DevicePolicyManagerService.java revision a10b057bb869ca7c99938053ca5fe60029555b3b
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.CODE_ACCOUNTS_NOT_EMPTY; 21import static android.app.admin.DevicePolicyManager.CODE_ADD_MANAGED_PROFILE_DISALLOWED; 22import static android.app.admin.DevicePolicyManager.CODE_CANNOT_ADD_MANAGED_PROFILE; 23import static android.app.admin.DevicePolicyManager.CODE_DEVICE_ADMIN_NOT_SUPPORTED; 24import static android.app.admin.DevicePolicyManager.CODE_HAS_DEVICE_OWNER; 25import static android.app.admin.DevicePolicyManager.CODE_HAS_PAIRED; 26import static android.app.admin.DevicePolicyManager.CODE_MANAGED_USERS_NOT_SUPPORTED; 27import static android.app.admin.DevicePolicyManager.CODE_NONSYSTEM_USER_EXISTS; 28import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER; 29import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER_SPLIT; 30import static android.app.admin.DevicePolicyManager.CODE_OK; 31import static android.app.admin.DevicePolicyManager.CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 32import static android.app.admin.DevicePolicyManager.CODE_SYSTEM_USER; 33import static android.app.admin.DevicePolicyManager.CODE_USER_HAS_PROFILE_OWNER; 34import static android.app.admin.DevicePolicyManager.CODE_USER_NOT_RUNNING; 35import static android.app.admin.DevicePolicyManager.CODE_USER_SETUP_COMPLETED; 36import static android.app.admin.DevicePolicyManager.DELEGATION_APP_RESTRICTIONS; 37import static android.app.admin.DevicePolicyManager.DELEGATION_BLOCK_UNINSTALL; 38import static android.app.admin.DevicePolicyManager.DELEGATION_CERT_INSTALL; 39import static android.app.admin.DevicePolicyManager.DELEGATION_ENABLE_SYSTEM_APP; 40import static android.app.admin.DevicePolicyManager.DELEGATION_KEEP_UNINSTALLED_PACKAGES; 41import static android.app.admin.DevicePolicyManager.DELEGATION_PACKAGE_ACCESS; 42import static android.app.admin.DevicePolicyManager.DELEGATION_PERMISSION_GRANT; 43import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 44import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 45import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 46import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 47 48import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_ENTRY_POINT_ADB; 49import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 50import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 51import static org.xmlpull.v1.XmlPullParser.END_TAG; 52import static org.xmlpull.v1.XmlPullParser.TEXT; 53 54import android.Manifest.permission; 55import android.accessibilityservice.AccessibilityServiceInfo; 56import android.accounts.Account; 57import android.accounts.AccountManager; 58import android.annotation.NonNull; 59import android.annotation.Nullable; 60import android.annotation.UserIdInt; 61import android.app.Activity; 62import android.app.ActivityManager; 63import android.app.ActivityManagerInternal; 64import android.app.AlarmManager; 65import android.app.AppGlobals; 66import android.app.IActivityManager; 67import android.app.IApplicationThread; 68import android.app.IServiceConnection; 69import android.app.Notification; 70import android.app.NotificationManager; 71import android.app.PendingIntent; 72import android.app.StatusBarManager; 73import android.app.admin.DeviceAdminInfo; 74import android.app.admin.DeviceAdminReceiver; 75import android.app.admin.DevicePolicyManager; 76import android.app.admin.DevicePolicyManagerInternal; 77import android.app.admin.IDevicePolicyManager; 78import android.app.admin.NetworkEvent; 79import android.app.admin.PasswordMetrics; 80import android.app.admin.SystemUpdateInfo; 81import android.app.admin.SecurityLog; 82import android.app.admin.SecurityLog.SecurityEvent; 83import android.app.admin.SystemUpdatePolicy; 84import android.app.backup.IBackupManager; 85import android.app.trust.TrustManager; 86import android.content.BroadcastReceiver; 87import android.content.ComponentName; 88import android.content.Context; 89import android.content.Intent; 90import android.content.IntentFilter; 91import android.content.pm.ActivityInfo; 92import android.content.pm.ApplicationInfo; 93import android.content.pm.IPackageManager; 94import android.content.pm.PackageInfo; 95import android.content.pm.PackageManager; 96import android.content.pm.PackageManager.NameNotFoundException; 97import android.content.pm.PackageManagerInternal; 98import android.content.pm.ParceledListSlice; 99import android.content.pm.ResolveInfo; 100import android.content.pm.ServiceInfo; 101import android.content.pm.UserInfo; 102import android.content.res.Resources; 103import android.database.ContentObserver; 104import android.graphics.Bitmap; 105import android.graphics.Color; 106import android.media.AudioManager; 107import android.media.IAudioService; 108import android.net.ConnectivityManager; 109import android.net.IIpConnectivityMetrics; 110import android.net.ProxyInfo; 111import android.net.Uri; 112import android.net.metrics.IpConnectivityLog; 113import android.net.wifi.WifiInfo; 114import android.net.wifi.WifiManager; 115import android.os.AsyncTask; 116import android.os.Binder; 117import android.os.Build; 118import android.os.Bundle; 119import android.os.Environment; 120import android.os.FileUtils; 121import android.os.Handler; 122import android.os.IBinder; 123import android.os.Looper; 124import android.os.ParcelFileDescriptor; 125import android.os.PersistableBundle; 126import android.os.PowerManager; 127import android.os.PowerManagerInternal; 128import android.os.Process; 129import android.os.RecoverySystem; 130import android.os.RemoteCallback; 131import android.os.RemoteException; 132import android.os.ServiceManager; 133import android.os.SystemClock; 134import android.os.SystemProperties; 135import android.os.UserHandle; 136import android.os.UserManager; 137import android.os.UserManagerInternal; 138import android.os.storage.StorageManager; 139import android.provider.ContactsContract.QuickContact; 140import android.provider.ContactsInternal; 141import android.provider.Settings; 142import android.security.Credentials; 143import android.security.IKeyChainAliasCallback; 144import android.security.IKeyChainService; 145import android.security.KeyChain; 146import android.security.KeyChain.KeyChainConnection; 147import android.service.persistentdata.PersistentDataBlockManager; 148import android.telephony.TelephonyManager; 149import android.text.TextUtils; 150import android.util.ArrayMap; 151import android.util.ArraySet; 152import android.util.Log; 153import android.util.Pair; 154import android.util.Slog; 155import android.util.SparseArray; 156import android.util.Xml; 157import android.view.IWindowManager; 158import android.view.accessibility.AccessibilityManager; 159import android.view.accessibility.IAccessibilityManager; 160import android.view.inputmethod.InputMethodInfo; 161import android.view.inputmethod.InputMethodManager; 162 163import com.android.internal.R; 164import com.android.internal.annotations.VisibleForTesting; 165import com.android.internal.logging.MetricsLogger; 166import com.android.internal.statusbar.IStatusBarService; 167import com.android.internal.util.FastXmlSerializer; 168import com.android.internal.util.JournaledFile; 169import com.android.internal.util.ParcelableString; 170import com.android.internal.util.Preconditions; 171import com.android.internal.util.XmlUtils; 172import com.android.internal.widget.LockPatternUtils; 173import com.android.server.LocalServices; 174import com.android.server.SystemService; 175import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 176import com.android.server.pm.UserRestrictionsUtils; 177import com.google.android.collect.Sets; 178 179import org.xmlpull.v1.XmlPullParser; 180import org.xmlpull.v1.XmlPullParserException; 181import org.xmlpull.v1.XmlSerializer; 182 183import java.io.ByteArrayInputStream; 184import java.io.File; 185import java.io.FileDescriptor; 186import java.io.FileInputStream; 187import java.io.FileNotFoundException; 188import java.io.FileOutputStream; 189import java.io.IOException; 190import java.io.PrintWriter; 191import java.nio.charset.StandardCharsets; 192import java.security.cert.CertificateException; 193import java.security.cert.CertificateFactory; 194import java.security.cert.X509Certificate; 195import java.text.DateFormat; 196import java.util.ArrayList; 197import java.util.Arrays; 198import java.util.Collection; 199import java.util.Collections; 200import java.util.Date; 201import java.util.List; 202import java.util.Map.Entry; 203import java.util.Set; 204import java.util.concurrent.TimeUnit; 205import java.util.concurrent.atomic.AtomicBoolean; 206 207/** 208 * Implementation of the device policy APIs. 209 */ 210public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 211 212 protected static final String LOG_TAG = "DevicePolicyManager"; 213 214 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 215 216 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 217 218 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 219 220 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 221 222 private static final String TAG_STATUS_BAR = "statusbar"; 223 224 private static final String ATTR_DISABLED = "disabled"; 225 226 private static final String ATTR_NAME = "name"; 227 228 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 229 "do-not-ask-credentials-on-boot"; 230 231 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 232 233 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 234 235 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 236 237 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 238 239 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 240 241 private static final String ATTR_ID = "id"; 242 243 private static final String ATTR_VALUE = "value"; 244 245 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 246 247 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 248 249 private static final long MS_PER_DAY = TimeUnit.DAYS.toMillis(1); 250 251 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 252 253 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 254 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 255 256 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 257 private static final int NETWORK_LOGGING_NOTIFICATION_ID = 1002; 258 259 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 260 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 261 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 262 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 263 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 264 "device-provisioning-config-applied"; 265 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 266 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 267 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 268 = "application-restrictions-manager"; 269 270 // Comprehensive list of delegations. 271 private static final String DELEGATIONS[] = { 272 DELEGATION_CERT_INSTALL, 273 DELEGATION_APP_RESTRICTIONS, 274 DELEGATION_BLOCK_UNINSTALL, 275 DELEGATION_ENABLE_SYSTEM_APP, 276 DELEGATION_KEEP_UNINSTALLED_PACKAGES, 277 DELEGATION_PACKAGE_ACCESS, 278 DELEGATION_PERMISSION_GRANT 279 }; 280 281 /** 282 * System property whose value is either "true" or "false", indicating whether 283 * device owner is present. 284 */ 285 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 286 287 private static final int STATUS_BAR_DISABLE_MASK = 288 StatusBarManager.DISABLE_EXPAND | 289 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 290 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 291 StatusBarManager.DISABLE_SEARCH; 292 293 private static final int STATUS_BAR_DISABLE2_MASK = 294 StatusBarManager.DISABLE2_QUICK_SETTINGS; 295 296 private static final Set<String> SECURE_SETTINGS_WHITELIST; 297 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 298 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 299 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 300 static { 301 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 302 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 303 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 304 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 305 306 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 307 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 308 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 309 310 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 311 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 312 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 313 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 314 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 315 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 316 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 317 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 318 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 319 320 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 321 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 322 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 323 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 324 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 325 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 326 } 327 328 /** 329 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 330 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 331 * instance. 332 */ 333 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 334 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 335 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 336 337 /** 338 * Keyguard features that when set on a profile affect the profile content or challenge only. 339 * These cannot be set on the managed profile's parent DPM instance 340 */ 341 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 342 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 343 344 /** Keyguard features that are allowed to be set on a managed profile */ 345 private static final int PROFILE_KEYGUARD_FEATURES = 346 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 347 348 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 349 350 /** 351 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 352 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 353 */ 354 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = TimeUnit.HOURS.toMillis(1); 355 356 /** 357 * Strings logged with {@link 358 * com.android.internal.logging.nano.MetricsProto.MetricsEvent#PROVISIONING_ENTRY_POINT_ADB}. 359 */ 360 private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; 361 private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; 362 363 final Context mContext; 364 final Injector mInjector; 365 final IPackageManager mIPackageManager; 366 final UserManager mUserManager; 367 final UserManagerInternal mUserManagerInternal; 368 final TelephonyManager mTelephonyManager; 369 private final LockPatternUtils mLockPatternUtils; 370 371 /** 372 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 373 * is requested for user u. 374 */ 375 private final Set<Pair<String, Integer>> mPackagesToRemove = 376 new ArraySet<Pair<String, Integer>>(); 377 378 final LocalService mLocalService; 379 380 // Stores and loads state on device and profile owners. 381 @VisibleForTesting 382 final Owners mOwners; 383 384 private final Binder mToken = new Binder(); 385 386 /** 387 * Whether or not device admin feature is supported. If it isn't return defaults for all 388 * public methods. 389 */ 390 boolean mHasFeature; 391 392 /** 393 * Whether or not this device is a watch. 394 */ 395 boolean mIsWatch; 396 397 private final SecurityLogMonitor mSecurityLogMonitor; 398 private NetworkLogger mNetworkLogger; 399 400 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 401 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 402 403 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 404 @Override 405 public void run() { 406 if(mRemoteBugreportServiceIsActive.get()) { 407 onBugreportFailed(); 408 } 409 } 410 }; 411 412 /** Listens only if mHasFeature == true. */ 413 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 414 415 @Override 416 public void onReceive(Context context, Intent intent) { 417 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 418 && mRemoteBugreportServiceIsActive.get()) { 419 onBugreportFinished(intent); 420 } 421 } 422 }; 423 424 /** Listens only if mHasFeature == true. */ 425 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 426 427 @Override 428 public void onReceive(Context context, Intent intent) { 429 String action = intent.getAction(); 430 mInjector.getNotificationManager().cancel(LOG_TAG, 431 RemoteBugreportUtils.NOTIFICATION_ID); 432 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 433 onBugreportSharingAccepted(); 434 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 435 onBugreportSharingDeclined(); 436 } 437 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 438 } 439 }; 440 441 public static final class Lifecycle extends SystemService { 442 private DevicePolicyManagerService mService; 443 444 public Lifecycle(Context context) { 445 super(context); 446 mService = new DevicePolicyManagerService(context); 447 } 448 449 @Override 450 public void onStart() { 451 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 452 } 453 454 @Override 455 public void onBootPhase(int phase) { 456 mService.systemReady(phase); 457 } 458 459 @Override 460 public void onStartUser(int userHandle) { 461 mService.onStartUser(userHandle); 462 } 463 } 464 465 public static class DevicePolicyData { 466 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 467 int mFailedPasswordAttempts = 0; 468 469 int mUserHandle; 470 int mPasswordOwner = -1; 471 long mLastMaximumTimeToLock = -1; 472 boolean mUserSetupComplete = false; 473 boolean mPaired = false; 474 int mUserProvisioningState; 475 int mPermissionPolicy; 476 477 boolean mDeviceProvisioningConfigApplied = false; 478 479 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 480 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 481 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 482 483 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 484 485 // This is the list of component allowed to start lock task mode. 486 List<String> mLockTaskPackages = new ArrayList<>(); 487 488 boolean mStatusBarDisabled = false; 489 490 ComponentName mRestrictionsProvider; 491 492 // Map of delegate package to delegation scopes 493 final ArrayMap<String, List<String>> mDelegationMap = new ArrayMap<>(); 494 495 boolean doNotAskCredentialsOnBoot = false; 496 497 Set<String> mAffiliationIds = new ArraySet<>(); 498 499 long mLastSecurityLogRetrievalTime = -1; 500 501 long mLastBugReportRequestTime = -1; 502 503 long mLastNetworkLogsRetrievalTime = -1; 504 505 // Used for initialization of users created by createAndManageUsers. 506 boolean mAdminBroadcastPending = false; 507 PersistableBundle mInitBundle = null; 508 509 public DevicePolicyData(int userHandle) { 510 mUserHandle = userHandle; 511 } 512 } 513 514 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 515 516 final Handler mHandler; 517 518 /** Listens on any device, even when mHasFeature == false. */ 519 final BroadcastReceiver mRootCaReceiver = new BroadcastReceiver() { 520 @Override 521 public void onReceive(Context context, Intent intent) { 522 if (StorageManager.inCryptKeeperBounce()) { 523 return; 524 } 525 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, getSendingUserId()); 526 new MonitoringCertNotificationTask(DevicePolicyManagerService.this, mInjector) 527 .execute(userHandle); 528 } 529 }; 530 531 /** Listens only if mHasFeature == true. */ 532 final BroadcastReceiver mReceiver = new BroadcastReceiver() { 533 @Override 534 public void onReceive(Context context, Intent intent) { 535 final String action = intent.getAction(); 536 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 537 getSendingUserId()); 538 539 /* 540 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 541 * however it's too early in the boot process to register with IIpConnectivityMetrics 542 * to listen for events. 543 */ 544 if (Intent.ACTION_USER_STARTED.equals(action) 545 && userHandle == mOwners.getDeviceOwnerUserId()) { 546 synchronized (DevicePolicyManagerService.this) { 547 if (isNetworkLoggingEnabledInternalLocked()) { 548 setNetworkLoggingActiveInternal(true); 549 } 550 } 551 } 552 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 553 && userHandle == mOwners.getDeviceOwnerUserId() 554 && getDeviceOwnerRemoteBugreportUri() != null) { 555 IntentFilter filterConsent = new IntentFilter(); 556 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 557 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 558 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 559 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 560 RemoteBugreportUtils.NOTIFICATION_ID, 561 RemoteBugreportUtils.buildNotification(mContext, 562 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 563 UserHandle.ALL); 564 } 565 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 566 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 567 if (VERBOSE_LOG) { 568 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 569 + action + " for user " + userHandle); 570 } 571 mHandler.post(new Runnable() { 572 @Override 573 public void run() { 574 handlePasswordExpirationNotification(userHandle); 575 } 576 }); 577 } 578 579 if (Intent.ACTION_USER_ADDED.equals(action)) { 580 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); 581 synchronized (DevicePolicyManagerService.this) { 582 // It might take a while for the user to become affiliated. Make security 583 // and network logging unavailable in the meantime. 584 maybePauseDeviceWideLoggingLocked(); 585 } 586 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 587 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); 588 synchronized (DevicePolicyManagerService.this) { 589 // Check whether the user is affiliated, *before* removing its data. 590 boolean isRemovedUserAffiliated = isUserAffiliatedWithDeviceLocked(userHandle); 591 removeUserData(userHandle); 592 if (!isRemovedUserAffiliated) { 593 // We discard the logs when unaffiliated users are deleted (so that the 594 // device owner cannot retrieve data about that user after it's gone). 595 discardDeviceWideLogsLocked(); 596 // Resume logging if all remaining users are affiliated. 597 maybeResumeDeviceWideLoggingLocked(); 598 } 599 } 600 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 601 synchronized (DevicePolicyManagerService.this) { 602 // Reset the policy data 603 mUserData.remove(userHandle); 604 sendAdminEnabledBroadcastLocked(userHandle); 605 } 606 handlePackagesChanged(null /* check all admins */, userHandle); 607 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 608 handlePackagesChanged(null /* check all admins */, userHandle); 609 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 610 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 611 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 612 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 613 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 614 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 615 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 616 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 617 clearWipeProfileNotification(); 618 } 619 } 620 621 private void sendUserAddedOrRemovedCommand(String action, int userHandle) { 622 synchronized (DevicePolicyManagerService.this) { 623 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 624 if (deviceOwner != null) { 625 Bundle extras = new Bundle(); 626 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 627 sendAdminCommandLocked(deviceOwner, action, extras, null); 628 } 629 } 630 } 631 }; 632 633 static class ActiveAdmin { 634 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 635 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 636 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 637 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 638 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 639 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 640 = "disable-bt-contacts-sharing"; 641 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 642 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 643 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 644 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 645 private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; 646 private static final String TAG_ACCOUNT_TYPE = "account-type"; 647 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 648 = "permitted-accessiblity-services"; 649 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 650 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 651 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 652 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 653 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 654 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 655 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 656 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 657 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 658 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 659 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 660 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 661 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 662 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 663 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 664 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 665 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 666 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 667 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 668 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 669 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 670 private static final String ATTR_VALUE = "value"; 671 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 672 private static final String TAG_POLICIES = "policies"; 673 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 674 "cross-profile-widget-providers"; 675 private static final String TAG_PROVIDER = "provider"; 676 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 677 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 678 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 679 private static final String TAG_DEFAULT_ENABLED_USER_RESTRICTIONS = 680 "default-enabled-user-restrictions"; 681 private static final String TAG_RESTRICTION = "restriction"; 682 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 683 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 684 private static final String TAG_PARENT_ADMIN = "parent-admin"; 685 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 686 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 687 private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification"; 688 private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications"; 689 690 final DeviceAdminInfo info; 691 692 693 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 694 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 695 696 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 697 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 698 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 699 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 700 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 701 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 702 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 703 @NonNull 704 PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( 705 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, 706 DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, 707 DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, 708 DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); 709 710 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 711 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 712 713 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 714 715 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 716 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 717 718 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 719 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 720 721 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 722 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 723 724 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 725 726 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 727 728 boolean encryptionRequested = false; 729 boolean testOnlyAdmin = false; 730 boolean disableCamera = false; 731 boolean disableCallerId = false; 732 boolean disableContactsSearch = false; 733 boolean disableBluetoothContactSharing = true; 734 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 735 boolean requireAutoTime = false; // Can only be set by a device owner. 736 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 737 boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. 738 739 // one notification after enabling + 3 more after reboots 740 static final int DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN = 4; 741 int numNetworkLoggingNotifications = 0; 742 long lastNetworkLoggingNotificationTimeMs = 0; // Time in milliseconds since epoch 743 744 ActiveAdmin parentAdmin; 745 final boolean isParent; 746 747 static class TrustAgentInfo { 748 public PersistableBundle options; 749 TrustAgentInfo(PersistableBundle bundle) { 750 options = bundle; 751 } 752 } 753 754 final Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 755 756 // The list of permitted accessibility services package namesas set by a profile 757 // or device owner. Null means all accessibility services are allowed, empty means 758 // none except system services are allowed. 759 List<String> permittedAccessiblityServices; 760 761 // The list of permitted input methods package names as set by a profile or device owner. 762 // Null means all input methods are allowed, empty means none except system imes are 763 // allowed. 764 List<String> permittedInputMethods; 765 766 // List of package names to keep cached. 767 List<String> keepUninstalledPackages; 768 769 // TODO: review implementation decisions with frameworks team 770 boolean specifiesGlobalProxy = false; 771 String globalProxySpec = null; 772 String globalProxyExclusionList = null; 773 774 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 775 776 List<String> crossProfileWidgetProviders; 777 778 Bundle userRestrictions; 779 780 // User restrictions that have already been enabled by default for this admin (either when 781 // setting the device or profile owner, or during a system update if one of those "enabled 782 // by default" restrictions is newly added). 783 final Set<String> defaultEnabledRestrictionsAlreadySet = new ArraySet<>(); 784 785 // Support text provided by the admin to display to the user. 786 CharSequence shortSupportMessage = null; 787 CharSequence longSupportMessage = null; 788 789 // Background color of confirm credentials screen. Default: teal. 790 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 791 int organizationColor = DEF_ORGANIZATION_COLOR; 792 793 // Default title of confirm credentials screen 794 String organizationName = null; 795 796 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 797 info = _info; 798 isParent = parent; 799 } 800 801 ActiveAdmin getParentActiveAdmin() { 802 Preconditions.checkState(!isParent); 803 804 if (parentAdmin == null) { 805 parentAdmin = new ActiveAdmin(info, /* parent */ true); 806 } 807 return parentAdmin; 808 } 809 810 boolean hasParentActiveAdmin() { 811 return parentAdmin != null; 812 } 813 814 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 815 816 public UserHandle getUserHandle() { 817 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 818 } 819 820 void writeToXml(XmlSerializer out) 821 throws IllegalArgumentException, IllegalStateException, IOException { 822 out.startTag(null, TAG_POLICIES); 823 info.writePoliciesToXml(out); 824 out.endTag(null, TAG_POLICIES); 825 if (minimumPasswordMetrics.quality 826 != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 827 out.startTag(null, TAG_PASSWORD_QUALITY); 828 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); 829 out.endTag(null, TAG_PASSWORD_QUALITY); 830 if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { 831 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 832 out.attribute( 833 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); 834 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 835 } 836 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 837 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 838 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 839 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 840 } 841 if (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 842 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 843 out.attribute( 844 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); 845 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 846 } 847 if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 848 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 849 out.attribute( 850 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); 851 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 852 } 853 if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { 854 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 855 out.attribute( 856 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); 857 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 858 } 859 if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 860 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 861 out.attribute( 862 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); 863 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 864 } 865 if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 866 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 867 out.attribute( 868 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); 869 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 870 } 871 if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 872 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 873 out.attribute( 874 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); 875 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 876 } 877 } 878 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 879 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 880 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 881 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 882 } 883 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 884 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 885 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 886 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 887 } 888 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 889 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 890 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 891 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 892 } 893 if (specifiesGlobalProxy) { 894 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 895 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 896 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 897 if (globalProxySpec != null) { 898 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 899 out.attribute(null, ATTR_VALUE, globalProxySpec); 900 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 901 } 902 if (globalProxyExclusionList != null) { 903 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 904 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 905 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 906 } 907 } 908 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 909 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 910 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 911 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 912 } 913 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 914 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 915 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 916 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 917 } 918 if (encryptionRequested) { 919 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 920 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 921 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 922 } 923 if (testOnlyAdmin) { 924 out.startTag(null, TAG_TEST_ONLY_ADMIN); 925 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 926 out.endTag(null, TAG_TEST_ONLY_ADMIN); 927 } 928 if (disableCamera) { 929 out.startTag(null, TAG_DISABLE_CAMERA); 930 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 931 out.endTag(null, TAG_DISABLE_CAMERA); 932 } 933 if (disableCallerId) { 934 out.startTag(null, TAG_DISABLE_CALLER_ID); 935 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 936 out.endTag(null, TAG_DISABLE_CALLER_ID); 937 } 938 if (disableContactsSearch) { 939 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 940 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 941 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 942 } 943 if (!disableBluetoothContactSharing) { 944 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 945 out.attribute(null, ATTR_VALUE, 946 Boolean.toString(disableBluetoothContactSharing)); 947 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 948 } 949 if (disableScreenCapture) { 950 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 951 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 952 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 953 } 954 if (requireAutoTime) { 955 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 956 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 957 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 958 } 959 if (forceEphemeralUsers) { 960 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 961 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 962 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 963 } 964 if (isNetworkLoggingEnabled) { 965 out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 966 out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); 967 out.attribute(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS, 968 Integer.toString(numNetworkLoggingNotifications)); 969 out.attribute(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION, 970 Long.toString(lastNetworkLoggingNotificationTimeMs)); 971 out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 972 } 973 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 974 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 975 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 976 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 977 } 978 if (!accountTypesWithManagementDisabled.isEmpty()) { 979 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 980 writeAttributeValuesToXml( 981 out, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 982 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 983 } 984 if (!trustAgentInfos.isEmpty()) { 985 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 986 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 987 for (Entry<String, TrustAgentInfo> entry : set) { 988 TrustAgentInfo trustAgentInfo = entry.getValue(); 989 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 990 out.attribute(null, ATTR_VALUE, entry.getKey()); 991 if (trustAgentInfo.options != null) { 992 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 993 try { 994 trustAgentInfo.options.saveToXml(out); 995 } catch (XmlPullParserException e) { 996 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 997 } 998 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 999 } 1000 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 1001 } 1002 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 1003 } 1004 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 1005 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 1006 writeAttributeValuesToXml(out, TAG_PROVIDER, crossProfileWidgetProviders); 1007 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 1008 } 1009 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 1010 permittedAccessiblityServices); 1011 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 1012 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 1013 if (hasUserRestrictions()) { 1014 UserRestrictionsUtils.writeRestrictions( 1015 out, userRestrictions, TAG_USER_RESTRICTIONS); 1016 } 1017 if (!defaultEnabledRestrictionsAlreadySet.isEmpty()) { 1018 out.startTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1019 writeAttributeValuesToXml( 1020 out, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1021 out.endTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1022 } 1023 if (!TextUtils.isEmpty(shortSupportMessage)) { 1024 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1025 out.text(shortSupportMessage.toString()); 1026 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1027 } 1028 if (!TextUtils.isEmpty(longSupportMessage)) { 1029 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 1030 out.text(longSupportMessage.toString()); 1031 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 1032 } 1033 if (parentAdmin != null) { 1034 out.startTag(null, TAG_PARENT_ADMIN); 1035 parentAdmin.writeToXml(out); 1036 out.endTag(null, TAG_PARENT_ADMIN); 1037 } 1038 if (organizationColor != DEF_ORGANIZATION_COLOR) { 1039 out.startTag(null, TAG_ORGANIZATION_COLOR); 1040 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 1041 out.endTag(null, TAG_ORGANIZATION_COLOR); 1042 } 1043 if (organizationName != null) { 1044 out.startTag(null, TAG_ORGANIZATION_NAME); 1045 out.text(organizationName); 1046 out.endTag(null, TAG_ORGANIZATION_NAME); 1047 } 1048 } 1049 1050 void writePackageListToXml(XmlSerializer out, String outerTag, 1051 List<String> packageList) 1052 throws IllegalArgumentException, IllegalStateException, IOException { 1053 if (packageList == null) { 1054 return; 1055 } 1056 1057 out.startTag(null, outerTag); 1058 writeAttributeValuesToXml(out, TAG_PACKAGE_LIST_ITEM, packageList); 1059 out.endTag(null, outerTag); 1060 } 1061 1062 void writeAttributeValuesToXml(XmlSerializer out, String tag, 1063 @NonNull Collection<String> values) throws IOException { 1064 for (String value : values) { 1065 out.startTag(null, tag); 1066 out.attribute(null, ATTR_VALUE, value); 1067 out.endTag(null, tag); 1068 } 1069 } 1070 1071 void readFromXml(XmlPullParser parser) 1072 throws XmlPullParserException, IOException { 1073 int outerDepth = parser.getDepth(); 1074 int type; 1075 while ((type=parser.next()) != END_DOCUMENT 1076 && (type != END_TAG || parser.getDepth() > outerDepth)) { 1077 if (type == END_TAG || type == TEXT) { 1078 continue; 1079 } 1080 String tag = parser.getName(); 1081 if (TAG_POLICIES.equals(tag)) { 1082 info.readPoliciesFromXml(parser); 1083 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 1084 minimumPasswordMetrics.quality = Integer.parseInt( 1085 parser.getAttributeValue(null, ATTR_VALUE)); 1086 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 1087 minimumPasswordMetrics.length = Integer.parseInt( 1088 parser.getAttributeValue(null, ATTR_VALUE)); 1089 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 1090 passwordHistoryLength = Integer.parseInt( 1091 parser.getAttributeValue(null, ATTR_VALUE)); 1092 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 1093 minimumPasswordMetrics.upperCase = Integer.parseInt( 1094 parser.getAttributeValue(null, ATTR_VALUE)); 1095 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 1096 minimumPasswordMetrics.lowerCase = Integer.parseInt( 1097 parser.getAttributeValue(null, ATTR_VALUE)); 1098 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 1099 minimumPasswordMetrics.letters = Integer.parseInt( 1100 parser.getAttributeValue(null, ATTR_VALUE)); 1101 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 1102 minimumPasswordMetrics.numeric = Integer.parseInt( 1103 parser.getAttributeValue(null, ATTR_VALUE)); 1104 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 1105 minimumPasswordMetrics.symbols = Integer.parseInt( 1106 parser.getAttributeValue(null, ATTR_VALUE)); 1107 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 1108 minimumPasswordMetrics.nonLetter = Integer.parseInt( 1109 parser.getAttributeValue(null, ATTR_VALUE)); 1110 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 1111 maximumTimeToUnlock = Long.parseLong( 1112 parser.getAttributeValue(null, ATTR_VALUE)); 1113 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 1114 strongAuthUnlockTimeout = Long.parseLong( 1115 parser.getAttributeValue(null, ATTR_VALUE)); 1116 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 1117 maximumFailedPasswordsForWipe = Integer.parseInt( 1118 parser.getAttributeValue(null, ATTR_VALUE)); 1119 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 1120 specifiesGlobalProxy = Boolean.parseBoolean( 1121 parser.getAttributeValue(null, ATTR_VALUE)); 1122 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1123 globalProxySpec = 1124 parser.getAttributeValue(null, ATTR_VALUE); 1125 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1126 globalProxyExclusionList = 1127 parser.getAttributeValue(null, ATTR_VALUE); 1128 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1129 passwordExpirationTimeout = Long.parseLong( 1130 parser.getAttributeValue(null, ATTR_VALUE)); 1131 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1132 passwordExpirationDate = Long.parseLong( 1133 parser.getAttributeValue(null, ATTR_VALUE)); 1134 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1135 encryptionRequested = Boolean.parseBoolean( 1136 parser.getAttributeValue(null, ATTR_VALUE)); 1137 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1138 testOnlyAdmin = Boolean.parseBoolean( 1139 parser.getAttributeValue(null, ATTR_VALUE)); 1140 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1141 disableCamera = Boolean.parseBoolean( 1142 parser.getAttributeValue(null, ATTR_VALUE)); 1143 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1144 disableCallerId = Boolean.parseBoolean( 1145 parser.getAttributeValue(null, ATTR_VALUE)); 1146 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1147 disableContactsSearch = Boolean.parseBoolean( 1148 parser.getAttributeValue(null, ATTR_VALUE)); 1149 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1150 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1151 .getAttributeValue(null, ATTR_VALUE)); 1152 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1153 disableScreenCapture = Boolean.parseBoolean( 1154 parser.getAttributeValue(null, ATTR_VALUE)); 1155 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1156 requireAutoTime = Boolean.parseBoolean( 1157 parser.getAttributeValue(null, ATTR_VALUE)); 1158 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1159 forceEphemeralUsers = Boolean.parseBoolean( 1160 parser.getAttributeValue(null, ATTR_VALUE)); 1161 } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { 1162 isNetworkLoggingEnabled = Boolean.parseBoolean( 1163 parser.getAttributeValue(null, ATTR_VALUE)); 1164 lastNetworkLoggingNotificationTimeMs = Long.parseLong( 1165 parser.getAttributeValue(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION)); 1166 numNetworkLoggingNotifications = Integer.parseInt( 1167 parser.getAttributeValue(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS)); 1168 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1169 disabledKeyguardFeatures = Integer.parseInt( 1170 parser.getAttributeValue(null, ATTR_VALUE)); 1171 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1172 readAttributeValues( 1173 parser, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1174 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1175 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1176 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1177 crossProfileWidgetProviders = new ArrayList<>(); 1178 readAttributeValues(parser, TAG_PROVIDER, crossProfileWidgetProviders); 1179 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1180 permittedAccessiblityServices = readPackageList(parser, tag); 1181 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1182 permittedInputMethods = readPackageList(parser, tag); 1183 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1184 keepUninstalledPackages = readPackageList(parser, tag); 1185 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1186 userRestrictions = UserRestrictionsUtils.readRestrictions(parser); 1187 } else if (TAG_DEFAULT_ENABLED_USER_RESTRICTIONS.equals(tag)) { 1188 readAttributeValues( 1189 parser, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1190 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1191 type = parser.next(); 1192 if (type == XmlPullParser.TEXT) { 1193 shortSupportMessage = parser.getText(); 1194 } else { 1195 Log.w(LOG_TAG, "Missing text when loading short support message"); 1196 } 1197 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1198 type = parser.next(); 1199 if (type == XmlPullParser.TEXT) { 1200 longSupportMessage = parser.getText(); 1201 } else { 1202 Log.w(LOG_TAG, "Missing text when loading long support message"); 1203 } 1204 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1205 Preconditions.checkState(!isParent); 1206 1207 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1208 parentAdmin.readFromXml(parser); 1209 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1210 organizationColor = Integer.parseInt( 1211 parser.getAttributeValue(null, ATTR_VALUE)); 1212 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1213 type = parser.next(); 1214 if (type == XmlPullParser.TEXT) { 1215 organizationName = parser.getText(); 1216 } else { 1217 Log.w(LOG_TAG, "Missing text when loading organization name"); 1218 } 1219 } else { 1220 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1221 XmlUtils.skipCurrentTag(parser); 1222 } 1223 } 1224 } 1225 1226 private List<String> readPackageList(XmlPullParser parser, 1227 String tag) throws XmlPullParserException, IOException { 1228 List<String> result = new ArrayList<String>(); 1229 int outerDepth = parser.getDepth(); 1230 int outerType; 1231 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1232 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1233 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1234 continue; 1235 } 1236 String outerTag = parser.getName(); 1237 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1238 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1239 if (packageName != null) { 1240 result.add(packageName); 1241 } else { 1242 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1243 } 1244 } else { 1245 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1246 } 1247 } 1248 return result; 1249 } 1250 1251 private void readAttributeValues( 1252 XmlPullParser parser, String tag, Collection<String> result) 1253 throws XmlPullParserException, IOException { 1254 result.clear(); 1255 int outerDepthDAM = parser.getDepth(); 1256 int typeDAM; 1257 while ((typeDAM=parser.next()) != END_DOCUMENT 1258 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1259 if (typeDAM == END_TAG || typeDAM == TEXT) { 1260 continue; 1261 } 1262 String tagDAM = parser.getName(); 1263 if (tag.equals(tagDAM)) { 1264 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1265 } else { 1266 Slog.e(LOG_TAG, "Expected tag " + tag + " but found " + tagDAM); 1267 } 1268 } 1269 } 1270 1271 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1272 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1273 int outerDepthDAM = parser.getDepth(); 1274 int typeDAM; 1275 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1276 while ((typeDAM=parser.next()) != END_DOCUMENT 1277 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1278 if (typeDAM == END_TAG || typeDAM == TEXT) { 1279 continue; 1280 } 1281 String tagDAM = parser.getName(); 1282 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1283 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1284 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1285 result.put(component, trustAgentInfo); 1286 } else { 1287 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1288 } 1289 } 1290 return result; 1291 } 1292 1293 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1294 throws XmlPullParserException, IOException { 1295 int outerDepthDAM = parser.getDepth(); 1296 int typeDAM; 1297 TrustAgentInfo result = new TrustAgentInfo(null); 1298 while ((typeDAM=parser.next()) != END_DOCUMENT 1299 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1300 if (typeDAM == END_TAG || typeDAM == TEXT) { 1301 continue; 1302 } 1303 String tagDAM = parser.getName(); 1304 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1305 result.options = PersistableBundle.restoreFromXml(parser); 1306 } else { 1307 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1308 } 1309 } 1310 return result; 1311 } 1312 1313 boolean hasUserRestrictions() { 1314 return userRestrictions != null && userRestrictions.size() > 0; 1315 } 1316 1317 Bundle ensureUserRestrictions() { 1318 if (userRestrictions == null) { 1319 userRestrictions = new Bundle(); 1320 } 1321 return userRestrictions; 1322 } 1323 1324 void dump(String prefix, PrintWriter pw) { 1325 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1326 pw.print(prefix); pw.print("testOnlyAdmin="); 1327 pw.println(testOnlyAdmin); 1328 pw.print(prefix); pw.println("policies:"); 1329 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1330 if (pols != null) { 1331 for (int i=0; i<pols.size(); i++) { 1332 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1333 } 1334 } 1335 pw.print(prefix); pw.print("passwordQuality=0x"); 1336 pw.println(Integer.toHexString(minimumPasswordMetrics.quality)); 1337 pw.print(prefix); pw.print("minimumPasswordLength="); 1338 pw.println(minimumPasswordMetrics.length); 1339 pw.print(prefix); pw.print("passwordHistoryLength="); 1340 pw.println(passwordHistoryLength); 1341 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1342 pw.println(minimumPasswordMetrics.upperCase); 1343 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1344 pw.println(minimumPasswordMetrics.lowerCase); 1345 pw.print(prefix); pw.print("minimumPasswordLetters="); 1346 pw.println(minimumPasswordMetrics.letters); 1347 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1348 pw.println(minimumPasswordMetrics.numeric); 1349 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1350 pw.println(minimumPasswordMetrics.symbols); 1351 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1352 pw.println(minimumPasswordMetrics.nonLetter); 1353 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1354 pw.println(maximumTimeToUnlock); 1355 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1356 pw.println(strongAuthUnlockTimeout); 1357 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1358 pw.println(maximumFailedPasswordsForWipe); 1359 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1360 pw.println(specifiesGlobalProxy); 1361 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1362 pw.println(passwordExpirationTimeout); 1363 pw.print(prefix); pw.print("passwordExpirationDate="); 1364 pw.println(passwordExpirationDate); 1365 if (globalProxySpec != null) { 1366 pw.print(prefix); pw.print("globalProxySpec="); 1367 pw.println(globalProxySpec); 1368 } 1369 if (globalProxyExclusionList != null) { 1370 pw.print(prefix); pw.print("globalProxyEclusionList="); 1371 pw.println(globalProxyExclusionList); 1372 } 1373 pw.print(prefix); pw.print("encryptionRequested="); 1374 pw.println(encryptionRequested); 1375 pw.print(prefix); pw.print("disableCamera="); 1376 pw.println(disableCamera); 1377 pw.print(prefix); pw.print("disableCallerId="); 1378 pw.println(disableCallerId); 1379 pw.print(prefix); pw.print("disableContactsSearch="); 1380 pw.println(disableContactsSearch); 1381 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1382 pw.println(disableBluetoothContactSharing); 1383 pw.print(prefix); pw.print("disableScreenCapture="); 1384 pw.println(disableScreenCapture); 1385 pw.print(prefix); pw.print("requireAutoTime="); 1386 pw.println(requireAutoTime); 1387 pw.print(prefix); pw.print("forceEphemeralUsers="); 1388 pw.println(forceEphemeralUsers); 1389 pw.print(prefix); pw.print("isNetworkLoggingEnabled="); 1390 pw.println(isNetworkLoggingEnabled); 1391 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1392 pw.println(disabledKeyguardFeatures); 1393 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1394 pw.println(crossProfileWidgetProviders); 1395 if (permittedAccessiblityServices != null) { 1396 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1397 pw.println(permittedAccessiblityServices); 1398 } 1399 if (permittedInputMethods != null) { 1400 pw.print(prefix); pw.print("permittedInputMethods="); 1401 pw.println(permittedInputMethods); 1402 } 1403 if (keepUninstalledPackages != null) { 1404 pw.print(prefix); pw.print("keepUninstalledPackages="); 1405 pw.println(keepUninstalledPackages); 1406 } 1407 pw.print(prefix); pw.print("organizationColor="); 1408 pw.println(organizationColor); 1409 if (organizationName != null) { 1410 pw.print(prefix); pw.print("organizationName="); 1411 pw.println(organizationName); 1412 } 1413 pw.print(prefix); pw.println("userRestrictions:"); 1414 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1415 pw.print(prefix); pw.print("defaultEnabledRestrictionsAlreadySet="); 1416 pw.println(defaultEnabledRestrictionsAlreadySet); 1417 pw.print(prefix); pw.print("isParent="); 1418 pw.println(isParent); 1419 if (parentAdmin != null) { 1420 pw.print(prefix); pw.println("parentAdmin:"); 1421 parentAdmin.dump(prefix + " ", pw); 1422 } 1423 } 1424 } 1425 1426 private void handlePackagesChanged(String packageName, int userHandle) { 1427 boolean removedAdmin = false; 1428 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1429 DevicePolicyData policy = getUserData(userHandle); 1430 synchronized (this) { 1431 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1432 ActiveAdmin aa = policy.mAdminList.get(i); 1433 try { 1434 // If we're checking all packages or if the specific one we're checking matches, 1435 // then check if the package and receiver still exist. 1436 final String adminPackage = aa.info.getPackageName(); 1437 if (packageName == null || packageName.equals(adminPackage)) { 1438 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1439 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1440 PackageManager.MATCH_DIRECT_BOOT_AWARE 1441 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1442 userHandle) == null) { 1443 removedAdmin = true; 1444 policy.mAdminList.remove(i); 1445 policy.mAdminMap.remove(aa.info.getComponent()); 1446 } 1447 } 1448 } catch (RemoteException re) { 1449 // Shouldn't happen. 1450 } 1451 } 1452 if (removedAdmin) { 1453 validatePasswordOwnerLocked(policy); 1454 } 1455 1456 boolean removedDelegate = false; 1457 1458 // Check if a delegate was removed. 1459 for (int i = policy.mDelegationMap.size() - 1; i >= 0; i--) { 1460 final String delegatePackage = policy.mDelegationMap.keyAt(i); 1461 if (isRemovedPackage(packageName, delegatePackage, userHandle)) { 1462 policy.mDelegationMap.removeAt(i); 1463 removedDelegate = true; 1464 } 1465 } 1466 1467 // Persist updates if the removed package was an admin or delegate. 1468 if (removedAdmin || removedDelegate) { 1469 saveSettingsLocked(policy.mUserHandle); 1470 } 1471 } 1472 if (removedAdmin) { 1473 // The removed admin might have disabled camera, so update user restrictions. 1474 pushUserRestrictions(userHandle); 1475 } 1476 } 1477 1478 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1479 try { 1480 return targetPackage != null 1481 && (changedPackage == null || changedPackage.equals(targetPackage)) 1482 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1483 } catch (RemoteException e) { 1484 // Shouldn't happen 1485 } 1486 1487 return false; 1488 } 1489 1490 /** 1491 * Unit test will subclass it to inject mocks. 1492 */ 1493 @VisibleForTesting 1494 static class Injector { 1495 1496 private final Context mContext; 1497 1498 Injector(Context context) { 1499 mContext = context; 1500 } 1501 1502 Context createContextAsUser(UserHandle user) throws PackageManager.NameNotFoundException { 1503 final String packageName = mContext.getPackageName(); 1504 return mContext.createPackageContextAsUser(packageName, 0, user); 1505 } 1506 1507 Resources getResources() { 1508 return mContext.getResources(); 1509 } 1510 1511 Owners newOwners() { 1512 return new Owners(getUserManager(), getUserManagerInternal(), 1513 getPackageManagerInternal()); 1514 } 1515 1516 UserManager getUserManager() { 1517 return UserManager.get(mContext); 1518 } 1519 1520 UserManagerInternal getUserManagerInternal() { 1521 return LocalServices.getService(UserManagerInternal.class); 1522 } 1523 1524 PackageManagerInternal getPackageManagerInternal() { 1525 return LocalServices.getService(PackageManagerInternal.class); 1526 } 1527 1528 NotificationManager getNotificationManager() { 1529 return mContext.getSystemService(NotificationManager.class); 1530 } 1531 1532 IIpConnectivityMetrics getIIpConnectivityMetrics() { 1533 return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( 1534 ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); 1535 } 1536 1537 PackageManager getPackageManager() { 1538 return mContext.getPackageManager(); 1539 } 1540 1541 PowerManagerInternal getPowerManagerInternal() { 1542 return LocalServices.getService(PowerManagerInternal.class); 1543 } 1544 1545 TelephonyManager getTelephonyManager() { 1546 return TelephonyManager.from(mContext); 1547 } 1548 1549 TrustManager getTrustManager() { 1550 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1551 } 1552 1553 AlarmManager getAlarmManager() { 1554 return (AlarmManager) mContext.getSystemService(AlarmManager.class); 1555 } 1556 1557 IWindowManager getIWindowManager() { 1558 return IWindowManager.Stub 1559 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1560 } 1561 1562 IActivityManager getIActivityManager() { 1563 return ActivityManager.getService(); 1564 } 1565 1566 IPackageManager getIPackageManager() { 1567 return AppGlobals.getPackageManager(); 1568 } 1569 1570 IBackupManager getIBackupManager() { 1571 return IBackupManager.Stub.asInterface( 1572 ServiceManager.getService(Context.BACKUP_SERVICE)); 1573 } 1574 1575 IAudioService getIAudioService() { 1576 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1577 } 1578 1579 boolean isBuildDebuggable() { 1580 return Build.IS_DEBUGGABLE; 1581 } 1582 1583 LockPatternUtils newLockPatternUtils() { 1584 return new LockPatternUtils(mContext); 1585 } 1586 1587 boolean storageManagerIsFileBasedEncryptionEnabled() { 1588 return StorageManager.isFileEncryptedNativeOnly(); 1589 } 1590 1591 boolean storageManagerIsNonDefaultBlockEncrypted() { 1592 long identity = Binder.clearCallingIdentity(); 1593 try { 1594 return StorageManager.isNonDefaultBlockEncrypted(); 1595 } finally { 1596 Binder.restoreCallingIdentity(identity); 1597 } 1598 } 1599 1600 boolean storageManagerIsEncrypted() { 1601 return StorageManager.isEncrypted(); 1602 } 1603 1604 boolean storageManagerIsEncryptable() { 1605 return StorageManager.isEncryptable(); 1606 } 1607 1608 Looper getMyLooper() { 1609 return Looper.myLooper(); 1610 } 1611 1612 WifiManager getWifiManager() { 1613 return mContext.getSystemService(WifiManager.class); 1614 } 1615 1616 long binderClearCallingIdentity() { 1617 return Binder.clearCallingIdentity(); 1618 } 1619 1620 void binderRestoreCallingIdentity(long token) { 1621 Binder.restoreCallingIdentity(token); 1622 } 1623 1624 int binderGetCallingUid() { 1625 return Binder.getCallingUid(); 1626 } 1627 1628 int binderGetCallingPid() { 1629 return Binder.getCallingPid(); 1630 } 1631 1632 UserHandle binderGetCallingUserHandle() { 1633 return Binder.getCallingUserHandle(); 1634 } 1635 1636 boolean binderIsCallingUidMyUid() { 1637 return getCallingUid() == Process.myUid(); 1638 } 1639 1640 final int userHandleGetCallingUserId() { 1641 return UserHandle.getUserId(binderGetCallingUid()); 1642 } 1643 1644 File environmentGetUserSystemDirectory(int userId) { 1645 return Environment.getUserSystemDirectory(userId); 1646 } 1647 1648 void powerManagerGoToSleep(long time, int reason, int flags) { 1649 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1650 } 1651 1652 void powerManagerReboot(String reason) { 1653 mContext.getSystemService(PowerManager.class).reboot(reason); 1654 } 1655 1656 void recoverySystemRebootWipeUserData(boolean shutdown, String reason, boolean force) 1657 throws IOException { 1658 RecoverySystem.rebootWipeUserData(mContext, shutdown, reason, force); 1659 } 1660 1661 boolean systemPropertiesGetBoolean(String key, boolean def) { 1662 return SystemProperties.getBoolean(key, def); 1663 } 1664 1665 long systemPropertiesGetLong(String key, long def) { 1666 return SystemProperties.getLong(key, def); 1667 } 1668 1669 String systemPropertiesGet(String key, String def) { 1670 return SystemProperties.get(key, def); 1671 } 1672 1673 String systemPropertiesGet(String key) { 1674 return SystemProperties.get(key); 1675 } 1676 1677 void systemPropertiesSet(String key, String value) { 1678 SystemProperties.set(key, value); 1679 } 1680 1681 boolean userManagerIsSplitSystemUser() { 1682 return UserManager.isSplitSystemUser(); 1683 } 1684 1685 String getDevicePolicyFilePathForSystemUser() { 1686 return "/data/system/"; 1687 } 1688 1689 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1690 ContentObserver observer, int userHandle) { 1691 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1692 observer, userHandle); 1693 } 1694 1695 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1696 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1697 name, def, userHandle); 1698 } 1699 1700 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1701 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1702 name, value, userHandle); 1703 } 1704 1705 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1706 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1707 name, value, userHandle); 1708 } 1709 1710 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1711 Settings.Global.putStringForUser(mContext.getContentResolver(), 1712 name, value, userHandle); 1713 } 1714 1715 void settingsSecurePutInt(String name, int value) { 1716 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1717 } 1718 1719 int settingsGlobalGetInt(String name, int def) { 1720 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1721 } 1722 1723 void settingsGlobalPutInt(String name, int value) { 1724 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1725 } 1726 1727 void settingsSecurePutString(String name, String value) { 1728 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1729 } 1730 1731 void settingsGlobalPutString(String name, String value) { 1732 Settings.Global.putString(mContext.getContentResolver(), name, value); 1733 } 1734 1735 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1736 SecurityLog.setLoggingEnabledProperty(enabled); 1737 } 1738 1739 boolean securityLogGetLoggingEnabledProperty() { 1740 return SecurityLog.getLoggingEnabledProperty(); 1741 } 1742 1743 boolean securityLogIsLoggingEnabled() { 1744 return SecurityLog.isLoggingEnabled(); 1745 } 1746 1747 KeyChainConnection keyChainBindAsUser(UserHandle user) throws InterruptedException { 1748 return KeyChain.bindAsUser(mContext, user); 1749 } 1750 } 1751 1752 /** 1753 * Instantiates the service. 1754 */ 1755 public DevicePolicyManagerService(Context context) { 1756 this(new Injector(context)); 1757 } 1758 1759 @VisibleForTesting 1760 DevicePolicyManagerService(Injector injector) { 1761 mInjector = injector; 1762 mContext = Preconditions.checkNotNull(injector.mContext); 1763 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1764 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1765 1766 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1767 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1768 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1769 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1770 1771 mLocalService = new LocalService(); 1772 mLockPatternUtils = injector.newLockPatternUtils(); 1773 1774 mSecurityLogMonitor = new SecurityLogMonitor(this); 1775 1776 mHasFeature = mInjector.getPackageManager() 1777 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1778 mIsWatch = mInjector.getPackageManager() 1779 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1780 1781 // Broadcast filter for changes to the trusted certificate store. These changes get a 1782 // separate intent filter so we can listen to them even when device_admin is off. 1783 IntentFilter filter = new IntentFilter(); 1784 filter.addAction(Intent.ACTION_USER_STARTED); 1785 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1786 filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); 1787 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1788 mContext.registerReceiverAsUser(mRootCaReceiver, UserHandle.ALL, filter, null, mHandler); 1789 1790 if (!mHasFeature) { 1791 // Skip the rest of the initialization 1792 return; 1793 } 1794 1795 filter = new IntentFilter(); 1796 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1797 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1798 filter.addAction(Intent.ACTION_USER_ADDED); 1799 filter.addAction(Intent.ACTION_USER_REMOVED); 1800 filter.addAction(Intent.ACTION_USER_STARTED); 1801 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1802 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1803 filter = new IntentFilter(); 1804 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1805 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1806 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1807 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1808 filter.addDataScheme("package"); 1809 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1810 filter = new IntentFilter(); 1811 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1812 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1813 1814 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1815 } 1816 1817 /** 1818 * Creates and loads the policy data from xml. 1819 * @param userHandle the user for whom to load the policy data 1820 * @return 1821 */ 1822 @NonNull 1823 DevicePolicyData getUserData(int userHandle) { 1824 synchronized (this) { 1825 DevicePolicyData policy = mUserData.get(userHandle); 1826 if (policy == null) { 1827 policy = new DevicePolicyData(userHandle); 1828 mUserData.append(userHandle, policy); 1829 loadSettingsLocked(policy, userHandle); 1830 } 1831 return policy; 1832 } 1833 } 1834 1835 /** 1836 * Creates and loads the policy data from xml for data that is shared between 1837 * various profiles of a user. In contrast to {@link #getUserData(int)} 1838 * it allows access to data of users other than the calling user. 1839 * 1840 * This function should only be used for shared data, e.g. everything regarding 1841 * passwords and should be removed once multiple screen locks are present. 1842 * @param userHandle the user for whom to load the policy data 1843 * @return 1844 */ 1845 DevicePolicyData getUserDataUnchecked(int userHandle) { 1846 long ident = mInjector.binderClearCallingIdentity(); 1847 try { 1848 return getUserData(userHandle); 1849 } finally { 1850 mInjector.binderRestoreCallingIdentity(ident); 1851 } 1852 } 1853 1854 void removeUserData(int userHandle) { 1855 synchronized (this) { 1856 if (userHandle == UserHandle.USER_SYSTEM) { 1857 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1858 return; 1859 } 1860 mOwners.removeProfileOwner(userHandle); 1861 mOwners.writeProfileOwner(userHandle); 1862 1863 DevicePolicyData policy = mUserData.get(userHandle); 1864 if (policy != null) { 1865 mUserData.remove(userHandle); 1866 } 1867 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1868 DEVICE_POLICIES_XML); 1869 policyFile.delete(); 1870 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1871 } 1872 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1873 } 1874 1875 void loadOwners() { 1876 synchronized (this) { 1877 mOwners.load(); 1878 setDeviceOwnerSystemPropertyLocked(); 1879 findOwnerComponentIfNecessaryLocked(); 1880 migrateUserRestrictionsIfNecessaryLocked(); 1881 setDefaultEnabledUserRestrictionsIfNecessaryLocked(); 1882 1883 // TODO PO may not have a class name either due to b/17652534. Address that too. 1884 1885 updateDeviceOwnerLocked(); 1886 } 1887 } 1888 1889 private void setDefaultEnabledUserRestrictionsIfNecessaryLocked() { 1890 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 1891 if (deviceOwner != null 1892 && !UserRestrictionsUtils.getDefaultEnabledForDeviceOwner().equals( 1893 deviceOwner.defaultEnabledRestrictionsAlreadySet)) { 1894 Slog.i(LOG_TAG,"New user restrictions need to be set by default for the device owner"); 1895 1896 if (VERBOSE_LOG) { 1897 Slog.d(LOG_TAG,"Default enabled restrictions for DO: " 1898 + UserRestrictionsUtils.getDefaultEnabledForDeviceOwner() 1899 + ". Restrictions already enabled: " 1900 + deviceOwner.defaultEnabledRestrictionsAlreadySet); 1901 } 1902 1903 Set<String> restrictionsToSet = new ArraySet<>( 1904 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); 1905 restrictionsToSet.removeAll(deviceOwner.defaultEnabledRestrictionsAlreadySet); 1906 if (!restrictionsToSet.isEmpty()) { 1907 for (String restriction : restrictionsToSet) { 1908 deviceOwner.ensureUserRestrictions().putBoolean(restriction, true); 1909 } 1910 deviceOwner.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); 1911 Slog.i(LOG_TAG, 1912 "Enabled the following restrictions by default: " + restrictionsToSet); 1913 1914 saveUserRestrictionsLocked(mOwners.getDeviceOwnerUserId()); 1915 } 1916 } 1917 } 1918 1919 private void setDeviceOwnerSystemPropertyLocked() { 1920 final boolean deviceProvisioned = 1921 mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) != 0; 1922 // If the device is not provisioned and there is currently no device owner, do not set the 1923 // read-only system property yet, since Device owner may still be provisioned. For Wear 1924 // devices, if there is already a device owner then it's OK to set the property to true now, 1925 // regardless the provision state. 1926 final boolean isWatchWithDeviceOwner = mIsWatch && mOwners.hasDeviceOwner(); 1927 if (!isWatchWithDeviceOwner && !deviceProvisioned) { 1928 return; 1929 } 1930 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1931 // always false at this point. 1932 if (StorageManager.inCryptKeeperBounce()) { 1933 return; 1934 } 1935 1936 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1937 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1938 } else { 1939 if (mOwners.hasDeviceOwner()) { 1940 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1941 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1942 1943 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1944 mSecurityLogMonitor.start(); 1945 maybePauseDeviceWideLoggingLocked(); 1946 } 1947 } else { 1948 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1949 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1950 } 1951 } 1952 } 1953 1954 private void findOwnerComponentIfNecessaryLocked() { 1955 if (!mOwners.hasDeviceOwner()) { 1956 return; 1957 } 1958 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1959 1960 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1961 return; // Already a full component name. 1962 } 1963 1964 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1965 doComponentName.getPackageName(), 1966 mOwners.getDeviceOwnerUserId()); 1967 if (doComponent == null) { 1968 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1969 } else { 1970 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1971 doComponent, 1972 mOwners.getDeviceOwnerName(), 1973 mOwners.getDeviceOwnerUserId(), 1974 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1975 mOwners.writeDeviceOwner(); 1976 if (VERBOSE_LOG) { 1977 Log.v(LOG_TAG, "Device owner component filled in"); 1978 } 1979 } 1980 } 1981 1982 /** 1983 * We didn't use to persist user restrictions for each owners but only persisted in user 1984 * manager. 1985 */ 1986 private void migrateUserRestrictionsIfNecessaryLocked() { 1987 boolean migrated = false; 1988 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1989 // except for the "system controlled" ones. 1990 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1991 if (VERBOSE_LOG) { 1992 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1993 } 1994 migrated = true; 1995 1996 // Migrate user 0 restrictions to DO. 1997 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1998 1999 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 2000 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 2001 2002 // Push DO user restrictions to user manager. 2003 pushUserRestrictions(UserHandle.USER_SYSTEM); 2004 2005 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 2006 } 2007 2008 // Migrate for POs. 2009 2010 // The following restrictions can be set on secondary users by the device owner, so we 2011 // assume they're not from the PO. 2012 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 2013 UserManager.DISALLOW_OUTGOING_CALLS, 2014 UserManager.DISALLOW_SMS); 2015 2016 for (UserInfo ui : mUserManager.getUsers()) { 2017 final int userId = ui.id; 2018 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 2019 if (VERBOSE_LOG) { 2020 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 2021 } 2022 migrated = true; 2023 2024 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 2025 2026 final Set<String> exceptionList = 2027 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 2028 2029 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 2030 exceptionList, /* isDeviceOwner =*/ false); 2031 2032 // Note if a secondary user has no PO but has a DA that disables camera, we 2033 // don't get here and won't push the camera user restriction to UserManager 2034 // here. That's okay because we'll push user restrictions anyway when a user 2035 // starts. But we still do it because we want to let user manager persist 2036 // upon migration. 2037 pushUserRestrictions(userId); 2038 2039 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 2040 } 2041 } 2042 if (VERBOSE_LOG && migrated) { 2043 Log.v(LOG_TAG, "User restrictions migrated."); 2044 } 2045 } 2046 2047 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 2048 Set<String> exceptionList, boolean isDeviceOwner) { 2049 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 2050 user.getIdentifier()); 2051 2052 final Bundle newBaseRestrictions = new Bundle(); 2053 final Bundle newOwnerRestrictions = new Bundle(); 2054 2055 for (String key : origRestrictions.keySet()) { 2056 if (!origRestrictions.getBoolean(key)) { 2057 continue; 2058 } 2059 final boolean canOwnerChange = isDeviceOwner 2060 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 2061 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 2062 2063 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 2064 newBaseRestrictions.putBoolean(key, true); 2065 } else { 2066 newOwnerRestrictions.putBoolean(key, true); 2067 } 2068 } 2069 2070 if (VERBOSE_LOG) { 2071 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 2072 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 2073 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 2074 } 2075 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 2076 newBaseRestrictions); 2077 2078 if (admin != null) { 2079 admin.ensureUserRestrictions().clear(); 2080 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 2081 } else { 2082 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 2083 } 2084 saveSettingsLocked(user.getIdentifier()); 2085 } 2086 2087 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 2088 final DevicePolicyData policy = getUserData(userId); 2089 final int n = policy.mAdminList.size(); 2090 ComponentName found = null; 2091 int nFound = 0; 2092 for (int i = 0; i < n; i++) { 2093 final ActiveAdmin admin = policy.mAdminList.get(i); 2094 if (packageName.equals(admin.info.getPackageName())) { 2095 // Found! 2096 if (nFound == 0) { 2097 found = admin.info.getComponent(); 2098 } 2099 nFound++; 2100 } 2101 } 2102 if (nFound > 1) { 2103 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 2104 } 2105 return found; 2106 } 2107 2108 /** 2109 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 2110 * reminders. Clears alarm if no expirations are configured. 2111 */ 2112 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 2113 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 2114 final long now = System.currentTimeMillis(); 2115 final long timeToExpire = expiration - now; 2116 final long alarmTime; 2117 if (expiration == 0) { 2118 // No expirations are currently configured: Cancel alarm. 2119 alarmTime = 0; 2120 } else if (timeToExpire <= 0) { 2121 // The password has already expired: Repeat every 24 hours. 2122 alarmTime = now + MS_PER_DAY; 2123 } else { 2124 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 2125 // the expiration time. 2126 long alarmInterval = timeToExpire % MS_PER_DAY; 2127 if (alarmInterval == 0) { 2128 alarmInterval = MS_PER_DAY; 2129 } 2130 alarmTime = now + alarmInterval; 2131 } 2132 2133 long token = mInjector.binderClearCallingIdentity(); 2134 try { 2135 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2136 AlarmManager am = mInjector.getAlarmManager(); 2137 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2138 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2139 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2140 UserHandle.of(affectedUserHandle)); 2141 am.cancel(pi); 2142 if (alarmTime != 0) { 2143 am.set(AlarmManager.RTC, alarmTime, pi); 2144 } 2145 } finally { 2146 mInjector.binderRestoreCallingIdentity(token); 2147 } 2148 } 2149 2150 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2151 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2152 if (admin != null 2153 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2154 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2155 return admin; 2156 } 2157 return null; 2158 } 2159 2160 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2161 if (parent) { 2162 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2163 } 2164 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2165 if (admin != null && parent) { 2166 admin = admin.getParentActiveAdmin(); 2167 } 2168 return admin; 2169 } 2170 2171 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2172 throws SecurityException { 2173 final int callingUid = mInjector.binderGetCallingUid(); 2174 2175 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2176 if (result != null) { 2177 return result; 2178 } 2179 2180 if (who != null) { 2181 final int userId = UserHandle.getUserId(callingUid); 2182 final DevicePolicyData policy = getUserData(userId); 2183 ActiveAdmin admin = policy.mAdminMap.get(who); 2184 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2185 throw new SecurityException("Admin " + admin.info.getComponent() 2186 + " does not own the device"); 2187 } 2188 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2189 throw new SecurityException("Admin " + admin.info.getComponent() 2190 + " does not own the profile"); 2191 } 2192 throw new SecurityException("Admin " + admin.info.getComponent() 2193 + " did not specify uses-policy for: " 2194 + admin.info.getTagForPolicy(reqPolicy)); 2195 } else { 2196 throw new SecurityException("No active admin owned by uid " 2197 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2198 } 2199 } 2200 2201 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2202 throws SecurityException { 2203 if (parent) { 2204 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2205 "call APIs on the parent profile"); 2206 } 2207 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2208 return parent ? admin.getParentActiveAdmin() : admin; 2209 } 2210 /** 2211 * Find the admin for the component and userId bit of the uid, then check 2212 * the admin's uid matches the uid. 2213 */ 2214 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2215 final int userId = UserHandle.getUserId(uid); 2216 final DevicePolicyData policy = getUserData(userId); 2217 ActiveAdmin admin = policy.mAdminMap.get(who); 2218 if (admin == null) { 2219 throw new SecurityException("No active admin " + who); 2220 } 2221 if (admin.getUid() != uid) { 2222 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2223 } 2224 return admin; 2225 } 2226 2227 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2228 int uid) { 2229 // Try to find an admin which can use reqPolicy 2230 final int userId = UserHandle.getUserId(uid); 2231 final DevicePolicyData policy = getUserData(userId); 2232 if (who != null) { 2233 ActiveAdmin admin = policy.mAdminMap.get(who); 2234 if (admin == null) { 2235 throw new SecurityException("No active admin " + who); 2236 } 2237 if (admin.getUid() != uid) { 2238 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2239 } 2240 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2241 return admin; 2242 } 2243 } else { 2244 for (ActiveAdmin admin : policy.mAdminList) { 2245 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2246 userId)) { 2247 return admin; 2248 } 2249 } 2250 } 2251 2252 return null; 2253 } 2254 2255 @VisibleForTesting 2256 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2257 int userId) { 2258 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2259 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2260 2261 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2262 return ownsDevice; 2263 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2264 // DO always has the PO power. 2265 return ownsDevice || ownsProfile; 2266 } else { 2267 return admin.info.usesPolicy(reqPolicy); 2268 } 2269 } 2270 2271 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2272 sendAdminCommandLocked(admin, action, null); 2273 } 2274 2275 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2276 sendAdminCommandLocked(admin, action, null, result); 2277 } 2278 2279 /** 2280 * Send an update to one specific admin, get notified when that admin returns a result. 2281 */ 2282 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2283 BroadcastReceiver result) { 2284 Intent intent = new Intent(action); 2285 intent.setComponent(admin.info.getComponent()); 2286 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2287 intent.putExtra("expiration", admin.passwordExpirationDate); 2288 } 2289 if (adminExtras != null) { 2290 intent.putExtras(adminExtras); 2291 } 2292 if (result != null) { 2293 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2294 null, result, mHandler, Activity.RESULT_OK, null, null); 2295 } else { 2296 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2297 } 2298 } 2299 2300 /** 2301 * Send an update to all admins of a user that enforce a specified policy. 2302 */ 2303 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle, Bundle adminExtras) { 2304 final DevicePolicyData policy = getUserData(userHandle); 2305 final int count = policy.mAdminList.size(); 2306 for (int i = 0; i < count; i++) { 2307 final ActiveAdmin admin = policy.mAdminList.get(i); 2308 if (admin.info.usesPolicy(reqPolicy)) { 2309 sendAdminCommandLocked(admin, action, adminExtras, null); 2310 } 2311 } 2312 } 2313 2314 /** 2315 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2316 * enforce a specified policy. 2317 */ 2318 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2319 int userHandle, Bundle adminExtras) { 2320 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2321 for (int profileId : profileIds) { 2322 sendAdminCommandLocked(action, reqPolicy, profileId, adminExtras); 2323 } 2324 } 2325 2326 /** 2327 * Sends a broadcast to each profile that share the password unlock with the given user id. 2328 */ 2329 private void sendAdminCommandForLockscreenPoliciesLocked( 2330 String action, int reqPolicy, int userHandle) { 2331 final Bundle extras = new Bundle(); 2332 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2333 if (isSeparateProfileChallengeEnabled(userHandle)) { 2334 sendAdminCommandLocked(action, reqPolicy, userHandle, extras); 2335 } else { 2336 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle, extras); 2337 } 2338 } 2339 2340 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2341 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2342 DevicePolicyData policy = getUserData(userHandle); 2343 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2344 policy.mRemovingAdmins.add(adminReceiver); 2345 sendAdminCommandLocked(admin, 2346 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2347 new BroadcastReceiver() { 2348 @Override 2349 public void onReceive(Context context, Intent intent) { 2350 removeAdminArtifacts(adminReceiver, userHandle); 2351 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2352 } 2353 }); 2354 } 2355 } 2356 2357 2358 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2359 boolean throwForMissiongPermission) { 2360 if (!mHasFeature) { 2361 return null; 2362 } 2363 enforceFullCrossUsersPermission(userHandle); 2364 ActivityInfo ai = null; 2365 try { 2366 ai = mIPackageManager.getReceiverInfo(adminName, 2367 PackageManager.GET_META_DATA | 2368 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2369 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2370 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2371 } catch (RemoteException e) { 2372 // shouldn't happen. 2373 } 2374 if (ai == null) { 2375 throw new IllegalArgumentException("Unknown admin: " + adminName); 2376 } 2377 2378 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2379 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2380 + permission.BIND_DEVICE_ADMIN; 2381 Slog.w(LOG_TAG, message); 2382 if (throwForMissiongPermission && 2383 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2384 throw new IllegalArgumentException(message); 2385 } 2386 } 2387 2388 try { 2389 return new DeviceAdminInfo(mContext, ai); 2390 } catch (XmlPullParserException | IOException e) { 2391 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2392 e); 2393 return null; 2394 } 2395 } 2396 2397 private JournaledFile makeJournaledFile(int userHandle) { 2398 final String base = userHandle == UserHandle.USER_SYSTEM 2399 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2400 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2401 DEVICE_POLICIES_XML).getAbsolutePath(); 2402 if (VERBOSE_LOG) { 2403 Log.v(LOG_TAG, "Opening " + base); 2404 } 2405 return new JournaledFile(new File(base), new File(base + ".tmp")); 2406 } 2407 2408 private void saveSettingsLocked(int userHandle) { 2409 DevicePolicyData policy = getUserData(userHandle); 2410 JournaledFile journal = makeJournaledFile(userHandle); 2411 FileOutputStream stream = null; 2412 try { 2413 stream = new FileOutputStream(journal.chooseForWrite(), false); 2414 XmlSerializer out = new FastXmlSerializer(); 2415 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2416 out.startDocument(null, true); 2417 2418 out.startTag(null, "policies"); 2419 if (policy.mRestrictionsProvider != null) { 2420 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2421 policy.mRestrictionsProvider.flattenToString()); 2422 } 2423 if (policy.mUserSetupComplete) { 2424 out.attribute(null, ATTR_SETUP_COMPLETE, 2425 Boolean.toString(true)); 2426 } 2427 if (policy.mPaired) { 2428 out.attribute(null, ATTR_DEVICE_PAIRED, 2429 Boolean.toString(true)); 2430 } 2431 if (policy.mDeviceProvisioningConfigApplied) { 2432 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2433 Boolean.toString(true)); 2434 } 2435 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2436 out.attribute(null, ATTR_PROVISIONING_STATE, 2437 Integer.toString(policy.mUserProvisioningState)); 2438 } 2439 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2440 out.attribute(null, ATTR_PERMISSION_POLICY, 2441 Integer.toString(policy.mPermissionPolicy)); 2442 } 2443 2444 // Serialize delegations. 2445 for (int i = 0; i < policy.mDelegationMap.size(); ++i) { 2446 final String delegatePackage = policy.mDelegationMap.keyAt(i); 2447 final List<String> scopes = policy.mDelegationMap.valueAt(i); 2448 2449 // Every "delegation" tag serializes the information of one delegate-scope pair. 2450 for (String scope : scopes) { 2451 out.startTag(null, "delegation"); 2452 out.attribute(null, "delegatePackage", delegatePackage); 2453 out.attribute(null, "scope", scope); 2454 out.endTag(null, "delegation"); 2455 } 2456 } 2457 2458 final int N = policy.mAdminList.size(); 2459 for (int i=0; i<N; i++) { 2460 ActiveAdmin ap = policy.mAdminList.get(i); 2461 if (ap != null) { 2462 out.startTag(null, "admin"); 2463 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2464 ap.writeToXml(out); 2465 out.endTag(null, "admin"); 2466 } 2467 } 2468 2469 if (policy.mPasswordOwner >= 0) { 2470 out.startTag(null, "password-owner"); 2471 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2472 out.endTag(null, "password-owner"); 2473 } 2474 2475 if (policy.mFailedPasswordAttempts != 0) { 2476 out.startTag(null, "failed-password-attempts"); 2477 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2478 out.endTag(null, "failed-password-attempts"); 2479 } 2480 2481 // Don't save metrics for FBE devices 2482 final PasswordMetrics metrics = policy.mActivePasswordMetrics; 2483 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() && !metrics.isDefault()) { 2484 out.startTag(null, "active-password"); 2485 out.attribute(null, "quality", Integer.toString(metrics.quality)); 2486 out.attribute(null, "length", Integer.toString(metrics.length)); 2487 out.attribute(null, "uppercase", Integer.toString(metrics.upperCase)); 2488 out.attribute(null, "lowercase", Integer.toString(metrics.lowerCase)); 2489 out.attribute(null, "letters", Integer.toString(metrics.letters)); 2490 out.attribute(null, "numeric", Integer.toString(metrics.numeric)); 2491 out.attribute(null, "symbols", Integer.toString(metrics.symbols)); 2492 out.attribute(null, "nonletter", Integer.toString(metrics.nonLetter)); 2493 out.endTag(null, "active-password"); 2494 } 2495 2496 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2497 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2498 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2499 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2500 } 2501 2502 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2503 String component = policy.mLockTaskPackages.get(i); 2504 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2505 out.attribute(null, "name", component); 2506 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2507 } 2508 2509 if (policy.mStatusBarDisabled) { 2510 out.startTag(null, TAG_STATUS_BAR); 2511 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2512 out.endTag(null, TAG_STATUS_BAR); 2513 } 2514 2515 if (policy.doNotAskCredentialsOnBoot) { 2516 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2517 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2518 } 2519 2520 for (String id : policy.mAffiliationIds) { 2521 out.startTag(null, TAG_AFFILIATION_ID); 2522 out.attribute(null, ATTR_ID, id); 2523 out.endTag(null, TAG_AFFILIATION_ID); 2524 } 2525 2526 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2527 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2528 out.attribute(null, ATTR_VALUE, 2529 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2530 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2531 } 2532 2533 if (policy.mLastBugReportRequestTime >= 0) { 2534 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2535 out.attribute(null, ATTR_VALUE, 2536 Long.toString(policy.mLastBugReportRequestTime)); 2537 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2538 } 2539 2540 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2541 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2542 out.attribute(null, ATTR_VALUE, 2543 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2544 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2545 } 2546 2547 if (policy.mAdminBroadcastPending) { 2548 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2549 out.attribute(null, ATTR_VALUE, 2550 Boolean.toString(policy.mAdminBroadcastPending)); 2551 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2552 } 2553 2554 if (policy.mInitBundle != null) { 2555 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2556 policy.mInitBundle.saveToXml(out); 2557 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2558 } 2559 2560 out.endTag(null, "policies"); 2561 2562 out.endDocument(); 2563 stream.flush(); 2564 FileUtils.sync(stream); 2565 stream.close(); 2566 journal.commit(); 2567 sendChangedNotification(userHandle); 2568 } catch (XmlPullParserException | IOException e) { 2569 Slog.w(LOG_TAG, "failed writing file", e); 2570 try { 2571 if (stream != null) { 2572 stream.close(); 2573 } 2574 } catch (IOException ex) { 2575 // Ignore 2576 } 2577 journal.rollback(); 2578 } 2579 } 2580 2581 private void sendChangedNotification(int userHandle) { 2582 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2583 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2584 long ident = mInjector.binderClearCallingIdentity(); 2585 try { 2586 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2587 } finally { 2588 mInjector.binderRestoreCallingIdentity(ident); 2589 } 2590 } 2591 2592 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2593 JournaledFile journal = makeJournaledFile(userHandle); 2594 FileInputStream stream = null; 2595 File file = journal.chooseForRead(); 2596 boolean needsRewrite = false; 2597 try { 2598 stream = new FileInputStream(file); 2599 XmlPullParser parser = Xml.newPullParser(); 2600 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2601 2602 int type; 2603 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2604 && type != XmlPullParser.START_TAG) { 2605 } 2606 String tag = parser.getName(); 2607 if (!"policies".equals(tag)) { 2608 throw new XmlPullParserException( 2609 "Settings do not start with policies tag: found " + tag); 2610 } 2611 2612 // Extract the permission provider component name if available 2613 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2614 if (permissionProvider != null) { 2615 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2616 } 2617 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2618 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2619 policy.mUserSetupComplete = true; 2620 } 2621 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2622 if (paired != null && Boolean.toString(true).equals(paired)) { 2623 policy.mPaired = true; 2624 } 2625 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2626 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2627 if (deviceProvisioningConfigApplied != null 2628 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2629 policy.mDeviceProvisioningConfigApplied = true; 2630 } 2631 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2632 if (!TextUtils.isEmpty(provisioningState)) { 2633 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2634 } 2635 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2636 if (!TextUtils.isEmpty(permissionPolicy)) { 2637 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2638 } 2639 // Check for delegation compatibility with pre-O. 2640 // TODO(edmanp) remove in P. 2641 { 2642 final String certDelegate = parser.getAttributeValue(null, 2643 ATTR_DELEGATED_CERT_INSTALLER); 2644 if (certDelegate != null) { 2645 List<String> scopes = policy.mDelegationMap.get(certDelegate); 2646 if (scopes == null) { 2647 scopes = new ArrayList<>(); 2648 policy.mDelegationMap.put(certDelegate, scopes); 2649 } 2650 if (!scopes.contains(DELEGATION_CERT_INSTALL)) { 2651 scopes.add(DELEGATION_CERT_INSTALL); 2652 needsRewrite = true; 2653 } 2654 } 2655 final String appRestrictionsDelegate = parser.getAttributeValue(null, 2656 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2657 if (appRestrictionsDelegate != null) { 2658 List<String> scopes = policy.mDelegationMap.get(appRestrictionsDelegate); 2659 if (scopes == null) { 2660 scopes = new ArrayList<>(); 2661 policy.mDelegationMap.put(appRestrictionsDelegate, scopes); 2662 } 2663 if (!scopes.contains(DELEGATION_APP_RESTRICTIONS)) { 2664 scopes.add(DELEGATION_APP_RESTRICTIONS); 2665 needsRewrite = true; 2666 } 2667 } 2668 } 2669 2670 type = parser.next(); 2671 int outerDepth = parser.getDepth(); 2672 policy.mLockTaskPackages.clear(); 2673 policy.mAdminList.clear(); 2674 policy.mAdminMap.clear(); 2675 policy.mAffiliationIds.clear(); 2676 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2677 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2678 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2679 continue; 2680 } 2681 tag = parser.getName(); 2682 if ("admin".equals(tag)) { 2683 String name = parser.getAttributeValue(null, "name"); 2684 try { 2685 DeviceAdminInfo dai = findAdmin( 2686 ComponentName.unflattenFromString(name), userHandle, 2687 /* throwForMissionPermission= */ false); 2688 if (VERBOSE_LOG 2689 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2690 != userHandle)) { 2691 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2692 + dai.getActivityInfo().applicationInfo.uid + " for user " 2693 + userHandle); 2694 } 2695 if (dai != null) { 2696 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2697 ap.readFromXml(parser); 2698 policy.mAdminMap.put(ap.info.getComponent(), ap); 2699 } 2700 } catch (RuntimeException e) { 2701 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2702 } 2703 } else if ("delegation".equals(tag)) { 2704 // Parse delegation info. 2705 final String delegatePackage = parser.getAttributeValue(null, 2706 "delegatePackage"); 2707 final String scope = parser.getAttributeValue(null, "scope"); 2708 2709 // Get a reference to the scopes list for the delegatePackage. 2710 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 2711 // Or make a new list if none was found. 2712 if (scopes == null) { 2713 scopes = new ArrayList<>(); 2714 policy.mDelegationMap.put(delegatePackage, scopes); 2715 } 2716 // Add the new scope to the list of delegatePackage if it's not already there. 2717 if (!scopes.contains(scope)) { 2718 scopes.add(scope); 2719 } 2720 } else if ("failed-password-attempts".equals(tag)) { 2721 policy.mFailedPasswordAttempts = Integer.parseInt( 2722 parser.getAttributeValue(null, "value")); 2723 } else if ("password-owner".equals(tag)) { 2724 policy.mPasswordOwner = Integer.parseInt( 2725 parser.getAttributeValue(null, "value")); 2726 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2727 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2728 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2729 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2730 } else if (TAG_STATUS_BAR.equals(tag)) { 2731 policy.mStatusBarDisabled = Boolean.parseBoolean( 2732 parser.getAttributeValue(null, ATTR_DISABLED)); 2733 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2734 policy.doNotAskCredentialsOnBoot = true; 2735 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2736 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2737 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2738 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2739 parser.getAttributeValue(null, ATTR_VALUE)); 2740 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2741 policy.mLastBugReportRequestTime = Long.parseLong( 2742 parser.getAttributeValue(null, ATTR_VALUE)); 2743 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2744 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2745 parser.getAttributeValue(null, ATTR_VALUE)); 2746 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2747 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2748 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2749 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2750 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2751 } else if ("active-password".equals(tag)) { 2752 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2753 // Remove this from FBE devices 2754 needsRewrite = true; 2755 } else { 2756 final PasswordMetrics m = policy.mActivePasswordMetrics; 2757 m.quality = Integer.parseInt(parser.getAttributeValue(null, "quality")); 2758 m.length = Integer.parseInt(parser.getAttributeValue(null, "length")); 2759 m.upperCase = Integer.parseInt(parser.getAttributeValue(null, "uppercase")); 2760 m.lowerCase = Integer.parseInt(parser.getAttributeValue(null, "lowercase")); 2761 m.letters = Integer.parseInt(parser.getAttributeValue(null, "letters")); 2762 m.numeric = Integer.parseInt(parser.getAttributeValue(null, "numeric")); 2763 m.symbols = Integer.parseInt(parser.getAttributeValue(null, "symbols")); 2764 m.nonLetter = Integer.parseInt(parser.getAttributeValue(null, "nonletter")); 2765 } 2766 } else { 2767 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2768 XmlUtils.skipCurrentTag(parser); 2769 } 2770 } 2771 } catch (FileNotFoundException e) { 2772 // Don't be noisy, this is normal if we haven't defined any policies. 2773 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2774 | IndexOutOfBoundsException e) { 2775 Slog.w(LOG_TAG, "failed parsing " + file, e); 2776 } 2777 try { 2778 if (stream != null) { 2779 stream.close(); 2780 } 2781 } catch (IOException e) { 2782 // Ignore 2783 } 2784 2785 // Generate a list of admins from the admin map 2786 policy.mAdminList.addAll(policy.mAdminMap.values()); 2787 2788 // Might need to upgrade the file by rewriting it 2789 if (needsRewrite) { 2790 saveSettingsLocked(userHandle); 2791 } 2792 2793 validatePasswordOwnerLocked(policy); 2794 updateMaximumTimeToLockLocked(userHandle); 2795 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2796 if (policy.mStatusBarDisabled) { 2797 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2798 } 2799 } 2800 2801 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2802 long ident = mInjector.binderClearCallingIdentity(); 2803 try { 2804 mInjector.getIActivityManager() 2805 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2806 } catch (RemoteException e) { 2807 // Not gonna happen. 2808 } finally { 2809 mInjector.binderRestoreCallingIdentity(ident); 2810 } 2811 } 2812 2813 private void updateDeviceOwnerLocked() { 2814 long ident = mInjector.binderClearCallingIdentity(); 2815 try { 2816 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2817 // user id and also protect all other DAs too. 2818 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2819 if (deviceOwnerComponent != null) { 2820 mInjector.getIActivityManager() 2821 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2822 } 2823 } catch (RemoteException e) { 2824 // Not gonna happen. 2825 } finally { 2826 mInjector.binderRestoreCallingIdentity(ident); 2827 } 2828 } 2829 2830 static void validateQualityConstant(int quality) { 2831 switch (quality) { 2832 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2833 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2834 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2835 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2836 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2837 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2838 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2839 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2840 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2841 return; 2842 } 2843 throw new IllegalArgumentException("Invalid quality constant: 0x" 2844 + Integer.toHexString(quality)); 2845 } 2846 2847 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2848 if (policy.mPasswordOwner >= 0) { 2849 boolean haveOwner = false; 2850 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2851 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2852 haveOwner = true; 2853 break; 2854 } 2855 } 2856 if (!haveOwner) { 2857 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2858 + " no longer active; disabling"); 2859 policy.mPasswordOwner = -1; 2860 } 2861 } 2862 } 2863 2864 @VisibleForTesting 2865 void systemReady(int phase) { 2866 if (!mHasFeature) { 2867 return; 2868 } 2869 switch (phase) { 2870 case SystemService.PHASE_LOCK_SETTINGS_READY: 2871 onLockSettingsReady(); 2872 break; 2873 case SystemService.PHASE_BOOT_COMPLETED: 2874 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2875 break; 2876 } 2877 } 2878 2879 private void onLockSettingsReady() { 2880 getUserData(UserHandle.USER_SYSTEM); 2881 loadOwners(); 2882 cleanUpOldUsers(); 2883 2884 onStartUser(UserHandle.USER_SYSTEM); 2885 2886 // Register an observer for watching for user setup complete. 2887 new SetupContentObserver(mHandler).register(); 2888 // Initialize the user setup state, to handle the upgrade case. 2889 updateUserSetupCompleteAndPaired(); 2890 2891 List<String> packageList; 2892 synchronized (this) { 2893 packageList = getKeepUninstalledPackagesLocked(); 2894 } 2895 if (packageList != null) { 2896 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2897 } 2898 2899 synchronized (this) { 2900 // push the force-ephemeral-users policy to the user manager. 2901 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2902 if (deviceOwner != null) { 2903 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2904 } 2905 } 2906 } 2907 2908 private void ensureDeviceOwnerUserStarted() { 2909 final int userId; 2910 synchronized (this) { 2911 if (!mOwners.hasDeviceOwner()) { 2912 return; 2913 } 2914 userId = mOwners.getDeviceOwnerUserId(); 2915 } 2916 if (VERBOSE_LOG) { 2917 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2918 } 2919 if (userId != UserHandle.USER_SYSTEM) { 2920 try { 2921 mInjector.getIActivityManager().startUserInBackground(userId); 2922 2923 // STOPSHIP Prevent the DO user from being killed. 2924 2925 } catch (RemoteException e) { 2926 Slog.w(LOG_TAG, "Exception starting user", e); 2927 } 2928 } 2929 } 2930 2931 private void onStartUser(int userId) { 2932 updateScreenCaptureDisabledInWindowManager(userId, 2933 getScreenCaptureDisabled(null, userId)); 2934 pushUserRestrictions(userId); 2935 } 2936 2937 private void cleanUpOldUsers() { 2938 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2939 // before reboot 2940 Set<Integer> usersWithProfileOwners; 2941 Set<Integer> usersWithData; 2942 synchronized(this) { 2943 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2944 usersWithData = new ArraySet<>(); 2945 for (int i = 0; i < mUserData.size(); i++) { 2946 usersWithData.add(mUserData.keyAt(i)); 2947 } 2948 } 2949 List<UserInfo> allUsers = mUserManager.getUsers(); 2950 2951 Set<Integer> deletedUsers = new ArraySet<>(); 2952 deletedUsers.addAll(usersWithProfileOwners); 2953 deletedUsers.addAll(usersWithData); 2954 for (UserInfo userInfo : allUsers) { 2955 deletedUsers.remove(userInfo.id); 2956 } 2957 for (Integer userId : deletedUsers) { 2958 removeUserData(userId); 2959 } 2960 } 2961 2962 private void handlePasswordExpirationNotification(int userHandle) { 2963 final Bundle adminExtras = new Bundle(); 2964 adminExtras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2965 2966 synchronized (this) { 2967 final long now = System.currentTimeMillis(); 2968 2969 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2970 userHandle, /* parent */ false); 2971 final int N = admins.size(); 2972 for (int i = 0; i < N; i++) { 2973 ActiveAdmin admin = admins.get(i); 2974 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2975 && admin.passwordExpirationTimeout > 0L 2976 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2977 && admin.passwordExpirationDate > 0L) { 2978 sendAdminCommandLocked(admin, 2979 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING, adminExtras, null); 2980 } 2981 } 2982 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2983 } 2984 } 2985 2986 /** 2987 * Remove deleted CA certificates from the "approved" list for a particular user, counting 2988 * the number still remaining to approve. 2989 * 2990 * @param userHandle user to check for. This must be a real user and not, for example, 2991 * {@link UserHandle#ALL}. 2992 * @param installedCertificates the full set of certificate authorities currently installed for 2993 * {@param userHandle}. After calling this function, {@code mAcceptedCaCertificates} will 2994 * correspond to some subset of this. 2995 * 2996 * @return number of certificates yet to be approved by {@param userHandle}. 2997 */ 2998 protected synchronized int retainAcceptedCertificates(final UserHandle userHandle, 2999 final @NonNull Collection<String> installedCertificates) { 3000 enforceManageUsers(); 3001 3002 if (!mHasFeature) { 3003 return installedCertificates.size(); 3004 } else { 3005 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 3006 3007 // Remove deleted certificates. Flush xml if necessary. 3008 if (policy.mAcceptedCaCertificates.retainAll(installedCertificates)) { 3009 saveSettingsLocked(userHandle.getIdentifier()); 3010 } 3011 3012 // Trim approved certificates from the count. 3013 return installedCertificates.size() - policy.mAcceptedCaCertificates.size(); 3014 } 3015 } 3016 3017 /** 3018 * @param adminReceiver The admin to add 3019 * @param refreshing true = update an active admin, no error 3020 */ 3021 @Override 3022 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 3023 if (!mHasFeature) { 3024 return; 3025 } 3026 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 3027 } 3028 3029 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 3030 Bundle onEnableData) { 3031 mContext.enforceCallingOrSelfPermission( 3032 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3033 enforceFullCrossUsersPermission(userHandle); 3034 3035 DevicePolicyData policy = getUserData(userHandle); 3036 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 3037 /* throwForMissionPermission= */ true); 3038 if (info == null) { 3039 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 3040 } 3041 if (!info.getActivityInfo().applicationInfo.isInternal()) { 3042 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 3043 + adminReceiver); 3044 } 3045 synchronized (this) { 3046 long ident = mInjector.binderClearCallingIdentity(); 3047 try { 3048 final ActiveAdmin existingAdmin 3049 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3050 if (!refreshing && existingAdmin != null) { 3051 throw new IllegalArgumentException("Admin is already added"); 3052 } 3053 if (policy.mRemovingAdmins.contains(adminReceiver)) { 3054 throw new IllegalArgumentException( 3055 "Trying to set an admin which is being removed"); 3056 } 3057 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 3058 newAdmin.testOnlyAdmin = 3059 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 3060 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 3061 policy.mAdminMap.put(adminReceiver, newAdmin); 3062 int replaceIndex = -1; 3063 final int N = policy.mAdminList.size(); 3064 for (int i=0; i < N; i++) { 3065 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 3066 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 3067 replaceIndex = i; 3068 break; 3069 } 3070 } 3071 if (replaceIndex == -1) { 3072 policy.mAdminList.add(newAdmin); 3073 enableIfNecessary(info.getPackageName(), userHandle); 3074 } else { 3075 policy.mAdminList.set(replaceIndex, newAdmin); 3076 } 3077 saveSettingsLocked(userHandle); 3078 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 3079 onEnableData, null); 3080 } finally { 3081 mInjector.binderRestoreCallingIdentity(ident); 3082 } 3083 } 3084 } 3085 3086 @Override 3087 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3088 if (!mHasFeature) { 3089 return false; 3090 } 3091 enforceFullCrossUsersPermission(userHandle); 3092 synchronized (this) { 3093 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3094 } 3095 } 3096 3097 @Override 3098 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3099 if (!mHasFeature) { 3100 return false; 3101 } 3102 enforceFullCrossUsersPermission(userHandle); 3103 synchronized (this) { 3104 DevicePolicyData policyData = getUserData(userHandle); 3105 return policyData.mRemovingAdmins.contains(adminReceiver); 3106 } 3107 } 3108 3109 @Override 3110 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3111 if (!mHasFeature) { 3112 return false; 3113 } 3114 enforceFullCrossUsersPermission(userHandle); 3115 synchronized (this) { 3116 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3117 if (administrator == null) { 3118 throw new SecurityException("No active admin " + adminReceiver); 3119 } 3120 return administrator.info.usesPolicy(policyId); 3121 } 3122 } 3123 3124 @Override 3125 @SuppressWarnings("unchecked") 3126 public List<ComponentName> getActiveAdmins(int userHandle) { 3127 if (!mHasFeature) { 3128 return Collections.EMPTY_LIST; 3129 } 3130 3131 enforceFullCrossUsersPermission(userHandle); 3132 synchronized (this) { 3133 DevicePolicyData policy = getUserData(userHandle); 3134 final int N = policy.mAdminList.size(); 3135 if (N <= 0) { 3136 return null; 3137 } 3138 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3139 for (int i=0; i<N; i++) { 3140 res.add(policy.mAdminList.get(i).info.getComponent()); 3141 } 3142 return res; 3143 } 3144 } 3145 3146 @Override 3147 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3148 if (!mHasFeature) { 3149 return false; 3150 } 3151 enforceFullCrossUsersPermission(userHandle); 3152 synchronized (this) { 3153 DevicePolicyData policy = getUserData(userHandle); 3154 final int N = policy.mAdminList.size(); 3155 for (int i=0; i<N; i++) { 3156 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3157 return true; 3158 } 3159 } 3160 return false; 3161 } 3162 } 3163 3164 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3165 if (!mHasFeature) { 3166 return; 3167 } 3168 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3169 enforceShell("forceRemoveActiveAdmin"); 3170 long ident = mInjector.binderClearCallingIdentity(); 3171 try { 3172 synchronized (this) { 3173 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3174 throw new SecurityException("Attempt to remove non-test admin " 3175 + adminReceiver + " " + userHandle); 3176 } 3177 3178 // If admin is a device or profile owner tidy that up first. 3179 if (isDeviceOwner(adminReceiver, userHandle)) { 3180 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3181 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userHandle)); 3182 } 3183 if (isProfileOwner(adminReceiver, userHandle)) { 3184 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3185 userHandle, /* parent */ false); 3186 clearProfileOwnerLocked(admin, userHandle); 3187 } 3188 } 3189 // Remove the admin skipping sending the broadcast. 3190 removeAdminArtifacts(adminReceiver, userHandle); 3191 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3192 } finally { 3193 mInjector.binderRestoreCallingIdentity(ident); 3194 } 3195 } 3196 3197 // It's temporary solution to clear DISALLOW_ADD_USER after CTS 3198 // STOPSHIP(b/31952368) when the restriction is moved from system to the device owner, 3199 // it can be removed. 3200 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3201 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3202 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3203 } 3204 } 3205 3206 /** 3207 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3208 * for CTS. 3209 * 3210 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3211 * to check wehter an active admin is test-only or not. 3212 * 3213 * The system allows this flag to be changed when an app is updated, which is not good 3214 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3215 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3216 */ 3217 private boolean isPackageTestOnly(String packageName, int userHandle) { 3218 final ApplicationInfo ai; 3219 try { 3220 ai = mIPackageManager.getApplicationInfo(packageName, 3221 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3222 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3223 } catch (RemoteException e) { 3224 throw new IllegalStateException(e); 3225 } 3226 if (ai == null) { 3227 throw new IllegalStateException("Couldn't find package: " 3228 + packageName + " on user " + userHandle); 3229 } 3230 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3231 } 3232 3233 /** 3234 * See {@link #isPackageTestOnly}. 3235 */ 3236 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3237 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3238 return (admin != null) && admin.testOnlyAdmin; 3239 } 3240 3241 private void enforceShell(String method) { 3242 final int callingUid = Binder.getCallingUid(); 3243 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3244 throw new SecurityException("Non-shell user attempted to call " + method); 3245 } 3246 } 3247 3248 @Override 3249 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3250 if (!mHasFeature) { 3251 return; 3252 } 3253 enforceFullCrossUsersPermission(userHandle); 3254 enforceUserUnlocked(userHandle); 3255 synchronized (this) { 3256 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3257 if (admin == null) { 3258 return; 3259 } 3260 // Active device/profile owners must remain active admins. 3261 if (isDeviceOwner(adminReceiver, userHandle) 3262 || isProfileOwner(adminReceiver, userHandle)) { 3263 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3264 adminReceiver); 3265 return; 3266 } 3267 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3268 mContext.enforceCallingOrSelfPermission( 3269 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3270 } 3271 long ident = mInjector.binderClearCallingIdentity(); 3272 try { 3273 removeActiveAdminLocked(adminReceiver, userHandle); 3274 } finally { 3275 mInjector.binderRestoreCallingIdentity(ident); 3276 } 3277 } 3278 } 3279 3280 @Override 3281 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3282 ComponentName profileOwner = getProfileOwner(userHandle); 3283 // Profile challenge is supported on N or newer release. 3284 return profileOwner != null && 3285 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3286 } 3287 3288 @Override 3289 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3290 if (!mHasFeature) { 3291 return; 3292 } 3293 Preconditions.checkNotNull(who, "ComponentName is null"); 3294 validateQualityConstant(quality); 3295 3296 synchronized (this) { 3297 ActiveAdmin ap = getActiveAdminForCallerLocked( 3298 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3299 if (ap.minimumPasswordMetrics.quality != quality) { 3300 ap.minimumPasswordMetrics.quality = quality; 3301 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3302 } 3303 } 3304 } 3305 3306 @Override 3307 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3308 if (!mHasFeature) { 3309 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3310 } 3311 enforceFullCrossUsersPermission(userHandle); 3312 synchronized (this) { 3313 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3314 3315 if (who != null) { 3316 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3317 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3318 } 3319 3320 // Return the strictest policy across all participating admins. 3321 List<ActiveAdmin> admins = 3322 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3323 final int N = admins.size(); 3324 for (int i = 0; i < N; i++) { 3325 ActiveAdmin admin = admins.get(i); 3326 if (mode < admin.minimumPasswordMetrics.quality) { 3327 mode = admin.minimumPasswordMetrics.quality; 3328 } 3329 } 3330 return mode; 3331 } 3332 } 3333 3334 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3335 int userHandle, boolean parent) { 3336 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3337 // If this user has a separate challenge, only return its restrictions. 3338 return getUserDataUnchecked(userHandle).mAdminList; 3339 } else { 3340 // Return all admins for this user and the profiles that are visible from this 3341 // user that do not use a separate work challenge. 3342 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3343 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3344 DevicePolicyData policy = getUserData(userInfo.id); 3345 if (!userInfo.isManagedProfile()) { 3346 admins.addAll(policy.mAdminList); 3347 } else { 3348 // For managed profiles, we always include the policies set on the parent 3349 // profile. Additionally, we include the ones set on the managed profile 3350 // if no separate challenge is in place. 3351 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3352 final int N = policy.mAdminList.size(); 3353 for (int i = 0; i < N; i++) { 3354 ActiveAdmin admin = policy.mAdminList.get(i); 3355 if (admin.hasParentActiveAdmin()) { 3356 admins.add(admin.getParentActiveAdmin()); 3357 } 3358 if (!hasSeparateChallenge) { 3359 admins.add(admin); 3360 } 3361 } 3362 } 3363 } 3364 return admins; 3365 } 3366 } 3367 3368 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3369 long ident = mInjector.binderClearCallingIdentity(); 3370 try { 3371 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3372 } finally { 3373 mInjector.binderRestoreCallingIdentity(ident); 3374 } 3375 } 3376 3377 @Override 3378 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3379 if (!mHasFeature) { 3380 return; 3381 } 3382 Preconditions.checkNotNull(who, "ComponentName is null"); 3383 synchronized (this) { 3384 ActiveAdmin ap = getActiveAdminForCallerLocked( 3385 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3386 if (ap.minimumPasswordMetrics.length != length) { 3387 ap.minimumPasswordMetrics.length = length; 3388 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3389 } 3390 } 3391 } 3392 3393 @Override 3394 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3395 if (!mHasFeature) { 3396 return 0; 3397 } 3398 enforceFullCrossUsersPermission(userHandle); 3399 synchronized (this) { 3400 int length = 0; 3401 3402 if (who != null) { 3403 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3404 return admin != null ? admin.minimumPasswordMetrics.length : length; 3405 } 3406 3407 // Return the strictest policy across all participating admins. 3408 List<ActiveAdmin> admins = 3409 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3410 final int N = admins.size(); 3411 for (int i = 0; i < N; i++) { 3412 ActiveAdmin admin = admins.get(i); 3413 if (length < admin.minimumPasswordMetrics.length) { 3414 length = admin.minimumPasswordMetrics.length; 3415 } 3416 } 3417 return length; 3418 } 3419 } 3420 3421 @Override 3422 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3423 if (!mHasFeature) { 3424 return; 3425 } 3426 Preconditions.checkNotNull(who, "ComponentName is null"); 3427 synchronized (this) { 3428 ActiveAdmin ap = getActiveAdminForCallerLocked( 3429 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3430 if (ap.passwordHistoryLength != length) { 3431 ap.passwordHistoryLength = length; 3432 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3433 } 3434 } 3435 } 3436 3437 @Override 3438 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3439 if (!mHasFeature) { 3440 return 0; 3441 } 3442 enforceFullCrossUsersPermission(userHandle); 3443 synchronized (this) { 3444 int length = 0; 3445 3446 if (who != null) { 3447 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3448 return admin != null ? admin.passwordHistoryLength : length; 3449 } 3450 3451 // Return the strictest policy across all participating admins. 3452 List<ActiveAdmin> admins = 3453 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3454 final int N = admins.size(); 3455 for (int i = 0; i < N; i++) { 3456 ActiveAdmin admin = admins.get(i); 3457 if (length < admin.passwordHistoryLength) { 3458 length = admin.passwordHistoryLength; 3459 } 3460 } 3461 3462 return length; 3463 } 3464 } 3465 3466 @Override 3467 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3468 if (!mHasFeature) { 3469 return; 3470 } 3471 Preconditions.checkNotNull(who, "ComponentName is null"); 3472 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3473 final int userHandle = mInjector.userHandleGetCallingUserId(); 3474 synchronized (this) { 3475 ActiveAdmin ap = getActiveAdminForCallerLocked( 3476 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3477 // Calling this API automatically bumps the expiration date 3478 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3479 ap.passwordExpirationDate = expiration; 3480 ap.passwordExpirationTimeout = timeout; 3481 if (timeout > 0L) { 3482 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3483 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3484 .format(new Date(expiration))); 3485 } 3486 saveSettingsLocked(userHandle); 3487 3488 // in case this is the first one, set the alarm on the appropriate user. 3489 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3490 } 3491 } 3492 3493 /** 3494 * Return a single admin's expiration cycle time, or the min of all cycle times. 3495 * Returns 0 if not configured. 3496 */ 3497 @Override 3498 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3499 if (!mHasFeature) { 3500 return 0L; 3501 } 3502 enforceFullCrossUsersPermission(userHandle); 3503 synchronized (this) { 3504 long timeout = 0L; 3505 3506 if (who != null) { 3507 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3508 return admin != null ? admin.passwordExpirationTimeout : timeout; 3509 } 3510 3511 // Return the strictest policy across all participating admins. 3512 List<ActiveAdmin> admins = 3513 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3514 final int N = admins.size(); 3515 for (int i = 0; i < N; i++) { 3516 ActiveAdmin admin = admins.get(i); 3517 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3518 && timeout > admin.passwordExpirationTimeout)) { 3519 timeout = admin.passwordExpirationTimeout; 3520 } 3521 } 3522 return timeout; 3523 } 3524 } 3525 3526 @Override 3527 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3528 final int userId = UserHandle.getCallingUserId(); 3529 List<String> changedProviders = null; 3530 3531 synchronized (this) { 3532 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3533 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3534 if (activeAdmin.crossProfileWidgetProviders == null) { 3535 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3536 } 3537 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3538 if (!providers.contains(packageName)) { 3539 providers.add(packageName); 3540 changedProviders = new ArrayList<>(providers); 3541 saveSettingsLocked(userId); 3542 } 3543 } 3544 3545 if (changedProviders != null) { 3546 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3547 return true; 3548 } 3549 3550 return false; 3551 } 3552 3553 @Override 3554 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3555 final int userId = UserHandle.getCallingUserId(); 3556 List<String> changedProviders = null; 3557 3558 synchronized (this) { 3559 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3560 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3561 if (activeAdmin.crossProfileWidgetProviders == null 3562 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3563 return false; 3564 } 3565 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3566 if (providers.remove(packageName)) { 3567 changedProviders = new ArrayList<>(providers); 3568 saveSettingsLocked(userId); 3569 } 3570 } 3571 3572 if (changedProviders != null) { 3573 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3574 return true; 3575 } 3576 3577 return false; 3578 } 3579 3580 @Override 3581 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3582 synchronized (this) { 3583 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3584 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3585 if (activeAdmin.crossProfileWidgetProviders == null 3586 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3587 return null; 3588 } 3589 if (mInjector.binderIsCallingUidMyUid()) { 3590 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3591 } else { 3592 return activeAdmin.crossProfileWidgetProviders; 3593 } 3594 } 3595 } 3596 3597 /** 3598 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3599 * Returns 0 if not configured. 3600 */ 3601 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3602 long timeout = 0L; 3603 3604 if (who != null) { 3605 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3606 return admin != null ? admin.passwordExpirationDate : timeout; 3607 } 3608 3609 // Return the strictest policy across all participating admins. 3610 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3611 final int N = admins.size(); 3612 for (int i = 0; i < N; i++) { 3613 ActiveAdmin admin = admins.get(i); 3614 if (timeout == 0L || (admin.passwordExpirationDate != 0 3615 && timeout > admin.passwordExpirationDate)) { 3616 timeout = admin.passwordExpirationDate; 3617 } 3618 } 3619 return timeout; 3620 } 3621 3622 @Override 3623 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3624 if (!mHasFeature) { 3625 return 0L; 3626 } 3627 enforceFullCrossUsersPermission(userHandle); 3628 synchronized (this) { 3629 return getPasswordExpirationLocked(who, userHandle, parent); 3630 } 3631 } 3632 3633 @Override 3634 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3635 if (!mHasFeature) { 3636 return; 3637 } 3638 Preconditions.checkNotNull(who, "ComponentName is null"); 3639 synchronized (this) { 3640 ActiveAdmin ap = getActiveAdminForCallerLocked( 3641 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3642 if (ap.minimumPasswordMetrics.upperCase != length) { 3643 ap.minimumPasswordMetrics.upperCase = length; 3644 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3645 } 3646 } 3647 } 3648 3649 @Override 3650 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3651 if (!mHasFeature) { 3652 return 0; 3653 } 3654 enforceFullCrossUsersPermission(userHandle); 3655 synchronized (this) { 3656 int length = 0; 3657 3658 if (who != null) { 3659 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3660 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3661 } 3662 3663 // Return the strictest policy across all participating admins. 3664 List<ActiveAdmin> admins = 3665 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3666 final int N = admins.size(); 3667 for (int i = 0; i < N; i++) { 3668 ActiveAdmin admin = admins.get(i); 3669 if (length < admin.minimumPasswordMetrics.upperCase) { 3670 length = admin.minimumPasswordMetrics.upperCase; 3671 } 3672 } 3673 return length; 3674 } 3675 } 3676 3677 @Override 3678 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3679 Preconditions.checkNotNull(who, "ComponentName is null"); 3680 synchronized (this) { 3681 ActiveAdmin ap = getActiveAdminForCallerLocked( 3682 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3683 if (ap.minimumPasswordMetrics.lowerCase != length) { 3684 ap.minimumPasswordMetrics.lowerCase = length; 3685 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3686 } 3687 } 3688 } 3689 3690 @Override 3691 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3692 if (!mHasFeature) { 3693 return 0; 3694 } 3695 enforceFullCrossUsersPermission(userHandle); 3696 synchronized (this) { 3697 int length = 0; 3698 3699 if (who != null) { 3700 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3701 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3702 } 3703 3704 // Return the strictest policy across all participating admins. 3705 List<ActiveAdmin> admins = 3706 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3707 final int N = admins.size(); 3708 for (int i = 0; i < N; i++) { 3709 ActiveAdmin admin = admins.get(i); 3710 if (length < admin.minimumPasswordMetrics.lowerCase) { 3711 length = admin.minimumPasswordMetrics.lowerCase; 3712 } 3713 } 3714 return length; 3715 } 3716 } 3717 3718 @Override 3719 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3720 if (!mHasFeature) { 3721 return; 3722 } 3723 Preconditions.checkNotNull(who, "ComponentName is null"); 3724 synchronized (this) { 3725 ActiveAdmin ap = getActiveAdminForCallerLocked( 3726 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3727 if (ap.minimumPasswordMetrics.letters != length) { 3728 ap.minimumPasswordMetrics.letters = length; 3729 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3730 } 3731 } 3732 } 3733 3734 @Override 3735 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3736 if (!mHasFeature) { 3737 return 0; 3738 } 3739 enforceFullCrossUsersPermission(userHandle); 3740 synchronized (this) { 3741 int length = 0; 3742 3743 if (who != null) { 3744 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3745 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3746 } 3747 3748 // Return the strictest policy across all participating admins. 3749 List<ActiveAdmin> admins = 3750 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3751 final int N = admins.size(); 3752 for (int i = 0; i < N; i++) { 3753 ActiveAdmin admin = admins.get(i); 3754 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3755 continue; 3756 } 3757 if (length < admin.minimumPasswordMetrics.letters) { 3758 length = admin.minimumPasswordMetrics.letters; 3759 } 3760 } 3761 return length; 3762 } 3763 } 3764 3765 @Override 3766 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3767 if (!mHasFeature) { 3768 return; 3769 } 3770 Preconditions.checkNotNull(who, "ComponentName is null"); 3771 synchronized (this) { 3772 ActiveAdmin ap = getActiveAdminForCallerLocked( 3773 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3774 if (ap.minimumPasswordMetrics.numeric != length) { 3775 ap.minimumPasswordMetrics.numeric = length; 3776 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3777 } 3778 } 3779 } 3780 3781 @Override 3782 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3783 if (!mHasFeature) { 3784 return 0; 3785 } 3786 enforceFullCrossUsersPermission(userHandle); 3787 synchronized (this) { 3788 int length = 0; 3789 3790 if (who != null) { 3791 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3792 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3793 } 3794 3795 // Return the strictest policy across all participating admins. 3796 List<ActiveAdmin> admins = 3797 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3798 final int N = admins.size(); 3799 for (int i = 0; i < N; i++) { 3800 ActiveAdmin admin = admins.get(i); 3801 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3802 continue; 3803 } 3804 if (length < admin.minimumPasswordMetrics.numeric) { 3805 length = admin.minimumPasswordMetrics.numeric; 3806 } 3807 } 3808 return length; 3809 } 3810 } 3811 3812 @Override 3813 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3814 if (!mHasFeature) { 3815 return; 3816 } 3817 Preconditions.checkNotNull(who, "ComponentName is null"); 3818 synchronized (this) { 3819 ActiveAdmin ap = getActiveAdminForCallerLocked( 3820 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3821 if (ap.minimumPasswordMetrics.symbols != length) { 3822 ap.minimumPasswordMetrics.symbols = length; 3823 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3824 } 3825 } 3826 } 3827 3828 @Override 3829 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3830 if (!mHasFeature) { 3831 return 0; 3832 } 3833 enforceFullCrossUsersPermission(userHandle); 3834 synchronized (this) { 3835 int length = 0; 3836 3837 if (who != null) { 3838 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3839 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 3840 } 3841 3842 // Return the strictest policy across all participating admins. 3843 List<ActiveAdmin> admins = 3844 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3845 final int N = admins.size(); 3846 for (int i = 0; i < N; i++) { 3847 ActiveAdmin admin = admins.get(i); 3848 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3849 continue; 3850 } 3851 if (length < admin.minimumPasswordMetrics.symbols) { 3852 length = admin.minimumPasswordMetrics.symbols; 3853 } 3854 } 3855 return length; 3856 } 3857 } 3858 3859 @Override 3860 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3861 if (!mHasFeature) { 3862 return; 3863 } 3864 Preconditions.checkNotNull(who, "ComponentName is null"); 3865 synchronized (this) { 3866 ActiveAdmin ap = getActiveAdminForCallerLocked( 3867 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3868 if (ap.minimumPasswordMetrics.nonLetter != length) { 3869 ap.minimumPasswordMetrics.nonLetter = length; 3870 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3871 } 3872 } 3873 } 3874 3875 @Override 3876 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3877 if (!mHasFeature) { 3878 return 0; 3879 } 3880 enforceFullCrossUsersPermission(userHandle); 3881 synchronized (this) { 3882 int length = 0; 3883 3884 if (who != null) { 3885 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3886 return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; 3887 } 3888 3889 // Return the strictest policy across all participating admins. 3890 List<ActiveAdmin> admins = 3891 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3892 final int N = admins.size(); 3893 for (int i = 0; i < N; i++) { 3894 ActiveAdmin admin = admins.get(i); 3895 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3896 continue; 3897 } 3898 if (length < admin.minimumPasswordMetrics.nonLetter) { 3899 length = admin.minimumPasswordMetrics.nonLetter; 3900 } 3901 } 3902 return length; 3903 } 3904 } 3905 3906 @Override 3907 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3908 if (!mHasFeature) { 3909 return true; 3910 } 3911 enforceFullCrossUsersPermission(userHandle); 3912 3913 synchronized (this) { 3914 // This API can only be called by an active device admin, 3915 // so try to retrieve it to check that the caller is one. 3916 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3917 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3918 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3919 } 3920 } 3921 3922 @Override 3923 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3924 if (!mHasFeature) { 3925 return true; 3926 } 3927 enforceFullCrossUsersPermission(userHandle); 3928 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3929 3930 synchronized (this) { 3931 int targetUser = getProfileParentId(userHandle); 3932 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3933 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3934 } 3935 } 3936 3937 private boolean isActivePasswordSufficientForUserLocked( 3938 DevicePolicyData policy, int userHandle, boolean parent) { 3939 enforceUserUnlocked(userHandle, parent); 3940 3941 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 3942 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 3943 return false; 3944 } 3945 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 3946 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 3947 null, userHandle, parent)) { 3948 return false; 3949 } 3950 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3951 return true; 3952 } 3953 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 3954 null, userHandle, parent) 3955 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 3956 null, userHandle, parent) 3957 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 3958 null, userHandle, parent) 3959 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 3960 null, userHandle, parent) 3961 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 3962 null, userHandle, parent) 3963 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 3964 null, userHandle, parent); 3965 } 3966 3967 @Override 3968 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3969 enforceFullCrossUsersPermission(userHandle); 3970 synchronized (this) { 3971 if (!isCallerWithSystemUid()) { 3972 // This API can only be called by an active device admin, 3973 // so try to retrieve it to check that the caller is one. 3974 getActiveAdminForCallerLocked( 3975 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3976 } 3977 3978 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3979 3980 return policy.mFailedPasswordAttempts; 3981 } 3982 } 3983 3984 @Override 3985 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3986 if (!mHasFeature) { 3987 return; 3988 } 3989 Preconditions.checkNotNull(who, "ComponentName is null"); 3990 synchronized (this) { 3991 // This API can only be called by an active device admin, 3992 // so try to retrieve it to check that the caller is one. 3993 getActiveAdminForCallerLocked( 3994 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3995 ActiveAdmin ap = getActiveAdminForCallerLocked( 3996 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3997 if (ap.maximumFailedPasswordsForWipe != num) { 3998 ap.maximumFailedPasswordsForWipe = num; 3999 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 4000 } 4001 } 4002 } 4003 4004 @Override 4005 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 4006 if (!mHasFeature) { 4007 return 0; 4008 } 4009 enforceFullCrossUsersPermission(userHandle); 4010 synchronized (this) { 4011 ActiveAdmin admin = (who != null) 4012 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 4013 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 4014 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 4015 } 4016 } 4017 4018 @Override 4019 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 4020 if (!mHasFeature) { 4021 return UserHandle.USER_NULL; 4022 } 4023 enforceFullCrossUsersPermission(userHandle); 4024 synchronized (this) { 4025 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4026 userHandle, parent); 4027 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 4028 } 4029 } 4030 4031 /** 4032 * Returns the admin with the strictest policy on maximum failed passwords for: 4033 * <ul> 4034 * <li>this user if it has a separate profile challenge, or 4035 * <li>this user and all profiles that don't have their own challenge otherwise. 4036 * </ul> 4037 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 4038 * the primary profile. 4039 * Returns {@code null} if no participating admin has that policy set. 4040 */ 4041 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 4042 int userHandle, boolean parent) { 4043 int count = 0; 4044 ActiveAdmin strictestAdmin = null; 4045 4046 // Return the strictest policy across all participating admins. 4047 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4048 final int N = admins.size(); 4049 for (int i = 0; i < N; i++) { 4050 ActiveAdmin admin = admins.get(i); 4051 if (admin.maximumFailedPasswordsForWipe == 4052 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 4053 continue; // No max number of failed passwords policy set for this profile. 4054 } 4055 4056 // We always favor the primary profile if several profiles have the same value set. 4057 int userId = admin.getUserHandle().getIdentifier(); 4058 if (count == 0 || 4059 count > admin.maximumFailedPasswordsForWipe || 4060 (count == admin.maximumFailedPasswordsForWipe && 4061 getUserInfo(userId).isPrimary())) { 4062 count = admin.maximumFailedPasswordsForWipe; 4063 strictestAdmin = admin; 4064 } 4065 } 4066 return strictestAdmin; 4067 } 4068 4069 private UserInfo getUserInfo(@UserIdInt int userId) { 4070 final long token = mInjector.binderClearCallingIdentity(); 4071 try { 4072 return mUserManager.getUserInfo(userId); 4073 } finally { 4074 mInjector.binderRestoreCallingIdentity(token); 4075 } 4076 } 4077 4078 @Override 4079 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 4080 if (!mHasFeature) { 4081 return false; 4082 } 4083 final int callingUid = mInjector.binderGetCallingUid(); 4084 final int userHandle = mInjector.userHandleGetCallingUserId(); 4085 4086 String password = passwordOrNull != null ? passwordOrNull : ""; 4087 4088 // Password resetting to empty/null is not allowed for managed profiles. 4089 if (TextUtils.isEmpty(password)) { 4090 enforceNotManagedProfile(userHandle, "clear the active password"); 4091 } 4092 4093 int quality; 4094 synchronized (this) { 4095 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4096 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4097 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4098 final boolean preN; 4099 if (admin != null) { 4100 preN = getTargetSdk(admin.info.getPackageName(), 4101 userHandle) <= android.os.Build.VERSION_CODES.M; 4102 } else { 4103 // Otherwise, make sure the caller has any active admin with the right policy. 4104 admin = getActiveAdminForCallerLocked(null, 4105 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4106 preN = getTargetSdk(admin.info.getPackageName(), 4107 userHandle) <= android.os.Build.VERSION_CODES.M; 4108 4109 // As of N, password resetting to empty/null is not allowed anymore. 4110 // TODO Should we allow DO/PO to set an empty password? 4111 if (TextUtils.isEmpty(password)) { 4112 if (!preN) { 4113 throw new SecurityException("Cannot call with null password"); 4114 } else { 4115 Slog.e(LOG_TAG, "Cannot call with null password"); 4116 return false; 4117 } 4118 } 4119 // As of N, password cannot be changed by the admin if it is already set. 4120 if (isLockScreenSecureUnchecked(userHandle)) { 4121 if (!preN) { 4122 throw new SecurityException("Admin cannot change current password"); 4123 } else { 4124 Slog.e(LOG_TAG, "Admin cannot change current password"); 4125 return false; 4126 } 4127 } 4128 } 4129 // Do not allow to reset password when current user has a managed profile 4130 if (!isManagedProfile(userHandle)) { 4131 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4132 if (userInfo.isManagedProfile()) { 4133 if (!preN) { 4134 throw new IllegalStateException( 4135 "Cannot reset password on user has managed profile"); 4136 } else { 4137 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4138 return false; 4139 } 4140 } 4141 } 4142 } 4143 // Do not allow to reset password when user is locked 4144 if (!mUserManager.isUserUnlocked(userHandle)) { 4145 if (!preN) { 4146 throw new IllegalStateException("Cannot reset password when user is locked"); 4147 } else { 4148 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4149 return false; 4150 } 4151 } 4152 4153 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4154 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4155 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4156 } 4157 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4158 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4159 final int realQuality = metrics.quality; 4160 if (realQuality < quality 4161 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4162 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4163 + Integer.toHexString(realQuality) 4164 + " does not meet required quality 0x" 4165 + Integer.toHexString(quality)); 4166 return false; 4167 } 4168 quality = Math.max(realQuality, quality); 4169 } 4170 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4171 if (password.length() < length) { 4172 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4173 + " does not meet required length " + length); 4174 return false; 4175 } 4176 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4177 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4178 if(metrics.letters < neededLetters) { 4179 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4180 + " does not meet required number of letters " + neededLetters); 4181 return false; 4182 } 4183 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4184 if (metrics.numeric < neededNumeric) { 4185 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4186 + " does not meet required number of numerical digits " 4187 + neededNumeric); 4188 return false; 4189 } 4190 int neededLowerCase = getPasswordMinimumLowerCase( 4191 null, userHandle, /* parent */ false); 4192 if (metrics.lowerCase < neededLowerCase) { 4193 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4194 + metrics.lowerCase 4195 + " does not meet required number of lowercase letters " 4196 + neededLowerCase); 4197 return false; 4198 } 4199 int neededUpperCase = getPasswordMinimumUpperCase( 4200 null, userHandle, /* parent */ false); 4201 if (metrics.upperCase < neededUpperCase) { 4202 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4203 + metrics.upperCase 4204 + " does not meet required number of uppercase letters " 4205 + neededUpperCase); 4206 return false; 4207 } 4208 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4209 if (metrics.symbols < neededSymbols) { 4210 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4211 + " does not meet required number of special symbols " + neededSymbols); 4212 return false; 4213 } 4214 int neededNonLetter = getPasswordMinimumNonLetter( 4215 null, userHandle, /* parent */ false); 4216 if (metrics.nonLetter < neededNonLetter) { 4217 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4218 + metrics.nonLetter 4219 + " does not meet required number of non-letter characters " 4220 + neededNonLetter); 4221 return false; 4222 } 4223 } 4224 } 4225 4226 DevicePolicyData policy = getUserData(userHandle); 4227 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4228 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4229 return false; 4230 } 4231 4232 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4233 boolean doNotAskCredentialsOnBoot = 4234 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4235 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4236 setDoNotAskCredentialsOnBoot(); 4237 } 4238 4239 // Don't do this with the lock held, because it is going to call 4240 // back in to the service. 4241 final long ident = mInjector.binderClearCallingIdentity(); 4242 try { 4243 if (!TextUtils.isEmpty(password)) { 4244 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4245 } else { 4246 mLockPatternUtils.clearLock(null, userHandle); 4247 } 4248 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4249 if (requireEntry) { 4250 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4251 UserHandle.USER_ALL); 4252 } 4253 synchronized (this) { 4254 int newOwner = requireEntry ? callingUid : -1; 4255 if (policy.mPasswordOwner != newOwner) { 4256 policy.mPasswordOwner = newOwner; 4257 saveSettingsLocked(userHandle); 4258 } 4259 } 4260 } finally { 4261 mInjector.binderRestoreCallingIdentity(ident); 4262 } 4263 4264 return true; 4265 } 4266 4267 private boolean isLockScreenSecureUnchecked(int userId) { 4268 long ident = mInjector.binderClearCallingIdentity(); 4269 try { 4270 return mLockPatternUtils.isSecure(userId); 4271 } finally { 4272 mInjector.binderRestoreCallingIdentity(ident); 4273 } 4274 } 4275 4276 private void setDoNotAskCredentialsOnBoot() { 4277 synchronized (this) { 4278 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4279 if (!policyData.doNotAskCredentialsOnBoot) { 4280 policyData.doNotAskCredentialsOnBoot = true; 4281 saveSettingsLocked(UserHandle.USER_SYSTEM); 4282 } 4283 } 4284 } 4285 4286 @Override 4287 public boolean getDoNotAskCredentialsOnBoot() { 4288 mContext.enforceCallingOrSelfPermission( 4289 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4290 synchronized (this) { 4291 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4292 return policyData.doNotAskCredentialsOnBoot; 4293 } 4294 } 4295 4296 @Override 4297 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4298 if (!mHasFeature) { 4299 return; 4300 } 4301 Preconditions.checkNotNull(who, "ComponentName is null"); 4302 final int userHandle = mInjector.userHandleGetCallingUserId(); 4303 synchronized (this) { 4304 ActiveAdmin ap = getActiveAdminForCallerLocked( 4305 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4306 if (ap.maximumTimeToUnlock != timeMs) { 4307 ap.maximumTimeToUnlock = timeMs; 4308 saveSettingsLocked(userHandle); 4309 updateMaximumTimeToLockLocked(userHandle); 4310 } 4311 } 4312 } 4313 4314 void updateMaximumTimeToLockLocked(int userHandle) { 4315 // Calculate the min timeout for all profiles - including the ones with a separate 4316 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4317 // challenge only and keep the screen on. However there is no easy way of doing that at the 4318 // moment so we set the screen off timeout regardless of whether it affects the parent user 4319 // or the profile challenge only. 4320 long timeMs = Long.MAX_VALUE; 4321 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4322 for (int profileId : profileIds) { 4323 DevicePolicyData policy = getUserDataUnchecked(profileId); 4324 final int N = policy.mAdminList.size(); 4325 for (int i = 0; i < N; i++) { 4326 ActiveAdmin admin = policy.mAdminList.get(i); 4327 if (admin.maximumTimeToUnlock > 0 4328 && timeMs > admin.maximumTimeToUnlock) { 4329 timeMs = admin.maximumTimeToUnlock; 4330 } 4331 // If userInfo.id is a managed profile, we also need to look at 4332 // the policies set on the parent. 4333 if (admin.hasParentActiveAdmin()) { 4334 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4335 if (parentAdmin.maximumTimeToUnlock > 0 4336 && timeMs > parentAdmin.maximumTimeToUnlock) { 4337 timeMs = parentAdmin.maximumTimeToUnlock; 4338 } 4339 } 4340 } 4341 } 4342 4343 // We only store the last maximum time to lock on the parent profile. So if calling from a 4344 // managed profile, retrieve the policy for the parent. 4345 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4346 if (policy.mLastMaximumTimeToLock == timeMs) { 4347 return; 4348 } 4349 policy.mLastMaximumTimeToLock = timeMs; 4350 4351 final long ident = mInjector.binderClearCallingIdentity(); 4352 try { 4353 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4354 // Make sure KEEP_SCREEN_ON is disabled, since that 4355 // would allow bypassing of the maximum time to lock. 4356 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4357 } 4358 4359 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4360 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4361 } finally { 4362 mInjector.binderRestoreCallingIdentity(ident); 4363 } 4364 } 4365 4366 @Override 4367 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4368 if (!mHasFeature) { 4369 return 0; 4370 } 4371 enforceFullCrossUsersPermission(userHandle); 4372 synchronized (this) { 4373 if (who != null) { 4374 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4375 return admin != null ? admin.maximumTimeToUnlock : 0; 4376 } 4377 // Return the strictest policy across all participating admins. 4378 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4379 userHandle, parent); 4380 return getMaximumTimeToLockPolicyFromAdmins(admins); 4381 } 4382 } 4383 4384 @Override 4385 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4386 if (!mHasFeature) { 4387 return 0; 4388 } 4389 enforceFullCrossUsersPermission(userHandle); 4390 synchronized (this) { 4391 // All admins for this user. 4392 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4393 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4394 DevicePolicyData policy = getUserData(userInfo.id); 4395 admins.addAll(policy.mAdminList); 4396 // If it is a managed profile, it may have parent active admins 4397 if (userInfo.isManagedProfile()) { 4398 for (ActiveAdmin admin : policy.mAdminList) { 4399 if (admin.hasParentActiveAdmin()) { 4400 admins.add(admin.getParentActiveAdmin()); 4401 } 4402 } 4403 } 4404 } 4405 return getMaximumTimeToLockPolicyFromAdmins(admins); 4406 } 4407 } 4408 4409 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4410 long time = 0; 4411 final int N = admins.size(); 4412 for (int i = 0; i < N; i++) { 4413 ActiveAdmin admin = admins.get(i); 4414 if (time == 0) { 4415 time = admin.maximumTimeToUnlock; 4416 } else if (admin.maximumTimeToUnlock != 0 4417 && time > admin.maximumTimeToUnlock) { 4418 time = admin.maximumTimeToUnlock; 4419 } 4420 } 4421 return time; 4422 } 4423 4424 @Override 4425 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4426 boolean parent) { 4427 if (!mHasFeature) { 4428 return; 4429 } 4430 Preconditions.checkNotNull(who, "ComponentName is null"); 4431 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4432 // timeoutMs with value 0 means that the admin doesn't participate 4433 // timeoutMs is clamped to the interval in case the internal constants change in the future 4434 final long minimumStrongAuthTimeout = getMinimumStrongAuthTimeoutMs(); 4435 if (timeoutMs != 0 && timeoutMs < minimumStrongAuthTimeout) { 4436 timeoutMs = minimumStrongAuthTimeout; 4437 } 4438 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4439 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4440 } 4441 4442 final int userHandle = mInjector.userHandleGetCallingUserId(); 4443 synchronized (this) { 4444 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4445 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4446 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4447 ap.strongAuthUnlockTimeout = timeoutMs; 4448 saveSettingsLocked(userHandle); 4449 } 4450 } 4451 } 4452 4453 /** 4454 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4455 * admins if who is null. 4456 * Returns 0 if not configured for the provided admin. 4457 */ 4458 @Override 4459 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4460 if (!mHasFeature) { 4461 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4462 } 4463 enforceFullCrossUsersPermission(userId); 4464 synchronized (this) { 4465 if (who != null) { 4466 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4467 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4468 } 4469 4470 // Return the strictest policy across all participating admins. 4471 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4472 4473 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4474 for (int i = 0; i < admins.size(); i++) { 4475 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4476 if (timeout != 0) { // take only participating admins into account 4477 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4478 } 4479 } 4480 return Math.max(strongAuthUnlockTimeout, getMinimumStrongAuthTimeoutMs()); 4481 } 4482 } 4483 4484 private long getMinimumStrongAuthTimeoutMs() { 4485 if (!mInjector.isBuildDebuggable()) { 4486 return MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4487 } 4488 // ideally the property was named persist.sys.min_strong_auth_timeout, but system property 4489 // name cannot be longer than 31 characters 4490 return Math.min(mInjector.systemPropertiesGetLong("persist.sys.min_str_auth_timeo", 4491 MINIMUM_STRONG_AUTH_TIMEOUT_MS), 4492 MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4493 } 4494 4495 @Override 4496 public void lockNow(int flags, boolean parent) { 4497 if (!mHasFeature) { 4498 return; 4499 } 4500 4501 final int callingUserId = mInjector.userHandleGetCallingUserId(); 4502 synchronized (this) { 4503 // This API can only be called by an active device admin, 4504 // so try to retrieve it to check that the caller is one. 4505 final ActiveAdmin admin = getActiveAdminForCallerLocked( 4506 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4507 4508 final long ident = mInjector.binderClearCallingIdentity(); 4509 try { 4510 // Evict key 4511 if ((flags & DevicePolicyManager.FLAG_EVICT_CE_KEY) != 0) { 4512 enforceManagedProfile(callingUserId, "set FLAG_EVICT_CE_KEY"); 4513 if (!isProfileOwner(admin.info.getComponent(), callingUserId)) { 4514 throw new SecurityException( 4515 "Only profile owner admins can set FLAG_EVICT_CE_KEY"); 4516 } 4517 if (parent) { 4518 throw new IllegalArgumentException( 4519 "Cannot set FLAG_EVICT_CE_KEY for the parent"); 4520 } 4521 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 4522 throw new UnsupportedOperationException( 4523 "FLAG_EVICT_CE_KEY only applies to FBE devices"); 4524 } 4525 mUserManager.evictCredentialEncryptionKey(callingUserId); 4526 } 4527 4528 // Lock all users unless this is a managed profile with a separate challenge 4529 final int userToLock = (parent || !isSeparateProfileChallengeEnabled(callingUserId) 4530 ? UserHandle.USER_ALL : callingUserId); 4531 mLockPatternUtils.requireStrongAuth( 4532 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4533 4534 // Require authentication for the device or profile 4535 if (userToLock == UserHandle.USER_ALL) { 4536 // Power off the display 4537 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4538 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4539 mInjector.getIWindowManager().lockNow(null); 4540 } else { 4541 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4542 } 4543 } catch (RemoteException e) { 4544 } finally { 4545 mInjector.binderRestoreCallingIdentity(ident); 4546 } 4547 } 4548 } 4549 4550 @Override 4551 public void enforceCanManageCaCerts(ComponentName who, String callerPackage) { 4552 if (who == null) { 4553 if (!isCallerDelegate(callerPackage, DELEGATION_CERT_INSTALL)) { 4554 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4555 } 4556 } else { 4557 enforceProfileOrDeviceOwner(who); 4558 } 4559 } 4560 4561 private void enforceProfileOrDeviceOwner(ComponentName who) { 4562 synchronized (this) { 4563 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4564 } 4565 } 4566 4567 @Override 4568 public boolean approveCaCert(String alias, int userId, boolean approval) { 4569 enforceManageUsers(); 4570 synchronized (this) { 4571 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4572 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4573 if (!changed) { 4574 return false; 4575 } 4576 saveSettingsLocked(userId); 4577 } 4578 new MonitoringCertNotificationTask(this, mInjector).execute(userId); 4579 return true; 4580 } 4581 4582 @Override 4583 public boolean isCaCertApproved(String alias, int userId) { 4584 enforceManageUsers(); 4585 synchronized (this) { 4586 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4587 } 4588 } 4589 4590 private void removeCaApprovalsIfNeeded(int userId) { 4591 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4592 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4593 if (userInfo.isManagedProfile()){ 4594 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4595 } 4596 if (!isSecure) { 4597 synchronized (this) { 4598 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4599 saveSettingsLocked(userInfo.id); 4600 } 4601 4602 new MonitoringCertNotificationTask(this, mInjector).execute(userInfo.id); 4603 } 4604 } 4605 } 4606 4607 @Override 4608 public boolean installCaCert(ComponentName admin, String callerPackage, byte[] certBuffer) 4609 throws RemoteException { 4610 enforceCanManageCaCerts(admin, callerPackage); 4611 4612 byte[] pemCert; 4613 try { 4614 X509Certificate cert = parseCert(certBuffer); 4615 pemCert = Credentials.convertToPem(cert); 4616 } catch (CertificateException ce) { 4617 Log.e(LOG_TAG, "Problem converting cert", ce); 4618 return false; 4619 } catch (IOException ioe) { 4620 Log.e(LOG_TAG, "Problem reading cert", ioe); 4621 return false; 4622 } 4623 4624 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4625 final long id = mInjector.binderClearCallingIdentity(); 4626 try { 4627 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4628 try { 4629 keyChainConnection.getService().installCaCertificate(pemCert); 4630 return true; 4631 } catch (RemoteException e) { 4632 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4633 } finally { 4634 keyChainConnection.close(); 4635 } 4636 } catch (InterruptedException e1) { 4637 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4638 Thread.currentThread().interrupt(); 4639 } finally { 4640 mInjector.binderRestoreCallingIdentity(id); 4641 } 4642 return false; 4643 } 4644 4645 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4646 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4647 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4648 certBuffer)); 4649 } 4650 4651 @Override 4652 public void uninstallCaCerts(ComponentName admin, String callerPackage, String[] aliases) { 4653 enforceCanManageCaCerts(admin, callerPackage); 4654 4655 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4656 final long id = mInjector.binderClearCallingIdentity(); 4657 try { 4658 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4659 try { 4660 for (int i = 0 ; i < aliases.length; i++) { 4661 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4662 } 4663 } catch (RemoteException e) { 4664 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4665 } finally { 4666 keyChainConnection.close(); 4667 } 4668 } catch (InterruptedException ie) { 4669 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4670 Thread.currentThread().interrupt(); 4671 } finally { 4672 mInjector.binderRestoreCallingIdentity(id); 4673 } 4674 } 4675 4676 @Override 4677 public boolean installKeyPair(ComponentName who, String callerPackage, byte[] privKey, 4678 byte[] cert, byte[] chain, String alias, boolean requestAccess) { 4679 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4680 DELEGATION_CERT_INSTALL); 4681 4682 4683 final int callingUid = mInjector.binderGetCallingUid(); 4684 final long id = mInjector.binderClearCallingIdentity(); 4685 try { 4686 final KeyChainConnection keyChainConnection = 4687 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4688 try { 4689 IKeyChainService keyChain = keyChainConnection.getService(); 4690 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4691 return false; 4692 } 4693 if (requestAccess) { 4694 keyChain.setGrant(callingUid, alias, true); 4695 } 4696 return true; 4697 } catch (RemoteException e) { 4698 Log.e(LOG_TAG, "Installing certificate", e); 4699 } finally { 4700 keyChainConnection.close(); 4701 } 4702 } catch (InterruptedException e) { 4703 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4704 Thread.currentThread().interrupt(); 4705 } finally { 4706 mInjector.binderRestoreCallingIdentity(id); 4707 } 4708 return false; 4709 } 4710 4711 @Override 4712 public boolean removeKeyPair(ComponentName who, String callerPackage, String alias) { 4713 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4714 DELEGATION_CERT_INSTALL); 4715 4716 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4717 final long id = Binder.clearCallingIdentity(); 4718 try { 4719 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4720 try { 4721 IKeyChainService keyChain = keyChainConnection.getService(); 4722 return keyChain.removeKeyPair(alias); 4723 } catch (RemoteException e) { 4724 Log.e(LOG_TAG, "Removing keypair", e); 4725 } finally { 4726 keyChainConnection.close(); 4727 } 4728 } catch (InterruptedException e) { 4729 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4730 Thread.currentThread().interrupt(); 4731 } finally { 4732 Binder.restoreCallingIdentity(id); 4733 } 4734 return false; 4735 } 4736 4737 @Override 4738 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4739 final IBinder response) { 4740 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4741 if (!isCallerWithSystemUid()) { 4742 return; 4743 } 4744 4745 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4746 // If there is a profile owner, redirect to that; otherwise query the device owner. 4747 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4748 if (aliasChooser == null && caller.isSystem()) { 4749 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4750 if (deviceOwnerAdmin != null) { 4751 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4752 } 4753 } 4754 if (aliasChooser == null) { 4755 sendPrivateKeyAliasResponse(null, response); 4756 return; 4757 } 4758 4759 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4760 intent.setComponent(aliasChooser); 4761 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4762 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4763 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4764 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4765 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4766 4767 final long id = mInjector.binderClearCallingIdentity(); 4768 try { 4769 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4770 @Override 4771 public void onReceive(Context context, Intent intent) { 4772 final String chosenAlias = getResultData(); 4773 sendPrivateKeyAliasResponse(chosenAlias, response); 4774 } 4775 }, null, Activity.RESULT_OK, null, null); 4776 } finally { 4777 mInjector.binderRestoreCallingIdentity(id); 4778 } 4779 } 4780 4781 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4782 final IKeyChainAliasCallback keyChainAliasResponse = 4783 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4784 new AsyncTask<Void, Void, Void>() { 4785 @Override 4786 protected Void doInBackground(Void... unused) { 4787 try { 4788 keyChainAliasResponse.alias(alias); 4789 } catch (Exception e) { 4790 // Catch everything (not just RemoteException): caller could throw a 4791 // RuntimeException back across processes. 4792 Log.e(LOG_TAG, "error while responding to callback", e); 4793 } 4794 return null; 4795 } 4796 }.execute(); 4797 } 4798 4799 /** 4800 * Set the scopes of a device owner or profile owner delegate. 4801 * 4802 * @param who the device owner or profile owner. 4803 * @param delegatePackage the name of the delegate package. 4804 * @param scopes the list of delegation scopes to be given to the delegate package. 4805 */ 4806 @Override 4807 public void setDelegatedScopes(ComponentName who, String delegatePackage, 4808 List<String> scopes) throws SecurityException { 4809 Preconditions.checkNotNull(who, "ComponentName is null"); 4810 Preconditions.checkStringNotEmpty(delegatePackage, "Delegate package is null or empty"); 4811 Preconditions.checkCollectionElementsNotNull(scopes, "Scopes"); 4812 // Remove possible duplicates. 4813 scopes = new ArrayList(new ArraySet(scopes)); 4814 // Ensure given scopes are valid. 4815 if (scopes.retainAll(Arrays.asList(DELEGATIONS))) { 4816 throw new IllegalArgumentException("Unexpected delegation scopes"); 4817 } 4818 4819 // Retrieve the user ID of the calling process. 4820 final int userId = mInjector.userHandleGetCallingUserId(); 4821 synchronized (this) { 4822 // Ensure calling process is device/profile owner. 4823 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4824 // Ensure the delegate is installed (skip this for DELEGATION_CERT_INSTALL in pre-N). 4825 if (scopes.size() == 1 && scopes.get(0).equals(DELEGATION_CERT_INSTALL) || 4826 getTargetSdk(who.getPackageName(), userId) >= Build.VERSION_CODES.N) { 4827 // Throw when the delegate package is not installed. 4828 if (!isPackageInstalledForUser(delegatePackage, userId)) { 4829 throw new IllegalArgumentException("Package " + delegatePackage 4830 + " is not installed on the current user"); 4831 } 4832 } 4833 4834 // Set the new delegate in user policies. 4835 final DevicePolicyData policy = getUserData(userId); 4836 if (!scopes.isEmpty()) { 4837 policy.mDelegationMap.put(delegatePackage, new ArrayList<>(scopes)); 4838 } else { 4839 // Remove any delegation info if the given scopes list is empty. 4840 policy.mDelegationMap.remove(delegatePackage); 4841 } 4842 4843 // Notify delegate package of updates. 4844 final Intent intent = new Intent( 4845 DevicePolicyManager.ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED); 4846 // Only call receivers registered with Context#registerReceiver (don’t wake delegate). 4847 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 4848 // Limit components this intent resolves to to the delegate package. 4849 intent.setPackage(delegatePackage); 4850 // Include the list of delegated scopes as an extra. 4851 intent.putStringArrayListExtra(DevicePolicyManager.EXTRA_DELEGATION_SCOPES, 4852 (ArrayList<String>) scopes); 4853 // Send the broadcast. 4854 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 4855 4856 // Persist updates. 4857 saveSettingsLocked(userId); 4858 } 4859 } 4860 4861 /** 4862 * Get the delegation scopes given to a delegate package by a device owner or profile owner. 4863 * 4864 * A DO/PO can get the scopes of any package. A non DO/PO package can get its own scopes by 4865 * passing in {@code null} as the {@code who} parameter and its own name as the 4866 * {@code delegatepackage}. 4867 * 4868 * @param who the device owner or profile owner, or {@code null} if the caller is 4869 * {@code delegatePackage}. 4870 * @param delegatePackage the name of the delegate package whose scopes are to be retrieved. 4871 * @return a list of the delegation scopes currently given to {@code delegatePackage}. 4872 */ 4873 @Override 4874 @NonNull 4875 public List<String> getDelegatedScopes(ComponentName who, 4876 String delegatePackage) throws SecurityException { 4877 Preconditions.checkNotNull(delegatePackage, "Delegate package is null"); 4878 4879 // Retrieve the user ID of the calling process. 4880 final int callingUid = mInjector.binderGetCallingUid(); 4881 final int userId = UserHandle.getUserId(callingUid); 4882 synchronized (this) { 4883 // Ensure calling process is device/profile owner. 4884 if (who != null) { 4885 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4886 // Or ensure calling process is delegatePackage itself. 4887 } else { 4888 int uid = 0; 4889 try { 4890 uid = mInjector.getPackageManager() 4891 .getPackageUidAsUser(delegatePackage, userId); 4892 } catch(NameNotFoundException e) { 4893 } 4894 if (uid != callingUid) { 4895 throw new SecurityException("Caller with uid " + callingUid + " is not " 4896 + delegatePackage); 4897 } 4898 } 4899 final DevicePolicyData policy = getUserData(userId); 4900 // Retrieve the scopes assigned to delegatePackage, or null if no scope was given. 4901 final List<String> scopes = policy.mDelegationMap.get(delegatePackage); 4902 return scopes == null ? Collections.EMPTY_LIST : scopes; 4903 } 4904 } 4905 4906 /** 4907 * Get a list of packages that were given a specific delegation scopes by a device owner or 4908 * profile owner. 4909 * 4910 * @param who the device owner or profile owner. 4911 * @param scope the scope whose delegates are to be retrieved. 4912 * @return a list of the delegate packages currently given the {@code scope} delegation. 4913 */ 4914 @NonNull 4915 public List<String> getDelegatePackages(ComponentName who, String scope) 4916 throws SecurityException { 4917 Preconditions.checkNotNull(who, "ComponentName is null"); 4918 Preconditions.checkNotNull(scope, "Scope is null"); 4919 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 4920 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 4921 } 4922 4923 // Retrieve the user ID of the calling process. 4924 final int userId = mInjector.userHandleGetCallingUserId(); 4925 synchronized (this) { 4926 // Ensure calling process is device/profile owner. 4927 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4928 final DevicePolicyData policy = getUserData(userId); 4929 4930 // Create a list to hold the resulting delegate packages. 4931 final List<String> delegatePackagesWithScope = new ArrayList<>(); 4932 // Add all delegations containing scope to the result list. 4933 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 4934 if (policy.mDelegationMap.valueAt(i).contains(scope)) { 4935 delegatePackagesWithScope.add(policy.mDelegationMap.keyAt(i)); 4936 } 4937 } 4938 return delegatePackagesWithScope; 4939 } 4940 } 4941 4942 /** 4943 * Check whether a caller application has been delegated a given scope via 4944 * {@link #setDelegatedScopes} to access privileged APIs on the behalf of a profile owner or 4945 * device owner. 4946 * <p> 4947 * This is done by checking that {@code callerPackage} was granted {@code scope} delegation and 4948 * then comparing the calling UID with the UID of {@code callerPackage} as reported by 4949 * {@link PackageManager#getPackageUidAsUser}. 4950 * 4951 * @param callerPackage the name of the package that is trying to invoke a function in the DPMS. 4952 * @param scope the delegation scope to be checked. 4953 * @return {@code true} if the calling process is a delegate of {@code scope}. 4954 */ 4955 private boolean isCallerDelegate(String callerPackage, String scope) { 4956 Preconditions.checkNotNull(callerPackage, "callerPackage is null"); 4957 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 4958 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 4959 } 4960 4961 // Retrieve the UID and user ID of the calling process. 4962 final int callingUid = mInjector.binderGetCallingUid(); 4963 final int userId = UserHandle.getUserId(callingUid); 4964 synchronized (this) { 4965 // Retrieve user policy data. 4966 final DevicePolicyData policy = getUserData(userId); 4967 // Retrieve the list of delegation scopes granted to callerPackage. 4968 final List<String> scopes = policy.mDelegationMap.get(callerPackage); 4969 // Check callingUid only if callerPackage has the required scope delegation. 4970 if (scopes != null && scopes.contains(scope)) { 4971 try { 4972 // Retrieve the expected UID for callerPackage. 4973 final int uid = mInjector.getPackageManager() 4974 .getPackageUidAsUser(callerPackage, userId); 4975 // Return true if the caller is actually callerPackage. 4976 return uid == callingUid; 4977 } catch (NameNotFoundException e) { 4978 // Ignore. 4979 } 4980 } 4981 return false; 4982 } 4983 } 4984 4985 /** 4986 * Throw a security exception if a ComponentName is given and it is not a device/profile owner 4987 * or if the calling process is not a delegate of the given scope. 4988 * 4989 * @param who the device owner of profile owner, or null if {@code callerPackage} is a 4990 * {@code scope} delegate. 4991 * @param callerPackage the name of the calling package. Required if {@code who} is 4992 * {@code null}. 4993 * @param reqPolicy the policy used in the API whose access permission is being checked. 4994 * @param scoppe the delegation scope corresponding to the API being checked. 4995 * @throws SecurityException if {@code who} is given and is not an owner for {@code reqPolicy}; 4996 * or when {@code who} is {@code null} and {@code callerPackage} is not a delegate 4997 * of {@code scope}. 4998 */ 4999 private void enforceCanManageScope(ComponentName who, String callerPackage, int reqPolicy, 5000 String scope) { 5001 // If a ComponentName is given ensure it is a device or profile owner according to policy. 5002 if (who != null) { 5003 synchronized (this) { 5004 getActiveAdminForCallerLocked(who, reqPolicy); 5005 } 5006 // If no ComponentName is given ensure calling process has scope delegation. 5007 } else if (!isCallerDelegate(callerPackage, scope)) { 5008 throw new SecurityException("Caller with uid " + mInjector.binderGetCallingUid() 5009 + " is not a delegate of scope " + scope + "."); 5010 } 5011 } 5012 5013 /** 5014 * Helper function to preserve delegation behavior pre-O when using the deprecated functions 5015 * {@code #setCertInstallerPackage} and {@code #setApplicationRestrictionsManagingPackage}. 5016 */ 5017 private void setDelegatedScopePreO(ComponentName who, 5018 String delegatePackage, String scope) { 5019 Preconditions.checkNotNull(who, "ComponentName is null"); 5020 5021 final int userId = mInjector.userHandleGetCallingUserId(); 5022 synchronized(this) { 5023 // Ensure calling process is device/profile owner. 5024 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5025 final DevicePolicyData policy = getUserData(userId); 5026 5027 if (delegatePackage != null) { 5028 // Set package as a delegate for scope if it is not already one. 5029 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 5030 if (scopes == null) { 5031 scopes = new ArrayList<>(); 5032 } 5033 if (!scopes.contains(scope)) { 5034 scopes.add(scope); 5035 setDelegatedScopes(who, delegatePackage, scopes); 5036 } 5037 } 5038 5039 // Clear any existing scope delegates. 5040 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5041 final String currentPackage = policy.mDelegationMap.keyAt(i); 5042 final List<String> currentScopes = policy.mDelegationMap.valueAt(i); 5043 5044 if (!currentPackage.equals(delegatePackage) && currentScopes.remove(scope)) { 5045 setDelegatedScopes(who, currentPackage, currentScopes); 5046 } 5047 } 5048 } 5049 } 5050 5051 @Override 5052 public void setCertInstallerPackage(ComponentName who, String installerPackage) 5053 throws SecurityException { 5054 setDelegatedScopePreO(who, installerPackage, DELEGATION_CERT_INSTALL); 5055 } 5056 5057 @Override 5058 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 5059 final List<String> delegatePackages = getDelegatePackages(who, DELEGATION_CERT_INSTALL); 5060 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 5061 } 5062 5063 /** 5064 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 5065 * not installed and therefore not available. 5066 * 5067 * @throws SecurityException if the caller is not a profile or device owner. 5068 * @throws UnsupportedOperationException if the package does not support being set as always-on. 5069 */ 5070 @Override 5071 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 5072 throws SecurityException { 5073 enforceProfileOrDeviceOwner(admin); 5074 5075 final int userId = mInjector.userHandleGetCallingUserId(); 5076 final long token = mInjector.binderClearCallingIdentity(); 5077 try { 5078 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 5079 return false; 5080 } 5081 ConnectivityManager connectivityManager = (ConnectivityManager) 5082 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5083 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 5084 throw new UnsupportedOperationException(); 5085 } 5086 } finally { 5087 mInjector.binderRestoreCallingIdentity(token); 5088 } 5089 return true; 5090 } 5091 5092 @Override 5093 public String getAlwaysOnVpnPackage(ComponentName admin) 5094 throws SecurityException { 5095 enforceProfileOrDeviceOwner(admin); 5096 5097 final int userId = mInjector.userHandleGetCallingUserId(); 5098 final long token = mInjector.binderClearCallingIdentity(); 5099 try{ 5100 ConnectivityManager connectivityManager = (ConnectivityManager) 5101 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5102 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 5103 } finally { 5104 mInjector.binderRestoreCallingIdentity(token); 5105 } 5106 } 5107 5108 private void forceWipeDeviceNoLock(boolean wipeExtRequested, String reason) { 5109 wtfIfInLock(); 5110 5111 if (wipeExtRequested) { 5112 StorageManager sm = (StorageManager) mContext.getSystemService( 5113 Context.STORAGE_SERVICE); 5114 sm.wipeAdoptableDisks(); 5115 } 5116 try { 5117 mInjector.recoverySystemRebootWipeUserData( 5118 /*shutdown=*/ false, reason, /*force=*/ true); 5119 } catch (IOException | SecurityException e) { 5120 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 5121 } 5122 } 5123 5124 private void forceWipeUser(int userId) { 5125 try { 5126 IActivityManager am = mInjector.getIActivityManager(); 5127 if (am.getCurrentUser().id == userId) { 5128 am.switchUser(UserHandle.USER_SYSTEM); 5129 } 5130 5131 boolean userRemoved = mUserManagerInternal.removeUserEvenWhenDisallowed(userId); 5132 if (!userRemoved) { 5133 Slog.w(LOG_TAG, "Couldn't remove user " + userId); 5134 } else if (isManagedProfile(userId)) { 5135 sendWipeProfileNotification(); 5136 } 5137 } catch (RemoteException re) { 5138 // Shouldn't happen 5139 } 5140 } 5141 5142 @Override 5143 public void wipeData(int flags) { 5144 if (!mHasFeature) { 5145 return; 5146 } 5147 enforceFullCrossUsersPermission(mInjector.userHandleGetCallingUserId()); 5148 5149 final ActiveAdmin admin; 5150 synchronized (this) { 5151 admin = getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_WIPE_DATA); 5152 } 5153 String reason = "DevicePolicyManager.wipeData() from " 5154 + admin.info.getComponent().flattenToShortString(); 5155 wipeDataNoLock( 5156 admin.info.getComponent(), flags, reason, admin.getUserHandle().getIdentifier()); 5157 } 5158 5159 private void wipeDataNoLock(ComponentName admin, int flags, String reason, int userId) { 5160 wtfIfInLock(); 5161 5162 long ident = mInjector.binderClearCallingIdentity(); 5163 try { 5164 // First check whether the admin is allowed to wipe the device/user/profile. 5165 final String restriction; 5166 if (userId == UserHandle.USER_SYSTEM) { 5167 restriction = UserManager.DISALLOW_FACTORY_RESET; 5168 } else if (isManagedProfile(userId)) { 5169 restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; 5170 } else { 5171 restriction = UserManager.DISALLOW_REMOVE_USER; 5172 } 5173 if (isAdminAffectedByRestriction(admin, restriction, userId)) { 5174 throw new SecurityException("Cannot wipe data. " + restriction 5175 + " restriction is set for user " + userId); 5176 } 5177 5178 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 5179 if (!isDeviceOwner(admin, userId)) { 5180 throw new SecurityException( 5181 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 5182 } 5183 PersistentDataBlockManager manager = (PersistentDataBlockManager) 5184 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 5185 if (manager != null) { 5186 manager.wipe(); 5187 } 5188 } 5189 5190 // TODO If split user is enabled and the device owner is set in the primary user 5191 // (rather than system), we should probably trigger factory reset. Current code just 5192 // removes that user (but still clears FRP...) 5193 if (userId == UserHandle.USER_SYSTEM) { 5194 forceWipeDeviceNoLock(/*wipeExtRequested=*/ (flags & WIPE_EXTERNAL_STORAGE) != 0, 5195 reason); 5196 } else { 5197 forceWipeUser(userId); 5198 } 5199 } finally { 5200 mInjector.binderRestoreCallingIdentity(ident); 5201 } 5202 } 5203 5204 private void sendWipeProfileNotification() { 5205 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 5206 Notification notification = new Notification.Builder(mContext) 5207 .setSmallIcon(android.R.drawable.stat_sys_warning) 5208 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 5209 .setContentText(contentText) 5210 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 5211 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 5212 .build(); 5213 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 5214 } 5215 5216 private void clearWipeProfileNotification() { 5217 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 5218 } 5219 5220 @Override 5221 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 5222 if (!mHasFeature) { 5223 return; 5224 } 5225 enforceFullCrossUsersPermission(userHandle); 5226 mContext.enforceCallingOrSelfPermission( 5227 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5228 5229 synchronized (this) { 5230 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 5231 if (admin == null) { 5232 result.sendResult(null); 5233 return; 5234 } 5235 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 5236 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 5237 intent.setComponent(admin.info.getComponent()); 5238 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 5239 null, new BroadcastReceiver() { 5240 @Override 5241 public void onReceive(Context context, Intent intent) { 5242 result.sendResult(getResultExtras(false)); 5243 } 5244 }, null, Activity.RESULT_OK, null, null); 5245 } 5246 } 5247 5248 @Override 5249 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 5250 if (!mHasFeature) { 5251 return; 5252 } 5253 enforceFullCrossUsersPermission(userHandle); 5254 mContext.enforceCallingOrSelfPermission( 5255 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5256 5257 // If the managed profile doesn't have a separate password, set the metrics to default 5258 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 5259 metrics = new PasswordMetrics(); 5260 } 5261 5262 validateQualityConstant(metrics.quality); 5263 DevicePolicyData policy = getUserData(userHandle); 5264 synchronized (this) { 5265 policy.mActivePasswordMetrics = metrics; 5266 } 5267 } 5268 5269 @Override 5270 public void reportPasswordChanged(@UserIdInt int userId) { 5271 if (!mHasFeature) { 5272 return; 5273 } 5274 enforceFullCrossUsersPermission(userId); 5275 5276 // Managed Profile password can only be changed when it has a separate challenge. 5277 if (!isSeparateProfileChallengeEnabled(userId)) { 5278 enforceNotManagedProfile(userId, "set the active password"); 5279 } 5280 5281 mContext.enforceCallingOrSelfPermission( 5282 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5283 5284 DevicePolicyData policy = getUserData(userId); 5285 5286 long ident = mInjector.binderClearCallingIdentity(); 5287 try { 5288 synchronized (this) { 5289 policy.mFailedPasswordAttempts = 0; 5290 saveSettingsLocked(userId); 5291 updatePasswordExpirationsLocked(userId); 5292 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 5293 5294 // Send a broadcast to each profile using this password as its primary unlock. 5295 sendAdminCommandForLockscreenPoliciesLocked( 5296 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 5297 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 5298 } 5299 removeCaApprovalsIfNeeded(userId); 5300 } finally { 5301 mInjector.binderRestoreCallingIdentity(ident); 5302 } 5303 } 5304 5305 /** 5306 * Called any time the device password is updated. Resets all password expiration clocks. 5307 */ 5308 private void updatePasswordExpirationsLocked(int userHandle) { 5309 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 5310 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 5311 userHandle, /* parent */ false); 5312 final int N = admins.size(); 5313 for (int i = 0; i < N; i++) { 5314 ActiveAdmin admin = admins.get(i); 5315 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 5316 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 5317 long timeout = admin.passwordExpirationTimeout; 5318 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 5319 admin.passwordExpirationDate = expiration; 5320 } 5321 } 5322 for (int affectedUserId : affectedUserIds) { 5323 saveSettingsLocked(affectedUserId); 5324 } 5325 } 5326 5327 @Override 5328 public void reportFailedPasswordAttempt(int userHandle) { 5329 enforceFullCrossUsersPermission(userHandle); 5330 if (!isSeparateProfileChallengeEnabled(userHandle)) { 5331 enforceNotManagedProfile(userHandle, 5332 "report failed password attempt if separate profile challenge is not in place"); 5333 } 5334 mContext.enforceCallingOrSelfPermission( 5335 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5336 5337 boolean wipeData = false; 5338 ActiveAdmin strictestAdmin = null; 5339 final long ident = mInjector.binderClearCallingIdentity(); 5340 try { 5341 synchronized (this) { 5342 DevicePolicyData policy = getUserData(userHandle); 5343 policy.mFailedPasswordAttempts++; 5344 saveSettingsLocked(userHandle); 5345 if (mHasFeature) { 5346 strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 5347 userHandle, /* parent */ false); 5348 int max = strictestAdmin != null 5349 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5350 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5351 wipeData = true; 5352 } 5353 5354 sendAdminCommandForLockscreenPoliciesLocked( 5355 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5356 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5357 } 5358 } 5359 } finally { 5360 mInjector.binderRestoreCallingIdentity(ident); 5361 } 5362 5363 if (wipeData && strictestAdmin != null) { 5364 final int userId = strictestAdmin.getUserHandle().getIdentifier(); 5365 Slog.i(LOG_TAG, "Max failed password attempts policy reached for admin: " 5366 + strictestAdmin.info.getComponent().flattenToShortString() 5367 + ". Calling wipeData for user " + userId); 5368 5369 // Attempt to wipe the device/user/profile associated with the admin, as if the 5370 // admin had called wipeData(). That way we can check whether the admin is actually 5371 // allowed to wipe the device (e.g. a regular device admin shouldn't be able to wipe the 5372 // device if the device owner has set DISALLOW_FACTORY_RESET, but the DO should be 5373 // able to do so). 5374 // IMPORTANT: Call without holding the lock to prevent deadlock. 5375 try { 5376 wipeDataNoLock(strictestAdmin.info.getComponent(), 5377 /*flags=*/ 0, 5378 /*reason=*/ "reportFailedPasswordAttempt()", 5379 userId); 5380 } catch (SecurityException e) { 5381 Slog.w(LOG_TAG, "Failed to wipe user " + userId 5382 + " after max failed password attempts reached.", e); 5383 } 5384 } 5385 5386 if (mInjector.securityLogIsLoggingEnabled()) { 5387 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5388 /*method strength*/ 1); 5389 } 5390 } 5391 5392 @Override 5393 public void reportSuccessfulPasswordAttempt(int userHandle) { 5394 enforceFullCrossUsersPermission(userHandle); 5395 mContext.enforceCallingOrSelfPermission( 5396 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5397 5398 synchronized (this) { 5399 DevicePolicyData policy = getUserData(userHandle); 5400 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5401 long ident = mInjector.binderClearCallingIdentity(); 5402 try { 5403 policy.mFailedPasswordAttempts = 0; 5404 policy.mPasswordOwner = -1; 5405 saveSettingsLocked(userHandle); 5406 if (mHasFeature) { 5407 sendAdminCommandForLockscreenPoliciesLocked( 5408 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5409 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5410 } 5411 } finally { 5412 mInjector.binderRestoreCallingIdentity(ident); 5413 } 5414 } 5415 } 5416 5417 if (mInjector.securityLogIsLoggingEnabled()) { 5418 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5419 /*method strength*/ 1); 5420 } 5421 } 5422 5423 @Override 5424 public void reportFailedFingerprintAttempt(int userHandle) { 5425 enforceFullCrossUsersPermission(userHandle); 5426 mContext.enforceCallingOrSelfPermission( 5427 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5428 if (mInjector.securityLogIsLoggingEnabled()) { 5429 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5430 /*method strength*/ 0); 5431 } 5432 } 5433 5434 @Override 5435 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5436 enforceFullCrossUsersPermission(userHandle); 5437 mContext.enforceCallingOrSelfPermission( 5438 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5439 if (mInjector.securityLogIsLoggingEnabled()) { 5440 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5441 /*method strength*/ 0); 5442 } 5443 } 5444 5445 @Override 5446 public void reportKeyguardDismissed(int userHandle) { 5447 enforceFullCrossUsersPermission(userHandle); 5448 mContext.enforceCallingOrSelfPermission( 5449 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5450 5451 if (mInjector.securityLogIsLoggingEnabled()) { 5452 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5453 } 5454 } 5455 5456 @Override 5457 public void reportKeyguardSecured(int userHandle) { 5458 enforceFullCrossUsersPermission(userHandle); 5459 mContext.enforceCallingOrSelfPermission( 5460 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5461 5462 if (mInjector.securityLogIsLoggingEnabled()) { 5463 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5464 } 5465 } 5466 5467 @Override 5468 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5469 String exclusionList) { 5470 if (!mHasFeature) { 5471 return null; 5472 } 5473 synchronized(this) { 5474 Preconditions.checkNotNull(who, "ComponentName is null"); 5475 5476 // Only check if system user has set global proxy. We don't allow other users to set it. 5477 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5478 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5479 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5480 5481 // Scan through active admins and find if anyone has already 5482 // set the global proxy. 5483 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5484 for (ComponentName component : compSet) { 5485 ActiveAdmin ap = policy.mAdminMap.get(component); 5486 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5487 // Another admin already sets the global proxy 5488 // Return it to the caller. 5489 return component; 5490 } 5491 } 5492 5493 // If the user is not system, don't set the global proxy. Fail silently. 5494 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5495 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5496 + UserHandle.getCallingUserId() + " is not permitted."); 5497 return null; 5498 } 5499 if (proxySpec == null) { 5500 admin.specifiesGlobalProxy = false; 5501 admin.globalProxySpec = null; 5502 admin.globalProxyExclusionList = null; 5503 } else { 5504 5505 admin.specifiesGlobalProxy = true; 5506 admin.globalProxySpec = proxySpec; 5507 admin.globalProxyExclusionList = exclusionList; 5508 } 5509 5510 // Reset the global proxy accordingly 5511 // Do this using system permissions, as apps cannot write to secure settings 5512 long origId = mInjector.binderClearCallingIdentity(); 5513 try { 5514 resetGlobalProxyLocked(policy); 5515 } finally { 5516 mInjector.binderRestoreCallingIdentity(origId); 5517 } 5518 return null; 5519 } 5520 } 5521 5522 @Override 5523 public ComponentName getGlobalProxyAdmin(int userHandle) { 5524 if (!mHasFeature) { 5525 return null; 5526 } 5527 enforceFullCrossUsersPermission(userHandle); 5528 synchronized(this) { 5529 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5530 // Scan through active admins and find if anyone has already 5531 // set the global proxy. 5532 final int N = policy.mAdminList.size(); 5533 for (int i = 0; i < N; i++) { 5534 ActiveAdmin ap = policy.mAdminList.get(i); 5535 if (ap.specifiesGlobalProxy) { 5536 // Device admin sets the global proxy 5537 // Return it to the caller. 5538 return ap.info.getComponent(); 5539 } 5540 } 5541 } 5542 // No device admin sets the global proxy. 5543 return null; 5544 } 5545 5546 @Override 5547 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5548 synchronized (this) { 5549 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5550 } 5551 long token = mInjector.binderClearCallingIdentity(); 5552 try { 5553 ConnectivityManager connectivityManager = (ConnectivityManager) 5554 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5555 connectivityManager.setGlobalProxy(proxyInfo); 5556 } finally { 5557 mInjector.binderRestoreCallingIdentity(token); 5558 } 5559 } 5560 5561 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5562 final int N = policy.mAdminList.size(); 5563 for (int i = 0; i < N; i++) { 5564 ActiveAdmin ap = policy.mAdminList.get(i); 5565 if (ap.specifiesGlobalProxy) { 5566 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5567 return; 5568 } 5569 } 5570 // No device admins defining global proxies - reset global proxy settings to none 5571 saveGlobalProxyLocked(null, null); 5572 } 5573 5574 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5575 if (exclusionList == null) { 5576 exclusionList = ""; 5577 } 5578 if (proxySpec == null) { 5579 proxySpec = ""; 5580 } 5581 // Remove white spaces 5582 proxySpec = proxySpec.trim(); 5583 String data[] = proxySpec.split(":"); 5584 int proxyPort = 8080; 5585 if (data.length > 1) { 5586 try { 5587 proxyPort = Integer.parseInt(data[1]); 5588 } catch (NumberFormatException e) {} 5589 } 5590 exclusionList = exclusionList.trim(); 5591 5592 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5593 if (!proxyProperties.isValid()) { 5594 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5595 return; 5596 } 5597 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5598 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5599 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5600 exclusionList); 5601 } 5602 5603 /** 5604 * Set the storage encryption request for a single admin. Returns the new total request 5605 * status (for all admins). 5606 */ 5607 @Override 5608 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5609 if (!mHasFeature) { 5610 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5611 } 5612 Preconditions.checkNotNull(who, "ComponentName is null"); 5613 final int userHandle = UserHandle.getCallingUserId(); 5614 synchronized (this) { 5615 // Check for permissions 5616 // Only system user can set storage encryption 5617 if (userHandle != UserHandle.USER_SYSTEM) { 5618 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5619 + UserHandle.getCallingUserId() + " is not permitted."); 5620 return 0; 5621 } 5622 5623 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5624 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5625 5626 // Quick exit: If the filesystem does not support encryption, we can exit early. 5627 if (!isEncryptionSupported()) { 5628 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5629 } 5630 5631 // (1) Record the value for the admin so it's sticky 5632 if (ap.encryptionRequested != encrypt) { 5633 ap.encryptionRequested = encrypt; 5634 saveSettingsLocked(userHandle); 5635 } 5636 5637 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5638 // (2) Compute "max" for all admins 5639 boolean newRequested = false; 5640 final int N = policy.mAdminList.size(); 5641 for (int i = 0; i < N; i++) { 5642 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5643 } 5644 5645 // Notify OS of new request 5646 setEncryptionRequested(newRequested); 5647 5648 // Return the new global request status 5649 return newRequested 5650 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5651 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5652 } 5653 } 5654 5655 /** 5656 * Get the current storage encryption request status for a given admin, or aggregate of all 5657 * active admins. 5658 */ 5659 @Override 5660 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5661 if (!mHasFeature) { 5662 return false; 5663 } 5664 enforceFullCrossUsersPermission(userHandle); 5665 synchronized (this) { 5666 // Check for permissions if a particular caller is specified 5667 if (who != null) { 5668 // When checking for a single caller, status is based on caller's request 5669 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5670 return ap != null ? ap.encryptionRequested : false; 5671 } 5672 5673 // If no particular caller is specified, return the aggregate set of requests. 5674 // This is short circuited by returning true on the first hit. 5675 DevicePolicyData policy = getUserData(userHandle); 5676 final int N = policy.mAdminList.size(); 5677 for (int i = 0; i < N; i++) { 5678 if (policy.mAdminList.get(i).encryptionRequested) { 5679 return true; 5680 } 5681 } 5682 return false; 5683 } 5684 } 5685 5686 /** 5687 * Get the current encryption status of the device. 5688 */ 5689 @Override 5690 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5691 if (!mHasFeature) { 5692 // Ok to return current status. 5693 } 5694 enforceFullCrossUsersPermission(userHandle); 5695 5696 // It's not critical here, but let's make sure the package name is correct, in case 5697 // we start using it for different purposes. 5698 ensureCallerPackage(callerPackage); 5699 5700 final ApplicationInfo ai; 5701 try { 5702 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5703 } catch (RemoteException e) { 5704 throw new SecurityException(e); 5705 } 5706 5707 boolean legacyApp = false; 5708 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5709 legacyApp = true; 5710 } 5711 5712 final int rawStatus = getEncryptionStatus(); 5713 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5714 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5715 } 5716 return rawStatus; 5717 } 5718 5719 /** 5720 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5721 */ 5722 private boolean isEncryptionSupported() { 5723 // Note, this can be implemented as 5724 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5725 // But is provided as a separate internal method if there's a faster way to do a 5726 // simple check for supported-or-not. 5727 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5728 } 5729 5730 /** 5731 * Hook to low-levels: Reporting the current status of encryption. 5732 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5733 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5734 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5735 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5736 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5737 */ 5738 private int getEncryptionStatus() { 5739 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5740 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5741 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5742 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5743 } else if (mInjector.storageManagerIsEncrypted()) { 5744 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5745 } else if (mInjector.storageManagerIsEncryptable()) { 5746 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5747 } else { 5748 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5749 } 5750 } 5751 5752 /** 5753 * Hook to low-levels: If needed, record the new admin setting for encryption. 5754 */ 5755 private void setEncryptionRequested(boolean encrypt) { 5756 } 5757 5758 /** 5759 * Set whether the screen capture is disabled for the user managed by the specified admin. 5760 */ 5761 @Override 5762 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5763 if (!mHasFeature) { 5764 return; 5765 } 5766 Preconditions.checkNotNull(who, "ComponentName is null"); 5767 final int userHandle = UserHandle.getCallingUserId(); 5768 synchronized (this) { 5769 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5770 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5771 if (ap.disableScreenCapture != disabled) { 5772 ap.disableScreenCapture = disabled; 5773 saveSettingsLocked(userHandle); 5774 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5775 } 5776 } 5777 } 5778 5779 /** 5780 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5781 * active admin (if given admin is null). 5782 */ 5783 @Override 5784 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5785 if (!mHasFeature) { 5786 return false; 5787 } 5788 synchronized (this) { 5789 if (who != null) { 5790 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5791 return (admin != null) ? admin.disableScreenCapture : false; 5792 } 5793 5794 DevicePolicyData policy = getUserData(userHandle); 5795 final int N = policy.mAdminList.size(); 5796 for (int i = 0; i < N; i++) { 5797 ActiveAdmin admin = policy.mAdminList.get(i); 5798 if (admin.disableScreenCapture) { 5799 return true; 5800 } 5801 } 5802 return false; 5803 } 5804 } 5805 5806 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5807 final boolean disabled) { 5808 mHandler.post(new Runnable() { 5809 @Override 5810 public void run() { 5811 try { 5812 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5813 } catch (RemoteException e) { 5814 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5815 } 5816 } 5817 }); 5818 } 5819 5820 /** 5821 * Set whether auto time is required by the specified admin (must be device or profile owner). 5822 */ 5823 @Override 5824 public void setAutoTimeRequired(ComponentName who, boolean required) { 5825 if (!mHasFeature) { 5826 return; 5827 } 5828 Preconditions.checkNotNull(who, "ComponentName is null"); 5829 final int userHandle = UserHandle.getCallingUserId(); 5830 synchronized (this) { 5831 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5832 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5833 if (admin.requireAutoTime != required) { 5834 admin.requireAutoTime = required; 5835 saveSettingsLocked(userHandle); 5836 } 5837 } 5838 5839 // Turn AUTO_TIME on in settings if it is required 5840 if (required) { 5841 long ident = mInjector.binderClearCallingIdentity(); 5842 try { 5843 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5844 } finally { 5845 mInjector.binderRestoreCallingIdentity(ident); 5846 } 5847 } 5848 } 5849 5850 /** 5851 * Returns whether or not auto time is required by the device owner or any profile owner. 5852 */ 5853 @Override 5854 public boolean getAutoTimeRequired() { 5855 if (!mHasFeature) { 5856 return false; 5857 } 5858 synchronized (this) { 5859 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5860 if (deviceOwner != null && deviceOwner.requireAutoTime) { 5861 // If the device owner enforces auto time, we don't need to check the PO's 5862 return true; 5863 } 5864 5865 // Now check to see if any profile owner on any user enforces auto time 5866 for (Integer userId : mOwners.getProfileOwnerKeys()) { 5867 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 5868 if (profileOwner != null && profileOwner.requireAutoTime) { 5869 return true; 5870 } 5871 } 5872 5873 return false; 5874 } 5875 } 5876 5877 @Override 5878 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5879 if (!mHasFeature) { 5880 return; 5881 } 5882 Preconditions.checkNotNull(who, "ComponentName is null"); 5883 // Allow setting this policy to true only if there is a split system user. 5884 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5885 throw new UnsupportedOperationException( 5886 "Cannot force ephemeral users on systems without split system user."); 5887 } 5888 boolean removeAllUsers = false; 5889 synchronized (this) { 5890 final ActiveAdmin deviceOwner = 5891 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5892 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5893 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5894 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5895 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5896 removeAllUsers = forceEphemeralUsers; 5897 } 5898 } 5899 if (removeAllUsers) { 5900 long identitity = mInjector.binderClearCallingIdentity(); 5901 try { 5902 mUserManagerInternal.removeAllUsers(); 5903 } finally { 5904 mInjector.binderRestoreCallingIdentity(identitity); 5905 } 5906 } 5907 } 5908 5909 @Override 5910 public boolean getForceEphemeralUsers(ComponentName who) { 5911 if (!mHasFeature) { 5912 return false; 5913 } 5914 Preconditions.checkNotNull(who, "ComponentName is null"); 5915 synchronized (this) { 5916 final ActiveAdmin deviceOwner = 5917 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5918 return deviceOwner.forceEphemeralUsers; 5919 } 5920 } 5921 5922 private void ensureDeviceOwnerAndAllUsersAffiliated(ComponentName who) throws SecurityException { 5923 synchronized (this) { 5924 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5925 if (!areAllUsersAffiliatedWithDeviceLocked()) { 5926 throw new SecurityException("Not all users are affiliated."); 5927 } 5928 } 5929 } 5930 5931 @Override 5932 public boolean requestBugreport(ComponentName who) { 5933 if (!mHasFeature) { 5934 return false; 5935 } 5936 Preconditions.checkNotNull(who, "ComponentName is null"); 5937 5938 // TODO: If an unaffiliated user is removed, the admin will be able to request a bugreport 5939 // which could still contain data related to that user. Should we disallow that, e.g. until 5940 // next boot? Might not be needed given that this still requires user consent. 5941 ensureDeviceOwnerAndAllUsersAffiliated(who); 5942 5943 if (mRemoteBugreportServiceIsActive.get() 5944 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5945 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5946 return false; 5947 } 5948 5949 final long currentTime = System.currentTimeMillis(); 5950 synchronized (this) { 5951 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 5952 if (currentTime > policyData.mLastBugReportRequestTime) { 5953 policyData.mLastBugReportRequestTime = currentTime; 5954 saveSettingsLocked(UserHandle.USER_SYSTEM); 5955 } 5956 } 5957 5958 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5959 try { 5960 mInjector.getIActivityManager().requestBugReport( 5961 ActivityManager.BUGREPORT_OPTION_REMOTE); 5962 5963 mRemoteBugreportServiceIsActive.set(true); 5964 mRemoteBugreportSharingAccepted.set(false); 5965 registerRemoteBugreportReceivers(); 5966 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 5967 RemoteBugreportUtils.NOTIFICATION_ID, 5968 RemoteBugreportUtils.buildNotification(mContext, 5969 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5970 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5971 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5972 return true; 5973 } catch (RemoteException re) { 5974 // should never happen 5975 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5976 return false; 5977 } finally { 5978 mInjector.binderRestoreCallingIdentity(callingIdentity); 5979 } 5980 } 5981 5982 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5983 Intent intent = new Intent(action); 5984 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5985 if (extras != null) { 5986 intent.putExtras(extras); 5987 } 5988 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5989 } 5990 5991 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5992 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5993 } 5994 5995 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5996 String bugreportHash) { 5997 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5998 } 5999 6000 private void registerRemoteBugreportReceivers() { 6001 try { 6002 IntentFilter filterFinished = new IntentFilter( 6003 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 6004 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6005 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 6006 } catch (IntentFilter.MalformedMimeTypeException e) { 6007 // should never happen, as setting a constant 6008 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 6009 } 6010 IntentFilter filterConsent = new IntentFilter(); 6011 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 6012 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 6013 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 6014 } 6015 6016 private void onBugreportFinished(Intent intent) { 6017 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6018 mRemoteBugreportServiceIsActive.set(false); 6019 Uri bugreportUri = intent.getData(); 6020 String bugreportUriString = null; 6021 if (bugreportUri != null) { 6022 bugreportUriString = bugreportUri.toString(); 6023 } 6024 String bugreportHash = intent.getStringExtra( 6025 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 6026 if (mRemoteBugreportSharingAccepted.get()) { 6027 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6028 mInjector.getNotificationManager().cancel(LOG_TAG, 6029 RemoteBugreportUtils.NOTIFICATION_ID); 6030 } else { 6031 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 6032 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6033 RemoteBugreportUtils.buildNotification(mContext, 6034 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 6035 UserHandle.ALL); 6036 } 6037 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6038 } 6039 6040 private void onBugreportFailed() { 6041 mRemoteBugreportServiceIsActive.set(false); 6042 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6043 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6044 mRemoteBugreportSharingAccepted.set(false); 6045 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6046 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 6047 Bundle extras = new Bundle(); 6048 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6049 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 6050 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6051 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 6052 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6053 } 6054 6055 private void onBugreportSharingAccepted() { 6056 mRemoteBugreportSharingAccepted.set(true); 6057 String bugreportUriString = null; 6058 String bugreportHash = null; 6059 synchronized (this) { 6060 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 6061 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 6062 } 6063 if (bugreportUriString != null) { 6064 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6065 } else if (mRemoteBugreportServiceIsActive.get()) { 6066 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6067 RemoteBugreportUtils.buildNotification(mContext, 6068 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 6069 UserHandle.ALL); 6070 } 6071 } 6072 6073 private void onBugreportSharingDeclined() { 6074 if (mRemoteBugreportServiceIsActive.get()) { 6075 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6076 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6077 mRemoteBugreportServiceIsActive.set(false); 6078 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6079 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6080 } 6081 mRemoteBugreportSharingAccepted.set(false); 6082 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6083 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 6084 } 6085 6086 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 6087 String bugreportHash) { 6088 ParcelFileDescriptor pfd = null; 6089 try { 6090 if (bugreportUriString == null) { 6091 throw new FileNotFoundException(); 6092 } 6093 Uri bugreportUri = Uri.parse(bugreportUriString); 6094 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 6095 6096 synchronized (this) { 6097 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 6098 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6099 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6100 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 6101 intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6102 6103 LocalServices.getService(ActivityManagerInternal.class) 6104 .grantUriPermissionFromIntent(Process.SHELL_UID, 6105 mOwners.getDeviceOwnerComponent().getPackageName(), 6106 intent, mOwners.getDeviceOwnerUserId()); 6107 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6108 } 6109 } catch (FileNotFoundException e) { 6110 Bundle extras = new Bundle(); 6111 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6112 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 6113 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6114 } finally { 6115 try { 6116 if (pfd != null) { 6117 pfd.close(); 6118 } 6119 } catch (IOException ex) { 6120 // Ignore 6121 } 6122 mRemoteBugreportSharingAccepted.set(false); 6123 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6124 } 6125 } 6126 6127 /** 6128 * Disables all device cameras according to the specified admin. 6129 */ 6130 @Override 6131 public void setCameraDisabled(ComponentName who, boolean disabled) { 6132 if (!mHasFeature) { 6133 return; 6134 } 6135 Preconditions.checkNotNull(who, "ComponentName is null"); 6136 final int userHandle = mInjector.userHandleGetCallingUserId(); 6137 synchronized (this) { 6138 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 6139 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 6140 if (ap.disableCamera != disabled) { 6141 ap.disableCamera = disabled; 6142 saveSettingsLocked(userHandle); 6143 } 6144 } 6145 // Tell the user manager that the restrictions have changed. 6146 pushUserRestrictions(userHandle); 6147 } 6148 6149 /** 6150 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 6151 * active admins. 6152 */ 6153 @Override 6154 public boolean getCameraDisabled(ComponentName who, int userHandle) { 6155 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 6156 } 6157 6158 private boolean getCameraDisabled(ComponentName who, int userHandle, 6159 boolean mergeDeviceOwnerRestriction) { 6160 if (!mHasFeature) { 6161 return false; 6162 } 6163 synchronized (this) { 6164 if (who != null) { 6165 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6166 return (admin != null) ? admin.disableCamera : false; 6167 } 6168 // First, see if DO has set it. If so, it's device-wide. 6169 if (mergeDeviceOwnerRestriction) { 6170 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6171 if (deviceOwner != null && deviceOwner.disableCamera) { 6172 return true; 6173 } 6174 } 6175 6176 // Then check each device admin on the user. 6177 DevicePolicyData policy = getUserData(userHandle); 6178 // Determine whether or not the device camera is disabled for any active admins. 6179 final int N = policy.mAdminList.size(); 6180 for (int i = 0; i < N; i++) { 6181 ActiveAdmin admin = policy.mAdminList.get(i); 6182 if (admin.disableCamera) { 6183 return true; 6184 } 6185 } 6186 return false; 6187 } 6188 } 6189 6190 @Override 6191 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 6192 if (!mHasFeature) { 6193 return; 6194 } 6195 Preconditions.checkNotNull(who, "ComponentName is null"); 6196 final int userHandle = mInjector.userHandleGetCallingUserId(); 6197 if (isManagedProfile(userHandle)) { 6198 if (parent) { 6199 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 6200 } else { 6201 which = which & PROFILE_KEYGUARD_FEATURES; 6202 } 6203 } 6204 synchronized (this) { 6205 ActiveAdmin ap = getActiveAdminForCallerLocked( 6206 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6207 if (ap.disabledKeyguardFeatures != which) { 6208 ap.disabledKeyguardFeatures = which; 6209 saveSettingsLocked(userHandle); 6210 } 6211 } 6212 } 6213 6214 /** 6215 * Gets the disabled state for features in keyguard for the given admin, 6216 * or the aggregate of all active admins if who is null. 6217 */ 6218 @Override 6219 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 6220 if (!mHasFeature) { 6221 return 0; 6222 } 6223 enforceFullCrossUsersPermission(userHandle); 6224 final long ident = mInjector.binderClearCallingIdentity(); 6225 try { 6226 synchronized (this) { 6227 if (who != null) { 6228 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 6229 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 6230 } 6231 6232 final List<ActiveAdmin> admins; 6233 if (!parent && isManagedProfile(userHandle)) { 6234 // If we are being asked about a managed profile, just return keyguard features 6235 // disabled by admins in the profile. 6236 admins = getUserDataUnchecked(userHandle).mAdminList; 6237 } else { 6238 // Otherwise return those set by admins in the user and its profiles. 6239 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6240 } 6241 6242 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 6243 final int N = admins.size(); 6244 for (int i = 0; i < N; i++) { 6245 ActiveAdmin admin = admins.get(i); 6246 int userId = admin.getUserHandle().getIdentifier(); 6247 boolean isRequestedUser = !parent && (userId == userHandle); 6248 if (isRequestedUser || !isManagedProfile(userId)) { 6249 // If we are being asked explicitly about this user 6250 // return all disabled features even if its a managed profile. 6251 which |= admin.disabledKeyguardFeatures; 6252 } else { 6253 // Otherwise a managed profile is only allowed to disable 6254 // some features on the parent user. 6255 which |= (admin.disabledKeyguardFeatures 6256 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 6257 } 6258 } 6259 return which; 6260 } 6261 } finally { 6262 mInjector.binderRestoreCallingIdentity(ident); 6263 } 6264 } 6265 6266 @Override 6267 public void setKeepUninstalledPackages(ComponentName who, String callerPackage, 6268 List<String> packageList) { 6269 if (!mHasFeature) { 6270 return; 6271 } 6272 Preconditions.checkNotNull(packageList, "packageList is null"); 6273 final int userHandle = UserHandle.getCallingUserId(); 6274 synchronized (this) { 6275 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6276 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6277 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6278 // Get the device owner 6279 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6280 // Set list of packages to be kept even if uninstalled. 6281 deviceOwner.keepUninstalledPackages = packageList; 6282 // Save settings. 6283 saveSettingsLocked(userHandle); 6284 // Notify package manager. 6285 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 6286 } 6287 } 6288 6289 @Override 6290 public List<String> getKeepUninstalledPackages(ComponentName who, String callerPackage) { 6291 if (!mHasFeature) { 6292 return null; 6293 } 6294 // TODO In split system user mode, allow apps on user 0 to query the list 6295 synchronized (this) { 6296 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6297 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6298 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6299 return getKeepUninstalledPackagesLocked(); 6300 } 6301 } 6302 6303 private List<String> getKeepUninstalledPackagesLocked() { 6304 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6305 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 6306 } 6307 6308 @Override 6309 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 6310 if (!mHasFeature) { 6311 return false; 6312 } 6313 if (admin == null 6314 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 6315 throw new IllegalArgumentException("Invalid component " + admin 6316 + " for device owner"); 6317 } 6318 final boolean hasIncompatibleAccountsOrNonAdb = 6319 hasIncompatibleAccountsOrNonAdbNoLock(userId, admin); 6320 synchronized (this) { 6321 enforceCanSetDeviceOwnerLocked(admin, userId, hasIncompatibleAccountsOrNonAdb); 6322 final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); 6323 if (activeAdmin == null 6324 || getUserData(userId).mRemovingAdmins.contains(admin)) { 6325 throw new IllegalArgumentException("Not active admin: " + admin); 6326 } 6327 6328 // Shutting down backup manager service permanently. 6329 long ident = mInjector.binderClearCallingIdentity(); 6330 try { 6331 if (mInjector.getIBackupManager() != null) { 6332 mInjector.getIBackupManager() 6333 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 6334 } 6335 } catch (RemoteException e) { 6336 throw new IllegalStateException("Failed deactivating backup service.", e); 6337 } finally { 6338 mInjector.binderRestoreCallingIdentity(ident); 6339 } 6340 6341 if (isAdb()) { 6342 // Log device owner provisioning was started using adb. 6343 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 6344 } 6345 6346 mOwners.setDeviceOwner(admin, ownerName, userId); 6347 mOwners.writeDeviceOwner(); 6348 updateDeviceOwnerLocked(); 6349 setDeviceOwnerSystemPropertyLocked(); 6350 6351 final Set<String> restrictions = 6352 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); 6353 if (!restrictions.isEmpty()) { 6354 for (String restriction : restrictions) { 6355 activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); 6356 } 6357 activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); 6358 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); 6359 6360 saveUserRestrictionsLocked(userId); 6361 } 6362 6363 ident = mInjector.binderClearCallingIdentity(); 6364 try { 6365 // TODO Send to system too? 6366 mContext.sendBroadcastAsUser( 6367 new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED) 6368 .addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND), 6369 UserHandle.of(userId)); 6370 } finally { 6371 mInjector.binderRestoreCallingIdentity(ident); 6372 } 6373 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 6374 return true; 6375 } 6376 } 6377 6378 @Override 6379 public boolean hasDeviceOwner() { 6380 enforceDeviceOwnerOrManageUsers(); 6381 return mOwners.hasDeviceOwner(); 6382 } 6383 6384 boolean isDeviceOwner(ActiveAdmin admin) { 6385 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6386 } 6387 6388 public boolean isDeviceOwner(ComponentName who, int userId) { 6389 synchronized (this) { 6390 return mOwners.hasDeviceOwner() 6391 && mOwners.getDeviceOwnerUserId() == userId 6392 && mOwners.getDeviceOwnerComponent().equals(who); 6393 } 6394 } 6395 6396 private boolean isDeviceOwnerPackage(String packageName, int userId) { 6397 synchronized (this) { 6398 return mOwners.hasDeviceOwner() 6399 && mOwners.getDeviceOwnerUserId() == userId 6400 && mOwners.getDeviceOwnerPackageName().equals(packageName); 6401 } 6402 } 6403 6404 private boolean isProfileOwnerPackage(String packageName, int userId) { 6405 synchronized (this) { 6406 return mOwners.hasProfileOwner(userId) 6407 && mOwners.getProfileOwnerPackage(userId).equals(packageName); 6408 } 6409 } 6410 6411 public boolean isProfileOwner(ComponentName who, int userId) { 6412 final ComponentName profileOwner = getProfileOwner(userId); 6413 return who != null && who.equals(profileOwner); 6414 } 6415 6416 @Override 6417 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6418 if (!mHasFeature) { 6419 return null; 6420 } 6421 if (!callingUserOnly) { 6422 enforceManageUsers(); 6423 } 6424 synchronized (this) { 6425 if (!mOwners.hasDeviceOwner()) { 6426 return null; 6427 } 6428 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6429 mOwners.getDeviceOwnerUserId()) { 6430 return null; 6431 } 6432 return mOwners.getDeviceOwnerComponent(); 6433 } 6434 } 6435 6436 @Override 6437 public int getDeviceOwnerUserId() { 6438 if (!mHasFeature) { 6439 return UserHandle.USER_NULL; 6440 } 6441 enforceManageUsers(); 6442 synchronized (this) { 6443 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6444 } 6445 } 6446 6447 /** 6448 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6449 * MANAGE_USERS. 6450 */ 6451 @Override 6452 public String getDeviceOwnerName() { 6453 if (!mHasFeature) { 6454 return null; 6455 } 6456 enforceManageUsers(); 6457 synchronized (this) { 6458 if (!mOwners.hasDeviceOwner()) { 6459 return null; 6460 } 6461 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6462 // Should setDeviceOwner/ProfileOwner still take a name? 6463 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6464 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6465 } 6466 } 6467 6468 /** Returns the active device owner or {@code null} if there is no device owner. */ 6469 @VisibleForTesting 6470 ActiveAdmin getDeviceOwnerAdminLocked() { 6471 ComponentName component = mOwners.getDeviceOwnerComponent(); 6472 if (component == null) { 6473 return null; 6474 } 6475 6476 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6477 final int n = policy.mAdminList.size(); 6478 for (int i = 0; i < n; i++) { 6479 ActiveAdmin admin = policy.mAdminList.get(i); 6480 if (component.equals(admin.info.getComponent())) { 6481 return admin; 6482 } 6483 } 6484 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6485 return null; 6486 } 6487 6488 @Override 6489 public void clearDeviceOwner(String packageName) { 6490 Preconditions.checkNotNull(packageName, "packageName is null"); 6491 final int callingUid = mInjector.binderGetCallingUid(); 6492 try { 6493 int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, 6494 UserHandle.getUserId(callingUid)); 6495 if (uid != callingUid) { 6496 throw new SecurityException("Invalid packageName"); 6497 } 6498 } catch (NameNotFoundException e) { 6499 throw new SecurityException(e); 6500 } 6501 synchronized (this) { 6502 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6503 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6504 if (!mOwners.hasDeviceOwner() 6505 || !deviceOwnerComponent.getPackageName().equals(packageName) 6506 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6507 throw new SecurityException( 6508 "clearDeviceOwner can only be called by the device owner"); 6509 } 6510 enforceUserUnlocked(deviceOwnerUserId); 6511 6512 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6513 long ident = mInjector.binderClearCallingIdentity(); 6514 try { 6515 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6516 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6517 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6518 intent.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND); 6519 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6520 } finally { 6521 mInjector.binderRestoreCallingIdentity(ident); 6522 } 6523 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6524 } 6525 } 6526 6527 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6528 if (admin != null) { 6529 admin.disableCamera = false; 6530 admin.userRestrictions = null; 6531 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6532 admin.forceEphemeralUsers = false; 6533 admin.isNetworkLoggingEnabled = false; 6534 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6535 final DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6536 policyData.mLastSecurityLogRetrievalTime = -1; 6537 policyData.mLastBugReportRequestTime = -1; 6538 policyData.mLastNetworkLogsRetrievalTime = -1; 6539 saveSettingsLocked(UserHandle.USER_SYSTEM); 6540 } 6541 clearUserPoliciesLocked(userId); 6542 6543 mOwners.clearDeviceOwner(); 6544 mOwners.writeDeviceOwner(); 6545 updateDeviceOwnerLocked(); 6546 6547 mInjector.securityLogSetLoggingEnabledProperty(false); 6548 mSecurityLogMonitor.stop(); 6549 setNetworkLoggingActiveInternal(false); 6550 6551 try { 6552 if (mInjector.getIBackupManager() != null) { 6553 // Reactivate backup service. 6554 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6555 } 6556 } catch (RemoteException e) { 6557 throw new IllegalStateException("Failed reactivating backup service.", e); 6558 } 6559 } 6560 6561 @Override 6562 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6563 if (!mHasFeature) { 6564 return false; 6565 } 6566 if (who == null 6567 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6568 throw new IllegalArgumentException("Component " + who 6569 + " not installed for userId:" + userHandle); 6570 } 6571 final boolean hasIncompatibleAccountsOrNonAdb = 6572 hasIncompatibleAccountsOrNonAdbNoLock(userHandle, who); 6573 synchronized (this) { 6574 enforceCanSetProfileOwnerLocked(who, userHandle, hasIncompatibleAccountsOrNonAdb); 6575 6576 if (getActiveAdminUncheckedLocked(who, userHandle) == null 6577 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6578 throw new IllegalArgumentException("Not active admin: " + who); 6579 } 6580 6581 if (isAdb()) { 6582 // Log profile owner provisioning was started using adb. 6583 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6584 } 6585 6586 mOwners.setProfileOwner(who, ownerName, userHandle); 6587 mOwners.writeProfileOwner(userHandle); 6588 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6589 6590 return true; 6591 } 6592 } 6593 6594 @Override 6595 public void clearProfileOwner(ComponentName who) { 6596 if (!mHasFeature) { 6597 return; 6598 } 6599 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 6600 final int userId = callingUser.getIdentifier(); 6601 enforceNotManagedProfile(userId, "clear profile owner"); 6602 enforceUserUnlocked(userId); 6603 // Check if this is the profile owner who is calling 6604 final ActiveAdmin admin = 6605 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6606 synchronized (this) { 6607 final long ident = mInjector.binderClearCallingIdentity(); 6608 try { 6609 clearProfileOwnerLocked(admin, userId); 6610 removeActiveAdminLocked(who, userId); 6611 } finally { 6612 mInjector.binderRestoreCallingIdentity(ident); 6613 } 6614 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6615 } 6616 } 6617 6618 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6619 if (admin != null) { 6620 admin.disableCamera = false; 6621 admin.userRestrictions = null; 6622 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6623 } 6624 clearUserPoliciesLocked(userId); 6625 mOwners.removeProfileOwner(userId); 6626 mOwners.writeProfileOwner(userId); 6627 } 6628 6629 @Override 6630 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6631 Preconditions.checkNotNull(who, "ComponentName is null"); 6632 if (!mHasFeature) { 6633 return; 6634 } 6635 6636 synchronized (this) { 6637 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6638 long token = mInjector.binderClearCallingIdentity(); 6639 try { 6640 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6641 } finally { 6642 mInjector.binderRestoreCallingIdentity(token); 6643 } 6644 } 6645 } 6646 6647 @Override 6648 public CharSequence getDeviceOwnerLockScreenInfo() { 6649 return mLockPatternUtils.getDeviceOwnerInfo(); 6650 } 6651 6652 private void clearUserPoliciesLocked(int userId) { 6653 // Reset some of the user-specific policies. 6654 final DevicePolicyData policy = getUserData(userId); 6655 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6656 // Clear delegations. 6657 policy.mDelegationMap.clear(); 6658 policy.mStatusBarDisabled = false; 6659 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6660 policy.mAffiliationIds.clear(); 6661 policy.mLockTaskPackages.clear(); 6662 saveSettingsLocked(userId); 6663 6664 try { 6665 mIPackageManager.updatePermissionFlagsForAllApps( 6666 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6667 0 /* flagValues */, userId); 6668 pushUserRestrictions(userId); 6669 } catch (RemoteException re) { 6670 // Shouldn't happen. 6671 } 6672 } 6673 6674 @Override 6675 public boolean hasUserSetupCompleted() { 6676 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6677 } 6678 6679 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6680 // completing Setup Wizard, and pairing involves transferring user data, calling 6681 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6682 private boolean hasUserSetupCompleted(int userHandle) { 6683 if (!mHasFeature) { 6684 return true; 6685 } 6686 return getUserData(userHandle).mUserSetupComplete; 6687 } 6688 6689 private boolean hasPaired(int userHandle) { 6690 if (!mHasFeature) { 6691 return true; 6692 } 6693 return getUserData(userHandle).mPaired; 6694 } 6695 6696 @Override 6697 public int getUserProvisioningState() { 6698 if (!mHasFeature) { 6699 return DevicePolicyManager.STATE_USER_UNMANAGED; 6700 } 6701 int userHandle = mInjector.userHandleGetCallingUserId(); 6702 return getUserProvisioningState(userHandle); 6703 } 6704 6705 private int getUserProvisioningState(int userHandle) { 6706 return getUserData(userHandle).mUserProvisioningState; 6707 } 6708 6709 @Override 6710 public void setUserProvisioningState(int newState, int userHandle) { 6711 if (!mHasFeature) { 6712 return; 6713 } 6714 6715 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6716 && getManagedUserId(userHandle) == -1) { 6717 // No managed device, user or profile, so setting provisioning state makes no sense. 6718 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6719 + "device or profile owner is set."); 6720 } 6721 6722 synchronized (this) { 6723 boolean transitionCheckNeeded = true; 6724 6725 // Calling identity/permission checks. 6726 if (isAdb()) { 6727 // ADB shell can only move directly from un-managed to finalized as part of directly 6728 // setting profile-owner or device-owner. 6729 if (getUserProvisioningState(userHandle) != 6730 DevicePolicyManager.STATE_USER_UNMANAGED 6731 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6732 throw new IllegalStateException("Not allowed to change provisioning state " 6733 + "unless current provisioning state is unmanaged, and new state is " 6734 + "finalized."); 6735 } 6736 transitionCheckNeeded = false; 6737 } else { 6738 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6739 enforceCanManageProfileAndDeviceOwners(); 6740 } 6741 6742 final DevicePolicyData policyData = getUserData(userHandle); 6743 if (transitionCheckNeeded) { 6744 // Optional state transition check for non-ADB case. 6745 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6746 } 6747 policyData.mUserProvisioningState = newState; 6748 saveSettingsLocked(userHandle); 6749 } 6750 } 6751 6752 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6753 // Valid transitions for normal use-cases. 6754 switch (currentState) { 6755 case DevicePolicyManager.STATE_USER_UNMANAGED: 6756 // Can move to any state from unmanaged (except itself as an edge case).. 6757 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6758 return; 6759 } 6760 break; 6761 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6762 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6763 // Can only move to finalized from these states. 6764 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6765 return; 6766 } 6767 break; 6768 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6769 // Current user has a managed-profile, but current user is not managed, so 6770 // rather than moving to finalized state, go back to unmanaged once 6771 // profile provisioning is complete. 6772 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6773 return; 6774 } 6775 break; 6776 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6777 // Cannot transition out of finalized. 6778 break; 6779 } 6780 6781 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6782 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6783 + "from state [" + currentState + "]"); 6784 } 6785 6786 @Override 6787 public void setProfileEnabled(ComponentName who) { 6788 if (!mHasFeature) { 6789 return; 6790 } 6791 Preconditions.checkNotNull(who, "ComponentName is null"); 6792 synchronized (this) { 6793 // Check if this is the profile owner who is calling 6794 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6795 final int userId = UserHandle.getCallingUserId(); 6796 enforceManagedProfile(userId, "enable the profile"); 6797 // Check if the profile is already enabled. 6798 UserInfo managedProfile = getUserInfo(userId); 6799 if (managedProfile.isEnabled()) { 6800 Slog.e(LOG_TAG, 6801 "setProfileEnabled is called when the profile is already enabled"); 6802 return; 6803 } 6804 long id = mInjector.binderClearCallingIdentity(); 6805 try { 6806 mUserManager.setUserEnabled(userId); 6807 UserInfo parent = mUserManager.getProfileParent(userId); 6808 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6809 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6810 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6811 Intent.FLAG_RECEIVER_FOREGROUND); 6812 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6813 } finally { 6814 mInjector.binderRestoreCallingIdentity(id); 6815 } 6816 } 6817 } 6818 6819 @Override 6820 public void setProfileName(ComponentName who, String profileName) { 6821 Preconditions.checkNotNull(who, "ComponentName is null"); 6822 int userId = UserHandle.getCallingUserId(); 6823 // Check if this is the profile owner (includes device owner). 6824 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6825 6826 long id = mInjector.binderClearCallingIdentity(); 6827 try { 6828 mUserManager.setUserName(userId, profileName); 6829 } finally { 6830 mInjector.binderRestoreCallingIdentity(id); 6831 } 6832 } 6833 6834 @Override 6835 public ComponentName getProfileOwner(int userHandle) { 6836 if (!mHasFeature) { 6837 return null; 6838 } 6839 6840 synchronized (this) { 6841 return mOwners.getProfileOwnerComponent(userHandle); 6842 } 6843 } 6844 6845 // Returns the active profile owner for this user or null if the current user has no 6846 // profile owner. 6847 @VisibleForTesting 6848 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6849 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6850 if (profileOwner == null) { 6851 return null; 6852 } 6853 DevicePolicyData policy = getUserData(userHandle); 6854 final int n = policy.mAdminList.size(); 6855 for (int i = 0; i < n; i++) { 6856 ActiveAdmin admin = policy.mAdminList.get(i); 6857 if (profileOwner.equals(admin.info.getComponent())) { 6858 return admin; 6859 } 6860 } 6861 return null; 6862 } 6863 6864 @Override 6865 public String getProfileOwnerName(int userHandle) { 6866 if (!mHasFeature) { 6867 return null; 6868 } 6869 enforceManageUsers(); 6870 ComponentName profileOwner = getProfileOwner(userHandle); 6871 if (profileOwner == null) { 6872 return null; 6873 } 6874 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6875 } 6876 6877 /** 6878 * Canonical name for a given package. 6879 */ 6880 private String getApplicationLabel(String packageName, int userHandle) { 6881 long token = mInjector.binderClearCallingIdentity(); 6882 try { 6883 final Context userContext; 6884 try { 6885 UserHandle handle = new UserHandle(userHandle); 6886 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6887 } catch (PackageManager.NameNotFoundException nnfe) { 6888 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6889 return null; 6890 } 6891 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6892 CharSequence result = null; 6893 if (appInfo != null) { 6894 PackageManager pm = userContext.getPackageManager(); 6895 result = pm.getApplicationLabel(appInfo); 6896 } 6897 return result != null ? result.toString() : null; 6898 } finally { 6899 mInjector.binderRestoreCallingIdentity(token); 6900 } 6901 } 6902 6903 /** 6904 * Calls wtfStack() if called with the DPMS lock held. 6905 */ 6906 private void wtfIfInLock() { 6907 if (Thread.holdsLock(this)) { 6908 Slog.wtfStack(LOG_TAG, "Shouldn't be called with DPMS lock held"); 6909 } 6910 } 6911 6912 /** 6913 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6914 * permission. 6915 * The profile owner can only be set before the user setup phase has completed, 6916 * except for: 6917 * - SYSTEM_UID 6918 * - adb unless hasIncompatibleAccountsOrNonAdb is true. 6919 */ 6920 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle, 6921 boolean hasIncompatibleAccountsOrNonAdb) { 6922 UserInfo info = getUserInfo(userHandle); 6923 if (info == null) { 6924 // User doesn't exist. 6925 throw new IllegalArgumentException( 6926 "Attempted to set profile owner for invalid userId: " + userHandle); 6927 } 6928 if (info.isGuest()) { 6929 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6930 } 6931 if (mOwners.hasProfileOwner(userHandle)) { 6932 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6933 + "is already set."); 6934 } 6935 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6936 throw new IllegalStateException("Trying to set the profile owner, but the user " 6937 + "already has a device owner."); 6938 } 6939 if (isAdb()) { 6940 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 6941 && hasIncompatibleAccountsOrNonAdb) { 6942 throw new IllegalStateException("Not allowed to set the profile owner because " 6943 + "there are already some accounts on the profile"); 6944 } 6945 return; 6946 } 6947 enforceCanManageProfileAndDeviceOwners(); 6948 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 6949 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6950 + "already set-up"); 6951 } 6952 } 6953 6954 /** 6955 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6956 * permission. 6957 */ 6958 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId, 6959 boolean hasIncompatibleAccountsOrNonAdb) { 6960 if (!isAdb()) { 6961 enforceCanManageProfileAndDeviceOwners(); 6962 } 6963 6964 final int code = checkDeviceOwnerProvisioningPreConditionLocked( 6965 owner, userId, isAdb(), hasIncompatibleAccountsOrNonAdb); 6966 switch (code) { 6967 case CODE_OK: 6968 return; 6969 case CODE_HAS_DEVICE_OWNER: 6970 throw new IllegalStateException( 6971 "Trying to set the device owner, but device owner is already set."); 6972 case CODE_USER_HAS_PROFILE_OWNER: 6973 throw new IllegalStateException("Trying to set the device owner, but the user " 6974 + "already has a profile owner."); 6975 case CODE_USER_NOT_RUNNING: 6976 throw new IllegalStateException("User not running: " + userId); 6977 case CODE_NOT_SYSTEM_USER: 6978 throw new IllegalStateException("User is not system user"); 6979 case CODE_USER_SETUP_COMPLETED: 6980 throw new IllegalStateException( 6981 "Cannot set the device owner if the device is already set-up"); 6982 case CODE_NONSYSTEM_USER_EXISTS: 6983 throw new IllegalStateException("Not allowed to set the device owner because there " 6984 + "are already several users on the device"); 6985 case CODE_ACCOUNTS_NOT_EMPTY: 6986 throw new IllegalStateException("Not allowed to set the device owner because there " 6987 + "are already some accounts on the device"); 6988 case CODE_HAS_PAIRED: 6989 throw new IllegalStateException("Not allowed to set the device owner because this " 6990 + "device has already paired"); 6991 default: 6992 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 6993 } 6994 } 6995 6996 private void enforceUserUnlocked(int userId) { 6997 // Since we're doing this operation on behalf of an app, we only 6998 // want to use the actual "unlocked" state. 6999 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 7000 "User must be running and unlocked"); 7001 } 7002 7003 private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { 7004 if (parent) { 7005 enforceUserUnlocked(getProfileParentId(userId)); 7006 } else { 7007 enforceUserUnlocked(userId); 7008 } 7009 } 7010 7011 private void enforceManageUsers() { 7012 final int callingUid = mInjector.binderGetCallingUid(); 7013 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7014 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7015 } 7016 } 7017 7018 private void enforceFullCrossUsersPermission(int userHandle) { 7019 enforceSystemUserOrPermission(userHandle, 7020 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 7021 } 7022 7023 private void enforceCrossUsersPermission(int userHandle) { 7024 enforceSystemUserOrPermission(userHandle, 7025 android.Manifest.permission.INTERACT_ACROSS_USERS); 7026 } 7027 7028 private void enforceSystemUserOrPermission(int userHandle, String permission) { 7029 if (userHandle < 0) { 7030 throw new IllegalArgumentException("Invalid userId " + userHandle); 7031 } 7032 final int callingUid = mInjector.binderGetCallingUid(); 7033 if (userHandle == UserHandle.getUserId(callingUid)) { 7034 return; 7035 } 7036 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7037 mContext.enforceCallingOrSelfPermission(permission, 7038 "Must be system or have " + permission + " permission"); 7039 } 7040 } 7041 7042 private void enforceManagedProfile(int userHandle, String message) { 7043 if(!isManagedProfile(userHandle)) { 7044 throw new SecurityException("You can not " + message + " outside a managed profile."); 7045 } 7046 } 7047 7048 private void enforceNotManagedProfile(int userHandle, String message) { 7049 if(isManagedProfile(userHandle)) { 7050 throw new SecurityException("You can not " + message + " for a managed profile."); 7051 } 7052 } 7053 7054 private void enforceDeviceOwnerOrManageUsers() { 7055 synchronized (this) { 7056 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 7057 mInjector.binderGetCallingUid()) != null) { 7058 return; 7059 } 7060 } 7061 enforceManageUsers(); 7062 } 7063 7064 private void enforceProfileOwnerOrSystemUser(ComponentName admin) { 7065 synchronized (this) { 7066 if (getActiveAdminWithPolicyForUidLocked(admin, 7067 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 7068 != null) { 7069 return; 7070 } 7071 } 7072 Preconditions.checkState(isCallerWithSystemUid(), 7073 "Only profile owner, device owner and system may call this method."); 7074 } 7075 7076 private void ensureCallerPackage(@Nullable String packageName) { 7077 if (packageName == null) { 7078 Preconditions.checkState(isCallerWithSystemUid(), 7079 "Only caller can omit package name"); 7080 } else { 7081 final int callingUid = mInjector.binderGetCallingUid(); 7082 final int userId = mInjector.userHandleGetCallingUserId(); 7083 try { 7084 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 7085 packageName, 0, userId); 7086 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 7087 } catch (RemoteException e) { 7088 // Shouldn't happen 7089 } 7090 } 7091 } 7092 7093 private boolean isCallerWithSystemUid() { 7094 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 7095 } 7096 7097 protected int getProfileParentId(int userHandle) { 7098 final long ident = mInjector.binderClearCallingIdentity(); 7099 try { 7100 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 7101 return parentUser != null ? parentUser.id : userHandle; 7102 } finally { 7103 mInjector.binderRestoreCallingIdentity(ident); 7104 } 7105 } 7106 7107 private int getCredentialOwner(int userHandle, boolean parent) { 7108 final long ident = mInjector.binderClearCallingIdentity(); 7109 try { 7110 if (parent) { 7111 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 7112 if (parentProfile != null) { 7113 userHandle = parentProfile.id; 7114 } 7115 } 7116 return mUserManager.getCredentialOwnerProfile(userHandle); 7117 } finally { 7118 mInjector.binderRestoreCallingIdentity(ident); 7119 } 7120 } 7121 7122 private boolean isManagedProfile(int userHandle) { 7123 final UserInfo user = getUserInfo(userHandle); 7124 return user != null && user.isManagedProfile(); 7125 } 7126 7127 private void enableIfNecessary(String packageName, int userId) { 7128 try { 7129 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 7130 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 7131 userId); 7132 if (ai.enabledSetting 7133 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 7134 mIPackageManager.setApplicationEnabledSetting(packageName, 7135 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 7136 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 7137 } 7138 } catch (RemoteException e) { 7139 } 7140 } 7141 7142 @Override 7143 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 7144 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 7145 != PackageManager.PERMISSION_GRANTED) { 7146 7147 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 7148 + mInjector.binderGetCallingPid() 7149 + ", uid=" + mInjector.binderGetCallingUid()); 7150 return; 7151 } 7152 7153 synchronized (this) { 7154 pw.println("Current Device Policy Manager state:"); 7155 mOwners.dump(" ", pw); 7156 int userCount = mUserData.size(); 7157 for (int u = 0; u < userCount; u++) { 7158 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 7159 pw.println(); 7160 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 7161 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 7162 final int N = policy.mAdminList.size(); 7163 for (int i=0; i<N; i++) { 7164 ActiveAdmin ap = policy.mAdminList.get(i); 7165 if (ap != null) { 7166 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 7167 pw.println(":"); 7168 ap.dump(" ", pw); 7169 } 7170 } 7171 if (!policy.mRemovingAdmins.isEmpty()) { 7172 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 7173 + policy.mRemovingAdmins); 7174 } 7175 7176 pw.println(" "); 7177 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 7178 } 7179 pw.println(); 7180 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 7181 } 7182 } 7183 7184 private String getEncryptionStatusName(int encryptionStatus) { 7185 switch (encryptionStatus) { 7186 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 7187 return "inactive"; 7188 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 7189 return "block default key"; 7190 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 7191 return "block"; 7192 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 7193 return "per-user"; 7194 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 7195 return "unsupported"; 7196 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 7197 return "activating"; 7198 default: 7199 return "unknown"; 7200 } 7201 } 7202 7203 @Override 7204 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 7205 ComponentName activity) { 7206 Preconditions.checkNotNull(who, "ComponentName is null"); 7207 final int userHandle = UserHandle.getCallingUserId(); 7208 synchronized (this) { 7209 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7210 7211 long id = mInjector.binderClearCallingIdentity(); 7212 try { 7213 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 7214 } catch (RemoteException re) { 7215 // Shouldn't happen 7216 } finally { 7217 mInjector.binderRestoreCallingIdentity(id); 7218 } 7219 } 7220 } 7221 7222 @Override 7223 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 7224 Preconditions.checkNotNull(who, "ComponentName is null"); 7225 final int userHandle = UserHandle.getCallingUserId(); 7226 synchronized (this) { 7227 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7228 7229 long id = mInjector.binderClearCallingIdentity(); 7230 try { 7231 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 7232 } catch (RemoteException re) { 7233 // Shouldn't happen 7234 } finally { 7235 mInjector.binderRestoreCallingIdentity(id); 7236 } 7237 } 7238 } 7239 7240 @Override 7241 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 7242 String packageName) { 7243 try { 7244 setDelegatedScopePreO(admin, packageName, DELEGATION_APP_RESTRICTIONS); 7245 } catch (IllegalArgumentException e) { 7246 return false; 7247 } 7248 return true; 7249 } 7250 7251 @Override 7252 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 7253 final List<String> delegatePackages = getDelegatePackages(admin, 7254 DELEGATION_APP_RESTRICTIONS); 7255 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 7256 } 7257 7258 @Override 7259 public boolean isCallerApplicationRestrictionsManagingPackage(String callerPackage) { 7260 return isCallerDelegate(callerPackage, DELEGATION_APP_RESTRICTIONS); 7261 } 7262 7263 @Override 7264 public void setApplicationRestrictions(ComponentName who, String callerPackage, 7265 String packageName, Bundle settings) { 7266 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 7267 DELEGATION_APP_RESTRICTIONS); 7268 7269 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7270 final long id = mInjector.binderClearCallingIdentity(); 7271 try { 7272 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 7273 } finally { 7274 mInjector.binderRestoreCallingIdentity(id); 7275 } 7276 } 7277 7278 @Override 7279 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 7280 PersistableBundle args, boolean parent) { 7281 if (!mHasFeature) { 7282 return; 7283 } 7284 Preconditions.checkNotNull(admin, "admin is null"); 7285 Preconditions.checkNotNull(agent, "agent is null"); 7286 final int userHandle = UserHandle.getCallingUserId(); 7287 synchronized (this) { 7288 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 7289 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 7290 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 7291 saveSettingsLocked(userHandle); 7292 } 7293 } 7294 7295 @Override 7296 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 7297 ComponentName agent, int userHandle, boolean parent) { 7298 if (!mHasFeature) { 7299 return null; 7300 } 7301 Preconditions.checkNotNull(agent, "agent null"); 7302 enforceFullCrossUsersPermission(userHandle); 7303 7304 synchronized (this) { 7305 final String componentName = agent.flattenToString(); 7306 if (admin != null) { 7307 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 7308 if (ap == null) return null; 7309 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 7310 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 7311 List<PersistableBundle> result = new ArrayList<>(); 7312 result.add(trustAgentInfo.options); 7313 return result; 7314 } 7315 7316 // Return strictest policy for this user and profiles that are visible from this user. 7317 List<PersistableBundle> result = null; 7318 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 7319 // of the options. If any admin doesn't have options, discard options for the rest 7320 // and return null. 7321 List<ActiveAdmin> admins = 7322 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 7323 boolean allAdminsHaveOptions = true; 7324 final int N = admins.size(); 7325 for (int i = 0; i < N; i++) { 7326 final ActiveAdmin active = admins.get(i); 7327 7328 final boolean disablesTrust = (active.disabledKeyguardFeatures 7329 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 7330 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 7331 if (info != null && info.options != null && !info.options.isEmpty()) { 7332 if (disablesTrust) { 7333 if (result == null) { 7334 result = new ArrayList<>(); 7335 } 7336 result.add(info.options); 7337 } else { 7338 Log.w(LOG_TAG, "Ignoring admin " + active.info 7339 + " because it has trust options but doesn't declare " 7340 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 7341 } 7342 } else if (disablesTrust) { 7343 allAdminsHaveOptions = false; 7344 break; 7345 } 7346 } 7347 return allAdminsHaveOptions ? result : null; 7348 } 7349 } 7350 7351 @Override 7352 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 7353 Preconditions.checkNotNull(who, "ComponentName is null"); 7354 synchronized (this) { 7355 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7356 7357 int userHandle = UserHandle.getCallingUserId(); 7358 DevicePolicyData userData = getUserData(userHandle); 7359 userData.mRestrictionsProvider = permissionProvider; 7360 saveSettingsLocked(userHandle); 7361 } 7362 } 7363 7364 @Override 7365 public ComponentName getRestrictionsProvider(int userHandle) { 7366 synchronized (this) { 7367 if (!isCallerWithSystemUid()) { 7368 throw new SecurityException("Only the system can query the permission provider"); 7369 } 7370 DevicePolicyData userData = getUserData(userHandle); 7371 return userData != null ? userData.mRestrictionsProvider : null; 7372 } 7373 } 7374 7375 @Override 7376 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 7377 Preconditions.checkNotNull(who, "ComponentName is null"); 7378 int callingUserId = UserHandle.getCallingUserId(); 7379 synchronized (this) { 7380 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7381 7382 long id = mInjector.binderClearCallingIdentity(); 7383 try { 7384 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7385 if (parent == null) { 7386 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 7387 + "parent"); 7388 return; 7389 } 7390 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 7391 mIPackageManager.addCrossProfileIntentFilter( 7392 filter, who.getPackageName(), callingUserId, parent.id, 0); 7393 } 7394 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 7395 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 7396 parent.id, callingUserId, 0); 7397 } 7398 } catch (RemoteException re) { 7399 // Shouldn't happen 7400 } finally { 7401 mInjector.binderRestoreCallingIdentity(id); 7402 } 7403 } 7404 } 7405 7406 @Override 7407 public void clearCrossProfileIntentFilters(ComponentName who) { 7408 Preconditions.checkNotNull(who, "ComponentName is null"); 7409 int callingUserId = UserHandle.getCallingUserId(); 7410 synchronized (this) { 7411 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7412 long id = mInjector.binderClearCallingIdentity(); 7413 try { 7414 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7415 if (parent == null) { 7416 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7417 + "parent"); 7418 return; 7419 } 7420 // Removing those that go from the managed profile to the parent. 7421 mIPackageManager.clearCrossProfileIntentFilters( 7422 callingUserId, who.getPackageName()); 7423 // And those that go from the parent to the managed profile. 7424 // If we want to support multiple managed profiles, we will have to only remove 7425 // those that have callingUserId as their target. 7426 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7427 } catch (RemoteException re) { 7428 // Shouldn't happen 7429 } finally { 7430 mInjector.binderRestoreCallingIdentity(id); 7431 } 7432 } 7433 } 7434 7435 /** 7436 * @return true if all packages in enabledPackages are either in the list 7437 * permittedList or are a system app. 7438 */ 7439 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7440 List<String> permittedList, int userIdToCheck) { 7441 long id = mInjector.binderClearCallingIdentity(); 7442 try { 7443 // If we have an enabled packages list for a managed profile the packages 7444 // we should check are installed for the parent user. 7445 UserInfo user = getUserInfo(userIdToCheck); 7446 if (user.isManagedProfile()) { 7447 userIdToCheck = user.profileGroupId; 7448 } 7449 7450 for (String enabledPackage : enabledPackages) { 7451 boolean systemService = false; 7452 try { 7453 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7454 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7455 userIdToCheck); 7456 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7457 } catch (RemoteException e) { 7458 Log.i(LOG_TAG, "Can't talk to package managed", e); 7459 } 7460 if (!systemService && !permittedList.contains(enabledPackage)) { 7461 return false; 7462 } 7463 } 7464 } finally { 7465 mInjector.binderRestoreCallingIdentity(id); 7466 } 7467 return true; 7468 } 7469 7470 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7471 // Not using AccessibilityManager.getInstance because that guesses 7472 // at the user you require based on callingUid and caches for a given 7473 // process. 7474 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7475 IAccessibilityManager service = iBinder == null 7476 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7477 return new AccessibilityManager(mContext, service, userId); 7478 } 7479 7480 @Override 7481 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7482 if (!mHasFeature) { 7483 return false; 7484 } 7485 Preconditions.checkNotNull(who, "ComponentName is null"); 7486 7487 if (packageList != null) { 7488 int userId = UserHandle.getCallingUserId(); 7489 List<AccessibilityServiceInfo> enabledServices = null; 7490 long id = mInjector.binderClearCallingIdentity(); 7491 try { 7492 UserInfo user = getUserInfo(userId); 7493 if (user.isManagedProfile()) { 7494 userId = user.profileGroupId; 7495 } 7496 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7497 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7498 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7499 } finally { 7500 mInjector.binderRestoreCallingIdentity(id); 7501 } 7502 7503 if (enabledServices != null) { 7504 List<String> enabledPackages = new ArrayList<String>(); 7505 for (AccessibilityServiceInfo service : enabledServices) { 7506 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7507 } 7508 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7509 userId)) { 7510 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7511 + "because it contains already enabled accesibility services."); 7512 return false; 7513 } 7514 } 7515 } 7516 7517 synchronized (this) { 7518 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7519 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7520 admin.permittedAccessiblityServices = packageList; 7521 saveSettingsLocked(UserHandle.getCallingUserId()); 7522 } 7523 return true; 7524 } 7525 7526 @Override 7527 public List getPermittedAccessibilityServices(ComponentName who) { 7528 if (!mHasFeature) { 7529 return null; 7530 } 7531 Preconditions.checkNotNull(who, "ComponentName is null"); 7532 7533 synchronized (this) { 7534 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7535 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7536 return admin.permittedAccessiblityServices; 7537 } 7538 } 7539 7540 @Override 7541 public List getPermittedAccessibilityServicesForUser(int userId) { 7542 if (!mHasFeature) { 7543 return null; 7544 } 7545 synchronized (this) { 7546 List<String> result = null; 7547 // If we have multiple profiles we return the intersection of the 7548 // permitted lists. This can happen in cases where we have a device 7549 // and profile owner. 7550 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7551 for (int profileId : profileIds) { 7552 // Just loop though all admins, only device or profiles 7553 // owners can have permitted lists set. 7554 DevicePolicyData policy = getUserDataUnchecked(profileId); 7555 final int N = policy.mAdminList.size(); 7556 for (int j = 0; j < N; j++) { 7557 ActiveAdmin admin = policy.mAdminList.get(j); 7558 List<String> fromAdmin = admin.permittedAccessiblityServices; 7559 if (fromAdmin != null) { 7560 if (result == null) { 7561 result = new ArrayList<>(fromAdmin); 7562 } else { 7563 result.retainAll(fromAdmin); 7564 } 7565 } 7566 } 7567 } 7568 7569 // If we have a permitted list add all system accessibility services. 7570 if (result != null) { 7571 long id = mInjector.binderClearCallingIdentity(); 7572 try { 7573 UserInfo user = getUserInfo(userId); 7574 if (user.isManagedProfile()) { 7575 userId = user.profileGroupId; 7576 } 7577 AccessibilityManager accessibilityManager = 7578 getAccessibilityManagerForUser(userId); 7579 List<AccessibilityServiceInfo> installedServices = 7580 accessibilityManager.getInstalledAccessibilityServiceList(); 7581 7582 if (installedServices != null) { 7583 for (AccessibilityServiceInfo service : installedServices) { 7584 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7585 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7586 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7587 result.add(serviceInfo.packageName); 7588 } 7589 } 7590 } 7591 } finally { 7592 mInjector.binderRestoreCallingIdentity(id); 7593 } 7594 } 7595 7596 return result; 7597 } 7598 } 7599 7600 @Override 7601 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7602 int userHandle) { 7603 if (!mHasFeature) { 7604 return true; 7605 } 7606 Preconditions.checkNotNull(who, "ComponentName is null"); 7607 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7608 if (!isCallerWithSystemUid()){ 7609 throw new SecurityException( 7610 "Only the system can query if an accessibility service is disabled by admin"); 7611 } 7612 synchronized (this) { 7613 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7614 if (admin == null) { 7615 return false; 7616 } 7617 if (admin.permittedAccessiblityServices == null) { 7618 return true; 7619 } 7620 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7621 admin.permittedAccessiblityServices, userHandle); 7622 } 7623 } 7624 7625 private boolean checkCallerIsCurrentUserOrProfile() { 7626 int callingUserId = UserHandle.getCallingUserId(); 7627 long token = mInjector.binderClearCallingIdentity(); 7628 try { 7629 UserInfo currentUser; 7630 UserInfo callingUser = getUserInfo(callingUserId); 7631 try { 7632 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7633 } catch (RemoteException e) { 7634 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7635 return false; 7636 } 7637 7638 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7639 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7640 + "of a user that isn't the foreground user."); 7641 return false; 7642 } 7643 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7644 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7645 + "of a user that isn't the foreground user."); 7646 return false; 7647 } 7648 } finally { 7649 mInjector.binderRestoreCallingIdentity(token); 7650 } 7651 return true; 7652 } 7653 7654 @Override 7655 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7656 if (!mHasFeature) { 7657 return false; 7658 } 7659 Preconditions.checkNotNull(who, "ComponentName is null"); 7660 7661 // TODO When InputMethodManager supports per user calls remove 7662 // this restriction. 7663 if (!checkCallerIsCurrentUserOrProfile()) { 7664 return false; 7665 } 7666 7667 if (packageList != null) { 7668 // InputMethodManager fetches input methods for current user. 7669 // So this can only be set when calling user is the current user 7670 // or parent is current user in case of managed profiles. 7671 InputMethodManager inputMethodManager = 7672 mContext.getSystemService(InputMethodManager.class); 7673 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7674 7675 if (enabledImes != null) { 7676 List<String> enabledPackages = new ArrayList<String>(); 7677 for (InputMethodInfo ime : enabledImes) { 7678 enabledPackages.add(ime.getPackageName()); 7679 } 7680 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7681 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7682 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7683 + "because it contains already enabled input method."); 7684 return false; 7685 } 7686 } 7687 } 7688 7689 synchronized (this) { 7690 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7691 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7692 admin.permittedInputMethods = packageList; 7693 saveSettingsLocked(UserHandle.getCallingUserId()); 7694 } 7695 return true; 7696 } 7697 7698 @Override 7699 public List getPermittedInputMethods(ComponentName who) { 7700 if (!mHasFeature) { 7701 return null; 7702 } 7703 Preconditions.checkNotNull(who, "ComponentName is null"); 7704 7705 synchronized (this) { 7706 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7707 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7708 return admin.permittedInputMethods; 7709 } 7710 } 7711 7712 @Override 7713 public List getPermittedInputMethodsForCurrentUser() { 7714 UserInfo currentUser; 7715 try { 7716 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7717 } catch (RemoteException e) { 7718 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7719 // Activity managed is dead, just allow all IMEs 7720 return null; 7721 } 7722 7723 int userId = currentUser.id; 7724 synchronized (this) { 7725 List<String> result = null; 7726 // If we have multiple profiles we return the intersection of the 7727 // permitted lists. This can happen in cases where we have a device 7728 // and profile owner. 7729 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7730 for (int profileId : profileIds) { 7731 // Just loop though all admins, only device or profiles 7732 // owners can have permitted lists set. 7733 DevicePolicyData policy = getUserDataUnchecked(profileId); 7734 final int N = policy.mAdminList.size(); 7735 for (int j = 0; j < N; j++) { 7736 ActiveAdmin admin = policy.mAdminList.get(j); 7737 List<String> fromAdmin = admin.permittedInputMethods; 7738 if (fromAdmin != null) { 7739 if (result == null) { 7740 result = new ArrayList<String>(fromAdmin); 7741 } else { 7742 result.retainAll(fromAdmin); 7743 } 7744 } 7745 } 7746 } 7747 7748 // If we have a permitted list add all system input methods. 7749 if (result != null) { 7750 InputMethodManager inputMethodManager = 7751 mContext.getSystemService(InputMethodManager.class); 7752 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7753 long id = mInjector.binderClearCallingIdentity(); 7754 try { 7755 if (imes != null) { 7756 for (InputMethodInfo ime : imes) { 7757 ServiceInfo serviceInfo = ime.getServiceInfo(); 7758 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7759 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7760 result.add(serviceInfo.packageName); 7761 } 7762 } 7763 } 7764 } finally { 7765 mInjector.binderRestoreCallingIdentity(id); 7766 } 7767 } 7768 return result; 7769 } 7770 } 7771 7772 @Override 7773 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7774 int userHandle) { 7775 if (!mHasFeature) { 7776 return true; 7777 } 7778 Preconditions.checkNotNull(who, "ComponentName is null"); 7779 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7780 if (!isCallerWithSystemUid()) { 7781 throw new SecurityException( 7782 "Only the system can query if an input method is disabled by admin"); 7783 } 7784 synchronized (this) { 7785 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7786 if (admin == null) { 7787 return false; 7788 } 7789 if (admin.permittedInputMethods == null) { 7790 return true; 7791 } 7792 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7793 admin.permittedInputMethods, userHandle); 7794 } 7795 } 7796 7797 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7798 DevicePolicyData policyData = getUserData(userHandle); 7799 if (policyData.mAdminBroadcastPending) { 7800 // Send the initialization data to profile owner and delete the data 7801 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7802 if (admin != null) { 7803 PersistableBundle initBundle = policyData.mInitBundle; 7804 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7805 initBundle == null ? null : new Bundle(initBundle), null); 7806 } 7807 policyData.mInitBundle = null; 7808 policyData.mAdminBroadcastPending = false; 7809 saveSettingsLocked(userHandle); 7810 } 7811 } 7812 7813 @Override 7814 public UserHandle createAndManageUser(ComponentName admin, String name, 7815 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7816 Preconditions.checkNotNull(admin, "admin is null"); 7817 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7818 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7819 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7820 + admin + " are not in the same package"); 7821 } 7822 // Only allow the system user to use this method 7823 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7824 throw new SecurityException("createAndManageUser was called from non-system user"); 7825 } 7826 if (!mInjector.userManagerIsSplitSystemUser() 7827 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7828 throw new IllegalArgumentException( 7829 "Ephemeral users are only supported on systems with a split system user."); 7830 } 7831 // Create user. 7832 UserHandle user = null; 7833 synchronized (this) { 7834 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7835 7836 final long id = mInjector.binderClearCallingIdentity(); 7837 try { 7838 int userInfoFlags = 0; 7839 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7840 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7841 } 7842 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7843 userInfoFlags); 7844 if (userInfo != null) { 7845 user = userInfo.getUserHandle(); 7846 } 7847 } finally { 7848 mInjector.binderRestoreCallingIdentity(id); 7849 } 7850 } 7851 if (user == null) { 7852 return null; 7853 } 7854 // Set admin. 7855 final long id = mInjector.binderClearCallingIdentity(); 7856 try { 7857 final String adminPkg = admin.getPackageName(); 7858 7859 final int userHandle = user.getIdentifier(); 7860 try { 7861 // Install the profile owner if not present. 7862 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7863 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle, 7864 PackageManager.INSTALL_REASON_POLICY); 7865 } 7866 } catch (RemoteException e) { 7867 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7868 + "removing created user", e); 7869 mUserManager.removeUser(user.getIdentifier()); 7870 return null; 7871 } 7872 7873 setActiveAdmin(profileOwner, true, userHandle); 7874 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7875 // So we store adminExtras for broadcasting when the user starts for first time. 7876 synchronized(this) { 7877 DevicePolicyData policyData = getUserData(userHandle); 7878 policyData.mInitBundle = adminExtras; 7879 policyData.mAdminBroadcastPending = true; 7880 saveSettingsLocked(userHandle); 7881 } 7882 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7883 setProfileOwner(profileOwner, ownerName, userHandle); 7884 7885 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7886 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7887 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7888 } 7889 7890 return user; 7891 } finally { 7892 mInjector.binderRestoreCallingIdentity(id); 7893 } 7894 } 7895 7896 @Override 7897 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7898 Preconditions.checkNotNull(who, "ComponentName is null"); 7899 synchronized (this) { 7900 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7901 } 7902 7903 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7904 final long id = mInjector.binderClearCallingIdentity(); 7905 try { 7906 String restriction = isManagedProfile(userHandle.getIdentifier()) 7907 ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE 7908 : UserManager.DISALLOW_REMOVE_USER; 7909 if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { 7910 Log.w(LOG_TAG, "The device owner cannot remove a user because " 7911 + restriction + " is enabled, and was not set by the device owner"); 7912 return false; 7913 } 7914 return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); 7915 } finally { 7916 mInjector.binderRestoreCallingIdentity(id); 7917 } 7918 } 7919 7920 private boolean isAdminAffectedByRestriction( 7921 ComponentName admin, String userRestriction, int userId) { 7922 switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { 7923 case UserManager.RESTRICTION_NOT_SET: 7924 return false; 7925 case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: 7926 return !isDeviceOwner(admin, userId); 7927 case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: 7928 return !isProfileOwner(admin, userId); 7929 default: 7930 return true; 7931 } 7932 } 7933 7934 @Override 7935 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7936 Preconditions.checkNotNull(who, "ComponentName is null"); 7937 synchronized (this) { 7938 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7939 7940 long id = mInjector.binderClearCallingIdentity(); 7941 try { 7942 int userId = UserHandle.USER_SYSTEM; 7943 if (userHandle != null) { 7944 userId = userHandle.getIdentifier(); 7945 } 7946 return mInjector.getIActivityManager().switchUser(userId); 7947 } catch (RemoteException e) { 7948 Log.e(LOG_TAG, "Couldn't switch user", e); 7949 return false; 7950 } finally { 7951 mInjector.binderRestoreCallingIdentity(id); 7952 } 7953 } 7954 } 7955 7956 @Override 7957 public Bundle getApplicationRestrictions(ComponentName who, String callerPackage, 7958 String packageName) { 7959 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 7960 DELEGATION_APP_RESTRICTIONS); 7961 7962 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7963 final long id = mInjector.binderClearCallingIdentity(); 7964 try { 7965 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7966 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7967 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7968 return bundle != null ? bundle : Bundle.EMPTY; 7969 } finally { 7970 mInjector.binderRestoreCallingIdentity(id); 7971 } 7972 } 7973 7974 @Override 7975 public String[] setPackagesSuspended(ComponentName who, String callerPackage, 7976 String[] packageNames, boolean suspended) { 7977 int callingUserId = UserHandle.getCallingUserId(); 7978 synchronized (this) { 7979 // Ensure the caller is a DO/PO or a package access delegate. 7980 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 7981 DELEGATION_PACKAGE_ACCESS); 7982 7983 long id = mInjector.binderClearCallingIdentity(); 7984 try { 7985 return mIPackageManager.setPackagesSuspendedAsUser( 7986 packageNames, suspended, callingUserId); 7987 } catch (RemoteException re) { 7988 // Shouldn't happen. 7989 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7990 } finally { 7991 mInjector.binderRestoreCallingIdentity(id); 7992 } 7993 return packageNames; 7994 } 7995 } 7996 7997 @Override 7998 public boolean isPackageSuspended(ComponentName who, String callerPackage, String packageName) { 7999 int callingUserId = UserHandle.getCallingUserId(); 8000 synchronized (this) { 8001 // Ensure the caller is a DO/PO or a package access delegate. 8002 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8003 DELEGATION_PACKAGE_ACCESS); 8004 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8005 8006 long id = mInjector.binderClearCallingIdentity(); 8007 try { 8008 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 8009 } catch (RemoteException re) { 8010 // Shouldn't happen. 8011 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8012 } finally { 8013 mInjector.binderRestoreCallingIdentity(id); 8014 } 8015 return false; 8016 } 8017 } 8018 8019 @Override 8020 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 8021 Preconditions.checkNotNull(who, "ComponentName is null"); 8022 if (!UserRestrictionsUtils.isValidRestriction(key)) { 8023 return; 8024 } 8025 8026 final int userHandle = mInjector.userHandleGetCallingUserId(); 8027 synchronized (this) { 8028 final ActiveAdmin activeAdmin = 8029 getActiveAdminForCallerLocked(who, 8030 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8031 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 8032 if (isDeviceOwner) { 8033 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 8034 throw new SecurityException("Device owner cannot set user restriction " + key); 8035 } 8036 } else { // profile owner 8037 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 8038 throw new SecurityException("Profile owner cannot set user restriction " + key); 8039 } 8040 } 8041 8042 // Save the restriction to ActiveAdmin. 8043 final Bundle restrictions = activeAdmin.ensureUserRestrictions(); 8044 if (enabledFromThisOwner) { 8045 restrictions.putBoolean(key, true); 8046 } else { 8047 restrictions.remove(key); 8048 } 8049 saveUserRestrictionsLocked(userHandle); 8050 } 8051 } 8052 8053 private void saveUserRestrictionsLocked(int userId) { 8054 saveSettingsLocked(userId); 8055 pushUserRestrictions(userId); 8056 sendChangedNotification(userId); 8057 } 8058 8059 private void pushUserRestrictions(int userId) { 8060 synchronized (this) { 8061 final boolean isDeviceOwner = mOwners.isDeviceOwnerUserId(userId); 8062 final Bundle userRestrictions; 8063 // Whether device owner enforces camera restriction. 8064 boolean disallowCameraGlobally = false; 8065 8066 if (isDeviceOwner) { 8067 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 8068 if (deviceOwner == null) { 8069 return; // Shouldn't happen. 8070 } 8071 userRestrictions = deviceOwner.userRestrictions; 8072 // DO can disable camera globally. 8073 disallowCameraGlobally = deviceOwner.disableCamera; 8074 } else { 8075 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 8076 userRestrictions = profileOwner != null ? profileOwner.userRestrictions : null; 8077 } 8078 8079 // Whether any admin enforces camera restriction. 8080 final int cameraRestrictionScope = 8081 getCameraRestrictionScopeLocked(userId, disallowCameraGlobally); 8082 8083 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, userRestrictions, 8084 isDeviceOwner, cameraRestrictionScope); 8085 } 8086 } 8087 8088 /** 8089 * Get the scope of camera restriction for a given user if any. 8090 */ 8091 private int getCameraRestrictionScopeLocked(int userId, boolean disallowCameraGlobally) { 8092 if (disallowCameraGlobally) { 8093 return UserManagerInternal.CAMERA_DISABLED_GLOBALLY; 8094 } else if (getCameraDisabled( 8095 /* who= */ null, userId, /* mergeDeviceOwnerRestriction= */ false)) { 8096 return UserManagerInternal.CAMERA_DISABLED_LOCALLY; 8097 } 8098 return UserManagerInternal.CAMERA_NOT_DISABLED; 8099 } 8100 8101 @Override 8102 public Bundle getUserRestrictions(ComponentName who) { 8103 if (!mHasFeature) { 8104 return null; 8105 } 8106 Preconditions.checkNotNull(who, "ComponentName is null"); 8107 synchronized (this) { 8108 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 8109 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8110 return activeAdmin.userRestrictions; 8111 } 8112 } 8113 8114 @Override 8115 public boolean setApplicationHidden(ComponentName who, String callerPackage, String packageName, 8116 boolean hidden) { 8117 int callingUserId = UserHandle.getCallingUserId(); 8118 synchronized (this) { 8119 // Ensure the caller is a DO/PO or a package access delegate. 8120 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8121 DELEGATION_PACKAGE_ACCESS); 8122 8123 long id = mInjector.binderClearCallingIdentity(); 8124 try { 8125 return mIPackageManager.setApplicationHiddenSettingAsUser( 8126 packageName, hidden, callingUserId); 8127 } catch (RemoteException re) { 8128 // shouldn't happen 8129 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 8130 } finally { 8131 mInjector.binderRestoreCallingIdentity(id); 8132 } 8133 return false; 8134 } 8135 } 8136 8137 @Override 8138 public boolean isApplicationHidden(ComponentName who, String callerPackage, 8139 String packageName) { 8140 int callingUserId = UserHandle.getCallingUserId(); 8141 synchronized (this) { 8142 // Ensure the caller is a DO/PO or a package access delegate. 8143 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8144 DELEGATION_PACKAGE_ACCESS); 8145 8146 long id = mInjector.binderClearCallingIdentity(); 8147 try { 8148 return mIPackageManager.getApplicationHiddenSettingAsUser( 8149 packageName, callingUserId); 8150 } catch (RemoteException re) { 8151 // shouldn't happen 8152 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 8153 } finally { 8154 mInjector.binderRestoreCallingIdentity(id); 8155 } 8156 return false; 8157 } 8158 } 8159 8160 @Override 8161 public void enableSystemApp(ComponentName who, String callerPackage, String packageName) { 8162 synchronized (this) { 8163 // Ensure the caller is a DO/PO or an enable system app delegate. 8164 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8165 DELEGATION_ENABLE_SYSTEM_APP); 8166 8167 int userId = UserHandle.getCallingUserId(); 8168 long id = mInjector.binderClearCallingIdentity(); 8169 8170 try { 8171 if (VERBOSE_LOG) { 8172 Slog.v(LOG_TAG, "installing " + packageName + " for " 8173 + userId); 8174 } 8175 8176 int parentUserId = getProfileParentId(userId); 8177 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 8178 throw new IllegalArgumentException("Only system apps can be enabled this way."); 8179 } 8180 8181 // Install the app. 8182 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8183 PackageManager.INSTALL_REASON_POLICY); 8184 8185 } catch (RemoteException re) { 8186 // shouldn't happen 8187 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 8188 } finally { 8189 mInjector.binderRestoreCallingIdentity(id); 8190 } 8191 } 8192 } 8193 8194 @Override 8195 public int enableSystemAppWithIntent(ComponentName who, String callerPackage, Intent intent) { 8196 synchronized (this) { 8197 // Ensure the caller is a DO/PO or an enable system app delegate. 8198 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8199 DELEGATION_ENABLE_SYSTEM_APP); 8200 8201 int userId = UserHandle.getCallingUserId(); 8202 long id = mInjector.binderClearCallingIdentity(); 8203 8204 try { 8205 int parentUserId = getProfileParentId(userId); 8206 List<ResolveInfo> activitiesToEnable = mIPackageManager 8207 .queryIntentActivities(intent, 8208 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 8209 PackageManager.MATCH_DIRECT_BOOT_AWARE 8210 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 8211 parentUserId) 8212 .getList(); 8213 8214 if (VERBOSE_LOG) { 8215 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 8216 } 8217 int numberOfAppsInstalled = 0; 8218 if (activitiesToEnable != null) { 8219 for (ResolveInfo info : activitiesToEnable) { 8220 if (info.activityInfo != null) { 8221 String packageName = info.activityInfo.packageName; 8222 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 8223 numberOfAppsInstalled++; 8224 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8225 PackageManager.INSTALL_REASON_POLICY); 8226 } else { 8227 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 8228 + " system app"); 8229 } 8230 } 8231 } 8232 } 8233 return numberOfAppsInstalled; 8234 } catch (RemoteException e) { 8235 // shouldn't happen 8236 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 8237 return 0; 8238 } finally { 8239 mInjector.binderRestoreCallingIdentity(id); 8240 } 8241 } 8242 } 8243 8244 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 8245 throws RemoteException { 8246 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 8247 userId); 8248 if (appInfo == null) { 8249 throw new IllegalArgumentException("The application " + packageName + 8250 " is not present on this device"); 8251 } 8252 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 8253 } 8254 8255 @Override 8256 public void setAccountManagementDisabled(ComponentName who, String accountType, 8257 boolean disabled) { 8258 if (!mHasFeature) { 8259 return; 8260 } 8261 Preconditions.checkNotNull(who, "ComponentName is null"); 8262 synchronized (this) { 8263 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 8264 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8265 if (disabled) { 8266 ap.accountTypesWithManagementDisabled.add(accountType); 8267 } else { 8268 ap.accountTypesWithManagementDisabled.remove(accountType); 8269 } 8270 saveSettingsLocked(UserHandle.getCallingUserId()); 8271 } 8272 } 8273 8274 @Override 8275 public String[] getAccountTypesWithManagementDisabled() { 8276 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 8277 } 8278 8279 @Override 8280 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 8281 enforceFullCrossUsersPermission(userId); 8282 if (!mHasFeature) { 8283 return null; 8284 } 8285 synchronized (this) { 8286 DevicePolicyData policy = getUserData(userId); 8287 final int N = policy.mAdminList.size(); 8288 ArraySet<String> resultSet = new ArraySet<>(); 8289 for (int i = 0; i < N; i++) { 8290 ActiveAdmin admin = policy.mAdminList.get(i); 8291 resultSet.addAll(admin.accountTypesWithManagementDisabled); 8292 } 8293 return resultSet.toArray(new String[resultSet.size()]); 8294 } 8295 } 8296 8297 @Override 8298 public void setUninstallBlocked(ComponentName who, String callerPackage, String packageName, 8299 boolean uninstallBlocked) { 8300 final int userId = UserHandle.getCallingUserId(); 8301 synchronized (this) { 8302 // Ensure the caller is a DO/PO or a block uninstall delegate 8303 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8304 DELEGATION_BLOCK_UNINSTALL); 8305 8306 long id = mInjector.binderClearCallingIdentity(); 8307 try { 8308 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 8309 } catch (RemoteException re) { 8310 // Shouldn't happen. 8311 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 8312 } finally { 8313 mInjector.binderRestoreCallingIdentity(id); 8314 } 8315 } 8316 } 8317 8318 @Override 8319 public boolean isUninstallBlocked(ComponentName who, String packageName) { 8320 // This function should return true if and only if the package is blocked by 8321 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 8322 // when the package is a system app, or when it is an active device admin. 8323 final int userId = UserHandle.getCallingUserId(); 8324 8325 synchronized (this) { 8326 if (who != null) { 8327 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8328 } 8329 8330 long id = mInjector.binderClearCallingIdentity(); 8331 try { 8332 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 8333 } catch (RemoteException re) { 8334 // Shouldn't happen. 8335 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 8336 } finally { 8337 mInjector.binderRestoreCallingIdentity(id); 8338 } 8339 } 8340 return false; 8341 } 8342 8343 @Override 8344 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 8345 if (!mHasFeature) { 8346 return; 8347 } 8348 Preconditions.checkNotNull(who, "ComponentName is null"); 8349 synchronized (this) { 8350 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8351 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8352 if (admin.disableCallerId != disabled) { 8353 admin.disableCallerId = disabled; 8354 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8355 } 8356 } 8357 } 8358 8359 @Override 8360 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 8361 if (!mHasFeature) { 8362 return false; 8363 } 8364 Preconditions.checkNotNull(who, "ComponentName is null"); 8365 synchronized (this) { 8366 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8367 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8368 return admin.disableCallerId; 8369 } 8370 } 8371 8372 @Override 8373 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 8374 enforceCrossUsersPermission(userId); 8375 synchronized (this) { 8376 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8377 return (admin != null) ? admin.disableCallerId : false; 8378 } 8379 } 8380 8381 @Override 8382 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 8383 if (!mHasFeature) { 8384 return; 8385 } 8386 Preconditions.checkNotNull(who, "ComponentName is null"); 8387 synchronized (this) { 8388 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8389 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8390 if (admin.disableContactsSearch != disabled) { 8391 admin.disableContactsSearch = disabled; 8392 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8393 } 8394 } 8395 } 8396 8397 @Override 8398 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 8399 if (!mHasFeature) { 8400 return false; 8401 } 8402 Preconditions.checkNotNull(who, "ComponentName is null"); 8403 synchronized (this) { 8404 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8405 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8406 return admin.disableContactsSearch; 8407 } 8408 } 8409 8410 @Override 8411 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 8412 enforceCrossUsersPermission(userId); 8413 synchronized (this) { 8414 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8415 return (admin != null) ? admin.disableContactsSearch : false; 8416 } 8417 } 8418 8419 @Override 8420 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 8421 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 8422 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 8423 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 8424 final int callingUserId = UserHandle.getCallingUserId(); 8425 8426 final long ident = mInjector.binderClearCallingIdentity(); 8427 try { 8428 synchronized (this) { 8429 final int managedUserId = getManagedUserId(callingUserId); 8430 if (managedUserId < 0) { 8431 return; 8432 } 8433 if (isCrossProfileQuickContactDisabled(managedUserId)) { 8434 if (VERBOSE_LOG) { 8435 Log.v(LOG_TAG, 8436 "Cross-profile contacts access disabled for user " + managedUserId); 8437 } 8438 return; 8439 } 8440 ContactsInternal.startQuickContactWithErrorToastForUser( 8441 mContext, intent, new UserHandle(managedUserId)); 8442 } 8443 } finally { 8444 mInjector.binderRestoreCallingIdentity(ident); 8445 } 8446 } 8447 8448 /** 8449 * @return true if cross-profile QuickContact is disabled 8450 */ 8451 private boolean isCrossProfileQuickContactDisabled(int userId) { 8452 return getCrossProfileCallerIdDisabledForUser(userId) 8453 && getCrossProfileContactsSearchDisabledForUser(userId); 8454 } 8455 8456 /** 8457 * @return the user ID of the managed user that is linked to the current user, if any. 8458 * Otherwise -1. 8459 */ 8460 public int getManagedUserId(int callingUserId) { 8461 if (VERBOSE_LOG) { 8462 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8463 } 8464 8465 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8466 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8467 continue; // Caller user self, or not a managed profile. Skip. 8468 } 8469 if (VERBOSE_LOG) { 8470 Log.v(LOG_TAG, "Managed user=" + ui.id); 8471 } 8472 return ui.id; 8473 } 8474 if (VERBOSE_LOG) { 8475 Log.v(LOG_TAG, "Managed user not found."); 8476 } 8477 return -1; 8478 } 8479 8480 @Override 8481 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8482 if (!mHasFeature) { 8483 return; 8484 } 8485 Preconditions.checkNotNull(who, "ComponentName is null"); 8486 synchronized (this) { 8487 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8488 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8489 if (admin.disableBluetoothContactSharing != disabled) { 8490 admin.disableBluetoothContactSharing = disabled; 8491 saveSettingsLocked(UserHandle.getCallingUserId()); 8492 } 8493 } 8494 } 8495 8496 @Override 8497 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8498 if (!mHasFeature) { 8499 return false; 8500 } 8501 Preconditions.checkNotNull(who, "ComponentName is null"); 8502 synchronized (this) { 8503 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8504 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8505 return admin.disableBluetoothContactSharing; 8506 } 8507 } 8508 8509 @Override 8510 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8511 // TODO: Should there be a check to make sure this relationship is 8512 // within a profile group? 8513 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8514 synchronized (this) { 8515 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8516 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8517 } 8518 } 8519 8520 @Override 8521 public void setLockTaskPackages(ComponentName who, String[] packages) 8522 throws SecurityException { 8523 Preconditions.checkNotNull(who, "ComponentName is null"); 8524 Preconditions.checkNotNull(packages, "packages is null"); 8525 8526 synchronized (this) { 8527 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8528 final int userHandle = mInjector.userHandleGetCallingUserId(); 8529 if (isUserAffiliatedWithDeviceLocked(userHandle)) { 8530 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8531 } else { 8532 throw new SecurityException("Admin " + who + 8533 " is neither the device owner or affiliated user's profile owner."); 8534 } 8535 } 8536 } 8537 8538 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8539 DevicePolicyData policy = getUserData(userHandle); 8540 policy.mLockTaskPackages = packages; 8541 8542 // Store the settings persistently. 8543 saveSettingsLocked(userHandle); 8544 updateLockTaskPackagesLocked(packages, userHandle); 8545 } 8546 8547 private void maybeClearLockTaskPackagesLocked() { 8548 final long ident = mInjector.binderClearCallingIdentity(); 8549 try { 8550 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 8551 for (int i = 0; i < userInfos.size(); i++) { 8552 int userId = userInfos.get(i).id; 8553 final List<String> lockTaskPackages = getUserData(userId).mLockTaskPackages; 8554 if (!lockTaskPackages.isEmpty() && 8555 !isUserAffiliatedWithDeviceLocked(userId)) { 8556 Slog.d(LOG_TAG, 8557 "User id " + userId + " not affiliated. Clearing lock task packages"); 8558 setLockTaskPackagesLocked(userId, Collections.<String>emptyList()); 8559 } 8560 } 8561 } finally { 8562 mInjector.binderRestoreCallingIdentity(ident); 8563 } 8564 } 8565 8566 @Override 8567 public String[] getLockTaskPackages(ComponentName who) { 8568 Preconditions.checkNotNull(who, "ComponentName is null"); 8569 8570 final int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8571 synchronized (this) { 8572 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8573 if (!isUserAffiliatedWithDeviceLocked(userHandle)) { 8574 throw new SecurityException("Admin " + who + 8575 " is neither the device owner or affiliated user's profile owner."); 8576 } 8577 8578 final List<String> packages = getUserData(userHandle).mLockTaskPackages; 8579 return packages.toArray(new String[packages.size()]); 8580 } 8581 } 8582 8583 @Override 8584 public boolean isLockTaskPermitted(String pkg) { 8585 final int userHandle = mInjector.userHandleGetCallingUserId(); 8586 synchronized (this) { 8587 return getUserData(userHandle).mLockTaskPackages.contains(pkg); 8588 } 8589 } 8590 8591 @Override 8592 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8593 if (!isCallerWithSystemUid()) { 8594 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8595 } 8596 synchronized (this) { 8597 final DevicePolicyData policy = getUserData(userHandle); 8598 Bundle adminExtras = new Bundle(); 8599 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8600 for (ActiveAdmin admin : policy.mAdminList) { 8601 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8602 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8603 if (ownsDevice || ownsProfile) { 8604 if (isEnabled) { 8605 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8606 adminExtras, null); 8607 } else { 8608 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8609 } 8610 } 8611 } 8612 } 8613 } 8614 8615 @Override 8616 public void setGlobalSetting(ComponentName who, String setting, String value) { 8617 Preconditions.checkNotNull(who, "ComponentName is null"); 8618 8619 synchronized (this) { 8620 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8621 8622 // Some settings are no supported any more. However we do not want to throw a 8623 // SecurityException to avoid breaking apps. 8624 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8625 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8626 return; 8627 } 8628 8629 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8630 throw new SecurityException(String.format( 8631 "Permission denial: device owners cannot update %1$s", setting)); 8632 } 8633 8634 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8635 // ignore if it contradicts an existing policy 8636 long timeMs = getMaximumTimeToLock( 8637 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8638 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8639 return; 8640 } 8641 } 8642 8643 long id = mInjector.binderClearCallingIdentity(); 8644 try { 8645 mInjector.settingsGlobalPutString(setting, value); 8646 } finally { 8647 mInjector.binderRestoreCallingIdentity(id); 8648 } 8649 } 8650 } 8651 8652 @Override 8653 public void setSecureSetting(ComponentName who, String setting, String value) { 8654 Preconditions.checkNotNull(who, "ComponentName is null"); 8655 int callingUserId = mInjector.userHandleGetCallingUserId(); 8656 8657 synchronized (this) { 8658 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8659 8660 if (isDeviceOwner(who, callingUserId)) { 8661 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8662 throw new SecurityException(String.format( 8663 "Permission denial: Device owners cannot update %1$s", setting)); 8664 } 8665 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8666 throw new SecurityException(String.format( 8667 "Permission denial: Profile owners cannot update %1$s", setting)); 8668 } 8669 8670 long id = mInjector.binderClearCallingIdentity(); 8671 try { 8672 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8673 } finally { 8674 mInjector.binderRestoreCallingIdentity(id); 8675 } 8676 } 8677 } 8678 8679 @Override 8680 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8681 Preconditions.checkNotNull(who, "ComponentName is null"); 8682 synchronized (this) { 8683 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8684 setUserRestriction(who, UserManager.DISALLOW_UNMUTE_DEVICE, on); 8685 } 8686 } 8687 8688 @Override 8689 public boolean isMasterVolumeMuted(ComponentName who) { 8690 Preconditions.checkNotNull(who, "ComponentName is null"); 8691 synchronized (this) { 8692 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8693 8694 AudioManager audioManager = 8695 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8696 return audioManager.isMasterMute(); 8697 } 8698 } 8699 8700 @Override 8701 public void setUserIcon(ComponentName who, Bitmap icon) { 8702 synchronized (this) { 8703 Preconditions.checkNotNull(who, "ComponentName is null"); 8704 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8705 8706 int userId = UserHandle.getCallingUserId(); 8707 long id = mInjector.binderClearCallingIdentity(); 8708 try { 8709 mUserManagerInternal.setUserIcon(userId, icon); 8710 } finally { 8711 mInjector.binderRestoreCallingIdentity(id); 8712 } 8713 } 8714 } 8715 8716 @Override 8717 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8718 Preconditions.checkNotNull(who, "ComponentName is null"); 8719 synchronized (this) { 8720 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8721 } 8722 final int userId = UserHandle.getCallingUserId(); 8723 8724 long ident = mInjector.binderClearCallingIdentity(); 8725 try { 8726 // disallow disabling the keyguard if a password is currently set 8727 if (disabled && mLockPatternUtils.isSecure(userId)) { 8728 return false; 8729 } 8730 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8731 } finally { 8732 mInjector.binderRestoreCallingIdentity(ident); 8733 } 8734 return true; 8735 } 8736 8737 @Override 8738 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8739 int userId = UserHandle.getCallingUserId(); 8740 synchronized (this) { 8741 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8742 DevicePolicyData policy = getUserData(userId); 8743 if (policy.mStatusBarDisabled != disabled) { 8744 if (!setStatusBarDisabledInternal(disabled, userId)) { 8745 return false; 8746 } 8747 policy.mStatusBarDisabled = disabled; 8748 saveSettingsLocked(userId); 8749 } 8750 } 8751 return true; 8752 } 8753 8754 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8755 long ident = mInjector.binderClearCallingIdentity(); 8756 try { 8757 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8758 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8759 if (statusBarService != null) { 8760 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8761 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8762 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8763 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8764 return true; 8765 } 8766 } catch (RemoteException e) { 8767 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8768 } finally { 8769 mInjector.binderRestoreCallingIdentity(ident); 8770 } 8771 return false; 8772 } 8773 8774 /** 8775 * We need to update the internal state of whether a user has completed setup or a 8776 * device has paired once. After that, we ignore any changes that reset the 8777 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 8778 * as we don't trust any apps that might try to reset them. 8779 * <p> 8780 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8781 * them. 8782 */ 8783 void updateUserSetupCompleteAndPaired() { 8784 List<UserInfo> users = mUserManager.getUsers(true); 8785 final int N = users.size(); 8786 for (int i = 0; i < N; i++) { 8787 int userHandle = users.get(i).id; 8788 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8789 userHandle) != 0) { 8790 DevicePolicyData policy = getUserData(userHandle); 8791 if (!policy.mUserSetupComplete) { 8792 policy.mUserSetupComplete = true; 8793 synchronized (this) { 8794 saveSettingsLocked(userHandle); 8795 } 8796 } 8797 } 8798 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 8799 userHandle) != 0) { 8800 DevicePolicyData policy = getUserData(userHandle); 8801 if (!policy.mPaired) { 8802 policy.mPaired = true; 8803 synchronized (this) { 8804 saveSettingsLocked(userHandle); 8805 } 8806 } 8807 } 8808 } 8809 } 8810 8811 private class SetupContentObserver extends ContentObserver { 8812 8813 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8814 Settings.Secure.USER_SETUP_COMPLETE); 8815 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8816 Settings.Global.DEVICE_PROVISIONED); 8817 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 8818 8819 public SetupContentObserver(Handler handler) { 8820 super(handler); 8821 } 8822 8823 void register() { 8824 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8825 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8826 if (mIsWatch) { 8827 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 8828 } 8829 } 8830 8831 @Override 8832 public void onChange(boolean selfChange, Uri uri) { 8833 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 8834 updateUserSetupCompleteAndPaired(); 8835 } else if (mDeviceProvisioned.equals(uri)) { 8836 synchronized (DevicePolicyManagerService.this) { 8837 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8838 // is delayed until device is marked as provisioned. 8839 setDeviceOwnerSystemPropertyLocked(); 8840 } 8841 } 8842 } 8843 } 8844 8845 @VisibleForTesting 8846 final class LocalService extends DevicePolicyManagerInternal { 8847 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8848 8849 @Override 8850 public List<String> getCrossProfileWidgetProviders(int profileId) { 8851 synchronized (DevicePolicyManagerService.this) { 8852 if (mOwners == null) { 8853 return Collections.emptyList(); 8854 } 8855 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8856 if (ownerComponent == null) { 8857 return Collections.emptyList(); 8858 } 8859 8860 DevicePolicyData policy = getUserDataUnchecked(profileId); 8861 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8862 8863 if (admin == null || admin.crossProfileWidgetProviders == null 8864 || admin.crossProfileWidgetProviders.isEmpty()) { 8865 return Collections.emptyList(); 8866 } 8867 8868 return admin.crossProfileWidgetProviders; 8869 } 8870 } 8871 8872 @Override 8873 public void addOnCrossProfileWidgetProvidersChangeListener( 8874 OnCrossProfileWidgetProvidersChangeListener listener) { 8875 synchronized (DevicePolicyManagerService.this) { 8876 if (mWidgetProviderListeners == null) { 8877 mWidgetProviderListeners = new ArrayList<>(); 8878 } 8879 if (!mWidgetProviderListeners.contains(listener)) { 8880 mWidgetProviderListeners.add(listener); 8881 } 8882 } 8883 } 8884 8885 @Override 8886 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8887 synchronized(DevicePolicyManagerService.this) { 8888 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8889 } 8890 } 8891 8892 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8893 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8894 synchronized (DevicePolicyManagerService.this) { 8895 listeners = new ArrayList<>(mWidgetProviderListeners); 8896 } 8897 final int listenerCount = listeners.size(); 8898 for (int i = 0; i < listenerCount; i++) { 8899 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8900 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8901 } 8902 } 8903 8904 @Override 8905 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 8906 // This method is called from AM with its lock held, so don't take the DPMS lock. 8907 // b/29242568 8908 8909 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8910 if (profileOwner != null) { 8911 return DevicePolicyManagerService.this 8912 .createShowAdminSupportIntent(profileOwner, userId); 8913 } 8914 8915 final Pair<Integer, ComponentName> deviceOwner = 8916 mOwners.getDeviceOwnerUserIdAndComponent(); 8917 if (deviceOwner != null && deviceOwner.first == userId) { 8918 return DevicePolicyManagerService.this 8919 .createShowAdminSupportIntent(deviceOwner.second, userId); 8920 } 8921 8922 // We're not specifying the device admin because there isn't one. 8923 if (useDefaultIfNoAdmin) { 8924 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 8925 } 8926 return null; 8927 } 8928 8929 @Override 8930 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 8931 int source; 8932 long ident = mInjector.binderClearCallingIdentity(); 8933 try { 8934 source = mUserManager.getUserRestrictionSource(userRestriction, 8935 UserHandle.of(userId)); 8936 } finally { 8937 mInjector.binderRestoreCallingIdentity(ident); 8938 } 8939 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 8940 /* 8941 * In this case, the user restriction is enforced by the system. 8942 * So we won't show an admin support intent, even if it is also 8943 * enforced by a profile/device owner. 8944 */ 8945 return null; 8946 } 8947 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 8948 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 8949 if (enforcedByDo && enforcedByPo) { 8950 // In this case, we'll show an admin support dialog that does not 8951 // specify the admin. 8952 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 8953 } else if (enforcedByPo) { 8954 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8955 if (profileOwner != null) { 8956 return DevicePolicyManagerService.this 8957 .createShowAdminSupportIntent(profileOwner, userId); 8958 } 8959 // This could happen if another thread has changed the profile owner since we called 8960 // getUserRestrictionSource 8961 return null; 8962 } else if (enforcedByDo) { 8963 final Pair<Integer, ComponentName> deviceOwner 8964 = mOwners.getDeviceOwnerUserIdAndComponent(); 8965 if (deviceOwner != null) { 8966 return DevicePolicyManagerService.this 8967 .createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 8968 } 8969 // This could happen if another thread has changed the device owner since we called 8970 // getUserRestrictionSource 8971 return null; 8972 } 8973 return null; 8974 } 8975 } 8976 8977 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 8978 // This method is called with AMS lock held, so don't take DPMS lock 8979 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8980 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8981 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 8982 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8983 return intent; 8984 } 8985 8986 @Override 8987 public Intent createAdminSupportIntent(String restriction) { 8988 Preconditions.checkNotNull(restriction); 8989 final int uid = mInjector.binderGetCallingUid(); 8990 final int userId = UserHandle.getUserId(uid); 8991 Intent intent = null; 8992 if (DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction) || 8993 DevicePolicyManager.POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction)) { 8994 synchronized(this) { 8995 final DevicePolicyData policy = getUserData(userId); 8996 final int N = policy.mAdminList.size(); 8997 for (int i = 0; i < N; i++) { 8998 final ActiveAdmin admin = policy.mAdminList.get(i); 8999 if ((admin.disableCamera && 9000 DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) || 9001 (admin.disableScreenCapture && DevicePolicyManager 9002 .POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction))) { 9003 intent = createShowAdminSupportIntent(admin.info.getComponent(), userId); 9004 break; 9005 } 9006 } 9007 // For the camera, a device owner on a different user can disable it globally, 9008 // so we need an additional check. 9009 if (intent == null 9010 && DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) { 9011 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 9012 if (admin != null && admin.disableCamera) { 9013 intent = createShowAdminSupportIntent(admin.info.getComponent(), 9014 mOwners.getDeviceOwnerUserId()); 9015 } 9016 } 9017 } 9018 } else { 9019 // if valid, |restriction| can only be a user restriction 9020 intent = mLocalService.createUserRestrictionSupportIntent(userId, restriction); 9021 } 9022 if (intent != null) { 9023 intent.putExtra(DevicePolicyManager.EXTRA_RESTRICTION, restriction); 9024 } 9025 return intent; 9026 } 9027 9028 /** 9029 * Returns true if specified admin is allowed to limit passwords and has a 9030 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 9031 */ 9032 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 9033 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 9034 return false; 9035 } 9036 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 9037 } 9038 9039 @Override 9040 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 9041 if (policy != null && !policy.isValid()) { 9042 throw new IllegalArgumentException("Invalid system update policy."); 9043 } 9044 synchronized (this) { 9045 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9046 if (policy == null) { 9047 mOwners.clearSystemUpdatePolicy(); 9048 } else { 9049 mOwners.setSystemUpdatePolicy(policy); 9050 } 9051 mOwners.writeDeviceOwner(); 9052 } 9053 mContext.sendBroadcastAsUser( 9054 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 9055 UserHandle.SYSTEM); 9056 } 9057 9058 @Override 9059 public SystemUpdatePolicy getSystemUpdatePolicy() { 9060 if (UserManager.isDeviceInDemoMode(mContext)) { 9061 // Pretending to have an automatic update policy when the device is in retail demo 9062 // mode. This will allow the device to download and install an ota without 9063 // any user interaction. 9064 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 9065 } 9066 synchronized (this) { 9067 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 9068 if (policy != null && !policy.isValid()) { 9069 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 9070 return null; 9071 } 9072 return policy; 9073 } 9074 } 9075 9076 /** 9077 * Checks if the caller of the method is the device owner app. 9078 * 9079 * @param callerUid UID of the caller. 9080 * @return true if the caller is the device owner app 9081 */ 9082 @VisibleForTesting 9083 boolean isCallerDeviceOwner(int callerUid) { 9084 synchronized (this) { 9085 if (!mOwners.hasDeviceOwner()) { 9086 return false; 9087 } 9088 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 9089 return false; 9090 } 9091 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 9092 .getPackageName(); 9093 final String[] pkgs = mInjector.getPackageManager().getPackagesForUid(callerUid); 9094 9095 for (String pkg : pkgs) { 9096 if (deviceOwnerPackageName.equals(pkg)) { 9097 return true; 9098 } 9099 } 9100 } 9101 9102 return false; 9103 } 9104 9105 @Override 9106 public void notifyPendingSystemUpdate(@Nullable SystemUpdateInfo info) { 9107 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 9108 "Only the system update service can broadcast update information"); 9109 9110 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 9111 Slog.w(LOG_TAG, "Only the system update service in the system user " + 9112 "can broadcast update information."); 9113 return; 9114 } 9115 9116 if (!mOwners.saveSystemUpdateInfo(info)) { 9117 // Pending system update hasn't changed, don't send duplicate notification. 9118 return; 9119 } 9120 9121 final Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE) 9122 .putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 9123 info == null ? -1 : info.getReceivedTime()); 9124 9125 final long ident = mInjector.binderClearCallingIdentity(); 9126 try { 9127 synchronized (this) { 9128 // Broadcast to device owner first if there is one. 9129 if (mOwners.hasDeviceOwner()) { 9130 final UserHandle deviceOwnerUser = 9131 UserHandle.of(mOwners.getDeviceOwnerUserId()); 9132 intent.setComponent(mOwners.getDeviceOwnerComponent()); 9133 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 9134 } 9135 } 9136 // Get running users. 9137 final int runningUserIds[]; 9138 try { 9139 runningUserIds = mInjector.getIActivityManager().getRunningUserIds(); 9140 } catch (RemoteException e) { 9141 // Shouldn't happen. 9142 Log.e(LOG_TAG, "Could not retrieve the list of running users", e); 9143 return; 9144 } 9145 // Send broadcasts to corresponding profile owners if any. 9146 for (final int userId : runningUserIds) { 9147 synchronized (this) { 9148 final ComponentName profileOwnerPackage = 9149 mOwners.getProfileOwnerComponent(userId); 9150 if (profileOwnerPackage != null) { 9151 intent.setComponent(profileOwnerPackage); 9152 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 9153 } 9154 } 9155 } 9156 } finally { 9157 mInjector.binderRestoreCallingIdentity(ident); 9158 } 9159 } 9160 9161 @Override 9162 public SystemUpdateInfo getPendingSystemUpdate(ComponentName admin) { 9163 Preconditions.checkNotNull(admin, "ComponentName is null"); 9164 enforceProfileOrDeviceOwner(admin); 9165 9166 return mOwners.getSystemUpdateInfo(); 9167 } 9168 9169 @Override 9170 public void setPermissionPolicy(ComponentName admin, String callerPackage, int policy) 9171 throws RemoteException { 9172 int userId = UserHandle.getCallingUserId(); 9173 synchronized (this) { 9174 // Ensure the caller is a DO/PO or a permission grant state delegate. 9175 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9176 DELEGATION_PERMISSION_GRANT); 9177 DevicePolicyData userPolicy = getUserData(userId); 9178 if (userPolicy.mPermissionPolicy != policy) { 9179 userPolicy.mPermissionPolicy = policy; 9180 saveSettingsLocked(userId); 9181 } 9182 } 9183 } 9184 9185 @Override 9186 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 9187 int userId = UserHandle.getCallingUserId(); 9188 synchronized (this) { 9189 DevicePolicyData userPolicy = getUserData(userId); 9190 return userPolicy.mPermissionPolicy; 9191 } 9192 } 9193 9194 @Override 9195 public boolean setPermissionGrantState(ComponentName admin, String callerPackage, 9196 String packageName, String permission, int grantState) throws RemoteException { 9197 UserHandle user = mInjector.binderGetCallingUserHandle(); 9198 synchronized (this) { 9199 // Ensure the caller is a DO/PO or a permission grant state delegate. 9200 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9201 DELEGATION_PERMISSION_GRANT); 9202 long ident = mInjector.binderClearCallingIdentity(); 9203 try { 9204 if (getTargetSdk(packageName, user.getIdentifier()) 9205 < android.os.Build.VERSION_CODES.M) { 9206 return false; 9207 } 9208 final PackageManager packageManager = mInjector.getPackageManager(); 9209 switch (grantState) { 9210 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 9211 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 9212 permission, user.getIdentifier(), true /* override policy */); 9213 packageManager.updatePermissionFlags(permission, packageName, 9214 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9215 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9216 } break; 9217 9218 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 9219 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 9220 permission, user.getIdentifier(), true /* override policy */); 9221 packageManager.updatePermissionFlags(permission, packageName, 9222 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9223 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9224 } break; 9225 9226 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 9227 packageManager.updatePermissionFlags(permission, packageName, 9228 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 9229 } break; 9230 } 9231 return true; 9232 } catch (SecurityException se) { 9233 return false; 9234 } finally { 9235 mInjector.binderRestoreCallingIdentity(ident); 9236 } 9237 } 9238 } 9239 9240 @Override 9241 public int getPermissionGrantState(ComponentName admin, String callerPackage, 9242 String packageName, String permission) throws RemoteException { 9243 PackageManager packageManager = mInjector.getPackageManager(); 9244 9245 UserHandle user = mInjector.binderGetCallingUserHandle(); 9246 if (!isCallerWithSystemUid()) { 9247 // Ensure the caller is a DO/PO or a permission grant state delegate. 9248 enforceCanManageScope(admin, callerPackage, 9249 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, DELEGATION_PERMISSION_GRANT); 9250 } 9251 synchronized (this) { 9252 long ident = mInjector.binderClearCallingIdentity(); 9253 try { 9254 int granted = mIPackageManager.checkPermission(permission, 9255 packageName, user.getIdentifier()); 9256 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 9257 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 9258 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 9259 // Not controlled by policy 9260 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 9261 } else { 9262 // Policy controlled so return result based on permission grant state 9263 return granted == PackageManager.PERMISSION_GRANTED 9264 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 9265 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 9266 } 9267 } finally { 9268 mInjector.binderRestoreCallingIdentity(ident); 9269 } 9270 } 9271 } 9272 9273 boolean isPackageInstalledForUser(String packageName, int userHandle) { 9274 try { 9275 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 9276 userHandle); 9277 return (pi != null) && (pi.applicationInfo.flags != 0); 9278 } catch (RemoteException re) { 9279 throw new RuntimeException("Package manager has died", re); 9280 } 9281 } 9282 9283 @Override 9284 public boolean isProvisioningAllowed(String action, String packageName) { 9285 Preconditions.checkNotNull(packageName); 9286 9287 final int callingUid = mInjector.binderGetCallingUid(); 9288 final long ident = mInjector.binderClearCallingIdentity(); 9289 try { 9290 final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( 9291 packageName, UserHandle.getUserId(callingUid)); 9292 Preconditions.checkArgument(callingUid == uidForPackage, 9293 "Caller uid doesn't match the one for the provided package."); 9294 } catch (NameNotFoundException e) { 9295 throw new IllegalArgumentException("Invalid package provided " + packageName, e); 9296 } finally { 9297 mInjector.binderRestoreCallingIdentity(ident); 9298 } 9299 9300 return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; 9301 } 9302 9303 @Override 9304 public int checkProvisioningPreCondition(String action, String packageName) { 9305 Preconditions.checkNotNull(packageName); 9306 enforceCanManageProfileAndDeviceOwners(); 9307 return checkProvisioningPreConditionSkipPermission(action, packageName); 9308 } 9309 9310 private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { 9311 if (!mHasFeature) { 9312 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 9313 } 9314 9315 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9316 if (action != null) { 9317 switch (action) { 9318 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 9319 return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); 9320 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 9321 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9322 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 9323 return checkManagedUserProvisioningPreCondition(callingUserId); 9324 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 9325 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 9326 } 9327 } 9328 throw new IllegalArgumentException("Unknown provisioning action " + action); 9329 } 9330 9331 /** 9332 * The device owner can only be set before the setup phase of the primary user has completed, 9333 * except for adb command if no accounts or additional users are present on the device. 9334 */ 9335 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 9336 int deviceOwnerUserId, boolean isAdb, boolean hasIncompatibleAccountsOrNonAdb) { 9337 if (mOwners.hasDeviceOwner()) { 9338 return CODE_HAS_DEVICE_OWNER; 9339 } 9340 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 9341 return CODE_USER_HAS_PROFILE_OWNER; 9342 } 9343 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 9344 return CODE_USER_NOT_RUNNING; 9345 } 9346 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9347 return CODE_HAS_PAIRED; 9348 } 9349 if (isAdb) { 9350 // if shell command runs after user setup completed check device status. Otherwise, OK. 9351 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9352 if (!mInjector.userManagerIsSplitSystemUser()) { 9353 if (mUserManager.getUserCount() > 1) { 9354 return CODE_NONSYSTEM_USER_EXISTS; 9355 } 9356 if (hasIncompatibleAccountsOrNonAdb) { 9357 return CODE_ACCOUNTS_NOT_EMPTY; 9358 } 9359 } else { 9360 // STOPSHIP Do proper check in split user mode 9361 } 9362 } 9363 return CODE_OK; 9364 } else { 9365 if (!mInjector.userManagerIsSplitSystemUser()) { 9366 // In non-split user mode, DO has to be user 0 9367 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 9368 return CODE_NOT_SYSTEM_USER; 9369 } 9370 // In non-split user mode, only provision DO before setup wizard completes 9371 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9372 return CODE_USER_SETUP_COMPLETED; 9373 } 9374 } else { 9375 // STOPSHIP Do proper check in split user mode 9376 } 9377 return CODE_OK; 9378 } 9379 } 9380 9381 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 9382 synchronized (this) { 9383 // hasIncompatibleAccountsOrNonAdb doesn't matter since the caller is not adb. 9384 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 9385 deviceOwnerUserId, /* isAdb= */ false, 9386 /* hasIncompatibleAccountsOrNonAdb=*/ true); 9387 } 9388 } 9389 9390 private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { 9391 if (!hasFeatureManagedUsers()) { 9392 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9393 } 9394 if (callingUserId == UserHandle.USER_SYSTEM 9395 && mInjector.userManagerIsSplitSystemUser()) { 9396 // Managed-profiles cannot be setup on the system user. 9397 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 9398 } 9399 if (getProfileOwner(callingUserId) != null) { 9400 // Managed user cannot have a managed profile. 9401 return CODE_USER_HAS_PROFILE_OWNER; 9402 } 9403 9404 final long ident = mInjector.binderClearCallingIdentity(); 9405 try { 9406 final UserHandle callingUserHandle = UserHandle.of(callingUserId); 9407 final ComponentName ownerAdmin = getOwnerComponent(packageName, callingUserId); 9408 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_MANAGED_PROFILE, 9409 callingUserHandle)) { 9410 // An admin can initiate provisioning if it has set the restriction. 9411 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9412 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { 9413 return CODE_ADD_MANAGED_PROFILE_DISALLOWED; 9414 } 9415 } 9416 boolean canRemoveProfile = true; 9417 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9418 callingUserHandle)) { 9419 // We can remove a profile if the admin itself has set the restriction. 9420 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9421 UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9422 callingUserId)) { 9423 canRemoveProfile = false; 9424 } 9425 } 9426 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 9427 return CODE_CANNOT_ADD_MANAGED_PROFILE; 9428 } 9429 } finally { 9430 mInjector.binderRestoreCallingIdentity(ident); 9431 } 9432 return CODE_OK; 9433 } 9434 9435 private ComponentName getOwnerComponent(String packageName, int userId) { 9436 if (isDeviceOwnerPackage(packageName, userId)) { 9437 return mOwners.getDeviceOwnerComponent(); 9438 } 9439 if (isProfileOwnerPackage(packageName, userId)) { 9440 return mOwners.getProfileOwnerComponent(userId); 9441 } 9442 return null; 9443 } 9444 9445 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 9446 if (!hasFeatureManagedUsers()) { 9447 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9448 } 9449 if (!mInjector.userManagerIsSplitSystemUser()) { 9450 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 9451 return CODE_NOT_SYSTEM_USER_SPLIT; 9452 } 9453 if (callingUserId == UserHandle.USER_SYSTEM) { 9454 // System user cannot be a managed user. 9455 return CODE_SYSTEM_USER; 9456 } 9457 if (hasUserSetupCompleted(callingUserId)) { 9458 return CODE_USER_SETUP_COMPLETED; 9459 } 9460 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9461 return CODE_HAS_PAIRED; 9462 } 9463 return CODE_OK; 9464 } 9465 9466 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 9467 if (!mInjector.userManagerIsSplitSystemUser()) { 9468 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 9469 return CODE_NOT_SYSTEM_USER_SPLIT; 9470 } 9471 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9472 } 9473 9474 private boolean hasFeatureManagedUsers() { 9475 try { 9476 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 9477 } catch (RemoteException e) { 9478 return false; 9479 } 9480 } 9481 9482 @Override 9483 public String getWifiMacAddress(ComponentName admin) { 9484 // Make sure caller has DO. 9485 synchronized (this) { 9486 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9487 } 9488 9489 final long ident = mInjector.binderClearCallingIdentity(); 9490 try { 9491 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 9492 if (wifiInfo == null) { 9493 return null; 9494 } 9495 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 9496 } finally { 9497 mInjector.binderRestoreCallingIdentity(ident); 9498 } 9499 } 9500 9501 /** 9502 * Returns the target sdk version number that the given packageName was built for 9503 * in the given user. 9504 */ 9505 private int getTargetSdk(String packageName, int userId) { 9506 final ApplicationInfo ai; 9507 try { 9508 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 9509 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 9510 return targetSdkVersion; 9511 } catch (RemoteException e) { 9512 // Shouldn't happen 9513 return 0; 9514 } 9515 } 9516 9517 @Override 9518 public boolean isManagedProfile(ComponentName admin) { 9519 enforceProfileOrDeviceOwner(admin); 9520 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 9521 } 9522 9523 @Override 9524 public boolean isSystemOnlyUser(ComponentName admin) { 9525 synchronized (this) { 9526 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9527 } 9528 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9529 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 9530 } 9531 9532 @Override 9533 public void reboot(ComponentName admin) { 9534 Preconditions.checkNotNull(admin); 9535 // Make sure caller has DO. 9536 synchronized (this) { 9537 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9538 } 9539 long ident = mInjector.binderClearCallingIdentity(); 9540 try { 9541 // Make sure there are no ongoing calls on the device. 9542 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 9543 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 9544 } 9545 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 9546 } finally { 9547 mInjector.binderRestoreCallingIdentity(ident); 9548 } 9549 } 9550 9551 @Override 9552 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9553 if (!mHasFeature) { 9554 return; 9555 } 9556 Preconditions.checkNotNull(who, "ComponentName is null"); 9557 final int userHandle = mInjector.userHandleGetCallingUserId(); 9558 synchronized (this) { 9559 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9560 mInjector.binderGetCallingUid()); 9561 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9562 admin.shortSupportMessage = message; 9563 saveSettingsLocked(userHandle); 9564 } 9565 } 9566 } 9567 9568 @Override 9569 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9570 if (!mHasFeature) { 9571 return null; 9572 } 9573 Preconditions.checkNotNull(who, "ComponentName is null"); 9574 synchronized (this) { 9575 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9576 mInjector.binderGetCallingUid()); 9577 return admin.shortSupportMessage; 9578 } 9579 } 9580 9581 @Override 9582 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9583 if (!mHasFeature) { 9584 return; 9585 } 9586 Preconditions.checkNotNull(who, "ComponentName is null"); 9587 final int userHandle = mInjector.userHandleGetCallingUserId(); 9588 synchronized (this) { 9589 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9590 mInjector.binderGetCallingUid()); 9591 if (!TextUtils.equals(admin.longSupportMessage, message)) { 9592 admin.longSupportMessage = message; 9593 saveSettingsLocked(userHandle); 9594 } 9595 } 9596 } 9597 9598 @Override 9599 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 9600 if (!mHasFeature) { 9601 return null; 9602 } 9603 Preconditions.checkNotNull(who, "ComponentName is null"); 9604 synchronized (this) { 9605 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9606 mInjector.binderGetCallingUid()); 9607 return admin.longSupportMessage; 9608 } 9609 } 9610 9611 @Override 9612 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9613 if (!mHasFeature) { 9614 return null; 9615 } 9616 Preconditions.checkNotNull(who, "ComponentName is null"); 9617 if (!isCallerWithSystemUid()) { 9618 throw new SecurityException("Only the system can query support message for user"); 9619 } 9620 synchronized (this) { 9621 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9622 if (admin != null) { 9623 return admin.shortSupportMessage; 9624 } 9625 } 9626 return null; 9627 } 9628 9629 @Override 9630 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9631 if (!mHasFeature) { 9632 return null; 9633 } 9634 Preconditions.checkNotNull(who, "ComponentName is null"); 9635 if (!isCallerWithSystemUid()) { 9636 throw new SecurityException("Only the system can query support message for user"); 9637 } 9638 synchronized (this) { 9639 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9640 if (admin != null) { 9641 return admin.longSupportMessage; 9642 } 9643 } 9644 return null; 9645 } 9646 9647 @Override 9648 public void setOrganizationColor(@NonNull ComponentName who, int color) { 9649 if (!mHasFeature) { 9650 return; 9651 } 9652 Preconditions.checkNotNull(who, "ComponentName is null"); 9653 final int userHandle = mInjector.userHandleGetCallingUserId(); 9654 enforceManagedProfile(userHandle, "set organization color"); 9655 synchronized (this) { 9656 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9657 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9658 admin.organizationColor = color; 9659 saveSettingsLocked(userHandle); 9660 } 9661 } 9662 9663 @Override 9664 public void setOrganizationColorForUser(int color, int userId) { 9665 if (!mHasFeature) { 9666 return; 9667 } 9668 enforceFullCrossUsersPermission(userId); 9669 enforceManageUsers(); 9670 enforceManagedProfile(userId, "set organization color"); 9671 synchronized (this) { 9672 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 9673 admin.organizationColor = color; 9674 saveSettingsLocked(userId); 9675 } 9676 } 9677 9678 @Override 9679 public int getOrganizationColor(@NonNull ComponentName who) { 9680 if (!mHasFeature) { 9681 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9682 } 9683 Preconditions.checkNotNull(who, "ComponentName is null"); 9684 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 9685 synchronized (this) { 9686 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9687 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9688 return admin.organizationColor; 9689 } 9690 } 9691 9692 @Override 9693 public int getOrganizationColorForUser(int userHandle) { 9694 if (!mHasFeature) { 9695 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9696 } 9697 enforceFullCrossUsersPermission(userHandle); 9698 enforceManagedProfile(userHandle, "get organization color"); 9699 synchronized (this) { 9700 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9701 return (profileOwner != null) 9702 ? profileOwner.organizationColor 9703 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 9704 } 9705 } 9706 9707 @Override 9708 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 9709 if (!mHasFeature) { 9710 return; 9711 } 9712 Preconditions.checkNotNull(who, "ComponentName is null"); 9713 final int userHandle = mInjector.userHandleGetCallingUserId(); 9714 9715 synchronized (this) { 9716 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9717 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9718 if (!TextUtils.equals(admin.organizationName, text)) { 9719 admin.organizationName = (text == null || text.length() == 0) 9720 ? null : text.toString(); 9721 saveSettingsLocked(userHandle); 9722 } 9723 } 9724 } 9725 9726 @Override 9727 public CharSequence getOrganizationName(@NonNull ComponentName who) { 9728 if (!mHasFeature) { 9729 return null; 9730 } 9731 Preconditions.checkNotNull(who, "ComponentName is null"); 9732 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 9733 synchronized(this) { 9734 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9735 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9736 return admin.organizationName; 9737 } 9738 } 9739 9740 @Override 9741 public CharSequence getDeviceOwnerOrganizationName() { 9742 if (!mHasFeature) { 9743 return null; 9744 } 9745 enforceDeviceOwnerOrManageUsers(); 9746 synchronized(this) { 9747 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 9748 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 9749 } 9750 } 9751 9752 @Override 9753 public CharSequence getOrganizationNameForUser(int userHandle) { 9754 if (!mHasFeature) { 9755 return null; 9756 } 9757 enforceFullCrossUsersPermission(userHandle); 9758 enforceManagedProfile(userHandle, "get organization name"); 9759 synchronized (this) { 9760 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9761 return (profileOwner != null) 9762 ? profileOwner.organizationName 9763 : null; 9764 } 9765 } 9766 9767 @Override 9768 public void setAffiliationIds(ComponentName admin, List<String> ids) { 9769 if (!mHasFeature) { 9770 return; 9771 } 9772 9773 Preconditions.checkNotNull(admin); 9774 Preconditions.checkCollectionElementsNotNull(ids, "ids"); 9775 9776 final Set<String> affiliationIds = new ArraySet<String>(ids); 9777 Preconditions.checkArgument( 9778 !affiliationIds.contains(""), "ids must not contain empty strings"); 9779 9780 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9781 synchronized (this) { 9782 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9783 getUserData(callingUserId).mAffiliationIds = affiliationIds; 9784 saveSettingsLocked(callingUserId); 9785 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 9786 // Affiliation ids specified by the device owner are additionally stored in 9787 // UserHandle.USER_SYSTEM's DevicePolicyData. 9788 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 9789 saveSettingsLocked(UserHandle.USER_SYSTEM); 9790 } 9791 9792 // Affiliation status for any user, not just the calling user, might have changed. 9793 // The device owner user will still be affiliated after changing its affiliation ids, 9794 // but as a result of that other users might become affiliated or un-affiliated. 9795 maybePauseDeviceWideLoggingLocked(); 9796 maybeResumeDeviceWideLoggingLocked(); 9797 maybeClearLockTaskPackagesLocked(); 9798 } 9799 } 9800 9801 @Override 9802 public List<String> getAffiliationIds(ComponentName admin) { 9803 if (!mHasFeature) { 9804 return Collections.emptyList(); 9805 } 9806 9807 Preconditions.checkNotNull(admin); 9808 synchronized (this) { 9809 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9810 return new ArrayList<String>( 9811 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 9812 } 9813 } 9814 9815 @Override 9816 public boolean isAffiliatedUser() { 9817 if (!mHasFeature) { 9818 return false; 9819 } 9820 9821 synchronized (this) { 9822 return isUserAffiliatedWithDeviceLocked(mInjector.userHandleGetCallingUserId()); 9823 } 9824 } 9825 9826 private boolean isUserAffiliatedWithDeviceLocked(int userId) { 9827 if (!mOwners.hasDeviceOwner()) { 9828 return false; 9829 } 9830 if (userId == mOwners.getDeviceOwnerUserId()) { 9831 // The user that the DO is installed on is always affiliated with the device. 9832 return true; 9833 } 9834 if (userId == UserHandle.USER_SYSTEM) { 9835 // The system user is always affiliated in a DO device, even if the DO is set on a 9836 // different user. This could be the case if the DO is set in the primary user 9837 // of a split user device. 9838 return true; 9839 } 9840 final ComponentName profileOwner = getProfileOwner(userId); 9841 if (profileOwner == null) { 9842 return false; 9843 } 9844 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 9845 final Set<String> deviceAffiliationIds = 9846 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 9847 for (String id : userAffiliationIds) { 9848 if (deviceAffiliationIds.contains(id)) { 9849 return true; 9850 } 9851 } 9852 return false; 9853 } 9854 9855 private boolean areAllUsersAffiliatedWithDeviceLocked() { 9856 final long ident = mInjector.binderClearCallingIdentity(); 9857 try { 9858 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 9859 for (int i = 0; i < userInfos.size(); i++) { 9860 int userId = userInfos.get(i).id; 9861 if (!isUserAffiliatedWithDeviceLocked(userId)) { 9862 Slog.d(LOG_TAG, "User id " + userId + " not affiliated."); 9863 return false; 9864 } 9865 } 9866 } finally { 9867 mInjector.binderRestoreCallingIdentity(ident); 9868 } 9869 9870 return true; 9871 } 9872 9873 @Override 9874 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 9875 if (!mHasFeature) { 9876 return; 9877 } 9878 Preconditions.checkNotNull(admin); 9879 9880 synchronized (this) { 9881 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9882 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 9883 return; 9884 } 9885 mInjector.securityLogSetLoggingEnabledProperty(enabled); 9886 if (enabled) { 9887 mSecurityLogMonitor.start(); 9888 maybePauseDeviceWideLoggingLocked(); 9889 } else { 9890 mSecurityLogMonitor.stop(); 9891 } 9892 } 9893 } 9894 9895 @Override 9896 public boolean isSecurityLoggingEnabled(ComponentName admin) { 9897 if (!mHasFeature) { 9898 return false; 9899 } 9900 9901 Preconditions.checkNotNull(admin); 9902 synchronized (this) { 9903 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9904 return mInjector.securityLogGetLoggingEnabledProperty(); 9905 } 9906 } 9907 9908 private synchronized void recordSecurityLogRetrievalTime() { 9909 final long currentTime = System.currentTimeMillis(); 9910 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 9911 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 9912 policyData.mLastSecurityLogRetrievalTime = currentTime; 9913 saveSettingsLocked(UserHandle.USER_SYSTEM); 9914 } 9915 } 9916 9917 @Override 9918 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 9919 if (!mHasFeature) { 9920 return null; 9921 } 9922 9923 Preconditions.checkNotNull(admin); 9924 ensureDeviceOwnerAndAllUsersAffiliated(admin); 9925 9926 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs) 9927 || !mInjector.securityLogGetLoggingEnabledProperty()) { 9928 return null; 9929 } 9930 9931 recordSecurityLogRetrievalTime(); 9932 9933 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 9934 try { 9935 SecurityLog.readPreviousEvents(output); 9936 return new ParceledListSlice<SecurityEvent>(output); 9937 } catch (IOException e) { 9938 Slog.w(LOG_TAG, "Fail to read previous events" , e); 9939 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 9940 } 9941 } 9942 9943 @Override 9944 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 9945 if (!mHasFeature) { 9946 return null; 9947 } 9948 9949 Preconditions.checkNotNull(admin); 9950 ensureDeviceOwnerAndAllUsersAffiliated(admin); 9951 9952 if (!mInjector.securityLogGetLoggingEnabledProperty()) { 9953 return null; 9954 } 9955 9956 recordSecurityLogRetrievalTime(); 9957 9958 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 9959 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 9960 } 9961 9962 private void enforceCanManageDeviceAdmin() { 9963 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 9964 null); 9965 } 9966 9967 private void enforceCanManageProfileAndDeviceOwners() { 9968 mContext.enforceCallingOrSelfPermission( 9969 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 9970 } 9971 9972 private void enforceCallerSystemUserHandle() { 9973 final int callingUid = mInjector.binderGetCallingUid(); 9974 final int userId = UserHandle.getUserId(callingUid); 9975 if (userId != UserHandle.USER_SYSTEM) { 9976 throw new SecurityException("Caller has to be in user 0"); 9977 } 9978 } 9979 9980 @Override 9981 public boolean isUninstallInQueue(final String packageName) { 9982 enforceCanManageDeviceAdmin(); 9983 final int userId = mInjector.userHandleGetCallingUserId(); 9984 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9985 synchronized (this) { 9986 return mPackagesToRemove.contains(packageUserPair); 9987 } 9988 } 9989 9990 @Override 9991 public void uninstallPackageWithActiveAdmins(final String packageName) { 9992 enforceCanManageDeviceAdmin(); 9993 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 9994 9995 final int userId = mInjector.userHandleGetCallingUserId(); 9996 9997 enforceUserUnlocked(userId); 9998 9999 final ComponentName profileOwner = getProfileOwner(userId); 10000 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 10001 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 10002 } 10003 10004 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 10005 if (getDeviceOwnerUserId() == userId && deviceOwner != null 10006 && packageName.equals(deviceOwner.getPackageName())) { 10007 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 10008 } 10009 10010 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10011 synchronized (this) { 10012 mPackagesToRemove.add(packageUserPair); 10013 } 10014 10015 // All active admins on the user. 10016 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 10017 10018 // Active admins in the target package. 10019 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 10020 if (allActiveAdmins != null) { 10021 for (ComponentName activeAdmin : allActiveAdmins) { 10022 if (packageName.equals(activeAdmin.getPackageName())) { 10023 packageActiveAdmins.add(activeAdmin); 10024 removeActiveAdmin(activeAdmin, userId); 10025 } 10026 } 10027 } 10028 if (packageActiveAdmins.size() == 0) { 10029 startUninstallIntent(packageName, userId); 10030 } else { 10031 mHandler.postDelayed(new Runnable() { 10032 @Override 10033 public void run() { 10034 for (ComponentName activeAdmin : packageActiveAdmins) { 10035 removeAdminArtifacts(activeAdmin, userId); 10036 } 10037 startUninstallIntent(packageName, userId); 10038 } 10039 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 10040 } 10041 } 10042 10043 @Override 10044 public boolean isDeviceProvisioned() { 10045 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 10046 } 10047 10048 private void removePackageIfRequired(final String packageName, final int userId) { 10049 if (!packageHasActiveAdmins(packageName, userId)) { 10050 // Will not do anything if uninstall was not requested or was already started. 10051 startUninstallIntent(packageName, userId); 10052 } 10053 } 10054 10055 private void startUninstallIntent(final String packageName, final int userId) { 10056 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10057 synchronized (this) { 10058 if (!mPackagesToRemove.contains(packageUserPair)) { 10059 // Do nothing if uninstall was not requested or was already started. 10060 return; 10061 } 10062 mPackagesToRemove.remove(packageUserPair); 10063 } 10064 try { 10065 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 10066 // Package does not exist. Nothing to do. 10067 return; 10068 } 10069 } catch (RemoteException re) { 10070 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 10071 } 10072 10073 try { // force stop the package before uninstalling 10074 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 10075 } catch (RemoteException re) { 10076 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 10077 } 10078 final Uri packageURI = Uri.parse("package:" + packageName); 10079 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 10080 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 10081 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 10082 } 10083 10084 /** 10085 * Removes the admin from the policy. Ideally called after the admin's 10086 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 10087 * 10088 * @param adminReceiver The admin to remove 10089 * @param userHandle The user for which this admin has to be removed. 10090 */ 10091 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 10092 synchronized (this) { 10093 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 10094 if (admin == null) { 10095 return; 10096 } 10097 final DevicePolicyData policy = getUserData(userHandle); 10098 final boolean doProxyCleanup = admin.info.usesPolicy( 10099 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 10100 policy.mAdminList.remove(admin); 10101 policy.mAdminMap.remove(adminReceiver); 10102 validatePasswordOwnerLocked(policy); 10103 if (doProxyCleanup) { 10104 resetGlobalProxyLocked(policy); 10105 } 10106 saveSettingsLocked(userHandle); 10107 updateMaximumTimeToLockLocked(userHandle); 10108 policy.mRemovingAdmins.remove(adminReceiver); 10109 10110 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 10111 } 10112 // The removed admin might have disabled camera, so update user 10113 // restrictions. 10114 pushUserRestrictions(userHandle); 10115 } 10116 10117 @Override 10118 public void setDeviceProvisioningConfigApplied() { 10119 enforceManageUsers(); 10120 synchronized (this) { 10121 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10122 policy.mDeviceProvisioningConfigApplied = true; 10123 saveSettingsLocked(UserHandle.USER_SYSTEM); 10124 } 10125 } 10126 10127 @Override 10128 public boolean isDeviceProvisioningConfigApplied() { 10129 enforceManageUsers(); 10130 synchronized (this) { 10131 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10132 return policy.mDeviceProvisioningConfigApplied; 10133 } 10134 } 10135 10136 /** 10137 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 10138 * 10139 * It's added for testing only. Please use this API carefully if it's used by other system app 10140 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 10141 * apps. 10142 */ 10143 @Override 10144 public void forceUpdateUserSetupComplete() { 10145 enforceCanManageProfileAndDeviceOwners(); 10146 enforceCallerSystemUserHandle(); 10147 // no effect if it's called from user build 10148 if (!mInjector.isBuildDebuggable()) { 10149 return; 10150 } 10151 final int userId = UserHandle.USER_SYSTEM; 10152 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 10153 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 10154 DevicePolicyData policy = getUserData(userId); 10155 policy.mUserSetupComplete = isUserCompleted; 10156 synchronized (this) { 10157 saveSettingsLocked(userId); 10158 } 10159 } 10160 10161 // TODO(b/22388012): When backup is available for secondary users and profiles, consider 10162 // whether there are any privacy/security implications of enabling the backup service here 10163 // if there are other users or profiles unmanaged or managed by a different entity (i.e. not 10164 // affiliated). 10165 @Override 10166 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 10167 if (!mHasFeature) { 10168 return; 10169 } 10170 Preconditions.checkNotNull(admin); 10171 synchronized (this) { 10172 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10173 } 10174 10175 final long ident = mInjector.binderClearCallingIdentity(); 10176 try { 10177 IBackupManager ibm = mInjector.getIBackupManager(); 10178 if (ibm != null) { 10179 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 10180 } 10181 } catch (RemoteException e) { 10182 throw new IllegalStateException( 10183 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 10184 } finally { 10185 mInjector.binderRestoreCallingIdentity(ident); 10186 } 10187 } 10188 10189 @Override 10190 public boolean isBackupServiceEnabled(ComponentName admin) { 10191 Preconditions.checkNotNull(admin); 10192 if (!mHasFeature) { 10193 return true; 10194 } 10195 synchronized (this) { 10196 try { 10197 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10198 IBackupManager ibm = mInjector.getIBackupManager(); 10199 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 10200 } catch (RemoteException e) { 10201 throw new IllegalStateException("Failed requesting backup service state.", e); 10202 } 10203 } 10204 } 10205 10206 @Override 10207 public boolean bindDeviceAdminServiceAsUser( 10208 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 10209 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 10210 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 10211 if (!mHasFeature) { 10212 return false; 10213 } 10214 Preconditions.checkNotNull(admin); 10215 Preconditions.checkNotNull(caller); 10216 Preconditions.checkNotNull(serviceIntent); 10217 Preconditions.checkArgument( 10218 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 10219 "Service intent must be explicit (with a package name or component): " 10220 + serviceIntent); 10221 Preconditions.checkNotNull(connection); 10222 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 10223 "target user id must be different from the calling user id"); 10224 10225 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 10226 throw new SecurityException("Not allowed to bind to target user id"); 10227 } 10228 10229 final String targetPackage; 10230 synchronized (this) { 10231 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 10232 } 10233 10234 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10235 try { 10236 // Validate and sanitize the incoming service intent. 10237 final Intent sanitizedIntent = 10238 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 10239 if (sanitizedIntent == null) { 10240 // Fail, cannot lookup the target service. 10241 return false; 10242 } 10243 // Ask ActivityManager to bind it. Notice that we are binding the service with the 10244 // caller app instead of DevicePolicyManagerService. 10245 return mInjector.getIActivityManager().bindService( 10246 caller, activtiyToken, serviceIntent, 10247 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10248 connection, flags, mContext.getOpPackageName(), 10249 targetUserId) != 0; 10250 } catch (RemoteException ex) { 10251 // Same process, should not happen. 10252 } finally { 10253 mInjector.binderRestoreCallingIdentity(callingIdentity); 10254 } 10255 10256 // Failed to bind. 10257 return false; 10258 } 10259 10260 @Override 10261 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 10262 if (!mHasFeature) { 10263 return Collections.emptyList(); 10264 } 10265 Preconditions.checkNotNull(admin); 10266 10267 synchronized (this) { 10268 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10269 10270 final int callingUserId = mInjector.userHandleGetCallingUserId(); 10271 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10272 try { 10273 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 10274 if (!isDeviceOwner(admin, callingUserId)) { 10275 // Profile owners can only bind to the device owner. 10276 if (canUserBindToDeviceOwnerLocked(callingUserId)) { 10277 targetUsers.add(UserHandle.of(mOwners.getDeviceOwnerUserId())); 10278 } 10279 } else { 10280 // Caller is the device owner: Look for profile owners that it can bind to. 10281 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 10282 for (int i = 0; i < userInfos.size(); i++) { 10283 final int userId = userInfos.get(i).id; 10284 if (userId != callingUserId && canUserBindToDeviceOwnerLocked(userId)) { 10285 targetUsers.add(UserHandle.of(userId)); 10286 } 10287 } 10288 } 10289 10290 return targetUsers; 10291 } finally { 10292 mInjector.binderRestoreCallingIdentity(callingIdentity); 10293 } 10294 } 10295 } 10296 10297 private boolean canUserBindToDeviceOwnerLocked(int userId) { 10298 // There has to be a device owner, under another user id. 10299 if (!mOwners.hasDeviceOwner() || userId == mOwners.getDeviceOwnerUserId()) { 10300 return false; 10301 } 10302 10303 // The user must have a profile owner that belongs to the same package as the device owner. 10304 if (!mOwners.hasProfileOwner(userId) || !TextUtils.equals( 10305 mOwners.getDeviceOwnerPackageName(), mOwners.getProfileOwnerPackage(userId))) { 10306 return false; 10307 } 10308 10309 // The user must be affiliated. 10310 return isUserAffiliatedWithDeviceLocked(userId); 10311 } 10312 10313 /** 10314 * Return true if a given user has any accounts that'll prevent installing a device or profile 10315 * owner {@code owner}. 10316 * - If the user has no accounts, then return false. 10317 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 10318 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 10319 * ..._DISALLOWED, return true. 10320 * - Otherwise return false. 10321 * 10322 * If the caller is *not* ADB, it also returns true. The returned value shouldn't be used 10323 * when the caller is not ADB. 10324 * 10325 * DO NOT CALL IT WITH THE DPMS LOCK HELD. 10326 */ 10327 private boolean hasIncompatibleAccountsOrNonAdbNoLock( 10328 int userId, @Nullable ComponentName owner) { 10329 if (!isAdb()) { 10330 return true; 10331 } 10332 wtfIfInLock(); 10333 10334 final long token = mInjector.binderClearCallingIdentity(); 10335 try { 10336 final AccountManager am = AccountManager.get(mContext); 10337 final Account accounts[] = am.getAccountsAsUser(userId); 10338 if (accounts.length == 0) { 10339 return false; 10340 } 10341 synchronized (this) { 10342 if (owner == null || !isAdminTestOnlyLocked(owner, userId)) { 10343 Log.w(LOG_TAG, 10344 "Non test-only owner can't be installed with existing accounts."); 10345 return true; 10346 } 10347 } 10348 10349 final String[] feature_allow = 10350 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 10351 final String[] feature_disallow = 10352 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 10353 10354 boolean compatible = true; 10355 for (Account account : accounts) { 10356 if (hasAccountFeatures(am, account, feature_disallow)) { 10357 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 10358 compatible = false; 10359 break; 10360 } 10361 if (!hasAccountFeatures(am, account, feature_allow)) { 10362 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 10363 compatible = false; 10364 break; 10365 } 10366 } 10367 if (compatible) { 10368 Log.w(LOG_TAG, "All accounts are compatible"); 10369 } else { 10370 Log.e(LOG_TAG, "Found incompatible accounts"); 10371 } 10372 return !compatible; 10373 } finally { 10374 mInjector.binderRestoreCallingIdentity(token); 10375 } 10376 } 10377 10378 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 10379 try { 10380 return am.hasFeatures(account, features, null, null).getResult(); 10381 } catch (Exception e) { 10382 Log.w(LOG_TAG, "Failed to get account feature", e); 10383 return false; 10384 } 10385 } 10386 10387 private boolean isAdb() { 10388 final int callingUid = mInjector.binderGetCallingUid(); 10389 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 10390 } 10391 10392 @Override 10393 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 10394 if (!mHasFeature) { 10395 return; 10396 } 10397 Preconditions.checkNotNull(admin); 10398 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10399 10400 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 10401 // already in the requested state 10402 return; 10403 } 10404 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10405 deviceOwner.isNetworkLoggingEnabled = enabled; 10406 if (!enabled) { 10407 deviceOwner.numNetworkLoggingNotifications = 0; 10408 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10409 } 10410 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 10411 10412 setNetworkLoggingActiveInternal(enabled); 10413 } 10414 10415 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 10416 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10417 try { 10418 if (active) { 10419 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 10420 if (!mNetworkLogger.startNetworkLogging()) { 10421 mNetworkLogger = null; 10422 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 10423 + " service not being available yet."); 10424 } 10425 maybePauseDeviceWideLoggingLocked(); 10426 sendNetworkLoggingNotificationLocked(); 10427 } else { 10428 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 10429 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 10430 + " service not being available yet."); 10431 } 10432 mNetworkLogger = null; 10433 mInjector.getNotificationManager().cancel(NETWORK_LOGGING_NOTIFICATION_ID); 10434 } 10435 } finally { 10436 mInjector.binderRestoreCallingIdentity(callingIdentity); 10437 } 10438 } 10439 10440 /** Pauses security and network logging if there are unaffiliated users on the device */ 10441 private void maybePauseDeviceWideLoggingLocked() { 10442 if (!areAllUsersAffiliatedWithDeviceLocked()) { 10443 Slog.i(LOG_TAG, "There are unaffiliated users, security and network logging will be " 10444 + "paused if enabled."); 10445 mSecurityLogMonitor.pause(); 10446 if (mNetworkLogger != null) { 10447 mNetworkLogger.pause(); 10448 } 10449 } 10450 } 10451 10452 /** Resumes security and network logging (if they are enabled) if all users are affiliated */ 10453 private void maybeResumeDeviceWideLoggingLocked() { 10454 if (areAllUsersAffiliatedWithDeviceLocked()) { 10455 final long ident = mInjector.binderClearCallingIdentity(); 10456 try { 10457 mSecurityLogMonitor.resume(); 10458 if (mNetworkLogger != null) { 10459 mNetworkLogger.resume(); 10460 } 10461 } finally { 10462 mInjector.binderRestoreCallingIdentity(ident); 10463 } 10464 } 10465 } 10466 10467 /** Deletes any security and network logs that might have been collected so far */ 10468 private void discardDeviceWideLogsLocked() { 10469 mSecurityLogMonitor.discardLogs(); 10470 if (mNetworkLogger != null) { 10471 mNetworkLogger.discardLogs(); 10472 } 10473 // TODO: We should discard pre-boot security logs here too, as otherwise those 10474 // logs (which might contain data from the user just removed) will be 10475 // available after next boot. 10476 } 10477 10478 @Override 10479 public boolean isNetworkLoggingEnabled(ComponentName admin) { 10480 if (!mHasFeature) { 10481 return false; 10482 } 10483 synchronized (this) { 10484 enforceDeviceOwnerOrManageUsers(); 10485 return isNetworkLoggingEnabledInternalLocked(); 10486 } 10487 } 10488 10489 private boolean isNetworkLoggingEnabledInternalLocked() { 10490 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10491 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 10492 } 10493 10494 /* 10495 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 10496 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 10497 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 10498 * 10499 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 10500 */ 10501 @Override 10502 public List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, long batchToken) { 10503 if (!mHasFeature) { 10504 return null; 10505 } 10506 Preconditions.checkNotNull(admin); 10507 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10508 10509 synchronized (this) { 10510 if (mNetworkLogger == null 10511 || !isNetworkLoggingEnabledInternalLocked()) { 10512 return null; 10513 } 10514 10515 final long currentTime = System.currentTimeMillis(); 10516 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10517 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 10518 policyData.mLastNetworkLogsRetrievalTime = currentTime; 10519 saveSettingsLocked(UserHandle.USER_SYSTEM); 10520 } 10521 return mNetworkLogger.retrieveLogs(batchToken); 10522 } 10523 } 10524 10525 private void sendNetworkLoggingNotificationLocked() { 10526 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10527 if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { 10528 return; 10529 } 10530 if (deviceOwner.numNetworkLoggingNotifications >= 10531 ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10532 return; 10533 } 10534 final long now = System.currentTimeMillis(); 10535 if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { 10536 return; 10537 } 10538 deviceOwner.numNetworkLoggingNotifications++; 10539 if (deviceOwner.numNetworkLoggingNotifications 10540 >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10541 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10542 } else { 10543 deviceOwner.lastNetworkLoggingNotificationTimeMs = now; 10544 } 10545 final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); 10546 intent.setPackage("com.android.systemui"); 10547 final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, 10548 UserHandle.CURRENT); 10549 Notification notification = new Notification.Builder(mContext) 10550 .setSmallIcon(R.drawable.ic_qs_network_logging) 10551 .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) 10552 .setContentText(mContext.getString(R.string.network_logging_notification_text)) 10553 .setTicker(mContext.getString(R.string.network_logging_notification_title)) 10554 .setShowWhen(true) 10555 .setContentIntent(pendingIntent) 10556 .build(); 10557 mInjector.getNotificationManager().notify(NETWORK_LOGGING_NOTIFICATION_ID, notification); 10558 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 10559 } 10560 10561 /** 10562 * Return the package name of owner in a given user. 10563 */ 10564 private String getOwnerPackageNameForUserLocked(int userId) { 10565 return mOwners.getDeviceOwnerUserId() == userId 10566 ? mOwners.getDeviceOwnerPackageName() 10567 : mOwners.getProfileOwnerPackage(userId); 10568 } 10569 10570 /** 10571 * @param rawIntent Original service intent specified by caller. It must be explicit. 10572 * @param expectedPackageName The expected package name of the resolved service. 10573 * @return Intent that have component explicitly set. {@code null} if no service is resolved 10574 * with the given intent. 10575 * @throws SecurityException if the intent is resolved to an invalid service. 10576 */ 10577 private Intent createCrossUserServiceIntent( 10578 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 10579 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 10580 ResolveInfo info = mIPackageManager.resolveService( 10581 rawIntent, 10582 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10583 0, // flags 10584 targetUserId); 10585 if (info == null || info.serviceInfo == null) { 10586 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 10587 + " or user " + targetUserId + " is not running"); 10588 return null; 10589 } 10590 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 10591 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 10592 } 10593 if (info.serviceInfo.exported) { 10594 throw new SecurityException("The service must be unexported"); 10595 } 10596 // It is the system server to bind the service, it would be extremely dangerous if it 10597 // can be exploited to bind any service. Set the component explicitly to make sure we 10598 // do not bind anything accidentally. 10599 rawIntent.setComponent(info.serviceInfo.getComponentName()); 10600 return rawIntent; 10601 } 10602 10603 @Override 10604 public long getLastSecurityLogRetrievalTime() { 10605 enforceDeviceOwnerOrManageUsers(); 10606 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 10607 } 10608 10609 @Override 10610 public long getLastBugReportRequestTime() { 10611 enforceDeviceOwnerOrManageUsers(); 10612 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 10613 } 10614 10615 @Override 10616 public long getLastNetworkLogRetrievalTime() { 10617 enforceDeviceOwnerOrManageUsers(); 10618 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 10619 } 10620} 10621