DevicePolicyManagerService.java revision 288639860a8ab05cc7d09d3dc21b4224b3a832db
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.database.ContentObserver; 103import android.graphics.Bitmap; 104import android.graphics.Color; 105import android.media.AudioManager; 106import android.media.IAudioService; 107import android.net.ConnectivityManager; 108import android.net.IIpConnectivityMetrics; 109import android.net.ProxyInfo; 110import android.net.Uri; 111import android.net.metrics.IpConnectivityLog; 112import android.net.wifi.WifiInfo; 113import android.net.wifi.WifiManager; 114import android.os.AsyncTask; 115import android.os.Binder; 116import android.os.Build; 117import android.os.Bundle; 118import android.os.Environment; 119import android.os.FileUtils; 120import android.os.Handler; 121import android.os.IBinder; 122import android.os.Looper; 123import android.os.ParcelFileDescriptor; 124import android.os.PersistableBundle; 125import android.os.PowerManager; 126import android.os.PowerManagerInternal; 127import android.os.Process; 128import android.os.RecoverySystem; 129import android.os.RemoteCallback; 130import android.os.RemoteException; 131import android.os.ServiceManager; 132import android.os.SystemClock; 133import android.os.SystemProperties; 134import android.os.UserHandle; 135import android.os.UserManager; 136import android.os.UserManagerInternal; 137import android.os.storage.StorageManager; 138import android.provider.ContactsContract.QuickContact; 139import android.provider.ContactsInternal; 140import android.provider.Settings; 141import android.security.Credentials; 142import android.security.IKeyChainAliasCallback; 143import android.security.IKeyChainService; 144import android.security.KeyChain; 145import android.security.KeyChain.KeyChainConnection; 146import android.service.persistentdata.PersistentDataBlockManager; 147import android.telephony.TelephonyManager; 148import android.text.TextUtils; 149import android.util.ArrayMap; 150import android.util.ArraySet; 151import android.util.Log; 152import android.util.Pair; 153import android.util.Slog; 154import android.util.SparseArray; 155import android.util.Xml; 156import android.view.IWindowManager; 157import android.view.accessibility.AccessibilityManager; 158import android.view.accessibility.IAccessibilityManager; 159import android.view.inputmethod.InputMethodInfo; 160import android.view.inputmethod.InputMethodManager; 161 162import com.android.internal.R; 163import com.android.internal.annotations.VisibleForTesting; 164import com.android.internal.logging.MetricsLogger; 165import com.android.internal.statusbar.IStatusBarService; 166import com.android.internal.util.FastXmlSerializer; 167import com.android.internal.util.JournaledFile; 168import com.android.internal.util.ParcelableString; 169import com.android.internal.util.Preconditions; 170import com.android.internal.util.XmlUtils; 171import com.android.internal.widget.LockPatternUtils; 172import com.android.server.LocalServices; 173import com.android.server.SystemService; 174import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 175import com.android.server.pm.UserRestrictionsUtils; 176import com.google.android.collect.Sets; 177 178import org.xmlpull.v1.XmlPullParser; 179import org.xmlpull.v1.XmlPullParserException; 180import org.xmlpull.v1.XmlSerializer; 181 182import java.io.ByteArrayInputStream; 183import java.io.File; 184import java.io.FileDescriptor; 185import java.io.FileInputStream; 186import java.io.FileNotFoundException; 187import java.io.FileOutputStream; 188import java.io.IOException; 189import java.io.PrintWriter; 190import java.nio.charset.StandardCharsets; 191import java.security.cert.CertificateException; 192import java.security.cert.CertificateFactory; 193import java.security.cert.X509Certificate; 194import java.text.DateFormat; 195import java.util.ArrayList; 196import java.util.Arrays; 197import java.util.Collection; 198import java.util.Collections; 199import java.util.Date; 200import java.util.List; 201import java.util.Map.Entry; 202import java.util.Set; 203import java.util.concurrent.TimeUnit; 204import java.util.concurrent.atomic.AtomicBoolean; 205 206/** 207 * Implementation of the device policy APIs. 208 */ 209public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 210 211 private static final String LOG_TAG = "DevicePolicyManager"; 212 213 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 214 215 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 216 217 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 218 219 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 220 221 private static final String TAG_STATUS_BAR = "statusbar"; 222 223 private static final String ATTR_DISABLED = "disabled"; 224 225 private static final String ATTR_NAME = "name"; 226 227 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 228 "do-not-ask-credentials-on-boot"; 229 230 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 231 232 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 233 234 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 235 236 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 237 238 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 239 240 private static final String ATTR_ID = "id"; 241 242 private static final String ATTR_VALUE = "value"; 243 244 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 245 246 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 247 248 private static final long MS_PER_DAY = TimeUnit.DAYS.toMillis(1); 249 250 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 251 252 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 253 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 254 255 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 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 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 413 414 @Override 415 public void onReceive(Context context, Intent intent) { 416 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 417 && mRemoteBugreportServiceIsActive.get()) { 418 onBugreportFinished(intent); 419 } 420 } 421 }; 422 423 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 424 425 @Override 426 public void onReceive(Context context, Intent intent) { 427 String action = intent.getAction(); 428 mInjector.getNotificationManager().cancel(LOG_TAG, 429 RemoteBugreportUtils.NOTIFICATION_ID); 430 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 431 onBugreportSharingAccepted(); 432 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 433 onBugreportSharingDeclined(); 434 } 435 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 436 } 437 }; 438 439 public static final class Lifecycle extends SystemService { 440 private DevicePolicyManagerService mService; 441 442 public Lifecycle(Context context) { 443 super(context); 444 mService = new DevicePolicyManagerService(context); 445 } 446 447 @Override 448 public void onStart() { 449 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 450 } 451 452 @Override 453 public void onBootPhase(int phase) { 454 mService.systemReady(phase); 455 } 456 457 @Override 458 public void onStartUser(int userHandle) { 459 mService.onStartUser(userHandle); 460 } 461 } 462 463 public static class DevicePolicyData { 464 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 465 int mFailedPasswordAttempts = 0; 466 467 int mUserHandle; 468 int mPasswordOwner = -1; 469 long mLastMaximumTimeToLock = -1; 470 boolean mUserSetupComplete = false; 471 boolean mPaired = false; 472 int mUserProvisioningState; 473 int mPermissionPolicy; 474 475 boolean mDeviceProvisioningConfigApplied = false; 476 477 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 478 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 479 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 480 481 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 482 483 // This is the list of component allowed to start lock task mode. 484 List<String> mLockTaskPackages = new ArrayList<>(); 485 486 boolean mStatusBarDisabled = false; 487 488 ComponentName mRestrictionsProvider; 489 490 // Map of delegate package to delegation scopes 491 final ArrayMap<String, List<String>> mDelegationMap = new ArrayMap<>(); 492 493 boolean doNotAskCredentialsOnBoot = false; 494 495 Set<String> mAffiliationIds = new ArraySet<>(); 496 497 long mLastSecurityLogRetrievalTime = -1; 498 499 long mLastBugReportRequestTime = -1; 500 501 long mLastNetworkLogsRetrievalTime = -1; 502 503 // Used for initialization of users created by createAndManageUsers. 504 boolean mAdminBroadcastPending = false; 505 PersistableBundle mInitBundle = null; 506 507 public DevicePolicyData(int userHandle) { 508 mUserHandle = userHandle; 509 } 510 } 511 512 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 513 514 final Handler mHandler; 515 516 BroadcastReceiver mReceiver = new BroadcastReceiver() { 517 @Override 518 public void onReceive(Context context, Intent intent) { 519 final String action = intent.getAction(); 520 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 521 getSendingUserId()); 522 523 /* 524 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 525 * however it's too early in the boot process to register with IIpConnectivityMetrics 526 * to listen for events. 527 */ 528 if (Intent.ACTION_USER_STARTED.equals(action) 529 && userHandle == mOwners.getDeviceOwnerUserId()) { 530 synchronized (DevicePolicyManagerService.this) { 531 if (isNetworkLoggingEnabledInternalLocked()) { 532 setNetworkLoggingActiveInternal(true); 533 } 534 } 535 } 536 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 537 && userHandle == mOwners.getDeviceOwnerUserId() 538 && getDeviceOwnerRemoteBugreportUri() != null) { 539 IntentFilter filterConsent = new IntentFilter(); 540 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 541 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 542 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 543 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 544 RemoteBugreportUtils.NOTIFICATION_ID, 545 RemoteBugreportUtils.buildNotification(mContext, 546 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 547 UserHandle.ALL); 548 } 549 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 550 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 551 if (VERBOSE_LOG) { 552 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 553 + action + " for user " + userHandle); 554 } 555 mHandler.post(new Runnable() { 556 @Override 557 public void run() { 558 handlePasswordExpirationNotification(userHandle); 559 } 560 }); 561 } 562 if (Intent.ACTION_USER_UNLOCKED.equals(action) 563 || Intent.ACTION_USER_STARTED.equals(action) 564 || KeyChain.ACTION_TRUST_STORE_CHANGED.equals(action)) { 565 if (!StorageManager.inCryptKeeperBounce()) { 566 new MonitoringCertNotificationTask().execute( 567 intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL)); 568 } 569 } 570 if (Intent.ACTION_USER_ADDED.equals(action)) { 571 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); 572 synchronized (DevicePolicyManagerService.this) { 573 // It might take a while for the user to become affiliated. Make security 574 // and network logging unavailable in the meantime. 575 maybePauseDeviceWideLoggingLocked(); 576 } 577 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 578 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); 579 synchronized (DevicePolicyManagerService.this) { 580 // Check whether the user is affiliated, *before* removing its data. 581 boolean isRemovedUserAffiliated = isUserAffiliatedWithDeviceLocked(userHandle); 582 removeUserData(userHandle); 583 if (!isRemovedUserAffiliated) { 584 // We discard the logs when unaffiliated users are deleted (so that the 585 // device owner cannot retrieve data about that user after it's gone). 586 discardDeviceWideLogsLocked(); 587 // Resume logging if all remaining users are affiliated. 588 maybeResumeDeviceWideLoggingLocked(); 589 } 590 } 591 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 592 synchronized (DevicePolicyManagerService.this) { 593 // Reset the policy data 594 mUserData.remove(userHandle); 595 sendAdminEnabledBroadcastLocked(userHandle); 596 } 597 handlePackagesChanged(null /* check all admins */, userHandle); 598 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 599 handlePackagesChanged(null /* check all admins */, userHandle); 600 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 601 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 602 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 603 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 604 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 605 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 606 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 607 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 608 clearWipeProfileNotification(); 609 } 610 } 611 612 private void sendUserAddedOrRemovedCommand(String action, int userHandle) { 613 synchronized (DevicePolicyManagerService.this) { 614 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 615 if (deviceOwner != null) { 616 Bundle extras = new Bundle(); 617 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 618 sendAdminCommandLocked(deviceOwner, action, extras, null); 619 } 620 } 621 } 622 }; 623 624 static class ActiveAdmin { 625 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 626 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 627 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 628 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 629 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 630 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 631 = "disable-bt-contacts-sharing"; 632 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 633 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 634 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 635 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 636 private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; 637 private static final String TAG_ACCOUNT_TYPE = "account-type"; 638 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 639 = "permitted-accessiblity-services"; 640 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 641 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 642 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 643 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 644 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 645 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 646 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 647 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 648 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 649 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 650 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 651 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 652 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 653 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 654 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 655 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 656 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 657 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 658 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 659 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 660 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 661 private static final String ATTR_VALUE = "value"; 662 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 663 private static final String TAG_POLICIES = "policies"; 664 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 665 "cross-profile-widget-providers"; 666 private static final String TAG_PROVIDER = "provider"; 667 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 668 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 669 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 670 private static final String TAG_DEFAULT_ENABLED_USER_RESTRICTIONS = 671 "default-enabled-user-restrictions"; 672 private static final String TAG_RESTRICTION = "restriction"; 673 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 674 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 675 private static final String TAG_PARENT_ADMIN = "parent-admin"; 676 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 677 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 678 private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification"; 679 private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications"; 680 681 final DeviceAdminInfo info; 682 683 684 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 685 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 686 687 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 688 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 689 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 690 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 691 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 692 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 693 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 694 @NonNull 695 PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( 696 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, 697 DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, 698 DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, 699 DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); 700 701 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 702 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 703 704 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 705 706 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 707 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 708 709 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 710 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 711 712 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 713 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 714 715 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 716 717 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 718 719 boolean encryptionRequested = false; 720 boolean testOnlyAdmin = false; 721 boolean disableCamera = false; 722 boolean disableCallerId = false; 723 boolean disableContactsSearch = false; 724 boolean disableBluetoothContactSharing = true; 725 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 726 boolean requireAutoTime = false; // Can only be set by a device owner. 727 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 728 boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. 729 730 // one notification after enabling + 3 more after reboots 731 static final int DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN = 4; 732 int numNetworkLoggingNotifications = 0; 733 long lastNetworkLoggingNotificationTimeMs = 0; // Time in milliseconds since epoch 734 735 ActiveAdmin parentAdmin; 736 final boolean isParent; 737 738 static class TrustAgentInfo { 739 public PersistableBundle options; 740 TrustAgentInfo(PersistableBundle bundle) { 741 options = bundle; 742 } 743 } 744 745 final Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 746 747 // The list of permitted accessibility services package namesas set by a profile 748 // or device owner. Null means all accessibility services are allowed, empty means 749 // none except system services are allowed. 750 List<String> permittedAccessiblityServices; 751 752 // The list of permitted input methods package names as set by a profile or device owner. 753 // Null means all input methods are allowed, empty means none except system imes are 754 // allowed. 755 List<String> permittedInputMethods; 756 757 // List of package names to keep cached. 758 List<String> keepUninstalledPackages; 759 760 // TODO: review implementation decisions with frameworks team 761 boolean specifiesGlobalProxy = false; 762 String globalProxySpec = null; 763 String globalProxyExclusionList = null; 764 765 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 766 767 List<String> crossProfileWidgetProviders; 768 769 Bundle userRestrictions; 770 771 // User restrictions that have already been enabled by default for this admin (either when 772 // setting the device or profile owner, or during a system update if one of those "enabled 773 // by default" restrictions is newly added). 774 final Set<String> defaultEnabledRestrictionsAlreadySet = new ArraySet<>(); 775 776 // Support text provided by the admin to display to the user. 777 CharSequence shortSupportMessage = null; 778 CharSequence longSupportMessage = null; 779 780 // Background color of confirm credentials screen. Default: teal. 781 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 782 int organizationColor = DEF_ORGANIZATION_COLOR; 783 784 // Default title of confirm credentials screen 785 String organizationName = null; 786 787 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 788 info = _info; 789 isParent = parent; 790 } 791 792 ActiveAdmin getParentActiveAdmin() { 793 Preconditions.checkState(!isParent); 794 795 if (parentAdmin == null) { 796 parentAdmin = new ActiveAdmin(info, /* parent */ true); 797 } 798 return parentAdmin; 799 } 800 801 boolean hasParentActiveAdmin() { 802 return parentAdmin != null; 803 } 804 805 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 806 807 public UserHandle getUserHandle() { 808 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 809 } 810 811 void writeToXml(XmlSerializer out) 812 throws IllegalArgumentException, IllegalStateException, IOException { 813 out.startTag(null, TAG_POLICIES); 814 info.writePoliciesToXml(out); 815 out.endTag(null, TAG_POLICIES); 816 if (minimumPasswordMetrics.quality 817 != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 818 out.startTag(null, TAG_PASSWORD_QUALITY); 819 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); 820 out.endTag(null, TAG_PASSWORD_QUALITY); 821 if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { 822 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 823 out.attribute( 824 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); 825 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 826 } 827 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 828 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 829 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 830 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 831 } 832 if (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 833 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 834 out.attribute( 835 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); 836 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 837 } 838 if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 839 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 840 out.attribute( 841 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); 842 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 843 } 844 if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { 845 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 846 out.attribute( 847 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); 848 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 849 } 850 if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 851 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 852 out.attribute( 853 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); 854 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 855 } 856 if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 857 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 858 out.attribute( 859 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); 860 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 861 } 862 if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 863 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 864 out.attribute( 865 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); 866 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 867 } 868 } 869 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 870 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 871 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 872 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 873 } 874 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 875 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 876 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 877 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 878 } 879 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 880 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 881 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 882 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 883 } 884 if (specifiesGlobalProxy) { 885 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 886 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 887 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 888 if (globalProxySpec != null) { 889 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 890 out.attribute(null, ATTR_VALUE, globalProxySpec); 891 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 892 } 893 if (globalProxyExclusionList != null) { 894 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 895 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 896 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 897 } 898 } 899 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 900 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 901 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 902 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 903 } 904 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 905 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 906 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 907 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 908 } 909 if (encryptionRequested) { 910 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 911 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 912 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 913 } 914 if (testOnlyAdmin) { 915 out.startTag(null, TAG_TEST_ONLY_ADMIN); 916 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 917 out.endTag(null, TAG_TEST_ONLY_ADMIN); 918 } 919 if (disableCamera) { 920 out.startTag(null, TAG_DISABLE_CAMERA); 921 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 922 out.endTag(null, TAG_DISABLE_CAMERA); 923 } 924 if (disableCallerId) { 925 out.startTag(null, TAG_DISABLE_CALLER_ID); 926 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 927 out.endTag(null, TAG_DISABLE_CALLER_ID); 928 } 929 if (disableContactsSearch) { 930 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 931 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 932 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 933 } 934 if (!disableBluetoothContactSharing) { 935 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 936 out.attribute(null, ATTR_VALUE, 937 Boolean.toString(disableBluetoothContactSharing)); 938 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 939 } 940 if (disableScreenCapture) { 941 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 942 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 943 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 944 } 945 if (requireAutoTime) { 946 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 947 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 948 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 949 } 950 if (forceEphemeralUsers) { 951 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 952 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 953 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 954 } 955 if (isNetworkLoggingEnabled) { 956 out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 957 out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); 958 out.attribute(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS, 959 Integer.toString(numNetworkLoggingNotifications)); 960 out.attribute(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION, 961 Long.toString(lastNetworkLoggingNotificationTimeMs)); 962 out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 963 } 964 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 965 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 966 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 967 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 968 } 969 if (!accountTypesWithManagementDisabled.isEmpty()) { 970 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 971 writeAttributeValuesToXml( 972 out, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 973 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 974 } 975 if (!trustAgentInfos.isEmpty()) { 976 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 977 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 978 for (Entry<String, TrustAgentInfo> entry : set) { 979 TrustAgentInfo trustAgentInfo = entry.getValue(); 980 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 981 out.attribute(null, ATTR_VALUE, entry.getKey()); 982 if (trustAgentInfo.options != null) { 983 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 984 try { 985 trustAgentInfo.options.saveToXml(out); 986 } catch (XmlPullParserException e) { 987 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 988 } 989 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 990 } 991 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 992 } 993 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 994 } 995 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 996 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 997 writeAttributeValuesToXml(out, TAG_PROVIDER, crossProfileWidgetProviders); 998 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 999 } 1000 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 1001 permittedAccessiblityServices); 1002 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 1003 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 1004 if (hasUserRestrictions()) { 1005 UserRestrictionsUtils.writeRestrictions( 1006 out, userRestrictions, TAG_USER_RESTRICTIONS); 1007 } 1008 if (!defaultEnabledRestrictionsAlreadySet.isEmpty()) { 1009 out.startTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1010 writeAttributeValuesToXml( 1011 out, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1012 out.endTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1013 } 1014 if (!TextUtils.isEmpty(shortSupportMessage)) { 1015 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1016 out.text(shortSupportMessage.toString()); 1017 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1018 } 1019 if (!TextUtils.isEmpty(longSupportMessage)) { 1020 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 1021 out.text(longSupportMessage.toString()); 1022 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 1023 } 1024 if (parentAdmin != null) { 1025 out.startTag(null, TAG_PARENT_ADMIN); 1026 parentAdmin.writeToXml(out); 1027 out.endTag(null, TAG_PARENT_ADMIN); 1028 } 1029 if (organizationColor != DEF_ORGANIZATION_COLOR) { 1030 out.startTag(null, TAG_ORGANIZATION_COLOR); 1031 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 1032 out.endTag(null, TAG_ORGANIZATION_COLOR); 1033 } 1034 if (organizationName != null) { 1035 out.startTag(null, TAG_ORGANIZATION_NAME); 1036 out.text(organizationName); 1037 out.endTag(null, TAG_ORGANIZATION_NAME); 1038 } 1039 } 1040 1041 void writePackageListToXml(XmlSerializer out, String outerTag, 1042 List<String> packageList) 1043 throws IllegalArgumentException, IllegalStateException, IOException { 1044 if (packageList == null) { 1045 return; 1046 } 1047 1048 out.startTag(null, outerTag); 1049 writeAttributeValuesToXml(out, TAG_PACKAGE_LIST_ITEM, packageList); 1050 out.endTag(null, outerTag); 1051 } 1052 1053 void writeAttributeValuesToXml(XmlSerializer out, String tag, 1054 @NonNull Collection<String> values) throws IOException { 1055 for (String value : values) { 1056 out.startTag(null, tag); 1057 out.attribute(null, ATTR_VALUE, value); 1058 out.endTag(null, tag); 1059 } 1060 } 1061 1062 void readFromXml(XmlPullParser parser) 1063 throws XmlPullParserException, IOException { 1064 int outerDepth = parser.getDepth(); 1065 int type; 1066 while ((type=parser.next()) != END_DOCUMENT 1067 && (type != END_TAG || parser.getDepth() > outerDepth)) { 1068 if (type == END_TAG || type == TEXT) { 1069 continue; 1070 } 1071 String tag = parser.getName(); 1072 if (TAG_POLICIES.equals(tag)) { 1073 info.readPoliciesFromXml(parser); 1074 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 1075 minimumPasswordMetrics.quality = Integer.parseInt( 1076 parser.getAttributeValue(null, ATTR_VALUE)); 1077 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 1078 minimumPasswordMetrics.length = Integer.parseInt( 1079 parser.getAttributeValue(null, ATTR_VALUE)); 1080 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 1081 passwordHistoryLength = Integer.parseInt( 1082 parser.getAttributeValue(null, ATTR_VALUE)); 1083 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 1084 minimumPasswordMetrics.upperCase = Integer.parseInt( 1085 parser.getAttributeValue(null, ATTR_VALUE)); 1086 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 1087 minimumPasswordMetrics.lowerCase = Integer.parseInt( 1088 parser.getAttributeValue(null, ATTR_VALUE)); 1089 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 1090 minimumPasswordMetrics.letters = Integer.parseInt( 1091 parser.getAttributeValue(null, ATTR_VALUE)); 1092 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 1093 minimumPasswordMetrics.numeric = Integer.parseInt( 1094 parser.getAttributeValue(null, ATTR_VALUE)); 1095 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 1096 minimumPasswordMetrics.symbols = Integer.parseInt( 1097 parser.getAttributeValue(null, ATTR_VALUE)); 1098 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 1099 minimumPasswordMetrics.nonLetter = Integer.parseInt( 1100 parser.getAttributeValue(null, ATTR_VALUE)); 1101 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 1102 maximumTimeToUnlock = Long.parseLong( 1103 parser.getAttributeValue(null, ATTR_VALUE)); 1104 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 1105 strongAuthUnlockTimeout = Long.parseLong( 1106 parser.getAttributeValue(null, ATTR_VALUE)); 1107 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 1108 maximumFailedPasswordsForWipe = Integer.parseInt( 1109 parser.getAttributeValue(null, ATTR_VALUE)); 1110 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 1111 specifiesGlobalProxy = Boolean.parseBoolean( 1112 parser.getAttributeValue(null, ATTR_VALUE)); 1113 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1114 globalProxySpec = 1115 parser.getAttributeValue(null, ATTR_VALUE); 1116 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1117 globalProxyExclusionList = 1118 parser.getAttributeValue(null, ATTR_VALUE); 1119 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1120 passwordExpirationTimeout = Long.parseLong( 1121 parser.getAttributeValue(null, ATTR_VALUE)); 1122 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1123 passwordExpirationDate = Long.parseLong( 1124 parser.getAttributeValue(null, ATTR_VALUE)); 1125 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1126 encryptionRequested = Boolean.parseBoolean( 1127 parser.getAttributeValue(null, ATTR_VALUE)); 1128 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1129 testOnlyAdmin = Boolean.parseBoolean( 1130 parser.getAttributeValue(null, ATTR_VALUE)); 1131 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1132 disableCamera = Boolean.parseBoolean( 1133 parser.getAttributeValue(null, ATTR_VALUE)); 1134 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1135 disableCallerId = Boolean.parseBoolean( 1136 parser.getAttributeValue(null, ATTR_VALUE)); 1137 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1138 disableContactsSearch = Boolean.parseBoolean( 1139 parser.getAttributeValue(null, ATTR_VALUE)); 1140 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1141 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1142 .getAttributeValue(null, ATTR_VALUE)); 1143 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1144 disableScreenCapture = Boolean.parseBoolean( 1145 parser.getAttributeValue(null, ATTR_VALUE)); 1146 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1147 requireAutoTime = Boolean.parseBoolean( 1148 parser.getAttributeValue(null, ATTR_VALUE)); 1149 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1150 forceEphemeralUsers = Boolean.parseBoolean( 1151 parser.getAttributeValue(null, ATTR_VALUE)); 1152 } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { 1153 isNetworkLoggingEnabled = Boolean.parseBoolean( 1154 parser.getAttributeValue(null, ATTR_VALUE)); 1155 lastNetworkLoggingNotificationTimeMs = Long.parseLong( 1156 parser.getAttributeValue(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION)); 1157 numNetworkLoggingNotifications = Integer.parseInt( 1158 parser.getAttributeValue(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS)); 1159 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1160 disabledKeyguardFeatures = Integer.parseInt( 1161 parser.getAttributeValue(null, ATTR_VALUE)); 1162 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1163 readAttributeValues( 1164 parser, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1165 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1166 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1167 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1168 crossProfileWidgetProviders = new ArrayList<>(); 1169 readAttributeValues(parser, TAG_PROVIDER, crossProfileWidgetProviders); 1170 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1171 permittedAccessiblityServices = readPackageList(parser, tag); 1172 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1173 permittedInputMethods = readPackageList(parser, tag); 1174 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1175 keepUninstalledPackages = readPackageList(parser, tag); 1176 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1177 userRestrictions = UserRestrictionsUtils.readRestrictions(parser); 1178 } else if (TAG_DEFAULT_ENABLED_USER_RESTRICTIONS.equals(tag)) { 1179 readAttributeValues( 1180 parser, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1181 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1182 type = parser.next(); 1183 if (type == XmlPullParser.TEXT) { 1184 shortSupportMessage = parser.getText(); 1185 } else { 1186 Log.w(LOG_TAG, "Missing text when loading short support message"); 1187 } 1188 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1189 type = parser.next(); 1190 if (type == XmlPullParser.TEXT) { 1191 longSupportMessage = parser.getText(); 1192 } else { 1193 Log.w(LOG_TAG, "Missing text when loading long support message"); 1194 } 1195 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1196 Preconditions.checkState(!isParent); 1197 1198 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1199 parentAdmin.readFromXml(parser); 1200 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1201 organizationColor = Integer.parseInt( 1202 parser.getAttributeValue(null, ATTR_VALUE)); 1203 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1204 type = parser.next(); 1205 if (type == XmlPullParser.TEXT) { 1206 organizationName = parser.getText(); 1207 } else { 1208 Log.w(LOG_TAG, "Missing text when loading organization name"); 1209 } 1210 } else { 1211 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1212 XmlUtils.skipCurrentTag(parser); 1213 } 1214 } 1215 } 1216 1217 private List<String> readPackageList(XmlPullParser parser, 1218 String tag) throws XmlPullParserException, IOException { 1219 List<String> result = new ArrayList<String>(); 1220 int outerDepth = parser.getDepth(); 1221 int outerType; 1222 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1223 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1224 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1225 continue; 1226 } 1227 String outerTag = parser.getName(); 1228 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1229 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1230 if (packageName != null) { 1231 result.add(packageName); 1232 } else { 1233 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1234 } 1235 } else { 1236 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1237 } 1238 } 1239 return result; 1240 } 1241 1242 private void readAttributeValues( 1243 XmlPullParser parser, String tag, Collection<String> result) 1244 throws XmlPullParserException, IOException { 1245 result.clear(); 1246 int outerDepthDAM = parser.getDepth(); 1247 int typeDAM; 1248 while ((typeDAM=parser.next()) != END_DOCUMENT 1249 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1250 if (typeDAM == END_TAG || typeDAM == TEXT) { 1251 continue; 1252 } 1253 String tagDAM = parser.getName(); 1254 if (tag.equals(tagDAM)) { 1255 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1256 } else { 1257 Slog.e(LOG_TAG, "Expected tag " + tag + " but found " + tagDAM); 1258 } 1259 } 1260 } 1261 1262 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1263 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1264 int outerDepthDAM = parser.getDepth(); 1265 int typeDAM; 1266 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1267 while ((typeDAM=parser.next()) != END_DOCUMENT 1268 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1269 if (typeDAM == END_TAG || typeDAM == TEXT) { 1270 continue; 1271 } 1272 String tagDAM = parser.getName(); 1273 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1274 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1275 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1276 result.put(component, trustAgentInfo); 1277 } else { 1278 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1279 } 1280 } 1281 return result; 1282 } 1283 1284 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1285 throws XmlPullParserException, IOException { 1286 int outerDepthDAM = parser.getDepth(); 1287 int typeDAM; 1288 TrustAgentInfo result = new TrustAgentInfo(null); 1289 while ((typeDAM=parser.next()) != END_DOCUMENT 1290 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1291 if (typeDAM == END_TAG || typeDAM == TEXT) { 1292 continue; 1293 } 1294 String tagDAM = parser.getName(); 1295 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1296 result.options = PersistableBundle.restoreFromXml(parser); 1297 } else { 1298 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1299 } 1300 } 1301 return result; 1302 } 1303 1304 boolean hasUserRestrictions() { 1305 return userRestrictions != null && userRestrictions.size() > 0; 1306 } 1307 1308 Bundle ensureUserRestrictions() { 1309 if (userRestrictions == null) { 1310 userRestrictions = new Bundle(); 1311 } 1312 return userRestrictions; 1313 } 1314 1315 void dump(String prefix, PrintWriter pw) { 1316 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1317 pw.print(prefix); pw.print("testOnlyAdmin="); 1318 pw.println(testOnlyAdmin); 1319 pw.print(prefix); pw.println("policies:"); 1320 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1321 if (pols != null) { 1322 for (int i=0; i<pols.size(); i++) { 1323 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1324 } 1325 } 1326 pw.print(prefix); pw.print("passwordQuality=0x"); 1327 pw.println(Integer.toHexString(minimumPasswordMetrics.quality)); 1328 pw.print(prefix); pw.print("minimumPasswordLength="); 1329 pw.println(minimumPasswordMetrics.length); 1330 pw.print(prefix); pw.print("passwordHistoryLength="); 1331 pw.println(passwordHistoryLength); 1332 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1333 pw.println(minimumPasswordMetrics.upperCase); 1334 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1335 pw.println(minimumPasswordMetrics.lowerCase); 1336 pw.print(prefix); pw.print("minimumPasswordLetters="); 1337 pw.println(minimumPasswordMetrics.letters); 1338 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1339 pw.println(minimumPasswordMetrics.numeric); 1340 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1341 pw.println(minimumPasswordMetrics.symbols); 1342 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1343 pw.println(minimumPasswordMetrics.nonLetter); 1344 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1345 pw.println(maximumTimeToUnlock); 1346 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1347 pw.println(strongAuthUnlockTimeout); 1348 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1349 pw.println(maximumFailedPasswordsForWipe); 1350 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1351 pw.println(specifiesGlobalProxy); 1352 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1353 pw.println(passwordExpirationTimeout); 1354 pw.print(prefix); pw.print("passwordExpirationDate="); 1355 pw.println(passwordExpirationDate); 1356 if (globalProxySpec != null) { 1357 pw.print(prefix); pw.print("globalProxySpec="); 1358 pw.println(globalProxySpec); 1359 } 1360 if (globalProxyExclusionList != null) { 1361 pw.print(prefix); pw.print("globalProxyEclusionList="); 1362 pw.println(globalProxyExclusionList); 1363 } 1364 pw.print(prefix); pw.print("encryptionRequested="); 1365 pw.println(encryptionRequested); 1366 pw.print(prefix); pw.print("disableCamera="); 1367 pw.println(disableCamera); 1368 pw.print(prefix); pw.print("disableCallerId="); 1369 pw.println(disableCallerId); 1370 pw.print(prefix); pw.print("disableContactsSearch="); 1371 pw.println(disableContactsSearch); 1372 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1373 pw.println(disableBluetoothContactSharing); 1374 pw.print(prefix); pw.print("disableScreenCapture="); 1375 pw.println(disableScreenCapture); 1376 pw.print(prefix); pw.print("requireAutoTime="); 1377 pw.println(requireAutoTime); 1378 pw.print(prefix); pw.print("forceEphemeralUsers="); 1379 pw.println(forceEphemeralUsers); 1380 pw.print(prefix); pw.print("isNetworkLoggingEnabled="); 1381 pw.println(isNetworkLoggingEnabled); 1382 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1383 pw.println(disabledKeyguardFeatures); 1384 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1385 pw.println(crossProfileWidgetProviders); 1386 if (permittedAccessiblityServices != null) { 1387 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1388 pw.println(permittedAccessiblityServices); 1389 } 1390 if (permittedInputMethods != null) { 1391 pw.print(prefix); pw.print("permittedInputMethods="); 1392 pw.println(permittedInputMethods); 1393 } 1394 if (keepUninstalledPackages != null) { 1395 pw.print(prefix); pw.print("keepUninstalledPackages="); 1396 pw.println(keepUninstalledPackages); 1397 } 1398 pw.print(prefix); pw.print("organizationColor="); 1399 pw.println(organizationColor); 1400 if (organizationName != null) { 1401 pw.print(prefix); pw.print("organizationName="); 1402 pw.println(organizationName); 1403 } 1404 pw.print(prefix); pw.println("userRestrictions:"); 1405 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1406 pw.print(prefix); pw.print("defaultEnabledRestrictionsAlreadySet="); 1407 pw.println(defaultEnabledRestrictionsAlreadySet); 1408 pw.print(prefix); pw.print("isParent="); 1409 pw.println(isParent); 1410 if (parentAdmin != null) { 1411 pw.print(prefix); pw.println("parentAdmin:"); 1412 parentAdmin.dump(prefix + " ", pw); 1413 } 1414 } 1415 } 1416 1417 private void handlePackagesChanged(String packageName, int userHandle) { 1418 boolean removedAdmin = false; 1419 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1420 DevicePolicyData policy = getUserData(userHandle); 1421 synchronized (this) { 1422 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1423 ActiveAdmin aa = policy.mAdminList.get(i); 1424 try { 1425 // If we're checking all packages or if the specific one we're checking matches, 1426 // then check if the package and receiver still exist. 1427 final String adminPackage = aa.info.getPackageName(); 1428 if (packageName == null || packageName.equals(adminPackage)) { 1429 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1430 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1431 PackageManager.MATCH_DIRECT_BOOT_AWARE 1432 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1433 userHandle) == null) { 1434 removedAdmin = true; 1435 policy.mAdminList.remove(i); 1436 policy.mAdminMap.remove(aa.info.getComponent()); 1437 } 1438 } 1439 } catch (RemoteException re) { 1440 // Shouldn't happen. 1441 } 1442 } 1443 if (removedAdmin) { 1444 validatePasswordOwnerLocked(policy); 1445 } 1446 1447 boolean removedDelegate = false; 1448 1449 // Check if a delegate was removed. 1450 for (int i = policy.mDelegationMap.size() - 1; i >= 0; i--) { 1451 final String delegatePackage = policy.mDelegationMap.keyAt(i); 1452 if (isRemovedPackage(packageName, delegatePackage, userHandle)) { 1453 policy.mDelegationMap.removeAt(i); 1454 removedDelegate = true; 1455 } 1456 } 1457 1458 // Persist updates if the removed package was an admin or delegate. 1459 if (removedAdmin || removedDelegate) { 1460 saveSettingsLocked(policy.mUserHandle); 1461 } 1462 } 1463 if (removedAdmin) { 1464 // The removed admin might have disabled camera, so update user restrictions. 1465 pushUserRestrictions(userHandle); 1466 } 1467 } 1468 1469 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1470 try { 1471 return targetPackage != null 1472 && (changedPackage == null || changedPackage.equals(targetPackage)) 1473 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1474 } catch (RemoteException e) { 1475 // Shouldn't happen 1476 } 1477 1478 return false; 1479 } 1480 1481 /** 1482 * Unit test will subclass it to inject mocks. 1483 */ 1484 @VisibleForTesting 1485 static class Injector { 1486 1487 private final Context mContext; 1488 1489 Injector(Context context) { 1490 mContext = context; 1491 } 1492 1493 Owners newOwners() { 1494 return new Owners(getUserManager(), getUserManagerInternal(), 1495 getPackageManagerInternal()); 1496 } 1497 1498 UserManager getUserManager() { 1499 return UserManager.get(mContext); 1500 } 1501 1502 UserManagerInternal getUserManagerInternal() { 1503 return LocalServices.getService(UserManagerInternal.class); 1504 } 1505 1506 PackageManagerInternal getPackageManagerInternal() { 1507 return LocalServices.getService(PackageManagerInternal.class); 1508 } 1509 1510 NotificationManager getNotificationManager() { 1511 return mContext.getSystemService(NotificationManager.class); 1512 } 1513 1514 IIpConnectivityMetrics getIIpConnectivityMetrics() { 1515 return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( 1516 ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); 1517 } 1518 1519 PackageManager getPackageManager() { 1520 return mContext.getPackageManager(); 1521 } 1522 1523 PowerManagerInternal getPowerManagerInternal() { 1524 return LocalServices.getService(PowerManagerInternal.class); 1525 } 1526 1527 TelephonyManager getTelephonyManager() { 1528 return TelephonyManager.from(mContext); 1529 } 1530 1531 TrustManager getTrustManager() { 1532 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1533 } 1534 1535 AlarmManager getAlarmManager() { 1536 return (AlarmManager) mContext.getSystemService(AlarmManager.class); 1537 } 1538 1539 IWindowManager getIWindowManager() { 1540 return IWindowManager.Stub 1541 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1542 } 1543 1544 IActivityManager getIActivityManager() { 1545 return ActivityManager.getService(); 1546 } 1547 1548 IPackageManager getIPackageManager() { 1549 return AppGlobals.getPackageManager(); 1550 } 1551 1552 IBackupManager getIBackupManager() { 1553 return IBackupManager.Stub.asInterface( 1554 ServiceManager.getService(Context.BACKUP_SERVICE)); 1555 } 1556 1557 IAudioService getIAudioService() { 1558 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1559 } 1560 1561 boolean isBuildDebuggable() { 1562 return Build.IS_DEBUGGABLE; 1563 } 1564 1565 LockPatternUtils newLockPatternUtils() { 1566 return new LockPatternUtils(mContext); 1567 } 1568 1569 boolean storageManagerIsFileBasedEncryptionEnabled() { 1570 return StorageManager.isFileEncryptedNativeOnly(); 1571 } 1572 1573 boolean storageManagerIsNonDefaultBlockEncrypted() { 1574 long identity = Binder.clearCallingIdentity(); 1575 try { 1576 return StorageManager.isNonDefaultBlockEncrypted(); 1577 } finally { 1578 Binder.restoreCallingIdentity(identity); 1579 } 1580 } 1581 1582 boolean storageManagerIsEncrypted() { 1583 return StorageManager.isEncrypted(); 1584 } 1585 1586 boolean storageManagerIsEncryptable() { 1587 return StorageManager.isEncryptable(); 1588 } 1589 1590 Looper getMyLooper() { 1591 return Looper.myLooper(); 1592 } 1593 1594 WifiManager getWifiManager() { 1595 return mContext.getSystemService(WifiManager.class); 1596 } 1597 1598 long binderClearCallingIdentity() { 1599 return Binder.clearCallingIdentity(); 1600 } 1601 1602 void binderRestoreCallingIdentity(long token) { 1603 Binder.restoreCallingIdentity(token); 1604 } 1605 1606 int binderGetCallingUid() { 1607 return Binder.getCallingUid(); 1608 } 1609 1610 int binderGetCallingPid() { 1611 return Binder.getCallingPid(); 1612 } 1613 1614 UserHandle binderGetCallingUserHandle() { 1615 return Binder.getCallingUserHandle(); 1616 } 1617 1618 boolean binderIsCallingUidMyUid() { 1619 return getCallingUid() == Process.myUid(); 1620 } 1621 1622 final int userHandleGetCallingUserId() { 1623 return UserHandle.getUserId(binderGetCallingUid()); 1624 } 1625 1626 File environmentGetUserSystemDirectory(int userId) { 1627 return Environment.getUserSystemDirectory(userId); 1628 } 1629 1630 void powerManagerGoToSleep(long time, int reason, int flags) { 1631 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1632 } 1633 1634 void powerManagerReboot(String reason) { 1635 mContext.getSystemService(PowerManager.class).reboot(reason); 1636 } 1637 1638 void recoverySystemRebootWipeUserData(boolean shutdown, String reason, boolean force) 1639 throws IOException { 1640 RecoverySystem.rebootWipeUserData(mContext, shutdown, reason, force); 1641 } 1642 1643 boolean systemPropertiesGetBoolean(String key, boolean def) { 1644 return SystemProperties.getBoolean(key, def); 1645 } 1646 1647 long systemPropertiesGetLong(String key, long def) { 1648 return SystemProperties.getLong(key, def); 1649 } 1650 1651 String systemPropertiesGet(String key, String def) { 1652 return SystemProperties.get(key, def); 1653 } 1654 1655 String systemPropertiesGet(String key) { 1656 return SystemProperties.get(key); 1657 } 1658 1659 void systemPropertiesSet(String key, String value) { 1660 SystemProperties.set(key, value); 1661 } 1662 1663 boolean userManagerIsSplitSystemUser() { 1664 return UserManager.isSplitSystemUser(); 1665 } 1666 1667 String getDevicePolicyFilePathForSystemUser() { 1668 return "/data/system/"; 1669 } 1670 1671 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1672 ContentObserver observer, int userHandle) { 1673 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1674 observer, userHandle); 1675 } 1676 1677 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1678 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1679 name, def, userHandle); 1680 } 1681 1682 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1683 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1684 name, value, userHandle); 1685 } 1686 1687 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1688 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1689 name, value, userHandle); 1690 } 1691 1692 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1693 Settings.Global.putStringForUser(mContext.getContentResolver(), 1694 name, value, userHandle); 1695 } 1696 1697 void settingsSecurePutInt(String name, int value) { 1698 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1699 } 1700 1701 int settingsGlobalGetInt(String name, int def) { 1702 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1703 } 1704 1705 void settingsGlobalPutInt(String name, int value) { 1706 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1707 } 1708 1709 void settingsSecurePutString(String name, String value) { 1710 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1711 } 1712 1713 void settingsGlobalPutString(String name, String value) { 1714 Settings.Global.putString(mContext.getContentResolver(), name, value); 1715 } 1716 1717 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1718 SecurityLog.setLoggingEnabledProperty(enabled); 1719 } 1720 1721 boolean securityLogGetLoggingEnabledProperty() { 1722 return SecurityLog.getLoggingEnabledProperty(); 1723 } 1724 1725 boolean securityLogIsLoggingEnabled() { 1726 return SecurityLog.isLoggingEnabled(); 1727 } 1728 } 1729 1730 /** 1731 * Instantiates the service. 1732 */ 1733 public DevicePolicyManagerService(Context context) { 1734 this(new Injector(context)); 1735 } 1736 1737 @VisibleForTesting 1738 DevicePolicyManagerService(Injector injector) { 1739 mInjector = injector; 1740 mContext = Preconditions.checkNotNull(injector.mContext); 1741 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1742 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1743 1744 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1745 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1746 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1747 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1748 1749 mLocalService = new LocalService(); 1750 mLockPatternUtils = injector.newLockPatternUtils(); 1751 1752 mSecurityLogMonitor = new SecurityLogMonitor(this); 1753 1754 mHasFeature = mInjector.getPackageManager() 1755 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1756 mIsWatch = mInjector.getPackageManager() 1757 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1758 if (!mHasFeature) { 1759 // Skip the rest of the initialization 1760 return; 1761 } 1762 IntentFilter filter = new IntentFilter(); 1763 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1764 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1765 filter.addAction(Intent.ACTION_USER_ADDED); 1766 filter.addAction(Intent.ACTION_USER_REMOVED); 1767 filter.addAction(Intent.ACTION_USER_STARTED); 1768 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1769 filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); 1770 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1771 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1772 filter = new IntentFilter(); 1773 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1774 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1775 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1776 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1777 filter.addDataScheme("package"); 1778 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1779 filter = new IntentFilter(); 1780 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1781 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1782 1783 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1784 } 1785 1786 /** 1787 * Creates and loads the policy data from xml. 1788 * @param userHandle the user for whom to load the policy data 1789 * @return 1790 */ 1791 @NonNull 1792 DevicePolicyData getUserData(int userHandle) { 1793 synchronized (this) { 1794 DevicePolicyData policy = mUserData.get(userHandle); 1795 if (policy == null) { 1796 policy = new DevicePolicyData(userHandle); 1797 mUserData.append(userHandle, policy); 1798 loadSettingsLocked(policy, userHandle); 1799 } 1800 return policy; 1801 } 1802 } 1803 1804 /** 1805 * Creates and loads the policy data from xml for data that is shared between 1806 * various profiles of a user. In contrast to {@link #getUserData(int)} 1807 * it allows access to data of users other than the calling user. 1808 * 1809 * This function should only be used for shared data, e.g. everything regarding 1810 * passwords and should be removed once multiple screen locks are present. 1811 * @param userHandle the user for whom to load the policy data 1812 * @return 1813 */ 1814 DevicePolicyData getUserDataUnchecked(int userHandle) { 1815 long ident = mInjector.binderClearCallingIdentity(); 1816 try { 1817 return getUserData(userHandle); 1818 } finally { 1819 mInjector.binderRestoreCallingIdentity(ident); 1820 } 1821 } 1822 1823 void removeUserData(int userHandle) { 1824 synchronized (this) { 1825 if (userHandle == UserHandle.USER_SYSTEM) { 1826 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1827 return; 1828 } 1829 mOwners.removeProfileOwner(userHandle); 1830 mOwners.writeProfileOwner(userHandle); 1831 1832 DevicePolicyData policy = mUserData.get(userHandle); 1833 if (policy != null) { 1834 mUserData.remove(userHandle); 1835 } 1836 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1837 DEVICE_POLICIES_XML); 1838 policyFile.delete(); 1839 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1840 } 1841 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1842 } 1843 1844 void loadOwners() { 1845 synchronized (this) { 1846 mOwners.load(); 1847 setDeviceOwnerSystemPropertyLocked(); 1848 findOwnerComponentIfNecessaryLocked(); 1849 migrateUserRestrictionsIfNecessaryLocked(); 1850 setDefaultEnabledUserRestrictionsIfNecessaryLocked(); 1851 1852 // TODO PO may not have a class name either due to b/17652534. Address that too. 1853 1854 updateDeviceOwnerLocked(); 1855 } 1856 } 1857 1858 private void setDefaultEnabledUserRestrictionsIfNecessaryLocked() { 1859 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 1860 if (deviceOwner != null 1861 && !UserRestrictionsUtils.getDefaultEnabledForDeviceOwner().equals( 1862 deviceOwner.defaultEnabledRestrictionsAlreadySet)) { 1863 Slog.i(LOG_TAG,"New user restrictions need to be set by default for the device owner"); 1864 1865 if (VERBOSE_LOG) { 1866 Slog.d(LOG_TAG,"Default enabled restrictions for DO: " 1867 + UserRestrictionsUtils.getDefaultEnabledForDeviceOwner() 1868 + ". Restrictions already enabled: " 1869 + deviceOwner.defaultEnabledRestrictionsAlreadySet); 1870 } 1871 1872 Set<String> restrictionsToSet = new ArraySet<>( 1873 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); 1874 restrictionsToSet.removeAll(deviceOwner.defaultEnabledRestrictionsAlreadySet); 1875 if (!restrictionsToSet.isEmpty()) { 1876 for (String restriction : restrictionsToSet) { 1877 deviceOwner.ensureUserRestrictions().putBoolean(restriction, true); 1878 } 1879 deviceOwner.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); 1880 Slog.i(LOG_TAG, 1881 "Enabled the following restrictions by default: " + restrictionsToSet); 1882 1883 saveUserRestrictionsLocked(mOwners.getDeviceOwnerUserId()); 1884 } 1885 } 1886 } 1887 1888 private void setDeviceOwnerSystemPropertyLocked() { 1889 final boolean deviceProvisioned = 1890 mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) != 0; 1891 // If the device is not provisioned and there is currently no device owner, do not set the 1892 // read-only system property yet, since Device owner may still be provisioned. For Wear 1893 // devices, if there is already a device owner then it's OK to set the property to true now, 1894 // regardless the provision state. 1895 final boolean isWatchWithDeviceOwner = mIsWatch && mOwners.hasDeviceOwner(); 1896 if (!isWatchWithDeviceOwner && !deviceProvisioned) { 1897 return; 1898 } 1899 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1900 // always false at this point. 1901 if (StorageManager.inCryptKeeperBounce()) { 1902 return; 1903 } 1904 1905 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1906 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1907 } else { 1908 if (mOwners.hasDeviceOwner()) { 1909 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1910 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1911 1912 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1913 mSecurityLogMonitor.start(); 1914 maybePauseDeviceWideLoggingLocked(); 1915 } 1916 } else { 1917 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1918 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1919 } 1920 } 1921 } 1922 1923 private void findOwnerComponentIfNecessaryLocked() { 1924 if (!mOwners.hasDeviceOwner()) { 1925 return; 1926 } 1927 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1928 1929 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1930 return; // Already a full component name. 1931 } 1932 1933 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1934 doComponentName.getPackageName(), 1935 mOwners.getDeviceOwnerUserId()); 1936 if (doComponent == null) { 1937 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1938 } else { 1939 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1940 doComponent, 1941 mOwners.getDeviceOwnerName(), 1942 mOwners.getDeviceOwnerUserId(), 1943 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1944 mOwners.writeDeviceOwner(); 1945 if (VERBOSE_LOG) { 1946 Log.v(LOG_TAG, "Device owner component filled in"); 1947 } 1948 } 1949 } 1950 1951 /** 1952 * We didn't use to persist user restrictions for each owners but only persisted in user 1953 * manager. 1954 */ 1955 private void migrateUserRestrictionsIfNecessaryLocked() { 1956 boolean migrated = false; 1957 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1958 // except for the "system controlled" ones. 1959 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1960 if (VERBOSE_LOG) { 1961 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1962 } 1963 migrated = true; 1964 1965 // Migrate user 0 restrictions to DO. 1966 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1967 1968 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1969 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1970 1971 // Push DO user restrictions to user manager. 1972 pushUserRestrictions(UserHandle.USER_SYSTEM); 1973 1974 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1975 } 1976 1977 // Migrate for POs. 1978 1979 // The following restrictions can be set on secondary users by the device owner, so we 1980 // assume they're not from the PO. 1981 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1982 UserManager.DISALLOW_OUTGOING_CALLS, 1983 UserManager.DISALLOW_SMS); 1984 1985 for (UserInfo ui : mUserManager.getUsers()) { 1986 final int userId = ui.id; 1987 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1988 if (VERBOSE_LOG) { 1989 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1990 } 1991 migrated = true; 1992 1993 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1994 1995 final Set<String> exceptionList = 1996 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1997 1998 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1999 exceptionList, /* isDeviceOwner =*/ false); 2000 2001 // Note if a secondary user has no PO but has a DA that disables camera, we 2002 // don't get here and won't push the camera user restriction to UserManager 2003 // here. That's okay because we'll push user restrictions anyway when a user 2004 // starts. But we still do it because we want to let user manager persist 2005 // upon migration. 2006 pushUserRestrictions(userId); 2007 2008 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 2009 } 2010 } 2011 if (VERBOSE_LOG && migrated) { 2012 Log.v(LOG_TAG, "User restrictions migrated."); 2013 } 2014 } 2015 2016 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 2017 Set<String> exceptionList, boolean isDeviceOwner) { 2018 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 2019 user.getIdentifier()); 2020 2021 final Bundle newBaseRestrictions = new Bundle(); 2022 final Bundle newOwnerRestrictions = new Bundle(); 2023 2024 for (String key : origRestrictions.keySet()) { 2025 if (!origRestrictions.getBoolean(key)) { 2026 continue; 2027 } 2028 final boolean canOwnerChange = isDeviceOwner 2029 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 2030 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 2031 2032 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 2033 newBaseRestrictions.putBoolean(key, true); 2034 } else { 2035 newOwnerRestrictions.putBoolean(key, true); 2036 } 2037 } 2038 2039 if (VERBOSE_LOG) { 2040 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 2041 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 2042 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 2043 } 2044 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 2045 newBaseRestrictions); 2046 2047 if (admin != null) { 2048 admin.ensureUserRestrictions().clear(); 2049 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 2050 } else { 2051 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 2052 } 2053 saveSettingsLocked(user.getIdentifier()); 2054 } 2055 2056 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 2057 final DevicePolicyData policy = getUserData(userId); 2058 final int n = policy.mAdminList.size(); 2059 ComponentName found = null; 2060 int nFound = 0; 2061 for (int i = 0; i < n; i++) { 2062 final ActiveAdmin admin = policy.mAdminList.get(i); 2063 if (packageName.equals(admin.info.getPackageName())) { 2064 // Found! 2065 if (nFound == 0) { 2066 found = admin.info.getComponent(); 2067 } 2068 nFound++; 2069 } 2070 } 2071 if (nFound > 1) { 2072 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 2073 } 2074 return found; 2075 } 2076 2077 /** 2078 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 2079 * reminders. Clears alarm if no expirations are configured. 2080 */ 2081 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 2082 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 2083 final long now = System.currentTimeMillis(); 2084 final long timeToExpire = expiration - now; 2085 final long alarmTime; 2086 if (expiration == 0) { 2087 // No expirations are currently configured: Cancel alarm. 2088 alarmTime = 0; 2089 } else if (timeToExpire <= 0) { 2090 // The password has already expired: Repeat every 24 hours. 2091 alarmTime = now + MS_PER_DAY; 2092 } else { 2093 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 2094 // the expiration time. 2095 long alarmInterval = timeToExpire % MS_PER_DAY; 2096 if (alarmInterval == 0) { 2097 alarmInterval = MS_PER_DAY; 2098 } 2099 alarmTime = now + alarmInterval; 2100 } 2101 2102 long token = mInjector.binderClearCallingIdentity(); 2103 try { 2104 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2105 AlarmManager am = mInjector.getAlarmManager(); 2106 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2107 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2108 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2109 UserHandle.of(affectedUserHandle)); 2110 am.cancel(pi); 2111 if (alarmTime != 0) { 2112 am.set(AlarmManager.RTC, alarmTime, pi); 2113 } 2114 } finally { 2115 mInjector.binderRestoreCallingIdentity(token); 2116 } 2117 } 2118 2119 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2120 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2121 if (admin != null 2122 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2123 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2124 return admin; 2125 } 2126 return null; 2127 } 2128 2129 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2130 if (parent) { 2131 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2132 } 2133 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2134 if (admin != null && parent) { 2135 admin = admin.getParentActiveAdmin(); 2136 } 2137 return admin; 2138 } 2139 2140 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2141 throws SecurityException { 2142 final int callingUid = mInjector.binderGetCallingUid(); 2143 2144 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2145 if (result != null) { 2146 return result; 2147 } 2148 2149 if (who != null) { 2150 final int userId = UserHandle.getUserId(callingUid); 2151 final DevicePolicyData policy = getUserData(userId); 2152 ActiveAdmin admin = policy.mAdminMap.get(who); 2153 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2154 throw new SecurityException("Admin " + admin.info.getComponent() 2155 + " does not own the device"); 2156 } 2157 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2158 throw new SecurityException("Admin " + admin.info.getComponent() 2159 + " does not own the profile"); 2160 } 2161 throw new SecurityException("Admin " + admin.info.getComponent() 2162 + " did not specify uses-policy for: " 2163 + admin.info.getTagForPolicy(reqPolicy)); 2164 } else { 2165 throw new SecurityException("No active admin owned by uid " 2166 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2167 } 2168 } 2169 2170 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2171 throws SecurityException { 2172 if (parent) { 2173 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2174 "call APIs on the parent profile"); 2175 } 2176 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2177 return parent ? admin.getParentActiveAdmin() : admin; 2178 } 2179 /** 2180 * Find the admin for the component and userId bit of the uid, then check 2181 * the admin's uid matches the uid. 2182 */ 2183 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2184 final int userId = UserHandle.getUserId(uid); 2185 final DevicePolicyData policy = getUserData(userId); 2186 ActiveAdmin admin = policy.mAdminMap.get(who); 2187 if (admin == null) { 2188 throw new SecurityException("No active admin " + who); 2189 } 2190 if (admin.getUid() != uid) { 2191 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2192 } 2193 return admin; 2194 } 2195 2196 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2197 int uid) { 2198 // Try to find an admin which can use reqPolicy 2199 final int userId = UserHandle.getUserId(uid); 2200 final DevicePolicyData policy = getUserData(userId); 2201 if (who != null) { 2202 ActiveAdmin admin = policy.mAdminMap.get(who); 2203 if (admin == null) { 2204 throw new SecurityException("No active admin " + who); 2205 } 2206 if (admin.getUid() != uid) { 2207 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2208 } 2209 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2210 return admin; 2211 } 2212 } else { 2213 for (ActiveAdmin admin : policy.mAdminList) { 2214 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2215 userId)) { 2216 return admin; 2217 } 2218 } 2219 } 2220 2221 return null; 2222 } 2223 2224 @VisibleForTesting 2225 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2226 int userId) { 2227 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2228 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2229 2230 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2231 return ownsDevice; 2232 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2233 // DO always has the PO power. 2234 return ownsDevice || ownsProfile; 2235 } else { 2236 return admin.info.usesPolicy(reqPolicy); 2237 } 2238 } 2239 2240 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2241 sendAdminCommandLocked(admin, action, null); 2242 } 2243 2244 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2245 sendAdminCommandLocked(admin, action, null, result); 2246 } 2247 2248 /** 2249 * Send an update to one specific admin, get notified when that admin returns a result. 2250 */ 2251 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2252 BroadcastReceiver result) { 2253 Intent intent = new Intent(action); 2254 intent.setComponent(admin.info.getComponent()); 2255 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2256 intent.putExtra("expiration", admin.passwordExpirationDate); 2257 } 2258 if (adminExtras != null) { 2259 intent.putExtras(adminExtras); 2260 } 2261 if (result != null) { 2262 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2263 null, result, mHandler, Activity.RESULT_OK, null, null); 2264 } else { 2265 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2266 } 2267 } 2268 2269 /** 2270 * Send an update to all admins of a user that enforce a specified policy. 2271 */ 2272 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle, Bundle adminExtras) { 2273 final DevicePolicyData policy = getUserData(userHandle); 2274 final int count = policy.mAdminList.size(); 2275 for (int i = 0; i < count; i++) { 2276 final ActiveAdmin admin = policy.mAdminList.get(i); 2277 if (admin.info.usesPolicy(reqPolicy)) { 2278 sendAdminCommandLocked(admin, action, adminExtras, null); 2279 } 2280 } 2281 } 2282 2283 /** 2284 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2285 * enforce a specified policy. 2286 */ 2287 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2288 int userHandle, Bundle adminExtras) { 2289 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2290 for (int profileId : profileIds) { 2291 sendAdminCommandLocked(action, reqPolicy, profileId, adminExtras); 2292 } 2293 } 2294 2295 /** 2296 * Sends a broadcast to each profile that share the password unlock with the given user id. 2297 */ 2298 private void sendAdminCommandForLockscreenPoliciesLocked( 2299 String action, int reqPolicy, int userHandle) { 2300 final Bundle extras = new Bundle(); 2301 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2302 if (isSeparateProfileChallengeEnabled(userHandle)) { 2303 sendAdminCommandLocked(action, reqPolicy, userHandle, extras); 2304 } else { 2305 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle, extras); 2306 } 2307 } 2308 2309 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2310 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2311 DevicePolicyData policy = getUserData(userHandle); 2312 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2313 policy.mRemovingAdmins.add(adminReceiver); 2314 sendAdminCommandLocked(admin, 2315 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2316 new BroadcastReceiver() { 2317 @Override 2318 public void onReceive(Context context, Intent intent) { 2319 removeAdminArtifacts(adminReceiver, userHandle); 2320 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2321 } 2322 }); 2323 } 2324 } 2325 2326 2327 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2328 boolean throwForMissiongPermission) { 2329 if (!mHasFeature) { 2330 return null; 2331 } 2332 enforceFullCrossUsersPermission(userHandle); 2333 ActivityInfo ai = null; 2334 try { 2335 ai = mIPackageManager.getReceiverInfo(adminName, 2336 PackageManager.GET_META_DATA | 2337 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2338 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2339 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2340 } catch (RemoteException e) { 2341 // shouldn't happen. 2342 } 2343 if (ai == null) { 2344 throw new IllegalArgumentException("Unknown admin: " + adminName); 2345 } 2346 2347 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2348 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2349 + permission.BIND_DEVICE_ADMIN; 2350 Slog.w(LOG_TAG, message); 2351 if (throwForMissiongPermission && 2352 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2353 throw new IllegalArgumentException(message); 2354 } 2355 } 2356 2357 try { 2358 return new DeviceAdminInfo(mContext, ai); 2359 } catch (XmlPullParserException | IOException e) { 2360 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2361 e); 2362 return null; 2363 } 2364 } 2365 2366 private JournaledFile makeJournaledFile(int userHandle) { 2367 final String base = userHandle == UserHandle.USER_SYSTEM 2368 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2369 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2370 DEVICE_POLICIES_XML).getAbsolutePath(); 2371 if (VERBOSE_LOG) { 2372 Log.v(LOG_TAG, "Opening " + base); 2373 } 2374 return new JournaledFile(new File(base), new File(base + ".tmp")); 2375 } 2376 2377 private void saveSettingsLocked(int userHandle) { 2378 DevicePolicyData policy = getUserData(userHandle); 2379 JournaledFile journal = makeJournaledFile(userHandle); 2380 FileOutputStream stream = null; 2381 try { 2382 stream = new FileOutputStream(journal.chooseForWrite(), false); 2383 XmlSerializer out = new FastXmlSerializer(); 2384 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2385 out.startDocument(null, true); 2386 2387 out.startTag(null, "policies"); 2388 if (policy.mRestrictionsProvider != null) { 2389 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2390 policy.mRestrictionsProvider.flattenToString()); 2391 } 2392 if (policy.mUserSetupComplete) { 2393 out.attribute(null, ATTR_SETUP_COMPLETE, 2394 Boolean.toString(true)); 2395 } 2396 if (policy.mPaired) { 2397 out.attribute(null, ATTR_DEVICE_PAIRED, 2398 Boolean.toString(true)); 2399 } 2400 if (policy.mDeviceProvisioningConfigApplied) { 2401 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2402 Boolean.toString(true)); 2403 } 2404 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2405 out.attribute(null, ATTR_PROVISIONING_STATE, 2406 Integer.toString(policy.mUserProvisioningState)); 2407 } 2408 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2409 out.attribute(null, ATTR_PERMISSION_POLICY, 2410 Integer.toString(policy.mPermissionPolicy)); 2411 } 2412 2413 // Serialize delegations. 2414 for (int i = 0; i < policy.mDelegationMap.size(); ++i) { 2415 final String delegatePackage = policy.mDelegationMap.keyAt(i); 2416 final List<String> scopes = policy.mDelegationMap.valueAt(i); 2417 2418 // Every "delegation" tag serializes the information of one delegate-scope pair. 2419 for (String scope : scopes) { 2420 out.startTag(null, "delegation"); 2421 out.attribute(null, "delegatePackage", delegatePackage); 2422 out.attribute(null, "scope", scope); 2423 out.endTag(null, "delegation"); 2424 } 2425 } 2426 2427 final int N = policy.mAdminList.size(); 2428 for (int i=0; i<N; i++) { 2429 ActiveAdmin ap = policy.mAdminList.get(i); 2430 if (ap != null) { 2431 out.startTag(null, "admin"); 2432 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2433 ap.writeToXml(out); 2434 out.endTag(null, "admin"); 2435 } 2436 } 2437 2438 if (policy.mPasswordOwner >= 0) { 2439 out.startTag(null, "password-owner"); 2440 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2441 out.endTag(null, "password-owner"); 2442 } 2443 2444 if (policy.mFailedPasswordAttempts != 0) { 2445 out.startTag(null, "failed-password-attempts"); 2446 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2447 out.endTag(null, "failed-password-attempts"); 2448 } 2449 2450 // Don't save metrics for FBE devices 2451 final PasswordMetrics metrics = policy.mActivePasswordMetrics; 2452 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() && !metrics.isDefault()) { 2453 out.startTag(null, "active-password"); 2454 out.attribute(null, "quality", Integer.toString(metrics.quality)); 2455 out.attribute(null, "length", Integer.toString(metrics.length)); 2456 out.attribute(null, "uppercase", Integer.toString(metrics.upperCase)); 2457 out.attribute(null, "lowercase", Integer.toString(metrics.lowerCase)); 2458 out.attribute(null, "letters", Integer.toString(metrics.letters)); 2459 out.attribute(null, "numeric", Integer.toString(metrics.numeric)); 2460 out.attribute(null, "symbols", Integer.toString(metrics.symbols)); 2461 out.attribute(null, "nonletter", Integer.toString(metrics.nonLetter)); 2462 out.endTag(null, "active-password"); 2463 } 2464 2465 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2466 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2467 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2468 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2469 } 2470 2471 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2472 String component = policy.mLockTaskPackages.get(i); 2473 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2474 out.attribute(null, "name", component); 2475 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2476 } 2477 2478 if (policy.mStatusBarDisabled) { 2479 out.startTag(null, TAG_STATUS_BAR); 2480 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2481 out.endTag(null, TAG_STATUS_BAR); 2482 } 2483 2484 if (policy.doNotAskCredentialsOnBoot) { 2485 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2486 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2487 } 2488 2489 for (String id : policy.mAffiliationIds) { 2490 out.startTag(null, TAG_AFFILIATION_ID); 2491 out.attribute(null, ATTR_ID, id); 2492 out.endTag(null, TAG_AFFILIATION_ID); 2493 } 2494 2495 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2496 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2497 out.attribute(null, ATTR_VALUE, 2498 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2499 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2500 } 2501 2502 if (policy.mLastBugReportRequestTime >= 0) { 2503 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2504 out.attribute(null, ATTR_VALUE, 2505 Long.toString(policy.mLastBugReportRequestTime)); 2506 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2507 } 2508 2509 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2510 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2511 out.attribute(null, ATTR_VALUE, 2512 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2513 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2514 } 2515 2516 if (policy.mAdminBroadcastPending) { 2517 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2518 out.attribute(null, ATTR_VALUE, 2519 Boolean.toString(policy.mAdminBroadcastPending)); 2520 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2521 } 2522 2523 if (policy.mInitBundle != null) { 2524 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2525 policy.mInitBundle.saveToXml(out); 2526 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2527 } 2528 2529 out.endTag(null, "policies"); 2530 2531 out.endDocument(); 2532 stream.flush(); 2533 FileUtils.sync(stream); 2534 stream.close(); 2535 journal.commit(); 2536 sendChangedNotification(userHandle); 2537 } catch (XmlPullParserException | IOException e) { 2538 Slog.w(LOG_TAG, "failed writing file", e); 2539 try { 2540 if (stream != null) { 2541 stream.close(); 2542 } 2543 } catch (IOException ex) { 2544 // Ignore 2545 } 2546 journal.rollback(); 2547 } 2548 } 2549 2550 private void sendChangedNotification(int userHandle) { 2551 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2552 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2553 long ident = mInjector.binderClearCallingIdentity(); 2554 try { 2555 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2556 } finally { 2557 mInjector.binderRestoreCallingIdentity(ident); 2558 } 2559 } 2560 2561 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2562 JournaledFile journal = makeJournaledFile(userHandle); 2563 FileInputStream stream = null; 2564 File file = journal.chooseForRead(); 2565 boolean needsRewrite = false; 2566 try { 2567 stream = new FileInputStream(file); 2568 XmlPullParser parser = Xml.newPullParser(); 2569 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2570 2571 int type; 2572 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2573 && type != XmlPullParser.START_TAG) { 2574 } 2575 String tag = parser.getName(); 2576 if (!"policies".equals(tag)) { 2577 throw new XmlPullParserException( 2578 "Settings do not start with policies tag: found " + tag); 2579 } 2580 2581 // Extract the permission provider component name if available 2582 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2583 if (permissionProvider != null) { 2584 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2585 } 2586 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2587 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2588 policy.mUserSetupComplete = true; 2589 } 2590 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2591 if (paired != null && Boolean.toString(true).equals(paired)) { 2592 policy.mPaired = true; 2593 } 2594 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2595 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2596 if (deviceProvisioningConfigApplied != null 2597 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2598 policy.mDeviceProvisioningConfigApplied = true; 2599 } 2600 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2601 if (!TextUtils.isEmpty(provisioningState)) { 2602 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2603 } 2604 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2605 if (!TextUtils.isEmpty(permissionPolicy)) { 2606 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2607 } 2608 // Check for delegation compatibility with pre-O. 2609 // TODO(edmanp) remove in P. 2610 { 2611 final String certDelegate = parser.getAttributeValue(null, 2612 ATTR_DELEGATED_CERT_INSTALLER); 2613 if (certDelegate != null) { 2614 List<String> scopes = policy.mDelegationMap.get(certDelegate); 2615 if (scopes == null) { 2616 scopes = new ArrayList<>(); 2617 policy.mDelegationMap.put(certDelegate, scopes); 2618 } 2619 if (!scopes.contains(DELEGATION_CERT_INSTALL)) { 2620 scopes.add(DELEGATION_CERT_INSTALL); 2621 needsRewrite = true; 2622 } 2623 } 2624 final String appRestrictionsDelegate = parser.getAttributeValue(null, 2625 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2626 if (appRestrictionsDelegate != null) { 2627 List<String> scopes = policy.mDelegationMap.get(appRestrictionsDelegate); 2628 if (scopes == null) { 2629 scopes = new ArrayList<>(); 2630 policy.mDelegationMap.put(appRestrictionsDelegate, scopes); 2631 } 2632 if (!scopes.contains(DELEGATION_APP_RESTRICTIONS)) { 2633 scopes.add(DELEGATION_APP_RESTRICTIONS); 2634 needsRewrite = true; 2635 } 2636 } 2637 } 2638 2639 type = parser.next(); 2640 int outerDepth = parser.getDepth(); 2641 policy.mLockTaskPackages.clear(); 2642 policy.mAdminList.clear(); 2643 policy.mAdminMap.clear(); 2644 policy.mAffiliationIds.clear(); 2645 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2646 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2647 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2648 continue; 2649 } 2650 tag = parser.getName(); 2651 if ("admin".equals(tag)) { 2652 String name = parser.getAttributeValue(null, "name"); 2653 try { 2654 DeviceAdminInfo dai = findAdmin( 2655 ComponentName.unflattenFromString(name), userHandle, 2656 /* throwForMissionPermission= */ false); 2657 if (VERBOSE_LOG 2658 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2659 != userHandle)) { 2660 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2661 + dai.getActivityInfo().applicationInfo.uid + " for user " 2662 + userHandle); 2663 } 2664 if (dai != null) { 2665 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2666 ap.readFromXml(parser); 2667 policy.mAdminMap.put(ap.info.getComponent(), ap); 2668 } 2669 } catch (RuntimeException e) { 2670 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2671 } 2672 } else if ("delegation".equals(tag)) { 2673 // Parse delegation info. 2674 final String delegatePackage = parser.getAttributeValue(null, 2675 "delegatePackage"); 2676 final String scope = parser.getAttributeValue(null, "scope"); 2677 2678 // Get a reference to the scopes list for the delegatePackage. 2679 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 2680 // Or make a new list if none was found. 2681 if (scopes == null) { 2682 scopes = new ArrayList<>(); 2683 policy.mDelegationMap.put(delegatePackage, scopes); 2684 } 2685 // Add the new scope to the list of delegatePackage if it's not already there. 2686 if (!scopes.contains(scope)) { 2687 scopes.add(scope); 2688 } 2689 } else if ("failed-password-attempts".equals(tag)) { 2690 policy.mFailedPasswordAttempts = Integer.parseInt( 2691 parser.getAttributeValue(null, "value")); 2692 } else if ("password-owner".equals(tag)) { 2693 policy.mPasswordOwner = Integer.parseInt( 2694 parser.getAttributeValue(null, "value")); 2695 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2696 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2697 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2698 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2699 } else if (TAG_STATUS_BAR.equals(tag)) { 2700 policy.mStatusBarDisabled = Boolean.parseBoolean( 2701 parser.getAttributeValue(null, ATTR_DISABLED)); 2702 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2703 policy.doNotAskCredentialsOnBoot = true; 2704 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2705 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2706 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2707 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2708 parser.getAttributeValue(null, ATTR_VALUE)); 2709 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2710 policy.mLastBugReportRequestTime = Long.parseLong( 2711 parser.getAttributeValue(null, ATTR_VALUE)); 2712 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2713 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2714 parser.getAttributeValue(null, ATTR_VALUE)); 2715 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2716 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2717 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2718 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2719 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2720 } else if ("active-password".equals(tag)) { 2721 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2722 // Remove this from FBE devices 2723 needsRewrite = true; 2724 } else { 2725 final PasswordMetrics m = policy.mActivePasswordMetrics; 2726 m.quality = Integer.parseInt(parser.getAttributeValue(null, "quality")); 2727 m.length = Integer.parseInt(parser.getAttributeValue(null, "length")); 2728 m.upperCase = Integer.parseInt(parser.getAttributeValue(null, "uppercase")); 2729 m.lowerCase = Integer.parseInt(parser.getAttributeValue(null, "lowercase")); 2730 m.letters = Integer.parseInt(parser.getAttributeValue(null, "letters")); 2731 m.numeric = Integer.parseInt(parser.getAttributeValue(null, "numeric")); 2732 m.symbols = Integer.parseInt(parser.getAttributeValue(null, "symbols")); 2733 m.nonLetter = Integer.parseInt(parser.getAttributeValue(null, "nonletter")); 2734 } 2735 } else { 2736 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2737 XmlUtils.skipCurrentTag(parser); 2738 } 2739 } 2740 } catch (FileNotFoundException e) { 2741 // Don't be noisy, this is normal if we haven't defined any policies. 2742 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2743 | IndexOutOfBoundsException e) { 2744 Slog.w(LOG_TAG, "failed parsing " + file, e); 2745 } 2746 try { 2747 if (stream != null) { 2748 stream.close(); 2749 } 2750 } catch (IOException e) { 2751 // Ignore 2752 } 2753 2754 // Generate a list of admins from the admin map 2755 policy.mAdminList.addAll(policy.mAdminMap.values()); 2756 2757 // Might need to upgrade the file by rewriting it 2758 if (needsRewrite) { 2759 saveSettingsLocked(userHandle); 2760 } 2761 2762 validatePasswordOwnerLocked(policy); 2763 updateMaximumTimeToLockLocked(userHandle); 2764 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2765 if (policy.mStatusBarDisabled) { 2766 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2767 } 2768 } 2769 2770 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2771 long ident = mInjector.binderClearCallingIdentity(); 2772 try { 2773 mInjector.getIActivityManager() 2774 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2775 } catch (RemoteException e) { 2776 // Not gonna happen. 2777 } finally { 2778 mInjector.binderRestoreCallingIdentity(ident); 2779 } 2780 } 2781 2782 private void updateDeviceOwnerLocked() { 2783 long ident = mInjector.binderClearCallingIdentity(); 2784 try { 2785 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2786 // user id and also protect all other DAs too. 2787 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2788 if (deviceOwnerComponent != null) { 2789 mInjector.getIActivityManager() 2790 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2791 } 2792 } catch (RemoteException e) { 2793 // Not gonna happen. 2794 } finally { 2795 mInjector.binderRestoreCallingIdentity(ident); 2796 } 2797 } 2798 2799 static void validateQualityConstant(int quality) { 2800 switch (quality) { 2801 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2802 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2803 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2804 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2805 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2806 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2807 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2808 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2809 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2810 return; 2811 } 2812 throw new IllegalArgumentException("Invalid quality constant: 0x" 2813 + Integer.toHexString(quality)); 2814 } 2815 2816 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2817 if (policy.mPasswordOwner >= 0) { 2818 boolean haveOwner = false; 2819 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2820 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2821 haveOwner = true; 2822 break; 2823 } 2824 } 2825 if (!haveOwner) { 2826 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2827 + " no longer active; disabling"); 2828 policy.mPasswordOwner = -1; 2829 } 2830 } 2831 } 2832 2833 @VisibleForTesting 2834 void systemReady(int phase) { 2835 if (!mHasFeature) { 2836 return; 2837 } 2838 switch (phase) { 2839 case SystemService.PHASE_LOCK_SETTINGS_READY: 2840 onLockSettingsReady(); 2841 break; 2842 case SystemService.PHASE_BOOT_COMPLETED: 2843 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2844 break; 2845 } 2846 } 2847 2848 private void onLockSettingsReady() { 2849 getUserData(UserHandle.USER_SYSTEM); 2850 loadOwners(); 2851 cleanUpOldUsers(); 2852 2853 onStartUser(UserHandle.USER_SYSTEM); 2854 2855 // Register an observer for watching for user setup complete. 2856 new SetupContentObserver(mHandler).register(); 2857 // Initialize the user setup state, to handle the upgrade case. 2858 updateUserSetupCompleteAndPaired(); 2859 2860 List<String> packageList; 2861 synchronized (this) { 2862 packageList = getKeepUninstalledPackagesLocked(); 2863 } 2864 if (packageList != null) { 2865 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2866 } 2867 2868 synchronized (this) { 2869 // push the force-ephemeral-users policy to the user manager. 2870 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2871 if (deviceOwner != null) { 2872 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2873 } 2874 } 2875 } 2876 2877 private void ensureDeviceOwnerUserStarted() { 2878 final int userId; 2879 synchronized (this) { 2880 if (!mOwners.hasDeviceOwner()) { 2881 return; 2882 } 2883 userId = mOwners.getDeviceOwnerUserId(); 2884 } 2885 if (VERBOSE_LOG) { 2886 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2887 } 2888 if (userId != UserHandle.USER_SYSTEM) { 2889 try { 2890 mInjector.getIActivityManager().startUserInBackground(userId); 2891 2892 // STOPSHIP Prevent the DO user from being killed. 2893 2894 } catch (RemoteException e) { 2895 Slog.w(LOG_TAG, "Exception starting user", e); 2896 } 2897 } 2898 } 2899 2900 private void onStartUser(int userId) { 2901 updateScreenCaptureDisabledInWindowManager(userId, 2902 getScreenCaptureDisabled(null, userId)); 2903 pushUserRestrictions(userId); 2904 } 2905 2906 private void cleanUpOldUsers() { 2907 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2908 // before reboot 2909 Set<Integer> usersWithProfileOwners; 2910 Set<Integer> usersWithData; 2911 synchronized(this) { 2912 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2913 usersWithData = new ArraySet<>(); 2914 for (int i = 0; i < mUserData.size(); i++) { 2915 usersWithData.add(mUserData.keyAt(i)); 2916 } 2917 } 2918 List<UserInfo> allUsers = mUserManager.getUsers(); 2919 2920 Set<Integer> deletedUsers = new ArraySet<>(); 2921 deletedUsers.addAll(usersWithProfileOwners); 2922 deletedUsers.addAll(usersWithData); 2923 for (UserInfo userInfo : allUsers) { 2924 deletedUsers.remove(userInfo.id); 2925 } 2926 for (Integer userId : deletedUsers) { 2927 removeUserData(userId); 2928 } 2929 } 2930 2931 private void handlePasswordExpirationNotification(int userHandle) { 2932 final Bundle adminExtras = new Bundle(); 2933 adminExtras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2934 2935 synchronized (this) { 2936 final long now = System.currentTimeMillis(); 2937 2938 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2939 userHandle, /* parent */ false); 2940 final int N = admins.size(); 2941 for (int i = 0; i < N; i++) { 2942 ActiveAdmin admin = admins.get(i); 2943 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2944 && admin.passwordExpirationTimeout > 0L 2945 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2946 && admin.passwordExpirationDate > 0L) { 2947 sendAdminCommandLocked(admin, 2948 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING, adminExtras, null); 2949 } 2950 } 2951 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2952 } 2953 } 2954 2955 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2956 @Override 2957 protected Void doInBackground(Integer... params) { 2958 int userHandle = params[0]; 2959 2960 if (userHandle == UserHandle.USER_ALL) { 2961 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2962 manageNotification(userInfo.getUserHandle()); 2963 } 2964 } else { 2965 manageNotification(UserHandle.of(userHandle)); 2966 } 2967 return null; 2968 } 2969 2970 private void manageNotification(UserHandle userHandle) { 2971 if (!mUserManager.isUserUnlocked(userHandle)) { 2972 return; 2973 } 2974 2975 // Call out to KeyChain to check for CAs which are waiting for approval. 2976 final List<String> pendingCertificates; 2977 try { 2978 pendingCertificates = getInstalledCaCertificates(userHandle); 2979 } catch (RemoteException | RuntimeException e) { 2980 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2981 return; 2982 } 2983 2984 synchronized (DevicePolicyManagerService.this) { 2985 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2986 2987 // Remove deleted certificates. Flush xml if necessary. 2988 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2989 saveSettingsLocked(userHandle.getIdentifier()); 2990 } 2991 // Trim to approved certificates. 2992 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2993 } 2994 2995 if (pendingCertificates.isEmpty()) { 2996 mInjector.getNotificationManager().cancelAsUser( 2997 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2998 return; 2999 } 3000 3001 // Build and show a warning notification 3002 int smallIconId; 3003 String contentText; 3004 int parentUserId = userHandle.getIdentifier(); 3005 if (getProfileOwner(userHandle.getIdentifier()) != null) { 3006 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 3007 getProfileOwnerName(userHandle.getIdentifier())); 3008 smallIconId = R.drawable.stat_sys_certificate_info; 3009 parentUserId = getProfileParentId(userHandle.getIdentifier()); 3010 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 3011 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 3012 getDeviceOwnerName()); 3013 smallIconId = R.drawable.stat_sys_certificate_info; 3014 } else { 3015 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 3016 smallIconId = android.R.drawable.stat_sys_warning; 3017 } 3018 3019 final int numberOfCertificates = pendingCertificates.size(); 3020 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 3021 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 3022 dialogIntent.setPackage("com.android.settings"); 3023 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 3024 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 3025 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 3026 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 3027 new UserHandle(parentUserId)); 3028 3029 final Context userContext; 3030 try { 3031 final String packageName = mContext.getPackageName(); 3032 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 3033 } catch (PackageManager.NameNotFoundException e) { 3034 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 3035 return; 3036 } 3037 final Notification noti = new Notification.Builder(userContext) 3038 .setSmallIcon(smallIconId) 3039 .setContentTitle(mContext.getResources().getQuantityText( 3040 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 3041 .setContentText(contentText) 3042 .setContentIntent(notifyIntent) 3043 .setPriority(Notification.PRIORITY_HIGH) 3044 .setShowWhen(false) 3045 .setColor(mContext.getColor( 3046 com.android.internal.R.color.system_notification_accent_color)) 3047 .build(); 3048 3049 mInjector.getNotificationManager().notifyAsUser( 3050 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 3051 } 3052 3053 private List<String> getInstalledCaCertificates(UserHandle userHandle) 3054 throws RemoteException, RuntimeException { 3055 KeyChainConnection conn = null; 3056 try { 3057 conn = KeyChain.bindAsUser(mContext, userHandle); 3058 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 3059 List<String> result = new ArrayList<>(aliases.size()); 3060 for (int i = 0; i < aliases.size(); i++) { 3061 result.add(aliases.get(i).string); 3062 } 3063 return result; 3064 } catch (InterruptedException e) { 3065 Thread.currentThread().interrupt(); 3066 return null; 3067 } catch (AssertionError e) { 3068 throw new RuntimeException(e); 3069 } finally { 3070 if (conn != null) { 3071 conn.close(); 3072 } 3073 } 3074 } 3075 } 3076 3077 /** 3078 * @param adminReceiver The admin to add 3079 * @param refreshing true = update an active admin, no error 3080 */ 3081 @Override 3082 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 3083 if (!mHasFeature) { 3084 return; 3085 } 3086 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 3087 } 3088 3089 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 3090 Bundle onEnableData) { 3091 mContext.enforceCallingOrSelfPermission( 3092 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3093 enforceFullCrossUsersPermission(userHandle); 3094 3095 DevicePolicyData policy = getUserData(userHandle); 3096 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 3097 /* throwForMissionPermission= */ true); 3098 if (info == null) { 3099 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 3100 } 3101 if (!info.getActivityInfo().applicationInfo.isInternal()) { 3102 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 3103 + adminReceiver); 3104 } 3105 synchronized (this) { 3106 long ident = mInjector.binderClearCallingIdentity(); 3107 try { 3108 final ActiveAdmin existingAdmin 3109 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3110 if (!refreshing && existingAdmin != null) { 3111 throw new IllegalArgumentException("Admin is already added"); 3112 } 3113 if (policy.mRemovingAdmins.contains(adminReceiver)) { 3114 throw new IllegalArgumentException( 3115 "Trying to set an admin which is being removed"); 3116 } 3117 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 3118 newAdmin.testOnlyAdmin = 3119 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 3120 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 3121 policy.mAdminMap.put(adminReceiver, newAdmin); 3122 int replaceIndex = -1; 3123 final int N = policy.mAdminList.size(); 3124 for (int i=0; i < N; i++) { 3125 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 3126 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 3127 replaceIndex = i; 3128 break; 3129 } 3130 } 3131 if (replaceIndex == -1) { 3132 policy.mAdminList.add(newAdmin); 3133 enableIfNecessary(info.getPackageName(), userHandle); 3134 } else { 3135 policy.mAdminList.set(replaceIndex, newAdmin); 3136 } 3137 saveSettingsLocked(userHandle); 3138 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 3139 onEnableData, null); 3140 } finally { 3141 mInjector.binderRestoreCallingIdentity(ident); 3142 } 3143 } 3144 } 3145 3146 @Override 3147 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3148 if (!mHasFeature) { 3149 return false; 3150 } 3151 enforceFullCrossUsersPermission(userHandle); 3152 synchronized (this) { 3153 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3154 } 3155 } 3156 3157 @Override 3158 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3159 if (!mHasFeature) { 3160 return false; 3161 } 3162 enforceFullCrossUsersPermission(userHandle); 3163 synchronized (this) { 3164 DevicePolicyData policyData = getUserData(userHandle); 3165 return policyData.mRemovingAdmins.contains(adminReceiver); 3166 } 3167 } 3168 3169 @Override 3170 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3171 if (!mHasFeature) { 3172 return false; 3173 } 3174 enforceFullCrossUsersPermission(userHandle); 3175 synchronized (this) { 3176 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3177 if (administrator == null) { 3178 throw new SecurityException("No active admin " + adminReceiver); 3179 } 3180 return administrator.info.usesPolicy(policyId); 3181 } 3182 } 3183 3184 @Override 3185 @SuppressWarnings("unchecked") 3186 public List<ComponentName> getActiveAdmins(int userHandle) { 3187 if (!mHasFeature) { 3188 return Collections.EMPTY_LIST; 3189 } 3190 3191 enforceFullCrossUsersPermission(userHandle); 3192 synchronized (this) { 3193 DevicePolicyData policy = getUserData(userHandle); 3194 final int N = policy.mAdminList.size(); 3195 if (N <= 0) { 3196 return null; 3197 } 3198 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3199 for (int i=0; i<N; i++) { 3200 res.add(policy.mAdminList.get(i).info.getComponent()); 3201 } 3202 return res; 3203 } 3204 } 3205 3206 @Override 3207 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3208 if (!mHasFeature) { 3209 return false; 3210 } 3211 enforceFullCrossUsersPermission(userHandle); 3212 synchronized (this) { 3213 DevicePolicyData policy = getUserData(userHandle); 3214 final int N = policy.mAdminList.size(); 3215 for (int i=0; i<N; i++) { 3216 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3217 return true; 3218 } 3219 } 3220 return false; 3221 } 3222 } 3223 3224 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3225 if (!mHasFeature) { 3226 return; 3227 } 3228 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3229 enforceShell("forceRemoveActiveAdmin"); 3230 long ident = mInjector.binderClearCallingIdentity(); 3231 try { 3232 synchronized (this) { 3233 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3234 throw new SecurityException("Attempt to remove non-test admin " 3235 + adminReceiver + " " + userHandle); 3236 } 3237 3238 // If admin is a device or profile owner tidy that up first. 3239 if (isDeviceOwner(adminReceiver, userHandle)) { 3240 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3241 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userHandle)); 3242 } 3243 if (isProfileOwner(adminReceiver, userHandle)) { 3244 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3245 userHandle, /* parent */ false); 3246 clearProfileOwnerLocked(admin, userHandle); 3247 } 3248 } 3249 // Remove the admin skipping sending the broadcast. 3250 removeAdminArtifacts(adminReceiver, userHandle); 3251 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3252 } finally { 3253 mInjector.binderRestoreCallingIdentity(ident); 3254 } 3255 } 3256 3257 // It's temporary solution to clear DISALLOW_ADD_USER after CTS 3258 // STOPSHIP(b/31952368) when the restriction is moved from system to the device owner, 3259 // it can be removed. 3260 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3261 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3262 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3263 } 3264 } 3265 3266 /** 3267 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3268 * for CTS. 3269 * 3270 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3271 * to check wehter an active admin is test-only or not. 3272 * 3273 * The system allows this flag to be changed when an app is updated, which is not good 3274 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3275 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3276 */ 3277 private boolean isPackageTestOnly(String packageName, int userHandle) { 3278 final ApplicationInfo ai; 3279 try { 3280 ai = mIPackageManager.getApplicationInfo(packageName, 3281 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3282 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3283 } catch (RemoteException e) { 3284 throw new IllegalStateException(e); 3285 } 3286 if (ai == null) { 3287 throw new IllegalStateException("Couldn't find package: " 3288 + packageName + " on user " + userHandle); 3289 } 3290 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3291 } 3292 3293 /** 3294 * See {@link #isPackageTestOnly}. 3295 */ 3296 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3297 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3298 return (admin != null) && admin.testOnlyAdmin; 3299 } 3300 3301 private void enforceShell(String method) { 3302 final int callingUid = Binder.getCallingUid(); 3303 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3304 throw new SecurityException("Non-shell user attempted to call " + method); 3305 } 3306 } 3307 3308 @Override 3309 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3310 if (!mHasFeature) { 3311 return; 3312 } 3313 enforceFullCrossUsersPermission(userHandle); 3314 enforceUserUnlocked(userHandle); 3315 synchronized (this) { 3316 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3317 if (admin == null) { 3318 return; 3319 } 3320 // Active device/profile owners must remain active admins. 3321 if (isDeviceOwner(adminReceiver, userHandle) 3322 || isProfileOwner(adminReceiver, userHandle)) { 3323 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3324 adminReceiver); 3325 return; 3326 } 3327 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3328 mContext.enforceCallingOrSelfPermission( 3329 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3330 } 3331 long ident = mInjector.binderClearCallingIdentity(); 3332 try { 3333 removeActiveAdminLocked(adminReceiver, userHandle); 3334 } finally { 3335 mInjector.binderRestoreCallingIdentity(ident); 3336 } 3337 } 3338 } 3339 3340 @Override 3341 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3342 ComponentName profileOwner = getProfileOwner(userHandle); 3343 // Profile challenge is supported on N or newer release. 3344 return profileOwner != null && 3345 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3346 } 3347 3348 @Override 3349 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3350 if (!mHasFeature) { 3351 return; 3352 } 3353 Preconditions.checkNotNull(who, "ComponentName is null"); 3354 validateQualityConstant(quality); 3355 3356 synchronized (this) { 3357 ActiveAdmin ap = getActiveAdminForCallerLocked( 3358 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3359 if (ap.minimumPasswordMetrics.quality != quality) { 3360 ap.minimumPasswordMetrics.quality = quality; 3361 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3362 } 3363 } 3364 } 3365 3366 @Override 3367 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3368 if (!mHasFeature) { 3369 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3370 } 3371 enforceFullCrossUsersPermission(userHandle); 3372 synchronized (this) { 3373 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3374 3375 if (who != null) { 3376 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3377 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3378 } 3379 3380 // Return the strictest policy across all participating admins. 3381 List<ActiveAdmin> admins = 3382 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3383 final int N = admins.size(); 3384 for (int i = 0; i < N; i++) { 3385 ActiveAdmin admin = admins.get(i); 3386 if (mode < admin.minimumPasswordMetrics.quality) { 3387 mode = admin.minimumPasswordMetrics.quality; 3388 } 3389 } 3390 return mode; 3391 } 3392 } 3393 3394 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3395 int userHandle, boolean parent) { 3396 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3397 // If this user has a separate challenge, only return its restrictions. 3398 return getUserDataUnchecked(userHandle).mAdminList; 3399 } else { 3400 // Return all admins for this user and the profiles that are visible from this 3401 // user that do not use a separate work challenge. 3402 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3403 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3404 DevicePolicyData policy = getUserData(userInfo.id); 3405 if (!userInfo.isManagedProfile()) { 3406 admins.addAll(policy.mAdminList); 3407 } else { 3408 // For managed profiles, we always include the policies set on the parent 3409 // profile. Additionally, we include the ones set on the managed profile 3410 // if no separate challenge is in place. 3411 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3412 final int N = policy.mAdminList.size(); 3413 for (int i = 0; i < N; i++) { 3414 ActiveAdmin admin = policy.mAdminList.get(i); 3415 if (admin.hasParentActiveAdmin()) { 3416 admins.add(admin.getParentActiveAdmin()); 3417 } 3418 if (!hasSeparateChallenge) { 3419 admins.add(admin); 3420 } 3421 } 3422 } 3423 } 3424 return admins; 3425 } 3426 } 3427 3428 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3429 long ident = mInjector.binderClearCallingIdentity(); 3430 try { 3431 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3432 } finally { 3433 mInjector.binderRestoreCallingIdentity(ident); 3434 } 3435 } 3436 3437 @Override 3438 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3439 if (!mHasFeature) { 3440 return; 3441 } 3442 Preconditions.checkNotNull(who, "ComponentName is null"); 3443 synchronized (this) { 3444 ActiveAdmin ap = getActiveAdminForCallerLocked( 3445 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3446 if (ap.minimumPasswordMetrics.length != length) { 3447 ap.minimumPasswordMetrics.length = length; 3448 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3449 } 3450 } 3451 } 3452 3453 @Override 3454 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3455 if (!mHasFeature) { 3456 return 0; 3457 } 3458 enforceFullCrossUsersPermission(userHandle); 3459 synchronized (this) { 3460 int length = 0; 3461 3462 if (who != null) { 3463 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3464 return admin != null ? admin.minimumPasswordMetrics.length : length; 3465 } 3466 3467 // Return the strictest policy across all participating admins. 3468 List<ActiveAdmin> admins = 3469 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3470 final int N = admins.size(); 3471 for (int i = 0; i < N; i++) { 3472 ActiveAdmin admin = admins.get(i); 3473 if (length < admin.minimumPasswordMetrics.length) { 3474 length = admin.minimumPasswordMetrics.length; 3475 } 3476 } 3477 return length; 3478 } 3479 } 3480 3481 @Override 3482 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3483 if (!mHasFeature) { 3484 return; 3485 } 3486 Preconditions.checkNotNull(who, "ComponentName is null"); 3487 synchronized (this) { 3488 ActiveAdmin ap = getActiveAdminForCallerLocked( 3489 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3490 if (ap.passwordHistoryLength != length) { 3491 ap.passwordHistoryLength = length; 3492 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3493 } 3494 } 3495 } 3496 3497 @Override 3498 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3499 if (!mHasFeature) { 3500 return 0; 3501 } 3502 enforceFullCrossUsersPermission(userHandle); 3503 synchronized (this) { 3504 int length = 0; 3505 3506 if (who != null) { 3507 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3508 return admin != null ? admin.passwordHistoryLength : length; 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 (length < admin.passwordHistoryLength) { 3518 length = admin.passwordHistoryLength; 3519 } 3520 } 3521 3522 return length; 3523 } 3524 } 3525 3526 @Override 3527 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3528 if (!mHasFeature) { 3529 return; 3530 } 3531 Preconditions.checkNotNull(who, "ComponentName is null"); 3532 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3533 final int userHandle = mInjector.userHandleGetCallingUserId(); 3534 synchronized (this) { 3535 ActiveAdmin ap = getActiveAdminForCallerLocked( 3536 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3537 // Calling this API automatically bumps the expiration date 3538 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3539 ap.passwordExpirationDate = expiration; 3540 ap.passwordExpirationTimeout = timeout; 3541 if (timeout > 0L) { 3542 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3543 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3544 .format(new Date(expiration))); 3545 } 3546 saveSettingsLocked(userHandle); 3547 3548 // in case this is the first one, set the alarm on the appropriate user. 3549 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3550 } 3551 } 3552 3553 /** 3554 * Return a single admin's expiration cycle time, or the min of all cycle times. 3555 * Returns 0 if not configured. 3556 */ 3557 @Override 3558 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3559 if (!mHasFeature) { 3560 return 0L; 3561 } 3562 enforceFullCrossUsersPermission(userHandle); 3563 synchronized (this) { 3564 long timeout = 0L; 3565 3566 if (who != null) { 3567 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3568 return admin != null ? admin.passwordExpirationTimeout : timeout; 3569 } 3570 3571 // Return the strictest policy across all participating admins. 3572 List<ActiveAdmin> admins = 3573 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3574 final int N = admins.size(); 3575 for (int i = 0; i < N; i++) { 3576 ActiveAdmin admin = admins.get(i); 3577 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3578 && timeout > admin.passwordExpirationTimeout)) { 3579 timeout = admin.passwordExpirationTimeout; 3580 } 3581 } 3582 return timeout; 3583 } 3584 } 3585 3586 @Override 3587 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3588 final int userId = UserHandle.getCallingUserId(); 3589 List<String> changedProviders = null; 3590 3591 synchronized (this) { 3592 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3593 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3594 if (activeAdmin.crossProfileWidgetProviders == null) { 3595 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3596 } 3597 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3598 if (!providers.contains(packageName)) { 3599 providers.add(packageName); 3600 changedProviders = new ArrayList<>(providers); 3601 saveSettingsLocked(userId); 3602 } 3603 } 3604 3605 if (changedProviders != null) { 3606 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3607 return true; 3608 } 3609 3610 return false; 3611 } 3612 3613 @Override 3614 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3615 final int userId = UserHandle.getCallingUserId(); 3616 List<String> changedProviders = null; 3617 3618 synchronized (this) { 3619 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3620 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3621 if (activeAdmin.crossProfileWidgetProviders == null 3622 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3623 return false; 3624 } 3625 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3626 if (providers.remove(packageName)) { 3627 changedProviders = new ArrayList<>(providers); 3628 saveSettingsLocked(userId); 3629 } 3630 } 3631 3632 if (changedProviders != null) { 3633 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3634 return true; 3635 } 3636 3637 return false; 3638 } 3639 3640 @Override 3641 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3642 synchronized (this) { 3643 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3644 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3645 if (activeAdmin.crossProfileWidgetProviders == null 3646 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3647 return null; 3648 } 3649 if (mInjector.binderIsCallingUidMyUid()) { 3650 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3651 } else { 3652 return activeAdmin.crossProfileWidgetProviders; 3653 } 3654 } 3655 } 3656 3657 /** 3658 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3659 * Returns 0 if not configured. 3660 */ 3661 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3662 long timeout = 0L; 3663 3664 if (who != null) { 3665 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3666 return admin != null ? admin.passwordExpirationDate : timeout; 3667 } 3668 3669 // Return the strictest policy across all participating admins. 3670 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3671 final int N = admins.size(); 3672 for (int i = 0; i < N; i++) { 3673 ActiveAdmin admin = admins.get(i); 3674 if (timeout == 0L || (admin.passwordExpirationDate != 0 3675 && timeout > admin.passwordExpirationDate)) { 3676 timeout = admin.passwordExpirationDate; 3677 } 3678 } 3679 return timeout; 3680 } 3681 3682 @Override 3683 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3684 if (!mHasFeature) { 3685 return 0L; 3686 } 3687 enforceFullCrossUsersPermission(userHandle); 3688 synchronized (this) { 3689 return getPasswordExpirationLocked(who, userHandle, parent); 3690 } 3691 } 3692 3693 @Override 3694 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3695 if (!mHasFeature) { 3696 return; 3697 } 3698 Preconditions.checkNotNull(who, "ComponentName is null"); 3699 synchronized (this) { 3700 ActiveAdmin ap = getActiveAdminForCallerLocked( 3701 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3702 if (ap.minimumPasswordMetrics.upperCase != length) { 3703 ap.minimumPasswordMetrics.upperCase = length; 3704 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3705 } 3706 } 3707 } 3708 3709 @Override 3710 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3711 if (!mHasFeature) { 3712 return 0; 3713 } 3714 enforceFullCrossUsersPermission(userHandle); 3715 synchronized (this) { 3716 int length = 0; 3717 3718 if (who != null) { 3719 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3720 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3721 } 3722 3723 // Return the strictest policy across all participating admins. 3724 List<ActiveAdmin> admins = 3725 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3726 final int N = admins.size(); 3727 for (int i = 0; i < N; i++) { 3728 ActiveAdmin admin = admins.get(i); 3729 if (length < admin.minimumPasswordMetrics.upperCase) { 3730 length = admin.minimumPasswordMetrics.upperCase; 3731 } 3732 } 3733 return length; 3734 } 3735 } 3736 3737 @Override 3738 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3739 Preconditions.checkNotNull(who, "ComponentName is null"); 3740 synchronized (this) { 3741 ActiveAdmin ap = getActiveAdminForCallerLocked( 3742 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3743 if (ap.minimumPasswordMetrics.lowerCase != length) { 3744 ap.minimumPasswordMetrics.lowerCase = length; 3745 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3746 } 3747 } 3748 } 3749 3750 @Override 3751 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3752 if (!mHasFeature) { 3753 return 0; 3754 } 3755 enforceFullCrossUsersPermission(userHandle); 3756 synchronized (this) { 3757 int length = 0; 3758 3759 if (who != null) { 3760 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3761 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3762 } 3763 3764 // Return the strictest policy across all participating admins. 3765 List<ActiveAdmin> admins = 3766 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3767 final int N = admins.size(); 3768 for (int i = 0; i < N; i++) { 3769 ActiveAdmin admin = admins.get(i); 3770 if (length < admin.minimumPasswordMetrics.lowerCase) { 3771 length = admin.minimumPasswordMetrics.lowerCase; 3772 } 3773 } 3774 return length; 3775 } 3776 } 3777 3778 @Override 3779 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3780 if (!mHasFeature) { 3781 return; 3782 } 3783 Preconditions.checkNotNull(who, "ComponentName is null"); 3784 synchronized (this) { 3785 ActiveAdmin ap = getActiveAdminForCallerLocked( 3786 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3787 if (ap.minimumPasswordMetrics.letters != length) { 3788 ap.minimumPasswordMetrics.letters = length; 3789 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3790 } 3791 } 3792 } 3793 3794 @Override 3795 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3796 if (!mHasFeature) { 3797 return 0; 3798 } 3799 enforceFullCrossUsersPermission(userHandle); 3800 synchronized (this) { 3801 int length = 0; 3802 3803 if (who != null) { 3804 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3805 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3806 } 3807 3808 // Return the strictest policy across all participating admins. 3809 List<ActiveAdmin> admins = 3810 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3811 final int N = admins.size(); 3812 for (int i = 0; i < N; i++) { 3813 ActiveAdmin admin = admins.get(i); 3814 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3815 continue; 3816 } 3817 if (length < admin.minimumPasswordMetrics.letters) { 3818 length = admin.minimumPasswordMetrics.letters; 3819 } 3820 } 3821 return length; 3822 } 3823 } 3824 3825 @Override 3826 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3827 if (!mHasFeature) { 3828 return; 3829 } 3830 Preconditions.checkNotNull(who, "ComponentName is null"); 3831 synchronized (this) { 3832 ActiveAdmin ap = getActiveAdminForCallerLocked( 3833 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3834 if (ap.minimumPasswordMetrics.numeric != length) { 3835 ap.minimumPasswordMetrics.numeric = length; 3836 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3837 } 3838 } 3839 } 3840 3841 @Override 3842 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3843 if (!mHasFeature) { 3844 return 0; 3845 } 3846 enforceFullCrossUsersPermission(userHandle); 3847 synchronized (this) { 3848 int length = 0; 3849 3850 if (who != null) { 3851 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3852 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3853 } 3854 3855 // Return the strictest policy across all participating admins. 3856 List<ActiveAdmin> admins = 3857 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3858 final int N = admins.size(); 3859 for (int i = 0; i < N; i++) { 3860 ActiveAdmin admin = admins.get(i); 3861 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3862 continue; 3863 } 3864 if (length < admin.minimumPasswordMetrics.numeric) { 3865 length = admin.minimumPasswordMetrics.numeric; 3866 } 3867 } 3868 return length; 3869 } 3870 } 3871 3872 @Override 3873 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3874 if (!mHasFeature) { 3875 return; 3876 } 3877 Preconditions.checkNotNull(who, "ComponentName is null"); 3878 synchronized (this) { 3879 ActiveAdmin ap = getActiveAdminForCallerLocked( 3880 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3881 if (ap.minimumPasswordMetrics.symbols != length) { 3882 ap.minimumPasswordMetrics.symbols = length; 3883 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3884 } 3885 } 3886 } 3887 3888 @Override 3889 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3890 if (!mHasFeature) { 3891 return 0; 3892 } 3893 enforceFullCrossUsersPermission(userHandle); 3894 synchronized (this) { 3895 int length = 0; 3896 3897 if (who != null) { 3898 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3899 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 3900 } 3901 3902 // Return the strictest policy across all participating admins. 3903 List<ActiveAdmin> admins = 3904 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3905 final int N = admins.size(); 3906 for (int i = 0; i < N; i++) { 3907 ActiveAdmin admin = admins.get(i); 3908 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3909 continue; 3910 } 3911 if (length < admin.minimumPasswordMetrics.symbols) { 3912 length = admin.minimumPasswordMetrics.symbols; 3913 } 3914 } 3915 return length; 3916 } 3917 } 3918 3919 @Override 3920 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3921 if (!mHasFeature) { 3922 return; 3923 } 3924 Preconditions.checkNotNull(who, "ComponentName is null"); 3925 synchronized (this) { 3926 ActiveAdmin ap = getActiveAdminForCallerLocked( 3927 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3928 if (ap.minimumPasswordMetrics.nonLetter != length) { 3929 ap.minimumPasswordMetrics.nonLetter = length; 3930 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3931 } 3932 } 3933 } 3934 3935 @Override 3936 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3937 if (!mHasFeature) { 3938 return 0; 3939 } 3940 enforceFullCrossUsersPermission(userHandle); 3941 synchronized (this) { 3942 int length = 0; 3943 3944 if (who != null) { 3945 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3946 return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; 3947 } 3948 3949 // Return the strictest policy across all participating admins. 3950 List<ActiveAdmin> admins = 3951 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3952 final int N = admins.size(); 3953 for (int i = 0; i < N; i++) { 3954 ActiveAdmin admin = admins.get(i); 3955 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3956 continue; 3957 } 3958 if (length < admin.minimumPasswordMetrics.nonLetter) { 3959 length = admin.minimumPasswordMetrics.nonLetter; 3960 } 3961 } 3962 return length; 3963 } 3964 } 3965 3966 @Override 3967 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3968 if (!mHasFeature) { 3969 return true; 3970 } 3971 enforceFullCrossUsersPermission(userHandle); 3972 3973 synchronized (this) { 3974 // This API can only be called by an active device admin, 3975 // so try to retrieve it to check that the caller is one. 3976 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3977 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3978 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3979 } 3980 } 3981 3982 @Override 3983 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3984 if (!mHasFeature) { 3985 return true; 3986 } 3987 enforceFullCrossUsersPermission(userHandle); 3988 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3989 3990 synchronized (this) { 3991 int targetUser = getProfileParentId(userHandle); 3992 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3993 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3994 } 3995 } 3996 3997 private boolean isActivePasswordSufficientForUserLocked( 3998 DevicePolicyData policy, int userHandle, boolean parent) { 3999 enforceUserUnlocked(userHandle, parent); 4000 4001 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 4002 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 4003 return false; 4004 } 4005 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 4006 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 4007 null, userHandle, parent)) { 4008 return false; 4009 } 4010 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4011 return true; 4012 } 4013 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 4014 null, userHandle, parent) 4015 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 4016 null, userHandle, parent) 4017 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 4018 null, userHandle, parent) 4019 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 4020 null, userHandle, parent) 4021 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 4022 null, userHandle, parent) 4023 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 4024 null, userHandle, parent); 4025 } 4026 4027 @Override 4028 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 4029 enforceFullCrossUsersPermission(userHandle); 4030 synchronized (this) { 4031 if (!isCallerWithSystemUid()) { 4032 // This API can only be called by an active device admin, 4033 // so try to retrieve it to check that the caller is one. 4034 getActiveAdminForCallerLocked( 4035 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4036 } 4037 4038 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 4039 4040 return policy.mFailedPasswordAttempts; 4041 } 4042 } 4043 4044 @Override 4045 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 4046 if (!mHasFeature) { 4047 return; 4048 } 4049 Preconditions.checkNotNull(who, "ComponentName is null"); 4050 synchronized (this) { 4051 // This API can only be called by an active device admin, 4052 // so try to retrieve it to check that the caller is one. 4053 getActiveAdminForCallerLocked( 4054 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 4055 ActiveAdmin ap = getActiveAdminForCallerLocked( 4056 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4057 if (ap.maximumFailedPasswordsForWipe != num) { 4058 ap.maximumFailedPasswordsForWipe = num; 4059 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 4060 } 4061 } 4062 } 4063 4064 @Override 4065 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 4066 if (!mHasFeature) { 4067 return 0; 4068 } 4069 enforceFullCrossUsersPermission(userHandle); 4070 synchronized (this) { 4071 ActiveAdmin admin = (who != null) 4072 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 4073 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 4074 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 4075 } 4076 } 4077 4078 @Override 4079 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 4080 if (!mHasFeature) { 4081 return UserHandle.USER_NULL; 4082 } 4083 enforceFullCrossUsersPermission(userHandle); 4084 synchronized (this) { 4085 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4086 userHandle, parent); 4087 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 4088 } 4089 } 4090 4091 /** 4092 * Returns the admin with the strictest policy on maximum failed passwords for: 4093 * <ul> 4094 * <li>this user if it has a separate profile challenge, or 4095 * <li>this user and all profiles that don't have their own challenge otherwise. 4096 * </ul> 4097 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 4098 * the primary profile. 4099 * Returns {@code null} if no participating admin has that policy set. 4100 */ 4101 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 4102 int userHandle, boolean parent) { 4103 int count = 0; 4104 ActiveAdmin strictestAdmin = null; 4105 4106 // Return the strictest policy across all participating admins. 4107 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4108 final int N = admins.size(); 4109 for (int i = 0; i < N; i++) { 4110 ActiveAdmin admin = admins.get(i); 4111 if (admin.maximumFailedPasswordsForWipe == 4112 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 4113 continue; // No max number of failed passwords policy set for this profile. 4114 } 4115 4116 // We always favor the primary profile if several profiles have the same value set. 4117 int userId = admin.getUserHandle().getIdentifier(); 4118 if (count == 0 || 4119 count > admin.maximumFailedPasswordsForWipe || 4120 (count == admin.maximumFailedPasswordsForWipe && 4121 getUserInfo(userId).isPrimary())) { 4122 count = admin.maximumFailedPasswordsForWipe; 4123 strictestAdmin = admin; 4124 } 4125 } 4126 return strictestAdmin; 4127 } 4128 4129 private UserInfo getUserInfo(@UserIdInt int userId) { 4130 final long token = mInjector.binderClearCallingIdentity(); 4131 try { 4132 return mUserManager.getUserInfo(userId); 4133 } finally { 4134 mInjector.binderRestoreCallingIdentity(token); 4135 } 4136 } 4137 4138 @Override 4139 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 4140 if (!mHasFeature) { 4141 return false; 4142 } 4143 final int callingUid = mInjector.binderGetCallingUid(); 4144 final int userHandle = mInjector.userHandleGetCallingUserId(); 4145 4146 String password = passwordOrNull != null ? passwordOrNull : ""; 4147 4148 // Password resetting to empty/null is not allowed for managed profiles. 4149 if (TextUtils.isEmpty(password)) { 4150 enforceNotManagedProfile(userHandle, "clear the active password"); 4151 } 4152 4153 int quality; 4154 synchronized (this) { 4155 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4156 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4157 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4158 final boolean preN; 4159 if (admin != null) { 4160 preN = getTargetSdk(admin.info.getPackageName(), 4161 userHandle) <= android.os.Build.VERSION_CODES.M; 4162 } else { 4163 // Otherwise, make sure the caller has any active admin with the right policy. 4164 admin = getActiveAdminForCallerLocked(null, 4165 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4166 preN = getTargetSdk(admin.info.getPackageName(), 4167 userHandle) <= android.os.Build.VERSION_CODES.M; 4168 4169 // As of N, password resetting to empty/null is not allowed anymore. 4170 // TODO Should we allow DO/PO to set an empty password? 4171 if (TextUtils.isEmpty(password)) { 4172 if (!preN) { 4173 throw new SecurityException("Cannot call with null password"); 4174 } else { 4175 Slog.e(LOG_TAG, "Cannot call with null password"); 4176 return false; 4177 } 4178 } 4179 // As of N, password cannot be changed by the admin if it is already set. 4180 if (isLockScreenSecureUnchecked(userHandle)) { 4181 if (!preN) { 4182 throw new SecurityException("Admin cannot change current password"); 4183 } else { 4184 Slog.e(LOG_TAG, "Admin cannot change current password"); 4185 return false; 4186 } 4187 } 4188 } 4189 // Do not allow to reset password when current user has a managed profile 4190 if (!isManagedProfile(userHandle)) { 4191 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4192 if (userInfo.isManagedProfile()) { 4193 if (!preN) { 4194 throw new IllegalStateException( 4195 "Cannot reset password on user has managed profile"); 4196 } else { 4197 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4198 return false; 4199 } 4200 } 4201 } 4202 } 4203 // Do not allow to reset password when user is locked 4204 if (!mUserManager.isUserUnlocked(userHandle)) { 4205 if (!preN) { 4206 throw new IllegalStateException("Cannot reset password when user is locked"); 4207 } else { 4208 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4209 return false; 4210 } 4211 } 4212 4213 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4214 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4215 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4216 } 4217 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4218 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4219 final int realQuality = metrics.quality; 4220 if (realQuality < quality 4221 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4222 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4223 + Integer.toHexString(realQuality) 4224 + " does not meet required quality 0x" 4225 + Integer.toHexString(quality)); 4226 return false; 4227 } 4228 quality = Math.max(realQuality, quality); 4229 } 4230 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4231 if (password.length() < length) { 4232 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4233 + " does not meet required length " + length); 4234 return false; 4235 } 4236 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4237 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4238 if(metrics.letters < neededLetters) { 4239 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4240 + " does not meet required number of letters " + neededLetters); 4241 return false; 4242 } 4243 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4244 if (metrics.numeric < neededNumeric) { 4245 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4246 + " does not meet required number of numerical digits " 4247 + neededNumeric); 4248 return false; 4249 } 4250 int neededLowerCase = getPasswordMinimumLowerCase( 4251 null, userHandle, /* parent */ false); 4252 if (metrics.lowerCase < neededLowerCase) { 4253 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4254 + metrics.lowerCase 4255 + " does not meet required number of lowercase letters " 4256 + neededLowerCase); 4257 return false; 4258 } 4259 int neededUpperCase = getPasswordMinimumUpperCase( 4260 null, userHandle, /* parent */ false); 4261 if (metrics.upperCase < neededUpperCase) { 4262 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4263 + metrics.upperCase 4264 + " does not meet required number of uppercase letters " 4265 + neededUpperCase); 4266 return false; 4267 } 4268 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4269 if (metrics.symbols < neededSymbols) { 4270 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4271 + " does not meet required number of special symbols " + neededSymbols); 4272 return false; 4273 } 4274 int neededNonLetter = getPasswordMinimumNonLetter( 4275 null, userHandle, /* parent */ false); 4276 if (metrics.nonLetter < neededNonLetter) { 4277 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4278 + metrics.nonLetter 4279 + " does not meet required number of non-letter characters " 4280 + neededNonLetter); 4281 return false; 4282 } 4283 } 4284 } 4285 4286 DevicePolicyData policy = getUserData(userHandle); 4287 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4288 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4289 return false; 4290 } 4291 4292 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4293 boolean doNotAskCredentialsOnBoot = 4294 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4295 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4296 setDoNotAskCredentialsOnBoot(); 4297 } 4298 4299 // Don't do this with the lock held, because it is going to call 4300 // back in to the service. 4301 final long ident = mInjector.binderClearCallingIdentity(); 4302 try { 4303 if (!TextUtils.isEmpty(password)) { 4304 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4305 } else { 4306 mLockPatternUtils.clearLock(null, userHandle); 4307 } 4308 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4309 if (requireEntry) { 4310 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4311 UserHandle.USER_ALL); 4312 } 4313 synchronized (this) { 4314 int newOwner = requireEntry ? callingUid : -1; 4315 if (policy.mPasswordOwner != newOwner) { 4316 policy.mPasswordOwner = newOwner; 4317 saveSettingsLocked(userHandle); 4318 } 4319 } 4320 } finally { 4321 mInjector.binderRestoreCallingIdentity(ident); 4322 } 4323 4324 return true; 4325 } 4326 4327 private boolean isLockScreenSecureUnchecked(int userId) { 4328 long ident = mInjector.binderClearCallingIdentity(); 4329 try { 4330 return mLockPatternUtils.isSecure(userId); 4331 } finally { 4332 mInjector.binderRestoreCallingIdentity(ident); 4333 } 4334 } 4335 4336 private void setDoNotAskCredentialsOnBoot() { 4337 synchronized (this) { 4338 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4339 if (!policyData.doNotAskCredentialsOnBoot) { 4340 policyData.doNotAskCredentialsOnBoot = true; 4341 saveSettingsLocked(UserHandle.USER_SYSTEM); 4342 } 4343 } 4344 } 4345 4346 @Override 4347 public boolean getDoNotAskCredentialsOnBoot() { 4348 mContext.enforceCallingOrSelfPermission( 4349 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4350 synchronized (this) { 4351 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4352 return policyData.doNotAskCredentialsOnBoot; 4353 } 4354 } 4355 4356 @Override 4357 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4358 if (!mHasFeature) { 4359 return; 4360 } 4361 Preconditions.checkNotNull(who, "ComponentName is null"); 4362 final int userHandle = mInjector.userHandleGetCallingUserId(); 4363 synchronized (this) { 4364 ActiveAdmin ap = getActiveAdminForCallerLocked( 4365 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4366 if (ap.maximumTimeToUnlock != timeMs) { 4367 ap.maximumTimeToUnlock = timeMs; 4368 saveSettingsLocked(userHandle); 4369 updateMaximumTimeToLockLocked(userHandle); 4370 } 4371 } 4372 } 4373 4374 void updateMaximumTimeToLockLocked(int userHandle) { 4375 // Calculate the min timeout for all profiles - including the ones with a separate 4376 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4377 // challenge only and keep the screen on. However there is no easy way of doing that at the 4378 // moment so we set the screen off timeout regardless of whether it affects the parent user 4379 // or the profile challenge only. 4380 long timeMs = Long.MAX_VALUE; 4381 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4382 for (int profileId : profileIds) { 4383 DevicePolicyData policy = getUserDataUnchecked(profileId); 4384 final int N = policy.mAdminList.size(); 4385 for (int i = 0; i < N; i++) { 4386 ActiveAdmin admin = policy.mAdminList.get(i); 4387 if (admin.maximumTimeToUnlock > 0 4388 && timeMs > admin.maximumTimeToUnlock) { 4389 timeMs = admin.maximumTimeToUnlock; 4390 } 4391 // If userInfo.id is a managed profile, we also need to look at 4392 // the policies set on the parent. 4393 if (admin.hasParentActiveAdmin()) { 4394 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4395 if (parentAdmin.maximumTimeToUnlock > 0 4396 && timeMs > parentAdmin.maximumTimeToUnlock) { 4397 timeMs = parentAdmin.maximumTimeToUnlock; 4398 } 4399 } 4400 } 4401 } 4402 4403 // We only store the last maximum time to lock on the parent profile. So if calling from a 4404 // managed profile, retrieve the policy for the parent. 4405 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4406 if (policy.mLastMaximumTimeToLock == timeMs) { 4407 return; 4408 } 4409 policy.mLastMaximumTimeToLock = timeMs; 4410 4411 final long ident = mInjector.binderClearCallingIdentity(); 4412 try { 4413 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4414 // Make sure KEEP_SCREEN_ON is disabled, since that 4415 // would allow bypassing of the maximum time to lock. 4416 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4417 } 4418 4419 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4420 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4421 } finally { 4422 mInjector.binderRestoreCallingIdentity(ident); 4423 } 4424 } 4425 4426 @Override 4427 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4428 if (!mHasFeature) { 4429 return 0; 4430 } 4431 enforceFullCrossUsersPermission(userHandle); 4432 synchronized (this) { 4433 if (who != null) { 4434 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4435 return admin != null ? admin.maximumTimeToUnlock : 0; 4436 } 4437 // Return the strictest policy across all participating admins. 4438 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4439 userHandle, parent); 4440 return getMaximumTimeToLockPolicyFromAdmins(admins); 4441 } 4442 } 4443 4444 @Override 4445 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4446 if (!mHasFeature) { 4447 return 0; 4448 } 4449 enforceFullCrossUsersPermission(userHandle); 4450 synchronized (this) { 4451 // All admins for this user. 4452 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4453 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4454 DevicePolicyData policy = getUserData(userInfo.id); 4455 admins.addAll(policy.mAdminList); 4456 // If it is a managed profile, it may have parent active admins 4457 if (userInfo.isManagedProfile()) { 4458 for (ActiveAdmin admin : policy.mAdminList) { 4459 if (admin.hasParentActiveAdmin()) { 4460 admins.add(admin.getParentActiveAdmin()); 4461 } 4462 } 4463 } 4464 } 4465 return getMaximumTimeToLockPolicyFromAdmins(admins); 4466 } 4467 } 4468 4469 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4470 long time = 0; 4471 final int N = admins.size(); 4472 for (int i = 0; i < N; i++) { 4473 ActiveAdmin admin = admins.get(i); 4474 if (time == 0) { 4475 time = admin.maximumTimeToUnlock; 4476 } else if (admin.maximumTimeToUnlock != 0 4477 && time > admin.maximumTimeToUnlock) { 4478 time = admin.maximumTimeToUnlock; 4479 } 4480 } 4481 return time; 4482 } 4483 4484 @Override 4485 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4486 boolean parent) { 4487 if (!mHasFeature) { 4488 return; 4489 } 4490 Preconditions.checkNotNull(who, "ComponentName is null"); 4491 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4492 // timeoutMs with value 0 means that the admin doesn't participate 4493 // timeoutMs is clamped to the interval in case the internal constants change in the future 4494 final long minimumStrongAuthTimeout = getMinimumStrongAuthTimeoutMs(); 4495 if (timeoutMs != 0 && timeoutMs < minimumStrongAuthTimeout) { 4496 timeoutMs = minimumStrongAuthTimeout; 4497 } 4498 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4499 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4500 } 4501 4502 final int userHandle = mInjector.userHandleGetCallingUserId(); 4503 synchronized (this) { 4504 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4505 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4506 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4507 ap.strongAuthUnlockTimeout = timeoutMs; 4508 saveSettingsLocked(userHandle); 4509 } 4510 } 4511 } 4512 4513 /** 4514 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4515 * admins if who is null. 4516 * Returns 0 if not configured for the provided admin. 4517 */ 4518 @Override 4519 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4520 if (!mHasFeature) { 4521 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4522 } 4523 enforceFullCrossUsersPermission(userId); 4524 synchronized (this) { 4525 if (who != null) { 4526 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4527 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4528 } 4529 4530 // Return the strictest policy across all participating admins. 4531 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4532 4533 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4534 for (int i = 0; i < admins.size(); i++) { 4535 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4536 if (timeout != 0) { // take only participating admins into account 4537 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4538 } 4539 } 4540 return Math.max(strongAuthUnlockTimeout, getMinimumStrongAuthTimeoutMs()); 4541 } 4542 } 4543 4544 private long getMinimumStrongAuthTimeoutMs() { 4545 if (!mInjector.isBuildDebuggable()) { 4546 return MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4547 } 4548 // ideally the property was named persist.sys.min_strong_auth_timeout, but system property 4549 // name cannot be longer than 31 characters 4550 return Math.min(mInjector.systemPropertiesGetLong("persist.sys.min_str_auth_timeo", 4551 MINIMUM_STRONG_AUTH_TIMEOUT_MS), 4552 MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4553 } 4554 4555 @Override 4556 public void lockNow(int flags, boolean parent) { 4557 if (!mHasFeature) { 4558 return; 4559 } 4560 4561 final int callingUserId = mInjector.userHandleGetCallingUserId(); 4562 synchronized (this) { 4563 // This API can only be called by an active device admin, 4564 // so try to retrieve it to check that the caller is one. 4565 final ActiveAdmin admin = getActiveAdminForCallerLocked( 4566 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4567 4568 final long ident = mInjector.binderClearCallingIdentity(); 4569 try { 4570 // Evict key 4571 if ((flags & DevicePolicyManager.FLAG_EVICT_CE_KEY) != 0) { 4572 enforceManagedProfile(callingUserId, "set FLAG_EVICT_CE_KEY"); 4573 if (!isProfileOwner(admin.info.getComponent(), callingUserId)) { 4574 throw new SecurityException( 4575 "Only profile owner admins can set FLAG_EVICT_CE_KEY"); 4576 } 4577 if (parent) { 4578 throw new IllegalArgumentException( 4579 "Cannot set FLAG_EVICT_CE_KEY for the parent"); 4580 } 4581 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 4582 throw new UnsupportedOperationException( 4583 "FLAG_EVICT_CE_KEY only applies to FBE devices"); 4584 } 4585 mUserManager.evictCredentialEncryptionKey(callingUserId); 4586 } 4587 4588 // Lock all users unless this is a managed profile with a separate challenge 4589 final int userToLock = (parent || !isSeparateProfileChallengeEnabled(callingUserId) 4590 ? UserHandle.USER_ALL : callingUserId); 4591 mLockPatternUtils.requireStrongAuth( 4592 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4593 4594 // Require authentication for the device or profile 4595 if (userToLock == UserHandle.USER_ALL) { 4596 // Power off the display 4597 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4598 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4599 mInjector.getIWindowManager().lockNow(null); 4600 } else { 4601 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4602 } 4603 } catch (RemoteException e) { 4604 } finally { 4605 mInjector.binderRestoreCallingIdentity(ident); 4606 } 4607 } 4608 } 4609 4610 @Override 4611 public void enforceCanManageCaCerts(ComponentName who, String callerPackage) { 4612 if (who == null) { 4613 if (!isCallerDelegate(callerPackage, DELEGATION_CERT_INSTALL)) { 4614 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4615 } 4616 } else { 4617 enforceProfileOrDeviceOwner(who); 4618 } 4619 } 4620 4621 private void enforceProfileOrDeviceOwner(ComponentName who) { 4622 synchronized (this) { 4623 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4624 } 4625 } 4626 4627 @Override 4628 public boolean approveCaCert(String alias, int userId, boolean approval) { 4629 enforceManageUsers(); 4630 synchronized (this) { 4631 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4632 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4633 if (!changed) { 4634 return false; 4635 } 4636 saveSettingsLocked(userId); 4637 } 4638 new MonitoringCertNotificationTask().execute(userId); 4639 return true; 4640 } 4641 4642 @Override 4643 public boolean isCaCertApproved(String alias, int userId) { 4644 enforceManageUsers(); 4645 synchronized (this) { 4646 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4647 } 4648 } 4649 4650 private void removeCaApprovalsIfNeeded(int userId) { 4651 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4652 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4653 if (userInfo.isManagedProfile()){ 4654 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4655 } 4656 if (!isSecure) { 4657 synchronized (this) { 4658 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4659 saveSettingsLocked(userInfo.id); 4660 } 4661 4662 new MonitoringCertNotificationTask().execute(userInfo.id); 4663 } 4664 } 4665 } 4666 4667 @Override 4668 public boolean installCaCert(ComponentName admin, String callerPackage, byte[] certBuffer) 4669 throws RemoteException { 4670 enforceCanManageCaCerts(admin, callerPackage); 4671 4672 byte[] pemCert; 4673 try { 4674 X509Certificate cert = parseCert(certBuffer); 4675 pemCert = Credentials.convertToPem(cert); 4676 } catch (CertificateException ce) { 4677 Log.e(LOG_TAG, "Problem converting cert", ce); 4678 return false; 4679 } catch (IOException ioe) { 4680 Log.e(LOG_TAG, "Problem reading cert", ioe); 4681 return false; 4682 } 4683 4684 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4685 final long id = mInjector.binderClearCallingIdentity(); 4686 try { 4687 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4688 try { 4689 keyChainConnection.getService().installCaCertificate(pemCert); 4690 return true; 4691 } catch (RemoteException e) { 4692 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4693 } finally { 4694 keyChainConnection.close(); 4695 } 4696 } catch (InterruptedException e1) { 4697 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4698 Thread.currentThread().interrupt(); 4699 } finally { 4700 mInjector.binderRestoreCallingIdentity(id); 4701 } 4702 return false; 4703 } 4704 4705 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4706 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4707 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4708 certBuffer)); 4709 } 4710 4711 @Override 4712 public void uninstallCaCerts(ComponentName admin, String callerPackage, String[] aliases) { 4713 enforceCanManageCaCerts(admin, callerPackage); 4714 4715 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4716 final long id = mInjector.binderClearCallingIdentity(); 4717 try { 4718 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4719 try { 4720 for (int i = 0 ; i < aliases.length; i++) { 4721 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4722 } 4723 } catch (RemoteException e) { 4724 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4725 } finally { 4726 keyChainConnection.close(); 4727 } 4728 } catch (InterruptedException ie) { 4729 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4730 Thread.currentThread().interrupt(); 4731 } finally { 4732 mInjector.binderRestoreCallingIdentity(id); 4733 } 4734 } 4735 4736 @Override 4737 public boolean installKeyPair(ComponentName who, String callerPackage, byte[] privKey, 4738 byte[] cert, byte[] chain, String alias, boolean requestAccess) { 4739 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4740 DELEGATION_CERT_INSTALL); 4741 4742 4743 final int callingUid = mInjector.binderGetCallingUid(); 4744 final long id = mInjector.binderClearCallingIdentity(); 4745 try { 4746 final KeyChainConnection keyChainConnection = 4747 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4748 try { 4749 IKeyChainService keyChain = keyChainConnection.getService(); 4750 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4751 return false; 4752 } 4753 if (requestAccess) { 4754 keyChain.setGrant(callingUid, alias, true); 4755 } 4756 return true; 4757 } catch (RemoteException e) { 4758 Log.e(LOG_TAG, "Installing certificate", e); 4759 } finally { 4760 keyChainConnection.close(); 4761 } 4762 } catch (InterruptedException e) { 4763 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4764 Thread.currentThread().interrupt(); 4765 } finally { 4766 mInjector.binderRestoreCallingIdentity(id); 4767 } 4768 return false; 4769 } 4770 4771 @Override 4772 public boolean removeKeyPair(ComponentName who, String callerPackage, String alias) { 4773 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4774 DELEGATION_CERT_INSTALL); 4775 4776 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4777 final long id = Binder.clearCallingIdentity(); 4778 try { 4779 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4780 try { 4781 IKeyChainService keyChain = keyChainConnection.getService(); 4782 return keyChain.removeKeyPair(alias); 4783 } catch (RemoteException e) { 4784 Log.e(LOG_TAG, "Removing keypair", e); 4785 } finally { 4786 keyChainConnection.close(); 4787 } 4788 } catch (InterruptedException e) { 4789 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4790 Thread.currentThread().interrupt(); 4791 } finally { 4792 Binder.restoreCallingIdentity(id); 4793 } 4794 return false; 4795 } 4796 4797 @Override 4798 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4799 final IBinder response) { 4800 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4801 if (!isCallerWithSystemUid()) { 4802 return; 4803 } 4804 4805 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4806 // If there is a profile owner, redirect to that; otherwise query the device owner. 4807 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4808 if (aliasChooser == null && caller.isSystem()) { 4809 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4810 if (deviceOwnerAdmin != null) { 4811 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4812 } 4813 } 4814 if (aliasChooser == null) { 4815 sendPrivateKeyAliasResponse(null, response); 4816 return; 4817 } 4818 4819 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4820 intent.setComponent(aliasChooser); 4821 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4822 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4823 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4824 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4825 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4826 4827 final long id = mInjector.binderClearCallingIdentity(); 4828 try { 4829 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4830 @Override 4831 public void onReceive(Context context, Intent intent) { 4832 final String chosenAlias = getResultData(); 4833 sendPrivateKeyAliasResponse(chosenAlias, response); 4834 } 4835 }, null, Activity.RESULT_OK, null, null); 4836 } finally { 4837 mInjector.binderRestoreCallingIdentity(id); 4838 } 4839 } 4840 4841 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4842 final IKeyChainAliasCallback keyChainAliasResponse = 4843 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4844 new AsyncTask<Void, Void, Void>() { 4845 @Override 4846 protected Void doInBackground(Void... unused) { 4847 try { 4848 keyChainAliasResponse.alias(alias); 4849 } catch (Exception e) { 4850 // Catch everything (not just RemoteException): caller could throw a 4851 // RuntimeException back across processes. 4852 Log.e(LOG_TAG, "error while responding to callback", e); 4853 } 4854 return null; 4855 } 4856 }.execute(); 4857 } 4858 4859 /** 4860 * Set the scopes of a device owner or profile owner delegate. 4861 * 4862 * @param who the device owner or profile owner. 4863 * @param delegatePackage the name of the delegate package. 4864 * @param scopes the list of delegation scopes to be given to the delegate package. 4865 */ 4866 @Override 4867 public void setDelegatedScopes(ComponentName who, String delegatePackage, 4868 List<String> scopes) throws SecurityException { 4869 Preconditions.checkNotNull(who, "ComponentName is null"); 4870 Preconditions.checkStringNotEmpty(delegatePackage, "Delegate package is null or empty"); 4871 Preconditions.checkCollectionElementsNotNull(scopes, "Scopes"); 4872 // Remove possible duplicates. 4873 scopes = new ArrayList(new ArraySet(scopes)); 4874 // Ensure given scopes are valid. 4875 if (scopes.retainAll(Arrays.asList(DELEGATIONS))) { 4876 throw new IllegalArgumentException("Unexpected delegation scopes"); 4877 } 4878 4879 // Retrieve the user ID of the calling process. 4880 final int userId = mInjector.userHandleGetCallingUserId(); 4881 synchronized (this) { 4882 // Ensure calling process is device/profile owner. 4883 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4884 // Ensure the delegate is installed (skip this for DELEGATION_CERT_INSTALL in pre-N). 4885 if (scopes.size() == 1 && scopes.get(0).equals(DELEGATION_CERT_INSTALL) || 4886 getTargetSdk(who.getPackageName(), userId) >= Build.VERSION_CODES.N) { 4887 // Throw when the delegate package is not installed. 4888 if (!isPackageInstalledForUser(delegatePackage, userId)) { 4889 throw new IllegalArgumentException("Package " + delegatePackage 4890 + " is not installed on the current user"); 4891 } 4892 } 4893 4894 // Set the new delegate in user policies. 4895 final DevicePolicyData policy = getUserData(userId); 4896 if (!scopes.isEmpty()) { 4897 policy.mDelegationMap.put(delegatePackage, new ArrayList<>(scopes)); 4898 } else { 4899 // Remove any delegation info if the given scopes list is empty. 4900 policy.mDelegationMap.remove(delegatePackage); 4901 } 4902 4903 // Notify delegate package of updates. 4904 final Intent intent = new Intent( 4905 DevicePolicyManager.ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED); 4906 // Only call receivers registered with Context#registerReceiver (don’t wake delegate). 4907 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 4908 // Limit components this intent resolves to to the delegate package. 4909 intent.setPackage(delegatePackage); 4910 // Include the list of delegated scopes as an extra. 4911 intent.putStringArrayListExtra(DevicePolicyManager.EXTRA_DELEGATION_SCOPES, 4912 (ArrayList<String>) scopes); 4913 // Send the broadcast. 4914 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 4915 4916 // Persist updates. 4917 saveSettingsLocked(userId); 4918 } 4919 } 4920 4921 /** 4922 * Get the delegation scopes given to a delegate package by a device owner or profile owner. 4923 * 4924 * A DO/PO can get the scopes of any package. A non DO/PO package can get its own scopes by 4925 * passing in {@code null} as the {@code who} parameter and its own name as the 4926 * {@code delegatepackage}. 4927 * 4928 * @param who the device owner or profile owner, or {@code null} if the caller is 4929 * {@code delegatePackage}. 4930 * @param delegatePackage the name of the delegate package whose scopes are to be retrieved. 4931 * @return a list of the delegation scopes currently given to {@code delegatePackage}. 4932 */ 4933 @Override 4934 @NonNull 4935 public List<String> getDelegatedScopes(ComponentName who, 4936 String delegatePackage) throws SecurityException { 4937 Preconditions.checkNotNull(delegatePackage, "Delegate package is null"); 4938 4939 // Retrieve the user ID of the calling process. 4940 final int callingUid = mInjector.binderGetCallingUid(); 4941 final int userId = UserHandle.getUserId(callingUid); 4942 synchronized (this) { 4943 // Ensure calling process is device/profile owner. 4944 if (who != null) { 4945 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4946 // Or ensure calling process is delegatePackage itself. 4947 } else { 4948 int uid = 0; 4949 try { 4950 uid = mInjector.getPackageManager() 4951 .getPackageUidAsUser(delegatePackage, userId); 4952 } catch(NameNotFoundException e) { 4953 } 4954 if (uid != callingUid) { 4955 throw new SecurityException("Caller with uid " + callingUid + " is not " 4956 + delegatePackage); 4957 } 4958 } 4959 final DevicePolicyData policy = getUserData(userId); 4960 // Retrieve the scopes assigned to delegatePackage, or null if no scope was given. 4961 final List<String> scopes = policy.mDelegationMap.get(delegatePackage); 4962 return scopes == null ? Collections.EMPTY_LIST : scopes; 4963 } 4964 } 4965 4966 /** 4967 * Get a list of packages that were given a specific delegation scopes by a device owner or 4968 * profile owner. 4969 * 4970 * @param who the device owner or profile owner. 4971 * @param scope the scope whose delegates are to be retrieved. 4972 * @return a list of the delegate packages currently given the {@code scope} delegation. 4973 */ 4974 @NonNull 4975 public List<String> getDelegatePackages(ComponentName who, String scope) 4976 throws SecurityException { 4977 Preconditions.checkNotNull(who, "ComponentName is null"); 4978 Preconditions.checkNotNull(scope, "Scope is null"); 4979 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 4980 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 4981 } 4982 4983 // Retrieve the user ID of the calling process. 4984 final int userId = mInjector.userHandleGetCallingUserId(); 4985 synchronized (this) { 4986 // Ensure calling process is device/profile owner. 4987 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4988 final DevicePolicyData policy = getUserData(userId); 4989 4990 // Create a list to hold the resulting delegate packages. 4991 final List<String> delegatePackagesWithScope = new ArrayList<>(); 4992 // Add all delegations containing scope to the result list. 4993 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 4994 if (policy.mDelegationMap.valueAt(i).contains(scope)) { 4995 delegatePackagesWithScope.add(policy.mDelegationMap.keyAt(i)); 4996 } 4997 } 4998 return delegatePackagesWithScope; 4999 } 5000 } 5001 5002 /** 5003 * Check whether a caller application has been delegated a given scope via 5004 * {@link #setDelegatedScopes} to access privileged APIs on the behalf of a profile owner or 5005 * device owner. 5006 * <p> 5007 * This is done by checking that {@code callerPackage} was granted {@code scope} delegation and 5008 * then comparing the calling UID with the UID of {@code callerPackage} as reported by 5009 * {@link PackageManager#getPackageUidAsUser}. 5010 * 5011 * @param callerPackage the name of the package that is trying to invoke a function in the DPMS. 5012 * @param scope the delegation scope to be checked. 5013 * @return {@code true} if the calling process is a delegate of {@code scope}. 5014 */ 5015 private boolean isCallerDelegate(String callerPackage, String scope) { 5016 Preconditions.checkNotNull(callerPackage, "callerPackage is null"); 5017 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 5018 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 5019 } 5020 5021 // Retrieve the UID and user ID of the calling process. 5022 final int callingUid = mInjector.binderGetCallingUid(); 5023 final int userId = UserHandle.getUserId(callingUid); 5024 synchronized (this) { 5025 // Retrieve user policy data. 5026 final DevicePolicyData policy = getUserData(userId); 5027 // Retrieve the list of delegation scopes granted to callerPackage. 5028 final List<String> scopes = policy.mDelegationMap.get(callerPackage); 5029 // Check callingUid only if callerPackage has the required scope delegation. 5030 if (scopes != null && scopes.contains(scope)) { 5031 try { 5032 // Retrieve the expected UID for callerPackage. 5033 final int uid = mInjector.getPackageManager() 5034 .getPackageUidAsUser(callerPackage, userId); 5035 // Return true if the caller is actually callerPackage. 5036 return uid == callingUid; 5037 } catch (NameNotFoundException e) { 5038 // Ignore. 5039 } 5040 } 5041 return false; 5042 } 5043 } 5044 5045 /** 5046 * Throw a security exception if a ComponentName is given and it is not a device/profile owner 5047 * or if the calling process is not a delegate of the given scope. 5048 * 5049 * @param who the device owner of profile owner, or null if {@code callerPackage} is a 5050 * {@code scope} delegate. 5051 * @param callerPackage the name of the calling package. Required if {@code who} is 5052 * {@code null}. 5053 * @param reqPolicy the policy used in the API whose access permission is being checked. 5054 * @param scoppe the delegation scope corresponding to the API being checked. 5055 * @throws SecurityException if {@code who} is given and is not an owner for {@code reqPolicy}; 5056 * or when {@code who} is {@code null} and {@code callerPackage} is not a delegate 5057 * of {@code scope}. 5058 */ 5059 private void enforceCanManageScope(ComponentName who, String callerPackage, int reqPolicy, 5060 String scope) { 5061 // If a ComponentName is given ensure it is a device or profile owner according to policy. 5062 if (who != null) { 5063 synchronized (this) { 5064 getActiveAdminForCallerLocked(who, reqPolicy); 5065 } 5066 // If no ComponentName is given ensure calling process has scope delegation. 5067 } else if (!isCallerDelegate(callerPackage, scope)) { 5068 throw new SecurityException("Caller with uid " + mInjector.binderGetCallingUid() 5069 + " is not a delegate of scope " + scope + "."); 5070 } 5071 } 5072 5073 /** 5074 * Helper function to preserve delegation behavior pre-O when using the deprecated functions 5075 * {@code #setCertInstallerPackage} and {@code #setApplicationRestrictionsManagingPackage}. 5076 */ 5077 private void setDelegatedScopePreO(ComponentName who, 5078 String delegatePackage, String scope) { 5079 Preconditions.checkNotNull(who, "ComponentName is null"); 5080 5081 final int userId = mInjector.userHandleGetCallingUserId(); 5082 synchronized(this) { 5083 // Ensure calling process is device/profile owner. 5084 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5085 final DevicePolicyData policy = getUserData(userId); 5086 5087 if (delegatePackage != null) { 5088 // Set package as a delegate for scope if it is not already one. 5089 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 5090 if (scopes == null) { 5091 scopes = new ArrayList<>(); 5092 } 5093 if (!scopes.contains(scope)) { 5094 scopes.add(scope); 5095 setDelegatedScopes(who, delegatePackage, scopes); 5096 } 5097 } 5098 5099 // Clear any existing scope delegates. 5100 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5101 final String currentPackage = policy.mDelegationMap.keyAt(i); 5102 final List<String> currentScopes = policy.mDelegationMap.valueAt(i); 5103 5104 if (!currentPackage.equals(delegatePackage) && currentScopes.remove(scope)) { 5105 setDelegatedScopes(who, currentPackage, currentScopes); 5106 } 5107 } 5108 } 5109 } 5110 5111 @Override 5112 public void setCertInstallerPackage(ComponentName who, String installerPackage) 5113 throws SecurityException { 5114 setDelegatedScopePreO(who, installerPackage, DELEGATION_CERT_INSTALL); 5115 } 5116 5117 @Override 5118 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 5119 final List<String> delegatePackages = getDelegatePackages(who, DELEGATION_CERT_INSTALL); 5120 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 5121 } 5122 5123 /** 5124 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 5125 * not installed and therefore not available. 5126 * 5127 * @throws SecurityException if the caller is not a profile or device owner. 5128 * @throws UnsupportedOperationException if the package does not support being set as always-on. 5129 */ 5130 @Override 5131 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 5132 throws SecurityException { 5133 enforceProfileOrDeviceOwner(admin); 5134 5135 final int userId = mInjector.userHandleGetCallingUserId(); 5136 final long token = mInjector.binderClearCallingIdentity(); 5137 try { 5138 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 5139 return false; 5140 } 5141 ConnectivityManager connectivityManager = (ConnectivityManager) 5142 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5143 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 5144 throw new UnsupportedOperationException(); 5145 } 5146 } finally { 5147 mInjector.binderRestoreCallingIdentity(token); 5148 } 5149 return true; 5150 } 5151 5152 @Override 5153 public String getAlwaysOnVpnPackage(ComponentName admin) 5154 throws SecurityException { 5155 enforceProfileOrDeviceOwner(admin); 5156 5157 final int userId = mInjector.userHandleGetCallingUserId(); 5158 final long token = mInjector.binderClearCallingIdentity(); 5159 try{ 5160 ConnectivityManager connectivityManager = (ConnectivityManager) 5161 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5162 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 5163 } finally { 5164 mInjector.binderRestoreCallingIdentity(token); 5165 } 5166 } 5167 5168 private void forceWipeDeviceNoLock(boolean wipeExtRequested, String reason) { 5169 wtfIfInLock(); 5170 5171 if (wipeExtRequested) { 5172 StorageManager sm = (StorageManager) mContext.getSystemService( 5173 Context.STORAGE_SERVICE); 5174 sm.wipeAdoptableDisks(); 5175 } 5176 try { 5177 mInjector.recoverySystemRebootWipeUserData( 5178 /*shutdown=*/ false, reason, /*force=*/ true); 5179 } catch (IOException | SecurityException e) { 5180 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 5181 } 5182 } 5183 5184 private void forceWipeUser(int userId) { 5185 try { 5186 IActivityManager am = mInjector.getIActivityManager(); 5187 if (am.getCurrentUser().id == userId) { 5188 am.switchUser(UserHandle.USER_SYSTEM); 5189 } 5190 5191 boolean userRemoved = mUserManagerInternal.removeUserEvenWhenDisallowed(userId); 5192 if (!userRemoved) { 5193 Slog.w(LOG_TAG, "Couldn't remove user " + userId); 5194 } else if (isManagedProfile(userId)) { 5195 sendWipeProfileNotification(); 5196 } 5197 } catch (RemoteException re) { 5198 // Shouldn't happen 5199 } 5200 } 5201 5202 @Override 5203 public void wipeData(int flags) { 5204 if (!mHasFeature) { 5205 return; 5206 } 5207 enforceFullCrossUsersPermission(mInjector.userHandleGetCallingUserId()); 5208 5209 final ActiveAdmin admin; 5210 synchronized (this) { 5211 admin = getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_WIPE_DATA); 5212 } 5213 String reason = "DevicePolicyManager.wipeData() from " 5214 + admin.info.getComponent().flattenToShortString(); 5215 wipeDataNoLock( 5216 admin.info.getComponent(), flags, reason, admin.getUserHandle().getIdentifier()); 5217 } 5218 5219 private void wipeDataNoLock(ComponentName admin, int flags, String reason, int userId) { 5220 wtfIfInLock(); 5221 5222 long ident = mInjector.binderClearCallingIdentity(); 5223 try { 5224 // First check whether the admin is allowed to wipe the device/user/profile. 5225 final String restriction; 5226 if (userId == UserHandle.USER_SYSTEM) { 5227 restriction = UserManager.DISALLOW_FACTORY_RESET; 5228 } else if (isManagedProfile(userId)) { 5229 restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; 5230 } else { 5231 restriction = UserManager.DISALLOW_REMOVE_USER; 5232 } 5233 if (isAdminAffectedByRestriction(admin, restriction, userId)) { 5234 throw new SecurityException("Cannot wipe data. " + restriction 5235 + " restriction is set for user " + userId); 5236 } 5237 5238 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 5239 if (!isDeviceOwner(admin, userId)) { 5240 throw new SecurityException( 5241 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 5242 } 5243 PersistentDataBlockManager manager = (PersistentDataBlockManager) 5244 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 5245 if (manager != null) { 5246 manager.wipe(); 5247 } 5248 } 5249 5250 // TODO If split user is enabled and the device owner is set in the primary user 5251 // (rather than system), we should probably trigger factory reset. Current code just 5252 // removes that user (but still clears FRP...) 5253 if (userId == UserHandle.USER_SYSTEM) { 5254 forceWipeDeviceNoLock(/*wipeExtRequested=*/ (flags & WIPE_EXTERNAL_STORAGE) != 0, 5255 reason); 5256 } else { 5257 forceWipeUser(userId); 5258 } 5259 } finally { 5260 mInjector.binderRestoreCallingIdentity(ident); 5261 } 5262 } 5263 5264 private void sendWipeProfileNotification() { 5265 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 5266 Notification notification = new Notification.Builder(mContext) 5267 .setSmallIcon(android.R.drawable.stat_sys_warning) 5268 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 5269 .setContentText(contentText) 5270 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 5271 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 5272 .build(); 5273 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 5274 } 5275 5276 private void clearWipeProfileNotification() { 5277 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 5278 } 5279 5280 @Override 5281 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 5282 if (!mHasFeature) { 5283 return; 5284 } 5285 enforceFullCrossUsersPermission(userHandle); 5286 mContext.enforceCallingOrSelfPermission( 5287 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5288 5289 synchronized (this) { 5290 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 5291 if (admin == null) { 5292 result.sendResult(null); 5293 return; 5294 } 5295 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 5296 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 5297 intent.setComponent(admin.info.getComponent()); 5298 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 5299 null, new BroadcastReceiver() { 5300 @Override 5301 public void onReceive(Context context, Intent intent) { 5302 result.sendResult(getResultExtras(false)); 5303 } 5304 }, null, Activity.RESULT_OK, null, null); 5305 } 5306 } 5307 5308 @Override 5309 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 5310 if (!mHasFeature) { 5311 return; 5312 } 5313 enforceFullCrossUsersPermission(userHandle); 5314 mContext.enforceCallingOrSelfPermission( 5315 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5316 5317 // If the managed profile doesn't have a separate password, set the metrics to default 5318 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 5319 metrics = new PasswordMetrics(); 5320 } 5321 5322 validateQualityConstant(metrics.quality); 5323 DevicePolicyData policy = getUserData(userHandle); 5324 synchronized (this) { 5325 policy.mActivePasswordMetrics = metrics; 5326 } 5327 } 5328 5329 @Override 5330 public void reportPasswordChanged(@UserIdInt int userId) { 5331 if (!mHasFeature) { 5332 return; 5333 } 5334 enforceFullCrossUsersPermission(userId); 5335 5336 // Managed Profile password can only be changed when it has a separate challenge. 5337 if (!isSeparateProfileChallengeEnabled(userId)) { 5338 enforceNotManagedProfile(userId, "set the active password"); 5339 } 5340 5341 mContext.enforceCallingOrSelfPermission( 5342 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5343 5344 DevicePolicyData policy = getUserData(userId); 5345 5346 long ident = mInjector.binderClearCallingIdentity(); 5347 try { 5348 synchronized (this) { 5349 policy.mFailedPasswordAttempts = 0; 5350 saveSettingsLocked(userId); 5351 updatePasswordExpirationsLocked(userId); 5352 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 5353 5354 // Send a broadcast to each profile using this password as its primary unlock. 5355 sendAdminCommandForLockscreenPoliciesLocked( 5356 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 5357 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 5358 } 5359 removeCaApprovalsIfNeeded(userId); 5360 } finally { 5361 mInjector.binderRestoreCallingIdentity(ident); 5362 } 5363 } 5364 5365 /** 5366 * Called any time the device password is updated. Resets all password expiration clocks. 5367 */ 5368 private void updatePasswordExpirationsLocked(int userHandle) { 5369 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 5370 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 5371 userHandle, /* parent */ false); 5372 final int N = admins.size(); 5373 for (int i = 0; i < N; i++) { 5374 ActiveAdmin admin = admins.get(i); 5375 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 5376 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 5377 long timeout = admin.passwordExpirationTimeout; 5378 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 5379 admin.passwordExpirationDate = expiration; 5380 } 5381 } 5382 for (int affectedUserId : affectedUserIds) { 5383 saveSettingsLocked(affectedUserId); 5384 } 5385 } 5386 5387 @Override 5388 public void reportFailedPasswordAttempt(int userHandle) { 5389 enforceFullCrossUsersPermission(userHandle); 5390 if (!isSeparateProfileChallengeEnabled(userHandle)) { 5391 enforceNotManagedProfile(userHandle, 5392 "report failed password attempt if separate profile challenge is not in place"); 5393 } 5394 mContext.enforceCallingOrSelfPermission( 5395 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5396 5397 boolean wipeData = false; 5398 ActiveAdmin strictestAdmin = null; 5399 final long ident = mInjector.binderClearCallingIdentity(); 5400 try { 5401 synchronized (this) { 5402 DevicePolicyData policy = getUserData(userHandle); 5403 policy.mFailedPasswordAttempts++; 5404 saveSettingsLocked(userHandle); 5405 if (mHasFeature) { 5406 strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 5407 userHandle, /* parent */ false); 5408 int max = strictestAdmin != null 5409 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5410 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5411 wipeData = true; 5412 } 5413 5414 sendAdminCommandForLockscreenPoliciesLocked( 5415 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5416 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5417 } 5418 } 5419 } finally { 5420 mInjector.binderRestoreCallingIdentity(ident); 5421 } 5422 5423 if (wipeData && strictestAdmin != null) { 5424 final int userId = strictestAdmin.getUserHandle().getIdentifier(); 5425 Slog.i(LOG_TAG, "Max failed password attempts policy reached for admin: " 5426 + strictestAdmin.info.getComponent().flattenToShortString() 5427 + ". Calling wipeData for user " + userId); 5428 5429 // Attempt to wipe the device/user/profile associated with the admin, as if the 5430 // admin had called wipeData(). That way we can check whether the admin is actually 5431 // allowed to wipe the device (e.g. a regular device admin shouldn't be able to wipe the 5432 // device if the device owner has set DISALLOW_FACTORY_RESET, but the DO should be 5433 // able to do so). 5434 // IMPORTANT: Call without holding the lock to prevent deadlock. 5435 try { 5436 wipeDataNoLock(strictestAdmin.info.getComponent(), 5437 /*flags=*/ 0, 5438 /*reason=*/ "reportFailedPasswordAttempt()", 5439 userId); 5440 } catch (SecurityException e) { 5441 Slog.w(LOG_TAG, "Failed to wipe user " + userId 5442 + " after max failed password attempts reached.", e); 5443 } 5444 } 5445 5446 if (mInjector.securityLogIsLoggingEnabled()) { 5447 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5448 /*method strength*/ 1); 5449 } 5450 } 5451 5452 @Override 5453 public void reportSuccessfulPasswordAttempt(int userHandle) { 5454 enforceFullCrossUsersPermission(userHandle); 5455 mContext.enforceCallingOrSelfPermission( 5456 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5457 5458 synchronized (this) { 5459 DevicePolicyData policy = getUserData(userHandle); 5460 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5461 long ident = mInjector.binderClearCallingIdentity(); 5462 try { 5463 policy.mFailedPasswordAttempts = 0; 5464 policy.mPasswordOwner = -1; 5465 saveSettingsLocked(userHandle); 5466 if (mHasFeature) { 5467 sendAdminCommandForLockscreenPoliciesLocked( 5468 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5469 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5470 } 5471 } finally { 5472 mInjector.binderRestoreCallingIdentity(ident); 5473 } 5474 } 5475 } 5476 5477 if (mInjector.securityLogIsLoggingEnabled()) { 5478 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5479 /*method strength*/ 1); 5480 } 5481 } 5482 5483 @Override 5484 public void reportFailedFingerprintAttempt(int userHandle) { 5485 enforceFullCrossUsersPermission(userHandle); 5486 mContext.enforceCallingOrSelfPermission( 5487 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5488 if (mInjector.securityLogIsLoggingEnabled()) { 5489 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5490 /*method strength*/ 0); 5491 } 5492 } 5493 5494 @Override 5495 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5496 enforceFullCrossUsersPermission(userHandle); 5497 mContext.enforceCallingOrSelfPermission( 5498 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5499 if (mInjector.securityLogIsLoggingEnabled()) { 5500 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5501 /*method strength*/ 0); 5502 } 5503 } 5504 5505 @Override 5506 public void reportKeyguardDismissed(int userHandle) { 5507 enforceFullCrossUsersPermission(userHandle); 5508 mContext.enforceCallingOrSelfPermission( 5509 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5510 5511 if (mInjector.securityLogIsLoggingEnabled()) { 5512 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5513 } 5514 } 5515 5516 @Override 5517 public void reportKeyguardSecured(int userHandle) { 5518 enforceFullCrossUsersPermission(userHandle); 5519 mContext.enforceCallingOrSelfPermission( 5520 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5521 5522 if (mInjector.securityLogIsLoggingEnabled()) { 5523 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5524 } 5525 } 5526 5527 @Override 5528 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5529 String exclusionList) { 5530 if (!mHasFeature) { 5531 return null; 5532 } 5533 synchronized(this) { 5534 Preconditions.checkNotNull(who, "ComponentName is null"); 5535 5536 // Only check if system user has set global proxy. We don't allow other users to set it. 5537 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5538 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5539 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5540 5541 // Scan through active admins and find if anyone has already 5542 // set the global proxy. 5543 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5544 for (ComponentName component : compSet) { 5545 ActiveAdmin ap = policy.mAdminMap.get(component); 5546 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5547 // Another admin already sets the global proxy 5548 // Return it to the caller. 5549 return component; 5550 } 5551 } 5552 5553 // If the user is not system, don't set the global proxy. Fail silently. 5554 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5555 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5556 + UserHandle.getCallingUserId() + " is not permitted."); 5557 return null; 5558 } 5559 if (proxySpec == null) { 5560 admin.specifiesGlobalProxy = false; 5561 admin.globalProxySpec = null; 5562 admin.globalProxyExclusionList = null; 5563 } else { 5564 5565 admin.specifiesGlobalProxy = true; 5566 admin.globalProxySpec = proxySpec; 5567 admin.globalProxyExclusionList = exclusionList; 5568 } 5569 5570 // Reset the global proxy accordingly 5571 // Do this using system permissions, as apps cannot write to secure settings 5572 long origId = mInjector.binderClearCallingIdentity(); 5573 try { 5574 resetGlobalProxyLocked(policy); 5575 } finally { 5576 mInjector.binderRestoreCallingIdentity(origId); 5577 } 5578 return null; 5579 } 5580 } 5581 5582 @Override 5583 public ComponentName getGlobalProxyAdmin(int userHandle) { 5584 if (!mHasFeature) { 5585 return null; 5586 } 5587 enforceFullCrossUsersPermission(userHandle); 5588 synchronized(this) { 5589 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5590 // Scan through active admins and find if anyone has already 5591 // set the global proxy. 5592 final int N = policy.mAdminList.size(); 5593 for (int i = 0; i < N; i++) { 5594 ActiveAdmin ap = policy.mAdminList.get(i); 5595 if (ap.specifiesGlobalProxy) { 5596 // Device admin sets the global proxy 5597 // Return it to the caller. 5598 return ap.info.getComponent(); 5599 } 5600 } 5601 } 5602 // No device admin sets the global proxy. 5603 return null; 5604 } 5605 5606 @Override 5607 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5608 synchronized (this) { 5609 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5610 } 5611 long token = mInjector.binderClearCallingIdentity(); 5612 try { 5613 ConnectivityManager connectivityManager = (ConnectivityManager) 5614 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5615 connectivityManager.setGlobalProxy(proxyInfo); 5616 } finally { 5617 mInjector.binderRestoreCallingIdentity(token); 5618 } 5619 } 5620 5621 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5622 final int N = policy.mAdminList.size(); 5623 for (int i = 0; i < N; i++) { 5624 ActiveAdmin ap = policy.mAdminList.get(i); 5625 if (ap.specifiesGlobalProxy) { 5626 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5627 return; 5628 } 5629 } 5630 // No device admins defining global proxies - reset global proxy settings to none 5631 saveGlobalProxyLocked(null, null); 5632 } 5633 5634 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5635 if (exclusionList == null) { 5636 exclusionList = ""; 5637 } 5638 if (proxySpec == null) { 5639 proxySpec = ""; 5640 } 5641 // Remove white spaces 5642 proxySpec = proxySpec.trim(); 5643 String data[] = proxySpec.split(":"); 5644 int proxyPort = 8080; 5645 if (data.length > 1) { 5646 try { 5647 proxyPort = Integer.parseInt(data[1]); 5648 } catch (NumberFormatException e) {} 5649 } 5650 exclusionList = exclusionList.trim(); 5651 5652 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5653 if (!proxyProperties.isValid()) { 5654 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5655 return; 5656 } 5657 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5658 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5659 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5660 exclusionList); 5661 } 5662 5663 /** 5664 * Set the storage encryption request for a single admin. Returns the new total request 5665 * status (for all admins). 5666 */ 5667 @Override 5668 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5669 if (!mHasFeature) { 5670 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5671 } 5672 Preconditions.checkNotNull(who, "ComponentName is null"); 5673 final int userHandle = UserHandle.getCallingUserId(); 5674 synchronized (this) { 5675 // Check for permissions 5676 // Only system user can set storage encryption 5677 if (userHandle != UserHandle.USER_SYSTEM) { 5678 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5679 + UserHandle.getCallingUserId() + " is not permitted."); 5680 return 0; 5681 } 5682 5683 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5684 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5685 5686 // Quick exit: If the filesystem does not support encryption, we can exit early. 5687 if (!isEncryptionSupported()) { 5688 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5689 } 5690 5691 // (1) Record the value for the admin so it's sticky 5692 if (ap.encryptionRequested != encrypt) { 5693 ap.encryptionRequested = encrypt; 5694 saveSettingsLocked(userHandle); 5695 } 5696 5697 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5698 // (2) Compute "max" for all admins 5699 boolean newRequested = false; 5700 final int N = policy.mAdminList.size(); 5701 for (int i = 0; i < N; i++) { 5702 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5703 } 5704 5705 // Notify OS of new request 5706 setEncryptionRequested(newRequested); 5707 5708 // Return the new global request status 5709 return newRequested 5710 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5711 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5712 } 5713 } 5714 5715 /** 5716 * Get the current storage encryption request status for a given admin, or aggregate of all 5717 * active admins. 5718 */ 5719 @Override 5720 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5721 if (!mHasFeature) { 5722 return false; 5723 } 5724 enforceFullCrossUsersPermission(userHandle); 5725 synchronized (this) { 5726 // Check for permissions if a particular caller is specified 5727 if (who != null) { 5728 // When checking for a single caller, status is based on caller's request 5729 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5730 return ap != null ? ap.encryptionRequested : false; 5731 } 5732 5733 // If no particular caller is specified, return the aggregate set of requests. 5734 // This is short circuited by returning true on the first hit. 5735 DevicePolicyData policy = getUserData(userHandle); 5736 final int N = policy.mAdminList.size(); 5737 for (int i = 0; i < N; i++) { 5738 if (policy.mAdminList.get(i).encryptionRequested) { 5739 return true; 5740 } 5741 } 5742 return false; 5743 } 5744 } 5745 5746 /** 5747 * Get the current encryption status of the device. 5748 */ 5749 @Override 5750 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5751 if (!mHasFeature) { 5752 // Ok to return current status. 5753 } 5754 enforceFullCrossUsersPermission(userHandle); 5755 5756 // It's not critical here, but let's make sure the package name is correct, in case 5757 // we start using it for different purposes. 5758 ensureCallerPackage(callerPackage); 5759 5760 final ApplicationInfo ai; 5761 try { 5762 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5763 } catch (RemoteException e) { 5764 throw new SecurityException(e); 5765 } 5766 5767 boolean legacyApp = false; 5768 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5769 legacyApp = true; 5770 } 5771 5772 final int rawStatus = getEncryptionStatus(); 5773 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5774 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5775 } 5776 return rawStatus; 5777 } 5778 5779 /** 5780 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5781 */ 5782 private boolean isEncryptionSupported() { 5783 // Note, this can be implemented as 5784 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5785 // But is provided as a separate internal method if there's a faster way to do a 5786 // simple check for supported-or-not. 5787 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5788 } 5789 5790 /** 5791 * Hook to low-levels: Reporting the current status of encryption. 5792 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5793 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5794 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5795 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5796 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5797 */ 5798 private int getEncryptionStatus() { 5799 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5800 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5801 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5802 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5803 } else if (mInjector.storageManagerIsEncrypted()) { 5804 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5805 } else if (mInjector.storageManagerIsEncryptable()) { 5806 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5807 } else { 5808 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5809 } 5810 } 5811 5812 /** 5813 * Hook to low-levels: If needed, record the new admin setting for encryption. 5814 */ 5815 private void setEncryptionRequested(boolean encrypt) { 5816 } 5817 5818 /** 5819 * Set whether the screen capture is disabled for the user managed by the specified admin. 5820 */ 5821 @Override 5822 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5823 if (!mHasFeature) { 5824 return; 5825 } 5826 Preconditions.checkNotNull(who, "ComponentName is null"); 5827 final int userHandle = UserHandle.getCallingUserId(); 5828 synchronized (this) { 5829 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5830 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5831 if (ap.disableScreenCapture != disabled) { 5832 ap.disableScreenCapture = disabled; 5833 saveSettingsLocked(userHandle); 5834 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5835 } 5836 } 5837 } 5838 5839 /** 5840 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5841 * active admin (if given admin is null). 5842 */ 5843 @Override 5844 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5845 if (!mHasFeature) { 5846 return false; 5847 } 5848 synchronized (this) { 5849 if (who != null) { 5850 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5851 return (admin != null) ? admin.disableScreenCapture : false; 5852 } 5853 5854 DevicePolicyData policy = getUserData(userHandle); 5855 final int N = policy.mAdminList.size(); 5856 for (int i = 0; i < N; i++) { 5857 ActiveAdmin admin = policy.mAdminList.get(i); 5858 if (admin.disableScreenCapture) { 5859 return true; 5860 } 5861 } 5862 return false; 5863 } 5864 } 5865 5866 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5867 final boolean disabled) { 5868 mHandler.post(new Runnable() { 5869 @Override 5870 public void run() { 5871 try { 5872 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5873 } catch (RemoteException e) { 5874 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5875 } 5876 } 5877 }); 5878 } 5879 5880 /** 5881 * Set whether auto time is required by the specified admin (must be device or profile owner). 5882 */ 5883 @Override 5884 public void setAutoTimeRequired(ComponentName who, boolean required) { 5885 if (!mHasFeature) { 5886 return; 5887 } 5888 Preconditions.checkNotNull(who, "ComponentName is null"); 5889 final int userHandle = UserHandle.getCallingUserId(); 5890 synchronized (this) { 5891 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5892 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5893 if (admin.requireAutoTime != required) { 5894 admin.requireAutoTime = required; 5895 saveSettingsLocked(userHandle); 5896 } 5897 } 5898 5899 // Turn AUTO_TIME on in settings if it is required 5900 if (required) { 5901 long ident = mInjector.binderClearCallingIdentity(); 5902 try { 5903 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5904 } finally { 5905 mInjector.binderRestoreCallingIdentity(ident); 5906 } 5907 } 5908 } 5909 5910 /** 5911 * Returns whether or not auto time is required by the device owner or any profile owner. 5912 */ 5913 @Override 5914 public boolean getAutoTimeRequired() { 5915 if (!mHasFeature) { 5916 return false; 5917 } 5918 synchronized (this) { 5919 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5920 if (deviceOwner != null && deviceOwner.requireAutoTime) { 5921 // If the device owner enforces auto time, we don't need to check the PO's 5922 return true; 5923 } 5924 5925 // Now check to see if any profile owner on any user enforces auto time 5926 for (Integer userId : mOwners.getProfileOwnerKeys()) { 5927 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 5928 if (profileOwner != null && profileOwner.requireAutoTime) { 5929 return true; 5930 } 5931 } 5932 5933 return false; 5934 } 5935 } 5936 5937 @Override 5938 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5939 if (!mHasFeature) { 5940 return; 5941 } 5942 Preconditions.checkNotNull(who, "ComponentName is null"); 5943 // Allow setting this policy to true only if there is a split system user. 5944 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5945 throw new UnsupportedOperationException( 5946 "Cannot force ephemeral users on systems without split system user."); 5947 } 5948 boolean removeAllUsers = false; 5949 synchronized (this) { 5950 final ActiveAdmin deviceOwner = 5951 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5952 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5953 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5954 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5955 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5956 removeAllUsers = forceEphemeralUsers; 5957 } 5958 } 5959 if (removeAllUsers) { 5960 long identitity = mInjector.binderClearCallingIdentity(); 5961 try { 5962 mUserManagerInternal.removeAllUsers(); 5963 } finally { 5964 mInjector.binderRestoreCallingIdentity(identitity); 5965 } 5966 } 5967 } 5968 5969 @Override 5970 public boolean getForceEphemeralUsers(ComponentName who) { 5971 if (!mHasFeature) { 5972 return false; 5973 } 5974 Preconditions.checkNotNull(who, "ComponentName is null"); 5975 synchronized (this) { 5976 final ActiveAdmin deviceOwner = 5977 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5978 return deviceOwner.forceEphemeralUsers; 5979 } 5980 } 5981 5982 private void ensureDeviceOwnerAndAllUsersAffiliated(ComponentName who) throws SecurityException { 5983 synchronized (this) { 5984 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5985 if (!areAllUsersAffiliatedWithDeviceLocked()) { 5986 throw new SecurityException("Not all users are affiliated."); 5987 } 5988 } 5989 } 5990 5991 @Override 5992 public boolean requestBugreport(ComponentName who) { 5993 if (!mHasFeature) { 5994 return false; 5995 } 5996 Preconditions.checkNotNull(who, "ComponentName is null"); 5997 5998 // TODO: If an unaffiliated user is removed, the admin will be able to request a bugreport 5999 // which could still contain data related to that user. Should we disallow that, e.g. until 6000 // next boot? Might not be needed given that this still requires user consent. 6001 ensureDeviceOwnerAndAllUsersAffiliated(who); 6002 6003 if (mRemoteBugreportServiceIsActive.get() 6004 || (getDeviceOwnerRemoteBugreportUri() != null)) { 6005 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 6006 return false; 6007 } 6008 6009 final long currentTime = System.currentTimeMillis(); 6010 synchronized (this) { 6011 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6012 if (currentTime > policyData.mLastBugReportRequestTime) { 6013 policyData.mLastBugReportRequestTime = currentTime; 6014 saveSettingsLocked(UserHandle.USER_SYSTEM); 6015 } 6016 } 6017 6018 final long callingIdentity = mInjector.binderClearCallingIdentity(); 6019 try { 6020 mInjector.getIActivityManager().requestBugReport( 6021 ActivityManager.BUGREPORT_OPTION_REMOTE); 6022 6023 mRemoteBugreportServiceIsActive.set(true); 6024 mRemoteBugreportSharingAccepted.set(false); 6025 registerRemoteBugreportReceivers(); 6026 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 6027 RemoteBugreportUtils.NOTIFICATION_ID, 6028 RemoteBugreportUtils.buildNotification(mContext, 6029 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 6030 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 6031 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 6032 return true; 6033 } catch (RemoteException re) { 6034 // should never happen 6035 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 6036 return false; 6037 } finally { 6038 mInjector.binderRestoreCallingIdentity(callingIdentity); 6039 } 6040 } 6041 6042 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 6043 Intent intent = new Intent(action); 6044 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6045 if (extras != null) { 6046 intent.putExtras(extras); 6047 } 6048 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6049 } 6050 6051 private synchronized String getDeviceOwnerRemoteBugreportUri() { 6052 return mOwners.getDeviceOwnerRemoteBugreportUri(); 6053 } 6054 6055 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 6056 String bugreportHash) { 6057 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 6058 } 6059 6060 private void registerRemoteBugreportReceivers() { 6061 try { 6062 IntentFilter filterFinished = new IntentFilter( 6063 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 6064 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6065 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 6066 } catch (IntentFilter.MalformedMimeTypeException e) { 6067 // should never happen, as setting a constant 6068 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 6069 } 6070 IntentFilter filterConsent = new IntentFilter(); 6071 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 6072 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 6073 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 6074 } 6075 6076 private void onBugreportFinished(Intent intent) { 6077 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6078 mRemoteBugreportServiceIsActive.set(false); 6079 Uri bugreportUri = intent.getData(); 6080 String bugreportUriString = null; 6081 if (bugreportUri != null) { 6082 bugreportUriString = bugreportUri.toString(); 6083 } 6084 String bugreportHash = intent.getStringExtra( 6085 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 6086 if (mRemoteBugreportSharingAccepted.get()) { 6087 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6088 mInjector.getNotificationManager().cancel(LOG_TAG, 6089 RemoteBugreportUtils.NOTIFICATION_ID); 6090 } else { 6091 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 6092 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6093 RemoteBugreportUtils.buildNotification(mContext, 6094 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 6095 UserHandle.ALL); 6096 } 6097 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6098 } 6099 6100 private void onBugreportFailed() { 6101 mRemoteBugreportServiceIsActive.set(false); 6102 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6103 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6104 mRemoteBugreportSharingAccepted.set(false); 6105 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6106 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 6107 Bundle extras = new Bundle(); 6108 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6109 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 6110 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6111 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 6112 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6113 } 6114 6115 private void onBugreportSharingAccepted() { 6116 mRemoteBugreportSharingAccepted.set(true); 6117 String bugreportUriString = null; 6118 String bugreportHash = null; 6119 synchronized (this) { 6120 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 6121 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 6122 } 6123 if (bugreportUriString != null) { 6124 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6125 } else if (mRemoteBugreportServiceIsActive.get()) { 6126 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6127 RemoteBugreportUtils.buildNotification(mContext, 6128 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 6129 UserHandle.ALL); 6130 } 6131 } 6132 6133 private void onBugreportSharingDeclined() { 6134 if (mRemoteBugreportServiceIsActive.get()) { 6135 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6136 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6137 mRemoteBugreportServiceIsActive.set(false); 6138 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6139 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6140 } 6141 mRemoteBugreportSharingAccepted.set(false); 6142 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6143 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 6144 } 6145 6146 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 6147 String bugreportHash) { 6148 ParcelFileDescriptor pfd = null; 6149 try { 6150 if (bugreportUriString == null) { 6151 throw new FileNotFoundException(); 6152 } 6153 Uri bugreportUri = Uri.parse(bugreportUriString); 6154 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 6155 6156 synchronized (this) { 6157 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 6158 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6159 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6160 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 6161 intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6162 6163 LocalServices.getService(ActivityManagerInternal.class) 6164 .grantUriPermissionFromIntent(Process.SHELL_UID, 6165 mOwners.getDeviceOwnerComponent().getPackageName(), 6166 intent, mOwners.getDeviceOwnerUserId()); 6167 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6168 } 6169 } catch (FileNotFoundException e) { 6170 Bundle extras = new Bundle(); 6171 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6172 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 6173 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6174 } finally { 6175 try { 6176 if (pfd != null) { 6177 pfd.close(); 6178 } 6179 } catch (IOException ex) { 6180 // Ignore 6181 } 6182 mRemoteBugreportSharingAccepted.set(false); 6183 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6184 } 6185 } 6186 6187 /** 6188 * Disables all device cameras according to the specified admin. 6189 */ 6190 @Override 6191 public void setCameraDisabled(ComponentName who, boolean disabled) { 6192 if (!mHasFeature) { 6193 return; 6194 } 6195 Preconditions.checkNotNull(who, "ComponentName is null"); 6196 final int userHandle = mInjector.userHandleGetCallingUserId(); 6197 synchronized (this) { 6198 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 6199 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 6200 if (ap.disableCamera != disabled) { 6201 ap.disableCamera = disabled; 6202 saveSettingsLocked(userHandle); 6203 } 6204 } 6205 // Tell the user manager that the restrictions have changed. 6206 pushUserRestrictions(userHandle); 6207 } 6208 6209 /** 6210 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 6211 * active admins. 6212 */ 6213 @Override 6214 public boolean getCameraDisabled(ComponentName who, int userHandle) { 6215 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 6216 } 6217 6218 private boolean getCameraDisabled(ComponentName who, int userHandle, 6219 boolean mergeDeviceOwnerRestriction) { 6220 if (!mHasFeature) { 6221 return false; 6222 } 6223 synchronized (this) { 6224 if (who != null) { 6225 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6226 return (admin != null) ? admin.disableCamera : false; 6227 } 6228 // First, see if DO has set it. If so, it's device-wide. 6229 if (mergeDeviceOwnerRestriction) { 6230 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6231 if (deviceOwner != null && deviceOwner.disableCamera) { 6232 return true; 6233 } 6234 } 6235 6236 // Then check each device admin on the user. 6237 DevicePolicyData policy = getUserData(userHandle); 6238 // Determine whether or not the device camera is disabled for any active admins. 6239 final int N = policy.mAdminList.size(); 6240 for (int i = 0; i < N; i++) { 6241 ActiveAdmin admin = policy.mAdminList.get(i); 6242 if (admin.disableCamera) { 6243 return true; 6244 } 6245 } 6246 return false; 6247 } 6248 } 6249 6250 @Override 6251 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 6252 if (!mHasFeature) { 6253 return; 6254 } 6255 Preconditions.checkNotNull(who, "ComponentName is null"); 6256 final int userHandle = mInjector.userHandleGetCallingUserId(); 6257 if (isManagedProfile(userHandle)) { 6258 if (parent) { 6259 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 6260 } else { 6261 which = which & PROFILE_KEYGUARD_FEATURES; 6262 } 6263 } 6264 synchronized (this) { 6265 ActiveAdmin ap = getActiveAdminForCallerLocked( 6266 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6267 if (ap.disabledKeyguardFeatures != which) { 6268 ap.disabledKeyguardFeatures = which; 6269 saveSettingsLocked(userHandle); 6270 } 6271 } 6272 } 6273 6274 /** 6275 * Gets the disabled state for features in keyguard for the given admin, 6276 * or the aggregate of all active admins if who is null. 6277 */ 6278 @Override 6279 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 6280 if (!mHasFeature) { 6281 return 0; 6282 } 6283 enforceFullCrossUsersPermission(userHandle); 6284 final long ident = mInjector.binderClearCallingIdentity(); 6285 try { 6286 synchronized (this) { 6287 if (who != null) { 6288 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 6289 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 6290 } 6291 6292 final List<ActiveAdmin> admins; 6293 if (!parent && isManagedProfile(userHandle)) { 6294 // If we are being asked about a managed profile, just return keyguard features 6295 // disabled by admins in the profile. 6296 admins = getUserDataUnchecked(userHandle).mAdminList; 6297 } else { 6298 // Otherwise return those set by admins in the user and its profiles. 6299 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6300 } 6301 6302 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 6303 final int N = admins.size(); 6304 for (int i = 0; i < N; i++) { 6305 ActiveAdmin admin = admins.get(i); 6306 int userId = admin.getUserHandle().getIdentifier(); 6307 boolean isRequestedUser = !parent && (userId == userHandle); 6308 if (isRequestedUser || !isManagedProfile(userId)) { 6309 // If we are being asked explicitly about this user 6310 // return all disabled features even if its a managed profile. 6311 which |= admin.disabledKeyguardFeatures; 6312 } else { 6313 // Otherwise a managed profile is only allowed to disable 6314 // some features on the parent user. 6315 which |= (admin.disabledKeyguardFeatures 6316 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 6317 } 6318 } 6319 return which; 6320 } 6321 } finally { 6322 mInjector.binderRestoreCallingIdentity(ident); 6323 } 6324 } 6325 6326 @Override 6327 public void setKeepUninstalledPackages(ComponentName who, String callerPackage, 6328 List<String> packageList) { 6329 if (!mHasFeature) { 6330 return; 6331 } 6332 Preconditions.checkNotNull(packageList, "packageList is null"); 6333 final int userHandle = UserHandle.getCallingUserId(); 6334 synchronized (this) { 6335 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6336 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6337 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6338 // Get the device owner 6339 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6340 // Set list of packages to be kept even if uninstalled. 6341 deviceOwner.keepUninstalledPackages = packageList; 6342 // Save settings. 6343 saveSettingsLocked(userHandle); 6344 // Notify package manager. 6345 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 6346 } 6347 } 6348 6349 @Override 6350 public List<String> getKeepUninstalledPackages(ComponentName who, String callerPackage) { 6351 if (!mHasFeature) { 6352 return null; 6353 } 6354 // TODO In split system user mode, allow apps on user 0 to query the list 6355 synchronized (this) { 6356 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6357 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6358 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6359 return getKeepUninstalledPackagesLocked(); 6360 } 6361 } 6362 6363 private List<String> getKeepUninstalledPackagesLocked() { 6364 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6365 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 6366 } 6367 6368 @Override 6369 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 6370 if (!mHasFeature) { 6371 return false; 6372 } 6373 if (admin == null 6374 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 6375 throw new IllegalArgumentException("Invalid component " + admin 6376 + " for device owner"); 6377 } 6378 final boolean hasIncompatibleAccountsOrNonAdb = 6379 hasIncompatibleAccountsOrNonAdbNoLock(userId, admin); 6380 synchronized (this) { 6381 enforceCanSetDeviceOwnerLocked(admin, userId, hasIncompatibleAccountsOrNonAdb); 6382 final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); 6383 if (activeAdmin == null 6384 || getUserData(userId).mRemovingAdmins.contains(admin)) { 6385 throw new IllegalArgumentException("Not active admin: " + admin); 6386 } 6387 6388 // Shutting down backup manager service permanently. 6389 long ident = mInjector.binderClearCallingIdentity(); 6390 try { 6391 if (mInjector.getIBackupManager() != null) { 6392 mInjector.getIBackupManager() 6393 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 6394 } 6395 } catch (RemoteException e) { 6396 throw new IllegalStateException("Failed deactivating backup service.", e); 6397 } finally { 6398 mInjector.binderRestoreCallingIdentity(ident); 6399 } 6400 6401 if (isAdb()) { 6402 // Log device owner provisioning was started using adb. 6403 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 6404 } 6405 6406 mOwners.setDeviceOwner(admin, ownerName, userId); 6407 mOwners.writeDeviceOwner(); 6408 updateDeviceOwnerLocked(); 6409 setDeviceOwnerSystemPropertyLocked(); 6410 6411 final Set<String> restrictions = 6412 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); 6413 if (!restrictions.isEmpty()) { 6414 for (String restriction : restrictions) { 6415 activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); 6416 } 6417 activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); 6418 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); 6419 6420 saveUserRestrictionsLocked(userId); 6421 } 6422 6423 ident = mInjector.binderClearCallingIdentity(); 6424 try { 6425 // TODO Send to system too? 6426 mContext.sendBroadcastAsUser( 6427 new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED) 6428 .addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND), 6429 UserHandle.of(userId)); 6430 } finally { 6431 mInjector.binderRestoreCallingIdentity(ident); 6432 } 6433 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 6434 return true; 6435 } 6436 } 6437 6438 @Override 6439 public boolean hasDeviceOwner() { 6440 enforceDeviceOwnerOrManageUsers(); 6441 return mOwners.hasDeviceOwner(); 6442 } 6443 6444 boolean isDeviceOwner(ActiveAdmin admin) { 6445 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6446 } 6447 6448 public boolean isDeviceOwner(ComponentName who, int userId) { 6449 synchronized (this) { 6450 return mOwners.hasDeviceOwner() 6451 && mOwners.getDeviceOwnerUserId() == userId 6452 && mOwners.getDeviceOwnerComponent().equals(who); 6453 } 6454 } 6455 6456 private boolean isDeviceOwnerPackage(String packageName, int userId) { 6457 synchronized (this) { 6458 return mOwners.hasDeviceOwner() 6459 && mOwners.getDeviceOwnerUserId() == userId 6460 && mOwners.getDeviceOwnerPackageName().equals(packageName); 6461 } 6462 } 6463 6464 private boolean isProfileOwnerPackage(String packageName, int userId) { 6465 synchronized (this) { 6466 return mOwners.hasProfileOwner(userId) 6467 && mOwners.getProfileOwnerPackage(userId).equals(packageName); 6468 } 6469 } 6470 6471 public boolean isProfileOwner(ComponentName who, int userId) { 6472 final ComponentName profileOwner = getProfileOwner(userId); 6473 return who != null && who.equals(profileOwner); 6474 } 6475 6476 @Override 6477 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6478 if (!mHasFeature) { 6479 return null; 6480 } 6481 if (!callingUserOnly) { 6482 enforceManageUsers(); 6483 } 6484 synchronized (this) { 6485 if (!mOwners.hasDeviceOwner()) { 6486 return null; 6487 } 6488 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6489 mOwners.getDeviceOwnerUserId()) { 6490 return null; 6491 } 6492 return mOwners.getDeviceOwnerComponent(); 6493 } 6494 } 6495 6496 @Override 6497 public int getDeviceOwnerUserId() { 6498 if (!mHasFeature) { 6499 return UserHandle.USER_NULL; 6500 } 6501 enforceManageUsers(); 6502 synchronized (this) { 6503 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6504 } 6505 } 6506 6507 /** 6508 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6509 * MANAGE_USERS. 6510 */ 6511 @Override 6512 public String getDeviceOwnerName() { 6513 if (!mHasFeature) { 6514 return null; 6515 } 6516 enforceManageUsers(); 6517 synchronized (this) { 6518 if (!mOwners.hasDeviceOwner()) { 6519 return null; 6520 } 6521 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6522 // Should setDeviceOwner/ProfileOwner still take a name? 6523 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6524 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6525 } 6526 } 6527 6528 /** Returns the active device owner or {@code null} if there is no device owner. */ 6529 @VisibleForTesting 6530 ActiveAdmin getDeviceOwnerAdminLocked() { 6531 ComponentName component = mOwners.getDeviceOwnerComponent(); 6532 if (component == null) { 6533 return null; 6534 } 6535 6536 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6537 final int n = policy.mAdminList.size(); 6538 for (int i = 0; i < n; i++) { 6539 ActiveAdmin admin = policy.mAdminList.get(i); 6540 if (component.equals(admin.info.getComponent())) { 6541 return admin; 6542 } 6543 } 6544 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6545 return null; 6546 } 6547 6548 @Override 6549 public void clearDeviceOwner(String packageName) { 6550 Preconditions.checkNotNull(packageName, "packageName is null"); 6551 final int callingUid = mInjector.binderGetCallingUid(); 6552 try { 6553 int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, 6554 UserHandle.getUserId(callingUid)); 6555 if (uid != callingUid) { 6556 throw new SecurityException("Invalid packageName"); 6557 } 6558 } catch (NameNotFoundException e) { 6559 throw new SecurityException(e); 6560 } 6561 synchronized (this) { 6562 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6563 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6564 if (!mOwners.hasDeviceOwner() 6565 || !deviceOwnerComponent.getPackageName().equals(packageName) 6566 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6567 throw new SecurityException( 6568 "clearDeviceOwner can only be called by the device owner"); 6569 } 6570 enforceUserUnlocked(deviceOwnerUserId); 6571 6572 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6573 long ident = mInjector.binderClearCallingIdentity(); 6574 try { 6575 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6576 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6577 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6578 intent.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND); 6579 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6580 } finally { 6581 mInjector.binderRestoreCallingIdentity(ident); 6582 } 6583 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6584 } 6585 } 6586 6587 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6588 if (admin != null) { 6589 admin.disableCamera = false; 6590 admin.userRestrictions = null; 6591 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6592 admin.forceEphemeralUsers = false; 6593 admin.isNetworkLoggingEnabled = false; 6594 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6595 final DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6596 policyData.mLastSecurityLogRetrievalTime = -1; 6597 policyData.mLastBugReportRequestTime = -1; 6598 policyData.mLastNetworkLogsRetrievalTime = -1; 6599 saveSettingsLocked(UserHandle.USER_SYSTEM); 6600 } 6601 clearUserPoliciesLocked(userId); 6602 6603 mOwners.clearDeviceOwner(); 6604 mOwners.writeDeviceOwner(); 6605 updateDeviceOwnerLocked(); 6606 6607 mInjector.securityLogSetLoggingEnabledProperty(false); 6608 mSecurityLogMonitor.stop(); 6609 setNetworkLoggingActiveInternal(false); 6610 6611 try { 6612 if (mInjector.getIBackupManager() != null) { 6613 // Reactivate backup service. 6614 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6615 } 6616 } catch (RemoteException e) { 6617 throw new IllegalStateException("Failed reactivating backup service.", e); 6618 } 6619 } 6620 6621 @Override 6622 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6623 if (!mHasFeature) { 6624 return false; 6625 } 6626 if (who == null 6627 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6628 throw new IllegalArgumentException("Component " + who 6629 + " not installed for userId:" + userHandle); 6630 } 6631 final boolean hasIncompatibleAccountsOrNonAdb = 6632 hasIncompatibleAccountsOrNonAdbNoLock(userHandle, who); 6633 synchronized (this) { 6634 enforceCanSetProfileOwnerLocked(who, userHandle, hasIncompatibleAccountsOrNonAdb); 6635 6636 if (getActiveAdminUncheckedLocked(who, userHandle) == null 6637 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6638 throw new IllegalArgumentException("Not active admin: " + who); 6639 } 6640 6641 if (isAdb()) { 6642 // Log profile owner provisioning was started using adb. 6643 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6644 } 6645 6646 mOwners.setProfileOwner(who, ownerName, userHandle); 6647 mOwners.writeProfileOwner(userHandle); 6648 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6649 6650 return true; 6651 } 6652 } 6653 6654 @Override 6655 public void clearProfileOwner(ComponentName who) { 6656 if (!mHasFeature) { 6657 return; 6658 } 6659 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 6660 final int userId = callingUser.getIdentifier(); 6661 enforceNotManagedProfile(userId, "clear profile owner"); 6662 enforceUserUnlocked(userId); 6663 // Check if this is the profile owner who is calling 6664 final ActiveAdmin admin = 6665 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6666 synchronized (this) { 6667 final long ident = mInjector.binderClearCallingIdentity(); 6668 try { 6669 clearProfileOwnerLocked(admin, userId); 6670 removeActiveAdminLocked(who, userId); 6671 } finally { 6672 mInjector.binderRestoreCallingIdentity(ident); 6673 } 6674 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6675 } 6676 } 6677 6678 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6679 if (admin != null) { 6680 admin.disableCamera = false; 6681 admin.userRestrictions = null; 6682 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6683 } 6684 clearUserPoliciesLocked(userId); 6685 mOwners.removeProfileOwner(userId); 6686 mOwners.writeProfileOwner(userId); 6687 } 6688 6689 @Override 6690 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6691 Preconditions.checkNotNull(who, "ComponentName is null"); 6692 if (!mHasFeature) { 6693 return; 6694 } 6695 6696 synchronized (this) { 6697 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6698 long token = mInjector.binderClearCallingIdentity(); 6699 try { 6700 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6701 } finally { 6702 mInjector.binderRestoreCallingIdentity(token); 6703 } 6704 } 6705 } 6706 6707 @Override 6708 public CharSequence getDeviceOwnerLockScreenInfo() { 6709 return mLockPatternUtils.getDeviceOwnerInfo(); 6710 } 6711 6712 private void clearUserPoliciesLocked(int userId) { 6713 // Reset some of the user-specific policies. 6714 final DevicePolicyData policy = getUserData(userId); 6715 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6716 // Clear delegations. 6717 policy.mDelegationMap.clear(); 6718 policy.mStatusBarDisabled = false; 6719 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6720 policy.mAffiliationIds.clear(); 6721 policy.mLockTaskPackages.clear(); 6722 saveSettingsLocked(userId); 6723 6724 try { 6725 mIPackageManager.updatePermissionFlagsForAllApps( 6726 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6727 0 /* flagValues */, userId); 6728 pushUserRestrictions(userId); 6729 } catch (RemoteException re) { 6730 // Shouldn't happen. 6731 } 6732 } 6733 6734 @Override 6735 public boolean hasUserSetupCompleted() { 6736 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6737 } 6738 6739 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6740 // completing Setup Wizard, and pairing involves transferring user data, calling 6741 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6742 private boolean hasUserSetupCompleted(int userHandle) { 6743 if (!mHasFeature) { 6744 return true; 6745 } 6746 return getUserData(userHandle).mUserSetupComplete; 6747 } 6748 6749 private boolean hasPaired(int userHandle) { 6750 if (!mHasFeature) { 6751 return true; 6752 } 6753 return getUserData(userHandle).mPaired; 6754 } 6755 6756 @Override 6757 public int getUserProvisioningState() { 6758 if (!mHasFeature) { 6759 return DevicePolicyManager.STATE_USER_UNMANAGED; 6760 } 6761 int userHandle = mInjector.userHandleGetCallingUserId(); 6762 return getUserProvisioningState(userHandle); 6763 } 6764 6765 private int getUserProvisioningState(int userHandle) { 6766 return getUserData(userHandle).mUserProvisioningState; 6767 } 6768 6769 @Override 6770 public void setUserProvisioningState(int newState, int userHandle) { 6771 if (!mHasFeature) { 6772 return; 6773 } 6774 6775 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6776 && getManagedUserId(userHandle) == -1) { 6777 // No managed device, user or profile, so setting provisioning state makes no sense. 6778 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6779 + "device or profile owner is set."); 6780 } 6781 6782 synchronized (this) { 6783 boolean transitionCheckNeeded = true; 6784 6785 // Calling identity/permission checks. 6786 if (isAdb()) { 6787 // ADB shell can only move directly from un-managed to finalized as part of directly 6788 // setting profile-owner or device-owner. 6789 if (getUserProvisioningState(userHandle) != 6790 DevicePolicyManager.STATE_USER_UNMANAGED 6791 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6792 throw new IllegalStateException("Not allowed to change provisioning state " 6793 + "unless current provisioning state is unmanaged, and new state is " 6794 + "finalized."); 6795 } 6796 transitionCheckNeeded = false; 6797 } else { 6798 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6799 enforceCanManageProfileAndDeviceOwners(); 6800 } 6801 6802 final DevicePolicyData policyData = getUserData(userHandle); 6803 if (transitionCheckNeeded) { 6804 // Optional state transition check for non-ADB case. 6805 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6806 } 6807 policyData.mUserProvisioningState = newState; 6808 saveSettingsLocked(userHandle); 6809 } 6810 } 6811 6812 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6813 // Valid transitions for normal use-cases. 6814 switch (currentState) { 6815 case DevicePolicyManager.STATE_USER_UNMANAGED: 6816 // Can move to any state from unmanaged (except itself as an edge case).. 6817 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6818 return; 6819 } 6820 break; 6821 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6822 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6823 // Can only move to finalized from these states. 6824 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6825 return; 6826 } 6827 break; 6828 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6829 // Current user has a managed-profile, but current user is not managed, so 6830 // rather than moving to finalized state, go back to unmanaged once 6831 // profile provisioning is complete. 6832 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6833 return; 6834 } 6835 break; 6836 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6837 // Cannot transition out of finalized. 6838 break; 6839 } 6840 6841 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6842 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6843 + "from state [" + currentState + "]"); 6844 } 6845 6846 @Override 6847 public void setProfileEnabled(ComponentName who) { 6848 if (!mHasFeature) { 6849 return; 6850 } 6851 Preconditions.checkNotNull(who, "ComponentName is null"); 6852 synchronized (this) { 6853 // Check if this is the profile owner who is calling 6854 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6855 final int userId = UserHandle.getCallingUserId(); 6856 enforceManagedProfile(userId, "enable the profile"); 6857 // Check if the profile is already enabled. 6858 UserInfo managedProfile = getUserInfo(userId); 6859 if (managedProfile.isEnabled()) { 6860 Slog.e(LOG_TAG, 6861 "setProfileEnabled is called when the profile is already enabled"); 6862 return; 6863 } 6864 long id = mInjector.binderClearCallingIdentity(); 6865 try { 6866 mUserManager.setUserEnabled(userId); 6867 UserInfo parent = mUserManager.getProfileParent(userId); 6868 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6869 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6870 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6871 Intent.FLAG_RECEIVER_FOREGROUND); 6872 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6873 } finally { 6874 mInjector.binderRestoreCallingIdentity(id); 6875 } 6876 } 6877 } 6878 6879 @Override 6880 public void setProfileName(ComponentName who, String profileName) { 6881 Preconditions.checkNotNull(who, "ComponentName is null"); 6882 int userId = UserHandle.getCallingUserId(); 6883 // Check if this is the profile owner (includes device owner). 6884 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6885 6886 long id = mInjector.binderClearCallingIdentity(); 6887 try { 6888 mUserManager.setUserName(userId, profileName); 6889 } finally { 6890 mInjector.binderRestoreCallingIdentity(id); 6891 } 6892 } 6893 6894 @Override 6895 public ComponentName getProfileOwner(int userHandle) { 6896 if (!mHasFeature) { 6897 return null; 6898 } 6899 6900 synchronized (this) { 6901 return mOwners.getProfileOwnerComponent(userHandle); 6902 } 6903 } 6904 6905 // Returns the active profile owner for this user or null if the current user has no 6906 // profile owner. 6907 @VisibleForTesting 6908 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6909 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6910 if (profileOwner == null) { 6911 return null; 6912 } 6913 DevicePolicyData policy = getUserData(userHandle); 6914 final int n = policy.mAdminList.size(); 6915 for (int i = 0; i < n; i++) { 6916 ActiveAdmin admin = policy.mAdminList.get(i); 6917 if (profileOwner.equals(admin.info.getComponent())) { 6918 return admin; 6919 } 6920 } 6921 return null; 6922 } 6923 6924 @Override 6925 public String getProfileOwnerName(int userHandle) { 6926 if (!mHasFeature) { 6927 return null; 6928 } 6929 enforceManageUsers(); 6930 ComponentName profileOwner = getProfileOwner(userHandle); 6931 if (profileOwner == null) { 6932 return null; 6933 } 6934 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6935 } 6936 6937 /** 6938 * Canonical name for a given package. 6939 */ 6940 private String getApplicationLabel(String packageName, int userHandle) { 6941 long token = mInjector.binderClearCallingIdentity(); 6942 try { 6943 final Context userContext; 6944 try { 6945 UserHandle handle = new UserHandle(userHandle); 6946 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6947 } catch (PackageManager.NameNotFoundException nnfe) { 6948 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6949 return null; 6950 } 6951 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6952 CharSequence result = null; 6953 if (appInfo != null) { 6954 PackageManager pm = userContext.getPackageManager(); 6955 result = pm.getApplicationLabel(appInfo); 6956 } 6957 return result != null ? result.toString() : null; 6958 } finally { 6959 mInjector.binderRestoreCallingIdentity(token); 6960 } 6961 } 6962 6963 /** 6964 * Calls wtfStack() if called with the DPMS lock held. 6965 */ 6966 private void wtfIfInLock() { 6967 if (Thread.holdsLock(this)) { 6968 Slog.wtfStack(LOG_TAG, "Shouldn't be called with DPMS lock held"); 6969 } 6970 } 6971 6972 /** 6973 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6974 * permission. 6975 * The profile owner can only be set before the user setup phase has completed, 6976 * except for: 6977 * - SYSTEM_UID 6978 * - adb unless hasIncompatibleAccountsOrNonAdb is true. 6979 */ 6980 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle, 6981 boolean hasIncompatibleAccountsOrNonAdb) { 6982 UserInfo info = getUserInfo(userHandle); 6983 if (info == null) { 6984 // User doesn't exist. 6985 throw new IllegalArgumentException( 6986 "Attempted to set profile owner for invalid userId: " + userHandle); 6987 } 6988 if (info.isGuest()) { 6989 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6990 } 6991 if (mOwners.hasProfileOwner(userHandle)) { 6992 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6993 + "is already set."); 6994 } 6995 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6996 throw new IllegalStateException("Trying to set the profile owner, but the user " 6997 + "already has a device owner."); 6998 } 6999 if (isAdb()) { 7000 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 7001 && hasIncompatibleAccountsOrNonAdb) { 7002 throw new IllegalStateException("Not allowed to set the profile owner because " 7003 + "there are already some accounts on the profile"); 7004 } 7005 return; 7006 } 7007 enforceCanManageProfileAndDeviceOwners(); 7008 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 7009 throw new IllegalStateException("Cannot set the profile owner on a user which is " 7010 + "already set-up"); 7011 } 7012 } 7013 7014 /** 7015 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 7016 * permission. 7017 */ 7018 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId, 7019 boolean hasIncompatibleAccountsOrNonAdb) { 7020 if (!isAdb()) { 7021 enforceCanManageProfileAndDeviceOwners(); 7022 } 7023 7024 final int code = checkDeviceOwnerProvisioningPreConditionLocked( 7025 owner, userId, isAdb(), hasIncompatibleAccountsOrNonAdb); 7026 switch (code) { 7027 case CODE_OK: 7028 return; 7029 case CODE_HAS_DEVICE_OWNER: 7030 throw new IllegalStateException( 7031 "Trying to set the device owner, but device owner is already set."); 7032 case CODE_USER_HAS_PROFILE_OWNER: 7033 throw new IllegalStateException("Trying to set the device owner, but the user " 7034 + "already has a profile owner."); 7035 case CODE_USER_NOT_RUNNING: 7036 throw new IllegalStateException("User not running: " + userId); 7037 case CODE_NOT_SYSTEM_USER: 7038 throw new IllegalStateException("User is not system user"); 7039 case CODE_USER_SETUP_COMPLETED: 7040 throw new IllegalStateException( 7041 "Cannot set the device owner if the device is already set-up"); 7042 case CODE_NONSYSTEM_USER_EXISTS: 7043 throw new IllegalStateException("Not allowed to set the device owner because there " 7044 + "are already several users on the device"); 7045 case CODE_ACCOUNTS_NOT_EMPTY: 7046 throw new IllegalStateException("Not allowed to set the device owner because there " 7047 + "are already some accounts on the device"); 7048 case CODE_HAS_PAIRED: 7049 throw new IllegalStateException("Not allowed to set the device owner because this " 7050 + "device has already paired"); 7051 default: 7052 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 7053 } 7054 } 7055 7056 private void enforceUserUnlocked(int userId) { 7057 // Since we're doing this operation on behalf of an app, we only 7058 // want to use the actual "unlocked" state. 7059 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 7060 "User must be running and unlocked"); 7061 } 7062 7063 private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { 7064 if (parent) { 7065 enforceUserUnlocked(getProfileParentId(userId)); 7066 } else { 7067 enforceUserUnlocked(userId); 7068 } 7069 } 7070 7071 private void enforceManageUsers() { 7072 final int callingUid = mInjector.binderGetCallingUid(); 7073 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7074 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7075 } 7076 } 7077 7078 private void enforceFullCrossUsersPermission(int userHandle) { 7079 enforceSystemUserOrPermission(userHandle, 7080 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 7081 } 7082 7083 private void enforceCrossUsersPermission(int userHandle) { 7084 enforceSystemUserOrPermission(userHandle, 7085 android.Manifest.permission.INTERACT_ACROSS_USERS); 7086 } 7087 7088 private void enforceSystemUserOrPermission(int userHandle, String permission) { 7089 if (userHandle < 0) { 7090 throw new IllegalArgumentException("Invalid userId " + userHandle); 7091 } 7092 final int callingUid = mInjector.binderGetCallingUid(); 7093 if (userHandle == UserHandle.getUserId(callingUid)) { 7094 return; 7095 } 7096 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7097 mContext.enforceCallingOrSelfPermission(permission, 7098 "Must be system or have " + permission + " permission"); 7099 } 7100 } 7101 7102 private void enforceManagedProfile(int userHandle, String message) { 7103 if(!isManagedProfile(userHandle)) { 7104 throw new SecurityException("You can not " + message + " outside a managed profile."); 7105 } 7106 } 7107 7108 private void enforceNotManagedProfile(int userHandle, String message) { 7109 if(isManagedProfile(userHandle)) { 7110 throw new SecurityException("You can not " + message + " for a managed profile."); 7111 } 7112 } 7113 7114 private void enforceDeviceOwnerOrManageUsers() { 7115 synchronized (this) { 7116 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 7117 mInjector.binderGetCallingUid()) != null) { 7118 return; 7119 } 7120 } 7121 enforceManageUsers(); 7122 } 7123 7124 private void enforceProfileOwnerOrSystemUser(ComponentName admin) { 7125 synchronized (this) { 7126 if (getActiveAdminWithPolicyForUidLocked(admin, 7127 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 7128 != null) { 7129 return; 7130 } 7131 } 7132 Preconditions.checkState(isCallerWithSystemUid(), 7133 "Only profile owner, device owner and system may call this method."); 7134 } 7135 7136 private void ensureCallerPackage(@Nullable String packageName) { 7137 if (packageName == null) { 7138 Preconditions.checkState(isCallerWithSystemUid(), 7139 "Only caller can omit package name"); 7140 } else { 7141 final int callingUid = mInjector.binderGetCallingUid(); 7142 final int userId = mInjector.userHandleGetCallingUserId(); 7143 try { 7144 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 7145 packageName, 0, userId); 7146 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 7147 } catch (RemoteException e) { 7148 // Shouldn't happen 7149 } 7150 } 7151 } 7152 7153 private boolean isCallerWithSystemUid() { 7154 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 7155 } 7156 7157 private int getProfileParentId(int userHandle) { 7158 final long ident = mInjector.binderClearCallingIdentity(); 7159 try { 7160 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 7161 return parentUser != null ? parentUser.id : userHandle; 7162 } finally { 7163 mInjector.binderRestoreCallingIdentity(ident); 7164 } 7165 } 7166 7167 private int getCredentialOwner(int userHandle, boolean parent) { 7168 final long ident = mInjector.binderClearCallingIdentity(); 7169 try { 7170 if (parent) { 7171 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 7172 if (parentProfile != null) { 7173 userHandle = parentProfile.id; 7174 } 7175 } 7176 return mUserManager.getCredentialOwnerProfile(userHandle); 7177 } finally { 7178 mInjector.binderRestoreCallingIdentity(ident); 7179 } 7180 } 7181 7182 private boolean isManagedProfile(int userHandle) { 7183 final UserInfo user = getUserInfo(userHandle); 7184 return user != null && user.isManagedProfile(); 7185 } 7186 7187 private void enableIfNecessary(String packageName, int userId) { 7188 try { 7189 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 7190 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 7191 userId); 7192 if (ai.enabledSetting 7193 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 7194 mIPackageManager.setApplicationEnabledSetting(packageName, 7195 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 7196 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 7197 } 7198 } catch (RemoteException e) { 7199 } 7200 } 7201 7202 @Override 7203 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 7204 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 7205 != PackageManager.PERMISSION_GRANTED) { 7206 7207 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 7208 + mInjector.binderGetCallingPid() 7209 + ", uid=" + mInjector.binderGetCallingUid()); 7210 return; 7211 } 7212 7213 synchronized (this) { 7214 pw.println("Current Device Policy Manager state:"); 7215 mOwners.dump(" ", pw); 7216 int userCount = mUserData.size(); 7217 for (int u = 0; u < userCount; u++) { 7218 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 7219 pw.println(); 7220 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 7221 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 7222 final int N = policy.mAdminList.size(); 7223 for (int i=0; i<N; i++) { 7224 ActiveAdmin ap = policy.mAdminList.get(i); 7225 if (ap != null) { 7226 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 7227 pw.println(":"); 7228 ap.dump(" ", pw); 7229 } 7230 } 7231 if (!policy.mRemovingAdmins.isEmpty()) { 7232 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 7233 + policy.mRemovingAdmins); 7234 } 7235 7236 pw.println(" "); 7237 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 7238 } 7239 pw.println(); 7240 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 7241 } 7242 } 7243 7244 private String getEncryptionStatusName(int encryptionStatus) { 7245 switch (encryptionStatus) { 7246 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 7247 return "inactive"; 7248 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 7249 return "block default key"; 7250 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 7251 return "block"; 7252 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 7253 return "per-user"; 7254 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 7255 return "unsupported"; 7256 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 7257 return "activating"; 7258 default: 7259 return "unknown"; 7260 } 7261 } 7262 7263 @Override 7264 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 7265 ComponentName activity) { 7266 Preconditions.checkNotNull(who, "ComponentName is null"); 7267 final int userHandle = UserHandle.getCallingUserId(); 7268 synchronized (this) { 7269 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7270 7271 long id = mInjector.binderClearCallingIdentity(); 7272 try { 7273 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 7274 mIPackageManager.flushPackageRestrictionsAsUser(userHandle); 7275 } catch (RemoteException re) { 7276 // Shouldn't happen 7277 } finally { 7278 mInjector.binderRestoreCallingIdentity(id); 7279 } 7280 } 7281 } 7282 7283 @Override 7284 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 7285 Preconditions.checkNotNull(who, "ComponentName is null"); 7286 final int userHandle = UserHandle.getCallingUserId(); 7287 synchronized (this) { 7288 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7289 7290 long id = mInjector.binderClearCallingIdentity(); 7291 try { 7292 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 7293 mIPackageManager.flushPackageRestrictionsAsUser(userHandle); 7294 } catch (RemoteException re) { 7295 // Shouldn't happen 7296 } finally { 7297 mInjector.binderRestoreCallingIdentity(id); 7298 } 7299 } 7300 } 7301 7302 @Override 7303 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 7304 String packageName) { 7305 try { 7306 setDelegatedScopePreO(admin, packageName, DELEGATION_APP_RESTRICTIONS); 7307 } catch (IllegalArgumentException e) { 7308 return false; 7309 } 7310 return true; 7311 } 7312 7313 @Override 7314 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 7315 final List<String> delegatePackages = getDelegatePackages(admin, 7316 DELEGATION_APP_RESTRICTIONS); 7317 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 7318 } 7319 7320 @Override 7321 public boolean isCallerApplicationRestrictionsManagingPackage(String callerPackage) { 7322 return isCallerDelegate(callerPackage, DELEGATION_APP_RESTRICTIONS); 7323 } 7324 7325 @Override 7326 public void setApplicationRestrictions(ComponentName who, String callerPackage, 7327 String packageName, Bundle settings) { 7328 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 7329 DELEGATION_APP_RESTRICTIONS); 7330 7331 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7332 final long id = mInjector.binderClearCallingIdentity(); 7333 try { 7334 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 7335 } finally { 7336 mInjector.binderRestoreCallingIdentity(id); 7337 } 7338 } 7339 7340 @Override 7341 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 7342 PersistableBundle args, boolean parent) { 7343 if (!mHasFeature) { 7344 return; 7345 } 7346 Preconditions.checkNotNull(admin, "admin is null"); 7347 Preconditions.checkNotNull(agent, "agent is null"); 7348 final int userHandle = UserHandle.getCallingUserId(); 7349 synchronized (this) { 7350 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 7351 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 7352 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 7353 saveSettingsLocked(userHandle); 7354 } 7355 } 7356 7357 @Override 7358 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 7359 ComponentName agent, int userHandle, boolean parent) { 7360 if (!mHasFeature) { 7361 return null; 7362 } 7363 Preconditions.checkNotNull(agent, "agent null"); 7364 enforceFullCrossUsersPermission(userHandle); 7365 7366 synchronized (this) { 7367 final String componentName = agent.flattenToString(); 7368 if (admin != null) { 7369 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 7370 if (ap == null) return null; 7371 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 7372 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 7373 List<PersistableBundle> result = new ArrayList<>(); 7374 result.add(trustAgentInfo.options); 7375 return result; 7376 } 7377 7378 // Return strictest policy for this user and profiles that are visible from this user. 7379 List<PersistableBundle> result = null; 7380 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 7381 // of the options. If any admin doesn't have options, discard options for the rest 7382 // and return null. 7383 List<ActiveAdmin> admins = 7384 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 7385 boolean allAdminsHaveOptions = true; 7386 final int N = admins.size(); 7387 for (int i = 0; i < N; i++) { 7388 final ActiveAdmin active = admins.get(i); 7389 7390 final boolean disablesTrust = (active.disabledKeyguardFeatures 7391 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 7392 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 7393 if (info != null && info.options != null && !info.options.isEmpty()) { 7394 if (disablesTrust) { 7395 if (result == null) { 7396 result = new ArrayList<>(); 7397 } 7398 result.add(info.options); 7399 } else { 7400 Log.w(LOG_TAG, "Ignoring admin " + active.info 7401 + " because it has trust options but doesn't declare " 7402 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 7403 } 7404 } else if (disablesTrust) { 7405 allAdminsHaveOptions = false; 7406 break; 7407 } 7408 } 7409 return allAdminsHaveOptions ? result : null; 7410 } 7411 } 7412 7413 @Override 7414 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 7415 Preconditions.checkNotNull(who, "ComponentName is null"); 7416 synchronized (this) { 7417 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7418 7419 int userHandle = UserHandle.getCallingUserId(); 7420 DevicePolicyData userData = getUserData(userHandle); 7421 userData.mRestrictionsProvider = permissionProvider; 7422 saveSettingsLocked(userHandle); 7423 } 7424 } 7425 7426 @Override 7427 public ComponentName getRestrictionsProvider(int userHandle) { 7428 synchronized (this) { 7429 if (!isCallerWithSystemUid()) { 7430 throw new SecurityException("Only the system can query the permission provider"); 7431 } 7432 DevicePolicyData userData = getUserData(userHandle); 7433 return userData != null ? userData.mRestrictionsProvider : null; 7434 } 7435 } 7436 7437 @Override 7438 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 7439 Preconditions.checkNotNull(who, "ComponentName is null"); 7440 int callingUserId = UserHandle.getCallingUserId(); 7441 synchronized (this) { 7442 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7443 7444 long id = mInjector.binderClearCallingIdentity(); 7445 try { 7446 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7447 if (parent == null) { 7448 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 7449 + "parent"); 7450 return; 7451 } 7452 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 7453 mIPackageManager.addCrossProfileIntentFilter( 7454 filter, who.getPackageName(), callingUserId, parent.id, 0); 7455 } 7456 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 7457 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 7458 parent.id, callingUserId, 0); 7459 } 7460 } catch (RemoteException re) { 7461 // Shouldn't happen 7462 } finally { 7463 mInjector.binderRestoreCallingIdentity(id); 7464 } 7465 } 7466 } 7467 7468 @Override 7469 public void clearCrossProfileIntentFilters(ComponentName who) { 7470 Preconditions.checkNotNull(who, "ComponentName is null"); 7471 int callingUserId = UserHandle.getCallingUserId(); 7472 synchronized (this) { 7473 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7474 long id = mInjector.binderClearCallingIdentity(); 7475 try { 7476 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7477 if (parent == null) { 7478 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7479 + "parent"); 7480 return; 7481 } 7482 // Removing those that go from the managed profile to the parent. 7483 mIPackageManager.clearCrossProfileIntentFilters( 7484 callingUserId, who.getPackageName()); 7485 // And those that go from the parent to the managed profile. 7486 // If we want to support multiple managed profiles, we will have to only remove 7487 // those that have callingUserId as their target. 7488 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7489 } catch (RemoteException re) { 7490 // Shouldn't happen 7491 } finally { 7492 mInjector.binderRestoreCallingIdentity(id); 7493 } 7494 } 7495 } 7496 7497 /** 7498 * @return true if all packages in enabledPackages are either in the list 7499 * permittedList or are a system app. 7500 */ 7501 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7502 List<String> permittedList, int userIdToCheck) { 7503 long id = mInjector.binderClearCallingIdentity(); 7504 try { 7505 // If we have an enabled packages list for a managed profile the packages 7506 // we should check are installed for the parent user. 7507 UserInfo user = getUserInfo(userIdToCheck); 7508 if (user.isManagedProfile()) { 7509 userIdToCheck = user.profileGroupId; 7510 } 7511 7512 for (String enabledPackage : enabledPackages) { 7513 boolean systemService = false; 7514 try { 7515 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7516 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7517 userIdToCheck); 7518 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7519 } catch (RemoteException e) { 7520 Log.i(LOG_TAG, "Can't talk to package managed", e); 7521 } 7522 if (!systemService && !permittedList.contains(enabledPackage)) { 7523 return false; 7524 } 7525 } 7526 } finally { 7527 mInjector.binderRestoreCallingIdentity(id); 7528 } 7529 return true; 7530 } 7531 7532 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7533 // Not using AccessibilityManager.getInstance because that guesses 7534 // at the user you require based on callingUid and caches for a given 7535 // process. 7536 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7537 IAccessibilityManager service = iBinder == null 7538 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7539 return new AccessibilityManager(mContext, service, userId); 7540 } 7541 7542 @Override 7543 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7544 if (!mHasFeature) { 7545 return false; 7546 } 7547 Preconditions.checkNotNull(who, "ComponentName is null"); 7548 7549 if (packageList != null) { 7550 int userId = UserHandle.getCallingUserId(); 7551 List<AccessibilityServiceInfo> enabledServices = null; 7552 long id = mInjector.binderClearCallingIdentity(); 7553 try { 7554 UserInfo user = getUserInfo(userId); 7555 if (user.isManagedProfile()) { 7556 userId = user.profileGroupId; 7557 } 7558 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7559 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7560 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7561 } finally { 7562 mInjector.binderRestoreCallingIdentity(id); 7563 } 7564 7565 if (enabledServices != null) { 7566 List<String> enabledPackages = new ArrayList<String>(); 7567 for (AccessibilityServiceInfo service : enabledServices) { 7568 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7569 } 7570 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7571 userId)) { 7572 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7573 + "because it contains already enabled accesibility services."); 7574 return false; 7575 } 7576 } 7577 } 7578 7579 synchronized (this) { 7580 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7581 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7582 admin.permittedAccessiblityServices = packageList; 7583 saveSettingsLocked(UserHandle.getCallingUserId()); 7584 } 7585 return true; 7586 } 7587 7588 @Override 7589 public List getPermittedAccessibilityServices(ComponentName who) { 7590 if (!mHasFeature) { 7591 return null; 7592 } 7593 Preconditions.checkNotNull(who, "ComponentName is null"); 7594 7595 synchronized (this) { 7596 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7597 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7598 return admin.permittedAccessiblityServices; 7599 } 7600 } 7601 7602 @Override 7603 public List getPermittedAccessibilityServicesForUser(int userId) { 7604 if (!mHasFeature) { 7605 return null; 7606 } 7607 synchronized (this) { 7608 List<String> result = null; 7609 // If we have multiple profiles we return the intersection of the 7610 // permitted lists. This can happen in cases where we have a device 7611 // and profile owner. 7612 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7613 for (int profileId : profileIds) { 7614 // Just loop though all admins, only device or profiles 7615 // owners can have permitted lists set. 7616 DevicePolicyData policy = getUserDataUnchecked(profileId); 7617 final int N = policy.mAdminList.size(); 7618 for (int j = 0; j < N; j++) { 7619 ActiveAdmin admin = policy.mAdminList.get(j); 7620 List<String> fromAdmin = admin.permittedAccessiblityServices; 7621 if (fromAdmin != null) { 7622 if (result == null) { 7623 result = new ArrayList<>(fromAdmin); 7624 } else { 7625 result.retainAll(fromAdmin); 7626 } 7627 } 7628 } 7629 } 7630 7631 // If we have a permitted list add all system accessibility services. 7632 if (result != null) { 7633 long id = mInjector.binderClearCallingIdentity(); 7634 try { 7635 UserInfo user = getUserInfo(userId); 7636 if (user.isManagedProfile()) { 7637 userId = user.profileGroupId; 7638 } 7639 AccessibilityManager accessibilityManager = 7640 getAccessibilityManagerForUser(userId); 7641 List<AccessibilityServiceInfo> installedServices = 7642 accessibilityManager.getInstalledAccessibilityServiceList(); 7643 7644 if (installedServices != null) { 7645 for (AccessibilityServiceInfo service : installedServices) { 7646 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7647 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7648 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7649 result.add(serviceInfo.packageName); 7650 } 7651 } 7652 } 7653 } finally { 7654 mInjector.binderRestoreCallingIdentity(id); 7655 } 7656 } 7657 7658 return result; 7659 } 7660 } 7661 7662 @Override 7663 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7664 int userHandle) { 7665 if (!mHasFeature) { 7666 return true; 7667 } 7668 Preconditions.checkNotNull(who, "ComponentName is null"); 7669 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7670 if (!isCallerWithSystemUid()){ 7671 throw new SecurityException( 7672 "Only the system can query if an accessibility service is disabled by admin"); 7673 } 7674 synchronized (this) { 7675 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7676 if (admin == null) { 7677 return false; 7678 } 7679 if (admin.permittedAccessiblityServices == null) { 7680 return true; 7681 } 7682 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7683 admin.permittedAccessiblityServices, userHandle); 7684 } 7685 } 7686 7687 private boolean checkCallerIsCurrentUserOrProfile() { 7688 int callingUserId = UserHandle.getCallingUserId(); 7689 long token = mInjector.binderClearCallingIdentity(); 7690 try { 7691 UserInfo currentUser; 7692 UserInfo callingUser = getUserInfo(callingUserId); 7693 try { 7694 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7695 } catch (RemoteException e) { 7696 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7697 return false; 7698 } 7699 7700 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7701 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7702 + "of a user that isn't the foreground user."); 7703 return false; 7704 } 7705 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7706 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7707 + "of a user that isn't the foreground user."); 7708 return false; 7709 } 7710 } finally { 7711 mInjector.binderRestoreCallingIdentity(token); 7712 } 7713 return true; 7714 } 7715 7716 @Override 7717 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7718 if (!mHasFeature) { 7719 return false; 7720 } 7721 Preconditions.checkNotNull(who, "ComponentName is null"); 7722 7723 // TODO When InputMethodManager supports per user calls remove 7724 // this restriction. 7725 if (!checkCallerIsCurrentUserOrProfile()) { 7726 return false; 7727 } 7728 7729 if (packageList != null) { 7730 // InputMethodManager fetches input methods for current user. 7731 // So this can only be set when calling user is the current user 7732 // or parent is current user in case of managed profiles. 7733 InputMethodManager inputMethodManager = 7734 mContext.getSystemService(InputMethodManager.class); 7735 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7736 7737 if (enabledImes != null) { 7738 List<String> enabledPackages = new ArrayList<String>(); 7739 for (InputMethodInfo ime : enabledImes) { 7740 enabledPackages.add(ime.getPackageName()); 7741 } 7742 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7743 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7744 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7745 + "because it contains already enabled input method."); 7746 return false; 7747 } 7748 } 7749 } 7750 7751 synchronized (this) { 7752 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7753 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7754 admin.permittedInputMethods = packageList; 7755 saveSettingsLocked(UserHandle.getCallingUserId()); 7756 } 7757 return true; 7758 } 7759 7760 @Override 7761 public List getPermittedInputMethods(ComponentName who) { 7762 if (!mHasFeature) { 7763 return null; 7764 } 7765 Preconditions.checkNotNull(who, "ComponentName is null"); 7766 7767 synchronized (this) { 7768 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7769 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7770 return admin.permittedInputMethods; 7771 } 7772 } 7773 7774 @Override 7775 public List getPermittedInputMethodsForCurrentUser() { 7776 UserInfo currentUser; 7777 try { 7778 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7779 } catch (RemoteException e) { 7780 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7781 // Activity managed is dead, just allow all IMEs 7782 return null; 7783 } 7784 7785 int userId = currentUser.id; 7786 synchronized (this) { 7787 List<String> result = null; 7788 // If we have multiple profiles we return the intersection of the 7789 // permitted lists. This can happen in cases where we have a device 7790 // and profile owner. 7791 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7792 for (int profileId : profileIds) { 7793 // Just loop though all admins, only device or profiles 7794 // owners can have permitted lists set. 7795 DevicePolicyData policy = getUserDataUnchecked(profileId); 7796 final int N = policy.mAdminList.size(); 7797 for (int j = 0; j < N; j++) { 7798 ActiveAdmin admin = policy.mAdminList.get(j); 7799 List<String> fromAdmin = admin.permittedInputMethods; 7800 if (fromAdmin != null) { 7801 if (result == null) { 7802 result = new ArrayList<String>(fromAdmin); 7803 } else { 7804 result.retainAll(fromAdmin); 7805 } 7806 } 7807 } 7808 } 7809 7810 // If we have a permitted list add all system input methods. 7811 if (result != null) { 7812 InputMethodManager inputMethodManager = 7813 mContext.getSystemService(InputMethodManager.class); 7814 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7815 long id = mInjector.binderClearCallingIdentity(); 7816 try { 7817 if (imes != null) { 7818 for (InputMethodInfo ime : imes) { 7819 ServiceInfo serviceInfo = ime.getServiceInfo(); 7820 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7821 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7822 result.add(serviceInfo.packageName); 7823 } 7824 } 7825 } 7826 } finally { 7827 mInjector.binderRestoreCallingIdentity(id); 7828 } 7829 } 7830 return result; 7831 } 7832 } 7833 7834 @Override 7835 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7836 int userHandle) { 7837 if (!mHasFeature) { 7838 return true; 7839 } 7840 Preconditions.checkNotNull(who, "ComponentName is null"); 7841 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7842 if (!isCallerWithSystemUid()) { 7843 throw new SecurityException( 7844 "Only the system can query if an input method is disabled by admin"); 7845 } 7846 synchronized (this) { 7847 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7848 if (admin == null) { 7849 return false; 7850 } 7851 if (admin.permittedInputMethods == null) { 7852 return true; 7853 } 7854 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7855 admin.permittedInputMethods, userHandle); 7856 } 7857 } 7858 7859 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7860 DevicePolicyData policyData = getUserData(userHandle); 7861 if (policyData.mAdminBroadcastPending) { 7862 // Send the initialization data to profile owner and delete the data 7863 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7864 if (admin != null) { 7865 PersistableBundle initBundle = policyData.mInitBundle; 7866 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7867 initBundle == null ? null : new Bundle(initBundle), null); 7868 } 7869 policyData.mInitBundle = null; 7870 policyData.mAdminBroadcastPending = false; 7871 saveSettingsLocked(userHandle); 7872 } 7873 } 7874 7875 @Override 7876 public UserHandle createAndManageUser(ComponentName admin, String name, 7877 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7878 Preconditions.checkNotNull(admin, "admin is null"); 7879 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7880 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7881 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7882 + admin + " are not in the same package"); 7883 } 7884 // Only allow the system user to use this method 7885 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7886 throw new SecurityException("createAndManageUser was called from non-system user"); 7887 } 7888 if (!mInjector.userManagerIsSplitSystemUser() 7889 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7890 throw new IllegalArgumentException( 7891 "Ephemeral users are only supported on systems with a split system user."); 7892 } 7893 // Create user. 7894 UserHandle user = null; 7895 synchronized (this) { 7896 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7897 7898 final long id = mInjector.binderClearCallingIdentity(); 7899 try { 7900 int userInfoFlags = 0; 7901 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7902 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7903 } 7904 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7905 userInfoFlags); 7906 if (userInfo != null) { 7907 user = userInfo.getUserHandle(); 7908 } 7909 } finally { 7910 mInjector.binderRestoreCallingIdentity(id); 7911 } 7912 } 7913 if (user == null) { 7914 return null; 7915 } 7916 // Set admin. 7917 final long id = mInjector.binderClearCallingIdentity(); 7918 try { 7919 final String adminPkg = admin.getPackageName(); 7920 7921 final int userHandle = user.getIdentifier(); 7922 try { 7923 // Install the profile owner if not present. 7924 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7925 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle, 7926 PackageManager.INSTALL_REASON_POLICY); 7927 } 7928 } catch (RemoteException e) { 7929 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7930 + "removing created user", e); 7931 mUserManager.removeUser(user.getIdentifier()); 7932 return null; 7933 } 7934 7935 setActiveAdmin(profileOwner, true, userHandle); 7936 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7937 // So we store adminExtras for broadcasting when the user starts for first time. 7938 synchronized(this) { 7939 DevicePolicyData policyData = getUserData(userHandle); 7940 policyData.mInitBundle = adminExtras; 7941 policyData.mAdminBroadcastPending = true; 7942 saveSettingsLocked(userHandle); 7943 } 7944 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7945 setProfileOwner(profileOwner, ownerName, userHandle); 7946 7947 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7948 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7949 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7950 } 7951 7952 return user; 7953 } finally { 7954 mInjector.binderRestoreCallingIdentity(id); 7955 } 7956 } 7957 7958 @Override 7959 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7960 Preconditions.checkNotNull(who, "ComponentName is null"); 7961 synchronized (this) { 7962 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7963 } 7964 7965 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7966 final long id = mInjector.binderClearCallingIdentity(); 7967 try { 7968 String restriction = isManagedProfile(userHandle.getIdentifier()) 7969 ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE 7970 : UserManager.DISALLOW_REMOVE_USER; 7971 if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { 7972 Log.w(LOG_TAG, "The device owner cannot remove a user because " 7973 + restriction + " is enabled, and was not set by the device owner"); 7974 return false; 7975 } 7976 return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); 7977 } finally { 7978 mInjector.binderRestoreCallingIdentity(id); 7979 } 7980 } 7981 7982 private boolean isAdminAffectedByRestriction( 7983 ComponentName admin, String userRestriction, int userId) { 7984 switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { 7985 case UserManager.RESTRICTION_NOT_SET: 7986 return false; 7987 case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: 7988 return !isDeviceOwner(admin, userId); 7989 case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: 7990 return !isProfileOwner(admin, userId); 7991 default: 7992 return true; 7993 } 7994 } 7995 7996 @Override 7997 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7998 Preconditions.checkNotNull(who, "ComponentName is null"); 7999 synchronized (this) { 8000 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8001 8002 long id = mInjector.binderClearCallingIdentity(); 8003 try { 8004 int userId = UserHandle.USER_SYSTEM; 8005 if (userHandle != null) { 8006 userId = userHandle.getIdentifier(); 8007 } 8008 return mInjector.getIActivityManager().switchUser(userId); 8009 } catch (RemoteException e) { 8010 Log.e(LOG_TAG, "Couldn't switch user", e); 8011 return false; 8012 } finally { 8013 mInjector.binderRestoreCallingIdentity(id); 8014 } 8015 } 8016 } 8017 8018 @Override 8019 public Bundle getApplicationRestrictions(ComponentName who, String callerPackage, 8020 String packageName) { 8021 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8022 DELEGATION_APP_RESTRICTIONS); 8023 8024 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 8025 final long id = mInjector.binderClearCallingIdentity(); 8026 try { 8027 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 8028 // if no restrictions were saved, mUserManager.getApplicationRestrictions 8029 // returns null, but DPM method should return an empty Bundle as per JavaDoc 8030 return bundle != null ? bundle : Bundle.EMPTY; 8031 } finally { 8032 mInjector.binderRestoreCallingIdentity(id); 8033 } 8034 } 8035 8036 @Override 8037 public String[] setPackagesSuspended(ComponentName who, String callerPackage, 8038 String[] packageNames, boolean suspended) { 8039 int callingUserId = UserHandle.getCallingUserId(); 8040 synchronized (this) { 8041 // Ensure the caller is a DO/PO or a package access delegate. 8042 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8043 DELEGATION_PACKAGE_ACCESS); 8044 8045 long id = mInjector.binderClearCallingIdentity(); 8046 try { 8047 return mIPackageManager.setPackagesSuspendedAsUser( 8048 packageNames, suspended, callingUserId); 8049 } catch (RemoteException re) { 8050 // Shouldn't happen. 8051 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8052 } finally { 8053 mInjector.binderRestoreCallingIdentity(id); 8054 } 8055 return packageNames; 8056 } 8057 } 8058 8059 @Override 8060 public boolean isPackageSuspended(ComponentName who, String callerPackage, String packageName) { 8061 int callingUserId = UserHandle.getCallingUserId(); 8062 synchronized (this) { 8063 // Ensure the caller is a DO/PO or a package access delegate. 8064 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8065 DELEGATION_PACKAGE_ACCESS); 8066 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8067 8068 long id = mInjector.binderClearCallingIdentity(); 8069 try { 8070 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 8071 } catch (RemoteException re) { 8072 // Shouldn't happen. 8073 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8074 } finally { 8075 mInjector.binderRestoreCallingIdentity(id); 8076 } 8077 return false; 8078 } 8079 } 8080 8081 @Override 8082 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 8083 Preconditions.checkNotNull(who, "ComponentName is null"); 8084 if (!UserRestrictionsUtils.isValidRestriction(key)) { 8085 return; 8086 } 8087 8088 final int userHandle = mInjector.userHandleGetCallingUserId(); 8089 synchronized (this) { 8090 final ActiveAdmin activeAdmin = 8091 getActiveAdminForCallerLocked(who, 8092 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8093 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 8094 if (isDeviceOwner) { 8095 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 8096 throw new SecurityException("Device owner cannot set user restriction " + key); 8097 } 8098 } else { // profile owner 8099 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 8100 throw new SecurityException("Profile owner cannot set user restriction " + key); 8101 } 8102 } 8103 8104 // Save the restriction to ActiveAdmin. 8105 final Bundle restrictions = activeAdmin.ensureUserRestrictions(); 8106 if (enabledFromThisOwner) { 8107 restrictions.putBoolean(key, true); 8108 } else { 8109 restrictions.remove(key); 8110 } 8111 saveUserRestrictionsLocked(userHandle); 8112 } 8113 } 8114 8115 private void saveUserRestrictionsLocked(int userId) { 8116 saveSettingsLocked(userId); 8117 pushUserRestrictions(userId); 8118 sendChangedNotification(userId); 8119 } 8120 8121 private void pushUserRestrictions(int userId) { 8122 synchronized (this) { 8123 final boolean isDeviceOwner = mOwners.isDeviceOwnerUserId(userId); 8124 final Bundle userRestrictions; 8125 // Whether device owner enforces camera restriction. 8126 boolean disallowCameraGlobally = false; 8127 8128 if (isDeviceOwner) { 8129 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 8130 if (deviceOwner == null) { 8131 return; // Shouldn't happen. 8132 } 8133 userRestrictions = deviceOwner.userRestrictions; 8134 // DO can disable camera globally. 8135 disallowCameraGlobally = deviceOwner.disableCamera; 8136 } else { 8137 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 8138 userRestrictions = profileOwner != null ? profileOwner.userRestrictions : null; 8139 } 8140 8141 // Whether any admin enforces camera restriction. 8142 final int cameraRestrictionScope = 8143 getCameraRestrictionScopeLocked(userId, disallowCameraGlobally); 8144 8145 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, userRestrictions, 8146 isDeviceOwner, cameraRestrictionScope); 8147 } 8148 } 8149 8150 /** 8151 * Get the scope of camera restriction for a given user if any. 8152 */ 8153 private int getCameraRestrictionScopeLocked(int userId, boolean disallowCameraGlobally) { 8154 if (disallowCameraGlobally) { 8155 return UserManagerInternal.CAMERA_DISABLED_GLOBALLY; 8156 } else if (getCameraDisabled( 8157 /* who= */ null, userId, /* mergeDeviceOwnerRestriction= */ false)) { 8158 return UserManagerInternal.CAMERA_DISABLED_LOCALLY; 8159 } 8160 return UserManagerInternal.CAMERA_NOT_DISABLED; 8161 } 8162 8163 @Override 8164 public Bundle getUserRestrictions(ComponentName who) { 8165 if (!mHasFeature) { 8166 return null; 8167 } 8168 Preconditions.checkNotNull(who, "ComponentName is null"); 8169 synchronized (this) { 8170 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 8171 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8172 return activeAdmin.userRestrictions; 8173 } 8174 } 8175 8176 @Override 8177 public boolean setApplicationHidden(ComponentName who, String callerPackage, String packageName, 8178 boolean hidden) { 8179 int callingUserId = UserHandle.getCallingUserId(); 8180 synchronized (this) { 8181 // Ensure the caller is a DO/PO or a package access delegate. 8182 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8183 DELEGATION_PACKAGE_ACCESS); 8184 8185 long id = mInjector.binderClearCallingIdentity(); 8186 try { 8187 return mIPackageManager.setApplicationHiddenSettingAsUser( 8188 packageName, hidden, callingUserId); 8189 } catch (RemoteException re) { 8190 // shouldn't happen 8191 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 8192 } finally { 8193 mInjector.binderRestoreCallingIdentity(id); 8194 } 8195 return false; 8196 } 8197 } 8198 8199 @Override 8200 public boolean isApplicationHidden(ComponentName who, String callerPackage, 8201 String packageName) { 8202 int callingUserId = UserHandle.getCallingUserId(); 8203 synchronized (this) { 8204 // Ensure the caller is a DO/PO or a package access delegate. 8205 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8206 DELEGATION_PACKAGE_ACCESS); 8207 8208 long id = mInjector.binderClearCallingIdentity(); 8209 try { 8210 return mIPackageManager.getApplicationHiddenSettingAsUser( 8211 packageName, callingUserId); 8212 } catch (RemoteException re) { 8213 // shouldn't happen 8214 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 8215 } finally { 8216 mInjector.binderRestoreCallingIdentity(id); 8217 } 8218 return false; 8219 } 8220 } 8221 8222 @Override 8223 public void enableSystemApp(ComponentName who, String callerPackage, String packageName) { 8224 synchronized (this) { 8225 // Ensure the caller is a DO/PO or an enable system app delegate. 8226 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8227 DELEGATION_ENABLE_SYSTEM_APP); 8228 8229 int userId = UserHandle.getCallingUserId(); 8230 long id = mInjector.binderClearCallingIdentity(); 8231 8232 try { 8233 if (VERBOSE_LOG) { 8234 Slog.v(LOG_TAG, "installing " + packageName + " for " 8235 + userId); 8236 } 8237 8238 int parentUserId = getProfileParentId(userId); 8239 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 8240 throw new IllegalArgumentException("Only system apps can be enabled this way."); 8241 } 8242 8243 // Install the app. 8244 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8245 PackageManager.INSTALL_REASON_POLICY); 8246 8247 } catch (RemoteException re) { 8248 // shouldn't happen 8249 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 8250 } finally { 8251 mInjector.binderRestoreCallingIdentity(id); 8252 } 8253 } 8254 } 8255 8256 @Override 8257 public int enableSystemAppWithIntent(ComponentName who, String callerPackage, Intent intent) { 8258 synchronized (this) { 8259 // Ensure the caller is a DO/PO or an enable system app delegate. 8260 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8261 DELEGATION_ENABLE_SYSTEM_APP); 8262 8263 int userId = UserHandle.getCallingUserId(); 8264 long id = mInjector.binderClearCallingIdentity(); 8265 8266 try { 8267 int parentUserId = getProfileParentId(userId); 8268 List<ResolveInfo> activitiesToEnable = mIPackageManager 8269 .queryIntentActivities(intent, 8270 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 8271 PackageManager.MATCH_DIRECT_BOOT_AWARE 8272 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 8273 parentUserId) 8274 .getList(); 8275 8276 if (VERBOSE_LOG) { 8277 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 8278 } 8279 int numberOfAppsInstalled = 0; 8280 if (activitiesToEnable != null) { 8281 for (ResolveInfo info : activitiesToEnable) { 8282 if (info.activityInfo != null) { 8283 String packageName = info.activityInfo.packageName; 8284 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 8285 numberOfAppsInstalled++; 8286 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8287 PackageManager.INSTALL_REASON_POLICY); 8288 } else { 8289 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 8290 + " system app"); 8291 } 8292 } 8293 } 8294 } 8295 return numberOfAppsInstalled; 8296 } catch (RemoteException e) { 8297 // shouldn't happen 8298 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 8299 return 0; 8300 } finally { 8301 mInjector.binderRestoreCallingIdentity(id); 8302 } 8303 } 8304 } 8305 8306 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 8307 throws RemoteException { 8308 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 8309 userId); 8310 if (appInfo == null) { 8311 throw new IllegalArgumentException("The application " + packageName + 8312 " is not present on this device"); 8313 } 8314 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 8315 } 8316 8317 @Override 8318 public void setAccountManagementDisabled(ComponentName who, String accountType, 8319 boolean disabled) { 8320 if (!mHasFeature) { 8321 return; 8322 } 8323 Preconditions.checkNotNull(who, "ComponentName is null"); 8324 synchronized (this) { 8325 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 8326 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8327 if (disabled) { 8328 ap.accountTypesWithManagementDisabled.add(accountType); 8329 } else { 8330 ap.accountTypesWithManagementDisabled.remove(accountType); 8331 } 8332 saveSettingsLocked(UserHandle.getCallingUserId()); 8333 } 8334 } 8335 8336 @Override 8337 public String[] getAccountTypesWithManagementDisabled() { 8338 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 8339 } 8340 8341 @Override 8342 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 8343 enforceFullCrossUsersPermission(userId); 8344 if (!mHasFeature) { 8345 return null; 8346 } 8347 synchronized (this) { 8348 DevicePolicyData policy = getUserData(userId); 8349 final int N = policy.mAdminList.size(); 8350 ArraySet<String> resultSet = new ArraySet<>(); 8351 for (int i = 0; i < N; i++) { 8352 ActiveAdmin admin = policy.mAdminList.get(i); 8353 resultSet.addAll(admin.accountTypesWithManagementDisabled); 8354 } 8355 return resultSet.toArray(new String[resultSet.size()]); 8356 } 8357 } 8358 8359 @Override 8360 public void setUninstallBlocked(ComponentName who, String callerPackage, String packageName, 8361 boolean uninstallBlocked) { 8362 final int userId = UserHandle.getCallingUserId(); 8363 synchronized (this) { 8364 // Ensure the caller is a DO/PO or a block uninstall delegate 8365 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8366 DELEGATION_BLOCK_UNINSTALL); 8367 8368 long id = mInjector.binderClearCallingIdentity(); 8369 try { 8370 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 8371 } catch (RemoteException re) { 8372 // Shouldn't happen. 8373 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 8374 } finally { 8375 mInjector.binderRestoreCallingIdentity(id); 8376 } 8377 } 8378 } 8379 8380 @Override 8381 public boolean isUninstallBlocked(ComponentName who, String packageName) { 8382 // This function should return true if and only if the package is blocked by 8383 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 8384 // when the package is a system app, or when it is an active device admin. 8385 final int userId = UserHandle.getCallingUserId(); 8386 8387 synchronized (this) { 8388 if (who != null) { 8389 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8390 } 8391 8392 long id = mInjector.binderClearCallingIdentity(); 8393 try { 8394 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 8395 } catch (RemoteException re) { 8396 // Shouldn't happen. 8397 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 8398 } finally { 8399 mInjector.binderRestoreCallingIdentity(id); 8400 } 8401 } 8402 return false; 8403 } 8404 8405 @Override 8406 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 8407 if (!mHasFeature) { 8408 return; 8409 } 8410 Preconditions.checkNotNull(who, "ComponentName is null"); 8411 synchronized (this) { 8412 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8413 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8414 if (admin.disableCallerId != disabled) { 8415 admin.disableCallerId = disabled; 8416 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8417 } 8418 } 8419 } 8420 8421 @Override 8422 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 8423 if (!mHasFeature) { 8424 return false; 8425 } 8426 Preconditions.checkNotNull(who, "ComponentName is null"); 8427 synchronized (this) { 8428 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8429 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8430 return admin.disableCallerId; 8431 } 8432 } 8433 8434 @Override 8435 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 8436 enforceCrossUsersPermission(userId); 8437 synchronized (this) { 8438 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8439 return (admin != null) ? admin.disableCallerId : false; 8440 } 8441 } 8442 8443 @Override 8444 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 8445 if (!mHasFeature) { 8446 return; 8447 } 8448 Preconditions.checkNotNull(who, "ComponentName is null"); 8449 synchronized (this) { 8450 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8451 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8452 if (admin.disableContactsSearch != disabled) { 8453 admin.disableContactsSearch = disabled; 8454 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8455 } 8456 } 8457 } 8458 8459 @Override 8460 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 8461 if (!mHasFeature) { 8462 return false; 8463 } 8464 Preconditions.checkNotNull(who, "ComponentName is null"); 8465 synchronized (this) { 8466 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8467 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8468 return admin.disableContactsSearch; 8469 } 8470 } 8471 8472 @Override 8473 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 8474 enforceCrossUsersPermission(userId); 8475 synchronized (this) { 8476 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8477 return (admin != null) ? admin.disableContactsSearch : false; 8478 } 8479 } 8480 8481 @Override 8482 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 8483 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 8484 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 8485 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 8486 final int callingUserId = UserHandle.getCallingUserId(); 8487 8488 final long ident = mInjector.binderClearCallingIdentity(); 8489 try { 8490 synchronized (this) { 8491 final int managedUserId = getManagedUserId(callingUserId); 8492 if (managedUserId < 0) { 8493 return; 8494 } 8495 if (isCrossProfileQuickContactDisabled(managedUserId)) { 8496 if (VERBOSE_LOG) { 8497 Log.v(LOG_TAG, 8498 "Cross-profile contacts access disabled for user " + managedUserId); 8499 } 8500 return; 8501 } 8502 ContactsInternal.startQuickContactWithErrorToastForUser( 8503 mContext, intent, new UserHandle(managedUserId)); 8504 } 8505 } finally { 8506 mInjector.binderRestoreCallingIdentity(ident); 8507 } 8508 } 8509 8510 /** 8511 * @return true if cross-profile QuickContact is disabled 8512 */ 8513 private boolean isCrossProfileQuickContactDisabled(int userId) { 8514 return getCrossProfileCallerIdDisabledForUser(userId) 8515 && getCrossProfileContactsSearchDisabledForUser(userId); 8516 } 8517 8518 /** 8519 * @return the user ID of the managed user that is linked to the current user, if any. 8520 * Otherwise -1. 8521 */ 8522 public int getManagedUserId(int callingUserId) { 8523 if (VERBOSE_LOG) { 8524 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8525 } 8526 8527 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8528 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8529 continue; // Caller user self, or not a managed profile. Skip. 8530 } 8531 if (VERBOSE_LOG) { 8532 Log.v(LOG_TAG, "Managed user=" + ui.id); 8533 } 8534 return ui.id; 8535 } 8536 if (VERBOSE_LOG) { 8537 Log.v(LOG_TAG, "Managed user not found."); 8538 } 8539 return -1; 8540 } 8541 8542 @Override 8543 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8544 if (!mHasFeature) { 8545 return; 8546 } 8547 Preconditions.checkNotNull(who, "ComponentName is null"); 8548 synchronized (this) { 8549 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8550 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8551 if (admin.disableBluetoothContactSharing != disabled) { 8552 admin.disableBluetoothContactSharing = disabled; 8553 saveSettingsLocked(UserHandle.getCallingUserId()); 8554 } 8555 } 8556 } 8557 8558 @Override 8559 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8560 if (!mHasFeature) { 8561 return false; 8562 } 8563 Preconditions.checkNotNull(who, "ComponentName is null"); 8564 synchronized (this) { 8565 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8566 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8567 return admin.disableBluetoothContactSharing; 8568 } 8569 } 8570 8571 @Override 8572 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8573 // TODO: Should there be a check to make sure this relationship is 8574 // within a profile group? 8575 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8576 synchronized (this) { 8577 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8578 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8579 } 8580 } 8581 8582 @Override 8583 public void setLockTaskPackages(ComponentName who, String[] packages) 8584 throws SecurityException { 8585 Preconditions.checkNotNull(who, "ComponentName is null"); 8586 Preconditions.checkNotNull(packages, "packages is null"); 8587 8588 synchronized (this) { 8589 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8590 final int userHandle = mInjector.userHandleGetCallingUserId(); 8591 if (isUserAffiliatedWithDeviceLocked(userHandle)) { 8592 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8593 } else { 8594 throw new SecurityException("Admin " + who + 8595 " is neither the device owner or affiliated user's profile owner."); 8596 } 8597 } 8598 } 8599 8600 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8601 DevicePolicyData policy = getUserData(userHandle); 8602 policy.mLockTaskPackages = packages; 8603 8604 // Store the settings persistently. 8605 saveSettingsLocked(userHandle); 8606 updateLockTaskPackagesLocked(packages, userHandle); 8607 } 8608 8609 private void maybeClearLockTaskPackagesLocked() { 8610 final long ident = mInjector.binderClearCallingIdentity(); 8611 try { 8612 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 8613 for (int i = 0; i < userInfos.size(); i++) { 8614 int userId = userInfos.get(i).id; 8615 final List<String> lockTaskPackages = getUserData(userId).mLockTaskPackages; 8616 if (!lockTaskPackages.isEmpty() && 8617 !isUserAffiliatedWithDeviceLocked(userId)) { 8618 Slog.d(LOG_TAG, 8619 "User id " + userId + " not affiliated. Clearing lock task packages"); 8620 setLockTaskPackagesLocked(userId, Collections.<String>emptyList()); 8621 } 8622 } 8623 } finally { 8624 mInjector.binderRestoreCallingIdentity(ident); 8625 } 8626 } 8627 8628 @Override 8629 public String[] getLockTaskPackages(ComponentName who) { 8630 Preconditions.checkNotNull(who, "ComponentName is null"); 8631 8632 final int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8633 synchronized (this) { 8634 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8635 if (!isUserAffiliatedWithDeviceLocked(userHandle)) { 8636 throw new SecurityException("Admin " + who + 8637 " is neither the device owner or affiliated user's profile owner."); 8638 } 8639 8640 final List<String> packages = getUserData(userHandle).mLockTaskPackages; 8641 return packages.toArray(new String[packages.size()]); 8642 } 8643 } 8644 8645 @Override 8646 public boolean isLockTaskPermitted(String pkg) { 8647 final int userHandle = mInjector.userHandleGetCallingUserId(); 8648 synchronized (this) { 8649 return getUserData(userHandle).mLockTaskPackages.contains(pkg); 8650 } 8651 } 8652 8653 @Override 8654 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8655 if (!isCallerWithSystemUid()) { 8656 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8657 } 8658 synchronized (this) { 8659 final DevicePolicyData policy = getUserData(userHandle); 8660 Bundle adminExtras = new Bundle(); 8661 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8662 for (ActiveAdmin admin : policy.mAdminList) { 8663 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8664 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8665 if (ownsDevice || ownsProfile) { 8666 if (isEnabled) { 8667 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8668 adminExtras, null); 8669 } else { 8670 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8671 } 8672 } 8673 } 8674 } 8675 } 8676 8677 @Override 8678 public void setGlobalSetting(ComponentName who, String setting, String value) { 8679 Preconditions.checkNotNull(who, "ComponentName is null"); 8680 8681 synchronized (this) { 8682 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8683 8684 // Some settings are no supported any more. However we do not want to throw a 8685 // SecurityException to avoid breaking apps. 8686 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8687 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8688 return; 8689 } 8690 8691 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8692 throw new SecurityException(String.format( 8693 "Permission denial: device owners cannot update %1$s", setting)); 8694 } 8695 8696 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8697 // ignore if it contradicts an existing policy 8698 long timeMs = getMaximumTimeToLock( 8699 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8700 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8701 return; 8702 } 8703 } 8704 8705 long id = mInjector.binderClearCallingIdentity(); 8706 try { 8707 mInjector.settingsGlobalPutString(setting, value); 8708 } finally { 8709 mInjector.binderRestoreCallingIdentity(id); 8710 } 8711 } 8712 } 8713 8714 @Override 8715 public void setSecureSetting(ComponentName who, String setting, String value) { 8716 Preconditions.checkNotNull(who, "ComponentName is null"); 8717 int callingUserId = mInjector.userHandleGetCallingUserId(); 8718 8719 synchronized (this) { 8720 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8721 8722 if (isDeviceOwner(who, callingUserId)) { 8723 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8724 throw new SecurityException(String.format( 8725 "Permission denial: Device owners cannot update %1$s", setting)); 8726 } 8727 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8728 throw new SecurityException(String.format( 8729 "Permission denial: Profile owners cannot update %1$s", setting)); 8730 } 8731 8732 long id = mInjector.binderClearCallingIdentity(); 8733 try { 8734 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8735 } finally { 8736 mInjector.binderRestoreCallingIdentity(id); 8737 } 8738 } 8739 } 8740 8741 @Override 8742 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8743 Preconditions.checkNotNull(who, "ComponentName is null"); 8744 synchronized (this) { 8745 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8746 setUserRestriction(who, UserManager.DISALLOW_UNMUTE_DEVICE, on); 8747 } 8748 } 8749 8750 @Override 8751 public boolean isMasterVolumeMuted(ComponentName who) { 8752 Preconditions.checkNotNull(who, "ComponentName is null"); 8753 synchronized (this) { 8754 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8755 8756 AudioManager audioManager = 8757 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8758 return audioManager.isMasterMute(); 8759 } 8760 } 8761 8762 @Override 8763 public void setUserIcon(ComponentName who, Bitmap icon) { 8764 synchronized (this) { 8765 Preconditions.checkNotNull(who, "ComponentName is null"); 8766 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8767 8768 int userId = UserHandle.getCallingUserId(); 8769 long id = mInjector.binderClearCallingIdentity(); 8770 try { 8771 mUserManagerInternal.setUserIcon(userId, icon); 8772 } finally { 8773 mInjector.binderRestoreCallingIdentity(id); 8774 } 8775 } 8776 } 8777 8778 @Override 8779 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8780 Preconditions.checkNotNull(who, "ComponentName is null"); 8781 synchronized (this) { 8782 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8783 } 8784 final int userId = UserHandle.getCallingUserId(); 8785 8786 long ident = mInjector.binderClearCallingIdentity(); 8787 try { 8788 // disallow disabling the keyguard if a password is currently set 8789 if (disabled && mLockPatternUtils.isSecure(userId)) { 8790 return false; 8791 } 8792 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8793 } finally { 8794 mInjector.binderRestoreCallingIdentity(ident); 8795 } 8796 return true; 8797 } 8798 8799 @Override 8800 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8801 int userId = UserHandle.getCallingUserId(); 8802 synchronized (this) { 8803 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8804 DevicePolicyData policy = getUserData(userId); 8805 if (policy.mStatusBarDisabled != disabled) { 8806 if (!setStatusBarDisabledInternal(disabled, userId)) { 8807 return false; 8808 } 8809 policy.mStatusBarDisabled = disabled; 8810 saveSettingsLocked(userId); 8811 } 8812 } 8813 return true; 8814 } 8815 8816 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8817 long ident = mInjector.binderClearCallingIdentity(); 8818 try { 8819 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8820 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8821 if (statusBarService != null) { 8822 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8823 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8824 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8825 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8826 return true; 8827 } 8828 } catch (RemoteException e) { 8829 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8830 } finally { 8831 mInjector.binderRestoreCallingIdentity(ident); 8832 } 8833 return false; 8834 } 8835 8836 /** 8837 * We need to update the internal state of whether a user has completed setup or a 8838 * device has paired once. After that, we ignore any changes that reset the 8839 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 8840 * as we don't trust any apps that might try to reset them. 8841 * <p> 8842 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8843 * them. 8844 */ 8845 void updateUserSetupCompleteAndPaired() { 8846 List<UserInfo> users = mUserManager.getUsers(true); 8847 final int N = users.size(); 8848 for (int i = 0; i < N; i++) { 8849 int userHandle = users.get(i).id; 8850 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8851 userHandle) != 0) { 8852 DevicePolicyData policy = getUserData(userHandle); 8853 if (!policy.mUserSetupComplete) { 8854 policy.mUserSetupComplete = true; 8855 synchronized (this) { 8856 saveSettingsLocked(userHandle); 8857 } 8858 } 8859 } 8860 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 8861 userHandle) != 0) { 8862 DevicePolicyData policy = getUserData(userHandle); 8863 if (!policy.mPaired) { 8864 policy.mPaired = true; 8865 synchronized (this) { 8866 saveSettingsLocked(userHandle); 8867 } 8868 } 8869 } 8870 } 8871 } 8872 8873 private class SetupContentObserver extends ContentObserver { 8874 8875 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8876 Settings.Secure.USER_SETUP_COMPLETE); 8877 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8878 Settings.Global.DEVICE_PROVISIONED); 8879 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 8880 8881 public SetupContentObserver(Handler handler) { 8882 super(handler); 8883 } 8884 8885 void register() { 8886 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8887 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8888 if (mIsWatch) { 8889 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 8890 } 8891 } 8892 8893 @Override 8894 public void onChange(boolean selfChange, Uri uri) { 8895 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 8896 updateUserSetupCompleteAndPaired(); 8897 } else if (mDeviceProvisioned.equals(uri)) { 8898 synchronized (DevicePolicyManagerService.this) { 8899 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8900 // is delayed until device is marked as provisioned. 8901 setDeviceOwnerSystemPropertyLocked(); 8902 } 8903 } 8904 } 8905 } 8906 8907 @VisibleForTesting 8908 final class LocalService extends DevicePolicyManagerInternal { 8909 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8910 8911 @Override 8912 public List<String> getCrossProfileWidgetProviders(int profileId) { 8913 synchronized (DevicePolicyManagerService.this) { 8914 if (mOwners == null) { 8915 return Collections.emptyList(); 8916 } 8917 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8918 if (ownerComponent == null) { 8919 return Collections.emptyList(); 8920 } 8921 8922 DevicePolicyData policy = getUserDataUnchecked(profileId); 8923 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8924 8925 if (admin == null || admin.crossProfileWidgetProviders == null 8926 || admin.crossProfileWidgetProviders.isEmpty()) { 8927 return Collections.emptyList(); 8928 } 8929 8930 return admin.crossProfileWidgetProviders; 8931 } 8932 } 8933 8934 @Override 8935 public void addOnCrossProfileWidgetProvidersChangeListener( 8936 OnCrossProfileWidgetProvidersChangeListener listener) { 8937 synchronized (DevicePolicyManagerService.this) { 8938 if (mWidgetProviderListeners == null) { 8939 mWidgetProviderListeners = new ArrayList<>(); 8940 } 8941 if (!mWidgetProviderListeners.contains(listener)) { 8942 mWidgetProviderListeners.add(listener); 8943 } 8944 } 8945 } 8946 8947 @Override 8948 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8949 synchronized(DevicePolicyManagerService.this) { 8950 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8951 } 8952 } 8953 8954 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8955 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8956 synchronized (DevicePolicyManagerService.this) { 8957 listeners = new ArrayList<>(mWidgetProviderListeners); 8958 } 8959 final int listenerCount = listeners.size(); 8960 for (int i = 0; i < listenerCount; i++) { 8961 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8962 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8963 } 8964 } 8965 8966 @Override 8967 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 8968 // This method is called from AM with its lock held, so don't take the DPMS lock. 8969 // b/29242568 8970 8971 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8972 if (profileOwner != null) { 8973 return DevicePolicyManagerService.this 8974 .createShowAdminSupportIntent(profileOwner, userId); 8975 } 8976 8977 final Pair<Integer, ComponentName> deviceOwner = 8978 mOwners.getDeviceOwnerUserIdAndComponent(); 8979 if (deviceOwner != null && deviceOwner.first == userId) { 8980 return DevicePolicyManagerService.this 8981 .createShowAdminSupportIntent(deviceOwner.second, userId); 8982 } 8983 8984 // We're not specifying the device admin because there isn't one. 8985 if (useDefaultIfNoAdmin) { 8986 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 8987 } 8988 return null; 8989 } 8990 8991 @Override 8992 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 8993 int source; 8994 long ident = mInjector.binderClearCallingIdentity(); 8995 try { 8996 source = mUserManager.getUserRestrictionSource(userRestriction, 8997 UserHandle.of(userId)); 8998 } finally { 8999 mInjector.binderRestoreCallingIdentity(ident); 9000 } 9001 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 9002 /* 9003 * In this case, the user restriction is enforced by the system. 9004 * So we won't show an admin support intent, even if it is also 9005 * enforced by a profile/device owner. 9006 */ 9007 return null; 9008 } 9009 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 9010 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 9011 if (enforcedByDo && enforcedByPo) { 9012 // In this case, we'll show an admin support dialog that does not 9013 // specify the admin. 9014 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 9015 } else if (enforcedByPo) { 9016 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 9017 if (profileOwner != null) { 9018 return DevicePolicyManagerService.this 9019 .createShowAdminSupportIntent(profileOwner, userId); 9020 } 9021 // This could happen if another thread has changed the profile owner since we called 9022 // getUserRestrictionSource 9023 return null; 9024 } else if (enforcedByDo) { 9025 final Pair<Integer, ComponentName> deviceOwner 9026 = mOwners.getDeviceOwnerUserIdAndComponent(); 9027 if (deviceOwner != null) { 9028 return DevicePolicyManagerService.this 9029 .createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 9030 } 9031 // This could happen if another thread has changed the device owner since we called 9032 // getUserRestrictionSource 9033 return null; 9034 } 9035 return null; 9036 } 9037 } 9038 9039 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 9040 // This method is called with AMS lock held, so don't take DPMS lock 9041 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 9042 intent.putExtra(Intent.EXTRA_USER_ID, userId); 9043 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 9044 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9045 return intent; 9046 } 9047 9048 @Override 9049 public Intent createAdminSupportIntent(String restriction) { 9050 Preconditions.checkNotNull(restriction); 9051 final int uid = mInjector.binderGetCallingUid(); 9052 final int userId = UserHandle.getUserId(uid); 9053 Intent intent = null; 9054 if (DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction) || 9055 DevicePolicyManager.POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction)) { 9056 synchronized(this) { 9057 final DevicePolicyData policy = getUserData(userId); 9058 final int N = policy.mAdminList.size(); 9059 for (int i = 0; i < N; i++) { 9060 final ActiveAdmin admin = policy.mAdminList.get(i); 9061 if ((admin.disableCamera && 9062 DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) || 9063 (admin.disableScreenCapture && DevicePolicyManager 9064 .POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction))) { 9065 intent = createShowAdminSupportIntent(admin.info.getComponent(), userId); 9066 break; 9067 } 9068 } 9069 // For the camera, a device owner on a different user can disable it globally, 9070 // so we need an additional check. 9071 if (intent == null 9072 && DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) { 9073 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 9074 if (admin != null && admin.disableCamera) { 9075 intent = createShowAdminSupportIntent(admin.info.getComponent(), 9076 mOwners.getDeviceOwnerUserId()); 9077 } 9078 } 9079 } 9080 } else { 9081 // if valid, |restriction| can only be a user restriction 9082 intent = mLocalService.createUserRestrictionSupportIntent(userId, restriction); 9083 } 9084 if (intent != null) { 9085 intent.putExtra(DevicePolicyManager.EXTRA_RESTRICTION, restriction); 9086 } 9087 return intent; 9088 } 9089 9090 /** 9091 * Returns true if specified admin is allowed to limit passwords and has a 9092 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 9093 */ 9094 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 9095 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 9096 return false; 9097 } 9098 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 9099 } 9100 9101 @Override 9102 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 9103 if (policy != null && !policy.isValid()) { 9104 throw new IllegalArgumentException("Invalid system update policy."); 9105 } 9106 synchronized (this) { 9107 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9108 if (policy == null) { 9109 mOwners.clearSystemUpdatePolicy(); 9110 } else { 9111 mOwners.setSystemUpdatePolicy(policy); 9112 } 9113 mOwners.writeDeviceOwner(); 9114 } 9115 mContext.sendBroadcastAsUser( 9116 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 9117 UserHandle.SYSTEM); 9118 } 9119 9120 @Override 9121 public SystemUpdatePolicy getSystemUpdatePolicy() { 9122 if (UserManager.isDeviceInDemoMode(mContext)) { 9123 // Pretending to have an automatic update policy when the device is in retail demo 9124 // mode. This will allow the device to download and install an ota without 9125 // any user interaction. 9126 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 9127 } 9128 synchronized (this) { 9129 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 9130 if (policy != null && !policy.isValid()) { 9131 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 9132 return null; 9133 } 9134 return policy; 9135 } 9136 } 9137 9138 /** 9139 * Checks if the caller of the method is the device owner app. 9140 * 9141 * @param callerUid UID of the caller. 9142 * @return true if the caller is the device owner app 9143 */ 9144 @VisibleForTesting 9145 boolean isCallerDeviceOwner(int callerUid) { 9146 synchronized (this) { 9147 if (!mOwners.hasDeviceOwner()) { 9148 return false; 9149 } 9150 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 9151 return false; 9152 } 9153 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 9154 .getPackageName(); 9155 final String[] pkgs = mInjector.getPackageManager().getPackagesForUid(callerUid); 9156 9157 for (String pkg : pkgs) { 9158 if (deviceOwnerPackageName.equals(pkg)) { 9159 return true; 9160 } 9161 } 9162 } 9163 9164 return false; 9165 } 9166 9167 @Override 9168 public void notifyPendingSystemUpdate(@Nullable SystemUpdateInfo info) { 9169 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 9170 "Only the system update service can broadcast update information"); 9171 9172 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 9173 Slog.w(LOG_TAG, "Only the system update service in the system user " + 9174 "can broadcast update information."); 9175 return; 9176 } 9177 9178 if (!mOwners.saveSystemUpdateInfo(info)) { 9179 // Pending system update hasn't changed, don't send duplicate notification. 9180 return; 9181 } 9182 9183 final Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE) 9184 .putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 9185 info == null ? -1 : info.getReceivedTime()); 9186 9187 final long ident = mInjector.binderClearCallingIdentity(); 9188 try { 9189 synchronized (this) { 9190 // Broadcast to device owner first if there is one. 9191 if (mOwners.hasDeviceOwner()) { 9192 final UserHandle deviceOwnerUser = 9193 UserHandle.of(mOwners.getDeviceOwnerUserId()); 9194 intent.setComponent(mOwners.getDeviceOwnerComponent()); 9195 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 9196 } 9197 } 9198 // Get running users. 9199 final int runningUserIds[]; 9200 try { 9201 runningUserIds = mInjector.getIActivityManager().getRunningUserIds(); 9202 } catch (RemoteException e) { 9203 // Shouldn't happen. 9204 Log.e(LOG_TAG, "Could not retrieve the list of running users", e); 9205 return; 9206 } 9207 // Send broadcasts to corresponding profile owners if any. 9208 for (final int userId : runningUserIds) { 9209 synchronized (this) { 9210 final ComponentName profileOwnerPackage = 9211 mOwners.getProfileOwnerComponent(userId); 9212 if (profileOwnerPackage != null) { 9213 intent.setComponent(profileOwnerPackage); 9214 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 9215 } 9216 } 9217 } 9218 } finally { 9219 mInjector.binderRestoreCallingIdentity(ident); 9220 } 9221 } 9222 9223 @Override 9224 public SystemUpdateInfo getPendingSystemUpdate(ComponentName admin) { 9225 Preconditions.checkNotNull(admin, "ComponentName is null"); 9226 enforceProfileOrDeviceOwner(admin); 9227 9228 return mOwners.getSystemUpdateInfo(); 9229 } 9230 9231 @Override 9232 public void setPermissionPolicy(ComponentName admin, String callerPackage, int policy) 9233 throws RemoteException { 9234 int userId = UserHandle.getCallingUserId(); 9235 synchronized (this) { 9236 // Ensure the caller is a DO/PO or a permission grant state delegate. 9237 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9238 DELEGATION_PERMISSION_GRANT); 9239 DevicePolicyData userPolicy = getUserData(userId); 9240 if (userPolicy.mPermissionPolicy != policy) { 9241 userPolicy.mPermissionPolicy = policy; 9242 saveSettingsLocked(userId); 9243 } 9244 } 9245 } 9246 9247 @Override 9248 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 9249 int userId = UserHandle.getCallingUserId(); 9250 synchronized (this) { 9251 DevicePolicyData userPolicy = getUserData(userId); 9252 return userPolicy.mPermissionPolicy; 9253 } 9254 } 9255 9256 @Override 9257 public boolean setPermissionGrantState(ComponentName admin, String callerPackage, 9258 String packageName, String permission, int grantState) throws RemoteException { 9259 UserHandle user = mInjector.binderGetCallingUserHandle(); 9260 synchronized (this) { 9261 // Ensure the caller is a DO/PO or a permission grant state delegate. 9262 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9263 DELEGATION_PERMISSION_GRANT); 9264 long ident = mInjector.binderClearCallingIdentity(); 9265 try { 9266 if (getTargetSdk(packageName, user.getIdentifier()) 9267 < android.os.Build.VERSION_CODES.M) { 9268 return false; 9269 } 9270 final PackageManager packageManager = mInjector.getPackageManager(); 9271 switch (grantState) { 9272 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 9273 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 9274 permission, user.getIdentifier(), true /* override policy */); 9275 packageManager.updatePermissionFlags(permission, packageName, 9276 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9277 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9278 } break; 9279 9280 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 9281 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 9282 permission, user.getIdentifier(), true /* override policy */); 9283 packageManager.updatePermissionFlags(permission, packageName, 9284 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9285 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9286 } break; 9287 9288 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 9289 packageManager.updatePermissionFlags(permission, packageName, 9290 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 9291 } break; 9292 } 9293 return true; 9294 } catch (SecurityException se) { 9295 return false; 9296 } finally { 9297 mInjector.binderRestoreCallingIdentity(ident); 9298 } 9299 } 9300 } 9301 9302 @Override 9303 public int getPermissionGrantState(ComponentName admin, String callerPackage, 9304 String packageName, String permission) throws RemoteException { 9305 PackageManager packageManager = mInjector.getPackageManager(); 9306 9307 UserHandle user = mInjector.binderGetCallingUserHandle(); 9308 if (!isCallerWithSystemUid()) { 9309 // Ensure the caller is a DO/PO or a permission grant state delegate. 9310 enforceCanManageScope(admin, callerPackage, 9311 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, DELEGATION_PERMISSION_GRANT); 9312 } 9313 synchronized (this) { 9314 long ident = mInjector.binderClearCallingIdentity(); 9315 try { 9316 int granted = mIPackageManager.checkPermission(permission, 9317 packageName, user.getIdentifier()); 9318 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 9319 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 9320 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 9321 // Not controlled by policy 9322 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 9323 } else { 9324 // Policy controlled so return result based on permission grant state 9325 return granted == PackageManager.PERMISSION_GRANTED 9326 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 9327 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 9328 } 9329 } finally { 9330 mInjector.binderRestoreCallingIdentity(ident); 9331 } 9332 } 9333 } 9334 9335 boolean isPackageInstalledForUser(String packageName, int userHandle) { 9336 try { 9337 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 9338 userHandle); 9339 return (pi != null) && (pi.applicationInfo.flags != 0); 9340 } catch (RemoteException re) { 9341 throw new RuntimeException("Package manager has died", re); 9342 } 9343 } 9344 9345 @Override 9346 public boolean isProvisioningAllowed(String action, String packageName) { 9347 Preconditions.checkNotNull(packageName); 9348 9349 final int callingUid = mInjector.binderGetCallingUid(); 9350 final long ident = mInjector.binderClearCallingIdentity(); 9351 try { 9352 final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( 9353 packageName, UserHandle.getUserId(callingUid)); 9354 Preconditions.checkArgument(callingUid == uidForPackage, 9355 "Caller uid doesn't match the one for the provided package."); 9356 } catch (NameNotFoundException e) { 9357 throw new IllegalArgumentException("Invalid package provided " + packageName, e); 9358 } finally { 9359 mInjector.binderRestoreCallingIdentity(ident); 9360 } 9361 9362 return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; 9363 } 9364 9365 @Override 9366 public int checkProvisioningPreCondition(String action, String packageName) { 9367 Preconditions.checkNotNull(packageName); 9368 enforceCanManageProfileAndDeviceOwners(); 9369 return checkProvisioningPreConditionSkipPermission(action, packageName); 9370 } 9371 9372 private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { 9373 if (!mHasFeature) { 9374 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 9375 } 9376 9377 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9378 if (action != null) { 9379 switch (action) { 9380 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 9381 return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); 9382 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 9383 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9384 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 9385 return checkManagedUserProvisioningPreCondition(callingUserId); 9386 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 9387 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 9388 } 9389 } 9390 throw new IllegalArgumentException("Unknown provisioning action " + action); 9391 } 9392 9393 /** 9394 * The device owner can only be set before the setup phase of the primary user has completed, 9395 * except for adb command if no accounts or additional users are present on the device. 9396 */ 9397 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 9398 int deviceOwnerUserId, boolean isAdb, boolean hasIncompatibleAccountsOrNonAdb) { 9399 if (mOwners.hasDeviceOwner()) { 9400 return CODE_HAS_DEVICE_OWNER; 9401 } 9402 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 9403 return CODE_USER_HAS_PROFILE_OWNER; 9404 } 9405 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 9406 return CODE_USER_NOT_RUNNING; 9407 } 9408 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9409 return CODE_HAS_PAIRED; 9410 } 9411 if (isAdb) { 9412 // if shell command runs after user setup completed check device status. Otherwise, OK. 9413 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9414 if (!mInjector.userManagerIsSplitSystemUser()) { 9415 if (mUserManager.getUserCount() > 1) { 9416 return CODE_NONSYSTEM_USER_EXISTS; 9417 } 9418 if (hasIncompatibleAccountsOrNonAdb) { 9419 return CODE_ACCOUNTS_NOT_EMPTY; 9420 } 9421 } else { 9422 // STOPSHIP Do proper check in split user mode 9423 } 9424 } 9425 return CODE_OK; 9426 } else { 9427 if (!mInjector.userManagerIsSplitSystemUser()) { 9428 // In non-split user mode, DO has to be user 0 9429 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 9430 return CODE_NOT_SYSTEM_USER; 9431 } 9432 // In non-split user mode, only provision DO before setup wizard completes 9433 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9434 return CODE_USER_SETUP_COMPLETED; 9435 } 9436 } else { 9437 // STOPSHIP Do proper check in split user mode 9438 } 9439 return CODE_OK; 9440 } 9441 } 9442 9443 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 9444 synchronized (this) { 9445 // hasIncompatibleAccountsOrNonAdb doesn't matter since the caller is not adb. 9446 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 9447 deviceOwnerUserId, /* isAdb= */ false, 9448 /* hasIncompatibleAccountsOrNonAdb=*/ true); 9449 } 9450 } 9451 9452 private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { 9453 if (!hasFeatureManagedUsers()) { 9454 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9455 } 9456 if (callingUserId == UserHandle.USER_SYSTEM 9457 && mInjector.userManagerIsSplitSystemUser()) { 9458 // Managed-profiles cannot be setup on the system user. 9459 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 9460 } 9461 if (getProfileOwner(callingUserId) != null) { 9462 // Managed user cannot have a managed profile. 9463 return CODE_USER_HAS_PROFILE_OWNER; 9464 } 9465 9466 final long ident = mInjector.binderClearCallingIdentity(); 9467 try { 9468 final UserHandle callingUserHandle = UserHandle.of(callingUserId); 9469 final ComponentName ownerAdmin = getOwnerComponent(packageName, callingUserId); 9470 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_MANAGED_PROFILE, 9471 callingUserHandle)) { 9472 // An admin can initiate provisioning if it has set the restriction. 9473 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9474 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { 9475 return CODE_ADD_MANAGED_PROFILE_DISALLOWED; 9476 } 9477 } 9478 boolean canRemoveProfile = true; 9479 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9480 callingUserHandle)) { 9481 // We can remove a profile if the admin itself has set the restriction. 9482 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9483 UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9484 callingUserId)) { 9485 canRemoveProfile = false; 9486 } 9487 } 9488 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 9489 return CODE_CANNOT_ADD_MANAGED_PROFILE; 9490 } 9491 } finally { 9492 mInjector.binderRestoreCallingIdentity(ident); 9493 } 9494 return CODE_OK; 9495 } 9496 9497 private ComponentName getOwnerComponent(String packageName, int userId) { 9498 if (isDeviceOwnerPackage(packageName, userId)) { 9499 return mOwners.getDeviceOwnerComponent(); 9500 } 9501 if (isProfileOwnerPackage(packageName, userId)) { 9502 return mOwners.getProfileOwnerComponent(userId); 9503 } 9504 return null; 9505 } 9506 9507 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 9508 if (!hasFeatureManagedUsers()) { 9509 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9510 } 9511 if (!mInjector.userManagerIsSplitSystemUser()) { 9512 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 9513 return CODE_NOT_SYSTEM_USER_SPLIT; 9514 } 9515 if (callingUserId == UserHandle.USER_SYSTEM) { 9516 // System user cannot be a managed user. 9517 return CODE_SYSTEM_USER; 9518 } 9519 if (hasUserSetupCompleted(callingUserId)) { 9520 return CODE_USER_SETUP_COMPLETED; 9521 } 9522 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9523 return CODE_HAS_PAIRED; 9524 } 9525 return CODE_OK; 9526 } 9527 9528 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 9529 if (!mInjector.userManagerIsSplitSystemUser()) { 9530 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 9531 return CODE_NOT_SYSTEM_USER_SPLIT; 9532 } 9533 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9534 } 9535 9536 private boolean hasFeatureManagedUsers() { 9537 try { 9538 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 9539 } catch (RemoteException e) { 9540 return false; 9541 } 9542 } 9543 9544 @Override 9545 public String getWifiMacAddress(ComponentName admin) { 9546 // Make sure caller has DO. 9547 synchronized (this) { 9548 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9549 } 9550 9551 final long ident = mInjector.binderClearCallingIdentity(); 9552 try { 9553 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 9554 if (wifiInfo == null) { 9555 return null; 9556 } 9557 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 9558 } finally { 9559 mInjector.binderRestoreCallingIdentity(ident); 9560 } 9561 } 9562 9563 /** 9564 * Returns the target sdk version number that the given packageName was built for 9565 * in the given user. 9566 */ 9567 private int getTargetSdk(String packageName, int userId) { 9568 final ApplicationInfo ai; 9569 try { 9570 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 9571 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 9572 return targetSdkVersion; 9573 } catch (RemoteException e) { 9574 // Shouldn't happen 9575 return 0; 9576 } 9577 } 9578 9579 @Override 9580 public boolean isManagedProfile(ComponentName admin) { 9581 enforceProfileOrDeviceOwner(admin); 9582 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 9583 } 9584 9585 @Override 9586 public boolean isSystemOnlyUser(ComponentName admin) { 9587 synchronized (this) { 9588 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9589 } 9590 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9591 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 9592 } 9593 9594 @Override 9595 public void reboot(ComponentName admin) { 9596 Preconditions.checkNotNull(admin); 9597 // Make sure caller has DO. 9598 synchronized (this) { 9599 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9600 } 9601 long ident = mInjector.binderClearCallingIdentity(); 9602 try { 9603 // Make sure there are no ongoing calls on the device. 9604 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 9605 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 9606 } 9607 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 9608 } finally { 9609 mInjector.binderRestoreCallingIdentity(ident); 9610 } 9611 } 9612 9613 @Override 9614 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9615 if (!mHasFeature) { 9616 return; 9617 } 9618 Preconditions.checkNotNull(who, "ComponentName is null"); 9619 final int userHandle = mInjector.userHandleGetCallingUserId(); 9620 synchronized (this) { 9621 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9622 mInjector.binderGetCallingUid()); 9623 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9624 admin.shortSupportMessage = message; 9625 saveSettingsLocked(userHandle); 9626 } 9627 } 9628 } 9629 9630 @Override 9631 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9632 if (!mHasFeature) { 9633 return null; 9634 } 9635 Preconditions.checkNotNull(who, "ComponentName is null"); 9636 synchronized (this) { 9637 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9638 mInjector.binderGetCallingUid()); 9639 return admin.shortSupportMessage; 9640 } 9641 } 9642 9643 @Override 9644 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9645 if (!mHasFeature) { 9646 return; 9647 } 9648 Preconditions.checkNotNull(who, "ComponentName is null"); 9649 final int userHandle = mInjector.userHandleGetCallingUserId(); 9650 synchronized (this) { 9651 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9652 mInjector.binderGetCallingUid()); 9653 if (!TextUtils.equals(admin.longSupportMessage, message)) { 9654 admin.longSupportMessage = message; 9655 saveSettingsLocked(userHandle); 9656 } 9657 } 9658 } 9659 9660 @Override 9661 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 9662 if (!mHasFeature) { 9663 return null; 9664 } 9665 Preconditions.checkNotNull(who, "ComponentName is null"); 9666 synchronized (this) { 9667 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9668 mInjector.binderGetCallingUid()); 9669 return admin.longSupportMessage; 9670 } 9671 } 9672 9673 @Override 9674 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9675 if (!mHasFeature) { 9676 return null; 9677 } 9678 Preconditions.checkNotNull(who, "ComponentName is null"); 9679 if (!isCallerWithSystemUid()) { 9680 throw new SecurityException("Only the system can query support message for user"); 9681 } 9682 synchronized (this) { 9683 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9684 if (admin != null) { 9685 return admin.shortSupportMessage; 9686 } 9687 } 9688 return null; 9689 } 9690 9691 @Override 9692 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9693 if (!mHasFeature) { 9694 return null; 9695 } 9696 Preconditions.checkNotNull(who, "ComponentName is null"); 9697 if (!isCallerWithSystemUid()) { 9698 throw new SecurityException("Only the system can query support message for user"); 9699 } 9700 synchronized (this) { 9701 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9702 if (admin != null) { 9703 return admin.longSupportMessage; 9704 } 9705 } 9706 return null; 9707 } 9708 9709 @Override 9710 public void setOrganizationColor(@NonNull ComponentName who, int color) { 9711 if (!mHasFeature) { 9712 return; 9713 } 9714 Preconditions.checkNotNull(who, "ComponentName is null"); 9715 final int userHandle = mInjector.userHandleGetCallingUserId(); 9716 enforceManagedProfile(userHandle, "set organization color"); 9717 synchronized (this) { 9718 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9719 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9720 admin.organizationColor = color; 9721 saveSettingsLocked(userHandle); 9722 } 9723 } 9724 9725 @Override 9726 public void setOrganizationColorForUser(int color, int userId) { 9727 if (!mHasFeature) { 9728 return; 9729 } 9730 enforceFullCrossUsersPermission(userId); 9731 enforceManageUsers(); 9732 enforceManagedProfile(userId, "set organization color"); 9733 synchronized (this) { 9734 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 9735 admin.organizationColor = color; 9736 saveSettingsLocked(userId); 9737 } 9738 } 9739 9740 @Override 9741 public int getOrganizationColor(@NonNull ComponentName who) { 9742 if (!mHasFeature) { 9743 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9744 } 9745 Preconditions.checkNotNull(who, "ComponentName is null"); 9746 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 9747 synchronized (this) { 9748 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9749 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9750 return admin.organizationColor; 9751 } 9752 } 9753 9754 @Override 9755 public int getOrganizationColorForUser(int userHandle) { 9756 if (!mHasFeature) { 9757 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9758 } 9759 enforceFullCrossUsersPermission(userHandle); 9760 enforceManagedProfile(userHandle, "get organization color"); 9761 synchronized (this) { 9762 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9763 return (profileOwner != null) 9764 ? profileOwner.organizationColor 9765 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 9766 } 9767 } 9768 9769 @Override 9770 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 9771 if (!mHasFeature) { 9772 return; 9773 } 9774 Preconditions.checkNotNull(who, "ComponentName is null"); 9775 final int userHandle = mInjector.userHandleGetCallingUserId(); 9776 9777 synchronized (this) { 9778 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9779 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9780 if (!TextUtils.equals(admin.organizationName, text)) { 9781 admin.organizationName = (text == null || text.length() == 0) 9782 ? null : text.toString(); 9783 saveSettingsLocked(userHandle); 9784 } 9785 } 9786 } 9787 9788 @Override 9789 public CharSequence getOrganizationName(@NonNull ComponentName who) { 9790 if (!mHasFeature) { 9791 return null; 9792 } 9793 Preconditions.checkNotNull(who, "ComponentName is null"); 9794 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 9795 synchronized(this) { 9796 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9797 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9798 return admin.organizationName; 9799 } 9800 } 9801 9802 @Override 9803 public CharSequence getDeviceOwnerOrganizationName() { 9804 if (!mHasFeature) { 9805 return null; 9806 } 9807 enforceDeviceOwnerOrManageUsers(); 9808 synchronized(this) { 9809 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 9810 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 9811 } 9812 } 9813 9814 @Override 9815 public CharSequence getOrganizationNameForUser(int userHandle) { 9816 if (!mHasFeature) { 9817 return null; 9818 } 9819 enforceFullCrossUsersPermission(userHandle); 9820 enforceManagedProfile(userHandle, "get organization name"); 9821 synchronized (this) { 9822 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9823 return (profileOwner != null) 9824 ? profileOwner.organizationName 9825 : null; 9826 } 9827 } 9828 9829 @Override 9830 public void setAffiliationIds(ComponentName admin, List<String> ids) { 9831 if (!mHasFeature) { 9832 return; 9833 } 9834 9835 Preconditions.checkNotNull(admin); 9836 Preconditions.checkCollectionElementsNotNull(ids, "ids"); 9837 9838 final Set<String> affiliationIds = new ArraySet<String>(ids); 9839 Preconditions.checkArgument( 9840 !affiliationIds.contains(""), "ids must not contain empty strings"); 9841 9842 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9843 synchronized (this) { 9844 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9845 getUserData(callingUserId).mAffiliationIds = affiliationIds; 9846 saveSettingsLocked(callingUserId); 9847 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 9848 // Affiliation ids specified by the device owner are additionally stored in 9849 // UserHandle.USER_SYSTEM's DevicePolicyData. 9850 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 9851 saveSettingsLocked(UserHandle.USER_SYSTEM); 9852 } 9853 9854 // Affiliation status for any user, not just the calling user, might have changed. 9855 // The device owner user will still be affiliated after changing its affiliation ids, 9856 // but as a result of that other users might become affiliated or un-affiliated. 9857 maybePauseDeviceWideLoggingLocked(); 9858 maybeResumeDeviceWideLoggingLocked(); 9859 maybeClearLockTaskPackagesLocked(); 9860 } 9861 } 9862 9863 @Override 9864 public List<String> getAffiliationIds(ComponentName admin) { 9865 if (!mHasFeature) { 9866 return Collections.emptyList(); 9867 } 9868 9869 Preconditions.checkNotNull(admin); 9870 synchronized (this) { 9871 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9872 return new ArrayList<String>( 9873 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 9874 } 9875 } 9876 9877 @Override 9878 public boolean isAffiliatedUser() { 9879 if (!mHasFeature) { 9880 return false; 9881 } 9882 9883 synchronized (this) { 9884 return isUserAffiliatedWithDeviceLocked(mInjector.userHandleGetCallingUserId()); 9885 } 9886 } 9887 9888 private boolean isUserAffiliatedWithDeviceLocked(int userId) { 9889 if (!mOwners.hasDeviceOwner()) { 9890 return false; 9891 } 9892 if (userId == mOwners.getDeviceOwnerUserId()) { 9893 // The user that the DO is installed on is always affiliated with the device. 9894 return true; 9895 } 9896 if (userId == UserHandle.USER_SYSTEM) { 9897 // The system user is always affiliated in a DO device, even if the DO is set on a 9898 // different user. This could be the case if the DO is set in the primary user 9899 // of a split user device. 9900 return true; 9901 } 9902 final ComponentName profileOwner = getProfileOwner(userId); 9903 if (profileOwner == null) { 9904 return false; 9905 } 9906 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 9907 final Set<String> deviceAffiliationIds = 9908 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 9909 for (String id : userAffiliationIds) { 9910 if (deviceAffiliationIds.contains(id)) { 9911 return true; 9912 } 9913 } 9914 return false; 9915 } 9916 9917 private boolean areAllUsersAffiliatedWithDeviceLocked() { 9918 final long ident = mInjector.binderClearCallingIdentity(); 9919 try { 9920 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 9921 for (int i = 0; i < userInfos.size(); i++) { 9922 int userId = userInfos.get(i).id; 9923 if (!isUserAffiliatedWithDeviceLocked(userId)) { 9924 Slog.d(LOG_TAG, "User id " + userId + " not affiliated."); 9925 return false; 9926 } 9927 } 9928 } finally { 9929 mInjector.binderRestoreCallingIdentity(ident); 9930 } 9931 9932 return true; 9933 } 9934 9935 @Override 9936 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 9937 if (!mHasFeature) { 9938 return; 9939 } 9940 Preconditions.checkNotNull(admin); 9941 9942 synchronized (this) { 9943 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9944 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 9945 return; 9946 } 9947 mInjector.securityLogSetLoggingEnabledProperty(enabled); 9948 if (enabled) { 9949 mSecurityLogMonitor.start(); 9950 maybePauseDeviceWideLoggingLocked(); 9951 } else { 9952 mSecurityLogMonitor.stop(); 9953 } 9954 } 9955 } 9956 9957 @Override 9958 public boolean isSecurityLoggingEnabled(ComponentName admin) { 9959 if (!mHasFeature) { 9960 return false; 9961 } 9962 9963 Preconditions.checkNotNull(admin); 9964 synchronized (this) { 9965 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9966 return mInjector.securityLogGetLoggingEnabledProperty(); 9967 } 9968 } 9969 9970 private synchronized void recordSecurityLogRetrievalTime() { 9971 final long currentTime = System.currentTimeMillis(); 9972 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 9973 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 9974 policyData.mLastSecurityLogRetrievalTime = currentTime; 9975 saveSettingsLocked(UserHandle.USER_SYSTEM); 9976 } 9977 } 9978 9979 @Override 9980 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 9981 if (!mHasFeature) { 9982 return null; 9983 } 9984 9985 Preconditions.checkNotNull(admin); 9986 ensureDeviceOwnerAndAllUsersAffiliated(admin); 9987 9988 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs) 9989 || !mInjector.securityLogGetLoggingEnabledProperty()) { 9990 return null; 9991 } 9992 9993 recordSecurityLogRetrievalTime(); 9994 9995 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 9996 try { 9997 SecurityLog.readPreviousEvents(output); 9998 return new ParceledListSlice<SecurityEvent>(output); 9999 } catch (IOException e) { 10000 Slog.w(LOG_TAG, "Fail to read previous events" , e); 10001 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 10002 } 10003 } 10004 10005 @Override 10006 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 10007 if (!mHasFeature) { 10008 return null; 10009 } 10010 10011 Preconditions.checkNotNull(admin); 10012 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10013 10014 if (!mInjector.securityLogGetLoggingEnabledProperty()) { 10015 return null; 10016 } 10017 10018 recordSecurityLogRetrievalTime(); 10019 10020 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 10021 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 10022 } 10023 10024 private void enforceCanManageDeviceAdmin() { 10025 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 10026 null); 10027 } 10028 10029 private void enforceCanManageProfileAndDeviceOwners() { 10030 mContext.enforceCallingOrSelfPermission( 10031 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 10032 } 10033 10034 private void enforceCallerSystemUserHandle() { 10035 final int callingUid = mInjector.binderGetCallingUid(); 10036 final int userId = UserHandle.getUserId(callingUid); 10037 if (userId != UserHandle.USER_SYSTEM) { 10038 throw new SecurityException("Caller has to be in user 0"); 10039 } 10040 } 10041 10042 @Override 10043 public boolean isUninstallInQueue(final String packageName) { 10044 enforceCanManageDeviceAdmin(); 10045 final int userId = mInjector.userHandleGetCallingUserId(); 10046 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10047 synchronized (this) { 10048 return mPackagesToRemove.contains(packageUserPair); 10049 } 10050 } 10051 10052 @Override 10053 public void uninstallPackageWithActiveAdmins(final String packageName) { 10054 enforceCanManageDeviceAdmin(); 10055 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 10056 10057 final int userId = mInjector.userHandleGetCallingUserId(); 10058 10059 enforceUserUnlocked(userId); 10060 10061 final ComponentName profileOwner = getProfileOwner(userId); 10062 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 10063 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 10064 } 10065 10066 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 10067 if (getDeviceOwnerUserId() == userId && deviceOwner != null 10068 && packageName.equals(deviceOwner.getPackageName())) { 10069 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 10070 } 10071 10072 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10073 synchronized (this) { 10074 mPackagesToRemove.add(packageUserPair); 10075 } 10076 10077 // All active admins on the user. 10078 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 10079 10080 // Active admins in the target package. 10081 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 10082 if (allActiveAdmins != null) { 10083 for (ComponentName activeAdmin : allActiveAdmins) { 10084 if (packageName.equals(activeAdmin.getPackageName())) { 10085 packageActiveAdmins.add(activeAdmin); 10086 removeActiveAdmin(activeAdmin, userId); 10087 } 10088 } 10089 } 10090 if (packageActiveAdmins.size() == 0) { 10091 startUninstallIntent(packageName, userId); 10092 } else { 10093 mHandler.postDelayed(new Runnable() { 10094 @Override 10095 public void run() { 10096 for (ComponentName activeAdmin : packageActiveAdmins) { 10097 removeAdminArtifacts(activeAdmin, userId); 10098 } 10099 startUninstallIntent(packageName, userId); 10100 } 10101 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 10102 } 10103 } 10104 10105 @Override 10106 public boolean isDeviceProvisioned() { 10107 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 10108 } 10109 10110 private void removePackageIfRequired(final String packageName, final int userId) { 10111 if (!packageHasActiveAdmins(packageName, userId)) { 10112 // Will not do anything if uninstall was not requested or was already started. 10113 startUninstallIntent(packageName, userId); 10114 } 10115 } 10116 10117 private void startUninstallIntent(final String packageName, final int userId) { 10118 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10119 synchronized (this) { 10120 if (!mPackagesToRemove.contains(packageUserPair)) { 10121 // Do nothing if uninstall was not requested or was already started. 10122 return; 10123 } 10124 mPackagesToRemove.remove(packageUserPair); 10125 } 10126 try { 10127 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 10128 // Package does not exist. Nothing to do. 10129 return; 10130 } 10131 } catch (RemoteException re) { 10132 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 10133 } 10134 10135 try { // force stop the package before uninstalling 10136 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 10137 } catch (RemoteException re) { 10138 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 10139 } 10140 final Uri packageURI = Uri.parse("package:" + packageName); 10141 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 10142 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 10143 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 10144 } 10145 10146 /** 10147 * Removes the admin from the policy. Ideally called after the admin's 10148 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 10149 * 10150 * @param adminReceiver The admin to remove 10151 * @param userHandle The user for which this admin has to be removed. 10152 */ 10153 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 10154 synchronized (this) { 10155 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 10156 if (admin == null) { 10157 return; 10158 } 10159 final DevicePolicyData policy = getUserData(userHandle); 10160 final boolean doProxyCleanup = admin.info.usesPolicy( 10161 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 10162 policy.mAdminList.remove(admin); 10163 policy.mAdminMap.remove(adminReceiver); 10164 validatePasswordOwnerLocked(policy); 10165 if (doProxyCleanup) { 10166 resetGlobalProxyLocked(policy); 10167 } 10168 saveSettingsLocked(userHandle); 10169 updateMaximumTimeToLockLocked(userHandle); 10170 policy.mRemovingAdmins.remove(adminReceiver); 10171 10172 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 10173 } 10174 // The removed admin might have disabled camera, so update user 10175 // restrictions. 10176 pushUserRestrictions(userHandle); 10177 } 10178 10179 @Override 10180 public void setDeviceProvisioningConfigApplied() { 10181 enforceManageUsers(); 10182 synchronized (this) { 10183 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10184 policy.mDeviceProvisioningConfigApplied = true; 10185 saveSettingsLocked(UserHandle.USER_SYSTEM); 10186 } 10187 } 10188 10189 @Override 10190 public boolean isDeviceProvisioningConfigApplied() { 10191 enforceManageUsers(); 10192 synchronized (this) { 10193 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10194 return policy.mDeviceProvisioningConfigApplied; 10195 } 10196 } 10197 10198 /** 10199 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 10200 * 10201 * It's added for testing only. Please use this API carefully if it's used by other system app 10202 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 10203 * apps. 10204 */ 10205 @Override 10206 public void forceUpdateUserSetupComplete() { 10207 enforceCanManageProfileAndDeviceOwners(); 10208 enforceCallerSystemUserHandle(); 10209 // no effect if it's called from user build 10210 if (!mInjector.isBuildDebuggable()) { 10211 return; 10212 } 10213 final int userId = UserHandle.USER_SYSTEM; 10214 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 10215 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 10216 DevicePolicyData policy = getUserData(userId); 10217 policy.mUserSetupComplete = isUserCompleted; 10218 synchronized (this) { 10219 saveSettingsLocked(userId); 10220 } 10221 } 10222 10223 // TODO(b/22388012): When backup is available for secondary users and profiles, consider 10224 // whether there are any privacy/security implications of enabling the backup service here 10225 // if there are other users or profiles unmanaged or managed by a different entity (i.e. not 10226 // affiliated). 10227 @Override 10228 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 10229 if (!mHasFeature) { 10230 return; 10231 } 10232 Preconditions.checkNotNull(admin); 10233 synchronized (this) { 10234 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10235 } 10236 10237 final long ident = mInjector.binderClearCallingIdentity(); 10238 try { 10239 IBackupManager ibm = mInjector.getIBackupManager(); 10240 if (ibm != null) { 10241 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 10242 } 10243 } catch (RemoteException e) { 10244 throw new IllegalStateException( 10245 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 10246 } finally { 10247 mInjector.binderRestoreCallingIdentity(ident); 10248 } 10249 } 10250 10251 @Override 10252 public boolean isBackupServiceEnabled(ComponentName admin) { 10253 Preconditions.checkNotNull(admin); 10254 if (!mHasFeature) { 10255 return true; 10256 } 10257 synchronized (this) { 10258 try { 10259 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10260 IBackupManager ibm = mInjector.getIBackupManager(); 10261 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 10262 } catch (RemoteException e) { 10263 throw new IllegalStateException("Failed requesting backup service state.", e); 10264 } 10265 } 10266 } 10267 10268 @Override 10269 public boolean bindDeviceAdminServiceAsUser( 10270 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 10271 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 10272 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 10273 if (!mHasFeature) { 10274 return false; 10275 } 10276 Preconditions.checkNotNull(admin); 10277 Preconditions.checkNotNull(caller); 10278 Preconditions.checkNotNull(serviceIntent); 10279 Preconditions.checkArgument( 10280 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 10281 "Service intent must be explicit (with a package name or component): " 10282 + serviceIntent); 10283 Preconditions.checkNotNull(connection); 10284 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 10285 "target user id must be different from the calling user id"); 10286 10287 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 10288 throw new SecurityException("Not allowed to bind to target user id"); 10289 } 10290 10291 final String targetPackage; 10292 synchronized (this) { 10293 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 10294 } 10295 10296 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10297 try { 10298 // Validate and sanitize the incoming service intent. 10299 final Intent sanitizedIntent = 10300 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 10301 if (sanitizedIntent == null) { 10302 // Fail, cannot lookup the target service. 10303 return false; 10304 } 10305 // Ask ActivityManager to bind it. Notice that we are binding the service with the 10306 // caller app instead of DevicePolicyManagerService. 10307 return mInjector.getIActivityManager().bindService( 10308 caller, activtiyToken, serviceIntent, 10309 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10310 connection, flags, mContext.getOpPackageName(), 10311 targetUserId) != 0; 10312 } catch (RemoteException ex) { 10313 // Same process, should not happen. 10314 } finally { 10315 mInjector.binderRestoreCallingIdentity(callingIdentity); 10316 } 10317 10318 // Failed to bind. 10319 return false; 10320 } 10321 10322 @Override 10323 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 10324 if (!mHasFeature) { 10325 return Collections.emptyList(); 10326 } 10327 Preconditions.checkNotNull(admin); 10328 10329 synchronized (this) { 10330 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10331 10332 final int callingUserId = mInjector.userHandleGetCallingUserId(); 10333 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10334 try { 10335 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 10336 if (!isDeviceOwner(admin, callingUserId)) { 10337 // Profile owners can only bind to the device owner. 10338 if (canUserBindToDeviceOwnerLocked(callingUserId)) { 10339 targetUsers.add(UserHandle.of(mOwners.getDeviceOwnerUserId())); 10340 } 10341 } else { 10342 // Caller is the device owner: Look for profile owners that it can bind to. 10343 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 10344 for (int i = 0; i < userInfos.size(); i++) { 10345 final int userId = userInfos.get(i).id; 10346 if (userId != callingUserId && canUserBindToDeviceOwnerLocked(userId)) { 10347 targetUsers.add(UserHandle.of(userId)); 10348 } 10349 } 10350 } 10351 10352 return targetUsers; 10353 } finally { 10354 mInjector.binderRestoreCallingIdentity(callingIdentity); 10355 } 10356 } 10357 } 10358 10359 private boolean canUserBindToDeviceOwnerLocked(int userId) { 10360 // There has to be a device owner, under another user id. 10361 if (!mOwners.hasDeviceOwner() || userId == mOwners.getDeviceOwnerUserId()) { 10362 return false; 10363 } 10364 10365 // The user must have a profile owner that belongs to the same package as the device owner. 10366 if (!mOwners.hasProfileOwner(userId) || !TextUtils.equals( 10367 mOwners.getDeviceOwnerPackageName(), mOwners.getProfileOwnerPackage(userId))) { 10368 return false; 10369 } 10370 10371 // The user must be affiliated. 10372 return isUserAffiliatedWithDeviceLocked(userId); 10373 } 10374 10375 /** 10376 * Return true if a given user has any accounts that'll prevent installing a device or profile 10377 * owner {@code owner}. 10378 * - If the user has no accounts, then return false. 10379 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 10380 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 10381 * ..._DISALLOWED, return true. 10382 * - Otherwise return false. 10383 * 10384 * If the caller is *not* ADB, it also returns true. The returned value shouldn't be used 10385 * when the caller is not ADB. 10386 * 10387 * DO NOT CALL IT WITH THE DPMS LOCK HELD. 10388 */ 10389 private boolean hasIncompatibleAccountsOrNonAdbNoLock( 10390 int userId, @Nullable ComponentName owner) { 10391 if (!isAdb()) { 10392 return true; 10393 } 10394 wtfIfInLock(); 10395 10396 final long token = mInjector.binderClearCallingIdentity(); 10397 try { 10398 final AccountManager am = AccountManager.get(mContext); 10399 final Account accounts[] = am.getAccountsAsUser(userId); 10400 if (accounts.length == 0) { 10401 return false; 10402 } 10403 synchronized (this) { 10404 if (owner == null || !isAdminTestOnlyLocked(owner, userId)) { 10405 Log.w(LOG_TAG, 10406 "Non test-only owner can't be installed with existing accounts."); 10407 return true; 10408 } 10409 } 10410 10411 final String[] feature_allow = 10412 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 10413 final String[] feature_disallow = 10414 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 10415 10416 boolean compatible = true; 10417 for (Account account : accounts) { 10418 if (hasAccountFeatures(am, account, feature_disallow)) { 10419 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 10420 compatible = false; 10421 break; 10422 } 10423 if (!hasAccountFeatures(am, account, feature_allow)) { 10424 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 10425 compatible = false; 10426 break; 10427 } 10428 } 10429 if (compatible) { 10430 Log.w(LOG_TAG, "All accounts are compatible"); 10431 } else { 10432 Log.e(LOG_TAG, "Found incompatible accounts"); 10433 } 10434 return !compatible; 10435 } finally { 10436 mInjector.binderRestoreCallingIdentity(token); 10437 } 10438 } 10439 10440 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 10441 try { 10442 return am.hasFeatures(account, features, null, null).getResult(); 10443 } catch (Exception e) { 10444 Log.w(LOG_TAG, "Failed to get account feature", e); 10445 return false; 10446 } 10447 } 10448 10449 private boolean isAdb() { 10450 final int callingUid = mInjector.binderGetCallingUid(); 10451 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 10452 } 10453 10454 @Override 10455 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 10456 if (!mHasFeature) { 10457 return; 10458 } 10459 Preconditions.checkNotNull(admin); 10460 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10461 10462 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 10463 // already in the requested state 10464 return; 10465 } 10466 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10467 deviceOwner.isNetworkLoggingEnabled = enabled; 10468 if (!enabled) { 10469 deviceOwner.numNetworkLoggingNotifications = 0; 10470 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10471 } 10472 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 10473 10474 setNetworkLoggingActiveInternal(enabled); 10475 } 10476 10477 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 10478 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10479 try { 10480 if (active) { 10481 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 10482 if (!mNetworkLogger.startNetworkLogging()) { 10483 mNetworkLogger = null; 10484 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 10485 + " service not being available yet."); 10486 } 10487 maybePauseDeviceWideLoggingLocked(); 10488 sendNetworkLoggingNotificationLocked(); 10489 } else { 10490 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 10491 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 10492 + " service not being available yet."); 10493 } 10494 mNetworkLogger = null; 10495 mInjector.getNotificationManager().cancel(NETWORK_LOGGING_NOTIFICATION_ID); 10496 } 10497 } finally { 10498 mInjector.binderRestoreCallingIdentity(callingIdentity); 10499 } 10500 } 10501 10502 /** Pauses security and network logging if there are unaffiliated users on the device */ 10503 private void maybePauseDeviceWideLoggingLocked() { 10504 if (!areAllUsersAffiliatedWithDeviceLocked()) { 10505 Slog.i(LOG_TAG, "There are unaffiliated users, security and network logging will be " 10506 + "paused if enabled."); 10507 mSecurityLogMonitor.pause(); 10508 if (mNetworkLogger != null) { 10509 mNetworkLogger.pause(); 10510 } 10511 } 10512 } 10513 10514 /** Resumes security and network logging (if they are enabled) if all users are affiliated */ 10515 private void maybeResumeDeviceWideLoggingLocked() { 10516 if (areAllUsersAffiliatedWithDeviceLocked()) { 10517 final long ident = mInjector.binderClearCallingIdentity(); 10518 try { 10519 mSecurityLogMonitor.resume(); 10520 if (mNetworkLogger != null) { 10521 mNetworkLogger.resume(); 10522 } 10523 } finally { 10524 mInjector.binderRestoreCallingIdentity(ident); 10525 } 10526 } 10527 } 10528 10529 /** Deletes any security and network logs that might have been collected so far */ 10530 private void discardDeviceWideLogsLocked() { 10531 mSecurityLogMonitor.discardLogs(); 10532 if (mNetworkLogger != null) { 10533 mNetworkLogger.discardLogs(); 10534 } 10535 // TODO: We should discard pre-boot security logs here too, as otherwise those 10536 // logs (which might contain data from the user just removed) will be 10537 // available after next boot. 10538 } 10539 10540 @Override 10541 public boolean isNetworkLoggingEnabled(ComponentName admin) { 10542 if (!mHasFeature) { 10543 return false; 10544 } 10545 synchronized (this) { 10546 enforceDeviceOwnerOrManageUsers(); 10547 return isNetworkLoggingEnabledInternalLocked(); 10548 } 10549 } 10550 10551 private boolean isNetworkLoggingEnabledInternalLocked() { 10552 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10553 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 10554 } 10555 10556 /* 10557 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 10558 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 10559 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 10560 * 10561 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 10562 */ 10563 @Override 10564 public List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, long batchToken) { 10565 if (!mHasFeature) { 10566 return null; 10567 } 10568 Preconditions.checkNotNull(admin); 10569 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10570 10571 synchronized (this) { 10572 if (mNetworkLogger == null 10573 || !isNetworkLoggingEnabledInternalLocked()) { 10574 return null; 10575 } 10576 10577 final long currentTime = System.currentTimeMillis(); 10578 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10579 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 10580 policyData.mLastNetworkLogsRetrievalTime = currentTime; 10581 saveSettingsLocked(UserHandle.USER_SYSTEM); 10582 } 10583 return mNetworkLogger.retrieveLogs(batchToken); 10584 } 10585 } 10586 10587 private void sendNetworkLoggingNotificationLocked() { 10588 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10589 if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { 10590 return; 10591 } 10592 if (deviceOwner.numNetworkLoggingNotifications >= 10593 ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10594 return; 10595 } 10596 final long now = System.currentTimeMillis(); 10597 if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { 10598 return; 10599 } 10600 deviceOwner.numNetworkLoggingNotifications++; 10601 if (deviceOwner.numNetworkLoggingNotifications 10602 >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10603 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10604 } else { 10605 deviceOwner.lastNetworkLoggingNotificationTimeMs = now; 10606 } 10607 final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); 10608 intent.setPackage("com.android.systemui"); 10609 final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, 10610 UserHandle.CURRENT); 10611 Notification notification = new Notification.Builder(mContext) 10612 .setSmallIcon(R.drawable.ic_qs_network_logging) 10613 .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) 10614 .setContentText(mContext.getString(R.string.network_logging_notification_text)) 10615 .setTicker(mContext.getString(R.string.network_logging_notification_title)) 10616 .setShowWhen(true) 10617 .setContentIntent(pendingIntent) 10618 .build(); 10619 mInjector.getNotificationManager().notify(NETWORK_LOGGING_NOTIFICATION_ID, notification); 10620 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 10621 } 10622 10623 /** 10624 * Return the package name of owner in a given user. 10625 */ 10626 private String getOwnerPackageNameForUserLocked(int userId) { 10627 return mOwners.getDeviceOwnerUserId() == userId 10628 ? mOwners.getDeviceOwnerPackageName() 10629 : mOwners.getProfileOwnerPackage(userId); 10630 } 10631 10632 /** 10633 * @param rawIntent Original service intent specified by caller. It must be explicit. 10634 * @param expectedPackageName The expected package name of the resolved service. 10635 * @return Intent that have component explicitly set. {@code null} if no service is resolved 10636 * with the given intent. 10637 * @throws SecurityException if the intent is resolved to an invalid service. 10638 */ 10639 private Intent createCrossUserServiceIntent( 10640 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 10641 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 10642 ResolveInfo info = mIPackageManager.resolveService( 10643 rawIntent, 10644 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10645 0, // flags 10646 targetUserId); 10647 if (info == null || info.serviceInfo == null) { 10648 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 10649 + " or user " + targetUserId + " is not running"); 10650 return null; 10651 } 10652 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 10653 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 10654 } 10655 if (info.serviceInfo.exported) { 10656 throw new SecurityException("The service must be unexported"); 10657 } 10658 // It is the system server to bind the service, it would be extremely dangerous if it 10659 // can be exploited to bind any service. Set the component explicitly to make sure we 10660 // do not bind anything accidentally. 10661 rawIntent.setComponent(info.serviceInfo.getComponentName()); 10662 return rawIntent; 10663 } 10664 10665 @Override 10666 public long getLastSecurityLogRetrievalTime() { 10667 enforceDeviceOwnerOrManageUsers(); 10668 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 10669 } 10670 10671 @Override 10672 public long getLastBugReportRequestTime() { 10673 enforceDeviceOwnerOrManageUsers(); 10674 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 10675 } 10676 10677 @Override 10678 public long getLastNetworkLogRetrievalTime() { 10679 enforceDeviceOwnerOrManageUsers(); 10680 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 10681 } 10682} 10683