DevicePolicyManagerService.java revision 094119df3ebc49b7158aa448fe3cc24ad4267569
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.PASSWORD_QUALITY_COMPLEX; 37import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 38import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 39import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 40 41import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_ENTRY_POINT_ADB; 42import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 43import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 44import static org.xmlpull.v1.XmlPullParser.END_TAG; 45import static org.xmlpull.v1.XmlPullParser.TEXT; 46 47import android.Manifest.permission; 48import android.accessibilityservice.AccessibilityServiceInfo; 49import android.accounts.Account; 50import android.accounts.AccountManager; 51import android.annotation.NonNull; 52import android.annotation.Nullable; 53import android.annotation.UserIdInt; 54import android.app.Activity; 55import android.app.ActivityManager; 56import android.app.AlarmManager; 57import android.app.AppGlobals; 58import android.app.IActivityManager; 59import android.app.IApplicationThread; 60import android.app.IServiceConnection; 61import android.app.Notification; 62import android.app.NotificationManager; 63import android.app.PendingIntent; 64import android.app.StatusBarManager; 65import android.app.admin.DeviceAdminInfo; 66import android.app.admin.DeviceAdminReceiver; 67import android.app.admin.DevicePolicyManager; 68import android.app.admin.DevicePolicyManagerInternal; 69import android.app.admin.IDevicePolicyManager; 70import android.app.admin.NetworkEvent; 71import android.app.admin.PasswordMetrics; 72import android.app.admin.SecurityLog; 73import android.app.admin.SecurityLog.SecurityEvent; 74import android.app.admin.SystemUpdatePolicy; 75import android.app.backup.IBackupManager; 76import android.app.trust.TrustManager; 77import android.content.BroadcastReceiver; 78import android.content.ComponentName; 79import android.content.Context; 80import android.content.Intent; 81import android.content.IntentFilter; 82import android.content.pm.ActivityInfo; 83import android.content.pm.ApplicationInfo; 84import android.content.pm.IPackageManager; 85import android.content.pm.PackageInfo; 86import android.content.pm.PackageManager; 87import android.content.pm.PackageManager.NameNotFoundException; 88import android.content.pm.PackageManagerInternal; 89import android.content.pm.ParceledListSlice; 90import android.content.pm.ResolveInfo; 91import android.content.pm.ServiceInfo; 92import android.content.pm.UserInfo; 93import android.database.ContentObserver; 94import android.graphics.Bitmap; 95import android.graphics.Color; 96import android.media.AudioManager; 97import android.media.IAudioService; 98import android.net.ConnectivityManager; 99import android.net.IIpConnectivityMetrics; 100import android.net.ProxyInfo; 101import android.net.Uri; 102import android.net.metrics.IpConnectivityLog; 103import android.net.wifi.WifiInfo; 104import android.net.wifi.WifiManager; 105import android.os.AsyncTask; 106import android.os.Binder; 107import android.os.Build; 108import android.os.Bundle; 109import android.os.Environment; 110import android.os.FileUtils; 111import android.os.Handler; 112import android.os.IBinder; 113import android.os.Looper; 114import android.os.ParcelFileDescriptor; 115import android.os.PersistableBundle; 116import android.os.PowerManager; 117import android.os.PowerManagerInternal; 118import android.os.Process; 119import android.os.RecoverySystem; 120import android.os.RemoteCallback; 121import android.os.RemoteException; 122import android.os.ServiceManager; 123import android.os.SystemClock; 124import android.os.SystemProperties; 125import android.os.UserHandle; 126import android.os.UserManager; 127import android.os.UserManagerInternal; 128import android.os.storage.StorageManager; 129import android.provider.ContactsContract.QuickContact; 130import android.provider.ContactsInternal; 131import android.provider.Settings; 132import android.security.Credentials; 133import android.security.IKeyChainAliasCallback; 134import android.security.IKeyChainService; 135import android.security.KeyChain; 136import android.security.KeyChain.KeyChainConnection; 137import android.service.persistentdata.PersistentDataBlockManager; 138import android.telephony.TelephonyManager; 139import android.text.TextUtils; 140import android.util.ArrayMap; 141import android.util.ArraySet; 142import android.util.Log; 143import android.util.Pair; 144import android.util.Slog; 145import android.util.SparseArray; 146import android.util.Xml; 147import android.view.IWindowManager; 148import android.view.accessibility.AccessibilityManager; 149import android.view.accessibility.IAccessibilityManager; 150import android.view.inputmethod.InputMethodInfo; 151import android.view.inputmethod.InputMethodManager; 152 153import com.android.internal.R; 154import com.android.internal.annotations.VisibleForTesting; 155import com.android.internal.logging.MetricsLogger; 156import com.android.internal.statusbar.IStatusBarService; 157import com.android.internal.util.FastXmlSerializer; 158import com.android.internal.util.JournaledFile; 159import com.android.internal.util.ParcelableString; 160import com.android.internal.util.Preconditions; 161import com.android.internal.util.XmlUtils; 162import com.android.internal.widget.LockPatternUtils; 163import com.android.server.LocalServices; 164import com.android.server.SystemService; 165import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 166import com.android.server.pm.UserRestrictionsUtils; 167import com.google.android.collect.Sets; 168 169import org.xmlpull.v1.XmlPullParser; 170import org.xmlpull.v1.XmlPullParserException; 171import org.xmlpull.v1.XmlSerializer; 172 173import java.io.ByteArrayInputStream; 174import java.io.File; 175import java.io.FileDescriptor; 176import java.io.FileInputStream; 177import java.io.FileNotFoundException; 178import java.io.FileOutputStream; 179import java.io.IOException; 180import java.io.PrintWriter; 181import java.nio.charset.StandardCharsets; 182import java.security.cert.CertificateException; 183import java.security.cert.CertificateFactory; 184import java.security.cert.X509Certificate; 185import java.text.DateFormat; 186import java.util.ArrayList; 187import java.util.Arrays; 188import java.util.Collection; 189import java.util.Collections; 190import java.util.Date; 191import java.util.List; 192import java.util.Map.Entry; 193import java.util.Set; 194import java.util.concurrent.atomic.AtomicBoolean; 195 196/** 197 * Implementation of the device policy APIs. 198 */ 199public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 200 201 private static final String LOG_TAG = "DevicePolicyManager"; 202 203 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 204 205 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 206 207 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 208 209 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 210 211 private static final String TAG_STATUS_BAR = "statusbar"; 212 213 private static final String ATTR_DISABLED = "disabled"; 214 215 private static final String ATTR_NAME = "name"; 216 217 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 218 "do-not-ask-credentials-on-boot"; 219 220 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 221 222 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 223 224 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 225 226 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 227 228 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 229 230 private static final String ATTR_ID = "id"; 231 232 private static final String ATTR_VALUE = "value"; 233 234 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 235 236 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 237 238 private static final long MS_PER_DAY = 86400 * 1000; 239 240 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 241 242 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 243 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 244 245 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 246 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 247 private static final int NETWORK_LOGGING_NOTIFICATION_ID = 1002; 248 249 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 250 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 251 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 252 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 253 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 254 "device-provisioning-config-applied"; 255 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 256 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 257 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 258 = "application-restrictions-manager"; 259 260 /** 261 * System property whose value is either "true" or "false", indicating whether 262 * device owner is present. 263 */ 264 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 265 266 private static final int STATUS_BAR_DISABLE_MASK = 267 StatusBarManager.DISABLE_EXPAND | 268 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 269 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 270 StatusBarManager.DISABLE_SEARCH; 271 272 private static final int STATUS_BAR_DISABLE2_MASK = 273 StatusBarManager.DISABLE2_QUICK_SETTINGS; 274 275 private static final Set<String> SECURE_SETTINGS_WHITELIST; 276 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 277 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 278 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 279 static { 280 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 281 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 282 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 283 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 284 285 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 286 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 287 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 288 289 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 290 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 291 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 292 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 293 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 294 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 295 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 296 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 297 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 298 299 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 300 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 301 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 302 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 303 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 304 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 305 } 306 307 /** 308 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 309 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 310 * instance. 311 */ 312 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 313 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 314 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 315 316 /** 317 * Keyguard features that when set on a profile affect the profile content or challenge only. 318 * These cannot be set on the managed profile's parent DPM instance 319 */ 320 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 321 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 322 323 /** Keyguard features that are allowed to be set on a managed profile */ 324 private static final int PROFILE_KEYGUARD_FEATURES = 325 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 326 327 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 328 329 /** 330 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 331 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 332 */ 333 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = 1 * 60 * 60 * 1000; // 1h 334 335 /** 336 * Strings logged with {@link 337 * com.android.internal.logging.nano.MetricsProto.MetricsEvent#PROVISIONING_ENTRY_POINT_ADB}. 338 */ 339 private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; 340 private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; 341 342 final Context mContext; 343 final Injector mInjector; 344 final IPackageManager mIPackageManager; 345 final UserManager mUserManager; 346 final UserManagerInternal mUserManagerInternal; 347 final TelephonyManager mTelephonyManager; 348 private final LockPatternUtils mLockPatternUtils; 349 350 /** 351 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 352 * is requested for user u. 353 */ 354 private final Set<Pair<String, Integer>> mPackagesToRemove = 355 new ArraySet<Pair<String, Integer>>(); 356 357 final LocalService mLocalService; 358 359 // Stores and loads state on device and profile owners. 360 @VisibleForTesting 361 final Owners mOwners; 362 363 private final Binder mToken = new Binder(); 364 365 /** 366 * Whether or not device admin feature is supported. If it isn't return defaults for all 367 * public methods. 368 */ 369 boolean mHasFeature; 370 371 /** 372 * Whether or not this device is a watch. 373 */ 374 boolean mIsWatch; 375 376 private final SecurityLogMonitor mSecurityLogMonitor; 377 private NetworkLogger mNetworkLogger; 378 379 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 380 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 381 382 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 383 @Override 384 public void run() { 385 if(mRemoteBugreportServiceIsActive.get()) { 386 onBugreportFailed(); 387 } 388 } 389 }; 390 391 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 392 393 @Override 394 public void onReceive(Context context, Intent intent) { 395 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 396 && mRemoteBugreportServiceIsActive.get()) { 397 onBugreportFinished(intent); 398 } 399 } 400 }; 401 402 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 403 404 @Override 405 public void onReceive(Context context, Intent intent) { 406 String action = intent.getAction(); 407 mInjector.getNotificationManager().cancel(LOG_TAG, 408 RemoteBugreportUtils.NOTIFICATION_ID); 409 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 410 onBugreportSharingAccepted(); 411 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 412 onBugreportSharingDeclined(); 413 } 414 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 415 } 416 }; 417 418 public static final class Lifecycle extends SystemService { 419 private DevicePolicyManagerService mService; 420 421 public Lifecycle(Context context) { 422 super(context); 423 mService = new DevicePolicyManagerService(context); 424 } 425 426 @Override 427 public void onStart() { 428 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 429 } 430 431 @Override 432 public void onBootPhase(int phase) { 433 mService.systemReady(phase); 434 } 435 436 @Override 437 public void onStartUser(int userHandle) { 438 mService.onStartUser(userHandle); 439 } 440 } 441 442 public static class DevicePolicyData { 443 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 444 int mFailedPasswordAttempts = 0; 445 446 int mUserHandle; 447 int mPasswordOwner = -1; 448 long mLastMaximumTimeToLock = -1; 449 boolean mUserSetupComplete = false; 450 boolean mPaired = false; 451 int mUserProvisioningState; 452 int mPermissionPolicy; 453 454 boolean mDeviceProvisioningConfigApplied = false; 455 456 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 457 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 458 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 459 460 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 461 462 // This is the list of component allowed to start lock task mode. 463 List<String> mLockTaskPackages = new ArrayList<>(); 464 465 boolean mStatusBarDisabled = false; 466 467 ComponentName mRestrictionsProvider; 468 469 String mDelegatedCertInstallerPackage; 470 471 boolean doNotAskCredentialsOnBoot = false; 472 473 String mApplicationRestrictionsManagingPackage; 474 475 Set<String> mAffiliationIds = new ArraySet<>(); 476 477 long mLastSecurityLogRetrievalTime = -1; 478 479 long mLastBugReportRequestTime = -1; 480 481 long mLastNetworkLogsRetrievalTime = -1; 482 483 // Used for initialization of users created by createAndManageUsers. 484 boolean mAdminBroadcastPending = false; 485 PersistableBundle mInitBundle = null; 486 487 public DevicePolicyData(int userHandle) { 488 mUserHandle = userHandle; 489 } 490 } 491 492 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 493 494 final Handler mHandler; 495 496 BroadcastReceiver mReceiver = new BroadcastReceiver() { 497 @Override 498 public void onReceive(Context context, Intent intent) { 499 final String action = intent.getAction(); 500 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 501 getSendingUserId()); 502 503 /* 504 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 505 * however it's too early in the boot process to register with IIpConnectivityMetrics 506 * to listen for events. 507 */ 508 if (Intent.ACTION_USER_STARTED.equals(action) 509 && userHandle == mOwners.getDeviceOwnerUserId()) { 510 synchronized (DevicePolicyManagerService.this) { 511 if (isNetworkLoggingEnabledInternalLocked()) { 512 setNetworkLoggingActiveInternal(true); 513 } 514 } 515 } 516 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 517 && userHandle == mOwners.getDeviceOwnerUserId() 518 && getDeviceOwnerRemoteBugreportUri() != null) { 519 IntentFilter filterConsent = new IntentFilter(); 520 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 521 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 522 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 523 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 524 RemoteBugreportUtils.NOTIFICATION_ID, 525 RemoteBugreportUtils.buildNotification(mContext, 526 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 527 UserHandle.ALL); 528 } 529 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 530 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 531 if (VERBOSE_LOG) { 532 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 533 + action + " for user " + userHandle); 534 } 535 mHandler.post(new Runnable() { 536 @Override 537 public void run() { 538 handlePasswordExpirationNotification(userHandle); 539 } 540 }); 541 } 542 if (Intent.ACTION_USER_UNLOCKED.equals(action) 543 || Intent.ACTION_USER_STARTED.equals(action) 544 || KeyChain.ACTION_TRUST_STORE_CHANGED.equals(action)) { 545 if (!StorageManager.inCryptKeeperBounce()) { 546 new MonitoringCertNotificationTask().execute( 547 intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL)); 548 } 549 } 550 if (Intent.ACTION_USER_ADDED.equals(action)) { 551 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); 552 synchronized (DevicePolicyManagerService.this) { 553 // It might take a while for the user to become affiliated. Make security 554 // and network logging unavailable in the meantime. 555 maybePauseDeviceWideLoggingLocked(); 556 } 557 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 558 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); 559 synchronized (DevicePolicyManagerService.this) { 560 // Check whether the user is affiliated, *before* removing its data. 561 boolean isRemovedUserAffiliated = isUserAffiliatedWithDeviceLocked(userHandle); 562 removeUserData(userHandle); 563 if (!isRemovedUserAffiliated) { 564 // We discard the logs when unaffiliated users are deleted (so that the 565 // device owner cannot retrieve data about that user after it's gone). 566 discardDeviceWideLogsLocked(); 567 // Resume logging if all remaining users are affiliated. 568 maybeResumeDeviceWideLoggingLocked(); 569 } 570 } 571 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 572 synchronized (DevicePolicyManagerService.this) { 573 // Reset the policy data 574 mUserData.remove(userHandle); 575 sendAdminEnabledBroadcastLocked(userHandle); 576 } 577 handlePackagesChanged(null /* check all admins */, userHandle); 578 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 579 handlePackagesChanged(null /* check all admins */, userHandle); 580 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 581 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 582 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 583 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 584 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 585 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 586 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 587 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 588 clearWipeProfileNotification(); 589 } 590 } 591 592 private void sendUserAddedOrRemovedCommand(String action, int userHandle) { 593 synchronized (DevicePolicyManagerService.this) { 594 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 595 if (deviceOwner != null) { 596 Bundle extras = new Bundle(); 597 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 598 sendAdminCommandLocked(deviceOwner, action, extras, null); 599 } 600 } 601 } 602 }; 603 604 static class ActiveAdmin { 605 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 606 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 607 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 608 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 609 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 610 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 611 = "disable-bt-contacts-sharing"; 612 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 613 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 614 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 615 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 616 private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; 617 private static final String TAG_ACCOUNT_TYPE = "account-type"; 618 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 619 = "permitted-accessiblity-services"; 620 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 621 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 622 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 623 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 624 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 625 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 626 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 627 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 628 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 629 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 630 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 631 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 632 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 633 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 634 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 635 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 636 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 637 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 638 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 639 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 640 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 641 private static final String ATTR_VALUE = "value"; 642 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 643 private static final String TAG_POLICIES = "policies"; 644 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 645 "cross-profile-widget-providers"; 646 private static final String TAG_PROVIDER = "provider"; 647 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 648 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 649 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 650 private static final String TAG_DEFAULT_ENABLED_USER_RESTRICTIONS = 651 "default-enabled-user-restrictions"; 652 private static final String TAG_RESTRICTION = "restriction"; 653 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 654 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 655 private static final String TAG_PARENT_ADMIN = "parent-admin"; 656 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 657 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 658 private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification"; 659 private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications"; 660 661 final DeviceAdminInfo info; 662 663 664 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 665 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 666 667 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 668 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 669 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 670 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 671 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 672 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 673 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 674 @NonNull 675 PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( 676 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, 677 DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, 678 DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, 679 DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); 680 681 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 682 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 683 684 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 685 686 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 687 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 688 689 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 690 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 691 692 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 693 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 694 695 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 696 697 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 698 699 boolean encryptionRequested = false; 700 boolean testOnlyAdmin = false; 701 boolean disableCamera = false; 702 boolean disableCallerId = false; 703 boolean disableContactsSearch = false; 704 boolean disableBluetoothContactSharing = true; 705 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 706 boolean requireAutoTime = false; // Can only be set by a device owner. 707 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 708 boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. 709 710 // one notification after enabling + 3 more after reboots 711 static final int DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN = 4; 712 int numNetworkLoggingNotifications = 0; 713 long lastNetworkLoggingNotificationTimeMs = 0; // Time in milliseconds since epoch 714 715 ActiveAdmin parentAdmin; 716 final boolean isParent; 717 718 static class TrustAgentInfo { 719 public PersistableBundle options; 720 TrustAgentInfo(PersistableBundle bundle) { 721 options = bundle; 722 } 723 } 724 725 final Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 726 727 // The list of permitted accessibility services package namesas set by a profile 728 // or device owner. Null means all accessibility services are allowed, empty means 729 // none except system services are allowed. 730 List<String> permittedAccessiblityServices; 731 732 // The list of permitted input methods package names as set by a profile or device owner. 733 // Null means all input methods are allowed, empty means none except system imes are 734 // allowed. 735 List<String> permittedInputMethods; 736 737 // List of package names to keep cached. 738 List<String> keepUninstalledPackages; 739 740 // TODO: review implementation decisions with frameworks team 741 boolean specifiesGlobalProxy = false; 742 String globalProxySpec = null; 743 String globalProxyExclusionList = null; 744 745 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 746 747 List<String> crossProfileWidgetProviders; 748 749 Bundle userRestrictions; 750 751 // User restrictions that have already been enabled by default for this admin (either when 752 // setting the device or profile owner, or during a system update if one of those "enabled 753 // by default" restrictions is newly added). 754 final Set<String> defaultEnabledRestrictionsAlreadySet = new ArraySet<>(); 755 756 // Support text provided by the admin to display to the user. 757 CharSequence shortSupportMessage = null; 758 CharSequence longSupportMessage = null; 759 760 // Background color of confirm credentials screen. Default: teal. 761 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 762 int organizationColor = DEF_ORGANIZATION_COLOR; 763 764 // Default title of confirm credentials screen 765 String organizationName = null; 766 767 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 768 info = _info; 769 isParent = parent; 770 } 771 772 ActiveAdmin getParentActiveAdmin() { 773 Preconditions.checkState(!isParent); 774 775 if (parentAdmin == null) { 776 parentAdmin = new ActiveAdmin(info, /* parent */ true); 777 } 778 return parentAdmin; 779 } 780 781 boolean hasParentActiveAdmin() { 782 return parentAdmin != null; 783 } 784 785 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 786 787 public UserHandle getUserHandle() { 788 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 789 } 790 791 void writeToXml(XmlSerializer out) 792 throws IllegalArgumentException, IllegalStateException, IOException { 793 out.startTag(null, TAG_POLICIES); 794 info.writePoliciesToXml(out); 795 out.endTag(null, TAG_POLICIES); 796 if (minimumPasswordMetrics.quality 797 != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 798 out.startTag(null, TAG_PASSWORD_QUALITY); 799 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); 800 out.endTag(null, TAG_PASSWORD_QUALITY); 801 if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { 802 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 803 out.attribute( 804 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); 805 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 806 } 807 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 808 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 809 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 810 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 811 } 812 if (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 813 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 814 out.attribute( 815 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); 816 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 817 } 818 if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 819 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 820 out.attribute( 821 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); 822 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 823 } 824 if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { 825 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 826 out.attribute( 827 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); 828 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 829 } 830 if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 831 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 832 out.attribute( 833 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); 834 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 835 } 836 if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 837 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 838 out.attribute( 839 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); 840 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 841 } 842 if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 843 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 844 out.attribute( 845 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); 846 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 847 } 848 } 849 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 850 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 851 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 852 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 853 } 854 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 855 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 856 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 857 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 858 } 859 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 860 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 861 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 862 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 863 } 864 if (specifiesGlobalProxy) { 865 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 866 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 867 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 868 if (globalProxySpec != null) { 869 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 870 out.attribute(null, ATTR_VALUE, globalProxySpec); 871 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 872 } 873 if (globalProxyExclusionList != null) { 874 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 875 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 876 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 877 } 878 } 879 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 880 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 881 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 882 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 883 } 884 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 885 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 886 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 887 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 888 } 889 if (encryptionRequested) { 890 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 891 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 892 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 893 } 894 if (testOnlyAdmin) { 895 out.startTag(null, TAG_TEST_ONLY_ADMIN); 896 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 897 out.endTag(null, TAG_TEST_ONLY_ADMIN); 898 } 899 if (disableCamera) { 900 out.startTag(null, TAG_DISABLE_CAMERA); 901 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 902 out.endTag(null, TAG_DISABLE_CAMERA); 903 } 904 if (disableCallerId) { 905 out.startTag(null, TAG_DISABLE_CALLER_ID); 906 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 907 out.endTag(null, TAG_DISABLE_CALLER_ID); 908 } 909 if (disableContactsSearch) { 910 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 911 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 912 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 913 } 914 if (!disableBluetoothContactSharing) { 915 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 916 out.attribute(null, ATTR_VALUE, 917 Boolean.toString(disableBluetoothContactSharing)); 918 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 919 } 920 if (disableScreenCapture) { 921 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 922 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 923 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 924 } 925 if (requireAutoTime) { 926 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 927 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 928 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 929 } 930 if (forceEphemeralUsers) { 931 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 932 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 933 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 934 } 935 if (isNetworkLoggingEnabled) { 936 out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 937 out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); 938 out.attribute(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS, 939 Integer.toString(numNetworkLoggingNotifications)); 940 out.attribute(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION, 941 Long.toString(lastNetworkLoggingNotificationTimeMs)); 942 out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 943 } 944 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 945 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 946 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 947 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 948 } 949 if (!accountTypesWithManagementDisabled.isEmpty()) { 950 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 951 writeAttributeValuesToXml( 952 out, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 953 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 954 } 955 if (!trustAgentInfos.isEmpty()) { 956 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 957 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 958 for (Entry<String, TrustAgentInfo> entry : set) { 959 TrustAgentInfo trustAgentInfo = entry.getValue(); 960 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 961 out.attribute(null, ATTR_VALUE, entry.getKey()); 962 if (trustAgentInfo.options != null) { 963 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 964 try { 965 trustAgentInfo.options.saveToXml(out); 966 } catch (XmlPullParserException e) { 967 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 968 } 969 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 970 } 971 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 972 } 973 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 974 } 975 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 976 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 977 writeAttributeValuesToXml(out, TAG_PROVIDER, crossProfileWidgetProviders); 978 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 979 } 980 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 981 permittedAccessiblityServices); 982 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 983 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 984 if (hasUserRestrictions()) { 985 UserRestrictionsUtils.writeRestrictions( 986 out, userRestrictions, TAG_USER_RESTRICTIONS); 987 } 988 if (!defaultEnabledRestrictionsAlreadySet.isEmpty()) { 989 out.startTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 990 writeAttributeValuesToXml( 991 out, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 992 out.endTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 993 } 994 if (!TextUtils.isEmpty(shortSupportMessage)) { 995 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 996 out.text(shortSupportMessage.toString()); 997 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 998 } 999 if (!TextUtils.isEmpty(longSupportMessage)) { 1000 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 1001 out.text(longSupportMessage.toString()); 1002 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 1003 } 1004 if (parentAdmin != null) { 1005 out.startTag(null, TAG_PARENT_ADMIN); 1006 parentAdmin.writeToXml(out); 1007 out.endTag(null, TAG_PARENT_ADMIN); 1008 } 1009 if (organizationColor != DEF_ORGANIZATION_COLOR) { 1010 out.startTag(null, TAG_ORGANIZATION_COLOR); 1011 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 1012 out.endTag(null, TAG_ORGANIZATION_COLOR); 1013 } 1014 if (organizationName != null) { 1015 out.startTag(null, TAG_ORGANIZATION_NAME); 1016 out.text(organizationName); 1017 out.endTag(null, TAG_ORGANIZATION_NAME); 1018 } 1019 } 1020 1021 void writePackageListToXml(XmlSerializer out, String outerTag, 1022 List<String> packageList) 1023 throws IllegalArgumentException, IllegalStateException, IOException { 1024 if (packageList == null) { 1025 return; 1026 } 1027 1028 out.startTag(null, outerTag); 1029 writeAttributeValuesToXml(out, TAG_PACKAGE_LIST_ITEM, packageList); 1030 out.endTag(null, outerTag); 1031 } 1032 1033 void writeAttributeValuesToXml(XmlSerializer out, String tag, 1034 @NonNull Collection<String> values) throws IOException { 1035 for (String value : values) { 1036 out.startTag(null, tag); 1037 out.attribute(null, ATTR_VALUE, value); 1038 out.endTag(null, tag); 1039 } 1040 } 1041 1042 void readFromXml(XmlPullParser parser) 1043 throws XmlPullParserException, IOException { 1044 int outerDepth = parser.getDepth(); 1045 int type; 1046 while ((type=parser.next()) != END_DOCUMENT 1047 && (type != END_TAG || parser.getDepth() > outerDepth)) { 1048 if (type == END_TAG || type == TEXT) { 1049 continue; 1050 } 1051 String tag = parser.getName(); 1052 if (TAG_POLICIES.equals(tag)) { 1053 info.readPoliciesFromXml(parser); 1054 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 1055 minimumPasswordMetrics.quality = Integer.parseInt( 1056 parser.getAttributeValue(null, ATTR_VALUE)); 1057 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 1058 minimumPasswordMetrics.length = Integer.parseInt( 1059 parser.getAttributeValue(null, ATTR_VALUE)); 1060 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 1061 passwordHistoryLength = Integer.parseInt( 1062 parser.getAttributeValue(null, ATTR_VALUE)); 1063 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 1064 minimumPasswordMetrics.upperCase = Integer.parseInt( 1065 parser.getAttributeValue(null, ATTR_VALUE)); 1066 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 1067 minimumPasswordMetrics.lowerCase = Integer.parseInt( 1068 parser.getAttributeValue(null, ATTR_VALUE)); 1069 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 1070 minimumPasswordMetrics.letters = Integer.parseInt( 1071 parser.getAttributeValue(null, ATTR_VALUE)); 1072 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 1073 minimumPasswordMetrics.numeric = Integer.parseInt( 1074 parser.getAttributeValue(null, ATTR_VALUE)); 1075 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 1076 minimumPasswordMetrics.symbols = Integer.parseInt( 1077 parser.getAttributeValue(null, ATTR_VALUE)); 1078 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 1079 minimumPasswordMetrics.nonLetter = Integer.parseInt( 1080 parser.getAttributeValue(null, ATTR_VALUE)); 1081 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 1082 maximumTimeToUnlock = Long.parseLong( 1083 parser.getAttributeValue(null, ATTR_VALUE)); 1084 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 1085 strongAuthUnlockTimeout = Long.parseLong( 1086 parser.getAttributeValue(null, ATTR_VALUE)); 1087 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 1088 maximumFailedPasswordsForWipe = Integer.parseInt( 1089 parser.getAttributeValue(null, ATTR_VALUE)); 1090 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 1091 specifiesGlobalProxy = Boolean.parseBoolean( 1092 parser.getAttributeValue(null, ATTR_VALUE)); 1093 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1094 globalProxySpec = 1095 parser.getAttributeValue(null, ATTR_VALUE); 1096 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1097 globalProxyExclusionList = 1098 parser.getAttributeValue(null, ATTR_VALUE); 1099 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1100 passwordExpirationTimeout = Long.parseLong( 1101 parser.getAttributeValue(null, ATTR_VALUE)); 1102 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1103 passwordExpirationDate = Long.parseLong( 1104 parser.getAttributeValue(null, ATTR_VALUE)); 1105 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1106 encryptionRequested = Boolean.parseBoolean( 1107 parser.getAttributeValue(null, ATTR_VALUE)); 1108 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1109 testOnlyAdmin = Boolean.parseBoolean( 1110 parser.getAttributeValue(null, ATTR_VALUE)); 1111 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1112 disableCamera = Boolean.parseBoolean( 1113 parser.getAttributeValue(null, ATTR_VALUE)); 1114 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1115 disableCallerId = Boolean.parseBoolean( 1116 parser.getAttributeValue(null, ATTR_VALUE)); 1117 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1118 disableContactsSearch = Boolean.parseBoolean( 1119 parser.getAttributeValue(null, ATTR_VALUE)); 1120 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1121 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1122 .getAttributeValue(null, ATTR_VALUE)); 1123 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1124 disableScreenCapture = Boolean.parseBoolean( 1125 parser.getAttributeValue(null, ATTR_VALUE)); 1126 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1127 requireAutoTime = Boolean.parseBoolean( 1128 parser.getAttributeValue(null, ATTR_VALUE)); 1129 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1130 forceEphemeralUsers = Boolean.parseBoolean( 1131 parser.getAttributeValue(null, ATTR_VALUE)); 1132 } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { 1133 isNetworkLoggingEnabled = Boolean.parseBoolean( 1134 parser.getAttributeValue(null, ATTR_VALUE)); 1135 lastNetworkLoggingNotificationTimeMs = Long.parseLong( 1136 parser.getAttributeValue(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION)); 1137 numNetworkLoggingNotifications = Integer.parseInt( 1138 parser.getAttributeValue(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS)); 1139 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1140 disabledKeyguardFeatures = Integer.parseInt( 1141 parser.getAttributeValue(null, ATTR_VALUE)); 1142 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1143 readAttributeValues( 1144 parser, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1145 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1146 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1147 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1148 crossProfileWidgetProviders = new ArrayList<>(); 1149 readAttributeValues(parser, TAG_PROVIDER, crossProfileWidgetProviders); 1150 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1151 permittedAccessiblityServices = readPackageList(parser, tag); 1152 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1153 permittedInputMethods = readPackageList(parser, tag); 1154 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1155 keepUninstalledPackages = readPackageList(parser, tag); 1156 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1157 userRestrictions = UserRestrictionsUtils.readRestrictions(parser); 1158 } else if (TAG_DEFAULT_ENABLED_USER_RESTRICTIONS.equals(tag)) { 1159 readAttributeValues( 1160 parser, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1161 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1162 type = parser.next(); 1163 if (type == XmlPullParser.TEXT) { 1164 shortSupportMessage = parser.getText(); 1165 } else { 1166 Log.w(LOG_TAG, "Missing text when loading short support message"); 1167 } 1168 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1169 type = parser.next(); 1170 if (type == XmlPullParser.TEXT) { 1171 longSupportMessage = parser.getText(); 1172 } else { 1173 Log.w(LOG_TAG, "Missing text when loading long support message"); 1174 } 1175 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1176 Preconditions.checkState(!isParent); 1177 1178 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1179 parentAdmin.readFromXml(parser); 1180 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1181 organizationColor = Integer.parseInt( 1182 parser.getAttributeValue(null, ATTR_VALUE)); 1183 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1184 type = parser.next(); 1185 if (type == XmlPullParser.TEXT) { 1186 organizationName = parser.getText(); 1187 } else { 1188 Log.w(LOG_TAG, "Missing text when loading organization name"); 1189 } 1190 } else { 1191 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1192 XmlUtils.skipCurrentTag(parser); 1193 } 1194 } 1195 } 1196 1197 private List<String> readPackageList(XmlPullParser parser, 1198 String tag) throws XmlPullParserException, IOException { 1199 List<String> result = new ArrayList<String>(); 1200 int outerDepth = parser.getDepth(); 1201 int outerType; 1202 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1203 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1204 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1205 continue; 1206 } 1207 String outerTag = parser.getName(); 1208 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1209 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1210 if (packageName != null) { 1211 result.add(packageName); 1212 } else { 1213 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1214 } 1215 } else { 1216 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1217 } 1218 } 1219 return result; 1220 } 1221 1222 private void readAttributeValues( 1223 XmlPullParser parser, String tag, Collection<String> result) 1224 throws XmlPullParserException, IOException { 1225 result.clear(); 1226 int outerDepthDAM = parser.getDepth(); 1227 int typeDAM; 1228 while ((typeDAM=parser.next()) != END_DOCUMENT 1229 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1230 if (typeDAM == END_TAG || typeDAM == TEXT) { 1231 continue; 1232 } 1233 String tagDAM = parser.getName(); 1234 if (tag.equals(tagDAM)) { 1235 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1236 } else { 1237 Slog.e(LOG_TAG, "Expected tag " + tag + " but found " + tagDAM); 1238 } 1239 } 1240 } 1241 1242 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1243 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1244 int outerDepthDAM = parser.getDepth(); 1245 int typeDAM; 1246 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1247 while ((typeDAM=parser.next()) != END_DOCUMENT 1248 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1249 if (typeDAM == END_TAG || typeDAM == TEXT) { 1250 continue; 1251 } 1252 String tagDAM = parser.getName(); 1253 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1254 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1255 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1256 result.put(component, trustAgentInfo); 1257 } else { 1258 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1259 } 1260 } 1261 return result; 1262 } 1263 1264 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1265 throws XmlPullParserException, IOException { 1266 int outerDepthDAM = parser.getDepth(); 1267 int typeDAM; 1268 TrustAgentInfo result = new TrustAgentInfo(null); 1269 while ((typeDAM=parser.next()) != END_DOCUMENT 1270 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1271 if (typeDAM == END_TAG || typeDAM == TEXT) { 1272 continue; 1273 } 1274 String tagDAM = parser.getName(); 1275 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1276 result.options = PersistableBundle.restoreFromXml(parser); 1277 } else { 1278 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1279 } 1280 } 1281 return result; 1282 } 1283 1284 boolean hasUserRestrictions() { 1285 return userRestrictions != null && userRestrictions.size() > 0; 1286 } 1287 1288 Bundle ensureUserRestrictions() { 1289 if (userRestrictions == null) { 1290 userRestrictions = new Bundle(); 1291 } 1292 return userRestrictions; 1293 } 1294 1295 void dump(String prefix, PrintWriter pw) { 1296 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1297 pw.print(prefix); pw.print("testOnlyAdmin="); 1298 pw.println(testOnlyAdmin); 1299 pw.print(prefix); pw.println("policies:"); 1300 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1301 if (pols != null) { 1302 for (int i=0; i<pols.size(); i++) { 1303 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1304 } 1305 } 1306 pw.print(prefix); pw.print("passwordQuality=0x"); 1307 pw.println(Integer.toHexString(minimumPasswordMetrics.quality)); 1308 pw.print(prefix); pw.print("minimumPasswordLength="); 1309 pw.println(minimumPasswordMetrics.length); 1310 pw.print(prefix); pw.print("passwordHistoryLength="); 1311 pw.println(passwordHistoryLength); 1312 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1313 pw.println(minimumPasswordMetrics.upperCase); 1314 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1315 pw.println(minimumPasswordMetrics.lowerCase); 1316 pw.print(prefix); pw.print("minimumPasswordLetters="); 1317 pw.println(minimumPasswordMetrics.letters); 1318 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1319 pw.println(minimumPasswordMetrics.numeric); 1320 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1321 pw.println(minimumPasswordMetrics.symbols); 1322 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1323 pw.println(minimumPasswordMetrics.nonLetter); 1324 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1325 pw.println(maximumTimeToUnlock); 1326 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1327 pw.println(strongAuthUnlockTimeout); 1328 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1329 pw.println(maximumFailedPasswordsForWipe); 1330 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1331 pw.println(specifiesGlobalProxy); 1332 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1333 pw.println(passwordExpirationTimeout); 1334 pw.print(prefix); pw.print("passwordExpirationDate="); 1335 pw.println(passwordExpirationDate); 1336 if (globalProxySpec != null) { 1337 pw.print(prefix); pw.print("globalProxySpec="); 1338 pw.println(globalProxySpec); 1339 } 1340 if (globalProxyExclusionList != null) { 1341 pw.print(prefix); pw.print("globalProxyEclusionList="); 1342 pw.println(globalProxyExclusionList); 1343 } 1344 pw.print(prefix); pw.print("encryptionRequested="); 1345 pw.println(encryptionRequested); 1346 pw.print(prefix); pw.print("disableCamera="); 1347 pw.println(disableCamera); 1348 pw.print(prefix); pw.print("disableCallerId="); 1349 pw.println(disableCallerId); 1350 pw.print(prefix); pw.print("disableContactsSearch="); 1351 pw.println(disableContactsSearch); 1352 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1353 pw.println(disableBluetoothContactSharing); 1354 pw.print(prefix); pw.print("disableScreenCapture="); 1355 pw.println(disableScreenCapture); 1356 pw.print(prefix); pw.print("requireAutoTime="); 1357 pw.println(requireAutoTime); 1358 pw.print(prefix); pw.print("forceEphemeralUsers="); 1359 pw.println(forceEphemeralUsers); 1360 pw.print(prefix); pw.print("isNetworkLoggingEnabled="); 1361 pw.println(isNetworkLoggingEnabled); 1362 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1363 pw.println(disabledKeyguardFeatures); 1364 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1365 pw.println(crossProfileWidgetProviders); 1366 if (permittedAccessiblityServices != null) { 1367 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1368 pw.println(permittedAccessiblityServices); 1369 } 1370 if (permittedInputMethods != null) { 1371 pw.print(prefix); pw.print("permittedInputMethods="); 1372 pw.println(permittedInputMethods); 1373 } 1374 if (keepUninstalledPackages != null) { 1375 pw.print(prefix); pw.print("keepUninstalledPackages="); 1376 pw.println(keepUninstalledPackages); 1377 } 1378 pw.print(prefix); pw.print("organizationColor="); 1379 pw.println(organizationColor); 1380 if (organizationName != null) { 1381 pw.print(prefix); pw.print("organizationName="); 1382 pw.println(organizationName); 1383 } 1384 pw.print(prefix); pw.println("userRestrictions:"); 1385 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1386 pw.print(prefix); pw.print("defaultEnabledRestrictionsAlreadySet="); 1387 pw.println(defaultEnabledRestrictionsAlreadySet); 1388 pw.print(prefix); pw.print("isParent="); 1389 pw.println(isParent); 1390 if (parentAdmin != null) { 1391 pw.print(prefix); pw.println("parentAdmin:"); 1392 parentAdmin.dump(prefix + " ", pw); 1393 } 1394 } 1395 } 1396 1397 private void handlePackagesChanged(String packageName, int userHandle) { 1398 boolean removed = false; 1399 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1400 DevicePolicyData policy = getUserData(userHandle); 1401 synchronized (this) { 1402 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1403 ActiveAdmin aa = policy.mAdminList.get(i); 1404 try { 1405 // If we're checking all packages or if the specific one we're checking matches, 1406 // then check if the package and receiver still exist. 1407 final String adminPackage = aa.info.getPackageName(); 1408 if (packageName == null || packageName.equals(adminPackage)) { 1409 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1410 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1411 PackageManager.MATCH_DIRECT_BOOT_AWARE 1412 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1413 userHandle) == null) { 1414 removed = true; 1415 policy.mAdminList.remove(i); 1416 policy.mAdminMap.remove(aa.info.getComponent()); 1417 } 1418 } 1419 } catch (RemoteException re) { 1420 // Shouldn't happen 1421 } 1422 } 1423 if (removed) { 1424 validatePasswordOwnerLocked(policy); 1425 saveSettingsLocked(policy.mUserHandle); 1426 } 1427 1428 // Check if delegated cert installer or app restrictions managing packages are removed. 1429 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1430 policy.mDelegatedCertInstallerPackage = null; 1431 saveSettingsLocked(policy.mUserHandle); 1432 } 1433 if (isRemovedPackage( 1434 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1435 policy.mApplicationRestrictionsManagingPackage = null; 1436 saveSettingsLocked(policy.mUserHandle); 1437 } 1438 } 1439 if (removed) { 1440 // The removed admin might have disabled camera, so update user restrictions. 1441 pushUserRestrictions(userHandle); 1442 } 1443 } 1444 1445 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1446 try { 1447 return targetPackage != null 1448 && (changedPackage == null || changedPackage.equals(targetPackage)) 1449 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1450 } catch (RemoteException e) { 1451 // Shouldn't happen 1452 } 1453 1454 return false; 1455 } 1456 1457 /** 1458 * Unit test will subclass it to inject mocks. 1459 */ 1460 @VisibleForTesting 1461 static class Injector { 1462 1463 private final Context mContext; 1464 1465 Injector(Context context) { 1466 mContext = context; 1467 } 1468 1469 Owners newOwners() { 1470 return new Owners(getUserManager(), getUserManagerInternal(), 1471 getPackageManagerInternal()); 1472 } 1473 1474 UserManager getUserManager() { 1475 return UserManager.get(mContext); 1476 } 1477 1478 UserManagerInternal getUserManagerInternal() { 1479 return LocalServices.getService(UserManagerInternal.class); 1480 } 1481 1482 PackageManagerInternal getPackageManagerInternal() { 1483 return LocalServices.getService(PackageManagerInternal.class); 1484 } 1485 1486 NotificationManager getNotificationManager() { 1487 return mContext.getSystemService(NotificationManager.class); 1488 } 1489 1490 IIpConnectivityMetrics getIIpConnectivityMetrics() { 1491 return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( 1492 ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); 1493 } 1494 1495 PackageManager getPackageManager() { 1496 return mContext.getPackageManager(); 1497 } 1498 1499 PowerManagerInternal getPowerManagerInternal() { 1500 return LocalServices.getService(PowerManagerInternal.class); 1501 } 1502 1503 TelephonyManager getTelephonyManager() { 1504 return TelephonyManager.from(mContext); 1505 } 1506 1507 TrustManager getTrustManager() { 1508 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1509 } 1510 1511 IWindowManager getIWindowManager() { 1512 return IWindowManager.Stub 1513 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1514 } 1515 1516 IActivityManager getIActivityManager() { 1517 return ActivityManager.getService(); 1518 } 1519 1520 IPackageManager getIPackageManager() { 1521 return AppGlobals.getPackageManager(); 1522 } 1523 1524 IBackupManager getIBackupManager() { 1525 return IBackupManager.Stub.asInterface( 1526 ServiceManager.getService(Context.BACKUP_SERVICE)); 1527 } 1528 1529 IAudioService getIAudioService() { 1530 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1531 } 1532 1533 boolean isBuildDebuggable() { 1534 return Build.IS_DEBUGGABLE; 1535 } 1536 1537 LockPatternUtils newLockPatternUtils() { 1538 return new LockPatternUtils(mContext); 1539 } 1540 1541 boolean storageManagerIsFileBasedEncryptionEnabled() { 1542 return StorageManager.isFileEncryptedNativeOnly(); 1543 } 1544 1545 boolean storageManagerIsNonDefaultBlockEncrypted() { 1546 long identity = Binder.clearCallingIdentity(); 1547 try { 1548 return StorageManager.isNonDefaultBlockEncrypted(); 1549 } finally { 1550 Binder.restoreCallingIdentity(identity); 1551 } 1552 } 1553 1554 boolean storageManagerIsEncrypted() { 1555 return StorageManager.isEncrypted(); 1556 } 1557 1558 boolean storageManagerIsEncryptable() { 1559 return StorageManager.isEncryptable(); 1560 } 1561 1562 Looper getMyLooper() { 1563 return Looper.myLooper(); 1564 } 1565 1566 WifiManager getWifiManager() { 1567 return mContext.getSystemService(WifiManager.class); 1568 } 1569 1570 long binderClearCallingIdentity() { 1571 return Binder.clearCallingIdentity(); 1572 } 1573 1574 void binderRestoreCallingIdentity(long token) { 1575 Binder.restoreCallingIdentity(token); 1576 } 1577 1578 int binderGetCallingUid() { 1579 return Binder.getCallingUid(); 1580 } 1581 1582 int binderGetCallingPid() { 1583 return Binder.getCallingPid(); 1584 } 1585 1586 UserHandle binderGetCallingUserHandle() { 1587 return Binder.getCallingUserHandle(); 1588 } 1589 1590 boolean binderIsCallingUidMyUid() { 1591 return getCallingUid() == Process.myUid(); 1592 } 1593 1594 final int userHandleGetCallingUserId() { 1595 return UserHandle.getUserId(binderGetCallingUid()); 1596 } 1597 1598 File environmentGetUserSystemDirectory(int userId) { 1599 return Environment.getUserSystemDirectory(userId); 1600 } 1601 1602 void powerManagerGoToSleep(long time, int reason, int flags) { 1603 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1604 } 1605 1606 void powerManagerReboot(String reason) { 1607 mContext.getSystemService(PowerManager.class).reboot(reason); 1608 } 1609 1610 boolean systemPropertiesGetBoolean(String key, boolean def) { 1611 return SystemProperties.getBoolean(key, def); 1612 } 1613 1614 long systemPropertiesGetLong(String key, long def) { 1615 return SystemProperties.getLong(key, def); 1616 } 1617 1618 String systemPropertiesGet(String key, String def) { 1619 return SystemProperties.get(key, def); 1620 } 1621 1622 String systemPropertiesGet(String key) { 1623 return SystemProperties.get(key); 1624 } 1625 1626 void systemPropertiesSet(String key, String value) { 1627 SystemProperties.set(key, value); 1628 } 1629 1630 boolean userManagerIsSplitSystemUser() { 1631 return UserManager.isSplitSystemUser(); 1632 } 1633 1634 String getDevicePolicyFilePathForSystemUser() { 1635 return "/data/system/"; 1636 } 1637 1638 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1639 ContentObserver observer, int userHandle) { 1640 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1641 observer, userHandle); 1642 } 1643 1644 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1645 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1646 name, def, userHandle); 1647 } 1648 1649 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1650 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1651 name, value, userHandle); 1652 } 1653 1654 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1655 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1656 name, value, userHandle); 1657 } 1658 1659 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1660 Settings.Global.putStringForUser(mContext.getContentResolver(), 1661 name, value, userHandle); 1662 } 1663 1664 void settingsSecurePutInt(String name, int value) { 1665 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1666 } 1667 1668 int settingsGlobalGetInt(String name, int def) { 1669 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1670 } 1671 1672 void settingsGlobalPutInt(String name, int value) { 1673 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1674 } 1675 1676 void settingsSecurePutString(String name, String value) { 1677 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1678 } 1679 1680 void settingsGlobalPutString(String name, String value) { 1681 Settings.Global.putString(mContext.getContentResolver(), name, value); 1682 } 1683 1684 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1685 SecurityLog.setLoggingEnabledProperty(enabled); 1686 } 1687 1688 boolean securityLogGetLoggingEnabledProperty() { 1689 return SecurityLog.getLoggingEnabledProperty(); 1690 } 1691 1692 boolean securityLogIsLoggingEnabled() { 1693 return SecurityLog.isLoggingEnabled(); 1694 } 1695 } 1696 1697 /** 1698 * Instantiates the service. 1699 */ 1700 public DevicePolicyManagerService(Context context) { 1701 this(new Injector(context)); 1702 } 1703 1704 @VisibleForTesting 1705 DevicePolicyManagerService(Injector injector) { 1706 mInjector = injector; 1707 mContext = Preconditions.checkNotNull(injector.mContext); 1708 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1709 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1710 1711 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1712 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1713 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1714 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1715 1716 mLocalService = new LocalService(); 1717 mLockPatternUtils = injector.newLockPatternUtils(); 1718 1719 mSecurityLogMonitor = new SecurityLogMonitor(this); 1720 1721 mHasFeature = mInjector.getPackageManager() 1722 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1723 mIsWatch = mInjector.getPackageManager() 1724 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1725 if (!mHasFeature) { 1726 // Skip the rest of the initialization 1727 return; 1728 } 1729 IntentFilter filter = new IntentFilter(); 1730 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1731 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1732 filter.addAction(Intent.ACTION_USER_ADDED); 1733 filter.addAction(Intent.ACTION_USER_REMOVED); 1734 filter.addAction(Intent.ACTION_USER_STARTED); 1735 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1736 filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); 1737 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1738 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1739 filter = new IntentFilter(); 1740 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1741 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1742 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1743 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1744 filter.addDataScheme("package"); 1745 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1746 filter = new IntentFilter(); 1747 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1748 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1749 1750 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1751 } 1752 1753 /** 1754 * Creates and loads the policy data from xml. 1755 * @param userHandle the user for whom to load the policy data 1756 * @return 1757 */ 1758 @NonNull 1759 DevicePolicyData getUserData(int userHandle) { 1760 synchronized (this) { 1761 DevicePolicyData policy = mUserData.get(userHandle); 1762 if (policy == null) { 1763 policy = new DevicePolicyData(userHandle); 1764 mUserData.append(userHandle, policy); 1765 loadSettingsLocked(policy, userHandle); 1766 } 1767 return policy; 1768 } 1769 } 1770 1771 /** 1772 * Creates and loads the policy data from xml for data that is shared between 1773 * various profiles of a user. In contrast to {@link #getUserData(int)} 1774 * it allows access to data of users other than the calling user. 1775 * 1776 * This function should only be used for shared data, e.g. everything regarding 1777 * passwords and should be removed once multiple screen locks are present. 1778 * @param userHandle the user for whom to load the policy data 1779 * @return 1780 */ 1781 DevicePolicyData getUserDataUnchecked(int userHandle) { 1782 long ident = mInjector.binderClearCallingIdentity(); 1783 try { 1784 return getUserData(userHandle); 1785 } finally { 1786 mInjector.binderRestoreCallingIdentity(ident); 1787 } 1788 } 1789 1790 void removeUserData(int userHandle) { 1791 synchronized (this) { 1792 if (userHandle == UserHandle.USER_SYSTEM) { 1793 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1794 return; 1795 } 1796 mOwners.removeProfileOwner(userHandle); 1797 mOwners.writeProfileOwner(userHandle); 1798 1799 DevicePolicyData policy = mUserData.get(userHandle); 1800 if (policy != null) { 1801 mUserData.remove(userHandle); 1802 } 1803 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1804 DEVICE_POLICIES_XML); 1805 policyFile.delete(); 1806 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1807 } 1808 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1809 } 1810 1811 void loadOwners() { 1812 synchronized (this) { 1813 mOwners.load(); 1814 setDeviceOwnerSystemPropertyLocked(); 1815 findOwnerComponentIfNecessaryLocked(); 1816 migrateUserRestrictionsIfNecessaryLocked(); 1817 setDefaultEnabledUserRestrictionsIfNecessaryLocked(); 1818 1819 // TODO PO may not have a class name either due to b/17652534. Address that too. 1820 1821 updateDeviceOwnerLocked(); 1822 } 1823 } 1824 1825 private void setDefaultEnabledUserRestrictionsIfNecessaryLocked() { 1826 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 1827 if (deviceOwner != null 1828 && !UserRestrictionsUtils.getDefaultEnabledForDeviceOwner().equals( 1829 deviceOwner.defaultEnabledRestrictionsAlreadySet)) { 1830 Slog.i(LOG_TAG,"New user restrictions need to be set by default for the device owner"); 1831 1832 if (VERBOSE_LOG) { 1833 Slog.d(LOG_TAG,"Default enabled restrictions for DO: " 1834 + UserRestrictionsUtils.getDefaultEnabledForDeviceOwner() 1835 + ". Restrictions already enabled: " 1836 + deviceOwner.defaultEnabledRestrictionsAlreadySet); 1837 } 1838 1839 Set<String> restrictionsToSet = new ArraySet<>( 1840 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); 1841 restrictionsToSet.removeAll(deviceOwner.defaultEnabledRestrictionsAlreadySet); 1842 if (!restrictionsToSet.isEmpty()) { 1843 for (String restriction : restrictionsToSet) { 1844 deviceOwner.ensureUserRestrictions().putBoolean(restriction, true); 1845 } 1846 deviceOwner.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); 1847 Slog.i(LOG_TAG, 1848 "Enabled the following restrictions by default: " + restrictionsToSet); 1849 1850 saveUserRestrictionsLocked(mOwners.getDeviceOwnerUserId()); 1851 } 1852 } 1853 } 1854 1855 private void setDeviceOwnerSystemPropertyLocked() { 1856 // Device owner may still be provisioned, do not set the read-only system property yet. 1857 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1858 return; 1859 } 1860 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1861 // always false at this point. 1862 if (StorageManager.inCryptKeeperBounce()) { 1863 return; 1864 } 1865 1866 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1867 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1868 } else { 1869 if (mOwners.hasDeviceOwner()) { 1870 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1871 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1872 1873 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1874 mSecurityLogMonitor.start(); 1875 maybePauseDeviceWideLoggingLocked(); 1876 } 1877 } else { 1878 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1879 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1880 } 1881 } 1882 } 1883 1884 private void findOwnerComponentIfNecessaryLocked() { 1885 if (!mOwners.hasDeviceOwner()) { 1886 return; 1887 } 1888 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1889 1890 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1891 return; // Already a full component name. 1892 } 1893 1894 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1895 doComponentName.getPackageName(), 1896 mOwners.getDeviceOwnerUserId()); 1897 if (doComponent == null) { 1898 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1899 } else { 1900 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1901 doComponent, 1902 mOwners.getDeviceOwnerName(), 1903 mOwners.getDeviceOwnerUserId(), 1904 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1905 mOwners.writeDeviceOwner(); 1906 if (VERBOSE_LOG) { 1907 Log.v(LOG_TAG, "Device owner component filled in"); 1908 } 1909 } 1910 } 1911 1912 /** 1913 * We didn't use to persist user restrictions for each owners but only persisted in user 1914 * manager. 1915 */ 1916 private void migrateUserRestrictionsIfNecessaryLocked() { 1917 boolean migrated = false; 1918 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1919 // except for the "system controlled" ones. 1920 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1921 if (VERBOSE_LOG) { 1922 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1923 } 1924 migrated = true; 1925 1926 // Migrate user 0 restrictions to DO. 1927 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1928 1929 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1930 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1931 1932 // Push DO user restrictions to user manager. 1933 pushUserRestrictions(UserHandle.USER_SYSTEM); 1934 1935 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1936 } 1937 1938 // Migrate for POs. 1939 1940 // The following restrictions can be set on secondary users by the device owner, so we 1941 // assume they're not from the PO. 1942 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1943 UserManager.DISALLOW_OUTGOING_CALLS, 1944 UserManager.DISALLOW_SMS); 1945 1946 for (UserInfo ui : mUserManager.getUsers()) { 1947 final int userId = ui.id; 1948 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1949 if (VERBOSE_LOG) { 1950 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1951 } 1952 migrated = true; 1953 1954 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1955 1956 final Set<String> exceptionList = 1957 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1958 1959 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1960 exceptionList, /* isDeviceOwner =*/ false); 1961 1962 // Note if a secondary user has no PO but has a DA that disables camera, we 1963 // don't get here and won't push the camera user restriction to UserManager 1964 // here. That's okay because we'll push user restrictions anyway when a user 1965 // starts. But we still do it because we want to let user manager persist 1966 // upon migration. 1967 pushUserRestrictions(userId); 1968 1969 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1970 } 1971 } 1972 if (VERBOSE_LOG && migrated) { 1973 Log.v(LOG_TAG, "User restrictions migrated."); 1974 } 1975 } 1976 1977 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1978 Set<String> exceptionList, boolean isDeviceOwner) { 1979 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1980 user.getIdentifier()); 1981 1982 final Bundle newBaseRestrictions = new Bundle(); 1983 final Bundle newOwnerRestrictions = new Bundle(); 1984 1985 for (String key : origRestrictions.keySet()) { 1986 if (!origRestrictions.getBoolean(key)) { 1987 continue; 1988 } 1989 final boolean canOwnerChange = isDeviceOwner 1990 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1991 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1992 1993 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1994 newBaseRestrictions.putBoolean(key, true); 1995 } else { 1996 newOwnerRestrictions.putBoolean(key, true); 1997 } 1998 } 1999 2000 if (VERBOSE_LOG) { 2001 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 2002 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 2003 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 2004 } 2005 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 2006 newBaseRestrictions); 2007 2008 if (admin != null) { 2009 admin.ensureUserRestrictions().clear(); 2010 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 2011 } else { 2012 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 2013 } 2014 saveSettingsLocked(user.getIdentifier()); 2015 } 2016 2017 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 2018 final DevicePolicyData policy = getUserData(userId); 2019 final int n = policy.mAdminList.size(); 2020 ComponentName found = null; 2021 int nFound = 0; 2022 for (int i = 0; i < n; i++) { 2023 final ActiveAdmin admin = policy.mAdminList.get(i); 2024 if (packageName.equals(admin.info.getPackageName())) { 2025 // Found! 2026 if (nFound == 0) { 2027 found = admin.info.getComponent(); 2028 } 2029 nFound++; 2030 } 2031 } 2032 if (nFound > 1) { 2033 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 2034 } 2035 return found; 2036 } 2037 2038 /** 2039 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 2040 * reminders. Clears alarm if no expirations are configured. 2041 */ 2042 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 2043 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 2044 final long now = System.currentTimeMillis(); 2045 final long timeToExpire = expiration - now; 2046 final long alarmTime; 2047 if (expiration == 0) { 2048 // No expirations are currently configured: Cancel alarm. 2049 alarmTime = 0; 2050 } else if (timeToExpire <= 0) { 2051 // The password has already expired: Repeat every 24 hours. 2052 alarmTime = now + MS_PER_DAY; 2053 } else { 2054 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 2055 // the expiration time. 2056 long alarmInterval = timeToExpire % MS_PER_DAY; 2057 if (alarmInterval == 0) { 2058 alarmInterval = MS_PER_DAY; 2059 } 2060 alarmTime = now + alarmInterval; 2061 } 2062 2063 long token = mInjector.binderClearCallingIdentity(); 2064 try { 2065 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2066 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 2067 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2068 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2069 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2070 UserHandle.of(affectedUserHandle)); 2071 am.cancel(pi); 2072 if (alarmTime != 0) { 2073 am.set(AlarmManager.RTC, alarmTime, pi); 2074 } 2075 } finally { 2076 mInjector.binderRestoreCallingIdentity(token); 2077 } 2078 } 2079 2080 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2081 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2082 if (admin != null 2083 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2084 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2085 return admin; 2086 } 2087 return null; 2088 } 2089 2090 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2091 if (parent) { 2092 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2093 } 2094 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2095 if (admin != null && parent) { 2096 admin = admin.getParentActiveAdmin(); 2097 } 2098 return admin; 2099 } 2100 2101 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2102 throws SecurityException { 2103 final int callingUid = mInjector.binderGetCallingUid(); 2104 2105 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2106 if (result != null) { 2107 return result; 2108 } 2109 2110 if (who != null) { 2111 final int userId = UserHandle.getUserId(callingUid); 2112 final DevicePolicyData policy = getUserData(userId); 2113 ActiveAdmin admin = policy.mAdminMap.get(who); 2114 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2115 throw new SecurityException("Admin " + admin.info.getComponent() 2116 + " does not own the device"); 2117 } 2118 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2119 throw new SecurityException("Admin " + admin.info.getComponent() 2120 + " does not own the profile"); 2121 } 2122 throw new SecurityException("Admin " + admin.info.getComponent() 2123 + " did not specify uses-policy for: " 2124 + admin.info.getTagForPolicy(reqPolicy)); 2125 } else { 2126 throw new SecurityException("No active admin owned by uid " 2127 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2128 } 2129 } 2130 2131 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2132 throws SecurityException { 2133 if (parent) { 2134 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2135 "call APIs on the parent profile"); 2136 } 2137 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2138 return parent ? admin.getParentActiveAdmin() : admin; 2139 } 2140 /** 2141 * Find the admin for the component and userId bit of the uid, then check 2142 * the admin's uid matches the uid. 2143 */ 2144 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2145 final int userId = UserHandle.getUserId(uid); 2146 final DevicePolicyData policy = getUserData(userId); 2147 ActiveAdmin admin = policy.mAdminMap.get(who); 2148 if (admin == null) { 2149 throw new SecurityException("No active admin " + who); 2150 } 2151 if (admin.getUid() != uid) { 2152 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2153 } 2154 return admin; 2155 } 2156 2157 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2158 int uid) { 2159 // Try to find an admin which can use reqPolicy 2160 final int userId = UserHandle.getUserId(uid); 2161 final DevicePolicyData policy = getUserData(userId); 2162 if (who != null) { 2163 ActiveAdmin admin = policy.mAdminMap.get(who); 2164 if (admin == null) { 2165 throw new SecurityException("No active admin " + who); 2166 } 2167 if (admin.getUid() != uid) { 2168 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2169 } 2170 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2171 return admin; 2172 } 2173 } else { 2174 for (ActiveAdmin admin : policy.mAdminList) { 2175 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2176 userId)) { 2177 return admin; 2178 } 2179 } 2180 } 2181 2182 return null; 2183 } 2184 2185 @VisibleForTesting 2186 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2187 int userId) { 2188 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2189 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2190 2191 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2192 return ownsDevice; 2193 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2194 // DO always has the PO power. 2195 return ownsDevice || ownsProfile; 2196 } else { 2197 return admin.info.usesPolicy(reqPolicy); 2198 } 2199 } 2200 2201 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2202 sendAdminCommandLocked(admin, action, null); 2203 } 2204 2205 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2206 sendAdminCommandLocked(admin, action, null, result); 2207 } 2208 2209 /** 2210 * Send an update to one specific admin, get notified when that admin returns a result. 2211 */ 2212 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2213 BroadcastReceiver result) { 2214 Intent intent = new Intent(action); 2215 intent.setComponent(admin.info.getComponent()); 2216 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2217 intent.putExtra("expiration", admin.passwordExpirationDate); 2218 } 2219 if (adminExtras != null) { 2220 intent.putExtras(adminExtras); 2221 } 2222 if (result != null) { 2223 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2224 null, result, mHandler, Activity.RESULT_OK, null, null); 2225 } else { 2226 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2227 } 2228 } 2229 2230 /** 2231 * Send an update to all admins of a user that enforce a specified policy. 2232 */ 2233 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle, Bundle adminExtras) { 2234 final DevicePolicyData policy = getUserData(userHandle); 2235 final int count = policy.mAdminList.size(); 2236 for (int i = 0; i < count; i++) { 2237 final ActiveAdmin admin = policy.mAdminList.get(i); 2238 if (admin.info.usesPolicy(reqPolicy)) { 2239 sendAdminCommandLocked(admin, action, adminExtras, null); 2240 } 2241 } 2242 } 2243 2244 /** 2245 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2246 * enforce a specified policy. 2247 */ 2248 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2249 int userHandle, Bundle adminExtras) { 2250 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2251 for (int profileId : profileIds) { 2252 sendAdminCommandLocked(action, reqPolicy, profileId, adminExtras); 2253 } 2254 } 2255 2256 /** 2257 * Sends a broadcast to each profile that share the password unlock with the given user id. 2258 */ 2259 private void sendAdminCommandForLockscreenPoliciesLocked( 2260 String action, int reqPolicy, int userHandle) { 2261 final Bundle extras = new Bundle(); 2262 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2263 if (isSeparateProfileChallengeEnabled(userHandle)) { 2264 sendAdminCommandLocked(action, reqPolicy, userHandle, extras); 2265 } else { 2266 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle, extras); 2267 } 2268 } 2269 2270 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2271 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2272 DevicePolicyData policy = getUserData(userHandle); 2273 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2274 policy.mRemovingAdmins.add(adminReceiver); 2275 sendAdminCommandLocked(admin, 2276 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2277 new BroadcastReceiver() { 2278 @Override 2279 public void onReceive(Context context, Intent intent) { 2280 removeAdminArtifacts(adminReceiver, userHandle); 2281 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2282 } 2283 }); 2284 } 2285 } 2286 2287 2288 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2289 boolean throwForMissiongPermission) { 2290 if (!mHasFeature) { 2291 return null; 2292 } 2293 enforceFullCrossUsersPermission(userHandle); 2294 ActivityInfo ai = null; 2295 try { 2296 ai = mIPackageManager.getReceiverInfo(adminName, 2297 PackageManager.GET_META_DATA | 2298 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2299 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2300 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2301 } catch (RemoteException e) { 2302 // shouldn't happen. 2303 } 2304 if (ai == null) { 2305 throw new IllegalArgumentException("Unknown admin: " + adminName); 2306 } 2307 2308 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2309 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2310 + permission.BIND_DEVICE_ADMIN; 2311 Slog.w(LOG_TAG, message); 2312 if (throwForMissiongPermission && 2313 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2314 throw new IllegalArgumentException(message); 2315 } 2316 } 2317 2318 try { 2319 return new DeviceAdminInfo(mContext, ai); 2320 } catch (XmlPullParserException | IOException e) { 2321 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2322 e); 2323 return null; 2324 } 2325 } 2326 2327 private JournaledFile makeJournaledFile(int userHandle) { 2328 final String base = userHandle == UserHandle.USER_SYSTEM 2329 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2330 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2331 DEVICE_POLICIES_XML).getAbsolutePath(); 2332 if (VERBOSE_LOG) { 2333 Log.v(LOG_TAG, "Opening " + base); 2334 } 2335 return new JournaledFile(new File(base), new File(base + ".tmp")); 2336 } 2337 2338 private void saveSettingsLocked(int userHandle) { 2339 DevicePolicyData policy = getUserData(userHandle); 2340 JournaledFile journal = makeJournaledFile(userHandle); 2341 FileOutputStream stream = null; 2342 try { 2343 stream = new FileOutputStream(journal.chooseForWrite(), false); 2344 XmlSerializer out = new FastXmlSerializer(); 2345 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2346 out.startDocument(null, true); 2347 2348 out.startTag(null, "policies"); 2349 if (policy.mRestrictionsProvider != null) { 2350 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2351 policy.mRestrictionsProvider.flattenToString()); 2352 } 2353 if (policy.mUserSetupComplete) { 2354 out.attribute(null, ATTR_SETUP_COMPLETE, 2355 Boolean.toString(true)); 2356 } 2357 if (policy.mPaired) { 2358 out.attribute(null, ATTR_DEVICE_PAIRED, 2359 Boolean.toString(true)); 2360 } 2361 if (policy.mDeviceProvisioningConfigApplied) { 2362 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2363 Boolean.toString(true)); 2364 } 2365 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2366 out.attribute(null, ATTR_PROVISIONING_STATE, 2367 Integer.toString(policy.mUserProvisioningState)); 2368 } 2369 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2370 out.attribute(null, ATTR_PERMISSION_POLICY, 2371 Integer.toString(policy.mPermissionPolicy)); 2372 } 2373 if (policy.mDelegatedCertInstallerPackage != null) { 2374 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2375 policy.mDelegatedCertInstallerPackage); 2376 } 2377 if (policy.mApplicationRestrictionsManagingPackage != null) { 2378 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2379 policy.mApplicationRestrictionsManagingPackage); 2380 } 2381 2382 final int N = policy.mAdminList.size(); 2383 for (int i=0; i<N; i++) { 2384 ActiveAdmin ap = policy.mAdminList.get(i); 2385 if (ap != null) { 2386 out.startTag(null, "admin"); 2387 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2388 ap.writeToXml(out); 2389 out.endTag(null, "admin"); 2390 } 2391 } 2392 2393 if (policy.mPasswordOwner >= 0) { 2394 out.startTag(null, "password-owner"); 2395 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2396 out.endTag(null, "password-owner"); 2397 } 2398 2399 if (policy.mFailedPasswordAttempts != 0) { 2400 out.startTag(null, "failed-password-attempts"); 2401 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2402 out.endTag(null, "failed-password-attempts"); 2403 } 2404 2405 // Don't save metrics for FBE devices 2406 final PasswordMetrics metrics = policy.mActivePasswordMetrics; 2407 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() && !metrics.isDefault()) { 2408 out.startTag(null, "active-password"); 2409 out.attribute(null, "quality", Integer.toString(metrics.quality)); 2410 out.attribute(null, "length", Integer.toString(metrics.length)); 2411 out.attribute(null, "uppercase", Integer.toString(metrics.upperCase)); 2412 out.attribute(null, "lowercase", Integer.toString(metrics.lowerCase)); 2413 out.attribute(null, "letters", Integer.toString(metrics.letters)); 2414 out.attribute(null, "numeric", Integer.toString(metrics.numeric)); 2415 out.attribute(null, "symbols", Integer.toString(metrics.symbols)); 2416 out.attribute(null, "nonletter", Integer.toString(metrics.nonLetter)); 2417 out.endTag(null, "active-password"); 2418 } 2419 2420 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2421 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2422 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2423 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2424 } 2425 2426 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2427 String component = policy.mLockTaskPackages.get(i); 2428 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2429 out.attribute(null, "name", component); 2430 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2431 } 2432 2433 if (policy.mStatusBarDisabled) { 2434 out.startTag(null, TAG_STATUS_BAR); 2435 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2436 out.endTag(null, TAG_STATUS_BAR); 2437 } 2438 2439 if (policy.doNotAskCredentialsOnBoot) { 2440 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2441 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2442 } 2443 2444 for (String id : policy.mAffiliationIds) { 2445 out.startTag(null, TAG_AFFILIATION_ID); 2446 out.attribute(null, ATTR_ID, id); 2447 out.endTag(null, TAG_AFFILIATION_ID); 2448 } 2449 2450 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2451 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2452 out.attribute(null, ATTR_VALUE, 2453 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2454 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2455 } 2456 2457 if (policy.mLastBugReportRequestTime >= 0) { 2458 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2459 out.attribute(null, ATTR_VALUE, 2460 Long.toString(policy.mLastBugReportRequestTime)); 2461 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2462 } 2463 2464 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2465 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2466 out.attribute(null, ATTR_VALUE, 2467 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2468 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2469 } 2470 2471 if (policy.mAdminBroadcastPending) { 2472 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2473 out.attribute(null, ATTR_VALUE, 2474 Boolean.toString(policy.mAdminBroadcastPending)); 2475 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2476 } 2477 2478 if (policy.mInitBundle != null) { 2479 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2480 policy.mInitBundle.saveToXml(out); 2481 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2482 } 2483 2484 out.endTag(null, "policies"); 2485 2486 out.endDocument(); 2487 stream.flush(); 2488 FileUtils.sync(stream); 2489 stream.close(); 2490 journal.commit(); 2491 sendChangedNotification(userHandle); 2492 } catch (XmlPullParserException | IOException e) { 2493 Slog.w(LOG_TAG, "failed writing file", e); 2494 try { 2495 if (stream != null) { 2496 stream.close(); 2497 } 2498 } catch (IOException ex) { 2499 // Ignore 2500 } 2501 journal.rollback(); 2502 } 2503 } 2504 2505 private void sendChangedNotification(int userHandle) { 2506 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2507 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2508 long ident = mInjector.binderClearCallingIdentity(); 2509 try { 2510 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2511 } finally { 2512 mInjector.binderRestoreCallingIdentity(ident); 2513 } 2514 } 2515 2516 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2517 JournaledFile journal = makeJournaledFile(userHandle); 2518 FileInputStream stream = null; 2519 File file = journal.chooseForRead(); 2520 boolean needsRewrite = false; 2521 try { 2522 stream = new FileInputStream(file); 2523 XmlPullParser parser = Xml.newPullParser(); 2524 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2525 2526 int type; 2527 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2528 && type != XmlPullParser.START_TAG) { 2529 } 2530 String tag = parser.getName(); 2531 if (!"policies".equals(tag)) { 2532 throw new XmlPullParserException( 2533 "Settings do not start with policies tag: found " + tag); 2534 } 2535 2536 // Extract the permission provider component name if available 2537 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2538 if (permissionProvider != null) { 2539 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2540 } 2541 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2542 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2543 policy.mUserSetupComplete = true; 2544 } 2545 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2546 if (paired != null && Boolean.toString(true).equals(paired)) { 2547 policy.mPaired = true; 2548 } 2549 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2550 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2551 if (deviceProvisioningConfigApplied != null 2552 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2553 policy.mDeviceProvisioningConfigApplied = true; 2554 } 2555 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2556 if (!TextUtils.isEmpty(provisioningState)) { 2557 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2558 } 2559 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2560 if (!TextUtils.isEmpty(permissionPolicy)) { 2561 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2562 } 2563 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2564 ATTR_DELEGATED_CERT_INSTALLER); 2565 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2566 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2567 2568 type = parser.next(); 2569 int outerDepth = parser.getDepth(); 2570 policy.mLockTaskPackages.clear(); 2571 policy.mAdminList.clear(); 2572 policy.mAdminMap.clear(); 2573 policy.mAffiliationIds.clear(); 2574 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2575 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2576 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2577 continue; 2578 } 2579 tag = parser.getName(); 2580 if ("admin".equals(tag)) { 2581 String name = parser.getAttributeValue(null, "name"); 2582 try { 2583 DeviceAdminInfo dai = findAdmin( 2584 ComponentName.unflattenFromString(name), userHandle, 2585 /* throwForMissionPermission= */ false); 2586 if (VERBOSE_LOG 2587 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2588 != userHandle)) { 2589 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2590 + dai.getActivityInfo().applicationInfo.uid + " for user " 2591 + userHandle); 2592 } 2593 if (dai != null) { 2594 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2595 ap.readFromXml(parser); 2596 policy.mAdminMap.put(ap.info.getComponent(), ap); 2597 } 2598 } catch (RuntimeException e) { 2599 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2600 } 2601 } else if ("failed-password-attempts".equals(tag)) { 2602 policy.mFailedPasswordAttempts = Integer.parseInt( 2603 parser.getAttributeValue(null, "value")); 2604 } else if ("password-owner".equals(tag)) { 2605 policy.mPasswordOwner = Integer.parseInt( 2606 parser.getAttributeValue(null, "value")); 2607 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2608 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2609 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2610 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2611 } else if (TAG_STATUS_BAR.equals(tag)) { 2612 policy.mStatusBarDisabled = Boolean.parseBoolean( 2613 parser.getAttributeValue(null, ATTR_DISABLED)); 2614 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2615 policy.doNotAskCredentialsOnBoot = true; 2616 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2617 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2618 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2619 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2620 parser.getAttributeValue(null, ATTR_VALUE)); 2621 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2622 policy.mLastBugReportRequestTime = Long.parseLong( 2623 parser.getAttributeValue(null, ATTR_VALUE)); 2624 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2625 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2626 parser.getAttributeValue(null, ATTR_VALUE)); 2627 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2628 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2629 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2630 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2631 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2632 } else if ("active-password".equals(tag)) { 2633 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2634 // Remove this from FBE devices 2635 needsRewrite = true; 2636 } else { 2637 final PasswordMetrics m = policy.mActivePasswordMetrics; 2638 m.quality = Integer.parseInt(parser.getAttributeValue(null, "quality")); 2639 m.length = Integer.parseInt(parser.getAttributeValue(null, "length")); 2640 m.upperCase = Integer.parseInt(parser.getAttributeValue(null, "uppercase")); 2641 m.lowerCase = Integer.parseInt(parser.getAttributeValue(null, "lowercase")); 2642 m.letters = Integer.parseInt(parser.getAttributeValue(null, "letters")); 2643 m.numeric = Integer.parseInt(parser.getAttributeValue(null, "numeric")); 2644 m.symbols = Integer.parseInt(parser.getAttributeValue(null, "symbols")); 2645 m.nonLetter = Integer.parseInt(parser.getAttributeValue(null, "nonletter")); 2646 } 2647 } else { 2648 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2649 XmlUtils.skipCurrentTag(parser); 2650 } 2651 } 2652 } catch (FileNotFoundException e) { 2653 // Don't be noisy, this is normal if we haven't defined any policies. 2654 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2655 | IndexOutOfBoundsException e) { 2656 Slog.w(LOG_TAG, "failed parsing " + file, e); 2657 } 2658 try { 2659 if (stream != null) { 2660 stream.close(); 2661 } 2662 } catch (IOException e) { 2663 // Ignore 2664 } 2665 2666 // Generate a list of admins from the admin map 2667 policy.mAdminList.addAll(policy.mAdminMap.values()); 2668 2669 // Might need to upgrade the file by rewriting it 2670 if (needsRewrite) { 2671 saveSettingsLocked(userHandle); 2672 } 2673 2674 validatePasswordOwnerLocked(policy); 2675 updateMaximumTimeToLockLocked(userHandle); 2676 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2677 if (policy.mStatusBarDisabled) { 2678 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2679 } 2680 } 2681 2682 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2683 long ident = mInjector.binderClearCallingIdentity(); 2684 try { 2685 mInjector.getIActivityManager() 2686 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2687 } catch (RemoteException e) { 2688 // Not gonna happen. 2689 } finally { 2690 mInjector.binderRestoreCallingIdentity(ident); 2691 } 2692 } 2693 2694 private void updateDeviceOwnerLocked() { 2695 long ident = mInjector.binderClearCallingIdentity(); 2696 try { 2697 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2698 // user id and also protect all other DAs too. 2699 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2700 if (deviceOwnerComponent != null) { 2701 mInjector.getIActivityManager() 2702 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2703 } 2704 } catch (RemoteException e) { 2705 // Not gonna happen. 2706 } finally { 2707 mInjector.binderRestoreCallingIdentity(ident); 2708 } 2709 } 2710 2711 static void validateQualityConstant(int quality) { 2712 switch (quality) { 2713 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2714 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2715 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2716 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2717 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2718 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2719 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2720 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2721 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2722 return; 2723 } 2724 throw new IllegalArgumentException("Invalid quality constant: 0x" 2725 + Integer.toHexString(quality)); 2726 } 2727 2728 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2729 if (policy.mPasswordOwner >= 0) { 2730 boolean haveOwner = false; 2731 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2732 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2733 haveOwner = true; 2734 break; 2735 } 2736 } 2737 if (!haveOwner) { 2738 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2739 + " no longer active; disabling"); 2740 policy.mPasswordOwner = -1; 2741 } 2742 } 2743 } 2744 2745 @VisibleForTesting 2746 void systemReady(int phase) { 2747 if (!mHasFeature) { 2748 return; 2749 } 2750 switch (phase) { 2751 case SystemService.PHASE_LOCK_SETTINGS_READY: 2752 onLockSettingsReady(); 2753 break; 2754 case SystemService.PHASE_BOOT_COMPLETED: 2755 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2756 break; 2757 } 2758 } 2759 2760 private void onLockSettingsReady() { 2761 getUserData(UserHandle.USER_SYSTEM); 2762 loadOwners(); 2763 cleanUpOldUsers(); 2764 2765 onStartUser(UserHandle.USER_SYSTEM); 2766 2767 // Register an observer for watching for user setup complete. 2768 new SetupContentObserver(mHandler).register(); 2769 // Initialize the user setup state, to handle the upgrade case. 2770 updateUserSetupCompleteAndPaired(); 2771 2772 List<String> packageList; 2773 synchronized (this) { 2774 packageList = getKeepUninstalledPackagesLocked(); 2775 } 2776 if (packageList != null) { 2777 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2778 } 2779 2780 synchronized (this) { 2781 // push the force-ephemeral-users policy to the user manager. 2782 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2783 if (deviceOwner != null) { 2784 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2785 } 2786 } 2787 } 2788 2789 private void ensureDeviceOwnerUserStarted() { 2790 final int userId; 2791 synchronized (this) { 2792 if (!mOwners.hasDeviceOwner()) { 2793 return; 2794 } 2795 userId = mOwners.getDeviceOwnerUserId(); 2796 } 2797 if (VERBOSE_LOG) { 2798 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2799 } 2800 if (userId != UserHandle.USER_SYSTEM) { 2801 try { 2802 mInjector.getIActivityManager().startUserInBackground(userId); 2803 2804 // STOPSHIP Prevent the DO user from being killed. 2805 2806 } catch (RemoteException e) { 2807 Slog.w(LOG_TAG, "Exception starting user", e); 2808 } 2809 } 2810 } 2811 2812 private void onStartUser(int userId) { 2813 updateScreenCaptureDisabledInWindowManager(userId, 2814 getScreenCaptureDisabled(null, userId)); 2815 pushUserRestrictions(userId); 2816 } 2817 2818 private void cleanUpOldUsers() { 2819 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2820 // before reboot 2821 Set<Integer> usersWithProfileOwners; 2822 Set<Integer> usersWithData; 2823 synchronized(this) { 2824 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2825 usersWithData = new ArraySet<>(); 2826 for (int i = 0; i < mUserData.size(); i++) { 2827 usersWithData.add(mUserData.keyAt(i)); 2828 } 2829 } 2830 List<UserInfo> allUsers = mUserManager.getUsers(); 2831 2832 Set<Integer> deletedUsers = new ArraySet<>(); 2833 deletedUsers.addAll(usersWithProfileOwners); 2834 deletedUsers.addAll(usersWithData); 2835 for (UserInfo userInfo : allUsers) { 2836 deletedUsers.remove(userInfo.id); 2837 } 2838 for (Integer userId : deletedUsers) { 2839 removeUserData(userId); 2840 } 2841 } 2842 2843 private void handlePasswordExpirationNotification(int userHandle) { 2844 final Bundle adminExtras = new Bundle(); 2845 adminExtras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2846 2847 synchronized (this) { 2848 final long now = System.currentTimeMillis(); 2849 2850 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2851 userHandle, /* parent */ false); 2852 final int N = admins.size(); 2853 for (int i = 0; i < N; i++) { 2854 ActiveAdmin admin = admins.get(i); 2855 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2856 && admin.passwordExpirationTimeout > 0L 2857 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2858 && admin.passwordExpirationDate > 0L) { 2859 sendAdminCommandLocked(admin, 2860 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING, adminExtras, null); 2861 } 2862 } 2863 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2864 } 2865 } 2866 2867 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2868 @Override 2869 protected Void doInBackground(Integer... params) { 2870 int userHandle = params[0]; 2871 2872 if (userHandle == UserHandle.USER_ALL) { 2873 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2874 manageNotification(userInfo.getUserHandle()); 2875 } 2876 } else { 2877 manageNotification(UserHandle.of(userHandle)); 2878 } 2879 return null; 2880 } 2881 2882 private void manageNotification(UserHandle userHandle) { 2883 if (!mUserManager.isUserUnlocked(userHandle)) { 2884 return; 2885 } 2886 2887 // Call out to KeyChain to check for CAs which are waiting for approval. 2888 final List<String> pendingCertificates; 2889 try { 2890 pendingCertificates = getInstalledCaCertificates(userHandle); 2891 } catch (RemoteException | RuntimeException e) { 2892 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2893 return; 2894 } 2895 2896 synchronized (DevicePolicyManagerService.this) { 2897 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2898 2899 // Remove deleted certificates. Flush xml if necessary. 2900 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2901 saveSettingsLocked(userHandle.getIdentifier()); 2902 } 2903 // Trim to approved certificates. 2904 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2905 } 2906 2907 if (pendingCertificates.isEmpty()) { 2908 mInjector.getNotificationManager().cancelAsUser( 2909 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2910 return; 2911 } 2912 2913 // Build and show a warning notification 2914 int smallIconId; 2915 String contentText; 2916 int parentUserId = userHandle.getIdentifier(); 2917 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2918 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2919 getProfileOwnerName(userHandle.getIdentifier())); 2920 smallIconId = R.drawable.stat_sys_certificate_info; 2921 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2922 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2923 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2924 getDeviceOwnerName()); 2925 smallIconId = R.drawable.stat_sys_certificate_info; 2926 } else { 2927 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2928 smallIconId = android.R.drawable.stat_sys_warning; 2929 } 2930 2931 final int numberOfCertificates = pendingCertificates.size(); 2932 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2933 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2934 dialogIntent.setPackage("com.android.settings"); 2935 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 2936 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 2937 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2938 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 2939 new UserHandle(parentUserId)); 2940 2941 final Context userContext; 2942 try { 2943 final String packageName = mContext.getPackageName(); 2944 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 2945 } catch (PackageManager.NameNotFoundException e) { 2946 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2947 return; 2948 } 2949 final Notification noti = new Notification.Builder(userContext) 2950 .setSmallIcon(smallIconId) 2951 .setContentTitle(mContext.getResources().getQuantityText( 2952 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 2953 .setContentText(contentText) 2954 .setContentIntent(notifyIntent) 2955 .setPriority(Notification.PRIORITY_HIGH) 2956 .setShowWhen(false) 2957 .setColor(mContext.getColor( 2958 com.android.internal.R.color.system_notification_accent_color)) 2959 .build(); 2960 2961 mInjector.getNotificationManager().notifyAsUser( 2962 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2963 } 2964 2965 private List<String> getInstalledCaCertificates(UserHandle userHandle) 2966 throws RemoteException, RuntimeException { 2967 KeyChainConnection conn = null; 2968 try { 2969 conn = KeyChain.bindAsUser(mContext, userHandle); 2970 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 2971 List<String> result = new ArrayList<>(aliases.size()); 2972 for (int i = 0; i < aliases.size(); i++) { 2973 result.add(aliases.get(i).string); 2974 } 2975 return result; 2976 } catch (InterruptedException e) { 2977 Thread.currentThread().interrupt(); 2978 return null; 2979 } catch (AssertionError e) { 2980 throw new RuntimeException(e); 2981 } finally { 2982 if (conn != null) { 2983 conn.close(); 2984 } 2985 } 2986 } 2987 } 2988 2989 /** 2990 * @param adminReceiver The admin to add 2991 * @param refreshing true = update an active admin, no error 2992 */ 2993 @Override 2994 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2995 if (!mHasFeature) { 2996 return; 2997 } 2998 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2999 } 3000 3001 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 3002 Bundle onEnableData) { 3003 mContext.enforceCallingOrSelfPermission( 3004 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3005 enforceFullCrossUsersPermission(userHandle); 3006 3007 DevicePolicyData policy = getUserData(userHandle); 3008 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 3009 /* throwForMissionPermission= */ true); 3010 if (info == null) { 3011 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 3012 } 3013 if (!info.getActivityInfo().applicationInfo.isInternal()) { 3014 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 3015 + adminReceiver); 3016 } 3017 synchronized (this) { 3018 long ident = mInjector.binderClearCallingIdentity(); 3019 try { 3020 final ActiveAdmin existingAdmin 3021 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3022 if (!refreshing && existingAdmin != null) { 3023 throw new IllegalArgumentException("Admin is already added"); 3024 } 3025 if (policy.mRemovingAdmins.contains(adminReceiver)) { 3026 throw new IllegalArgumentException( 3027 "Trying to set an admin which is being removed"); 3028 } 3029 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 3030 newAdmin.testOnlyAdmin = 3031 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 3032 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 3033 policy.mAdminMap.put(adminReceiver, newAdmin); 3034 int replaceIndex = -1; 3035 final int N = policy.mAdminList.size(); 3036 for (int i=0; i < N; i++) { 3037 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 3038 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 3039 replaceIndex = i; 3040 break; 3041 } 3042 } 3043 if (replaceIndex == -1) { 3044 policy.mAdminList.add(newAdmin); 3045 enableIfNecessary(info.getPackageName(), userHandle); 3046 } else { 3047 policy.mAdminList.set(replaceIndex, newAdmin); 3048 } 3049 saveSettingsLocked(userHandle); 3050 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 3051 onEnableData, null); 3052 } finally { 3053 mInjector.binderRestoreCallingIdentity(ident); 3054 } 3055 } 3056 } 3057 3058 @Override 3059 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3060 if (!mHasFeature) { 3061 return false; 3062 } 3063 enforceFullCrossUsersPermission(userHandle); 3064 synchronized (this) { 3065 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3066 } 3067 } 3068 3069 @Override 3070 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3071 if (!mHasFeature) { 3072 return false; 3073 } 3074 enforceFullCrossUsersPermission(userHandle); 3075 synchronized (this) { 3076 DevicePolicyData policyData = getUserData(userHandle); 3077 return policyData.mRemovingAdmins.contains(adminReceiver); 3078 } 3079 } 3080 3081 @Override 3082 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3083 if (!mHasFeature) { 3084 return false; 3085 } 3086 enforceFullCrossUsersPermission(userHandle); 3087 synchronized (this) { 3088 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3089 if (administrator == null) { 3090 throw new SecurityException("No active admin " + adminReceiver); 3091 } 3092 return administrator.info.usesPolicy(policyId); 3093 } 3094 } 3095 3096 @Override 3097 @SuppressWarnings("unchecked") 3098 public List<ComponentName> getActiveAdmins(int userHandle) { 3099 if (!mHasFeature) { 3100 return Collections.EMPTY_LIST; 3101 } 3102 3103 enforceFullCrossUsersPermission(userHandle); 3104 synchronized (this) { 3105 DevicePolicyData policy = getUserData(userHandle); 3106 final int N = policy.mAdminList.size(); 3107 if (N <= 0) { 3108 return null; 3109 } 3110 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3111 for (int i=0; i<N; i++) { 3112 res.add(policy.mAdminList.get(i).info.getComponent()); 3113 } 3114 return res; 3115 } 3116 } 3117 3118 @Override 3119 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3120 if (!mHasFeature) { 3121 return false; 3122 } 3123 enforceFullCrossUsersPermission(userHandle); 3124 synchronized (this) { 3125 DevicePolicyData policy = getUserData(userHandle); 3126 final int N = policy.mAdminList.size(); 3127 for (int i=0; i<N; i++) { 3128 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3129 return true; 3130 } 3131 } 3132 return false; 3133 } 3134 } 3135 3136 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3137 if (!mHasFeature) { 3138 return; 3139 } 3140 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3141 enforceShell("forceRemoveActiveAdmin"); 3142 long ident = mInjector.binderClearCallingIdentity(); 3143 try { 3144 synchronized (this) { 3145 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3146 throw new SecurityException("Attempt to remove non-test admin " 3147 + adminReceiver + " " + userHandle); 3148 } 3149 3150 // If admin is a device or profile owner tidy that up first. 3151 if (isDeviceOwner(adminReceiver, userHandle)) { 3152 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3153 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userHandle)); 3154 } 3155 if (isProfileOwner(adminReceiver, userHandle)) { 3156 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3157 userHandle, /* parent */ false); 3158 clearProfileOwnerLocked(admin, userHandle); 3159 } 3160 } 3161 // Remove the admin skipping sending the broadcast. 3162 removeAdminArtifacts(adminReceiver, userHandle); 3163 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3164 } finally { 3165 mInjector.binderRestoreCallingIdentity(ident); 3166 } 3167 } 3168 3169 // It's temporary solution to clear DISALLOW_ADD_USER after CTS 3170 // STOPSHIP(b/31952368) when the restriction is moved from system to the device owner, 3171 // it can be removed. 3172 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3173 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3174 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3175 } 3176 } 3177 3178 /** 3179 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3180 * for CTS. 3181 * 3182 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3183 * to check wehter an active admin is test-only or not. 3184 * 3185 * The system allows this flag to be changed when an app is updated, which is not good 3186 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3187 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3188 */ 3189 private boolean isPackageTestOnly(String packageName, int userHandle) { 3190 final ApplicationInfo ai; 3191 try { 3192 ai = mIPackageManager.getApplicationInfo(packageName, 3193 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3194 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3195 } catch (RemoteException e) { 3196 throw new IllegalStateException(e); 3197 } 3198 if (ai == null) { 3199 throw new IllegalStateException("Couldn't find package: " 3200 + packageName + " on user " + userHandle); 3201 } 3202 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3203 } 3204 3205 /** 3206 * See {@link #isPackageTestOnly}. 3207 */ 3208 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3209 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3210 return (admin != null) && admin.testOnlyAdmin; 3211 } 3212 3213 private void enforceShell(String method) { 3214 final int callingUid = Binder.getCallingUid(); 3215 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3216 throw new SecurityException("Non-shell user attempted to call " + method); 3217 } 3218 } 3219 3220 @Override 3221 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3222 if (!mHasFeature) { 3223 return; 3224 } 3225 enforceFullCrossUsersPermission(userHandle); 3226 enforceUserUnlocked(userHandle); 3227 synchronized (this) { 3228 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3229 if (admin == null) { 3230 return; 3231 } 3232 // Active device/profile owners must remain active admins. 3233 if (isDeviceOwner(adminReceiver, userHandle) 3234 || isProfileOwner(adminReceiver, userHandle)) { 3235 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3236 adminReceiver); 3237 return; 3238 } 3239 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3240 mContext.enforceCallingOrSelfPermission( 3241 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3242 } 3243 long ident = mInjector.binderClearCallingIdentity(); 3244 try { 3245 removeActiveAdminLocked(adminReceiver, userHandle); 3246 } finally { 3247 mInjector.binderRestoreCallingIdentity(ident); 3248 } 3249 } 3250 } 3251 3252 @Override 3253 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3254 ComponentName profileOwner = getProfileOwner(userHandle); 3255 // Profile challenge is supported on N or newer release. 3256 return profileOwner != null && 3257 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3258 } 3259 3260 @Override 3261 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3262 if (!mHasFeature) { 3263 return; 3264 } 3265 Preconditions.checkNotNull(who, "ComponentName is null"); 3266 validateQualityConstant(quality); 3267 3268 synchronized (this) { 3269 ActiveAdmin ap = getActiveAdminForCallerLocked( 3270 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3271 if (ap.minimumPasswordMetrics.quality != quality) { 3272 ap.minimumPasswordMetrics.quality = quality; 3273 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3274 } 3275 } 3276 } 3277 3278 @Override 3279 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3280 if (!mHasFeature) { 3281 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3282 } 3283 enforceFullCrossUsersPermission(userHandle); 3284 synchronized (this) { 3285 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3286 3287 if (who != null) { 3288 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3289 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3290 } 3291 3292 // Return the strictest policy across all participating admins. 3293 List<ActiveAdmin> admins = 3294 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3295 final int N = admins.size(); 3296 for (int i = 0; i < N; i++) { 3297 ActiveAdmin admin = admins.get(i); 3298 if (mode < admin.minimumPasswordMetrics.quality) { 3299 mode = admin.minimumPasswordMetrics.quality; 3300 } 3301 } 3302 return mode; 3303 } 3304 } 3305 3306 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3307 int userHandle, boolean parent) { 3308 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3309 // If this user has a separate challenge, only return its restrictions. 3310 return getUserDataUnchecked(userHandle).mAdminList; 3311 } else { 3312 // Return all admins for this user and the profiles that are visible from this 3313 // user that do not use a separate work challenge. 3314 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3315 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3316 DevicePolicyData policy = getUserData(userInfo.id); 3317 if (!userInfo.isManagedProfile()) { 3318 admins.addAll(policy.mAdminList); 3319 } else { 3320 // For managed profiles, we always include the policies set on the parent 3321 // profile. Additionally, we include the ones set on the managed profile 3322 // if no separate challenge is in place. 3323 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3324 final int N = policy.mAdminList.size(); 3325 for (int i = 0; i < N; i++) { 3326 ActiveAdmin admin = policy.mAdminList.get(i); 3327 if (admin.hasParentActiveAdmin()) { 3328 admins.add(admin.getParentActiveAdmin()); 3329 } 3330 if (!hasSeparateChallenge) { 3331 admins.add(admin); 3332 } 3333 } 3334 } 3335 } 3336 return admins; 3337 } 3338 } 3339 3340 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3341 long ident = mInjector.binderClearCallingIdentity(); 3342 try { 3343 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3344 } finally { 3345 mInjector.binderRestoreCallingIdentity(ident); 3346 } 3347 } 3348 3349 @Override 3350 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3351 if (!mHasFeature) { 3352 return; 3353 } 3354 Preconditions.checkNotNull(who, "ComponentName is null"); 3355 synchronized (this) { 3356 ActiveAdmin ap = getActiveAdminForCallerLocked( 3357 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3358 if (ap.minimumPasswordMetrics.length != length) { 3359 ap.minimumPasswordMetrics.length = length; 3360 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3361 } 3362 } 3363 } 3364 3365 @Override 3366 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3367 if (!mHasFeature) { 3368 return 0; 3369 } 3370 enforceFullCrossUsersPermission(userHandle); 3371 synchronized (this) { 3372 int length = 0; 3373 3374 if (who != null) { 3375 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3376 return admin != null ? admin.minimumPasswordMetrics.length : length; 3377 } 3378 3379 // Return the strictest policy across all participating admins. 3380 List<ActiveAdmin> admins = 3381 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3382 final int N = admins.size(); 3383 for (int i = 0; i < N; i++) { 3384 ActiveAdmin admin = admins.get(i); 3385 if (length < admin.minimumPasswordMetrics.length) { 3386 length = admin.minimumPasswordMetrics.length; 3387 } 3388 } 3389 return length; 3390 } 3391 } 3392 3393 @Override 3394 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3395 if (!mHasFeature) { 3396 return; 3397 } 3398 Preconditions.checkNotNull(who, "ComponentName is null"); 3399 synchronized (this) { 3400 ActiveAdmin ap = getActiveAdminForCallerLocked( 3401 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3402 if (ap.passwordHistoryLength != length) { 3403 ap.passwordHistoryLength = length; 3404 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3405 } 3406 } 3407 } 3408 3409 @Override 3410 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3411 if (!mHasFeature) { 3412 return 0; 3413 } 3414 enforceFullCrossUsersPermission(userHandle); 3415 synchronized (this) { 3416 int length = 0; 3417 3418 if (who != null) { 3419 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3420 return admin != null ? admin.passwordHistoryLength : length; 3421 } 3422 3423 // Return the strictest policy across all participating admins. 3424 List<ActiveAdmin> admins = 3425 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3426 final int N = admins.size(); 3427 for (int i = 0; i < N; i++) { 3428 ActiveAdmin admin = admins.get(i); 3429 if (length < admin.passwordHistoryLength) { 3430 length = admin.passwordHistoryLength; 3431 } 3432 } 3433 3434 return length; 3435 } 3436 } 3437 3438 @Override 3439 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3440 if (!mHasFeature) { 3441 return; 3442 } 3443 Preconditions.checkNotNull(who, "ComponentName is null"); 3444 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3445 final int userHandle = mInjector.userHandleGetCallingUserId(); 3446 synchronized (this) { 3447 ActiveAdmin ap = getActiveAdminForCallerLocked( 3448 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3449 // Calling this API automatically bumps the expiration date 3450 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3451 ap.passwordExpirationDate = expiration; 3452 ap.passwordExpirationTimeout = timeout; 3453 if (timeout > 0L) { 3454 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3455 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3456 .format(new Date(expiration))); 3457 } 3458 saveSettingsLocked(userHandle); 3459 3460 // in case this is the first one, set the alarm on the appropriate user. 3461 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3462 } 3463 } 3464 3465 /** 3466 * Return a single admin's expiration cycle time, or the min of all cycle times. 3467 * Returns 0 if not configured. 3468 */ 3469 @Override 3470 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3471 if (!mHasFeature) { 3472 return 0L; 3473 } 3474 enforceFullCrossUsersPermission(userHandle); 3475 synchronized (this) { 3476 long timeout = 0L; 3477 3478 if (who != null) { 3479 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3480 return admin != null ? admin.passwordExpirationTimeout : timeout; 3481 } 3482 3483 // Return the strictest policy across all participating admins. 3484 List<ActiveAdmin> admins = 3485 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3486 final int N = admins.size(); 3487 for (int i = 0; i < N; i++) { 3488 ActiveAdmin admin = admins.get(i); 3489 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3490 && timeout > admin.passwordExpirationTimeout)) { 3491 timeout = admin.passwordExpirationTimeout; 3492 } 3493 } 3494 return timeout; 3495 } 3496 } 3497 3498 @Override 3499 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3500 final int userId = UserHandle.getCallingUserId(); 3501 List<String> changedProviders = null; 3502 3503 synchronized (this) { 3504 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3505 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3506 if (activeAdmin.crossProfileWidgetProviders == null) { 3507 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3508 } 3509 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3510 if (!providers.contains(packageName)) { 3511 providers.add(packageName); 3512 changedProviders = new ArrayList<>(providers); 3513 saveSettingsLocked(userId); 3514 } 3515 } 3516 3517 if (changedProviders != null) { 3518 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3519 return true; 3520 } 3521 3522 return false; 3523 } 3524 3525 @Override 3526 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3527 final int userId = UserHandle.getCallingUserId(); 3528 List<String> changedProviders = null; 3529 3530 synchronized (this) { 3531 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3532 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3533 if (activeAdmin.crossProfileWidgetProviders == null 3534 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3535 return false; 3536 } 3537 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3538 if (providers.remove(packageName)) { 3539 changedProviders = new ArrayList<>(providers); 3540 saveSettingsLocked(userId); 3541 } 3542 } 3543 3544 if (changedProviders != null) { 3545 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3546 return true; 3547 } 3548 3549 return false; 3550 } 3551 3552 @Override 3553 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3554 synchronized (this) { 3555 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3556 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3557 if (activeAdmin.crossProfileWidgetProviders == null 3558 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3559 return null; 3560 } 3561 if (mInjector.binderIsCallingUidMyUid()) { 3562 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3563 } else { 3564 return activeAdmin.crossProfileWidgetProviders; 3565 } 3566 } 3567 } 3568 3569 /** 3570 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3571 * Returns 0 if not configured. 3572 */ 3573 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3574 long timeout = 0L; 3575 3576 if (who != null) { 3577 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3578 return admin != null ? admin.passwordExpirationDate : timeout; 3579 } 3580 3581 // Return the strictest policy across all participating admins. 3582 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3583 final int N = admins.size(); 3584 for (int i = 0; i < N; i++) { 3585 ActiveAdmin admin = admins.get(i); 3586 if (timeout == 0L || (admin.passwordExpirationDate != 0 3587 && timeout > admin.passwordExpirationDate)) { 3588 timeout = admin.passwordExpirationDate; 3589 } 3590 } 3591 return timeout; 3592 } 3593 3594 @Override 3595 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3596 if (!mHasFeature) { 3597 return 0L; 3598 } 3599 enforceFullCrossUsersPermission(userHandle); 3600 synchronized (this) { 3601 return getPasswordExpirationLocked(who, userHandle, parent); 3602 } 3603 } 3604 3605 @Override 3606 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3607 if (!mHasFeature) { 3608 return; 3609 } 3610 Preconditions.checkNotNull(who, "ComponentName is null"); 3611 synchronized (this) { 3612 ActiveAdmin ap = getActiveAdminForCallerLocked( 3613 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3614 if (ap.minimumPasswordMetrics.upperCase != length) { 3615 ap.minimumPasswordMetrics.upperCase = length; 3616 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3617 } 3618 } 3619 } 3620 3621 @Override 3622 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3623 if (!mHasFeature) { 3624 return 0; 3625 } 3626 enforceFullCrossUsersPermission(userHandle); 3627 synchronized (this) { 3628 int length = 0; 3629 3630 if (who != null) { 3631 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3632 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3633 } 3634 3635 // Return the strictest policy across all participating admins. 3636 List<ActiveAdmin> admins = 3637 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3638 final int N = admins.size(); 3639 for (int i = 0; i < N; i++) { 3640 ActiveAdmin admin = admins.get(i); 3641 if (length < admin.minimumPasswordMetrics.upperCase) { 3642 length = admin.minimumPasswordMetrics.upperCase; 3643 } 3644 } 3645 return length; 3646 } 3647 } 3648 3649 @Override 3650 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3651 Preconditions.checkNotNull(who, "ComponentName is null"); 3652 synchronized (this) { 3653 ActiveAdmin ap = getActiveAdminForCallerLocked( 3654 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3655 if (ap.minimumPasswordMetrics.lowerCase != length) { 3656 ap.minimumPasswordMetrics.lowerCase = length; 3657 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3658 } 3659 } 3660 } 3661 3662 @Override 3663 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3664 if (!mHasFeature) { 3665 return 0; 3666 } 3667 enforceFullCrossUsersPermission(userHandle); 3668 synchronized (this) { 3669 int length = 0; 3670 3671 if (who != null) { 3672 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3673 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3674 } 3675 3676 // Return the strictest policy across all participating admins. 3677 List<ActiveAdmin> admins = 3678 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3679 final int N = admins.size(); 3680 for (int i = 0; i < N; i++) { 3681 ActiveAdmin admin = admins.get(i); 3682 if (length < admin.minimumPasswordMetrics.lowerCase) { 3683 length = admin.minimumPasswordMetrics.lowerCase; 3684 } 3685 } 3686 return length; 3687 } 3688 } 3689 3690 @Override 3691 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3692 if (!mHasFeature) { 3693 return; 3694 } 3695 Preconditions.checkNotNull(who, "ComponentName is null"); 3696 synchronized (this) { 3697 ActiveAdmin ap = getActiveAdminForCallerLocked( 3698 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3699 if (ap.minimumPasswordMetrics.letters != length) { 3700 ap.minimumPasswordMetrics.letters = length; 3701 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3702 } 3703 } 3704 } 3705 3706 @Override 3707 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3708 if (!mHasFeature) { 3709 return 0; 3710 } 3711 enforceFullCrossUsersPermission(userHandle); 3712 synchronized (this) { 3713 int length = 0; 3714 3715 if (who != null) { 3716 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3717 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3718 } 3719 3720 // Return the strictest policy across all participating admins. 3721 List<ActiveAdmin> admins = 3722 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3723 final int N = admins.size(); 3724 for (int i = 0; i < N; i++) { 3725 ActiveAdmin admin = admins.get(i); 3726 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3727 continue; 3728 } 3729 if (length < admin.minimumPasswordMetrics.letters) { 3730 length = admin.minimumPasswordMetrics.letters; 3731 } 3732 } 3733 return length; 3734 } 3735 } 3736 3737 @Override 3738 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3739 if (!mHasFeature) { 3740 return; 3741 } 3742 Preconditions.checkNotNull(who, "ComponentName is null"); 3743 synchronized (this) { 3744 ActiveAdmin ap = getActiveAdminForCallerLocked( 3745 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3746 if (ap.minimumPasswordMetrics.numeric != length) { 3747 ap.minimumPasswordMetrics.numeric = length; 3748 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3749 } 3750 } 3751 } 3752 3753 @Override 3754 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3755 if (!mHasFeature) { 3756 return 0; 3757 } 3758 enforceFullCrossUsersPermission(userHandle); 3759 synchronized (this) { 3760 int length = 0; 3761 3762 if (who != null) { 3763 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3764 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3765 } 3766 3767 // Return the strictest policy across all participating admins. 3768 List<ActiveAdmin> admins = 3769 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3770 final int N = admins.size(); 3771 for (int i = 0; i < N; i++) { 3772 ActiveAdmin admin = admins.get(i); 3773 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3774 continue; 3775 } 3776 if (length < admin.minimumPasswordMetrics.numeric) { 3777 length = admin.minimumPasswordMetrics.numeric; 3778 } 3779 } 3780 return length; 3781 } 3782 } 3783 3784 @Override 3785 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3786 if (!mHasFeature) { 3787 return; 3788 } 3789 Preconditions.checkNotNull(who, "ComponentName is null"); 3790 synchronized (this) { 3791 ActiveAdmin ap = getActiveAdminForCallerLocked( 3792 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3793 if (ap.minimumPasswordMetrics.symbols != length) { 3794 ap.minimumPasswordMetrics.symbols = length; 3795 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3796 } 3797 } 3798 } 3799 3800 @Override 3801 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3802 if (!mHasFeature) { 3803 return 0; 3804 } 3805 enforceFullCrossUsersPermission(userHandle); 3806 synchronized (this) { 3807 int length = 0; 3808 3809 if (who != null) { 3810 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3811 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 3812 } 3813 3814 // Return the strictest policy across all participating admins. 3815 List<ActiveAdmin> admins = 3816 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3817 final int N = admins.size(); 3818 for (int i = 0; i < N; i++) { 3819 ActiveAdmin admin = admins.get(i); 3820 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3821 continue; 3822 } 3823 if (length < admin.minimumPasswordMetrics.symbols) { 3824 length = admin.minimumPasswordMetrics.symbols; 3825 } 3826 } 3827 return length; 3828 } 3829 } 3830 3831 @Override 3832 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3833 if (!mHasFeature) { 3834 return; 3835 } 3836 Preconditions.checkNotNull(who, "ComponentName is null"); 3837 synchronized (this) { 3838 ActiveAdmin ap = getActiveAdminForCallerLocked( 3839 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3840 if (ap.minimumPasswordMetrics.nonLetter != length) { 3841 ap.minimumPasswordMetrics.nonLetter = length; 3842 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3843 } 3844 } 3845 } 3846 3847 @Override 3848 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3849 if (!mHasFeature) { 3850 return 0; 3851 } 3852 enforceFullCrossUsersPermission(userHandle); 3853 synchronized (this) { 3854 int length = 0; 3855 3856 if (who != null) { 3857 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3858 return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; 3859 } 3860 3861 // Return the strictest policy across all participating admins. 3862 List<ActiveAdmin> admins = 3863 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3864 final int N = admins.size(); 3865 for (int i = 0; i < N; i++) { 3866 ActiveAdmin admin = admins.get(i); 3867 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3868 continue; 3869 } 3870 if (length < admin.minimumPasswordMetrics.nonLetter) { 3871 length = admin.minimumPasswordMetrics.nonLetter; 3872 } 3873 } 3874 return length; 3875 } 3876 } 3877 3878 @Override 3879 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3880 if (!mHasFeature) { 3881 return true; 3882 } 3883 enforceFullCrossUsersPermission(userHandle); 3884 3885 synchronized (this) { 3886 // This API can only be called by an active device admin, 3887 // so try to retrieve it to check that the caller is one. 3888 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3889 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3890 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3891 } 3892 } 3893 3894 @Override 3895 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3896 if (!mHasFeature) { 3897 return true; 3898 } 3899 enforceFullCrossUsersPermission(userHandle); 3900 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3901 3902 synchronized (this) { 3903 int targetUser = getProfileParentId(userHandle); 3904 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3905 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3906 } 3907 } 3908 3909 private boolean isActivePasswordSufficientForUserLocked( 3910 DevicePolicyData policy, int userHandle, boolean parent) { 3911 enforceUserUnlocked(userHandle, parent); 3912 3913 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 3914 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 3915 return false; 3916 } 3917 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 3918 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 3919 null, userHandle, parent)) { 3920 return false; 3921 } 3922 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3923 return true; 3924 } 3925 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 3926 null, userHandle, parent) 3927 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 3928 null, userHandle, parent) 3929 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 3930 null, userHandle, parent) 3931 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 3932 null, userHandle, parent) 3933 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 3934 null, userHandle, parent) 3935 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 3936 null, userHandle, parent); 3937 } 3938 3939 @Override 3940 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3941 enforceFullCrossUsersPermission(userHandle); 3942 synchronized (this) { 3943 if (!isCallerWithSystemUid()) { 3944 // This API can only be called by an active device admin, 3945 // so try to retrieve it to check that the caller is one. 3946 getActiveAdminForCallerLocked( 3947 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3948 } 3949 3950 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3951 3952 return policy.mFailedPasswordAttempts; 3953 } 3954 } 3955 3956 @Override 3957 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3958 if (!mHasFeature) { 3959 return; 3960 } 3961 Preconditions.checkNotNull(who, "ComponentName is null"); 3962 synchronized (this) { 3963 // This API can only be called by an active device admin, 3964 // so try to retrieve it to check that the caller is one. 3965 getActiveAdminForCallerLocked( 3966 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3967 ActiveAdmin ap = getActiveAdminForCallerLocked( 3968 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3969 if (ap.maximumFailedPasswordsForWipe != num) { 3970 ap.maximumFailedPasswordsForWipe = num; 3971 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3972 } 3973 } 3974 } 3975 3976 @Override 3977 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3978 if (!mHasFeature) { 3979 return 0; 3980 } 3981 enforceFullCrossUsersPermission(userHandle); 3982 synchronized (this) { 3983 ActiveAdmin admin = (who != null) 3984 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3985 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3986 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3987 } 3988 } 3989 3990 @Override 3991 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3992 if (!mHasFeature) { 3993 return UserHandle.USER_NULL; 3994 } 3995 enforceFullCrossUsersPermission(userHandle); 3996 synchronized (this) { 3997 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3998 userHandle, parent); 3999 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 4000 } 4001 } 4002 4003 /** 4004 * Returns the admin with the strictest policy on maximum failed passwords for: 4005 * <ul> 4006 * <li>this user if it has a separate profile challenge, or 4007 * <li>this user and all profiles that don't have their own challenge otherwise. 4008 * </ul> 4009 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 4010 * the primary profile. 4011 * Returns {@code null} if no participating admin has that policy set. 4012 */ 4013 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 4014 int userHandle, boolean parent) { 4015 int count = 0; 4016 ActiveAdmin strictestAdmin = null; 4017 4018 // Return the strictest policy across all participating admins. 4019 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4020 final int N = admins.size(); 4021 for (int i = 0; i < N; i++) { 4022 ActiveAdmin admin = admins.get(i); 4023 if (admin.maximumFailedPasswordsForWipe == 4024 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 4025 continue; // No max number of failed passwords policy set for this profile. 4026 } 4027 4028 // We always favor the primary profile if several profiles have the same value set. 4029 int userId = admin.getUserHandle().getIdentifier(); 4030 if (count == 0 || 4031 count > admin.maximumFailedPasswordsForWipe || 4032 (count == admin.maximumFailedPasswordsForWipe && 4033 getUserInfo(userId).isPrimary())) { 4034 count = admin.maximumFailedPasswordsForWipe; 4035 strictestAdmin = admin; 4036 } 4037 } 4038 return strictestAdmin; 4039 } 4040 4041 private UserInfo getUserInfo(@UserIdInt int userId) { 4042 final long token = mInjector.binderClearCallingIdentity(); 4043 try { 4044 return mUserManager.getUserInfo(userId); 4045 } finally { 4046 mInjector.binderRestoreCallingIdentity(token); 4047 } 4048 } 4049 4050 @Override 4051 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 4052 if (!mHasFeature) { 4053 return false; 4054 } 4055 final int callingUid = mInjector.binderGetCallingUid(); 4056 final int userHandle = mInjector.userHandleGetCallingUserId(); 4057 4058 String password = passwordOrNull != null ? passwordOrNull : ""; 4059 4060 // Password resetting to empty/null is not allowed for managed profiles. 4061 if (TextUtils.isEmpty(password)) { 4062 enforceNotManagedProfile(userHandle, "clear the active password"); 4063 } 4064 4065 int quality; 4066 synchronized (this) { 4067 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4068 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4069 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4070 final boolean preN; 4071 if (admin != null) { 4072 preN = getTargetSdk(admin.info.getPackageName(), 4073 userHandle) <= android.os.Build.VERSION_CODES.M; 4074 } else { 4075 // Otherwise, make sure the caller has any active admin with the right policy. 4076 admin = getActiveAdminForCallerLocked(null, 4077 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4078 preN = getTargetSdk(admin.info.getPackageName(), 4079 userHandle) <= android.os.Build.VERSION_CODES.M; 4080 4081 // As of N, password resetting to empty/null is not allowed anymore. 4082 // TODO Should we allow DO/PO to set an empty password? 4083 if (TextUtils.isEmpty(password)) { 4084 if (!preN) { 4085 throw new SecurityException("Cannot call with null password"); 4086 } else { 4087 Slog.e(LOG_TAG, "Cannot call with null password"); 4088 return false; 4089 } 4090 } 4091 // As of N, password cannot be changed by the admin if it is already set. 4092 if (isLockScreenSecureUnchecked(userHandle)) { 4093 if (!preN) { 4094 throw new SecurityException("Admin cannot change current password"); 4095 } else { 4096 Slog.e(LOG_TAG, "Admin cannot change current password"); 4097 return false; 4098 } 4099 } 4100 } 4101 // Do not allow to reset password when current user has a managed profile 4102 if (!isManagedProfile(userHandle)) { 4103 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4104 if (userInfo.isManagedProfile()) { 4105 if (!preN) { 4106 throw new IllegalStateException( 4107 "Cannot reset password on user has managed profile"); 4108 } else { 4109 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4110 return false; 4111 } 4112 } 4113 } 4114 } 4115 // Do not allow to reset password when user is locked 4116 if (!mUserManager.isUserUnlocked(userHandle)) { 4117 if (!preN) { 4118 throw new IllegalStateException("Cannot reset password when user is locked"); 4119 } else { 4120 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4121 return false; 4122 } 4123 } 4124 4125 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4126 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4127 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4128 } 4129 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4130 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4131 final int realQuality = metrics.quality; 4132 if (realQuality < quality 4133 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4134 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4135 + Integer.toHexString(realQuality) 4136 + " does not meet required quality 0x" 4137 + Integer.toHexString(quality)); 4138 return false; 4139 } 4140 quality = Math.max(realQuality, quality); 4141 } 4142 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4143 if (password.length() < length) { 4144 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4145 + " does not meet required length " + length); 4146 return false; 4147 } 4148 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4149 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4150 if(metrics.letters < neededLetters) { 4151 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4152 + " does not meet required number of letters " + neededLetters); 4153 return false; 4154 } 4155 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4156 if (metrics.numeric < neededNumeric) { 4157 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4158 + " does not meet required number of numerical digits " 4159 + neededNumeric); 4160 return false; 4161 } 4162 int neededLowerCase = getPasswordMinimumLowerCase( 4163 null, userHandle, /* parent */ false); 4164 if (metrics.lowerCase < neededLowerCase) { 4165 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4166 + metrics.lowerCase 4167 + " does not meet required number of lowercase letters " 4168 + neededLowerCase); 4169 return false; 4170 } 4171 int neededUpperCase = getPasswordMinimumUpperCase( 4172 null, userHandle, /* parent */ false); 4173 if (metrics.upperCase < neededUpperCase) { 4174 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4175 + metrics.upperCase 4176 + " does not meet required number of uppercase letters " 4177 + neededUpperCase); 4178 return false; 4179 } 4180 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4181 if (metrics.symbols < neededSymbols) { 4182 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4183 + " does not meet required number of special symbols " + neededSymbols); 4184 return false; 4185 } 4186 int neededNonLetter = getPasswordMinimumNonLetter( 4187 null, userHandle, /* parent */ false); 4188 if (metrics.nonLetter < neededNonLetter) { 4189 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4190 + metrics.nonLetter 4191 + " does not meet required number of non-letter characters " 4192 + neededNonLetter); 4193 return false; 4194 } 4195 } 4196 } 4197 4198 DevicePolicyData policy = getUserData(userHandle); 4199 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4200 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4201 return false; 4202 } 4203 4204 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4205 boolean doNotAskCredentialsOnBoot = 4206 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4207 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4208 setDoNotAskCredentialsOnBoot(); 4209 } 4210 4211 // Don't do this with the lock held, because it is going to call 4212 // back in to the service. 4213 final long ident = mInjector.binderClearCallingIdentity(); 4214 try { 4215 if (!TextUtils.isEmpty(password)) { 4216 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4217 } else { 4218 mLockPatternUtils.clearLock(userHandle); 4219 } 4220 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4221 if (requireEntry) { 4222 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4223 UserHandle.USER_ALL); 4224 } 4225 synchronized (this) { 4226 int newOwner = requireEntry ? callingUid : -1; 4227 if (policy.mPasswordOwner != newOwner) { 4228 policy.mPasswordOwner = newOwner; 4229 saveSettingsLocked(userHandle); 4230 } 4231 } 4232 } finally { 4233 mInjector.binderRestoreCallingIdentity(ident); 4234 } 4235 4236 return true; 4237 } 4238 4239 private boolean isLockScreenSecureUnchecked(int userId) { 4240 long ident = mInjector.binderClearCallingIdentity(); 4241 try { 4242 return mLockPatternUtils.isSecure(userId); 4243 } finally { 4244 mInjector.binderRestoreCallingIdentity(ident); 4245 } 4246 } 4247 4248 private void setDoNotAskCredentialsOnBoot() { 4249 synchronized (this) { 4250 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4251 if (!policyData.doNotAskCredentialsOnBoot) { 4252 policyData.doNotAskCredentialsOnBoot = true; 4253 saveSettingsLocked(UserHandle.USER_SYSTEM); 4254 } 4255 } 4256 } 4257 4258 @Override 4259 public boolean getDoNotAskCredentialsOnBoot() { 4260 mContext.enforceCallingOrSelfPermission( 4261 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4262 synchronized (this) { 4263 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4264 return policyData.doNotAskCredentialsOnBoot; 4265 } 4266 } 4267 4268 @Override 4269 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4270 if (!mHasFeature) { 4271 return; 4272 } 4273 Preconditions.checkNotNull(who, "ComponentName is null"); 4274 final int userHandle = mInjector.userHandleGetCallingUserId(); 4275 synchronized (this) { 4276 ActiveAdmin ap = getActiveAdminForCallerLocked( 4277 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4278 if (ap.maximumTimeToUnlock != timeMs) { 4279 ap.maximumTimeToUnlock = timeMs; 4280 saveSettingsLocked(userHandle); 4281 updateMaximumTimeToLockLocked(userHandle); 4282 } 4283 } 4284 } 4285 4286 void updateMaximumTimeToLockLocked(int userHandle) { 4287 // Calculate the min timeout for all profiles - including the ones with a separate 4288 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4289 // challenge only and keep the screen on. However there is no easy way of doing that at the 4290 // moment so we set the screen off timeout regardless of whether it affects the parent user 4291 // or the profile challenge only. 4292 long timeMs = Long.MAX_VALUE; 4293 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4294 for (int profileId : profileIds) { 4295 DevicePolicyData policy = getUserDataUnchecked(profileId); 4296 final int N = policy.mAdminList.size(); 4297 for (int i = 0; i < N; i++) { 4298 ActiveAdmin admin = policy.mAdminList.get(i); 4299 if (admin.maximumTimeToUnlock > 0 4300 && timeMs > admin.maximumTimeToUnlock) { 4301 timeMs = admin.maximumTimeToUnlock; 4302 } 4303 // If userInfo.id is a managed profile, we also need to look at 4304 // the policies set on the parent. 4305 if (admin.hasParentActiveAdmin()) { 4306 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4307 if (parentAdmin.maximumTimeToUnlock > 0 4308 && timeMs > parentAdmin.maximumTimeToUnlock) { 4309 timeMs = parentAdmin.maximumTimeToUnlock; 4310 } 4311 } 4312 } 4313 } 4314 4315 // We only store the last maximum time to lock on the parent profile. So if calling from a 4316 // managed profile, retrieve the policy for the parent. 4317 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4318 if (policy.mLastMaximumTimeToLock == timeMs) { 4319 return; 4320 } 4321 policy.mLastMaximumTimeToLock = timeMs; 4322 4323 final long ident = mInjector.binderClearCallingIdentity(); 4324 try { 4325 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4326 // Make sure KEEP_SCREEN_ON is disabled, since that 4327 // would allow bypassing of the maximum time to lock. 4328 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4329 } 4330 4331 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4332 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4333 } finally { 4334 mInjector.binderRestoreCallingIdentity(ident); 4335 } 4336 } 4337 4338 @Override 4339 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4340 if (!mHasFeature) { 4341 return 0; 4342 } 4343 enforceFullCrossUsersPermission(userHandle); 4344 synchronized (this) { 4345 if (who != null) { 4346 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4347 return admin != null ? admin.maximumTimeToUnlock : 0; 4348 } 4349 // Return the strictest policy across all participating admins. 4350 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4351 userHandle, parent); 4352 return getMaximumTimeToLockPolicyFromAdmins(admins); 4353 } 4354 } 4355 4356 @Override 4357 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4358 if (!mHasFeature) { 4359 return 0; 4360 } 4361 enforceFullCrossUsersPermission(userHandle); 4362 synchronized (this) { 4363 // All admins for this user. 4364 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4365 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4366 DevicePolicyData policy = getUserData(userInfo.id); 4367 admins.addAll(policy.mAdminList); 4368 // If it is a managed profile, it may have parent active admins 4369 if (userInfo.isManagedProfile()) { 4370 for (ActiveAdmin admin : policy.mAdminList) { 4371 if (admin.hasParentActiveAdmin()) { 4372 admins.add(admin.getParentActiveAdmin()); 4373 } 4374 } 4375 } 4376 } 4377 return getMaximumTimeToLockPolicyFromAdmins(admins); 4378 } 4379 } 4380 4381 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4382 long time = 0; 4383 final int N = admins.size(); 4384 for (int i = 0; i < N; i++) { 4385 ActiveAdmin admin = admins.get(i); 4386 if (time == 0) { 4387 time = admin.maximumTimeToUnlock; 4388 } else if (admin.maximumTimeToUnlock != 0 4389 && time > admin.maximumTimeToUnlock) { 4390 time = admin.maximumTimeToUnlock; 4391 } 4392 } 4393 return time; 4394 } 4395 4396 @Override 4397 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4398 boolean parent) { 4399 if (!mHasFeature) { 4400 return; 4401 } 4402 Preconditions.checkNotNull(who, "ComponentName is null"); 4403 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4404 // timeoutMs with value 0 means that the admin doesn't participate 4405 // timeoutMs is clamped to the interval in case the internal constants change in the future 4406 final long minimumStrongAuthTimeout = getMinimumStrongAuthTimeoutMs(); 4407 if (timeoutMs != 0 && timeoutMs < minimumStrongAuthTimeout) { 4408 timeoutMs = minimumStrongAuthTimeout; 4409 } 4410 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4411 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4412 } 4413 4414 final int userHandle = mInjector.userHandleGetCallingUserId(); 4415 synchronized (this) { 4416 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4417 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4418 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4419 ap.strongAuthUnlockTimeout = timeoutMs; 4420 saveSettingsLocked(userHandle); 4421 } 4422 } 4423 } 4424 4425 /** 4426 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4427 * admins if who is null. 4428 * Returns 0 if not configured for the provided admin. 4429 */ 4430 @Override 4431 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4432 if (!mHasFeature) { 4433 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4434 } 4435 enforceFullCrossUsersPermission(userId); 4436 synchronized (this) { 4437 if (who != null) { 4438 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4439 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4440 } 4441 4442 // Return the strictest policy across all participating admins. 4443 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4444 4445 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4446 for (int i = 0; i < admins.size(); i++) { 4447 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4448 if (timeout != 0) { // take only participating admins into account 4449 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4450 } 4451 } 4452 return Math.max(strongAuthUnlockTimeout, getMinimumStrongAuthTimeoutMs()); 4453 } 4454 } 4455 4456 private long getMinimumStrongAuthTimeoutMs() { 4457 if (!mInjector.isBuildDebuggable()) { 4458 return MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4459 } 4460 // ideally the property was named persist.sys.min_strong_auth_timeout, but system property 4461 // name cannot be longer than 31 characters 4462 return Math.min(mInjector.systemPropertiesGetLong("persist.sys.min_str_auth_timeo", 4463 MINIMUM_STRONG_AUTH_TIMEOUT_MS), 4464 MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4465 } 4466 4467 @Override 4468 public void lockNow(int flags, boolean parent) { 4469 if (!mHasFeature) { 4470 return; 4471 } 4472 4473 final int callingUserId = mInjector.userHandleGetCallingUserId(); 4474 synchronized (this) { 4475 // This API can only be called by an active device admin, 4476 // so try to retrieve it to check that the caller is one. 4477 final ActiveAdmin admin = getActiveAdminForCallerLocked( 4478 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4479 4480 final long ident = mInjector.binderClearCallingIdentity(); 4481 try { 4482 // Evict key 4483 if ((flags & DevicePolicyManager.FLAG_EVICT_CE_KEY) != 0) { 4484 enforceManagedProfile(callingUserId, "set FLAG_EVICT_CE_KEY"); 4485 if (!isProfileOwner(admin.info.getComponent(), callingUserId)) { 4486 throw new SecurityException( 4487 "Only profile owner admins can set FLAG_EVICT_CE_KEY"); 4488 } 4489 if (parent) { 4490 throw new IllegalArgumentException( 4491 "Cannot set FLAG_EVICT_CE_KEY for the parent"); 4492 } 4493 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 4494 throw new UnsupportedOperationException( 4495 "FLAG_EVICT_CE_KEY only applies to FBE devices"); 4496 } 4497 mUserManager.evictCredentialEncryptionKey(callingUserId); 4498 } 4499 4500 // Lock all users unless this is a managed profile with a separate challenge 4501 final int userToLock = (parent || !isSeparateProfileChallengeEnabled(callingUserId) 4502 ? UserHandle.USER_ALL : callingUserId); 4503 mLockPatternUtils.requireStrongAuth( 4504 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4505 4506 // Require authentication for the device or profile 4507 if (userToLock == UserHandle.USER_ALL) { 4508 // Power off the display 4509 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4510 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4511 mInjector.getIWindowManager().lockNow(null); 4512 } else { 4513 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4514 } 4515 } catch (RemoteException e) { 4516 } finally { 4517 mInjector.binderRestoreCallingIdentity(ident); 4518 } 4519 } 4520 } 4521 4522 @Override 4523 public void enforceCanManageCaCerts(ComponentName who) { 4524 if (who == null) { 4525 if (!isCallerDelegatedCertInstaller()) { 4526 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4527 } 4528 } else { 4529 synchronized (this) { 4530 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4531 } 4532 } 4533 } 4534 4535 private void enforceCanManageInstalledKeys(ComponentName who) { 4536 if (who == null) { 4537 if (!isCallerDelegatedCertInstaller()) { 4538 throw new SecurityException("who == null, but caller is not cert installer"); 4539 } 4540 } else { 4541 synchronized (this) { 4542 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4543 } 4544 } 4545 } 4546 4547 private boolean isCallerDelegatedCertInstaller() { 4548 final int callingUid = mInjector.binderGetCallingUid(); 4549 final int userHandle = UserHandle.getUserId(callingUid); 4550 synchronized (this) { 4551 final DevicePolicyData policy = getUserData(userHandle); 4552 if (policy.mDelegatedCertInstallerPackage == null) { 4553 return false; 4554 } 4555 4556 try { 4557 int uid = mInjector.getPackageManager().getPackageUidAsUser( 4558 policy.mDelegatedCertInstallerPackage, userHandle); 4559 return uid == callingUid; 4560 } catch (NameNotFoundException e) { 4561 return false; 4562 } 4563 } 4564 } 4565 4566 @Override 4567 public boolean approveCaCert(String alias, int userId, boolean approval) { 4568 enforceManageUsers(); 4569 synchronized (this) { 4570 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4571 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4572 if (!changed) { 4573 return false; 4574 } 4575 saveSettingsLocked(userId); 4576 } 4577 new MonitoringCertNotificationTask().execute(userId); 4578 return true; 4579 } 4580 4581 @Override 4582 public boolean isCaCertApproved(String alias, int userId) { 4583 enforceManageUsers(); 4584 synchronized (this) { 4585 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4586 } 4587 } 4588 4589 private void removeCaApprovalsIfNeeded(int userId) { 4590 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4591 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4592 if (userInfo.isManagedProfile()){ 4593 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4594 } 4595 if (!isSecure) { 4596 synchronized (this) { 4597 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4598 saveSettingsLocked(userInfo.id); 4599 } 4600 4601 new MonitoringCertNotificationTask().execute(userInfo.id); 4602 } 4603 } 4604 } 4605 4606 @Override 4607 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4608 enforceCanManageCaCerts(admin); 4609 4610 byte[] pemCert; 4611 try { 4612 X509Certificate cert = parseCert(certBuffer); 4613 pemCert = Credentials.convertToPem(cert); 4614 } catch (CertificateException ce) { 4615 Log.e(LOG_TAG, "Problem converting cert", ce); 4616 return false; 4617 } catch (IOException ioe) { 4618 Log.e(LOG_TAG, "Problem reading cert", ioe); 4619 return false; 4620 } 4621 4622 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4623 final long id = mInjector.binderClearCallingIdentity(); 4624 try { 4625 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4626 try { 4627 keyChainConnection.getService().installCaCertificate(pemCert); 4628 return true; 4629 } catch (RemoteException e) { 4630 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4631 } finally { 4632 keyChainConnection.close(); 4633 } 4634 } catch (InterruptedException e1) { 4635 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4636 Thread.currentThread().interrupt(); 4637 } finally { 4638 mInjector.binderRestoreCallingIdentity(id); 4639 } 4640 return false; 4641 } 4642 4643 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4644 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4645 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4646 certBuffer)); 4647 } 4648 4649 @Override 4650 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4651 enforceCanManageCaCerts(admin); 4652 4653 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4654 final long id = mInjector.binderClearCallingIdentity(); 4655 try { 4656 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4657 try { 4658 for (int i = 0 ; i < aliases.length; i++) { 4659 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4660 } 4661 } catch (RemoteException e) { 4662 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4663 } finally { 4664 keyChainConnection.close(); 4665 } 4666 } catch (InterruptedException ie) { 4667 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4668 Thread.currentThread().interrupt(); 4669 } finally { 4670 mInjector.binderRestoreCallingIdentity(id); 4671 } 4672 } 4673 4674 @Override 4675 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, 4676 String alias, boolean requestAccess) { 4677 enforceCanManageInstalledKeys(who); 4678 4679 final int callingUid = mInjector.binderGetCallingUid(); 4680 final long id = mInjector.binderClearCallingIdentity(); 4681 try { 4682 final KeyChainConnection keyChainConnection = 4683 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4684 try { 4685 IKeyChainService keyChain = keyChainConnection.getService(); 4686 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4687 return false; 4688 } 4689 if (requestAccess) { 4690 keyChain.setGrant(callingUid, alias, true); 4691 } 4692 return true; 4693 } catch (RemoteException e) { 4694 Log.e(LOG_TAG, "Installing certificate", e); 4695 } finally { 4696 keyChainConnection.close(); 4697 } 4698 } catch (InterruptedException e) { 4699 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4700 Thread.currentThread().interrupt(); 4701 } finally { 4702 mInjector.binderRestoreCallingIdentity(id); 4703 } 4704 return false; 4705 } 4706 4707 @Override 4708 public boolean removeKeyPair(ComponentName who, String alias) { 4709 enforceCanManageInstalledKeys(who); 4710 4711 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4712 final long id = Binder.clearCallingIdentity(); 4713 try { 4714 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4715 try { 4716 IKeyChainService keyChain = keyChainConnection.getService(); 4717 return keyChain.removeKeyPair(alias); 4718 } catch (RemoteException e) { 4719 Log.e(LOG_TAG, "Removing keypair", e); 4720 } finally { 4721 keyChainConnection.close(); 4722 } 4723 } catch (InterruptedException e) { 4724 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4725 Thread.currentThread().interrupt(); 4726 } finally { 4727 Binder.restoreCallingIdentity(id); 4728 } 4729 return false; 4730 } 4731 4732 @Override 4733 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4734 final IBinder response) { 4735 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4736 if (!isCallerWithSystemUid()) { 4737 return; 4738 } 4739 4740 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4741 // If there is a profile owner, redirect to that; otherwise query the device owner. 4742 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4743 if (aliasChooser == null && caller.isSystem()) { 4744 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4745 if (deviceOwnerAdmin != null) { 4746 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4747 } 4748 } 4749 if (aliasChooser == null) { 4750 sendPrivateKeyAliasResponse(null, response); 4751 return; 4752 } 4753 4754 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4755 intent.setComponent(aliasChooser); 4756 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4757 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4758 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4759 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4760 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4761 4762 final long id = mInjector.binderClearCallingIdentity(); 4763 try { 4764 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4765 @Override 4766 public void onReceive(Context context, Intent intent) { 4767 final String chosenAlias = getResultData(); 4768 sendPrivateKeyAliasResponse(chosenAlias, response); 4769 } 4770 }, null, Activity.RESULT_OK, null, null); 4771 } finally { 4772 mInjector.binderRestoreCallingIdentity(id); 4773 } 4774 } 4775 4776 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4777 final IKeyChainAliasCallback keyChainAliasResponse = 4778 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4779 new AsyncTask<Void, Void, Void>() { 4780 @Override 4781 protected Void doInBackground(Void... unused) { 4782 try { 4783 keyChainAliasResponse.alias(alias); 4784 } catch (Exception e) { 4785 // Catch everything (not just RemoteException): caller could throw a 4786 // RuntimeException back across processes. 4787 Log.e(LOG_TAG, "error while responding to callback", e); 4788 } 4789 return null; 4790 } 4791 }.execute(); 4792 } 4793 4794 @Override 4795 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4796 throws SecurityException { 4797 int userHandle = UserHandle.getCallingUserId(); 4798 synchronized (this) { 4799 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4800 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4801 if (installerPackage != null && 4802 !isPackageInstalledForUser(installerPackage, userHandle)) { 4803 throw new IllegalArgumentException("Package " + installerPackage 4804 + " is not installed on the current user"); 4805 } 4806 } 4807 DevicePolicyData policy = getUserData(userHandle); 4808 policy.mDelegatedCertInstallerPackage = installerPackage; 4809 saveSettingsLocked(userHandle); 4810 } 4811 } 4812 4813 @Override 4814 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4815 int userHandle = UserHandle.getCallingUserId(); 4816 synchronized (this) { 4817 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4818 DevicePolicyData policy = getUserData(userHandle); 4819 return policy.mDelegatedCertInstallerPackage; 4820 } 4821 } 4822 4823 /** 4824 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 4825 * not installed and therefore not available. 4826 * 4827 * @throws SecurityException if the caller is not a profile or device owner. 4828 * @throws UnsupportedOperationException if the package does not support being set as always-on. 4829 */ 4830 @Override 4831 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 4832 throws SecurityException { 4833 synchronized (this) { 4834 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4835 } 4836 4837 final int userId = mInjector.userHandleGetCallingUserId(); 4838 final long token = mInjector.binderClearCallingIdentity(); 4839 try { 4840 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 4841 return false; 4842 } 4843 ConnectivityManager connectivityManager = (ConnectivityManager) 4844 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4845 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 4846 throw new UnsupportedOperationException(); 4847 } 4848 } finally { 4849 mInjector.binderRestoreCallingIdentity(token); 4850 } 4851 return true; 4852 } 4853 4854 @Override 4855 public String getAlwaysOnVpnPackage(ComponentName admin) 4856 throws SecurityException { 4857 synchronized (this) { 4858 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4859 } 4860 4861 final int userId = mInjector.userHandleGetCallingUserId(); 4862 final long token = mInjector.binderClearCallingIdentity(); 4863 try{ 4864 ConnectivityManager connectivityManager = (ConnectivityManager) 4865 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4866 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4867 } finally { 4868 mInjector.binderRestoreCallingIdentity(token); 4869 } 4870 } 4871 4872 private void wipeDataNoLock(boolean wipeExtRequested, String reason, boolean force) { 4873 wtfIfInLock(); 4874 4875 if (wipeExtRequested) { 4876 StorageManager sm = (StorageManager) mContext.getSystemService( 4877 Context.STORAGE_SERVICE); 4878 sm.wipeAdoptableDisks(); 4879 } 4880 try { 4881 RecoverySystem.rebootWipeUserData(mContext, false /* shutdown */, reason, force); 4882 } catch (IOException | SecurityException e) { 4883 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4884 } 4885 } 4886 4887 @Override 4888 public void wipeData(int flags) { 4889 if (!mHasFeature) { 4890 return; 4891 } 4892 final int userHandle = mInjector.userHandleGetCallingUserId(); 4893 enforceFullCrossUsersPermission(userHandle); 4894 4895 final String source; 4896 synchronized (this) { 4897 // This API can only be called by an active device admin, 4898 // so try to retrieve it to check that the caller is one. 4899 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4900 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4901 source = admin.info.getComponent().flattenToShortString(); 4902 4903 long ident = mInjector.binderClearCallingIdentity(); 4904 try { 4905 final String restriction; 4906 if (userHandle == UserHandle.USER_SYSTEM) { 4907 restriction = UserManager.DISALLOW_FACTORY_RESET; 4908 } else if (isManagedProfile(userHandle)) { 4909 restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; 4910 } else { 4911 restriction = UserManager.DISALLOW_REMOVE_USER; 4912 } 4913 if (isAdminAffectedByRestriction( 4914 admin.info.getComponent(), restriction, userHandle)) { 4915 throw new SecurityException("Cannot wipe data. " + restriction 4916 + " restriction is set for user " + userHandle); 4917 } 4918 4919 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4920 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4921 throw new SecurityException( 4922 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4923 } 4924 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4925 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4926 if (manager != null) { 4927 manager.wipe(); 4928 } 4929 } 4930 4931 } finally { 4932 mInjector.binderRestoreCallingIdentity(ident); 4933 } 4934 } 4935 final boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4936 wipeDeviceNoLock(wipeExtRequested, userHandle, 4937 "DevicePolicyManager.wipeData() from " + source, /*force=*/ true); 4938 } 4939 4940 private void wipeDeviceNoLock( 4941 boolean wipeExtRequested, final int userHandle, String reason, boolean force) { 4942 wtfIfInLock(); 4943 4944 long ident = mInjector.binderClearCallingIdentity(); 4945 try { 4946 // TODO If split user is enabled and the device owner is set in the primary user (rather 4947 // than system), we should probably trigger factory reset. Current code just remove 4948 // that user (but still clears FRP...) 4949 if (userHandle == UserHandle.USER_SYSTEM) { 4950 wipeDataNoLock(wipeExtRequested, reason, force); 4951 } else { 4952 try { 4953 IActivityManager am = mInjector.getIActivityManager(); 4954 if (am.getCurrentUser().id == userHandle) { 4955 am.switchUser(UserHandle.USER_SYSTEM); 4956 } 4957 4958 boolean userRemoved = force 4959 ? mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle) 4960 : mUserManager.removeUser(userHandle); 4961 if (!userRemoved) { 4962 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4963 } else if (isManagedProfile(userHandle)) { 4964 sendWipeProfileNotification(); 4965 } 4966 } catch (RemoteException re) { 4967 // Shouldn't happen 4968 } 4969 } 4970 } finally { 4971 mInjector.binderRestoreCallingIdentity(ident); 4972 } 4973 } 4974 4975 private void sendWipeProfileNotification() { 4976 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4977 Notification notification = new Notification.Builder(mContext) 4978 .setSmallIcon(android.R.drawable.stat_sys_warning) 4979 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4980 .setContentText(contentText) 4981 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4982 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4983 .build(); 4984 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4985 } 4986 4987 private void clearWipeProfileNotification() { 4988 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4989 } 4990 4991 @Override 4992 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4993 if (!mHasFeature) { 4994 return; 4995 } 4996 enforceFullCrossUsersPermission(userHandle); 4997 mContext.enforceCallingOrSelfPermission( 4998 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4999 5000 synchronized (this) { 5001 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 5002 if (admin == null) { 5003 result.sendResult(null); 5004 return; 5005 } 5006 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 5007 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 5008 intent.setComponent(admin.info.getComponent()); 5009 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 5010 null, new BroadcastReceiver() { 5011 @Override 5012 public void onReceive(Context context, Intent intent) { 5013 result.sendResult(getResultExtras(false)); 5014 } 5015 }, null, Activity.RESULT_OK, null, null); 5016 } 5017 } 5018 5019 @Override 5020 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 5021 if (!mHasFeature) { 5022 return; 5023 } 5024 enforceFullCrossUsersPermission(userHandle); 5025 mContext.enforceCallingOrSelfPermission( 5026 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5027 5028 // If the managed profile doesn't have a separate password, set the metrics to default 5029 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 5030 metrics = new PasswordMetrics(); 5031 } 5032 5033 validateQualityConstant(metrics.quality); 5034 DevicePolicyData policy = getUserData(userHandle); 5035 synchronized (this) { 5036 policy.mActivePasswordMetrics = metrics; 5037 } 5038 } 5039 5040 @Override 5041 public void reportPasswordChanged(@UserIdInt int userId) { 5042 if (!mHasFeature) { 5043 return; 5044 } 5045 enforceFullCrossUsersPermission(userId); 5046 5047 // Managed Profile password can only be changed when it has a separate challenge. 5048 if (!isSeparateProfileChallengeEnabled(userId)) { 5049 enforceNotManagedProfile(userId, "set the active password"); 5050 } 5051 5052 mContext.enforceCallingOrSelfPermission( 5053 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5054 5055 DevicePolicyData policy = getUserData(userId); 5056 5057 long ident = mInjector.binderClearCallingIdentity(); 5058 try { 5059 synchronized (this) { 5060 policy.mFailedPasswordAttempts = 0; 5061 saveSettingsLocked(userId); 5062 updatePasswordExpirationsLocked(userId); 5063 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 5064 5065 // Send a broadcast to each profile using this password as its primary unlock. 5066 sendAdminCommandForLockscreenPoliciesLocked( 5067 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 5068 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 5069 } 5070 removeCaApprovalsIfNeeded(userId); 5071 } finally { 5072 mInjector.binderRestoreCallingIdentity(ident); 5073 } 5074 } 5075 5076 /** 5077 * Called any time the device password is updated. Resets all password expiration clocks. 5078 */ 5079 private void updatePasswordExpirationsLocked(int userHandle) { 5080 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 5081 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 5082 userHandle, /* parent */ false); 5083 final int N = admins.size(); 5084 for (int i = 0; i < N; i++) { 5085 ActiveAdmin admin = admins.get(i); 5086 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 5087 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 5088 long timeout = admin.passwordExpirationTimeout; 5089 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 5090 admin.passwordExpirationDate = expiration; 5091 } 5092 } 5093 for (int affectedUserId : affectedUserIds) { 5094 saveSettingsLocked(affectedUserId); 5095 } 5096 } 5097 5098 @Override 5099 public void reportFailedPasswordAttempt(int userHandle) { 5100 enforceFullCrossUsersPermission(userHandle); 5101 if (!isSeparateProfileChallengeEnabled(userHandle)) { 5102 enforceNotManagedProfile(userHandle, 5103 "report failed password attempt if separate profile challenge is not in place"); 5104 } 5105 mContext.enforceCallingOrSelfPermission( 5106 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5107 5108 final long ident = mInjector.binderClearCallingIdentity(); 5109 try { 5110 boolean wipeData = false; 5111 int identifier = 0; 5112 synchronized (this) { 5113 DevicePolicyData policy = getUserData(userHandle); 5114 policy.mFailedPasswordAttempts++; 5115 saveSettingsLocked(userHandle); 5116 if (mHasFeature) { 5117 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 5118 userHandle, /* parent */ false); 5119 int max = strictestAdmin != null 5120 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5121 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5122 // Wipe the user/profile associated with the policy that was violated. This 5123 // is not necessarily calling user: if the policy that fired was from a 5124 // managed profile rather than the main user profile, we wipe former only. 5125 wipeData = true; 5126 identifier = strictestAdmin.getUserHandle().getIdentifier(); 5127 } 5128 5129 sendAdminCommandForLockscreenPoliciesLocked( 5130 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5131 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5132 } 5133 } 5134 if (wipeData) { 5135 // Call without holding lock. 5136 wipeDeviceNoLock(false, identifier, "reportFailedPasswordAttempt()", false); 5137 } 5138 } finally { 5139 mInjector.binderRestoreCallingIdentity(ident); 5140 } 5141 5142 if (mInjector.securityLogIsLoggingEnabled()) { 5143 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5144 /*method strength*/ 1); 5145 } 5146 } 5147 5148 @Override 5149 public void reportSuccessfulPasswordAttempt(int userHandle) { 5150 enforceFullCrossUsersPermission(userHandle); 5151 mContext.enforceCallingOrSelfPermission( 5152 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5153 5154 synchronized (this) { 5155 DevicePolicyData policy = getUserData(userHandle); 5156 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5157 long ident = mInjector.binderClearCallingIdentity(); 5158 try { 5159 policy.mFailedPasswordAttempts = 0; 5160 policy.mPasswordOwner = -1; 5161 saveSettingsLocked(userHandle); 5162 if (mHasFeature) { 5163 sendAdminCommandForLockscreenPoliciesLocked( 5164 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5165 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5166 } 5167 } finally { 5168 mInjector.binderRestoreCallingIdentity(ident); 5169 } 5170 } 5171 } 5172 5173 if (mInjector.securityLogIsLoggingEnabled()) { 5174 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5175 /*method strength*/ 1); 5176 } 5177 } 5178 5179 @Override 5180 public void reportFailedFingerprintAttempt(int userHandle) { 5181 enforceFullCrossUsersPermission(userHandle); 5182 mContext.enforceCallingOrSelfPermission( 5183 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5184 if (mInjector.securityLogIsLoggingEnabled()) { 5185 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5186 /*method strength*/ 0); 5187 } 5188 } 5189 5190 @Override 5191 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5192 enforceFullCrossUsersPermission(userHandle); 5193 mContext.enforceCallingOrSelfPermission( 5194 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5195 if (mInjector.securityLogIsLoggingEnabled()) { 5196 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5197 /*method strength*/ 0); 5198 } 5199 } 5200 5201 @Override 5202 public void reportKeyguardDismissed(int userHandle) { 5203 enforceFullCrossUsersPermission(userHandle); 5204 mContext.enforceCallingOrSelfPermission( 5205 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5206 5207 if (mInjector.securityLogIsLoggingEnabled()) { 5208 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5209 } 5210 } 5211 5212 @Override 5213 public void reportKeyguardSecured(int userHandle) { 5214 enforceFullCrossUsersPermission(userHandle); 5215 mContext.enforceCallingOrSelfPermission( 5216 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5217 5218 if (mInjector.securityLogIsLoggingEnabled()) { 5219 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5220 } 5221 } 5222 5223 @Override 5224 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5225 String exclusionList) { 5226 if (!mHasFeature) { 5227 return null; 5228 } 5229 synchronized(this) { 5230 Preconditions.checkNotNull(who, "ComponentName is null"); 5231 5232 // Only check if system user has set global proxy. We don't allow other users to set it. 5233 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5234 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5235 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5236 5237 // Scan through active admins and find if anyone has already 5238 // set the global proxy. 5239 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5240 for (ComponentName component : compSet) { 5241 ActiveAdmin ap = policy.mAdminMap.get(component); 5242 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5243 // Another admin already sets the global proxy 5244 // Return it to the caller. 5245 return component; 5246 } 5247 } 5248 5249 // If the user is not system, don't set the global proxy. Fail silently. 5250 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5251 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5252 + UserHandle.getCallingUserId() + " is not permitted."); 5253 return null; 5254 } 5255 if (proxySpec == null) { 5256 admin.specifiesGlobalProxy = false; 5257 admin.globalProxySpec = null; 5258 admin.globalProxyExclusionList = null; 5259 } else { 5260 5261 admin.specifiesGlobalProxy = true; 5262 admin.globalProxySpec = proxySpec; 5263 admin.globalProxyExclusionList = exclusionList; 5264 } 5265 5266 // Reset the global proxy accordingly 5267 // Do this using system permissions, as apps cannot write to secure settings 5268 long origId = mInjector.binderClearCallingIdentity(); 5269 try { 5270 resetGlobalProxyLocked(policy); 5271 } finally { 5272 mInjector.binderRestoreCallingIdentity(origId); 5273 } 5274 return null; 5275 } 5276 } 5277 5278 @Override 5279 public ComponentName getGlobalProxyAdmin(int userHandle) { 5280 if (!mHasFeature) { 5281 return null; 5282 } 5283 enforceFullCrossUsersPermission(userHandle); 5284 synchronized(this) { 5285 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5286 // Scan through active admins and find if anyone has already 5287 // set the global proxy. 5288 final int N = policy.mAdminList.size(); 5289 for (int i = 0; i < N; i++) { 5290 ActiveAdmin ap = policy.mAdminList.get(i); 5291 if (ap.specifiesGlobalProxy) { 5292 // Device admin sets the global proxy 5293 // Return it to the caller. 5294 return ap.info.getComponent(); 5295 } 5296 } 5297 } 5298 // No device admin sets the global proxy. 5299 return null; 5300 } 5301 5302 @Override 5303 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5304 synchronized (this) { 5305 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5306 } 5307 long token = mInjector.binderClearCallingIdentity(); 5308 try { 5309 ConnectivityManager connectivityManager = (ConnectivityManager) 5310 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5311 connectivityManager.setGlobalProxy(proxyInfo); 5312 } finally { 5313 mInjector.binderRestoreCallingIdentity(token); 5314 } 5315 } 5316 5317 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5318 final int N = policy.mAdminList.size(); 5319 for (int i = 0; i < N; i++) { 5320 ActiveAdmin ap = policy.mAdminList.get(i); 5321 if (ap.specifiesGlobalProxy) { 5322 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5323 return; 5324 } 5325 } 5326 // No device admins defining global proxies - reset global proxy settings to none 5327 saveGlobalProxyLocked(null, null); 5328 } 5329 5330 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5331 if (exclusionList == null) { 5332 exclusionList = ""; 5333 } 5334 if (proxySpec == null) { 5335 proxySpec = ""; 5336 } 5337 // Remove white spaces 5338 proxySpec = proxySpec.trim(); 5339 String data[] = proxySpec.split(":"); 5340 int proxyPort = 8080; 5341 if (data.length > 1) { 5342 try { 5343 proxyPort = Integer.parseInt(data[1]); 5344 } catch (NumberFormatException e) {} 5345 } 5346 exclusionList = exclusionList.trim(); 5347 5348 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5349 if (!proxyProperties.isValid()) { 5350 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5351 return; 5352 } 5353 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5354 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5355 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5356 exclusionList); 5357 } 5358 5359 /** 5360 * Set the storage encryption request for a single admin. Returns the new total request 5361 * status (for all admins). 5362 */ 5363 @Override 5364 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5365 if (!mHasFeature) { 5366 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5367 } 5368 Preconditions.checkNotNull(who, "ComponentName is null"); 5369 final int userHandle = UserHandle.getCallingUserId(); 5370 synchronized (this) { 5371 // Check for permissions 5372 // Only system user can set storage encryption 5373 if (userHandle != UserHandle.USER_SYSTEM) { 5374 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5375 + UserHandle.getCallingUserId() + " is not permitted."); 5376 return 0; 5377 } 5378 5379 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5380 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5381 5382 // Quick exit: If the filesystem does not support encryption, we can exit early. 5383 if (!isEncryptionSupported()) { 5384 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5385 } 5386 5387 // (1) Record the value for the admin so it's sticky 5388 if (ap.encryptionRequested != encrypt) { 5389 ap.encryptionRequested = encrypt; 5390 saveSettingsLocked(userHandle); 5391 } 5392 5393 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5394 // (2) Compute "max" for all admins 5395 boolean newRequested = false; 5396 final int N = policy.mAdminList.size(); 5397 for (int i = 0; i < N; i++) { 5398 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5399 } 5400 5401 // Notify OS of new request 5402 setEncryptionRequested(newRequested); 5403 5404 // Return the new global request status 5405 return newRequested 5406 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5407 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5408 } 5409 } 5410 5411 /** 5412 * Get the current storage encryption request status for a given admin, or aggregate of all 5413 * active admins. 5414 */ 5415 @Override 5416 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5417 if (!mHasFeature) { 5418 return false; 5419 } 5420 enforceFullCrossUsersPermission(userHandle); 5421 synchronized (this) { 5422 // Check for permissions if a particular caller is specified 5423 if (who != null) { 5424 // When checking for a single caller, status is based on caller's request 5425 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5426 return ap != null ? ap.encryptionRequested : false; 5427 } 5428 5429 // If no particular caller is specified, return the aggregate set of requests. 5430 // This is short circuited by returning true on the first hit. 5431 DevicePolicyData policy = getUserData(userHandle); 5432 final int N = policy.mAdminList.size(); 5433 for (int i = 0; i < N; i++) { 5434 if (policy.mAdminList.get(i).encryptionRequested) { 5435 return true; 5436 } 5437 } 5438 return false; 5439 } 5440 } 5441 5442 /** 5443 * Get the current encryption status of the device. 5444 */ 5445 @Override 5446 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5447 if (!mHasFeature) { 5448 // Ok to return current status. 5449 } 5450 enforceFullCrossUsersPermission(userHandle); 5451 5452 // It's not critical here, but let's make sure the package name is correct, in case 5453 // we start using it for different purposes. 5454 ensureCallerPackage(callerPackage); 5455 5456 final ApplicationInfo ai; 5457 try { 5458 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5459 } catch (RemoteException e) { 5460 throw new SecurityException(e); 5461 } 5462 5463 boolean legacyApp = false; 5464 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5465 legacyApp = true; 5466 } 5467 5468 final int rawStatus = getEncryptionStatus(); 5469 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5470 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5471 } 5472 return rawStatus; 5473 } 5474 5475 /** 5476 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5477 */ 5478 private boolean isEncryptionSupported() { 5479 // Note, this can be implemented as 5480 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5481 // But is provided as a separate internal method if there's a faster way to do a 5482 // simple check for supported-or-not. 5483 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5484 } 5485 5486 /** 5487 * Hook to low-levels: Reporting the current status of encryption. 5488 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5489 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5490 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5491 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5492 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5493 */ 5494 private int getEncryptionStatus() { 5495 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5496 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5497 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5498 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5499 } else if (mInjector.storageManagerIsEncrypted()) { 5500 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5501 } else if (mInjector.storageManagerIsEncryptable()) { 5502 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5503 } else { 5504 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5505 } 5506 } 5507 5508 /** 5509 * Hook to low-levels: If needed, record the new admin setting for encryption. 5510 */ 5511 private void setEncryptionRequested(boolean encrypt) { 5512 } 5513 5514 /** 5515 * Set whether the screen capture is disabled for the user managed by the specified admin. 5516 */ 5517 @Override 5518 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5519 if (!mHasFeature) { 5520 return; 5521 } 5522 Preconditions.checkNotNull(who, "ComponentName is null"); 5523 final int userHandle = UserHandle.getCallingUserId(); 5524 synchronized (this) { 5525 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5526 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5527 if (ap.disableScreenCapture != disabled) { 5528 ap.disableScreenCapture = disabled; 5529 saveSettingsLocked(userHandle); 5530 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5531 } 5532 } 5533 } 5534 5535 /** 5536 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5537 * active admin (if given admin is null). 5538 */ 5539 @Override 5540 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5541 if (!mHasFeature) { 5542 return false; 5543 } 5544 synchronized (this) { 5545 if (who != null) { 5546 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5547 return (admin != null) ? admin.disableScreenCapture : false; 5548 } 5549 5550 DevicePolicyData policy = getUserData(userHandle); 5551 final int N = policy.mAdminList.size(); 5552 for (int i = 0; i < N; i++) { 5553 ActiveAdmin admin = policy.mAdminList.get(i); 5554 if (admin.disableScreenCapture) { 5555 return true; 5556 } 5557 } 5558 return false; 5559 } 5560 } 5561 5562 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5563 final boolean disabled) { 5564 mHandler.post(new Runnable() { 5565 @Override 5566 public void run() { 5567 try { 5568 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5569 } catch (RemoteException e) { 5570 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5571 } 5572 } 5573 }); 5574 } 5575 5576 /** 5577 * Set whether auto time is required by the specified admin (must be device owner). 5578 */ 5579 @Override 5580 public void setAutoTimeRequired(ComponentName who, boolean required) { 5581 if (!mHasFeature) { 5582 return; 5583 } 5584 Preconditions.checkNotNull(who, "ComponentName is null"); 5585 final int userHandle = UserHandle.getCallingUserId(); 5586 synchronized (this) { 5587 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5588 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5589 if (admin.requireAutoTime != required) { 5590 admin.requireAutoTime = required; 5591 saveSettingsLocked(userHandle); 5592 } 5593 } 5594 5595 // Turn AUTO_TIME on in settings if it is required 5596 if (required) { 5597 long ident = mInjector.binderClearCallingIdentity(); 5598 try { 5599 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5600 } finally { 5601 mInjector.binderRestoreCallingIdentity(ident); 5602 } 5603 } 5604 } 5605 5606 /** 5607 * Returns whether or not auto time is required by the device owner. 5608 */ 5609 @Override 5610 public boolean getAutoTimeRequired() { 5611 if (!mHasFeature) { 5612 return false; 5613 } 5614 synchronized (this) { 5615 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5616 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5617 } 5618 } 5619 5620 @Override 5621 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5622 if (!mHasFeature) { 5623 return; 5624 } 5625 Preconditions.checkNotNull(who, "ComponentName is null"); 5626 // Allow setting this policy to true only if there is a split system user. 5627 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5628 throw new UnsupportedOperationException( 5629 "Cannot force ephemeral users on systems without split system user."); 5630 } 5631 boolean removeAllUsers = false; 5632 synchronized (this) { 5633 final ActiveAdmin deviceOwner = 5634 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5635 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5636 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5637 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5638 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5639 removeAllUsers = forceEphemeralUsers; 5640 } 5641 } 5642 if (removeAllUsers) { 5643 long identitity = mInjector.binderClearCallingIdentity(); 5644 try { 5645 mUserManagerInternal.removeAllUsers(); 5646 } finally { 5647 mInjector.binderRestoreCallingIdentity(identitity); 5648 } 5649 } 5650 } 5651 5652 @Override 5653 public boolean getForceEphemeralUsers(ComponentName who) { 5654 if (!mHasFeature) { 5655 return false; 5656 } 5657 Preconditions.checkNotNull(who, "ComponentName is null"); 5658 synchronized (this) { 5659 final ActiveAdmin deviceOwner = 5660 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5661 return deviceOwner.forceEphemeralUsers; 5662 } 5663 } 5664 5665 private void ensureDeviceOwnerAndAllUsersAffiliated(ComponentName who) throws SecurityException { 5666 synchronized (this) { 5667 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5668 if (!areAllUsersAffiliatedWithDeviceLocked()) { 5669 throw new SecurityException("Not all users are affiliated."); 5670 } 5671 } 5672 } 5673 5674 @Override 5675 public boolean requestBugreport(ComponentName who) { 5676 if (!mHasFeature) { 5677 return false; 5678 } 5679 Preconditions.checkNotNull(who, "ComponentName is null"); 5680 5681 // TODO: If an unaffiliated user is removed, the admin will be able to request a bugreport 5682 // which could still contain data related to that user. Should we disallow that, e.g. until 5683 // next boot? Might not be needed given that this still requires user consent. 5684 ensureDeviceOwnerAndAllUsersAffiliated(who); 5685 5686 if (mRemoteBugreportServiceIsActive.get() 5687 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5688 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5689 return false; 5690 } 5691 5692 final long currentTime = System.currentTimeMillis(); 5693 synchronized (this) { 5694 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 5695 if (currentTime > policyData.mLastBugReportRequestTime) { 5696 policyData.mLastBugReportRequestTime = currentTime; 5697 saveSettingsLocked(UserHandle.USER_SYSTEM); 5698 } 5699 } 5700 5701 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5702 try { 5703 mInjector.getIActivityManager().requestBugReport( 5704 ActivityManager.BUGREPORT_OPTION_REMOTE); 5705 5706 mRemoteBugreportServiceIsActive.set(true); 5707 mRemoteBugreportSharingAccepted.set(false); 5708 registerRemoteBugreportReceivers(); 5709 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 5710 RemoteBugreportUtils.NOTIFICATION_ID, 5711 RemoteBugreportUtils.buildNotification(mContext, 5712 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5713 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5714 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5715 return true; 5716 } catch (RemoteException re) { 5717 // should never happen 5718 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5719 return false; 5720 } finally { 5721 mInjector.binderRestoreCallingIdentity(callingIdentity); 5722 } 5723 } 5724 5725 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5726 Intent intent = new Intent(action); 5727 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5728 if (extras != null) { 5729 intent.putExtras(extras); 5730 } 5731 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5732 } 5733 5734 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5735 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5736 } 5737 5738 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5739 String bugreportHash) { 5740 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5741 } 5742 5743 private void registerRemoteBugreportReceivers() { 5744 try { 5745 IntentFilter filterFinished = new IntentFilter( 5746 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5747 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5748 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5749 } catch (IntentFilter.MalformedMimeTypeException e) { 5750 // should never happen, as setting a constant 5751 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5752 } 5753 IntentFilter filterConsent = new IntentFilter(); 5754 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5755 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5756 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5757 } 5758 5759 private void onBugreportFinished(Intent intent) { 5760 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5761 mRemoteBugreportServiceIsActive.set(false); 5762 Uri bugreportUri = intent.getData(); 5763 String bugreportUriString = null; 5764 if (bugreportUri != null) { 5765 bugreportUriString = bugreportUri.toString(); 5766 } 5767 String bugreportHash = intent.getStringExtra( 5768 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5769 if (mRemoteBugreportSharingAccepted.get()) { 5770 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5771 mInjector.getNotificationManager().cancel(LOG_TAG, 5772 RemoteBugreportUtils.NOTIFICATION_ID); 5773 } else { 5774 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5775 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5776 RemoteBugreportUtils.buildNotification(mContext, 5777 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5778 UserHandle.ALL); 5779 } 5780 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5781 } 5782 5783 private void onBugreportFailed() { 5784 mRemoteBugreportServiceIsActive.set(false); 5785 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5786 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5787 mRemoteBugreportSharingAccepted.set(false); 5788 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5789 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5790 Bundle extras = new Bundle(); 5791 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5792 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5793 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5794 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5795 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5796 } 5797 5798 private void onBugreportSharingAccepted() { 5799 mRemoteBugreportSharingAccepted.set(true); 5800 String bugreportUriString = null; 5801 String bugreportHash = null; 5802 synchronized (this) { 5803 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5804 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5805 } 5806 if (bugreportUriString != null) { 5807 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5808 } else if (mRemoteBugreportServiceIsActive.get()) { 5809 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5810 RemoteBugreportUtils.buildNotification(mContext, 5811 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5812 UserHandle.ALL); 5813 } 5814 } 5815 5816 private void onBugreportSharingDeclined() { 5817 if (mRemoteBugreportServiceIsActive.get()) { 5818 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5819 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5820 mRemoteBugreportServiceIsActive.set(false); 5821 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5822 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5823 } 5824 mRemoteBugreportSharingAccepted.set(false); 5825 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5826 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5827 } 5828 5829 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5830 String bugreportHash) { 5831 ParcelFileDescriptor pfd = null; 5832 try { 5833 if (bugreportUriString == null) { 5834 throw new FileNotFoundException(); 5835 } 5836 Uri bugreportUri = Uri.parse(bugreportUriString); 5837 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5838 5839 synchronized (this) { 5840 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5841 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5842 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5843 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5844 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5845 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5846 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5847 } 5848 } catch (FileNotFoundException e) { 5849 Bundle extras = new Bundle(); 5850 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5851 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5852 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5853 } finally { 5854 try { 5855 if (pfd != null) { 5856 pfd.close(); 5857 } 5858 } catch (IOException ex) { 5859 // Ignore 5860 } 5861 mRemoteBugreportSharingAccepted.set(false); 5862 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5863 } 5864 } 5865 5866 /** 5867 * Disables all device cameras according to the specified admin. 5868 */ 5869 @Override 5870 public void setCameraDisabled(ComponentName who, boolean disabled) { 5871 if (!mHasFeature) { 5872 return; 5873 } 5874 Preconditions.checkNotNull(who, "ComponentName is null"); 5875 final int userHandle = mInjector.userHandleGetCallingUserId(); 5876 synchronized (this) { 5877 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5878 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5879 if (ap.disableCamera != disabled) { 5880 ap.disableCamera = disabled; 5881 saveSettingsLocked(userHandle); 5882 } 5883 } 5884 // Tell the user manager that the restrictions have changed. 5885 pushUserRestrictions(userHandle); 5886 } 5887 5888 /** 5889 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5890 * active admins. 5891 */ 5892 @Override 5893 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5894 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5895 } 5896 5897 private boolean getCameraDisabled(ComponentName who, int userHandle, 5898 boolean mergeDeviceOwnerRestriction) { 5899 if (!mHasFeature) { 5900 return false; 5901 } 5902 synchronized (this) { 5903 if (who != null) { 5904 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5905 return (admin != null) ? admin.disableCamera : false; 5906 } 5907 // First, see if DO has set it. If so, it's device-wide. 5908 if (mergeDeviceOwnerRestriction) { 5909 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5910 if (deviceOwner != null && deviceOwner.disableCamera) { 5911 return true; 5912 } 5913 } 5914 5915 // Then check each device admin on the user. 5916 DevicePolicyData policy = getUserData(userHandle); 5917 // Determine whether or not the device camera is disabled for any active admins. 5918 final int N = policy.mAdminList.size(); 5919 for (int i = 0; i < N; i++) { 5920 ActiveAdmin admin = policy.mAdminList.get(i); 5921 if (admin.disableCamera) { 5922 return true; 5923 } 5924 } 5925 return false; 5926 } 5927 } 5928 5929 @Override 5930 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5931 if (!mHasFeature) { 5932 return; 5933 } 5934 Preconditions.checkNotNull(who, "ComponentName is null"); 5935 final int userHandle = mInjector.userHandleGetCallingUserId(); 5936 if (isManagedProfile(userHandle)) { 5937 if (parent) { 5938 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5939 } else { 5940 which = which & PROFILE_KEYGUARD_FEATURES; 5941 } 5942 } 5943 synchronized (this) { 5944 ActiveAdmin ap = getActiveAdminForCallerLocked( 5945 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5946 if (ap.disabledKeyguardFeatures != which) { 5947 ap.disabledKeyguardFeatures = which; 5948 saveSettingsLocked(userHandle); 5949 } 5950 } 5951 } 5952 5953 /** 5954 * Gets the disabled state for features in keyguard for the given admin, 5955 * or the aggregate of all active admins if who is null. 5956 */ 5957 @Override 5958 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5959 if (!mHasFeature) { 5960 return 0; 5961 } 5962 enforceFullCrossUsersPermission(userHandle); 5963 final long ident = mInjector.binderClearCallingIdentity(); 5964 try { 5965 synchronized (this) { 5966 if (who != null) { 5967 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5968 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5969 } 5970 5971 final List<ActiveAdmin> admins; 5972 if (!parent && isManagedProfile(userHandle)) { 5973 // If we are being asked about a managed profile, just return keyguard features 5974 // disabled by admins in the profile. 5975 admins = getUserDataUnchecked(userHandle).mAdminList; 5976 } else { 5977 // Otherwise return those set by admins in the user and its profiles. 5978 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5979 } 5980 5981 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5982 final int N = admins.size(); 5983 for (int i = 0; i < N; i++) { 5984 ActiveAdmin admin = admins.get(i); 5985 int userId = admin.getUserHandle().getIdentifier(); 5986 boolean isRequestedUser = !parent && (userId == userHandle); 5987 if (isRequestedUser || !isManagedProfile(userId)) { 5988 // If we are being asked explicitly about this user 5989 // return all disabled features even if its a managed profile. 5990 which |= admin.disabledKeyguardFeatures; 5991 } else { 5992 // Otherwise a managed profile is only allowed to disable 5993 // some features on the parent user. 5994 which |= (admin.disabledKeyguardFeatures 5995 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5996 } 5997 } 5998 return which; 5999 } 6000 } finally { 6001 mInjector.binderRestoreCallingIdentity(ident); 6002 } 6003 } 6004 6005 @Override 6006 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 6007 if (!mHasFeature) { 6008 return; 6009 } 6010 Preconditions.checkNotNull(who, "ComponentName is null"); 6011 Preconditions.checkNotNull(packageList, "packageList is null"); 6012 final int userHandle = UserHandle.getCallingUserId(); 6013 synchronized (this) { 6014 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6015 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6016 admin.keepUninstalledPackages = packageList; 6017 saveSettingsLocked(userHandle); 6018 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 6019 } 6020 } 6021 6022 @Override 6023 public List<String> getKeepUninstalledPackages(ComponentName who) { 6024 Preconditions.checkNotNull(who, "ComponentName is null"); 6025 if (!mHasFeature) { 6026 return null; 6027 } 6028 // TODO In split system user mode, allow apps on user 0 to query the list 6029 synchronized (this) { 6030 // Check if this is the device owner who is calling 6031 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6032 return getKeepUninstalledPackagesLocked(); 6033 } 6034 } 6035 6036 private List<String> getKeepUninstalledPackagesLocked() { 6037 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6038 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 6039 } 6040 6041 @Override 6042 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 6043 if (!mHasFeature) { 6044 return false; 6045 } 6046 if (admin == null 6047 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 6048 throw new IllegalArgumentException("Invalid component " + admin 6049 + " for device owner"); 6050 } 6051 final boolean hasIncompatibleAccountsOrNonAdb = 6052 hasIncompatibleAccountsOrNonAdbNoLock(userId, admin); 6053 synchronized (this) { 6054 enforceCanSetDeviceOwnerLocked(admin, userId, hasIncompatibleAccountsOrNonAdb); 6055 final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); 6056 if (activeAdmin == null 6057 || getUserData(userId).mRemovingAdmins.contains(admin)) { 6058 throw new IllegalArgumentException("Not active admin: " + admin); 6059 } 6060 6061 // Shutting down backup manager service permanently. 6062 long ident = mInjector.binderClearCallingIdentity(); 6063 try { 6064 if (mInjector.getIBackupManager() != null) { 6065 mInjector.getIBackupManager() 6066 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 6067 } 6068 } catch (RemoteException e) { 6069 throw new IllegalStateException("Failed deactivating backup service.", e); 6070 } finally { 6071 mInjector.binderRestoreCallingIdentity(ident); 6072 } 6073 6074 if (isAdb()) { 6075 // Log device owner provisioning was started using adb. 6076 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 6077 } 6078 6079 mOwners.setDeviceOwner(admin, ownerName, userId); 6080 mOwners.writeDeviceOwner(); 6081 updateDeviceOwnerLocked(); 6082 setDeviceOwnerSystemPropertyLocked(); 6083 6084 final Set<String> restrictions = 6085 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); 6086 if (!restrictions.isEmpty()) { 6087 for (String restriction : restrictions) { 6088 activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); 6089 } 6090 activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); 6091 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); 6092 6093 saveUserRestrictionsLocked(userId); 6094 } 6095 6096 ident = mInjector.binderClearCallingIdentity(); 6097 try { 6098 // TODO Send to system too? 6099 mContext.sendBroadcastAsUser( 6100 new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED), 6101 UserHandle.of(userId)); 6102 } finally { 6103 mInjector.binderRestoreCallingIdentity(ident); 6104 } 6105 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 6106 return true; 6107 } 6108 } 6109 6110 @Override 6111 public boolean hasDeviceOwner() { 6112 enforceDeviceOwnerOrManageUsers(); 6113 return mOwners.hasDeviceOwner(); 6114 } 6115 6116 boolean isDeviceOwner(ActiveAdmin admin) { 6117 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6118 } 6119 6120 public boolean isDeviceOwner(ComponentName who, int userId) { 6121 synchronized (this) { 6122 return mOwners.hasDeviceOwner() 6123 && mOwners.getDeviceOwnerUserId() == userId 6124 && mOwners.getDeviceOwnerComponent().equals(who); 6125 } 6126 } 6127 6128 private boolean isDeviceOwnerPackage(String packageName, int userId) { 6129 synchronized (this) { 6130 return mOwners.hasDeviceOwner() 6131 && mOwners.getDeviceOwnerUserId() == userId 6132 && mOwners.getDeviceOwnerPackageName().equals(packageName); 6133 } 6134 } 6135 6136 public boolean isProfileOwner(ComponentName who, int userId) { 6137 final ComponentName profileOwner = getProfileOwner(userId); 6138 return who != null && who.equals(profileOwner); 6139 } 6140 6141 @Override 6142 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6143 if (!mHasFeature) { 6144 return null; 6145 } 6146 if (!callingUserOnly) { 6147 enforceManageUsers(); 6148 } 6149 synchronized (this) { 6150 if (!mOwners.hasDeviceOwner()) { 6151 return null; 6152 } 6153 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6154 mOwners.getDeviceOwnerUserId()) { 6155 return null; 6156 } 6157 return mOwners.getDeviceOwnerComponent(); 6158 } 6159 } 6160 6161 @Override 6162 public int getDeviceOwnerUserId() { 6163 if (!mHasFeature) { 6164 return UserHandle.USER_NULL; 6165 } 6166 enforceManageUsers(); 6167 synchronized (this) { 6168 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6169 } 6170 } 6171 6172 /** 6173 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6174 * MANAGE_USERS. 6175 */ 6176 @Override 6177 public String getDeviceOwnerName() { 6178 if (!mHasFeature) { 6179 return null; 6180 } 6181 enforceManageUsers(); 6182 synchronized (this) { 6183 if (!mOwners.hasDeviceOwner()) { 6184 return null; 6185 } 6186 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6187 // Should setDeviceOwner/ProfileOwner still take a name? 6188 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6189 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6190 } 6191 } 6192 6193 /** Returns the active device owner or {@code null} if there is no device owner. */ 6194 @VisibleForTesting 6195 ActiveAdmin getDeviceOwnerAdminLocked() { 6196 ComponentName component = mOwners.getDeviceOwnerComponent(); 6197 if (component == null) { 6198 return null; 6199 } 6200 6201 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6202 final int n = policy.mAdminList.size(); 6203 for (int i = 0; i < n; i++) { 6204 ActiveAdmin admin = policy.mAdminList.get(i); 6205 if (component.equals(admin.info.getComponent())) { 6206 return admin; 6207 } 6208 } 6209 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6210 return null; 6211 } 6212 6213 @Override 6214 public void clearDeviceOwner(String packageName) { 6215 Preconditions.checkNotNull(packageName, "packageName is null"); 6216 final int callingUid = mInjector.binderGetCallingUid(); 6217 try { 6218 int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, 6219 UserHandle.getUserId(callingUid)); 6220 if (uid != callingUid) { 6221 throw new SecurityException("Invalid packageName"); 6222 } 6223 } catch (NameNotFoundException e) { 6224 throw new SecurityException(e); 6225 } 6226 synchronized (this) { 6227 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6228 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6229 if (!mOwners.hasDeviceOwner() 6230 || !deviceOwnerComponent.getPackageName().equals(packageName) 6231 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6232 throw new SecurityException( 6233 "clearDeviceOwner can only be called by the device owner"); 6234 } 6235 enforceUserUnlocked(deviceOwnerUserId); 6236 6237 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6238 long ident = mInjector.binderClearCallingIdentity(); 6239 try { 6240 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6241 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6242 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6243 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6244 } finally { 6245 mInjector.binderRestoreCallingIdentity(ident); 6246 } 6247 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6248 } 6249 } 6250 6251 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6252 if (admin != null) { 6253 admin.disableCamera = false; 6254 admin.userRestrictions = null; 6255 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6256 admin.forceEphemeralUsers = false; 6257 admin.isNetworkLoggingEnabled = false; 6258 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6259 final DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6260 policyData.mLastSecurityLogRetrievalTime = -1; 6261 policyData.mLastBugReportRequestTime = -1; 6262 policyData.mLastNetworkLogsRetrievalTime = -1; 6263 saveSettingsLocked(UserHandle.USER_SYSTEM); 6264 } 6265 clearUserPoliciesLocked(userId); 6266 6267 mOwners.clearDeviceOwner(); 6268 mOwners.writeDeviceOwner(); 6269 updateDeviceOwnerLocked(); 6270 6271 mInjector.securityLogSetLoggingEnabledProperty(false); 6272 mSecurityLogMonitor.stop(); 6273 setNetworkLoggingActiveInternal(false); 6274 6275 try { 6276 if (mInjector.getIBackupManager() != null) { 6277 // Reactivate backup service. 6278 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6279 } 6280 } catch (RemoteException e) { 6281 throw new IllegalStateException("Failed reactivating backup service.", e); 6282 } 6283 } 6284 6285 @Override 6286 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6287 if (!mHasFeature) { 6288 return false; 6289 } 6290 if (who == null 6291 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6292 throw new IllegalArgumentException("Component " + who 6293 + " not installed for userId:" + userHandle); 6294 } 6295 final boolean hasIncompatibleAccountsOrNonAdb = 6296 hasIncompatibleAccountsOrNonAdbNoLock(userHandle, who); 6297 synchronized (this) { 6298 enforceCanSetProfileOwnerLocked(who, userHandle, hasIncompatibleAccountsOrNonAdb); 6299 6300 if (getActiveAdminUncheckedLocked(who, userHandle) == null 6301 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6302 throw new IllegalArgumentException("Not active admin: " + who); 6303 } 6304 6305 if (isAdb()) { 6306 // Log profile owner provisioning was started using adb. 6307 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6308 } 6309 6310 mOwners.setProfileOwner(who, ownerName, userHandle); 6311 mOwners.writeProfileOwner(userHandle); 6312 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6313 6314 return true; 6315 } 6316 } 6317 6318 @Override 6319 public void clearProfileOwner(ComponentName who) { 6320 if (!mHasFeature) { 6321 return; 6322 } 6323 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 6324 final int userId = callingUser.getIdentifier(); 6325 enforceNotManagedProfile(userId, "clear profile owner"); 6326 enforceUserUnlocked(userId); 6327 // Check if this is the profile owner who is calling 6328 final ActiveAdmin admin = 6329 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6330 synchronized (this) { 6331 final long ident = mInjector.binderClearCallingIdentity(); 6332 try { 6333 clearProfileOwnerLocked(admin, userId); 6334 removeActiveAdminLocked(who, userId); 6335 } finally { 6336 mInjector.binderRestoreCallingIdentity(ident); 6337 } 6338 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6339 } 6340 } 6341 6342 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6343 if (admin != null) { 6344 admin.disableCamera = false; 6345 admin.userRestrictions = null; 6346 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6347 } 6348 clearUserPoliciesLocked(userId); 6349 mOwners.removeProfileOwner(userId); 6350 mOwners.writeProfileOwner(userId); 6351 } 6352 6353 @Override 6354 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6355 Preconditions.checkNotNull(who, "ComponentName is null"); 6356 if (!mHasFeature) { 6357 return; 6358 } 6359 6360 synchronized (this) { 6361 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6362 long token = mInjector.binderClearCallingIdentity(); 6363 try { 6364 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6365 } finally { 6366 mInjector.binderRestoreCallingIdentity(token); 6367 } 6368 } 6369 } 6370 6371 @Override 6372 public CharSequence getDeviceOwnerLockScreenInfo() { 6373 return mLockPatternUtils.getDeviceOwnerInfo(); 6374 } 6375 6376 private void clearUserPoliciesLocked(int userId) { 6377 // Reset some of the user-specific policies 6378 DevicePolicyData policy = getUserData(userId); 6379 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6380 policy.mDelegatedCertInstallerPackage = null; 6381 policy.mApplicationRestrictionsManagingPackage = null; 6382 policy.mStatusBarDisabled = false; 6383 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6384 saveSettingsLocked(userId); 6385 6386 try { 6387 mIPackageManager.updatePermissionFlagsForAllApps( 6388 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6389 0 /* flagValues */, userId); 6390 pushUserRestrictions(userId); 6391 } catch (RemoteException re) { 6392 // Shouldn't happen. 6393 } 6394 } 6395 6396 @Override 6397 public boolean hasUserSetupCompleted() { 6398 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6399 } 6400 6401 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6402 // completing Setup Wizard, and pairing involves transferring user data, calling 6403 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6404 private boolean hasUserSetupCompleted(int userHandle) { 6405 if (!mHasFeature) { 6406 return true; 6407 } 6408 return getUserData(userHandle).mUserSetupComplete; 6409 } 6410 6411 private boolean hasPaired(int userHandle) { 6412 if (!mHasFeature) { 6413 return true; 6414 } 6415 return getUserData(userHandle).mPaired; 6416 } 6417 6418 @Override 6419 public int getUserProvisioningState() { 6420 if (!mHasFeature) { 6421 return DevicePolicyManager.STATE_USER_UNMANAGED; 6422 } 6423 int userHandle = mInjector.userHandleGetCallingUserId(); 6424 return getUserProvisioningState(userHandle); 6425 } 6426 6427 private int getUserProvisioningState(int userHandle) { 6428 return getUserData(userHandle).mUserProvisioningState; 6429 } 6430 6431 @Override 6432 public void setUserProvisioningState(int newState, int userHandle) { 6433 if (!mHasFeature) { 6434 return; 6435 } 6436 6437 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6438 && getManagedUserId(userHandle) == -1) { 6439 // No managed device, user or profile, so setting provisioning state makes no sense. 6440 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6441 + "device or profile owner is set."); 6442 } 6443 6444 synchronized (this) { 6445 boolean transitionCheckNeeded = true; 6446 6447 // Calling identity/permission checks. 6448 if (isAdb()) { 6449 // ADB shell can only move directly from un-managed to finalized as part of directly 6450 // setting profile-owner or device-owner. 6451 if (getUserProvisioningState(userHandle) != 6452 DevicePolicyManager.STATE_USER_UNMANAGED 6453 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6454 throw new IllegalStateException("Not allowed to change provisioning state " 6455 + "unless current provisioning state is unmanaged, and new state is " 6456 + "finalized."); 6457 } 6458 transitionCheckNeeded = false; 6459 } else { 6460 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6461 enforceCanManageProfileAndDeviceOwners(); 6462 } 6463 6464 final DevicePolicyData policyData = getUserData(userHandle); 6465 if (transitionCheckNeeded) { 6466 // Optional state transition check for non-ADB case. 6467 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6468 } 6469 policyData.mUserProvisioningState = newState; 6470 saveSettingsLocked(userHandle); 6471 } 6472 } 6473 6474 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6475 // Valid transitions for normal use-cases. 6476 switch (currentState) { 6477 case DevicePolicyManager.STATE_USER_UNMANAGED: 6478 // Can move to any state from unmanaged (except itself as an edge case).. 6479 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6480 return; 6481 } 6482 break; 6483 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6484 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6485 // Can only move to finalized from these states. 6486 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6487 return; 6488 } 6489 break; 6490 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6491 // Current user has a managed-profile, but current user is not managed, so 6492 // rather than moving to finalized state, go back to unmanaged once 6493 // profile provisioning is complete. 6494 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6495 return; 6496 } 6497 break; 6498 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6499 // Cannot transition out of finalized. 6500 break; 6501 } 6502 6503 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6504 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6505 + "from state [" + currentState + "]"); 6506 } 6507 6508 @Override 6509 public void setProfileEnabled(ComponentName who) { 6510 if (!mHasFeature) { 6511 return; 6512 } 6513 Preconditions.checkNotNull(who, "ComponentName is null"); 6514 synchronized (this) { 6515 // Check if this is the profile owner who is calling 6516 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6517 final int userId = UserHandle.getCallingUserId(); 6518 enforceManagedProfile(userId, "enable the profile"); 6519 // Check if the profile is already enabled. 6520 UserInfo managedProfile = getUserInfo(userId); 6521 if (managedProfile.isEnabled()) { 6522 Slog.e(LOG_TAG, 6523 "setProfileEnabled is called when the profile is already enabled"); 6524 return; 6525 } 6526 long id = mInjector.binderClearCallingIdentity(); 6527 try { 6528 mUserManager.setUserEnabled(userId); 6529 UserInfo parent = mUserManager.getProfileParent(userId); 6530 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6531 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6532 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6533 Intent.FLAG_RECEIVER_FOREGROUND); 6534 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6535 } finally { 6536 mInjector.binderRestoreCallingIdentity(id); 6537 } 6538 } 6539 } 6540 6541 @Override 6542 public void setProfileName(ComponentName who, String profileName) { 6543 Preconditions.checkNotNull(who, "ComponentName is null"); 6544 int userId = UserHandle.getCallingUserId(); 6545 // Check if this is the profile owner (includes device owner). 6546 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6547 6548 long id = mInjector.binderClearCallingIdentity(); 6549 try { 6550 mUserManager.setUserName(userId, profileName); 6551 } finally { 6552 mInjector.binderRestoreCallingIdentity(id); 6553 } 6554 } 6555 6556 @Override 6557 public ComponentName getProfileOwner(int userHandle) { 6558 if (!mHasFeature) { 6559 return null; 6560 } 6561 6562 synchronized (this) { 6563 return mOwners.getProfileOwnerComponent(userHandle); 6564 } 6565 } 6566 6567 // Returns the active profile owner for this user or null if the current user has no 6568 // profile owner. 6569 @VisibleForTesting 6570 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6571 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6572 if (profileOwner == null) { 6573 return null; 6574 } 6575 DevicePolicyData policy = getUserData(userHandle); 6576 final int n = policy.mAdminList.size(); 6577 for (int i = 0; i < n; i++) { 6578 ActiveAdmin admin = policy.mAdminList.get(i); 6579 if (profileOwner.equals(admin.info.getComponent())) { 6580 return admin; 6581 } 6582 } 6583 return null; 6584 } 6585 6586 @Override 6587 public String getProfileOwnerName(int userHandle) { 6588 if (!mHasFeature) { 6589 return null; 6590 } 6591 enforceManageUsers(); 6592 ComponentName profileOwner = getProfileOwner(userHandle); 6593 if (profileOwner == null) { 6594 return null; 6595 } 6596 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6597 } 6598 6599 /** 6600 * Canonical name for a given package. 6601 */ 6602 private String getApplicationLabel(String packageName, int userHandle) { 6603 long token = mInjector.binderClearCallingIdentity(); 6604 try { 6605 final Context userContext; 6606 try { 6607 UserHandle handle = new UserHandle(userHandle); 6608 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6609 } catch (PackageManager.NameNotFoundException nnfe) { 6610 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6611 return null; 6612 } 6613 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6614 CharSequence result = null; 6615 if (appInfo != null) { 6616 PackageManager pm = userContext.getPackageManager(); 6617 result = pm.getApplicationLabel(appInfo); 6618 } 6619 return result != null ? result.toString() : null; 6620 } finally { 6621 mInjector.binderRestoreCallingIdentity(token); 6622 } 6623 } 6624 6625 /** 6626 * Calls wtfStack() if called with the DPMS lock held. 6627 */ 6628 private void wtfIfInLock() { 6629 if (Thread.holdsLock(this)) { 6630 Slog.wtfStack(LOG_TAG, "Shouldn't be called with DPMS lock held"); 6631 } 6632 } 6633 6634 /** 6635 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6636 * permission. 6637 * The profile owner can only be set before the user setup phase has completed, 6638 * except for: 6639 * - SYSTEM_UID 6640 * - adb unless hasIncompatibleAccountsOrNonAdb is true. 6641 */ 6642 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle, 6643 boolean hasIncompatibleAccountsOrNonAdb) { 6644 UserInfo info = getUserInfo(userHandle); 6645 if (info == null) { 6646 // User doesn't exist. 6647 throw new IllegalArgumentException( 6648 "Attempted to set profile owner for invalid userId: " + userHandle); 6649 } 6650 if (info.isGuest()) { 6651 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6652 } 6653 if (mOwners.hasProfileOwner(userHandle)) { 6654 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6655 + "is already set."); 6656 } 6657 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6658 throw new IllegalStateException("Trying to set the profile owner, but the user " 6659 + "already has a device owner."); 6660 } 6661 if (isAdb()) { 6662 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 6663 && hasIncompatibleAccountsOrNonAdb) { 6664 throw new IllegalStateException("Not allowed to set the profile owner because " 6665 + "there are already some accounts on the profile"); 6666 } 6667 return; 6668 } 6669 enforceCanManageProfileAndDeviceOwners(); 6670 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 6671 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6672 + "already set-up"); 6673 } 6674 } 6675 6676 /** 6677 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6678 * permission. 6679 */ 6680 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId, 6681 boolean hasIncompatibleAccountsOrNonAdb) { 6682 if (!isAdb()) { 6683 enforceCanManageProfileAndDeviceOwners(); 6684 } 6685 6686 final int code = checkDeviceOwnerProvisioningPreConditionLocked( 6687 owner, userId, isAdb(), hasIncompatibleAccountsOrNonAdb); 6688 switch (code) { 6689 case CODE_OK: 6690 return; 6691 case CODE_HAS_DEVICE_OWNER: 6692 throw new IllegalStateException( 6693 "Trying to set the device owner, but device owner is already set."); 6694 case CODE_USER_HAS_PROFILE_OWNER: 6695 throw new IllegalStateException("Trying to set the device owner, but the user " 6696 + "already has a profile owner."); 6697 case CODE_USER_NOT_RUNNING: 6698 throw new IllegalStateException("User not running: " + userId); 6699 case CODE_NOT_SYSTEM_USER: 6700 throw new IllegalStateException("User is not system user"); 6701 case CODE_USER_SETUP_COMPLETED: 6702 throw new IllegalStateException( 6703 "Cannot set the device owner if the device is already set-up"); 6704 case CODE_NONSYSTEM_USER_EXISTS: 6705 throw new IllegalStateException("Not allowed to set the device owner because there " 6706 + "are already several users on the device"); 6707 case CODE_ACCOUNTS_NOT_EMPTY: 6708 throw new IllegalStateException("Not allowed to set the device owner because there " 6709 + "are already some accounts on the device"); 6710 case CODE_HAS_PAIRED: 6711 throw new IllegalStateException("Not allowed to set the device owner because this " 6712 + "device has already paired"); 6713 default: 6714 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 6715 } 6716 } 6717 6718 private void enforceUserUnlocked(int userId) { 6719 // Since we're doing this operation on behalf of an app, we only 6720 // want to use the actual "unlocked" state. 6721 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6722 "User must be running and unlocked"); 6723 } 6724 6725 private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { 6726 if (parent) { 6727 enforceUserUnlocked(getProfileParentId(userId)); 6728 } else { 6729 enforceUserUnlocked(userId); 6730 } 6731 } 6732 6733 private void enforceManageUsers() { 6734 final int callingUid = mInjector.binderGetCallingUid(); 6735 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6736 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6737 } 6738 } 6739 6740 private void enforceFullCrossUsersPermission(int userHandle) { 6741 enforceSystemUserOrPermission(userHandle, 6742 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6743 } 6744 6745 private void enforceCrossUsersPermission(int userHandle) { 6746 enforceSystemUserOrPermission(userHandle, 6747 android.Manifest.permission.INTERACT_ACROSS_USERS); 6748 } 6749 6750 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6751 if (userHandle < 0) { 6752 throw new IllegalArgumentException("Invalid userId " + userHandle); 6753 } 6754 final int callingUid = mInjector.binderGetCallingUid(); 6755 if (userHandle == UserHandle.getUserId(callingUid)) { 6756 return; 6757 } 6758 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6759 mContext.enforceCallingOrSelfPermission(permission, 6760 "Must be system or have " + permission + " permission"); 6761 } 6762 } 6763 6764 private void enforceManagedProfile(int userHandle, String message) { 6765 if(!isManagedProfile(userHandle)) { 6766 throw new SecurityException("You can not " + message + " outside a managed profile."); 6767 } 6768 } 6769 6770 private void enforceNotManagedProfile(int userHandle, String message) { 6771 if(isManagedProfile(userHandle)) { 6772 throw new SecurityException("You can not " + message + " for a managed profile."); 6773 } 6774 } 6775 6776 private void enforceDeviceOwnerOrManageUsers() { 6777 synchronized (this) { 6778 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6779 mInjector.binderGetCallingUid()) != null) { 6780 return; 6781 } 6782 } 6783 enforceManageUsers(); 6784 } 6785 6786 private void enforceProfileOwnerOrSystemUser(ComponentName admin) { 6787 synchronized (this) { 6788 if (getActiveAdminWithPolicyForUidLocked(admin, 6789 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 6790 != null) { 6791 return; 6792 } 6793 } 6794 Preconditions.checkState(isCallerWithSystemUid(), 6795 "Only profile owner, device owner and system may call this method."); 6796 } 6797 6798 private void ensureCallerPackage(@Nullable String packageName) { 6799 if (packageName == null) { 6800 Preconditions.checkState(isCallerWithSystemUid(), 6801 "Only caller can omit package name"); 6802 } else { 6803 final int callingUid = mInjector.binderGetCallingUid(); 6804 final int userId = mInjector.userHandleGetCallingUserId(); 6805 try { 6806 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6807 packageName, 0, userId); 6808 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6809 } catch (RemoteException e) { 6810 // Shouldn't happen 6811 } 6812 } 6813 } 6814 6815 private boolean isCallerWithSystemUid() { 6816 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6817 } 6818 6819 private int getProfileParentId(int userHandle) { 6820 final long ident = mInjector.binderClearCallingIdentity(); 6821 try { 6822 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6823 return parentUser != null ? parentUser.id : userHandle; 6824 } finally { 6825 mInjector.binderRestoreCallingIdentity(ident); 6826 } 6827 } 6828 6829 private int getCredentialOwner(int userHandle, boolean parent) { 6830 final long ident = mInjector.binderClearCallingIdentity(); 6831 try { 6832 if (parent) { 6833 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6834 if (parentProfile != null) { 6835 userHandle = parentProfile.id; 6836 } 6837 } 6838 return mUserManager.getCredentialOwnerProfile(userHandle); 6839 } finally { 6840 mInjector.binderRestoreCallingIdentity(ident); 6841 } 6842 } 6843 6844 private boolean isManagedProfile(int userHandle) { 6845 final UserInfo user = getUserInfo(userHandle); 6846 return user != null && user.isManagedProfile(); 6847 } 6848 6849 private void enableIfNecessary(String packageName, int userId) { 6850 try { 6851 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6852 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6853 userId); 6854 if (ai.enabledSetting 6855 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6856 mIPackageManager.setApplicationEnabledSetting(packageName, 6857 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6858 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6859 } 6860 } catch (RemoteException e) { 6861 } 6862 } 6863 6864 @Override 6865 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6866 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6867 != PackageManager.PERMISSION_GRANTED) { 6868 6869 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6870 + mInjector.binderGetCallingPid() 6871 + ", uid=" + mInjector.binderGetCallingUid()); 6872 return; 6873 } 6874 6875 synchronized (this) { 6876 pw.println("Current Device Policy Manager state:"); 6877 mOwners.dump(" ", pw); 6878 int userCount = mUserData.size(); 6879 for (int u = 0; u < userCount; u++) { 6880 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6881 pw.println(); 6882 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6883 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6884 final int N = policy.mAdminList.size(); 6885 for (int i=0; i<N; i++) { 6886 ActiveAdmin ap = policy.mAdminList.get(i); 6887 if (ap != null) { 6888 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6889 pw.println(":"); 6890 ap.dump(" ", pw); 6891 } 6892 } 6893 if (!policy.mRemovingAdmins.isEmpty()) { 6894 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6895 + policy.mRemovingAdmins); 6896 } 6897 6898 pw.println(" "); 6899 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6900 } 6901 pw.println(); 6902 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6903 } 6904 } 6905 6906 private String getEncryptionStatusName(int encryptionStatus) { 6907 switch (encryptionStatus) { 6908 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6909 return "inactive"; 6910 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6911 return "block default key"; 6912 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6913 return "block"; 6914 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6915 return "per-user"; 6916 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6917 return "unsupported"; 6918 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6919 return "activating"; 6920 default: 6921 return "unknown"; 6922 } 6923 } 6924 6925 @Override 6926 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6927 ComponentName activity) { 6928 Preconditions.checkNotNull(who, "ComponentName is null"); 6929 final int userHandle = UserHandle.getCallingUserId(); 6930 synchronized (this) { 6931 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6932 6933 long id = mInjector.binderClearCallingIdentity(); 6934 try { 6935 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6936 } catch (RemoteException re) { 6937 // Shouldn't happen 6938 } finally { 6939 mInjector.binderRestoreCallingIdentity(id); 6940 } 6941 } 6942 } 6943 6944 @Override 6945 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6946 Preconditions.checkNotNull(who, "ComponentName is null"); 6947 final int userHandle = UserHandle.getCallingUserId(); 6948 synchronized (this) { 6949 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6950 6951 long id = mInjector.binderClearCallingIdentity(); 6952 try { 6953 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6954 } catch (RemoteException re) { 6955 // Shouldn't happen 6956 } finally { 6957 mInjector.binderRestoreCallingIdentity(id); 6958 } 6959 } 6960 } 6961 6962 @Override 6963 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6964 String packageName) { 6965 Preconditions.checkNotNull(admin, "ComponentName is null"); 6966 6967 final int userHandle = mInjector.userHandleGetCallingUserId(); 6968 synchronized (this) { 6969 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6970 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6971 return false; 6972 } 6973 DevicePolicyData policy = getUserData(userHandle); 6974 policy.mApplicationRestrictionsManagingPackage = packageName; 6975 saveSettingsLocked(userHandle); 6976 return true; 6977 } 6978 } 6979 6980 @Override 6981 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6982 Preconditions.checkNotNull(admin, "ComponentName is null"); 6983 6984 final int userHandle = mInjector.userHandleGetCallingUserId(); 6985 synchronized (this) { 6986 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6987 DevicePolicyData policy = getUserData(userHandle); 6988 return policy.mApplicationRestrictionsManagingPackage; 6989 } 6990 } 6991 6992 @Override 6993 public boolean isCallerApplicationRestrictionsManagingPackage() { 6994 final int callingUid = mInjector.binderGetCallingUid(); 6995 final int userHandle = UserHandle.getUserId(callingUid); 6996 synchronized (this) { 6997 final DevicePolicyData policy = getUserData(userHandle); 6998 if (policy.mApplicationRestrictionsManagingPackage == null) { 6999 return false; 7000 } 7001 7002 try { 7003 int uid = mInjector.getPackageManager().getPackageUidAsUser( 7004 policy.mApplicationRestrictionsManagingPackage, userHandle); 7005 return uid == callingUid; 7006 } catch (NameNotFoundException e) { 7007 return false; 7008 } 7009 } 7010 } 7011 7012 private void enforceCanManageApplicationRestrictions(ComponentName who) { 7013 if (who != null) { 7014 synchronized (this) { 7015 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7016 } 7017 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 7018 throw new SecurityException( 7019 "No admin component given, and caller cannot manage application restrictions " 7020 + "for other apps."); 7021 } 7022 } 7023 7024 @Override 7025 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 7026 enforceCanManageApplicationRestrictions(who); 7027 7028 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7029 final long id = mInjector.binderClearCallingIdentity(); 7030 try { 7031 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 7032 } finally { 7033 mInjector.binderRestoreCallingIdentity(id); 7034 } 7035 } 7036 7037 @Override 7038 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 7039 PersistableBundle args, boolean parent) { 7040 if (!mHasFeature) { 7041 return; 7042 } 7043 Preconditions.checkNotNull(admin, "admin is null"); 7044 Preconditions.checkNotNull(agent, "agent is null"); 7045 final int userHandle = UserHandle.getCallingUserId(); 7046 synchronized (this) { 7047 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 7048 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 7049 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 7050 saveSettingsLocked(userHandle); 7051 } 7052 } 7053 7054 @Override 7055 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 7056 ComponentName agent, int userHandle, boolean parent) { 7057 if (!mHasFeature) { 7058 return null; 7059 } 7060 Preconditions.checkNotNull(agent, "agent null"); 7061 enforceFullCrossUsersPermission(userHandle); 7062 7063 synchronized (this) { 7064 final String componentName = agent.flattenToString(); 7065 if (admin != null) { 7066 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 7067 if (ap == null) return null; 7068 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 7069 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 7070 List<PersistableBundle> result = new ArrayList<>(); 7071 result.add(trustAgentInfo.options); 7072 return result; 7073 } 7074 7075 // Return strictest policy for this user and profiles that are visible from this user. 7076 List<PersistableBundle> result = null; 7077 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 7078 // of the options. If any admin doesn't have options, discard options for the rest 7079 // and return null. 7080 List<ActiveAdmin> admins = 7081 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 7082 boolean allAdminsHaveOptions = true; 7083 final int N = admins.size(); 7084 for (int i = 0; i < N; i++) { 7085 final ActiveAdmin active = admins.get(i); 7086 7087 final boolean disablesTrust = (active.disabledKeyguardFeatures 7088 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 7089 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 7090 if (info != null && info.options != null && !info.options.isEmpty()) { 7091 if (disablesTrust) { 7092 if (result == null) { 7093 result = new ArrayList<>(); 7094 } 7095 result.add(info.options); 7096 } else { 7097 Log.w(LOG_TAG, "Ignoring admin " + active.info 7098 + " because it has trust options but doesn't declare " 7099 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 7100 } 7101 } else if (disablesTrust) { 7102 allAdminsHaveOptions = false; 7103 break; 7104 } 7105 } 7106 return allAdminsHaveOptions ? result : null; 7107 } 7108 } 7109 7110 @Override 7111 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 7112 Preconditions.checkNotNull(who, "ComponentName is null"); 7113 synchronized (this) { 7114 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7115 7116 int userHandle = UserHandle.getCallingUserId(); 7117 DevicePolicyData userData = getUserData(userHandle); 7118 userData.mRestrictionsProvider = permissionProvider; 7119 saveSettingsLocked(userHandle); 7120 } 7121 } 7122 7123 @Override 7124 public ComponentName getRestrictionsProvider(int userHandle) { 7125 synchronized (this) { 7126 if (!isCallerWithSystemUid()) { 7127 throw new SecurityException("Only the system can query the permission provider"); 7128 } 7129 DevicePolicyData userData = getUserData(userHandle); 7130 return userData != null ? userData.mRestrictionsProvider : null; 7131 } 7132 } 7133 7134 @Override 7135 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 7136 Preconditions.checkNotNull(who, "ComponentName is null"); 7137 int callingUserId = UserHandle.getCallingUserId(); 7138 synchronized (this) { 7139 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7140 7141 long id = mInjector.binderClearCallingIdentity(); 7142 try { 7143 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7144 if (parent == null) { 7145 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 7146 + "parent"); 7147 return; 7148 } 7149 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 7150 mIPackageManager.addCrossProfileIntentFilter( 7151 filter, who.getPackageName(), callingUserId, parent.id, 0); 7152 } 7153 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 7154 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 7155 parent.id, callingUserId, 0); 7156 } 7157 } catch (RemoteException re) { 7158 // Shouldn't happen 7159 } finally { 7160 mInjector.binderRestoreCallingIdentity(id); 7161 } 7162 } 7163 } 7164 7165 @Override 7166 public void clearCrossProfileIntentFilters(ComponentName who) { 7167 Preconditions.checkNotNull(who, "ComponentName is null"); 7168 int callingUserId = UserHandle.getCallingUserId(); 7169 synchronized (this) { 7170 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7171 long id = mInjector.binderClearCallingIdentity(); 7172 try { 7173 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7174 if (parent == null) { 7175 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7176 + "parent"); 7177 return; 7178 } 7179 // Removing those that go from the managed profile to the parent. 7180 mIPackageManager.clearCrossProfileIntentFilters( 7181 callingUserId, who.getPackageName()); 7182 // And those that go from the parent to the managed profile. 7183 // If we want to support multiple managed profiles, we will have to only remove 7184 // those that have callingUserId as their target. 7185 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7186 } catch (RemoteException re) { 7187 // Shouldn't happen 7188 } finally { 7189 mInjector.binderRestoreCallingIdentity(id); 7190 } 7191 } 7192 } 7193 7194 /** 7195 * @return true if all packages in enabledPackages are either in the list 7196 * permittedList or are a system app. 7197 */ 7198 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7199 List<String> permittedList, int userIdToCheck) { 7200 long id = mInjector.binderClearCallingIdentity(); 7201 try { 7202 // If we have an enabled packages list for a managed profile the packages 7203 // we should check are installed for the parent user. 7204 UserInfo user = getUserInfo(userIdToCheck); 7205 if (user.isManagedProfile()) { 7206 userIdToCheck = user.profileGroupId; 7207 } 7208 7209 for (String enabledPackage : enabledPackages) { 7210 boolean systemService = false; 7211 try { 7212 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7213 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7214 userIdToCheck); 7215 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7216 } catch (RemoteException e) { 7217 Log.i(LOG_TAG, "Can't talk to package managed", e); 7218 } 7219 if (!systemService && !permittedList.contains(enabledPackage)) { 7220 return false; 7221 } 7222 } 7223 } finally { 7224 mInjector.binderRestoreCallingIdentity(id); 7225 } 7226 return true; 7227 } 7228 7229 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7230 // Not using AccessibilityManager.getInstance because that guesses 7231 // at the user you require based on callingUid and caches for a given 7232 // process. 7233 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7234 IAccessibilityManager service = iBinder == null 7235 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7236 return new AccessibilityManager(mContext, service, userId); 7237 } 7238 7239 @Override 7240 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7241 if (!mHasFeature) { 7242 return false; 7243 } 7244 Preconditions.checkNotNull(who, "ComponentName is null"); 7245 7246 if (packageList != null) { 7247 int userId = UserHandle.getCallingUserId(); 7248 List<AccessibilityServiceInfo> enabledServices = null; 7249 long id = mInjector.binderClearCallingIdentity(); 7250 try { 7251 UserInfo user = getUserInfo(userId); 7252 if (user.isManagedProfile()) { 7253 userId = user.profileGroupId; 7254 } 7255 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7256 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7257 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7258 } finally { 7259 mInjector.binderRestoreCallingIdentity(id); 7260 } 7261 7262 if (enabledServices != null) { 7263 List<String> enabledPackages = new ArrayList<String>(); 7264 for (AccessibilityServiceInfo service : enabledServices) { 7265 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7266 } 7267 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7268 userId)) { 7269 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7270 + "because it contains already enabled accesibility services."); 7271 return false; 7272 } 7273 } 7274 } 7275 7276 synchronized (this) { 7277 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7278 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7279 admin.permittedAccessiblityServices = packageList; 7280 saveSettingsLocked(UserHandle.getCallingUserId()); 7281 } 7282 return true; 7283 } 7284 7285 @Override 7286 public List getPermittedAccessibilityServices(ComponentName who) { 7287 if (!mHasFeature) { 7288 return null; 7289 } 7290 Preconditions.checkNotNull(who, "ComponentName is null"); 7291 7292 synchronized (this) { 7293 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7294 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7295 return admin.permittedAccessiblityServices; 7296 } 7297 } 7298 7299 @Override 7300 public List getPermittedAccessibilityServicesForUser(int userId) { 7301 if (!mHasFeature) { 7302 return null; 7303 } 7304 synchronized (this) { 7305 List<String> result = null; 7306 // If we have multiple profiles we return the intersection of the 7307 // permitted lists. This can happen in cases where we have a device 7308 // and profile owner. 7309 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7310 for (int profileId : profileIds) { 7311 // Just loop though all admins, only device or profiles 7312 // owners can have permitted lists set. 7313 DevicePolicyData policy = getUserDataUnchecked(profileId); 7314 final int N = policy.mAdminList.size(); 7315 for (int j = 0; j < N; j++) { 7316 ActiveAdmin admin = policy.mAdminList.get(j); 7317 List<String> fromAdmin = admin.permittedAccessiblityServices; 7318 if (fromAdmin != null) { 7319 if (result == null) { 7320 result = new ArrayList<>(fromAdmin); 7321 } else { 7322 result.retainAll(fromAdmin); 7323 } 7324 } 7325 } 7326 } 7327 7328 // If we have a permitted list add all system accessibility services. 7329 if (result != null) { 7330 long id = mInjector.binderClearCallingIdentity(); 7331 try { 7332 UserInfo user = getUserInfo(userId); 7333 if (user.isManagedProfile()) { 7334 userId = user.profileGroupId; 7335 } 7336 AccessibilityManager accessibilityManager = 7337 getAccessibilityManagerForUser(userId); 7338 List<AccessibilityServiceInfo> installedServices = 7339 accessibilityManager.getInstalledAccessibilityServiceList(); 7340 7341 if (installedServices != null) { 7342 for (AccessibilityServiceInfo service : installedServices) { 7343 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7344 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7345 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7346 result.add(serviceInfo.packageName); 7347 } 7348 } 7349 } 7350 } finally { 7351 mInjector.binderRestoreCallingIdentity(id); 7352 } 7353 } 7354 7355 return result; 7356 } 7357 } 7358 7359 @Override 7360 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7361 int userHandle) { 7362 if (!mHasFeature) { 7363 return true; 7364 } 7365 Preconditions.checkNotNull(who, "ComponentName is null"); 7366 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7367 if (!isCallerWithSystemUid()){ 7368 throw new SecurityException( 7369 "Only the system can query if an accessibility service is disabled by admin"); 7370 } 7371 synchronized (this) { 7372 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7373 if (admin == null) { 7374 return false; 7375 } 7376 if (admin.permittedAccessiblityServices == null) { 7377 return true; 7378 } 7379 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7380 admin.permittedAccessiblityServices, userHandle); 7381 } 7382 } 7383 7384 private boolean checkCallerIsCurrentUserOrProfile() { 7385 int callingUserId = UserHandle.getCallingUserId(); 7386 long token = mInjector.binderClearCallingIdentity(); 7387 try { 7388 UserInfo currentUser; 7389 UserInfo callingUser = getUserInfo(callingUserId); 7390 try { 7391 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7392 } catch (RemoteException e) { 7393 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7394 return false; 7395 } 7396 7397 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7398 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7399 + "of a user that isn't the foreground user."); 7400 return false; 7401 } 7402 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7403 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7404 + "of a user that isn't the foreground user."); 7405 return false; 7406 } 7407 } finally { 7408 mInjector.binderRestoreCallingIdentity(token); 7409 } 7410 return true; 7411 } 7412 7413 @Override 7414 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7415 if (!mHasFeature) { 7416 return false; 7417 } 7418 Preconditions.checkNotNull(who, "ComponentName is null"); 7419 7420 // TODO When InputMethodManager supports per user calls remove 7421 // this restriction. 7422 if (!checkCallerIsCurrentUserOrProfile()) { 7423 return false; 7424 } 7425 7426 if (packageList != null) { 7427 // InputMethodManager fetches input methods for current user. 7428 // So this can only be set when calling user is the current user 7429 // or parent is current user in case of managed profiles. 7430 InputMethodManager inputMethodManager = 7431 mContext.getSystemService(InputMethodManager.class); 7432 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7433 7434 if (enabledImes != null) { 7435 List<String> enabledPackages = new ArrayList<String>(); 7436 for (InputMethodInfo ime : enabledImes) { 7437 enabledPackages.add(ime.getPackageName()); 7438 } 7439 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7440 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7441 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7442 + "because it contains already enabled input method."); 7443 return false; 7444 } 7445 } 7446 } 7447 7448 synchronized (this) { 7449 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7450 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7451 admin.permittedInputMethods = packageList; 7452 saveSettingsLocked(UserHandle.getCallingUserId()); 7453 } 7454 return true; 7455 } 7456 7457 @Override 7458 public List getPermittedInputMethods(ComponentName who) { 7459 if (!mHasFeature) { 7460 return null; 7461 } 7462 Preconditions.checkNotNull(who, "ComponentName is null"); 7463 7464 synchronized (this) { 7465 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7466 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7467 return admin.permittedInputMethods; 7468 } 7469 } 7470 7471 @Override 7472 public List getPermittedInputMethodsForCurrentUser() { 7473 UserInfo currentUser; 7474 try { 7475 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7476 } catch (RemoteException e) { 7477 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7478 // Activity managed is dead, just allow all IMEs 7479 return null; 7480 } 7481 7482 int userId = currentUser.id; 7483 synchronized (this) { 7484 List<String> result = null; 7485 // If we have multiple profiles we return the intersection of the 7486 // permitted lists. This can happen in cases where we have a device 7487 // and profile owner. 7488 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7489 for (int profileId : profileIds) { 7490 // Just loop though all admins, only device or profiles 7491 // owners can have permitted lists set. 7492 DevicePolicyData policy = getUserDataUnchecked(profileId); 7493 final int N = policy.mAdminList.size(); 7494 for (int j = 0; j < N; j++) { 7495 ActiveAdmin admin = policy.mAdminList.get(j); 7496 List<String> fromAdmin = admin.permittedInputMethods; 7497 if (fromAdmin != null) { 7498 if (result == null) { 7499 result = new ArrayList<String>(fromAdmin); 7500 } else { 7501 result.retainAll(fromAdmin); 7502 } 7503 } 7504 } 7505 } 7506 7507 // If we have a permitted list add all system input methods. 7508 if (result != null) { 7509 InputMethodManager inputMethodManager = 7510 mContext.getSystemService(InputMethodManager.class); 7511 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7512 long id = mInjector.binderClearCallingIdentity(); 7513 try { 7514 if (imes != null) { 7515 for (InputMethodInfo ime : imes) { 7516 ServiceInfo serviceInfo = ime.getServiceInfo(); 7517 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7518 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7519 result.add(serviceInfo.packageName); 7520 } 7521 } 7522 } 7523 } finally { 7524 mInjector.binderRestoreCallingIdentity(id); 7525 } 7526 } 7527 return result; 7528 } 7529 } 7530 7531 @Override 7532 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7533 int userHandle) { 7534 if (!mHasFeature) { 7535 return true; 7536 } 7537 Preconditions.checkNotNull(who, "ComponentName is null"); 7538 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7539 if (!isCallerWithSystemUid()) { 7540 throw new SecurityException( 7541 "Only the system can query if an input method is disabled by admin"); 7542 } 7543 synchronized (this) { 7544 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7545 if (admin == null) { 7546 return false; 7547 } 7548 if (admin.permittedInputMethods == null) { 7549 return true; 7550 } 7551 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7552 admin.permittedInputMethods, userHandle); 7553 } 7554 } 7555 7556 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7557 DevicePolicyData policyData = getUserData(userHandle); 7558 if (policyData.mAdminBroadcastPending) { 7559 // Send the initialization data to profile owner and delete the data 7560 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7561 if (admin != null) { 7562 PersistableBundle initBundle = policyData.mInitBundle; 7563 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7564 initBundle == null ? null : new Bundle(initBundle), null); 7565 } 7566 policyData.mInitBundle = null; 7567 policyData.mAdminBroadcastPending = false; 7568 saveSettingsLocked(userHandle); 7569 } 7570 } 7571 7572 @Override 7573 public UserHandle createAndManageUser(ComponentName admin, String name, 7574 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7575 Preconditions.checkNotNull(admin, "admin is null"); 7576 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7577 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7578 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7579 + admin + " are not in the same package"); 7580 } 7581 // Only allow the system user to use this method 7582 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7583 throw new SecurityException("createAndManageUser was called from non-system user"); 7584 } 7585 if (!mInjector.userManagerIsSplitSystemUser() 7586 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7587 throw new IllegalArgumentException( 7588 "Ephemeral users are only supported on systems with a split system user."); 7589 } 7590 // Create user. 7591 UserHandle user = null; 7592 synchronized (this) { 7593 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7594 7595 final long id = mInjector.binderClearCallingIdentity(); 7596 try { 7597 int userInfoFlags = 0; 7598 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7599 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7600 } 7601 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7602 userInfoFlags); 7603 if (userInfo != null) { 7604 user = userInfo.getUserHandle(); 7605 } 7606 } finally { 7607 mInjector.binderRestoreCallingIdentity(id); 7608 } 7609 } 7610 if (user == null) { 7611 return null; 7612 } 7613 // Set admin. 7614 final long id = mInjector.binderClearCallingIdentity(); 7615 try { 7616 final String adminPkg = admin.getPackageName(); 7617 7618 final int userHandle = user.getIdentifier(); 7619 try { 7620 // Install the profile owner if not present. 7621 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7622 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle, 7623 PackageManager.INSTALL_REASON_POLICY); 7624 } 7625 } catch (RemoteException e) { 7626 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7627 + "removing created user", e); 7628 mUserManager.removeUser(user.getIdentifier()); 7629 return null; 7630 } 7631 7632 setActiveAdmin(profileOwner, true, userHandle); 7633 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7634 // So we store adminExtras for broadcasting when the user starts for first time. 7635 synchronized(this) { 7636 DevicePolicyData policyData = getUserData(userHandle); 7637 policyData.mInitBundle = adminExtras; 7638 policyData.mAdminBroadcastPending = true; 7639 saveSettingsLocked(userHandle); 7640 } 7641 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7642 setProfileOwner(profileOwner, ownerName, userHandle); 7643 7644 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7645 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7646 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7647 } 7648 7649 return user; 7650 } finally { 7651 mInjector.binderRestoreCallingIdentity(id); 7652 } 7653 } 7654 7655 @Override 7656 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7657 Preconditions.checkNotNull(who, "ComponentName is null"); 7658 synchronized (this) { 7659 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7660 } 7661 7662 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7663 final long id = mInjector.binderClearCallingIdentity(); 7664 try { 7665 String restriction = isManagedProfile(userHandle.getIdentifier()) 7666 ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE 7667 : UserManager.DISALLOW_REMOVE_USER; 7668 if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { 7669 Log.w(LOG_TAG, "The device owner cannot remove a user because " 7670 + restriction + " is enabled, and was not set by the device owner"); 7671 return false; 7672 } 7673 return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); 7674 } finally { 7675 mInjector.binderRestoreCallingIdentity(id); 7676 } 7677 } 7678 7679 private boolean isAdminAffectedByRestriction( 7680 ComponentName admin, String userRestriction, int userId) { 7681 switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { 7682 case UserManager.RESTRICTION_NOT_SET: 7683 return false; 7684 case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: 7685 return !isDeviceOwner(admin, userId); 7686 case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: 7687 return !isProfileOwner(admin, userId); 7688 default: 7689 return true; 7690 } 7691 } 7692 7693 @Override 7694 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7695 Preconditions.checkNotNull(who, "ComponentName is null"); 7696 synchronized (this) { 7697 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7698 7699 long id = mInjector.binderClearCallingIdentity(); 7700 try { 7701 int userId = UserHandle.USER_SYSTEM; 7702 if (userHandle != null) { 7703 userId = userHandle.getIdentifier(); 7704 } 7705 return mInjector.getIActivityManager().switchUser(userId); 7706 } catch (RemoteException e) { 7707 Log.e(LOG_TAG, "Couldn't switch user", e); 7708 return false; 7709 } finally { 7710 mInjector.binderRestoreCallingIdentity(id); 7711 } 7712 } 7713 } 7714 7715 @Override 7716 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7717 enforceCanManageApplicationRestrictions(who); 7718 7719 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7720 final long id = mInjector.binderClearCallingIdentity(); 7721 try { 7722 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7723 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7724 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7725 return bundle != null ? bundle : Bundle.EMPTY; 7726 } finally { 7727 mInjector.binderRestoreCallingIdentity(id); 7728 } 7729 } 7730 7731 @Override 7732 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7733 boolean suspended) { 7734 Preconditions.checkNotNull(who, "ComponentName is null"); 7735 int callingUserId = UserHandle.getCallingUserId(); 7736 synchronized (this) { 7737 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7738 7739 long id = mInjector.binderClearCallingIdentity(); 7740 try { 7741 return mIPackageManager.setPackagesSuspendedAsUser( 7742 packageNames, suspended, callingUserId); 7743 } catch (RemoteException re) { 7744 // Shouldn't happen. 7745 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7746 } finally { 7747 mInjector.binderRestoreCallingIdentity(id); 7748 } 7749 return packageNames; 7750 } 7751 } 7752 7753 @Override 7754 public boolean isPackageSuspended(ComponentName who, String packageName) { 7755 Preconditions.checkNotNull(who, "ComponentName is null"); 7756 int callingUserId = UserHandle.getCallingUserId(); 7757 synchronized (this) { 7758 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7759 7760 long id = mInjector.binderClearCallingIdentity(); 7761 try { 7762 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7763 } catch (RemoteException re) { 7764 // Shouldn't happen. 7765 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7766 } finally { 7767 mInjector.binderRestoreCallingIdentity(id); 7768 } 7769 return false; 7770 } 7771 } 7772 7773 @Override 7774 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7775 Preconditions.checkNotNull(who, "ComponentName is null"); 7776 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7777 return; 7778 } 7779 7780 final int userHandle = mInjector.userHandleGetCallingUserId(); 7781 synchronized (this) { 7782 final ActiveAdmin activeAdmin = 7783 getActiveAdminForCallerLocked(who, 7784 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7785 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7786 if (isDeviceOwner) { 7787 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7788 throw new SecurityException("Device owner cannot set user restriction " + key); 7789 } 7790 } else { // profile owner 7791 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7792 throw new SecurityException("Profile owner cannot set user restriction " + key); 7793 } 7794 } 7795 7796 // Save the restriction to ActiveAdmin. 7797 final Bundle restrictions = activeAdmin.ensureUserRestrictions(); 7798 if (enabledFromThisOwner) { 7799 restrictions.putBoolean(key, true); 7800 } else { 7801 restrictions.remove(key); 7802 } 7803 saveUserRestrictionsLocked(userHandle); 7804 } 7805 } 7806 7807 private void saveUserRestrictionsLocked(int userId) { 7808 saveSettingsLocked(userId); 7809 pushUserRestrictions(userId); 7810 sendChangedNotification(userId); 7811 } 7812 7813 private void pushUserRestrictions(int userId) { 7814 synchronized (this) { 7815 final boolean isDeviceOwner = mOwners.isDeviceOwnerUserId(userId); 7816 final Bundle userRestrictions; 7817 // Whether device owner enforces camera restriction. 7818 boolean disallowCameraGlobally = false; 7819 7820 if (isDeviceOwner) { 7821 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7822 if (deviceOwner == null) { 7823 return; // Shouldn't happen. 7824 } 7825 userRestrictions = deviceOwner.userRestrictions; 7826 // DO can disable camera globally. 7827 disallowCameraGlobally = deviceOwner.disableCamera; 7828 } else { 7829 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7830 userRestrictions = profileOwner != null ? profileOwner.userRestrictions : null; 7831 } 7832 7833 // Whether any admin enforces camera restriction. 7834 final int cameraRestrictionScope = 7835 getCameraRestrictionScopeLocked(userId, disallowCameraGlobally); 7836 7837 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, userRestrictions, 7838 isDeviceOwner, cameraRestrictionScope); 7839 } 7840 } 7841 7842 /** 7843 * Get the scope of camera restriction for a given user if any. 7844 */ 7845 private int getCameraRestrictionScopeLocked(int userId, boolean disallowCameraGlobally) { 7846 if (disallowCameraGlobally) { 7847 return UserManagerInternal.CAMERA_DISABLED_GLOBALLY; 7848 } else if (getCameraDisabled( 7849 /* who= */ null, userId, /* mergeDeviceOwnerRestriction= */ false)) { 7850 return UserManagerInternal.CAMERA_DISABLED_LOCALLY; 7851 } 7852 return UserManagerInternal.CAMERA_NOT_DISABLED; 7853 } 7854 7855 @Override 7856 public Bundle getUserRestrictions(ComponentName who) { 7857 if (!mHasFeature) { 7858 return null; 7859 } 7860 Preconditions.checkNotNull(who, "ComponentName is null"); 7861 synchronized (this) { 7862 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7863 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7864 return activeAdmin.userRestrictions; 7865 } 7866 } 7867 7868 @Override 7869 public boolean setApplicationHidden(ComponentName who, String packageName, 7870 boolean hidden) { 7871 Preconditions.checkNotNull(who, "ComponentName is null"); 7872 int callingUserId = UserHandle.getCallingUserId(); 7873 synchronized (this) { 7874 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7875 7876 long id = mInjector.binderClearCallingIdentity(); 7877 try { 7878 return mIPackageManager.setApplicationHiddenSettingAsUser( 7879 packageName, hidden, callingUserId); 7880 } catch (RemoteException re) { 7881 // shouldn't happen 7882 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7883 } finally { 7884 mInjector.binderRestoreCallingIdentity(id); 7885 } 7886 return false; 7887 } 7888 } 7889 7890 @Override 7891 public boolean isApplicationHidden(ComponentName who, String packageName) { 7892 Preconditions.checkNotNull(who, "ComponentName is null"); 7893 int callingUserId = UserHandle.getCallingUserId(); 7894 synchronized (this) { 7895 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7896 7897 long id = mInjector.binderClearCallingIdentity(); 7898 try { 7899 return mIPackageManager.getApplicationHiddenSettingAsUser( 7900 packageName, callingUserId); 7901 } catch (RemoteException re) { 7902 // shouldn't happen 7903 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7904 } finally { 7905 mInjector.binderRestoreCallingIdentity(id); 7906 } 7907 return false; 7908 } 7909 } 7910 7911 @Override 7912 public void enableSystemApp(ComponentName who, String packageName) { 7913 Preconditions.checkNotNull(who, "ComponentName is null"); 7914 synchronized (this) { 7915 // This API can only be called by an active device admin, 7916 // so try to retrieve it to check that the caller is one. 7917 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7918 7919 int userId = UserHandle.getCallingUserId(); 7920 long id = mInjector.binderClearCallingIdentity(); 7921 7922 try { 7923 if (VERBOSE_LOG) { 7924 Slog.v(LOG_TAG, "installing " + packageName + " for " 7925 + userId); 7926 } 7927 7928 int parentUserId = getProfileParentId(userId); 7929 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7930 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7931 } 7932 7933 // Install the app. 7934 mIPackageManager.installExistingPackageAsUser(packageName, userId, 7935 PackageManager.INSTALL_REASON_POLICY); 7936 7937 } catch (RemoteException re) { 7938 // shouldn't happen 7939 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7940 } finally { 7941 mInjector.binderRestoreCallingIdentity(id); 7942 } 7943 } 7944 } 7945 7946 @Override 7947 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7948 Preconditions.checkNotNull(who, "ComponentName is null"); 7949 synchronized (this) { 7950 // This API can only be called by an active device admin, 7951 // so try to retrieve it to check that the caller is one. 7952 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7953 7954 int userId = UserHandle.getCallingUserId(); 7955 long id = mInjector.binderClearCallingIdentity(); 7956 7957 try { 7958 int parentUserId = getProfileParentId(userId); 7959 List<ResolveInfo> activitiesToEnable = mIPackageManager 7960 .queryIntentActivities(intent, 7961 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7962 PackageManager.MATCH_DIRECT_BOOT_AWARE 7963 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7964 parentUserId) 7965 .getList(); 7966 7967 if (VERBOSE_LOG) { 7968 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7969 } 7970 int numberOfAppsInstalled = 0; 7971 if (activitiesToEnable != null) { 7972 for (ResolveInfo info : activitiesToEnable) { 7973 if (info.activityInfo != null) { 7974 String packageName = info.activityInfo.packageName; 7975 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7976 numberOfAppsInstalled++; 7977 mIPackageManager.installExistingPackageAsUser(packageName, userId, 7978 PackageManager.INSTALL_REASON_POLICY); 7979 } else { 7980 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7981 + " system app"); 7982 } 7983 } 7984 } 7985 } 7986 return numberOfAppsInstalled; 7987 } catch (RemoteException e) { 7988 // shouldn't happen 7989 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7990 return 0; 7991 } finally { 7992 mInjector.binderRestoreCallingIdentity(id); 7993 } 7994 } 7995 } 7996 7997 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7998 throws RemoteException { 7999 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 8000 userId); 8001 if (appInfo == null) { 8002 throw new IllegalArgumentException("The application " + packageName + 8003 " is not present on this device"); 8004 } 8005 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 8006 } 8007 8008 @Override 8009 public void setAccountManagementDisabled(ComponentName who, String accountType, 8010 boolean disabled) { 8011 if (!mHasFeature) { 8012 return; 8013 } 8014 Preconditions.checkNotNull(who, "ComponentName is null"); 8015 synchronized (this) { 8016 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 8017 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8018 if (disabled) { 8019 ap.accountTypesWithManagementDisabled.add(accountType); 8020 } else { 8021 ap.accountTypesWithManagementDisabled.remove(accountType); 8022 } 8023 saveSettingsLocked(UserHandle.getCallingUserId()); 8024 } 8025 } 8026 8027 @Override 8028 public String[] getAccountTypesWithManagementDisabled() { 8029 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 8030 } 8031 8032 @Override 8033 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 8034 enforceFullCrossUsersPermission(userId); 8035 if (!mHasFeature) { 8036 return null; 8037 } 8038 synchronized (this) { 8039 DevicePolicyData policy = getUserData(userId); 8040 final int N = policy.mAdminList.size(); 8041 ArraySet<String> resultSet = new ArraySet<>(); 8042 for (int i = 0; i < N; i++) { 8043 ActiveAdmin admin = policy.mAdminList.get(i); 8044 resultSet.addAll(admin.accountTypesWithManagementDisabled); 8045 } 8046 return resultSet.toArray(new String[resultSet.size()]); 8047 } 8048 } 8049 8050 @Override 8051 public void setUninstallBlocked(ComponentName who, String packageName, 8052 boolean uninstallBlocked) { 8053 Preconditions.checkNotNull(who, "ComponentName is null"); 8054 final int userId = UserHandle.getCallingUserId(); 8055 synchronized (this) { 8056 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8057 8058 long id = mInjector.binderClearCallingIdentity(); 8059 try { 8060 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 8061 } catch (RemoteException re) { 8062 // Shouldn't happen. 8063 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 8064 } finally { 8065 mInjector.binderRestoreCallingIdentity(id); 8066 } 8067 } 8068 } 8069 8070 @Override 8071 public boolean isUninstallBlocked(ComponentName who, String packageName) { 8072 // This function should return true if and only if the package is blocked by 8073 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 8074 // when the package is a system app, or when it is an active device admin. 8075 final int userId = UserHandle.getCallingUserId(); 8076 8077 synchronized (this) { 8078 if (who != null) { 8079 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8080 } 8081 8082 long id = mInjector.binderClearCallingIdentity(); 8083 try { 8084 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 8085 } catch (RemoteException re) { 8086 // Shouldn't happen. 8087 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 8088 } finally { 8089 mInjector.binderRestoreCallingIdentity(id); 8090 } 8091 } 8092 return false; 8093 } 8094 8095 @Override 8096 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 8097 if (!mHasFeature) { 8098 return; 8099 } 8100 Preconditions.checkNotNull(who, "ComponentName is null"); 8101 synchronized (this) { 8102 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8103 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8104 if (admin.disableCallerId != disabled) { 8105 admin.disableCallerId = disabled; 8106 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8107 } 8108 } 8109 } 8110 8111 @Override 8112 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 8113 if (!mHasFeature) { 8114 return false; 8115 } 8116 Preconditions.checkNotNull(who, "ComponentName is null"); 8117 synchronized (this) { 8118 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8119 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8120 return admin.disableCallerId; 8121 } 8122 } 8123 8124 @Override 8125 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 8126 enforceCrossUsersPermission(userId); 8127 synchronized (this) { 8128 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8129 return (admin != null) ? admin.disableCallerId : false; 8130 } 8131 } 8132 8133 @Override 8134 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 8135 if (!mHasFeature) { 8136 return; 8137 } 8138 Preconditions.checkNotNull(who, "ComponentName is null"); 8139 synchronized (this) { 8140 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8141 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8142 if (admin.disableContactsSearch != disabled) { 8143 admin.disableContactsSearch = disabled; 8144 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8145 } 8146 } 8147 } 8148 8149 @Override 8150 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 8151 if (!mHasFeature) { 8152 return false; 8153 } 8154 Preconditions.checkNotNull(who, "ComponentName is null"); 8155 synchronized (this) { 8156 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8157 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8158 return admin.disableContactsSearch; 8159 } 8160 } 8161 8162 @Override 8163 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 8164 enforceCrossUsersPermission(userId); 8165 synchronized (this) { 8166 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8167 return (admin != null) ? admin.disableContactsSearch : false; 8168 } 8169 } 8170 8171 @Override 8172 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 8173 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 8174 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 8175 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 8176 final int callingUserId = UserHandle.getCallingUserId(); 8177 8178 final long ident = mInjector.binderClearCallingIdentity(); 8179 try { 8180 synchronized (this) { 8181 final int managedUserId = getManagedUserId(callingUserId); 8182 if (managedUserId < 0) { 8183 return; 8184 } 8185 if (isCrossProfileQuickContactDisabled(managedUserId)) { 8186 if (VERBOSE_LOG) { 8187 Log.v(LOG_TAG, 8188 "Cross-profile contacts access disabled for user " + managedUserId); 8189 } 8190 return; 8191 } 8192 ContactsInternal.startQuickContactWithErrorToastForUser( 8193 mContext, intent, new UserHandle(managedUserId)); 8194 } 8195 } finally { 8196 mInjector.binderRestoreCallingIdentity(ident); 8197 } 8198 } 8199 8200 /** 8201 * @return true if cross-profile QuickContact is disabled 8202 */ 8203 private boolean isCrossProfileQuickContactDisabled(int userId) { 8204 return getCrossProfileCallerIdDisabledForUser(userId) 8205 && getCrossProfileContactsSearchDisabledForUser(userId); 8206 } 8207 8208 /** 8209 * @return the user ID of the managed user that is linked to the current user, if any. 8210 * Otherwise -1. 8211 */ 8212 public int getManagedUserId(int callingUserId) { 8213 if (VERBOSE_LOG) { 8214 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8215 } 8216 8217 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8218 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8219 continue; // Caller user self, or not a managed profile. Skip. 8220 } 8221 if (VERBOSE_LOG) { 8222 Log.v(LOG_TAG, "Managed user=" + ui.id); 8223 } 8224 return ui.id; 8225 } 8226 if (VERBOSE_LOG) { 8227 Log.v(LOG_TAG, "Managed user not found."); 8228 } 8229 return -1; 8230 } 8231 8232 @Override 8233 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8234 if (!mHasFeature) { 8235 return; 8236 } 8237 Preconditions.checkNotNull(who, "ComponentName is null"); 8238 synchronized (this) { 8239 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8240 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8241 if (admin.disableBluetoothContactSharing != disabled) { 8242 admin.disableBluetoothContactSharing = disabled; 8243 saveSettingsLocked(UserHandle.getCallingUserId()); 8244 } 8245 } 8246 } 8247 8248 @Override 8249 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8250 if (!mHasFeature) { 8251 return false; 8252 } 8253 Preconditions.checkNotNull(who, "ComponentName is null"); 8254 synchronized (this) { 8255 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8256 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8257 return admin.disableBluetoothContactSharing; 8258 } 8259 } 8260 8261 @Override 8262 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8263 // TODO: Should there be a check to make sure this relationship is 8264 // within a profile group? 8265 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8266 synchronized (this) { 8267 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8268 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8269 } 8270 } 8271 8272 /** 8273 * Sets which packages may enter lock task mode. 8274 * 8275 * <p>This function can only be called by the device owner or alternatively by the profile owner 8276 * in case the user is affiliated. 8277 * 8278 * @param packages The list of packages allowed to enter lock task mode. 8279 */ 8280 @Override 8281 public void setLockTaskPackages(ComponentName who, String[] packages) 8282 throws SecurityException { 8283 Preconditions.checkNotNull(who, "ComponentName is null"); 8284 8285 synchronized (this) { 8286 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8287 final int userHandle = mInjector.userHandleGetCallingUserId(); 8288 if (isUserAffiliatedWithDeviceLocked(userHandle)) { 8289 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8290 } else { 8291 throw new SecurityException("Admin " + who + 8292 " is neither the device owner or affiliated user's profile owner."); 8293 } 8294 } 8295 } 8296 8297 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8298 DevicePolicyData policy = getUserData(userHandle); 8299 policy.mLockTaskPackages = packages; 8300 8301 // Store the settings persistently. 8302 saveSettingsLocked(userHandle); 8303 updateLockTaskPackagesLocked(packages, userHandle); 8304 } 8305 8306 /** 8307 * This function returns the list of components allowed to start the task lock mode. 8308 */ 8309 @Override 8310 public String[] getLockTaskPackages(ComponentName who) { 8311 Preconditions.checkNotNull(who, "ComponentName is null"); 8312 synchronized (this) { 8313 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8314 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8315 final List<String> packages = getLockTaskPackagesLocked(userHandle); 8316 return packages.toArray(new String[packages.size()]); 8317 } 8318 } 8319 8320 private List<String> getLockTaskPackagesLocked(int userHandle) { 8321 final DevicePolicyData policy = getUserData(userHandle); 8322 return policy.mLockTaskPackages; 8323 } 8324 8325 /** 8326 * This function lets the caller know whether the given package is allowed to start the 8327 * lock task mode. 8328 * @param pkg The package to check 8329 */ 8330 @Override 8331 public boolean isLockTaskPermitted(String pkg) { 8332 // Get current user's devicepolicy 8333 int uid = mInjector.binderGetCallingUid(); 8334 int userHandle = UserHandle.getUserId(uid); 8335 DevicePolicyData policy = getUserData(userHandle); 8336 synchronized (this) { 8337 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 8338 String lockTaskPackage = policy.mLockTaskPackages.get(i); 8339 8340 // If the given package equals one of the packages stored our list, 8341 // we allow this package to start lock task mode. 8342 if (lockTaskPackage.equals(pkg)) { 8343 return true; 8344 } 8345 } 8346 } 8347 return false; 8348 } 8349 8350 @Override 8351 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8352 if (!isCallerWithSystemUid()) { 8353 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8354 } 8355 synchronized (this) { 8356 final DevicePolicyData policy = getUserData(userHandle); 8357 Bundle adminExtras = new Bundle(); 8358 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8359 for (ActiveAdmin admin : policy.mAdminList) { 8360 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8361 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8362 if (ownsDevice || ownsProfile) { 8363 if (isEnabled) { 8364 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8365 adminExtras, null); 8366 } else { 8367 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8368 } 8369 } 8370 } 8371 } 8372 } 8373 8374 @Override 8375 public void setGlobalSetting(ComponentName who, String setting, String value) { 8376 Preconditions.checkNotNull(who, "ComponentName is null"); 8377 8378 synchronized (this) { 8379 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8380 8381 // Some settings are no supported any more. However we do not want to throw a 8382 // SecurityException to avoid breaking apps. 8383 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8384 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8385 return; 8386 } 8387 8388 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8389 throw new SecurityException(String.format( 8390 "Permission denial: device owners cannot update %1$s", setting)); 8391 } 8392 8393 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8394 // ignore if it contradicts an existing policy 8395 long timeMs = getMaximumTimeToLock( 8396 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8397 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8398 return; 8399 } 8400 } 8401 8402 long id = mInjector.binderClearCallingIdentity(); 8403 try { 8404 mInjector.settingsGlobalPutString(setting, value); 8405 } finally { 8406 mInjector.binderRestoreCallingIdentity(id); 8407 } 8408 } 8409 } 8410 8411 @Override 8412 public void setSecureSetting(ComponentName who, String setting, String value) { 8413 Preconditions.checkNotNull(who, "ComponentName is null"); 8414 int callingUserId = mInjector.userHandleGetCallingUserId(); 8415 8416 synchronized (this) { 8417 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8418 8419 if (isDeviceOwner(who, callingUserId)) { 8420 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8421 throw new SecurityException(String.format( 8422 "Permission denial: Device owners cannot update %1$s", setting)); 8423 } 8424 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8425 throw new SecurityException(String.format( 8426 "Permission denial: Profile owners cannot update %1$s", setting)); 8427 } 8428 8429 long id = mInjector.binderClearCallingIdentity(); 8430 try { 8431 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8432 } finally { 8433 mInjector.binderRestoreCallingIdentity(id); 8434 } 8435 } 8436 } 8437 8438 @Override 8439 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8440 Preconditions.checkNotNull(who, "ComponentName is null"); 8441 synchronized (this) { 8442 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8443 setUserRestriction(who, UserManager.DISALLLOW_UNMUTE_DEVICE, on); 8444 } 8445 } 8446 8447 @Override 8448 public boolean isMasterVolumeMuted(ComponentName who) { 8449 Preconditions.checkNotNull(who, "ComponentName is null"); 8450 synchronized (this) { 8451 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8452 8453 AudioManager audioManager = 8454 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8455 return audioManager.isMasterMute(); 8456 } 8457 } 8458 8459 @Override 8460 public void setUserIcon(ComponentName who, Bitmap icon) { 8461 synchronized (this) { 8462 Preconditions.checkNotNull(who, "ComponentName is null"); 8463 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8464 8465 int userId = UserHandle.getCallingUserId(); 8466 long id = mInjector.binderClearCallingIdentity(); 8467 try { 8468 mUserManagerInternal.setUserIcon(userId, icon); 8469 } finally { 8470 mInjector.binderRestoreCallingIdentity(id); 8471 } 8472 } 8473 } 8474 8475 @Override 8476 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8477 Preconditions.checkNotNull(who, "ComponentName is null"); 8478 synchronized (this) { 8479 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8480 } 8481 final int userId = UserHandle.getCallingUserId(); 8482 8483 long ident = mInjector.binderClearCallingIdentity(); 8484 try { 8485 // disallow disabling the keyguard if a password is currently set 8486 if (disabled && mLockPatternUtils.isSecure(userId)) { 8487 return false; 8488 } 8489 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8490 } finally { 8491 mInjector.binderRestoreCallingIdentity(ident); 8492 } 8493 return true; 8494 } 8495 8496 @Override 8497 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8498 int userId = UserHandle.getCallingUserId(); 8499 synchronized (this) { 8500 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8501 DevicePolicyData policy = getUserData(userId); 8502 if (policy.mStatusBarDisabled != disabled) { 8503 if (!setStatusBarDisabledInternal(disabled, userId)) { 8504 return false; 8505 } 8506 policy.mStatusBarDisabled = disabled; 8507 saveSettingsLocked(userId); 8508 } 8509 } 8510 return true; 8511 } 8512 8513 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8514 long ident = mInjector.binderClearCallingIdentity(); 8515 try { 8516 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8517 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8518 if (statusBarService != null) { 8519 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8520 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8521 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8522 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8523 return true; 8524 } 8525 } catch (RemoteException e) { 8526 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8527 } finally { 8528 mInjector.binderRestoreCallingIdentity(ident); 8529 } 8530 return false; 8531 } 8532 8533 /** 8534 * We need to update the internal state of whether a user has completed setup or a 8535 * device has paired once. After that, we ignore any changes that reset the 8536 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 8537 * as we don't trust any apps that might try to reset them. 8538 * <p> 8539 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8540 * them. 8541 */ 8542 void updateUserSetupCompleteAndPaired() { 8543 List<UserInfo> users = mUserManager.getUsers(true); 8544 final int N = users.size(); 8545 for (int i = 0; i < N; i++) { 8546 int userHandle = users.get(i).id; 8547 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8548 userHandle) != 0) { 8549 DevicePolicyData policy = getUserData(userHandle); 8550 if (!policy.mUserSetupComplete) { 8551 policy.mUserSetupComplete = true; 8552 synchronized (this) { 8553 saveSettingsLocked(userHandle); 8554 } 8555 } 8556 } 8557 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 8558 userHandle) != 0) { 8559 DevicePolicyData policy = getUserData(userHandle); 8560 if (!policy.mPaired) { 8561 policy.mPaired = true; 8562 synchronized (this) { 8563 saveSettingsLocked(userHandle); 8564 } 8565 } 8566 } 8567 } 8568 } 8569 8570 private class SetupContentObserver extends ContentObserver { 8571 8572 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8573 Settings.Secure.USER_SETUP_COMPLETE); 8574 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8575 Settings.Global.DEVICE_PROVISIONED); 8576 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 8577 8578 public SetupContentObserver(Handler handler) { 8579 super(handler); 8580 } 8581 8582 void register() { 8583 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8584 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8585 if (mIsWatch) { 8586 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 8587 } 8588 } 8589 8590 @Override 8591 public void onChange(boolean selfChange, Uri uri) { 8592 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 8593 updateUserSetupCompleteAndPaired(); 8594 } else if (mDeviceProvisioned.equals(uri)) { 8595 synchronized (DevicePolicyManagerService.this) { 8596 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8597 // is delayed until device is marked as provisioned. 8598 setDeviceOwnerSystemPropertyLocked(); 8599 } 8600 } 8601 } 8602 } 8603 8604 @VisibleForTesting 8605 final class LocalService extends DevicePolicyManagerInternal { 8606 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8607 8608 @Override 8609 public List<String> getCrossProfileWidgetProviders(int profileId) { 8610 synchronized (DevicePolicyManagerService.this) { 8611 if (mOwners == null) { 8612 return Collections.emptyList(); 8613 } 8614 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8615 if (ownerComponent == null) { 8616 return Collections.emptyList(); 8617 } 8618 8619 DevicePolicyData policy = getUserDataUnchecked(profileId); 8620 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8621 8622 if (admin == null || admin.crossProfileWidgetProviders == null 8623 || admin.crossProfileWidgetProviders.isEmpty()) { 8624 return Collections.emptyList(); 8625 } 8626 8627 return admin.crossProfileWidgetProviders; 8628 } 8629 } 8630 8631 @Override 8632 public void addOnCrossProfileWidgetProvidersChangeListener( 8633 OnCrossProfileWidgetProvidersChangeListener listener) { 8634 synchronized (DevicePolicyManagerService.this) { 8635 if (mWidgetProviderListeners == null) { 8636 mWidgetProviderListeners = new ArrayList<>(); 8637 } 8638 if (!mWidgetProviderListeners.contains(listener)) { 8639 mWidgetProviderListeners.add(listener); 8640 } 8641 } 8642 } 8643 8644 @Override 8645 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8646 synchronized(DevicePolicyManagerService.this) { 8647 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8648 } 8649 } 8650 8651 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8652 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8653 synchronized (DevicePolicyManagerService.this) { 8654 listeners = new ArrayList<>(mWidgetProviderListeners); 8655 } 8656 final int listenerCount = listeners.size(); 8657 for (int i = 0; i < listenerCount; i++) { 8658 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8659 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8660 } 8661 } 8662 8663 @Override 8664 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 8665 // This method is called from AM with its lock held, so don't take the DPMS lock. 8666 // b/29242568 8667 8668 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8669 if (profileOwner != null) { 8670 return createShowAdminSupportIntent(profileOwner, userId); 8671 } 8672 8673 final Pair<Integer, ComponentName> deviceOwner = 8674 mOwners.getDeviceOwnerUserIdAndComponent(); 8675 if (deviceOwner != null && deviceOwner.first == userId) { 8676 return createShowAdminSupportIntent(deviceOwner.second, userId); 8677 } 8678 8679 // We're not specifying the device admin because there isn't one. 8680 if (useDefaultIfNoAdmin) { 8681 return createShowAdminSupportIntent(null, userId); 8682 } 8683 return null; 8684 } 8685 8686 @Override 8687 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 8688 int source; 8689 long ident = mInjector.binderClearCallingIdentity(); 8690 try { 8691 source = mUserManager.getUserRestrictionSource(userRestriction, 8692 UserHandle.of(userId)); 8693 } finally { 8694 mInjector.binderRestoreCallingIdentity(ident); 8695 } 8696 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 8697 /* 8698 * In this case, the user restriction is enforced by the system. 8699 * So we won't show an admin support intent, even if it is also 8700 * enforced by a profile/device owner. 8701 */ 8702 return null; 8703 } 8704 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 8705 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 8706 if (enforcedByDo && enforcedByPo) { 8707 // In this case, we'll show an admin support dialog that does not 8708 // specify the admin. 8709 return createShowAdminSupportIntent(null, userId); 8710 } else if (enforcedByPo) { 8711 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8712 if (profileOwner != null) { 8713 return createShowAdminSupportIntent(profileOwner, userId); 8714 } 8715 // This could happen if another thread has changed the profile owner since we called 8716 // getUserRestrictionSource 8717 return null; 8718 } else if (enforcedByDo) { 8719 final Pair<Integer, ComponentName> deviceOwner 8720 = mOwners.getDeviceOwnerUserIdAndComponent(); 8721 if (deviceOwner != null) { 8722 return createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 8723 } 8724 // This could happen if another thread has changed the device owner since we called 8725 // getUserRestrictionSource 8726 return null; 8727 } 8728 return null; 8729 } 8730 8731 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 8732 // This method is called with AMS lock held, so don't take DPMS lock 8733 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8734 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8735 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 8736 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8737 return intent; 8738 } 8739 } 8740 8741 /** 8742 * Returns true if specified admin is allowed to limit passwords and has a 8743 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 8744 */ 8745 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8746 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 8747 return false; 8748 } 8749 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8750 } 8751 8752 @Override 8753 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8754 if (policy != null && !policy.isValid()) { 8755 throw new IllegalArgumentException("Invalid system update policy."); 8756 } 8757 synchronized (this) { 8758 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8759 if (policy == null) { 8760 mOwners.clearSystemUpdatePolicy(); 8761 } else { 8762 mOwners.setSystemUpdatePolicy(policy); 8763 } 8764 mOwners.writeDeviceOwner(); 8765 } 8766 mContext.sendBroadcastAsUser( 8767 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8768 UserHandle.SYSTEM); 8769 } 8770 8771 @Override 8772 public SystemUpdatePolicy getSystemUpdatePolicy() { 8773 if (UserManager.isDeviceInDemoMode(mContext)) { 8774 // Pretending to have an automatic update policy when the device is in retail demo 8775 // mode. This will allow the device to download and install an ota without 8776 // any user interaction. 8777 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 8778 } 8779 synchronized (this) { 8780 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8781 if (policy != null && !policy.isValid()) { 8782 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8783 return null; 8784 } 8785 return policy; 8786 } 8787 } 8788 8789 /** 8790 * Checks if the caller of the method is the device owner app. 8791 * 8792 * @param callerUid UID of the caller. 8793 * @return true if the caller is the device owner app 8794 */ 8795 @VisibleForTesting 8796 boolean isCallerDeviceOwner(int callerUid) { 8797 synchronized (this) { 8798 if (!mOwners.hasDeviceOwner()) { 8799 return false; 8800 } 8801 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8802 return false; 8803 } 8804 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8805 .getPackageName(); 8806 final String[] pkgs = mInjector.getPackageManager().getPackagesForUid(callerUid); 8807 8808 for (String pkg : pkgs) { 8809 if (deviceOwnerPackageName.equals(pkg)) { 8810 return true; 8811 } 8812 } 8813 } 8814 8815 return false; 8816 } 8817 8818 @Override 8819 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8820 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8821 "Only the system update service can broadcast update information"); 8822 8823 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8824 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8825 "can broadcast update information."); 8826 return; 8827 } 8828 final Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8829 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8830 updateReceivedTime); 8831 8832 final long ident = mInjector.binderClearCallingIdentity(); 8833 try { 8834 synchronized (this) { 8835 // Broadcast to device owner first if there is one. 8836 if (mOwners.hasDeviceOwner()) { 8837 final UserHandle deviceOwnerUser = 8838 UserHandle.of(mOwners.getDeviceOwnerUserId()); 8839 intent.setComponent(mOwners.getDeviceOwnerComponent()); 8840 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8841 } 8842 } 8843 // Get running users. 8844 final int runningUserIds[]; 8845 try { 8846 runningUserIds = mInjector.getIActivityManager().getRunningUserIds(); 8847 } catch (RemoteException e) { 8848 // Shouldn't happen. 8849 Log.e(LOG_TAG, "Could not retrieve the list of running users", e); 8850 return; 8851 } 8852 // Send broadcasts to corresponding profile owners if any. 8853 for (final int userId : runningUserIds) { 8854 synchronized (this) { 8855 final ComponentName profileOwnerPackage = 8856 mOwners.getProfileOwnerComponent(userId); 8857 if (profileOwnerPackage != null) { 8858 intent.setComponent(profileOwnerPackage); 8859 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 8860 } 8861 } 8862 } 8863 } finally { 8864 mInjector.binderRestoreCallingIdentity(ident); 8865 } 8866 } 8867 8868 @Override 8869 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8870 int userId = UserHandle.getCallingUserId(); 8871 synchronized (this) { 8872 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8873 DevicePolicyData userPolicy = getUserData(userId); 8874 if (userPolicy.mPermissionPolicy != policy) { 8875 userPolicy.mPermissionPolicy = policy; 8876 saveSettingsLocked(userId); 8877 } 8878 } 8879 } 8880 8881 @Override 8882 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8883 int userId = UserHandle.getCallingUserId(); 8884 synchronized (this) { 8885 DevicePolicyData userPolicy = getUserData(userId); 8886 return userPolicy.mPermissionPolicy; 8887 } 8888 } 8889 8890 @Override 8891 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8892 String permission, int grantState) throws RemoteException { 8893 UserHandle user = mInjector.binderGetCallingUserHandle(); 8894 synchronized (this) { 8895 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8896 long ident = mInjector.binderClearCallingIdentity(); 8897 try { 8898 if (getTargetSdk(packageName, user.getIdentifier()) 8899 < android.os.Build.VERSION_CODES.M) { 8900 return false; 8901 } 8902 final PackageManager packageManager = mInjector.getPackageManager(); 8903 switch (grantState) { 8904 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8905 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 8906 permission, user.getIdentifier(), true /* override policy */); 8907 packageManager.updatePermissionFlags(permission, packageName, 8908 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8909 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8910 } break; 8911 8912 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8913 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 8914 permission, user.getIdentifier(), true /* override policy */); 8915 packageManager.updatePermissionFlags(permission, packageName, 8916 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8917 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8918 } break; 8919 8920 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8921 packageManager.updatePermissionFlags(permission, packageName, 8922 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8923 } break; 8924 } 8925 return true; 8926 } catch (SecurityException se) { 8927 return false; 8928 } finally { 8929 mInjector.binderRestoreCallingIdentity(ident); 8930 } 8931 } 8932 } 8933 8934 @Override 8935 public int getPermissionGrantState(ComponentName admin, String packageName, 8936 String permission) throws RemoteException { 8937 PackageManager packageManager = mInjector.getPackageManager(); 8938 8939 UserHandle user = mInjector.binderGetCallingUserHandle(); 8940 enforceProfileOwnerOrSystemUser(admin); 8941 synchronized (this) { 8942 long ident = mInjector.binderClearCallingIdentity(); 8943 try { 8944 int granted = mIPackageManager.checkPermission(permission, 8945 packageName, user.getIdentifier()); 8946 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8947 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8948 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8949 // Not controlled by policy 8950 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8951 } else { 8952 // Policy controlled so return result based on permission grant state 8953 return granted == PackageManager.PERMISSION_GRANTED 8954 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8955 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8956 } 8957 } finally { 8958 mInjector.binderRestoreCallingIdentity(ident); 8959 } 8960 } 8961 } 8962 8963 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8964 try { 8965 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8966 userHandle); 8967 return (pi != null) && (pi.applicationInfo.flags != 0); 8968 } catch (RemoteException re) { 8969 throw new RuntimeException("Package manager has died", re); 8970 } 8971 } 8972 8973 @Override 8974 public boolean isProvisioningAllowed(String action, String packageName) { 8975 Preconditions.checkNotNull(packageName); 8976 8977 final int callingUid = mInjector.binderGetCallingUid(); 8978 final long ident = mInjector.binderClearCallingIdentity(); 8979 try { 8980 final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( 8981 packageName, UserHandle.getUserId(callingUid)); 8982 Preconditions.checkArgument(callingUid == uidForPackage, 8983 "Caller uid doesn't match the one for the provided package."); 8984 } catch (NameNotFoundException e) { 8985 throw new IllegalArgumentException("Invalid package provided " + packageName, e); 8986 } finally { 8987 mInjector.binderRestoreCallingIdentity(ident); 8988 } 8989 8990 return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; 8991 } 8992 8993 @Override 8994 public int checkProvisioningPreCondition(String action, String packageName) { 8995 Preconditions.checkNotNull(packageName); 8996 enforceCanManageProfileAndDeviceOwners(); 8997 return checkProvisioningPreConditionSkipPermission(action, packageName); 8998 } 8999 9000 private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { 9001 if (!mHasFeature) { 9002 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 9003 } 9004 9005 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9006 if (action != null) { 9007 switch (action) { 9008 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 9009 return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); 9010 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 9011 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9012 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 9013 return checkManagedUserProvisioningPreCondition(callingUserId); 9014 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 9015 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 9016 } 9017 } 9018 throw new IllegalArgumentException("Unknown provisioning action " + action); 9019 } 9020 9021 /** 9022 * The device owner can only be set before the setup phase of the primary user has completed, 9023 * except for adb command if no accounts or additional users are present on the device. 9024 */ 9025 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 9026 int deviceOwnerUserId, boolean isAdb, boolean hasIncompatibleAccountsOrNonAdb) { 9027 if (mOwners.hasDeviceOwner()) { 9028 return CODE_HAS_DEVICE_OWNER; 9029 } 9030 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 9031 return CODE_USER_HAS_PROFILE_OWNER; 9032 } 9033 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 9034 return CODE_USER_NOT_RUNNING; 9035 } 9036 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9037 return CODE_HAS_PAIRED; 9038 } 9039 if (isAdb) { 9040 // if shell command runs after user setup completed check device status. Otherwise, OK. 9041 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9042 if (!mInjector.userManagerIsSplitSystemUser()) { 9043 if (mUserManager.getUserCount() > 1) { 9044 return CODE_NONSYSTEM_USER_EXISTS; 9045 } 9046 if (hasIncompatibleAccountsOrNonAdb) { 9047 return CODE_ACCOUNTS_NOT_EMPTY; 9048 } 9049 } else { 9050 // STOPSHIP Do proper check in split user mode 9051 } 9052 } 9053 return CODE_OK; 9054 } else { 9055 if (!mInjector.userManagerIsSplitSystemUser()) { 9056 // In non-split user mode, DO has to be user 0 9057 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 9058 return CODE_NOT_SYSTEM_USER; 9059 } 9060 // In non-split user mode, only provision DO before setup wizard completes 9061 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9062 return CODE_USER_SETUP_COMPLETED; 9063 } 9064 } else { 9065 // STOPSHIP Do proper check in split user mode 9066 } 9067 return CODE_OK; 9068 } 9069 } 9070 9071 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 9072 synchronized (this) { 9073 // hasIncompatibleAccountsOrNonAdb doesn't matter since the caller is not adb. 9074 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 9075 deviceOwnerUserId, /* isAdb= */ false, 9076 /* hasIncompatibleAccountsOrNonAdb=*/ true); 9077 } 9078 } 9079 9080 private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { 9081 if (!hasFeatureManagedUsers()) { 9082 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9083 } 9084 if (callingUserId == UserHandle.USER_SYSTEM 9085 && mInjector.userManagerIsSplitSystemUser()) { 9086 // Managed-profiles cannot be setup on the system user. 9087 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 9088 } 9089 if (getProfileOwner(callingUserId) != null) { 9090 // Managed user cannot have a managed profile. 9091 return CODE_USER_HAS_PROFILE_OWNER; 9092 } 9093 9094 final long ident = mInjector.binderClearCallingIdentity(); 9095 try { 9096 final UserHandle callingUserHandle = UserHandle.of(callingUserId); 9097 if (mUserManager.hasUserRestriction( 9098 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserHandle)) { 9099 // The DO can initiate provisioning if the restriction was set by the DO. 9100 if (!isDeviceOwnerPackage(packageName, callingUserId) 9101 || isAdminAffectedByRestriction(mOwners.getDeviceOwnerComponent(), 9102 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { 9103 // Caller is not DO or the restriction was set by the system. 9104 return CODE_ADD_MANAGED_PROFILE_DISALLOWED; 9105 } 9106 } 9107 9108 // TODO: Allow it if the caller is the DO? DO could just call removeUser() before 9109 // provisioning, so not strictly required... 9110 boolean canRemoveProfile = !mUserManager.hasUserRestriction( 9111 UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, callingUserHandle); 9112 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 9113 return CODE_CANNOT_ADD_MANAGED_PROFILE; 9114 } 9115 } finally { 9116 mInjector.binderRestoreCallingIdentity(ident); 9117 } 9118 return CODE_OK; 9119 } 9120 9121 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 9122 if (!hasFeatureManagedUsers()) { 9123 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9124 } 9125 if (!mInjector.userManagerIsSplitSystemUser()) { 9126 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 9127 return CODE_NOT_SYSTEM_USER_SPLIT; 9128 } 9129 if (callingUserId == UserHandle.USER_SYSTEM) { 9130 // System user cannot be a managed user. 9131 return CODE_SYSTEM_USER; 9132 } 9133 if (hasUserSetupCompleted(callingUserId)) { 9134 return CODE_USER_SETUP_COMPLETED; 9135 } 9136 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9137 return CODE_HAS_PAIRED; 9138 } 9139 return CODE_OK; 9140 } 9141 9142 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 9143 if (!mInjector.userManagerIsSplitSystemUser()) { 9144 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 9145 return CODE_NOT_SYSTEM_USER_SPLIT; 9146 } 9147 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9148 } 9149 9150 private boolean hasFeatureManagedUsers() { 9151 try { 9152 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 9153 } catch (RemoteException e) { 9154 return false; 9155 } 9156 } 9157 9158 @Override 9159 public String getWifiMacAddress(ComponentName admin) { 9160 // Make sure caller has DO. 9161 synchronized (this) { 9162 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9163 } 9164 9165 final long ident = mInjector.binderClearCallingIdentity(); 9166 try { 9167 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 9168 if (wifiInfo == null) { 9169 return null; 9170 } 9171 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 9172 } finally { 9173 mInjector.binderRestoreCallingIdentity(ident); 9174 } 9175 } 9176 9177 /** 9178 * Returns the target sdk version number that the given packageName was built for 9179 * in the given user. 9180 */ 9181 private int getTargetSdk(String packageName, int userId) { 9182 final ApplicationInfo ai; 9183 try { 9184 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 9185 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 9186 return targetSdkVersion; 9187 } catch (RemoteException e) { 9188 // Shouldn't happen 9189 return 0; 9190 } 9191 } 9192 9193 @Override 9194 public boolean isManagedProfile(ComponentName admin) { 9195 synchronized (this) { 9196 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9197 } 9198 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 9199 } 9200 9201 @Override 9202 public boolean isSystemOnlyUser(ComponentName admin) { 9203 synchronized (this) { 9204 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9205 } 9206 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9207 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 9208 } 9209 9210 @Override 9211 public void reboot(ComponentName admin) { 9212 Preconditions.checkNotNull(admin); 9213 // Make sure caller has DO. 9214 synchronized (this) { 9215 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9216 } 9217 long ident = mInjector.binderClearCallingIdentity(); 9218 try { 9219 // Make sure there are no ongoing calls on the device. 9220 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 9221 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 9222 } 9223 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 9224 } finally { 9225 mInjector.binderRestoreCallingIdentity(ident); 9226 } 9227 } 9228 9229 @Override 9230 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9231 if (!mHasFeature) { 9232 return; 9233 } 9234 Preconditions.checkNotNull(who, "ComponentName is null"); 9235 final int userHandle = mInjector.userHandleGetCallingUserId(); 9236 synchronized (this) { 9237 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9238 mInjector.binderGetCallingUid()); 9239 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9240 admin.shortSupportMessage = message; 9241 saveSettingsLocked(userHandle); 9242 } 9243 } 9244 } 9245 9246 @Override 9247 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9248 if (!mHasFeature) { 9249 return null; 9250 } 9251 Preconditions.checkNotNull(who, "ComponentName is null"); 9252 synchronized (this) { 9253 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9254 mInjector.binderGetCallingUid()); 9255 return admin.shortSupportMessage; 9256 } 9257 } 9258 9259 @Override 9260 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9261 if (!mHasFeature) { 9262 return; 9263 } 9264 Preconditions.checkNotNull(who, "ComponentName is null"); 9265 final int userHandle = mInjector.userHandleGetCallingUserId(); 9266 synchronized (this) { 9267 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9268 mInjector.binderGetCallingUid()); 9269 if (!TextUtils.equals(admin.longSupportMessage, message)) { 9270 admin.longSupportMessage = message; 9271 saveSettingsLocked(userHandle); 9272 } 9273 } 9274 } 9275 9276 @Override 9277 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 9278 if (!mHasFeature) { 9279 return null; 9280 } 9281 Preconditions.checkNotNull(who, "ComponentName is null"); 9282 synchronized (this) { 9283 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9284 mInjector.binderGetCallingUid()); 9285 return admin.longSupportMessage; 9286 } 9287 } 9288 9289 @Override 9290 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9291 if (!mHasFeature) { 9292 return null; 9293 } 9294 Preconditions.checkNotNull(who, "ComponentName is null"); 9295 if (!isCallerWithSystemUid()) { 9296 throw new SecurityException("Only the system can query support message for user"); 9297 } 9298 synchronized (this) { 9299 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9300 if (admin != null) { 9301 return admin.shortSupportMessage; 9302 } 9303 } 9304 return null; 9305 } 9306 9307 @Override 9308 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9309 if (!mHasFeature) { 9310 return null; 9311 } 9312 Preconditions.checkNotNull(who, "ComponentName is null"); 9313 if (!isCallerWithSystemUid()) { 9314 throw new SecurityException("Only the system can query support message for user"); 9315 } 9316 synchronized (this) { 9317 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9318 if (admin != null) { 9319 return admin.longSupportMessage; 9320 } 9321 } 9322 return null; 9323 } 9324 9325 @Override 9326 public void setOrganizationColor(@NonNull ComponentName who, int color) { 9327 if (!mHasFeature) { 9328 return; 9329 } 9330 Preconditions.checkNotNull(who, "ComponentName is null"); 9331 final int userHandle = mInjector.userHandleGetCallingUserId(); 9332 enforceManagedProfile(userHandle, "set organization color"); 9333 synchronized (this) { 9334 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9335 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9336 admin.organizationColor = color; 9337 saveSettingsLocked(userHandle); 9338 } 9339 } 9340 9341 @Override 9342 public void setOrganizationColorForUser(int color, int userId) { 9343 if (!mHasFeature) { 9344 return; 9345 } 9346 enforceFullCrossUsersPermission(userId); 9347 enforceManageUsers(); 9348 enforceManagedProfile(userId, "set organization color"); 9349 synchronized (this) { 9350 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 9351 admin.organizationColor = color; 9352 saveSettingsLocked(userId); 9353 } 9354 } 9355 9356 @Override 9357 public int getOrganizationColor(@NonNull ComponentName who) { 9358 if (!mHasFeature) { 9359 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9360 } 9361 Preconditions.checkNotNull(who, "ComponentName is null"); 9362 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 9363 synchronized (this) { 9364 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9365 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9366 return admin.organizationColor; 9367 } 9368 } 9369 9370 @Override 9371 public int getOrganizationColorForUser(int userHandle) { 9372 if (!mHasFeature) { 9373 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9374 } 9375 enforceFullCrossUsersPermission(userHandle); 9376 enforceManagedProfile(userHandle, "get organization color"); 9377 synchronized (this) { 9378 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9379 return (profileOwner != null) 9380 ? profileOwner.organizationColor 9381 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 9382 } 9383 } 9384 9385 @Override 9386 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 9387 if (!mHasFeature) { 9388 return; 9389 } 9390 Preconditions.checkNotNull(who, "ComponentName is null"); 9391 final int userHandle = mInjector.userHandleGetCallingUserId(); 9392 9393 synchronized (this) { 9394 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9395 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9396 if (!TextUtils.equals(admin.organizationName, text)) { 9397 admin.organizationName = (text == null || text.length() == 0) 9398 ? null : text.toString(); 9399 saveSettingsLocked(userHandle); 9400 } 9401 } 9402 } 9403 9404 @Override 9405 public CharSequence getOrganizationName(@NonNull ComponentName who) { 9406 if (!mHasFeature) { 9407 return null; 9408 } 9409 Preconditions.checkNotNull(who, "ComponentName is null"); 9410 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 9411 synchronized(this) { 9412 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9413 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9414 return admin.organizationName; 9415 } 9416 } 9417 9418 @Override 9419 public CharSequence getDeviceOwnerOrganizationName() { 9420 if (!mHasFeature) { 9421 return null; 9422 } 9423 enforceDeviceOwnerOrManageUsers(); 9424 synchronized(this) { 9425 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 9426 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 9427 } 9428 } 9429 9430 @Override 9431 public CharSequence getOrganizationNameForUser(int userHandle) { 9432 if (!mHasFeature) { 9433 return null; 9434 } 9435 enforceFullCrossUsersPermission(userHandle); 9436 enforceManagedProfile(userHandle, "get organization name"); 9437 synchronized (this) { 9438 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9439 return (profileOwner != null) 9440 ? profileOwner.organizationName 9441 : null; 9442 } 9443 } 9444 9445 @Override 9446 public void setAffiliationIds(ComponentName admin, List<String> ids) { 9447 if (!mHasFeature) { 9448 return; 9449 } 9450 9451 Preconditions.checkNotNull(admin); 9452 Preconditions.checkCollectionElementsNotNull(ids, "ids"); 9453 9454 final Set<String> affiliationIds = new ArraySet<String>(ids); 9455 Preconditions.checkArgument( 9456 !affiliationIds.contains(""), "ids must not contain empty strings"); 9457 9458 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9459 synchronized (this) { 9460 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9461 getUserData(callingUserId).mAffiliationIds = affiliationIds; 9462 saveSettingsLocked(callingUserId); 9463 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 9464 // Affiliation ids specified by the device owner are additionally stored in 9465 // UserHandle.USER_SYSTEM's DevicePolicyData. 9466 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 9467 saveSettingsLocked(UserHandle.USER_SYSTEM); 9468 } 9469 9470 // Affiliation status for any user, not just the calling user, might have changed. 9471 // The device owner user will still be affiliated after changing its affiliation ids, 9472 // but as a result of that other users might become affiliated or un-affiliated. 9473 maybePauseDeviceWideLoggingLocked(); 9474 maybeResumeDeviceWideLoggingLocked(); 9475 } 9476 } 9477 9478 @Override 9479 public List<String> getAffiliationIds(ComponentName admin) { 9480 if (!mHasFeature) { 9481 return Collections.emptyList(); 9482 } 9483 9484 Preconditions.checkNotNull(admin); 9485 synchronized (this) { 9486 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9487 return new ArrayList<String>( 9488 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 9489 } 9490 } 9491 9492 @Override 9493 public boolean isAffiliatedUser() { 9494 if (!mHasFeature) { 9495 return false; 9496 } 9497 9498 synchronized (this) { 9499 return isUserAffiliatedWithDeviceLocked(mInjector.userHandleGetCallingUserId()); 9500 } 9501 } 9502 9503 private boolean isUserAffiliatedWithDeviceLocked(int userId) { 9504 if (!mOwners.hasDeviceOwner()) { 9505 return false; 9506 } 9507 if (userId == mOwners.getDeviceOwnerUserId()) { 9508 // The user that the DO is installed on is always affiliated with the device. 9509 return true; 9510 } 9511 if (userId == UserHandle.USER_SYSTEM) { 9512 // The system user is always affiliated in a DO device, even if the DO is set on a 9513 // different user. This could be the case if the DO is set in the primary user 9514 // of a split user device. 9515 return true; 9516 } 9517 final ComponentName profileOwner = getProfileOwner(userId); 9518 if (profileOwner == null) { 9519 return false; 9520 } 9521 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 9522 final Set<String> deviceAffiliationIds = 9523 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 9524 for (String id : userAffiliationIds) { 9525 if (deviceAffiliationIds.contains(id)) { 9526 return true; 9527 } 9528 } 9529 return false; 9530 } 9531 9532 private boolean areAllUsersAffiliatedWithDeviceLocked() { 9533 final long ident = mInjector.binderClearCallingIdentity(); 9534 try { 9535 final List<UserInfo> userInfos = mUserManager.getUsers(); 9536 for (int i = 0; i < userInfos.size(); i++) { 9537 int userId = userInfos.get(i).id; 9538 if (!isUserAffiliatedWithDeviceLocked(userId)) { 9539 Slog.d(LOG_TAG, "User id " + userId + " not affiliated."); 9540 return false; 9541 } 9542 } 9543 } finally { 9544 mInjector.binderRestoreCallingIdentity(ident); 9545 } 9546 9547 return true; 9548 } 9549 9550 @Override 9551 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 9552 if (!mHasFeature) { 9553 return; 9554 } 9555 Preconditions.checkNotNull(admin); 9556 9557 synchronized (this) { 9558 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9559 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 9560 return; 9561 } 9562 mInjector.securityLogSetLoggingEnabledProperty(enabled); 9563 if (enabled) { 9564 mSecurityLogMonitor.start(); 9565 maybePauseDeviceWideLoggingLocked(); 9566 } else { 9567 mSecurityLogMonitor.stop(); 9568 } 9569 } 9570 } 9571 9572 @Override 9573 public boolean isSecurityLoggingEnabled(ComponentName admin) { 9574 if (!mHasFeature) { 9575 return false; 9576 } 9577 9578 Preconditions.checkNotNull(admin); 9579 synchronized (this) { 9580 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9581 return mInjector.securityLogGetLoggingEnabledProperty(); 9582 } 9583 } 9584 9585 private synchronized void recordSecurityLogRetrievalTime() { 9586 final long currentTime = System.currentTimeMillis(); 9587 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 9588 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 9589 policyData.mLastSecurityLogRetrievalTime = currentTime; 9590 saveSettingsLocked(UserHandle.USER_SYSTEM); 9591 } 9592 } 9593 9594 @Override 9595 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 9596 if (!mHasFeature) { 9597 return null; 9598 } 9599 9600 Preconditions.checkNotNull(admin); 9601 ensureDeviceOwnerAndAllUsersAffiliated(admin); 9602 9603 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs) 9604 || !mInjector.securityLogGetLoggingEnabledProperty()) { 9605 return null; 9606 } 9607 9608 recordSecurityLogRetrievalTime(); 9609 9610 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 9611 try { 9612 SecurityLog.readPreviousEvents(output); 9613 return new ParceledListSlice<SecurityEvent>(output); 9614 } catch (IOException e) { 9615 Slog.w(LOG_TAG, "Fail to read previous events" , e); 9616 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 9617 } 9618 } 9619 9620 @Override 9621 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 9622 if (!mHasFeature) { 9623 return null; 9624 } 9625 9626 Preconditions.checkNotNull(admin); 9627 ensureDeviceOwnerAndAllUsersAffiliated(admin); 9628 9629 if (!mInjector.securityLogGetLoggingEnabledProperty()) { 9630 return null; 9631 } 9632 9633 recordSecurityLogRetrievalTime(); 9634 9635 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 9636 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 9637 } 9638 9639 private void enforceCanManageDeviceAdmin() { 9640 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 9641 null); 9642 } 9643 9644 private void enforceCanManageProfileAndDeviceOwners() { 9645 mContext.enforceCallingOrSelfPermission( 9646 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 9647 } 9648 9649 private void enforceCallerSystemUserHandle() { 9650 final int callingUid = mInjector.binderGetCallingUid(); 9651 final int userId = UserHandle.getUserId(callingUid); 9652 if (userId != UserHandle.USER_SYSTEM) { 9653 throw new SecurityException("Caller has to be in user 0"); 9654 } 9655 } 9656 9657 @Override 9658 public boolean isUninstallInQueue(final String packageName) { 9659 enforceCanManageDeviceAdmin(); 9660 final int userId = mInjector.userHandleGetCallingUserId(); 9661 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9662 synchronized (this) { 9663 return mPackagesToRemove.contains(packageUserPair); 9664 } 9665 } 9666 9667 @Override 9668 public void uninstallPackageWithActiveAdmins(final String packageName) { 9669 enforceCanManageDeviceAdmin(); 9670 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 9671 9672 final int userId = mInjector.userHandleGetCallingUserId(); 9673 9674 enforceUserUnlocked(userId); 9675 9676 final ComponentName profileOwner = getProfileOwner(userId); 9677 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 9678 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 9679 } 9680 9681 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 9682 if (getDeviceOwnerUserId() == userId && deviceOwner != null 9683 && packageName.equals(deviceOwner.getPackageName())) { 9684 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 9685 } 9686 9687 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9688 synchronized (this) { 9689 mPackagesToRemove.add(packageUserPair); 9690 } 9691 9692 // All active admins on the user. 9693 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 9694 9695 // Active admins in the target package. 9696 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 9697 if (allActiveAdmins != null) { 9698 for (ComponentName activeAdmin : allActiveAdmins) { 9699 if (packageName.equals(activeAdmin.getPackageName())) { 9700 packageActiveAdmins.add(activeAdmin); 9701 removeActiveAdmin(activeAdmin, userId); 9702 } 9703 } 9704 } 9705 if (packageActiveAdmins.size() == 0) { 9706 startUninstallIntent(packageName, userId); 9707 } else { 9708 mHandler.postDelayed(new Runnable() { 9709 @Override 9710 public void run() { 9711 for (ComponentName activeAdmin : packageActiveAdmins) { 9712 removeAdminArtifacts(activeAdmin, userId); 9713 } 9714 startUninstallIntent(packageName, userId); 9715 } 9716 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 9717 } 9718 } 9719 9720 @Override 9721 public boolean isDeviceProvisioned() { 9722 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 9723 } 9724 9725 private void removePackageIfRequired(final String packageName, final int userId) { 9726 if (!packageHasActiveAdmins(packageName, userId)) { 9727 // Will not do anything if uninstall was not requested or was already started. 9728 startUninstallIntent(packageName, userId); 9729 } 9730 } 9731 9732 private void startUninstallIntent(final String packageName, final int userId) { 9733 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9734 synchronized (this) { 9735 if (!mPackagesToRemove.contains(packageUserPair)) { 9736 // Do nothing if uninstall was not requested or was already started. 9737 return; 9738 } 9739 mPackagesToRemove.remove(packageUserPair); 9740 } 9741 try { 9742 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 9743 // Package does not exist. Nothing to do. 9744 return; 9745 } 9746 } catch (RemoteException re) { 9747 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 9748 } 9749 9750 try { // force stop the package before uninstalling 9751 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 9752 } catch (RemoteException re) { 9753 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 9754 } 9755 final Uri packageURI = Uri.parse("package:" + packageName); 9756 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9757 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9758 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9759 } 9760 9761 /** 9762 * Removes the admin from the policy. Ideally called after the admin's 9763 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9764 * 9765 * @param adminReceiver The admin to remove 9766 * @param userHandle The user for which this admin has to be removed. 9767 */ 9768 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9769 synchronized (this) { 9770 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9771 if (admin == null) { 9772 return; 9773 } 9774 final DevicePolicyData policy = getUserData(userHandle); 9775 final boolean doProxyCleanup = admin.info.usesPolicy( 9776 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9777 policy.mAdminList.remove(admin); 9778 policy.mAdminMap.remove(adminReceiver); 9779 validatePasswordOwnerLocked(policy); 9780 if (doProxyCleanup) { 9781 resetGlobalProxyLocked(policy); 9782 } 9783 saveSettingsLocked(userHandle); 9784 updateMaximumTimeToLockLocked(userHandle); 9785 policy.mRemovingAdmins.remove(adminReceiver); 9786 9787 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 9788 } 9789 // The removed admin might have disabled camera, so update user 9790 // restrictions. 9791 pushUserRestrictions(userHandle); 9792 } 9793 9794 @Override 9795 public void setDeviceProvisioningConfigApplied() { 9796 enforceManageUsers(); 9797 synchronized (this) { 9798 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9799 policy.mDeviceProvisioningConfigApplied = true; 9800 saveSettingsLocked(UserHandle.USER_SYSTEM); 9801 } 9802 } 9803 9804 @Override 9805 public boolean isDeviceProvisioningConfigApplied() { 9806 enforceManageUsers(); 9807 synchronized (this) { 9808 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9809 return policy.mDeviceProvisioningConfigApplied; 9810 } 9811 } 9812 9813 /** 9814 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 9815 * 9816 * It's added for testing only. Please use this API carefully if it's used by other system app 9817 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 9818 * apps. 9819 */ 9820 @Override 9821 public void forceUpdateUserSetupComplete() { 9822 enforceCanManageProfileAndDeviceOwners(); 9823 enforceCallerSystemUserHandle(); 9824 // no effect if it's called from user build 9825 if (!mInjector.isBuildDebuggable()) { 9826 return; 9827 } 9828 final int userId = UserHandle.USER_SYSTEM; 9829 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 9830 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 9831 DevicePolicyData policy = getUserData(userId); 9832 policy.mUserSetupComplete = isUserCompleted; 9833 synchronized (this) { 9834 saveSettingsLocked(userId); 9835 } 9836 } 9837 9838 // TODO(b/22388012): When backup is available for secondary users and profiles, consider 9839 // whether there are any privacy/security implications of enabling the backup service here 9840 // if there are other users or profiles unmanaged or managed by a different entity (i.e. not 9841 // affiliated). 9842 @Override 9843 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 9844 if (!mHasFeature) { 9845 return; 9846 } 9847 Preconditions.checkNotNull(admin); 9848 synchronized (this) { 9849 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9850 } 9851 9852 final long ident = mInjector.binderClearCallingIdentity(); 9853 try { 9854 IBackupManager ibm = mInjector.getIBackupManager(); 9855 if (ibm != null) { 9856 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 9857 } 9858 } catch (RemoteException e) { 9859 throw new IllegalStateException( 9860 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 9861 } finally { 9862 mInjector.binderRestoreCallingIdentity(ident); 9863 } 9864 } 9865 9866 @Override 9867 public boolean isBackupServiceEnabled(ComponentName admin) { 9868 Preconditions.checkNotNull(admin); 9869 if (!mHasFeature) { 9870 return true; 9871 } 9872 synchronized (this) { 9873 try { 9874 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9875 IBackupManager ibm = mInjector.getIBackupManager(); 9876 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 9877 } catch (RemoteException e) { 9878 throw new IllegalStateException("Failed requesting backup service state.", e); 9879 } 9880 } 9881 } 9882 9883 @Override 9884 public boolean bindDeviceAdminServiceAsUser( 9885 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 9886 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 9887 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 9888 if (!mHasFeature) { 9889 return false; 9890 } 9891 Preconditions.checkNotNull(admin); 9892 Preconditions.checkNotNull(caller); 9893 Preconditions.checkNotNull(serviceIntent); 9894 Preconditions.checkArgument( 9895 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 9896 "Service intent must be explicit (with a package name or component): " 9897 + serviceIntent); 9898 Preconditions.checkNotNull(connection); 9899 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 9900 "target user id must be different from the calling user id"); 9901 9902 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 9903 throw new SecurityException("Not allowed to bind to target user id"); 9904 } 9905 9906 final String targetPackage; 9907 synchronized (this) { 9908 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 9909 } 9910 9911 final long callingIdentity = mInjector.binderClearCallingIdentity(); 9912 try { 9913 // Validate and sanitize the incoming service intent. 9914 final Intent sanitizedIntent = 9915 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 9916 if (sanitizedIntent == null) { 9917 // Fail, cannot lookup the target service. 9918 return false; 9919 } 9920 // Ask ActivityManager to bind it. Notice that we are binding the service with the 9921 // caller app instead of DevicePolicyManagerService. 9922 return mInjector.getIActivityManager().bindService( 9923 caller, activtiyToken, serviceIntent, 9924 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 9925 connection, flags, mContext.getOpPackageName(), 9926 targetUserId) != 0; 9927 } catch (RemoteException ex) { 9928 // Same process, should not happen. 9929 } finally { 9930 mInjector.binderRestoreCallingIdentity(callingIdentity); 9931 } 9932 9933 // Failed to bind. 9934 return false; 9935 } 9936 9937 @Override 9938 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 9939 if (!mHasFeature) { 9940 return Collections.emptyList(); 9941 } 9942 Preconditions.checkNotNull(admin); 9943 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 9944 9945 synchronized (this) { 9946 ActiveAdmin callingOwner = getActiveAdminForCallerLocked( 9947 admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9948 9949 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9950 final boolean isCallerDeviceOwner = isDeviceOwner(callingOwner); 9951 final boolean isCallerManagedProfile = isManagedProfile(callingUserId); 9952 if ((!isCallerDeviceOwner && !isCallerManagedProfile) 9953 || !isUserAffiliatedWithDeviceLocked(callingUserId)) { 9954 return targetUsers; 9955 } 9956 9957 final long callingIdentity = mInjector.binderClearCallingIdentity(); 9958 try { 9959 String callingOwnerPackage = callingOwner.info.getComponent().getPackageName(); 9960 for (int userId : mUserManager.getProfileIdsWithDisabled(callingUserId)) { 9961 if (userId == callingUserId) { 9962 continue; 9963 } 9964 9965 // We only allow the device owner and a managed profile owner to bind to each 9966 // other. 9967 if ((isCallerManagedProfile && userId == mOwners.getDeviceOwnerUserId()) 9968 || (isCallerDeviceOwner && isManagedProfile(userId))) { 9969 String targetOwnerPackage = getOwnerPackageNameForUserLocked(userId); 9970 9971 // Both must be the same package and be affiliated in order to bind. 9972 if (callingOwnerPackage.equals(targetOwnerPackage) 9973 && isUserAffiliatedWithDeviceLocked(userId)) { 9974 targetUsers.add(UserHandle.of(userId)); 9975 } 9976 } 9977 } 9978 } finally { 9979 mInjector.binderRestoreCallingIdentity(callingIdentity); 9980 } 9981 } 9982 9983 return targetUsers; 9984 } 9985 9986 /** 9987 * Return true if a given user has any accounts that'll prevent installing a device or profile 9988 * owner {@code owner}. 9989 * - If the user has no accounts, then return false. 9990 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 9991 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 9992 * ..._DISALLOWED, return true. 9993 * - Otherwise return false. 9994 * 9995 * If the caller is *not* ADB, it also returns true. The returned value shouldn't be used 9996 * when the caller is not ADB. 9997 * 9998 * DO NOT CALL IT WITH THE DPMS LOCK HELD. 9999 */ 10000 private boolean hasIncompatibleAccountsOrNonAdbNoLock( 10001 int userId, @Nullable ComponentName owner) { 10002 if (!isAdb()) { 10003 return true; 10004 } 10005 wtfIfInLock(); 10006 10007 final long token = mInjector.binderClearCallingIdentity(); 10008 try { 10009 final AccountManager am = AccountManager.get(mContext); 10010 final Account accounts[] = am.getAccountsAsUser(userId); 10011 if (accounts.length == 0) { 10012 return false; 10013 } 10014 synchronized (this) { 10015 if (owner == null || !isAdminTestOnlyLocked(owner, userId)) { 10016 Log.w(LOG_TAG, 10017 "Non test-only owner can't be installed with existing accounts."); 10018 return true; 10019 } 10020 } 10021 10022 final String[] feature_allow = 10023 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 10024 final String[] feature_disallow = 10025 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 10026 10027 boolean compatible = true; 10028 for (Account account : accounts) { 10029 if (hasAccountFeatures(am, account, feature_disallow)) { 10030 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 10031 compatible = false; 10032 break; 10033 } 10034 if (!hasAccountFeatures(am, account, feature_allow)) { 10035 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 10036 compatible = false; 10037 break; 10038 } 10039 } 10040 if (compatible) { 10041 Log.w(LOG_TAG, "All accounts are compatible"); 10042 } else { 10043 Log.e(LOG_TAG, "Found incompatible accounts"); 10044 } 10045 return !compatible; 10046 } finally { 10047 mInjector.binderRestoreCallingIdentity(token); 10048 } 10049 } 10050 10051 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 10052 try { 10053 return am.hasFeatures(account, features, null, null).getResult(); 10054 } catch (Exception e) { 10055 Log.w(LOG_TAG, "Failed to get account feature", e); 10056 return false; 10057 } 10058 } 10059 10060 private boolean isAdb() { 10061 final int callingUid = mInjector.binderGetCallingUid(); 10062 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 10063 } 10064 10065 @Override 10066 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 10067 if (!mHasFeature) { 10068 return; 10069 } 10070 Preconditions.checkNotNull(admin); 10071 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10072 10073 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 10074 // already in the requested state 10075 return; 10076 } 10077 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10078 deviceOwner.isNetworkLoggingEnabled = enabled; 10079 if (!enabled) { 10080 deviceOwner.numNetworkLoggingNotifications = 0; 10081 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10082 } 10083 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 10084 10085 setNetworkLoggingActiveInternal(enabled); 10086 } 10087 10088 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 10089 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10090 try { 10091 if (active) { 10092 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 10093 if (!mNetworkLogger.startNetworkLogging()) { 10094 mNetworkLogger = null; 10095 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 10096 + " service not being available yet."); 10097 } 10098 maybePauseDeviceWideLoggingLocked(); 10099 sendNetworkLoggingNotificationLocked(); 10100 } else { 10101 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 10102 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 10103 + " service not being available yet."); 10104 } 10105 mNetworkLogger = null; 10106 mInjector.getNotificationManager().cancel(NETWORK_LOGGING_NOTIFICATION_ID); 10107 } 10108 } finally { 10109 mInjector.binderRestoreCallingIdentity(callingIdentity); 10110 } 10111 } 10112 10113 /** Pauses security and network logging if there are unaffiliated users on the device */ 10114 private void maybePauseDeviceWideLoggingLocked() { 10115 if (!areAllUsersAffiliatedWithDeviceLocked()) { 10116 Slog.i(LOG_TAG, "There are unaffiliated users, security and network logging will be " 10117 + "paused if enabled."); 10118 mSecurityLogMonitor.pause(); 10119 if (mNetworkLogger != null) { 10120 mNetworkLogger.pause(); 10121 } 10122 } 10123 } 10124 10125 /** Resumes security and network logging (if they are enabled) if all users are affiliated */ 10126 private void maybeResumeDeviceWideLoggingLocked() { 10127 if (areAllUsersAffiliatedWithDeviceLocked()) { 10128 final long ident = mInjector.binderClearCallingIdentity(); 10129 try { 10130 mSecurityLogMonitor.resume(); 10131 if (mNetworkLogger != null) { 10132 mNetworkLogger.resume(); 10133 } 10134 } finally { 10135 mInjector.binderRestoreCallingIdentity(ident); 10136 } 10137 } 10138 } 10139 10140 /** Deletes any security and network logs that might have been collected so far */ 10141 private void discardDeviceWideLogsLocked() { 10142 mSecurityLogMonitor.discardLogs(); 10143 if (mNetworkLogger != null) { 10144 mNetworkLogger.discardLogs(); 10145 } 10146 // TODO: We should discard pre-boot security logs here too, as otherwise those 10147 // logs (which might contain data from the user just removed) will be 10148 // available after next boot. 10149 } 10150 10151 @Override 10152 public boolean isNetworkLoggingEnabled(ComponentName admin) { 10153 if (!mHasFeature) { 10154 return false; 10155 } 10156 synchronized (this) { 10157 enforceDeviceOwnerOrManageUsers(); 10158 return isNetworkLoggingEnabledInternalLocked(); 10159 } 10160 } 10161 10162 private boolean isNetworkLoggingEnabledInternalLocked() { 10163 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10164 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 10165 } 10166 10167 /* 10168 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 10169 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 10170 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 10171 * 10172 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 10173 */ 10174 @Override 10175 public List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, long batchToken) { 10176 if (!mHasFeature) { 10177 return null; 10178 } 10179 Preconditions.checkNotNull(admin); 10180 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10181 10182 synchronized (this) { 10183 if (mNetworkLogger == null 10184 || !isNetworkLoggingEnabledInternalLocked()) { 10185 return null; 10186 } 10187 10188 final long currentTime = System.currentTimeMillis(); 10189 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10190 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 10191 policyData.mLastNetworkLogsRetrievalTime = currentTime; 10192 saveSettingsLocked(UserHandle.USER_SYSTEM); 10193 } 10194 return mNetworkLogger.retrieveLogs(batchToken); 10195 } 10196 } 10197 10198 private void sendNetworkLoggingNotificationLocked() { 10199 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10200 if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { 10201 return; 10202 } 10203 if (deviceOwner.numNetworkLoggingNotifications >= 10204 ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10205 return; 10206 } 10207 final long now = System.currentTimeMillis(); 10208 if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { 10209 return; 10210 } 10211 deviceOwner.numNetworkLoggingNotifications++; 10212 if (deviceOwner.numNetworkLoggingNotifications 10213 >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10214 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10215 } else { 10216 deviceOwner.lastNetworkLoggingNotificationTimeMs = now; 10217 } 10218 final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); 10219 intent.setPackage("com.android.systemui"); 10220 final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, 10221 UserHandle.CURRENT); 10222 Notification notification = new Notification.Builder(mContext) 10223 .setSmallIcon(R.drawable.ic_qs_network_logging) 10224 .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) 10225 .setContentText(mContext.getString(R.string.network_logging_notification_text)) 10226 .setTicker(mContext.getString(R.string.network_logging_notification_title)) 10227 .setShowWhen(true) 10228 .setContentIntent(pendingIntent) 10229 .build(); 10230 mInjector.getNotificationManager().notify(NETWORK_LOGGING_NOTIFICATION_ID, notification); 10231 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 10232 } 10233 10234 /** 10235 * Return the package name of owner in a given user. 10236 */ 10237 private String getOwnerPackageNameForUserLocked(int userId) { 10238 return mOwners.getDeviceOwnerUserId() == userId 10239 ? mOwners.getDeviceOwnerPackageName() 10240 : mOwners.getProfileOwnerPackage(userId); 10241 } 10242 10243 /** 10244 * @param rawIntent Original service intent specified by caller. It must be explicit. 10245 * @param expectedPackageName The expected package name of the resolved service. 10246 * @return Intent that have component explicitly set. {@code null} if no service is resolved 10247 * with the given intent. 10248 * @throws SecurityException if the intent is resolved to an invalid service. 10249 */ 10250 private Intent createCrossUserServiceIntent( 10251 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 10252 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 10253 ResolveInfo info = mIPackageManager.resolveService( 10254 rawIntent, 10255 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10256 0, // flags 10257 targetUserId); 10258 if (info == null || info.serviceInfo == null) { 10259 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 10260 + " or user " + targetUserId + " is not running"); 10261 return null; 10262 } 10263 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 10264 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 10265 } 10266 if (info.serviceInfo.exported) { 10267 throw new SecurityException("The service must be unexported"); 10268 } 10269 // It is the system server to bind the service, it would be extremely dangerous if it 10270 // can be exploited to bind any service. Set the component explicitly to make sure we 10271 // do not bind anything accidentally. 10272 rawIntent.setComponent(info.serviceInfo.getComponentName()); 10273 return rawIntent; 10274 } 10275 10276 @Override 10277 public long getLastSecurityLogRetrievalTime() { 10278 enforceDeviceOwnerOrManageUsers(); 10279 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 10280 } 10281 10282 @Override 10283 public long getLastBugReportRequestTime() { 10284 enforceDeviceOwnerOrManageUsers(); 10285 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 10286 } 10287 10288 @Override 10289 public long getLastNetworkLogRetrievalTime() { 10290 enforceDeviceOwnerOrManageUsers(); 10291 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 10292 } 10293} 10294