DevicePolicyManagerService.java revision 2dbf9ae67a972e83f248eab06c583ff988da7422
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.CODE_ACCOUNTS_NOT_EMPTY; 21import static android.app.admin.DevicePolicyManager.CODE_ADD_MANAGED_PROFILE_DISALLOWED; 22import static android.app.admin.DevicePolicyManager.CODE_CANNOT_ADD_MANAGED_PROFILE; 23import static android.app.admin.DevicePolicyManager.CODE_DEVICE_ADMIN_NOT_SUPPORTED; 24import static android.app.admin.DevicePolicyManager.CODE_HAS_DEVICE_OWNER; 25import static android.app.admin.DevicePolicyManager.CODE_HAS_PAIRED; 26import static android.app.admin.DevicePolicyManager.CODE_MANAGED_USERS_NOT_SUPPORTED; 27import static android.app.admin.DevicePolicyManager.CODE_NONSYSTEM_USER_EXISTS; 28import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER; 29import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER_SPLIT; 30import static android.app.admin.DevicePolicyManager.CODE_OK; 31import static android.app.admin.DevicePolicyManager.CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 32import static android.app.admin.DevicePolicyManager.CODE_SYSTEM_USER; 33import static android.app.admin.DevicePolicyManager.CODE_USER_HAS_PROFILE_OWNER; 34import static android.app.admin.DevicePolicyManager.CODE_USER_NOT_RUNNING; 35import static android.app.admin.DevicePolicyManager.CODE_USER_SETUP_COMPLETED; 36import static android.app.admin.DevicePolicyManager.DELEGATION_APP_RESTRICTIONS; 37import static android.app.admin.DevicePolicyManager.DELEGATION_BLOCK_UNINSTALL; 38import static android.app.admin.DevicePolicyManager.DELEGATION_CERT_INSTALL; 39import static android.app.admin.DevicePolicyManager.DELEGATION_ENABLE_SYSTEM_APP; 40import static android.app.admin.DevicePolicyManager.DELEGATION_KEEP_UNINSTALLED_PACKAGES; 41import static android.app.admin.DevicePolicyManager.DELEGATION_PACKAGE_ACCESS; 42import static android.app.admin.DevicePolicyManager.DELEGATION_PERMISSION_GRANT; 43import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 44import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 45import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 46import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 47 48import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_ENTRY_POINT_ADB; 49import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 50import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 51import static org.xmlpull.v1.XmlPullParser.END_TAG; 52import static org.xmlpull.v1.XmlPullParser.TEXT; 53 54import android.Manifest.permission; 55import android.accessibilityservice.AccessibilityServiceInfo; 56import android.accounts.Account; 57import android.accounts.AccountManager; 58import android.annotation.NonNull; 59import android.annotation.Nullable; 60import android.annotation.UserIdInt; 61import android.app.Activity; 62import android.app.ActivityManager; 63import android.app.AlarmManager; 64import android.app.AppGlobals; 65import android.app.IActivityManager; 66import android.app.IApplicationThread; 67import android.app.IServiceConnection; 68import android.app.Notification; 69import android.app.NotificationManager; 70import android.app.PendingIntent; 71import android.app.StatusBarManager; 72import android.app.admin.DeviceAdminInfo; 73import android.app.admin.DeviceAdminReceiver; 74import android.app.admin.DevicePolicyManager; 75import android.app.admin.DevicePolicyManagerInternal; 76import android.app.admin.IDevicePolicyManager; 77import android.app.admin.NetworkEvent; 78import android.app.admin.PasswordMetrics; 79import android.app.admin.SystemUpdateInfo; 80import android.app.admin.SecurityLog; 81import android.app.admin.SecurityLog.SecurityEvent; 82import android.app.admin.SystemUpdatePolicy; 83import android.app.backup.IBackupManager; 84import android.app.trust.TrustManager; 85import android.content.BroadcastReceiver; 86import android.content.ComponentName; 87import android.content.Context; 88import android.content.Intent; 89import android.content.IntentFilter; 90import android.content.pm.ActivityInfo; 91import android.content.pm.ApplicationInfo; 92import android.content.pm.IPackageManager; 93import android.content.pm.PackageInfo; 94import android.content.pm.PackageManager; 95import android.content.pm.PackageManager.NameNotFoundException; 96import android.content.pm.PackageManagerInternal; 97import android.content.pm.ParceledListSlice; 98import android.content.pm.ResolveInfo; 99import android.content.pm.ServiceInfo; 100import android.content.pm.UserInfo; 101import android.database.ContentObserver; 102import android.graphics.Bitmap; 103import android.graphics.Color; 104import android.media.AudioManager; 105import android.media.IAudioService; 106import android.net.ConnectivityManager; 107import android.net.IIpConnectivityMetrics; 108import android.net.ProxyInfo; 109import android.net.Uri; 110import android.net.metrics.IpConnectivityLog; 111import android.net.wifi.WifiInfo; 112import android.net.wifi.WifiManager; 113import android.os.AsyncTask; 114import android.os.Binder; 115import android.os.Build; 116import android.os.Bundle; 117import android.os.Environment; 118import android.os.FileUtils; 119import android.os.Handler; 120import android.os.IBinder; 121import android.os.Looper; 122import android.os.ParcelFileDescriptor; 123import android.os.PersistableBundle; 124import android.os.PowerManager; 125import android.os.PowerManagerInternal; 126import android.os.Process; 127import android.os.RecoverySystem; 128import android.os.RemoteCallback; 129import android.os.RemoteException; 130import android.os.ServiceManager; 131import android.os.SystemClock; 132import android.os.SystemProperties; 133import android.os.UserHandle; 134import android.os.UserManager; 135import android.os.UserManagerInternal; 136import android.os.storage.StorageManager; 137import android.provider.ContactsContract.QuickContact; 138import android.provider.ContactsInternal; 139import android.provider.Settings; 140import android.security.Credentials; 141import android.security.IKeyChainAliasCallback; 142import android.security.IKeyChainService; 143import android.security.KeyChain; 144import android.security.KeyChain.KeyChainConnection; 145import android.service.persistentdata.PersistentDataBlockManager; 146import android.telephony.TelephonyManager; 147import android.text.TextUtils; 148import android.util.ArrayMap; 149import android.util.ArraySet; 150import android.util.Log; 151import android.util.Pair; 152import android.util.Slog; 153import android.util.SparseArray; 154import android.util.Xml; 155import android.view.IWindowManager; 156import android.view.accessibility.AccessibilityManager; 157import android.view.accessibility.IAccessibilityManager; 158import android.view.inputmethod.InputMethodInfo; 159import android.view.inputmethod.InputMethodManager; 160 161import com.android.internal.R; 162import com.android.internal.annotations.VisibleForTesting; 163import com.android.internal.logging.MetricsLogger; 164import com.android.internal.statusbar.IStatusBarService; 165import com.android.internal.util.FastXmlSerializer; 166import com.android.internal.util.JournaledFile; 167import com.android.internal.util.ParcelableString; 168import com.android.internal.util.Preconditions; 169import com.android.internal.util.XmlUtils; 170import com.android.internal.widget.LockPatternUtils; 171import com.android.server.LocalServices; 172import com.android.server.SystemService; 173import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 174import com.android.server.pm.UserRestrictionsUtils; 175import com.google.android.collect.Sets; 176 177import org.xmlpull.v1.XmlPullParser; 178import org.xmlpull.v1.XmlPullParserException; 179import org.xmlpull.v1.XmlSerializer; 180 181import java.io.ByteArrayInputStream; 182import java.io.File; 183import java.io.FileDescriptor; 184import java.io.FileInputStream; 185import java.io.FileNotFoundException; 186import java.io.FileOutputStream; 187import java.io.IOException; 188import java.io.PrintWriter; 189import java.nio.charset.StandardCharsets; 190import java.security.cert.CertificateException; 191import java.security.cert.CertificateFactory; 192import java.security.cert.X509Certificate; 193import java.text.DateFormat; 194import java.util.ArrayList; 195import java.util.Arrays; 196import java.util.Collection; 197import java.util.Collections; 198import java.util.Date; 199import java.util.List; 200import java.util.Map.Entry; 201import java.util.Set; 202import java.util.concurrent.TimeUnit; 203import java.util.concurrent.atomic.AtomicBoolean; 204 205/** 206 * Implementation of the device policy APIs. 207 */ 208public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 209 210 private static final String LOG_TAG = "DevicePolicyManager"; 211 212 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 213 214 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 215 216 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 217 218 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 219 220 private static final String TAG_STATUS_BAR = "statusbar"; 221 222 private static final String ATTR_DISABLED = "disabled"; 223 224 private static final String ATTR_NAME = "name"; 225 226 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 227 "do-not-ask-credentials-on-boot"; 228 229 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 230 231 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 232 233 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 234 235 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 236 237 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 238 239 private static final String ATTR_ID = "id"; 240 241 private static final String ATTR_VALUE = "value"; 242 243 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 244 245 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 246 247 private static final long MS_PER_DAY = TimeUnit.DAYS.toMillis(1); 248 249 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 250 251 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 252 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 253 254 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 255 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 256 private static final int NETWORK_LOGGING_NOTIFICATION_ID = 1002; 257 258 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 259 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 260 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 261 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 262 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 263 "device-provisioning-config-applied"; 264 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 265 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 266 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 267 = "application-restrictions-manager"; 268 269 // Comprehensive list of delegations. 270 private static final String DELEGATIONS[] = { 271 DELEGATION_CERT_INSTALL, 272 DELEGATION_APP_RESTRICTIONS, 273 DELEGATION_BLOCK_UNINSTALL, 274 DELEGATION_ENABLE_SYSTEM_APP, 275 DELEGATION_KEEP_UNINSTALLED_PACKAGES, 276 DELEGATION_PACKAGE_ACCESS, 277 DELEGATION_PERMISSION_GRANT 278 }; 279 280 /** 281 * System property whose value is either "true" or "false", indicating whether 282 * device owner is present. 283 */ 284 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 285 286 private static final int STATUS_BAR_DISABLE_MASK = 287 StatusBarManager.DISABLE_EXPAND | 288 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 289 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 290 StatusBarManager.DISABLE_SEARCH; 291 292 private static final int STATUS_BAR_DISABLE2_MASK = 293 StatusBarManager.DISABLE2_QUICK_SETTINGS; 294 295 private static final Set<String> SECURE_SETTINGS_WHITELIST; 296 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 297 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 298 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 299 static { 300 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 301 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 302 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 303 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 304 305 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 306 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 307 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 308 309 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 310 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 311 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 312 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 313 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 314 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 315 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 316 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 317 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 318 319 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 320 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 321 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 322 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 323 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 324 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 325 } 326 327 /** 328 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 329 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 330 * instance. 331 */ 332 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 333 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 334 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 335 336 /** 337 * Keyguard features that when set on a profile affect the profile content or challenge only. 338 * These cannot be set on the managed profile's parent DPM instance 339 */ 340 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 341 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 342 343 /** Keyguard features that are allowed to be set on a managed profile */ 344 private static final int PROFILE_KEYGUARD_FEATURES = 345 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 346 347 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 348 349 /** 350 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 351 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 352 */ 353 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = TimeUnit.HOURS.toMillis(1); 354 355 /** 356 * Strings logged with {@link 357 * com.android.internal.logging.nano.MetricsProto.MetricsEvent#PROVISIONING_ENTRY_POINT_ADB}. 358 */ 359 private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; 360 private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; 361 362 final Context mContext; 363 final Injector mInjector; 364 final IPackageManager mIPackageManager; 365 final UserManager mUserManager; 366 final UserManagerInternal mUserManagerInternal; 367 final TelephonyManager mTelephonyManager; 368 private final LockPatternUtils mLockPatternUtils; 369 370 /** 371 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 372 * is requested for user u. 373 */ 374 private final Set<Pair<String, Integer>> mPackagesToRemove = 375 new ArraySet<Pair<String, Integer>>(); 376 377 final LocalService mLocalService; 378 379 // Stores and loads state on device and profile owners. 380 @VisibleForTesting 381 final Owners mOwners; 382 383 private final Binder mToken = new Binder(); 384 385 /** 386 * Whether or not device admin feature is supported. If it isn't return defaults for all 387 * public methods. 388 */ 389 boolean mHasFeature; 390 391 /** 392 * Whether or not this device is a watch. 393 */ 394 boolean mIsWatch; 395 396 private final SecurityLogMonitor mSecurityLogMonitor; 397 private NetworkLogger mNetworkLogger; 398 399 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 400 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 401 402 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 403 @Override 404 public void run() { 405 if(mRemoteBugreportServiceIsActive.get()) { 406 onBugreportFailed(); 407 } 408 } 409 }; 410 411 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 412 413 @Override 414 public void onReceive(Context context, Intent intent) { 415 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 416 && mRemoteBugreportServiceIsActive.get()) { 417 onBugreportFinished(intent); 418 } 419 } 420 }; 421 422 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 423 424 @Override 425 public void onReceive(Context context, Intent intent) { 426 String action = intent.getAction(); 427 mInjector.getNotificationManager().cancel(LOG_TAG, 428 RemoteBugreportUtils.NOTIFICATION_ID); 429 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 430 onBugreportSharingAccepted(); 431 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 432 onBugreportSharingDeclined(); 433 } 434 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 435 } 436 }; 437 438 public static final class Lifecycle extends SystemService { 439 private DevicePolicyManagerService mService; 440 441 public Lifecycle(Context context) { 442 super(context); 443 mService = new DevicePolicyManagerService(context); 444 } 445 446 @Override 447 public void onStart() { 448 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 449 } 450 451 @Override 452 public void onBootPhase(int phase) { 453 mService.systemReady(phase); 454 } 455 456 @Override 457 public void onStartUser(int userHandle) { 458 mService.onStartUser(userHandle); 459 } 460 } 461 462 public static class DevicePolicyData { 463 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 464 int mFailedPasswordAttempts = 0; 465 466 int mUserHandle; 467 int mPasswordOwner = -1; 468 long mLastMaximumTimeToLock = -1; 469 boolean mUserSetupComplete = false; 470 boolean mPaired = false; 471 int mUserProvisioningState; 472 int mPermissionPolicy; 473 474 boolean mDeviceProvisioningConfigApplied = false; 475 476 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 477 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 478 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 479 480 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 481 482 // This is the list of component allowed to start lock task mode. 483 List<String> mLockTaskPackages = new ArrayList<>(); 484 485 boolean mStatusBarDisabled = false; 486 487 ComponentName mRestrictionsProvider; 488 489 // Map of delegate package to delegation scopes 490 final ArrayMap<String, List<String>> mDelegationMap = new ArrayMap<>(); 491 492 boolean doNotAskCredentialsOnBoot = false; 493 494 Set<String> mAffiliationIds = new ArraySet<>(); 495 496 long mLastSecurityLogRetrievalTime = -1; 497 498 long mLastBugReportRequestTime = -1; 499 500 long mLastNetworkLogsRetrievalTime = -1; 501 502 // Used for initialization of users created by createAndManageUsers. 503 boolean mAdminBroadcastPending = false; 504 PersistableBundle mInitBundle = null; 505 506 public DevicePolicyData(int userHandle) { 507 mUserHandle = userHandle; 508 } 509 } 510 511 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 512 513 final Handler mHandler; 514 515 BroadcastReceiver mReceiver = new BroadcastReceiver() { 516 @Override 517 public void onReceive(Context context, Intent intent) { 518 final String action = intent.getAction(); 519 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 520 getSendingUserId()); 521 522 /* 523 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 524 * however it's too early in the boot process to register with IIpConnectivityMetrics 525 * to listen for events. 526 */ 527 if (Intent.ACTION_USER_STARTED.equals(action) 528 && userHandle == mOwners.getDeviceOwnerUserId()) { 529 synchronized (DevicePolicyManagerService.this) { 530 if (isNetworkLoggingEnabledInternalLocked()) { 531 setNetworkLoggingActiveInternal(true); 532 } 533 } 534 } 535 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 536 && userHandle == mOwners.getDeviceOwnerUserId() 537 && getDeviceOwnerRemoteBugreportUri() != null) { 538 IntentFilter filterConsent = new IntentFilter(); 539 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 540 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 541 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 542 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 543 RemoteBugreportUtils.NOTIFICATION_ID, 544 RemoteBugreportUtils.buildNotification(mContext, 545 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 546 UserHandle.ALL); 547 } 548 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 549 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 550 if (VERBOSE_LOG) { 551 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 552 + action + " for user " + userHandle); 553 } 554 mHandler.post(new Runnable() { 555 @Override 556 public void run() { 557 handlePasswordExpirationNotification(userHandle); 558 } 559 }); 560 } 561 if (Intent.ACTION_USER_UNLOCKED.equals(action) 562 || Intent.ACTION_USER_STARTED.equals(action) 563 || KeyChain.ACTION_TRUST_STORE_CHANGED.equals(action)) { 564 if (!StorageManager.inCryptKeeperBounce()) { 565 new MonitoringCertNotificationTask().execute( 566 intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL)); 567 } 568 } 569 if (Intent.ACTION_USER_ADDED.equals(action)) { 570 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); 571 synchronized (DevicePolicyManagerService.this) { 572 // It might take a while for the user to become affiliated. Make security 573 // and network logging unavailable in the meantime. 574 maybePauseDeviceWideLoggingLocked(); 575 } 576 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 577 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); 578 synchronized (DevicePolicyManagerService.this) { 579 // Check whether the user is affiliated, *before* removing its data. 580 boolean isRemovedUserAffiliated = isUserAffiliatedWithDeviceLocked(userHandle); 581 removeUserData(userHandle); 582 if (!isRemovedUserAffiliated) { 583 // We discard the logs when unaffiliated users are deleted (so that the 584 // device owner cannot retrieve data about that user after it's gone). 585 discardDeviceWideLogsLocked(); 586 // Resume logging if all remaining users are affiliated. 587 maybeResumeDeviceWideLoggingLocked(); 588 } 589 } 590 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 591 synchronized (DevicePolicyManagerService.this) { 592 // Reset the policy data 593 mUserData.remove(userHandle); 594 sendAdminEnabledBroadcastLocked(userHandle); 595 } 596 handlePackagesChanged(null /* check all admins */, userHandle); 597 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 598 handlePackagesChanged(null /* check all admins */, userHandle); 599 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 600 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 601 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 602 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 603 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 604 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 605 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 606 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 607 clearWipeProfileNotification(); 608 } 609 } 610 611 private void sendUserAddedOrRemovedCommand(String action, int userHandle) { 612 synchronized (DevicePolicyManagerService.this) { 613 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 614 if (deviceOwner != null) { 615 Bundle extras = new Bundle(); 616 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 617 sendAdminCommandLocked(deviceOwner, action, extras, null); 618 } 619 } 620 } 621 }; 622 623 static class ActiveAdmin { 624 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 625 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 626 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 627 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 628 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 629 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 630 = "disable-bt-contacts-sharing"; 631 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 632 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 633 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 634 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 635 private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; 636 private static final String TAG_ACCOUNT_TYPE = "account-type"; 637 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 638 = "permitted-accessiblity-services"; 639 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 640 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 641 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 642 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 643 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 644 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 645 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 646 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 647 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 648 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 649 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 650 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 651 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 652 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 653 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 654 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 655 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 656 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 657 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 658 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 659 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 660 private static final String ATTR_VALUE = "value"; 661 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 662 private static final String TAG_POLICIES = "policies"; 663 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 664 "cross-profile-widget-providers"; 665 private static final String TAG_PROVIDER = "provider"; 666 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 667 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 668 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 669 private static final String TAG_DEFAULT_ENABLED_USER_RESTRICTIONS = 670 "default-enabled-user-restrictions"; 671 private static final String TAG_RESTRICTION = "restriction"; 672 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 673 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 674 private static final String TAG_PARENT_ADMIN = "parent-admin"; 675 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 676 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 677 private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification"; 678 private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications"; 679 680 final DeviceAdminInfo info; 681 682 683 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 684 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 685 686 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 687 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 688 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 689 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 690 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 691 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 692 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 693 @NonNull 694 PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( 695 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, 696 DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, 697 DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, 698 DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); 699 700 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 701 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 702 703 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 704 705 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 706 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 707 708 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 709 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 710 711 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 712 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 713 714 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 715 716 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 717 718 boolean encryptionRequested = false; 719 boolean testOnlyAdmin = false; 720 boolean disableCamera = false; 721 boolean disableCallerId = false; 722 boolean disableContactsSearch = false; 723 boolean disableBluetoothContactSharing = true; 724 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 725 boolean requireAutoTime = false; // Can only be set by a device owner. 726 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 727 boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. 728 729 // one notification after enabling + 3 more after reboots 730 static final int DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN = 4; 731 int numNetworkLoggingNotifications = 0; 732 long lastNetworkLoggingNotificationTimeMs = 0; // Time in milliseconds since epoch 733 734 ActiveAdmin parentAdmin; 735 final boolean isParent; 736 737 static class TrustAgentInfo { 738 public PersistableBundle options; 739 TrustAgentInfo(PersistableBundle bundle) { 740 options = bundle; 741 } 742 } 743 744 final Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 745 746 // The list of permitted accessibility services package namesas set by a profile 747 // or device owner. Null means all accessibility services are allowed, empty means 748 // none except system services are allowed. 749 List<String> permittedAccessiblityServices; 750 751 // The list of permitted input methods package names as set by a profile or device owner. 752 // Null means all input methods are allowed, empty means none except system imes are 753 // allowed. 754 List<String> permittedInputMethods; 755 756 // List of package names to keep cached. 757 List<String> keepUninstalledPackages; 758 759 // TODO: review implementation decisions with frameworks team 760 boolean specifiesGlobalProxy = false; 761 String globalProxySpec = null; 762 String globalProxyExclusionList = null; 763 764 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 765 766 List<String> crossProfileWidgetProviders; 767 768 Bundle userRestrictions; 769 770 // User restrictions that have already been enabled by default for this admin (either when 771 // setting the device or profile owner, or during a system update if one of those "enabled 772 // by default" restrictions is newly added). 773 final Set<String> defaultEnabledRestrictionsAlreadySet = new ArraySet<>(); 774 775 // Support text provided by the admin to display to the user. 776 CharSequence shortSupportMessage = null; 777 CharSequence longSupportMessage = null; 778 779 // Background color of confirm credentials screen. Default: teal. 780 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 781 int organizationColor = DEF_ORGANIZATION_COLOR; 782 783 // Default title of confirm credentials screen 784 String organizationName = null; 785 786 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 787 info = _info; 788 isParent = parent; 789 } 790 791 ActiveAdmin getParentActiveAdmin() { 792 Preconditions.checkState(!isParent); 793 794 if (parentAdmin == null) { 795 parentAdmin = new ActiveAdmin(info, /* parent */ true); 796 } 797 return parentAdmin; 798 } 799 800 boolean hasParentActiveAdmin() { 801 return parentAdmin != null; 802 } 803 804 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 805 806 public UserHandle getUserHandle() { 807 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 808 } 809 810 void writeToXml(XmlSerializer out) 811 throws IllegalArgumentException, IllegalStateException, IOException { 812 out.startTag(null, TAG_POLICIES); 813 info.writePoliciesToXml(out); 814 out.endTag(null, TAG_POLICIES); 815 if (minimumPasswordMetrics.quality 816 != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 817 out.startTag(null, TAG_PASSWORD_QUALITY); 818 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); 819 out.endTag(null, TAG_PASSWORD_QUALITY); 820 if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { 821 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 822 out.attribute( 823 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); 824 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 825 } 826 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 827 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 828 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 829 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 830 } 831 if (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 832 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 833 out.attribute( 834 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); 835 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 836 } 837 if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 838 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 839 out.attribute( 840 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); 841 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 842 } 843 if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { 844 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 845 out.attribute( 846 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); 847 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 848 } 849 if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 850 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 851 out.attribute( 852 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); 853 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 854 } 855 if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 856 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 857 out.attribute( 858 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); 859 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 860 } 861 if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 862 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 863 out.attribute( 864 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); 865 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 866 } 867 } 868 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 869 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 870 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 871 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 872 } 873 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 874 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 875 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 876 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 877 } 878 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 879 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 880 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 881 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 882 } 883 if (specifiesGlobalProxy) { 884 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 885 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 886 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 887 if (globalProxySpec != null) { 888 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 889 out.attribute(null, ATTR_VALUE, globalProxySpec); 890 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 891 } 892 if (globalProxyExclusionList != null) { 893 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 894 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 895 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 896 } 897 } 898 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 899 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 900 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 901 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 902 } 903 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 904 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 905 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 906 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 907 } 908 if (encryptionRequested) { 909 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 910 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 911 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 912 } 913 if (testOnlyAdmin) { 914 out.startTag(null, TAG_TEST_ONLY_ADMIN); 915 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 916 out.endTag(null, TAG_TEST_ONLY_ADMIN); 917 } 918 if (disableCamera) { 919 out.startTag(null, TAG_DISABLE_CAMERA); 920 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 921 out.endTag(null, TAG_DISABLE_CAMERA); 922 } 923 if (disableCallerId) { 924 out.startTag(null, TAG_DISABLE_CALLER_ID); 925 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 926 out.endTag(null, TAG_DISABLE_CALLER_ID); 927 } 928 if (disableContactsSearch) { 929 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 930 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 931 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 932 } 933 if (!disableBluetoothContactSharing) { 934 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 935 out.attribute(null, ATTR_VALUE, 936 Boolean.toString(disableBluetoothContactSharing)); 937 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 938 } 939 if (disableScreenCapture) { 940 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 941 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 942 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 943 } 944 if (requireAutoTime) { 945 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 946 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 947 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 948 } 949 if (forceEphemeralUsers) { 950 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 951 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 952 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 953 } 954 if (isNetworkLoggingEnabled) { 955 out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 956 out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); 957 out.attribute(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS, 958 Integer.toString(numNetworkLoggingNotifications)); 959 out.attribute(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION, 960 Long.toString(lastNetworkLoggingNotificationTimeMs)); 961 out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 962 } 963 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 964 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 965 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 966 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 967 } 968 if (!accountTypesWithManagementDisabled.isEmpty()) { 969 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 970 writeAttributeValuesToXml( 971 out, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 972 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 973 } 974 if (!trustAgentInfos.isEmpty()) { 975 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 976 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 977 for (Entry<String, TrustAgentInfo> entry : set) { 978 TrustAgentInfo trustAgentInfo = entry.getValue(); 979 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 980 out.attribute(null, ATTR_VALUE, entry.getKey()); 981 if (trustAgentInfo.options != null) { 982 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 983 try { 984 trustAgentInfo.options.saveToXml(out); 985 } catch (XmlPullParserException e) { 986 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 987 } 988 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 989 } 990 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 991 } 992 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 993 } 994 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 995 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 996 writeAttributeValuesToXml(out, TAG_PROVIDER, crossProfileWidgetProviders); 997 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 998 } 999 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 1000 permittedAccessiblityServices); 1001 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 1002 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 1003 if (hasUserRestrictions()) { 1004 UserRestrictionsUtils.writeRestrictions( 1005 out, userRestrictions, TAG_USER_RESTRICTIONS); 1006 } 1007 if (!defaultEnabledRestrictionsAlreadySet.isEmpty()) { 1008 out.startTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1009 writeAttributeValuesToXml( 1010 out, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1011 out.endTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1012 } 1013 if (!TextUtils.isEmpty(shortSupportMessage)) { 1014 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1015 out.text(shortSupportMessage.toString()); 1016 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1017 } 1018 if (!TextUtils.isEmpty(longSupportMessage)) { 1019 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 1020 out.text(longSupportMessage.toString()); 1021 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 1022 } 1023 if (parentAdmin != null) { 1024 out.startTag(null, TAG_PARENT_ADMIN); 1025 parentAdmin.writeToXml(out); 1026 out.endTag(null, TAG_PARENT_ADMIN); 1027 } 1028 if (organizationColor != DEF_ORGANIZATION_COLOR) { 1029 out.startTag(null, TAG_ORGANIZATION_COLOR); 1030 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 1031 out.endTag(null, TAG_ORGANIZATION_COLOR); 1032 } 1033 if (organizationName != null) { 1034 out.startTag(null, TAG_ORGANIZATION_NAME); 1035 out.text(organizationName); 1036 out.endTag(null, TAG_ORGANIZATION_NAME); 1037 } 1038 } 1039 1040 void writePackageListToXml(XmlSerializer out, String outerTag, 1041 List<String> packageList) 1042 throws IllegalArgumentException, IllegalStateException, IOException { 1043 if (packageList == null) { 1044 return; 1045 } 1046 1047 out.startTag(null, outerTag); 1048 writeAttributeValuesToXml(out, TAG_PACKAGE_LIST_ITEM, packageList); 1049 out.endTag(null, outerTag); 1050 } 1051 1052 void writeAttributeValuesToXml(XmlSerializer out, String tag, 1053 @NonNull Collection<String> values) throws IOException { 1054 for (String value : values) { 1055 out.startTag(null, tag); 1056 out.attribute(null, ATTR_VALUE, value); 1057 out.endTag(null, tag); 1058 } 1059 } 1060 1061 void readFromXml(XmlPullParser parser) 1062 throws XmlPullParserException, IOException { 1063 int outerDepth = parser.getDepth(); 1064 int type; 1065 while ((type=parser.next()) != END_DOCUMENT 1066 && (type != END_TAG || parser.getDepth() > outerDepth)) { 1067 if (type == END_TAG || type == TEXT) { 1068 continue; 1069 } 1070 String tag = parser.getName(); 1071 if (TAG_POLICIES.equals(tag)) { 1072 info.readPoliciesFromXml(parser); 1073 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 1074 minimumPasswordMetrics.quality = Integer.parseInt( 1075 parser.getAttributeValue(null, ATTR_VALUE)); 1076 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 1077 minimumPasswordMetrics.length = Integer.parseInt( 1078 parser.getAttributeValue(null, ATTR_VALUE)); 1079 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 1080 passwordHistoryLength = Integer.parseInt( 1081 parser.getAttributeValue(null, ATTR_VALUE)); 1082 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 1083 minimumPasswordMetrics.upperCase = Integer.parseInt( 1084 parser.getAttributeValue(null, ATTR_VALUE)); 1085 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 1086 minimumPasswordMetrics.lowerCase = Integer.parseInt( 1087 parser.getAttributeValue(null, ATTR_VALUE)); 1088 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 1089 minimumPasswordMetrics.letters = Integer.parseInt( 1090 parser.getAttributeValue(null, ATTR_VALUE)); 1091 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 1092 minimumPasswordMetrics.numeric = Integer.parseInt( 1093 parser.getAttributeValue(null, ATTR_VALUE)); 1094 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 1095 minimumPasswordMetrics.symbols = Integer.parseInt( 1096 parser.getAttributeValue(null, ATTR_VALUE)); 1097 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 1098 minimumPasswordMetrics.nonLetter = Integer.parseInt( 1099 parser.getAttributeValue(null, ATTR_VALUE)); 1100 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 1101 maximumTimeToUnlock = Long.parseLong( 1102 parser.getAttributeValue(null, ATTR_VALUE)); 1103 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 1104 strongAuthUnlockTimeout = Long.parseLong( 1105 parser.getAttributeValue(null, ATTR_VALUE)); 1106 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 1107 maximumFailedPasswordsForWipe = Integer.parseInt( 1108 parser.getAttributeValue(null, ATTR_VALUE)); 1109 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 1110 specifiesGlobalProxy = Boolean.parseBoolean( 1111 parser.getAttributeValue(null, ATTR_VALUE)); 1112 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1113 globalProxySpec = 1114 parser.getAttributeValue(null, ATTR_VALUE); 1115 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1116 globalProxyExclusionList = 1117 parser.getAttributeValue(null, ATTR_VALUE); 1118 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1119 passwordExpirationTimeout = Long.parseLong( 1120 parser.getAttributeValue(null, ATTR_VALUE)); 1121 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1122 passwordExpirationDate = Long.parseLong( 1123 parser.getAttributeValue(null, ATTR_VALUE)); 1124 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1125 encryptionRequested = Boolean.parseBoolean( 1126 parser.getAttributeValue(null, ATTR_VALUE)); 1127 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1128 testOnlyAdmin = Boolean.parseBoolean( 1129 parser.getAttributeValue(null, ATTR_VALUE)); 1130 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1131 disableCamera = Boolean.parseBoolean( 1132 parser.getAttributeValue(null, ATTR_VALUE)); 1133 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1134 disableCallerId = Boolean.parseBoolean( 1135 parser.getAttributeValue(null, ATTR_VALUE)); 1136 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1137 disableContactsSearch = Boolean.parseBoolean( 1138 parser.getAttributeValue(null, ATTR_VALUE)); 1139 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1140 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1141 .getAttributeValue(null, ATTR_VALUE)); 1142 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1143 disableScreenCapture = Boolean.parseBoolean( 1144 parser.getAttributeValue(null, ATTR_VALUE)); 1145 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1146 requireAutoTime = Boolean.parseBoolean( 1147 parser.getAttributeValue(null, ATTR_VALUE)); 1148 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1149 forceEphemeralUsers = Boolean.parseBoolean( 1150 parser.getAttributeValue(null, ATTR_VALUE)); 1151 } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { 1152 isNetworkLoggingEnabled = Boolean.parseBoolean( 1153 parser.getAttributeValue(null, ATTR_VALUE)); 1154 lastNetworkLoggingNotificationTimeMs = Long.parseLong( 1155 parser.getAttributeValue(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION)); 1156 numNetworkLoggingNotifications = Integer.parseInt( 1157 parser.getAttributeValue(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS)); 1158 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1159 disabledKeyguardFeatures = Integer.parseInt( 1160 parser.getAttributeValue(null, ATTR_VALUE)); 1161 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1162 readAttributeValues( 1163 parser, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1164 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1165 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1166 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1167 crossProfileWidgetProviders = new ArrayList<>(); 1168 readAttributeValues(parser, TAG_PROVIDER, crossProfileWidgetProviders); 1169 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1170 permittedAccessiblityServices = readPackageList(parser, tag); 1171 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1172 permittedInputMethods = readPackageList(parser, tag); 1173 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1174 keepUninstalledPackages = readPackageList(parser, tag); 1175 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1176 userRestrictions = UserRestrictionsUtils.readRestrictions(parser); 1177 } else if (TAG_DEFAULT_ENABLED_USER_RESTRICTIONS.equals(tag)) { 1178 readAttributeValues( 1179 parser, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1180 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1181 type = parser.next(); 1182 if (type == XmlPullParser.TEXT) { 1183 shortSupportMessage = parser.getText(); 1184 } else { 1185 Log.w(LOG_TAG, "Missing text when loading short support message"); 1186 } 1187 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1188 type = parser.next(); 1189 if (type == XmlPullParser.TEXT) { 1190 longSupportMessage = parser.getText(); 1191 } else { 1192 Log.w(LOG_TAG, "Missing text when loading long support message"); 1193 } 1194 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1195 Preconditions.checkState(!isParent); 1196 1197 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1198 parentAdmin.readFromXml(parser); 1199 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1200 organizationColor = Integer.parseInt( 1201 parser.getAttributeValue(null, ATTR_VALUE)); 1202 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1203 type = parser.next(); 1204 if (type == XmlPullParser.TEXT) { 1205 organizationName = parser.getText(); 1206 } else { 1207 Log.w(LOG_TAG, "Missing text when loading organization name"); 1208 } 1209 } else { 1210 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1211 XmlUtils.skipCurrentTag(parser); 1212 } 1213 } 1214 } 1215 1216 private List<String> readPackageList(XmlPullParser parser, 1217 String tag) throws XmlPullParserException, IOException { 1218 List<String> result = new ArrayList<String>(); 1219 int outerDepth = parser.getDepth(); 1220 int outerType; 1221 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1222 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1223 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1224 continue; 1225 } 1226 String outerTag = parser.getName(); 1227 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1228 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1229 if (packageName != null) { 1230 result.add(packageName); 1231 } else { 1232 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1233 } 1234 } else { 1235 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1236 } 1237 } 1238 return result; 1239 } 1240 1241 private void readAttributeValues( 1242 XmlPullParser parser, String tag, Collection<String> result) 1243 throws XmlPullParserException, IOException { 1244 result.clear(); 1245 int outerDepthDAM = parser.getDepth(); 1246 int typeDAM; 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.equals(tagDAM)) { 1254 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1255 } else { 1256 Slog.e(LOG_TAG, "Expected tag " + tag + " but found " + tagDAM); 1257 } 1258 } 1259 } 1260 1261 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1262 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1263 int outerDepthDAM = parser.getDepth(); 1264 int typeDAM; 1265 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1266 while ((typeDAM=parser.next()) != END_DOCUMENT 1267 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1268 if (typeDAM == END_TAG || typeDAM == TEXT) { 1269 continue; 1270 } 1271 String tagDAM = parser.getName(); 1272 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1273 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1274 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1275 result.put(component, trustAgentInfo); 1276 } else { 1277 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1278 } 1279 } 1280 return result; 1281 } 1282 1283 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1284 throws XmlPullParserException, IOException { 1285 int outerDepthDAM = parser.getDepth(); 1286 int typeDAM; 1287 TrustAgentInfo result = new TrustAgentInfo(null); 1288 while ((typeDAM=parser.next()) != END_DOCUMENT 1289 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1290 if (typeDAM == END_TAG || typeDAM == TEXT) { 1291 continue; 1292 } 1293 String tagDAM = parser.getName(); 1294 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1295 result.options = PersistableBundle.restoreFromXml(parser); 1296 } else { 1297 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1298 } 1299 } 1300 return result; 1301 } 1302 1303 boolean hasUserRestrictions() { 1304 return userRestrictions != null && userRestrictions.size() > 0; 1305 } 1306 1307 Bundle ensureUserRestrictions() { 1308 if (userRestrictions == null) { 1309 userRestrictions = new Bundle(); 1310 } 1311 return userRestrictions; 1312 } 1313 1314 void dump(String prefix, PrintWriter pw) { 1315 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1316 pw.print(prefix); pw.print("testOnlyAdmin="); 1317 pw.println(testOnlyAdmin); 1318 pw.print(prefix); pw.println("policies:"); 1319 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1320 if (pols != null) { 1321 for (int i=0; i<pols.size(); i++) { 1322 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1323 } 1324 } 1325 pw.print(prefix); pw.print("passwordQuality=0x"); 1326 pw.println(Integer.toHexString(minimumPasswordMetrics.quality)); 1327 pw.print(prefix); pw.print("minimumPasswordLength="); 1328 pw.println(minimumPasswordMetrics.length); 1329 pw.print(prefix); pw.print("passwordHistoryLength="); 1330 pw.println(passwordHistoryLength); 1331 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1332 pw.println(minimumPasswordMetrics.upperCase); 1333 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1334 pw.println(minimumPasswordMetrics.lowerCase); 1335 pw.print(prefix); pw.print("minimumPasswordLetters="); 1336 pw.println(minimumPasswordMetrics.letters); 1337 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1338 pw.println(minimumPasswordMetrics.numeric); 1339 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1340 pw.println(minimumPasswordMetrics.symbols); 1341 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1342 pw.println(minimumPasswordMetrics.nonLetter); 1343 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1344 pw.println(maximumTimeToUnlock); 1345 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1346 pw.println(strongAuthUnlockTimeout); 1347 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1348 pw.println(maximumFailedPasswordsForWipe); 1349 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1350 pw.println(specifiesGlobalProxy); 1351 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1352 pw.println(passwordExpirationTimeout); 1353 pw.print(prefix); pw.print("passwordExpirationDate="); 1354 pw.println(passwordExpirationDate); 1355 if (globalProxySpec != null) { 1356 pw.print(prefix); pw.print("globalProxySpec="); 1357 pw.println(globalProxySpec); 1358 } 1359 if (globalProxyExclusionList != null) { 1360 pw.print(prefix); pw.print("globalProxyEclusionList="); 1361 pw.println(globalProxyExclusionList); 1362 } 1363 pw.print(prefix); pw.print("encryptionRequested="); 1364 pw.println(encryptionRequested); 1365 pw.print(prefix); pw.print("disableCamera="); 1366 pw.println(disableCamera); 1367 pw.print(prefix); pw.print("disableCallerId="); 1368 pw.println(disableCallerId); 1369 pw.print(prefix); pw.print("disableContactsSearch="); 1370 pw.println(disableContactsSearch); 1371 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1372 pw.println(disableBluetoothContactSharing); 1373 pw.print(prefix); pw.print("disableScreenCapture="); 1374 pw.println(disableScreenCapture); 1375 pw.print(prefix); pw.print("requireAutoTime="); 1376 pw.println(requireAutoTime); 1377 pw.print(prefix); pw.print("forceEphemeralUsers="); 1378 pw.println(forceEphemeralUsers); 1379 pw.print(prefix); pw.print("isNetworkLoggingEnabled="); 1380 pw.println(isNetworkLoggingEnabled); 1381 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1382 pw.println(disabledKeyguardFeatures); 1383 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1384 pw.println(crossProfileWidgetProviders); 1385 if (permittedAccessiblityServices != null) { 1386 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1387 pw.println(permittedAccessiblityServices); 1388 } 1389 if (permittedInputMethods != null) { 1390 pw.print(prefix); pw.print("permittedInputMethods="); 1391 pw.println(permittedInputMethods); 1392 } 1393 if (keepUninstalledPackages != null) { 1394 pw.print(prefix); pw.print("keepUninstalledPackages="); 1395 pw.println(keepUninstalledPackages); 1396 } 1397 pw.print(prefix); pw.print("organizationColor="); 1398 pw.println(organizationColor); 1399 if (organizationName != null) { 1400 pw.print(prefix); pw.print("organizationName="); 1401 pw.println(organizationName); 1402 } 1403 pw.print(prefix); pw.println("userRestrictions:"); 1404 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1405 pw.print(prefix); pw.print("defaultEnabledRestrictionsAlreadySet="); 1406 pw.println(defaultEnabledRestrictionsAlreadySet); 1407 pw.print(prefix); pw.print("isParent="); 1408 pw.println(isParent); 1409 if (parentAdmin != null) { 1410 pw.print(prefix); pw.println("parentAdmin:"); 1411 parentAdmin.dump(prefix + " ", pw); 1412 } 1413 } 1414 } 1415 1416 private void handlePackagesChanged(String packageName, int userHandle) { 1417 boolean removedAdmin = false; 1418 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1419 DevicePolicyData policy = getUserData(userHandle); 1420 synchronized (this) { 1421 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1422 ActiveAdmin aa = policy.mAdminList.get(i); 1423 try { 1424 // If we're checking all packages or if the specific one we're checking matches, 1425 // then check if the package and receiver still exist. 1426 final String adminPackage = aa.info.getPackageName(); 1427 if (packageName == null || packageName.equals(adminPackage)) { 1428 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1429 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1430 PackageManager.MATCH_DIRECT_BOOT_AWARE 1431 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1432 userHandle) == null) { 1433 removedAdmin = true; 1434 policy.mAdminList.remove(i); 1435 policy.mAdminMap.remove(aa.info.getComponent()); 1436 } 1437 } 1438 } catch (RemoteException re) { 1439 // Shouldn't happen. 1440 } 1441 } 1442 if (removedAdmin) { 1443 validatePasswordOwnerLocked(policy); 1444 } 1445 1446 boolean removedDelegate = false; 1447 1448 // Check if a delegate was removed. 1449 for (int i = policy.mDelegationMap.size() - 1; i >= 0; i--) { 1450 final String delegatePackage = policy.mDelegationMap.keyAt(i); 1451 if (isRemovedPackage(packageName, delegatePackage, userHandle)) { 1452 policy.mDelegationMap.removeAt(i); 1453 removedDelegate = true; 1454 } 1455 } 1456 1457 // Persist updates if the removed package was an admin or delegate. 1458 if (removedAdmin || removedDelegate) { 1459 saveSettingsLocked(policy.mUserHandle); 1460 } 1461 } 1462 if (removedAdmin) { 1463 // The removed admin might have disabled camera, so update user restrictions. 1464 pushUserRestrictions(userHandle); 1465 } 1466 } 1467 1468 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1469 try { 1470 return targetPackage != null 1471 && (changedPackage == null || changedPackage.equals(targetPackage)) 1472 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1473 } catch (RemoteException e) { 1474 // Shouldn't happen 1475 } 1476 1477 return false; 1478 } 1479 1480 /** 1481 * Unit test will subclass it to inject mocks. 1482 */ 1483 @VisibleForTesting 1484 static class Injector { 1485 1486 private final Context mContext; 1487 1488 Injector(Context context) { 1489 mContext = context; 1490 } 1491 1492 Owners newOwners() { 1493 return new Owners(getUserManager(), getUserManagerInternal(), 1494 getPackageManagerInternal()); 1495 } 1496 1497 UserManager getUserManager() { 1498 return UserManager.get(mContext); 1499 } 1500 1501 UserManagerInternal getUserManagerInternal() { 1502 return LocalServices.getService(UserManagerInternal.class); 1503 } 1504 1505 PackageManagerInternal getPackageManagerInternal() { 1506 return LocalServices.getService(PackageManagerInternal.class); 1507 } 1508 1509 NotificationManager getNotificationManager() { 1510 return mContext.getSystemService(NotificationManager.class); 1511 } 1512 1513 IIpConnectivityMetrics getIIpConnectivityMetrics() { 1514 return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( 1515 ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); 1516 } 1517 1518 PackageManager getPackageManager() { 1519 return mContext.getPackageManager(); 1520 } 1521 1522 PowerManagerInternal getPowerManagerInternal() { 1523 return LocalServices.getService(PowerManagerInternal.class); 1524 } 1525 1526 TelephonyManager getTelephonyManager() { 1527 return TelephonyManager.from(mContext); 1528 } 1529 1530 TrustManager getTrustManager() { 1531 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1532 } 1533 1534 IWindowManager getIWindowManager() { 1535 return IWindowManager.Stub 1536 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1537 } 1538 1539 IActivityManager getIActivityManager() { 1540 return ActivityManager.getService(); 1541 } 1542 1543 IPackageManager getIPackageManager() { 1544 return AppGlobals.getPackageManager(); 1545 } 1546 1547 IBackupManager getIBackupManager() { 1548 return IBackupManager.Stub.asInterface( 1549 ServiceManager.getService(Context.BACKUP_SERVICE)); 1550 } 1551 1552 IAudioService getIAudioService() { 1553 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1554 } 1555 1556 boolean isBuildDebuggable() { 1557 return Build.IS_DEBUGGABLE; 1558 } 1559 1560 LockPatternUtils newLockPatternUtils() { 1561 return new LockPatternUtils(mContext); 1562 } 1563 1564 boolean storageManagerIsFileBasedEncryptionEnabled() { 1565 return StorageManager.isFileEncryptedNativeOnly(); 1566 } 1567 1568 boolean storageManagerIsNonDefaultBlockEncrypted() { 1569 long identity = Binder.clearCallingIdentity(); 1570 try { 1571 return StorageManager.isNonDefaultBlockEncrypted(); 1572 } finally { 1573 Binder.restoreCallingIdentity(identity); 1574 } 1575 } 1576 1577 boolean storageManagerIsEncrypted() { 1578 return StorageManager.isEncrypted(); 1579 } 1580 1581 boolean storageManagerIsEncryptable() { 1582 return StorageManager.isEncryptable(); 1583 } 1584 1585 Looper getMyLooper() { 1586 return Looper.myLooper(); 1587 } 1588 1589 WifiManager getWifiManager() { 1590 return mContext.getSystemService(WifiManager.class); 1591 } 1592 1593 long binderClearCallingIdentity() { 1594 return Binder.clearCallingIdentity(); 1595 } 1596 1597 void binderRestoreCallingIdentity(long token) { 1598 Binder.restoreCallingIdentity(token); 1599 } 1600 1601 int binderGetCallingUid() { 1602 return Binder.getCallingUid(); 1603 } 1604 1605 int binderGetCallingPid() { 1606 return Binder.getCallingPid(); 1607 } 1608 1609 UserHandle binderGetCallingUserHandle() { 1610 return Binder.getCallingUserHandle(); 1611 } 1612 1613 boolean binderIsCallingUidMyUid() { 1614 return getCallingUid() == Process.myUid(); 1615 } 1616 1617 final int userHandleGetCallingUserId() { 1618 return UserHandle.getUserId(binderGetCallingUid()); 1619 } 1620 1621 File environmentGetUserSystemDirectory(int userId) { 1622 return Environment.getUserSystemDirectory(userId); 1623 } 1624 1625 void powerManagerGoToSleep(long time, int reason, int flags) { 1626 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1627 } 1628 1629 void powerManagerReboot(String reason) { 1630 mContext.getSystemService(PowerManager.class).reboot(reason); 1631 } 1632 1633 void recoverySystemRebootWipeUserData(boolean shutdown, String reason, boolean force) 1634 throws IOException { 1635 RecoverySystem.rebootWipeUserData(mContext, shutdown, reason, force); 1636 } 1637 1638 boolean systemPropertiesGetBoolean(String key, boolean def) { 1639 return SystemProperties.getBoolean(key, def); 1640 } 1641 1642 long systemPropertiesGetLong(String key, long def) { 1643 return SystemProperties.getLong(key, def); 1644 } 1645 1646 String systemPropertiesGet(String key, String def) { 1647 return SystemProperties.get(key, def); 1648 } 1649 1650 String systemPropertiesGet(String key) { 1651 return SystemProperties.get(key); 1652 } 1653 1654 void systemPropertiesSet(String key, String value) { 1655 SystemProperties.set(key, value); 1656 } 1657 1658 boolean userManagerIsSplitSystemUser() { 1659 return UserManager.isSplitSystemUser(); 1660 } 1661 1662 String getDevicePolicyFilePathForSystemUser() { 1663 return "/data/system/"; 1664 } 1665 1666 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1667 ContentObserver observer, int userHandle) { 1668 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1669 observer, userHandle); 1670 } 1671 1672 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1673 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1674 name, def, userHandle); 1675 } 1676 1677 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1678 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1679 name, value, userHandle); 1680 } 1681 1682 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1683 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1684 name, value, userHandle); 1685 } 1686 1687 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1688 Settings.Global.putStringForUser(mContext.getContentResolver(), 1689 name, value, userHandle); 1690 } 1691 1692 void settingsSecurePutInt(String name, int value) { 1693 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1694 } 1695 1696 int settingsGlobalGetInt(String name, int def) { 1697 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1698 } 1699 1700 void settingsGlobalPutInt(String name, int value) { 1701 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1702 } 1703 1704 void settingsSecurePutString(String name, String value) { 1705 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1706 } 1707 1708 void settingsGlobalPutString(String name, String value) { 1709 Settings.Global.putString(mContext.getContentResolver(), name, value); 1710 } 1711 1712 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1713 SecurityLog.setLoggingEnabledProperty(enabled); 1714 } 1715 1716 boolean securityLogGetLoggingEnabledProperty() { 1717 return SecurityLog.getLoggingEnabledProperty(); 1718 } 1719 1720 boolean securityLogIsLoggingEnabled() { 1721 return SecurityLog.isLoggingEnabled(); 1722 } 1723 } 1724 1725 /** 1726 * Instantiates the service. 1727 */ 1728 public DevicePolicyManagerService(Context context) { 1729 this(new Injector(context)); 1730 } 1731 1732 @VisibleForTesting 1733 DevicePolicyManagerService(Injector injector) { 1734 mInjector = injector; 1735 mContext = Preconditions.checkNotNull(injector.mContext); 1736 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1737 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1738 1739 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1740 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1741 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1742 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1743 1744 mLocalService = new LocalService(); 1745 mLockPatternUtils = injector.newLockPatternUtils(); 1746 1747 mSecurityLogMonitor = new SecurityLogMonitor(this); 1748 1749 mHasFeature = mInjector.getPackageManager() 1750 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1751 mIsWatch = mInjector.getPackageManager() 1752 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1753 if (!mHasFeature) { 1754 // Skip the rest of the initialization 1755 return; 1756 } 1757 IntentFilter filter = new IntentFilter(); 1758 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1759 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1760 filter.addAction(Intent.ACTION_USER_ADDED); 1761 filter.addAction(Intent.ACTION_USER_REMOVED); 1762 filter.addAction(Intent.ACTION_USER_STARTED); 1763 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1764 filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); 1765 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1766 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1767 filter = new IntentFilter(); 1768 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1769 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1770 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1771 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1772 filter.addDataScheme("package"); 1773 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1774 filter = new IntentFilter(); 1775 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1776 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1777 1778 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1779 } 1780 1781 /** 1782 * Creates and loads the policy data from xml. 1783 * @param userHandle the user for whom to load the policy data 1784 * @return 1785 */ 1786 @NonNull 1787 DevicePolicyData getUserData(int userHandle) { 1788 synchronized (this) { 1789 DevicePolicyData policy = mUserData.get(userHandle); 1790 if (policy == null) { 1791 policy = new DevicePolicyData(userHandle); 1792 mUserData.append(userHandle, policy); 1793 loadSettingsLocked(policy, userHandle); 1794 } 1795 return policy; 1796 } 1797 } 1798 1799 /** 1800 * Creates and loads the policy data from xml for data that is shared between 1801 * various profiles of a user. In contrast to {@link #getUserData(int)} 1802 * it allows access to data of users other than the calling user. 1803 * 1804 * This function should only be used for shared data, e.g. everything regarding 1805 * passwords and should be removed once multiple screen locks are present. 1806 * @param userHandle the user for whom to load the policy data 1807 * @return 1808 */ 1809 DevicePolicyData getUserDataUnchecked(int userHandle) { 1810 long ident = mInjector.binderClearCallingIdentity(); 1811 try { 1812 return getUserData(userHandle); 1813 } finally { 1814 mInjector.binderRestoreCallingIdentity(ident); 1815 } 1816 } 1817 1818 void removeUserData(int userHandle) { 1819 synchronized (this) { 1820 if (userHandle == UserHandle.USER_SYSTEM) { 1821 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1822 return; 1823 } 1824 mOwners.removeProfileOwner(userHandle); 1825 mOwners.writeProfileOwner(userHandle); 1826 1827 DevicePolicyData policy = mUserData.get(userHandle); 1828 if (policy != null) { 1829 mUserData.remove(userHandle); 1830 } 1831 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1832 DEVICE_POLICIES_XML); 1833 policyFile.delete(); 1834 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1835 } 1836 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1837 } 1838 1839 void loadOwners() { 1840 synchronized (this) { 1841 mOwners.load(); 1842 setDeviceOwnerSystemPropertyLocked(); 1843 findOwnerComponentIfNecessaryLocked(); 1844 migrateUserRestrictionsIfNecessaryLocked(); 1845 setDefaultEnabledUserRestrictionsIfNecessaryLocked(); 1846 1847 // TODO PO may not have a class name either due to b/17652534. Address that too. 1848 1849 updateDeviceOwnerLocked(); 1850 } 1851 } 1852 1853 private void setDefaultEnabledUserRestrictionsIfNecessaryLocked() { 1854 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 1855 if (deviceOwner != null 1856 && !UserRestrictionsUtils.getDefaultEnabledForDeviceOwner().equals( 1857 deviceOwner.defaultEnabledRestrictionsAlreadySet)) { 1858 Slog.i(LOG_TAG,"New user restrictions need to be set by default for the device owner"); 1859 1860 if (VERBOSE_LOG) { 1861 Slog.d(LOG_TAG,"Default enabled restrictions for DO: " 1862 + UserRestrictionsUtils.getDefaultEnabledForDeviceOwner() 1863 + ". Restrictions already enabled: " 1864 + deviceOwner.defaultEnabledRestrictionsAlreadySet); 1865 } 1866 1867 Set<String> restrictionsToSet = new ArraySet<>( 1868 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); 1869 restrictionsToSet.removeAll(deviceOwner.defaultEnabledRestrictionsAlreadySet); 1870 if (!restrictionsToSet.isEmpty()) { 1871 for (String restriction : restrictionsToSet) { 1872 deviceOwner.ensureUserRestrictions().putBoolean(restriction, true); 1873 } 1874 deviceOwner.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); 1875 Slog.i(LOG_TAG, 1876 "Enabled the following restrictions by default: " + restrictionsToSet); 1877 1878 saveUserRestrictionsLocked(mOwners.getDeviceOwnerUserId()); 1879 } 1880 } 1881 } 1882 1883 private void setDeviceOwnerSystemPropertyLocked() { 1884 // Device owner may still be provisioned, do not set the read-only system property yet. 1885 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1886 return; 1887 } 1888 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1889 // always false at this point. 1890 if (StorageManager.inCryptKeeperBounce()) { 1891 return; 1892 } 1893 1894 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1895 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1896 } else { 1897 if (mOwners.hasDeviceOwner()) { 1898 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1899 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1900 1901 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1902 mSecurityLogMonitor.start(); 1903 maybePauseDeviceWideLoggingLocked(); 1904 } 1905 } else { 1906 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1907 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1908 } 1909 } 1910 } 1911 1912 private void findOwnerComponentIfNecessaryLocked() { 1913 if (!mOwners.hasDeviceOwner()) { 1914 return; 1915 } 1916 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1917 1918 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1919 return; // Already a full component name. 1920 } 1921 1922 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1923 doComponentName.getPackageName(), 1924 mOwners.getDeviceOwnerUserId()); 1925 if (doComponent == null) { 1926 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1927 } else { 1928 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1929 doComponent, 1930 mOwners.getDeviceOwnerName(), 1931 mOwners.getDeviceOwnerUserId(), 1932 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1933 mOwners.writeDeviceOwner(); 1934 if (VERBOSE_LOG) { 1935 Log.v(LOG_TAG, "Device owner component filled in"); 1936 } 1937 } 1938 } 1939 1940 /** 1941 * We didn't use to persist user restrictions for each owners but only persisted in user 1942 * manager. 1943 */ 1944 private void migrateUserRestrictionsIfNecessaryLocked() { 1945 boolean migrated = false; 1946 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1947 // except for the "system controlled" ones. 1948 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1949 if (VERBOSE_LOG) { 1950 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1951 } 1952 migrated = true; 1953 1954 // Migrate user 0 restrictions to DO. 1955 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1956 1957 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1958 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1959 1960 // Push DO user restrictions to user manager. 1961 pushUserRestrictions(UserHandle.USER_SYSTEM); 1962 1963 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1964 } 1965 1966 // Migrate for POs. 1967 1968 // The following restrictions can be set on secondary users by the device owner, so we 1969 // assume they're not from the PO. 1970 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1971 UserManager.DISALLOW_OUTGOING_CALLS, 1972 UserManager.DISALLOW_SMS); 1973 1974 for (UserInfo ui : mUserManager.getUsers()) { 1975 final int userId = ui.id; 1976 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1977 if (VERBOSE_LOG) { 1978 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1979 } 1980 migrated = true; 1981 1982 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1983 1984 final Set<String> exceptionList = 1985 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1986 1987 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1988 exceptionList, /* isDeviceOwner =*/ false); 1989 1990 // Note if a secondary user has no PO but has a DA that disables camera, we 1991 // don't get here and won't push the camera user restriction to UserManager 1992 // here. That's okay because we'll push user restrictions anyway when a user 1993 // starts. But we still do it because we want to let user manager persist 1994 // upon migration. 1995 pushUserRestrictions(userId); 1996 1997 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1998 } 1999 } 2000 if (VERBOSE_LOG && migrated) { 2001 Log.v(LOG_TAG, "User restrictions migrated."); 2002 } 2003 } 2004 2005 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 2006 Set<String> exceptionList, boolean isDeviceOwner) { 2007 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 2008 user.getIdentifier()); 2009 2010 final Bundle newBaseRestrictions = new Bundle(); 2011 final Bundle newOwnerRestrictions = new Bundle(); 2012 2013 for (String key : origRestrictions.keySet()) { 2014 if (!origRestrictions.getBoolean(key)) { 2015 continue; 2016 } 2017 final boolean canOwnerChange = isDeviceOwner 2018 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 2019 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 2020 2021 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 2022 newBaseRestrictions.putBoolean(key, true); 2023 } else { 2024 newOwnerRestrictions.putBoolean(key, true); 2025 } 2026 } 2027 2028 if (VERBOSE_LOG) { 2029 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 2030 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 2031 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 2032 } 2033 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 2034 newBaseRestrictions); 2035 2036 if (admin != null) { 2037 admin.ensureUserRestrictions().clear(); 2038 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 2039 } else { 2040 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 2041 } 2042 saveSettingsLocked(user.getIdentifier()); 2043 } 2044 2045 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 2046 final DevicePolicyData policy = getUserData(userId); 2047 final int n = policy.mAdminList.size(); 2048 ComponentName found = null; 2049 int nFound = 0; 2050 for (int i = 0; i < n; i++) { 2051 final ActiveAdmin admin = policy.mAdminList.get(i); 2052 if (packageName.equals(admin.info.getPackageName())) { 2053 // Found! 2054 if (nFound == 0) { 2055 found = admin.info.getComponent(); 2056 } 2057 nFound++; 2058 } 2059 } 2060 if (nFound > 1) { 2061 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 2062 } 2063 return found; 2064 } 2065 2066 /** 2067 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 2068 * reminders. Clears alarm if no expirations are configured. 2069 */ 2070 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 2071 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 2072 final long now = System.currentTimeMillis(); 2073 final long timeToExpire = expiration - now; 2074 final long alarmTime; 2075 if (expiration == 0) { 2076 // No expirations are currently configured: Cancel alarm. 2077 alarmTime = 0; 2078 } else if (timeToExpire <= 0) { 2079 // The password has already expired: Repeat every 24 hours. 2080 alarmTime = now + MS_PER_DAY; 2081 } else { 2082 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 2083 // the expiration time. 2084 long alarmInterval = timeToExpire % MS_PER_DAY; 2085 if (alarmInterval == 0) { 2086 alarmInterval = MS_PER_DAY; 2087 } 2088 alarmTime = now + alarmInterval; 2089 } 2090 2091 long token = mInjector.binderClearCallingIdentity(); 2092 try { 2093 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2094 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 2095 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2096 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2097 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2098 UserHandle.of(affectedUserHandle)); 2099 am.cancel(pi); 2100 if (alarmTime != 0) { 2101 am.set(AlarmManager.RTC, alarmTime, pi); 2102 } 2103 } finally { 2104 mInjector.binderRestoreCallingIdentity(token); 2105 } 2106 } 2107 2108 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2109 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2110 if (admin != null 2111 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2112 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2113 return admin; 2114 } 2115 return null; 2116 } 2117 2118 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2119 if (parent) { 2120 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2121 } 2122 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2123 if (admin != null && parent) { 2124 admin = admin.getParentActiveAdmin(); 2125 } 2126 return admin; 2127 } 2128 2129 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2130 throws SecurityException { 2131 final int callingUid = mInjector.binderGetCallingUid(); 2132 2133 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2134 if (result != null) { 2135 return result; 2136 } 2137 2138 if (who != null) { 2139 final int userId = UserHandle.getUserId(callingUid); 2140 final DevicePolicyData policy = getUserData(userId); 2141 ActiveAdmin admin = policy.mAdminMap.get(who); 2142 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2143 throw new SecurityException("Admin " + admin.info.getComponent() 2144 + " does not own the device"); 2145 } 2146 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2147 throw new SecurityException("Admin " + admin.info.getComponent() 2148 + " does not own the profile"); 2149 } 2150 throw new SecurityException("Admin " + admin.info.getComponent() 2151 + " did not specify uses-policy for: " 2152 + admin.info.getTagForPolicy(reqPolicy)); 2153 } else { 2154 throw new SecurityException("No active admin owned by uid " 2155 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2156 } 2157 } 2158 2159 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2160 throws SecurityException { 2161 if (parent) { 2162 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2163 "call APIs on the parent profile"); 2164 } 2165 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2166 return parent ? admin.getParentActiveAdmin() : admin; 2167 } 2168 /** 2169 * Find the admin for the component and userId bit of the uid, then check 2170 * the admin's uid matches the uid. 2171 */ 2172 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2173 final int userId = UserHandle.getUserId(uid); 2174 final DevicePolicyData policy = getUserData(userId); 2175 ActiveAdmin admin = policy.mAdminMap.get(who); 2176 if (admin == null) { 2177 throw new SecurityException("No active admin " + who); 2178 } 2179 if (admin.getUid() != uid) { 2180 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2181 } 2182 return admin; 2183 } 2184 2185 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2186 int uid) { 2187 // Try to find an admin which can use reqPolicy 2188 final int userId = UserHandle.getUserId(uid); 2189 final DevicePolicyData policy = getUserData(userId); 2190 if (who != null) { 2191 ActiveAdmin admin = policy.mAdminMap.get(who); 2192 if (admin == null) { 2193 throw new SecurityException("No active admin " + who); 2194 } 2195 if (admin.getUid() != uid) { 2196 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2197 } 2198 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2199 return admin; 2200 } 2201 } else { 2202 for (ActiveAdmin admin : policy.mAdminList) { 2203 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2204 userId)) { 2205 return admin; 2206 } 2207 } 2208 } 2209 2210 return null; 2211 } 2212 2213 @VisibleForTesting 2214 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2215 int userId) { 2216 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2217 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2218 2219 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2220 return ownsDevice; 2221 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2222 // DO always has the PO power. 2223 return ownsDevice || ownsProfile; 2224 } else { 2225 return admin.info.usesPolicy(reqPolicy); 2226 } 2227 } 2228 2229 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2230 sendAdminCommandLocked(admin, action, null); 2231 } 2232 2233 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2234 sendAdminCommandLocked(admin, action, null, result); 2235 } 2236 2237 /** 2238 * Send an update to one specific admin, get notified when that admin returns a result. 2239 */ 2240 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2241 BroadcastReceiver result) { 2242 Intent intent = new Intent(action); 2243 intent.setComponent(admin.info.getComponent()); 2244 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2245 intent.putExtra("expiration", admin.passwordExpirationDate); 2246 } 2247 if (adminExtras != null) { 2248 intent.putExtras(adminExtras); 2249 } 2250 if (result != null) { 2251 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2252 null, result, mHandler, Activity.RESULT_OK, null, null); 2253 } else { 2254 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2255 } 2256 } 2257 2258 /** 2259 * Send an update to all admins of a user that enforce a specified policy. 2260 */ 2261 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle, Bundle adminExtras) { 2262 final DevicePolicyData policy = getUserData(userHandle); 2263 final int count = policy.mAdminList.size(); 2264 for (int i = 0; i < count; i++) { 2265 final ActiveAdmin admin = policy.mAdminList.get(i); 2266 if (admin.info.usesPolicy(reqPolicy)) { 2267 sendAdminCommandLocked(admin, action, adminExtras, null); 2268 } 2269 } 2270 } 2271 2272 /** 2273 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2274 * enforce a specified policy. 2275 */ 2276 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2277 int userHandle, Bundle adminExtras) { 2278 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2279 for (int profileId : profileIds) { 2280 sendAdminCommandLocked(action, reqPolicy, profileId, adminExtras); 2281 } 2282 } 2283 2284 /** 2285 * Sends a broadcast to each profile that share the password unlock with the given user id. 2286 */ 2287 private void sendAdminCommandForLockscreenPoliciesLocked( 2288 String action, int reqPolicy, int userHandle) { 2289 final Bundle extras = new Bundle(); 2290 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2291 if (isSeparateProfileChallengeEnabled(userHandle)) { 2292 sendAdminCommandLocked(action, reqPolicy, userHandle, extras); 2293 } else { 2294 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle, extras); 2295 } 2296 } 2297 2298 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2299 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2300 DevicePolicyData policy = getUserData(userHandle); 2301 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2302 policy.mRemovingAdmins.add(adminReceiver); 2303 sendAdminCommandLocked(admin, 2304 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2305 new BroadcastReceiver() { 2306 @Override 2307 public void onReceive(Context context, Intent intent) { 2308 removeAdminArtifacts(adminReceiver, userHandle); 2309 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2310 } 2311 }); 2312 } 2313 } 2314 2315 2316 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2317 boolean throwForMissiongPermission) { 2318 if (!mHasFeature) { 2319 return null; 2320 } 2321 enforceFullCrossUsersPermission(userHandle); 2322 ActivityInfo ai = null; 2323 try { 2324 ai = mIPackageManager.getReceiverInfo(adminName, 2325 PackageManager.GET_META_DATA | 2326 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2327 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2328 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2329 } catch (RemoteException e) { 2330 // shouldn't happen. 2331 } 2332 if (ai == null) { 2333 throw new IllegalArgumentException("Unknown admin: " + adminName); 2334 } 2335 2336 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2337 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2338 + permission.BIND_DEVICE_ADMIN; 2339 Slog.w(LOG_TAG, message); 2340 if (throwForMissiongPermission && 2341 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2342 throw new IllegalArgumentException(message); 2343 } 2344 } 2345 2346 try { 2347 return new DeviceAdminInfo(mContext, ai); 2348 } catch (XmlPullParserException | IOException e) { 2349 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2350 e); 2351 return null; 2352 } 2353 } 2354 2355 private JournaledFile makeJournaledFile(int userHandle) { 2356 final String base = userHandle == UserHandle.USER_SYSTEM 2357 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2358 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2359 DEVICE_POLICIES_XML).getAbsolutePath(); 2360 if (VERBOSE_LOG) { 2361 Log.v(LOG_TAG, "Opening " + base); 2362 } 2363 return new JournaledFile(new File(base), new File(base + ".tmp")); 2364 } 2365 2366 private void saveSettingsLocked(int userHandle) { 2367 DevicePolicyData policy = getUserData(userHandle); 2368 JournaledFile journal = makeJournaledFile(userHandle); 2369 FileOutputStream stream = null; 2370 try { 2371 stream = new FileOutputStream(journal.chooseForWrite(), false); 2372 XmlSerializer out = new FastXmlSerializer(); 2373 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2374 out.startDocument(null, true); 2375 2376 out.startTag(null, "policies"); 2377 if (policy.mRestrictionsProvider != null) { 2378 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2379 policy.mRestrictionsProvider.flattenToString()); 2380 } 2381 if (policy.mUserSetupComplete) { 2382 out.attribute(null, ATTR_SETUP_COMPLETE, 2383 Boolean.toString(true)); 2384 } 2385 if (policy.mPaired) { 2386 out.attribute(null, ATTR_DEVICE_PAIRED, 2387 Boolean.toString(true)); 2388 } 2389 if (policy.mDeviceProvisioningConfigApplied) { 2390 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2391 Boolean.toString(true)); 2392 } 2393 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2394 out.attribute(null, ATTR_PROVISIONING_STATE, 2395 Integer.toString(policy.mUserProvisioningState)); 2396 } 2397 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2398 out.attribute(null, ATTR_PERMISSION_POLICY, 2399 Integer.toString(policy.mPermissionPolicy)); 2400 } 2401 2402 // Serialize delegations. 2403 for (int i = 0; i < policy.mDelegationMap.size(); ++i) { 2404 final String delegatePackage = policy.mDelegationMap.keyAt(i); 2405 final List<String> scopes = policy.mDelegationMap.valueAt(i); 2406 2407 // Every "delegation" tag serializes the information of one delegate-scope pair. 2408 for (String scope : scopes) { 2409 out.startTag(null, "delegation"); 2410 out.attribute(null, "delegatePackage", delegatePackage); 2411 out.attribute(null, "scope", scope); 2412 out.endTag(null, "delegation"); 2413 } 2414 } 2415 2416 final int N = policy.mAdminList.size(); 2417 for (int i=0; i<N; i++) { 2418 ActiveAdmin ap = policy.mAdminList.get(i); 2419 if (ap != null) { 2420 out.startTag(null, "admin"); 2421 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2422 ap.writeToXml(out); 2423 out.endTag(null, "admin"); 2424 } 2425 } 2426 2427 if (policy.mPasswordOwner >= 0) { 2428 out.startTag(null, "password-owner"); 2429 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2430 out.endTag(null, "password-owner"); 2431 } 2432 2433 if (policy.mFailedPasswordAttempts != 0) { 2434 out.startTag(null, "failed-password-attempts"); 2435 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2436 out.endTag(null, "failed-password-attempts"); 2437 } 2438 2439 // Don't save metrics for FBE devices 2440 final PasswordMetrics metrics = policy.mActivePasswordMetrics; 2441 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() && !metrics.isDefault()) { 2442 out.startTag(null, "active-password"); 2443 out.attribute(null, "quality", Integer.toString(metrics.quality)); 2444 out.attribute(null, "length", Integer.toString(metrics.length)); 2445 out.attribute(null, "uppercase", Integer.toString(metrics.upperCase)); 2446 out.attribute(null, "lowercase", Integer.toString(metrics.lowerCase)); 2447 out.attribute(null, "letters", Integer.toString(metrics.letters)); 2448 out.attribute(null, "numeric", Integer.toString(metrics.numeric)); 2449 out.attribute(null, "symbols", Integer.toString(metrics.symbols)); 2450 out.attribute(null, "nonletter", Integer.toString(metrics.nonLetter)); 2451 out.endTag(null, "active-password"); 2452 } 2453 2454 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2455 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2456 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2457 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2458 } 2459 2460 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2461 String component = policy.mLockTaskPackages.get(i); 2462 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2463 out.attribute(null, "name", component); 2464 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2465 } 2466 2467 if (policy.mStatusBarDisabled) { 2468 out.startTag(null, TAG_STATUS_BAR); 2469 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2470 out.endTag(null, TAG_STATUS_BAR); 2471 } 2472 2473 if (policy.doNotAskCredentialsOnBoot) { 2474 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2475 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2476 } 2477 2478 for (String id : policy.mAffiliationIds) { 2479 out.startTag(null, TAG_AFFILIATION_ID); 2480 out.attribute(null, ATTR_ID, id); 2481 out.endTag(null, TAG_AFFILIATION_ID); 2482 } 2483 2484 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2485 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2486 out.attribute(null, ATTR_VALUE, 2487 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2488 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2489 } 2490 2491 if (policy.mLastBugReportRequestTime >= 0) { 2492 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2493 out.attribute(null, ATTR_VALUE, 2494 Long.toString(policy.mLastBugReportRequestTime)); 2495 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2496 } 2497 2498 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2499 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2500 out.attribute(null, ATTR_VALUE, 2501 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2502 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2503 } 2504 2505 if (policy.mAdminBroadcastPending) { 2506 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2507 out.attribute(null, ATTR_VALUE, 2508 Boolean.toString(policy.mAdminBroadcastPending)); 2509 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2510 } 2511 2512 if (policy.mInitBundle != null) { 2513 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2514 policy.mInitBundle.saveToXml(out); 2515 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2516 } 2517 2518 out.endTag(null, "policies"); 2519 2520 out.endDocument(); 2521 stream.flush(); 2522 FileUtils.sync(stream); 2523 stream.close(); 2524 journal.commit(); 2525 sendChangedNotification(userHandle); 2526 } catch (XmlPullParserException | IOException e) { 2527 Slog.w(LOG_TAG, "failed writing file", e); 2528 try { 2529 if (stream != null) { 2530 stream.close(); 2531 } 2532 } catch (IOException ex) { 2533 // Ignore 2534 } 2535 journal.rollback(); 2536 } 2537 } 2538 2539 private void sendChangedNotification(int userHandle) { 2540 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2541 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2542 long ident = mInjector.binderClearCallingIdentity(); 2543 try { 2544 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2545 } finally { 2546 mInjector.binderRestoreCallingIdentity(ident); 2547 } 2548 } 2549 2550 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2551 JournaledFile journal = makeJournaledFile(userHandle); 2552 FileInputStream stream = null; 2553 File file = journal.chooseForRead(); 2554 boolean needsRewrite = false; 2555 try { 2556 stream = new FileInputStream(file); 2557 XmlPullParser parser = Xml.newPullParser(); 2558 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2559 2560 int type; 2561 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2562 && type != XmlPullParser.START_TAG) { 2563 } 2564 String tag = parser.getName(); 2565 if (!"policies".equals(tag)) { 2566 throw new XmlPullParserException( 2567 "Settings do not start with policies tag: found " + tag); 2568 } 2569 2570 // Extract the permission provider component name if available 2571 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2572 if (permissionProvider != null) { 2573 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2574 } 2575 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2576 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2577 policy.mUserSetupComplete = true; 2578 } 2579 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2580 if (paired != null && Boolean.toString(true).equals(paired)) { 2581 policy.mPaired = true; 2582 } 2583 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2584 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2585 if (deviceProvisioningConfigApplied != null 2586 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2587 policy.mDeviceProvisioningConfigApplied = true; 2588 } 2589 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2590 if (!TextUtils.isEmpty(provisioningState)) { 2591 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2592 } 2593 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2594 if (!TextUtils.isEmpty(permissionPolicy)) { 2595 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2596 } 2597 // Check for delegation compatibility with pre-O. 2598 // TODO(edmanp) remove in P. 2599 { 2600 final String certDelegate = parser.getAttributeValue(null, 2601 ATTR_DELEGATED_CERT_INSTALLER); 2602 if (certDelegate != null) { 2603 List<String> scopes = policy.mDelegationMap.get(certDelegate); 2604 if (scopes == null) { 2605 scopes = new ArrayList<>(); 2606 policy.mDelegationMap.put(certDelegate, scopes); 2607 } 2608 if (!scopes.contains(DELEGATION_CERT_INSTALL)) { 2609 scopes.add(DELEGATION_CERT_INSTALL); 2610 needsRewrite = true; 2611 } 2612 } 2613 final String appRestrictionsDelegate = parser.getAttributeValue(null, 2614 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2615 if (appRestrictionsDelegate != null) { 2616 List<String> scopes = policy.mDelegationMap.get(appRestrictionsDelegate); 2617 if (scopes == null) { 2618 scopes = new ArrayList<>(); 2619 policy.mDelegationMap.put(appRestrictionsDelegate, scopes); 2620 } 2621 if (!scopes.contains(DELEGATION_APP_RESTRICTIONS)) { 2622 scopes.add(DELEGATION_APP_RESTRICTIONS); 2623 needsRewrite = true; 2624 } 2625 } 2626 } 2627 2628 type = parser.next(); 2629 int outerDepth = parser.getDepth(); 2630 policy.mLockTaskPackages.clear(); 2631 policy.mAdminList.clear(); 2632 policy.mAdminMap.clear(); 2633 policy.mAffiliationIds.clear(); 2634 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2635 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2636 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2637 continue; 2638 } 2639 tag = parser.getName(); 2640 if ("admin".equals(tag)) { 2641 String name = parser.getAttributeValue(null, "name"); 2642 try { 2643 DeviceAdminInfo dai = findAdmin( 2644 ComponentName.unflattenFromString(name), userHandle, 2645 /* throwForMissionPermission= */ false); 2646 if (VERBOSE_LOG 2647 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2648 != userHandle)) { 2649 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2650 + dai.getActivityInfo().applicationInfo.uid + " for user " 2651 + userHandle); 2652 } 2653 if (dai != null) { 2654 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2655 ap.readFromXml(parser); 2656 policy.mAdminMap.put(ap.info.getComponent(), ap); 2657 } 2658 } catch (RuntimeException e) { 2659 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2660 } 2661 } else if ("delegation".equals(tag)) { 2662 // Parse delegation info. 2663 final String delegatePackage = parser.getAttributeValue(null, 2664 "delegatePackage"); 2665 final String scope = parser.getAttributeValue(null, "scope"); 2666 2667 // Get a reference to the scopes list for the delegatePackage. 2668 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 2669 // Or make a new list if none was found. 2670 if (scopes == null) { 2671 scopes = new ArrayList<>(); 2672 policy.mDelegationMap.put(delegatePackage, scopes); 2673 } 2674 // Add the new scope to the list of delegatePackage if it's not already there. 2675 if (!scopes.contains(scope)) { 2676 scopes.add(scope); 2677 } 2678 } else if ("failed-password-attempts".equals(tag)) { 2679 policy.mFailedPasswordAttempts = Integer.parseInt( 2680 parser.getAttributeValue(null, "value")); 2681 } else if ("password-owner".equals(tag)) { 2682 policy.mPasswordOwner = Integer.parseInt( 2683 parser.getAttributeValue(null, "value")); 2684 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2685 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2686 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2687 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2688 } else if (TAG_STATUS_BAR.equals(tag)) { 2689 policy.mStatusBarDisabled = Boolean.parseBoolean( 2690 parser.getAttributeValue(null, ATTR_DISABLED)); 2691 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2692 policy.doNotAskCredentialsOnBoot = true; 2693 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2694 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2695 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2696 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2697 parser.getAttributeValue(null, ATTR_VALUE)); 2698 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2699 policy.mLastBugReportRequestTime = Long.parseLong( 2700 parser.getAttributeValue(null, ATTR_VALUE)); 2701 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2702 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2703 parser.getAttributeValue(null, ATTR_VALUE)); 2704 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2705 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2706 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2707 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2708 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2709 } else if ("active-password".equals(tag)) { 2710 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2711 // Remove this from FBE devices 2712 needsRewrite = true; 2713 } else { 2714 final PasswordMetrics m = policy.mActivePasswordMetrics; 2715 m.quality = Integer.parseInt(parser.getAttributeValue(null, "quality")); 2716 m.length = Integer.parseInt(parser.getAttributeValue(null, "length")); 2717 m.upperCase = Integer.parseInt(parser.getAttributeValue(null, "uppercase")); 2718 m.lowerCase = Integer.parseInt(parser.getAttributeValue(null, "lowercase")); 2719 m.letters = Integer.parseInt(parser.getAttributeValue(null, "letters")); 2720 m.numeric = Integer.parseInt(parser.getAttributeValue(null, "numeric")); 2721 m.symbols = Integer.parseInt(parser.getAttributeValue(null, "symbols")); 2722 m.nonLetter = Integer.parseInt(parser.getAttributeValue(null, "nonletter")); 2723 } 2724 } else { 2725 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2726 XmlUtils.skipCurrentTag(parser); 2727 } 2728 } 2729 } catch (FileNotFoundException e) { 2730 // Don't be noisy, this is normal if we haven't defined any policies. 2731 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2732 | IndexOutOfBoundsException e) { 2733 Slog.w(LOG_TAG, "failed parsing " + file, e); 2734 } 2735 try { 2736 if (stream != null) { 2737 stream.close(); 2738 } 2739 } catch (IOException e) { 2740 // Ignore 2741 } 2742 2743 // Generate a list of admins from the admin map 2744 policy.mAdminList.addAll(policy.mAdminMap.values()); 2745 2746 // Might need to upgrade the file by rewriting it 2747 if (needsRewrite) { 2748 saveSettingsLocked(userHandle); 2749 } 2750 2751 validatePasswordOwnerLocked(policy); 2752 updateMaximumTimeToLockLocked(userHandle); 2753 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2754 if (policy.mStatusBarDisabled) { 2755 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2756 } 2757 } 2758 2759 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2760 long ident = mInjector.binderClearCallingIdentity(); 2761 try { 2762 mInjector.getIActivityManager() 2763 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2764 } catch (RemoteException e) { 2765 // Not gonna happen. 2766 } finally { 2767 mInjector.binderRestoreCallingIdentity(ident); 2768 } 2769 } 2770 2771 private void updateDeviceOwnerLocked() { 2772 long ident = mInjector.binderClearCallingIdentity(); 2773 try { 2774 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2775 // user id and also protect all other DAs too. 2776 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2777 if (deviceOwnerComponent != null) { 2778 mInjector.getIActivityManager() 2779 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2780 } 2781 } catch (RemoteException e) { 2782 // Not gonna happen. 2783 } finally { 2784 mInjector.binderRestoreCallingIdentity(ident); 2785 } 2786 } 2787 2788 static void validateQualityConstant(int quality) { 2789 switch (quality) { 2790 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2791 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2792 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2793 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2794 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2795 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2796 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2797 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2798 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2799 return; 2800 } 2801 throw new IllegalArgumentException("Invalid quality constant: 0x" 2802 + Integer.toHexString(quality)); 2803 } 2804 2805 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2806 if (policy.mPasswordOwner >= 0) { 2807 boolean haveOwner = false; 2808 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2809 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2810 haveOwner = true; 2811 break; 2812 } 2813 } 2814 if (!haveOwner) { 2815 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2816 + " no longer active; disabling"); 2817 policy.mPasswordOwner = -1; 2818 } 2819 } 2820 } 2821 2822 @VisibleForTesting 2823 void systemReady(int phase) { 2824 if (!mHasFeature) { 2825 return; 2826 } 2827 switch (phase) { 2828 case SystemService.PHASE_LOCK_SETTINGS_READY: 2829 onLockSettingsReady(); 2830 break; 2831 case SystemService.PHASE_BOOT_COMPLETED: 2832 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2833 break; 2834 } 2835 } 2836 2837 private void onLockSettingsReady() { 2838 getUserData(UserHandle.USER_SYSTEM); 2839 loadOwners(); 2840 cleanUpOldUsers(); 2841 2842 onStartUser(UserHandle.USER_SYSTEM); 2843 2844 // Register an observer for watching for user setup complete. 2845 new SetupContentObserver(mHandler).register(); 2846 // Initialize the user setup state, to handle the upgrade case. 2847 updateUserSetupCompleteAndPaired(); 2848 2849 List<String> packageList; 2850 synchronized (this) { 2851 packageList = getKeepUninstalledPackagesLocked(); 2852 } 2853 if (packageList != null) { 2854 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2855 } 2856 2857 synchronized (this) { 2858 // push the force-ephemeral-users policy to the user manager. 2859 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2860 if (deviceOwner != null) { 2861 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2862 } 2863 } 2864 } 2865 2866 private void ensureDeviceOwnerUserStarted() { 2867 final int userId; 2868 synchronized (this) { 2869 if (!mOwners.hasDeviceOwner()) { 2870 return; 2871 } 2872 userId = mOwners.getDeviceOwnerUserId(); 2873 } 2874 if (VERBOSE_LOG) { 2875 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2876 } 2877 if (userId != UserHandle.USER_SYSTEM) { 2878 try { 2879 mInjector.getIActivityManager().startUserInBackground(userId); 2880 2881 // STOPSHIP Prevent the DO user from being killed. 2882 2883 } catch (RemoteException e) { 2884 Slog.w(LOG_TAG, "Exception starting user", e); 2885 } 2886 } 2887 } 2888 2889 private void onStartUser(int userId) { 2890 updateScreenCaptureDisabledInWindowManager(userId, 2891 getScreenCaptureDisabled(null, userId)); 2892 pushUserRestrictions(userId); 2893 } 2894 2895 private void cleanUpOldUsers() { 2896 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2897 // before reboot 2898 Set<Integer> usersWithProfileOwners; 2899 Set<Integer> usersWithData; 2900 synchronized(this) { 2901 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2902 usersWithData = new ArraySet<>(); 2903 for (int i = 0; i < mUserData.size(); i++) { 2904 usersWithData.add(mUserData.keyAt(i)); 2905 } 2906 } 2907 List<UserInfo> allUsers = mUserManager.getUsers(); 2908 2909 Set<Integer> deletedUsers = new ArraySet<>(); 2910 deletedUsers.addAll(usersWithProfileOwners); 2911 deletedUsers.addAll(usersWithData); 2912 for (UserInfo userInfo : allUsers) { 2913 deletedUsers.remove(userInfo.id); 2914 } 2915 for (Integer userId : deletedUsers) { 2916 removeUserData(userId); 2917 } 2918 } 2919 2920 private void handlePasswordExpirationNotification(int userHandle) { 2921 final Bundle adminExtras = new Bundle(); 2922 adminExtras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2923 2924 synchronized (this) { 2925 final long now = System.currentTimeMillis(); 2926 2927 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2928 userHandle, /* parent */ false); 2929 final int N = admins.size(); 2930 for (int i = 0; i < N; i++) { 2931 ActiveAdmin admin = admins.get(i); 2932 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2933 && admin.passwordExpirationTimeout > 0L 2934 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2935 && admin.passwordExpirationDate > 0L) { 2936 sendAdminCommandLocked(admin, 2937 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING, adminExtras, null); 2938 } 2939 } 2940 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2941 } 2942 } 2943 2944 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2945 @Override 2946 protected Void doInBackground(Integer... params) { 2947 int userHandle = params[0]; 2948 2949 if (userHandle == UserHandle.USER_ALL) { 2950 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2951 manageNotification(userInfo.getUserHandle()); 2952 } 2953 } else { 2954 manageNotification(UserHandle.of(userHandle)); 2955 } 2956 return null; 2957 } 2958 2959 private void manageNotification(UserHandle userHandle) { 2960 if (!mUserManager.isUserUnlocked(userHandle)) { 2961 return; 2962 } 2963 2964 // Call out to KeyChain to check for CAs which are waiting for approval. 2965 final List<String> pendingCertificates; 2966 try { 2967 pendingCertificates = getInstalledCaCertificates(userHandle); 2968 } catch (RemoteException | RuntimeException e) { 2969 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2970 return; 2971 } 2972 2973 synchronized (DevicePolicyManagerService.this) { 2974 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2975 2976 // Remove deleted certificates. Flush xml if necessary. 2977 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2978 saveSettingsLocked(userHandle.getIdentifier()); 2979 } 2980 // Trim to approved certificates. 2981 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2982 } 2983 2984 if (pendingCertificates.isEmpty()) { 2985 mInjector.getNotificationManager().cancelAsUser( 2986 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2987 return; 2988 } 2989 2990 // Build and show a warning notification 2991 int smallIconId; 2992 String contentText; 2993 int parentUserId = userHandle.getIdentifier(); 2994 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2995 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2996 getProfileOwnerName(userHandle.getIdentifier())); 2997 smallIconId = R.drawable.stat_sys_certificate_info; 2998 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2999 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 3000 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 3001 getDeviceOwnerName()); 3002 smallIconId = R.drawable.stat_sys_certificate_info; 3003 } else { 3004 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 3005 smallIconId = android.R.drawable.stat_sys_warning; 3006 } 3007 3008 final int numberOfCertificates = pendingCertificates.size(); 3009 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 3010 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 3011 dialogIntent.setPackage("com.android.settings"); 3012 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 3013 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 3014 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 3015 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 3016 new UserHandle(parentUserId)); 3017 3018 final Context userContext; 3019 try { 3020 final String packageName = mContext.getPackageName(); 3021 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 3022 } catch (PackageManager.NameNotFoundException e) { 3023 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 3024 return; 3025 } 3026 final Notification noti = new Notification.Builder(userContext) 3027 .setSmallIcon(smallIconId) 3028 .setContentTitle(mContext.getResources().getQuantityText( 3029 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 3030 .setContentText(contentText) 3031 .setContentIntent(notifyIntent) 3032 .setPriority(Notification.PRIORITY_HIGH) 3033 .setShowWhen(false) 3034 .setColor(mContext.getColor( 3035 com.android.internal.R.color.system_notification_accent_color)) 3036 .build(); 3037 3038 mInjector.getNotificationManager().notifyAsUser( 3039 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 3040 } 3041 3042 private List<String> getInstalledCaCertificates(UserHandle userHandle) 3043 throws RemoteException, RuntimeException { 3044 KeyChainConnection conn = null; 3045 try { 3046 conn = KeyChain.bindAsUser(mContext, userHandle); 3047 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 3048 List<String> result = new ArrayList<>(aliases.size()); 3049 for (int i = 0; i < aliases.size(); i++) { 3050 result.add(aliases.get(i).string); 3051 } 3052 return result; 3053 } catch (InterruptedException e) { 3054 Thread.currentThread().interrupt(); 3055 return null; 3056 } catch (AssertionError e) { 3057 throw new RuntimeException(e); 3058 } finally { 3059 if (conn != null) { 3060 conn.close(); 3061 } 3062 } 3063 } 3064 } 3065 3066 /** 3067 * @param adminReceiver The admin to add 3068 * @param refreshing true = update an active admin, no error 3069 */ 3070 @Override 3071 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 3072 if (!mHasFeature) { 3073 return; 3074 } 3075 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 3076 } 3077 3078 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 3079 Bundle onEnableData) { 3080 mContext.enforceCallingOrSelfPermission( 3081 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3082 enforceFullCrossUsersPermission(userHandle); 3083 3084 DevicePolicyData policy = getUserData(userHandle); 3085 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 3086 /* throwForMissionPermission= */ true); 3087 if (info == null) { 3088 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 3089 } 3090 if (!info.getActivityInfo().applicationInfo.isInternal()) { 3091 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 3092 + adminReceiver); 3093 } 3094 synchronized (this) { 3095 long ident = mInjector.binderClearCallingIdentity(); 3096 try { 3097 final ActiveAdmin existingAdmin 3098 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3099 if (!refreshing && existingAdmin != null) { 3100 throw new IllegalArgumentException("Admin is already added"); 3101 } 3102 if (policy.mRemovingAdmins.contains(adminReceiver)) { 3103 throw new IllegalArgumentException( 3104 "Trying to set an admin which is being removed"); 3105 } 3106 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 3107 newAdmin.testOnlyAdmin = 3108 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 3109 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 3110 policy.mAdminMap.put(adminReceiver, newAdmin); 3111 int replaceIndex = -1; 3112 final int N = policy.mAdminList.size(); 3113 for (int i=0; i < N; i++) { 3114 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 3115 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 3116 replaceIndex = i; 3117 break; 3118 } 3119 } 3120 if (replaceIndex == -1) { 3121 policy.mAdminList.add(newAdmin); 3122 enableIfNecessary(info.getPackageName(), userHandle); 3123 } else { 3124 policy.mAdminList.set(replaceIndex, newAdmin); 3125 } 3126 saveSettingsLocked(userHandle); 3127 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 3128 onEnableData, null); 3129 } finally { 3130 mInjector.binderRestoreCallingIdentity(ident); 3131 } 3132 } 3133 } 3134 3135 @Override 3136 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3137 if (!mHasFeature) { 3138 return false; 3139 } 3140 enforceFullCrossUsersPermission(userHandle); 3141 synchronized (this) { 3142 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3143 } 3144 } 3145 3146 @Override 3147 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3148 if (!mHasFeature) { 3149 return false; 3150 } 3151 enforceFullCrossUsersPermission(userHandle); 3152 synchronized (this) { 3153 DevicePolicyData policyData = getUserData(userHandle); 3154 return policyData.mRemovingAdmins.contains(adminReceiver); 3155 } 3156 } 3157 3158 @Override 3159 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3160 if (!mHasFeature) { 3161 return false; 3162 } 3163 enforceFullCrossUsersPermission(userHandle); 3164 synchronized (this) { 3165 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3166 if (administrator == null) { 3167 throw new SecurityException("No active admin " + adminReceiver); 3168 } 3169 return administrator.info.usesPolicy(policyId); 3170 } 3171 } 3172 3173 @Override 3174 @SuppressWarnings("unchecked") 3175 public List<ComponentName> getActiveAdmins(int userHandle) { 3176 if (!mHasFeature) { 3177 return Collections.EMPTY_LIST; 3178 } 3179 3180 enforceFullCrossUsersPermission(userHandle); 3181 synchronized (this) { 3182 DevicePolicyData policy = getUserData(userHandle); 3183 final int N = policy.mAdminList.size(); 3184 if (N <= 0) { 3185 return null; 3186 } 3187 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3188 for (int i=0; i<N; i++) { 3189 res.add(policy.mAdminList.get(i).info.getComponent()); 3190 } 3191 return res; 3192 } 3193 } 3194 3195 @Override 3196 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3197 if (!mHasFeature) { 3198 return false; 3199 } 3200 enforceFullCrossUsersPermission(userHandle); 3201 synchronized (this) { 3202 DevicePolicyData policy = getUserData(userHandle); 3203 final int N = policy.mAdminList.size(); 3204 for (int i=0; i<N; i++) { 3205 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3206 return true; 3207 } 3208 } 3209 return false; 3210 } 3211 } 3212 3213 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3214 if (!mHasFeature) { 3215 return; 3216 } 3217 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3218 enforceShell("forceRemoveActiveAdmin"); 3219 long ident = mInjector.binderClearCallingIdentity(); 3220 try { 3221 synchronized (this) { 3222 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3223 throw new SecurityException("Attempt to remove non-test admin " 3224 + adminReceiver + " " + userHandle); 3225 } 3226 3227 // If admin is a device or profile owner tidy that up first. 3228 if (isDeviceOwner(adminReceiver, userHandle)) { 3229 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3230 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userHandle)); 3231 } 3232 if (isProfileOwner(adminReceiver, userHandle)) { 3233 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3234 userHandle, /* parent */ false); 3235 clearProfileOwnerLocked(admin, userHandle); 3236 } 3237 } 3238 // Remove the admin skipping sending the broadcast. 3239 removeAdminArtifacts(adminReceiver, userHandle); 3240 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3241 } finally { 3242 mInjector.binderRestoreCallingIdentity(ident); 3243 } 3244 } 3245 3246 // It's temporary solution to clear DISALLOW_ADD_USER after CTS 3247 // STOPSHIP(b/31952368) when the restriction is moved from system to the device owner, 3248 // it can be removed. 3249 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3250 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3251 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3252 } 3253 } 3254 3255 /** 3256 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3257 * for CTS. 3258 * 3259 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3260 * to check wehter an active admin is test-only or not. 3261 * 3262 * The system allows this flag to be changed when an app is updated, which is not good 3263 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3264 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3265 */ 3266 private boolean isPackageTestOnly(String packageName, int userHandle) { 3267 final ApplicationInfo ai; 3268 try { 3269 ai = mIPackageManager.getApplicationInfo(packageName, 3270 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3271 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3272 } catch (RemoteException e) { 3273 throw new IllegalStateException(e); 3274 } 3275 if (ai == null) { 3276 throw new IllegalStateException("Couldn't find package: " 3277 + packageName + " on user " + userHandle); 3278 } 3279 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3280 } 3281 3282 /** 3283 * See {@link #isPackageTestOnly}. 3284 */ 3285 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3286 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3287 return (admin != null) && admin.testOnlyAdmin; 3288 } 3289 3290 private void enforceShell(String method) { 3291 final int callingUid = Binder.getCallingUid(); 3292 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3293 throw new SecurityException("Non-shell user attempted to call " + method); 3294 } 3295 } 3296 3297 @Override 3298 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3299 if (!mHasFeature) { 3300 return; 3301 } 3302 enforceFullCrossUsersPermission(userHandle); 3303 enforceUserUnlocked(userHandle); 3304 synchronized (this) { 3305 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3306 if (admin == null) { 3307 return; 3308 } 3309 // Active device/profile owners must remain active admins. 3310 if (isDeviceOwner(adminReceiver, userHandle) 3311 || isProfileOwner(adminReceiver, userHandle)) { 3312 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3313 adminReceiver); 3314 return; 3315 } 3316 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3317 mContext.enforceCallingOrSelfPermission( 3318 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3319 } 3320 long ident = mInjector.binderClearCallingIdentity(); 3321 try { 3322 removeActiveAdminLocked(adminReceiver, userHandle); 3323 } finally { 3324 mInjector.binderRestoreCallingIdentity(ident); 3325 } 3326 } 3327 } 3328 3329 @Override 3330 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3331 ComponentName profileOwner = getProfileOwner(userHandle); 3332 // Profile challenge is supported on N or newer release. 3333 return profileOwner != null && 3334 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3335 } 3336 3337 @Override 3338 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3339 if (!mHasFeature) { 3340 return; 3341 } 3342 Preconditions.checkNotNull(who, "ComponentName is null"); 3343 validateQualityConstant(quality); 3344 3345 synchronized (this) { 3346 ActiveAdmin ap = getActiveAdminForCallerLocked( 3347 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3348 if (ap.minimumPasswordMetrics.quality != quality) { 3349 ap.minimumPasswordMetrics.quality = quality; 3350 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3351 } 3352 } 3353 } 3354 3355 @Override 3356 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3357 if (!mHasFeature) { 3358 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3359 } 3360 enforceFullCrossUsersPermission(userHandle); 3361 synchronized (this) { 3362 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3363 3364 if (who != null) { 3365 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3366 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3367 } 3368 3369 // Return the strictest policy across all participating admins. 3370 List<ActiveAdmin> admins = 3371 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3372 final int N = admins.size(); 3373 for (int i = 0; i < N; i++) { 3374 ActiveAdmin admin = admins.get(i); 3375 if (mode < admin.minimumPasswordMetrics.quality) { 3376 mode = admin.minimumPasswordMetrics.quality; 3377 } 3378 } 3379 return mode; 3380 } 3381 } 3382 3383 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3384 int userHandle, boolean parent) { 3385 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3386 // If this user has a separate challenge, only return its restrictions. 3387 return getUserDataUnchecked(userHandle).mAdminList; 3388 } else { 3389 // Return all admins for this user and the profiles that are visible from this 3390 // user that do not use a separate work challenge. 3391 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3392 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3393 DevicePolicyData policy = getUserData(userInfo.id); 3394 if (!userInfo.isManagedProfile()) { 3395 admins.addAll(policy.mAdminList); 3396 } else { 3397 // For managed profiles, we always include the policies set on the parent 3398 // profile. Additionally, we include the ones set on the managed profile 3399 // if no separate challenge is in place. 3400 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3401 final int N = policy.mAdminList.size(); 3402 for (int i = 0; i < N; i++) { 3403 ActiveAdmin admin = policy.mAdminList.get(i); 3404 if (admin.hasParentActiveAdmin()) { 3405 admins.add(admin.getParentActiveAdmin()); 3406 } 3407 if (!hasSeparateChallenge) { 3408 admins.add(admin); 3409 } 3410 } 3411 } 3412 } 3413 return admins; 3414 } 3415 } 3416 3417 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3418 long ident = mInjector.binderClearCallingIdentity(); 3419 try { 3420 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3421 } finally { 3422 mInjector.binderRestoreCallingIdentity(ident); 3423 } 3424 } 3425 3426 @Override 3427 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3428 if (!mHasFeature) { 3429 return; 3430 } 3431 Preconditions.checkNotNull(who, "ComponentName is null"); 3432 synchronized (this) { 3433 ActiveAdmin ap = getActiveAdminForCallerLocked( 3434 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3435 if (ap.minimumPasswordMetrics.length != length) { 3436 ap.minimumPasswordMetrics.length = length; 3437 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3438 } 3439 } 3440 } 3441 3442 @Override 3443 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3444 if (!mHasFeature) { 3445 return 0; 3446 } 3447 enforceFullCrossUsersPermission(userHandle); 3448 synchronized (this) { 3449 int length = 0; 3450 3451 if (who != null) { 3452 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3453 return admin != null ? admin.minimumPasswordMetrics.length : length; 3454 } 3455 3456 // Return the strictest policy across all participating admins. 3457 List<ActiveAdmin> admins = 3458 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3459 final int N = admins.size(); 3460 for (int i = 0; i < N; i++) { 3461 ActiveAdmin admin = admins.get(i); 3462 if (length < admin.minimumPasswordMetrics.length) { 3463 length = admin.minimumPasswordMetrics.length; 3464 } 3465 } 3466 return length; 3467 } 3468 } 3469 3470 @Override 3471 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3472 if (!mHasFeature) { 3473 return; 3474 } 3475 Preconditions.checkNotNull(who, "ComponentName is null"); 3476 synchronized (this) { 3477 ActiveAdmin ap = getActiveAdminForCallerLocked( 3478 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3479 if (ap.passwordHistoryLength != length) { 3480 ap.passwordHistoryLength = length; 3481 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3482 } 3483 } 3484 } 3485 3486 @Override 3487 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3488 if (!mHasFeature) { 3489 return 0; 3490 } 3491 enforceFullCrossUsersPermission(userHandle); 3492 synchronized (this) { 3493 int length = 0; 3494 3495 if (who != null) { 3496 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3497 return admin != null ? admin.passwordHistoryLength : length; 3498 } 3499 3500 // Return the strictest policy across all participating admins. 3501 List<ActiveAdmin> admins = 3502 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3503 final int N = admins.size(); 3504 for (int i = 0; i < N; i++) { 3505 ActiveAdmin admin = admins.get(i); 3506 if (length < admin.passwordHistoryLength) { 3507 length = admin.passwordHistoryLength; 3508 } 3509 } 3510 3511 return length; 3512 } 3513 } 3514 3515 @Override 3516 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3517 if (!mHasFeature) { 3518 return; 3519 } 3520 Preconditions.checkNotNull(who, "ComponentName is null"); 3521 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3522 final int userHandle = mInjector.userHandleGetCallingUserId(); 3523 synchronized (this) { 3524 ActiveAdmin ap = getActiveAdminForCallerLocked( 3525 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3526 // Calling this API automatically bumps the expiration date 3527 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3528 ap.passwordExpirationDate = expiration; 3529 ap.passwordExpirationTimeout = timeout; 3530 if (timeout > 0L) { 3531 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3532 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3533 .format(new Date(expiration))); 3534 } 3535 saveSettingsLocked(userHandle); 3536 3537 // in case this is the first one, set the alarm on the appropriate user. 3538 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3539 } 3540 } 3541 3542 /** 3543 * Return a single admin's expiration cycle time, or the min of all cycle times. 3544 * Returns 0 if not configured. 3545 */ 3546 @Override 3547 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3548 if (!mHasFeature) { 3549 return 0L; 3550 } 3551 enforceFullCrossUsersPermission(userHandle); 3552 synchronized (this) { 3553 long timeout = 0L; 3554 3555 if (who != null) { 3556 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3557 return admin != null ? admin.passwordExpirationTimeout : timeout; 3558 } 3559 3560 // Return the strictest policy across all participating admins. 3561 List<ActiveAdmin> admins = 3562 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3563 final int N = admins.size(); 3564 for (int i = 0; i < N; i++) { 3565 ActiveAdmin admin = admins.get(i); 3566 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3567 && timeout > admin.passwordExpirationTimeout)) { 3568 timeout = admin.passwordExpirationTimeout; 3569 } 3570 } 3571 return timeout; 3572 } 3573 } 3574 3575 @Override 3576 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3577 final int userId = UserHandle.getCallingUserId(); 3578 List<String> changedProviders = null; 3579 3580 synchronized (this) { 3581 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3582 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3583 if (activeAdmin.crossProfileWidgetProviders == null) { 3584 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3585 } 3586 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3587 if (!providers.contains(packageName)) { 3588 providers.add(packageName); 3589 changedProviders = new ArrayList<>(providers); 3590 saveSettingsLocked(userId); 3591 } 3592 } 3593 3594 if (changedProviders != null) { 3595 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3596 return true; 3597 } 3598 3599 return false; 3600 } 3601 3602 @Override 3603 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3604 final int userId = UserHandle.getCallingUserId(); 3605 List<String> changedProviders = null; 3606 3607 synchronized (this) { 3608 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3609 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3610 if (activeAdmin.crossProfileWidgetProviders == null 3611 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3612 return false; 3613 } 3614 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3615 if (providers.remove(packageName)) { 3616 changedProviders = new ArrayList<>(providers); 3617 saveSettingsLocked(userId); 3618 } 3619 } 3620 3621 if (changedProviders != null) { 3622 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3623 return true; 3624 } 3625 3626 return false; 3627 } 3628 3629 @Override 3630 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3631 synchronized (this) { 3632 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3633 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3634 if (activeAdmin.crossProfileWidgetProviders == null 3635 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3636 return null; 3637 } 3638 if (mInjector.binderIsCallingUidMyUid()) { 3639 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3640 } else { 3641 return activeAdmin.crossProfileWidgetProviders; 3642 } 3643 } 3644 } 3645 3646 /** 3647 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3648 * Returns 0 if not configured. 3649 */ 3650 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3651 long timeout = 0L; 3652 3653 if (who != null) { 3654 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3655 return admin != null ? admin.passwordExpirationDate : timeout; 3656 } 3657 3658 // Return the strictest policy across all participating admins. 3659 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3660 final int N = admins.size(); 3661 for (int i = 0; i < N; i++) { 3662 ActiveAdmin admin = admins.get(i); 3663 if (timeout == 0L || (admin.passwordExpirationDate != 0 3664 && timeout > admin.passwordExpirationDate)) { 3665 timeout = admin.passwordExpirationDate; 3666 } 3667 } 3668 return timeout; 3669 } 3670 3671 @Override 3672 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3673 if (!mHasFeature) { 3674 return 0L; 3675 } 3676 enforceFullCrossUsersPermission(userHandle); 3677 synchronized (this) { 3678 return getPasswordExpirationLocked(who, userHandle, parent); 3679 } 3680 } 3681 3682 @Override 3683 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3684 if (!mHasFeature) { 3685 return; 3686 } 3687 Preconditions.checkNotNull(who, "ComponentName is null"); 3688 synchronized (this) { 3689 ActiveAdmin ap = getActiveAdminForCallerLocked( 3690 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3691 if (ap.minimumPasswordMetrics.upperCase != length) { 3692 ap.minimumPasswordMetrics.upperCase = length; 3693 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3694 } 3695 } 3696 } 3697 3698 @Override 3699 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3700 if (!mHasFeature) { 3701 return 0; 3702 } 3703 enforceFullCrossUsersPermission(userHandle); 3704 synchronized (this) { 3705 int length = 0; 3706 3707 if (who != null) { 3708 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3709 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3710 } 3711 3712 // Return the strictest policy across all participating admins. 3713 List<ActiveAdmin> admins = 3714 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3715 final int N = admins.size(); 3716 for (int i = 0; i < N; i++) { 3717 ActiveAdmin admin = admins.get(i); 3718 if (length < admin.minimumPasswordMetrics.upperCase) { 3719 length = admin.minimumPasswordMetrics.upperCase; 3720 } 3721 } 3722 return length; 3723 } 3724 } 3725 3726 @Override 3727 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3728 Preconditions.checkNotNull(who, "ComponentName is null"); 3729 synchronized (this) { 3730 ActiveAdmin ap = getActiveAdminForCallerLocked( 3731 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3732 if (ap.minimumPasswordMetrics.lowerCase != length) { 3733 ap.minimumPasswordMetrics.lowerCase = length; 3734 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3735 } 3736 } 3737 } 3738 3739 @Override 3740 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3741 if (!mHasFeature) { 3742 return 0; 3743 } 3744 enforceFullCrossUsersPermission(userHandle); 3745 synchronized (this) { 3746 int length = 0; 3747 3748 if (who != null) { 3749 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3750 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3751 } 3752 3753 // Return the strictest policy across all participating admins. 3754 List<ActiveAdmin> admins = 3755 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3756 final int N = admins.size(); 3757 for (int i = 0; i < N; i++) { 3758 ActiveAdmin admin = admins.get(i); 3759 if (length < admin.minimumPasswordMetrics.lowerCase) { 3760 length = admin.minimumPasswordMetrics.lowerCase; 3761 } 3762 } 3763 return length; 3764 } 3765 } 3766 3767 @Override 3768 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3769 if (!mHasFeature) { 3770 return; 3771 } 3772 Preconditions.checkNotNull(who, "ComponentName is null"); 3773 synchronized (this) { 3774 ActiveAdmin ap = getActiveAdminForCallerLocked( 3775 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3776 if (ap.minimumPasswordMetrics.letters != length) { 3777 ap.minimumPasswordMetrics.letters = length; 3778 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3779 } 3780 } 3781 } 3782 3783 @Override 3784 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3785 if (!mHasFeature) { 3786 return 0; 3787 } 3788 enforceFullCrossUsersPermission(userHandle); 3789 synchronized (this) { 3790 int length = 0; 3791 3792 if (who != null) { 3793 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3794 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3795 } 3796 3797 // Return the strictest policy across all participating admins. 3798 List<ActiveAdmin> admins = 3799 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3800 final int N = admins.size(); 3801 for (int i = 0; i < N; i++) { 3802 ActiveAdmin admin = admins.get(i); 3803 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3804 continue; 3805 } 3806 if (length < admin.minimumPasswordMetrics.letters) { 3807 length = admin.minimumPasswordMetrics.letters; 3808 } 3809 } 3810 return length; 3811 } 3812 } 3813 3814 @Override 3815 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3816 if (!mHasFeature) { 3817 return; 3818 } 3819 Preconditions.checkNotNull(who, "ComponentName is null"); 3820 synchronized (this) { 3821 ActiveAdmin ap = getActiveAdminForCallerLocked( 3822 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3823 if (ap.minimumPasswordMetrics.numeric != length) { 3824 ap.minimumPasswordMetrics.numeric = length; 3825 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3826 } 3827 } 3828 } 3829 3830 @Override 3831 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3832 if (!mHasFeature) { 3833 return 0; 3834 } 3835 enforceFullCrossUsersPermission(userHandle); 3836 synchronized (this) { 3837 int length = 0; 3838 3839 if (who != null) { 3840 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3841 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3842 } 3843 3844 // Return the strictest policy across all participating admins. 3845 List<ActiveAdmin> admins = 3846 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3847 final int N = admins.size(); 3848 for (int i = 0; i < N; i++) { 3849 ActiveAdmin admin = admins.get(i); 3850 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3851 continue; 3852 } 3853 if (length < admin.minimumPasswordMetrics.numeric) { 3854 length = admin.minimumPasswordMetrics.numeric; 3855 } 3856 } 3857 return length; 3858 } 3859 } 3860 3861 @Override 3862 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3863 if (!mHasFeature) { 3864 return; 3865 } 3866 Preconditions.checkNotNull(who, "ComponentName is null"); 3867 synchronized (this) { 3868 ActiveAdmin ap = getActiveAdminForCallerLocked( 3869 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3870 if (ap.minimumPasswordMetrics.symbols != length) { 3871 ap.minimumPasswordMetrics.symbols = length; 3872 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3873 } 3874 } 3875 } 3876 3877 @Override 3878 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3879 if (!mHasFeature) { 3880 return 0; 3881 } 3882 enforceFullCrossUsersPermission(userHandle); 3883 synchronized (this) { 3884 int length = 0; 3885 3886 if (who != null) { 3887 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3888 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 3889 } 3890 3891 // Return the strictest policy across all participating admins. 3892 List<ActiveAdmin> admins = 3893 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3894 final int N = admins.size(); 3895 for (int i = 0; i < N; i++) { 3896 ActiveAdmin admin = admins.get(i); 3897 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3898 continue; 3899 } 3900 if (length < admin.minimumPasswordMetrics.symbols) { 3901 length = admin.minimumPasswordMetrics.symbols; 3902 } 3903 } 3904 return length; 3905 } 3906 } 3907 3908 @Override 3909 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3910 if (!mHasFeature) { 3911 return; 3912 } 3913 Preconditions.checkNotNull(who, "ComponentName is null"); 3914 synchronized (this) { 3915 ActiveAdmin ap = getActiveAdminForCallerLocked( 3916 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3917 if (ap.minimumPasswordMetrics.nonLetter != length) { 3918 ap.minimumPasswordMetrics.nonLetter = length; 3919 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3920 } 3921 } 3922 } 3923 3924 @Override 3925 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3926 if (!mHasFeature) { 3927 return 0; 3928 } 3929 enforceFullCrossUsersPermission(userHandle); 3930 synchronized (this) { 3931 int length = 0; 3932 3933 if (who != null) { 3934 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3935 return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; 3936 } 3937 3938 // Return the strictest policy across all participating admins. 3939 List<ActiveAdmin> admins = 3940 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3941 final int N = admins.size(); 3942 for (int i = 0; i < N; i++) { 3943 ActiveAdmin admin = admins.get(i); 3944 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3945 continue; 3946 } 3947 if (length < admin.minimumPasswordMetrics.nonLetter) { 3948 length = admin.minimumPasswordMetrics.nonLetter; 3949 } 3950 } 3951 return length; 3952 } 3953 } 3954 3955 @Override 3956 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3957 if (!mHasFeature) { 3958 return true; 3959 } 3960 enforceFullCrossUsersPermission(userHandle); 3961 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(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3966 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3967 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3968 } 3969 } 3970 3971 @Override 3972 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3973 if (!mHasFeature) { 3974 return true; 3975 } 3976 enforceFullCrossUsersPermission(userHandle); 3977 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3978 3979 synchronized (this) { 3980 int targetUser = getProfileParentId(userHandle); 3981 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3982 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3983 } 3984 } 3985 3986 private boolean isActivePasswordSufficientForUserLocked( 3987 DevicePolicyData policy, int userHandle, boolean parent) { 3988 enforceUserUnlocked(userHandle, parent); 3989 3990 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 3991 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 3992 return false; 3993 } 3994 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 3995 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 3996 null, userHandle, parent)) { 3997 return false; 3998 } 3999 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4000 return true; 4001 } 4002 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 4003 null, userHandle, parent) 4004 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 4005 null, userHandle, parent) 4006 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 4007 null, userHandle, parent) 4008 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 4009 null, userHandle, parent) 4010 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 4011 null, userHandle, parent) 4012 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 4013 null, userHandle, parent); 4014 } 4015 4016 @Override 4017 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 4018 enforceFullCrossUsersPermission(userHandle); 4019 synchronized (this) { 4020 if (!isCallerWithSystemUid()) { 4021 // This API can only be called by an active device admin, 4022 // so try to retrieve it to check that the caller is one. 4023 getActiveAdminForCallerLocked( 4024 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4025 } 4026 4027 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 4028 4029 return policy.mFailedPasswordAttempts; 4030 } 4031 } 4032 4033 @Override 4034 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 4035 if (!mHasFeature) { 4036 return; 4037 } 4038 Preconditions.checkNotNull(who, "ComponentName is null"); 4039 synchronized (this) { 4040 // This API can only be called by an active device admin, 4041 // so try to retrieve it to check that the caller is one. 4042 getActiveAdminForCallerLocked( 4043 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 4044 ActiveAdmin ap = getActiveAdminForCallerLocked( 4045 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4046 if (ap.maximumFailedPasswordsForWipe != num) { 4047 ap.maximumFailedPasswordsForWipe = num; 4048 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 4049 } 4050 } 4051 } 4052 4053 @Override 4054 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 4055 if (!mHasFeature) { 4056 return 0; 4057 } 4058 enforceFullCrossUsersPermission(userHandle); 4059 synchronized (this) { 4060 ActiveAdmin admin = (who != null) 4061 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 4062 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 4063 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 4064 } 4065 } 4066 4067 @Override 4068 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 4069 if (!mHasFeature) { 4070 return UserHandle.USER_NULL; 4071 } 4072 enforceFullCrossUsersPermission(userHandle); 4073 synchronized (this) { 4074 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4075 userHandle, parent); 4076 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 4077 } 4078 } 4079 4080 /** 4081 * Returns the admin with the strictest policy on maximum failed passwords for: 4082 * <ul> 4083 * <li>this user if it has a separate profile challenge, or 4084 * <li>this user and all profiles that don't have their own challenge otherwise. 4085 * </ul> 4086 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 4087 * the primary profile. 4088 * Returns {@code null} if no participating admin has that policy set. 4089 */ 4090 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 4091 int userHandle, boolean parent) { 4092 int count = 0; 4093 ActiveAdmin strictestAdmin = null; 4094 4095 // Return the strictest policy across all participating admins. 4096 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4097 final int N = admins.size(); 4098 for (int i = 0; i < N; i++) { 4099 ActiveAdmin admin = admins.get(i); 4100 if (admin.maximumFailedPasswordsForWipe == 4101 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 4102 continue; // No max number of failed passwords policy set for this profile. 4103 } 4104 4105 // We always favor the primary profile if several profiles have the same value set. 4106 int userId = admin.getUserHandle().getIdentifier(); 4107 if (count == 0 || 4108 count > admin.maximumFailedPasswordsForWipe || 4109 (count == admin.maximumFailedPasswordsForWipe && 4110 getUserInfo(userId).isPrimary())) { 4111 count = admin.maximumFailedPasswordsForWipe; 4112 strictestAdmin = admin; 4113 } 4114 } 4115 return strictestAdmin; 4116 } 4117 4118 private UserInfo getUserInfo(@UserIdInt int userId) { 4119 final long token = mInjector.binderClearCallingIdentity(); 4120 try { 4121 return mUserManager.getUserInfo(userId); 4122 } finally { 4123 mInjector.binderRestoreCallingIdentity(token); 4124 } 4125 } 4126 4127 @Override 4128 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 4129 if (!mHasFeature) { 4130 return false; 4131 } 4132 final int callingUid = mInjector.binderGetCallingUid(); 4133 final int userHandle = mInjector.userHandleGetCallingUserId(); 4134 4135 String password = passwordOrNull != null ? passwordOrNull : ""; 4136 4137 // Password resetting to empty/null is not allowed for managed profiles. 4138 if (TextUtils.isEmpty(password)) { 4139 enforceNotManagedProfile(userHandle, "clear the active password"); 4140 } 4141 4142 int quality; 4143 synchronized (this) { 4144 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4145 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4146 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4147 final boolean preN; 4148 if (admin != null) { 4149 preN = getTargetSdk(admin.info.getPackageName(), 4150 userHandle) <= android.os.Build.VERSION_CODES.M; 4151 } else { 4152 // Otherwise, make sure the caller has any active admin with the right policy. 4153 admin = getActiveAdminForCallerLocked(null, 4154 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4155 preN = getTargetSdk(admin.info.getPackageName(), 4156 userHandle) <= android.os.Build.VERSION_CODES.M; 4157 4158 // As of N, password resetting to empty/null is not allowed anymore. 4159 // TODO Should we allow DO/PO to set an empty password? 4160 if (TextUtils.isEmpty(password)) { 4161 if (!preN) { 4162 throw new SecurityException("Cannot call with null password"); 4163 } else { 4164 Slog.e(LOG_TAG, "Cannot call with null password"); 4165 return false; 4166 } 4167 } 4168 // As of N, password cannot be changed by the admin if it is already set. 4169 if (isLockScreenSecureUnchecked(userHandle)) { 4170 if (!preN) { 4171 throw new SecurityException("Admin cannot change current password"); 4172 } else { 4173 Slog.e(LOG_TAG, "Admin cannot change current password"); 4174 return false; 4175 } 4176 } 4177 } 4178 // Do not allow to reset password when current user has a managed profile 4179 if (!isManagedProfile(userHandle)) { 4180 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4181 if (userInfo.isManagedProfile()) { 4182 if (!preN) { 4183 throw new IllegalStateException( 4184 "Cannot reset password on user has managed profile"); 4185 } else { 4186 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4187 return false; 4188 } 4189 } 4190 } 4191 } 4192 // Do not allow to reset password when user is locked 4193 if (!mUserManager.isUserUnlocked(userHandle)) { 4194 if (!preN) { 4195 throw new IllegalStateException("Cannot reset password when user is locked"); 4196 } else { 4197 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4198 return false; 4199 } 4200 } 4201 4202 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4203 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4204 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4205 } 4206 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4207 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4208 final int realQuality = metrics.quality; 4209 if (realQuality < quality 4210 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4211 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4212 + Integer.toHexString(realQuality) 4213 + " does not meet required quality 0x" 4214 + Integer.toHexString(quality)); 4215 return false; 4216 } 4217 quality = Math.max(realQuality, quality); 4218 } 4219 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4220 if (password.length() < length) { 4221 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4222 + " does not meet required length " + length); 4223 return false; 4224 } 4225 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4226 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4227 if(metrics.letters < neededLetters) { 4228 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4229 + " does not meet required number of letters " + neededLetters); 4230 return false; 4231 } 4232 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4233 if (metrics.numeric < neededNumeric) { 4234 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4235 + " does not meet required number of numerical digits " 4236 + neededNumeric); 4237 return false; 4238 } 4239 int neededLowerCase = getPasswordMinimumLowerCase( 4240 null, userHandle, /* parent */ false); 4241 if (metrics.lowerCase < neededLowerCase) { 4242 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4243 + metrics.lowerCase 4244 + " does not meet required number of lowercase letters " 4245 + neededLowerCase); 4246 return false; 4247 } 4248 int neededUpperCase = getPasswordMinimumUpperCase( 4249 null, userHandle, /* parent */ false); 4250 if (metrics.upperCase < neededUpperCase) { 4251 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4252 + metrics.upperCase 4253 + " does not meet required number of uppercase letters " 4254 + neededUpperCase); 4255 return false; 4256 } 4257 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4258 if (metrics.symbols < neededSymbols) { 4259 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4260 + " does not meet required number of special symbols " + neededSymbols); 4261 return false; 4262 } 4263 int neededNonLetter = getPasswordMinimumNonLetter( 4264 null, userHandle, /* parent */ false); 4265 if (metrics.nonLetter < neededNonLetter) { 4266 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4267 + metrics.nonLetter 4268 + " does not meet required number of non-letter characters " 4269 + neededNonLetter); 4270 return false; 4271 } 4272 } 4273 } 4274 4275 DevicePolicyData policy = getUserData(userHandle); 4276 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4277 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4278 return false; 4279 } 4280 4281 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4282 boolean doNotAskCredentialsOnBoot = 4283 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4284 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4285 setDoNotAskCredentialsOnBoot(); 4286 } 4287 4288 // Don't do this with the lock held, because it is going to call 4289 // back in to the service. 4290 final long ident = mInjector.binderClearCallingIdentity(); 4291 try { 4292 if (!TextUtils.isEmpty(password)) { 4293 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4294 } else { 4295 mLockPatternUtils.clearLock(userHandle); 4296 } 4297 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4298 if (requireEntry) { 4299 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4300 UserHandle.USER_ALL); 4301 } 4302 synchronized (this) { 4303 int newOwner = requireEntry ? callingUid : -1; 4304 if (policy.mPasswordOwner != newOwner) { 4305 policy.mPasswordOwner = newOwner; 4306 saveSettingsLocked(userHandle); 4307 } 4308 } 4309 } finally { 4310 mInjector.binderRestoreCallingIdentity(ident); 4311 } 4312 4313 return true; 4314 } 4315 4316 private boolean isLockScreenSecureUnchecked(int userId) { 4317 long ident = mInjector.binderClearCallingIdentity(); 4318 try { 4319 return mLockPatternUtils.isSecure(userId); 4320 } finally { 4321 mInjector.binderRestoreCallingIdentity(ident); 4322 } 4323 } 4324 4325 private void setDoNotAskCredentialsOnBoot() { 4326 synchronized (this) { 4327 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4328 if (!policyData.doNotAskCredentialsOnBoot) { 4329 policyData.doNotAskCredentialsOnBoot = true; 4330 saveSettingsLocked(UserHandle.USER_SYSTEM); 4331 } 4332 } 4333 } 4334 4335 @Override 4336 public boolean getDoNotAskCredentialsOnBoot() { 4337 mContext.enforceCallingOrSelfPermission( 4338 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4339 synchronized (this) { 4340 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4341 return policyData.doNotAskCredentialsOnBoot; 4342 } 4343 } 4344 4345 @Override 4346 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4347 if (!mHasFeature) { 4348 return; 4349 } 4350 Preconditions.checkNotNull(who, "ComponentName is null"); 4351 final int userHandle = mInjector.userHandleGetCallingUserId(); 4352 synchronized (this) { 4353 ActiveAdmin ap = getActiveAdminForCallerLocked( 4354 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4355 if (ap.maximumTimeToUnlock != timeMs) { 4356 ap.maximumTimeToUnlock = timeMs; 4357 saveSettingsLocked(userHandle); 4358 updateMaximumTimeToLockLocked(userHandle); 4359 } 4360 } 4361 } 4362 4363 void updateMaximumTimeToLockLocked(int userHandle) { 4364 // Calculate the min timeout for all profiles - including the ones with a separate 4365 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4366 // challenge only and keep the screen on. However there is no easy way of doing that at the 4367 // moment so we set the screen off timeout regardless of whether it affects the parent user 4368 // or the profile challenge only. 4369 long timeMs = Long.MAX_VALUE; 4370 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4371 for (int profileId : profileIds) { 4372 DevicePolicyData policy = getUserDataUnchecked(profileId); 4373 final int N = policy.mAdminList.size(); 4374 for (int i = 0; i < N; i++) { 4375 ActiveAdmin admin = policy.mAdminList.get(i); 4376 if (admin.maximumTimeToUnlock > 0 4377 && timeMs > admin.maximumTimeToUnlock) { 4378 timeMs = admin.maximumTimeToUnlock; 4379 } 4380 // If userInfo.id is a managed profile, we also need to look at 4381 // the policies set on the parent. 4382 if (admin.hasParentActiveAdmin()) { 4383 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4384 if (parentAdmin.maximumTimeToUnlock > 0 4385 && timeMs > parentAdmin.maximumTimeToUnlock) { 4386 timeMs = parentAdmin.maximumTimeToUnlock; 4387 } 4388 } 4389 } 4390 } 4391 4392 // We only store the last maximum time to lock on the parent profile. So if calling from a 4393 // managed profile, retrieve the policy for the parent. 4394 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4395 if (policy.mLastMaximumTimeToLock == timeMs) { 4396 return; 4397 } 4398 policy.mLastMaximumTimeToLock = timeMs; 4399 4400 final long ident = mInjector.binderClearCallingIdentity(); 4401 try { 4402 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4403 // Make sure KEEP_SCREEN_ON is disabled, since that 4404 // would allow bypassing of the maximum time to lock. 4405 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4406 } 4407 4408 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4409 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4410 } finally { 4411 mInjector.binderRestoreCallingIdentity(ident); 4412 } 4413 } 4414 4415 @Override 4416 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4417 if (!mHasFeature) { 4418 return 0; 4419 } 4420 enforceFullCrossUsersPermission(userHandle); 4421 synchronized (this) { 4422 if (who != null) { 4423 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4424 return admin != null ? admin.maximumTimeToUnlock : 0; 4425 } 4426 // Return the strictest policy across all participating admins. 4427 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4428 userHandle, parent); 4429 return getMaximumTimeToLockPolicyFromAdmins(admins); 4430 } 4431 } 4432 4433 @Override 4434 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4435 if (!mHasFeature) { 4436 return 0; 4437 } 4438 enforceFullCrossUsersPermission(userHandle); 4439 synchronized (this) { 4440 // All admins for this user. 4441 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4442 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4443 DevicePolicyData policy = getUserData(userInfo.id); 4444 admins.addAll(policy.mAdminList); 4445 // If it is a managed profile, it may have parent active admins 4446 if (userInfo.isManagedProfile()) { 4447 for (ActiveAdmin admin : policy.mAdminList) { 4448 if (admin.hasParentActiveAdmin()) { 4449 admins.add(admin.getParentActiveAdmin()); 4450 } 4451 } 4452 } 4453 } 4454 return getMaximumTimeToLockPolicyFromAdmins(admins); 4455 } 4456 } 4457 4458 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4459 long time = 0; 4460 final int N = admins.size(); 4461 for (int i = 0; i < N; i++) { 4462 ActiveAdmin admin = admins.get(i); 4463 if (time == 0) { 4464 time = admin.maximumTimeToUnlock; 4465 } else if (admin.maximumTimeToUnlock != 0 4466 && time > admin.maximumTimeToUnlock) { 4467 time = admin.maximumTimeToUnlock; 4468 } 4469 } 4470 return time; 4471 } 4472 4473 @Override 4474 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4475 boolean parent) { 4476 if (!mHasFeature) { 4477 return; 4478 } 4479 Preconditions.checkNotNull(who, "ComponentName is null"); 4480 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4481 // timeoutMs with value 0 means that the admin doesn't participate 4482 // timeoutMs is clamped to the interval in case the internal constants change in the future 4483 final long minimumStrongAuthTimeout = getMinimumStrongAuthTimeoutMs(); 4484 if (timeoutMs != 0 && timeoutMs < minimumStrongAuthTimeout) { 4485 timeoutMs = minimumStrongAuthTimeout; 4486 } 4487 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4488 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4489 } 4490 4491 final int userHandle = mInjector.userHandleGetCallingUserId(); 4492 synchronized (this) { 4493 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4494 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4495 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4496 ap.strongAuthUnlockTimeout = timeoutMs; 4497 saveSettingsLocked(userHandle); 4498 } 4499 } 4500 } 4501 4502 /** 4503 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4504 * admins if who is null. 4505 * Returns 0 if not configured for the provided admin. 4506 */ 4507 @Override 4508 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4509 if (!mHasFeature) { 4510 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4511 } 4512 enforceFullCrossUsersPermission(userId); 4513 synchronized (this) { 4514 if (who != null) { 4515 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4516 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4517 } 4518 4519 // Return the strictest policy across all participating admins. 4520 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4521 4522 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4523 for (int i = 0; i < admins.size(); i++) { 4524 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4525 if (timeout != 0) { // take only participating admins into account 4526 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4527 } 4528 } 4529 return Math.max(strongAuthUnlockTimeout, getMinimumStrongAuthTimeoutMs()); 4530 } 4531 } 4532 4533 private long getMinimumStrongAuthTimeoutMs() { 4534 if (!mInjector.isBuildDebuggable()) { 4535 return MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4536 } 4537 // ideally the property was named persist.sys.min_strong_auth_timeout, but system property 4538 // name cannot be longer than 31 characters 4539 return Math.min(mInjector.systemPropertiesGetLong("persist.sys.min_str_auth_timeo", 4540 MINIMUM_STRONG_AUTH_TIMEOUT_MS), 4541 MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4542 } 4543 4544 @Override 4545 public void lockNow(int flags, boolean parent) { 4546 if (!mHasFeature) { 4547 return; 4548 } 4549 4550 final int callingUserId = mInjector.userHandleGetCallingUserId(); 4551 synchronized (this) { 4552 // This API can only be called by an active device admin, 4553 // so try to retrieve it to check that the caller is one. 4554 final ActiveAdmin admin = getActiveAdminForCallerLocked( 4555 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4556 4557 final long ident = mInjector.binderClearCallingIdentity(); 4558 try { 4559 // Evict key 4560 if ((flags & DevicePolicyManager.FLAG_EVICT_CE_KEY) != 0) { 4561 enforceManagedProfile(callingUserId, "set FLAG_EVICT_CE_KEY"); 4562 if (!isProfileOwner(admin.info.getComponent(), callingUserId)) { 4563 throw new SecurityException( 4564 "Only profile owner admins can set FLAG_EVICT_CE_KEY"); 4565 } 4566 if (parent) { 4567 throw new IllegalArgumentException( 4568 "Cannot set FLAG_EVICT_CE_KEY for the parent"); 4569 } 4570 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 4571 throw new UnsupportedOperationException( 4572 "FLAG_EVICT_CE_KEY only applies to FBE devices"); 4573 } 4574 mUserManager.evictCredentialEncryptionKey(callingUserId); 4575 } 4576 4577 // Lock all users unless this is a managed profile with a separate challenge 4578 final int userToLock = (parent || !isSeparateProfileChallengeEnabled(callingUserId) 4579 ? UserHandle.USER_ALL : callingUserId); 4580 mLockPatternUtils.requireStrongAuth( 4581 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4582 4583 // Require authentication for the device or profile 4584 if (userToLock == UserHandle.USER_ALL) { 4585 // Power off the display 4586 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4587 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4588 mInjector.getIWindowManager().lockNow(null); 4589 } else { 4590 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4591 } 4592 } catch (RemoteException e) { 4593 } finally { 4594 mInjector.binderRestoreCallingIdentity(ident); 4595 } 4596 } 4597 } 4598 4599 @Override 4600 public void enforceCanManageCaCerts(ComponentName who, String callerPackage) { 4601 if (who == null) { 4602 if (!isCallerDelegate(callerPackage, DELEGATION_CERT_INSTALL)) { 4603 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4604 } 4605 } else { 4606 enforceProfileOrDeviceOwner(who); 4607 } 4608 } 4609 4610 private void enforceProfileOrDeviceOwner(ComponentName who) { 4611 synchronized (this) { 4612 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4613 } 4614 } 4615 4616 @Override 4617 public boolean approveCaCert(String alias, int userId, boolean approval) { 4618 enforceManageUsers(); 4619 synchronized (this) { 4620 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4621 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4622 if (!changed) { 4623 return false; 4624 } 4625 saveSettingsLocked(userId); 4626 } 4627 new MonitoringCertNotificationTask().execute(userId); 4628 return true; 4629 } 4630 4631 @Override 4632 public boolean isCaCertApproved(String alias, int userId) { 4633 enforceManageUsers(); 4634 synchronized (this) { 4635 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4636 } 4637 } 4638 4639 private void removeCaApprovalsIfNeeded(int userId) { 4640 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4641 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4642 if (userInfo.isManagedProfile()){ 4643 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4644 } 4645 if (!isSecure) { 4646 synchronized (this) { 4647 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4648 saveSettingsLocked(userInfo.id); 4649 } 4650 4651 new MonitoringCertNotificationTask().execute(userInfo.id); 4652 } 4653 } 4654 } 4655 4656 @Override 4657 public boolean installCaCert(ComponentName admin, String callerPackage, byte[] certBuffer) 4658 throws RemoteException { 4659 enforceCanManageCaCerts(admin, callerPackage); 4660 4661 byte[] pemCert; 4662 try { 4663 X509Certificate cert = parseCert(certBuffer); 4664 pemCert = Credentials.convertToPem(cert); 4665 } catch (CertificateException ce) { 4666 Log.e(LOG_TAG, "Problem converting cert", ce); 4667 return false; 4668 } catch (IOException ioe) { 4669 Log.e(LOG_TAG, "Problem reading cert", ioe); 4670 return false; 4671 } 4672 4673 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4674 final long id = mInjector.binderClearCallingIdentity(); 4675 try { 4676 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4677 try { 4678 keyChainConnection.getService().installCaCertificate(pemCert); 4679 return true; 4680 } catch (RemoteException e) { 4681 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4682 } finally { 4683 keyChainConnection.close(); 4684 } 4685 } catch (InterruptedException e1) { 4686 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4687 Thread.currentThread().interrupt(); 4688 } finally { 4689 mInjector.binderRestoreCallingIdentity(id); 4690 } 4691 return false; 4692 } 4693 4694 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4695 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4696 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4697 certBuffer)); 4698 } 4699 4700 @Override 4701 public void uninstallCaCerts(ComponentName admin, String callerPackage, String[] aliases) { 4702 enforceCanManageCaCerts(admin, callerPackage); 4703 4704 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4705 final long id = mInjector.binderClearCallingIdentity(); 4706 try { 4707 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4708 try { 4709 for (int i = 0 ; i < aliases.length; i++) { 4710 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4711 } 4712 } catch (RemoteException e) { 4713 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4714 } finally { 4715 keyChainConnection.close(); 4716 } 4717 } catch (InterruptedException ie) { 4718 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4719 Thread.currentThread().interrupt(); 4720 } finally { 4721 mInjector.binderRestoreCallingIdentity(id); 4722 } 4723 } 4724 4725 @Override 4726 public boolean installKeyPair(ComponentName who, String callerPackage, byte[] privKey, 4727 byte[] cert, byte[] chain, String alias, boolean requestAccess) { 4728 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4729 DELEGATION_CERT_INSTALL); 4730 4731 4732 final int callingUid = mInjector.binderGetCallingUid(); 4733 final long id = mInjector.binderClearCallingIdentity(); 4734 try { 4735 final KeyChainConnection keyChainConnection = 4736 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4737 try { 4738 IKeyChainService keyChain = keyChainConnection.getService(); 4739 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4740 return false; 4741 } 4742 if (requestAccess) { 4743 keyChain.setGrant(callingUid, alias, true); 4744 } 4745 return true; 4746 } catch (RemoteException e) { 4747 Log.e(LOG_TAG, "Installing certificate", e); 4748 } finally { 4749 keyChainConnection.close(); 4750 } 4751 } catch (InterruptedException e) { 4752 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4753 Thread.currentThread().interrupt(); 4754 } finally { 4755 mInjector.binderRestoreCallingIdentity(id); 4756 } 4757 return false; 4758 } 4759 4760 @Override 4761 public boolean removeKeyPair(ComponentName who, String callerPackage, String alias) { 4762 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4763 DELEGATION_CERT_INSTALL); 4764 4765 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4766 final long id = Binder.clearCallingIdentity(); 4767 try { 4768 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4769 try { 4770 IKeyChainService keyChain = keyChainConnection.getService(); 4771 return keyChain.removeKeyPair(alias); 4772 } catch (RemoteException e) { 4773 Log.e(LOG_TAG, "Removing keypair", e); 4774 } finally { 4775 keyChainConnection.close(); 4776 } 4777 } catch (InterruptedException e) { 4778 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4779 Thread.currentThread().interrupt(); 4780 } finally { 4781 Binder.restoreCallingIdentity(id); 4782 } 4783 return false; 4784 } 4785 4786 @Override 4787 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4788 final IBinder response) { 4789 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4790 if (!isCallerWithSystemUid()) { 4791 return; 4792 } 4793 4794 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4795 // If there is a profile owner, redirect to that; otherwise query the device owner. 4796 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4797 if (aliasChooser == null && caller.isSystem()) { 4798 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4799 if (deviceOwnerAdmin != null) { 4800 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4801 } 4802 } 4803 if (aliasChooser == null) { 4804 sendPrivateKeyAliasResponse(null, response); 4805 return; 4806 } 4807 4808 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4809 intent.setComponent(aliasChooser); 4810 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4811 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4812 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4813 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4814 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4815 4816 final long id = mInjector.binderClearCallingIdentity(); 4817 try { 4818 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4819 @Override 4820 public void onReceive(Context context, Intent intent) { 4821 final String chosenAlias = getResultData(); 4822 sendPrivateKeyAliasResponse(chosenAlias, response); 4823 } 4824 }, null, Activity.RESULT_OK, null, null); 4825 } finally { 4826 mInjector.binderRestoreCallingIdentity(id); 4827 } 4828 } 4829 4830 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4831 final IKeyChainAliasCallback keyChainAliasResponse = 4832 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4833 new AsyncTask<Void, Void, Void>() { 4834 @Override 4835 protected Void doInBackground(Void... unused) { 4836 try { 4837 keyChainAliasResponse.alias(alias); 4838 } catch (Exception e) { 4839 // Catch everything (not just RemoteException): caller could throw a 4840 // RuntimeException back across processes. 4841 Log.e(LOG_TAG, "error while responding to callback", e); 4842 } 4843 return null; 4844 } 4845 }.execute(); 4846 } 4847 4848 /** 4849 * Set the scopes of a device owner or profile owner delegate. 4850 * 4851 * @param who the device owner or profile owner. 4852 * @param delegatePackage the name of the delegate package. 4853 * @param scopes the list of delegation scopes to be given to the delegate package. 4854 */ 4855 @Override 4856 public void setDelegatedScopes(ComponentName who, String delegatePackage, 4857 List<String> scopes) throws SecurityException { 4858 Preconditions.checkNotNull(who, "ComponentName is null"); 4859 Preconditions.checkStringNotEmpty(delegatePackage, "Delegate package is null or empty"); 4860 Preconditions.checkCollectionElementsNotNull(scopes, "Scopes"); 4861 // Remove possible duplicates. 4862 scopes = new ArrayList(new ArraySet(scopes)); 4863 // Ensure given scopes are valid. 4864 if (scopes.retainAll(Arrays.asList(DELEGATIONS))) { 4865 throw new IllegalArgumentException("Unexpected delegation scopes"); 4866 } 4867 4868 // Retrieve the user ID of the calling process. 4869 final int userId = mInjector.userHandleGetCallingUserId(); 4870 synchronized (this) { 4871 // Ensure calling process is device/profile owner. 4872 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4873 // Ensure the delegate is installed (skip this for DELEGATION_CERT_INSTALL in pre-N). 4874 if (scopes.size() == 1 && scopes.get(0).equals(DELEGATION_CERT_INSTALL) || 4875 getTargetSdk(who.getPackageName(), userId) >= Build.VERSION_CODES.N) { 4876 // Throw when the delegate package is not installed. 4877 if (!isPackageInstalledForUser(delegatePackage, userId)) { 4878 throw new IllegalArgumentException("Package " + delegatePackage 4879 + " is not installed on the current user"); 4880 } 4881 } 4882 4883 // Set the new delegate in user policies. 4884 final DevicePolicyData policy = getUserData(userId); 4885 if (!scopes.isEmpty()) { 4886 policy.mDelegationMap.put(delegatePackage, new ArrayList<>(scopes)); 4887 } else { 4888 // Remove any delegation info if the given scopes list is empty. 4889 policy.mDelegationMap.remove(delegatePackage); 4890 } 4891 4892 // Notify delegate package of updates. 4893 final Intent intent = new Intent( 4894 DevicePolicyManager.ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED); 4895 // Only call receivers registered in the manifest (don’t wake app if not running). 4896 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 4897 // Limit components this intent resolves to to the delegate package. 4898 intent.setPackage(delegatePackage); 4899 // Include the list of delegated scopes as an extra. 4900 intent.putExtra(DevicePolicyManager.EXTRA_DELEGATION_SCOPES, scopes.toArray()); 4901 // Send the broadcast. 4902 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 4903 4904 // Persist updates. 4905 saveSettingsLocked(userId); 4906 } 4907 } 4908 4909 /** 4910 * Get the delegation scopes given to a delegate package by a device owner or profile owner. 4911 * 4912 * A DO/PO can get the scopes of any package. A non DO/PO package can get its own scopes by 4913 * passing in {@code null} as the {@code who} parameter and its own name as the 4914 * {@code delegatepackage}. 4915 * 4916 * @param who the device owner or profile owner, or {@code null} if the caller is 4917 * {@code delegatePackage}. 4918 * @param delegatePackage the name of the delegate package whose scopes are to be retrieved. 4919 * @return a list of the delegation scopes currently given to {@code delegatePackage}. 4920 */ 4921 @Override 4922 @NonNull 4923 public List<String> getDelegatedScopes(ComponentName who, 4924 String delegatePackage) throws SecurityException { 4925 Preconditions.checkNotNull(delegatePackage, "Delegate package is null"); 4926 4927 // Retrieve the user ID of the calling process. 4928 final int callingUid = mInjector.binderGetCallingUid(); 4929 final int userId = UserHandle.getUserId(callingUid); 4930 synchronized (this) { 4931 // Ensure calling process is device/profile owner. 4932 if (who != null) { 4933 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4934 // Or ensure calling process is delegatePackage itself. 4935 } else { 4936 int uid = 0; 4937 try { 4938 uid = mInjector.getPackageManager() 4939 .getPackageUidAsUser(delegatePackage, userId); 4940 } catch(NameNotFoundException e) { 4941 } 4942 if (uid != callingUid) { 4943 throw new SecurityException("Caller with uid " + callingUid + " is not " 4944 + delegatePackage); 4945 } 4946 } 4947 final DevicePolicyData policy = getUserData(userId); 4948 // Retrieve the scopes assigned to delegatePackage, or null if no scope was given. 4949 final List<String> scopes = policy.mDelegationMap.get(delegatePackage); 4950 return scopes == null ? Collections.EMPTY_LIST : scopes; 4951 } 4952 } 4953 4954 /** 4955 * Get a list of packages that were given a specific delegation scopes by a device owner or 4956 * profile owner. 4957 * 4958 * @param who the device owner or profile owner. 4959 * @param scope the scope whose delegates are to be retrieved. 4960 * @return a list of the delegate packages currently given the {@code scope} delegation. 4961 */ 4962 @NonNull 4963 public List<String> getDelegatePackages(ComponentName who, String scope) 4964 throws SecurityException { 4965 Preconditions.checkNotNull(who, "ComponentName is null"); 4966 Preconditions.checkNotNull(scope, "Scope is null"); 4967 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 4968 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 4969 } 4970 4971 // Retrieve the user ID of the calling process. 4972 final int userId = mInjector.userHandleGetCallingUserId(); 4973 synchronized (this) { 4974 // Ensure calling process is device/profile owner. 4975 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4976 final DevicePolicyData policy = getUserData(userId); 4977 4978 // Create a list to hold the resulting delegate packages. 4979 final List<String> delegatePackagesWithScope = new ArrayList<>(); 4980 // Add all delegations containing scope to the result list. 4981 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 4982 if (policy.mDelegationMap.valueAt(i).contains(scope)) { 4983 delegatePackagesWithScope.add(policy.mDelegationMap.keyAt(i)); 4984 } 4985 } 4986 return delegatePackagesWithScope; 4987 } 4988 } 4989 4990 /** 4991 * Check whether a caller application has been delegated a given scope via 4992 * {@link #setDelegatedScopes} to access privileged APIs on the behalf of a profile owner or 4993 * device owner. 4994 * <p> 4995 * This is done by checking that {@code callerPackage} was granted {@code scope} delegation and 4996 * then comparing the calling UID with the UID of {@code callerPackage} as reported by 4997 * {@link PackageManager#getPackageUidAsUser}. 4998 * 4999 * @param callerPackage the name of the package that is trying to invoke a function in the DPMS. 5000 * @param scope the delegation scope to be checked. 5001 * @return {@code true} if the calling process is a delegate of {@code scope}. 5002 */ 5003 private boolean isCallerDelegate(String callerPackage, String scope) { 5004 Preconditions.checkNotNull(callerPackage, "callerPackage is null"); 5005 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 5006 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 5007 } 5008 5009 // Retrieve the UID and user ID of the calling process. 5010 final int callingUid = mInjector.binderGetCallingUid(); 5011 final int userId = UserHandle.getUserId(callingUid); 5012 synchronized (this) { 5013 // Retrieve user policy data. 5014 final DevicePolicyData policy = getUserData(userId); 5015 // Retrieve the list of delegation scopes granted to callerPackage. 5016 final List<String> scopes = policy.mDelegationMap.get(callerPackage); 5017 // Check callingUid only if callerPackage has the required scope delegation. 5018 if (scopes != null && scopes.contains(scope)) { 5019 try { 5020 // Retrieve the expected UID for callerPackage. 5021 final int uid = mInjector.getPackageManager() 5022 .getPackageUidAsUser(callerPackage, userId); 5023 // Return true if the caller is actually callerPackage. 5024 return uid == callingUid; 5025 } catch (NameNotFoundException e) { 5026 // Ignore. 5027 } 5028 } 5029 return false; 5030 } 5031 } 5032 5033 /** 5034 * Throw a security exception if a ComponentName is given and it is not a device/profile owner 5035 * or if the calling process is not a delegate of the given scope. 5036 * 5037 * @param who the device owner of profile owner, or null if {@code callerPackage} is a 5038 * {@code scope} delegate. 5039 * @param callerPackage the name of the calling package. Required if {@code who} is 5040 * {@code null}. 5041 * @param reqPolicy the policy used in the API whose access permission is being checked. 5042 * @param scoppe the delegation scope corresponding to the API being checked. 5043 * @throws SecurityException if {@code who} is given and is not an owner for {@code reqPolicy}; 5044 * or when {@code who} is {@code null} and {@code callerPackage} is not a delegate 5045 * of {@code scope}. 5046 */ 5047 private void enforceCanManageScope(ComponentName who, String callerPackage, int reqPolicy, 5048 String scope) { 5049 // If a ComponentName is given ensure it is a device or profile owner according to policy. 5050 if (who != null) { 5051 synchronized (this) { 5052 getActiveAdminForCallerLocked(who, reqPolicy); 5053 } 5054 // If no ComponentName is given ensure calling process has scope delegation. 5055 } else if (!isCallerDelegate(callerPackage, scope)) { 5056 throw new SecurityException("Caller with uid " + mInjector.binderGetCallingUid() 5057 + " is not a delegate of scope " + scope + "."); 5058 } 5059 } 5060 5061 /** 5062 * Helper function to preserve delegation behavior pre-O when using the deprecated functions 5063 * {@code #setCertInstallerPackage} and {@code #setApplicationRestrictionsManagingPackage}. 5064 */ 5065 private void setDelegatedScopePreO(ComponentName who, 5066 String delegatePackage, String scope) { 5067 Preconditions.checkNotNull(who, "ComponentName is null"); 5068 5069 final int userId = mInjector.userHandleGetCallingUserId(); 5070 synchronized(this) { 5071 // Ensure calling process is device/profile owner. 5072 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5073 final DevicePolicyData policy = getUserData(userId); 5074 5075 if (delegatePackage != null) { 5076 // Set package as a delegate for scope if it is not already one. 5077 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 5078 if (scopes == null) { 5079 scopes = new ArrayList<>(); 5080 } 5081 if (!scopes.contains(scope)) { 5082 scopes.add(scope); 5083 setDelegatedScopes(who, delegatePackage, scopes); 5084 } 5085 } 5086 5087 // Clear any existing scope delegates. 5088 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5089 final String currentPackage = policy.mDelegationMap.keyAt(i); 5090 final List<String> currentScopes = policy.mDelegationMap.valueAt(i); 5091 5092 if (!currentPackage.equals(delegatePackage) && currentScopes.remove(scope)) { 5093 setDelegatedScopes(who, currentPackage, currentScopes); 5094 } 5095 } 5096 } 5097 } 5098 5099 @Override 5100 public void setCertInstallerPackage(ComponentName who, String installerPackage) 5101 throws SecurityException { 5102 setDelegatedScopePreO(who, installerPackage, DELEGATION_CERT_INSTALL); 5103 } 5104 5105 @Override 5106 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 5107 final List<String> delegatePackages = getDelegatePackages(who, DELEGATION_CERT_INSTALL); 5108 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 5109 } 5110 5111 /** 5112 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 5113 * not installed and therefore not available. 5114 * 5115 * @throws SecurityException if the caller is not a profile or device owner. 5116 * @throws UnsupportedOperationException if the package does not support being set as always-on. 5117 */ 5118 @Override 5119 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 5120 throws SecurityException { 5121 enforceProfileOrDeviceOwner(admin); 5122 5123 final int userId = mInjector.userHandleGetCallingUserId(); 5124 final long token = mInjector.binderClearCallingIdentity(); 5125 try { 5126 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 5127 return false; 5128 } 5129 ConnectivityManager connectivityManager = (ConnectivityManager) 5130 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5131 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 5132 throw new UnsupportedOperationException(); 5133 } 5134 } finally { 5135 mInjector.binderRestoreCallingIdentity(token); 5136 } 5137 return true; 5138 } 5139 5140 @Override 5141 public String getAlwaysOnVpnPackage(ComponentName admin) 5142 throws SecurityException { 5143 enforceProfileOrDeviceOwner(admin); 5144 5145 final int userId = mInjector.userHandleGetCallingUserId(); 5146 final long token = mInjector.binderClearCallingIdentity(); 5147 try{ 5148 ConnectivityManager connectivityManager = (ConnectivityManager) 5149 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5150 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 5151 } finally { 5152 mInjector.binderRestoreCallingIdentity(token); 5153 } 5154 } 5155 5156 private void forceWipeDeviceNoLock(boolean wipeExtRequested, String reason) { 5157 wtfIfInLock(); 5158 5159 if (wipeExtRequested) { 5160 StorageManager sm = (StorageManager) mContext.getSystemService( 5161 Context.STORAGE_SERVICE); 5162 sm.wipeAdoptableDisks(); 5163 } 5164 try { 5165 mInjector.recoverySystemRebootWipeUserData( 5166 /*shutdown=*/ false, reason, /*force=*/ true); 5167 } catch (IOException | SecurityException e) { 5168 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 5169 } 5170 } 5171 5172 private void forceWipeUser(int userId) { 5173 try { 5174 IActivityManager am = mInjector.getIActivityManager(); 5175 if (am.getCurrentUser().id == userId) { 5176 am.switchUser(UserHandle.USER_SYSTEM); 5177 } 5178 5179 boolean userRemoved = mUserManagerInternal.removeUserEvenWhenDisallowed(userId); 5180 if (!userRemoved) { 5181 Slog.w(LOG_TAG, "Couldn't remove user " + userId); 5182 } else if (isManagedProfile(userId)) { 5183 sendWipeProfileNotification(); 5184 } 5185 } catch (RemoteException re) { 5186 // Shouldn't happen 5187 } 5188 } 5189 5190 @Override 5191 public void wipeData(int flags) { 5192 if (!mHasFeature) { 5193 return; 5194 } 5195 enforceFullCrossUsersPermission(mInjector.userHandleGetCallingUserId()); 5196 5197 final ActiveAdmin admin; 5198 synchronized (this) { 5199 admin = getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_WIPE_DATA); 5200 } 5201 String reason = "DevicePolicyManager.wipeData() from " 5202 + admin.info.getComponent().flattenToShortString(); 5203 wipeDataNoLock( 5204 admin.info.getComponent(), flags, reason, admin.getUserHandle().getIdentifier()); 5205 } 5206 5207 private void wipeDataNoLock(ComponentName admin, int flags, String reason, int userId) { 5208 wtfIfInLock(); 5209 5210 long ident = mInjector.binderClearCallingIdentity(); 5211 try { 5212 // First check whether the admin is allowed to wipe the device/user/profile. 5213 final String restriction; 5214 if (userId == UserHandle.USER_SYSTEM) { 5215 restriction = UserManager.DISALLOW_FACTORY_RESET; 5216 } else if (isManagedProfile(userId)) { 5217 restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; 5218 } else { 5219 restriction = UserManager.DISALLOW_REMOVE_USER; 5220 } 5221 if (isAdminAffectedByRestriction(admin, restriction, userId)) { 5222 throw new SecurityException("Cannot wipe data. " + restriction 5223 + " restriction is set for user " + userId); 5224 } 5225 5226 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 5227 if (!isDeviceOwner(admin, userId)) { 5228 throw new SecurityException( 5229 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 5230 } 5231 PersistentDataBlockManager manager = (PersistentDataBlockManager) 5232 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 5233 if (manager != null) { 5234 manager.wipe(); 5235 } 5236 } 5237 5238 // TODO If split user is enabled and the device owner is set in the primary user 5239 // (rather than system), we should probably trigger factory reset. Current code just 5240 // removes that user (but still clears FRP...) 5241 if (userId == UserHandle.USER_SYSTEM) { 5242 forceWipeDeviceNoLock(/*wipeExtRequested=*/ (flags & WIPE_EXTERNAL_STORAGE) != 0, 5243 reason); 5244 } else { 5245 forceWipeUser(userId); 5246 } 5247 } finally { 5248 mInjector.binderRestoreCallingIdentity(ident); 5249 } 5250 } 5251 5252 private void sendWipeProfileNotification() { 5253 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 5254 Notification notification = new Notification.Builder(mContext) 5255 .setSmallIcon(android.R.drawable.stat_sys_warning) 5256 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 5257 .setContentText(contentText) 5258 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 5259 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 5260 .build(); 5261 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 5262 } 5263 5264 private void clearWipeProfileNotification() { 5265 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 5266 } 5267 5268 @Override 5269 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 5270 if (!mHasFeature) { 5271 return; 5272 } 5273 enforceFullCrossUsersPermission(userHandle); 5274 mContext.enforceCallingOrSelfPermission( 5275 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5276 5277 synchronized (this) { 5278 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 5279 if (admin == null) { 5280 result.sendResult(null); 5281 return; 5282 } 5283 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 5284 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 5285 intent.setComponent(admin.info.getComponent()); 5286 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 5287 null, new BroadcastReceiver() { 5288 @Override 5289 public void onReceive(Context context, Intent intent) { 5290 result.sendResult(getResultExtras(false)); 5291 } 5292 }, null, Activity.RESULT_OK, null, null); 5293 } 5294 } 5295 5296 @Override 5297 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 5298 if (!mHasFeature) { 5299 return; 5300 } 5301 enforceFullCrossUsersPermission(userHandle); 5302 mContext.enforceCallingOrSelfPermission( 5303 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5304 5305 // If the managed profile doesn't have a separate password, set the metrics to default 5306 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 5307 metrics = new PasswordMetrics(); 5308 } 5309 5310 validateQualityConstant(metrics.quality); 5311 DevicePolicyData policy = getUserData(userHandle); 5312 synchronized (this) { 5313 policy.mActivePasswordMetrics = metrics; 5314 } 5315 } 5316 5317 @Override 5318 public void reportPasswordChanged(@UserIdInt int userId) { 5319 if (!mHasFeature) { 5320 return; 5321 } 5322 enforceFullCrossUsersPermission(userId); 5323 5324 // Managed Profile password can only be changed when it has a separate challenge. 5325 if (!isSeparateProfileChallengeEnabled(userId)) { 5326 enforceNotManagedProfile(userId, "set the active password"); 5327 } 5328 5329 mContext.enforceCallingOrSelfPermission( 5330 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5331 5332 DevicePolicyData policy = getUserData(userId); 5333 5334 long ident = mInjector.binderClearCallingIdentity(); 5335 try { 5336 synchronized (this) { 5337 policy.mFailedPasswordAttempts = 0; 5338 saveSettingsLocked(userId); 5339 updatePasswordExpirationsLocked(userId); 5340 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 5341 5342 // Send a broadcast to each profile using this password as its primary unlock. 5343 sendAdminCommandForLockscreenPoliciesLocked( 5344 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 5345 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 5346 } 5347 removeCaApprovalsIfNeeded(userId); 5348 } finally { 5349 mInjector.binderRestoreCallingIdentity(ident); 5350 } 5351 } 5352 5353 /** 5354 * Called any time the device password is updated. Resets all password expiration clocks. 5355 */ 5356 private void updatePasswordExpirationsLocked(int userHandle) { 5357 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 5358 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 5359 userHandle, /* parent */ false); 5360 final int N = admins.size(); 5361 for (int i = 0; i < N; i++) { 5362 ActiveAdmin admin = admins.get(i); 5363 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 5364 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 5365 long timeout = admin.passwordExpirationTimeout; 5366 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 5367 admin.passwordExpirationDate = expiration; 5368 } 5369 } 5370 for (int affectedUserId : affectedUserIds) { 5371 saveSettingsLocked(affectedUserId); 5372 } 5373 } 5374 5375 @Override 5376 public void reportFailedPasswordAttempt(int userHandle) { 5377 enforceFullCrossUsersPermission(userHandle); 5378 if (!isSeparateProfileChallengeEnabled(userHandle)) { 5379 enforceNotManagedProfile(userHandle, 5380 "report failed password attempt if separate profile challenge is not in place"); 5381 } 5382 mContext.enforceCallingOrSelfPermission( 5383 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5384 5385 boolean wipeData = false; 5386 ActiveAdmin strictestAdmin = null; 5387 final long ident = mInjector.binderClearCallingIdentity(); 5388 try { 5389 synchronized (this) { 5390 DevicePolicyData policy = getUserData(userHandle); 5391 policy.mFailedPasswordAttempts++; 5392 saveSettingsLocked(userHandle); 5393 if (mHasFeature) { 5394 strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 5395 userHandle, /* parent */ false); 5396 int max = strictestAdmin != null 5397 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5398 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5399 wipeData = true; 5400 } 5401 5402 sendAdminCommandForLockscreenPoliciesLocked( 5403 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5404 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5405 } 5406 } 5407 } finally { 5408 mInjector.binderRestoreCallingIdentity(ident); 5409 } 5410 5411 if (wipeData && strictestAdmin != null) { 5412 final int userId = strictestAdmin.getUserHandle().getIdentifier(); 5413 Slog.i(LOG_TAG, "Max failed password attempts policy reached for admin: " 5414 + strictestAdmin.info.getComponent().flattenToShortString() 5415 + ". Calling wipeData for user " + userId); 5416 5417 // Attempt to wipe the device/user/profile associated with the admin, as if the 5418 // admin had called wipeData(). That way we can check whether the admin is actually 5419 // allowed to wipe the device (e.g. a regular device admin shouldn't be able to wipe the 5420 // device if the device owner has set DISALLOW_FACTORY_RESET, but the DO should be 5421 // able to do so). 5422 // IMPORTANT: Call without holding the lock to prevent deadlock. 5423 try { 5424 wipeDataNoLock(strictestAdmin.info.getComponent(), 5425 /*flags=*/ 0, 5426 /*reason=*/ "reportFailedPasswordAttempt()", 5427 userId); 5428 } catch (SecurityException e) { 5429 Slog.w(LOG_TAG, "Failed to wipe user " + userId 5430 + " after max failed password attempts reached.", e); 5431 } 5432 } 5433 5434 if (mInjector.securityLogIsLoggingEnabled()) { 5435 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5436 /*method strength*/ 1); 5437 } 5438 } 5439 5440 @Override 5441 public void reportSuccessfulPasswordAttempt(int userHandle) { 5442 enforceFullCrossUsersPermission(userHandle); 5443 mContext.enforceCallingOrSelfPermission( 5444 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5445 5446 synchronized (this) { 5447 DevicePolicyData policy = getUserData(userHandle); 5448 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5449 long ident = mInjector.binderClearCallingIdentity(); 5450 try { 5451 policy.mFailedPasswordAttempts = 0; 5452 policy.mPasswordOwner = -1; 5453 saveSettingsLocked(userHandle); 5454 if (mHasFeature) { 5455 sendAdminCommandForLockscreenPoliciesLocked( 5456 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5457 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5458 } 5459 } finally { 5460 mInjector.binderRestoreCallingIdentity(ident); 5461 } 5462 } 5463 } 5464 5465 if (mInjector.securityLogIsLoggingEnabled()) { 5466 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5467 /*method strength*/ 1); 5468 } 5469 } 5470 5471 @Override 5472 public void reportFailedFingerprintAttempt(int userHandle) { 5473 enforceFullCrossUsersPermission(userHandle); 5474 mContext.enforceCallingOrSelfPermission( 5475 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5476 if (mInjector.securityLogIsLoggingEnabled()) { 5477 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5478 /*method strength*/ 0); 5479 } 5480 } 5481 5482 @Override 5483 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5484 enforceFullCrossUsersPermission(userHandle); 5485 mContext.enforceCallingOrSelfPermission( 5486 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5487 if (mInjector.securityLogIsLoggingEnabled()) { 5488 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5489 /*method strength*/ 0); 5490 } 5491 } 5492 5493 @Override 5494 public void reportKeyguardDismissed(int userHandle) { 5495 enforceFullCrossUsersPermission(userHandle); 5496 mContext.enforceCallingOrSelfPermission( 5497 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5498 5499 if (mInjector.securityLogIsLoggingEnabled()) { 5500 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5501 } 5502 } 5503 5504 @Override 5505 public void reportKeyguardSecured(int userHandle) { 5506 enforceFullCrossUsersPermission(userHandle); 5507 mContext.enforceCallingOrSelfPermission( 5508 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5509 5510 if (mInjector.securityLogIsLoggingEnabled()) { 5511 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5512 } 5513 } 5514 5515 @Override 5516 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5517 String exclusionList) { 5518 if (!mHasFeature) { 5519 return null; 5520 } 5521 synchronized(this) { 5522 Preconditions.checkNotNull(who, "ComponentName is null"); 5523 5524 // Only check if system user has set global proxy. We don't allow other users to set it. 5525 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5526 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5527 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5528 5529 // Scan through active admins and find if anyone has already 5530 // set the global proxy. 5531 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5532 for (ComponentName component : compSet) { 5533 ActiveAdmin ap = policy.mAdminMap.get(component); 5534 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5535 // Another admin already sets the global proxy 5536 // Return it to the caller. 5537 return component; 5538 } 5539 } 5540 5541 // If the user is not system, don't set the global proxy. Fail silently. 5542 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5543 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5544 + UserHandle.getCallingUserId() + " is not permitted."); 5545 return null; 5546 } 5547 if (proxySpec == null) { 5548 admin.specifiesGlobalProxy = false; 5549 admin.globalProxySpec = null; 5550 admin.globalProxyExclusionList = null; 5551 } else { 5552 5553 admin.specifiesGlobalProxy = true; 5554 admin.globalProxySpec = proxySpec; 5555 admin.globalProxyExclusionList = exclusionList; 5556 } 5557 5558 // Reset the global proxy accordingly 5559 // Do this using system permissions, as apps cannot write to secure settings 5560 long origId = mInjector.binderClearCallingIdentity(); 5561 try { 5562 resetGlobalProxyLocked(policy); 5563 } finally { 5564 mInjector.binderRestoreCallingIdentity(origId); 5565 } 5566 return null; 5567 } 5568 } 5569 5570 @Override 5571 public ComponentName getGlobalProxyAdmin(int userHandle) { 5572 if (!mHasFeature) { 5573 return null; 5574 } 5575 enforceFullCrossUsersPermission(userHandle); 5576 synchronized(this) { 5577 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5578 // Scan through active admins and find if anyone has already 5579 // set the global proxy. 5580 final int N = policy.mAdminList.size(); 5581 for (int i = 0; i < N; i++) { 5582 ActiveAdmin ap = policy.mAdminList.get(i); 5583 if (ap.specifiesGlobalProxy) { 5584 // Device admin sets the global proxy 5585 // Return it to the caller. 5586 return ap.info.getComponent(); 5587 } 5588 } 5589 } 5590 // No device admin sets the global proxy. 5591 return null; 5592 } 5593 5594 @Override 5595 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5596 synchronized (this) { 5597 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5598 } 5599 long token = mInjector.binderClearCallingIdentity(); 5600 try { 5601 ConnectivityManager connectivityManager = (ConnectivityManager) 5602 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5603 connectivityManager.setGlobalProxy(proxyInfo); 5604 } finally { 5605 mInjector.binderRestoreCallingIdentity(token); 5606 } 5607 } 5608 5609 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5610 final int N = policy.mAdminList.size(); 5611 for (int i = 0; i < N; i++) { 5612 ActiveAdmin ap = policy.mAdminList.get(i); 5613 if (ap.specifiesGlobalProxy) { 5614 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5615 return; 5616 } 5617 } 5618 // No device admins defining global proxies - reset global proxy settings to none 5619 saveGlobalProxyLocked(null, null); 5620 } 5621 5622 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5623 if (exclusionList == null) { 5624 exclusionList = ""; 5625 } 5626 if (proxySpec == null) { 5627 proxySpec = ""; 5628 } 5629 // Remove white spaces 5630 proxySpec = proxySpec.trim(); 5631 String data[] = proxySpec.split(":"); 5632 int proxyPort = 8080; 5633 if (data.length > 1) { 5634 try { 5635 proxyPort = Integer.parseInt(data[1]); 5636 } catch (NumberFormatException e) {} 5637 } 5638 exclusionList = exclusionList.trim(); 5639 5640 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5641 if (!proxyProperties.isValid()) { 5642 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5643 return; 5644 } 5645 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5646 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5647 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5648 exclusionList); 5649 } 5650 5651 /** 5652 * Set the storage encryption request for a single admin. Returns the new total request 5653 * status (for all admins). 5654 */ 5655 @Override 5656 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5657 if (!mHasFeature) { 5658 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5659 } 5660 Preconditions.checkNotNull(who, "ComponentName is null"); 5661 final int userHandle = UserHandle.getCallingUserId(); 5662 synchronized (this) { 5663 // Check for permissions 5664 // Only system user can set storage encryption 5665 if (userHandle != UserHandle.USER_SYSTEM) { 5666 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5667 + UserHandle.getCallingUserId() + " is not permitted."); 5668 return 0; 5669 } 5670 5671 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5672 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5673 5674 // Quick exit: If the filesystem does not support encryption, we can exit early. 5675 if (!isEncryptionSupported()) { 5676 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5677 } 5678 5679 // (1) Record the value for the admin so it's sticky 5680 if (ap.encryptionRequested != encrypt) { 5681 ap.encryptionRequested = encrypt; 5682 saveSettingsLocked(userHandle); 5683 } 5684 5685 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5686 // (2) Compute "max" for all admins 5687 boolean newRequested = false; 5688 final int N = policy.mAdminList.size(); 5689 for (int i = 0; i < N; i++) { 5690 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5691 } 5692 5693 // Notify OS of new request 5694 setEncryptionRequested(newRequested); 5695 5696 // Return the new global request status 5697 return newRequested 5698 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5699 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5700 } 5701 } 5702 5703 /** 5704 * Get the current storage encryption request status for a given admin, or aggregate of all 5705 * active admins. 5706 */ 5707 @Override 5708 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5709 if (!mHasFeature) { 5710 return false; 5711 } 5712 enforceFullCrossUsersPermission(userHandle); 5713 synchronized (this) { 5714 // Check for permissions if a particular caller is specified 5715 if (who != null) { 5716 // When checking for a single caller, status is based on caller's request 5717 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5718 return ap != null ? ap.encryptionRequested : false; 5719 } 5720 5721 // If no particular caller is specified, return the aggregate set of requests. 5722 // This is short circuited by returning true on the first hit. 5723 DevicePolicyData policy = getUserData(userHandle); 5724 final int N = policy.mAdminList.size(); 5725 for (int i = 0; i < N; i++) { 5726 if (policy.mAdminList.get(i).encryptionRequested) { 5727 return true; 5728 } 5729 } 5730 return false; 5731 } 5732 } 5733 5734 /** 5735 * Get the current encryption status of the device. 5736 */ 5737 @Override 5738 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5739 if (!mHasFeature) { 5740 // Ok to return current status. 5741 } 5742 enforceFullCrossUsersPermission(userHandle); 5743 5744 // It's not critical here, but let's make sure the package name is correct, in case 5745 // we start using it for different purposes. 5746 ensureCallerPackage(callerPackage); 5747 5748 final ApplicationInfo ai; 5749 try { 5750 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5751 } catch (RemoteException e) { 5752 throw new SecurityException(e); 5753 } 5754 5755 boolean legacyApp = false; 5756 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5757 legacyApp = true; 5758 } 5759 5760 final int rawStatus = getEncryptionStatus(); 5761 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5762 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5763 } 5764 return rawStatus; 5765 } 5766 5767 /** 5768 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5769 */ 5770 private boolean isEncryptionSupported() { 5771 // Note, this can be implemented as 5772 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5773 // But is provided as a separate internal method if there's a faster way to do a 5774 // simple check for supported-or-not. 5775 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5776 } 5777 5778 /** 5779 * Hook to low-levels: Reporting the current status of encryption. 5780 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5781 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5782 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5783 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5784 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5785 */ 5786 private int getEncryptionStatus() { 5787 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5788 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5789 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5790 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5791 } else if (mInjector.storageManagerIsEncrypted()) { 5792 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5793 } else if (mInjector.storageManagerIsEncryptable()) { 5794 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5795 } else { 5796 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5797 } 5798 } 5799 5800 /** 5801 * Hook to low-levels: If needed, record the new admin setting for encryption. 5802 */ 5803 private void setEncryptionRequested(boolean encrypt) { 5804 } 5805 5806 /** 5807 * Set whether the screen capture is disabled for the user managed by the specified admin. 5808 */ 5809 @Override 5810 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5811 if (!mHasFeature) { 5812 return; 5813 } 5814 Preconditions.checkNotNull(who, "ComponentName is null"); 5815 final int userHandle = UserHandle.getCallingUserId(); 5816 synchronized (this) { 5817 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5818 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5819 if (ap.disableScreenCapture != disabled) { 5820 ap.disableScreenCapture = disabled; 5821 saveSettingsLocked(userHandle); 5822 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5823 } 5824 } 5825 } 5826 5827 /** 5828 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5829 * active admin (if given admin is null). 5830 */ 5831 @Override 5832 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5833 if (!mHasFeature) { 5834 return false; 5835 } 5836 synchronized (this) { 5837 if (who != null) { 5838 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5839 return (admin != null) ? admin.disableScreenCapture : false; 5840 } 5841 5842 DevicePolicyData policy = getUserData(userHandle); 5843 final int N = policy.mAdminList.size(); 5844 for (int i = 0; i < N; i++) { 5845 ActiveAdmin admin = policy.mAdminList.get(i); 5846 if (admin.disableScreenCapture) { 5847 return true; 5848 } 5849 } 5850 return false; 5851 } 5852 } 5853 5854 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5855 final boolean disabled) { 5856 mHandler.post(new Runnable() { 5857 @Override 5858 public void run() { 5859 try { 5860 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5861 } catch (RemoteException e) { 5862 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5863 } 5864 } 5865 }); 5866 } 5867 5868 /** 5869 * Set whether auto time is required by the specified admin (must be device or profile owner). 5870 */ 5871 @Override 5872 public void setAutoTimeRequired(ComponentName who, boolean required) { 5873 if (!mHasFeature) { 5874 return; 5875 } 5876 Preconditions.checkNotNull(who, "ComponentName is null"); 5877 final int userHandle = UserHandle.getCallingUserId(); 5878 synchronized (this) { 5879 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5880 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5881 if (admin.requireAutoTime != required) { 5882 admin.requireAutoTime = required; 5883 saveSettingsLocked(userHandle); 5884 } 5885 } 5886 5887 // Turn AUTO_TIME on in settings if it is required 5888 if (required) { 5889 long ident = mInjector.binderClearCallingIdentity(); 5890 try { 5891 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5892 } finally { 5893 mInjector.binderRestoreCallingIdentity(ident); 5894 } 5895 } 5896 } 5897 5898 /** 5899 * Returns whether or not auto time is required by the device owner or any profile owner. 5900 */ 5901 @Override 5902 public boolean getAutoTimeRequired() { 5903 if (!mHasFeature) { 5904 return false; 5905 } 5906 synchronized (this) { 5907 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5908 if (deviceOwner != null && deviceOwner.requireAutoTime) { 5909 // If the device owner enforces auto time, we don't need to check the PO's 5910 return true; 5911 } 5912 5913 // Now check to see if any profile owner on any user enforces auto time 5914 for (Integer userId : mOwners.getProfileOwnerKeys()) { 5915 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 5916 if (profileOwner != null && profileOwner.requireAutoTime) { 5917 return true; 5918 } 5919 } 5920 5921 return false; 5922 } 5923 } 5924 5925 @Override 5926 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5927 if (!mHasFeature) { 5928 return; 5929 } 5930 Preconditions.checkNotNull(who, "ComponentName is null"); 5931 // Allow setting this policy to true only if there is a split system user. 5932 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5933 throw new UnsupportedOperationException( 5934 "Cannot force ephemeral users on systems without split system user."); 5935 } 5936 boolean removeAllUsers = false; 5937 synchronized (this) { 5938 final ActiveAdmin deviceOwner = 5939 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5940 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5941 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5942 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5943 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5944 removeAllUsers = forceEphemeralUsers; 5945 } 5946 } 5947 if (removeAllUsers) { 5948 long identitity = mInjector.binderClearCallingIdentity(); 5949 try { 5950 mUserManagerInternal.removeAllUsers(); 5951 } finally { 5952 mInjector.binderRestoreCallingIdentity(identitity); 5953 } 5954 } 5955 } 5956 5957 @Override 5958 public boolean getForceEphemeralUsers(ComponentName who) { 5959 if (!mHasFeature) { 5960 return false; 5961 } 5962 Preconditions.checkNotNull(who, "ComponentName is null"); 5963 synchronized (this) { 5964 final ActiveAdmin deviceOwner = 5965 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5966 return deviceOwner.forceEphemeralUsers; 5967 } 5968 } 5969 5970 private void ensureDeviceOwnerAndAllUsersAffiliated(ComponentName who) throws SecurityException { 5971 synchronized (this) { 5972 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5973 if (!areAllUsersAffiliatedWithDeviceLocked()) { 5974 throw new SecurityException("Not all users are affiliated."); 5975 } 5976 } 5977 } 5978 5979 @Override 5980 public boolean requestBugreport(ComponentName who) { 5981 if (!mHasFeature) { 5982 return false; 5983 } 5984 Preconditions.checkNotNull(who, "ComponentName is null"); 5985 5986 // TODO: If an unaffiliated user is removed, the admin will be able to request a bugreport 5987 // which could still contain data related to that user. Should we disallow that, e.g. until 5988 // next boot? Might not be needed given that this still requires user consent. 5989 ensureDeviceOwnerAndAllUsersAffiliated(who); 5990 5991 if (mRemoteBugreportServiceIsActive.get() 5992 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5993 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5994 return false; 5995 } 5996 5997 final long currentTime = System.currentTimeMillis(); 5998 synchronized (this) { 5999 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6000 if (currentTime > policyData.mLastBugReportRequestTime) { 6001 policyData.mLastBugReportRequestTime = currentTime; 6002 saveSettingsLocked(UserHandle.USER_SYSTEM); 6003 } 6004 } 6005 6006 final long callingIdentity = mInjector.binderClearCallingIdentity(); 6007 try { 6008 mInjector.getIActivityManager().requestBugReport( 6009 ActivityManager.BUGREPORT_OPTION_REMOTE); 6010 6011 mRemoteBugreportServiceIsActive.set(true); 6012 mRemoteBugreportSharingAccepted.set(false); 6013 registerRemoteBugreportReceivers(); 6014 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 6015 RemoteBugreportUtils.NOTIFICATION_ID, 6016 RemoteBugreportUtils.buildNotification(mContext, 6017 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 6018 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 6019 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 6020 return true; 6021 } catch (RemoteException re) { 6022 // should never happen 6023 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 6024 return false; 6025 } finally { 6026 mInjector.binderRestoreCallingIdentity(callingIdentity); 6027 } 6028 } 6029 6030 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 6031 Intent intent = new Intent(action); 6032 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6033 if (extras != null) { 6034 intent.putExtras(extras); 6035 } 6036 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6037 } 6038 6039 private synchronized String getDeviceOwnerRemoteBugreportUri() { 6040 return mOwners.getDeviceOwnerRemoteBugreportUri(); 6041 } 6042 6043 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 6044 String bugreportHash) { 6045 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 6046 } 6047 6048 private void registerRemoteBugreportReceivers() { 6049 try { 6050 IntentFilter filterFinished = new IntentFilter( 6051 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 6052 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6053 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 6054 } catch (IntentFilter.MalformedMimeTypeException e) { 6055 // should never happen, as setting a constant 6056 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 6057 } 6058 IntentFilter filterConsent = new IntentFilter(); 6059 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 6060 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 6061 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 6062 } 6063 6064 private void onBugreportFinished(Intent intent) { 6065 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6066 mRemoteBugreportServiceIsActive.set(false); 6067 Uri bugreportUri = intent.getData(); 6068 String bugreportUriString = null; 6069 if (bugreportUri != null) { 6070 bugreportUriString = bugreportUri.toString(); 6071 } 6072 String bugreportHash = intent.getStringExtra( 6073 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 6074 if (mRemoteBugreportSharingAccepted.get()) { 6075 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6076 mInjector.getNotificationManager().cancel(LOG_TAG, 6077 RemoteBugreportUtils.NOTIFICATION_ID); 6078 } else { 6079 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 6080 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6081 RemoteBugreportUtils.buildNotification(mContext, 6082 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 6083 UserHandle.ALL); 6084 } 6085 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6086 } 6087 6088 private void onBugreportFailed() { 6089 mRemoteBugreportServiceIsActive.set(false); 6090 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6091 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6092 mRemoteBugreportSharingAccepted.set(false); 6093 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6094 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 6095 Bundle extras = new Bundle(); 6096 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6097 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 6098 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6099 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 6100 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6101 } 6102 6103 private void onBugreportSharingAccepted() { 6104 mRemoteBugreportSharingAccepted.set(true); 6105 String bugreportUriString = null; 6106 String bugreportHash = null; 6107 synchronized (this) { 6108 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 6109 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 6110 } 6111 if (bugreportUriString != null) { 6112 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6113 } else if (mRemoteBugreportServiceIsActive.get()) { 6114 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6115 RemoteBugreportUtils.buildNotification(mContext, 6116 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 6117 UserHandle.ALL); 6118 } 6119 } 6120 6121 private void onBugreportSharingDeclined() { 6122 if (mRemoteBugreportServiceIsActive.get()) { 6123 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6124 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6125 mRemoteBugreportServiceIsActive.set(false); 6126 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6127 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6128 } 6129 mRemoteBugreportSharingAccepted.set(false); 6130 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6131 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 6132 } 6133 6134 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 6135 String bugreportHash) { 6136 ParcelFileDescriptor pfd = null; 6137 try { 6138 if (bugreportUriString == null) { 6139 throw new FileNotFoundException(); 6140 } 6141 Uri bugreportUri = Uri.parse(bugreportUriString); 6142 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 6143 6144 synchronized (this) { 6145 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 6146 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6147 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6148 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 6149 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 6150 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 6151 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6152 } 6153 } catch (FileNotFoundException e) { 6154 Bundle extras = new Bundle(); 6155 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6156 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 6157 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6158 } finally { 6159 try { 6160 if (pfd != null) { 6161 pfd.close(); 6162 } 6163 } catch (IOException ex) { 6164 // Ignore 6165 } 6166 mRemoteBugreportSharingAccepted.set(false); 6167 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6168 } 6169 } 6170 6171 /** 6172 * Disables all device cameras according to the specified admin. 6173 */ 6174 @Override 6175 public void setCameraDisabled(ComponentName who, boolean disabled) { 6176 if (!mHasFeature) { 6177 return; 6178 } 6179 Preconditions.checkNotNull(who, "ComponentName is null"); 6180 final int userHandle = mInjector.userHandleGetCallingUserId(); 6181 synchronized (this) { 6182 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 6183 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 6184 if (ap.disableCamera != disabled) { 6185 ap.disableCamera = disabled; 6186 saveSettingsLocked(userHandle); 6187 } 6188 } 6189 // Tell the user manager that the restrictions have changed. 6190 pushUserRestrictions(userHandle); 6191 } 6192 6193 /** 6194 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 6195 * active admins. 6196 */ 6197 @Override 6198 public boolean getCameraDisabled(ComponentName who, int userHandle) { 6199 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 6200 } 6201 6202 private boolean getCameraDisabled(ComponentName who, int userHandle, 6203 boolean mergeDeviceOwnerRestriction) { 6204 if (!mHasFeature) { 6205 return false; 6206 } 6207 synchronized (this) { 6208 if (who != null) { 6209 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6210 return (admin != null) ? admin.disableCamera : false; 6211 } 6212 // First, see if DO has set it. If so, it's device-wide. 6213 if (mergeDeviceOwnerRestriction) { 6214 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6215 if (deviceOwner != null && deviceOwner.disableCamera) { 6216 return true; 6217 } 6218 } 6219 6220 // Then check each device admin on the user. 6221 DevicePolicyData policy = getUserData(userHandle); 6222 // Determine whether or not the device camera is disabled for any active admins. 6223 final int N = policy.mAdminList.size(); 6224 for (int i = 0; i < N; i++) { 6225 ActiveAdmin admin = policy.mAdminList.get(i); 6226 if (admin.disableCamera) { 6227 return true; 6228 } 6229 } 6230 return false; 6231 } 6232 } 6233 6234 @Override 6235 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 6236 if (!mHasFeature) { 6237 return; 6238 } 6239 Preconditions.checkNotNull(who, "ComponentName is null"); 6240 final int userHandle = mInjector.userHandleGetCallingUserId(); 6241 if (isManagedProfile(userHandle)) { 6242 if (parent) { 6243 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 6244 } else { 6245 which = which & PROFILE_KEYGUARD_FEATURES; 6246 } 6247 } 6248 synchronized (this) { 6249 ActiveAdmin ap = getActiveAdminForCallerLocked( 6250 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6251 if (ap.disabledKeyguardFeatures != which) { 6252 ap.disabledKeyguardFeatures = which; 6253 saveSettingsLocked(userHandle); 6254 } 6255 } 6256 } 6257 6258 /** 6259 * Gets the disabled state for features in keyguard for the given admin, 6260 * or the aggregate of all active admins if who is null. 6261 */ 6262 @Override 6263 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 6264 if (!mHasFeature) { 6265 return 0; 6266 } 6267 enforceFullCrossUsersPermission(userHandle); 6268 final long ident = mInjector.binderClearCallingIdentity(); 6269 try { 6270 synchronized (this) { 6271 if (who != null) { 6272 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 6273 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 6274 } 6275 6276 final List<ActiveAdmin> admins; 6277 if (!parent && isManagedProfile(userHandle)) { 6278 // If we are being asked about a managed profile, just return keyguard features 6279 // disabled by admins in the profile. 6280 admins = getUserDataUnchecked(userHandle).mAdminList; 6281 } else { 6282 // Otherwise return those set by admins in the user and its profiles. 6283 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6284 } 6285 6286 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 6287 final int N = admins.size(); 6288 for (int i = 0; i < N; i++) { 6289 ActiveAdmin admin = admins.get(i); 6290 int userId = admin.getUserHandle().getIdentifier(); 6291 boolean isRequestedUser = !parent && (userId == userHandle); 6292 if (isRequestedUser || !isManagedProfile(userId)) { 6293 // If we are being asked explicitly about this user 6294 // return all disabled features even if its a managed profile. 6295 which |= admin.disabledKeyguardFeatures; 6296 } else { 6297 // Otherwise a managed profile is only allowed to disable 6298 // some features on the parent user. 6299 which |= (admin.disabledKeyguardFeatures 6300 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 6301 } 6302 } 6303 return which; 6304 } 6305 } finally { 6306 mInjector.binderRestoreCallingIdentity(ident); 6307 } 6308 } 6309 6310 @Override 6311 public void setKeepUninstalledPackages(ComponentName who, String callerPackage, 6312 List<String> packageList) { 6313 if (!mHasFeature) { 6314 return; 6315 } 6316 Preconditions.checkNotNull(packageList, "packageList is null"); 6317 final int userHandle = UserHandle.getCallingUserId(); 6318 synchronized (this) { 6319 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6320 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6321 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6322 // Get the device owner 6323 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6324 // Set list of packages to be kept even if uninstalled. 6325 deviceOwner.keepUninstalledPackages = packageList; 6326 // Save settings. 6327 saveSettingsLocked(userHandle); 6328 // Notify package manager. 6329 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 6330 } 6331 } 6332 6333 @Override 6334 public List<String> getKeepUninstalledPackages(ComponentName who, String callerPackage) { 6335 if (!mHasFeature) { 6336 return null; 6337 } 6338 // TODO In split system user mode, allow apps on user 0 to query the list 6339 synchronized (this) { 6340 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6341 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6342 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6343 return getKeepUninstalledPackagesLocked(); 6344 } 6345 } 6346 6347 private List<String> getKeepUninstalledPackagesLocked() { 6348 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6349 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 6350 } 6351 6352 @Override 6353 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 6354 if (!mHasFeature) { 6355 return false; 6356 } 6357 if (admin == null 6358 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 6359 throw new IllegalArgumentException("Invalid component " + admin 6360 + " for device owner"); 6361 } 6362 final boolean hasIncompatibleAccountsOrNonAdb = 6363 hasIncompatibleAccountsOrNonAdbNoLock(userId, admin); 6364 synchronized (this) { 6365 enforceCanSetDeviceOwnerLocked(admin, userId, hasIncompatibleAccountsOrNonAdb); 6366 final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); 6367 if (activeAdmin == null 6368 || getUserData(userId).mRemovingAdmins.contains(admin)) { 6369 throw new IllegalArgumentException("Not active admin: " + admin); 6370 } 6371 6372 // Shutting down backup manager service permanently. 6373 long ident = mInjector.binderClearCallingIdentity(); 6374 try { 6375 if (mInjector.getIBackupManager() != null) { 6376 mInjector.getIBackupManager() 6377 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 6378 } 6379 } catch (RemoteException e) { 6380 throw new IllegalStateException("Failed deactivating backup service.", e); 6381 } finally { 6382 mInjector.binderRestoreCallingIdentity(ident); 6383 } 6384 6385 if (isAdb()) { 6386 // Log device owner provisioning was started using adb. 6387 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 6388 } 6389 6390 mOwners.setDeviceOwner(admin, ownerName, userId); 6391 mOwners.writeDeviceOwner(); 6392 updateDeviceOwnerLocked(); 6393 setDeviceOwnerSystemPropertyLocked(); 6394 6395 final Set<String> restrictions = 6396 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); 6397 if (!restrictions.isEmpty()) { 6398 for (String restriction : restrictions) { 6399 activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); 6400 } 6401 activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); 6402 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); 6403 6404 saveUserRestrictionsLocked(userId); 6405 } 6406 6407 ident = mInjector.binderClearCallingIdentity(); 6408 try { 6409 // TODO Send to system too? 6410 mContext.sendBroadcastAsUser( 6411 new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED) 6412 .addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND), 6413 UserHandle.of(userId)); 6414 } finally { 6415 mInjector.binderRestoreCallingIdentity(ident); 6416 } 6417 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 6418 return true; 6419 } 6420 } 6421 6422 @Override 6423 public boolean hasDeviceOwner() { 6424 enforceDeviceOwnerOrManageUsers(); 6425 return mOwners.hasDeviceOwner(); 6426 } 6427 6428 boolean isDeviceOwner(ActiveAdmin admin) { 6429 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6430 } 6431 6432 public boolean isDeviceOwner(ComponentName who, int userId) { 6433 synchronized (this) { 6434 return mOwners.hasDeviceOwner() 6435 && mOwners.getDeviceOwnerUserId() == userId 6436 && mOwners.getDeviceOwnerComponent().equals(who); 6437 } 6438 } 6439 6440 private boolean isDeviceOwnerPackage(String packageName, int userId) { 6441 synchronized (this) { 6442 return mOwners.hasDeviceOwner() 6443 && mOwners.getDeviceOwnerUserId() == userId 6444 && mOwners.getDeviceOwnerPackageName().equals(packageName); 6445 } 6446 } 6447 6448 private boolean isProfileOwnerPackage(String packageName, int userId) { 6449 synchronized (this) { 6450 return mOwners.hasProfileOwner(userId) 6451 && mOwners.getProfileOwnerPackage(userId).equals(packageName); 6452 } 6453 } 6454 6455 public boolean isProfileOwner(ComponentName who, int userId) { 6456 final ComponentName profileOwner = getProfileOwner(userId); 6457 return who != null && who.equals(profileOwner); 6458 } 6459 6460 @Override 6461 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6462 if (!mHasFeature) { 6463 return null; 6464 } 6465 if (!callingUserOnly) { 6466 enforceManageUsers(); 6467 } 6468 synchronized (this) { 6469 if (!mOwners.hasDeviceOwner()) { 6470 return null; 6471 } 6472 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6473 mOwners.getDeviceOwnerUserId()) { 6474 return null; 6475 } 6476 return mOwners.getDeviceOwnerComponent(); 6477 } 6478 } 6479 6480 @Override 6481 public int getDeviceOwnerUserId() { 6482 if (!mHasFeature) { 6483 return UserHandle.USER_NULL; 6484 } 6485 enforceManageUsers(); 6486 synchronized (this) { 6487 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6488 } 6489 } 6490 6491 /** 6492 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6493 * MANAGE_USERS. 6494 */ 6495 @Override 6496 public String getDeviceOwnerName() { 6497 if (!mHasFeature) { 6498 return null; 6499 } 6500 enforceManageUsers(); 6501 synchronized (this) { 6502 if (!mOwners.hasDeviceOwner()) { 6503 return null; 6504 } 6505 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6506 // Should setDeviceOwner/ProfileOwner still take a name? 6507 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6508 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6509 } 6510 } 6511 6512 /** Returns the active device owner or {@code null} if there is no device owner. */ 6513 @VisibleForTesting 6514 ActiveAdmin getDeviceOwnerAdminLocked() { 6515 ComponentName component = mOwners.getDeviceOwnerComponent(); 6516 if (component == null) { 6517 return null; 6518 } 6519 6520 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6521 final int n = policy.mAdminList.size(); 6522 for (int i = 0; i < n; i++) { 6523 ActiveAdmin admin = policy.mAdminList.get(i); 6524 if (component.equals(admin.info.getComponent())) { 6525 return admin; 6526 } 6527 } 6528 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6529 return null; 6530 } 6531 6532 @Override 6533 public void clearDeviceOwner(String packageName) { 6534 Preconditions.checkNotNull(packageName, "packageName is null"); 6535 final int callingUid = mInjector.binderGetCallingUid(); 6536 try { 6537 int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, 6538 UserHandle.getUserId(callingUid)); 6539 if (uid != callingUid) { 6540 throw new SecurityException("Invalid packageName"); 6541 } 6542 } catch (NameNotFoundException e) { 6543 throw new SecurityException(e); 6544 } 6545 synchronized (this) { 6546 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6547 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6548 if (!mOwners.hasDeviceOwner() 6549 || !deviceOwnerComponent.getPackageName().equals(packageName) 6550 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6551 throw new SecurityException( 6552 "clearDeviceOwner can only be called by the device owner"); 6553 } 6554 enforceUserUnlocked(deviceOwnerUserId); 6555 6556 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6557 long ident = mInjector.binderClearCallingIdentity(); 6558 try { 6559 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6560 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6561 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6562 intent.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND); 6563 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6564 } finally { 6565 mInjector.binderRestoreCallingIdentity(ident); 6566 } 6567 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6568 } 6569 } 6570 6571 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6572 if (admin != null) { 6573 admin.disableCamera = false; 6574 admin.userRestrictions = null; 6575 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6576 admin.forceEphemeralUsers = false; 6577 admin.isNetworkLoggingEnabled = false; 6578 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6579 final DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6580 policyData.mLastSecurityLogRetrievalTime = -1; 6581 policyData.mLastBugReportRequestTime = -1; 6582 policyData.mLastNetworkLogsRetrievalTime = -1; 6583 saveSettingsLocked(UserHandle.USER_SYSTEM); 6584 } 6585 clearUserPoliciesLocked(userId); 6586 6587 mOwners.clearDeviceOwner(); 6588 mOwners.writeDeviceOwner(); 6589 updateDeviceOwnerLocked(); 6590 6591 mInjector.securityLogSetLoggingEnabledProperty(false); 6592 mSecurityLogMonitor.stop(); 6593 setNetworkLoggingActiveInternal(false); 6594 6595 try { 6596 if (mInjector.getIBackupManager() != null) { 6597 // Reactivate backup service. 6598 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6599 } 6600 } catch (RemoteException e) { 6601 throw new IllegalStateException("Failed reactivating backup service.", e); 6602 } 6603 } 6604 6605 @Override 6606 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6607 if (!mHasFeature) { 6608 return false; 6609 } 6610 if (who == null 6611 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6612 throw new IllegalArgumentException("Component " + who 6613 + " not installed for userId:" + userHandle); 6614 } 6615 final boolean hasIncompatibleAccountsOrNonAdb = 6616 hasIncompatibleAccountsOrNonAdbNoLock(userHandle, who); 6617 synchronized (this) { 6618 enforceCanSetProfileOwnerLocked(who, userHandle, hasIncompatibleAccountsOrNonAdb); 6619 6620 if (getActiveAdminUncheckedLocked(who, userHandle) == null 6621 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6622 throw new IllegalArgumentException("Not active admin: " + who); 6623 } 6624 6625 if (isAdb()) { 6626 // Log profile owner provisioning was started using adb. 6627 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6628 } 6629 6630 mOwners.setProfileOwner(who, ownerName, userHandle); 6631 mOwners.writeProfileOwner(userHandle); 6632 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6633 6634 return true; 6635 } 6636 } 6637 6638 @Override 6639 public void clearProfileOwner(ComponentName who) { 6640 if (!mHasFeature) { 6641 return; 6642 } 6643 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 6644 final int userId = callingUser.getIdentifier(); 6645 enforceNotManagedProfile(userId, "clear profile owner"); 6646 enforceUserUnlocked(userId); 6647 // Check if this is the profile owner who is calling 6648 final ActiveAdmin admin = 6649 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6650 synchronized (this) { 6651 final long ident = mInjector.binderClearCallingIdentity(); 6652 try { 6653 clearProfileOwnerLocked(admin, userId); 6654 removeActiveAdminLocked(who, userId); 6655 } finally { 6656 mInjector.binderRestoreCallingIdentity(ident); 6657 } 6658 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6659 } 6660 } 6661 6662 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6663 if (admin != null) { 6664 admin.disableCamera = false; 6665 admin.userRestrictions = null; 6666 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6667 } 6668 clearUserPoliciesLocked(userId); 6669 mOwners.removeProfileOwner(userId); 6670 mOwners.writeProfileOwner(userId); 6671 } 6672 6673 @Override 6674 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6675 Preconditions.checkNotNull(who, "ComponentName is null"); 6676 if (!mHasFeature) { 6677 return; 6678 } 6679 6680 synchronized (this) { 6681 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6682 long token = mInjector.binderClearCallingIdentity(); 6683 try { 6684 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6685 } finally { 6686 mInjector.binderRestoreCallingIdentity(token); 6687 } 6688 } 6689 } 6690 6691 @Override 6692 public CharSequence getDeviceOwnerLockScreenInfo() { 6693 return mLockPatternUtils.getDeviceOwnerInfo(); 6694 } 6695 6696 private void clearUserPoliciesLocked(int userId) { 6697 // Reset some of the user-specific policies. 6698 final DevicePolicyData policy = getUserData(userId); 6699 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6700 // Clear delegations. 6701 policy.mDelegationMap.clear(); 6702 policy.mStatusBarDisabled = false; 6703 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6704 saveSettingsLocked(userId); 6705 6706 try { 6707 mIPackageManager.updatePermissionFlagsForAllApps( 6708 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6709 0 /* flagValues */, userId); 6710 pushUserRestrictions(userId); 6711 } catch (RemoteException re) { 6712 // Shouldn't happen. 6713 } 6714 } 6715 6716 @Override 6717 public boolean hasUserSetupCompleted() { 6718 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6719 } 6720 6721 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6722 // completing Setup Wizard, and pairing involves transferring user data, calling 6723 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6724 private boolean hasUserSetupCompleted(int userHandle) { 6725 if (!mHasFeature) { 6726 return true; 6727 } 6728 return getUserData(userHandle).mUserSetupComplete; 6729 } 6730 6731 private boolean hasPaired(int userHandle) { 6732 if (!mHasFeature) { 6733 return true; 6734 } 6735 return getUserData(userHandle).mPaired; 6736 } 6737 6738 @Override 6739 public int getUserProvisioningState() { 6740 if (!mHasFeature) { 6741 return DevicePolicyManager.STATE_USER_UNMANAGED; 6742 } 6743 int userHandle = mInjector.userHandleGetCallingUserId(); 6744 return getUserProvisioningState(userHandle); 6745 } 6746 6747 private int getUserProvisioningState(int userHandle) { 6748 return getUserData(userHandle).mUserProvisioningState; 6749 } 6750 6751 @Override 6752 public void setUserProvisioningState(int newState, int userHandle) { 6753 if (!mHasFeature) { 6754 return; 6755 } 6756 6757 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6758 && getManagedUserId(userHandle) == -1) { 6759 // No managed device, user or profile, so setting provisioning state makes no sense. 6760 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6761 + "device or profile owner is set."); 6762 } 6763 6764 synchronized (this) { 6765 boolean transitionCheckNeeded = true; 6766 6767 // Calling identity/permission checks. 6768 if (isAdb()) { 6769 // ADB shell can only move directly from un-managed to finalized as part of directly 6770 // setting profile-owner or device-owner. 6771 if (getUserProvisioningState(userHandle) != 6772 DevicePolicyManager.STATE_USER_UNMANAGED 6773 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6774 throw new IllegalStateException("Not allowed to change provisioning state " 6775 + "unless current provisioning state is unmanaged, and new state is " 6776 + "finalized."); 6777 } 6778 transitionCheckNeeded = false; 6779 } else { 6780 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6781 enforceCanManageProfileAndDeviceOwners(); 6782 } 6783 6784 final DevicePolicyData policyData = getUserData(userHandle); 6785 if (transitionCheckNeeded) { 6786 // Optional state transition check for non-ADB case. 6787 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6788 } 6789 policyData.mUserProvisioningState = newState; 6790 saveSettingsLocked(userHandle); 6791 } 6792 } 6793 6794 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6795 // Valid transitions for normal use-cases. 6796 switch (currentState) { 6797 case DevicePolicyManager.STATE_USER_UNMANAGED: 6798 // Can move to any state from unmanaged (except itself as an edge case).. 6799 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6800 return; 6801 } 6802 break; 6803 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6804 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6805 // Can only move to finalized from these states. 6806 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6807 return; 6808 } 6809 break; 6810 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6811 // Current user has a managed-profile, but current user is not managed, so 6812 // rather than moving to finalized state, go back to unmanaged once 6813 // profile provisioning is complete. 6814 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6815 return; 6816 } 6817 break; 6818 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6819 // Cannot transition out of finalized. 6820 break; 6821 } 6822 6823 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6824 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6825 + "from state [" + currentState + "]"); 6826 } 6827 6828 @Override 6829 public void setProfileEnabled(ComponentName who) { 6830 if (!mHasFeature) { 6831 return; 6832 } 6833 Preconditions.checkNotNull(who, "ComponentName is null"); 6834 synchronized (this) { 6835 // Check if this is the profile owner who is calling 6836 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6837 final int userId = UserHandle.getCallingUserId(); 6838 enforceManagedProfile(userId, "enable the profile"); 6839 // Check if the profile is already enabled. 6840 UserInfo managedProfile = getUserInfo(userId); 6841 if (managedProfile.isEnabled()) { 6842 Slog.e(LOG_TAG, 6843 "setProfileEnabled is called when the profile is already enabled"); 6844 return; 6845 } 6846 long id = mInjector.binderClearCallingIdentity(); 6847 try { 6848 mUserManager.setUserEnabled(userId); 6849 UserInfo parent = mUserManager.getProfileParent(userId); 6850 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6851 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6852 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6853 Intent.FLAG_RECEIVER_FOREGROUND); 6854 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6855 } finally { 6856 mInjector.binderRestoreCallingIdentity(id); 6857 } 6858 } 6859 } 6860 6861 @Override 6862 public void setProfileName(ComponentName who, String profileName) { 6863 Preconditions.checkNotNull(who, "ComponentName is null"); 6864 int userId = UserHandle.getCallingUserId(); 6865 // Check if this is the profile owner (includes device owner). 6866 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6867 6868 long id = mInjector.binderClearCallingIdentity(); 6869 try { 6870 mUserManager.setUserName(userId, profileName); 6871 } finally { 6872 mInjector.binderRestoreCallingIdentity(id); 6873 } 6874 } 6875 6876 @Override 6877 public ComponentName getProfileOwner(int userHandle) { 6878 if (!mHasFeature) { 6879 return null; 6880 } 6881 6882 synchronized (this) { 6883 return mOwners.getProfileOwnerComponent(userHandle); 6884 } 6885 } 6886 6887 // Returns the active profile owner for this user or null if the current user has no 6888 // profile owner. 6889 @VisibleForTesting 6890 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6891 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6892 if (profileOwner == null) { 6893 return null; 6894 } 6895 DevicePolicyData policy = getUserData(userHandle); 6896 final int n = policy.mAdminList.size(); 6897 for (int i = 0; i < n; i++) { 6898 ActiveAdmin admin = policy.mAdminList.get(i); 6899 if (profileOwner.equals(admin.info.getComponent())) { 6900 return admin; 6901 } 6902 } 6903 return null; 6904 } 6905 6906 @Override 6907 public String getProfileOwnerName(int userHandle) { 6908 if (!mHasFeature) { 6909 return null; 6910 } 6911 enforceManageUsers(); 6912 ComponentName profileOwner = getProfileOwner(userHandle); 6913 if (profileOwner == null) { 6914 return null; 6915 } 6916 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6917 } 6918 6919 /** 6920 * Canonical name for a given package. 6921 */ 6922 private String getApplicationLabel(String packageName, int userHandle) { 6923 long token = mInjector.binderClearCallingIdentity(); 6924 try { 6925 final Context userContext; 6926 try { 6927 UserHandle handle = new UserHandle(userHandle); 6928 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6929 } catch (PackageManager.NameNotFoundException nnfe) { 6930 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6931 return null; 6932 } 6933 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6934 CharSequence result = null; 6935 if (appInfo != null) { 6936 PackageManager pm = userContext.getPackageManager(); 6937 result = pm.getApplicationLabel(appInfo); 6938 } 6939 return result != null ? result.toString() : null; 6940 } finally { 6941 mInjector.binderRestoreCallingIdentity(token); 6942 } 6943 } 6944 6945 /** 6946 * Calls wtfStack() if called with the DPMS lock held. 6947 */ 6948 private void wtfIfInLock() { 6949 if (Thread.holdsLock(this)) { 6950 Slog.wtfStack(LOG_TAG, "Shouldn't be called with DPMS lock held"); 6951 } 6952 } 6953 6954 /** 6955 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6956 * permission. 6957 * The profile owner can only be set before the user setup phase has completed, 6958 * except for: 6959 * - SYSTEM_UID 6960 * - adb unless hasIncompatibleAccountsOrNonAdb is true. 6961 */ 6962 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle, 6963 boolean hasIncompatibleAccountsOrNonAdb) { 6964 UserInfo info = getUserInfo(userHandle); 6965 if (info == null) { 6966 // User doesn't exist. 6967 throw new IllegalArgumentException( 6968 "Attempted to set profile owner for invalid userId: " + userHandle); 6969 } 6970 if (info.isGuest()) { 6971 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6972 } 6973 if (mOwners.hasProfileOwner(userHandle)) { 6974 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6975 + "is already set."); 6976 } 6977 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6978 throw new IllegalStateException("Trying to set the profile owner, but the user " 6979 + "already has a device owner."); 6980 } 6981 if (isAdb()) { 6982 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 6983 && hasIncompatibleAccountsOrNonAdb) { 6984 throw new IllegalStateException("Not allowed to set the profile owner because " 6985 + "there are already some accounts on the profile"); 6986 } 6987 return; 6988 } 6989 enforceCanManageProfileAndDeviceOwners(); 6990 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 6991 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6992 + "already set-up"); 6993 } 6994 } 6995 6996 /** 6997 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6998 * permission. 6999 */ 7000 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId, 7001 boolean hasIncompatibleAccountsOrNonAdb) { 7002 if (!isAdb()) { 7003 enforceCanManageProfileAndDeviceOwners(); 7004 } 7005 7006 final int code = checkDeviceOwnerProvisioningPreConditionLocked( 7007 owner, userId, isAdb(), hasIncompatibleAccountsOrNonAdb); 7008 switch (code) { 7009 case CODE_OK: 7010 return; 7011 case CODE_HAS_DEVICE_OWNER: 7012 throw new IllegalStateException( 7013 "Trying to set the device owner, but device owner is already set."); 7014 case CODE_USER_HAS_PROFILE_OWNER: 7015 throw new IllegalStateException("Trying to set the device owner, but the user " 7016 + "already has a profile owner."); 7017 case CODE_USER_NOT_RUNNING: 7018 throw new IllegalStateException("User not running: " + userId); 7019 case CODE_NOT_SYSTEM_USER: 7020 throw new IllegalStateException("User is not system user"); 7021 case CODE_USER_SETUP_COMPLETED: 7022 throw new IllegalStateException( 7023 "Cannot set the device owner if the device is already set-up"); 7024 case CODE_NONSYSTEM_USER_EXISTS: 7025 throw new IllegalStateException("Not allowed to set the device owner because there " 7026 + "are already several users on the device"); 7027 case CODE_ACCOUNTS_NOT_EMPTY: 7028 throw new IllegalStateException("Not allowed to set the device owner because there " 7029 + "are already some accounts on the device"); 7030 case CODE_HAS_PAIRED: 7031 throw new IllegalStateException("Not allowed to set the device owner because this " 7032 + "device has already paired"); 7033 default: 7034 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 7035 } 7036 } 7037 7038 private void enforceUserUnlocked(int userId) { 7039 // Since we're doing this operation on behalf of an app, we only 7040 // want to use the actual "unlocked" state. 7041 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 7042 "User must be running and unlocked"); 7043 } 7044 7045 private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { 7046 if (parent) { 7047 enforceUserUnlocked(getProfileParentId(userId)); 7048 } else { 7049 enforceUserUnlocked(userId); 7050 } 7051 } 7052 7053 private void enforceManageUsers() { 7054 final int callingUid = mInjector.binderGetCallingUid(); 7055 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7056 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7057 } 7058 } 7059 7060 private void enforceFullCrossUsersPermission(int userHandle) { 7061 enforceSystemUserOrPermission(userHandle, 7062 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 7063 } 7064 7065 private void enforceCrossUsersPermission(int userHandle) { 7066 enforceSystemUserOrPermission(userHandle, 7067 android.Manifest.permission.INTERACT_ACROSS_USERS); 7068 } 7069 7070 private void enforceSystemUserOrPermission(int userHandle, String permission) { 7071 if (userHandle < 0) { 7072 throw new IllegalArgumentException("Invalid userId " + userHandle); 7073 } 7074 final int callingUid = mInjector.binderGetCallingUid(); 7075 if (userHandle == UserHandle.getUserId(callingUid)) { 7076 return; 7077 } 7078 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7079 mContext.enforceCallingOrSelfPermission(permission, 7080 "Must be system or have " + permission + " permission"); 7081 } 7082 } 7083 7084 private void enforceManagedProfile(int userHandle, String message) { 7085 if(!isManagedProfile(userHandle)) { 7086 throw new SecurityException("You can not " + message + " outside a managed profile."); 7087 } 7088 } 7089 7090 private void enforceNotManagedProfile(int userHandle, String message) { 7091 if(isManagedProfile(userHandle)) { 7092 throw new SecurityException("You can not " + message + " for a managed profile."); 7093 } 7094 } 7095 7096 private void enforceDeviceOwnerOrManageUsers() { 7097 synchronized (this) { 7098 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 7099 mInjector.binderGetCallingUid()) != null) { 7100 return; 7101 } 7102 } 7103 enforceManageUsers(); 7104 } 7105 7106 private void enforceProfileOwnerOrSystemUser(ComponentName admin) { 7107 synchronized (this) { 7108 if (getActiveAdminWithPolicyForUidLocked(admin, 7109 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 7110 != null) { 7111 return; 7112 } 7113 } 7114 Preconditions.checkState(isCallerWithSystemUid(), 7115 "Only profile owner, device owner and system may call this method."); 7116 } 7117 7118 private void ensureCallerPackage(@Nullable String packageName) { 7119 if (packageName == null) { 7120 Preconditions.checkState(isCallerWithSystemUid(), 7121 "Only caller can omit package name"); 7122 } else { 7123 final int callingUid = mInjector.binderGetCallingUid(); 7124 final int userId = mInjector.userHandleGetCallingUserId(); 7125 try { 7126 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 7127 packageName, 0, userId); 7128 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 7129 } catch (RemoteException e) { 7130 // Shouldn't happen 7131 } 7132 } 7133 } 7134 7135 private boolean isCallerWithSystemUid() { 7136 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 7137 } 7138 7139 private int getProfileParentId(int userHandle) { 7140 final long ident = mInjector.binderClearCallingIdentity(); 7141 try { 7142 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 7143 return parentUser != null ? parentUser.id : userHandle; 7144 } finally { 7145 mInjector.binderRestoreCallingIdentity(ident); 7146 } 7147 } 7148 7149 private int getCredentialOwner(int userHandle, boolean parent) { 7150 final long ident = mInjector.binderClearCallingIdentity(); 7151 try { 7152 if (parent) { 7153 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 7154 if (parentProfile != null) { 7155 userHandle = parentProfile.id; 7156 } 7157 } 7158 return mUserManager.getCredentialOwnerProfile(userHandle); 7159 } finally { 7160 mInjector.binderRestoreCallingIdentity(ident); 7161 } 7162 } 7163 7164 private boolean isManagedProfile(int userHandle) { 7165 final UserInfo user = getUserInfo(userHandle); 7166 return user != null && user.isManagedProfile(); 7167 } 7168 7169 private void enableIfNecessary(String packageName, int userId) { 7170 try { 7171 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 7172 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 7173 userId); 7174 if (ai.enabledSetting 7175 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 7176 mIPackageManager.setApplicationEnabledSetting(packageName, 7177 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 7178 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 7179 } 7180 } catch (RemoteException e) { 7181 } 7182 } 7183 7184 @Override 7185 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 7186 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 7187 != PackageManager.PERMISSION_GRANTED) { 7188 7189 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 7190 + mInjector.binderGetCallingPid() 7191 + ", uid=" + mInjector.binderGetCallingUid()); 7192 return; 7193 } 7194 7195 synchronized (this) { 7196 pw.println("Current Device Policy Manager state:"); 7197 mOwners.dump(" ", pw); 7198 int userCount = mUserData.size(); 7199 for (int u = 0; u < userCount; u++) { 7200 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 7201 pw.println(); 7202 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 7203 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 7204 final int N = policy.mAdminList.size(); 7205 for (int i=0; i<N; i++) { 7206 ActiveAdmin ap = policy.mAdminList.get(i); 7207 if (ap != null) { 7208 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 7209 pw.println(":"); 7210 ap.dump(" ", pw); 7211 } 7212 } 7213 if (!policy.mRemovingAdmins.isEmpty()) { 7214 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 7215 + policy.mRemovingAdmins); 7216 } 7217 7218 pw.println(" "); 7219 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 7220 } 7221 pw.println(); 7222 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 7223 } 7224 } 7225 7226 private String getEncryptionStatusName(int encryptionStatus) { 7227 switch (encryptionStatus) { 7228 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 7229 return "inactive"; 7230 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 7231 return "block default key"; 7232 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 7233 return "block"; 7234 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 7235 return "per-user"; 7236 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 7237 return "unsupported"; 7238 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 7239 return "activating"; 7240 default: 7241 return "unknown"; 7242 } 7243 } 7244 7245 @Override 7246 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 7247 ComponentName activity) { 7248 Preconditions.checkNotNull(who, "ComponentName is null"); 7249 final int userHandle = UserHandle.getCallingUserId(); 7250 synchronized (this) { 7251 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7252 7253 long id = mInjector.binderClearCallingIdentity(); 7254 try { 7255 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 7256 } catch (RemoteException re) { 7257 // Shouldn't happen 7258 } finally { 7259 mInjector.binderRestoreCallingIdentity(id); 7260 } 7261 } 7262 } 7263 7264 @Override 7265 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 7266 Preconditions.checkNotNull(who, "ComponentName is null"); 7267 final int userHandle = UserHandle.getCallingUserId(); 7268 synchronized (this) { 7269 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7270 7271 long id = mInjector.binderClearCallingIdentity(); 7272 try { 7273 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 7274 } catch (RemoteException re) { 7275 // Shouldn't happen 7276 } finally { 7277 mInjector.binderRestoreCallingIdentity(id); 7278 } 7279 } 7280 } 7281 7282 @Override 7283 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 7284 String packageName) { 7285 try { 7286 setDelegatedScopePreO(admin, packageName, DELEGATION_APP_RESTRICTIONS); 7287 } catch (IllegalArgumentException e) { 7288 return false; 7289 } 7290 return true; 7291 } 7292 7293 @Override 7294 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 7295 final List<String> delegatePackages = getDelegatePackages(admin, 7296 DELEGATION_APP_RESTRICTIONS); 7297 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 7298 } 7299 7300 @Override 7301 public boolean isCallerApplicationRestrictionsManagingPackage(String callerPackage) { 7302 return isCallerDelegate(callerPackage, DELEGATION_APP_RESTRICTIONS); 7303 } 7304 7305 @Override 7306 public void setApplicationRestrictions(ComponentName who, String callerPackage, 7307 String packageName, Bundle settings) { 7308 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 7309 DELEGATION_APP_RESTRICTIONS); 7310 7311 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7312 final long id = mInjector.binderClearCallingIdentity(); 7313 try { 7314 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 7315 } finally { 7316 mInjector.binderRestoreCallingIdentity(id); 7317 } 7318 } 7319 7320 @Override 7321 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 7322 PersistableBundle args, boolean parent) { 7323 if (!mHasFeature) { 7324 return; 7325 } 7326 Preconditions.checkNotNull(admin, "admin is null"); 7327 Preconditions.checkNotNull(agent, "agent is null"); 7328 final int userHandle = UserHandle.getCallingUserId(); 7329 synchronized (this) { 7330 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 7331 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 7332 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 7333 saveSettingsLocked(userHandle); 7334 } 7335 } 7336 7337 @Override 7338 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 7339 ComponentName agent, int userHandle, boolean parent) { 7340 if (!mHasFeature) { 7341 return null; 7342 } 7343 Preconditions.checkNotNull(agent, "agent null"); 7344 enforceFullCrossUsersPermission(userHandle); 7345 7346 synchronized (this) { 7347 final String componentName = agent.flattenToString(); 7348 if (admin != null) { 7349 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 7350 if (ap == null) return null; 7351 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 7352 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 7353 List<PersistableBundle> result = new ArrayList<>(); 7354 result.add(trustAgentInfo.options); 7355 return result; 7356 } 7357 7358 // Return strictest policy for this user and profiles that are visible from this user. 7359 List<PersistableBundle> result = null; 7360 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 7361 // of the options. If any admin doesn't have options, discard options for the rest 7362 // and return null. 7363 List<ActiveAdmin> admins = 7364 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 7365 boolean allAdminsHaveOptions = true; 7366 final int N = admins.size(); 7367 for (int i = 0; i < N; i++) { 7368 final ActiveAdmin active = admins.get(i); 7369 7370 final boolean disablesTrust = (active.disabledKeyguardFeatures 7371 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 7372 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 7373 if (info != null && info.options != null && !info.options.isEmpty()) { 7374 if (disablesTrust) { 7375 if (result == null) { 7376 result = new ArrayList<>(); 7377 } 7378 result.add(info.options); 7379 } else { 7380 Log.w(LOG_TAG, "Ignoring admin " + active.info 7381 + " because it has trust options but doesn't declare " 7382 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 7383 } 7384 } else if (disablesTrust) { 7385 allAdminsHaveOptions = false; 7386 break; 7387 } 7388 } 7389 return allAdminsHaveOptions ? result : null; 7390 } 7391 } 7392 7393 @Override 7394 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 7395 Preconditions.checkNotNull(who, "ComponentName is null"); 7396 synchronized (this) { 7397 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7398 7399 int userHandle = UserHandle.getCallingUserId(); 7400 DevicePolicyData userData = getUserData(userHandle); 7401 userData.mRestrictionsProvider = permissionProvider; 7402 saveSettingsLocked(userHandle); 7403 } 7404 } 7405 7406 @Override 7407 public ComponentName getRestrictionsProvider(int userHandle) { 7408 synchronized (this) { 7409 if (!isCallerWithSystemUid()) { 7410 throw new SecurityException("Only the system can query the permission provider"); 7411 } 7412 DevicePolicyData userData = getUserData(userHandle); 7413 return userData != null ? userData.mRestrictionsProvider : null; 7414 } 7415 } 7416 7417 @Override 7418 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 7419 Preconditions.checkNotNull(who, "ComponentName is null"); 7420 int callingUserId = UserHandle.getCallingUserId(); 7421 synchronized (this) { 7422 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7423 7424 long id = mInjector.binderClearCallingIdentity(); 7425 try { 7426 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7427 if (parent == null) { 7428 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 7429 + "parent"); 7430 return; 7431 } 7432 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 7433 mIPackageManager.addCrossProfileIntentFilter( 7434 filter, who.getPackageName(), callingUserId, parent.id, 0); 7435 } 7436 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 7437 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 7438 parent.id, callingUserId, 0); 7439 } 7440 } catch (RemoteException re) { 7441 // Shouldn't happen 7442 } finally { 7443 mInjector.binderRestoreCallingIdentity(id); 7444 } 7445 } 7446 } 7447 7448 @Override 7449 public void clearCrossProfileIntentFilters(ComponentName who) { 7450 Preconditions.checkNotNull(who, "ComponentName is null"); 7451 int callingUserId = UserHandle.getCallingUserId(); 7452 synchronized (this) { 7453 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7454 long id = mInjector.binderClearCallingIdentity(); 7455 try { 7456 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7457 if (parent == null) { 7458 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7459 + "parent"); 7460 return; 7461 } 7462 // Removing those that go from the managed profile to the parent. 7463 mIPackageManager.clearCrossProfileIntentFilters( 7464 callingUserId, who.getPackageName()); 7465 // And those that go from the parent to the managed profile. 7466 // If we want to support multiple managed profiles, we will have to only remove 7467 // those that have callingUserId as their target. 7468 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7469 } catch (RemoteException re) { 7470 // Shouldn't happen 7471 } finally { 7472 mInjector.binderRestoreCallingIdentity(id); 7473 } 7474 } 7475 } 7476 7477 /** 7478 * @return true if all packages in enabledPackages are either in the list 7479 * permittedList or are a system app. 7480 */ 7481 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7482 List<String> permittedList, int userIdToCheck) { 7483 long id = mInjector.binderClearCallingIdentity(); 7484 try { 7485 // If we have an enabled packages list for a managed profile the packages 7486 // we should check are installed for the parent user. 7487 UserInfo user = getUserInfo(userIdToCheck); 7488 if (user.isManagedProfile()) { 7489 userIdToCheck = user.profileGroupId; 7490 } 7491 7492 for (String enabledPackage : enabledPackages) { 7493 boolean systemService = false; 7494 try { 7495 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7496 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7497 userIdToCheck); 7498 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7499 } catch (RemoteException e) { 7500 Log.i(LOG_TAG, "Can't talk to package managed", e); 7501 } 7502 if (!systemService && !permittedList.contains(enabledPackage)) { 7503 return false; 7504 } 7505 } 7506 } finally { 7507 mInjector.binderRestoreCallingIdentity(id); 7508 } 7509 return true; 7510 } 7511 7512 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7513 // Not using AccessibilityManager.getInstance because that guesses 7514 // at the user you require based on callingUid and caches for a given 7515 // process. 7516 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7517 IAccessibilityManager service = iBinder == null 7518 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7519 return new AccessibilityManager(mContext, service, userId); 7520 } 7521 7522 @Override 7523 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7524 if (!mHasFeature) { 7525 return false; 7526 } 7527 Preconditions.checkNotNull(who, "ComponentName is null"); 7528 7529 if (packageList != null) { 7530 int userId = UserHandle.getCallingUserId(); 7531 List<AccessibilityServiceInfo> enabledServices = null; 7532 long id = mInjector.binderClearCallingIdentity(); 7533 try { 7534 UserInfo user = getUserInfo(userId); 7535 if (user.isManagedProfile()) { 7536 userId = user.profileGroupId; 7537 } 7538 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7539 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7540 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7541 } finally { 7542 mInjector.binderRestoreCallingIdentity(id); 7543 } 7544 7545 if (enabledServices != null) { 7546 List<String> enabledPackages = new ArrayList<String>(); 7547 for (AccessibilityServiceInfo service : enabledServices) { 7548 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7549 } 7550 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7551 userId)) { 7552 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7553 + "because it contains already enabled accesibility services."); 7554 return false; 7555 } 7556 } 7557 } 7558 7559 synchronized (this) { 7560 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7561 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7562 admin.permittedAccessiblityServices = packageList; 7563 saveSettingsLocked(UserHandle.getCallingUserId()); 7564 } 7565 return true; 7566 } 7567 7568 @Override 7569 public List getPermittedAccessibilityServices(ComponentName who) { 7570 if (!mHasFeature) { 7571 return null; 7572 } 7573 Preconditions.checkNotNull(who, "ComponentName is null"); 7574 7575 synchronized (this) { 7576 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7577 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7578 return admin.permittedAccessiblityServices; 7579 } 7580 } 7581 7582 @Override 7583 public List getPermittedAccessibilityServicesForUser(int userId) { 7584 if (!mHasFeature) { 7585 return null; 7586 } 7587 synchronized (this) { 7588 List<String> result = null; 7589 // If we have multiple profiles we return the intersection of the 7590 // permitted lists. This can happen in cases where we have a device 7591 // and profile owner. 7592 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7593 for (int profileId : profileIds) { 7594 // Just loop though all admins, only device or profiles 7595 // owners can have permitted lists set. 7596 DevicePolicyData policy = getUserDataUnchecked(profileId); 7597 final int N = policy.mAdminList.size(); 7598 for (int j = 0; j < N; j++) { 7599 ActiveAdmin admin = policy.mAdminList.get(j); 7600 List<String> fromAdmin = admin.permittedAccessiblityServices; 7601 if (fromAdmin != null) { 7602 if (result == null) { 7603 result = new ArrayList<>(fromAdmin); 7604 } else { 7605 result.retainAll(fromAdmin); 7606 } 7607 } 7608 } 7609 } 7610 7611 // If we have a permitted list add all system accessibility services. 7612 if (result != null) { 7613 long id = mInjector.binderClearCallingIdentity(); 7614 try { 7615 UserInfo user = getUserInfo(userId); 7616 if (user.isManagedProfile()) { 7617 userId = user.profileGroupId; 7618 } 7619 AccessibilityManager accessibilityManager = 7620 getAccessibilityManagerForUser(userId); 7621 List<AccessibilityServiceInfo> installedServices = 7622 accessibilityManager.getInstalledAccessibilityServiceList(); 7623 7624 if (installedServices != null) { 7625 for (AccessibilityServiceInfo service : installedServices) { 7626 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7627 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7628 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7629 result.add(serviceInfo.packageName); 7630 } 7631 } 7632 } 7633 } finally { 7634 mInjector.binderRestoreCallingIdentity(id); 7635 } 7636 } 7637 7638 return result; 7639 } 7640 } 7641 7642 @Override 7643 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7644 int userHandle) { 7645 if (!mHasFeature) { 7646 return true; 7647 } 7648 Preconditions.checkNotNull(who, "ComponentName is null"); 7649 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7650 if (!isCallerWithSystemUid()){ 7651 throw new SecurityException( 7652 "Only the system can query if an accessibility service is disabled by admin"); 7653 } 7654 synchronized (this) { 7655 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7656 if (admin == null) { 7657 return false; 7658 } 7659 if (admin.permittedAccessiblityServices == null) { 7660 return true; 7661 } 7662 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7663 admin.permittedAccessiblityServices, userHandle); 7664 } 7665 } 7666 7667 private boolean checkCallerIsCurrentUserOrProfile() { 7668 int callingUserId = UserHandle.getCallingUserId(); 7669 long token = mInjector.binderClearCallingIdentity(); 7670 try { 7671 UserInfo currentUser; 7672 UserInfo callingUser = getUserInfo(callingUserId); 7673 try { 7674 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7675 } catch (RemoteException e) { 7676 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7677 return false; 7678 } 7679 7680 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7681 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7682 + "of a user that isn't the foreground user."); 7683 return false; 7684 } 7685 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7686 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7687 + "of a user that isn't the foreground user."); 7688 return false; 7689 } 7690 } finally { 7691 mInjector.binderRestoreCallingIdentity(token); 7692 } 7693 return true; 7694 } 7695 7696 @Override 7697 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7698 if (!mHasFeature) { 7699 return false; 7700 } 7701 Preconditions.checkNotNull(who, "ComponentName is null"); 7702 7703 // TODO When InputMethodManager supports per user calls remove 7704 // this restriction. 7705 if (!checkCallerIsCurrentUserOrProfile()) { 7706 return false; 7707 } 7708 7709 if (packageList != null) { 7710 // InputMethodManager fetches input methods for current user. 7711 // So this can only be set when calling user is the current user 7712 // or parent is current user in case of managed profiles. 7713 InputMethodManager inputMethodManager = 7714 mContext.getSystemService(InputMethodManager.class); 7715 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7716 7717 if (enabledImes != null) { 7718 List<String> enabledPackages = new ArrayList<String>(); 7719 for (InputMethodInfo ime : enabledImes) { 7720 enabledPackages.add(ime.getPackageName()); 7721 } 7722 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7723 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7724 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7725 + "because it contains already enabled input method."); 7726 return false; 7727 } 7728 } 7729 } 7730 7731 synchronized (this) { 7732 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7733 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7734 admin.permittedInputMethods = packageList; 7735 saveSettingsLocked(UserHandle.getCallingUserId()); 7736 } 7737 return true; 7738 } 7739 7740 @Override 7741 public List getPermittedInputMethods(ComponentName who) { 7742 if (!mHasFeature) { 7743 return null; 7744 } 7745 Preconditions.checkNotNull(who, "ComponentName is null"); 7746 7747 synchronized (this) { 7748 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7749 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7750 return admin.permittedInputMethods; 7751 } 7752 } 7753 7754 @Override 7755 public List getPermittedInputMethodsForCurrentUser() { 7756 UserInfo currentUser; 7757 try { 7758 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7759 } catch (RemoteException e) { 7760 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7761 // Activity managed is dead, just allow all IMEs 7762 return null; 7763 } 7764 7765 int userId = currentUser.id; 7766 synchronized (this) { 7767 List<String> result = null; 7768 // If we have multiple profiles we return the intersection of the 7769 // permitted lists. This can happen in cases where we have a device 7770 // and profile owner. 7771 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7772 for (int profileId : profileIds) { 7773 // Just loop though all admins, only device or profiles 7774 // owners can have permitted lists set. 7775 DevicePolicyData policy = getUserDataUnchecked(profileId); 7776 final int N = policy.mAdminList.size(); 7777 for (int j = 0; j < N; j++) { 7778 ActiveAdmin admin = policy.mAdminList.get(j); 7779 List<String> fromAdmin = admin.permittedInputMethods; 7780 if (fromAdmin != null) { 7781 if (result == null) { 7782 result = new ArrayList<String>(fromAdmin); 7783 } else { 7784 result.retainAll(fromAdmin); 7785 } 7786 } 7787 } 7788 } 7789 7790 // If we have a permitted list add all system input methods. 7791 if (result != null) { 7792 InputMethodManager inputMethodManager = 7793 mContext.getSystemService(InputMethodManager.class); 7794 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7795 long id = mInjector.binderClearCallingIdentity(); 7796 try { 7797 if (imes != null) { 7798 for (InputMethodInfo ime : imes) { 7799 ServiceInfo serviceInfo = ime.getServiceInfo(); 7800 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7801 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7802 result.add(serviceInfo.packageName); 7803 } 7804 } 7805 } 7806 } finally { 7807 mInjector.binderRestoreCallingIdentity(id); 7808 } 7809 } 7810 return result; 7811 } 7812 } 7813 7814 @Override 7815 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7816 int userHandle) { 7817 if (!mHasFeature) { 7818 return true; 7819 } 7820 Preconditions.checkNotNull(who, "ComponentName is null"); 7821 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7822 if (!isCallerWithSystemUid()) { 7823 throw new SecurityException( 7824 "Only the system can query if an input method is disabled by admin"); 7825 } 7826 synchronized (this) { 7827 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7828 if (admin == null) { 7829 return false; 7830 } 7831 if (admin.permittedInputMethods == null) { 7832 return true; 7833 } 7834 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7835 admin.permittedInputMethods, userHandle); 7836 } 7837 } 7838 7839 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7840 DevicePolicyData policyData = getUserData(userHandle); 7841 if (policyData.mAdminBroadcastPending) { 7842 // Send the initialization data to profile owner and delete the data 7843 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7844 if (admin != null) { 7845 PersistableBundle initBundle = policyData.mInitBundle; 7846 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7847 initBundle == null ? null : new Bundle(initBundle), null); 7848 } 7849 policyData.mInitBundle = null; 7850 policyData.mAdminBroadcastPending = false; 7851 saveSettingsLocked(userHandle); 7852 } 7853 } 7854 7855 @Override 7856 public UserHandle createAndManageUser(ComponentName admin, String name, 7857 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7858 Preconditions.checkNotNull(admin, "admin is null"); 7859 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7860 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7861 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7862 + admin + " are not in the same package"); 7863 } 7864 // Only allow the system user to use this method 7865 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7866 throw new SecurityException("createAndManageUser was called from non-system user"); 7867 } 7868 if (!mInjector.userManagerIsSplitSystemUser() 7869 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7870 throw new IllegalArgumentException( 7871 "Ephemeral users are only supported on systems with a split system user."); 7872 } 7873 // Create user. 7874 UserHandle user = null; 7875 synchronized (this) { 7876 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7877 7878 final long id = mInjector.binderClearCallingIdentity(); 7879 try { 7880 int userInfoFlags = 0; 7881 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7882 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7883 } 7884 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7885 userInfoFlags); 7886 if (userInfo != null) { 7887 user = userInfo.getUserHandle(); 7888 } 7889 } finally { 7890 mInjector.binderRestoreCallingIdentity(id); 7891 } 7892 } 7893 if (user == null) { 7894 return null; 7895 } 7896 // Set admin. 7897 final long id = mInjector.binderClearCallingIdentity(); 7898 try { 7899 final String adminPkg = admin.getPackageName(); 7900 7901 final int userHandle = user.getIdentifier(); 7902 try { 7903 // Install the profile owner if not present. 7904 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7905 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle, 7906 PackageManager.INSTALL_REASON_POLICY); 7907 } 7908 } catch (RemoteException e) { 7909 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7910 + "removing created user", e); 7911 mUserManager.removeUser(user.getIdentifier()); 7912 return null; 7913 } 7914 7915 setActiveAdmin(profileOwner, true, userHandle); 7916 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7917 // So we store adminExtras for broadcasting when the user starts for first time. 7918 synchronized(this) { 7919 DevicePolicyData policyData = getUserData(userHandle); 7920 policyData.mInitBundle = adminExtras; 7921 policyData.mAdminBroadcastPending = true; 7922 saveSettingsLocked(userHandle); 7923 } 7924 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7925 setProfileOwner(profileOwner, ownerName, userHandle); 7926 7927 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7928 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7929 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7930 } 7931 7932 return user; 7933 } finally { 7934 mInjector.binderRestoreCallingIdentity(id); 7935 } 7936 } 7937 7938 @Override 7939 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7940 Preconditions.checkNotNull(who, "ComponentName is null"); 7941 synchronized (this) { 7942 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7943 } 7944 7945 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7946 final long id = mInjector.binderClearCallingIdentity(); 7947 try { 7948 String restriction = isManagedProfile(userHandle.getIdentifier()) 7949 ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE 7950 : UserManager.DISALLOW_REMOVE_USER; 7951 if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { 7952 Log.w(LOG_TAG, "The device owner cannot remove a user because " 7953 + restriction + " is enabled, and was not set by the device owner"); 7954 return false; 7955 } 7956 return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); 7957 } finally { 7958 mInjector.binderRestoreCallingIdentity(id); 7959 } 7960 } 7961 7962 private boolean isAdminAffectedByRestriction( 7963 ComponentName admin, String userRestriction, int userId) { 7964 switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { 7965 case UserManager.RESTRICTION_NOT_SET: 7966 return false; 7967 case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: 7968 return !isDeviceOwner(admin, userId); 7969 case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: 7970 return !isProfileOwner(admin, userId); 7971 default: 7972 return true; 7973 } 7974 } 7975 7976 @Override 7977 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7978 Preconditions.checkNotNull(who, "ComponentName is null"); 7979 synchronized (this) { 7980 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7981 7982 long id = mInjector.binderClearCallingIdentity(); 7983 try { 7984 int userId = UserHandle.USER_SYSTEM; 7985 if (userHandle != null) { 7986 userId = userHandle.getIdentifier(); 7987 } 7988 return mInjector.getIActivityManager().switchUser(userId); 7989 } catch (RemoteException e) { 7990 Log.e(LOG_TAG, "Couldn't switch user", e); 7991 return false; 7992 } finally { 7993 mInjector.binderRestoreCallingIdentity(id); 7994 } 7995 } 7996 } 7997 7998 @Override 7999 public Bundle getApplicationRestrictions(ComponentName who, String callerPackage, 8000 String packageName) { 8001 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8002 DELEGATION_APP_RESTRICTIONS); 8003 8004 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 8005 final long id = mInjector.binderClearCallingIdentity(); 8006 try { 8007 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 8008 // if no restrictions were saved, mUserManager.getApplicationRestrictions 8009 // returns null, but DPM method should return an empty Bundle as per JavaDoc 8010 return bundle != null ? bundle : Bundle.EMPTY; 8011 } finally { 8012 mInjector.binderRestoreCallingIdentity(id); 8013 } 8014 } 8015 8016 @Override 8017 public String[] setPackagesSuspended(ComponentName who, String callerPackage, 8018 String[] packageNames, boolean suspended) { 8019 int callingUserId = UserHandle.getCallingUserId(); 8020 synchronized (this) { 8021 // Ensure the caller is a DO/PO or a package access delegate. 8022 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8023 DELEGATION_PACKAGE_ACCESS); 8024 8025 long id = mInjector.binderClearCallingIdentity(); 8026 try { 8027 return mIPackageManager.setPackagesSuspendedAsUser( 8028 packageNames, suspended, callingUserId); 8029 } catch (RemoteException re) { 8030 // Shouldn't happen. 8031 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8032 } finally { 8033 mInjector.binderRestoreCallingIdentity(id); 8034 } 8035 return packageNames; 8036 } 8037 } 8038 8039 @Override 8040 public boolean isPackageSuspended(ComponentName who, String callerPackage, String packageName) { 8041 int callingUserId = UserHandle.getCallingUserId(); 8042 synchronized (this) { 8043 // Ensure the caller is a DO/PO or a package access delegate. 8044 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8045 DELEGATION_PACKAGE_ACCESS); 8046 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8047 8048 long id = mInjector.binderClearCallingIdentity(); 8049 try { 8050 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 8051 } catch (RemoteException re) { 8052 // Shouldn't happen. 8053 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8054 } finally { 8055 mInjector.binderRestoreCallingIdentity(id); 8056 } 8057 return false; 8058 } 8059 } 8060 8061 @Override 8062 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 8063 Preconditions.checkNotNull(who, "ComponentName is null"); 8064 if (!UserRestrictionsUtils.isValidRestriction(key)) { 8065 return; 8066 } 8067 8068 final int userHandle = mInjector.userHandleGetCallingUserId(); 8069 synchronized (this) { 8070 final ActiveAdmin activeAdmin = 8071 getActiveAdminForCallerLocked(who, 8072 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8073 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 8074 if (isDeviceOwner) { 8075 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 8076 throw new SecurityException("Device owner cannot set user restriction " + key); 8077 } 8078 } else { // profile owner 8079 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 8080 throw new SecurityException("Profile owner cannot set user restriction " + key); 8081 } 8082 } 8083 8084 // Save the restriction to ActiveAdmin. 8085 final Bundle restrictions = activeAdmin.ensureUserRestrictions(); 8086 if (enabledFromThisOwner) { 8087 restrictions.putBoolean(key, true); 8088 } else { 8089 restrictions.remove(key); 8090 } 8091 saveUserRestrictionsLocked(userHandle); 8092 } 8093 } 8094 8095 private void saveUserRestrictionsLocked(int userId) { 8096 saveSettingsLocked(userId); 8097 pushUserRestrictions(userId); 8098 sendChangedNotification(userId); 8099 } 8100 8101 private void pushUserRestrictions(int userId) { 8102 synchronized (this) { 8103 final boolean isDeviceOwner = mOwners.isDeviceOwnerUserId(userId); 8104 final Bundle userRestrictions; 8105 // Whether device owner enforces camera restriction. 8106 boolean disallowCameraGlobally = false; 8107 8108 if (isDeviceOwner) { 8109 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 8110 if (deviceOwner == null) { 8111 return; // Shouldn't happen. 8112 } 8113 userRestrictions = deviceOwner.userRestrictions; 8114 // DO can disable camera globally. 8115 disallowCameraGlobally = deviceOwner.disableCamera; 8116 } else { 8117 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 8118 userRestrictions = profileOwner != null ? profileOwner.userRestrictions : null; 8119 } 8120 8121 // Whether any admin enforces camera restriction. 8122 final int cameraRestrictionScope = 8123 getCameraRestrictionScopeLocked(userId, disallowCameraGlobally); 8124 8125 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, userRestrictions, 8126 isDeviceOwner, cameraRestrictionScope); 8127 } 8128 } 8129 8130 /** 8131 * Get the scope of camera restriction for a given user if any. 8132 */ 8133 private int getCameraRestrictionScopeLocked(int userId, boolean disallowCameraGlobally) { 8134 if (disallowCameraGlobally) { 8135 return UserManagerInternal.CAMERA_DISABLED_GLOBALLY; 8136 } else if (getCameraDisabled( 8137 /* who= */ null, userId, /* mergeDeviceOwnerRestriction= */ false)) { 8138 return UserManagerInternal.CAMERA_DISABLED_LOCALLY; 8139 } 8140 return UserManagerInternal.CAMERA_NOT_DISABLED; 8141 } 8142 8143 @Override 8144 public Bundle getUserRestrictions(ComponentName who) { 8145 if (!mHasFeature) { 8146 return null; 8147 } 8148 Preconditions.checkNotNull(who, "ComponentName is null"); 8149 synchronized (this) { 8150 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 8151 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8152 return activeAdmin.userRestrictions; 8153 } 8154 } 8155 8156 @Override 8157 public boolean setApplicationHidden(ComponentName who, String callerPackage, String packageName, 8158 boolean hidden) { 8159 int callingUserId = UserHandle.getCallingUserId(); 8160 synchronized (this) { 8161 // Ensure the caller is a DO/PO or a package access delegate. 8162 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8163 DELEGATION_PACKAGE_ACCESS); 8164 8165 long id = mInjector.binderClearCallingIdentity(); 8166 try { 8167 return mIPackageManager.setApplicationHiddenSettingAsUser( 8168 packageName, hidden, callingUserId); 8169 } catch (RemoteException re) { 8170 // shouldn't happen 8171 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 8172 } finally { 8173 mInjector.binderRestoreCallingIdentity(id); 8174 } 8175 return false; 8176 } 8177 } 8178 8179 @Override 8180 public boolean isApplicationHidden(ComponentName who, String callerPackage, 8181 String packageName) { 8182 int callingUserId = UserHandle.getCallingUserId(); 8183 synchronized (this) { 8184 // Ensure the caller is a DO/PO or a package access delegate. 8185 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8186 DELEGATION_PACKAGE_ACCESS); 8187 8188 long id = mInjector.binderClearCallingIdentity(); 8189 try { 8190 return mIPackageManager.getApplicationHiddenSettingAsUser( 8191 packageName, callingUserId); 8192 } catch (RemoteException re) { 8193 // shouldn't happen 8194 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 8195 } finally { 8196 mInjector.binderRestoreCallingIdentity(id); 8197 } 8198 return false; 8199 } 8200 } 8201 8202 @Override 8203 public void enableSystemApp(ComponentName who, String callerPackage, String packageName) { 8204 synchronized (this) { 8205 // Ensure the caller is a DO/PO or an enable system app delegate. 8206 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8207 DELEGATION_ENABLE_SYSTEM_APP); 8208 8209 int userId = UserHandle.getCallingUserId(); 8210 long id = mInjector.binderClearCallingIdentity(); 8211 8212 try { 8213 if (VERBOSE_LOG) { 8214 Slog.v(LOG_TAG, "installing " + packageName + " for " 8215 + userId); 8216 } 8217 8218 int parentUserId = getProfileParentId(userId); 8219 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 8220 throw new IllegalArgumentException("Only system apps can be enabled this way."); 8221 } 8222 8223 // Install the app. 8224 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8225 PackageManager.INSTALL_REASON_POLICY); 8226 8227 } catch (RemoteException re) { 8228 // shouldn't happen 8229 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 8230 } finally { 8231 mInjector.binderRestoreCallingIdentity(id); 8232 } 8233 } 8234 } 8235 8236 @Override 8237 public int enableSystemAppWithIntent(ComponentName who, String callerPackage, Intent intent) { 8238 synchronized (this) { 8239 // Ensure the caller is a DO/PO or an enable system app delegate. 8240 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8241 DELEGATION_ENABLE_SYSTEM_APP); 8242 8243 int userId = UserHandle.getCallingUserId(); 8244 long id = mInjector.binderClearCallingIdentity(); 8245 8246 try { 8247 int parentUserId = getProfileParentId(userId); 8248 List<ResolveInfo> activitiesToEnable = mIPackageManager 8249 .queryIntentActivities(intent, 8250 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 8251 PackageManager.MATCH_DIRECT_BOOT_AWARE 8252 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 8253 parentUserId) 8254 .getList(); 8255 8256 if (VERBOSE_LOG) { 8257 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 8258 } 8259 int numberOfAppsInstalled = 0; 8260 if (activitiesToEnable != null) { 8261 for (ResolveInfo info : activitiesToEnable) { 8262 if (info.activityInfo != null) { 8263 String packageName = info.activityInfo.packageName; 8264 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 8265 numberOfAppsInstalled++; 8266 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8267 PackageManager.INSTALL_REASON_POLICY); 8268 } else { 8269 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 8270 + " system app"); 8271 } 8272 } 8273 } 8274 } 8275 return numberOfAppsInstalled; 8276 } catch (RemoteException e) { 8277 // shouldn't happen 8278 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 8279 return 0; 8280 } finally { 8281 mInjector.binderRestoreCallingIdentity(id); 8282 } 8283 } 8284 } 8285 8286 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 8287 throws RemoteException { 8288 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 8289 userId); 8290 if (appInfo == null) { 8291 throw new IllegalArgumentException("The application " + packageName + 8292 " is not present on this device"); 8293 } 8294 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 8295 } 8296 8297 @Override 8298 public void setAccountManagementDisabled(ComponentName who, String accountType, 8299 boolean disabled) { 8300 if (!mHasFeature) { 8301 return; 8302 } 8303 Preconditions.checkNotNull(who, "ComponentName is null"); 8304 synchronized (this) { 8305 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 8306 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8307 if (disabled) { 8308 ap.accountTypesWithManagementDisabled.add(accountType); 8309 } else { 8310 ap.accountTypesWithManagementDisabled.remove(accountType); 8311 } 8312 saveSettingsLocked(UserHandle.getCallingUserId()); 8313 } 8314 } 8315 8316 @Override 8317 public String[] getAccountTypesWithManagementDisabled() { 8318 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 8319 } 8320 8321 @Override 8322 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 8323 enforceFullCrossUsersPermission(userId); 8324 if (!mHasFeature) { 8325 return null; 8326 } 8327 synchronized (this) { 8328 DevicePolicyData policy = getUserData(userId); 8329 final int N = policy.mAdminList.size(); 8330 ArraySet<String> resultSet = new ArraySet<>(); 8331 for (int i = 0; i < N; i++) { 8332 ActiveAdmin admin = policy.mAdminList.get(i); 8333 resultSet.addAll(admin.accountTypesWithManagementDisabled); 8334 } 8335 return resultSet.toArray(new String[resultSet.size()]); 8336 } 8337 } 8338 8339 @Override 8340 public void setUninstallBlocked(ComponentName who, String callerPackage, String packageName, 8341 boolean uninstallBlocked) { 8342 final int userId = UserHandle.getCallingUserId(); 8343 synchronized (this) { 8344 // Ensure the caller is a DO/PO or a block uninstall delegate 8345 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8346 DELEGATION_BLOCK_UNINSTALL); 8347 8348 long id = mInjector.binderClearCallingIdentity(); 8349 try { 8350 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 8351 } catch (RemoteException re) { 8352 // Shouldn't happen. 8353 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 8354 } finally { 8355 mInjector.binderRestoreCallingIdentity(id); 8356 } 8357 } 8358 } 8359 8360 @Override 8361 public boolean isUninstallBlocked(ComponentName who, String packageName) { 8362 // This function should return true if and only if the package is blocked by 8363 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 8364 // when the package is a system app, or when it is an active device admin. 8365 final int userId = UserHandle.getCallingUserId(); 8366 8367 synchronized (this) { 8368 if (who != null) { 8369 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8370 } 8371 8372 long id = mInjector.binderClearCallingIdentity(); 8373 try { 8374 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 8375 } catch (RemoteException re) { 8376 // Shouldn't happen. 8377 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 8378 } finally { 8379 mInjector.binderRestoreCallingIdentity(id); 8380 } 8381 } 8382 return false; 8383 } 8384 8385 @Override 8386 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 8387 if (!mHasFeature) { 8388 return; 8389 } 8390 Preconditions.checkNotNull(who, "ComponentName is null"); 8391 synchronized (this) { 8392 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8393 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8394 if (admin.disableCallerId != disabled) { 8395 admin.disableCallerId = disabled; 8396 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8397 } 8398 } 8399 } 8400 8401 @Override 8402 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 8403 if (!mHasFeature) { 8404 return false; 8405 } 8406 Preconditions.checkNotNull(who, "ComponentName is null"); 8407 synchronized (this) { 8408 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8409 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8410 return admin.disableCallerId; 8411 } 8412 } 8413 8414 @Override 8415 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 8416 enforceCrossUsersPermission(userId); 8417 synchronized (this) { 8418 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8419 return (admin != null) ? admin.disableCallerId : false; 8420 } 8421 } 8422 8423 @Override 8424 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 8425 if (!mHasFeature) { 8426 return; 8427 } 8428 Preconditions.checkNotNull(who, "ComponentName is null"); 8429 synchronized (this) { 8430 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8431 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8432 if (admin.disableContactsSearch != disabled) { 8433 admin.disableContactsSearch = disabled; 8434 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8435 } 8436 } 8437 } 8438 8439 @Override 8440 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 8441 if (!mHasFeature) { 8442 return false; 8443 } 8444 Preconditions.checkNotNull(who, "ComponentName is null"); 8445 synchronized (this) { 8446 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8447 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8448 return admin.disableContactsSearch; 8449 } 8450 } 8451 8452 @Override 8453 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 8454 enforceCrossUsersPermission(userId); 8455 synchronized (this) { 8456 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8457 return (admin != null) ? admin.disableContactsSearch : false; 8458 } 8459 } 8460 8461 @Override 8462 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 8463 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 8464 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 8465 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 8466 final int callingUserId = UserHandle.getCallingUserId(); 8467 8468 final long ident = mInjector.binderClearCallingIdentity(); 8469 try { 8470 synchronized (this) { 8471 final int managedUserId = getManagedUserId(callingUserId); 8472 if (managedUserId < 0) { 8473 return; 8474 } 8475 if (isCrossProfileQuickContactDisabled(managedUserId)) { 8476 if (VERBOSE_LOG) { 8477 Log.v(LOG_TAG, 8478 "Cross-profile contacts access disabled for user " + managedUserId); 8479 } 8480 return; 8481 } 8482 ContactsInternal.startQuickContactWithErrorToastForUser( 8483 mContext, intent, new UserHandle(managedUserId)); 8484 } 8485 } finally { 8486 mInjector.binderRestoreCallingIdentity(ident); 8487 } 8488 } 8489 8490 /** 8491 * @return true if cross-profile QuickContact is disabled 8492 */ 8493 private boolean isCrossProfileQuickContactDisabled(int userId) { 8494 return getCrossProfileCallerIdDisabledForUser(userId) 8495 && getCrossProfileContactsSearchDisabledForUser(userId); 8496 } 8497 8498 /** 8499 * @return the user ID of the managed user that is linked to the current user, if any. 8500 * Otherwise -1. 8501 */ 8502 public int getManagedUserId(int callingUserId) { 8503 if (VERBOSE_LOG) { 8504 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8505 } 8506 8507 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8508 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8509 continue; // Caller user self, or not a managed profile. Skip. 8510 } 8511 if (VERBOSE_LOG) { 8512 Log.v(LOG_TAG, "Managed user=" + ui.id); 8513 } 8514 return ui.id; 8515 } 8516 if (VERBOSE_LOG) { 8517 Log.v(LOG_TAG, "Managed user not found."); 8518 } 8519 return -1; 8520 } 8521 8522 @Override 8523 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8524 if (!mHasFeature) { 8525 return; 8526 } 8527 Preconditions.checkNotNull(who, "ComponentName is null"); 8528 synchronized (this) { 8529 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8530 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8531 if (admin.disableBluetoothContactSharing != disabled) { 8532 admin.disableBluetoothContactSharing = disabled; 8533 saveSettingsLocked(UserHandle.getCallingUserId()); 8534 } 8535 } 8536 } 8537 8538 @Override 8539 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8540 if (!mHasFeature) { 8541 return false; 8542 } 8543 Preconditions.checkNotNull(who, "ComponentName is null"); 8544 synchronized (this) { 8545 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8546 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8547 return admin.disableBluetoothContactSharing; 8548 } 8549 } 8550 8551 @Override 8552 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8553 // TODO: Should there be a check to make sure this relationship is 8554 // within a profile group? 8555 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8556 synchronized (this) { 8557 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8558 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8559 } 8560 } 8561 8562 /** 8563 * Sets which packages may enter lock task mode. 8564 * 8565 * <p>This function can only be called by the device owner or alternatively by the profile owner 8566 * in case the user is affiliated. 8567 * 8568 * @param packages The list of packages allowed to enter lock task mode. 8569 */ 8570 @Override 8571 public void setLockTaskPackages(ComponentName who, String[] packages) 8572 throws SecurityException { 8573 Preconditions.checkNotNull(who, "ComponentName is null"); 8574 8575 synchronized (this) { 8576 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8577 final int userHandle = mInjector.userHandleGetCallingUserId(); 8578 if (isUserAffiliatedWithDeviceLocked(userHandle)) { 8579 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8580 } else { 8581 throw new SecurityException("Admin " + who + 8582 " is neither the device owner or affiliated user's profile owner."); 8583 } 8584 } 8585 } 8586 8587 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8588 DevicePolicyData policy = getUserData(userHandle); 8589 policy.mLockTaskPackages = packages; 8590 8591 // Store the settings persistently. 8592 saveSettingsLocked(userHandle); 8593 updateLockTaskPackagesLocked(packages, userHandle); 8594 } 8595 8596 /** 8597 * This function returns the list of components allowed to start the task lock mode. 8598 */ 8599 @Override 8600 public String[] getLockTaskPackages(ComponentName who) { 8601 Preconditions.checkNotNull(who, "ComponentName is null"); 8602 synchronized (this) { 8603 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8604 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8605 final List<String> packages = getLockTaskPackagesLocked(userHandle); 8606 return packages.toArray(new String[packages.size()]); 8607 } 8608 } 8609 8610 private List<String> getLockTaskPackagesLocked(int userHandle) { 8611 final DevicePolicyData policy = getUserData(userHandle); 8612 return policy.mLockTaskPackages; 8613 } 8614 8615 /** 8616 * This function lets the caller know whether the given package is allowed to start the 8617 * lock task mode. 8618 * @param pkg The package to check 8619 */ 8620 @Override 8621 public boolean isLockTaskPermitted(String pkg) { 8622 // Get current user's devicepolicy 8623 int uid = mInjector.binderGetCallingUid(); 8624 int userHandle = UserHandle.getUserId(uid); 8625 DevicePolicyData policy = getUserData(userHandle); 8626 synchronized (this) { 8627 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 8628 String lockTaskPackage = policy.mLockTaskPackages.get(i); 8629 8630 // If the given package equals one of the packages stored our list, 8631 // we allow this package to start lock task mode. 8632 if (lockTaskPackage.equals(pkg)) { 8633 return true; 8634 } 8635 } 8636 } 8637 return false; 8638 } 8639 8640 @Override 8641 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8642 if (!isCallerWithSystemUid()) { 8643 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8644 } 8645 synchronized (this) { 8646 final DevicePolicyData policy = getUserData(userHandle); 8647 Bundle adminExtras = new Bundle(); 8648 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8649 for (ActiveAdmin admin : policy.mAdminList) { 8650 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8651 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8652 if (ownsDevice || ownsProfile) { 8653 if (isEnabled) { 8654 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8655 adminExtras, null); 8656 } else { 8657 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8658 } 8659 } 8660 } 8661 } 8662 } 8663 8664 @Override 8665 public void setGlobalSetting(ComponentName who, String setting, String value) { 8666 Preconditions.checkNotNull(who, "ComponentName is null"); 8667 8668 synchronized (this) { 8669 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8670 8671 // Some settings are no supported any more. However we do not want to throw a 8672 // SecurityException to avoid breaking apps. 8673 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8674 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8675 return; 8676 } 8677 8678 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8679 throw new SecurityException(String.format( 8680 "Permission denial: device owners cannot update %1$s", setting)); 8681 } 8682 8683 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8684 // ignore if it contradicts an existing policy 8685 long timeMs = getMaximumTimeToLock( 8686 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8687 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8688 return; 8689 } 8690 } 8691 8692 long id = mInjector.binderClearCallingIdentity(); 8693 try { 8694 mInjector.settingsGlobalPutString(setting, value); 8695 } finally { 8696 mInjector.binderRestoreCallingIdentity(id); 8697 } 8698 } 8699 } 8700 8701 @Override 8702 public void setSecureSetting(ComponentName who, String setting, String value) { 8703 Preconditions.checkNotNull(who, "ComponentName is null"); 8704 int callingUserId = mInjector.userHandleGetCallingUserId(); 8705 8706 synchronized (this) { 8707 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8708 8709 if (isDeviceOwner(who, callingUserId)) { 8710 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8711 throw new SecurityException(String.format( 8712 "Permission denial: Device owners cannot update %1$s", setting)); 8713 } 8714 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8715 throw new SecurityException(String.format( 8716 "Permission denial: Profile owners cannot update %1$s", setting)); 8717 } 8718 8719 long id = mInjector.binderClearCallingIdentity(); 8720 try { 8721 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8722 } finally { 8723 mInjector.binderRestoreCallingIdentity(id); 8724 } 8725 } 8726 } 8727 8728 @Override 8729 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8730 Preconditions.checkNotNull(who, "ComponentName is null"); 8731 synchronized (this) { 8732 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8733 setUserRestriction(who, UserManager.DISALLLOW_UNMUTE_DEVICE, on); 8734 } 8735 } 8736 8737 @Override 8738 public boolean isMasterVolumeMuted(ComponentName who) { 8739 Preconditions.checkNotNull(who, "ComponentName is null"); 8740 synchronized (this) { 8741 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8742 8743 AudioManager audioManager = 8744 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8745 return audioManager.isMasterMute(); 8746 } 8747 } 8748 8749 @Override 8750 public void setUserIcon(ComponentName who, Bitmap icon) { 8751 synchronized (this) { 8752 Preconditions.checkNotNull(who, "ComponentName is null"); 8753 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8754 8755 int userId = UserHandle.getCallingUserId(); 8756 long id = mInjector.binderClearCallingIdentity(); 8757 try { 8758 mUserManagerInternal.setUserIcon(userId, icon); 8759 } finally { 8760 mInjector.binderRestoreCallingIdentity(id); 8761 } 8762 } 8763 } 8764 8765 @Override 8766 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8767 Preconditions.checkNotNull(who, "ComponentName is null"); 8768 synchronized (this) { 8769 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8770 } 8771 final int userId = UserHandle.getCallingUserId(); 8772 8773 long ident = mInjector.binderClearCallingIdentity(); 8774 try { 8775 // disallow disabling the keyguard if a password is currently set 8776 if (disabled && mLockPatternUtils.isSecure(userId)) { 8777 return false; 8778 } 8779 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8780 } finally { 8781 mInjector.binderRestoreCallingIdentity(ident); 8782 } 8783 return true; 8784 } 8785 8786 @Override 8787 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8788 int userId = UserHandle.getCallingUserId(); 8789 synchronized (this) { 8790 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8791 DevicePolicyData policy = getUserData(userId); 8792 if (policy.mStatusBarDisabled != disabled) { 8793 if (!setStatusBarDisabledInternal(disabled, userId)) { 8794 return false; 8795 } 8796 policy.mStatusBarDisabled = disabled; 8797 saveSettingsLocked(userId); 8798 } 8799 } 8800 return true; 8801 } 8802 8803 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8804 long ident = mInjector.binderClearCallingIdentity(); 8805 try { 8806 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8807 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8808 if (statusBarService != null) { 8809 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8810 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8811 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8812 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8813 return true; 8814 } 8815 } catch (RemoteException e) { 8816 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8817 } finally { 8818 mInjector.binderRestoreCallingIdentity(ident); 8819 } 8820 return false; 8821 } 8822 8823 /** 8824 * We need to update the internal state of whether a user has completed setup or a 8825 * device has paired once. After that, we ignore any changes that reset the 8826 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 8827 * as we don't trust any apps that might try to reset them. 8828 * <p> 8829 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8830 * them. 8831 */ 8832 void updateUserSetupCompleteAndPaired() { 8833 List<UserInfo> users = mUserManager.getUsers(true); 8834 final int N = users.size(); 8835 for (int i = 0; i < N; i++) { 8836 int userHandle = users.get(i).id; 8837 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8838 userHandle) != 0) { 8839 DevicePolicyData policy = getUserData(userHandle); 8840 if (!policy.mUserSetupComplete) { 8841 policy.mUserSetupComplete = true; 8842 synchronized (this) { 8843 saveSettingsLocked(userHandle); 8844 } 8845 } 8846 } 8847 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 8848 userHandle) != 0) { 8849 DevicePolicyData policy = getUserData(userHandle); 8850 if (!policy.mPaired) { 8851 policy.mPaired = true; 8852 synchronized (this) { 8853 saveSettingsLocked(userHandle); 8854 } 8855 } 8856 } 8857 } 8858 } 8859 8860 private class SetupContentObserver extends ContentObserver { 8861 8862 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8863 Settings.Secure.USER_SETUP_COMPLETE); 8864 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8865 Settings.Global.DEVICE_PROVISIONED); 8866 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 8867 8868 public SetupContentObserver(Handler handler) { 8869 super(handler); 8870 } 8871 8872 void register() { 8873 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8874 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8875 if (mIsWatch) { 8876 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 8877 } 8878 } 8879 8880 @Override 8881 public void onChange(boolean selfChange, Uri uri) { 8882 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 8883 updateUserSetupCompleteAndPaired(); 8884 } else if (mDeviceProvisioned.equals(uri)) { 8885 synchronized (DevicePolicyManagerService.this) { 8886 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8887 // is delayed until device is marked as provisioned. 8888 setDeviceOwnerSystemPropertyLocked(); 8889 } 8890 } 8891 } 8892 } 8893 8894 @VisibleForTesting 8895 final class LocalService extends DevicePolicyManagerInternal { 8896 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8897 8898 @Override 8899 public List<String> getCrossProfileWidgetProviders(int profileId) { 8900 synchronized (DevicePolicyManagerService.this) { 8901 if (mOwners == null) { 8902 return Collections.emptyList(); 8903 } 8904 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8905 if (ownerComponent == null) { 8906 return Collections.emptyList(); 8907 } 8908 8909 DevicePolicyData policy = getUserDataUnchecked(profileId); 8910 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8911 8912 if (admin == null || admin.crossProfileWidgetProviders == null 8913 || admin.crossProfileWidgetProviders.isEmpty()) { 8914 return Collections.emptyList(); 8915 } 8916 8917 return admin.crossProfileWidgetProviders; 8918 } 8919 } 8920 8921 @Override 8922 public void addOnCrossProfileWidgetProvidersChangeListener( 8923 OnCrossProfileWidgetProvidersChangeListener listener) { 8924 synchronized (DevicePolicyManagerService.this) { 8925 if (mWidgetProviderListeners == null) { 8926 mWidgetProviderListeners = new ArrayList<>(); 8927 } 8928 if (!mWidgetProviderListeners.contains(listener)) { 8929 mWidgetProviderListeners.add(listener); 8930 } 8931 } 8932 } 8933 8934 @Override 8935 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8936 synchronized(DevicePolicyManagerService.this) { 8937 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8938 } 8939 } 8940 8941 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8942 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8943 synchronized (DevicePolicyManagerService.this) { 8944 listeners = new ArrayList<>(mWidgetProviderListeners); 8945 } 8946 final int listenerCount = listeners.size(); 8947 for (int i = 0; i < listenerCount; i++) { 8948 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8949 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8950 } 8951 } 8952 8953 @Override 8954 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 8955 // This method is called from AM with its lock held, so don't take the DPMS lock. 8956 // b/29242568 8957 8958 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8959 if (profileOwner != null) { 8960 return DevicePolicyManagerService.this 8961 .createShowAdminSupportIntent(profileOwner, userId); 8962 } 8963 8964 final Pair<Integer, ComponentName> deviceOwner = 8965 mOwners.getDeviceOwnerUserIdAndComponent(); 8966 if (deviceOwner != null && deviceOwner.first == userId) { 8967 return DevicePolicyManagerService.this 8968 .createShowAdminSupportIntent(deviceOwner.second, userId); 8969 } 8970 8971 // We're not specifying the device admin because there isn't one. 8972 if (useDefaultIfNoAdmin) { 8973 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 8974 } 8975 return null; 8976 } 8977 8978 @Override 8979 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 8980 int source; 8981 long ident = mInjector.binderClearCallingIdentity(); 8982 try { 8983 source = mUserManager.getUserRestrictionSource(userRestriction, 8984 UserHandle.of(userId)); 8985 } finally { 8986 mInjector.binderRestoreCallingIdentity(ident); 8987 } 8988 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 8989 /* 8990 * In this case, the user restriction is enforced by the system. 8991 * So we won't show an admin support intent, even if it is also 8992 * enforced by a profile/device owner. 8993 */ 8994 return null; 8995 } 8996 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 8997 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 8998 if (enforcedByDo && enforcedByPo) { 8999 // In this case, we'll show an admin support dialog that does not 9000 // specify the admin. 9001 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 9002 } else if (enforcedByPo) { 9003 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 9004 if (profileOwner != null) { 9005 return DevicePolicyManagerService.this 9006 .createShowAdminSupportIntent(profileOwner, userId); 9007 } 9008 // This could happen if another thread has changed the profile owner since we called 9009 // getUserRestrictionSource 9010 return null; 9011 } else if (enforcedByDo) { 9012 final Pair<Integer, ComponentName> deviceOwner 9013 = mOwners.getDeviceOwnerUserIdAndComponent(); 9014 if (deviceOwner != null) { 9015 return DevicePolicyManagerService.this 9016 .createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 9017 } 9018 // This could happen if another thread has changed the device owner since we called 9019 // getUserRestrictionSource 9020 return null; 9021 } 9022 return null; 9023 } 9024 } 9025 9026 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 9027 // This method is called with AMS lock held, so don't take DPMS lock 9028 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 9029 intent.putExtra(Intent.EXTRA_USER_ID, userId); 9030 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 9031 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9032 return intent; 9033 } 9034 9035 @Override 9036 public Intent createAdminSupportIntent(String restriction) { 9037 Preconditions.checkNotNull(restriction); 9038 final int uid = mInjector.binderGetCallingUid(); 9039 final int userId = UserHandle.getUserId(uid); 9040 Intent intent = null; 9041 if (DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction) || 9042 DevicePolicyManager.POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction)) { 9043 synchronized(this) { 9044 final DevicePolicyData policy = getUserData(userId); 9045 final int N = policy.mAdminList.size(); 9046 for (int i = 0; i < N; i++) { 9047 final ActiveAdmin admin = policy.mAdminList.get(i); 9048 if ((admin.disableCamera && 9049 DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) || 9050 (admin.disableScreenCapture && DevicePolicyManager 9051 .POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction))) { 9052 intent = createShowAdminSupportIntent(admin.info.getComponent(), userId); 9053 break; 9054 } 9055 } 9056 // For the camera, a device owner on a different user can disable it globally, 9057 // so we need an additional check. 9058 if (intent == null 9059 && DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) { 9060 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 9061 if (admin != null && admin.disableCamera) { 9062 intent = createShowAdminSupportIntent(admin.info.getComponent(), 9063 mOwners.getDeviceOwnerUserId()); 9064 } 9065 } 9066 } 9067 } else { 9068 // if valid, |restriction| can only be a user restriction 9069 intent = mLocalService.createUserRestrictionSupportIntent(userId, restriction); 9070 } 9071 if (intent != null) { 9072 intent.putExtra(DevicePolicyManager.EXTRA_RESTRICTION, restriction); 9073 } 9074 return intent; 9075 } 9076 9077 /** 9078 * Returns true if specified admin is allowed to limit passwords and has a 9079 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 9080 */ 9081 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 9082 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 9083 return false; 9084 } 9085 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 9086 } 9087 9088 @Override 9089 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 9090 if (policy != null && !policy.isValid()) { 9091 throw new IllegalArgumentException("Invalid system update policy."); 9092 } 9093 synchronized (this) { 9094 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9095 if (policy == null) { 9096 mOwners.clearSystemUpdatePolicy(); 9097 } else { 9098 mOwners.setSystemUpdatePolicy(policy); 9099 } 9100 mOwners.writeDeviceOwner(); 9101 } 9102 mContext.sendBroadcastAsUser( 9103 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 9104 UserHandle.SYSTEM); 9105 } 9106 9107 @Override 9108 public SystemUpdatePolicy getSystemUpdatePolicy() { 9109 if (UserManager.isDeviceInDemoMode(mContext)) { 9110 // Pretending to have an automatic update policy when the device is in retail demo 9111 // mode. This will allow the device to download and install an ota without 9112 // any user interaction. 9113 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 9114 } 9115 synchronized (this) { 9116 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 9117 if (policy != null && !policy.isValid()) { 9118 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 9119 return null; 9120 } 9121 return policy; 9122 } 9123 } 9124 9125 /** 9126 * Checks if the caller of the method is the device owner app. 9127 * 9128 * @param callerUid UID of the caller. 9129 * @return true if the caller is the device owner app 9130 */ 9131 @VisibleForTesting 9132 boolean isCallerDeviceOwner(int callerUid) { 9133 synchronized (this) { 9134 if (!mOwners.hasDeviceOwner()) { 9135 return false; 9136 } 9137 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 9138 return false; 9139 } 9140 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 9141 .getPackageName(); 9142 final String[] pkgs = mInjector.getPackageManager().getPackagesForUid(callerUid); 9143 9144 for (String pkg : pkgs) { 9145 if (deviceOwnerPackageName.equals(pkg)) { 9146 return true; 9147 } 9148 } 9149 } 9150 9151 return false; 9152 } 9153 9154 @Override 9155 public void notifyPendingSystemUpdate(@Nullable SystemUpdateInfo info) { 9156 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 9157 "Only the system update service can broadcast update information"); 9158 9159 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 9160 Slog.w(LOG_TAG, "Only the system update service in the system user " + 9161 "can broadcast update information."); 9162 return; 9163 } 9164 9165 if (!mOwners.saveSystemUpdateInfo(info)) { 9166 // Pending system update hasn't changed, don't send duplicate notification. 9167 return; 9168 } 9169 9170 final Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE) 9171 .putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 9172 info == null ? -1 : info.getReceivedTime()); 9173 9174 final long ident = mInjector.binderClearCallingIdentity(); 9175 try { 9176 synchronized (this) { 9177 // Broadcast to device owner first if there is one. 9178 if (mOwners.hasDeviceOwner()) { 9179 final UserHandle deviceOwnerUser = 9180 UserHandle.of(mOwners.getDeviceOwnerUserId()); 9181 intent.setComponent(mOwners.getDeviceOwnerComponent()); 9182 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 9183 } 9184 } 9185 // Get running users. 9186 final int runningUserIds[]; 9187 try { 9188 runningUserIds = mInjector.getIActivityManager().getRunningUserIds(); 9189 } catch (RemoteException e) { 9190 // Shouldn't happen. 9191 Log.e(LOG_TAG, "Could not retrieve the list of running users", e); 9192 return; 9193 } 9194 // Send broadcasts to corresponding profile owners if any. 9195 for (final int userId : runningUserIds) { 9196 synchronized (this) { 9197 final ComponentName profileOwnerPackage = 9198 mOwners.getProfileOwnerComponent(userId); 9199 if (profileOwnerPackage != null) { 9200 intent.setComponent(profileOwnerPackage); 9201 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 9202 } 9203 } 9204 } 9205 } finally { 9206 mInjector.binderRestoreCallingIdentity(ident); 9207 } 9208 } 9209 9210 @Override 9211 public SystemUpdateInfo getPendingSystemUpdate(ComponentName admin) { 9212 Preconditions.checkNotNull(admin, "ComponentName is null"); 9213 enforceProfileOrDeviceOwner(admin); 9214 9215 return mOwners.getSystemUpdateInfo(); 9216 } 9217 9218 @Override 9219 public void setPermissionPolicy(ComponentName admin, String callerPackage, int policy) 9220 throws RemoteException { 9221 int userId = UserHandle.getCallingUserId(); 9222 synchronized (this) { 9223 // Ensure the caller is a DO/PO or a permission grant state delegate. 9224 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9225 DELEGATION_PERMISSION_GRANT); 9226 DevicePolicyData userPolicy = getUserData(userId); 9227 if (userPolicy.mPermissionPolicy != policy) { 9228 userPolicy.mPermissionPolicy = policy; 9229 saveSettingsLocked(userId); 9230 } 9231 } 9232 } 9233 9234 @Override 9235 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 9236 int userId = UserHandle.getCallingUserId(); 9237 synchronized (this) { 9238 DevicePolicyData userPolicy = getUserData(userId); 9239 return userPolicy.mPermissionPolicy; 9240 } 9241 } 9242 9243 @Override 9244 public boolean setPermissionGrantState(ComponentName admin, String callerPackage, 9245 String packageName, String permission, int grantState) throws RemoteException { 9246 UserHandle user = mInjector.binderGetCallingUserHandle(); 9247 synchronized (this) { 9248 // Ensure the caller is a DO/PO or a permission grant state delegate. 9249 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9250 DELEGATION_PERMISSION_GRANT); 9251 long ident = mInjector.binderClearCallingIdentity(); 9252 try { 9253 if (getTargetSdk(packageName, user.getIdentifier()) 9254 < android.os.Build.VERSION_CODES.M) { 9255 return false; 9256 } 9257 final PackageManager packageManager = mInjector.getPackageManager(); 9258 switch (grantState) { 9259 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 9260 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 9261 permission, user.getIdentifier(), true /* override policy */); 9262 packageManager.updatePermissionFlags(permission, packageName, 9263 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9264 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9265 } break; 9266 9267 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 9268 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 9269 permission, user.getIdentifier(), true /* override policy */); 9270 packageManager.updatePermissionFlags(permission, packageName, 9271 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9272 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9273 } break; 9274 9275 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 9276 packageManager.updatePermissionFlags(permission, packageName, 9277 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 9278 } break; 9279 } 9280 return true; 9281 } catch (SecurityException se) { 9282 return false; 9283 } finally { 9284 mInjector.binderRestoreCallingIdentity(ident); 9285 } 9286 } 9287 } 9288 9289 @Override 9290 public int getPermissionGrantState(ComponentName admin, String callerPackage, 9291 String packageName, String permission) throws RemoteException { 9292 PackageManager packageManager = mInjector.getPackageManager(); 9293 9294 UserHandle user = mInjector.binderGetCallingUserHandle(); 9295 if (!isCallerWithSystemUid()) { 9296 // Ensure the caller is a DO/PO or a permission grant state delegate. 9297 enforceCanManageScope(admin, callerPackage, 9298 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, DELEGATION_PERMISSION_GRANT); 9299 } 9300 synchronized (this) { 9301 long ident = mInjector.binderClearCallingIdentity(); 9302 try { 9303 int granted = mIPackageManager.checkPermission(permission, 9304 packageName, user.getIdentifier()); 9305 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 9306 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 9307 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 9308 // Not controlled by policy 9309 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 9310 } else { 9311 // Policy controlled so return result based on permission grant state 9312 return granted == PackageManager.PERMISSION_GRANTED 9313 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 9314 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 9315 } 9316 } finally { 9317 mInjector.binderRestoreCallingIdentity(ident); 9318 } 9319 } 9320 } 9321 9322 boolean isPackageInstalledForUser(String packageName, int userHandle) { 9323 try { 9324 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 9325 userHandle); 9326 return (pi != null) && (pi.applicationInfo.flags != 0); 9327 } catch (RemoteException re) { 9328 throw new RuntimeException("Package manager has died", re); 9329 } 9330 } 9331 9332 @Override 9333 public boolean isProvisioningAllowed(String action, String packageName) { 9334 Preconditions.checkNotNull(packageName); 9335 9336 final int callingUid = mInjector.binderGetCallingUid(); 9337 final long ident = mInjector.binderClearCallingIdentity(); 9338 try { 9339 final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( 9340 packageName, UserHandle.getUserId(callingUid)); 9341 Preconditions.checkArgument(callingUid == uidForPackage, 9342 "Caller uid doesn't match the one for the provided package."); 9343 } catch (NameNotFoundException e) { 9344 throw new IllegalArgumentException("Invalid package provided " + packageName, e); 9345 } finally { 9346 mInjector.binderRestoreCallingIdentity(ident); 9347 } 9348 9349 return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; 9350 } 9351 9352 @Override 9353 public int checkProvisioningPreCondition(String action, String packageName) { 9354 Preconditions.checkNotNull(packageName); 9355 enforceCanManageProfileAndDeviceOwners(); 9356 return checkProvisioningPreConditionSkipPermission(action, packageName); 9357 } 9358 9359 private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { 9360 if (!mHasFeature) { 9361 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 9362 } 9363 9364 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9365 if (action != null) { 9366 switch (action) { 9367 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 9368 return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); 9369 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 9370 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9371 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 9372 return checkManagedUserProvisioningPreCondition(callingUserId); 9373 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 9374 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 9375 } 9376 } 9377 throw new IllegalArgumentException("Unknown provisioning action " + action); 9378 } 9379 9380 /** 9381 * The device owner can only be set before the setup phase of the primary user has completed, 9382 * except for adb command if no accounts or additional users are present on the device. 9383 */ 9384 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 9385 int deviceOwnerUserId, boolean isAdb, boolean hasIncompatibleAccountsOrNonAdb) { 9386 if (mOwners.hasDeviceOwner()) { 9387 return CODE_HAS_DEVICE_OWNER; 9388 } 9389 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 9390 return CODE_USER_HAS_PROFILE_OWNER; 9391 } 9392 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 9393 return CODE_USER_NOT_RUNNING; 9394 } 9395 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9396 return CODE_HAS_PAIRED; 9397 } 9398 if (isAdb) { 9399 // if shell command runs after user setup completed check device status. Otherwise, OK. 9400 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9401 if (!mInjector.userManagerIsSplitSystemUser()) { 9402 if (mUserManager.getUserCount() > 1) { 9403 return CODE_NONSYSTEM_USER_EXISTS; 9404 } 9405 if (hasIncompatibleAccountsOrNonAdb) { 9406 return CODE_ACCOUNTS_NOT_EMPTY; 9407 } 9408 } else { 9409 // STOPSHIP Do proper check in split user mode 9410 } 9411 } 9412 return CODE_OK; 9413 } else { 9414 if (!mInjector.userManagerIsSplitSystemUser()) { 9415 // In non-split user mode, DO has to be user 0 9416 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 9417 return CODE_NOT_SYSTEM_USER; 9418 } 9419 // In non-split user mode, only provision DO before setup wizard completes 9420 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9421 return CODE_USER_SETUP_COMPLETED; 9422 } 9423 } else { 9424 // STOPSHIP Do proper check in split user mode 9425 } 9426 return CODE_OK; 9427 } 9428 } 9429 9430 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 9431 synchronized (this) { 9432 // hasIncompatibleAccountsOrNonAdb doesn't matter since the caller is not adb. 9433 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 9434 deviceOwnerUserId, /* isAdb= */ false, 9435 /* hasIncompatibleAccountsOrNonAdb=*/ true); 9436 } 9437 } 9438 9439 private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { 9440 if (!hasFeatureManagedUsers()) { 9441 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9442 } 9443 if (callingUserId == UserHandle.USER_SYSTEM 9444 && mInjector.userManagerIsSplitSystemUser()) { 9445 // Managed-profiles cannot be setup on the system user. 9446 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 9447 } 9448 if (getProfileOwner(callingUserId) != null) { 9449 // Managed user cannot have a managed profile. 9450 return CODE_USER_HAS_PROFILE_OWNER; 9451 } 9452 9453 final long ident = mInjector.binderClearCallingIdentity(); 9454 try { 9455 final UserHandle callingUserHandle = UserHandle.of(callingUserId); 9456 final ComponentName ownerAdmin = getOwnerComponent(packageName, callingUserId); 9457 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_MANAGED_PROFILE, 9458 callingUserHandle)) { 9459 // An admin can initiate provisioning if it has set the restriction. 9460 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9461 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { 9462 return CODE_ADD_MANAGED_PROFILE_DISALLOWED; 9463 } 9464 } 9465 boolean canRemoveProfile = true; 9466 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9467 callingUserHandle)) { 9468 // We can remove a profile if the admin itself has set the restriction. 9469 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9470 UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9471 callingUserId)) { 9472 canRemoveProfile = false; 9473 } 9474 } 9475 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 9476 return CODE_CANNOT_ADD_MANAGED_PROFILE; 9477 } 9478 } finally { 9479 mInjector.binderRestoreCallingIdentity(ident); 9480 } 9481 return CODE_OK; 9482 } 9483 9484 private ComponentName getOwnerComponent(String packageName, int userId) { 9485 if (isDeviceOwnerPackage(packageName, userId)) { 9486 return mOwners.getDeviceOwnerComponent(); 9487 } 9488 if (isProfileOwnerPackage(packageName, userId)) { 9489 return mOwners.getProfileOwnerComponent(userId); 9490 } 9491 return null; 9492 } 9493 9494 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 9495 if (!hasFeatureManagedUsers()) { 9496 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9497 } 9498 if (!mInjector.userManagerIsSplitSystemUser()) { 9499 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 9500 return CODE_NOT_SYSTEM_USER_SPLIT; 9501 } 9502 if (callingUserId == UserHandle.USER_SYSTEM) { 9503 // System user cannot be a managed user. 9504 return CODE_SYSTEM_USER; 9505 } 9506 if (hasUserSetupCompleted(callingUserId)) { 9507 return CODE_USER_SETUP_COMPLETED; 9508 } 9509 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9510 return CODE_HAS_PAIRED; 9511 } 9512 return CODE_OK; 9513 } 9514 9515 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 9516 if (!mInjector.userManagerIsSplitSystemUser()) { 9517 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 9518 return CODE_NOT_SYSTEM_USER_SPLIT; 9519 } 9520 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9521 } 9522 9523 private boolean hasFeatureManagedUsers() { 9524 try { 9525 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 9526 } catch (RemoteException e) { 9527 return false; 9528 } 9529 } 9530 9531 @Override 9532 public String getWifiMacAddress(ComponentName admin) { 9533 // Make sure caller has DO. 9534 synchronized (this) { 9535 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9536 } 9537 9538 final long ident = mInjector.binderClearCallingIdentity(); 9539 try { 9540 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 9541 if (wifiInfo == null) { 9542 return null; 9543 } 9544 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 9545 } finally { 9546 mInjector.binderRestoreCallingIdentity(ident); 9547 } 9548 } 9549 9550 /** 9551 * Returns the target sdk version number that the given packageName was built for 9552 * in the given user. 9553 */ 9554 private int getTargetSdk(String packageName, int userId) { 9555 final ApplicationInfo ai; 9556 try { 9557 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 9558 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 9559 return targetSdkVersion; 9560 } catch (RemoteException e) { 9561 // Shouldn't happen 9562 return 0; 9563 } 9564 } 9565 9566 @Override 9567 public boolean isManagedProfile(ComponentName admin) { 9568 enforceProfileOrDeviceOwner(admin); 9569 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 9570 } 9571 9572 @Override 9573 public boolean isSystemOnlyUser(ComponentName admin) { 9574 synchronized (this) { 9575 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9576 } 9577 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9578 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 9579 } 9580 9581 @Override 9582 public void reboot(ComponentName admin) { 9583 Preconditions.checkNotNull(admin); 9584 // Make sure caller has DO. 9585 synchronized (this) { 9586 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9587 } 9588 long ident = mInjector.binderClearCallingIdentity(); 9589 try { 9590 // Make sure there are no ongoing calls on the device. 9591 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 9592 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 9593 } 9594 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 9595 } finally { 9596 mInjector.binderRestoreCallingIdentity(ident); 9597 } 9598 } 9599 9600 @Override 9601 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9602 if (!mHasFeature) { 9603 return; 9604 } 9605 Preconditions.checkNotNull(who, "ComponentName is null"); 9606 final int userHandle = mInjector.userHandleGetCallingUserId(); 9607 synchronized (this) { 9608 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9609 mInjector.binderGetCallingUid()); 9610 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9611 admin.shortSupportMessage = message; 9612 saveSettingsLocked(userHandle); 9613 } 9614 } 9615 } 9616 9617 @Override 9618 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9619 if (!mHasFeature) { 9620 return null; 9621 } 9622 Preconditions.checkNotNull(who, "ComponentName is null"); 9623 synchronized (this) { 9624 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9625 mInjector.binderGetCallingUid()); 9626 return admin.shortSupportMessage; 9627 } 9628 } 9629 9630 @Override 9631 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9632 if (!mHasFeature) { 9633 return; 9634 } 9635 Preconditions.checkNotNull(who, "ComponentName is null"); 9636 final int userHandle = mInjector.userHandleGetCallingUserId(); 9637 synchronized (this) { 9638 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9639 mInjector.binderGetCallingUid()); 9640 if (!TextUtils.equals(admin.longSupportMessage, message)) { 9641 admin.longSupportMessage = message; 9642 saveSettingsLocked(userHandle); 9643 } 9644 } 9645 } 9646 9647 @Override 9648 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 9649 if (!mHasFeature) { 9650 return null; 9651 } 9652 Preconditions.checkNotNull(who, "ComponentName is null"); 9653 synchronized (this) { 9654 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9655 mInjector.binderGetCallingUid()); 9656 return admin.longSupportMessage; 9657 } 9658 } 9659 9660 @Override 9661 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9662 if (!mHasFeature) { 9663 return null; 9664 } 9665 Preconditions.checkNotNull(who, "ComponentName is null"); 9666 if (!isCallerWithSystemUid()) { 9667 throw new SecurityException("Only the system can query support message for user"); 9668 } 9669 synchronized (this) { 9670 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9671 if (admin != null) { 9672 return admin.shortSupportMessage; 9673 } 9674 } 9675 return null; 9676 } 9677 9678 @Override 9679 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9680 if (!mHasFeature) { 9681 return null; 9682 } 9683 Preconditions.checkNotNull(who, "ComponentName is null"); 9684 if (!isCallerWithSystemUid()) { 9685 throw new SecurityException("Only the system can query support message for user"); 9686 } 9687 synchronized (this) { 9688 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9689 if (admin != null) { 9690 return admin.longSupportMessage; 9691 } 9692 } 9693 return null; 9694 } 9695 9696 @Override 9697 public void setOrganizationColor(@NonNull ComponentName who, int color) { 9698 if (!mHasFeature) { 9699 return; 9700 } 9701 Preconditions.checkNotNull(who, "ComponentName is null"); 9702 final int userHandle = mInjector.userHandleGetCallingUserId(); 9703 enforceManagedProfile(userHandle, "set organization color"); 9704 synchronized (this) { 9705 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9706 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9707 admin.organizationColor = color; 9708 saveSettingsLocked(userHandle); 9709 } 9710 } 9711 9712 @Override 9713 public void setOrganizationColorForUser(int color, int userId) { 9714 if (!mHasFeature) { 9715 return; 9716 } 9717 enforceFullCrossUsersPermission(userId); 9718 enforceManageUsers(); 9719 enforceManagedProfile(userId, "set organization color"); 9720 synchronized (this) { 9721 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 9722 admin.organizationColor = color; 9723 saveSettingsLocked(userId); 9724 } 9725 } 9726 9727 @Override 9728 public int getOrganizationColor(@NonNull ComponentName who) { 9729 if (!mHasFeature) { 9730 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9731 } 9732 Preconditions.checkNotNull(who, "ComponentName is null"); 9733 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 9734 synchronized (this) { 9735 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9736 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9737 return admin.organizationColor; 9738 } 9739 } 9740 9741 @Override 9742 public int getOrganizationColorForUser(int userHandle) { 9743 if (!mHasFeature) { 9744 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9745 } 9746 enforceFullCrossUsersPermission(userHandle); 9747 enforceManagedProfile(userHandle, "get organization color"); 9748 synchronized (this) { 9749 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9750 return (profileOwner != null) 9751 ? profileOwner.organizationColor 9752 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 9753 } 9754 } 9755 9756 @Override 9757 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 9758 if (!mHasFeature) { 9759 return; 9760 } 9761 Preconditions.checkNotNull(who, "ComponentName is null"); 9762 final int userHandle = mInjector.userHandleGetCallingUserId(); 9763 9764 synchronized (this) { 9765 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9766 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9767 if (!TextUtils.equals(admin.organizationName, text)) { 9768 admin.organizationName = (text == null || text.length() == 0) 9769 ? null : text.toString(); 9770 saveSettingsLocked(userHandle); 9771 } 9772 } 9773 } 9774 9775 @Override 9776 public CharSequence getOrganizationName(@NonNull ComponentName who) { 9777 if (!mHasFeature) { 9778 return null; 9779 } 9780 Preconditions.checkNotNull(who, "ComponentName is null"); 9781 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 9782 synchronized(this) { 9783 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9784 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9785 return admin.organizationName; 9786 } 9787 } 9788 9789 @Override 9790 public CharSequence getDeviceOwnerOrganizationName() { 9791 if (!mHasFeature) { 9792 return null; 9793 } 9794 enforceDeviceOwnerOrManageUsers(); 9795 synchronized(this) { 9796 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 9797 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 9798 } 9799 } 9800 9801 @Override 9802 public CharSequence getOrganizationNameForUser(int userHandle) { 9803 if (!mHasFeature) { 9804 return null; 9805 } 9806 enforceFullCrossUsersPermission(userHandle); 9807 enforceManagedProfile(userHandle, "get organization name"); 9808 synchronized (this) { 9809 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9810 return (profileOwner != null) 9811 ? profileOwner.organizationName 9812 : null; 9813 } 9814 } 9815 9816 @Override 9817 public void setAffiliationIds(ComponentName admin, List<String> ids) { 9818 if (!mHasFeature) { 9819 return; 9820 } 9821 9822 Preconditions.checkNotNull(admin); 9823 Preconditions.checkCollectionElementsNotNull(ids, "ids"); 9824 9825 final Set<String> affiliationIds = new ArraySet<String>(ids); 9826 Preconditions.checkArgument( 9827 !affiliationIds.contains(""), "ids must not contain empty strings"); 9828 9829 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9830 synchronized (this) { 9831 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9832 getUserData(callingUserId).mAffiliationIds = affiliationIds; 9833 saveSettingsLocked(callingUserId); 9834 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 9835 // Affiliation ids specified by the device owner are additionally stored in 9836 // UserHandle.USER_SYSTEM's DevicePolicyData. 9837 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 9838 saveSettingsLocked(UserHandle.USER_SYSTEM); 9839 } 9840 9841 // Affiliation status for any user, not just the calling user, might have changed. 9842 // The device owner user will still be affiliated after changing its affiliation ids, 9843 // but as a result of that other users might become affiliated or un-affiliated. 9844 maybePauseDeviceWideLoggingLocked(); 9845 maybeResumeDeviceWideLoggingLocked(); 9846 } 9847 } 9848 9849 @Override 9850 public List<String> getAffiliationIds(ComponentName admin) { 9851 if (!mHasFeature) { 9852 return Collections.emptyList(); 9853 } 9854 9855 Preconditions.checkNotNull(admin); 9856 synchronized (this) { 9857 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9858 return new ArrayList<String>( 9859 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 9860 } 9861 } 9862 9863 @Override 9864 public boolean isAffiliatedUser() { 9865 if (!mHasFeature) { 9866 return false; 9867 } 9868 9869 synchronized (this) { 9870 return isUserAffiliatedWithDeviceLocked(mInjector.userHandleGetCallingUserId()); 9871 } 9872 } 9873 9874 private boolean isUserAffiliatedWithDeviceLocked(int userId) { 9875 if (!mOwners.hasDeviceOwner()) { 9876 return false; 9877 } 9878 if (userId == mOwners.getDeviceOwnerUserId()) { 9879 // The user that the DO is installed on is always affiliated with the device. 9880 return true; 9881 } 9882 if (userId == UserHandle.USER_SYSTEM) { 9883 // The system user is always affiliated in a DO device, even if the DO is set on a 9884 // different user. This could be the case if the DO is set in the primary user 9885 // of a split user device. 9886 return true; 9887 } 9888 final ComponentName profileOwner = getProfileOwner(userId); 9889 if (profileOwner == null) { 9890 return false; 9891 } 9892 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 9893 final Set<String> deviceAffiliationIds = 9894 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 9895 for (String id : userAffiliationIds) { 9896 if (deviceAffiliationIds.contains(id)) { 9897 return true; 9898 } 9899 } 9900 return false; 9901 } 9902 9903 private boolean areAllUsersAffiliatedWithDeviceLocked() { 9904 final long ident = mInjector.binderClearCallingIdentity(); 9905 try { 9906 final List<UserInfo> userInfos = mUserManager.getUsers(); 9907 for (int i = 0; i < userInfos.size(); i++) { 9908 int userId = userInfos.get(i).id; 9909 if (!isUserAffiliatedWithDeviceLocked(userId)) { 9910 Slog.d(LOG_TAG, "User id " + userId + " not affiliated."); 9911 return false; 9912 } 9913 } 9914 } finally { 9915 mInjector.binderRestoreCallingIdentity(ident); 9916 } 9917 9918 return true; 9919 } 9920 9921 @Override 9922 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 9923 if (!mHasFeature) { 9924 return; 9925 } 9926 Preconditions.checkNotNull(admin); 9927 9928 synchronized (this) { 9929 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9930 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 9931 return; 9932 } 9933 mInjector.securityLogSetLoggingEnabledProperty(enabled); 9934 if (enabled) { 9935 mSecurityLogMonitor.start(); 9936 maybePauseDeviceWideLoggingLocked(); 9937 } else { 9938 mSecurityLogMonitor.stop(); 9939 } 9940 } 9941 } 9942 9943 @Override 9944 public boolean isSecurityLoggingEnabled(ComponentName admin) { 9945 if (!mHasFeature) { 9946 return false; 9947 } 9948 9949 Preconditions.checkNotNull(admin); 9950 synchronized (this) { 9951 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9952 return mInjector.securityLogGetLoggingEnabledProperty(); 9953 } 9954 } 9955 9956 private synchronized void recordSecurityLogRetrievalTime() { 9957 final long currentTime = System.currentTimeMillis(); 9958 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 9959 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 9960 policyData.mLastSecurityLogRetrievalTime = currentTime; 9961 saveSettingsLocked(UserHandle.USER_SYSTEM); 9962 } 9963 } 9964 9965 @Override 9966 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 9967 if (!mHasFeature) { 9968 return null; 9969 } 9970 9971 Preconditions.checkNotNull(admin); 9972 ensureDeviceOwnerAndAllUsersAffiliated(admin); 9973 9974 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs) 9975 || !mInjector.securityLogGetLoggingEnabledProperty()) { 9976 return null; 9977 } 9978 9979 recordSecurityLogRetrievalTime(); 9980 9981 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 9982 try { 9983 SecurityLog.readPreviousEvents(output); 9984 return new ParceledListSlice<SecurityEvent>(output); 9985 } catch (IOException e) { 9986 Slog.w(LOG_TAG, "Fail to read previous events" , e); 9987 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 9988 } 9989 } 9990 9991 @Override 9992 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 9993 if (!mHasFeature) { 9994 return null; 9995 } 9996 9997 Preconditions.checkNotNull(admin); 9998 ensureDeviceOwnerAndAllUsersAffiliated(admin); 9999 10000 if (!mInjector.securityLogGetLoggingEnabledProperty()) { 10001 return null; 10002 } 10003 10004 recordSecurityLogRetrievalTime(); 10005 10006 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 10007 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 10008 } 10009 10010 private void enforceCanManageDeviceAdmin() { 10011 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 10012 null); 10013 } 10014 10015 private void enforceCanManageProfileAndDeviceOwners() { 10016 mContext.enforceCallingOrSelfPermission( 10017 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 10018 } 10019 10020 private void enforceCallerSystemUserHandle() { 10021 final int callingUid = mInjector.binderGetCallingUid(); 10022 final int userId = UserHandle.getUserId(callingUid); 10023 if (userId != UserHandle.USER_SYSTEM) { 10024 throw new SecurityException("Caller has to be in user 0"); 10025 } 10026 } 10027 10028 @Override 10029 public boolean isUninstallInQueue(final String packageName) { 10030 enforceCanManageDeviceAdmin(); 10031 final int userId = mInjector.userHandleGetCallingUserId(); 10032 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10033 synchronized (this) { 10034 return mPackagesToRemove.contains(packageUserPair); 10035 } 10036 } 10037 10038 @Override 10039 public void uninstallPackageWithActiveAdmins(final String packageName) { 10040 enforceCanManageDeviceAdmin(); 10041 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 10042 10043 final int userId = mInjector.userHandleGetCallingUserId(); 10044 10045 enforceUserUnlocked(userId); 10046 10047 final ComponentName profileOwner = getProfileOwner(userId); 10048 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 10049 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 10050 } 10051 10052 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 10053 if (getDeviceOwnerUserId() == userId && deviceOwner != null 10054 && packageName.equals(deviceOwner.getPackageName())) { 10055 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 10056 } 10057 10058 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10059 synchronized (this) { 10060 mPackagesToRemove.add(packageUserPair); 10061 } 10062 10063 // All active admins on the user. 10064 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 10065 10066 // Active admins in the target package. 10067 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 10068 if (allActiveAdmins != null) { 10069 for (ComponentName activeAdmin : allActiveAdmins) { 10070 if (packageName.equals(activeAdmin.getPackageName())) { 10071 packageActiveAdmins.add(activeAdmin); 10072 removeActiveAdmin(activeAdmin, userId); 10073 } 10074 } 10075 } 10076 if (packageActiveAdmins.size() == 0) { 10077 startUninstallIntent(packageName, userId); 10078 } else { 10079 mHandler.postDelayed(new Runnable() { 10080 @Override 10081 public void run() { 10082 for (ComponentName activeAdmin : packageActiveAdmins) { 10083 removeAdminArtifacts(activeAdmin, userId); 10084 } 10085 startUninstallIntent(packageName, userId); 10086 } 10087 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 10088 } 10089 } 10090 10091 @Override 10092 public boolean isDeviceProvisioned() { 10093 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 10094 } 10095 10096 private void removePackageIfRequired(final String packageName, final int userId) { 10097 if (!packageHasActiveAdmins(packageName, userId)) { 10098 // Will not do anything if uninstall was not requested or was already started. 10099 startUninstallIntent(packageName, userId); 10100 } 10101 } 10102 10103 private void startUninstallIntent(final String packageName, final int userId) { 10104 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10105 synchronized (this) { 10106 if (!mPackagesToRemove.contains(packageUserPair)) { 10107 // Do nothing if uninstall was not requested or was already started. 10108 return; 10109 } 10110 mPackagesToRemove.remove(packageUserPair); 10111 } 10112 try { 10113 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 10114 // Package does not exist. Nothing to do. 10115 return; 10116 } 10117 } catch (RemoteException re) { 10118 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 10119 } 10120 10121 try { // force stop the package before uninstalling 10122 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 10123 } catch (RemoteException re) { 10124 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 10125 } 10126 final Uri packageURI = Uri.parse("package:" + packageName); 10127 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 10128 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 10129 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 10130 } 10131 10132 /** 10133 * Removes the admin from the policy. Ideally called after the admin's 10134 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 10135 * 10136 * @param adminReceiver The admin to remove 10137 * @param userHandle The user for which this admin has to be removed. 10138 */ 10139 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 10140 synchronized (this) { 10141 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 10142 if (admin == null) { 10143 return; 10144 } 10145 final DevicePolicyData policy = getUserData(userHandle); 10146 final boolean doProxyCleanup = admin.info.usesPolicy( 10147 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 10148 policy.mAdminList.remove(admin); 10149 policy.mAdminMap.remove(adminReceiver); 10150 validatePasswordOwnerLocked(policy); 10151 if (doProxyCleanup) { 10152 resetGlobalProxyLocked(policy); 10153 } 10154 saveSettingsLocked(userHandle); 10155 updateMaximumTimeToLockLocked(userHandle); 10156 policy.mRemovingAdmins.remove(adminReceiver); 10157 10158 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 10159 } 10160 // The removed admin might have disabled camera, so update user 10161 // restrictions. 10162 pushUserRestrictions(userHandle); 10163 } 10164 10165 @Override 10166 public void setDeviceProvisioningConfigApplied() { 10167 enforceManageUsers(); 10168 synchronized (this) { 10169 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10170 policy.mDeviceProvisioningConfigApplied = true; 10171 saveSettingsLocked(UserHandle.USER_SYSTEM); 10172 } 10173 } 10174 10175 @Override 10176 public boolean isDeviceProvisioningConfigApplied() { 10177 enforceManageUsers(); 10178 synchronized (this) { 10179 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10180 return policy.mDeviceProvisioningConfigApplied; 10181 } 10182 } 10183 10184 /** 10185 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 10186 * 10187 * It's added for testing only. Please use this API carefully if it's used by other system app 10188 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 10189 * apps. 10190 */ 10191 @Override 10192 public void forceUpdateUserSetupComplete() { 10193 enforceCanManageProfileAndDeviceOwners(); 10194 enforceCallerSystemUserHandle(); 10195 // no effect if it's called from user build 10196 if (!mInjector.isBuildDebuggable()) { 10197 return; 10198 } 10199 final int userId = UserHandle.USER_SYSTEM; 10200 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 10201 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 10202 DevicePolicyData policy = getUserData(userId); 10203 policy.mUserSetupComplete = isUserCompleted; 10204 synchronized (this) { 10205 saveSettingsLocked(userId); 10206 } 10207 } 10208 10209 // TODO(b/22388012): When backup is available for secondary users and profiles, consider 10210 // whether there are any privacy/security implications of enabling the backup service here 10211 // if there are other users or profiles unmanaged or managed by a different entity (i.e. not 10212 // affiliated). 10213 @Override 10214 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 10215 if (!mHasFeature) { 10216 return; 10217 } 10218 Preconditions.checkNotNull(admin); 10219 synchronized (this) { 10220 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10221 } 10222 10223 final long ident = mInjector.binderClearCallingIdentity(); 10224 try { 10225 IBackupManager ibm = mInjector.getIBackupManager(); 10226 if (ibm != null) { 10227 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 10228 } 10229 } catch (RemoteException e) { 10230 throw new IllegalStateException( 10231 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 10232 } finally { 10233 mInjector.binderRestoreCallingIdentity(ident); 10234 } 10235 } 10236 10237 @Override 10238 public boolean isBackupServiceEnabled(ComponentName admin) { 10239 Preconditions.checkNotNull(admin); 10240 if (!mHasFeature) { 10241 return true; 10242 } 10243 synchronized (this) { 10244 try { 10245 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10246 IBackupManager ibm = mInjector.getIBackupManager(); 10247 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 10248 } catch (RemoteException e) { 10249 throw new IllegalStateException("Failed requesting backup service state.", e); 10250 } 10251 } 10252 } 10253 10254 @Override 10255 public boolean bindDeviceAdminServiceAsUser( 10256 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 10257 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 10258 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 10259 if (!mHasFeature) { 10260 return false; 10261 } 10262 Preconditions.checkNotNull(admin); 10263 Preconditions.checkNotNull(caller); 10264 Preconditions.checkNotNull(serviceIntent); 10265 Preconditions.checkArgument( 10266 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 10267 "Service intent must be explicit (with a package name or component): " 10268 + serviceIntent); 10269 Preconditions.checkNotNull(connection); 10270 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 10271 "target user id must be different from the calling user id"); 10272 10273 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 10274 throw new SecurityException("Not allowed to bind to target user id"); 10275 } 10276 10277 final String targetPackage; 10278 synchronized (this) { 10279 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 10280 } 10281 10282 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10283 try { 10284 // Validate and sanitize the incoming service intent. 10285 final Intent sanitizedIntent = 10286 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 10287 if (sanitizedIntent == null) { 10288 // Fail, cannot lookup the target service. 10289 return false; 10290 } 10291 // Ask ActivityManager to bind it. Notice that we are binding the service with the 10292 // caller app instead of DevicePolicyManagerService. 10293 return mInjector.getIActivityManager().bindService( 10294 caller, activtiyToken, serviceIntent, 10295 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10296 connection, flags, mContext.getOpPackageName(), 10297 targetUserId) != 0; 10298 } catch (RemoteException ex) { 10299 // Same process, should not happen. 10300 } finally { 10301 mInjector.binderRestoreCallingIdentity(callingIdentity); 10302 } 10303 10304 // Failed to bind. 10305 return false; 10306 } 10307 10308 @Override 10309 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 10310 if (!mHasFeature) { 10311 return Collections.emptyList(); 10312 } 10313 Preconditions.checkNotNull(admin); 10314 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 10315 10316 synchronized (this) { 10317 ActiveAdmin callingOwner = getActiveAdminForCallerLocked( 10318 admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10319 10320 final int callingUserId = mInjector.userHandleGetCallingUserId(); 10321 final boolean isCallerDeviceOwner = isDeviceOwner(callingOwner); 10322 final boolean isCallerManagedProfile = isManagedProfile(callingUserId); 10323 if ((!isCallerDeviceOwner && !isCallerManagedProfile) 10324 || !isUserAffiliatedWithDeviceLocked(callingUserId)) { 10325 return targetUsers; 10326 } 10327 10328 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10329 try { 10330 String callingOwnerPackage = callingOwner.info.getComponent().getPackageName(); 10331 for (int userId : mUserManager.getProfileIdsWithDisabled(callingUserId)) { 10332 if (userId == callingUserId) { 10333 continue; 10334 } 10335 10336 // We only allow the device owner and a managed profile owner to bind to each 10337 // other. 10338 if ((isCallerManagedProfile && userId == mOwners.getDeviceOwnerUserId()) 10339 || (isCallerDeviceOwner && isManagedProfile(userId))) { 10340 String targetOwnerPackage = getOwnerPackageNameForUserLocked(userId); 10341 10342 // Both must be the same package and be affiliated in order to bind. 10343 if (callingOwnerPackage.equals(targetOwnerPackage) 10344 && isUserAffiliatedWithDeviceLocked(userId)) { 10345 targetUsers.add(UserHandle.of(userId)); 10346 } 10347 } 10348 } 10349 } finally { 10350 mInjector.binderRestoreCallingIdentity(callingIdentity); 10351 } 10352 } 10353 10354 return targetUsers; 10355 } 10356 10357 /** 10358 * Return true if a given user has any accounts that'll prevent installing a device or profile 10359 * owner {@code owner}. 10360 * - If the user has no accounts, then return false. 10361 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 10362 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 10363 * ..._DISALLOWED, return true. 10364 * - Otherwise return false. 10365 * 10366 * If the caller is *not* ADB, it also returns true. The returned value shouldn't be used 10367 * when the caller is not ADB. 10368 * 10369 * DO NOT CALL IT WITH THE DPMS LOCK HELD. 10370 */ 10371 private boolean hasIncompatibleAccountsOrNonAdbNoLock( 10372 int userId, @Nullable ComponentName owner) { 10373 if (!isAdb()) { 10374 return true; 10375 } 10376 wtfIfInLock(); 10377 10378 final long token = mInjector.binderClearCallingIdentity(); 10379 try { 10380 final AccountManager am = AccountManager.get(mContext); 10381 final Account accounts[] = am.getAccountsAsUser(userId); 10382 if (accounts.length == 0) { 10383 return false; 10384 } 10385 synchronized (this) { 10386 if (owner == null || !isAdminTestOnlyLocked(owner, userId)) { 10387 Log.w(LOG_TAG, 10388 "Non test-only owner can't be installed with existing accounts."); 10389 return true; 10390 } 10391 } 10392 10393 final String[] feature_allow = 10394 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 10395 final String[] feature_disallow = 10396 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 10397 10398 boolean compatible = true; 10399 for (Account account : accounts) { 10400 if (hasAccountFeatures(am, account, feature_disallow)) { 10401 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 10402 compatible = false; 10403 break; 10404 } 10405 if (!hasAccountFeatures(am, account, feature_allow)) { 10406 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 10407 compatible = false; 10408 break; 10409 } 10410 } 10411 if (compatible) { 10412 Log.w(LOG_TAG, "All accounts are compatible"); 10413 } else { 10414 Log.e(LOG_TAG, "Found incompatible accounts"); 10415 } 10416 return !compatible; 10417 } finally { 10418 mInjector.binderRestoreCallingIdentity(token); 10419 } 10420 } 10421 10422 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 10423 try { 10424 return am.hasFeatures(account, features, null, null).getResult(); 10425 } catch (Exception e) { 10426 Log.w(LOG_TAG, "Failed to get account feature", e); 10427 return false; 10428 } 10429 } 10430 10431 private boolean isAdb() { 10432 final int callingUid = mInjector.binderGetCallingUid(); 10433 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 10434 } 10435 10436 @Override 10437 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 10438 if (!mHasFeature) { 10439 return; 10440 } 10441 Preconditions.checkNotNull(admin); 10442 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10443 10444 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 10445 // already in the requested state 10446 return; 10447 } 10448 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10449 deviceOwner.isNetworkLoggingEnabled = enabled; 10450 if (!enabled) { 10451 deviceOwner.numNetworkLoggingNotifications = 0; 10452 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10453 } 10454 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 10455 10456 setNetworkLoggingActiveInternal(enabled); 10457 } 10458 10459 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 10460 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10461 try { 10462 if (active) { 10463 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 10464 if (!mNetworkLogger.startNetworkLogging()) { 10465 mNetworkLogger = null; 10466 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 10467 + " service not being available yet."); 10468 } 10469 maybePauseDeviceWideLoggingLocked(); 10470 sendNetworkLoggingNotificationLocked(); 10471 } else { 10472 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 10473 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 10474 + " service not being available yet."); 10475 } 10476 mNetworkLogger = null; 10477 mInjector.getNotificationManager().cancel(NETWORK_LOGGING_NOTIFICATION_ID); 10478 } 10479 } finally { 10480 mInjector.binderRestoreCallingIdentity(callingIdentity); 10481 } 10482 } 10483 10484 /** Pauses security and network logging if there are unaffiliated users on the device */ 10485 private void maybePauseDeviceWideLoggingLocked() { 10486 if (!areAllUsersAffiliatedWithDeviceLocked()) { 10487 Slog.i(LOG_TAG, "There are unaffiliated users, security and network logging will be " 10488 + "paused if enabled."); 10489 mSecurityLogMonitor.pause(); 10490 if (mNetworkLogger != null) { 10491 mNetworkLogger.pause(); 10492 } 10493 } 10494 } 10495 10496 /** Resumes security and network logging (if they are enabled) if all users are affiliated */ 10497 private void maybeResumeDeviceWideLoggingLocked() { 10498 if (areAllUsersAffiliatedWithDeviceLocked()) { 10499 final long ident = mInjector.binderClearCallingIdentity(); 10500 try { 10501 mSecurityLogMonitor.resume(); 10502 if (mNetworkLogger != null) { 10503 mNetworkLogger.resume(); 10504 } 10505 } finally { 10506 mInjector.binderRestoreCallingIdentity(ident); 10507 } 10508 } 10509 } 10510 10511 /** Deletes any security and network logs that might have been collected so far */ 10512 private void discardDeviceWideLogsLocked() { 10513 mSecurityLogMonitor.discardLogs(); 10514 if (mNetworkLogger != null) { 10515 mNetworkLogger.discardLogs(); 10516 } 10517 // TODO: We should discard pre-boot security logs here too, as otherwise those 10518 // logs (which might contain data from the user just removed) will be 10519 // available after next boot. 10520 } 10521 10522 @Override 10523 public boolean isNetworkLoggingEnabled(ComponentName admin) { 10524 if (!mHasFeature) { 10525 return false; 10526 } 10527 synchronized (this) { 10528 enforceDeviceOwnerOrManageUsers(); 10529 return isNetworkLoggingEnabledInternalLocked(); 10530 } 10531 } 10532 10533 private boolean isNetworkLoggingEnabledInternalLocked() { 10534 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10535 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 10536 } 10537 10538 /* 10539 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 10540 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 10541 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 10542 * 10543 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 10544 */ 10545 @Override 10546 public List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, long batchToken) { 10547 if (!mHasFeature) { 10548 return null; 10549 } 10550 Preconditions.checkNotNull(admin); 10551 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10552 10553 synchronized (this) { 10554 if (mNetworkLogger == null 10555 || !isNetworkLoggingEnabledInternalLocked()) { 10556 return null; 10557 } 10558 10559 final long currentTime = System.currentTimeMillis(); 10560 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10561 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 10562 policyData.mLastNetworkLogsRetrievalTime = currentTime; 10563 saveSettingsLocked(UserHandle.USER_SYSTEM); 10564 } 10565 return mNetworkLogger.retrieveLogs(batchToken); 10566 } 10567 } 10568 10569 private void sendNetworkLoggingNotificationLocked() { 10570 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10571 if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { 10572 return; 10573 } 10574 if (deviceOwner.numNetworkLoggingNotifications >= 10575 ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10576 return; 10577 } 10578 final long now = System.currentTimeMillis(); 10579 if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { 10580 return; 10581 } 10582 deviceOwner.numNetworkLoggingNotifications++; 10583 if (deviceOwner.numNetworkLoggingNotifications 10584 >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10585 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10586 } else { 10587 deviceOwner.lastNetworkLoggingNotificationTimeMs = now; 10588 } 10589 final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); 10590 intent.setPackage("com.android.systemui"); 10591 final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, 10592 UserHandle.CURRENT); 10593 Notification notification = new Notification.Builder(mContext) 10594 .setSmallIcon(R.drawable.ic_qs_network_logging) 10595 .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) 10596 .setContentText(mContext.getString(R.string.network_logging_notification_text)) 10597 .setTicker(mContext.getString(R.string.network_logging_notification_title)) 10598 .setShowWhen(true) 10599 .setContentIntent(pendingIntent) 10600 .build(); 10601 mInjector.getNotificationManager().notify(NETWORK_LOGGING_NOTIFICATION_ID, notification); 10602 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 10603 } 10604 10605 /** 10606 * Return the package name of owner in a given user. 10607 */ 10608 private String getOwnerPackageNameForUserLocked(int userId) { 10609 return mOwners.getDeviceOwnerUserId() == userId 10610 ? mOwners.getDeviceOwnerPackageName() 10611 : mOwners.getProfileOwnerPackage(userId); 10612 } 10613 10614 /** 10615 * @param rawIntent Original service intent specified by caller. It must be explicit. 10616 * @param expectedPackageName The expected package name of the resolved service. 10617 * @return Intent that have component explicitly set. {@code null} if no service is resolved 10618 * with the given intent. 10619 * @throws SecurityException if the intent is resolved to an invalid service. 10620 */ 10621 private Intent createCrossUserServiceIntent( 10622 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 10623 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 10624 ResolveInfo info = mIPackageManager.resolveService( 10625 rawIntent, 10626 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10627 0, // flags 10628 targetUserId); 10629 if (info == null || info.serviceInfo == null) { 10630 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 10631 + " or user " + targetUserId + " is not running"); 10632 return null; 10633 } 10634 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 10635 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 10636 } 10637 if (info.serviceInfo.exported) { 10638 throw new SecurityException("The service must be unexported"); 10639 } 10640 // It is the system server to bind the service, it would be extremely dangerous if it 10641 // can be exploited to bind any service. Set the component explicitly to make sure we 10642 // do not bind anything accidentally. 10643 rawIntent.setComponent(info.serviceInfo.getComponentName()); 10644 return rawIntent; 10645 } 10646 10647 @Override 10648 public long getLastSecurityLogRetrievalTime() { 10649 enforceDeviceOwnerOrManageUsers(); 10650 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 10651 } 10652 10653 @Override 10654 public long getLastBugReportRequestTime() { 10655 enforceDeviceOwnerOrManageUsers(); 10656 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 10657 } 10658 10659 @Override 10660 public long getLastNetworkLogRetrievalTime() { 10661 enforceDeviceOwnerOrManageUsers(); 10662 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 10663 } 10664} 10665