DevicePolicyManagerService.java revision 0fb6b9e18c4f9fad98c426ace0190017e8b2060a
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.PASSWORD_QUALITY_COMPLEX; 21import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24 25import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 26import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 27import static org.xmlpull.v1.XmlPullParser.END_TAG; 28import static org.xmlpull.v1.XmlPullParser.TEXT; 29 30import android.Manifest.permission; 31import android.accessibilityservice.AccessibilityServiceInfo; 32import android.accounts.AccountManager; 33import android.annotation.IntDef; 34import android.annotation.NonNull; 35import android.annotation.Nullable; 36import android.annotation.UserIdInt; 37import android.app.Activity; 38import android.app.ActivityManager; 39import android.app.ActivityManagerNative; 40import android.app.AlarmManager; 41import android.app.AppGlobals; 42import android.app.IActivityManager; 43import android.app.Notification; 44import android.app.NotificationManager; 45import android.app.PendingIntent; 46import android.app.StatusBarManager; 47import android.app.admin.DeviceAdminInfo; 48import android.app.admin.DeviceAdminReceiver; 49import android.app.admin.DevicePolicyManager; 50import android.app.admin.DevicePolicyManagerInternal; 51import android.app.admin.IDevicePolicyManager; 52import android.app.admin.SecurityLog; 53import android.app.admin.SecurityLog.SecurityEvent; 54import android.app.admin.SystemUpdatePolicy; 55import android.app.backup.IBackupManager; 56import android.content.BroadcastReceiver; 57import android.content.ComponentName; 58import android.content.Context; 59import android.content.Intent; 60import android.content.IntentFilter; 61import android.content.pm.ActivityInfo; 62import android.content.pm.ApplicationInfo; 63import android.content.pm.IPackageManager; 64import android.content.pm.PackageInfo; 65import android.content.pm.PackageManager; 66import android.content.pm.PackageManager.NameNotFoundException; 67import android.content.pm.PackageManagerInternal; 68import android.content.pm.ParceledListSlice; 69import android.content.pm.ResolveInfo; 70import android.content.pm.ServiceInfo; 71import android.content.pm.UserInfo; 72import android.database.ContentObserver; 73import android.graphics.Bitmap; 74import android.graphics.Color; 75import android.media.AudioManager; 76import android.media.IAudioService; 77import android.net.ConnectivityManager; 78import android.net.ProxyInfo; 79import android.net.Uri; 80import android.net.wifi.WifiInfo; 81import android.net.wifi.WifiManager; 82import android.os.AsyncTask; 83import android.os.Binder; 84import android.os.Build; 85import android.os.Bundle; 86import android.os.Environment; 87import android.os.FileUtils; 88import android.os.Handler; 89import android.os.IBinder; 90import android.os.Looper; 91import android.os.ParcelFileDescriptor; 92import android.os.PersistableBundle; 93import android.os.PowerManager; 94import android.os.PowerManagerInternal; 95import android.os.Process; 96import android.os.RecoverySystem; 97import android.os.RemoteCallback; 98import android.os.RemoteException; 99import android.os.ServiceManager; 100import android.os.SystemClock; 101import android.os.SystemProperties; 102import android.os.UserHandle; 103import android.os.UserManager; 104import android.os.UserManagerInternal; 105import android.os.storage.StorageManager; 106import android.provider.ContactsContract.QuickContact; 107import android.provider.ContactsInternal; 108import android.provider.Settings; 109import android.security.Credentials; 110import android.security.IKeyChainAliasCallback; 111import android.security.IKeyChainService; 112import android.security.KeyChain; 113import android.security.KeyChain.KeyChainConnection; 114import android.service.persistentdata.PersistentDataBlockManager; 115import android.telephony.TelephonyManager; 116import android.text.TextUtils; 117import android.util.ArrayMap; 118import android.util.ArraySet; 119import android.util.Log; 120import android.util.Pair; 121import android.util.Slog; 122import android.util.SparseArray; 123import android.util.Xml; 124import android.view.IWindowManager; 125import android.view.accessibility.AccessibilityManager; 126import android.view.accessibility.IAccessibilityManager; 127import android.view.inputmethod.InputMethodInfo; 128import android.view.inputmethod.InputMethodManager; 129 130import com.android.internal.R; 131import com.android.internal.annotations.VisibleForTesting; 132import com.android.internal.statusbar.IStatusBarService; 133import com.android.internal.util.FastXmlSerializer; 134import com.android.internal.util.JournaledFile; 135import com.android.internal.util.ParcelableString; 136import com.android.internal.util.Preconditions; 137import com.android.internal.util.XmlUtils; 138import com.android.internal.widget.LockPatternUtils; 139import com.android.server.LocalServices; 140import com.android.server.SystemService; 141import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 142import com.android.server.pm.UserRestrictionsUtils; 143import com.google.android.collect.Sets; 144 145import org.xmlpull.v1.XmlPullParser; 146import org.xmlpull.v1.XmlPullParserException; 147import org.xmlpull.v1.XmlSerializer; 148 149import java.io.ByteArrayInputStream; 150import java.io.File; 151import java.io.FileDescriptor; 152import java.io.FileInputStream; 153import java.io.FileNotFoundException; 154import java.io.FileOutputStream; 155import java.io.IOException; 156import java.io.PrintWriter; 157import java.lang.annotation.Retention; 158import java.lang.annotation.RetentionPolicy; 159import java.nio.charset.StandardCharsets; 160import java.security.cert.CertificateException; 161import java.security.cert.CertificateFactory; 162import java.security.cert.X509Certificate; 163import java.text.DateFormat; 164import java.util.ArrayList; 165import java.util.Arrays; 166import java.util.Collections; 167import java.util.Date; 168import java.util.List; 169import java.util.Map.Entry; 170import java.util.Set; 171import java.util.concurrent.atomic.AtomicBoolean; 172 173/** 174 * Implementation of the device policy APIs. 175 */ 176public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 177 178 private static final String LOG_TAG = "DevicePolicyManagerService"; 179 180 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 181 182 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 183 184 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 185 186 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 187 188 private static final String TAG_STATUS_BAR = "statusbar"; 189 190 private static final String ATTR_DISABLED = "disabled"; 191 192 private static final String ATTR_NAME = "name"; 193 194 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 195 "do-not-ask-credentials-on-boot"; 196 197 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 198 199 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 200 201 private static final String ATTR_VALUE = "value"; 202 203 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 204 205 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 206 207 private static final long MS_PER_DAY = 86400 * 1000; 208 209 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 210 211 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 212 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 213 214 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 215 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 216 217 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 218 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 219 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 220 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 221 222 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 223 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 224 = "application-restrictions-manager"; 225 226 /** 227 * System property whose value is either "true" or "false", indicating whether 228 */ 229 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 230 231 private static final int STATUS_BAR_DISABLE_MASK = 232 StatusBarManager.DISABLE_EXPAND | 233 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 234 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 235 StatusBarManager.DISABLE_SEARCH; 236 237 private static final int STATUS_BAR_DISABLE2_MASK = 238 StatusBarManager.DISABLE2_QUICK_SETTINGS; 239 240 private static final Set<String> SECURE_SETTINGS_WHITELIST; 241 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 242 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 243 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 244 static { 245 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 246 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 247 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 248 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 249 250 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 251 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 252 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 253 254 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 255 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 256 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 257 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 258 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 259 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 260 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 261 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 262 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 263 264 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 265 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 266 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 267 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 268 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 269 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 270 } 271 272 /** 273 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 274 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 275 * instance. 276 */ 277 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 278 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 279 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 280 281 /** 282 * Keyguard features that when set on a profile affect the profile content or challenge only. 283 * These cannot be set on the managed profile's parent DPM instance 284 */ 285 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 286 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 287 288 /** Keyguard features that are allowed to be set on a managed profile */ 289 private static final int PROFILE_KEYGUARD_FEATURES = 290 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 291 292 private static final int CODE_OK = 0; 293 private static final int CODE_HAS_DEVICE_OWNER = 1; 294 private static final int CODE_USER_HAS_PROFILE_OWNER = 2; 295 private static final int CODE_USER_NOT_RUNNING = 3; 296 private static final int CODE_USER_SETUP_COMPLETED = 4; 297 private static final int CODE_NONSYSTEM_USER_EXISTS = 5; 298 private static final int CODE_ACCOUNTS_NOT_EMPTY = 6; 299 private static final int CODE_NOT_SYSTEM_USER = 7; 300 301 @Retention(RetentionPolicy.SOURCE) 302 @IntDef({ CODE_OK, CODE_HAS_DEVICE_OWNER, CODE_USER_HAS_PROFILE_OWNER, CODE_USER_NOT_RUNNING, 303 CODE_USER_SETUP_COMPLETED, CODE_NOT_SYSTEM_USER }) 304 private @interface DeviceOwnerPreConditionCode {} 305 306 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 307 308 final Context mContext; 309 final Injector mInjector; 310 final IPackageManager mIPackageManager; 311 final UserManager mUserManager; 312 final UserManagerInternal mUserManagerInternal; 313 final TelephonyManager mTelephonyManager; 314 private final LockPatternUtils mLockPatternUtils; 315 316 /** 317 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 318 * is requested for user u. 319 */ 320 private final Set<Pair<String, Integer>> mPackagesToRemove = 321 new ArraySet<Pair<String, Integer>>(); 322 323 final LocalService mLocalService; 324 325 // Stores and loads state on device and profile owners. 326 @VisibleForTesting 327 final Owners mOwners; 328 329 private final Binder mToken = new Binder(); 330 331 /** 332 * Whether or not device admin feature is supported. If it isn't return defaults for all 333 * public methods. 334 */ 335 boolean mHasFeature; 336 337 private final SecurityLogMonitor mSecurityLogMonitor; 338 339 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 340 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 341 342 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 343 @Override 344 public void run() { 345 if(mRemoteBugreportServiceIsActive.get()) { 346 onBugreportFailed(); 347 } 348 } 349 }; 350 351 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 352 353 @Override 354 public void onReceive(Context context, Intent intent) { 355 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 356 && mRemoteBugreportServiceIsActive.get()) { 357 onBugreportFinished(intent); 358 } 359 } 360 }; 361 362 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 363 364 @Override 365 public void onReceive(Context context, Intent intent) { 366 String action = intent.getAction(); 367 mInjector.getNotificationManager().cancel(LOG_TAG, 368 RemoteBugreportUtils.NOTIFICATION_ID); 369 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 370 onBugreportSharingAccepted(); 371 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 372 onBugreportSharingDeclined(); 373 } 374 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 375 } 376 }; 377 378 public static final class Lifecycle extends SystemService { 379 private DevicePolicyManagerService mService; 380 381 public Lifecycle(Context context) { 382 super(context); 383 mService = new DevicePolicyManagerService(context); 384 } 385 386 @Override 387 public void onStart() { 388 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 389 } 390 391 @Override 392 public void onBootPhase(int phase) { 393 mService.systemReady(phase); 394 } 395 396 @Override 397 public void onStartUser(int userHandle) { 398 mService.onStartUser(userHandle); 399 } 400 } 401 402 public static class DevicePolicyData { 403 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 404 int mActivePasswordLength = 0; 405 int mActivePasswordUpperCase = 0; 406 int mActivePasswordLowerCase = 0; 407 int mActivePasswordLetters = 0; 408 int mActivePasswordNumeric = 0; 409 int mActivePasswordSymbols = 0; 410 int mActivePasswordNonLetter = 0; 411 int mFailedPasswordAttempts = 0; 412 413 int mUserHandle; 414 int mPasswordOwner = -1; 415 long mLastMaximumTimeToLock = -1; 416 boolean mUserSetupComplete = false; 417 int mUserProvisioningState; 418 int mPermissionPolicy; 419 420 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 421 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 422 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 423 424 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 425 426 // This is the list of component allowed to start lock task mode. 427 List<String> mLockTaskPackages = new ArrayList<>(); 428 429 boolean mStatusBarDisabled = false; 430 431 ComponentName mRestrictionsProvider; 432 433 String mDelegatedCertInstallerPackage; 434 435 boolean doNotAskCredentialsOnBoot = false; 436 437 String mApplicationRestrictionsManagingPackage; 438 439 Set<String> mAffiliationIds = new ArraySet<>(); 440 441 // Used for initialization of users created by createAndManageUsers. 442 boolean mAdminBroadcastPending = false; 443 PersistableBundle mInitBundle = null; 444 445 public DevicePolicyData(int userHandle) { 446 mUserHandle = userHandle; 447 } 448 } 449 450 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 451 452 final Handler mHandler; 453 454 BroadcastReceiver mReceiver = new BroadcastReceiver() { 455 @Override 456 public void onReceive(Context context, Intent intent) { 457 final String action = intent.getAction(); 458 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 459 getSendingUserId()); 460 461 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 462 && userHandle == mOwners.getDeviceOwnerUserId() 463 && getDeviceOwnerRemoteBugreportUri() != null) { 464 IntentFilter filterConsent = new IntentFilter(); 465 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 466 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 467 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 468 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 469 RemoteBugreportUtils.NOTIFICATION_ID, 470 RemoteBugreportUtils.buildNotification(mContext, 471 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 472 UserHandle.ALL); 473 } 474 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 475 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 476 if (VERBOSE_LOG) { 477 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 478 + action + " for user " + userHandle); 479 } 480 mHandler.post(new Runnable() { 481 @Override 482 public void run() { 483 handlePasswordExpirationNotification(userHandle); 484 } 485 }); 486 } 487 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 488 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 489 int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 490 new MonitoringCertNotificationTask().execute(userId); 491 } 492 if (Intent.ACTION_USER_ADDED.equals(action)) { 493 disableSecurityLoggingIfNotCompliant(); 494 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 495 disableSecurityLoggingIfNotCompliant(); 496 removeUserData(userHandle); 497 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 498 synchronized (DevicePolicyManagerService.this) { 499 // Reset the policy data 500 mUserData.remove(userHandle); 501 sendAdminEnabledBroadcastLocked(userHandle); 502 } 503 handlePackagesChanged(null /* check all admins */, userHandle); 504 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 505 handlePackagesChanged(null /* check all admins */, userHandle); 506 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 507 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 508 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 509 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 510 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 511 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 512 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 513 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 514 clearWipeProfileNotification(); 515 } 516 } 517 }; 518 519 static class ActiveAdmin { 520 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 521 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 522 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 523 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 524 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 525 = "disable-bt-contacts-sharing"; 526 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 527 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 528 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 529 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 530 private static final String TAG_ACCOUNT_TYPE = "account-type"; 531 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 532 = "permitted-accessiblity-services"; 533 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 534 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 535 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 536 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 537 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 538 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 539 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 540 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 541 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 542 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 543 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 544 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 545 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 546 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 547 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 548 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 549 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 550 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 551 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 552 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 553 private static final String ATTR_VALUE = "value"; 554 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 555 private static final String TAG_POLICIES = "policies"; 556 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 557 "cross-profile-widget-providers"; 558 private static final String TAG_PROVIDER = "provider"; 559 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 560 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 561 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 562 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 563 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 564 private static final String TAG_PARENT_ADMIN = "parent-admin"; 565 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 566 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 567 568 final DeviceAdminInfo info; 569 570 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 571 572 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 573 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 574 575 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 576 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 577 578 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 579 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 580 581 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 582 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 583 584 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 585 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 586 587 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 588 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 589 590 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 591 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 592 593 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 594 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 595 596 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 597 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 598 599 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 600 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 601 602 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 603 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 604 605 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 606 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 607 608 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 609 610 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 611 612 boolean encryptionRequested = false; 613 boolean disableCamera = false; 614 boolean disableCallerId = false; 615 boolean disableContactsSearch = false; 616 boolean disableBluetoothContactSharing = true; 617 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 618 boolean requireAutoTime = false; // Can only be set by a device owner. 619 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 620 621 ActiveAdmin parentAdmin; 622 final boolean isParent; 623 624 static class TrustAgentInfo { 625 public PersistableBundle options; 626 TrustAgentInfo(PersistableBundle bundle) { 627 options = bundle; 628 } 629 } 630 631 Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 632 633 // The list of permitted accessibility services package namesas set by a profile 634 // or device owner. Null means all accessibility services are allowed, empty means 635 // none except system services are allowed. 636 List<String> permittedAccessiblityServices; 637 638 // The list of permitted input methods package names as set by a profile or device owner. 639 // Null means all input methods are allowed, empty means none except system imes are 640 // allowed. 641 List<String> permittedInputMethods; 642 643 // List of package names to keep cached. 644 List<String> keepUninstalledPackages; 645 646 // TODO: review implementation decisions with frameworks team 647 boolean specifiesGlobalProxy = false; 648 String globalProxySpec = null; 649 String globalProxyExclusionList = null; 650 651 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 652 653 List<String> crossProfileWidgetProviders; 654 655 Bundle userRestrictions; 656 657 // Support text provided by the admin to display to the user. 658 CharSequence shortSupportMessage = null; 659 CharSequence longSupportMessage = null; 660 661 // Background color of confirm credentials screen. Default: teal. 662 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 663 int organizationColor = DEF_ORGANIZATION_COLOR; 664 665 // Default title of confirm credentials screen 666 String organizationName = null; 667 668 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 669 info = _info; 670 isParent = parent; 671 } 672 673 ActiveAdmin getParentActiveAdmin() { 674 Preconditions.checkState(!isParent); 675 676 if (parentAdmin == null) { 677 parentAdmin = new ActiveAdmin(info, /* parent */ true); 678 } 679 return parentAdmin; 680 } 681 682 boolean hasParentActiveAdmin() { 683 return parentAdmin != null; 684 } 685 686 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 687 688 public UserHandle getUserHandle() { 689 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 690 } 691 692 void writeToXml(XmlSerializer out) 693 throws IllegalArgumentException, IllegalStateException, IOException { 694 out.startTag(null, TAG_POLICIES); 695 info.writePoliciesToXml(out); 696 out.endTag(null, TAG_POLICIES); 697 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 698 out.startTag(null, TAG_PASSWORD_QUALITY); 699 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 700 out.endTag(null, TAG_PASSWORD_QUALITY); 701 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 702 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 703 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 704 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 705 } 706 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 707 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 708 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 709 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 710 } 711 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 712 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 713 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 714 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 715 } 716 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 717 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 718 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 719 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 720 } 721 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 722 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 723 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 724 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 725 } 726 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 727 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 728 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 729 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 730 } 731 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 732 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 733 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 734 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 735 } 736 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 737 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 738 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 739 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 740 } 741 } 742 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 743 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 744 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 745 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 746 } 747 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 748 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 749 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 750 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 751 } 752 if (specifiesGlobalProxy) { 753 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 754 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 755 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 756 if (globalProxySpec != null) { 757 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 758 out.attribute(null, ATTR_VALUE, globalProxySpec); 759 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 760 } 761 if (globalProxyExclusionList != null) { 762 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 763 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 764 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 765 } 766 } 767 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 768 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 769 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 770 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 771 } 772 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 773 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 774 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 775 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 776 } 777 if (encryptionRequested) { 778 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 779 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 780 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 781 } 782 if (disableCamera) { 783 out.startTag(null, TAG_DISABLE_CAMERA); 784 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 785 out.endTag(null, TAG_DISABLE_CAMERA); 786 } 787 if (disableCallerId) { 788 out.startTag(null, TAG_DISABLE_CALLER_ID); 789 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 790 out.endTag(null, TAG_DISABLE_CALLER_ID); 791 } 792 if (disableContactsSearch) { 793 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 794 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 795 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 796 } 797 if (!disableBluetoothContactSharing) { 798 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 799 out.attribute(null, ATTR_VALUE, 800 Boolean.toString(disableBluetoothContactSharing)); 801 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 802 } 803 if (disableScreenCapture) { 804 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 805 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 806 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 807 } 808 if (requireAutoTime) { 809 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 810 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 811 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 812 } 813 if (forceEphemeralUsers) { 814 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 815 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 816 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 817 } 818 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 819 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 820 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 821 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 822 } 823 if (!accountTypesWithManagementDisabled.isEmpty()) { 824 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 825 for (String ac : accountTypesWithManagementDisabled) { 826 out.startTag(null, TAG_ACCOUNT_TYPE); 827 out.attribute(null, ATTR_VALUE, ac); 828 out.endTag(null, TAG_ACCOUNT_TYPE); 829 } 830 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 831 } 832 if (!trustAgentInfos.isEmpty()) { 833 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 834 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 835 for (Entry<String, TrustAgentInfo> entry : set) { 836 TrustAgentInfo trustAgentInfo = entry.getValue(); 837 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 838 out.attribute(null, ATTR_VALUE, entry.getKey()); 839 if (trustAgentInfo.options != null) { 840 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 841 try { 842 trustAgentInfo.options.saveToXml(out); 843 } catch (XmlPullParserException e) { 844 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 845 } 846 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 847 } 848 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 849 } 850 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 851 } 852 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 853 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 854 final int providerCount = crossProfileWidgetProviders.size(); 855 for (int i = 0; i < providerCount; i++) { 856 String provider = crossProfileWidgetProviders.get(i); 857 out.startTag(null, TAG_PROVIDER); 858 out.attribute(null, ATTR_VALUE, provider); 859 out.endTag(null, TAG_PROVIDER); 860 } 861 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 862 } 863 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 864 permittedAccessiblityServices); 865 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 866 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 867 if (hasUserRestrictions()) { 868 UserRestrictionsUtils.writeRestrictions( 869 out, userRestrictions, TAG_USER_RESTRICTIONS); 870 } 871 if (!TextUtils.isEmpty(shortSupportMessage)) { 872 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 873 out.text(shortSupportMessage.toString()); 874 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 875 } 876 if (!TextUtils.isEmpty(longSupportMessage)) { 877 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 878 out.text(longSupportMessage.toString()); 879 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 880 } 881 if (parentAdmin != null) { 882 out.startTag(null, TAG_PARENT_ADMIN); 883 parentAdmin.writeToXml(out); 884 out.endTag(null, TAG_PARENT_ADMIN); 885 } 886 if (organizationColor != DEF_ORGANIZATION_COLOR) { 887 out.startTag(null, TAG_ORGANIZATION_COLOR); 888 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 889 out.endTag(null, TAG_ORGANIZATION_COLOR); 890 } 891 if (organizationName != null) { 892 out.startTag(null, TAG_ORGANIZATION_NAME); 893 out.text(organizationName); 894 out.endTag(null, TAG_ORGANIZATION_NAME); 895 } 896 } 897 898 void writePackageListToXml(XmlSerializer out, String outerTag, 899 List<String> packageList) 900 throws IllegalArgumentException, IllegalStateException, IOException { 901 if (packageList == null) { 902 return; 903 } 904 905 out.startTag(null, outerTag); 906 for (String packageName : packageList) { 907 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 908 out.attribute(null, ATTR_VALUE, packageName); 909 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 910 } 911 out.endTag(null, outerTag); 912 } 913 914 void readFromXml(XmlPullParser parser) 915 throws XmlPullParserException, IOException { 916 int outerDepth = parser.getDepth(); 917 int type; 918 while ((type=parser.next()) != END_DOCUMENT 919 && (type != END_TAG || parser.getDepth() > outerDepth)) { 920 if (type == END_TAG || type == TEXT) { 921 continue; 922 } 923 String tag = parser.getName(); 924 if (TAG_POLICIES.equals(tag)) { 925 info.readPoliciesFromXml(parser); 926 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 927 passwordQuality = Integer.parseInt( 928 parser.getAttributeValue(null, ATTR_VALUE)); 929 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 930 minimumPasswordLength = Integer.parseInt( 931 parser.getAttributeValue(null, ATTR_VALUE)); 932 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 933 passwordHistoryLength = Integer.parseInt( 934 parser.getAttributeValue(null, ATTR_VALUE)); 935 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 936 minimumPasswordUpperCase = Integer.parseInt( 937 parser.getAttributeValue(null, ATTR_VALUE)); 938 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 939 minimumPasswordLowerCase = Integer.parseInt( 940 parser.getAttributeValue(null, ATTR_VALUE)); 941 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 942 minimumPasswordLetters = Integer.parseInt( 943 parser.getAttributeValue(null, ATTR_VALUE)); 944 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 945 minimumPasswordNumeric = Integer.parseInt( 946 parser.getAttributeValue(null, ATTR_VALUE)); 947 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 948 minimumPasswordSymbols = Integer.parseInt( 949 parser.getAttributeValue(null, ATTR_VALUE)); 950 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 951 minimumPasswordNonLetter = Integer.parseInt( 952 parser.getAttributeValue(null, ATTR_VALUE)); 953 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 954 maximumTimeToUnlock = Long.parseLong( 955 parser.getAttributeValue(null, ATTR_VALUE)); 956 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 957 maximumFailedPasswordsForWipe = Integer.parseInt( 958 parser.getAttributeValue(null, ATTR_VALUE)); 959 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 960 specifiesGlobalProxy = Boolean.parseBoolean( 961 parser.getAttributeValue(null, ATTR_VALUE)); 962 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 963 globalProxySpec = 964 parser.getAttributeValue(null, ATTR_VALUE); 965 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 966 globalProxyExclusionList = 967 parser.getAttributeValue(null, ATTR_VALUE); 968 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 969 passwordExpirationTimeout = Long.parseLong( 970 parser.getAttributeValue(null, ATTR_VALUE)); 971 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 972 passwordExpirationDate = Long.parseLong( 973 parser.getAttributeValue(null, ATTR_VALUE)); 974 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 975 encryptionRequested = Boolean.parseBoolean( 976 parser.getAttributeValue(null, ATTR_VALUE)); 977 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 978 disableCamera = Boolean.parseBoolean( 979 parser.getAttributeValue(null, ATTR_VALUE)); 980 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 981 disableCallerId = Boolean.parseBoolean( 982 parser.getAttributeValue(null, ATTR_VALUE)); 983 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 984 disableContactsSearch = Boolean.parseBoolean( 985 parser.getAttributeValue(null, ATTR_VALUE)); 986 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 987 disableBluetoothContactSharing = Boolean.parseBoolean(parser 988 .getAttributeValue(null, ATTR_VALUE)); 989 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 990 disableScreenCapture = Boolean.parseBoolean( 991 parser.getAttributeValue(null, ATTR_VALUE)); 992 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 993 requireAutoTime = Boolean.parseBoolean( 994 parser.getAttributeValue(null, ATTR_VALUE)); 995 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 996 forceEphemeralUsers = Boolean.parseBoolean( 997 parser.getAttributeValue(null, ATTR_VALUE)); 998 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 999 disabledKeyguardFeatures = Integer.parseInt( 1000 parser.getAttributeValue(null, ATTR_VALUE)); 1001 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1002 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 1003 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1004 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1005 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1006 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 1007 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1008 permittedAccessiblityServices = readPackageList(parser, tag); 1009 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1010 permittedInputMethods = readPackageList(parser, tag); 1011 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1012 keepUninstalledPackages = readPackageList(parser, tag); 1013 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1014 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 1015 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1016 type = parser.next(); 1017 if (type == XmlPullParser.TEXT) { 1018 shortSupportMessage = parser.getText(); 1019 } else { 1020 Log.w(LOG_TAG, "Missing text when loading short support message"); 1021 } 1022 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1023 type = parser.next(); 1024 if (type == XmlPullParser.TEXT) { 1025 longSupportMessage = parser.getText(); 1026 } else { 1027 Log.w(LOG_TAG, "Missing text when loading long support message"); 1028 } 1029 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1030 Preconditions.checkState(!isParent); 1031 1032 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1033 parentAdmin.readFromXml(parser); 1034 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1035 organizationColor = Integer.parseInt( 1036 parser.getAttributeValue(null, ATTR_VALUE)); 1037 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1038 type = parser.next(); 1039 if (type == XmlPullParser.TEXT) { 1040 organizationName = parser.getText(); 1041 } else { 1042 Log.w(LOG_TAG, "Missing text when loading organization name"); 1043 } 1044 } else { 1045 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1046 XmlUtils.skipCurrentTag(parser); 1047 } 1048 } 1049 } 1050 1051 private List<String> readPackageList(XmlPullParser parser, 1052 String tag) throws XmlPullParserException, IOException { 1053 List<String> result = new ArrayList<String>(); 1054 int outerDepth = parser.getDepth(); 1055 int outerType; 1056 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1057 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1058 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1059 continue; 1060 } 1061 String outerTag = parser.getName(); 1062 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1063 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1064 if (packageName != null) { 1065 result.add(packageName); 1066 } else { 1067 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1068 } 1069 } else { 1070 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1071 } 1072 } 1073 return result; 1074 } 1075 1076 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 1077 throws XmlPullParserException, IOException { 1078 int outerDepthDAM = parser.getDepth(); 1079 int typeDAM; 1080 Set<String> result = new ArraySet<>(); 1081 while ((typeDAM=parser.next()) != END_DOCUMENT 1082 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1083 if (typeDAM == END_TAG || typeDAM == TEXT) { 1084 continue; 1085 } 1086 String tagDAM = parser.getName(); 1087 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 1088 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1089 } else { 1090 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1091 } 1092 } 1093 return result; 1094 } 1095 1096 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1097 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1098 int outerDepthDAM = parser.getDepth(); 1099 int typeDAM; 1100 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1101 while ((typeDAM=parser.next()) != END_DOCUMENT 1102 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1103 if (typeDAM == END_TAG || typeDAM == TEXT) { 1104 continue; 1105 } 1106 String tagDAM = parser.getName(); 1107 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1108 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1109 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1110 result.put(component, trustAgentInfo); 1111 } else { 1112 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1113 } 1114 } 1115 return result; 1116 } 1117 1118 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1119 throws XmlPullParserException, IOException { 1120 int outerDepthDAM = parser.getDepth(); 1121 int typeDAM; 1122 TrustAgentInfo result = new TrustAgentInfo(null); 1123 while ((typeDAM=parser.next()) != END_DOCUMENT 1124 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1125 if (typeDAM == END_TAG || typeDAM == TEXT) { 1126 continue; 1127 } 1128 String tagDAM = parser.getName(); 1129 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1130 result.options = PersistableBundle.restoreFromXml(parser); 1131 } else { 1132 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1133 } 1134 } 1135 return result; 1136 } 1137 1138 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 1139 throws XmlPullParserException, IOException { 1140 int outerDepthDAM = parser.getDepth(); 1141 int typeDAM; 1142 ArrayList<String> result = null; 1143 while ((typeDAM=parser.next()) != END_DOCUMENT 1144 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1145 if (typeDAM == END_TAG || typeDAM == TEXT) { 1146 continue; 1147 } 1148 String tagDAM = parser.getName(); 1149 if (TAG_PROVIDER.equals(tagDAM)) { 1150 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 1151 if (result == null) { 1152 result = new ArrayList<>(); 1153 } 1154 result.add(provider); 1155 } else { 1156 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1157 } 1158 } 1159 return result; 1160 } 1161 1162 boolean hasUserRestrictions() { 1163 return userRestrictions != null && userRestrictions.size() > 0; 1164 } 1165 1166 Bundle ensureUserRestrictions() { 1167 if (userRestrictions == null) { 1168 userRestrictions = new Bundle(); 1169 } 1170 return userRestrictions; 1171 } 1172 1173 void dump(String prefix, PrintWriter pw) { 1174 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1175 pw.print(prefix); pw.println("policies:"); 1176 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1177 if (pols != null) { 1178 for (int i=0; i<pols.size(); i++) { 1179 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1180 } 1181 } 1182 pw.print(prefix); pw.print("passwordQuality=0x"); 1183 pw.println(Integer.toHexString(passwordQuality)); 1184 pw.print(prefix); pw.print("minimumPasswordLength="); 1185 pw.println(minimumPasswordLength); 1186 pw.print(prefix); pw.print("passwordHistoryLength="); 1187 pw.println(passwordHistoryLength); 1188 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1189 pw.println(minimumPasswordUpperCase); 1190 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1191 pw.println(minimumPasswordLowerCase); 1192 pw.print(prefix); pw.print("minimumPasswordLetters="); 1193 pw.println(minimumPasswordLetters); 1194 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1195 pw.println(minimumPasswordNumeric); 1196 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1197 pw.println(minimumPasswordSymbols); 1198 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1199 pw.println(minimumPasswordNonLetter); 1200 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1201 pw.println(maximumTimeToUnlock); 1202 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1203 pw.println(maximumFailedPasswordsForWipe); 1204 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1205 pw.println(specifiesGlobalProxy); 1206 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1207 pw.println(passwordExpirationTimeout); 1208 pw.print(prefix); pw.print("passwordExpirationDate="); 1209 pw.println(passwordExpirationDate); 1210 if (globalProxySpec != null) { 1211 pw.print(prefix); pw.print("globalProxySpec="); 1212 pw.println(globalProxySpec); 1213 } 1214 if (globalProxyExclusionList != null) { 1215 pw.print(prefix); pw.print("globalProxyEclusionList="); 1216 pw.println(globalProxyExclusionList); 1217 } 1218 pw.print(prefix); pw.print("encryptionRequested="); 1219 pw.println(encryptionRequested); 1220 pw.print(prefix); pw.print("disableCamera="); 1221 pw.println(disableCamera); 1222 pw.print(prefix); pw.print("disableCallerId="); 1223 pw.println(disableCallerId); 1224 pw.print(prefix); pw.print("disableContactsSearch="); 1225 pw.println(disableContactsSearch); 1226 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1227 pw.println(disableBluetoothContactSharing); 1228 pw.print(prefix); pw.print("disableScreenCapture="); 1229 pw.println(disableScreenCapture); 1230 pw.print(prefix); pw.print("requireAutoTime="); 1231 pw.println(requireAutoTime); 1232 pw.print(prefix); pw.print("forceEphemeralUsers="); 1233 pw.println(forceEphemeralUsers); 1234 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1235 pw.println(disabledKeyguardFeatures); 1236 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1237 pw.println(crossProfileWidgetProviders); 1238 if (permittedAccessiblityServices != null) { 1239 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1240 pw.println(permittedAccessiblityServices); 1241 } 1242 if (permittedInputMethods != null) { 1243 pw.print(prefix); pw.print("permittedInputMethods="); 1244 pw.println(permittedInputMethods); 1245 } 1246 if (keepUninstalledPackages != null) { 1247 pw.print(prefix); pw.print("keepUninstalledPackages="); 1248 pw.println(keepUninstalledPackages); 1249 } 1250 pw.print(prefix); pw.print("organizationColor="); 1251 pw.println(organizationColor); 1252 if (organizationName != null) { 1253 pw.print(prefix); pw.print("organizationName="); 1254 pw.println(organizationName); 1255 } 1256 pw.print(prefix); pw.println("userRestrictions:"); 1257 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1258 pw.print(prefix); pw.print("isParent="); 1259 pw.println(isParent); 1260 if (parentAdmin != null) { 1261 pw.print(prefix); pw.println("parentAdmin:"); 1262 parentAdmin.dump(prefix + " ", pw); 1263 } 1264 } 1265 } 1266 1267 private void handlePackagesChanged(String packageName, int userHandle) { 1268 boolean removed = false; 1269 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1270 DevicePolicyData policy = getUserData(userHandle); 1271 synchronized (this) { 1272 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1273 ActiveAdmin aa = policy.mAdminList.get(i); 1274 try { 1275 // If we're checking all packages or if the specific one we're checking matches, 1276 // then check if the package and receiver still exist. 1277 final String adminPackage = aa.info.getPackageName(); 1278 if (packageName == null || packageName.equals(adminPackage)) { 1279 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1280 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1281 PackageManager.MATCH_DIRECT_BOOT_AWARE 1282 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1283 userHandle) == null) { 1284 removed = true; 1285 policy.mAdminList.remove(i); 1286 policy.mAdminMap.remove(aa.info.getComponent()); 1287 } 1288 } 1289 } catch (RemoteException re) { 1290 // Shouldn't happen 1291 } 1292 } 1293 if (removed) { 1294 validatePasswordOwnerLocked(policy); 1295 saveSettingsLocked(policy.mUserHandle); 1296 } 1297 1298 // Check if delegated cert installer or app restrictions managing packages are removed. 1299 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1300 policy.mDelegatedCertInstallerPackage = null; 1301 saveSettingsLocked(policy.mUserHandle); 1302 } 1303 if (isRemovedPackage( 1304 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1305 policy.mApplicationRestrictionsManagingPackage = null; 1306 saveSettingsLocked(policy.mUserHandle); 1307 } 1308 } 1309 if (removed) { 1310 // The removed admin might have disabled camera, so update user restrictions. 1311 pushUserRestrictions(userHandle); 1312 } 1313 } 1314 1315 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1316 try { 1317 return targetPackage != null 1318 && (changedPackage == null || changedPackage.equals(targetPackage)) 1319 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1320 } catch (RemoteException e) { 1321 // Shouldn't happen 1322 } 1323 1324 return false; 1325 } 1326 1327 /** 1328 * Unit test will subclass it to inject mocks. 1329 */ 1330 @VisibleForTesting 1331 static class Injector { 1332 1333 private final Context mContext; 1334 1335 Injector(Context context) { 1336 mContext = context; 1337 } 1338 1339 Owners newOwners() { 1340 return new Owners(mContext, getUserManager(), getUserManagerInternal()); 1341 } 1342 1343 UserManager getUserManager() { 1344 return UserManager.get(mContext); 1345 } 1346 1347 UserManagerInternal getUserManagerInternal() { 1348 return LocalServices.getService(UserManagerInternal.class); 1349 } 1350 1351 PackageManagerInternal getPackageManagerInternal() { 1352 return LocalServices.getService(PackageManagerInternal.class); 1353 } 1354 1355 NotificationManager getNotificationManager() { 1356 return mContext.getSystemService(NotificationManager.class); 1357 } 1358 1359 PowerManagerInternal getPowerManagerInternal() { 1360 return LocalServices.getService(PowerManagerInternal.class); 1361 } 1362 1363 TelephonyManager getTelephonyManager() { 1364 return TelephonyManager.from(mContext); 1365 } 1366 1367 IWindowManager getIWindowManager() { 1368 return IWindowManager.Stub 1369 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1370 } 1371 1372 IActivityManager getIActivityManager() { 1373 return ActivityManagerNative.getDefault(); 1374 } 1375 1376 IPackageManager getIPackageManager() { 1377 return AppGlobals.getPackageManager(); 1378 } 1379 1380 IBackupManager getIBackupManager() { 1381 return IBackupManager.Stub.asInterface( 1382 ServiceManager.getService(Context.BACKUP_SERVICE)); 1383 } 1384 1385 IAudioService getIAudioService() { 1386 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1387 } 1388 1389 LockPatternUtils newLockPatternUtils() { 1390 return new LockPatternUtils(mContext); 1391 } 1392 1393 boolean storageManagerIsFileBasedEncryptionEnabled() { 1394 return StorageManager.isFileEncryptedNativeOnly(); 1395 } 1396 1397 boolean storageManagerIsNonDefaultBlockEncrypted() { 1398 long identity = Binder.clearCallingIdentity(); 1399 try { 1400 return StorageManager.isNonDefaultBlockEncrypted(); 1401 } finally { 1402 Binder.restoreCallingIdentity(identity); 1403 } 1404 } 1405 1406 boolean storageManagerIsEncrypted() { 1407 return StorageManager.isEncrypted(); 1408 } 1409 1410 boolean storageManagerIsEncryptable() { 1411 return StorageManager.isEncryptable(); 1412 } 1413 1414 Looper getMyLooper() { 1415 return Looper.myLooper(); 1416 } 1417 1418 WifiManager getWifiManager() { 1419 return mContext.getSystemService(WifiManager.class); 1420 } 1421 1422 long binderClearCallingIdentity() { 1423 return Binder.clearCallingIdentity(); 1424 } 1425 1426 void binderRestoreCallingIdentity(long token) { 1427 Binder.restoreCallingIdentity(token); 1428 } 1429 1430 int binderGetCallingUid() { 1431 return Binder.getCallingUid(); 1432 } 1433 1434 int binderGetCallingPid() { 1435 return Binder.getCallingPid(); 1436 } 1437 1438 UserHandle binderGetCallingUserHandle() { 1439 return Binder.getCallingUserHandle(); 1440 } 1441 1442 boolean binderIsCallingUidMyUid() { 1443 return getCallingUid() == Process.myUid(); 1444 } 1445 1446 final int userHandleGetCallingUserId() { 1447 return UserHandle.getUserId(binderGetCallingUid()); 1448 } 1449 1450 File environmentGetUserSystemDirectory(int userId) { 1451 return Environment.getUserSystemDirectory(userId); 1452 } 1453 1454 void powerManagerGoToSleep(long time, int reason, int flags) { 1455 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1456 } 1457 1458 void powerManagerReboot(String reason) { 1459 mContext.getSystemService(PowerManager.class).reboot(reason); 1460 } 1461 1462 boolean systemPropertiesGetBoolean(String key, boolean def) { 1463 return SystemProperties.getBoolean(key, def); 1464 } 1465 1466 long systemPropertiesGetLong(String key, long def) { 1467 return SystemProperties.getLong(key, def); 1468 } 1469 1470 String systemPropertiesGet(String key, String def) { 1471 return SystemProperties.get(key, def); 1472 } 1473 1474 String systemPropertiesGet(String key) { 1475 return SystemProperties.get(key); 1476 } 1477 1478 void systemPropertiesSet(String key, String value) { 1479 SystemProperties.set(key, value); 1480 } 1481 1482 boolean userManagerIsSplitSystemUser() { 1483 return UserManager.isSplitSystemUser(); 1484 } 1485 1486 String getDevicePolicyFilePathForSystemUser() { 1487 return "/data/system/"; 1488 } 1489 1490 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1491 ContentObserver observer, int userHandle) { 1492 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1493 observer, userHandle); 1494 } 1495 1496 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1497 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1498 name, def, userHandle); 1499 } 1500 1501 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1502 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1503 name, value, userHandle); 1504 } 1505 1506 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1507 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1508 name, value, userHandle); 1509 } 1510 1511 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1512 Settings.Global.putStringForUser(mContext.getContentResolver(), 1513 name, value, userHandle); 1514 } 1515 1516 void settingsSecurePutInt(String name, int value) { 1517 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1518 } 1519 1520 int settingsGlobalGetInt(String name, int def) { 1521 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1522 } 1523 1524 void settingsGlobalPutInt(String name, int value) { 1525 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1526 } 1527 1528 void settingsSecurePutString(String name, String value) { 1529 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1530 } 1531 1532 void settingsGlobalPutString(String name, String value) { 1533 Settings.Global.putString(mContext.getContentResolver(), name, value); 1534 } 1535 1536 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1537 SecurityLog.setLoggingEnabledProperty(enabled); 1538 } 1539 1540 boolean securityLogGetLoggingEnabledProperty() { 1541 return SecurityLog.getLoggingEnabledProperty(); 1542 } 1543 1544 boolean securityLogIsLoggingEnabled() { 1545 return SecurityLog.isLoggingEnabled(); 1546 } 1547 } 1548 1549 /** 1550 * Instantiates the service. 1551 */ 1552 public DevicePolicyManagerService(Context context) { 1553 this(new Injector(context)); 1554 } 1555 1556 @VisibleForTesting 1557 DevicePolicyManagerService(Injector injector) { 1558 mInjector = injector; 1559 mContext = Preconditions.checkNotNull(injector.mContext); 1560 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1561 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1562 1563 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1564 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1565 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1566 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1567 1568 mLocalService = new LocalService(); 1569 mLockPatternUtils = injector.newLockPatternUtils(); 1570 1571 mSecurityLogMonitor = new SecurityLogMonitor(this); 1572 1573 mHasFeature = mContext.getPackageManager() 1574 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1575 if (!mHasFeature) { 1576 // Skip the rest of the initialization 1577 return; 1578 } 1579 IntentFilter filter = new IntentFilter(); 1580 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1581 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1582 filter.addAction(Intent.ACTION_USER_ADDED); 1583 filter.addAction(Intent.ACTION_USER_REMOVED); 1584 filter.addAction(Intent.ACTION_USER_STARTED); 1585 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1586 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1587 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1588 filter = new IntentFilter(); 1589 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1590 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1591 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1592 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1593 filter.addDataScheme("package"); 1594 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1595 filter = new IntentFilter(); 1596 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1597 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1598 1599 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1600 } 1601 1602 /** 1603 * Creates and loads the policy data from xml. 1604 * @param userHandle the user for whom to load the policy data 1605 * @return 1606 */ 1607 @NonNull 1608 DevicePolicyData getUserData(int userHandle) { 1609 synchronized (this) { 1610 DevicePolicyData policy = mUserData.get(userHandle); 1611 if (policy == null) { 1612 policy = new DevicePolicyData(userHandle); 1613 mUserData.append(userHandle, policy); 1614 loadSettingsLocked(policy, userHandle); 1615 } 1616 return policy; 1617 } 1618 } 1619 1620 /** 1621 * Creates and loads the policy data from xml for data that is shared between 1622 * various profiles of a user. In contrast to {@link #getUserData(int)} 1623 * it allows access to data of users other than the calling user. 1624 * 1625 * This function should only be used for shared data, e.g. everything regarding 1626 * passwords and should be removed once multiple screen locks are present. 1627 * @param userHandle the user for whom to load the policy data 1628 * @return 1629 */ 1630 DevicePolicyData getUserDataUnchecked(int userHandle) { 1631 long ident = mInjector.binderClearCallingIdentity(); 1632 try { 1633 return getUserData(userHandle); 1634 } finally { 1635 mInjector.binderRestoreCallingIdentity(ident); 1636 } 1637 } 1638 1639 void removeUserData(int userHandle) { 1640 synchronized (this) { 1641 if (userHandle == UserHandle.USER_SYSTEM) { 1642 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1643 return; 1644 } 1645 mOwners.removeProfileOwner(userHandle); 1646 mOwners.writeProfileOwner(userHandle); 1647 1648 DevicePolicyData policy = mUserData.get(userHandle); 1649 if (policy != null) { 1650 mUserData.remove(userHandle); 1651 } 1652 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1653 DEVICE_POLICIES_XML); 1654 policyFile.delete(); 1655 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1656 } 1657 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1658 } 1659 1660 void loadOwners() { 1661 synchronized (this) { 1662 mOwners.load(); 1663 setDeviceOwnerSystemPropertyLocked(); 1664 findOwnerComponentIfNecessaryLocked(); 1665 migrateUserRestrictionsIfNecessaryLocked(); 1666 1667 // TODO PO may not have a class name either due to b/17652534. Address that too. 1668 1669 updateDeviceOwnerLocked(); 1670 } 1671 } 1672 1673 private void setDeviceOwnerSystemPropertyLocked() { 1674 // Device owner may still be provisioned, do not set the read-only system property yet. 1675 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1676 return; 1677 } 1678 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1679 // always false at this point. 1680 if (StorageManager.inCryptKeeperBounce()) { 1681 return; 1682 } 1683 1684 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1685 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1686 } else { 1687 if (mOwners.hasDeviceOwner()) { 1688 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1689 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1690 disableSecurityLoggingIfNotCompliant(); 1691 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1692 mSecurityLogMonitor.start(); 1693 } 1694 } else { 1695 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1696 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1697 } 1698 } 1699 } 1700 1701 private void findOwnerComponentIfNecessaryLocked() { 1702 if (!mOwners.hasDeviceOwner()) { 1703 return; 1704 } 1705 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1706 1707 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1708 return; // Already a full component name. 1709 } 1710 1711 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1712 doComponentName.getPackageName(), 1713 mOwners.getDeviceOwnerUserId()); 1714 if (doComponent == null) { 1715 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1716 } else { 1717 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1718 doComponent, 1719 mOwners.getDeviceOwnerName(), 1720 mOwners.getDeviceOwnerUserId(), 1721 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1722 mOwners.writeDeviceOwner(); 1723 if (VERBOSE_LOG) { 1724 Log.v(LOG_TAG, "Device owner component filled in"); 1725 } 1726 } 1727 } 1728 1729 /** 1730 * We didn't use to persist user restrictions for each owners but only persisted in user 1731 * manager. 1732 */ 1733 private void migrateUserRestrictionsIfNecessaryLocked() { 1734 boolean migrated = false; 1735 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1736 // except for the "system controlled" ones. 1737 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1738 if (VERBOSE_LOG) { 1739 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1740 } 1741 migrated = true; 1742 1743 // Migrate user 0 restrictions to DO. 1744 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1745 1746 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1747 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1748 1749 // Push DO user restrictions to user manager. 1750 pushUserRestrictions(UserHandle.USER_SYSTEM); 1751 1752 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1753 } 1754 1755 // Migrate for POs. 1756 1757 // The following restrictions can be set on secondary users by the device owner, so we 1758 // assume they're not from the PO. 1759 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1760 UserManager.DISALLOW_OUTGOING_CALLS, 1761 UserManager.DISALLOW_SMS); 1762 1763 for (UserInfo ui : mUserManager.getUsers()) { 1764 final int userId = ui.id; 1765 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1766 if (VERBOSE_LOG) { 1767 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1768 } 1769 migrated = true; 1770 1771 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1772 1773 final Set<String> exceptionList = 1774 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1775 1776 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1777 exceptionList, /* isDeviceOwner =*/ false); 1778 1779 // Note if a secondary user has no PO but has a DA that disables camera, we 1780 // don't get here and won't push the camera user restriction to UserManager 1781 // here. That's okay because we'll push user restrictions anyway when a user 1782 // starts. But we still do it because we want to let user manager persist 1783 // upon migration. 1784 pushUserRestrictions(userId); 1785 1786 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1787 } 1788 } 1789 if (VERBOSE_LOG && migrated) { 1790 Log.v(LOG_TAG, "User restrictions migrated."); 1791 } 1792 } 1793 1794 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1795 Set<String> exceptionList, boolean isDeviceOwner) { 1796 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1797 user.getIdentifier()); 1798 1799 final Bundle newBaseRestrictions = new Bundle(); 1800 final Bundle newOwnerRestrictions = new Bundle(); 1801 1802 for (String key : origRestrictions.keySet()) { 1803 if (!origRestrictions.getBoolean(key)) { 1804 continue; 1805 } 1806 final boolean canOwnerChange = isDeviceOwner 1807 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1808 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1809 1810 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1811 newBaseRestrictions.putBoolean(key, true); 1812 } else { 1813 newOwnerRestrictions.putBoolean(key, true); 1814 } 1815 } 1816 1817 if (VERBOSE_LOG) { 1818 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1819 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1820 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1821 } 1822 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1823 newBaseRestrictions); 1824 1825 if (admin != null) { 1826 admin.ensureUserRestrictions().clear(); 1827 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1828 } else { 1829 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1830 } 1831 saveSettingsLocked(user.getIdentifier()); 1832 } 1833 1834 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1835 final DevicePolicyData policy = getUserData(userId); 1836 final int n = policy.mAdminList.size(); 1837 ComponentName found = null; 1838 int nFound = 0; 1839 for (int i = 0; i < n; i++) { 1840 final ActiveAdmin admin = policy.mAdminList.get(i); 1841 if (packageName.equals(admin.info.getPackageName())) { 1842 // Found! 1843 if (nFound == 0) { 1844 found = admin.info.getComponent(); 1845 } 1846 nFound++; 1847 } 1848 } 1849 if (nFound > 1) { 1850 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1851 } 1852 return found; 1853 } 1854 1855 /** 1856 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1857 * reminders. Clears alarm if no expirations are configured. 1858 */ 1859 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 1860 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 1861 final long now = System.currentTimeMillis(); 1862 final long timeToExpire = expiration - now; 1863 final long alarmTime; 1864 if (expiration == 0) { 1865 // No expirations are currently configured: Cancel alarm. 1866 alarmTime = 0; 1867 } else if (timeToExpire <= 0) { 1868 // The password has already expired: Repeat every 24 hours. 1869 alarmTime = now + MS_PER_DAY; 1870 } else { 1871 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1872 // the expiration time. 1873 long alarmInterval = timeToExpire % MS_PER_DAY; 1874 if (alarmInterval == 0) { 1875 alarmInterval = MS_PER_DAY; 1876 } 1877 alarmTime = now + alarmInterval; 1878 } 1879 1880 long token = mInjector.binderClearCallingIdentity(); 1881 try { 1882 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 1883 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1884 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1885 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1886 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1887 UserHandle.of(affectedUserHandle)); 1888 am.cancel(pi); 1889 if (alarmTime != 0) { 1890 am.set(AlarmManager.RTC, alarmTime, pi); 1891 } 1892 } finally { 1893 mInjector.binderRestoreCallingIdentity(token); 1894 } 1895 } 1896 1897 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1898 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1899 if (admin != null 1900 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1901 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1902 return admin; 1903 } 1904 return null; 1905 } 1906 1907 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 1908 if (parent) { 1909 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 1910 } 1911 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1912 if (admin != null && parent) { 1913 admin = admin.getParentActiveAdmin(); 1914 } 1915 return admin; 1916 } 1917 1918 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1919 throws SecurityException { 1920 final int callingUid = mInjector.binderGetCallingUid(); 1921 1922 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1923 if (result != null) { 1924 return result; 1925 } 1926 1927 if (who != null) { 1928 final int userId = UserHandle.getUserId(callingUid); 1929 final DevicePolicyData policy = getUserData(userId); 1930 ActiveAdmin admin = policy.mAdminMap.get(who); 1931 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1932 throw new SecurityException("Admin " + admin.info.getComponent() 1933 + " does not own the device"); 1934 } 1935 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1936 throw new SecurityException("Admin " + admin.info.getComponent() 1937 + " does not own the profile"); 1938 } 1939 throw new SecurityException("Admin " + admin.info.getComponent() 1940 + " did not specify uses-policy for: " 1941 + admin.info.getTagForPolicy(reqPolicy)); 1942 } else { 1943 throw new SecurityException("No active admin owned by uid " 1944 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 1945 } 1946 } 1947 1948 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 1949 throws SecurityException { 1950 if (parent) { 1951 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 1952 "call APIs on the parent profile"); 1953 } 1954 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 1955 return parent ? admin.getParentActiveAdmin() : admin; 1956 } 1957 /** 1958 * Find the admin for the component and userId bit of the uid, then check 1959 * the admin's uid matches the uid. 1960 */ 1961 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 1962 final int userId = UserHandle.getUserId(uid); 1963 final DevicePolicyData policy = getUserData(userId); 1964 ActiveAdmin admin = policy.mAdminMap.get(who); 1965 if (admin == null) { 1966 throw new SecurityException("No active admin " + who); 1967 } 1968 if (admin.getUid() != uid) { 1969 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1970 } 1971 return admin; 1972 } 1973 1974 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1975 int uid) { 1976 // Try to find an admin which can use reqPolicy 1977 final int userId = UserHandle.getUserId(uid); 1978 final DevicePolicyData policy = getUserData(userId); 1979 if (who != null) { 1980 ActiveAdmin admin = policy.mAdminMap.get(who); 1981 if (admin == null) { 1982 throw new SecurityException("No active admin " + who); 1983 } 1984 if (admin.getUid() != uid) { 1985 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1986 } 1987 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1988 return admin; 1989 } 1990 } else { 1991 for (ActiveAdmin admin : policy.mAdminList) { 1992 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 1993 userId)) { 1994 return admin; 1995 } 1996 } 1997 } 1998 1999 return null; 2000 } 2001 2002 @VisibleForTesting 2003 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2004 int userId) { 2005 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2006 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2007 2008 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2009 return ownsDevice; 2010 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2011 // DO always has the PO power. 2012 return ownsDevice || ownsProfile; 2013 } else { 2014 return admin.info.usesPolicy(reqPolicy); 2015 } 2016 } 2017 2018 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2019 sendAdminCommandLocked(admin, action, null); 2020 } 2021 2022 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2023 sendAdminCommandLocked(admin, action, null, result); 2024 } 2025 2026 /** 2027 * Send an update to one specific admin, get notified when that admin returns a result. 2028 */ 2029 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2030 BroadcastReceiver result) { 2031 Intent intent = new Intent(action); 2032 intent.setComponent(admin.info.getComponent()); 2033 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2034 intent.putExtra("expiration", admin.passwordExpirationDate); 2035 } 2036 if (adminExtras != null) { 2037 intent.putExtras(adminExtras); 2038 } 2039 if (result != null) { 2040 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2041 null, result, mHandler, Activity.RESULT_OK, null, null); 2042 } else { 2043 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2044 } 2045 } 2046 2047 /** 2048 * Send an update to all admins of a user that enforce a specified policy. 2049 */ 2050 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 2051 final DevicePolicyData policy = getUserData(userHandle); 2052 final int count = policy.mAdminList.size(); 2053 if (count > 0) { 2054 for (int i = 0; i < count; i++) { 2055 final ActiveAdmin admin = policy.mAdminList.get(i); 2056 if (admin.info.usesPolicy(reqPolicy)) { 2057 sendAdminCommandLocked(admin, action); 2058 } 2059 } 2060 } 2061 } 2062 2063 /** 2064 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2065 * enforce a specified policy. 2066 */ 2067 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2068 int userHandle) { 2069 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2070 for (int profileId : profileIds) { 2071 sendAdminCommandLocked(action, reqPolicy, profileId); 2072 } 2073 } 2074 2075 /** 2076 * Sends a broadcast to each profile that share the password unlock with the given user id. 2077 */ 2078 private void sendAdminCommandForLockscreenPoliciesLocked( 2079 String action, int reqPolicy, int userHandle) { 2080 if (isSeparateProfileChallengeEnabled(userHandle)) { 2081 sendAdminCommandLocked(action, reqPolicy, userHandle); 2082 } else { 2083 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 2084 } 2085 } 2086 2087 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2088 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2089 if (admin != null) { 2090 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 2091 sendAdminCommandLocked(admin, 2092 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2093 new BroadcastReceiver() { 2094 @Override 2095 public void onReceive(Context context, Intent intent) { 2096 removeAdminArtifacts(adminReceiver, userHandle); 2097 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2098 } 2099 }); 2100 } 2101 } 2102 2103 2104 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2105 boolean throwForMissiongPermission) { 2106 if (!mHasFeature) { 2107 return null; 2108 } 2109 enforceFullCrossUsersPermission(userHandle); 2110 ActivityInfo ai = null; 2111 try { 2112 ai = mIPackageManager.getReceiverInfo(adminName, 2113 PackageManager.GET_META_DATA | 2114 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2115 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2116 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2117 } catch (RemoteException e) { 2118 // shouldn't happen. 2119 } 2120 if (ai == null) { 2121 throw new IllegalArgumentException("Unknown admin: " + adminName); 2122 } 2123 2124 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2125 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2126 + permission.BIND_DEVICE_ADMIN; 2127 Slog.w(LOG_TAG, message); 2128 if (throwForMissiongPermission && 2129 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2130 throw new IllegalArgumentException(message); 2131 } 2132 } 2133 2134 try { 2135 return new DeviceAdminInfo(mContext, ai); 2136 } catch (XmlPullParserException | IOException e) { 2137 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2138 e); 2139 return null; 2140 } 2141 } 2142 2143 private JournaledFile makeJournaledFile(int userHandle) { 2144 final String base = userHandle == UserHandle.USER_SYSTEM 2145 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2146 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2147 DEVICE_POLICIES_XML).getAbsolutePath(); 2148 if (VERBOSE_LOG) { 2149 Log.v(LOG_TAG, "Opening " + base); 2150 } 2151 return new JournaledFile(new File(base), new File(base + ".tmp")); 2152 } 2153 2154 private void saveSettingsLocked(int userHandle) { 2155 DevicePolicyData policy = getUserData(userHandle); 2156 JournaledFile journal = makeJournaledFile(userHandle); 2157 FileOutputStream stream = null; 2158 try { 2159 stream = new FileOutputStream(journal.chooseForWrite(), false); 2160 XmlSerializer out = new FastXmlSerializer(); 2161 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2162 out.startDocument(null, true); 2163 2164 out.startTag(null, "policies"); 2165 if (policy.mRestrictionsProvider != null) { 2166 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2167 policy.mRestrictionsProvider.flattenToString()); 2168 } 2169 if (policy.mUserSetupComplete) { 2170 out.attribute(null, ATTR_SETUP_COMPLETE, 2171 Boolean.toString(true)); 2172 } 2173 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2174 out.attribute(null, ATTR_PROVISIONING_STATE, 2175 Integer.toString(policy.mUserProvisioningState)); 2176 } 2177 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2178 out.attribute(null, ATTR_PERMISSION_POLICY, 2179 Integer.toString(policy.mPermissionPolicy)); 2180 } 2181 if (policy.mDelegatedCertInstallerPackage != null) { 2182 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2183 policy.mDelegatedCertInstallerPackage); 2184 } 2185 if (policy.mApplicationRestrictionsManagingPackage != null) { 2186 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2187 policy.mApplicationRestrictionsManagingPackage); 2188 } 2189 2190 final int N = policy.mAdminList.size(); 2191 for (int i=0; i<N; i++) { 2192 ActiveAdmin ap = policy.mAdminList.get(i); 2193 if (ap != null) { 2194 out.startTag(null, "admin"); 2195 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2196 ap.writeToXml(out); 2197 out.endTag(null, "admin"); 2198 } 2199 } 2200 2201 if (policy.mPasswordOwner >= 0) { 2202 out.startTag(null, "password-owner"); 2203 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2204 out.endTag(null, "password-owner"); 2205 } 2206 2207 if (policy.mFailedPasswordAttempts != 0) { 2208 out.startTag(null, "failed-password-attempts"); 2209 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2210 out.endTag(null, "failed-password-attempts"); 2211 } 2212 2213 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 2214 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 2215 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 2216 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 2217 out.startTag(null, "active-password"); 2218 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 2219 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 2220 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 2221 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 2222 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 2223 out.attribute(null, "numeric", Integer 2224 .toString(policy.mActivePasswordNumeric)); 2225 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 2226 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 2227 out.endTag(null, "active-password"); 2228 } 2229 2230 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2231 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2232 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2233 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2234 } 2235 2236 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2237 String component = policy.mLockTaskPackages.get(i); 2238 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2239 out.attribute(null, "name", component); 2240 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2241 } 2242 2243 if (policy.mStatusBarDisabled) { 2244 out.startTag(null, TAG_STATUS_BAR); 2245 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2246 out.endTag(null, TAG_STATUS_BAR); 2247 } 2248 2249 if (policy.doNotAskCredentialsOnBoot) { 2250 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2251 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2252 } 2253 2254 for (String id : policy.mAffiliationIds) { 2255 out.startTag(null, TAG_AFFILIATION_ID); 2256 out.attribute(null, "id", id); 2257 out.endTag(null, TAG_AFFILIATION_ID); 2258 } 2259 2260 if (policy.mAdminBroadcastPending) { 2261 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2262 out.attribute(null, ATTR_VALUE, 2263 Boolean.toString(policy.mAdminBroadcastPending)); 2264 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2265 } 2266 2267 if (policy.mInitBundle != null) { 2268 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2269 policy.mInitBundle.saveToXml(out); 2270 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2271 } 2272 2273 out.endTag(null, "policies"); 2274 2275 out.endDocument(); 2276 stream.flush(); 2277 FileUtils.sync(stream); 2278 stream.close(); 2279 journal.commit(); 2280 sendChangedNotification(userHandle); 2281 } catch (XmlPullParserException | IOException e) { 2282 Slog.w(LOG_TAG, "failed writing file", e); 2283 try { 2284 if (stream != null) { 2285 stream.close(); 2286 } 2287 } catch (IOException ex) { 2288 // Ignore 2289 } 2290 journal.rollback(); 2291 } 2292 } 2293 2294 private void sendChangedNotification(int userHandle) { 2295 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2296 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2297 long ident = mInjector.binderClearCallingIdentity(); 2298 try { 2299 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2300 } finally { 2301 mInjector.binderRestoreCallingIdentity(ident); 2302 } 2303 } 2304 2305 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2306 JournaledFile journal = makeJournaledFile(userHandle); 2307 FileInputStream stream = null; 2308 File file = journal.chooseForRead(); 2309 try { 2310 stream = new FileInputStream(file); 2311 XmlPullParser parser = Xml.newPullParser(); 2312 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2313 2314 int type; 2315 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2316 && type != XmlPullParser.START_TAG) { 2317 } 2318 String tag = parser.getName(); 2319 if (!"policies".equals(tag)) { 2320 throw new XmlPullParserException( 2321 "Settings do not start with policies tag: found " + tag); 2322 } 2323 2324 // Extract the permission provider component name if available 2325 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2326 if (permissionProvider != null) { 2327 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2328 } 2329 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2330 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2331 policy.mUserSetupComplete = true; 2332 } 2333 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2334 if (!TextUtils.isEmpty(provisioningState)) { 2335 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2336 } 2337 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2338 if (!TextUtils.isEmpty(permissionPolicy)) { 2339 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2340 } 2341 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2342 ATTR_DELEGATED_CERT_INSTALLER); 2343 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2344 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2345 2346 type = parser.next(); 2347 int outerDepth = parser.getDepth(); 2348 policy.mLockTaskPackages.clear(); 2349 policy.mAdminList.clear(); 2350 policy.mAdminMap.clear(); 2351 policy.mAffiliationIds.clear(); 2352 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2353 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2354 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2355 continue; 2356 } 2357 tag = parser.getName(); 2358 if ("admin".equals(tag)) { 2359 String name = parser.getAttributeValue(null, "name"); 2360 try { 2361 DeviceAdminInfo dai = findAdmin( 2362 ComponentName.unflattenFromString(name), userHandle, 2363 /* throwForMissionPermission= */ false); 2364 if (VERBOSE_LOG 2365 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2366 != userHandle)) { 2367 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2368 + dai.getActivityInfo().applicationInfo.uid + " for user " 2369 + userHandle); 2370 } 2371 if (dai != null) { 2372 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2373 ap.readFromXml(parser); 2374 policy.mAdminMap.put(ap.info.getComponent(), ap); 2375 } 2376 } catch (RuntimeException e) { 2377 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2378 } 2379 } else if ("failed-password-attempts".equals(tag)) { 2380 policy.mFailedPasswordAttempts = Integer.parseInt( 2381 parser.getAttributeValue(null, "value")); 2382 } else if ("password-owner".equals(tag)) { 2383 policy.mPasswordOwner = Integer.parseInt( 2384 parser.getAttributeValue(null, "value")); 2385 } else if ("active-password".equals(tag)) { 2386 policy.mActivePasswordQuality = Integer.parseInt( 2387 parser.getAttributeValue(null, "quality")); 2388 policy.mActivePasswordLength = Integer.parseInt( 2389 parser.getAttributeValue(null, "length")); 2390 policy.mActivePasswordUpperCase = Integer.parseInt( 2391 parser.getAttributeValue(null, "uppercase")); 2392 policy.mActivePasswordLowerCase = Integer.parseInt( 2393 parser.getAttributeValue(null, "lowercase")); 2394 policy.mActivePasswordLetters = Integer.parseInt( 2395 parser.getAttributeValue(null, "letters")); 2396 policy.mActivePasswordNumeric = Integer.parseInt( 2397 parser.getAttributeValue(null, "numeric")); 2398 policy.mActivePasswordSymbols = Integer.parseInt( 2399 parser.getAttributeValue(null, "symbols")); 2400 policy.mActivePasswordNonLetter = Integer.parseInt( 2401 parser.getAttributeValue(null, "nonletter")); 2402 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2403 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2404 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2405 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2406 } else if (TAG_STATUS_BAR.equals(tag)) { 2407 policy.mStatusBarDisabled = Boolean.parseBoolean( 2408 parser.getAttributeValue(null, ATTR_DISABLED)); 2409 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2410 policy.doNotAskCredentialsOnBoot = true; 2411 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2412 policy.mAffiliationIds.add(parser.getAttributeValue(null, "id")); 2413 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2414 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2415 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2416 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2417 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2418 } else { 2419 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2420 XmlUtils.skipCurrentTag(parser); 2421 } 2422 } 2423 } catch (FileNotFoundException e) { 2424 // Don't be noisy, this is normal if we haven't defined any policies. 2425 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2426 | IndexOutOfBoundsException e) { 2427 Slog.w(LOG_TAG, "failed parsing " + file, e); 2428 } 2429 try { 2430 if (stream != null) { 2431 stream.close(); 2432 } 2433 } catch (IOException e) { 2434 // Ignore 2435 } 2436 2437 // Generate a list of admins from the admin map 2438 policy.mAdminList.addAll(policy.mAdminMap.values()); 2439 2440 // Validate that what we stored for the password quality matches 2441 // sufficiently what is currently set. Note that this is only 2442 // a sanity check in case the two get out of sync; this should 2443 // never normally happen. 2444 final long identity = mInjector.binderClearCallingIdentity(); 2445 try { 2446 int actualPasswordQuality = mLockPatternUtils.getActivePasswordQuality(userHandle); 2447 if (actualPasswordQuality < policy.mActivePasswordQuality) { 2448 Slog.w(LOG_TAG, "Active password quality 0x" 2449 + Integer.toHexString(policy.mActivePasswordQuality) 2450 + " does not match actual quality 0x" 2451 + Integer.toHexString(actualPasswordQuality)); 2452 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2453 policy.mActivePasswordLength = 0; 2454 policy.mActivePasswordUpperCase = 0; 2455 policy.mActivePasswordLowerCase = 0; 2456 policy.mActivePasswordLetters = 0; 2457 policy.mActivePasswordNumeric = 0; 2458 policy.mActivePasswordSymbols = 0; 2459 policy.mActivePasswordNonLetter = 0; 2460 } 2461 } finally { 2462 mInjector.binderRestoreCallingIdentity(identity); 2463 } 2464 2465 validatePasswordOwnerLocked(policy); 2466 updateMaximumTimeToLockLocked(userHandle); 2467 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2468 if (policy.mStatusBarDisabled) { 2469 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2470 } 2471 } 2472 2473 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2474 long ident = mInjector.binderClearCallingIdentity(); 2475 try { 2476 mInjector.getIActivityManager() 2477 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2478 } catch (RemoteException e) { 2479 // Not gonna happen. 2480 } finally { 2481 mInjector.binderRestoreCallingIdentity(ident); 2482 } 2483 } 2484 2485 private void updateDeviceOwnerLocked() { 2486 long ident = mInjector.binderClearCallingIdentity(); 2487 try { 2488 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2489 // user id and also protect all other DAs too. 2490 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2491 if (deviceOwnerComponent != null) { 2492 mInjector.getIActivityManager() 2493 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2494 } 2495 } catch (RemoteException e) { 2496 // Not gonna happen. 2497 } finally { 2498 mInjector.binderRestoreCallingIdentity(ident); 2499 } 2500 } 2501 2502 static void validateQualityConstant(int quality) { 2503 switch (quality) { 2504 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2505 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2506 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2507 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2508 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2509 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2510 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2511 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2512 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2513 return; 2514 } 2515 throw new IllegalArgumentException("Invalid quality constant: 0x" 2516 + Integer.toHexString(quality)); 2517 } 2518 2519 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2520 if (policy.mPasswordOwner >= 0) { 2521 boolean haveOwner = false; 2522 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2523 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2524 haveOwner = true; 2525 break; 2526 } 2527 } 2528 if (!haveOwner) { 2529 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2530 + " no longer active; disabling"); 2531 policy.mPasswordOwner = -1; 2532 } 2533 } 2534 } 2535 2536 @VisibleForTesting 2537 void systemReady(int phase) { 2538 if (!mHasFeature) { 2539 return; 2540 } 2541 switch (phase) { 2542 case SystemService.PHASE_LOCK_SETTINGS_READY: 2543 onLockSettingsReady(); 2544 break; 2545 case SystemService.PHASE_BOOT_COMPLETED: 2546 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2547 break; 2548 } 2549 } 2550 2551 private void onLockSettingsReady() { 2552 getUserData(UserHandle.USER_SYSTEM); 2553 loadOwners(); 2554 cleanUpOldUsers(); 2555 2556 onStartUser(UserHandle.USER_SYSTEM); 2557 2558 // Register an observer for watching for user setup complete. 2559 new SetupContentObserver(mHandler).register(); 2560 // Initialize the user setup state, to handle the upgrade case. 2561 updateUserSetupComplete(); 2562 2563 List<String> packageList; 2564 synchronized (this) { 2565 packageList = getKeepUninstalledPackagesLocked(); 2566 } 2567 if (packageList != null) { 2568 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2569 } 2570 2571 synchronized (this) { 2572 // push the force-ephemeral-users policy to the user manager. 2573 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2574 if (deviceOwner != null) { 2575 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2576 } 2577 } 2578 } 2579 2580 private void ensureDeviceOwnerUserStarted() { 2581 final int userId; 2582 synchronized (this) { 2583 if (!mOwners.hasDeviceOwner()) { 2584 return; 2585 } 2586 userId = mOwners.getDeviceOwnerUserId(); 2587 } 2588 if (VERBOSE_LOG) { 2589 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2590 } 2591 if (userId != UserHandle.USER_SYSTEM) { 2592 try { 2593 mInjector.getIActivityManager().startUserInBackground(userId); 2594 2595 // STOPSHIP Prevent the DO user from being killed. 2596 2597 } catch (RemoteException e) { 2598 Slog.w(LOG_TAG, "Exception starting user", e); 2599 } 2600 } 2601 } 2602 2603 private void onStartUser(int userId) { 2604 updateScreenCaptureDisabledInWindowManager(userId, 2605 getScreenCaptureDisabled(null, userId)); 2606 pushUserRestrictions(userId); 2607 } 2608 2609 private void cleanUpOldUsers() { 2610 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2611 // before reboot 2612 Set<Integer> usersWithProfileOwners; 2613 Set<Integer> usersWithData; 2614 synchronized(this) { 2615 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2616 usersWithData = new ArraySet<>(); 2617 for (int i = 0; i < mUserData.size(); i++) { 2618 usersWithData.add(mUserData.keyAt(i)); 2619 } 2620 } 2621 List<UserInfo> allUsers = mUserManager.getUsers(); 2622 2623 Set<Integer> deletedUsers = new ArraySet<>(); 2624 deletedUsers.addAll(usersWithProfileOwners); 2625 deletedUsers.addAll(usersWithData); 2626 for (UserInfo userInfo : allUsers) { 2627 deletedUsers.remove(userInfo.id); 2628 } 2629 for (Integer userId : deletedUsers) { 2630 removeUserData(userId); 2631 } 2632 } 2633 2634 private void handlePasswordExpirationNotification(int userHandle) { 2635 synchronized (this) { 2636 final long now = System.currentTimeMillis(); 2637 2638 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2639 userHandle, /* parent */ false); 2640 final int N = admins.size(); 2641 for (int i = 0; i < N; i++) { 2642 ActiveAdmin admin = admins.get(i); 2643 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2644 && admin.passwordExpirationTimeout > 0L 2645 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2646 && admin.passwordExpirationDate > 0L) { 2647 sendAdminCommandLocked(admin, 2648 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2649 } 2650 } 2651 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2652 } 2653 } 2654 2655 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2656 @Override 2657 protected Void doInBackground(Integer... params) { 2658 int userHandle = params[0]; 2659 2660 if (userHandle == UserHandle.USER_ALL) { 2661 for (UserInfo userInfo : mUserManager.getUsers()) { 2662 manageNotification(userInfo.getUserHandle()); 2663 } 2664 } else { 2665 manageNotification(UserHandle.of(userHandle)); 2666 } 2667 return null; 2668 } 2669 2670 private void manageNotification(UserHandle userHandle) { 2671 if (!mUserManager.isUserRunning(userHandle)) { 2672 return; 2673 } 2674 2675 // Call out to KeyChain to check for CAs which are waiting for approval. 2676 final List<String> pendingCertificates; 2677 try { 2678 pendingCertificates = getInstalledCaCertificates(userHandle); 2679 } catch (RemoteException | RuntimeException e) { 2680 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2681 return; 2682 } 2683 2684 synchronized (DevicePolicyManagerService.this) { 2685 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2686 2687 // Remove deleted certificates. Flush xml if necessary. 2688 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2689 saveSettingsLocked(userHandle.getIdentifier()); 2690 } 2691 // Trim to approved certificates. 2692 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2693 } 2694 2695 if (pendingCertificates.isEmpty()) { 2696 mInjector.getNotificationManager().cancelAsUser( 2697 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2698 return; 2699 } 2700 2701 // Build and show a warning notification 2702 int smallIconId; 2703 String contentText; 2704 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2705 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2706 getProfileOwnerName(userHandle.getIdentifier())); 2707 smallIconId = R.drawable.stat_sys_certificate_info; 2708 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2709 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2710 getDeviceOwnerName()); 2711 smallIconId = R.drawable.stat_sys_certificate_info; 2712 } else { 2713 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2714 smallIconId = android.R.drawable.stat_sys_warning; 2715 } 2716 2717 final int numberOfCertificates = pendingCertificates.size(); 2718 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2719 dialogIntent.setFlags( 2720 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2721 dialogIntent.setPackage("com.android.settings"); 2722 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 2723 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2724 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 2725 2726 final Context userContext; 2727 try { 2728 final String packageName = mContext.getPackageName(); 2729 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 2730 } catch (PackageManager.NameNotFoundException e) { 2731 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2732 return; 2733 } 2734 final Notification noti = new Notification.Builder(userContext) 2735 .setSmallIcon(smallIconId) 2736 .setContentTitle(mContext.getResources().getQuantityText( 2737 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 2738 .setContentText(contentText) 2739 .setContentIntent(notifyIntent) 2740 .setPriority(Notification.PRIORITY_HIGH) 2741 .setShowWhen(false) 2742 .setColor(mContext.getColor( 2743 com.android.internal.R.color.system_notification_accent_color)) 2744 .build(); 2745 2746 mInjector.getNotificationManager().notifyAsUser( 2747 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2748 } 2749 2750 private List<String> getInstalledCaCertificates(UserHandle userHandle) 2751 throws RemoteException, RuntimeException { 2752 KeyChainConnection conn = null; 2753 try { 2754 conn = KeyChain.bindAsUser(mContext, userHandle); 2755 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 2756 List<String> result = new ArrayList<>(aliases.size()); 2757 for (int i = 0; i < aliases.size(); i++) { 2758 result.add(aliases.get(i).string); 2759 } 2760 return result; 2761 } catch (InterruptedException e) { 2762 Thread.currentThread().interrupt(); 2763 return null; 2764 } catch (AssertionError e) { 2765 throw new RuntimeException(e); 2766 } finally { 2767 if (conn != null) { 2768 conn.close(); 2769 } 2770 } 2771 } 2772 } 2773 2774 /** 2775 * @param adminReceiver The admin to add 2776 * @param refreshing true = update an active admin, no error 2777 */ 2778 @Override 2779 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2780 if (!mHasFeature) { 2781 return; 2782 } 2783 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2784 } 2785 2786 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2787 Bundle onEnableData) { 2788 mContext.enforceCallingOrSelfPermission( 2789 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2790 enforceFullCrossUsersPermission(userHandle); 2791 2792 DevicePolicyData policy = getUserData(userHandle); 2793 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2794 /* throwForMissionPermission= */ true); 2795 if (info == null) { 2796 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2797 } 2798 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2799 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 2800 + adminReceiver); 2801 } 2802 synchronized (this) { 2803 long ident = mInjector.binderClearCallingIdentity(); 2804 try { 2805 if (!refreshing 2806 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 2807 throw new IllegalArgumentException("Admin is already added"); 2808 } 2809 if (policy.mRemovingAdmins.contains(adminReceiver)) { 2810 throw new IllegalArgumentException( 2811 "Trying to set an admin which is being removed"); 2812 } 2813 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2814 policy.mAdminMap.put(adminReceiver, newAdmin); 2815 int replaceIndex = -1; 2816 final int N = policy.mAdminList.size(); 2817 for (int i=0; i < N; i++) { 2818 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2819 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2820 replaceIndex = i; 2821 break; 2822 } 2823 } 2824 if (replaceIndex == -1) { 2825 policy.mAdminList.add(newAdmin); 2826 enableIfNecessary(info.getPackageName(), userHandle); 2827 } else { 2828 policy.mAdminList.set(replaceIndex, newAdmin); 2829 } 2830 saveSettingsLocked(userHandle); 2831 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2832 onEnableData, null); 2833 } finally { 2834 mInjector.binderRestoreCallingIdentity(ident); 2835 } 2836 } 2837 } 2838 2839 @Override 2840 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2841 if (!mHasFeature) { 2842 return false; 2843 } 2844 enforceFullCrossUsersPermission(userHandle); 2845 synchronized (this) { 2846 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2847 } 2848 } 2849 2850 @Override 2851 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2852 if (!mHasFeature) { 2853 return false; 2854 } 2855 enforceFullCrossUsersPermission(userHandle); 2856 synchronized (this) { 2857 DevicePolicyData policyData = getUserData(userHandle); 2858 return policyData.mRemovingAdmins.contains(adminReceiver); 2859 } 2860 } 2861 2862 @Override 2863 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2864 if (!mHasFeature) { 2865 return false; 2866 } 2867 enforceFullCrossUsersPermission(userHandle); 2868 synchronized (this) { 2869 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2870 if (administrator == null) { 2871 throw new SecurityException("No active admin " + adminReceiver); 2872 } 2873 return administrator.info.usesPolicy(policyId); 2874 } 2875 } 2876 2877 @Override 2878 @SuppressWarnings("unchecked") 2879 public List<ComponentName> getActiveAdmins(int userHandle) { 2880 if (!mHasFeature) { 2881 return Collections.EMPTY_LIST; 2882 } 2883 2884 enforceFullCrossUsersPermission(userHandle); 2885 synchronized (this) { 2886 DevicePolicyData policy = getUserData(userHandle); 2887 final int N = policy.mAdminList.size(); 2888 if (N <= 0) { 2889 return null; 2890 } 2891 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2892 for (int i=0; i<N; i++) { 2893 res.add(policy.mAdminList.get(i).info.getComponent()); 2894 } 2895 return res; 2896 } 2897 } 2898 2899 @Override 2900 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2901 if (!mHasFeature) { 2902 return false; 2903 } 2904 enforceFullCrossUsersPermission(userHandle); 2905 synchronized (this) { 2906 DevicePolicyData policy = getUserData(userHandle); 2907 final int N = policy.mAdminList.size(); 2908 for (int i=0; i<N; i++) { 2909 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2910 return true; 2911 } 2912 } 2913 return false; 2914 } 2915 } 2916 2917 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 2918 if (!mHasFeature) { 2919 return; 2920 } 2921 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 2922 enforceShell("forceRemoveActiveAdmin"); 2923 long ident = mInjector.binderClearCallingIdentity(); 2924 try { 2925 final ApplicationInfo ai; 2926 try { 2927 ai = mIPackageManager.getApplicationInfo(adminReceiver.getPackageName(), 2928 0, userHandle); 2929 } catch (RemoteException e) { 2930 throw new IllegalStateException(e); 2931 } 2932 if (ai == null) { 2933 throw new IllegalStateException("Couldn't find package to remove admin " 2934 + adminReceiver.getPackageName() + " " + userHandle); 2935 } 2936 if ((ai.flags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 2937 throw new SecurityException("Attempt to remove non-test admin " + adminReceiver 2938 + adminReceiver + " " + userHandle); 2939 } 2940 // If admin is a device or profile owner tidy that up first. 2941 synchronized (this) { 2942 if (isDeviceOwner(adminReceiver, userHandle)) { 2943 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 2944 } 2945 if (isProfileOwner(adminReceiver, userHandle)) { 2946 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 2947 userHandle, /* parent */ false); 2948 clearProfileOwnerLocked(admin, userHandle); 2949 } 2950 } 2951 // Remove the admin skipping sending the broadcast. 2952 removeAdminArtifacts(adminReceiver, userHandle); 2953 } finally { 2954 mInjector.binderRestoreCallingIdentity(ident); 2955 } 2956 } 2957 2958 private void enforceShell(String method) { 2959 final int callingUid = Binder.getCallingUid(); 2960 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 2961 throw new SecurityException("Non-shell user attempted to call " + method); 2962 } 2963 } 2964 2965 @Override 2966 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2967 if (!mHasFeature) { 2968 return; 2969 } 2970 enforceFullCrossUsersPermission(userHandle); 2971 enforceUserUnlocked(userHandle); 2972 synchronized (this) { 2973 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2974 if (admin == null) { 2975 return; 2976 } 2977 // Active device/profile owners must remain active admins. 2978 if (isDeviceOwner(adminReceiver, userHandle) 2979 || isProfileOwner(adminReceiver, userHandle)) { 2980 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 2981 adminReceiver); 2982 return; 2983 } 2984 if (admin.getUid() != mInjector.binderGetCallingUid()) { 2985 mContext.enforceCallingOrSelfPermission( 2986 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2987 } 2988 long ident = mInjector.binderClearCallingIdentity(); 2989 try { 2990 removeActiveAdminLocked(adminReceiver, userHandle); 2991 } finally { 2992 mInjector.binderRestoreCallingIdentity(ident); 2993 } 2994 } 2995 } 2996 2997 @Override 2998 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 2999 ComponentName profileOwner = getProfileOwner(userHandle); 3000 // Profile challenge is supported on N or newer release. 3001 return profileOwner != null && 3002 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3003 } 3004 3005 @Override 3006 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3007 if (!mHasFeature) { 3008 return; 3009 } 3010 Preconditions.checkNotNull(who, "ComponentName is null"); 3011 validateQualityConstant(quality); 3012 3013 synchronized (this) { 3014 ActiveAdmin ap = getActiveAdminForCallerLocked( 3015 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3016 if (ap.passwordQuality != quality) { 3017 ap.passwordQuality = quality; 3018 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3019 } 3020 } 3021 } 3022 3023 @Override 3024 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3025 if (!mHasFeature) { 3026 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3027 } 3028 enforceFullCrossUsersPermission(userHandle); 3029 synchronized (this) { 3030 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3031 3032 if (who != null) { 3033 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3034 return admin != null ? admin.passwordQuality : mode; 3035 } 3036 3037 // Return the strictest policy across all participating admins. 3038 List<ActiveAdmin> admins = 3039 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3040 final int N = admins.size(); 3041 for (int i = 0; i < N; i++) { 3042 ActiveAdmin admin = admins.get(i); 3043 if (mode < admin.passwordQuality) { 3044 mode = admin.passwordQuality; 3045 } 3046 } 3047 return mode; 3048 } 3049 } 3050 3051 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3052 int userHandle, boolean parent) { 3053 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3054 // If this user has a separate challenge, only return its restrictions. 3055 return getUserDataUnchecked(userHandle).mAdminList; 3056 } else { 3057 // Return all admins for this user and the profiles that are visible from this 3058 // user that do not use a separate work challenge. 3059 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3060 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3061 DevicePolicyData policy = getUserData(userInfo.id); 3062 if (!userInfo.isManagedProfile()) { 3063 admins.addAll(policy.mAdminList); 3064 } else { 3065 // For managed profiles, we always include the policies set on the parent 3066 // profile. Additionally, we include the ones set on the managed profile 3067 // if no separate challenge is in place. 3068 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3069 final int N = policy.mAdminList.size(); 3070 for (int i = 0; i < N; i++) { 3071 ActiveAdmin admin = policy.mAdminList.get(i); 3072 if (admin.hasParentActiveAdmin()) { 3073 admins.add(admin.getParentActiveAdmin()); 3074 } 3075 if (!hasSeparateChallenge) { 3076 admins.add(admin); 3077 } 3078 } 3079 } 3080 } 3081 return admins; 3082 } 3083 } 3084 3085 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3086 long ident = mInjector.binderClearCallingIdentity(); 3087 try { 3088 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3089 } finally { 3090 mInjector.binderRestoreCallingIdentity(ident); 3091 } 3092 } 3093 3094 @Override 3095 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3096 if (!mHasFeature) { 3097 return; 3098 } 3099 Preconditions.checkNotNull(who, "ComponentName is null"); 3100 synchronized (this) { 3101 ActiveAdmin ap = getActiveAdminForCallerLocked( 3102 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3103 if (ap.minimumPasswordLength != length) { 3104 ap.minimumPasswordLength = length; 3105 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3106 } 3107 } 3108 } 3109 3110 @Override 3111 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3112 if (!mHasFeature) { 3113 return 0; 3114 } 3115 enforceFullCrossUsersPermission(userHandle); 3116 synchronized (this) { 3117 int length = 0; 3118 3119 if (who != null) { 3120 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3121 return admin != null ? admin.minimumPasswordLength : length; 3122 } 3123 3124 // Return the strictest policy across all participating admins. 3125 List<ActiveAdmin> admins = 3126 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3127 final int N = admins.size(); 3128 for (int i = 0; i < N; i++) { 3129 ActiveAdmin admin = admins.get(i); 3130 if (length < admin.minimumPasswordLength) { 3131 length = admin.minimumPasswordLength; 3132 } 3133 } 3134 return length; 3135 } 3136 } 3137 3138 @Override 3139 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3140 if (!mHasFeature) { 3141 return; 3142 } 3143 Preconditions.checkNotNull(who, "ComponentName is null"); 3144 synchronized (this) { 3145 ActiveAdmin ap = getActiveAdminForCallerLocked( 3146 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3147 if (ap.passwordHistoryLength != length) { 3148 ap.passwordHistoryLength = length; 3149 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3150 } 3151 } 3152 } 3153 3154 @Override 3155 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3156 if (!mHasFeature) { 3157 return 0; 3158 } 3159 enforceFullCrossUsersPermission(userHandle); 3160 synchronized (this) { 3161 int length = 0; 3162 3163 if (who != null) { 3164 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3165 return admin != null ? admin.passwordHistoryLength : length; 3166 } 3167 3168 // Return the strictest policy across all participating admins. 3169 List<ActiveAdmin> admins = 3170 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3171 final int N = admins.size(); 3172 for (int i = 0; i < N; i++) { 3173 ActiveAdmin admin = admins.get(i); 3174 if (length < admin.passwordHistoryLength) { 3175 length = admin.passwordHistoryLength; 3176 } 3177 } 3178 3179 return length; 3180 } 3181 } 3182 3183 @Override 3184 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3185 if (!mHasFeature) { 3186 return; 3187 } 3188 Preconditions.checkNotNull(who, "ComponentName is null"); 3189 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3190 final int userHandle = mInjector.userHandleGetCallingUserId(); 3191 synchronized (this) { 3192 ActiveAdmin ap = getActiveAdminForCallerLocked( 3193 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3194 // Calling this API automatically bumps the expiration date 3195 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3196 ap.passwordExpirationDate = expiration; 3197 ap.passwordExpirationTimeout = timeout; 3198 if (timeout > 0L) { 3199 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3200 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3201 .format(new Date(expiration))); 3202 } 3203 saveSettingsLocked(userHandle); 3204 3205 // in case this is the first one, set the alarm on the appropriate user. 3206 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3207 } 3208 } 3209 3210 /** 3211 * Return a single admin's expiration cycle time, or the min of all cycle times. 3212 * Returns 0 if not configured. 3213 */ 3214 @Override 3215 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3216 if (!mHasFeature) { 3217 return 0L; 3218 } 3219 enforceFullCrossUsersPermission(userHandle); 3220 synchronized (this) { 3221 long timeout = 0L; 3222 3223 if (who != null) { 3224 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3225 return admin != null ? admin.passwordExpirationTimeout : timeout; 3226 } 3227 3228 // Return the strictest policy across all participating admins. 3229 List<ActiveAdmin> admins = 3230 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3231 final int N = admins.size(); 3232 for (int i = 0; i < N; i++) { 3233 ActiveAdmin admin = admins.get(i); 3234 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3235 && timeout > admin.passwordExpirationTimeout)) { 3236 timeout = admin.passwordExpirationTimeout; 3237 } 3238 } 3239 return timeout; 3240 } 3241 } 3242 3243 @Override 3244 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3245 final int userId = UserHandle.getCallingUserId(); 3246 List<String> changedProviders = null; 3247 3248 synchronized (this) { 3249 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3250 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3251 if (activeAdmin.crossProfileWidgetProviders == null) { 3252 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3253 } 3254 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3255 if (!providers.contains(packageName)) { 3256 providers.add(packageName); 3257 changedProviders = new ArrayList<>(providers); 3258 saveSettingsLocked(userId); 3259 } 3260 } 3261 3262 if (changedProviders != null) { 3263 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3264 return true; 3265 } 3266 3267 return false; 3268 } 3269 3270 @Override 3271 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3272 final int userId = UserHandle.getCallingUserId(); 3273 List<String> changedProviders = null; 3274 3275 synchronized (this) { 3276 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3277 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3278 if (activeAdmin.crossProfileWidgetProviders == null) { 3279 return false; 3280 } 3281 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3282 if (providers.remove(packageName)) { 3283 changedProviders = new ArrayList<>(providers); 3284 saveSettingsLocked(userId); 3285 } 3286 } 3287 3288 if (changedProviders != null) { 3289 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3290 return true; 3291 } 3292 3293 return false; 3294 } 3295 3296 @Override 3297 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3298 synchronized (this) { 3299 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3300 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3301 if (activeAdmin.crossProfileWidgetProviders == null 3302 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3303 return null; 3304 } 3305 if (mInjector.binderIsCallingUidMyUid()) { 3306 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3307 } else { 3308 return activeAdmin.crossProfileWidgetProviders; 3309 } 3310 } 3311 } 3312 3313 /** 3314 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3315 * Returns 0 if not configured. 3316 */ 3317 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3318 long timeout = 0L; 3319 3320 if (who != null) { 3321 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3322 return admin != null ? admin.passwordExpirationDate : timeout; 3323 } 3324 3325 // Return the strictest policy across all participating admins. 3326 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3327 final int N = admins.size(); 3328 for (int i = 0; i < N; i++) { 3329 ActiveAdmin admin = admins.get(i); 3330 if (timeout == 0L || (admin.passwordExpirationDate != 0 3331 && timeout > admin.passwordExpirationDate)) { 3332 timeout = admin.passwordExpirationDate; 3333 } 3334 } 3335 return timeout; 3336 } 3337 3338 @Override 3339 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3340 if (!mHasFeature) { 3341 return 0L; 3342 } 3343 enforceFullCrossUsersPermission(userHandle); 3344 synchronized (this) { 3345 return getPasswordExpirationLocked(who, userHandle, parent); 3346 } 3347 } 3348 3349 @Override 3350 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3351 if (!mHasFeature) { 3352 return; 3353 } 3354 Preconditions.checkNotNull(who, "ComponentName is null"); 3355 synchronized (this) { 3356 ActiveAdmin ap = getActiveAdminForCallerLocked( 3357 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3358 if (ap.minimumPasswordUpperCase != length) { 3359 ap.minimumPasswordUpperCase = length; 3360 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3361 } 3362 } 3363 } 3364 3365 @Override 3366 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3367 if (!mHasFeature) { 3368 return 0; 3369 } 3370 enforceFullCrossUsersPermission(userHandle); 3371 synchronized (this) { 3372 int length = 0; 3373 3374 if (who != null) { 3375 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3376 return admin != null ? admin.minimumPasswordUpperCase : length; 3377 } 3378 3379 // Return the strictest policy across all participating admins. 3380 List<ActiveAdmin> admins = 3381 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3382 final int N = admins.size(); 3383 for (int i = 0; i < N; i++) { 3384 ActiveAdmin admin = admins.get(i); 3385 if (length < admin.minimumPasswordUpperCase) { 3386 length = admin.minimumPasswordUpperCase; 3387 } 3388 } 3389 return length; 3390 } 3391 } 3392 3393 @Override 3394 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3395 Preconditions.checkNotNull(who, "ComponentName is null"); 3396 synchronized (this) { 3397 ActiveAdmin ap = getActiveAdminForCallerLocked( 3398 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3399 if (ap.minimumPasswordLowerCase != length) { 3400 ap.minimumPasswordLowerCase = length; 3401 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3402 } 3403 } 3404 } 3405 3406 @Override 3407 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3408 if (!mHasFeature) { 3409 return 0; 3410 } 3411 enforceFullCrossUsersPermission(userHandle); 3412 synchronized (this) { 3413 int length = 0; 3414 3415 if (who != null) { 3416 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3417 return admin != null ? admin.minimumPasswordLowerCase : length; 3418 } 3419 3420 // Return the strictest policy across all participating admins. 3421 List<ActiveAdmin> admins = 3422 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3423 final int N = admins.size(); 3424 for (int i = 0; i < N; i++) { 3425 ActiveAdmin admin = admins.get(i); 3426 if (length < admin.minimumPasswordLowerCase) { 3427 length = admin.minimumPasswordLowerCase; 3428 } 3429 } 3430 return length; 3431 } 3432 } 3433 3434 @Override 3435 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3436 if (!mHasFeature) { 3437 return; 3438 } 3439 Preconditions.checkNotNull(who, "ComponentName is null"); 3440 synchronized (this) { 3441 ActiveAdmin ap = getActiveAdminForCallerLocked( 3442 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3443 if (ap.minimumPasswordLetters != length) { 3444 ap.minimumPasswordLetters = length; 3445 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3446 } 3447 } 3448 } 3449 3450 @Override 3451 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3452 if (!mHasFeature) { 3453 return 0; 3454 } 3455 enforceFullCrossUsersPermission(userHandle); 3456 synchronized (this) { 3457 int length = 0; 3458 3459 if (who != null) { 3460 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3461 return admin != null ? admin.minimumPasswordLetters : length; 3462 } 3463 3464 // Return the strictest policy across all participating admins. 3465 List<ActiveAdmin> admins = 3466 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3467 final int N = admins.size(); 3468 for (int i = 0; i < N; i++) { 3469 ActiveAdmin admin = admins.get(i); 3470 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3471 continue; 3472 } 3473 if (length < admin.minimumPasswordLetters) { 3474 length = admin.minimumPasswordLetters; 3475 } 3476 } 3477 return length; 3478 } 3479 } 3480 3481 @Override 3482 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3483 if (!mHasFeature) { 3484 return; 3485 } 3486 Preconditions.checkNotNull(who, "ComponentName is null"); 3487 synchronized (this) { 3488 ActiveAdmin ap = getActiveAdminForCallerLocked( 3489 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3490 if (ap.minimumPasswordNumeric != length) { 3491 ap.minimumPasswordNumeric = length; 3492 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3493 } 3494 } 3495 } 3496 3497 @Override 3498 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3499 if (!mHasFeature) { 3500 return 0; 3501 } 3502 enforceFullCrossUsersPermission(userHandle); 3503 synchronized (this) { 3504 int length = 0; 3505 3506 if (who != null) { 3507 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3508 return admin != null ? admin.minimumPasswordNumeric : length; 3509 } 3510 3511 // Return the strictest policy across all participating admins. 3512 List<ActiveAdmin> admins = 3513 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3514 final int N = admins.size(); 3515 for (int i = 0; i < N; i++) { 3516 ActiveAdmin admin = admins.get(i); 3517 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3518 continue; 3519 } 3520 if (length < admin.minimumPasswordNumeric) { 3521 length = admin.minimumPasswordNumeric; 3522 } 3523 } 3524 return length; 3525 } 3526 } 3527 3528 @Override 3529 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3530 if (!mHasFeature) { 3531 return; 3532 } 3533 Preconditions.checkNotNull(who, "ComponentName is null"); 3534 synchronized (this) { 3535 ActiveAdmin ap = getActiveAdminForCallerLocked( 3536 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3537 if (ap.minimumPasswordSymbols != length) { 3538 ap.minimumPasswordSymbols = length; 3539 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3540 } 3541 } 3542 } 3543 3544 @Override 3545 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3546 if (!mHasFeature) { 3547 return 0; 3548 } 3549 enforceFullCrossUsersPermission(userHandle); 3550 synchronized (this) { 3551 int length = 0; 3552 3553 if (who != null) { 3554 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3555 return admin != null ? admin.minimumPasswordSymbols : length; 3556 } 3557 3558 // Return the strictest policy across all participating admins. 3559 List<ActiveAdmin> admins = 3560 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3561 final int N = admins.size(); 3562 for (int i = 0; i < N; i++) { 3563 ActiveAdmin admin = admins.get(i); 3564 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3565 continue; 3566 } 3567 if (length < admin.minimumPasswordSymbols) { 3568 length = admin.minimumPasswordSymbols; 3569 } 3570 } 3571 return length; 3572 } 3573 } 3574 3575 @Override 3576 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3577 if (!mHasFeature) { 3578 return; 3579 } 3580 Preconditions.checkNotNull(who, "ComponentName is null"); 3581 synchronized (this) { 3582 ActiveAdmin ap = getActiveAdminForCallerLocked( 3583 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3584 if (ap.minimumPasswordNonLetter != length) { 3585 ap.minimumPasswordNonLetter = length; 3586 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3587 } 3588 } 3589 } 3590 3591 @Override 3592 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3593 if (!mHasFeature) { 3594 return 0; 3595 } 3596 enforceFullCrossUsersPermission(userHandle); 3597 synchronized (this) { 3598 int length = 0; 3599 3600 if (who != null) { 3601 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3602 return admin != null ? admin.minimumPasswordNonLetter : length; 3603 } 3604 3605 // Return the strictest policy across all participating admins. 3606 List<ActiveAdmin> admins = 3607 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3608 final int N = admins.size(); 3609 for (int i = 0; i < N; i++) { 3610 ActiveAdmin admin = admins.get(i); 3611 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3612 continue; 3613 } 3614 if (length < admin.minimumPasswordNonLetter) { 3615 length = admin.minimumPasswordNonLetter; 3616 } 3617 } 3618 return length; 3619 } 3620 } 3621 3622 @Override 3623 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3624 if (!mHasFeature) { 3625 return true; 3626 } 3627 enforceFullCrossUsersPermission(userHandle); 3628 3629 synchronized (this) { 3630 // This API can only be called by an active device admin, 3631 // so try to retrieve it to check that the caller is one. 3632 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3633 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3634 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3635 } 3636 } 3637 3638 @Override 3639 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3640 if (!mHasFeature) { 3641 return true; 3642 } 3643 enforceFullCrossUsersPermission(userHandle); 3644 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3645 3646 synchronized (this) { 3647 int targetUser = getProfileParentId(userHandle); 3648 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3649 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3650 } 3651 } 3652 3653 private boolean isActivePasswordSufficientForUserLocked( 3654 DevicePolicyData policy, int userHandle, boolean parent) { 3655 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle, parent) 3656 || policy.mActivePasswordLength < getPasswordMinimumLength( 3657 null, userHandle, parent)) { 3658 return false; 3659 } 3660 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3661 return true; 3662 } 3663 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase( 3664 null, userHandle, parent) 3665 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase( 3666 null, userHandle, parent) 3667 && policy.mActivePasswordLetters >= getPasswordMinimumLetters( 3668 null, userHandle, parent) 3669 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric( 3670 null, userHandle, parent) 3671 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols( 3672 null, userHandle, parent) 3673 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter( 3674 null, userHandle, parent); 3675 } 3676 3677 @Override 3678 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3679 enforceFullCrossUsersPermission(userHandle); 3680 synchronized (this) { 3681 if (!isCallerWithSystemUid()) { 3682 // This API can only be called by an active device admin, 3683 // so try to retrieve it to check that the caller is one. 3684 getActiveAdminForCallerLocked( 3685 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3686 } 3687 3688 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3689 3690 return policy.mFailedPasswordAttempts; 3691 } 3692 } 3693 3694 @Override 3695 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3696 if (!mHasFeature) { 3697 return; 3698 } 3699 Preconditions.checkNotNull(who, "ComponentName is null"); 3700 synchronized (this) { 3701 // This API can only be called by an active device admin, 3702 // so try to retrieve it to check that the caller is one. 3703 getActiveAdminForCallerLocked( 3704 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3705 ActiveAdmin ap = getActiveAdminForCallerLocked( 3706 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3707 if (ap.maximumFailedPasswordsForWipe != num) { 3708 ap.maximumFailedPasswordsForWipe = num; 3709 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3710 } 3711 } 3712 } 3713 3714 @Override 3715 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3716 if (!mHasFeature) { 3717 return 0; 3718 } 3719 enforceFullCrossUsersPermission(userHandle); 3720 synchronized (this) { 3721 ActiveAdmin admin = (who != null) 3722 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3723 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3724 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3725 } 3726 } 3727 3728 @Override 3729 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3730 if (!mHasFeature) { 3731 return UserHandle.USER_NULL; 3732 } 3733 enforceFullCrossUsersPermission(userHandle); 3734 synchronized (this) { 3735 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3736 userHandle, parent); 3737 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3738 } 3739 } 3740 3741 /** 3742 * Returns the admin with the strictest policy on maximum failed passwords for: 3743 * <ul> 3744 * <li>this user if it has a separate profile challenge, or 3745 * <li>this user and all profiles that don't have their own challenge otherwise. 3746 * </ul> 3747 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3748 * the primary profile. 3749 * Returns {@code null} if no participating admin has that policy set. 3750 */ 3751 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3752 int userHandle, boolean parent) { 3753 int count = 0; 3754 ActiveAdmin strictestAdmin = null; 3755 3756 // Return the strictest policy across all participating admins. 3757 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3758 final int N = admins.size(); 3759 for (int i = 0; i < N; i++) { 3760 ActiveAdmin admin = admins.get(i); 3761 if (admin.maximumFailedPasswordsForWipe == 3762 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3763 continue; // No max number of failed passwords policy set for this profile. 3764 } 3765 3766 // We always favor the primary profile if several profiles have the same value set. 3767 int userId = admin.getUserHandle().getIdentifier(); 3768 if (count == 0 || 3769 count > admin.maximumFailedPasswordsForWipe || 3770 (count == admin.maximumFailedPasswordsForWipe && 3771 getUserInfo(userId).isPrimary())) { 3772 count = admin.maximumFailedPasswordsForWipe; 3773 strictestAdmin = admin; 3774 } 3775 } 3776 return strictestAdmin; 3777 } 3778 3779 private UserInfo getUserInfo(@UserIdInt int userId) { 3780 final long token = mInjector.binderClearCallingIdentity(); 3781 try { 3782 return mUserManager.getUserInfo(userId); 3783 } finally { 3784 mInjector.binderRestoreCallingIdentity(token); 3785 } 3786 } 3787 3788 @Override 3789 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3790 if (!mHasFeature) { 3791 return false; 3792 } 3793 final int callingUid = mInjector.binderGetCallingUid(); 3794 final int userHandle = mInjector.userHandleGetCallingUserId(); 3795 3796 String password = passwordOrNull != null ? passwordOrNull : ""; 3797 3798 // Password resetting to empty/null is not allowed for managed profiles. 3799 if (TextUtils.isEmpty(password)) { 3800 enforceNotManagedProfile(userHandle, "clear the active password"); 3801 } 3802 3803 int quality; 3804 synchronized (this) { 3805 // If caller has PO (or DO) it can change the password, so see if that's the case first. 3806 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 3807 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 3808 if (admin == null) { 3809 // Otherwise, make sure the caller has any active admin with the right policy. 3810 admin = getActiveAdminForCallerLocked(null, 3811 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 3812 3813 final boolean preN = getTargetSdk(admin.info.getPackageName(), userHandle) 3814 <= android.os.Build.VERSION_CODES.M; 3815 3816 // As of N, password resetting to empty/null is not allowed anymore. 3817 // TODO Should we allow DO/PO to set an empty password? 3818 if (TextUtils.isEmpty(password)) { 3819 if (!preN) { 3820 throw new SecurityException("Cannot call with null password"); 3821 } else { 3822 Slog.e(LOG_TAG, "Cannot call with null password"); 3823 return false; 3824 } 3825 } 3826 // As of N, password cannot be changed by the admin if it is already set. 3827 if (isLockScreenSecureUnchecked(userHandle)) { 3828 if (!preN) { 3829 throw new SecurityException("Admin cannot change current password"); 3830 } else { 3831 Slog.e(LOG_TAG, "Admin cannot change current password"); 3832 return false; 3833 } 3834 } 3835 } 3836 quality = getPasswordQuality(null, userHandle, /* parent */ false); 3837 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 3838 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3839 } 3840 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 3841 int realQuality = LockPatternUtils.computePasswordQuality(password); 3842 if (realQuality < quality 3843 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3844 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 3845 + Integer.toHexString(realQuality) 3846 + " does not meet required quality 0x" 3847 + Integer.toHexString(quality)); 3848 return false; 3849 } 3850 quality = Math.max(realQuality, quality); 3851 } 3852 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 3853 if (password.length() < length) { 3854 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 3855 + " does not meet required length " + length); 3856 return false; 3857 } 3858 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3859 int letters = 0; 3860 int uppercase = 0; 3861 int lowercase = 0; 3862 int numbers = 0; 3863 int symbols = 0; 3864 int nonletter = 0; 3865 for (int i = 0; i < password.length(); i++) { 3866 char c = password.charAt(i); 3867 if (c >= 'A' && c <= 'Z') { 3868 letters++; 3869 uppercase++; 3870 } else if (c >= 'a' && c <= 'z') { 3871 letters++; 3872 lowercase++; 3873 } else if (c >= '0' && c <= '9') { 3874 numbers++; 3875 nonletter++; 3876 } else { 3877 symbols++; 3878 nonletter++; 3879 } 3880 } 3881 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 3882 if(letters < neededLetters) { 3883 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 3884 + " does not meet required number of letters " + neededLetters); 3885 return false; 3886 } 3887 int neededNumbers = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 3888 if (numbers < neededNumbers) { 3889 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 3890 + " does not meet required number of numerical digits " 3891 + neededNumbers); 3892 return false; 3893 } 3894 int neededLowerCase = getPasswordMinimumLowerCase( 3895 null, userHandle, /* parent */ false); 3896 if (lowercase < neededLowerCase) { 3897 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 3898 + " does not meet required number of lowercase letters " 3899 + neededLowerCase); 3900 return false; 3901 } 3902 int neededUpperCase = getPasswordMinimumUpperCase( 3903 null, userHandle, /* parent */ false); 3904 if (uppercase < neededUpperCase) { 3905 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 3906 + " does not meet required number of uppercase letters " 3907 + neededUpperCase); 3908 return false; 3909 } 3910 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 3911 if (symbols < neededSymbols) { 3912 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 3913 + " does not meet required number of special symbols " + neededSymbols); 3914 return false; 3915 } 3916 int neededNonLetter = getPasswordMinimumNonLetter( 3917 null, userHandle, /* parent */ false); 3918 if (nonletter < neededNonLetter) { 3919 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 3920 + " does not meet required number of non-letter characters " 3921 + neededNonLetter); 3922 return false; 3923 } 3924 } 3925 } 3926 3927 DevicePolicyData policy = getUserData(userHandle); 3928 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 3929 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 3930 return false; 3931 } 3932 3933 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 3934 boolean doNotAskCredentialsOnBoot = 3935 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 3936 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 3937 setDoNotAskCredentialsOnBoot(); 3938 } 3939 3940 // Don't do this with the lock held, because it is going to call 3941 // back in to the service. 3942 final long ident = mInjector.binderClearCallingIdentity(); 3943 try { 3944 if (!TextUtils.isEmpty(password)) { 3945 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 3946 } else { 3947 mLockPatternUtils.clearLock(userHandle); 3948 } 3949 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 3950 if (requireEntry) { 3951 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 3952 UserHandle.USER_ALL); 3953 } 3954 synchronized (this) { 3955 int newOwner = requireEntry ? callingUid : -1; 3956 if (policy.mPasswordOwner != newOwner) { 3957 policy.mPasswordOwner = newOwner; 3958 saveSettingsLocked(userHandle); 3959 } 3960 } 3961 } finally { 3962 mInjector.binderRestoreCallingIdentity(ident); 3963 } 3964 3965 return true; 3966 } 3967 3968 private boolean isLockScreenSecureUnchecked(int userId) { 3969 long ident = mInjector.binderClearCallingIdentity(); 3970 try { 3971 return mLockPatternUtils.isSecure(userId); 3972 } finally { 3973 mInjector.binderRestoreCallingIdentity(ident); 3974 } 3975 } 3976 3977 private void setDoNotAskCredentialsOnBoot() { 3978 synchronized (this) { 3979 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 3980 if (!policyData.doNotAskCredentialsOnBoot) { 3981 policyData.doNotAskCredentialsOnBoot = true; 3982 saveSettingsLocked(UserHandle.USER_SYSTEM); 3983 } 3984 } 3985 } 3986 3987 @Override 3988 public boolean getDoNotAskCredentialsOnBoot() { 3989 mContext.enforceCallingOrSelfPermission( 3990 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 3991 synchronized (this) { 3992 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 3993 return policyData.doNotAskCredentialsOnBoot; 3994 } 3995 } 3996 3997 @Override 3998 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 3999 if (!mHasFeature) { 4000 return; 4001 } 4002 Preconditions.checkNotNull(who, "ComponentName is null"); 4003 final int userHandle = mInjector.userHandleGetCallingUserId(); 4004 synchronized (this) { 4005 ActiveAdmin ap = getActiveAdminForCallerLocked( 4006 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4007 if (ap.maximumTimeToUnlock != timeMs) { 4008 ap.maximumTimeToUnlock = timeMs; 4009 saveSettingsLocked(userHandle); 4010 updateMaximumTimeToLockLocked(userHandle); 4011 } 4012 } 4013 } 4014 4015 void updateMaximumTimeToLockLocked(int userHandle) { 4016 // Calculate the min timeout for all profiles - including the ones with a separate 4017 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4018 // challenge only and keep the screen on. However there is no easy way of doing that at the 4019 // moment so we set the screen off timeout regardless of whether it affects the parent user 4020 // or the profile challenge only. 4021 long timeMs = Long.MAX_VALUE; 4022 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4023 for (int profileId : profileIds) { 4024 DevicePolicyData policy = getUserDataUnchecked(profileId); 4025 final int N = policy.mAdminList.size(); 4026 for (int i = 0; i < N; i++) { 4027 ActiveAdmin admin = policy.mAdminList.get(i); 4028 if (admin.maximumTimeToUnlock > 0 4029 && timeMs > admin.maximumTimeToUnlock) { 4030 timeMs = admin.maximumTimeToUnlock; 4031 } 4032 // If userInfo.id is a managed profile, we also need to look at 4033 // the policies set on the parent. 4034 if (admin.hasParentActiveAdmin()) { 4035 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4036 if (parentAdmin.maximumTimeToUnlock > 0 4037 && timeMs > parentAdmin.maximumTimeToUnlock) { 4038 timeMs = parentAdmin.maximumTimeToUnlock; 4039 } 4040 } 4041 } 4042 } 4043 4044 // We only store the last maximum time to lock on the parent profile. So if calling from a 4045 // managed profile, retrieve the policy for the parent. 4046 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4047 if (policy.mLastMaximumTimeToLock == timeMs) { 4048 return; 4049 } 4050 policy.mLastMaximumTimeToLock = timeMs; 4051 4052 final long ident = mInjector.binderClearCallingIdentity(); 4053 try { 4054 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4055 // Make sure KEEP_SCREEN_ON is disabled, since that 4056 // would allow bypassing of the maximum time to lock. 4057 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4058 } 4059 4060 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4061 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4062 } finally { 4063 mInjector.binderRestoreCallingIdentity(ident); 4064 } 4065 } 4066 4067 @Override 4068 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4069 if (!mHasFeature) { 4070 return 0; 4071 } 4072 enforceFullCrossUsersPermission(userHandle); 4073 synchronized (this) { 4074 if (who != null) { 4075 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4076 return admin != null ? admin.maximumTimeToUnlock : 0; 4077 } 4078 // Return the strictest policy across all participating admins. 4079 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4080 userHandle, parent); 4081 return getMaximumTimeToLockPolicyFromAdmins(admins); 4082 } 4083 } 4084 4085 @Override 4086 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4087 if (!mHasFeature) { 4088 return 0; 4089 } 4090 enforceFullCrossUsersPermission(userHandle); 4091 synchronized (this) { 4092 // All admins for this user. 4093 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4094 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4095 DevicePolicyData policy = getUserData(userInfo.id); 4096 admins.addAll(policy.mAdminList); 4097 // If it is a managed profile, it may have parent active admins 4098 if (userInfo.isManagedProfile()) { 4099 for (ActiveAdmin admin : policy.mAdminList) { 4100 if (admin.hasParentActiveAdmin()) { 4101 admins.add(admin.getParentActiveAdmin()); 4102 } 4103 } 4104 } 4105 } 4106 return getMaximumTimeToLockPolicyFromAdmins(admins); 4107 } 4108 } 4109 4110 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4111 long time = 0; 4112 final int N = admins.size(); 4113 for (int i = 0; i < N; i++) { 4114 ActiveAdmin admin = admins.get(i); 4115 if (time == 0) { 4116 time = admin.maximumTimeToUnlock; 4117 } else if (admin.maximumTimeToUnlock != 0 4118 && time > admin.maximumTimeToUnlock) { 4119 time = admin.maximumTimeToUnlock; 4120 } 4121 } 4122 return time; 4123 } 4124 4125 @Override 4126 public void lockNow(boolean parent) { 4127 if (!mHasFeature) { 4128 return; 4129 } 4130 synchronized (this) { 4131 // This API can only be called by an active device admin, 4132 // so try to retrieve it to check that the caller is one. 4133 getActiveAdminForCallerLocked( 4134 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4135 4136 int userToLock = mInjector.userHandleGetCallingUserId(); 4137 4138 // Unless this is a managed profile with work challenge enabled, lock all users. 4139 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 4140 userToLock = UserHandle.USER_ALL; 4141 } 4142 final long ident = mInjector.binderClearCallingIdentity(); 4143 try { 4144 mLockPatternUtils.requireStrongAuth( 4145 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4146 if (userToLock == UserHandle.USER_ALL) { 4147 // Power off the display 4148 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4149 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4150 mInjector.getIWindowManager().lockNow(null); 4151 } 4152 } catch (RemoteException e) { 4153 } finally { 4154 mInjector.binderRestoreCallingIdentity(ident); 4155 } 4156 } 4157 } 4158 4159 @Override 4160 public void enforceCanManageCaCerts(ComponentName who) { 4161 if (who == null) { 4162 if (!isCallerDelegatedCertInstaller()) { 4163 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4164 } 4165 } else { 4166 synchronized (this) { 4167 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4168 } 4169 } 4170 } 4171 4172 private void enforceCanManageInstalledKeys(ComponentName who) { 4173 if (who == null) { 4174 if (!isCallerDelegatedCertInstaller()) { 4175 throw new SecurityException("who == null, but caller is not cert installer"); 4176 } 4177 } else { 4178 synchronized (this) { 4179 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4180 } 4181 } 4182 } 4183 4184 private boolean isCallerDelegatedCertInstaller() { 4185 final int callingUid = mInjector.binderGetCallingUid(); 4186 final int userHandle = UserHandle.getUserId(callingUid); 4187 synchronized (this) { 4188 final DevicePolicyData policy = getUserData(userHandle); 4189 if (policy.mDelegatedCertInstallerPackage == null) { 4190 return false; 4191 } 4192 4193 try { 4194 int uid = mContext.getPackageManager().getPackageUidAsUser( 4195 policy.mDelegatedCertInstallerPackage, userHandle); 4196 return uid == callingUid; 4197 } catch (NameNotFoundException e) { 4198 return false; 4199 } 4200 } 4201 } 4202 4203 @Override 4204 public boolean approveCaCert(String alias, int userId, boolean approval) { 4205 enforceManageUsers(); 4206 synchronized (this) { 4207 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4208 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4209 if (!changed) { 4210 return false; 4211 } 4212 saveSettingsLocked(userId); 4213 } 4214 new MonitoringCertNotificationTask().execute(userId); 4215 return true; 4216 } 4217 4218 @Override 4219 public boolean isCaCertApproved(String alias, int userId) { 4220 enforceManageUsers(); 4221 synchronized (this) { 4222 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4223 } 4224 } 4225 4226 private void removeCaApprovalsIfNeeded(int userId) { 4227 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4228 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4229 if (userInfo.isManagedProfile()){ 4230 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4231 } 4232 if (!isSecure) { 4233 synchronized (this) { 4234 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4235 saveSettingsLocked(userInfo.id); 4236 } 4237 4238 new MonitoringCertNotificationTask().execute(userInfo.id); 4239 } 4240 } 4241 } 4242 4243 @Override 4244 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4245 enforceCanManageCaCerts(admin); 4246 4247 byte[] pemCert; 4248 try { 4249 X509Certificate cert = parseCert(certBuffer); 4250 pemCert = Credentials.convertToPem(cert); 4251 } catch (CertificateException ce) { 4252 Log.e(LOG_TAG, "Problem converting cert", ce); 4253 return false; 4254 } catch (IOException ioe) { 4255 Log.e(LOG_TAG, "Problem reading cert", ioe); 4256 return false; 4257 } 4258 4259 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4260 final long id = mInjector.binderClearCallingIdentity(); 4261 try { 4262 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4263 try { 4264 keyChainConnection.getService().installCaCertificate(pemCert); 4265 return true; 4266 } catch (RemoteException e) { 4267 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4268 } finally { 4269 keyChainConnection.close(); 4270 } 4271 } catch (InterruptedException e1) { 4272 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4273 Thread.currentThread().interrupt(); 4274 } finally { 4275 mInjector.binderRestoreCallingIdentity(id); 4276 } 4277 return false; 4278 } 4279 4280 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4281 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4282 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4283 certBuffer)); 4284 } 4285 4286 @Override 4287 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4288 enforceCanManageCaCerts(admin); 4289 4290 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4291 final long id = mInjector.binderClearCallingIdentity(); 4292 try { 4293 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4294 try { 4295 for (int i = 0 ; i < aliases.length; i++) { 4296 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4297 } 4298 } catch (RemoteException e) { 4299 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4300 } finally { 4301 keyChainConnection.close(); 4302 } 4303 } catch (InterruptedException ie) { 4304 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4305 Thread.currentThread().interrupt(); 4306 } finally { 4307 mInjector.binderRestoreCallingIdentity(id); 4308 } 4309 } 4310 4311 @Override 4312 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, 4313 String alias, boolean requestAccess) { 4314 enforceCanManageInstalledKeys(who); 4315 4316 final int callingUid = mInjector.binderGetCallingUid(); 4317 final long id = mInjector.binderClearCallingIdentity(); 4318 try { 4319 final KeyChainConnection keyChainConnection = 4320 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4321 try { 4322 IKeyChainService keyChain = keyChainConnection.getService(); 4323 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4324 return false; 4325 } 4326 if (requestAccess) { 4327 keyChain.setGrant(callingUid, alias, true); 4328 } 4329 return true; 4330 } catch (RemoteException e) { 4331 Log.e(LOG_TAG, "Installing certificate", e); 4332 } finally { 4333 keyChainConnection.close(); 4334 } 4335 } catch (InterruptedException e) { 4336 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4337 Thread.currentThread().interrupt(); 4338 } finally { 4339 mInjector.binderRestoreCallingIdentity(id); 4340 } 4341 return false; 4342 } 4343 4344 @Override 4345 public boolean removeKeyPair(ComponentName who, String alias) { 4346 enforceCanManageInstalledKeys(who); 4347 4348 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4349 final long id = Binder.clearCallingIdentity(); 4350 try { 4351 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4352 try { 4353 IKeyChainService keyChain = keyChainConnection.getService(); 4354 return keyChain.removeKeyPair(alias); 4355 } catch (RemoteException e) { 4356 Log.e(LOG_TAG, "Removing keypair", e); 4357 } finally { 4358 keyChainConnection.close(); 4359 } 4360 } catch (InterruptedException e) { 4361 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4362 Thread.currentThread().interrupt(); 4363 } finally { 4364 Binder.restoreCallingIdentity(id); 4365 } 4366 return false; 4367 } 4368 4369 @Override 4370 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4371 final IBinder response) { 4372 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4373 if (!isCallerWithSystemUid()) { 4374 return; 4375 } 4376 4377 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4378 // If there is a profile owner, redirect to that; otherwise query the device owner. 4379 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4380 if (aliasChooser == null && caller.isSystem()) { 4381 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4382 if (deviceOwnerAdmin != null) { 4383 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4384 } 4385 } 4386 if (aliasChooser == null) { 4387 sendPrivateKeyAliasResponse(null, response); 4388 return; 4389 } 4390 4391 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4392 intent.setComponent(aliasChooser); 4393 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4394 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4395 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4396 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4397 4398 final long id = mInjector.binderClearCallingIdentity(); 4399 try { 4400 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4401 @Override 4402 public void onReceive(Context context, Intent intent) { 4403 final String chosenAlias = getResultData(); 4404 sendPrivateKeyAliasResponse(chosenAlias, response); 4405 } 4406 }, null, Activity.RESULT_OK, null, null); 4407 } finally { 4408 mInjector.binderRestoreCallingIdentity(id); 4409 } 4410 } 4411 4412 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4413 final IKeyChainAliasCallback keyChainAliasResponse = 4414 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4415 new AsyncTask<Void, Void, Void>() { 4416 @Override 4417 protected Void doInBackground(Void... unused) { 4418 try { 4419 keyChainAliasResponse.alias(alias); 4420 } catch (Exception e) { 4421 // Catch everything (not just RemoteException): caller could throw a 4422 // RuntimeException back across processes. 4423 Log.e(LOG_TAG, "error while responding to callback", e); 4424 } 4425 return null; 4426 } 4427 }.execute(); 4428 } 4429 4430 @Override 4431 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4432 throws SecurityException { 4433 int userHandle = UserHandle.getCallingUserId(); 4434 synchronized (this) { 4435 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4436 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4437 if (installerPackage != null && 4438 !isPackageInstalledForUser(installerPackage, userHandle)) { 4439 throw new IllegalArgumentException("Package " + installerPackage 4440 + " is not installed on the current user"); 4441 } 4442 } 4443 DevicePolicyData policy = getUserData(userHandle); 4444 policy.mDelegatedCertInstallerPackage = installerPackage; 4445 saveSettingsLocked(userHandle); 4446 } 4447 } 4448 4449 @Override 4450 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4451 int userHandle = UserHandle.getCallingUserId(); 4452 synchronized (this) { 4453 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4454 DevicePolicyData policy = getUserData(userHandle); 4455 return policy.mDelegatedCertInstallerPackage; 4456 } 4457 } 4458 4459 /** 4460 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 4461 * not installed and therefore not available. 4462 * 4463 * @throws SecurityException if the caller is not a profile or device owner. 4464 * @throws UnsupportedException if the package does not support being set as always-on. 4465 */ 4466 @Override 4467 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 4468 throws SecurityException { 4469 synchronized (this) { 4470 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4471 } 4472 4473 final int userId = mInjector.userHandleGetCallingUserId(); 4474 final long token = mInjector.binderClearCallingIdentity(); 4475 try { 4476 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 4477 return false; 4478 } 4479 ConnectivityManager connectivityManager = (ConnectivityManager) 4480 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4481 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 4482 throw new UnsupportedOperationException(); 4483 } 4484 } finally { 4485 mInjector.binderRestoreCallingIdentity(token); 4486 } 4487 return true; 4488 } 4489 4490 @Override 4491 public String getAlwaysOnVpnPackage(ComponentName admin) 4492 throws SecurityException { 4493 synchronized (this) { 4494 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4495 } 4496 4497 final int userId = mInjector.userHandleGetCallingUserId(); 4498 final long token = mInjector.binderClearCallingIdentity(); 4499 try{ 4500 ConnectivityManager connectivityManager = (ConnectivityManager) 4501 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4502 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4503 } finally { 4504 mInjector.binderRestoreCallingIdentity(token); 4505 } 4506 } 4507 4508 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 4509 if (wipeExtRequested) { 4510 StorageManager sm = (StorageManager) mContext.getSystemService( 4511 Context.STORAGE_SERVICE); 4512 sm.wipeAdoptableDisks(); 4513 } 4514 try { 4515 RecoverySystem.rebootWipeUserData(mContext, reason); 4516 } catch (IOException | SecurityException e) { 4517 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4518 } 4519 } 4520 4521 @Override 4522 public void wipeData(int flags) { 4523 if (!mHasFeature) { 4524 return; 4525 } 4526 final int userHandle = mInjector.userHandleGetCallingUserId(); 4527 enforceFullCrossUsersPermission(userHandle); 4528 synchronized (this) { 4529 // This API can only be called by an active device admin, 4530 // so try to retrieve it to check that the caller is one. 4531 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4532 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4533 4534 final String source = admin.info.getComponent().flattenToShortString(); 4535 4536 long ident = mInjector.binderClearCallingIdentity(); 4537 try { 4538 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4539 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4540 throw new SecurityException( 4541 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4542 } 4543 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4544 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4545 if (manager != null) { 4546 manager.wipe(); 4547 } 4548 } 4549 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4550 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4551 "DevicePolicyManager.wipeData() from " + source); 4552 } finally { 4553 mInjector.binderRestoreCallingIdentity(ident); 4554 } 4555 } 4556 } 4557 4558 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 4559 if (userHandle == UserHandle.USER_SYSTEM) { 4560 wipeDataLocked(wipeExtRequested, reason); 4561 } else { 4562 mHandler.post(new Runnable() { 4563 @Override 4564 public void run() { 4565 try { 4566 IActivityManager am = mInjector.getIActivityManager(); 4567 if (am.getCurrentUser().id == userHandle) { 4568 am.switchUser(UserHandle.USER_SYSTEM); 4569 } 4570 4571 boolean isManagedProfile = isManagedProfile(userHandle); 4572 if (!mUserManager.removeUser(userHandle)) { 4573 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4574 } else if (isManagedProfile) { 4575 sendWipeProfileNotification(); 4576 } 4577 } catch (RemoteException re) { 4578 // Shouldn't happen 4579 } 4580 } 4581 }); 4582 } 4583 } 4584 4585 private void sendWipeProfileNotification() { 4586 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4587 Notification notification = new Notification.Builder(mContext) 4588 .setSmallIcon(android.R.drawable.stat_sys_warning) 4589 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4590 .setContentText(contentText) 4591 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4592 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4593 .build(); 4594 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4595 } 4596 4597 private void clearWipeProfileNotification() { 4598 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4599 } 4600 4601 @Override 4602 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4603 if (!mHasFeature) { 4604 return; 4605 } 4606 enforceFullCrossUsersPermission(userHandle); 4607 mContext.enforceCallingOrSelfPermission( 4608 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4609 4610 synchronized (this) { 4611 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4612 if (admin == null) { 4613 result.sendResult(null); 4614 return; 4615 } 4616 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4617 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4618 intent.setComponent(admin.info.getComponent()); 4619 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4620 null, new BroadcastReceiver() { 4621 @Override 4622 public void onReceive(Context context, Intent intent) { 4623 result.sendResult(getResultExtras(false)); 4624 } 4625 }, null, Activity.RESULT_OK, null, null); 4626 } 4627 } 4628 4629 @Override 4630 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4631 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4632 if (!mHasFeature) { 4633 return; 4634 } 4635 enforceFullCrossUsersPermission(userHandle); 4636 4637 // Managed Profile password can only be changed when it has a separate challenge. 4638 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4639 enforceNotManagedProfile(userHandle, "set the active password"); 4640 } 4641 4642 mContext.enforceCallingOrSelfPermission( 4643 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4644 validateQualityConstant(quality); 4645 4646 DevicePolicyData policy = getUserData(userHandle); 4647 4648 long ident = mInjector.binderClearCallingIdentity(); 4649 try { 4650 synchronized (this) { 4651 policy.mActivePasswordQuality = quality; 4652 policy.mActivePasswordLength = length; 4653 policy.mActivePasswordLetters = letters; 4654 policy.mActivePasswordLowerCase = lowercase; 4655 policy.mActivePasswordUpperCase = uppercase; 4656 policy.mActivePasswordNumeric = numbers; 4657 policy.mActivePasswordSymbols = symbols; 4658 policy.mActivePasswordNonLetter = nonletter; 4659 policy.mFailedPasswordAttempts = 0; 4660 saveSettingsLocked(userHandle); 4661 updatePasswordExpirationsLocked(userHandle); 4662 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 4663 4664 // Send a broadcast to each profile using this password as its primary unlock. 4665 sendAdminCommandForLockscreenPoliciesLocked( 4666 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4667 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4668 } 4669 removeCaApprovalsIfNeeded(userHandle); 4670 } finally { 4671 mInjector.binderRestoreCallingIdentity(ident); 4672 } 4673 } 4674 4675 /** 4676 * Called any time the device password is updated. Resets all password expiration clocks. 4677 */ 4678 private void updatePasswordExpirationsLocked(int userHandle) { 4679 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4680 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4681 userHandle, /* parent */ false); 4682 final int N = admins.size(); 4683 for (int i = 0; i < N; i++) { 4684 ActiveAdmin admin = admins.get(i); 4685 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4686 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4687 long timeout = admin.passwordExpirationTimeout; 4688 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4689 admin.passwordExpirationDate = expiration; 4690 } 4691 } 4692 for (int affectedUserId : affectedUserIds) { 4693 saveSettingsLocked(affectedUserId); 4694 } 4695 } 4696 4697 @Override 4698 public void reportFailedPasswordAttempt(int userHandle) { 4699 enforceFullCrossUsersPermission(userHandle); 4700 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4701 enforceNotManagedProfile(userHandle, 4702 "report failed password attempt if separate profile challenge is not in place"); 4703 } 4704 mContext.enforceCallingOrSelfPermission( 4705 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4706 4707 final long ident = mInjector.binderClearCallingIdentity(); 4708 try { 4709 boolean wipeData = false; 4710 int identifier = 0; 4711 synchronized (this) { 4712 DevicePolicyData policy = getUserData(userHandle); 4713 policy.mFailedPasswordAttempts++; 4714 saveSettingsLocked(userHandle); 4715 if (mHasFeature) { 4716 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4717 userHandle, /* parent */ false); 4718 int max = strictestAdmin != null 4719 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4720 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4721 // Wipe the user/profile associated with the policy that was violated. This 4722 // is not necessarily calling user: if the policy that fired was from a 4723 // managed profile rather than the main user profile, we wipe former only. 4724 wipeData = true; 4725 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4726 } 4727 4728 sendAdminCommandForLockscreenPoliciesLocked( 4729 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4730 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4731 } 4732 } 4733 if (wipeData) { 4734 // Call without holding lock. 4735 wipeDeviceOrUserLocked(false, identifier, 4736 "reportFailedPasswordAttempt()"); 4737 } 4738 } finally { 4739 mInjector.binderRestoreCallingIdentity(ident); 4740 } 4741 4742 if (mInjector.securityLogIsLoggingEnabled()) { 4743 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4744 /*method strength*/ 1); 4745 } 4746 } 4747 4748 @Override 4749 public void reportSuccessfulPasswordAttempt(int userHandle) { 4750 enforceFullCrossUsersPermission(userHandle); 4751 mContext.enforceCallingOrSelfPermission( 4752 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4753 4754 synchronized (this) { 4755 DevicePolicyData policy = getUserData(userHandle); 4756 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4757 long ident = mInjector.binderClearCallingIdentity(); 4758 try { 4759 policy.mFailedPasswordAttempts = 0; 4760 policy.mPasswordOwner = -1; 4761 saveSettingsLocked(userHandle); 4762 if (mHasFeature) { 4763 sendAdminCommandForLockscreenPoliciesLocked( 4764 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4765 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4766 } 4767 } finally { 4768 mInjector.binderRestoreCallingIdentity(ident); 4769 } 4770 } 4771 } 4772 4773 if (mInjector.securityLogIsLoggingEnabled()) { 4774 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4775 /*method strength*/ 1); 4776 } 4777 } 4778 4779 @Override 4780 public void reportFailedFingerprintAttempt(int userHandle) { 4781 enforceFullCrossUsersPermission(userHandle); 4782 mContext.enforceCallingOrSelfPermission( 4783 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4784 if (mInjector.securityLogIsLoggingEnabled()) { 4785 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4786 /*method strength*/ 0); 4787 } 4788 } 4789 4790 @Override 4791 public void reportSuccessfulFingerprintAttempt(int userHandle) { 4792 enforceFullCrossUsersPermission(userHandle); 4793 mContext.enforceCallingOrSelfPermission( 4794 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4795 if (mInjector.securityLogIsLoggingEnabled()) { 4796 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4797 /*method strength*/ 0); 4798 } 4799 } 4800 4801 @Override 4802 public void reportKeyguardDismissed(int userHandle) { 4803 enforceFullCrossUsersPermission(userHandle); 4804 mContext.enforceCallingOrSelfPermission( 4805 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4806 4807 if (mInjector.securityLogIsLoggingEnabled()) { 4808 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 4809 } 4810 } 4811 4812 @Override 4813 public void reportKeyguardSecured(int userHandle) { 4814 enforceFullCrossUsersPermission(userHandle); 4815 mContext.enforceCallingOrSelfPermission( 4816 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4817 4818 if (mInjector.securityLogIsLoggingEnabled()) { 4819 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 4820 } 4821 } 4822 4823 @Override 4824 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 4825 String exclusionList) { 4826 if (!mHasFeature) { 4827 return null; 4828 } 4829 synchronized(this) { 4830 Preconditions.checkNotNull(who, "ComponentName is null"); 4831 4832 // Only check if system user has set global proxy. We don't allow other users to set it. 4833 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4834 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4835 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 4836 4837 // Scan through active admins and find if anyone has already 4838 // set the global proxy. 4839 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 4840 for (ComponentName component : compSet) { 4841 ActiveAdmin ap = policy.mAdminMap.get(component); 4842 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 4843 // Another admin already sets the global proxy 4844 // Return it to the caller. 4845 return component; 4846 } 4847 } 4848 4849 // If the user is not system, don't set the global proxy. Fail silently. 4850 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 4851 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 4852 + UserHandle.getCallingUserId() + " is not permitted."); 4853 return null; 4854 } 4855 if (proxySpec == null) { 4856 admin.specifiesGlobalProxy = false; 4857 admin.globalProxySpec = null; 4858 admin.globalProxyExclusionList = null; 4859 } else { 4860 4861 admin.specifiesGlobalProxy = true; 4862 admin.globalProxySpec = proxySpec; 4863 admin.globalProxyExclusionList = exclusionList; 4864 } 4865 4866 // Reset the global proxy accordingly 4867 // Do this using system permissions, as apps cannot write to secure settings 4868 long origId = mInjector.binderClearCallingIdentity(); 4869 try { 4870 resetGlobalProxyLocked(policy); 4871 } finally { 4872 mInjector.binderRestoreCallingIdentity(origId); 4873 } 4874 return null; 4875 } 4876 } 4877 4878 @Override 4879 public ComponentName getGlobalProxyAdmin(int userHandle) { 4880 if (!mHasFeature) { 4881 return null; 4882 } 4883 enforceFullCrossUsersPermission(userHandle); 4884 synchronized(this) { 4885 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4886 // Scan through active admins and find if anyone has already 4887 // set the global proxy. 4888 final int N = policy.mAdminList.size(); 4889 for (int i = 0; i < N; i++) { 4890 ActiveAdmin ap = policy.mAdminList.get(i); 4891 if (ap.specifiesGlobalProxy) { 4892 // Device admin sets the global proxy 4893 // Return it to the caller. 4894 return ap.info.getComponent(); 4895 } 4896 } 4897 } 4898 // No device admin sets the global proxy. 4899 return null; 4900 } 4901 4902 @Override 4903 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 4904 synchronized (this) { 4905 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4906 } 4907 long token = mInjector.binderClearCallingIdentity(); 4908 try { 4909 ConnectivityManager connectivityManager = (ConnectivityManager) 4910 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4911 connectivityManager.setGlobalProxy(proxyInfo); 4912 } finally { 4913 mInjector.binderRestoreCallingIdentity(token); 4914 } 4915 } 4916 4917 private void resetGlobalProxyLocked(DevicePolicyData policy) { 4918 final int N = policy.mAdminList.size(); 4919 for (int i = 0; i < N; i++) { 4920 ActiveAdmin ap = policy.mAdminList.get(i); 4921 if (ap.specifiesGlobalProxy) { 4922 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 4923 return; 4924 } 4925 } 4926 // No device admins defining global proxies - reset global proxy settings to none 4927 saveGlobalProxyLocked(null, null); 4928 } 4929 4930 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 4931 if (exclusionList == null) { 4932 exclusionList = ""; 4933 } 4934 if (proxySpec == null) { 4935 proxySpec = ""; 4936 } 4937 // Remove white spaces 4938 proxySpec = proxySpec.trim(); 4939 String data[] = proxySpec.split(":"); 4940 int proxyPort = 8080; 4941 if (data.length > 1) { 4942 try { 4943 proxyPort = Integer.parseInt(data[1]); 4944 } catch (NumberFormatException e) {} 4945 } 4946 exclusionList = exclusionList.trim(); 4947 4948 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 4949 if (!proxyProperties.isValid()) { 4950 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 4951 return; 4952 } 4953 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 4954 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 4955 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 4956 exclusionList); 4957 } 4958 4959 /** 4960 * Set the storage encryption request for a single admin. Returns the new total request 4961 * status (for all admins). 4962 */ 4963 @Override 4964 public int setStorageEncryption(ComponentName who, boolean encrypt) { 4965 if (!mHasFeature) { 4966 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4967 } 4968 Preconditions.checkNotNull(who, "ComponentName is null"); 4969 final int userHandle = UserHandle.getCallingUserId(); 4970 synchronized (this) { 4971 // Check for permissions 4972 // Only system user can set storage encryption 4973 if (userHandle != UserHandle.USER_SYSTEM) { 4974 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 4975 + UserHandle.getCallingUserId() + " is not permitted."); 4976 return 0; 4977 } 4978 4979 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4980 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 4981 4982 // Quick exit: If the filesystem does not support encryption, we can exit early. 4983 if (!isEncryptionSupported()) { 4984 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4985 } 4986 4987 // (1) Record the value for the admin so it's sticky 4988 if (ap.encryptionRequested != encrypt) { 4989 ap.encryptionRequested = encrypt; 4990 saveSettingsLocked(userHandle); 4991 } 4992 4993 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4994 // (2) Compute "max" for all admins 4995 boolean newRequested = false; 4996 final int N = policy.mAdminList.size(); 4997 for (int i = 0; i < N; i++) { 4998 newRequested |= policy.mAdminList.get(i).encryptionRequested; 4999 } 5000 5001 // Notify OS of new request 5002 setEncryptionRequested(newRequested); 5003 5004 // Return the new global request status 5005 return newRequested 5006 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5007 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5008 } 5009 } 5010 5011 /** 5012 * Get the current storage encryption request status for a given admin, or aggregate of all 5013 * active admins. 5014 */ 5015 @Override 5016 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5017 if (!mHasFeature) { 5018 return false; 5019 } 5020 enforceFullCrossUsersPermission(userHandle); 5021 synchronized (this) { 5022 // Check for permissions if a particular caller is specified 5023 if (who != null) { 5024 // When checking for a single caller, status is based on caller's request 5025 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5026 return ap != null ? ap.encryptionRequested : false; 5027 } 5028 5029 // If no particular caller is specified, return the aggregate set of requests. 5030 // This is short circuited by returning true on the first hit. 5031 DevicePolicyData policy = getUserData(userHandle); 5032 final int N = policy.mAdminList.size(); 5033 for (int i = 0; i < N; i++) { 5034 if (policy.mAdminList.get(i).encryptionRequested) { 5035 return true; 5036 } 5037 } 5038 return false; 5039 } 5040 } 5041 5042 /** 5043 * Get the current encryption status of the device. 5044 */ 5045 @Override 5046 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5047 if (!mHasFeature) { 5048 // Ok to return current status. 5049 } 5050 enforceFullCrossUsersPermission(userHandle); 5051 5052 // It's not critical here, but let's make sure the package name is correct, in case 5053 // we start using it for different purposes. 5054 ensureCallerPackage(callerPackage); 5055 5056 final ApplicationInfo ai; 5057 try { 5058 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5059 } catch (RemoteException e) { 5060 throw new SecurityException(e); 5061 } 5062 5063 boolean legacyApp = false; 5064 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5065 legacyApp = true; 5066 } else if ("com.google.android.apps.enterprise.dmagent".equals(ai.packageName) 5067 && ai.versionCode == 697) { 5068 // TODO: STOPSHIP remove this (revert ag/895987) once a new prebuilt is dropped 5069 legacyApp = true; 5070 } 5071 5072 final int rawStatus = getEncryptionStatus(); 5073 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5074 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5075 } 5076 return rawStatus; 5077 } 5078 5079 /** 5080 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5081 */ 5082 private boolean isEncryptionSupported() { 5083 // Note, this can be implemented as 5084 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5085 // But is provided as a separate internal method if there's a faster way to do a 5086 // simple check for supported-or-not. 5087 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5088 } 5089 5090 /** 5091 * Hook to low-levels: Reporting the current status of encryption. 5092 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5093 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5094 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5095 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5096 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5097 */ 5098 private int getEncryptionStatus() { 5099 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5100 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5101 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5102 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5103 } else if (mInjector.storageManagerIsEncrypted()) { 5104 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5105 } else if (mInjector.storageManagerIsEncryptable()) { 5106 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5107 } else { 5108 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5109 } 5110 } 5111 5112 /** 5113 * Hook to low-levels: If needed, record the new admin setting for encryption. 5114 */ 5115 private void setEncryptionRequested(boolean encrypt) { 5116 } 5117 5118 /** 5119 * Set whether the screen capture is disabled for the user managed by the specified admin. 5120 */ 5121 @Override 5122 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5123 if (!mHasFeature) { 5124 return; 5125 } 5126 Preconditions.checkNotNull(who, "ComponentName is null"); 5127 final int userHandle = UserHandle.getCallingUserId(); 5128 synchronized (this) { 5129 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5130 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5131 if (ap.disableScreenCapture != disabled) { 5132 ap.disableScreenCapture = disabled; 5133 saveSettingsLocked(userHandle); 5134 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5135 } 5136 } 5137 } 5138 5139 /** 5140 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5141 * active admin (if given admin is null). 5142 */ 5143 @Override 5144 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5145 if (!mHasFeature) { 5146 return false; 5147 } 5148 synchronized (this) { 5149 if (who != null) { 5150 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5151 return (admin != null) ? admin.disableScreenCapture : false; 5152 } 5153 5154 DevicePolicyData policy = getUserData(userHandle); 5155 final int N = policy.mAdminList.size(); 5156 for (int i = 0; i < N; i++) { 5157 ActiveAdmin admin = policy.mAdminList.get(i); 5158 if (admin.disableScreenCapture) { 5159 return true; 5160 } 5161 } 5162 return false; 5163 } 5164 } 5165 5166 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5167 final boolean disabled) { 5168 mHandler.post(new Runnable() { 5169 @Override 5170 public void run() { 5171 try { 5172 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5173 } catch (RemoteException e) { 5174 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5175 } 5176 } 5177 }); 5178 } 5179 5180 /** 5181 * Set whether auto time is required by the specified admin (must be device owner). 5182 */ 5183 @Override 5184 public void setAutoTimeRequired(ComponentName who, boolean required) { 5185 if (!mHasFeature) { 5186 return; 5187 } 5188 Preconditions.checkNotNull(who, "ComponentName is null"); 5189 final int userHandle = UserHandle.getCallingUserId(); 5190 synchronized (this) { 5191 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5192 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5193 if (admin.requireAutoTime != required) { 5194 admin.requireAutoTime = required; 5195 saveSettingsLocked(userHandle); 5196 } 5197 } 5198 5199 // Turn AUTO_TIME on in settings if it is required 5200 if (required) { 5201 long ident = mInjector.binderClearCallingIdentity(); 5202 try { 5203 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5204 } finally { 5205 mInjector.binderRestoreCallingIdentity(ident); 5206 } 5207 } 5208 } 5209 5210 /** 5211 * Returns whether or not auto time is required by the device owner. 5212 */ 5213 @Override 5214 public boolean getAutoTimeRequired() { 5215 if (!mHasFeature) { 5216 return false; 5217 } 5218 synchronized (this) { 5219 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5220 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5221 } 5222 } 5223 5224 @Override 5225 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5226 if (!mHasFeature) { 5227 return; 5228 } 5229 Preconditions.checkNotNull(who, "ComponentName is null"); 5230 // Allow setting this policy to true only if there is a split system user. 5231 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5232 throw new UnsupportedOperationException( 5233 "Cannot force ephemeral users on systems without split system user."); 5234 } 5235 boolean removeAllUsers = false; 5236 synchronized (this) { 5237 final ActiveAdmin deviceOwner = 5238 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5239 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5240 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5241 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5242 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5243 removeAllUsers = forceEphemeralUsers; 5244 } 5245 } 5246 if (removeAllUsers) { 5247 long identitity = mInjector.binderClearCallingIdentity(); 5248 try { 5249 mUserManagerInternal.removeAllUsers(); 5250 } finally { 5251 mInjector.binderRestoreCallingIdentity(identitity); 5252 } 5253 } 5254 } 5255 5256 @Override 5257 public boolean getForceEphemeralUsers(ComponentName who) { 5258 if (!mHasFeature) { 5259 return false; 5260 } 5261 Preconditions.checkNotNull(who, "ComponentName is null"); 5262 synchronized (this) { 5263 final ActiveAdmin deviceOwner = 5264 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5265 return deviceOwner.forceEphemeralUsers; 5266 } 5267 } 5268 5269 private boolean isDeviceOwnerManagedSingleUserDevice() { 5270 synchronized (this) { 5271 if (!mOwners.hasDeviceOwner()) { 5272 return false; 5273 } 5274 } 5275 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5276 try { 5277 if (mInjector.userManagerIsSplitSystemUser()) { 5278 // In split system user mode, only allow the case where the device owner is managing 5279 // the only non-system user of the device 5280 return (mUserManager.getUserCount() == 2 5281 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5282 } else { 5283 return mUserManager.getUserCount() == 1; 5284 } 5285 } finally { 5286 mInjector.binderRestoreCallingIdentity(callingIdentity); 5287 } 5288 } 5289 5290 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5291 synchronized (this) { 5292 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5293 } 5294 if (!isDeviceOwnerManagedSingleUserDevice()) { 5295 throw new SecurityException( 5296 "There should only be one user, managed by Device Owner"); 5297 } 5298 } 5299 5300 @Override 5301 public boolean requestBugreport(ComponentName who) { 5302 if (!mHasFeature) { 5303 return false; 5304 } 5305 Preconditions.checkNotNull(who, "ComponentName is null"); 5306 ensureDeviceOwnerManagingSingleUser(who); 5307 5308 if (mRemoteBugreportServiceIsActive.get() 5309 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5310 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5311 return false; 5312 } 5313 5314 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5315 try { 5316 ActivityManagerNative.getDefault().requestBugReport( 5317 ActivityManager.BUGREPORT_OPTION_REMOTE); 5318 5319 mRemoteBugreportServiceIsActive.set(true); 5320 mRemoteBugreportSharingAccepted.set(false); 5321 registerRemoteBugreportReceivers(); 5322 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5323 RemoteBugreportUtils.buildNotification(mContext, 5324 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5325 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5326 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5327 return true; 5328 } catch (RemoteException re) { 5329 // should never happen 5330 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5331 return false; 5332 } finally { 5333 mInjector.binderRestoreCallingIdentity(callingIdentity); 5334 } 5335 } 5336 5337 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5338 Intent intent = new Intent(action); 5339 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5340 if (extras != null) { 5341 intent.putExtras(extras); 5342 } 5343 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5344 } 5345 5346 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5347 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5348 } 5349 5350 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5351 String bugreportHash) { 5352 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5353 } 5354 5355 private void registerRemoteBugreportReceivers() { 5356 try { 5357 IntentFilter filterFinished = new IntentFilter( 5358 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5359 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5360 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5361 } catch (IntentFilter.MalformedMimeTypeException e) { 5362 // should never happen, as setting a constant 5363 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5364 } 5365 IntentFilter filterConsent = new IntentFilter(); 5366 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5367 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5368 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5369 } 5370 5371 private void onBugreportFinished(Intent intent) { 5372 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5373 mRemoteBugreportServiceIsActive.set(false); 5374 Uri bugreportUri = intent.getData(); 5375 String bugreportUriString = null; 5376 if (bugreportUri != null) { 5377 bugreportUriString = bugreportUri.toString(); 5378 } 5379 String bugreportHash = intent.getStringExtra( 5380 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5381 if (mRemoteBugreportSharingAccepted.get()) { 5382 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5383 mInjector.getNotificationManager().cancel(LOG_TAG, 5384 RemoteBugreportUtils.NOTIFICATION_ID); 5385 } else { 5386 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5387 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5388 RemoteBugreportUtils.buildNotification(mContext, 5389 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5390 UserHandle.ALL); 5391 } 5392 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5393 } 5394 5395 private void onBugreportFailed() { 5396 mRemoteBugreportServiceIsActive.set(false); 5397 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5398 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5399 mRemoteBugreportSharingAccepted.set(false); 5400 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5401 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5402 Bundle extras = new Bundle(); 5403 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5404 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5405 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5406 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5407 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5408 } 5409 5410 private void onBugreportSharingAccepted() { 5411 mRemoteBugreportSharingAccepted.set(true); 5412 String bugreportUriString = null; 5413 String bugreportHash = null; 5414 synchronized (this) { 5415 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5416 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5417 } 5418 if (bugreportUriString != null) { 5419 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5420 } else if (mRemoteBugreportServiceIsActive.get()) { 5421 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5422 RemoteBugreportUtils.buildNotification(mContext, 5423 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5424 UserHandle.ALL); 5425 } 5426 } 5427 5428 private void onBugreportSharingDeclined() { 5429 if (mRemoteBugreportServiceIsActive.get()) { 5430 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5431 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5432 mRemoteBugreportServiceIsActive.set(false); 5433 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5434 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5435 } 5436 mRemoteBugreportSharingAccepted.set(false); 5437 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5438 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5439 } 5440 5441 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5442 String bugreportHash) { 5443 ParcelFileDescriptor pfd = null; 5444 try { 5445 if (bugreportUriString == null) { 5446 throw new FileNotFoundException(); 5447 } 5448 Uri bugreportUri = Uri.parse(bugreportUriString); 5449 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5450 5451 synchronized (this) { 5452 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5453 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5454 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5455 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5456 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5457 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5458 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5459 } 5460 } catch (FileNotFoundException e) { 5461 Bundle extras = new Bundle(); 5462 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5463 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5464 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5465 } finally { 5466 try { 5467 if (pfd != null) { 5468 pfd.close(); 5469 } 5470 } catch (IOException ex) { 5471 // Ignore 5472 } 5473 mRemoteBugreportSharingAccepted.set(false); 5474 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5475 } 5476 } 5477 5478 /** 5479 * Disables all device cameras according to the specified admin. 5480 */ 5481 @Override 5482 public void setCameraDisabled(ComponentName who, boolean disabled) { 5483 if (!mHasFeature) { 5484 return; 5485 } 5486 Preconditions.checkNotNull(who, "ComponentName is null"); 5487 final int userHandle = mInjector.userHandleGetCallingUserId(); 5488 synchronized (this) { 5489 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5490 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5491 if (ap.disableCamera != disabled) { 5492 ap.disableCamera = disabled; 5493 saveSettingsLocked(userHandle); 5494 } 5495 } 5496 // Tell the user manager that the restrictions have changed. 5497 pushUserRestrictions(userHandle); 5498 } 5499 5500 /** 5501 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5502 * active admins. 5503 */ 5504 @Override 5505 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5506 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5507 } 5508 5509 private boolean getCameraDisabled(ComponentName who, int userHandle, 5510 boolean mergeDeviceOwnerRestriction) { 5511 if (!mHasFeature) { 5512 return false; 5513 } 5514 synchronized (this) { 5515 if (who != null) { 5516 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5517 return (admin != null) ? admin.disableCamera : false; 5518 } 5519 // First, see if DO has set it. If so, it's device-wide. 5520 if (mergeDeviceOwnerRestriction) { 5521 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5522 if (deviceOwner != null && deviceOwner.disableCamera) { 5523 return true; 5524 } 5525 } 5526 5527 // Then check each device admin on the user. 5528 DevicePolicyData policy = getUserData(userHandle); 5529 // Determine whether or not the device camera is disabled for any active admins. 5530 final int N = policy.mAdminList.size(); 5531 for (int i = 0; i < N; i++) { 5532 ActiveAdmin admin = policy.mAdminList.get(i); 5533 if (admin.disableCamera) { 5534 return true; 5535 } 5536 } 5537 return false; 5538 } 5539 } 5540 5541 @Override 5542 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5543 if (!mHasFeature) { 5544 return; 5545 } 5546 Preconditions.checkNotNull(who, "ComponentName is null"); 5547 final int userHandle = mInjector.userHandleGetCallingUserId(); 5548 if (isManagedProfile(userHandle)) { 5549 if (parent) { 5550 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5551 } else { 5552 which = which & PROFILE_KEYGUARD_FEATURES; 5553 } 5554 } 5555 synchronized (this) { 5556 ActiveAdmin ap = getActiveAdminForCallerLocked( 5557 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5558 if (ap.disabledKeyguardFeatures != which) { 5559 ap.disabledKeyguardFeatures = which; 5560 saveSettingsLocked(userHandle); 5561 } 5562 } 5563 } 5564 5565 /** 5566 * Gets the disabled state for features in keyguard for the given admin, 5567 * or the aggregate of all active admins if who is null. 5568 */ 5569 @Override 5570 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5571 if (!mHasFeature) { 5572 return 0; 5573 } 5574 enforceFullCrossUsersPermission(userHandle); 5575 final long ident = mInjector.binderClearCallingIdentity(); 5576 try { 5577 synchronized (this) { 5578 if (who != null) { 5579 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5580 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5581 } 5582 5583 final List<ActiveAdmin> admins; 5584 if (!parent && isManagedProfile(userHandle)) { 5585 // If we are being asked about a managed profile, just return keyguard features 5586 // disabled by admins in the profile. 5587 admins = getUserDataUnchecked(userHandle).mAdminList; 5588 } else { 5589 // Otherwise return those set by admins in the user and its profiles. 5590 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5591 } 5592 5593 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5594 final int N = admins.size(); 5595 for (int i = 0; i < N; i++) { 5596 ActiveAdmin admin = admins.get(i); 5597 int userId = admin.getUserHandle().getIdentifier(); 5598 boolean isRequestedUser = !parent && (userId == userHandle); 5599 if (isRequestedUser || !isManagedProfile(userId)) { 5600 // If we are being asked explicitly about this user 5601 // return all disabled features even if its a managed profile. 5602 which |= admin.disabledKeyguardFeatures; 5603 } else { 5604 // Otherwise a managed profile is only allowed to disable 5605 // some features on the parent user. 5606 which |= (admin.disabledKeyguardFeatures 5607 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5608 } 5609 } 5610 return which; 5611 } 5612 } finally { 5613 mInjector.binderRestoreCallingIdentity(ident); 5614 } 5615 } 5616 5617 @Override 5618 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5619 if (!mHasFeature) { 5620 return; 5621 } 5622 Preconditions.checkNotNull(who, "ComponentName is null"); 5623 Preconditions.checkNotNull(packageList, "packageList is null"); 5624 final int userHandle = UserHandle.getCallingUserId(); 5625 synchronized (this) { 5626 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5627 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5628 admin.keepUninstalledPackages = packageList; 5629 saveSettingsLocked(userHandle); 5630 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5631 } 5632 } 5633 5634 @Override 5635 public List<String> getKeepUninstalledPackages(ComponentName who) { 5636 Preconditions.checkNotNull(who, "ComponentName is null"); 5637 if (!mHasFeature) { 5638 return null; 5639 } 5640 // TODO In split system user mode, allow apps on user 0 to query the list 5641 synchronized (this) { 5642 // Check if this is the device owner who is calling 5643 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5644 return getKeepUninstalledPackagesLocked(); 5645 } 5646 } 5647 5648 private List<String> getKeepUninstalledPackagesLocked() { 5649 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5650 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5651 } 5652 5653 @Override 5654 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5655 if (!mHasFeature) { 5656 return false; 5657 } 5658 if (admin == null 5659 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5660 throw new IllegalArgumentException("Invalid component " + admin 5661 + " for device owner"); 5662 } 5663 synchronized (this) { 5664 enforceCanSetDeviceOwnerLocked(userId); 5665 if (getActiveAdminUncheckedLocked(admin, userId) == null) { 5666 throw new IllegalArgumentException("Not active admin: " + admin); 5667 } 5668 5669 // Shutting down backup manager service permanently. 5670 long ident = mInjector.binderClearCallingIdentity(); 5671 try { 5672 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5673 } catch (RemoteException e) { 5674 throw new IllegalStateException("Failed deactivating backup service.", e); 5675 } finally { 5676 mInjector.binderRestoreCallingIdentity(ident); 5677 } 5678 5679 mOwners.setDeviceOwner(admin, ownerName, userId); 5680 mOwners.writeDeviceOwner(); 5681 updateDeviceOwnerLocked(); 5682 setDeviceOwnerSystemPropertyLocked(); 5683 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5684 5685 ident = mInjector.binderClearCallingIdentity(); 5686 try { 5687 // TODO Send to system too? 5688 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5689 } finally { 5690 mInjector.binderRestoreCallingIdentity(ident); 5691 } 5692 return true; 5693 } 5694 } 5695 5696 public boolean isDeviceOwner(ComponentName who, int userId) { 5697 synchronized (this) { 5698 return mOwners.hasDeviceOwner() 5699 && mOwners.getDeviceOwnerUserId() == userId 5700 && mOwners.getDeviceOwnerComponent().equals(who); 5701 } 5702 } 5703 5704 public boolean isProfileOwner(ComponentName who, int userId) { 5705 final ComponentName profileOwner = getProfileOwner(userId); 5706 return who != null && who.equals(profileOwner); 5707 } 5708 5709 @Override 5710 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5711 if (!mHasFeature) { 5712 return null; 5713 } 5714 if (!callingUserOnly) { 5715 enforceManageUsers(); 5716 } 5717 synchronized (this) { 5718 if (!mOwners.hasDeviceOwner()) { 5719 return null; 5720 } 5721 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5722 mOwners.getDeviceOwnerUserId()) { 5723 return null; 5724 } 5725 return mOwners.getDeviceOwnerComponent(); 5726 } 5727 } 5728 5729 @Override 5730 public int getDeviceOwnerUserId() { 5731 if (!mHasFeature) { 5732 return UserHandle.USER_NULL; 5733 } 5734 enforceManageUsers(); 5735 synchronized (this) { 5736 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5737 } 5738 } 5739 5740 /** 5741 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5742 * MANAGE_USERS. 5743 */ 5744 @Override 5745 public String getDeviceOwnerName() { 5746 if (!mHasFeature) { 5747 return null; 5748 } 5749 enforceManageUsers(); 5750 synchronized (this) { 5751 if (!mOwners.hasDeviceOwner()) { 5752 return null; 5753 } 5754 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5755 // Should setDeviceOwner/ProfileOwner still take a name? 5756 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5757 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5758 } 5759 } 5760 5761 // Returns the active device owner or null if there is no device owner. 5762 @VisibleForTesting 5763 ActiveAdmin getDeviceOwnerAdminLocked() { 5764 ComponentName component = mOwners.getDeviceOwnerComponent(); 5765 if (component == null) { 5766 return null; 5767 } 5768 5769 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5770 final int n = policy.mAdminList.size(); 5771 for (int i = 0; i < n; i++) { 5772 ActiveAdmin admin = policy.mAdminList.get(i); 5773 if (component.equals(admin.info.getComponent())) { 5774 return admin; 5775 } 5776 } 5777 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5778 return null; 5779 } 5780 5781 @Override 5782 public void clearDeviceOwner(String packageName) { 5783 Preconditions.checkNotNull(packageName, "packageName is null"); 5784 final int callingUid = mInjector.binderGetCallingUid(); 5785 try { 5786 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 5787 UserHandle.getUserId(callingUid)); 5788 if (uid != callingUid) { 5789 throw new SecurityException("Invalid packageName"); 5790 } 5791 } catch (NameNotFoundException e) { 5792 throw new SecurityException(e); 5793 } 5794 synchronized (this) { 5795 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 5796 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 5797 if (!mOwners.hasDeviceOwner() 5798 || !deviceOwnerComponent.getPackageName().equals(packageName) 5799 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 5800 throw new SecurityException( 5801 "clearDeviceOwner can only be called by the device owner"); 5802 } 5803 enforceUserUnlocked(deviceOwnerUserId); 5804 5805 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 5806 long ident = mInjector.binderClearCallingIdentity(); 5807 try { 5808 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 5809 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 5810 } finally { 5811 mInjector.binderRestoreCallingIdentity(ident); 5812 } 5813 } 5814 } 5815 5816 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 5817 if (admin != null) { 5818 admin.disableCamera = false; 5819 admin.userRestrictions = null; 5820 admin.forceEphemeralUsers = false; 5821 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 5822 } 5823 clearUserPoliciesLocked(userId); 5824 5825 mOwners.clearDeviceOwner(); 5826 mOwners.writeDeviceOwner(); 5827 updateDeviceOwnerLocked(); 5828 disableSecurityLoggingIfNotCompliant(); 5829 try { 5830 // Reactivate backup service. 5831 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 5832 } catch (RemoteException e) { 5833 throw new IllegalStateException("Failed reactivating backup service.", e); 5834 } 5835 } 5836 5837 @Override 5838 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 5839 if (!mHasFeature) { 5840 return false; 5841 } 5842 if (who == null 5843 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 5844 throw new IllegalArgumentException("Component " + who 5845 + " not installed for userId:" + userHandle); 5846 } 5847 synchronized (this) { 5848 enforceCanSetProfileOwnerLocked(userHandle); 5849 5850 if (getActiveAdminUncheckedLocked(who, userHandle) == null) { 5851 throw new IllegalArgumentException("Not active admin: " + who); 5852 } 5853 5854 mOwners.setProfileOwner(who, ownerName, userHandle); 5855 mOwners.writeProfileOwner(userHandle); 5856 return true; 5857 } 5858 } 5859 5860 @Override 5861 public void clearProfileOwner(ComponentName who) { 5862 if (!mHasFeature) { 5863 return; 5864 } 5865 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 5866 final int userId = callingUser.getIdentifier(); 5867 enforceNotManagedProfile(userId, "clear profile owner"); 5868 enforceUserUnlocked(userId); 5869 // Check if this is the profile owner who is calling 5870 final ActiveAdmin admin = 5871 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5872 synchronized (this) { 5873 final long ident = mInjector.binderClearCallingIdentity(); 5874 try { 5875 clearProfileOwnerLocked(admin, userId); 5876 removeActiveAdminLocked(who, userId); 5877 } finally { 5878 mInjector.binderRestoreCallingIdentity(ident); 5879 } 5880 } 5881 } 5882 5883 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 5884 if (admin != null) { 5885 admin.disableCamera = false; 5886 admin.userRestrictions = null; 5887 } 5888 clearUserPoliciesLocked(userId); 5889 mOwners.removeProfileOwner(userId); 5890 mOwners.writeProfileOwner(userId); 5891 } 5892 5893 @Override 5894 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 5895 Preconditions.checkNotNull(who, "ComponentName is null"); 5896 if (!mHasFeature) { 5897 return; 5898 } 5899 5900 synchronized (this) { 5901 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5902 long token = mInjector.binderClearCallingIdentity(); 5903 try { 5904 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 5905 } finally { 5906 mInjector.binderRestoreCallingIdentity(token); 5907 } 5908 } 5909 } 5910 5911 @Override 5912 public CharSequence getDeviceOwnerLockScreenInfo() { 5913 return mLockPatternUtils.getDeviceOwnerInfo(); 5914 } 5915 5916 private void clearUserPoliciesLocked(int userId) { 5917 // Reset some of the user-specific policies 5918 DevicePolicyData policy = getUserData(userId); 5919 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 5920 policy.mDelegatedCertInstallerPackage = null; 5921 policy.mApplicationRestrictionsManagingPackage = null; 5922 policy.mStatusBarDisabled = false; 5923 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 5924 saveSettingsLocked(userId); 5925 5926 try { 5927 mIPackageManager.updatePermissionFlagsForAllApps( 5928 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 5929 0 /* flagValues */, userId); 5930 pushUserRestrictions(userId); 5931 } catch (RemoteException re) { 5932 // Shouldn't happen. 5933 } 5934 } 5935 5936 @Override 5937 public boolean hasUserSetupCompleted() { 5938 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 5939 } 5940 5941 private boolean hasUserSetupCompleted(int userHandle) { 5942 if (!mHasFeature) { 5943 return true; 5944 } 5945 return getUserData(userHandle).mUserSetupComplete; 5946 } 5947 5948 @Override 5949 public int getUserProvisioningState() { 5950 if (!mHasFeature) { 5951 return DevicePolicyManager.STATE_USER_UNMANAGED; 5952 } 5953 int userHandle = mInjector.userHandleGetCallingUserId(); 5954 return getUserProvisioningState(userHandle); 5955 } 5956 5957 private int getUserProvisioningState(int userHandle) { 5958 return getUserData(userHandle).mUserProvisioningState; 5959 } 5960 5961 @Override 5962 public void setUserProvisioningState(int newState, int userHandle) { 5963 if (!mHasFeature) { 5964 return; 5965 } 5966 5967 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 5968 && getManagedUserId(userHandle) == -1) { 5969 // No managed device, user or profile, so setting provisioning state makes no sense. 5970 throw new IllegalStateException("Not allowed to change provisioning state unless a " 5971 + "device or profile owner is set."); 5972 } 5973 5974 synchronized (this) { 5975 boolean transitionCheckNeeded = true; 5976 5977 // Calling identity/permission checks. 5978 final int callingUid = mInjector.binderGetCallingUid(); 5979 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 5980 // ADB shell can only move directly from un-managed to finalized as part of directly 5981 // setting profile-owner or device-owner. 5982 if (getUserProvisioningState(userHandle) != 5983 DevicePolicyManager.STATE_USER_UNMANAGED 5984 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 5985 throw new IllegalStateException("Not allowed to change provisioning state " 5986 + "unless current provisioning state is unmanaged, and new state is " 5987 + "finalized."); 5988 } 5989 transitionCheckNeeded = false; 5990 } else { 5991 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 5992 enforceCanManageProfileAndDeviceOwners(); 5993 } 5994 5995 final DevicePolicyData policyData = getUserData(userHandle); 5996 if (transitionCheckNeeded) { 5997 // Optional state transition check for non-ADB case. 5998 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 5999 } 6000 policyData.mUserProvisioningState = newState; 6001 saveSettingsLocked(userHandle); 6002 } 6003 } 6004 6005 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6006 // Valid transitions for normal use-cases. 6007 switch (currentState) { 6008 case DevicePolicyManager.STATE_USER_UNMANAGED: 6009 // Can move to any state from unmanaged (except itself as an edge case).. 6010 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6011 return; 6012 } 6013 break; 6014 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6015 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6016 // Can only move to finalized from these states. 6017 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6018 return; 6019 } 6020 break; 6021 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6022 // Current user has a managed-profile, but current user is not managed, so 6023 // rather than moving to finalized state, go back to unmanaged once 6024 // profile provisioning is complete. 6025 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6026 return; 6027 } 6028 break; 6029 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6030 // Cannot transition out of finalized. 6031 break; 6032 } 6033 6034 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6035 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6036 + "from state [" + currentState + "]"); 6037 } 6038 6039 @Override 6040 public void setProfileEnabled(ComponentName who) { 6041 if (!mHasFeature) { 6042 return; 6043 } 6044 Preconditions.checkNotNull(who, "ComponentName is null"); 6045 synchronized (this) { 6046 // Check if this is the profile owner who is calling 6047 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6048 final int userId = UserHandle.getCallingUserId(); 6049 enforceManagedProfile(userId, "enable the profile"); 6050 6051 long id = mInjector.binderClearCallingIdentity(); 6052 try { 6053 mUserManager.setUserEnabled(userId); 6054 UserInfo parent = mUserManager.getProfileParent(userId); 6055 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6056 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6057 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6058 Intent.FLAG_RECEIVER_FOREGROUND); 6059 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6060 } finally { 6061 mInjector.binderRestoreCallingIdentity(id); 6062 } 6063 } 6064 } 6065 6066 @Override 6067 public void setProfileName(ComponentName who, String profileName) { 6068 Preconditions.checkNotNull(who, "ComponentName is null"); 6069 int userId = UserHandle.getCallingUserId(); 6070 // Check if this is the profile owner (includes device owner). 6071 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6072 6073 long id = mInjector.binderClearCallingIdentity(); 6074 try { 6075 mUserManager.setUserName(userId, profileName); 6076 } finally { 6077 mInjector.binderRestoreCallingIdentity(id); 6078 } 6079 } 6080 6081 @Override 6082 public ComponentName getProfileOwner(int userHandle) { 6083 if (!mHasFeature) { 6084 return null; 6085 } 6086 6087 synchronized (this) { 6088 return mOwners.getProfileOwnerComponent(userHandle); 6089 } 6090 } 6091 6092 // Returns the active profile owner for this user or null if the current user has no 6093 // profile owner. 6094 @VisibleForTesting 6095 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6096 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6097 if (profileOwner == null) { 6098 return null; 6099 } 6100 DevicePolicyData policy = getUserData(userHandle); 6101 final int n = policy.mAdminList.size(); 6102 for (int i = 0; i < n; i++) { 6103 ActiveAdmin admin = policy.mAdminList.get(i); 6104 if (profileOwner.equals(admin.info.getComponent())) { 6105 return admin; 6106 } 6107 } 6108 return null; 6109 } 6110 6111 @Override 6112 public String getProfileOwnerName(int userHandle) { 6113 if (!mHasFeature) { 6114 return null; 6115 } 6116 enforceManageUsers(); 6117 ComponentName profileOwner = getProfileOwner(userHandle); 6118 if (profileOwner == null) { 6119 return null; 6120 } 6121 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6122 } 6123 6124 /** 6125 * Canonical name for a given package. 6126 */ 6127 private String getApplicationLabel(String packageName, int userHandle) { 6128 long token = mInjector.binderClearCallingIdentity(); 6129 try { 6130 final Context userContext; 6131 try { 6132 UserHandle handle = new UserHandle(userHandle); 6133 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6134 } catch (PackageManager.NameNotFoundException nnfe) { 6135 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6136 return null; 6137 } 6138 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6139 CharSequence result = null; 6140 if (appInfo != null) { 6141 PackageManager pm = userContext.getPackageManager(); 6142 result = pm.getApplicationLabel(appInfo); 6143 } 6144 return result != null ? result.toString() : null; 6145 } finally { 6146 mInjector.binderRestoreCallingIdentity(token); 6147 } 6148 } 6149 6150 /** 6151 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6152 * permission. 6153 * The profile owner can only be set before the user setup phase has completed, 6154 * except for: 6155 * - SYSTEM_UID 6156 * - adb if there are not accounts. 6157 */ 6158 private void enforceCanSetProfileOwnerLocked(int userHandle) { 6159 UserInfo info = getUserInfo(userHandle); 6160 if (info == null) { 6161 // User doesn't exist. 6162 throw new IllegalArgumentException( 6163 "Attempted to set profile owner for invalid userId: " + userHandle); 6164 } 6165 if (info.isGuest()) { 6166 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6167 } 6168 if (mOwners.hasProfileOwner(userHandle)) { 6169 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6170 + "is already set."); 6171 } 6172 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6173 throw new IllegalStateException("Trying to set the profile owner, but the user " 6174 + "already has a device owner."); 6175 } 6176 int callingUid = mInjector.binderGetCallingUid(); 6177 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6178 if (hasUserSetupCompleted(userHandle) && 6179 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 6180 throw new IllegalStateException("Not allowed to set the profile owner because " 6181 + "there are already some accounts on the profile"); 6182 } 6183 return; 6184 } 6185 enforceCanManageProfileAndDeviceOwners(); 6186 if (hasUserSetupCompleted(userHandle) && !isCallerWithSystemUid()) { 6187 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6188 + "already set-up"); 6189 } 6190 } 6191 6192 /** 6193 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6194 * permission. 6195 */ 6196 private void enforceCanSetDeviceOwnerLocked(int userId) { 6197 int callingUid = mInjector.binderGetCallingUid(); 6198 boolean isAdb = callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 6199 if (!isAdb) { 6200 enforceCanManageProfileAndDeviceOwners(); 6201 } 6202 6203 final int code = checkSetDeviceOwnerPreCondition(userId, isAdb); 6204 switch (code) { 6205 case CODE_OK: 6206 return; 6207 case CODE_HAS_DEVICE_OWNER: 6208 throw new IllegalStateException( 6209 "Trying to set the device owner, but device owner is already set."); 6210 case CODE_USER_HAS_PROFILE_OWNER: 6211 throw new IllegalStateException("Trying to set the device owner, but the user " 6212 + "already has a profile owner."); 6213 case CODE_USER_NOT_RUNNING: 6214 throw new IllegalStateException("User not running: " + userId); 6215 case CODE_NOT_SYSTEM_USER: 6216 throw new IllegalStateException("User is not system user"); 6217 case CODE_USER_SETUP_COMPLETED: 6218 throw new IllegalStateException( 6219 "Cannot set the device owner if the device is already set-up"); 6220 case CODE_NONSYSTEM_USER_EXISTS: 6221 throw new IllegalStateException("Not allowed to set the device owner because there " 6222 + "are already several users on the device"); 6223 case CODE_ACCOUNTS_NOT_EMPTY: 6224 throw new IllegalStateException("Not allowed to set the device owner because there " 6225 + "are already some accounts on the device"); 6226 default: 6227 throw new IllegalStateException("Unknown @DeviceOwnerPreConditionCode " + code); 6228 } 6229 } 6230 6231 private void enforceUserUnlocked(int userId) { 6232 // Since we're doing this operation on behalf of an app, we only 6233 // want to use the actual "unlocked" state. 6234 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6235 "User must be running and unlocked"); 6236 } 6237 6238 private void enforceManageUsers() { 6239 final int callingUid = mInjector.binderGetCallingUid(); 6240 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6241 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6242 } 6243 } 6244 6245 private void enforceFullCrossUsersPermission(int userHandle) { 6246 enforceSystemUserOrPermission(userHandle, 6247 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6248 } 6249 6250 private void enforceCrossUsersPermission(int userHandle) { 6251 enforceSystemUserOrPermission(userHandle, 6252 android.Manifest.permission.INTERACT_ACROSS_USERS); 6253 } 6254 6255 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6256 if (userHandle < 0) { 6257 throw new IllegalArgumentException("Invalid userId " + userHandle); 6258 } 6259 final int callingUid = mInjector.binderGetCallingUid(); 6260 if (userHandle == UserHandle.getUserId(callingUid)) { 6261 return; 6262 } 6263 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6264 mContext.enforceCallingOrSelfPermission(permission, 6265 "Must be system or have " + permission + " permission"); 6266 } 6267 } 6268 6269 private void enforceManagedProfile(int userHandle, String message) { 6270 if(!isManagedProfile(userHandle)) { 6271 throw new SecurityException("You can not " + message + " outside a managed profile."); 6272 } 6273 } 6274 6275 private void enforceNotManagedProfile(int userHandle, String message) { 6276 if(isManagedProfile(userHandle)) { 6277 throw new SecurityException("You can not " + message + " for a managed profile."); 6278 } 6279 } 6280 6281 private void ensureCallerPackage(@Nullable String packageName) { 6282 if (packageName == null) { 6283 Preconditions.checkState(isCallerWithSystemUid(), 6284 "Only caller can omit package name"); 6285 } else { 6286 final int callingUid = mInjector.binderGetCallingUid(); 6287 final int userId = mInjector.userHandleGetCallingUserId(); 6288 try { 6289 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6290 packageName, 0, userId); 6291 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6292 } catch (RemoteException e) { 6293 // Shouldn't happen 6294 } 6295 } 6296 } 6297 6298 private boolean isCallerWithSystemUid() { 6299 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6300 } 6301 6302 private int getProfileParentId(int userHandle) { 6303 final long ident = mInjector.binderClearCallingIdentity(); 6304 try { 6305 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6306 return parentUser != null ? parentUser.id : userHandle; 6307 } finally { 6308 mInjector.binderRestoreCallingIdentity(ident); 6309 } 6310 } 6311 6312 private int getCredentialOwner(int userHandle, boolean parent) { 6313 final long ident = mInjector.binderClearCallingIdentity(); 6314 try { 6315 if (parent) { 6316 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6317 if (parentProfile != null) { 6318 userHandle = parentProfile.id; 6319 } 6320 } 6321 return mUserManager.getCredentialOwnerProfile(userHandle); 6322 } finally { 6323 mInjector.binderRestoreCallingIdentity(ident); 6324 } 6325 } 6326 6327 private boolean isManagedProfile(int userHandle) { 6328 return getUserInfo(userHandle).isManagedProfile(); 6329 } 6330 6331 private void enableIfNecessary(String packageName, int userId) { 6332 try { 6333 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6334 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6335 userId); 6336 if (ai.enabledSetting 6337 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6338 mIPackageManager.setApplicationEnabledSetting(packageName, 6339 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6340 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6341 } 6342 } catch (RemoteException e) { 6343 } 6344 } 6345 6346 @Override 6347 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6348 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6349 != PackageManager.PERMISSION_GRANTED) { 6350 6351 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6352 + mInjector.binderGetCallingPid() 6353 + ", uid=" + mInjector.binderGetCallingUid()); 6354 return; 6355 } 6356 6357 synchronized (this) { 6358 pw.println("Current Device Policy Manager state:"); 6359 mOwners.dump(" ", pw); 6360 int userCount = mUserData.size(); 6361 for (int u = 0; u < userCount; u++) { 6362 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6363 pw.println(); 6364 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6365 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6366 final int N = policy.mAdminList.size(); 6367 for (int i=0; i<N; i++) { 6368 ActiveAdmin ap = policy.mAdminList.get(i); 6369 if (ap != null) { 6370 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6371 pw.println(":"); 6372 ap.dump(" ", pw); 6373 } 6374 } 6375 if (!policy.mRemovingAdmins.isEmpty()) { 6376 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6377 + policy.mRemovingAdmins); 6378 } 6379 6380 pw.println(" "); 6381 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6382 } 6383 pw.println(); 6384 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6385 } 6386 } 6387 6388 private String getEncryptionStatusName(int encryptionStatus) { 6389 switch (encryptionStatus) { 6390 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6391 return "inactive"; 6392 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6393 return "block default key"; 6394 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6395 return "block"; 6396 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6397 return "per-user"; 6398 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6399 return "unsupported"; 6400 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6401 return "activating"; 6402 default: 6403 return "unknown"; 6404 } 6405 } 6406 6407 @Override 6408 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6409 ComponentName activity) { 6410 Preconditions.checkNotNull(who, "ComponentName is null"); 6411 final int userHandle = UserHandle.getCallingUserId(); 6412 synchronized (this) { 6413 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6414 6415 long id = mInjector.binderClearCallingIdentity(); 6416 try { 6417 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6418 } catch (RemoteException re) { 6419 // Shouldn't happen 6420 } finally { 6421 mInjector.binderRestoreCallingIdentity(id); 6422 } 6423 } 6424 } 6425 6426 @Override 6427 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6428 Preconditions.checkNotNull(who, "ComponentName is null"); 6429 final int userHandle = UserHandle.getCallingUserId(); 6430 synchronized (this) { 6431 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6432 6433 long id = mInjector.binderClearCallingIdentity(); 6434 try { 6435 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6436 } catch (RemoteException re) { 6437 // Shouldn't happen 6438 } finally { 6439 mInjector.binderRestoreCallingIdentity(id); 6440 } 6441 } 6442 } 6443 6444 @Override 6445 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6446 String packageName) { 6447 Preconditions.checkNotNull(admin, "ComponentName is null"); 6448 6449 final int userHandle = mInjector.userHandleGetCallingUserId(); 6450 synchronized (this) { 6451 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6452 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6453 return false; 6454 } 6455 DevicePolicyData policy = getUserData(userHandle); 6456 policy.mApplicationRestrictionsManagingPackage = packageName; 6457 saveSettingsLocked(userHandle); 6458 return true; 6459 } 6460 } 6461 6462 @Override 6463 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6464 Preconditions.checkNotNull(admin, "ComponentName is null"); 6465 6466 final int userHandle = mInjector.userHandleGetCallingUserId(); 6467 synchronized (this) { 6468 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6469 DevicePolicyData policy = getUserData(userHandle); 6470 return policy.mApplicationRestrictionsManagingPackage; 6471 } 6472 } 6473 6474 @Override 6475 public boolean isCallerApplicationRestrictionsManagingPackage() { 6476 final int callingUid = mInjector.binderGetCallingUid(); 6477 final int userHandle = UserHandle.getUserId(callingUid); 6478 synchronized (this) { 6479 final DevicePolicyData policy = getUserData(userHandle); 6480 if (policy.mApplicationRestrictionsManagingPackage == null) { 6481 return false; 6482 } 6483 6484 try { 6485 int uid = mContext.getPackageManager().getPackageUidAsUser( 6486 policy.mApplicationRestrictionsManagingPackage, userHandle); 6487 return uid == callingUid; 6488 } catch (NameNotFoundException e) { 6489 return false; 6490 } 6491 } 6492 } 6493 6494 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6495 if (who != null) { 6496 synchronized (this) { 6497 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6498 } 6499 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6500 throw new SecurityException( 6501 "No admin component given, and caller cannot manage application restrictions " 6502 + "for other apps."); 6503 } 6504 } 6505 6506 @Override 6507 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6508 enforceCanManageApplicationRestrictions(who); 6509 6510 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6511 final long id = mInjector.binderClearCallingIdentity(); 6512 try { 6513 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6514 } finally { 6515 mInjector.binderRestoreCallingIdentity(id); 6516 } 6517 } 6518 6519 @Override 6520 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6521 PersistableBundle args, boolean parent) { 6522 if (!mHasFeature) { 6523 return; 6524 } 6525 Preconditions.checkNotNull(admin, "admin is null"); 6526 Preconditions.checkNotNull(agent, "agent is null"); 6527 final int userHandle = UserHandle.getCallingUserId(); 6528 synchronized (this) { 6529 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6530 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6531 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6532 saveSettingsLocked(userHandle); 6533 } 6534 } 6535 6536 @Override 6537 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6538 ComponentName agent, int userHandle, boolean parent) { 6539 if (!mHasFeature) { 6540 return null; 6541 } 6542 Preconditions.checkNotNull(agent, "agent null"); 6543 enforceFullCrossUsersPermission(userHandle); 6544 6545 synchronized (this) { 6546 final String componentName = agent.flattenToString(); 6547 if (admin != null) { 6548 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 6549 if (ap == null) return null; 6550 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6551 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6552 List<PersistableBundle> result = new ArrayList<>(); 6553 result.add(trustAgentInfo.options); 6554 return result; 6555 } 6556 6557 // Return strictest policy for this user and profiles that are visible from this user. 6558 List<PersistableBundle> result = null; 6559 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6560 // of the options. If any admin doesn't have options, discard options for the rest 6561 // and return null. 6562 List<ActiveAdmin> admins = 6563 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6564 boolean allAdminsHaveOptions = true; 6565 final int N = admins.size(); 6566 for (int i = 0; i < N; i++) { 6567 final ActiveAdmin active = admins.get(i); 6568 6569 final boolean disablesTrust = (active.disabledKeyguardFeatures 6570 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6571 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6572 if (info != null && info.options != null && !info.options.isEmpty()) { 6573 if (disablesTrust) { 6574 if (result == null) { 6575 result = new ArrayList<>(); 6576 } 6577 result.add(info.options); 6578 } else { 6579 Log.w(LOG_TAG, "Ignoring admin " + active.info 6580 + " because it has trust options but doesn't declare " 6581 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6582 } 6583 } else if (disablesTrust) { 6584 allAdminsHaveOptions = false; 6585 break; 6586 } 6587 } 6588 return allAdminsHaveOptions ? result : null; 6589 } 6590 } 6591 6592 @Override 6593 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 6594 Preconditions.checkNotNull(who, "ComponentName is null"); 6595 synchronized (this) { 6596 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6597 6598 int userHandle = UserHandle.getCallingUserId(); 6599 DevicePolicyData userData = getUserData(userHandle); 6600 userData.mRestrictionsProvider = permissionProvider; 6601 saveSettingsLocked(userHandle); 6602 } 6603 } 6604 6605 @Override 6606 public ComponentName getRestrictionsProvider(int userHandle) { 6607 synchronized (this) { 6608 if (!isCallerWithSystemUid()) { 6609 throw new SecurityException("Only the system can query the permission provider"); 6610 } 6611 DevicePolicyData userData = getUserData(userHandle); 6612 return userData != null ? userData.mRestrictionsProvider : null; 6613 } 6614 } 6615 6616 @Override 6617 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 6618 Preconditions.checkNotNull(who, "ComponentName is null"); 6619 int callingUserId = UserHandle.getCallingUserId(); 6620 synchronized (this) { 6621 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6622 6623 long id = mInjector.binderClearCallingIdentity(); 6624 try { 6625 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6626 if (parent == null) { 6627 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 6628 + "parent"); 6629 return; 6630 } 6631 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 6632 mIPackageManager.addCrossProfileIntentFilter( 6633 filter, who.getPackageName(), callingUserId, parent.id, 0); 6634 } 6635 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 6636 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 6637 parent.id, callingUserId, 0); 6638 } 6639 } catch (RemoteException re) { 6640 // Shouldn't happen 6641 } finally { 6642 mInjector.binderRestoreCallingIdentity(id); 6643 } 6644 } 6645 } 6646 6647 @Override 6648 public void clearCrossProfileIntentFilters(ComponentName who) { 6649 Preconditions.checkNotNull(who, "ComponentName is null"); 6650 int callingUserId = UserHandle.getCallingUserId(); 6651 synchronized (this) { 6652 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6653 long id = mInjector.binderClearCallingIdentity(); 6654 try { 6655 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6656 if (parent == null) { 6657 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 6658 + "parent"); 6659 return; 6660 } 6661 // Removing those that go from the managed profile to the parent. 6662 mIPackageManager.clearCrossProfileIntentFilters( 6663 callingUserId, who.getPackageName()); 6664 // And those that go from the parent to the managed profile. 6665 // If we want to support multiple managed profiles, we will have to only remove 6666 // those that have callingUserId as their target. 6667 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 6668 } catch (RemoteException re) { 6669 // Shouldn't happen 6670 } finally { 6671 mInjector.binderRestoreCallingIdentity(id); 6672 } 6673 } 6674 } 6675 6676 /** 6677 * @return true if all packages in enabledPackages are either in the list 6678 * permittedList or are a system app. 6679 */ 6680 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 6681 List<String> permittedList, int userIdToCheck) { 6682 long id = mInjector.binderClearCallingIdentity(); 6683 try { 6684 // If we have an enabled packages list for a managed profile the packages 6685 // we should check are installed for the parent user. 6686 UserInfo user = getUserInfo(userIdToCheck); 6687 if (user.isManagedProfile()) { 6688 userIdToCheck = user.profileGroupId; 6689 } 6690 6691 for (String enabledPackage : enabledPackages) { 6692 boolean systemService = false; 6693 try { 6694 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 6695 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 6696 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6697 } catch (RemoteException e) { 6698 Log.i(LOG_TAG, "Can't talk to package managed", e); 6699 } 6700 if (!systemService && !permittedList.contains(enabledPackage)) { 6701 return false; 6702 } 6703 } 6704 } finally { 6705 mInjector.binderRestoreCallingIdentity(id); 6706 } 6707 return true; 6708 } 6709 6710 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 6711 // Not using AccessibilityManager.getInstance because that guesses 6712 // at the user you require based on callingUid and caches for a given 6713 // process. 6714 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 6715 IAccessibilityManager service = iBinder == null 6716 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 6717 return new AccessibilityManager(mContext, service, userId); 6718 } 6719 6720 @Override 6721 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 6722 if (!mHasFeature) { 6723 return false; 6724 } 6725 Preconditions.checkNotNull(who, "ComponentName is null"); 6726 6727 if (packageList != null) { 6728 int userId = UserHandle.getCallingUserId(); 6729 List<AccessibilityServiceInfo> enabledServices = null; 6730 long id = mInjector.binderClearCallingIdentity(); 6731 try { 6732 UserInfo user = getUserInfo(userId); 6733 if (user.isManagedProfile()) { 6734 userId = user.profileGroupId; 6735 } 6736 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 6737 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 6738 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 6739 } finally { 6740 mInjector.binderRestoreCallingIdentity(id); 6741 } 6742 6743 if (enabledServices != null) { 6744 List<String> enabledPackages = new ArrayList<String>(); 6745 for (AccessibilityServiceInfo service : enabledServices) { 6746 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 6747 } 6748 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6749 userId)) { 6750 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 6751 + "because it contains already enabled accesibility services."); 6752 return false; 6753 } 6754 } 6755 } 6756 6757 synchronized (this) { 6758 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6759 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6760 admin.permittedAccessiblityServices = packageList; 6761 saveSettingsLocked(UserHandle.getCallingUserId()); 6762 } 6763 return true; 6764 } 6765 6766 @Override 6767 public List getPermittedAccessibilityServices(ComponentName who) { 6768 if (!mHasFeature) { 6769 return null; 6770 } 6771 Preconditions.checkNotNull(who, "ComponentName is null"); 6772 6773 synchronized (this) { 6774 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6775 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6776 return admin.permittedAccessiblityServices; 6777 } 6778 } 6779 6780 @Override 6781 public List getPermittedAccessibilityServicesForUser(int userId) { 6782 if (!mHasFeature) { 6783 return null; 6784 } 6785 synchronized (this) { 6786 List<String> result = null; 6787 // If we have multiple profiles we return the intersection of the 6788 // permitted lists. This can happen in cases where we have a device 6789 // and profile owner. 6790 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 6791 for (int profileId : profileIds) { 6792 // Just loop though all admins, only device or profiles 6793 // owners can have permitted lists set. 6794 DevicePolicyData policy = getUserDataUnchecked(profileId); 6795 final int N = policy.mAdminList.size(); 6796 for (int j = 0; j < N; j++) { 6797 ActiveAdmin admin = policy.mAdminList.get(j); 6798 List<String> fromAdmin = admin.permittedAccessiblityServices; 6799 if (fromAdmin != null) { 6800 if (result == null) { 6801 result = new ArrayList<>(fromAdmin); 6802 } else { 6803 result.retainAll(fromAdmin); 6804 } 6805 } 6806 } 6807 } 6808 6809 // If we have a permitted list add all system accessibility services. 6810 if (result != null) { 6811 long id = mInjector.binderClearCallingIdentity(); 6812 try { 6813 UserInfo user = getUserInfo(userId); 6814 if (user.isManagedProfile()) { 6815 userId = user.profileGroupId; 6816 } 6817 AccessibilityManager accessibilityManager = 6818 getAccessibilityManagerForUser(userId); 6819 List<AccessibilityServiceInfo> installedServices = 6820 accessibilityManager.getInstalledAccessibilityServiceList(); 6821 6822 if (installedServices != null) { 6823 for (AccessibilityServiceInfo service : installedServices) { 6824 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 6825 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6826 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6827 result.add(serviceInfo.packageName); 6828 } 6829 } 6830 } 6831 } finally { 6832 mInjector.binderRestoreCallingIdentity(id); 6833 } 6834 } 6835 6836 return result; 6837 } 6838 } 6839 6840 @Override 6841 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 6842 int userHandle) { 6843 if (!mHasFeature) { 6844 return true; 6845 } 6846 Preconditions.checkNotNull(who, "ComponentName is null"); 6847 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 6848 if (!isCallerWithSystemUid()){ 6849 throw new SecurityException( 6850 "Only the system can query if an accessibility service is disabled by admin"); 6851 } 6852 synchronized (this) { 6853 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6854 if (admin == null) { 6855 return false; 6856 } 6857 if (admin.permittedAccessiblityServices == null) { 6858 return true; 6859 } 6860 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 6861 admin.permittedAccessiblityServices, userHandle); 6862 } 6863 } 6864 6865 private boolean checkCallerIsCurrentUserOrProfile() { 6866 int callingUserId = UserHandle.getCallingUserId(); 6867 long token = mInjector.binderClearCallingIdentity(); 6868 try { 6869 UserInfo currentUser; 6870 UserInfo callingUser = getUserInfo(callingUserId); 6871 try { 6872 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6873 } catch (RemoteException e) { 6874 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 6875 return false; 6876 } 6877 6878 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 6879 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 6880 + "of a user that isn't the foreground user."); 6881 return false; 6882 } 6883 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 6884 Slog.e(LOG_TAG, "Cannot set permitted input methods " 6885 + "of a user that isn't the foreground user."); 6886 return false; 6887 } 6888 } finally { 6889 mInjector.binderRestoreCallingIdentity(token); 6890 } 6891 return true; 6892 } 6893 6894 @Override 6895 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 6896 if (!mHasFeature) { 6897 return false; 6898 } 6899 Preconditions.checkNotNull(who, "ComponentName is null"); 6900 6901 // TODO When InputMethodManager supports per user calls remove 6902 // this restriction. 6903 if (!checkCallerIsCurrentUserOrProfile()) { 6904 return false; 6905 } 6906 6907 if (packageList != null) { 6908 // InputMethodManager fetches input methods for current user. 6909 // So this can only be set when calling user is the current user 6910 // or parent is current user in case of managed profiles. 6911 InputMethodManager inputMethodManager = 6912 mContext.getSystemService(InputMethodManager.class); 6913 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 6914 6915 if (enabledImes != null) { 6916 List<String> enabledPackages = new ArrayList<String>(); 6917 for (InputMethodInfo ime : enabledImes) { 6918 enabledPackages.add(ime.getPackageName()); 6919 } 6920 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6921 mInjector.binderGetCallingUserHandle().getIdentifier())) { 6922 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 6923 + "because it contains already enabled input method."); 6924 return false; 6925 } 6926 } 6927 } 6928 6929 synchronized (this) { 6930 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6931 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6932 admin.permittedInputMethods = packageList; 6933 saveSettingsLocked(UserHandle.getCallingUserId()); 6934 } 6935 return true; 6936 } 6937 6938 @Override 6939 public List getPermittedInputMethods(ComponentName who) { 6940 if (!mHasFeature) { 6941 return null; 6942 } 6943 Preconditions.checkNotNull(who, "ComponentName is null"); 6944 6945 synchronized (this) { 6946 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6947 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6948 return admin.permittedInputMethods; 6949 } 6950 } 6951 6952 @Override 6953 public List getPermittedInputMethodsForCurrentUser() { 6954 UserInfo currentUser; 6955 try { 6956 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6957 } catch (RemoteException e) { 6958 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 6959 // Activity managed is dead, just allow all IMEs 6960 return null; 6961 } 6962 6963 int userId = currentUser.id; 6964 synchronized (this) { 6965 List<String> result = null; 6966 // If we have multiple profiles we return the intersection of the 6967 // permitted lists. This can happen in cases where we have a device 6968 // and profile owner. 6969 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 6970 for (int profileId : profileIds) { 6971 // Just loop though all admins, only device or profiles 6972 // owners can have permitted lists set. 6973 DevicePolicyData policy = getUserDataUnchecked(profileId); 6974 final int N = policy.mAdminList.size(); 6975 for (int j = 0; j < N; j++) { 6976 ActiveAdmin admin = policy.mAdminList.get(j); 6977 List<String> fromAdmin = admin.permittedInputMethods; 6978 if (fromAdmin != null) { 6979 if (result == null) { 6980 result = new ArrayList<String>(fromAdmin); 6981 } else { 6982 result.retainAll(fromAdmin); 6983 } 6984 } 6985 } 6986 } 6987 6988 // If we have a permitted list add all system input methods. 6989 if (result != null) { 6990 InputMethodManager inputMethodManager = 6991 mContext.getSystemService(InputMethodManager.class); 6992 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 6993 long id = mInjector.binderClearCallingIdentity(); 6994 try { 6995 if (imes != null) { 6996 for (InputMethodInfo ime : imes) { 6997 ServiceInfo serviceInfo = ime.getServiceInfo(); 6998 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6999 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7000 result.add(serviceInfo.packageName); 7001 } 7002 } 7003 } 7004 } finally { 7005 mInjector.binderRestoreCallingIdentity(id); 7006 } 7007 } 7008 return result; 7009 } 7010 } 7011 7012 @Override 7013 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7014 int userHandle) { 7015 if (!mHasFeature) { 7016 return true; 7017 } 7018 Preconditions.checkNotNull(who, "ComponentName is null"); 7019 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7020 if (!isCallerWithSystemUid()) { 7021 throw new SecurityException( 7022 "Only the system can query if an input method is disabled by admin"); 7023 } 7024 synchronized (this) { 7025 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7026 if (admin == null) { 7027 return false; 7028 } 7029 if (admin.permittedInputMethods == null) { 7030 return true; 7031 } 7032 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7033 admin.permittedInputMethods, userHandle); 7034 } 7035 } 7036 7037 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7038 DevicePolicyData policyData = getUserData(userHandle); 7039 if (policyData.mAdminBroadcastPending) { 7040 // Send the initialization data to profile owner and delete the data 7041 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7042 if (admin != null) { 7043 PersistableBundle initBundle = policyData.mInitBundle; 7044 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7045 initBundle == null ? null : new Bundle(initBundle), null); 7046 } 7047 policyData.mInitBundle = null; 7048 policyData.mAdminBroadcastPending = false; 7049 saveSettingsLocked(userHandle); 7050 } 7051 } 7052 7053 @Override 7054 public UserHandle createAndManageUser(ComponentName admin, String name, 7055 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7056 Preconditions.checkNotNull(admin, "admin is null"); 7057 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7058 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7059 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7060 + admin + " are not in the same package"); 7061 } 7062 // Only allow the system user to use this method 7063 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7064 throw new SecurityException("createAndManageUser was called from non-system user"); 7065 } 7066 if (!mInjector.userManagerIsSplitSystemUser() 7067 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7068 throw new IllegalArgumentException( 7069 "Ephemeral users are only supported on systems with a split system user."); 7070 } 7071 // Create user. 7072 UserHandle user = null; 7073 synchronized (this) { 7074 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7075 7076 final long id = mInjector.binderClearCallingIdentity(); 7077 try { 7078 int userInfoFlags = 0; 7079 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7080 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7081 } 7082 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7083 userInfoFlags); 7084 if (userInfo != null) { 7085 user = userInfo.getUserHandle(); 7086 } 7087 } finally { 7088 mInjector.binderRestoreCallingIdentity(id); 7089 } 7090 } 7091 if (user == null) { 7092 return null; 7093 } 7094 // Set admin. 7095 final long id = mInjector.binderClearCallingIdentity(); 7096 try { 7097 final String adminPkg = admin.getPackageName(); 7098 7099 final int userHandle = user.getIdentifier(); 7100 try { 7101 // Install the profile owner if not present. 7102 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7103 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 7104 } 7105 } catch (RemoteException e) { 7106 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7107 + "removing created user", e); 7108 mUserManager.removeUser(user.getIdentifier()); 7109 return null; 7110 } 7111 7112 setActiveAdmin(profileOwner, true, userHandle); 7113 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7114 // So we store adminExtras for broadcasting when the user starts for first time. 7115 synchronized(this) { 7116 DevicePolicyData policyData = getUserData(userHandle); 7117 policyData.mInitBundle = adminExtras; 7118 policyData.mAdminBroadcastPending = true; 7119 saveSettingsLocked(userHandle); 7120 } 7121 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7122 setProfileOwner(profileOwner, ownerName, userHandle); 7123 7124 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7125 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7126 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7127 } 7128 7129 return user; 7130 } finally { 7131 mInjector.binderRestoreCallingIdentity(id); 7132 } 7133 } 7134 7135 @Override 7136 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7137 Preconditions.checkNotNull(who, "ComponentName is null"); 7138 synchronized (this) { 7139 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7140 7141 long id = mInjector.binderClearCallingIdentity(); 7142 try { 7143 return mUserManager.removeUser(userHandle.getIdentifier()); 7144 } finally { 7145 mInjector.binderRestoreCallingIdentity(id); 7146 } 7147 } 7148 } 7149 7150 @Override 7151 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7152 Preconditions.checkNotNull(who, "ComponentName is null"); 7153 synchronized (this) { 7154 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7155 7156 long id = mInjector.binderClearCallingIdentity(); 7157 try { 7158 int userId = UserHandle.USER_SYSTEM; 7159 if (userHandle != null) { 7160 userId = userHandle.getIdentifier(); 7161 } 7162 return mInjector.getIActivityManager().switchUser(userId); 7163 } catch (RemoteException e) { 7164 Log.e(LOG_TAG, "Couldn't switch user", e); 7165 return false; 7166 } finally { 7167 mInjector.binderRestoreCallingIdentity(id); 7168 } 7169 } 7170 } 7171 7172 @Override 7173 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7174 enforceCanManageApplicationRestrictions(who); 7175 7176 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7177 final long id = mInjector.binderClearCallingIdentity(); 7178 try { 7179 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7180 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7181 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7182 return bundle != null ? bundle : Bundle.EMPTY; 7183 } finally { 7184 mInjector.binderRestoreCallingIdentity(id); 7185 } 7186 } 7187 7188 @Override 7189 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7190 boolean suspended) { 7191 Preconditions.checkNotNull(who, "ComponentName is null"); 7192 int callingUserId = UserHandle.getCallingUserId(); 7193 synchronized (this) { 7194 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7195 7196 long id = mInjector.binderClearCallingIdentity(); 7197 try { 7198 return mIPackageManager.setPackagesSuspendedAsUser( 7199 packageNames, suspended, callingUserId); 7200 } catch (RemoteException re) { 7201 // Shouldn't happen. 7202 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7203 } finally { 7204 mInjector.binderRestoreCallingIdentity(id); 7205 } 7206 return packageNames; 7207 } 7208 } 7209 7210 @Override 7211 public boolean isPackageSuspended(ComponentName who, String packageName) { 7212 Preconditions.checkNotNull(who, "ComponentName is null"); 7213 int callingUserId = UserHandle.getCallingUserId(); 7214 synchronized (this) { 7215 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7216 7217 long id = mInjector.binderClearCallingIdentity(); 7218 try { 7219 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7220 } catch (RemoteException re) { 7221 // Shouldn't happen. 7222 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7223 } finally { 7224 mInjector.binderRestoreCallingIdentity(id); 7225 } 7226 return false; 7227 } 7228 } 7229 7230 @Override 7231 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7232 Preconditions.checkNotNull(who, "ComponentName is null"); 7233 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7234 return; 7235 } 7236 7237 final int userHandle = mInjector.userHandleGetCallingUserId(); 7238 synchronized (this) { 7239 ActiveAdmin activeAdmin = 7240 getActiveAdminForCallerLocked(who, 7241 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7242 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7243 if (isDeviceOwner) { 7244 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7245 throw new SecurityException("Device owner cannot set user restriction " + key); 7246 } 7247 } else { // profile owner 7248 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7249 throw new SecurityException("Profile owner cannot set user restriction " + key); 7250 } 7251 } 7252 7253 // Save the restriction to ActiveAdmin. 7254 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 7255 saveSettingsLocked(userHandle); 7256 7257 pushUserRestrictions(userHandle); 7258 7259 sendChangedNotification(userHandle); 7260 } 7261 } 7262 7263 private void pushUserRestrictions(int userId) { 7264 synchronized (this) { 7265 final Bundle global; 7266 final Bundle local = new Bundle(); 7267 if (mOwners.isDeviceOwnerUserId(userId)) { 7268 global = new Bundle(); 7269 7270 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7271 if (deviceOwner == null) { 7272 return; // Shouldn't happen. 7273 } 7274 7275 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 7276 global, local); 7277 // DO can disable camera globally. 7278 if (deviceOwner.disableCamera) { 7279 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 7280 } 7281 } else { 7282 global = null; 7283 7284 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7285 if (profileOwner != null) { 7286 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7287 } 7288 } 7289 // Also merge in *local* camera restriction. 7290 if (getCameraDisabled(/* who= */ null, 7291 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7292 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7293 } 7294 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7295 } 7296 } 7297 7298 @Override 7299 public Bundle getUserRestrictions(ComponentName who) { 7300 if (!mHasFeature) { 7301 return null; 7302 } 7303 Preconditions.checkNotNull(who, "ComponentName is null"); 7304 synchronized (this) { 7305 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7306 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7307 return activeAdmin.userRestrictions; 7308 } 7309 } 7310 7311 @Override 7312 public Bundle getUserRestrictionsForUser(ComponentName who, int userHandle) { 7313 if (!mHasFeature) { 7314 return null; 7315 } 7316 Preconditions.checkNotNull(who, "ComponentName is null"); 7317 enforceFullCrossUsersPermission(userHandle); 7318 enforceCanManageProfileAndDeviceOwners(); 7319 synchronized (this) { 7320 ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(who, userHandle); 7321 if (activeAdmin == null) { 7322 return null; 7323 } 7324 return activeAdmin.userRestrictions; 7325 } 7326 } 7327 7328 @Override 7329 public boolean setApplicationHidden(ComponentName who, String packageName, 7330 boolean hidden) { 7331 Preconditions.checkNotNull(who, "ComponentName is null"); 7332 int callingUserId = UserHandle.getCallingUserId(); 7333 synchronized (this) { 7334 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7335 7336 long id = mInjector.binderClearCallingIdentity(); 7337 try { 7338 return mIPackageManager.setApplicationHiddenSettingAsUser( 7339 packageName, hidden, callingUserId); 7340 } catch (RemoteException re) { 7341 // shouldn't happen 7342 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7343 } finally { 7344 mInjector.binderRestoreCallingIdentity(id); 7345 } 7346 return false; 7347 } 7348 } 7349 7350 @Override 7351 public boolean isApplicationHidden(ComponentName who, String packageName) { 7352 Preconditions.checkNotNull(who, "ComponentName is null"); 7353 int callingUserId = UserHandle.getCallingUserId(); 7354 synchronized (this) { 7355 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7356 7357 long id = mInjector.binderClearCallingIdentity(); 7358 try { 7359 return mIPackageManager.getApplicationHiddenSettingAsUser( 7360 packageName, callingUserId); 7361 } catch (RemoteException re) { 7362 // shouldn't happen 7363 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7364 } finally { 7365 mInjector.binderRestoreCallingIdentity(id); 7366 } 7367 return false; 7368 } 7369 } 7370 7371 @Override 7372 public void enableSystemApp(ComponentName who, String packageName) { 7373 Preconditions.checkNotNull(who, "ComponentName is null"); 7374 synchronized (this) { 7375 // This API can only be called by an active device admin, 7376 // so try to retrieve it to check that the caller is one. 7377 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7378 7379 int userId = UserHandle.getCallingUserId(); 7380 long id = mInjector.binderClearCallingIdentity(); 7381 7382 try { 7383 if (VERBOSE_LOG) { 7384 Slog.v(LOG_TAG, "installing " + packageName + " for " 7385 + userId); 7386 } 7387 7388 int parentUserId = getProfileParentId(userId); 7389 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7390 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7391 } 7392 7393 // Install the app. 7394 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7395 7396 } catch (RemoteException re) { 7397 // shouldn't happen 7398 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7399 } finally { 7400 mInjector.binderRestoreCallingIdentity(id); 7401 } 7402 } 7403 } 7404 7405 @Override 7406 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7407 Preconditions.checkNotNull(who, "ComponentName is null"); 7408 synchronized (this) { 7409 // This API can only be called by an active device admin, 7410 // so try to retrieve it to check that the caller is one. 7411 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7412 7413 int userId = UserHandle.getCallingUserId(); 7414 long id = mInjector.binderClearCallingIdentity(); 7415 7416 try { 7417 int parentUserId = getProfileParentId(userId); 7418 List<ResolveInfo> activitiesToEnable = mIPackageManager 7419 .queryIntentActivities(intent, 7420 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7421 PackageManager.MATCH_DIRECT_BOOT_AWARE 7422 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7423 parentUserId) 7424 .getList(); 7425 7426 if (VERBOSE_LOG) { 7427 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7428 } 7429 int numberOfAppsInstalled = 0; 7430 if (activitiesToEnable != null) { 7431 for (ResolveInfo info : activitiesToEnable) { 7432 if (info.activityInfo != null) { 7433 String packageName = info.activityInfo.packageName; 7434 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7435 numberOfAppsInstalled++; 7436 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7437 } else { 7438 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7439 + " system app"); 7440 } 7441 } 7442 } 7443 } 7444 return numberOfAppsInstalled; 7445 } catch (RemoteException e) { 7446 // shouldn't happen 7447 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7448 return 0; 7449 } finally { 7450 mInjector.binderRestoreCallingIdentity(id); 7451 } 7452 } 7453 } 7454 7455 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7456 throws RemoteException { 7457 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 7458 userId); 7459 if (appInfo == null) { 7460 throw new IllegalArgumentException("The application " + packageName + 7461 " is not present on this device"); 7462 } 7463 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7464 } 7465 7466 @Override 7467 public void setAccountManagementDisabled(ComponentName who, String accountType, 7468 boolean disabled) { 7469 if (!mHasFeature) { 7470 return; 7471 } 7472 Preconditions.checkNotNull(who, "ComponentName is null"); 7473 synchronized (this) { 7474 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7475 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7476 if (disabled) { 7477 ap.accountTypesWithManagementDisabled.add(accountType); 7478 } else { 7479 ap.accountTypesWithManagementDisabled.remove(accountType); 7480 } 7481 saveSettingsLocked(UserHandle.getCallingUserId()); 7482 } 7483 } 7484 7485 @Override 7486 public String[] getAccountTypesWithManagementDisabled() { 7487 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7488 } 7489 7490 @Override 7491 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7492 enforceFullCrossUsersPermission(userId); 7493 if (!mHasFeature) { 7494 return null; 7495 } 7496 synchronized (this) { 7497 DevicePolicyData policy = getUserData(userId); 7498 final int N = policy.mAdminList.size(); 7499 ArraySet<String> resultSet = new ArraySet<>(); 7500 for (int i = 0; i < N; i++) { 7501 ActiveAdmin admin = policy.mAdminList.get(i); 7502 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7503 } 7504 return resultSet.toArray(new String[resultSet.size()]); 7505 } 7506 } 7507 7508 @Override 7509 public void setUninstallBlocked(ComponentName who, String packageName, 7510 boolean uninstallBlocked) { 7511 Preconditions.checkNotNull(who, "ComponentName is null"); 7512 final int userId = UserHandle.getCallingUserId(); 7513 synchronized (this) { 7514 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7515 7516 long id = mInjector.binderClearCallingIdentity(); 7517 try { 7518 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7519 } catch (RemoteException re) { 7520 // Shouldn't happen. 7521 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7522 } finally { 7523 mInjector.binderRestoreCallingIdentity(id); 7524 } 7525 } 7526 } 7527 7528 @Override 7529 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7530 // This function should return true if and only if the package is blocked by 7531 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7532 // when the package is a system app, or when it is an active device admin. 7533 final int userId = UserHandle.getCallingUserId(); 7534 7535 synchronized (this) { 7536 if (who != null) { 7537 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7538 } 7539 7540 long id = mInjector.binderClearCallingIdentity(); 7541 try { 7542 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7543 } catch (RemoteException re) { 7544 // Shouldn't happen. 7545 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7546 } finally { 7547 mInjector.binderRestoreCallingIdentity(id); 7548 } 7549 } 7550 return false; 7551 } 7552 7553 @Override 7554 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7555 if (!mHasFeature) { 7556 return; 7557 } 7558 Preconditions.checkNotNull(who, "ComponentName is null"); 7559 synchronized (this) { 7560 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7561 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7562 if (admin.disableCallerId != disabled) { 7563 admin.disableCallerId = disabled; 7564 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7565 } 7566 } 7567 } 7568 7569 @Override 7570 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7571 if (!mHasFeature) { 7572 return false; 7573 } 7574 Preconditions.checkNotNull(who, "ComponentName is null"); 7575 synchronized (this) { 7576 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7577 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7578 return admin.disableCallerId; 7579 } 7580 } 7581 7582 @Override 7583 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 7584 enforceCrossUsersPermission(userId); 7585 synchronized (this) { 7586 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7587 return (admin != null) ? admin.disableCallerId : false; 7588 } 7589 } 7590 7591 @Override 7592 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 7593 if (!mHasFeature) { 7594 return; 7595 } 7596 Preconditions.checkNotNull(who, "ComponentName is null"); 7597 synchronized (this) { 7598 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7599 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7600 if (admin.disableContactsSearch != disabled) { 7601 admin.disableContactsSearch = disabled; 7602 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7603 } 7604 } 7605 } 7606 7607 @Override 7608 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 7609 if (!mHasFeature) { 7610 return false; 7611 } 7612 Preconditions.checkNotNull(who, "ComponentName is null"); 7613 synchronized (this) { 7614 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7615 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7616 return admin.disableContactsSearch; 7617 } 7618 } 7619 7620 @Override 7621 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 7622 enforceCrossUsersPermission(userId); 7623 synchronized (this) { 7624 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7625 return (admin != null) ? admin.disableContactsSearch : false; 7626 } 7627 } 7628 7629 @Override 7630 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 7631 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 7632 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 7633 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 7634 final int callingUserId = UserHandle.getCallingUserId(); 7635 7636 final long ident = mInjector.binderClearCallingIdentity(); 7637 try { 7638 synchronized (this) { 7639 final int managedUserId = getManagedUserId(callingUserId); 7640 if (managedUserId < 0) { 7641 return; 7642 } 7643 if (isCrossProfileQuickContactDisabled(managedUserId)) { 7644 if (VERBOSE_LOG) { 7645 Log.v(LOG_TAG, 7646 "Cross-profile contacts access disabled for user " + managedUserId); 7647 } 7648 return; 7649 } 7650 ContactsInternal.startQuickContactWithErrorToastForUser( 7651 mContext, intent, new UserHandle(managedUserId)); 7652 } 7653 } finally { 7654 mInjector.binderRestoreCallingIdentity(ident); 7655 } 7656 } 7657 7658 /** 7659 * @return true if cross-profile QuickContact is disabled 7660 */ 7661 private boolean isCrossProfileQuickContactDisabled(int userId) { 7662 return getCrossProfileCallerIdDisabledForUser(userId) 7663 && getCrossProfileContactsSearchDisabledForUser(userId); 7664 } 7665 7666 /** 7667 * @return the user ID of the managed user that is linked to the current user, if any. 7668 * Otherwise -1. 7669 */ 7670 public int getManagedUserId(int callingUserId) { 7671 if (VERBOSE_LOG) { 7672 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 7673 } 7674 7675 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 7676 if (ui.id == callingUserId || !ui.isManagedProfile()) { 7677 continue; // Caller user self, or not a managed profile. Skip. 7678 } 7679 if (VERBOSE_LOG) { 7680 Log.v(LOG_TAG, "Managed user=" + ui.id); 7681 } 7682 return ui.id; 7683 } 7684 if (VERBOSE_LOG) { 7685 Log.v(LOG_TAG, "Managed user not found."); 7686 } 7687 return -1; 7688 } 7689 7690 @Override 7691 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 7692 if (!mHasFeature) { 7693 return; 7694 } 7695 Preconditions.checkNotNull(who, "ComponentName is null"); 7696 synchronized (this) { 7697 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7698 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7699 if (admin.disableBluetoothContactSharing != disabled) { 7700 admin.disableBluetoothContactSharing = disabled; 7701 saveSettingsLocked(UserHandle.getCallingUserId()); 7702 } 7703 } 7704 } 7705 7706 @Override 7707 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 7708 if (!mHasFeature) { 7709 return false; 7710 } 7711 Preconditions.checkNotNull(who, "ComponentName is null"); 7712 synchronized (this) { 7713 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7714 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7715 return admin.disableBluetoothContactSharing; 7716 } 7717 } 7718 7719 @Override 7720 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 7721 // TODO: Should there be a check to make sure this relationship is 7722 // within a profile group? 7723 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 7724 synchronized (this) { 7725 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7726 return (admin != null) ? admin.disableBluetoothContactSharing : false; 7727 } 7728 } 7729 7730 /** 7731 * Sets which packages may enter lock task mode. 7732 * 7733 * <p>This function can only be called by the device owner or alternatively by the profile owner 7734 * in case the user is affiliated. 7735 * 7736 * @param packages The list of packages allowed to enter lock task mode. 7737 */ 7738 @Override 7739 public void setLockTaskPackages(ComponentName who, String[] packages) 7740 throws SecurityException { 7741 Preconditions.checkNotNull(who, "ComponentName is null"); 7742 synchronized (this) { 7743 ActiveAdmin deviceOwner = getActiveAdminWithPolicyForUidLocked( 7744 who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, mInjector.binderGetCallingUid()); 7745 ActiveAdmin profileOwner = getActiveAdminWithPolicyForUidLocked( 7746 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()); 7747 if (deviceOwner != null || (profileOwner != null && isAffiliatedUser())) { 7748 int userHandle = mInjector.userHandleGetCallingUserId(); 7749 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 7750 } else { 7751 throw new SecurityException("Admin " + who + 7752 " is neither the device owner or affiliated user's profile owner."); 7753 } 7754 } 7755 } 7756 7757 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 7758 DevicePolicyData policy = getUserData(userHandle); 7759 policy.mLockTaskPackages = packages; 7760 7761 // Store the settings persistently. 7762 saveSettingsLocked(userHandle); 7763 updateLockTaskPackagesLocked(packages, userHandle); 7764 } 7765 7766 /** 7767 * This function returns the list of components allowed to start the task lock mode. 7768 */ 7769 @Override 7770 public String[] getLockTaskPackages(ComponentName who) { 7771 Preconditions.checkNotNull(who, "ComponentName is null"); 7772 synchronized (this) { 7773 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7774 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7775 final List<String> packages = getLockTaskPackagesLocked(userHandle); 7776 return packages.toArray(new String[packages.size()]); 7777 } 7778 } 7779 7780 private List<String> getLockTaskPackagesLocked(int userHandle) { 7781 final DevicePolicyData policy = getUserData(userHandle); 7782 return policy.mLockTaskPackages; 7783 } 7784 7785 /** 7786 * This function lets the caller know whether the given package is allowed to start the 7787 * lock task mode. 7788 * @param pkg The package to check 7789 */ 7790 @Override 7791 public boolean isLockTaskPermitted(String pkg) { 7792 // Get current user's devicepolicy 7793 int uid = mInjector.binderGetCallingUid(); 7794 int userHandle = UserHandle.getUserId(uid); 7795 DevicePolicyData policy = getUserData(userHandle); 7796 synchronized (this) { 7797 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 7798 String lockTaskPackage = policy.mLockTaskPackages.get(i); 7799 7800 // If the given package equals one of the packages stored our list, 7801 // we allow this package to start lock task mode. 7802 if (lockTaskPackage.equals(pkg)) { 7803 return true; 7804 } 7805 } 7806 } 7807 return false; 7808 } 7809 7810 @Override 7811 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 7812 if (!isCallerWithSystemUid()) { 7813 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 7814 } 7815 synchronized (this) { 7816 final DevicePolicyData policy = getUserData(userHandle); 7817 Bundle adminExtras = new Bundle(); 7818 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 7819 for (ActiveAdmin admin : policy.mAdminList) { 7820 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 7821 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 7822 if (ownsDevice || ownsProfile) { 7823 if (isEnabled) { 7824 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 7825 adminExtras, null); 7826 } else { 7827 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 7828 } 7829 } 7830 } 7831 } 7832 } 7833 7834 @Override 7835 public void setGlobalSetting(ComponentName who, String setting, String value) { 7836 Preconditions.checkNotNull(who, "ComponentName is null"); 7837 7838 synchronized (this) { 7839 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7840 7841 // Some settings are no supported any more. However we do not want to throw a 7842 // SecurityException to avoid breaking apps. 7843 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 7844 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 7845 return; 7846 } 7847 7848 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 7849 throw new SecurityException(String.format( 7850 "Permission denial: device owners cannot update %1$s", setting)); 7851 } 7852 7853 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 7854 // ignore if it contradicts an existing policy 7855 long timeMs = getMaximumTimeToLock( 7856 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 7857 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 7858 return; 7859 } 7860 } 7861 7862 long id = mInjector.binderClearCallingIdentity(); 7863 try { 7864 mInjector.settingsGlobalPutString(setting, value); 7865 } finally { 7866 mInjector.binderRestoreCallingIdentity(id); 7867 } 7868 } 7869 } 7870 7871 @Override 7872 public void setSecureSetting(ComponentName who, String setting, String value) { 7873 Preconditions.checkNotNull(who, "ComponentName is null"); 7874 int callingUserId = mInjector.userHandleGetCallingUserId(); 7875 7876 synchronized (this) { 7877 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7878 7879 if (isDeviceOwner(who, callingUserId)) { 7880 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 7881 throw new SecurityException(String.format( 7882 "Permission denial: Device owners cannot update %1$s", setting)); 7883 } 7884 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 7885 throw new SecurityException(String.format( 7886 "Permission denial: Profile owners cannot update %1$s", setting)); 7887 } 7888 7889 long id = mInjector.binderClearCallingIdentity(); 7890 try { 7891 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 7892 } finally { 7893 mInjector.binderRestoreCallingIdentity(id); 7894 } 7895 } 7896 } 7897 7898 @Override 7899 public void setMasterVolumeMuted(ComponentName who, boolean on) { 7900 Preconditions.checkNotNull(who, "ComponentName is null"); 7901 synchronized (this) { 7902 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7903 int userId = UserHandle.getCallingUserId(); 7904 long identity = mInjector.binderClearCallingIdentity(); 7905 try { 7906 IAudioService iAudioService = IAudioService.Stub.asInterface( 7907 ServiceManager.getService(Context.AUDIO_SERVICE)); 7908 iAudioService.setMasterMute(on, 0, mContext.getPackageName(), userId); 7909 } catch (RemoteException re) { 7910 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 7911 } finally { 7912 mInjector.binderRestoreCallingIdentity(identity); 7913 } 7914 } 7915 } 7916 7917 @Override 7918 public boolean isMasterVolumeMuted(ComponentName who) { 7919 Preconditions.checkNotNull(who, "ComponentName is null"); 7920 synchronized (this) { 7921 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7922 7923 AudioManager audioManager = 7924 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 7925 return audioManager.isMasterMute(); 7926 } 7927 } 7928 7929 @Override 7930 public void setUserIcon(ComponentName who, Bitmap icon) { 7931 synchronized (this) { 7932 Preconditions.checkNotNull(who, "ComponentName is null"); 7933 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7934 7935 int userId = UserHandle.getCallingUserId(); 7936 long id = mInjector.binderClearCallingIdentity(); 7937 try { 7938 mUserManagerInternal.setUserIcon(userId, icon); 7939 } finally { 7940 mInjector.binderRestoreCallingIdentity(id); 7941 } 7942 } 7943 } 7944 7945 @Override 7946 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 7947 Preconditions.checkNotNull(who, "ComponentName is null"); 7948 synchronized (this) { 7949 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7950 } 7951 final int userId = UserHandle.getCallingUserId(); 7952 7953 long ident = mInjector.binderClearCallingIdentity(); 7954 try { 7955 // disallow disabling the keyguard if a password is currently set 7956 if (disabled && mLockPatternUtils.isSecure(userId)) { 7957 return false; 7958 } 7959 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 7960 } finally { 7961 mInjector.binderRestoreCallingIdentity(ident); 7962 } 7963 return true; 7964 } 7965 7966 @Override 7967 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 7968 int userId = UserHandle.getCallingUserId(); 7969 synchronized (this) { 7970 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7971 DevicePolicyData policy = getUserData(userId); 7972 if (policy.mStatusBarDisabled != disabled) { 7973 if (!setStatusBarDisabledInternal(disabled, userId)) { 7974 return false; 7975 } 7976 policy.mStatusBarDisabled = disabled; 7977 saveSettingsLocked(userId); 7978 } 7979 } 7980 return true; 7981 } 7982 7983 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 7984 long ident = mInjector.binderClearCallingIdentity(); 7985 try { 7986 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 7987 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 7988 if (statusBarService != null) { 7989 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 7990 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 7991 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 7992 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 7993 return true; 7994 } 7995 } catch (RemoteException e) { 7996 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 7997 } finally { 7998 mInjector.binderRestoreCallingIdentity(ident); 7999 } 8000 return false; 8001 } 8002 8003 /** 8004 * We need to update the internal state of whether a user has completed setup once. After 8005 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 8006 * as we don't trust any apps that might try to reset it. 8007 * <p> 8008 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8009 * them. 8010 */ 8011 void updateUserSetupComplete() { 8012 List<UserInfo> users = mUserManager.getUsers(true); 8013 final int N = users.size(); 8014 for (int i = 0; i < N; i++) { 8015 int userHandle = users.get(i).id; 8016 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8017 userHandle) != 0) { 8018 DevicePolicyData policy = getUserData(userHandle); 8019 if (!policy.mUserSetupComplete) { 8020 policy.mUserSetupComplete = true; 8021 synchronized (this) { 8022 saveSettingsLocked(userHandle); 8023 } 8024 } 8025 } 8026 } 8027 } 8028 8029 private class SetupContentObserver extends ContentObserver { 8030 8031 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8032 Settings.Secure.USER_SETUP_COMPLETE); 8033 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8034 Settings.Global.DEVICE_PROVISIONED); 8035 8036 public SetupContentObserver(Handler handler) { 8037 super(handler); 8038 } 8039 8040 void register() { 8041 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8042 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8043 } 8044 8045 @Override 8046 public void onChange(boolean selfChange, Uri uri) { 8047 if (mUserSetupComplete.equals(uri)) { 8048 updateUserSetupComplete(); 8049 } else if (mDeviceProvisioned.equals(uri)) { 8050 synchronized (DevicePolicyManagerService.this) { 8051 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8052 // is delayed until device is marked as provisioned. 8053 setDeviceOwnerSystemPropertyLocked(); 8054 } 8055 } 8056 } 8057 } 8058 8059 @VisibleForTesting 8060 final class LocalService extends DevicePolicyManagerInternal { 8061 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8062 8063 @Override 8064 public List<String> getCrossProfileWidgetProviders(int profileId) { 8065 synchronized (DevicePolicyManagerService.this) { 8066 if (mOwners == null) { 8067 return Collections.emptyList(); 8068 } 8069 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8070 if (ownerComponent == null) { 8071 return Collections.emptyList(); 8072 } 8073 8074 DevicePolicyData policy = getUserDataUnchecked(profileId); 8075 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8076 8077 if (admin == null || admin.crossProfileWidgetProviders == null 8078 || admin.crossProfileWidgetProviders.isEmpty()) { 8079 return Collections.emptyList(); 8080 } 8081 8082 return admin.crossProfileWidgetProviders; 8083 } 8084 } 8085 8086 @Override 8087 public void addOnCrossProfileWidgetProvidersChangeListener( 8088 OnCrossProfileWidgetProvidersChangeListener listener) { 8089 synchronized (DevicePolicyManagerService.this) { 8090 if (mWidgetProviderListeners == null) { 8091 mWidgetProviderListeners = new ArrayList<>(); 8092 } 8093 if (!mWidgetProviderListeners.contains(listener)) { 8094 mWidgetProviderListeners.add(listener); 8095 } 8096 } 8097 } 8098 8099 @Override 8100 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8101 synchronized(DevicePolicyManagerService.this) { 8102 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8103 } 8104 } 8105 8106 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8107 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8108 synchronized (DevicePolicyManagerService.this) { 8109 listeners = new ArrayList<>(mWidgetProviderListeners); 8110 } 8111 final int listenerCount = listeners.size(); 8112 for (int i = 0; i < listenerCount; i++) { 8113 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8114 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8115 } 8116 } 8117 8118 @Override 8119 public boolean hasDeviceOwnerOrProfileOwner(String packageName, int userId) { 8120 if (!mHasFeature || packageName == null) { 8121 return false; 8122 } 8123 if (userId < 0) { 8124 throw new UnsupportedOperationException("userId should be >= 0"); 8125 } 8126 synchronized (DevicePolicyManagerService.this) { 8127 if (packageName.equals(mOwners.getProfileOwnerPackage(userId))) { 8128 return true; 8129 } 8130 if (userId == mOwners.getDeviceOwnerUserId() 8131 && packageName.equals(mOwners.getDeviceOwnerPackageName())) { 8132 return true; 8133 } 8134 } 8135 return false; 8136 } 8137 8138 @Override 8139 public Intent createPackageSuspendedDialogIntent(String packageName, int userId) { 8140 Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8141 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8142 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8143 synchronized (DevicePolicyManagerService.this) { 8144 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8145 if (profileOwner != null) { 8146 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, profileOwner); 8147 return intent; 8148 } 8149 8150 if (mOwners.getDeviceOwnerUserId() == userId) { 8151 ComponentName deviceOwner = mOwners.getDeviceOwnerComponent(); 8152 if (deviceOwner != null) { 8153 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, deviceOwner); 8154 return intent; 8155 } 8156 } 8157 } 8158 // We're not specifying the device admin because there isn't one. 8159 return intent; 8160 } 8161 } 8162 8163 /** 8164 * Returns true if specified admin is allowed to limit passwords and has a 8165 * {@code passwordQuality} of at least {@code minPasswordQuality} 8166 */ 8167 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8168 if (admin.passwordQuality < minPasswordQuality) { 8169 return false; 8170 } 8171 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8172 } 8173 8174 @Override 8175 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8176 if (policy != null && !policy.isValid()) { 8177 throw new IllegalArgumentException("Invalid system update policy."); 8178 } 8179 synchronized (this) { 8180 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8181 if (policy == null) { 8182 mOwners.clearSystemUpdatePolicy(); 8183 } else { 8184 mOwners.setSystemUpdatePolicy(policy); 8185 } 8186 mOwners.writeDeviceOwner(); 8187 } 8188 mContext.sendBroadcastAsUser( 8189 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8190 UserHandle.SYSTEM); 8191 } 8192 8193 @Override 8194 public SystemUpdatePolicy getSystemUpdatePolicy() { 8195 synchronized (this) { 8196 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8197 if (policy != null && !policy.isValid()) { 8198 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8199 return null; 8200 } 8201 return policy; 8202 } 8203 } 8204 8205 /** 8206 * Checks if the caller of the method is the device owner app. 8207 * 8208 * @param callerUid UID of the caller. 8209 * @return true if the caller is the device owner app 8210 */ 8211 @VisibleForTesting 8212 boolean isCallerDeviceOwner(int callerUid) { 8213 synchronized (this) { 8214 if (!mOwners.hasDeviceOwner()) { 8215 return false; 8216 } 8217 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8218 return false; 8219 } 8220 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8221 .getPackageName(); 8222 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 8223 8224 for (String pkg : pkgs) { 8225 if (deviceOwnerPackageName.equals(pkg)) { 8226 return true; 8227 } 8228 } 8229 } 8230 8231 return false; 8232 } 8233 8234 @Override 8235 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8236 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8237 "Only the system update service can broadcast update information"); 8238 8239 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8240 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8241 "can broadcast update information."); 8242 return; 8243 } 8244 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8245 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8246 updateReceivedTime); 8247 8248 synchronized (this) { 8249 final String deviceOwnerPackage = 8250 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 8251 : null; 8252 if (deviceOwnerPackage == null) { 8253 return; 8254 } 8255 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 8256 8257 ActivityInfo[] receivers = null; 8258 try { 8259 receivers = mContext.getPackageManager().getPackageInfo( 8260 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 8261 } catch (NameNotFoundException e) { 8262 Log.e(LOG_TAG, "Cannot find device owner package", e); 8263 } 8264 if (receivers != null) { 8265 long ident = mInjector.binderClearCallingIdentity(); 8266 try { 8267 for (int i = 0; i < receivers.length; i++) { 8268 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 8269 intent.setComponent(new ComponentName(deviceOwnerPackage, 8270 receivers[i].name)); 8271 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8272 } 8273 } 8274 } finally { 8275 mInjector.binderRestoreCallingIdentity(ident); 8276 } 8277 } 8278 } 8279 } 8280 8281 @Override 8282 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8283 int userId = UserHandle.getCallingUserId(); 8284 synchronized (this) { 8285 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8286 DevicePolicyData userPolicy = getUserData(userId); 8287 if (userPolicy.mPermissionPolicy != policy) { 8288 userPolicy.mPermissionPolicy = policy; 8289 saveSettingsLocked(userId); 8290 } 8291 } 8292 } 8293 8294 @Override 8295 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8296 int userId = UserHandle.getCallingUserId(); 8297 synchronized (this) { 8298 DevicePolicyData userPolicy = getUserData(userId); 8299 return userPolicy.mPermissionPolicy; 8300 } 8301 } 8302 8303 @Override 8304 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8305 String permission, int grantState) throws RemoteException { 8306 UserHandle user = mInjector.binderGetCallingUserHandle(); 8307 synchronized (this) { 8308 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8309 long ident = mInjector.binderClearCallingIdentity(); 8310 try { 8311 if (getTargetSdk(packageName, user.getIdentifier()) 8312 < android.os.Build.VERSION_CODES.M) { 8313 return false; 8314 } 8315 final PackageManager packageManager = mContext.getPackageManager(); 8316 switch (grantState) { 8317 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8318 packageManager.grantRuntimePermission(packageName, permission, user); 8319 packageManager.updatePermissionFlags(permission, packageName, 8320 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8321 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8322 } break; 8323 8324 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8325 packageManager.revokeRuntimePermission(packageName, 8326 permission, user); 8327 packageManager.updatePermissionFlags(permission, packageName, 8328 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8329 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8330 } break; 8331 8332 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8333 packageManager.updatePermissionFlags(permission, packageName, 8334 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8335 } break; 8336 } 8337 return true; 8338 } catch (SecurityException se) { 8339 return false; 8340 } finally { 8341 mInjector.binderRestoreCallingIdentity(ident); 8342 } 8343 } 8344 } 8345 8346 @Override 8347 public int getPermissionGrantState(ComponentName admin, String packageName, 8348 String permission) throws RemoteException { 8349 PackageManager packageManager = mContext.getPackageManager(); 8350 8351 UserHandle user = mInjector.binderGetCallingUserHandle(); 8352 synchronized (this) { 8353 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8354 long ident = mInjector.binderClearCallingIdentity(); 8355 try { 8356 int granted = mIPackageManager.checkPermission(permission, 8357 packageName, user.getIdentifier()); 8358 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8359 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8360 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8361 // Not controlled by policy 8362 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8363 } else { 8364 // Policy controlled so return result based on permission grant state 8365 return granted == PackageManager.PERMISSION_GRANTED 8366 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8367 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8368 } 8369 } finally { 8370 mInjector.binderRestoreCallingIdentity(ident); 8371 } 8372 } 8373 } 8374 8375 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8376 try { 8377 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8378 userHandle); 8379 return (pi != null) && (pi.applicationInfo.flags != 0); 8380 } catch (RemoteException re) { 8381 throw new RuntimeException("Package manager has died", re); 8382 } 8383 } 8384 8385 @Override 8386 public boolean isProvisioningAllowed(String action) { 8387 if (!mHasFeature) { 8388 return false; 8389 } 8390 8391 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8392 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 8393 if (!hasFeatureManagedUsers()) { 8394 return false; 8395 } 8396 synchronized (this) { 8397 if (mOwners.hasDeviceOwner()) { 8398 if (!mInjector.userManagerIsSplitSystemUser()) { 8399 // Only split-system-user systems support managed-profiles in combination with 8400 // device-owner. 8401 return false; 8402 } 8403 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 8404 // Only system device-owner supports managed-profiles. Non-system device-owner 8405 // doesn't. 8406 return false; 8407 } 8408 if (callingUserId == UserHandle.USER_SYSTEM) { 8409 // Managed-profiles cannot be setup on the system user, only regular users. 8410 return false; 8411 } 8412 } 8413 } 8414 if (getProfileOwner(callingUserId) != null) { 8415 // Managed user cannot have a managed profile. 8416 return false; 8417 } 8418 final long ident = mInjector.binderClearCallingIdentity(); 8419 try { 8420 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 8421 return false; 8422 } 8423 } finally { 8424 mInjector.binderRestoreCallingIdentity(ident); 8425 } 8426 return true; 8427 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 8428 return isDeviceOwnerProvisioningAllowed(callingUserId); 8429 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 8430 if (!hasFeatureManagedUsers()) { 8431 return false; 8432 } 8433 if (!mInjector.userManagerIsSplitSystemUser()) { 8434 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 8435 return false; 8436 } 8437 if (callingUserId == UserHandle.USER_SYSTEM) { 8438 // System user cannot be a managed user. 8439 return false; 8440 } 8441 if (hasUserSetupCompleted(callingUserId)) { 8442 return false; 8443 } 8444 return true; 8445 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 8446 if (!mInjector.userManagerIsSplitSystemUser()) { 8447 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 8448 return false; 8449 } 8450 return isDeviceOwnerProvisioningAllowed(callingUserId); 8451 } 8452 throw new IllegalArgumentException("Unknown provisioning action " + action); 8453 } 8454 8455 /* 8456 * The device owner can only be set before the setup phase of the primary user has completed, 8457 * except for adb command if no accounts or additional users are present on the device. 8458 */ 8459 private synchronized @DeviceOwnerPreConditionCode int checkSetDeviceOwnerPreCondition( 8460 int deviceOwnerUserId, boolean isAdb) { 8461 if (mOwners.hasDeviceOwner()) { 8462 return CODE_HAS_DEVICE_OWNER; 8463 } 8464 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8465 return CODE_USER_HAS_PROFILE_OWNER; 8466 } 8467 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8468 return CODE_USER_NOT_RUNNING; 8469 } 8470 if (isAdb) { 8471 // if shell command runs after user setup completed check device status. Otherwise, OK. 8472 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8473 if (!mInjector.userManagerIsSplitSystemUser()) { 8474 if (mUserManager.getUserCount() > 1) { 8475 return CODE_NONSYSTEM_USER_EXISTS; 8476 } 8477 if (AccountManager.get(mContext).getAccounts().length > 0) { 8478 return CODE_ACCOUNTS_NOT_EMPTY; 8479 } 8480 } else { 8481 // STOPSHIP Do proper check in split user mode 8482 } 8483 } 8484 return CODE_OK; 8485 } else { 8486 if (!mInjector.userManagerIsSplitSystemUser()) { 8487 // In non-split user mode, DO has to be user 0 8488 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8489 return CODE_NOT_SYSTEM_USER; 8490 } 8491 // In non-split user mode, only provision DO before setup wizard completes 8492 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8493 return CODE_USER_SETUP_COMPLETED; 8494 } 8495 } else { 8496 // STOPSHIP Do proper check in split user mode 8497 } 8498 return CODE_OK; 8499 } 8500 } 8501 8502 private boolean isDeviceOwnerProvisioningAllowed(int deviceOwnerUserId) { 8503 return CODE_OK == checkSetDeviceOwnerPreCondition(deviceOwnerUserId, /* isAdb */ false); 8504 } 8505 8506 private boolean hasFeatureManagedUsers() { 8507 try { 8508 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 8509 } catch (RemoteException e) { 8510 return false; 8511 } 8512 } 8513 8514 @Override 8515 public String getWifiMacAddress(ComponentName admin) { 8516 // Make sure caller has DO. 8517 synchronized (this) { 8518 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8519 } 8520 8521 final long ident = mInjector.binderClearCallingIdentity(); 8522 try { 8523 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 8524 if (wifiInfo == null) { 8525 return null; 8526 } 8527 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 8528 } finally { 8529 mInjector.binderRestoreCallingIdentity(ident); 8530 } 8531 } 8532 8533 /** 8534 * Returns the target sdk version number that the given packageName was built for 8535 * in the given user. 8536 */ 8537 private int getTargetSdk(String packageName, int userId) { 8538 final ApplicationInfo ai; 8539 try { 8540 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 8541 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 8542 return targetSdkVersion; 8543 } catch (RemoteException e) { 8544 // Shouldn't happen 8545 return 0; 8546 } 8547 } 8548 8549 @Override 8550 public boolean isManagedProfile(ComponentName admin) { 8551 synchronized (this) { 8552 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8553 } 8554 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8555 final UserInfo user = getUserInfo(callingUserId); 8556 return user != null && user.isManagedProfile(); 8557 } 8558 8559 @Override 8560 public boolean isSystemOnlyUser(ComponentName admin) { 8561 synchronized (this) { 8562 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8563 } 8564 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8565 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 8566 } 8567 8568 @Override 8569 public void reboot(ComponentName admin) { 8570 Preconditions.checkNotNull(admin); 8571 // Make sure caller has DO. 8572 synchronized (this) { 8573 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8574 } 8575 long ident = mInjector.binderClearCallingIdentity(); 8576 try { 8577 // Make sure there are no ongoing calls on the device. 8578 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 8579 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 8580 } 8581 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 8582 } finally { 8583 mInjector.binderRestoreCallingIdentity(ident); 8584 } 8585 } 8586 8587 @Override 8588 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 8589 if (!mHasFeature) { 8590 return; 8591 } 8592 Preconditions.checkNotNull(who, "ComponentName is null"); 8593 final int userHandle = mInjector.userHandleGetCallingUserId(); 8594 synchronized (this) { 8595 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8596 mInjector.binderGetCallingUid()); 8597 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 8598 admin.shortSupportMessage = message; 8599 saveSettingsLocked(userHandle); 8600 } 8601 } 8602 } 8603 8604 @Override 8605 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 8606 if (!mHasFeature) { 8607 return null; 8608 } 8609 Preconditions.checkNotNull(who, "ComponentName is null"); 8610 synchronized (this) { 8611 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8612 mInjector.binderGetCallingUid()); 8613 return admin.shortSupportMessage; 8614 } 8615 } 8616 8617 @Override 8618 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 8619 if (!mHasFeature) { 8620 return; 8621 } 8622 Preconditions.checkNotNull(who, "ComponentName is null"); 8623 final int userHandle = mInjector.userHandleGetCallingUserId(); 8624 synchronized (this) { 8625 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8626 mInjector.binderGetCallingUid()); 8627 if (!TextUtils.equals(admin.longSupportMessage, message)) { 8628 admin.longSupportMessage = message; 8629 saveSettingsLocked(userHandle); 8630 } 8631 } 8632 } 8633 8634 @Override 8635 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 8636 if (!mHasFeature) { 8637 return null; 8638 } 8639 Preconditions.checkNotNull(who, "ComponentName is null"); 8640 synchronized (this) { 8641 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8642 mInjector.binderGetCallingUid()); 8643 return admin.longSupportMessage; 8644 } 8645 } 8646 8647 @Override 8648 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8649 if (!mHasFeature) { 8650 return null; 8651 } 8652 Preconditions.checkNotNull(who, "ComponentName is null"); 8653 if (!isCallerWithSystemUid()) { 8654 throw new SecurityException("Only the system can query support message for user"); 8655 } 8656 synchronized (this) { 8657 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8658 if (admin != null) { 8659 return admin.shortSupportMessage; 8660 } 8661 } 8662 return null; 8663 } 8664 8665 @Override 8666 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8667 if (!mHasFeature) { 8668 return null; 8669 } 8670 Preconditions.checkNotNull(who, "ComponentName is null"); 8671 if (!isCallerWithSystemUid()) { 8672 throw new SecurityException("Only the system can query support message for user"); 8673 } 8674 synchronized (this) { 8675 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8676 if (admin != null) { 8677 return admin.longSupportMessage; 8678 } 8679 } 8680 return null; 8681 } 8682 8683 @Override 8684 public void setOrganizationColor(@NonNull ComponentName who, int color) { 8685 if (!mHasFeature) { 8686 return; 8687 } 8688 Preconditions.checkNotNull(who, "ComponentName is null"); 8689 final int userHandle = mInjector.userHandleGetCallingUserId(); 8690 enforceManagedProfile(userHandle, "set organization color"); 8691 synchronized (this) { 8692 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8693 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8694 admin.organizationColor = color; 8695 saveSettingsLocked(userHandle); 8696 } 8697 } 8698 8699 @Override 8700 public void setOrganizationColorForUser(int color, int userId) { 8701 if (!mHasFeature) { 8702 return; 8703 } 8704 enforceFullCrossUsersPermission(userId); 8705 enforceManageUsers(); 8706 enforceManagedProfile(userId, "set organization color"); 8707 synchronized (this) { 8708 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8709 admin.organizationColor = color; 8710 saveSettingsLocked(userId); 8711 } 8712 } 8713 8714 @Override 8715 public int getOrganizationColor(@NonNull ComponentName who) { 8716 if (!mHasFeature) { 8717 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8718 } 8719 Preconditions.checkNotNull(who, "ComponentName is null"); 8720 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 8721 synchronized (this) { 8722 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8723 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8724 return admin.organizationColor; 8725 } 8726 } 8727 8728 @Override 8729 public int getOrganizationColorForUser(int userHandle) { 8730 if (!mHasFeature) { 8731 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8732 } 8733 enforceFullCrossUsersPermission(userHandle); 8734 enforceManagedProfile(userHandle, "get organization color"); 8735 synchronized (this) { 8736 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8737 return (profileOwner != null) 8738 ? profileOwner.organizationColor 8739 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 8740 } 8741 } 8742 8743 @Override 8744 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 8745 if (!mHasFeature) { 8746 return; 8747 } 8748 Preconditions.checkNotNull(who, "ComponentName is null"); 8749 final int userHandle = mInjector.userHandleGetCallingUserId(); 8750 enforceManagedProfile(userHandle, "set organization name"); 8751 synchronized (this) { 8752 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8753 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8754 if (!TextUtils.equals(admin.organizationName, text)) { 8755 admin.organizationName = (text == null || text.length() == 0) 8756 ? null : text.toString(); 8757 saveSettingsLocked(userHandle); 8758 } 8759 } 8760 } 8761 8762 @Override 8763 public CharSequence getOrganizationName(@NonNull ComponentName who) { 8764 if (!mHasFeature) { 8765 return null; 8766 } 8767 Preconditions.checkNotNull(who, "ComponentName is null"); 8768 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 8769 synchronized(this) { 8770 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8771 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8772 return admin.organizationName; 8773 } 8774 } 8775 8776 @Override 8777 public CharSequence getOrganizationNameForUser(int userHandle) { 8778 if (!mHasFeature) { 8779 return null; 8780 } 8781 enforceFullCrossUsersPermission(userHandle); 8782 enforceManagedProfile(userHandle, "get organization name"); 8783 synchronized (this) { 8784 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8785 return (profileOwner != null) 8786 ? profileOwner.organizationName 8787 : null; 8788 } 8789 } 8790 8791 @Override 8792 public void setAffiliationIds(ComponentName admin, List<String> ids) { 8793 final Set<String> affiliationIds = new ArraySet<String>(ids); 8794 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8795 8796 synchronized (this) { 8797 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8798 getUserData(callingUserId).mAffiliationIds = affiliationIds; 8799 saveSettingsLocked(callingUserId); 8800 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 8801 // Affiliation ids specified by the device owner are additionally stored in 8802 // UserHandle.USER_SYSTEM's DevicePolicyData. 8803 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 8804 saveSettingsLocked(UserHandle.USER_SYSTEM); 8805 } 8806 } 8807 } 8808 8809 @Override 8810 public boolean isAffiliatedUser() { 8811 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8812 8813 synchronized (this) { 8814 if (mOwners.getDeviceOwnerUserId() == callingUserId) { 8815 // The user that the DO is installed on is always affiliated. 8816 return true; 8817 } 8818 final ComponentName profileOwner = getProfileOwner(callingUserId); 8819 if (profileOwner == null 8820 || !profileOwner.getPackageName().equals(mOwners.getDeviceOwnerPackageName())) { 8821 return false; 8822 } 8823 final Set<String> userAffiliationIds = getUserData(callingUserId).mAffiliationIds; 8824 final Set<String> deviceAffiliationIds = 8825 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 8826 for (String id : userAffiliationIds) { 8827 if (deviceAffiliationIds.contains(id)) { 8828 return true; 8829 } 8830 } 8831 } 8832 return false; 8833 } 8834 8835 private synchronized void disableSecurityLoggingIfNotCompliant() { 8836 if (!isDeviceOwnerManagedSingleUserDevice()) { 8837 mInjector.securityLogSetLoggingEnabledProperty(false); 8838 Slog.w(LOG_TAG, "Security logging turned off as it's no longer a single user device."); 8839 } 8840 } 8841 8842 @Override 8843 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 8844 Preconditions.checkNotNull(admin); 8845 ensureDeviceOwnerManagingSingleUser(admin); 8846 8847 synchronized (this) { 8848 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 8849 return; 8850 } 8851 mInjector.securityLogSetLoggingEnabledProperty(enabled); 8852 if (enabled) { 8853 mSecurityLogMonitor.start(); 8854 } else { 8855 mSecurityLogMonitor.stop(); 8856 } 8857 } 8858 } 8859 8860 @Override 8861 public boolean isSecurityLoggingEnabled(ComponentName admin) { 8862 Preconditions.checkNotNull(admin); 8863 synchronized (this) { 8864 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8865 return mInjector.securityLogGetLoggingEnabledProperty(); 8866 } 8867 } 8868 8869 @Override 8870 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 8871 Preconditions.checkNotNull(admin); 8872 ensureDeviceOwnerManagingSingleUser(admin); 8873 8874 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs)) { 8875 return null; 8876 } 8877 8878 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 8879 try { 8880 SecurityLog.readPreviousEvents(output); 8881 return new ParceledListSlice<SecurityEvent>(output); 8882 } catch (IOException e) { 8883 Slog.w(LOG_TAG, "Fail to read previous events" , e); 8884 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 8885 } 8886 } 8887 8888 @Override 8889 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 8890 Preconditions.checkNotNull(admin); 8891 ensureDeviceOwnerManagingSingleUser(admin); 8892 8893 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 8894 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 8895 } 8896 8897 private void enforceCanManageDeviceAdmin() { 8898 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 8899 null); 8900 } 8901 8902 private void enforceCanManageProfileAndDeviceOwners() { 8903 mContext.enforceCallingOrSelfPermission( 8904 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 8905 } 8906 8907 @Override 8908 public boolean isUninstallInQueue(final String packageName) { 8909 enforceCanManageDeviceAdmin(); 8910 final int userId = mInjector.userHandleGetCallingUserId(); 8911 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8912 synchronized (this) { 8913 return mPackagesToRemove.contains(packageUserPair); 8914 } 8915 } 8916 8917 @Override 8918 public void uninstallPackageWithActiveAdmins(final String packageName) { 8919 enforceCanManageDeviceAdmin(); 8920 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 8921 8922 final int userId = mInjector.userHandleGetCallingUserId(); 8923 8924 enforceUserUnlocked(userId); 8925 8926 final ComponentName profileOwner = getProfileOwner(userId); 8927 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 8928 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 8929 } 8930 8931 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 8932 if (getDeviceOwnerUserId() == userId && deviceOwner != null 8933 && packageName.equals(deviceOwner.getPackageName())) { 8934 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 8935 } 8936 8937 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8938 synchronized (this) { 8939 mPackagesToRemove.add(packageUserPair); 8940 } 8941 8942 // All active admins on the user. 8943 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 8944 8945 // Active admins in the target package. 8946 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 8947 if (allActiveAdmins != null) { 8948 for (ComponentName activeAdmin : allActiveAdmins) { 8949 if (packageName.equals(activeAdmin.getPackageName())) { 8950 packageActiveAdmins.add(activeAdmin); 8951 removeActiveAdmin(activeAdmin, userId); 8952 } 8953 } 8954 } 8955 if (packageActiveAdmins.size() == 0) { 8956 startUninstallIntent(packageName, userId); 8957 } else { 8958 mHandler.postDelayed(new Runnable() { 8959 @Override 8960 public void run() { 8961 for (ComponentName activeAdmin : packageActiveAdmins) { 8962 removeAdminArtifacts(activeAdmin, userId); 8963 } 8964 startUninstallIntent(packageName, userId); 8965 } 8966 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 8967 } 8968 } 8969 8970 private void removePackageIfRequired(final String packageName, final int userId) { 8971 if (!packageHasActiveAdmins(packageName, userId)) { 8972 // Will not do anything if uninstall was not requested or was already started. 8973 startUninstallIntent(packageName, userId); 8974 } 8975 } 8976 8977 private void startUninstallIntent(final String packageName, final int userId) { 8978 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8979 synchronized (this) { 8980 if (!mPackagesToRemove.contains(packageUserPair)) { 8981 // Do nothing if uninstall was not requested or was already started. 8982 return; 8983 } 8984 mPackagesToRemove.remove(packageUserPair); 8985 } 8986 try { 8987 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 8988 // Package does not exist. Nothing to do. 8989 return; 8990 } 8991 } catch (RemoteException re) { 8992 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 8993 } 8994 8995 try { // force stop the package before uninstalling 8996 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 8997 } catch (RemoteException re) { 8998 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 8999 } 9000 final Uri packageURI = Uri.parse("package:" + packageName); 9001 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9002 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9003 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9004 } 9005 9006 /** 9007 * Removes the admin from the policy. Ideally called after the admin's 9008 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9009 * 9010 * @param adminReceiver The admin to remove 9011 * @param userHandle The user for which this admin has to be removed. 9012 */ 9013 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9014 synchronized (this) { 9015 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9016 if (admin == null) { 9017 return; 9018 } 9019 final DevicePolicyData policy = getUserData(userHandle); 9020 final boolean doProxyCleanup = admin.info.usesPolicy( 9021 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9022 policy.mAdminList.remove(admin); 9023 policy.mAdminMap.remove(adminReceiver); 9024 validatePasswordOwnerLocked(policy); 9025 if (doProxyCleanup) { 9026 resetGlobalProxyLocked(policy); 9027 } 9028 saveSettingsLocked(userHandle); 9029 updateMaximumTimeToLockLocked(userHandle); 9030 policy.mRemovingAdmins.remove(adminReceiver); 9031 } 9032 // The removed admin might have disabled camera, so update user 9033 // restrictions. 9034 pushUserRestrictions(userHandle); 9035 } 9036} 9037