DevicePolicyManagerService.java revision d07438f300a0321bde09b3fffafa6ffd8771269b
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; 24import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 25import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 26import static org.xmlpull.v1.XmlPullParser.END_TAG; 27import static org.xmlpull.v1.XmlPullParser.TEXT; 28 29import com.google.android.collect.Sets; 30 31import android.Manifest.permission; 32import android.accessibilityservice.AccessibilityServiceInfo; 33import android.accounts.AccountManager; 34import android.annotation.NonNull; 35import android.app.Activity; 36import android.app.ActivityManager; 37import android.app.ActivityManagerNative; 38import android.app.AlarmManager; 39import android.app.AppGlobals; 40import android.app.IActivityManager; 41import android.app.Notification; 42import android.app.NotificationManager; 43import android.app.PendingIntent; 44import android.app.StatusBarManager; 45import android.app.admin.DeviceAdminInfo; 46import android.app.admin.DeviceAdminReceiver; 47import android.app.admin.DevicePolicyManager; 48import android.app.admin.DevicePolicyManagerInternal; 49import android.app.admin.IDevicePolicyManager; 50import android.app.admin.SystemUpdatePolicy; 51import android.app.backup.IBackupManager; 52import android.content.BroadcastReceiver; 53import android.content.ComponentName; 54import android.content.ContentResolver; 55import android.content.Context; 56import android.content.Intent; 57import android.content.IntentFilter; 58import android.content.pm.ActivityInfo; 59import android.content.pm.ApplicationInfo; 60import android.content.pm.IPackageManager; 61import android.content.pm.PackageInfo; 62import android.content.pm.PackageManager; 63import android.content.pm.PackageManager.NameNotFoundException; 64import android.content.pm.PackageManagerInternal; 65import android.content.pm.ResolveInfo; 66import android.content.pm.ServiceInfo; 67import android.content.pm.UserInfo; 68import android.database.ContentObserver; 69import android.graphics.Bitmap; 70import android.graphics.Color; 71import android.media.AudioManager; 72import android.media.IAudioService; 73import android.net.ConnectivityManager; 74import android.net.ProxyInfo; 75import android.net.Uri; 76import android.net.wifi.WifiInfo; 77import android.net.wifi.WifiManager; 78import android.os.AsyncTask; 79import android.os.Binder; 80import android.os.Build; 81import android.os.Bundle; 82import android.os.Environment; 83import android.os.FileUtils; 84import android.os.Handler; 85import android.os.IBinder; 86import android.os.Looper; 87import android.os.ParcelFileDescriptor; 88import android.os.PersistableBundle; 89import android.os.PowerManager; 90import android.os.PowerManagerInternal; 91import android.os.Process; 92import android.os.RecoverySystem; 93import android.os.RemoteCallback; 94import android.os.RemoteException; 95import android.os.ServiceManager; 96import android.os.SystemClock; 97import android.os.SystemProperties; 98import android.os.UserHandle; 99import android.os.UserManager; 100import android.os.UserManagerInternal; 101import android.os.storage.StorageManager; 102import android.provider.ContactsContract.QuickContact; 103import android.provider.ContactsInternal; 104import android.provider.Settings; 105import android.security.Credentials; 106import android.security.IKeyChainAliasCallback; 107import android.security.IKeyChainService; 108import android.security.KeyChain; 109import android.security.KeyChain.KeyChainConnection; 110import android.service.persistentdata.PersistentDataBlockManager; 111import android.text.TextUtils; 112import android.util.ArrayMap; 113import android.util.ArraySet; 114import android.util.Log; 115import android.util.Slog; 116import android.util.SparseArray; 117import android.util.Xml; 118import android.view.IWindowManager; 119import android.view.accessibility.AccessibilityManager; 120import android.view.accessibility.IAccessibilityManager; 121import android.view.inputmethod.InputMethodInfo; 122import android.view.inputmethod.InputMethodManager; 123 124import com.android.internal.R; 125import com.android.internal.annotations.VisibleForTesting; 126import com.android.internal.statusbar.IStatusBarService; 127import com.android.internal.util.FastXmlSerializer; 128import com.android.internal.util.JournaledFile; 129import com.android.internal.util.Preconditions; 130import com.android.internal.util.XmlUtils; 131import com.android.internal.widget.LockPatternUtils; 132import com.android.server.LocalServices; 133import com.android.server.SystemService; 134import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 135import com.android.server.pm.UserRestrictionsUtils; 136 137import org.xmlpull.v1.XmlPullParser; 138import org.xmlpull.v1.XmlPullParserException; 139import org.xmlpull.v1.XmlSerializer; 140 141import java.io.ByteArrayInputStream; 142import java.io.File; 143import java.io.FileDescriptor; 144import java.io.FileInputStream; 145import java.io.FileNotFoundException; 146import java.io.FileOutputStream; 147import java.io.IOException; 148import java.io.PrintWriter; 149import java.nio.charset.StandardCharsets; 150import java.security.cert.CertificateException; 151import java.security.cert.CertificateFactory; 152import java.security.cert.X509Certificate; 153import java.text.DateFormat; 154import java.util.ArrayList; 155import java.util.Arrays; 156import java.util.Collections; 157import java.util.Date; 158import java.util.List; 159import java.util.Map.Entry; 160import java.util.Set; 161import java.util.concurrent.atomic.AtomicBoolean; 162 163/** 164 * Implementation of the device policy APIs. 165 */ 166public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 167 168 private static final String LOG_TAG = "DevicePolicyManagerService"; 169 170 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 171 172 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 173 174 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 175 176 private static final String TAG_STATUS_BAR = "statusbar"; 177 178 private static final String ATTR_DISABLED = "disabled"; 179 180 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 181 "do-not-ask-credentials-on-boot"; 182 183 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 184 185 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 186 187 private static final String ATTR_VALUE = "value"; 188 189 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 190 191 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 192 193 private static final long MS_PER_DAY = 86400 * 1000; 194 195 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 196 197 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 198 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 199 200 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 201 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 202 203 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 204 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 205 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 206 207 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 208 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 209 = "application-restrictions-manager"; 210 211 private static final int STATUS_BAR_DISABLE_MASK = 212 StatusBarManager.DISABLE_EXPAND | 213 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 214 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 215 StatusBarManager.DISABLE_SEARCH; 216 217 private static final int STATUS_BAR_DISABLE2_MASK = 218 StatusBarManager.DISABLE2_QUICK_SETTINGS; 219 220 private static final Set<String> SECURE_SETTINGS_WHITELIST; 221 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 222 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 223 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 224 static { 225 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 226 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 227 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 228 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 229 230 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 231 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 232 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 233 234 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 235 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 236 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 237 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 238 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 239 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 240 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 241 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 242 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 243 244 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 245 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 246 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 247 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 248 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 249 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 250 } 251 252 /** Keyguard features that when set on a profile will affect the profiles parent user. */ 253 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 254 // STOPSHIP If the work challenge supports fingerprint, move DISABLE_FINGERPRINT 255 // to PROFILE_KEYGUARD_FEATURES_AFFECT_PROFILE? 256 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 257 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 258 259 /** Keyguard features that when set on a profile affect the profile content or challenge only */ 260 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_PROFILE = 261 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 262 263 /** Keyguard features that are allowed to be set on a managed profile */ 264 private static final int PROFILE_KEYGUARD_FEATURES = 265 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_AFFECT_PROFILE; 266 267 final Context mContext; 268 final Injector mInjector; 269 final IPackageManager mIPackageManager; 270 final UserManager mUserManager; 271 final UserManagerInternal mUserManagerInternal; 272 private final LockPatternUtils mLockPatternUtils; 273 274 final LocalService mLocalService; 275 276 // Stores and loads state on device and profile owners. 277 @VisibleForTesting 278 final Owners mOwners; 279 280 private final Binder mToken = new Binder(); 281 282 /** 283 * Whether or not device admin feature is supported. If it isn't return defaults for all 284 * public methods. 285 */ 286 private boolean mHasFeature; 287 288 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 289 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 290 291 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 292 @Override 293 public void run() { 294 if(mRemoteBugreportServiceIsActive.get()) { 295 onBugreportFailed(); 296 } 297 } 298 }; 299 300 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 301 302 @Override 303 public void onReceive(Context context, Intent intent) { 304 if (RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 305 && mRemoteBugreportServiceIsActive.get()) { 306 onBugreportFinished(intent); 307 } 308 } 309 }; 310 311 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 312 313 @Override 314 public void onReceive(Context context, Intent intent) { 315 String action = intent.getAction(); 316 mInjector.getNotificationManager().cancel(LOG_TAG, 317 RemoteBugreportUtils.REMOTE_BUGREPORT_CONSENT_NOTIFICATION_ID); 318 if (RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 319 onBugreportSharingAccepted(); 320 } else if (RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_DECLINED 321 .equals(action)) { 322 onBugreportSharingDeclined(); 323 } 324 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 325 } 326 }; 327 328 public static final class Lifecycle extends SystemService { 329 private DevicePolicyManagerService mService; 330 331 public Lifecycle(Context context) { 332 super(context); 333 mService = new DevicePolicyManagerService(context); 334 } 335 336 @Override 337 public void onStart() { 338 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 339 } 340 341 @Override 342 public void onBootPhase(int phase) { 343 mService.systemReady(phase); 344 } 345 346 @Override 347 public void onStartUser(int userHandle) { 348 mService.onStartUser(userHandle); 349 } 350 } 351 352 public static class DevicePolicyData { 353 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 354 int mActivePasswordLength = 0; 355 int mActivePasswordUpperCase = 0; 356 int mActivePasswordLowerCase = 0; 357 int mActivePasswordLetters = 0; 358 int mActivePasswordNumeric = 0; 359 int mActivePasswordSymbols = 0; 360 int mActivePasswordNonLetter = 0; 361 int mFailedPasswordAttempts = 0; 362 363 int mUserHandle; 364 int mPasswordOwner = -1; 365 long mLastMaximumTimeToLock = -1; 366 boolean mUserSetupComplete = false; 367 int mPermissionPolicy; 368 369 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 370 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 371 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 372 373 // This is the list of component allowed to start lock task mode. 374 List<String> mLockTaskPackages = new ArrayList<>(); 375 376 boolean mStatusBarDisabled = false; 377 378 ComponentName mRestrictionsProvider; 379 380 String mDelegatedCertInstallerPackage; 381 382 boolean doNotAskCredentialsOnBoot = false; 383 384 String mApplicationRestrictionsManagingPackage; 385 386 Set<String> mAffiliationIds = new ArraySet<>(); 387 388 // Used for initialization of users created by createAndManageUsers. 389 boolean mAdminBroadcastPending = false; 390 PersistableBundle mInitBundle = null; 391 392 public DevicePolicyData(int userHandle) { 393 mUserHandle = userHandle; 394 } 395 } 396 397 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 398 399 final Handler mHandler; 400 401 BroadcastReceiver mReceiver = new BroadcastReceiver() { 402 @Override 403 public void onReceive(Context context, Intent intent) { 404 final String action = intent.getAction(); 405 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 406 getSendingUserId()); 407 408 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 409 && userHandle == mOwners.getDeviceOwnerUserId() 410 && getDeviceOwnerRemoteBugreportUri() != null) { 411 IntentFilter filterConsent = new IntentFilter(); 412 filterConsent.addAction( 413 RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_DECLINED); 414 filterConsent.addAction( 415 RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_ACCEPTED); 416 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 417 mInjector.getNotificationManager().notify( 418 LOG_TAG, RemoteBugreportUtils.REMOTE_BUGREPORT_CONSENT_NOTIFICATION_ID, 419 RemoteBugreportUtils.buildRemoteBugreportConsentNotification(mContext)); 420 } 421 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 422 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 423 if (VERBOSE_LOG) { 424 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 425 + action + " for user " + userHandle); 426 } 427 mHandler.post(new Runnable() { 428 @Override 429 public void run() { 430 handlePasswordExpirationNotification(userHandle); 431 } 432 }); 433 } 434 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 435 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 436 new MonitoringCertNotificationTask().execute(intent); 437 } 438 if (Intent.ACTION_USER_REMOVED.equals(action)) { 439 removeUserData(userHandle); 440 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 441 synchronized (DevicePolicyManagerService.this) { 442 // Reset the policy data 443 mUserData.remove(userHandle); 444 sendAdminEnabledBroadcastLocked(userHandle); 445 } 446 handlePackagesChanged(null /* check all admins */, userHandle); 447 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 448 handlePackagesChanged(null /* check all admins */, userHandle); 449 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 450 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 451 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 452 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 453 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 454 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 455 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 456 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 457 clearWipeProfileNotification(); 458 } 459 } 460 }; 461 462 static class ActiveAdmin { 463 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 464 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 465 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 466 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 467 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 468 = "disable-bt-contacts-sharing"; 469 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 470 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 471 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 472 private static final String TAG_ACCOUNT_TYPE = "account-type"; 473 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 474 = "permitted-accessiblity-services"; 475 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 476 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 477 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 478 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 479 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 480 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 481 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 482 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 483 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 484 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 485 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 486 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 487 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 488 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 489 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 490 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 491 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 492 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 493 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 494 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 495 private static final String ATTR_VALUE = "value"; 496 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 497 private static final String TAG_POLICIES = "policies"; 498 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 499 "cross-profile-widget-providers"; 500 private static final String TAG_PROVIDER = "provider"; 501 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 502 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 503 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 504 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 505 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 506 private static final String TAG_PARENT_ADMIN = "parent-admin"; 507 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 508 509 final DeviceAdminInfo info; 510 511 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 512 513 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 514 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 515 516 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 517 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 518 519 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 520 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 521 522 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 523 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 524 525 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 526 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 527 528 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 529 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 530 531 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 532 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 533 534 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 535 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 536 537 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 538 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 539 540 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 541 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 542 543 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 544 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 545 546 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 547 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 548 549 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 550 551 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 552 553 boolean encryptionRequested = false; 554 boolean disableCamera = false; 555 boolean disableCallerId = false; 556 boolean disableContactsSearch = false; 557 boolean disableBluetoothContactSharing = true; 558 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 559 boolean requireAutoTime = false; // Can only be set by a device owner. 560 561 ActiveAdmin parentAdmin; 562 final boolean isParent; 563 564 static class TrustAgentInfo { 565 public PersistableBundle options; 566 TrustAgentInfo(PersistableBundle bundle) { 567 options = bundle; 568 } 569 } 570 571 Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 572 573 // The list of permitted accessibility services package namesas set by a profile 574 // or device owner. Null means all accessibility services are allowed, empty means 575 // none except system services are allowed. 576 List<String> permittedAccessiblityServices; 577 578 // The list of permitted input methods package names as set by a profile or device owner. 579 // Null means all input methods are allowed, empty means none except system imes are 580 // allowed. 581 List<String> permittedInputMethods; 582 583 // List of package names to keep cached. 584 List<String> keepUninstalledPackages; 585 586 // TODO: review implementation decisions with frameworks team 587 boolean specifiesGlobalProxy = false; 588 String globalProxySpec = null; 589 String globalProxyExclusionList = null; 590 591 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 592 593 List<String> crossProfileWidgetProviders; 594 595 Bundle userRestrictions; 596 597 // Support text provided by the admin to display to the user. 598 String shortSupportMessage = null; 599 String longSupportMessage = null; 600 601 // Background color of confirm credentials screen. Default: gray. 602 static final int DEF_ORGANIZATION_COLOR = Color.GRAY; 603 int organizationColor = DEF_ORGANIZATION_COLOR; 604 605 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 606 info = _info; 607 isParent = parent; 608 } 609 610 ActiveAdmin getParentActiveAdmin() { 611 Preconditions.checkState(!isParent); 612 613 if (parentAdmin == null) { 614 parentAdmin = new ActiveAdmin(info, /* parent */ true); 615 } 616 return parentAdmin; 617 } 618 619 boolean hasParentActiveAdmin() { 620 return parentAdmin != null; 621 } 622 623 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 624 625 public UserHandle getUserHandle() { 626 return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 627 } 628 629 void writeToXml(XmlSerializer out) 630 throws IllegalArgumentException, IllegalStateException, IOException { 631 out.startTag(null, TAG_POLICIES); 632 info.writePoliciesToXml(out); 633 out.endTag(null, TAG_POLICIES); 634 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 635 out.startTag(null, TAG_PASSWORD_QUALITY); 636 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 637 out.endTag(null, TAG_PASSWORD_QUALITY); 638 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 639 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 640 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 641 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 642 } 643 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 644 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 645 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 646 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 647 } 648 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 649 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 650 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 651 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 652 } 653 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 654 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 655 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 656 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 657 } 658 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 659 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 660 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 661 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 662 } 663 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 664 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 665 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 666 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 667 } 668 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 669 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 670 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 671 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 672 } 673 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 674 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 675 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 676 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 677 } 678 } 679 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 680 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 681 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 682 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 683 } 684 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 685 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 686 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 687 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 688 } 689 if (specifiesGlobalProxy) { 690 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 691 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 692 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 693 if (globalProxySpec != null) { 694 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 695 out.attribute(null, ATTR_VALUE, globalProxySpec); 696 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 697 } 698 if (globalProxyExclusionList != null) { 699 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 700 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 701 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 702 } 703 } 704 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 705 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 706 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 707 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 708 } 709 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 710 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 711 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 712 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 713 } 714 if (encryptionRequested) { 715 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 716 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 717 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 718 } 719 if (disableCamera) { 720 out.startTag(null, TAG_DISABLE_CAMERA); 721 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 722 out.endTag(null, TAG_DISABLE_CAMERA); 723 } 724 if (disableCallerId) { 725 out.startTag(null, TAG_DISABLE_CALLER_ID); 726 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 727 out.endTag(null, TAG_DISABLE_CALLER_ID); 728 } 729 if (disableContactsSearch) { 730 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 731 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 732 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 733 } 734 if (disableBluetoothContactSharing) { 735 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 736 out.attribute(null, ATTR_VALUE, 737 Boolean.toString(disableBluetoothContactSharing)); 738 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 739 } 740 if (disableScreenCapture) { 741 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 742 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 743 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 744 } 745 if (requireAutoTime) { 746 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 747 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 748 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 749 } 750 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 751 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 752 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 753 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 754 } 755 if (!accountTypesWithManagementDisabled.isEmpty()) { 756 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 757 for (String ac : accountTypesWithManagementDisabled) { 758 out.startTag(null, TAG_ACCOUNT_TYPE); 759 out.attribute(null, ATTR_VALUE, ac); 760 out.endTag(null, TAG_ACCOUNT_TYPE); 761 } 762 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 763 } 764 if (!trustAgentInfos.isEmpty()) { 765 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 766 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 767 for (Entry<String, TrustAgentInfo> entry : set) { 768 TrustAgentInfo trustAgentInfo = entry.getValue(); 769 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 770 out.attribute(null, ATTR_VALUE, entry.getKey()); 771 if (trustAgentInfo.options != null) { 772 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 773 try { 774 trustAgentInfo.options.saveToXml(out); 775 } catch (XmlPullParserException e) { 776 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 777 } 778 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 779 } 780 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 781 } 782 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 783 } 784 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 785 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 786 final int providerCount = crossProfileWidgetProviders.size(); 787 for (int i = 0; i < providerCount; i++) { 788 String provider = crossProfileWidgetProviders.get(i); 789 out.startTag(null, TAG_PROVIDER); 790 out.attribute(null, ATTR_VALUE, provider); 791 out.endTag(null, TAG_PROVIDER); 792 } 793 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 794 } 795 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 796 permittedAccessiblityServices); 797 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 798 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 799 if (hasUserRestrictions()) { 800 UserRestrictionsUtils.writeRestrictions( 801 out, userRestrictions, TAG_USER_RESTRICTIONS); 802 } 803 if (!TextUtils.isEmpty(shortSupportMessage)) { 804 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 805 out.text(shortSupportMessage); 806 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 807 } 808 if (!TextUtils.isEmpty(longSupportMessage)) { 809 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 810 out.text(longSupportMessage); 811 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 812 } 813 if (parentAdmin != null) { 814 out.startTag(null, TAG_PARENT_ADMIN); 815 parentAdmin.writeToXml(out); 816 out.endTag(null, TAG_PARENT_ADMIN); 817 } 818 if (organizationColor != DEF_ORGANIZATION_COLOR) { 819 out.startTag(null, TAG_ORGANIZATION_COLOR); 820 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 821 out.endTag(null, TAG_ORGANIZATION_COLOR); 822 } 823 } 824 825 void writePackageListToXml(XmlSerializer out, String outerTag, 826 List<String> packageList) 827 throws IllegalArgumentException, IllegalStateException, IOException { 828 if (packageList == null) { 829 return; 830 } 831 832 out.startTag(null, outerTag); 833 for (String packageName : packageList) { 834 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 835 out.attribute(null, ATTR_VALUE, packageName); 836 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 837 } 838 out.endTag(null, outerTag); 839 } 840 841 void readFromXml(XmlPullParser parser) 842 throws XmlPullParserException, IOException { 843 int outerDepth = parser.getDepth(); 844 int type; 845 while ((type=parser.next()) != END_DOCUMENT 846 && (type != END_TAG || parser.getDepth() > outerDepth)) { 847 if (type == END_TAG || type == TEXT) { 848 continue; 849 } 850 String tag = parser.getName(); 851 if (TAG_POLICIES.equals(tag)) { 852 info.readPoliciesFromXml(parser); 853 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 854 passwordQuality = Integer.parseInt( 855 parser.getAttributeValue(null, ATTR_VALUE)); 856 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 857 minimumPasswordLength = Integer.parseInt( 858 parser.getAttributeValue(null, ATTR_VALUE)); 859 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 860 passwordHistoryLength = Integer.parseInt( 861 parser.getAttributeValue(null, ATTR_VALUE)); 862 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 863 minimumPasswordUpperCase = Integer.parseInt( 864 parser.getAttributeValue(null, ATTR_VALUE)); 865 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 866 minimumPasswordLowerCase = Integer.parseInt( 867 parser.getAttributeValue(null, ATTR_VALUE)); 868 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 869 minimumPasswordLetters = Integer.parseInt( 870 parser.getAttributeValue(null, ATTR_VALUE)); 871 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 872 minimumPasswordNumeric = Integer.parseInt( 873 parser.getAttributeValue(null, ATTR_VALUE)); 874 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 875 minimumPasswordSymbols = Integer.parseInt( 876 parser.getAttributeValue(null, ATTR_VALUE)); 877 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 878 minimumPasswordNonLetter = Integer.parseInt( 879 parser.getAttributeValue(null, ATTR_VALUE)); 880 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 881 maximumTimeToUnlock = Long.parseLong( 882 parser.getAttributeValue(null, ATTR_VALUE)); 883 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 884 maximumFailedPasswordsForWipe = Integer.parseInt( 885 parser.getAttributeValue(null, ATTR_VALUE)); 886 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 887 specifiesGlobalProxy = Boolean.parseBoolean( 888 parser.getAttributeValue(null, ATTR_VALUE)); 889 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 890 globalProxySpec = 891 parser.getAttributeValue(null, ATTR_VALUE); 892 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 893 globalProxyExclusionList = 894 parser.getAttributeValue(null, ATTR_VALUE); 895 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 896 passwordExpirationTimeout = Long.parseLong( 897 parser.getAttributeValue(null, ATTR_VALUE)); 898 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 899 passwordExpirationDate = Long.parseLong( 900 parser.getAttributeValue(null, ATTR_VALUE)); 901 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 902 encryptionRequested = Boolean.parseBoolean( 903 parser.getAttributeValue(null, ATTR_VALUE)); 904 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 905 disableCamera = Boolean.parseBoolean( 906 parser.getAttributeValue(null, ATTR_VALUE)); 907 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 908 disableCallerId = Boolean.parseBoolean( 909 parser.getAttributeValue(null, ATTR_VALUE)); 910 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 911 disableContactsSearch = Boolean.parseBoolean( 912 parser.getAttributeValue(null, ATTR_VALUE)); 913 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 914 disableBluetoothContactSharing = Boolean.parseBoolean(parser 915 .getAttributeValue(null, ATTR_VALUE)); 916 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 917 disableScreenCapture = Boolean.parseBoolean( 918 parser.getAttributeValue(null, ATTR_VALUE)); 919 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 920 requireAutoTime= Boolean.parseBoolean( 921 parser.getAttributeValue(null, ATTR_VALUE)); 922 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 923 disabledKeyguardFeatures = Integer.parseInt( 924 parser.getAttributeValue(null, ATTR_VALUE)); 925 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 926 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 927 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 928 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 929 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 930 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 931 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 932 permittedAccessiblityServices = readPackageList(parser, tag); 933 } else if (TAG_PERMITTED_IMES.equals(tag)) { 934 permittedInputMethods = readPackageList(parser, tag); 935 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 936 keepUninstalledPackages = readPackageList(parser, tag); 937 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 938 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 939 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 940 type = parser.next(); 941 if (type == XmlPullParser.TEXT) { 942 shortSupportMessage = parser.getText(); 943 } else { 944 Log.w(LOG_TAG, "Missing text when loading short support message"); 945 } 946 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 947 type = parser.next(); 948 if (type == XmlPullParser.TEXT) { 949 longSupportMessage = parser.getText(); 950 } else { 951 Log.w(LOG_TAG, "Missing text when loading long support message"); 952 } 953 } else if (TAG_PARENT_ADMIN.equals(tag)) { 954 Preconditions.checkState(!isParent); 955 956 parentAdmin = new ActiveAdmin(info, /* parent */ true); 957 parentAdmin.readFromXml(parser); 958 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 959 organizationColor = Integer.parseInt( 960 parser.getAttributeValue(null, ATTR_VALUE)); 961 } else { 962 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 963 XmlUtils.skipCurrentTag(parser); 964 } 965 } 966 } 967 968 private List<String> readPackageList(XmlPullParser parser, 969 String tag) throws XmlPullParserException, IOException { 970 List<String> result = new ArrayList<String>(); 971 int outerDepth = parser.getDepth(); 972 int outerType; 973 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 974 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 975 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 976 continue; 977 } 978 String outerTag = parser.getName(); 979 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 980 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 981 if (packageName != null) { 982 result.add(packageName); 983 } else { 984 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 985 } 986 } else { 987 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 988 } 989 } 990 return result; 991 } 992 993 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 994 throws XmlPullParserException, IOException { 995 int outerDepthDAM = parser.getDepth(); 996 int typeDAM; 997 Set<String> result = new ArraySet<>(); 998 while ((typeDAM=parser.next()) != END_DOCUMENT 999 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1000 if (typeDAM == END_TAG || typeDAM == TEXT) { 1001 continue; 1002 } 1003 String tagDAM = parser.getName(); 1004 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 1005 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1006 } else { 1007 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1008 } 1009 } 1010 return result; 1011 } 1012 1013 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1014 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1015 int outerDepthDAM = parser.getDepth(); 1016 int typeDAM; 1017 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1018 while ((typeDAM=parser.next()) != END_DOCUMENT 1019 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1020 if (typeDAM == END_TAG || typeDAM == TEXT) { 1021 continue; 1022 } 1023 String tagDAM = parser.getName(); 1024 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1025 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1026 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1027 result.put(component, trustAgentInfo); 1028 } else { 1029 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1030 } 1031 } 1032 return result; 1033 } 1034 1035 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1036 throws XmlPullParserException, IOException { 1037 int outerDepthDAM = parser.getDepth(); 1038 int typeDAM; 1039 TrustAgentInfo result = new TrustAgentInfo(null); 1040 while ((typeDAM=parser.next()) != END_DOCUMENT 1041 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1042 if (typeDAM == END_TAG || typeDAM == TEXT) { 1043 continue; 1044 } 1045 String tagDAM = parser.getName(); 1046 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1047 PersistableBundle bundle = new PersistableBundle(); 1048 bundle.restoreFromXml(parser); 1049 result.options = bundle; 1050 } else { 1051 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1052 } 1053 } 1054 return result; 1055 } 1056 1057 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 1058 throws XmlPullParserException, IOException { 1059 int outerDepthDAM = parser.getDepth(); 1060 int typeDAM; 1061 ArrayList<String> result = null; 1062 while ((typeDAM=parser.next()) != END_DOCUMENT 1063 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1064 if (typeDAM == END_TAG || typeDAM == TEXT) { 1065 continue; 1066 } 1067 String tagDAM = parser.getName(); 1068 if (TAG_PROVIDER.equals(tagDAM)) { 1069 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 1070 if (result == null) { 1071 result = new ArrayList<>(); 1072 } 1073 result.add(provider); 1074 } else { 1075 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1076 } 1077 } 1078 return result; 1079 } 1080 1081 boolean hasUserRestrictions() { 1082 return userRestrictions != null && userRestrictions.size() > 0; 1083 } 1084 1085 Bundle ensureUserRestrictions() { 1086 if (userRestrictions == null) { 1087 userRestrictions = new Bundle(); 1088 } 1089 return userRestrictions; 1090 } 1091 1092 void dump(String prefix, PrintWriter pw) { 1093 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1094 pw.print(prefix); pw.println("policies:"); 1095 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1096 if (pols != null) { 1097 for (int i=0; i<pols.size(); i++) { 1098 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1099 } 1100 } 1101 pw.print(prefix); pw.print("passwordQuality=0x"); 1102 pw.println(Integer.toHexString(passwordQuality)); 1103 pw.print(prefix); pw.print("minimumPasswordLength="); 1104 pw.println(minimumPasswordLength); 1105 pw.print(prefix); pw.print("passwordHistoryLength="); 1106 pw.println(passwordHistoryLength); 1107 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1108 pw.println(minimumPasswordUpperCase); 1109 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1110 pw.println(minimumPasswordLowerCase); 1111 pw.print(prefix); pw.print("minimumPasswordLetters="); 1112 pw.println(minimumPasswordLetters); 1113 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1114 pw.println(minimumPasswordNumeric); 1115 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1116 pw.println(minimumPasswordSymbols); 1117 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1118 pw.println(minimumPasswordNonLetter); 1119 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1120 pw.println(maximumTimeToUnlock); 1121 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1122 pw.println(maximumFailedPasswordsForWipe); 1123 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1124 pw.println(specifiesGlobalProxy); 1125 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1126 pw.println(passwordExpirationTimeout); 1127 pw.print(prefix); pw.print("passwordExpirationDate="); 1128 pw.println(passwordExpirationDate); 1129 if (globalProxySpec != null) { 1130 pw.print(prefix); pw.print("globalProxySpec="); 1131 pw.println(globalProxySpec); 1132 } 1133 if (globalProxyExclusionList != null) { 1134 pw.print(prefix); pw.print("globalProxyEclusionList="); 1135 pw.println(globalProxyExclusionList); 1136 } 1137 pw.print(prefix); pw.print("encryptionRequested="); 1138 pw.println(encryptionRequested); 1139 pw.print(prefix); pw.print("disableCamera="); 1140 pw.println(disableCamera); 1141 pw.print(prefix); pw.print("disableCallerId="); 1142 pw.println(disableCallerId); 1143 pw.print(prefix); pw.print("disableContactsSearch="); 1144 pw.println(disableContactsSearch); 1145 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1146 pw.println(disableBluetoothContactSharing); 1147 pw.print(prefix); pw.print("disableScreenCapture="); 1148 pw.println(disableScreenCapture); 1149 pw.print(prefix); pw.print("requireAutoTime="); 1150 pw.println(requireAutoTime); 1151 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1152 pw.println(disabledKeyguardFeatures); 1153 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1154 pw.println(crossProfileWidgetProviders); 1155 if (permittedAccessiblityServices != null) { 1156 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1157 pw.println(permittedAccessiblityServices); 1158 } 1159 if (permittedInputMethods != null) { 1160 pw.print(prefix); pw.print("permittedInputMethods="); 1161 pw.println(permittedInputMethods); 1162 } 1163 if (keepUninstalledPackages != null) { 1164 pw.print(prefix); pw.print("keepUninstalledPackages="); 1165 pw.println(keepUninstalledPackages); 1166 } 1167 pw.print(prefix); pw.println("userRestrictions:"); 1168 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1169 pw.print(prefix); pw.print("isParent="); 1170 pw.println(isParent); 1171 if (parentAdmin != null) { 1172 pw.print(prefix); pw.println("parentAdmin:"); 1173 parentAdmin.dump(prefix + " ", pw); 1174 } 1175 } 1176 } 1177 1178 private void handlePackagesChanged(String packageName, int userHandle) { 1179 boolean removed = false; 1180 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1181 DevicePolicyData policy = getUserData(userHandle); 1182 synchronized (this) { 1183 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1184 ActiveAdmin aa = policy.mAdminList.get(i); 1185 try { 1186 // If we're checking all packages or if the specific one we're checking matches, 1187 // then check if the package and receiver still exist. 1188 final String adminPackage = aa.info.getPackageName(); 1189 if (packageName == null || packageName.equals(adminPackage)) { 1190 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1191 || mIPackageManager.getReceiverInfo( 1192 aa.info.getComponent(), 0, userHandle) == null) { 1193 removed = true; 1194 policy.mAdminList.remove(i); 1195 policy.mAdminMap.remove(aa.info.getComponent()); 1196 } 1197 } 1198 } catch (RemoteException re) { 1199 // Shouldn't happen 1200 } 1201 } 1202 if (removed) { 1203 validatePasswordOwnerLocked(policy); 1204 saveSettingsLocked(policy.mUserHandle); 1205 } 1206 1207 // Check if delegated cert installer or app restrictions managing packages are removed. 1208 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1209 policy.mDelegatedCertInstallerPackage = null; 1210 saveSettingsLocked(policy.mUserHandle); 1211 } 1212 if (isRemovedPackage( 1213 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1214 policy.mApplicationRestrictionsManagingPackage = null; 1215 saveSettingsLocked(policy.mUserHandle); 1216 } 1217 } 1218 if (removed) { 1219 // The removed admin might have disabled camera, so update user restrictions. 1220 pushUserRestrictions(userHandle); 1221 } 1222 } 1223 1224 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1225 try { 1226 return targetPackage != null 1227 && (changedPackage == null || changedPackage.equals(targetPackage)) 1228 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1229 } catch (RemoteException e) { 1230 // Shouldn't happen 1231 } 1232 1233 return false; 1234 } 1235 1236 /** 1237 * Unit test will subclass it to inject mocks. 1238 */ 1239 @VisibleForTesting 1240 static class Injector { 1241 1242 private final Context mContext; 1243 1244 Injector(Context context) { 1245 mContext = context; 1246 } 1247 1248 Owners newOwners() { 1249 return new Owners(mContext, getUserManager(), getUserManagerInternal()); 1250 } 1251 1252 UserManager getUserManager() { 1253 return UserManager.get(mContext); 1254 } 1255 1256 UserManagerInternal getUserManagerInternal() { 1257 return LocalServices.getService(UserManagerInternal.class); 1258 } 1259 1260 PackageManagerInternal getPackageManagerInternal() { 1261 return LocalServices.getService(PackageManagerInternal.class); 1262 } 1263 1264 NotificationManager getNotificationManager() { 1265 return mContext.getSystemService(NotificationManager.class); 1266 } 1267 1268 PowerManagerInternal getPowerManagerInternal() { 1269 return LocalServices.getService(PowerManagerInternal.class); 1270 } 1271 1272 IWindowManager getIWindowManager() { 1273 return IWindowManager.Stub 1274 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1275 } 1276 1277 IActivityManager getIActivityManager() { 1278 return ActivityManagerNative.getDefault(); 1279 } 1280 1281 IPackageManager getIPackageManager() { 1282 return AppGlobals.getPackageManager(); 1283 } 1284 1285 IBackupManager getIBackupManager() { 1286 return IBackupManager.Stub.asInterface( 1287 ServiceManager.getService(Context.BACKUP_SERVICE)); 1288 } 1289 1290 IAudioService getIAudioService() { 1291 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1292 } 1293 1294 LockPatternUtils newLockPatternUtils() { 1295 return new LockPatternUtils(mContext); 1296 } 1297 1298 Looper getMyLooper() { 1299 return Looper.myLooper(); 1300 } 1301 1302 WifiManager getWifiManager() { 1303 return mContext.getSystemService(WifiManager.class); 1304 } 1305 1306 long binderClearCallingIdentity() { 1307 return Binder.clearCallingIdentity(); 1308 } 1309 1310 void binderRestoreCallingIdentity(long token) { 1311 Binder.restoreCallingIdentity(token); 1312 } 1313 1314 int binderGetCallingUid() { 1315 return Binder.getCallingUid(); 1316 } 1317 1318 int binderGetCallingPid() { 1319 return Binder.getCallingPid(); 1320 } 1321 1322 UserHandle binderGetCallingUserHandle() { 1323 return Binder.getCallingUserHandle(); 1324 } 1325 1326 boolean binderIsCallingUidMyUid() { 1327 return getCallingUid() == Process.myUid(); 1328 } 1329 1330 final int userHandleGetCallingUserId() { 1331 return UserHandle.getUserId(binderGetCallingUid()); 1332 } 1333 1334 File environmentGetUserSystemDirectory(int userId) { 1335 return Environment.getUserSystemDirectory(userId); 1336 } 1337 1338 void powerManagerGoToSleep(long time, int reason, int flags) { 1339 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1340 } 1341 1342 void powerManagerReboot(String reason) { 1343 mContext.getSystemService(PowerManager.class).reboot(reason); 1344 } 1345 1346 boolean systemPropertiesGetBoolean(String key, boolean def) { 1347 return SystemProperties.getBoolean(key, def); 1348 } 1349 1350 long systemPropertiesGetLong(String key, long def) { 1351 return SystemProperties.getLong(key, def); 1352 } 1353 1354 String systemPropertiesGet(String key, String def) { 1355 return SystemProperties.get(key, def); 1356 } 1357 1358 String systemPropertiesGet(String key) { 1359 return SystemProperties.get(key); 1360 } 1361 1362 void systemPropertiesSet(String key, String value) { 1363 SystemProperties.set(key, value); 1364 } 1365 1366 boolean userManagerIsSplitSystemUser() { 1367 return UserManager.isSplitSystemUser(); 1368 } 1369 1370 String getDevicePolicyFilePathForSystemUser() { 1371 return "/data/system/"; 1372 } 1373 1374 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1375 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1376 name, def, userHandle); 1377 } 1378 1379 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1380 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1381 name, value, userHandle); 1382 } 1383 1384 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1385 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1386 name, value, userHandle); 1387 } 1388 1389 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1390 Settings.Global.putStringForUser(mContext.getContentResolver(), 1391 name, value, userHandle); 1392 } 1393 1394 void settingsSecurePutInt(String name, int value) { 1395 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1396 } 1397 1398 int settingsGlobalGetInt(String name, int def) { 1399 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1400 } 1401 1402 void settingsGlobalPutInt(String name, int value) { 1403 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1404 } 1405 1406 void settingsSecurePutString(String name, String value) { 1407 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1408 } 1409 1410 void settingsGlobalPutString(String name, String value) { 1411 Settings.Global.putString(mContext.getContentResolver(), name, value); 1412 } 1413 } 1414 1415 /** 1416 * Instantiates the service. 1417 */ 1418 public DevicePolicyManagerService(Context context) { 1419 this(new Injector(context)); 1420 } 1421 1422 @VisibleForTesting 1423 DevicePolicyManagerService(Injector injector) { 1424 mInjector = injector; 1425 mContext = Preconditions.checkNotNull(injector.mContext); 1426 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1427 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1428 1429 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1430 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1431 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1432 1433 mLocalService = new LocalService(); 1434 mLockPatternUtils = injector.newLockPatternUtils(); 1435 1436 mHasFeature = mContext.getPackageManager() 1437 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1438 if (!mHasFeature) { 1439 // Skip the rest of the initialization 1440 return; 1441 } 1442 IntentFilter filter = new IntentFilter(); 1443 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1444 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1445 filter.addAction(Intent.ACTION_USER_REMOVED); 1446 filter.addAction(Intent.ACTION_USER_STARTED); 1447 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1448 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1449 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1450 filter = new IntentFilter(); 1451 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1452 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1453 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1454 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1455 filter.addDataScheme("package"); 1456 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1457 filter = new IntentFilter(); 1458 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1459 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1460 1461 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1462 } 1463 1464 /** 1465 * Creates and loads the policy data from xml. 1466 * @param userHandle the user for whom to load the policy data 1467 * @return 1468 */ 1469 @NonNull 1470 DevicePolicyData getUserData(int userHandle) { 1471 synchronized (this) { 1472 DevicePolicyData policy = mUserData.get(userHandle); 1473 if (policy == null) { 1474 policy = new DevicePolicyData(userHandle); 1475 mUserData.append(userHandle, policy); 1476 loadSettingsLocked(policy, userHandle); 1477 } 1478 return policy; 1479 } 1480 } 1481 1482 /** 1483 * Creates and loads the policy data from xml for data that is shared between 1484 * various profiles of a user. In contrast to {@link #getUserData(int)} 1485 * it allows access to data of users other than the calling user. 1486 * 1487 * This function should only be used for shared data, e.g. everything regarding 1488 * passwords and should be removed once multiple screen locks are present. 1489 * @param userHandle the user for whom to load the policy data 1490 * @return 1491 */ 1492 DevicePolicyData getUserDataUnchecked(int userHandle) { 1493 long ident = mInjector.binderClearCallingIdentity(); 1494 try { 1495 return getUserData(userHandle); 1496 } finally { 1497 mInjector.binderRestoreCallingIdentity(ident); 1498 } 1499 } 1500 1501 void removeUserData(int userHandle) { 1502 synchronized (this) { 1503 if (userHandle == UserHandle.USER_SYSTEM) { 1504 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1505 return; 1506 } 1507 mOwners.removeProfileOwner(userHandle); 1508 mOwners.writeProfileOwner(userHandle); 1509 1510 DevicePolicyData policy = mUserData.get(userHandle); 1511 if (policy != null) { 1512 mUserData.remove(userHandle); 1513 } 1514 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1515 DEVICE_POLICIES_XML); 1516 policyFile.delete(); 1517 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1518 } 1519 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1520 } 1521 1522 void loadOwners() { 1523 synchronized (this) { 1524 mOwners.load(); 1525 findOwnerComponentIfNecessaryLocked(); 1526 migrateUserRestrictionsIfNecessaryLocked(); 1527 1528 // TODO PO may not have a class name either due to b/17652534. Address that too. 1529 1530 updateDeviceOwnerLocked(); 1531 } 1532 } 1533 1534 private void findOwnerComponentIfNecessaryLocked() { 1535 if (!mOwners.hasDeviceOwner()) { 1536 return; 1537 } 1538 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1539 1540 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1541 return; // Already a full component name. 1542 } 1543 1544 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1545 doComponentName.getPackageName(), 1546 mOwners.getDeviceOwnerUserId()); 1547 if (doComponent == null) { 1548 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1549 } else { 1550 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1551 doComponent, 1552 mOwners.getDeviceOwnerName(), 1553 mOwners.getDeviceOwnerUserId(), 1554 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1555 mOwners.writeDeviceOwner(); 1556 if (VERBOSE_LOG) { 1557 Log.v(LOG_TAG, "Device owner component filled in"); 1558 } 1559 } 1560 } 1561 1562 /** 1563 * We didn't use to persist user restrictions for each owners but only persisted in user 1564 * manager. 1565 */ 1566 private void migrateUserRestrictionsIfNecessaryLocked() { 1567 boolean migrated = false; 1568 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1569 // except for the "system controlled" ones. 1570 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1571 if (VERBOSE_LOG) { 1572 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1573 } 1574 migrated = true; 1575 1576 // Migrate user 0 restrictions to DO. 1577 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1578 1579 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1580 /* exceptionList =*/ null); 1581 1582 // Push DO user restrictions to user manager. 1583 pushUserRestrictions(UserHandle.USER_SYSTEM); 1584 1585 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1586 } 1587 1588 // Migrate for POs. We have a few more exceptions. 1589 final Set<String> normalExceptionList = Sets.newArraySet( 1590 UserManager.DISALLOW_OUTGOING_CALLS, 1591 UserManager.DISALLOW_SMS); 1592 1593 final Set<String> managedExceptionList = new ArraySet<>(normalExceptionList.size() + 1); 1594 managedExceptionList.addAll(normalExceptionList); 1595 managedExceptionList.add(UserManager.DISALLOW_WALLPAPER); 1596 1597 for (UserInfo ui : mUserManager.getUsers()) { 1598 final int userId = ui.id; 1599 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1600 if (userId != UserHandle.USER_SYSTEM) { 1601 if (VERBOSE_LOG) { 1602 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1603 } 1604 migrated = true; 1605 1606 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1607 1608 final Set<String> exceptionList = 1609 ui.isManagedProfile() ? managedExceptionList : normalExceptionList; 1610 1611 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1612 exceptionList); 1613 1614 // Note if a secondary user has no PO but has a DA that disables camera, we 1615 // don't get here and won't push the camera user restriction to UserManager 1616 // here. That's okay because we'll push user restrictions anyway when a user 1617 // starts. But we still do it because we want to let user manager persist 1618 // upon migration. 1619 pushUserRestrictions(userId); 1620 } 1621 1622 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1623 } 1624 } 1625 if (VERBOSE_LOG && migrated) { 1626 Log.v(LOG_TAG, "User restrictions migrated."); 1627 } 1628 } 1629 1630 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1631 Set<String> exceptionList) { 1632 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1633 user.getIdentifier()); 1634 1635 final Bundle newBaseRestrictions = new Bundle(); 1636 final Bundle newOwnerRestrictions = new Bundle(); 1637 1638 for (String key : origRestrictions.keySet()) { 1639 if (!origRestrictions.getBoolean(key)) { 1640 continue; 1641 } 1642 if (exceptionList!= null && exceptionList.contains(key)) { 1643 newBaseRestrictions.putBoolean(key, true); 1644 } else { 1645 newOwnerRestrictions.putBoolean(key, true); 1646 } 1647 } 1648 1649 if (VERBOSE_LOG) { 1650 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1651 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1652 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1653 } 1654 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1655 newBaseRestrictions); 1656 1657 if (admin != null) { 1658 admin.ensureUserRestrictions().clear(); 1659 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1660 } else { 1661 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1662 } 1663 saveSettingsLocked(user.getIdentifier()); 1664 } 1665 1666 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1667 final DevicePolicyData policy = getUserData(userId); 1668 final int n = policy.mAdminList.size(); 1669 ComponentName found = null; 1670 int nFound = 0; 1671 for (int i = 0; i < n; i++) { 1672 final ActiveAdmin admin = policy.mAdminList.get(i); 1673 if (packageName.equals(admin.info.getPackageName())) { 1674 // Found! 1675 if (nFound == 0) { 1676 found = admin.info.getComponent(); 1677 } 1678 nFound++; 1679 } 1680 } 1681 if (nFound > 1) { 1682 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1683 } 1684 return found; 1685 } 1686 1687 /** 1688 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1689 * reminders. Clears alarm if no expirations are configured. 1690 */ 1691 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 1692 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 1693 final long now = System.currentTimeMillis(); 1694 final long timeToExpire = expiration - now; 1695 final long alarmTime; 1696 if (expiration == 0) { 1697 // No expirations are currently configured: Cancel alarm. 1698 alarmTime = 0; 1699 } else if (timeToExpire <= 0) { 1700 // The password has already expired: Repeat every 24 hours. 1701 alarmTime = now + MS_PER_DAY; 1702 } else { 1703 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1704 // the expiration time. 1705 long alarmInterval = timeToExpire % MS_PER_DAY; 1706 if (alarmInterval == 0) { 1707 alarmInterval = MS_PER_DAY; 1708 } 1709 alarmTime = now + alarmInterval; 1710 } 1711 1712 long token = mInjector.binderClearCallingIdentity(); 1713 try { 1714 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 1715 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1716 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1717 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1718 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1719 UserHandle.of(affectedUserHandle)); 1720 am.cancel(pi); 1721 if (alarmTime != 0) { 1722 am.set(AlarmManager.RTC, alarmTime, pi); 1723 } 1724 } finally { 1725 mInjector.binderRestoreCallingIdentity(token); 1726 } 1727 } 1728 1729 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1730 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1731 if (admin != null 1732 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1733 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1734 return admin; 1735 } 1736 return null; 1737 } 1738 1739 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 1740 if (parent) { 1741 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 1742 } 1743 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1744 if (admin != null && parent) { 1745 admin = admin.getParentActiveAdmin(); 1746 } 1747 return admin; 1748 } 1749 1750 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1751 throws SecurityException { 1752 final int callingUid = mInjector.binderGetCallingUid(); 1753 1754 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1755 if (result != null) { 1756 return result; 1757 } 1758 1759 if (who != null) { 1760 final int userId = UserHandle.getUserId(callingUid); 1761 final DevicePolicyData policy = getUserData(userId); 1762 ActiveAdmin admin = policy.mAdminMap.get(who); 1763 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1764 throw new SecurityException("Admin " + admin.info.getComponent() 1765 + " does not own the device"); 1766 } 1767 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1768 throw new SecurityException("Admin " + admin.info.getComponent() 1769 + " does not own the profile"); 1770 } 1771 throw new SecurityException("Admin " + admin.info.getComponent() 1772 + " did not specify uses-policy for: " 1773 + admin.info.getTagForPolicy(reqPolicy)); 1774 } else { 1775 throw new SecurityException("No active admin owned by uid " 1776 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 1777 } 1778 } 1779 1780 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 1781 throws SecurityException { 1782 if (parent) { 1783 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 1784 "call APIs on the parent profile"); 1785 } 1786 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 1787 return parent ? admin.getParentActiveAdmin() : admin; 1788 } 1789 /** 1790 * Find the admin for the component and userId bit of the uid, then check 1791 * the admin's uid matches the uid. 1792 */ 1793 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 1794 final int userId = UserHandle.getUserId(uid); 1795 final DevicePolicyData policy = getUserData(userId); 1796 ActiveAdmin admin = policy.mAdminMap.get(who); 1797 if (admin == null) { 1798 throw new SecurityException("No active admin " + who); 1799 } 1800 if (admin.getUid() != uid) { 1801 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1802 } 1803 return admin; 1804 } 1805 1806 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1807 int uid) { 1808 // Try to find an admin which can use reqPolicy 1809 final int userId = UserHandle.getUserId(uid); 1810 final DevicePolicyData policy = getUserData(userId); 1811 if (who != null) { 1812 ActiveAdmin admin = policy.mAdminMap.get(who); 1813 if (admin == null) { 1814 throw new SecurityException("No active admin " + who); 1815 } 1816 if (admin.getUid() != uid) { 1817 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1818 } 1819 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1820 return admin; 1821 } 1822 } else { 1823 for (ActiveAdmin admin : policy.mAdminList) { 1824 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 1825 userId)) { 1826 return admin; 1827 } 1828 } 1829 } 1830 1831 return null; 1832 } 1833 1834 @VisibleForTesting 1835 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 1836 int userId) { 1837 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 1838 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 1839 1840 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1841 return ownsDevice; 1842 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1843 // DO always has the PO power. 1844 return ownsDevice || ownsProfile; 1845 } else { 1846 return admin.info.usesPolicy(reqPolicy); 1847 } 1848 } 1849 1850 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1851 sendAdminCommandLocked(admin, action, null); 1852 } 1853 1854 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1855 sendAdminCommandLocked(admin, action, null, result); 1856 } 1857 1858 /** 1859 * Send an update to one specific admin, get notified when that admin returns a result. 1860 */ 1861 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1862 BroadcastReceiver result) { 1863 Intent intent = new Intent(action); 1864 intent.setComponent(admin.info.getComponent()); 1865 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1866 intent.putExtra("expiration", admin.passwordExpirationDate); 1867 } 1868 if (adminExtras != null) { 1869 intent.putExtras(adminExtras); 1870 } 1871 if (result != null) { 1872 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1873 null, result, mHandler, Activity.RESULT_OK, null, null); 1874 } else { 1875 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 1876 } 1877 } 1878 1879 /** 1880 * Send an update to all admins of a user that enforce a specified policy. 1881 */ 1882 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 1883 final DevicePolicyData policy = getUserData(userHandle); 1884 final int count = policy.mAdminList.size(); 1885 if (count > 0) { 1886 for (int i = 0; i < count; i++) { 1887 final ActiveAdmin admin = policy.mAdminList.get(i); 1888 if (admin.info.usesPolicy(reqPolicy)) { 1889 sendAdminCommandLocked(admin, action); 1890 } 1891 } 1892 } 1893 } 1894 1895 /** 1896 * Send an update intent to all admins of a user and its profiles. Only send to admins that 1897 * enforce a specified policy. 1898 */ 1899 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 1900 int userHandle) { 1901 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1902 for (UserInfo ui : profiles) { 1903 int id = ui.id; 1904 sendAdminCommandLocked(action, reqPolicy, id); 1905 } 1906 } 1907 1908 /** 1909 * Sends a broadcast to each profile that share the password unlock with the given user id. 1910 */ 1911 private void sendAdminCommandForLockscreenPoliciesLocked( 1912 String action, int reqPolicy, int userHandle) { 1913 if (isSeparateProfileChallengeEnabled(userHandle)) { 1914 sendAdminCommandLocked(action, reqPolicy, userHandle); 1915 } else { 1916 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 1917 } 1918 } 1919 1920 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 1921 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1922 if (admin != null) { 1923 synchronized (this) { 1924 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 1925 } 1926 sendAdminCommandLocked(admin, 1927 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 1928 new BroadcastReceiver() { 1929 @Override 1930 public void onReceive(Context context, Intent intent) { 1931 synchronized (DevicePolicyManagerService.this) { 1932 int userHandle = admin.getUserHandle().getIdentifier(); 1933 DevicePolicyData policy = getUserData(userHandle); 1934 boolean doProxyCleanup = admin.info.usesPolicy( 1935 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 1936 policy.mAdminList.remove(admin); 1937 policy.mAdminMap.remove(adminReceiver); 1938 validatePasswordOwnerLocked(policy); 1939 if (doProxyCleanup) { 1940 resetGlobalProxyLocked(getUserData(userHandle)); 1941 } 1942 saveSettingsLocked(userHandle); 1943 updateMaximumTimeToLockLocked(userHandle); 1944 policy.mRemovingAdmins.remove(adminReceiver); 1945 } 1946 // The removed admin might have disabled camera, so update user 1947 // restrictions. 1948 pushUserRestrictions(userHandle); 1949 } 1950 }); 1951 } 1952 } 1953 1954 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 1955 boolean throwForMissiongPermission) { 1956 if (!mHasFeature) { 1957 return null; 1958 } 1959 enforceFullCrossUsersPermission(userHandle); 1960 Intent resolveIntent = new Intent(); 1961 resolveIntent.setComponent(adminName); 1962 List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceiversAsUser( 1963 resolveIntent, 1964 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1965 userHandle); 1966 if (infos == null || infos.size() <= 0) { 1967 throw new IllegalArgumentException("Unknown admin: " + adminName); 1968 } 1969 1970 final ResolveInfo ri = infos.get(0); 1971 1972 if (!permission.BIND_DEVICE_ADMIN.equals(ri.activityInfo.permission)) { 1973 final String message = "DeviceAdminReceiver " + adminName + " must be protected with" 1974 + permission.BIND_DEVICE_ADMIN; 1975 Slog.w(LOG_TAG, message); 1976 if (throwForMissiongPermission && 1977 ri.activityInfo.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 1978 throw new IllegalArgumentException(message); 1979 } 1980 } 1981 1982 try { 1983 return new DeviceAdminInfo(mContext, ri); 1984 } catch (XmlPullParserException | IOException e) { 1985 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1986 e); 1987 return null; 1988 } 1989 } 1990 1991 private JournaledFile makeJournaledFile(int userHandle) { 1992 final String base = userHandle == UserHandle.USER_SYSTEM 1993 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 1994 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1995 DEVICE_POLICIES_XML).getAbsolutePath(); 1996 if (VERBOSE_LOG) { 1997 Log.v(LOG_TAG, "Opening " + base); 1998 } 1999 return new JournaledFile(new File(base), new File(base + ".tmp")); 2000 } 2001 2002 private void saveSettingsLocked(int userHandle) { 2003 DevicePolicyData policy = getUserData(userHandle); 2004 JournaledFile journal = makeJournaledFile(userHandle); 2005 FileOutputStream stream = null; 2006 try { 2007 stream = new FileOutputStream(journal.chooseForWrite(), false); 2008 XmlSerializer out = new FastXmlSerializer(); 2009 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2010 out.startDocument(null, true); 2011 2012 out.startTag(null, "policies"); 2013 if (policy.mRestrictionsProvider != null) { 2014 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2015 policy.mRestrictionsProvider.flattenToString()); 2016 } 2017 if (policy.mUserSetupComplete) { 2018 out.attribute(null, ATTR_SETUP_COMPLETE, 2019 Boolean.toString(true)); 2020 } 2021 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2022 out.attribute(null, ATTR_PERMISSION_POLICY, 2023 Integer.toString(policy.mPermissionPolicy)); 2024 } 2025 if (policy.mDelegatedCertInstallerPackage != null) { 2026 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2027 policy.mDelegatedCertInstallerPackage); 2028 } 2029 if (policy.mApplicationRestrictionsManagingPackage != null) { 2030 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2031 policy.mApplicationRestrictionsManagingPackage); 2032 } 2033 2034 final int N = policy.mAdminList.size(); 2035 for (int i=0; i<N; i++) { 2036 ActiveAdmin ap = policy.mAdminList.get(i); 2037 if (ap != null) { 2038 out.startTag(null, "admin"); 2039 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2040 ap.writeToXml(out); 2041 out.endTag(null, "admin"); 2042 } 2043 } 2044 2045 if (policy.mPasswordOwner >= 0) { 2046 out.startTag(null, "password-owner"); 2047 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2048 out.endTag(null, "password-owner"); 2049 } 2050 2051 if (policy.mFailedPasswordAttempts != 0) { 2052 out.startTag(null, "failed-password-attempts"); 2053 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2054 out.endTag(null, "failed-password-attempts"); 2055 } 2056 2057 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 2058 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 2059 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 2060 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 2061 out.startTag(null, "active-password"); 2062 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 2063 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 2064 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 2065 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 2066 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 2067 out.attribute(null, "numeric", Integer 2068 .toString(policy.mActivePasswordNumeric)); 2069 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 2070 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 2071 out.endTag(null, "active-password"); 2072 } 2073 2074 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2075 String component = policy.mLockTaskPackages.get(i); 2076 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2077 out.attribute(null, "name", component); 2078 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2079 } 2080 2081 if (policy.mStatusBarDisabled) { 2082 out.startTag(null, TAG_STATUS_BAR); 2083 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2084 out.endTag(null, TAG_STATUS_BAR); 2085 } 2086 2087 if (policy.doNotAskCredentialsOnBoot) { 2088 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2089 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2090 } 2091 2092 for (String id : policy.mAffiliationIds) { 2093 out.startTag(null, TAG_AFFILIATION_ID); 2094 out.attribute(null, "id", id); 2095 out.endTag(null, TAG_AFFILIATION_ID); 2096 } 2097 2098 if (policy.mAdminBroadcastPending) { 2099 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2100 out.attribute(null, ATTR_VALUE, 2101 Boolean.toString(policy.mAdminBroadcastPending)); 2102 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2103 } 2104 2105 if (policy.mInitBundle != null) { 2106 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2107 policy.mInitBundle.saveToXml(out); 2108 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2109 } 2110 2111 out.endTag(null, "policies"); 2112 2113 out.endDocument(); 2114 stream.flush(); 2115 FileUtils.sync(stream); 2116 stream.close(); 2117 journal.commit(); 2118 sendChangedNotification(userHandle); 2119 } catch (XmlPullParserException | IOException e) { 2120 Slog.w(LOG_TAG, "failed writing file", e); 2121 try { 2122 if (stream != null) { 2123 stream.close(); 2124 } 2125 } catch (IOException ex) { 2126 // Ignore 2127 } 2128 journal.rollback(); 2129 } 2130 } 2131 2132 private void sendChangedNotification(int userHandle) { 2133 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2134 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2135 long ident = mInjector.binderClearCallingIdentity(); 2136 try { 2137 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2138 } finally { 2139 mInjector.binderRestoreCallingIdentity(ident); 2140 } 2141 } 2142 2143 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2144 JournaledFile journal = makeJournaledFile(userHandle); 2145 FileInputStream stream = null; 2146 File file = journal.chooseForRead(); 2147 try { 2148 stream = new FileInputStream(file); 2149 XmlPullParser parser = Xml.newPullParser(); 2150 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2151 2152 int type; 2153 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2154 && type != XmlPullParser.START_TAG) { 2155 } 2156 String tag = parser.getName(); 2157 if (!"policies".equals(tag)) { 2158 throw new XmlPullParserException( 2159 "Settings do not start with policies tag: found " + tag); 2160 } 2161 2162 // Extract the permission provider component name if available 2163 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2164 if (permissionProvider != null) { 2165 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2166 } 2167 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2168 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2169 policy.mUserSetupComplete = true; 2170 } 2171 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2172 if (!TextUtils.isEmpty(permissionPolicy)) { 2173 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2174 } 2175 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2176 ATTR_DELEGATED_CERT_INSTALLER); 2177 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2178 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2179 2180 type = parser.next(); 2181 int outerDepth = parser.getDepth(); 2182 policy.mLockTaskPackages.clear(); 2183 policy.mAdminList.clear(); 2184 policy.mAdminMap.clear(); 2185 policy.mAffiliationIds.clear(); 2186 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2187 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2188 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2189 continue; 2190 } 2191 tag = parser.getName(); 2192 if ("admin".equals(tag)) { 2193 String name = parser.getAttributeValue(null, "name"); 2194 try { 2195 DeviceAdminInfo dai = findAdmin( 2196 ComponentName.unflattenFromString(name), userHandle, 2197 /* throwForMissionPermission= */ false); 2198 if (VERBOSE_LOG 2199 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2200 != userHandle)) { 2201 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2202 + dai.getActivityInfo().applicationInfo.uid + " for user " 2203 + userHandle); 2204 } 2205 if (dai != null) { 2206 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2207 ap.readFromXml(parser); 2208 policy.mAdminMap.put(ap.info.getComponent(), ap); 2209 } 2210 } catch (RuntimeException e) { 2211 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2212 } 2213 } else if ("failed-password-attempts".equals(tag)) { 2214 policy.mFailedPasswordAttempts = Integer.parseInt( 2215 parser.getAttributeValue(null, "value")); 2216 } else if ("password-owner".equals(tag)) { 2217 policy.mPasswordOwner = Integer.parseInt( 2218 parser.getAttributeValue(null, "value")); 2219 } else if ("active-password".equals(tag)) { 2220 policy.mActivePasswordQuality = Integer.parseInt( 2221 parser.getAttributeValue(null, "quality")); 2222 policy.mActivePasswordLength = Integer.parseInt( 2223 parser.getAttributeValue(null, "length")); 2224 policy.mActivePasswordUpperCase = Integer.parseInt( 2225 parser.getAttributeValue(null, "uppercase")); 2226 policy.mActivePasswordLowerCase = Integer.parseInt( 2227 parser.getAttributeValue(null, "lowercase")); 2228 policy.mActivePasswordLetters = Integer.parseInt( 2229 parser.getAttributeValue(null, "letters")); 2230 policy.mActivePasswordNumeric = Integer.parseInt( 2231 parser.getAttributeValue(null, "numeric")); 2232 policy.mActivePasswordSymbols = Integer.parseInt( 2233 parser.getAttributeValue(null, "symbols")); 2234 policy.mActivePasswordNonLetter = Integer.parseInt( 2235 parser.getAttributeValue(null, "nonletter")); 2236 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2237 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2238 } else if (TAG_STATUS_BAR.equals(tag)) { 2239 policy.mStatusBarDisabled = Boolean.parseBoolean( 2240 parser.getAttributeValue(null, ATTR_DISABLED)); 2241 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2242 policy.doNotAskCredentialsOnBoot = true; 2243 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2244 policy.mAffiliationIds.add(parser.getAttributeValue(null, "id")); 2245 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2246 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2247 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2248 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2249 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2250 } else { 2251 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2252 XmlUtils.skipCurrentTag(parser); 2253 } 2254 } 2255 } catch (FileNotFoundException e) { 2256 // Don't be noisy, this is normal if we haven't defined any policies. 2257 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2258 | IndexOutOfBoundsException e) { 2259 Slog.w(LOG_TAG, "failed parsing " + file, e); 2260 } 2261 try { 2262 if (stream != null) { 2263 stream.close(); 2264 } 2265 } catch (IOException e) { 2266 // Ignore 2267 } 2268 2269 // Generate a list of admins from the admin map 2270 policy.mAdminList.addAll(policy.mAdminMap.values()); 2271 2272 // Validate that what we stored for the password quality matches 2273 // sufficiently what is currently set. Note that this is only 2274 // a sanity check in case the two get out of sync; this should 2275 // never normally happen. 2276 final long identity = mInjector.binderClearCallingIdentity(); 2277 try { 2278 int actualPasswordQuality = mLockPatternUtils.getActivePasswordQuality(userHandle); 2279 if (actualPasswordQuality < policy.mActivePasswordQuality) { 2280 Slog.w(LOG_TAG, "Active password quality 0x" 2281 + Integer.toHexString(policy.mActivePasswordQuality) 2282 + " does not match actual quality 0x" 2283 + Integer.toHexString(actualPasswordQuality)); 2284 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2285 policy.mActivePasswordLength = 0; 2286 policy.mActivePasswordUpperCase = 0; 2287 policy.mActivePasswordLowerCase = 0; 2288 policy.mActivePasswordLetters = 0; 2289 policy.mActivePasswordNumeric = 0; 2290 policy.mActivePasswordSymbols = 0; 2291 policy.mActivePasswordNonLetter = 0; 2292 } 2293 } finally { 2294 mInjector.binderRestoreCallingIdentity(identity); 2295 } 2296 2297 validatePasswordOwnerLocked(policy); 2298 updateMaximumTimeToLockLocked(userHandle); 2299 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2300 if (policy.mStatusBarDisabled) { 2301 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2302 } 2303 } 2304 2305 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2306 long ident = mInjector.binderClearCallingIdentity(); 2307 try { 2308 mInjector.getIActivityManager() 2309 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2310 } catch (RemoteException e) { 2311 // Not gonna happen. 2312 } finally { 2313 mInjector.binderRestoreCallingIdentity(ident); 2314 } 2315 } 2316 2317 private void updateDeviceOwnerLocked() { 2318 long ident = mInjector.binderClearCallingIdentity(); 2319 try { 2320 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2321 // user id and also protect all other DAs too. 2322 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2323 if (deviceOwnerComponent != null) { 2324 mInjector.getIActivityManager() 2325 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2326 } 2327 } catch (RemoteException e) { 2328 // Not gonna happen. 2329 } finally { 2330 mInjector.binderRestoreCallingIdentity(ident); 2331 } 2332 } 2333 2334 static void validateQualityConstant(int quality) { 2335 switch (quality) { 2336 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2337 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2338 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2339 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2340 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2341 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2342 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2343 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2344 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2345 return; 2346 } 2347 throw new IllegalArgumentException("Invalid quality constant: 0x" 2348 + Integer.toHexString(quality)); 2349 } 2350 2351 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2352 if (policy.mPasswordOwner >= 0) { 2353 boolean haveOwner = false; 2354 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2355 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2356 haveOwner = true; 2357 break; 2358 } 2359 } 2360 if (!haveOwner) { 2361 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2362 + " no longer active; disabling"); 2363 policy.mPasswordOwner = -1; 2364 } 2365 } 2366 } 2367 2368 @VisibleForTesting 2369 void systemReady(int phase) { 2370 if (!mHasFeature) { 2371 return; 2372 } 2373 switch (phase) { 2374 case SystemService.PHASE_LOCK_SETTINGS_READY: 2375 onLockSettingsReady(); 2376 break; 2377 case SystemService.PHASE_BOOT_COMPLETED: 2378 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2379 break; 2380 } 2381 } 2382 2383 private void onLockSettingsReady() { 2384 getUserData(UserHandle.USER_SYSTEM); 2385 loadOwners(); 2386 cleanUpOldUsers(); 2387 2388 onStartUser(UserHandle.USER_SYSTEM); 2389 2390 // Register an observer for watching for user setup complete. 2391 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 2392 // Initialize the user setup state, to handle the upgrade case. 2393 updateUserSetupComplete(); 2394 2395 List<String> packageList; 2396 synchronized (this) { 2397 packageList = getKeepUninstalledPackagesLocked(); 2398 } 2399 if (packageList != null) { 2400 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2401 } 2402 } 2403 2404 private void ensureDeviceOwnerUserStarted() { 2405 final int userId; 2406 synchronized (this) { 2407 if (!mOwners.hasDeviceOwner()) { 2408 return; 2409 } 2410 userId = mOwners.getDeviceOwnerUserId(); 2411 } 2412 if (VERBOSE_LOG) { 2413 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2414 } 2415 if (userId != UserHandle.USER_SYSTEM) { 2416 try { 2417 mInjector.getIActivityManager().startUserInBackground(userId); 2418 2419 // STOPSHIP Prevent the DO user from being killed. 2420 2421 } catch (RemoteException e) { 2422 Slog.w(LOG_TAG, "Exception starting user", e); 2423 } 2424 } 2425 } 2426 2427 private void onStartUser(int userId) { 2428 updateScreenCaptureDisabledInWindowManager(userId, 2429 getScreenCaptureDisabled(null, userId)); 2430 pushUserRestrictions(userId); 2431 } 2432 2433 private void cleanUpOldUsers() { 2434 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2435 // before reboot 2436 Set<Integer> usersWithProfileOwners; 2437 Set<Integer> usersWithData; 2438 synchronized(this) { 2439 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2440 usersWithData = new ArraySet<>(); 2441 for (int i = 0; i < mUserData.size(); i++) { 2442 usersWithData.add(mUserData.keyAt(i)); 2443 } 2444 } 2445 List<UserInfo> allUsers = mUserManager.getUsers(); 2446 2447 Set<Integer> deletedUsers = new ArraySet<>(); 2448 deletedUsers.addAll(usersWithProfileOwners); 2449 deletedUsers.addAll(usersWithData); 2450 for (UserInfo userInfo : allUsers) { 2451 deletedUsers.remove(userInfo.id); 2452 } 2453 for (Integer userId : deletedUsers) { 2454 removeUserData(userId); 2455 } 2456 } 2457 2458 private void handlePasswordExpirationNotification(int userHandle) { 2459 synchronized (this) { 2460 final long now = System.currentTimeMillis(); 2461 2462 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2463 userHandle, /* parent */ false); 2464 final int N = admins.size(); 2465 for (int i = 0; i < N; i++) { 2466 ActiveAdmin admin = admins.get(i); 2467 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2468 && admin.passwordExpirationTimeout > 0L 2469 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2470 && admin.passwordExpirationDate > 0L) { 2471 sendAdminCommandLocked(admin, 2472 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2473 } 2474 } 2475 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2476 } 2477 } 2478 2479 private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { 2480 @Override 2481 protected Void doInBackground(Intent... params) { 2482 int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 2483 2484 if (userHandle == UserHandle.USER_ALL) { 2485 for (UserInfo userInfo : mUserManager.getUsers()) { 2486 manageNotification(userInfo.getUserHandle()); 2487 } 2488 } else { 2489 manageNotification(new UserHandle(userHandle)); 2490 } 2491 return null; 2492 } 2493 2494 private void manageNotification(UserHandle userHandle) { 2495 if (!mUserManager.isUserRunning(userHandle)) { 2496 return; 2497 } 2498 2499 // Call out to KeyChain to check for user-added CAs 2500 boolean hasCert = false; 2501 try { 2502 KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); 2503 try { 2504 if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { 2505 hasCert = true; 2506 } 2507 } catch (RemoteException e) { 2508 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 2509 } finally { 2510 kcs.close(); 2511 } 2512 } catch (InterruptedException e) { 2513 Thread.currentThread().interrupt(); 2514 } catch (RuntimeException e) { 2515 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 2516 } 2517 if (!hasCert) { 2518 mInjector.getNotificationManager().cancelAsUser( 2519 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2520 return; 2521 } 2522 2523 // Build and show a warning notification 2524 int smallIconId; 2525 String contentText; 2526 // TODO Why does it use the DO name? The cert APIs are all for PO. b/25772443 2527 final String ownerName = getDeviceOwnerName(); 2528 if (isManagedProfile(userHandle.getIdentifier())) { 2529 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); 2530 smallIconId = R.drawable.stat_sys_certificate_info; 2531 } else if (ownerName != null) { 2532 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); 2533 smallIconId = R.drawable.stat_sys_certificate_info; 2534 } else { 2535 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2536 smallIconId = android.R.drawable.stat_sys_warning; 2537 } 2538 2539 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2540 dialogIntent.setFlags( 2541 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2542 dialogIntent.setPackage("com.android.settings"); 2543 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2544 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 2545 2546 final Context userContext; 2547 try { 2548 userContext = mContext.createPackageContextAsUser("android", 0, userHandle); 2549 } catch (PackageManager.NameNotFoundException e) { 2550 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2551 return; 2552 } 2553 final Notification noti = new Notification.Builder(userContext) 2554 .setSmallIcon(smallIconId) 2555 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 2556 .setContentText(contentText) 2557 .setContentIntent(notifyIntent) 2558 .setPriority(Notification.PRIORITY_HIGH) 2559 .setShowWhen(false) 2560 .setColor(mContext.getColor( 2561 com.android.internal.R.color.system_notification_accent_color)) 2562 .build(); 2563 2564 mInjector.getNotificationManager().notifyAsUser( 2565 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2566 } 2567 } 2568 2569 /** 2570 * @param adminReceiver The admin to add 2571 * @param refreshing true = update an active admin, no error 2572 */ 2573 @Override 2574 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2575 if (!mHasFeature) { 2576 return; 2577 } 2578 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2579 } 2580 2581 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2582 Bundle onEnableData) { 2583 mContext.enforceCallingOrSelfPermission( 2584 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2585 enforceFullCrossUsersPermission(userHandle); 2586 2587 DevicePolicyData policy = getUserData(userHandle); 2588 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2589 /* throwForMissionPermission= */ true); 2590 if (info == null) { 2591 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2592 } 2593 synchronized (this) { 2594 long ident = mInjector.binderClearCallingIdentity(); 2595 try { 2596 if (!refreshing 2597 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 2598 throw new IllegalArgumentException("Admin is already added"); 2599 } 2600 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2601 policy.mAdminMap.put(adminReceiver, newAdmin); 2602 int replaceIndex = -1; 2603 final int N = policy.mAdminList.size(); 2604 for (int i=0; i < N; i++) { 2605 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2606 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2607 replaceIndex = i; 2608 break; 2609 } 2610 } 2611 if (replaceIndex == -1) { 2612 policy.mAdminList.add(newAdmin); 2613 enableIfNecessary(info.getPackageName(), userHandle); 2614 } else { 2615 policy.mAdminList.set(replaceIndex, newAdmin); 2616 } 2617 saveSettingsLocked(userHandle); 2618 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2619 onEnableData, null); 2620 } finally { 2621 mInjector.binderRestoreCallingIdentity(ident); 2622 } 2623 } 2624 } 2625 2626 @Override 2627 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2628 if (!mHasFeature) { 2629 return false; 2630 } 2631 enforceFullCrossUsersPermission(userHandle); 2632 synchronized (this) { 2633 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2634 } 2635 } 2636 2637 @Override 2638 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2639 if (!mHasFeature) { 2640 return false; 2641 } 2642 enforceFullCrossUsersPermission(userHandle); 2643 synchronized (this) { 2644 DevicePolicyData policyData = getUserData(userHandle); 2645 return policyData.mRemovingAdmins.contains(adminReceiver); 2646 } 2647 } 2648 2649 @Override 2650 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2651 if (!mHasFeature) { 2652 return false; 2653 } 2654 enforceFullCrossUsersPermission(userHandle); 2655 synchronized (this) { 2656 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2657 if (administrator == null) { 2658 throw new SecurityException("No active admin " + adminReceiver); 2659 } 2660 return administrator.info.usesPolicy(policyId); 2661 } 2662 } 2663 2664 @Override 2665 @SuppressWarnings("unchecked") 2666 public List<ComponentName> getActiveAdmins(int userHandle) { 2667 if (!mHasFeature) { 2668 return Collections.EMPTY_LIST; 2669 } 2670 2671 enforceFullCrossUsersPermission(userHandle); 2672 synchronized (this) { 2673 DevicePolicyData policy = getUserData(userHandle); 2674 final int N = policy.mAdminList.size(); 2675 if (N <= 0) { 2676 return null; 2677 } 2678 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2679 for (int i=0; i<N; i++) { 2680 res.add(policy.mAdminList.get(i).info.getComponent()); 2681 } 2682 return res; 2683 } 2684 } 2685 2686 @Override 2687 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2688 if (!mHasFeature) { 2689 return false; 2690 } 2691 enforceFullCrossUsersPermission(userHandle); 2692 synchronized (this) { 2693 DevicePolicyData policy = getUserData(userHandle); 2694 final int N = policy.mAdminList.size(); 2695 for (int i=0; i<N; i++) { 2696 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2697 return true; 2698 } 2699 } 2700 return false; 2701 } 2702 } 2703 2704 @Override 2705 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2706 if (!mHasFeature) { 2707 return; 2708 } 2709 enforceFullCrossUsersPermission(userHandle); 2710 synchronized (this) { 2711 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2712 if (admin == null) { 2713 return; 2714 } 2715 if (admin.getUid() != mInjector.binderGetCallingUid()) { 2716 // Active device/profile owners must remain active admins. 2717 if (isDeviceOwner(adminReceiver, userHandle) 2718 || isProfileOwner(adminReceiver, userHandle)) { 2719 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 2720 adminReceiver); 2721 return; 2722 } 2723 mContext.enforceCallingOrSelfPermission( 2724 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2725 } 2726 long ident = mInjector.binderClearCallingIdentity(); 2727 try { 2728 removeActiveAdminLocked(adminReceiver, userHandle); 2729 } finally { 2730 mInjector.binderRestoreCallingIdentity(ident); 2731 } 2732 } 2733 } 2734 2735 private boolean isAdminApiLevelMOrBelow(@NonNull ComponentName who, int userHandle) { 2736 DeviceAdminInfo adminInfo = findAdmin(who, userHandle, false); 2737 return adminInfo.getActivityInfo().applicationInfo.targetSdkVersion 2738 <= Build.VERSION_CODES.M; 2739 } 2740 2741 @Override 2742 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 2743 ComponentName profileOwner = getProfileOwner(userHandle); 2744 return profileOwner != null && !isAdminApiLevelMOrBelow(profileOwner, userHandle); 2745 } 2746 2747 @Override 2748 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 2749 if (!mHasFeature) { 2750 return; 2751 } 2752 Preconditions.checkNotNull(who, "ComponentName is null"); 2753 validateQualityConstant(quality); 2754 2755 synchronized (this) { 2756 ActiveAdmin ap = getActiveAdminForCallerLocked( 2757 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 2758 if (ap.passwordQuality != quality) { 2759 ap.passwordQuality = quality; 2760 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 2761 } 2762 } 2763 } 2764 2765 @Override 2766 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 2767 if (!mHasFeature) { 2768 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2769 } 2770 enforceFullCrossUsersPermission(userHandle); 2771 synchronized (this) { 2772 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2773 2774 if (who != null) { 2775 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 2776 return admin != null ? admin.passwordQuality : mode; 2777 } 2778 2779 // Return the strictest policy across all participating admins. 2780 List<ActiveAdmin> admins = 2781 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 2782 final int N = admins.size(); 2783 for (int i = 0; i < N; i++) { 2784 ActiveAdmin admin = admins.get(i); 2785 if (mode < admin.passwordQuality) { 2786 mode = admin.passwordQuality; 2787 } 2788 } 2789 return mode; 2790 } 2791 } 2792 2793 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 2794 int userHandle, boolean parent) { 2795 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 2796 // If this user has a separate challenge, only return its restrictions. 2797 return getUserDataUnchecked(userHandle).mAdminList; 2798 } else { 2799 // Return all admins for this user and the profiles that are visible from this 2800 // user that do not use a separate work challenge. 2801 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 2802 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2803 DevicePolicyData policy = getUserData(userInfo.id); 2804 if (!isManagedProfile(userInfo.id)) { 2805 admins.addAll(policy.mAdminList); 2806 } else { 2807 // For managed profiles, we always include the policies set on the parent 2808 // profile. Additionally, we include the ones set on the managed profile 2809 // if no separate challenge is in place. 2810 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 2811 final int N = policy.mAdminList.size(); 2812 for (int i = 0; i < N; i++) { 2813 ActiveAdmin admin = policy.mAdminList.get(i); 2814 if (admin.hasParentActiveAdmin()) { 2815 admins.add(admin.getParentActiveAdmin()); 2816 } 2817 if (!hasSeparateChallenge) { 2818 admins.add(admin); 2819 } 2820 } 2821 } 2822 } 2823 return admins; 2824 } 2825 } 2826 2827 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 2828 long ident = mInjector.binderClearCallingIdentity(); 2829 try { 2830 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 2831 } finally { 2832 mInjector.binderRestoreCallingIdentity(ident); 2833 } 2834 } 2835 2836 @Override 2837 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 2838 if (!mHasFeature) { 2839 return; 2840 } 2841 Preconditions.checkNotNull(who, "ComponentName is null"); 2842 synchronized (this) { 2843 ActiveAdmin ap = getActiveAdminForCallerLocked( 2844 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 2845 if (ap.minimumPasswordLength != length) { 2846 ap.minimumPasswordLength = length; 2847 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 2848 } 2849 } 2850 } 2851 2852 @Override 2853 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 2854 if (!mHasFeature) { 2855 return 0; 2856 } 2857 enforceFullCrossUsersPermission(userHandle); 2858 synchronized (this) { 2859 int length = 0; 2860 2861 if (who != null) { 2862 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 2863 return admin != null ? admin.minimumPasswordLength : length; 2864 } 2865 2866 // Return the strictest policy across all participating admins. 2867 List<ActiveAdmin> admins = 2868 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 2869 final int N = admins.size(); 2870 for (int i = 0; i < N; i++) { 2871 ActiveAdmin admin = admins.get(i); 2872 if (length < admin.minimumPasswordLength) { 2873 length = admin.minimumPasswordLength; 2874 } 2875 } 2876 return length; 2877 } 2878 } 2879 2880 @Override 2881 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 2882 if (!mHasFeature) { 2883 return; 2884 } 2885 Preconditions.checkNotNull(who, "ComponentName is null"); 2886 synchronized (this) { 2887 ActiveAdmin ap = getActiveAdminForCallerLocked( 2888 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 2889 if (ap.passwordHistoryLength != length) { 2890 ap.passwordHistoryLength = length; 2891 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 2892 } 2893 } 2894 } 2895 2896 @Override 2897 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 2898 if (!mHasFeature) { 2899 return 0; 2900 } 2901 enforceFullCrossUsersPermission(userHandle); 2902 synchronized (this) { 2903 int length = 0; 2904 2905 if (who != null) { 2906 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 2907 return admin != null ? admin.passwordHistoryLength : length; 2908 } 2909 2910 // Return the strictest policy across all participating admins. 2911 List<ActiveAdmin> admins = 2912 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 2913 final int N = admins.size(); 2914 for (int i = 0; i < N; i++) { 2915 ActiveAdmin admin = admins.get(i); 2916 if (length < admin.passwordHistoryLength) { 2917 length = admin.passwordHistoryLength; 2918 } 2919 } 2920 2921 return length; 2922 } 2923 } 2924 2925 @Override 2926 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 2927 if (!mHasFeature) { 2928 return; 2929 } 2930 Preconditions.checkNotNull(who, "ComponentName is null"); 2931 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 2932 final int userHandle = mInjector.userHandleGetCallingUserId(); 2933 synchronized (this) { 2934 ActiveAdmin ap = getActiveAdminForCallerLocked( 2935 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 2936 // Calling this API automatically bumps the expiration date 2937 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 2938 ap.passwordExpirationDate = expiration; 2939 ap.passwordExpirationTimeout = timeout; 2940 if (timeout > 0L) { 2941 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 2942 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 2943 .format(new Date(expiration))); 2944 } 2945 saveSettingsLocked(userHandle); 2946 2947 // in case this is the first one, set the alarm on the appropriate user. 2948 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 2949 } 2950 } 2951 2952 /** 2953 * Return a single admin's expiration cycle time, or the min of all cycle times. 2954 * Returns 0 if not configured. 2955 */ 2956 @Override 2957 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 2958 if (!mHasFeature) { 2959 return 0L; 2960 } 2961 enforceFullCrossUsersPermission(userHandle); 2962 synchronized (this) { 2963 long timeout = 0L; 2964 2965 if (who != null) { 2966 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 2967 return admin != null ? admin.passwordExpirationTimeout : timeout; 2968 } 2969 2970 // Return the strictest policy across all participating admins. 2971 List<ActiveAdmin> admins = 2972 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 2973 final int N = admins.size(); 2974 for (int i = 0; i < N; i++) { 2975 ActiveAdmin admin = admins.get(i); 2976 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 2977 && timeout > admin.passwordExpirationTimeout)) { 2978 timeout = admin.passwordExpirationTimeout; 2979 } 2980 } 2981 return timeout; 2982 } 2983 } 2984 2985 @Override 2986 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2987 final int userId = UserHandle.getCallingUserId(); 2988 List<String> changedProviders = null; 2989 2990 synchronized (this) { 2991 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2992 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2993 if (activeAdmin.crossProfileWidgetProviders == null) { 2994 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 2995 } 2996 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2997 if (!providers.contains(packageName)) { 2998 providers.add(packageName); 2999 changedProviders = new ArrayList<>(providers); 3000 saveSettingsLocked(userId); 3001 } 3002 } 3003 3004 if (changedProviders != null) { 3005 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3006 return true; 3007 } 3008 3009 return false; 3010 } 3011 3012 @Override 3013 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3014 final int userId = UserHandle.getCallingUserId(); 3015 List<String> changedProviders = null; 3016 3017 synchronized (this) { 3018 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3019 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3020 if (activeAdmin.crossProfileWidgetProviders == null) { 3021 return false; 3022 } 3023 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3024 if (providers.remove(packageName)) { 3025 changedProviders = new ArrayList<>(providers); 3026 saveSettingsLocked(userId); 3027 } 3028 } 3029 3030 if (changedProviders != null) { 3031 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3032 return true; 3033 } 3034 3035 return false; 3036 } 3037 3038 @Override 3039 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3040 synchronized (this) { 3041 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3042 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3043 if (activeAdmin.crossProfileWidgetProviders == null 3044 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3045 return null; 3046 } 3047 if (mInjector.binderIsCallingUidMyUid()) { 3048 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3049 } else { 3050 return activeAdmin.crossProfileWidgetProviders; 3051 } 3052 } 3053 } 3054 3055 /** 3056 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3057 * Returns 0 if not configured. 3058 */ 3059 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3060 long timeout = 0L; 3061 3062 if (who != null) { 3063 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3064 return admin != null ? admin.passwordExpirationDate : timeout; 3065 } 3066 3067 // Return the strictest policy across all participating admins. 3068 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3069 final int N = admins.size(); 3070 for (int i = 0; i < N; i++) { 3071 ActiveAdmin admin = admins.get(i); 3072 if (timeout == 0L || (admin.passwordExpirationDate != 0 3073 && timeout > admin.passwordExpirationDate)) { 3074 timeout = admin.passwordExpirationDate; 3075 } 3076 } 3077 return timeout; 3078 } 3079 3080 @Override 3081 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3082 if (!mHasFeature) { 3083 return 0L; 3084 } 3085 enforceFullCrossUsersPermission(userHandle); 3086 synchronized (this) { 3087 return getPasswordExpirationLocked(who, userHandle, parent); 3088 } 3089 } 3090 3091 @Override 3092 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3093 if (!mHasFeature) { 3094 return; 3095 } 3096 Preconditions.checkNotNull(who, "ComponentName is null"); 3097 synchronized (this) { 3098 ActiveAdmin ap = getActiveAdminForCallerLocked( 3099 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3100 if (ap.minimumPasswordUpperCase != length) { 3101 ap.minimumPasswordUpperCase = length; 3102 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3103 } 3104 } 3105 } 3106 3107 @Override 3108 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3109 if (!mHasFeature) { 3110 return 0; 3111 } 3112 enforceFullCrossUsersPermission(userHandle); 3113 synchronized (this) { 3114 int length = 0; 3115 3116 if (who != null) { 3117 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3118 return admin != null ? admin.minimumPasswordUpperCase : length; 3119 } 3120 3121 // Return the strictest policy across all participating admins. 3122 List<ActiveAdmin> admins = 3123 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3124 final int N = admins.size(); 3125 for (int i = 0; i < N; i++) { 3126 ActiveAdmin admin = admins.get(i); 3127 if (length < admin.minimumPasswordUpperCase) { 3128 length = admin.minimumPasswordUpperCase; 3129 } 3130 } 3131 return length; 3132 } 3133 } 3134 3135 @Override 3136 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3137 Preconditions.checkNotNull(who, "ComponentName is null"); 3138 synchronized (this) { 3139 ActiveAdmin ap = getActiveAdminForCallerLocked( 3140 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3141 if (ap.minimumPasswordLowerCase != length) { 3142 ap.minimumPasswordLowerCase = length; 3143 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3144 } 3145 } 3146 } 3147 3148 @Override 3149 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3150 if (!mHasFeature) { 3151 return 0; 3152 } 3153 enforceFullCrossUsersPermission(userHandle); 3154 synchronized (this) { 3155 int length = 0; 3156 3157 if (who != null) { 3158 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3159 return admin != null ? admin.minimumPasswordLowerCase : length; 3160 } 3161 3162 // Return the strictest policy across all participating admins. 3163 List<ActiveAdmin> admins = 3164 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3165 final int N = admins.size(); 3166 for (int i = 0; i < N; i++) { 3167 ActiveAdmin admin = admins.get(i); 3168 if (length < admin.minimumPasswordLowerCase) { 3169 length = admin.minimumPasswordLowerCase; 3170 } 3171 } 3172 return length; 3173 } 3174 } 3175 3176 @Override 3177 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3178 if (!mHasFeature) { 3179 return; 3180 } 3181 Preconditions.checkNotNull(who, "ComponentName is null"); 3182 synchronized (this) { 3183 ActiveAdmin ap = getActiveAdminForCallerLocked( 3184 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3185 if (ap.minimumPasswordLetters != length) { 3186 ap.minimumPasswordLetters = length; 3187 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3188 } 3189 } 3190 } 3191 3192 @Override 3193 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3194 if (!mHasFeature) { 3195 return 0; 3196 } 3197 enforceFullCrossUsersPermission(userHandle); 3198 synchronized (this) { 3199 int length = 0; 3200 3201 if (who != null) { 3202 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3203 return admin != null ? admin.minimumPasswordLetters : length; 3204 } 3205 3206 // Return the strictest policy across all participating admins. 3207 List<ActiveAdmin> admins = 3208 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3209 final int N = admins.size(); 3210 for (int i = 0; i < N; i++) { 3211 ActiveAdmin admin = admins.get(i); 3212 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3213 continue; 3214 } 3215 if (length < admin.minimumPasswordLetters) { 3216 length = admin.minimumPasswordLetters; 3217 } 3218 } 3219 return length; 3220 } 3221 } 3222 3223 @Override 3224 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3225 if (!mHasFeature) { 3226 return; 3227 } 3228 Preconditions.checkNotNull(who, "ComponentName is null"); 3229 synchronized (this) { 3230 ActiveAdmin ap = getActiveAdminForCallerLocked( 3231 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3232 if (ap.minimumPasswordNumeric != length) { 3233 ap.minimumPasswordNumeric = length; 3234 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3235 } 3236 } 3237 } 3238 3239 @Override 3240 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3241 if (!mHasFeature) { 3242 return 0; 3243 } 3244 enforceFullCrossUsersPermission(userHandle); 3245 synchronized (this) { 3246 int length = 0; 3247 3248 if (who != null) { 3249 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3250 return admin != null ? admin.minimumPasswordNumeric : length; 3251 } 3252 3253 // Return the strictest policy across all participating admins. 3254 List<ActiveAdmin> admins = 3255 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3256 final int N = admins.size(); 3257 for (int i = 0; i < N; i++) { 3258 ActiveAdmin admin = admins.get(i); 3259 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3260 continue; 3261 } 3262 if (length < admin.minimumPasswordNumeric) { 3263 length = admin.minimumPasswordNumeric; 3264 } 3265 } 3266 return length; 3267 } 3268 } 3269 3270 @Override 3271 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3272 if (!mHasFeature) { 3273 return; 3274 } 3275 Preconditions.checkNotNull(who, "ComponentName is null"); 3276 synchronized (this) { 3277 ActiveAdmin ap = getActiveAdminForCallerLocked( 3278 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3279 if (ap.minimumPasswordSymbols != length) { 3280 ap.minimumPasswordSymbols = length; 3281 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3282 } 3283 } 3284 } 3285 3286 @Override 3287 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3288 if (!mHasFeature) { 3289 return 0; 3290 } 3291 enforceFullCrossUsersPermission(userHandle); 3292 synchronized (this) { 3293 int length = 0; 3294 3295 if (who != null) { 3296 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3297 return admin != null ? admin.minimumPasswordSymbols : length; 3298 } 3299 3300 // Return the strictest policy across all participating admins. 3301 List<ActiveAdmin> admins = 3302 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3303 final int N = admins.size(); 3304 for (int i = 0; i < N; i++) { 3305 ActiveAdmin admin = admins.get(i); 3306 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3307 continue; 3308 } 3309 if (length < admin.minimumPasswordSymbols) { 3310 length = admin.minimumPasswordSymbols; 3311 } 3312 } 3313 return length; 3314 } 3315 } 3316 3317 @Override 3318 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3319 if (!mHasFeature) { 3320 return; 3321 } 3322 Preconditions.checkNotNull(who, "ComponentName is null"); 3323 synchronized (this) { 3324 ActiveAdmin ap = getActiveAdminForCallerLocked( 3325 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3326 if (ap.minimumPasswordNonLetter != length) { 3327 ap.minimumPasswordNonLetter = length; 3328 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3329 } 3330 } 3331 } 3332 3333 @Override 3334 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3335 if (!mHasFeature) { 3336 return 0; 3337 } 3338 enforceFullCrossUsersPermission(userHandle); 3339 synchronized (this) { 3340 int length = 0; 3341 3342 if (who != null) { 3343 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3344 return admin != null ? admin.minimumPasswordNonLetter : length; 3345 } 3346 3347 // Return the strictest policy across all participating admins. 3348 List<ActiveAdmin> admins = 3349 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3350 final int N = admins.size(); 3351 for (int i = 0; i < N; i++) { 3352 ActiveAdmin admin = admins.get(i); 3353 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3354 continue; 3355 } 3356 if (length < admin.minimumPasswordNonLetter) { 3357 length = admin.minimumPasswordNonLetter; 3358 } 3359 } 3360 return length; 3361 } 3362 } 3363 3364 @Override 3365 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3366 if (!mHasFeature) { 3367 return true; 3368 } 3369 enforceFullCrossUsersPermission(userHandle); 3370 3371 synchronized (this) { 3372 // This API can only be called by an active device admin, 3373 // so try to retrieve it to check that the caller is one. 3374 getActiveAdminForCallerLocked( 3375 null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3376 3377 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3378 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle, parent) 3379 || policy.mActivePasswordLength < getPasswordMinimumLength( 3380 null, userHandle, parent)) { 3381 return false; 3382 } 3383 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3384 return true; 3385 } 3386 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase( 3387 null, userHandle, parent) 3388 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase( 3389 null, userHandle, parent) 3390 && policy.mActivePasswordLetters >= getPasswordMinimumLetters( 3391 null, userHandle, parent) 3392 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric( 3393 null, userHandle, parent) 3394 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols( 3395 null, userHandle, parent) 3396 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter( 3397 null, userHandle, parent); 3398 } 3399 } 3400 3401 @Override 3402 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3403 synchronized (this) { 3404 // This API can only be called by an active device admin, 3405 // so try to retrieve it to check that the caller is one. 3406 getActiveAdminForCallerLocked( 3407 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3408 3409 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3410 3411 return policy.mFailedPasswordAttempts; 3412 } 3413 } 3414 3415 @Override 3416 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3417 if (!mHasFeature) { 3418 return; 3419 } 3420 Preconditions.checkNotNull(who, "ComponentName is null"); 3421 synchronized (this) { 3422 // This API can only be called by an active device admin, 3423 // so try to retrieve it to check that the caller is one. 3424 getActiveAdminForCallerLocked( 3425 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3426 ActiveAdmin ap = getActiveAdminForCallerLocked( 3427 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3428 if (ap.maximumFailedPasswordsForWipe != num) { 3429 ap.maximumFailedPasswordsForWipe = num; 3430 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3431 } 3432 } 3433 } 3434 3435 @Override 3436 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3437 if (!mHasFeature) { 3438 return 0; 3439 } 3440 enforceFullCrossUsersPermission(userHandle); 3441 synchronized (this) { 3442 ActiveAdmin admin = (who != null) 3443 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3444 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3445 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3446 } 3447 } 3448 3449 @Override 3450 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3451 if (!mHasFeature) { 3452 return UserHandle.USER_NULL; 3453 } 3454 enforceFullCrossUsersPermission(userHandle); 3455 synchronized (this) { 3456 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3457 userHandle, parent); 3458 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3459 } 3460 } 3461 3462 /** 3463 * Returns the admin with the strictest policy on maximum failed passwords for: 3464 * <ul> 3465 * <li>this user if it has a separate profile challenge, or 3466 * <li>this user and all profiles that don't have their own challenge otherwise. 3467 * </ul> 3468 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3469 * the primary profile. 3470 * Returns {@code null} if no participating admin has that policy set. 3471 */ 3472 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3473 int userHandle, boolean parent) { 3474 int count = 0; 3475 ActiveAdmin strictestAdmin = null; 3476 3477 // Return the strictest policy across all participating admins. 3478 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3479 final int N = admins.size(); 3480 for (int i = 0; i < N; i++) { 3481 ActiveAdmin admin = admins.get(i); 3482 if (admin.maximumFailedPasswordsForWipe == 3483 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3484 continue; // No max number of failed passwords policy set for this profile. 3485 } 3486 3487 // We always favor the primary profile if several profiles have the same value set. 3488 int userId = admin.getUserHandle().getIdentifier(); 3489 if (count == 0 || 3490 count > admin.maximumFailedPasswordsForWipe || 3491 (count == admin.maximumFailedPasswordsForWipe && 3492 mUserManager.getUserInfo(userId).isPrimary())) { 3493 count = admin.maximumFailedPasswordsForWipe; 3494 strictestAdmin = admin; 3495 } 3496 } 3497 return strictestAdmin; 3498 } 3499 3500 @Override 3501 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3502 if (!mHasFeature) { 3503 return false; 3504 } 3505 final int callingUid = mInjector.binderGetCallingUid(); 3506 final int userHandle = mInjector.userHandleGetCallingUserId(); 3507 3508 if (getCredentialOwner(userHandle, /* parent */ false) != userHandle) { 3509 throw new SecurityException("You can not change password for this profile because" 3510 + " it shares the password with the owner profile"); 3511 } 3512 3513 String password = passwordOrNull != null ? passwordOrNull : ""; 3514 3515 int quality; 3516 synchronized (this) { 3517 // If caller has PO (or DO), it can clear the password, so see if that's the case 3518 // first. 3519 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 3520 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 3521 if (admin == null) { 3522 // Otherwise, make sure the caller has any active admin with the right policy. 3523 admin = getActiveAdminForCallerLocked(null, 3524 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 3525 } 3526 3527 final ComponentName adminComponent = admin.info.getComponent(); 3528 3529 // As of N, only profile owners and device owners can reset the password. 3530 if (!(isProfileOwner(adminComponent, userHandle) 3531 || isDeviceOwner(adminComponent, userHandle))) { 3532 final boolean preN = getTargetSdk(admin.info.getPackageName(), userHandle) 3533 < android.os.Build.VERSION_CODES.N; 3534 // As of N, password resetting to empty/null is not allowed anymore. 3535 // TODO Should we allow DO/PO to set an empty password? 3536 if (TextUtils.isEmpty(password)) { 3537 if (!preN) { 3538 throw new SecurityException("Cannot call with null password"); 3539 } else { 3540 Slog.e(LOG_TAG, "Cannot call with null password"); 3541 return false; 3542 } 3543 } 3544 // As of N, password cannot be changed by the admin if it is already set. 3545 if (isLockScreenSecureUnchecked(userHandle)) { 3546 if (!preN) { 3547 throw new SecurityException("Admin cannot change current password"); 3548 } else { 3549 Slog.e(LOG_TAG, "Admin cannot change current password"); 3550 return false; 3551 } 3552 } 3553 } 3554 quality = getPasswordQuality(null, userHandle, /* parent */ false); 3555 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 3556 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3557 } 3558 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 3559 int realQuality = LockPatternUtils.computePasswordQuality(password); 3560 if (realQuality < quality 3561 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3562 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 3563 + Integer.toHexString(realQuality) 3564 + " does not meet required quality 0x" 3565 + Integer.toHexString(quality)); 3566 return false; 3567 } 3568 quality = Math.max(realQuality, quality); 3569 } 3570 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 3571 if (password.length() < length) { 3572 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 3573 + " does not meet required length " + length); 3574 return false; 3575 } 3576 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3577 int letters = 0; 3578 int uppercase = 0; 3579 int lowercase = 0; 3580 int numbers = 0; 3581 int symbols = 0; 3582 int nonletter = 0; 3583 for (int i = 0; i < password.length(); i++) { 3584 char c = password.charAt(i); 3585 if (c >= 'A' && c <= 'Z') { 3586 letters++; 3587 uppercase++; 3588 } else if (c >= 'a' && c <= 'z') { 3589 letters++; 3590 lowercase++; 3591 } else if (c >= '0' && c <= '9') { 3592 numbers++; 3593 nonletter++; 3594 } else { 3595 symbols++; 3596 nonletter++; 3597 } 3598 } 3599 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 3600 if(letters < neededLetters) { 3601 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 3602 + " does not meet required number of letters " + neededLetters); 3603 return false; 3604 } 3605 int neededNumbers = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 3606 if (numbers < neededNumbers) { 3607 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 3608 + " does not meet required number of numerical digits " 3609 + neededNumbers); 3610 return false; 3611 } 3612 int neededLowerCase = getPasswordMinimumLowerCase( 3613 null, userHandle, /* parent */ false); 3614 if (lowercase < neededLowerCase) { 3615 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 3616 + " does not meet required number of lowercase letters " 3617 + neededLowerCase); 3618 return false; 3619 } 3620 int neededUpperCase = getPasswordMinimumUpperCase( 3621 null, userHandle, /* parent */ false); 3622 if (uppercase < neededUpperCase) { 3623 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 3624 + " does not meet required number of uppercase letters " 3625 + neededUpperCase); 3626 return false; 3627 } 3628 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 3629 if (symbols < neededSymbols) { 3630 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 3631 + " does not meet required number of special symbols " + neededSymbols); 3632 return false; 3633 } 3634 int neededNonLetter = getPasswordMinimumNonLetter( 3635 null, userHandle, /* parent */ false); 3636 if (nonletter < neededNonLetter) { 3637 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 3638 + " does not meet required number of non-letter characters " 3639 + neededNonLetter); 3640 return false; 3641 } 3642 } 3643 } 3644 3645 DevicePolicyData policy = getUserData(userHandle); 3646 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 3647 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 3648 return false; 3649 } 3650 3651 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 3652 boolean doNotAskCredentialsOnBoot = 3653 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 3654 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 3655 setDoNotAskCredentialsOnBoot(); 3656 } 3657 3658 // Don't do this with the lock held, because it is going to call 3659 // back in to the service. 3660 final long ident = mInjector.binderClearCallingIdentity(); 3661 try { 3662 if (!TextUtils.isEmpty(password)) { 3663 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 3664 } else { 3665 mLockPatternUtils.clearLock(userHandle); 3666 } 3667 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 3668 if (requireEntry) { 3669 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 3670 UserHandle.USER_ALL); 3671 } 3672 synchronized (this) { 3673 int newOwner = requireEntry ? callingUid : -1; 3674 if (policy.mPasswordOwner != newOwner) { 3675 policy.mPasswordOwner = newOwner; 3676 saveSettingsLocked(userHandle); 3677 } 3678 } 3679 } finally { 3680 mInjector.binderRestoreCallingIdentity(ident); 3681 } 3682 3683 return true; 3684 } 3685 3686 private boolean isLockScreenSecureUnchecked(int userId) { 3687 long ident = mInjector.binderClearCallingIdentity(); 3688 try { 3689 return mLockPatternUtils.isSecure(userId); 3690 } finally { 3691 mInjector.binderRestoreCallingIdentity(ident); 3692 } 3693 } 3694 3695 private void setDoNotAskCredentialsOnBoot() { 3696 synchronized (this) { 3697 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 3698 if (!policyData.doNotAskCredentialsOnBoot) { 3699 policyData.doNotAskCredentialsOnBoot = true; 3700 saveSettingsLocked(UserHandle.USER_SYSTEM); 3701 } 3702 } 3703 } 3704 3705 @Override 3706 public boolean getDoNotAskCredentialsOnBoot() { 3707 mContext.enforceCallingOrSelfPermission( 3708 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 3709 synchronized (this) { 3710 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 3711 return policyData.doNotAskCredentialsOnBoot; 3712 } 3713 } 3714 3715 @Override 3716 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 3717 if (!mHasFeature) { 3718 return; 3719 } 3720 Preconditions.checkNotNull(who, "ComponentName is null"); 3721 final int userHandle = mInjector.userHandleGetCallingUserId(); 3722 synchronized (this) { 3723 ActiveAdmin ap = getActiveAdminForCallerLocked( 3724 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 3725 if (ap.maximumTimeToUnlock != timeMs) { 3726 ap.maximumTimeToUnlock = timeMs; 3727 saveSettingsLocked(userHandle); 3728 updateMaximumTimeToLockLocked(userHandle); 3729 } 3730 } 3731 } 3732 3733 void updateMaximumTimeToLockLocked(int userHandle) { 3734 // Calculate the min timeout for all profiles - including the ones with a separate 3735 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 3736 // challenge only and keep the screen on. However there is no easy way of doing that at the 3737 // moment so we set the screen off timeout regardless of whether it affects the parent user 3738 // or the profile challenge only. 3739 long timeMs = Integer.MAX_VALUE; 3740 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3741 for (UserInfo userInfo : profiles) { 3742 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3743 final int N = policy.mAdminList.size(); 3744 for (int i = 0; i < N; i++) { 3745 ActiveAdmin admin = policy.mAdminList.get(i); 3746 if (admin.maximumTimeToUnlock > 0 3747 && timeMs > admin.maximumTimeToUnlock) { 3748 timeMs = admin.maximumTimeToUnlock; 3749 } 3750 } 3751 } 3752 3753 // We only store the last maximum time to lock on the parent profile. So if calling from a 3754 // managed profile, retrieve the policy for the parent. 3755 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 3756 if (policy.mLastMaximumTimeToLock == timeMs) { 3757 return; 3758 } 3759 policy.mLastMaximumTimeToLock = timeMs; 3760 3761 final long ident = mInjector.binderClearCallingIdentity(); 3762 try { 3763 if (policy.mLastMaximumTimeToLock != Integer.MAX_VALUE) { 3764 // Make sure KEEP_SCREEN_ON is disabled, since that 3765 // would allow bypassing of the maximum time to lock. 3766 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 3767 } 3768 3769 // TODO It can overflow. Cap it. 3770 mInjector.getPowerManagerInternal() 3771 .setMaximumScreenOffTimeoutFromDeviceAdmin((int)policy.mLastMaximumTimeToLock); 3772 } finally { 3773 mInjector.binderRestoreCallingIdentity(ident); 3774 } 3775 } 3776 3777 @Override 3778 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 3779 if (!mHasFeature) { 3780 return 0; 3781 } 3782 enforceFullCrossUsersPermission(userHandle); 3783 synchronized (this) { 3784 long time = 0; 3785 3786 if (who != null) { 3787 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3788 return admin != null ? admin.maximumTimeToUnlock : time; 3789 } 3790 3791 // Return the strictest policy across all participating admins. 3792 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 3793 userHandle, parent); 3794 final int N = admins.size(); 3795 for (int i = 0; i < N; i++) { 3796 ActiveAdmin admin = admins.get(i); 3797 if (time == 0) { 3798 time = admin.maximumTimeToUnlock; 3799 } else if (admin.maximumTimeToUnlock != 0 3800 && time > admin.maximumTimeToUnlock) { 3801 time = admin.maximumTimeToUnlock; 3802 } 3803 } 3804 return time; 3805 } 3806 } 3807 3808 @Override 3809 public void lockNow(boolean parent) { 3810 if (!mHasFeature) { 3811 return; 3812 } 3813 synchronized (this) { 3814 // This API can only be called by an active device admin, 3815 // so try to retrieve it to check that the caller is one. 3816 getActiveAdminForCallerLocked( 3817 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 3818 3819 int userToLock = mInjector.userHandleGetCallingUserId(); 3820 3821 // Unless this is a managed profile with work challenge enabled, lock all users. 3822 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 3823 userToLock = UserHandle.USER_ALL; 3824 } 3825 final long ident = mInjector.binderClearCallingIdentity(); 3826 try { 3827 mLockPatternUtils.requireStrongAuth( 3828 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 3829 if (userToLock == UserHandle.USER_ALL) { 3830 // Power off the display 3831 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 3832 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 3833 mInjector.getIWindowManager().lockNow(null); 3834 } 3835 } catch (RemoteException e) { 3836 } finally { 3837 mInjector.binderRestoreCallingIdentity(ident); 3838 } 3839 } 3840 } 3841 3842 @Override 3843 public void enforceCanManageCaCerts(ComponentName who) { 3844 if (who == null) { 3845 if (!isCallerDelegatedCertInstaller()) { 3846 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 3847 } 3848 } else { 3849 synchronized (this) { 3850 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3851 } 3852 } 3853 } 3854 3855 private void enforceCanManageInstalledKeys(ComponentName who) { 3856 if (who == null) { 3857 if (!isCallerDelegatedCertInstaller()) { 3858 throw new SecurityException("who == null, but caller is not cert installer"); 3859 } 3860 } else { 3861 synchronized (this) { 3862 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3863 } 3864 } 3865 } 3866 3867 private boolean isCallerDelegatedCertInstaller() { 3868 final int callingUid = mInjector.binderGetCallingUid(); 3869 final int userHandle = UserHandle.getUserId(callingUid); 3870 synchronized (this) { 3871 final DevicePolicyData policy = getUserData(userHandle); 3872 if (policy.mDelegatedCertInstallerPackage == null) { 3873 return false; 3874 } 3875 3876 try { 3877 int uid = mContext.getPackageManager().getPackageUidAsUser( 3878 policy.mDelegatedCertInstallerPackage, userHandle); 3879 return uid == callingUid; 3880 } catch (NameNotFoundException e) { 3881 return false; 3882 } 3883 } 3884 } 3885 3886 @Override 3887 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 3888 enforceCanManageCaCerts(admin); 3889 3890 byte[] pemCert; 3891 try { 3892 X509Certificate cert = parseCert(certBuffer); 3893 pemCert = Credentials.convertToPem(cert); 3894 } catch (CertificateException ce) { 3895 Log.e(LOG_TAG, "Problem converting cert", ce); 3896 return false; 3897 } catch (IOException ioe) { 3898 Log.e(LOG_TAG, "Problem reading cert", ioe); 3899 return false; 3900 } 3901 3902 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3903 final long id = mInjector.binderClearCallingIdentity(); 3904 try { 3905 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3906 try { 3907 keyChainConnection.getService().installCaCertificate(pemCert); 3908 return true; 3909 } catch (RemoteException e) { 3910 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 3911 } finally { 3912 keyChainConnection.close(); 3913 } 3914 } catch (InterruptedException e1) { 3915 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 3916 Thread.currentThread().interrupt(); 3917 } finally { 3918 mInjector.binderRestoreCallingIdentity(id); 3919 } 3920 return false; 3921 } 3922 3923 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 3924 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 3925 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 3926 certBuffer)); 3927 } 3928 3929 @Override 3930 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 3931 enforceCanManageCaCerts(admin); 3932 3933 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3934 final long id = mInjector.binderClearCallingIdentity(); 3935 try { 3936 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3937 try { 3938 for (int i = 0 ; i < aliases.length; i++) { 3939 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 3940 } 3941 } catch (RemoteException e) { 3942 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 3943 } finally { 3944 keyChainConnection.close(); 3945 } 3946 } catch (InterruptedException ie) { 3947 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 3948 Thread.currentThread().interrupt(); 3949 } finally { 3950 mInjector.binderRestoreCallingIdentity(id); 3951 } 3952 } 3953 3954 @Override 3955 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias) { 3956 enforceCanManageInstalledKeys(who); 3957 3958 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3959 final long id = mInjector.binderClearCallingIdentity(); 3960 try { 3961 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3962 try { 3963 IKeyChainService keyChain = keyChainConnection.getService(); 3964 return keyChain.installKeyPair(privKey, cert, alias); 3965 } catch (RemoteException e) { 3966 Log.e(LOG_TAG, "Installing certificate", e); 3967 } finally { 3968 keyChainConnection.close(); 3969 } 3970 } catch (InterruptedException e) { 3971 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 3972 Thread.currentThread().interrupt(); 3973 } finally { 3974 mInjector.binderRestoreCallingIdentity(id); 3975 } 3976 return false; 3977 } 3978 3979 @Override 3980 public boolean removeKeyPair(ComponentName who, String alias) { 3981 enforceCanManageInstalledKeys(who); 3982 3983 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3984 final long id = Binder.clearCallingIdentity(); 3985 try { 3986 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3987 try { 3988 IKeyChainService keyChain = keyChainConnection.getService(); 3989 return keyChain.removeKeyPair(alias); 3990 } catch (RemoteException e) { 3991 Log.e(LOG_TAG, "Removing keypair", e); 3992 } finally { 3993 keyChainConnection.close(); 3994 } 3995 } catch (InterruptedException e) { 3996 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 3997 Thread.currentThread().interrupt(); 3998 } finally { 3999 Binder.restoreCallingIdentity(id); 4000 } 4001 return false; 4002 } 4003 4004 @Override 4005 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4006 final IBinder response) { 4007 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4008 if (!UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID)) { 4009 return; 4010 } 4011 4012 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4013 // If there is a profile owner, redirect to that; otherwise query the device owner. 4014 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4015 if (aliasChooser == null && caller.isSystem()) { 4016 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4017 if (deviceOwnerAdmin != null) { 4018 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4019 } 4020 } 4021 if (aliasChooser == null) { 4022 sendPrivateKeyAliasResponse(null, response); 4023 return; 4024 } 4025 4026 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4027 intent.setComponent(aliasChooser); 4028 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4029 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4030 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4031 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4032 4033 final long id = mInjector.binderClearCallingIdentity(); 4034 try { 4035 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4036 @Override 4037 public void onReceive(Context context, Intent intent) { 4038 final String chosenAlias = getResultData(); 4039 sendPrivateKeyAliasResponse(chosenAlias, response); 4040 } 4041 }, null, Activity.RESULT_OK, null, null); 4042 } finally { 4043 mInjector.binderRestoreCallingIdentity(id); 4044 } 4045 } 4046 4047 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4048 final IKeyChainAliasCallback keyChainAliasResponse = 4049 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4050 new AsyncTask<Void, Void, Void>() { 4051 @Override 4052 protected Void doInBackground(Void... unused) { 4053 try { 4054 keyChainAliasResponse.alias(alias); 4055 } catch (Exception e) { 4056 // Catch everything (not just RemoteException): caller could throw a 4057 // RuntimeException back across processes. 4058 Log.e(LOG_TAG, "error while responding to callback", e); 4059 } 4060 return null; 4061 } 4062 }.execute(); 4063 } 4064 4065 @Override 4066 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4067 throws SecurityException { 4068 int userHandle = UserHandle.getCallingUserId(); 4069 synchronized (this) { 4070 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4071 DevicePolicyData policy = getUserData(userHandle); 4072 policy.mDelegatedCertInstallerPackage = installerPackage; 4073 saveSettingsLocked(userHandle); 4074 } 4075 } 4076 4077 @Override 4078 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4079 int userHandle = UserHandle.getCallingUserId(); 4080 synchronized (this) { 4081 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4082 DevicePolicyData policy = getUserData(userHandle); 4083 return policy.mDelegatedCertInstallerPackage; 4084 } 4085 } 4086 4087 @Override 4088 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage) 4089 throws SecurityException { 4090 synchronized (this) { 4091 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4092 } 4093 4094 final int userId = mInjector.userHandleGetCallingUserId(); 4095 final long token = mInjector.binderClearCallingIdentity(); 4096 try{ 4097 ConnectivityManager connectivityManager = (ConnectivityManager) 4098 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4099 return connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage); 4100 } finally { 4101 mInjector.binderRestoreCallingIdentity(token); 4102 } 4103 } 4104 4105 @Override 4106 public String getAlwaysOnVpnPackage(ComponentName admin) 4107 throws SecurityException { 4108 synchronized (this) { 4109 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4110 } 4111 4112 final int userId = mInjector.userHandleGetCallingUserId(); 4113 final long token = mInjector.binderClearCallingIdentity(); 4114 try{ 4115 ConnectivityManager connectivityManager = (ConnectivityManager) 4116 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4117 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4118 } finally { 4119 mInjector.binderRestoreCallingIdentity(token); 4120 } 4121 } 4122 4123 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 4124 if (wipeExtRequested) { 4125 StorageManager sm = (StorageManager) mContext.getSystemService( 4126 Context.STORAGE_SERVICE); 4127 sm.wipeAdoptableDisks(); 4128 } 4129 try { 4130 RecoverySystem.rebootWipeUserData(mContext, reason); 4131 } catch (IOException | SecurityException e) { 4132 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4133 } 4134 } 4135 4136 @Override 4137 public void wipeData(int flags) { 4138 if (!mHasFeature) { 4139 return; 4140 } 4141 final int userHandle = mInjector.userHandleGetCallingUserId(); 4142 enforceFullCrossUsersPermission(userHandle); 4143 synchronized (this) { 4144 // This API can only be called by an active device admin, 4145 // so try to retrieve it to check that the caller is one. 4146 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4147 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4148 4149 final String source = admin.info.getComponent().flattenToShortString(); 4150 4151 long ident = mInjector.binderClearCallingIdentity(); 4152 try { 4153 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4154 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4155 throw new SecurityException( 4156 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4157 } 4158 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4159 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4160 if (manager != null) { 4161 manager.wipe(); 4162 } 4163 } 4164 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4165 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4166 "DevicePolicyManager.wipeData() from " + source); 4167 } finally { 4168 mInjector.binderRestoreCallingIdentity(ident); 4169 } 4170 } 4171 } 4172 4173 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 4174 if (userHandle == UserHandle.USER_SYSTEM) { 4175 wipeDataLocked(wipeExtRequested, reason); 4176 } else { 4177 mHandler.post(new Runnable() { 4178 @Override 4179 public void run() { 4180 try { 4181 IActivityManager am = mInjector.getIActivityManager(); 4182 if (am.getCurrentUser().id == userHandle) { 4183 am.switchUser(UserHandle.USER_SYSTEM); 4184 } 4185 4186 boolean isManagedProfile = isManagedProfile(userHandle); 4187 if (!mUserManager.removeUser(userHandle)) { 4188 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4189 } else if (isManagedProfile) { 4190 sendWipeProfileNotification(); 4191 } 4192 } catch (RemoteException re) { 4193 // Shouldn't happen 4194 } 4195 } 4196 }); 4197 } 4198 } 4199 4200 private void sendWipeProfileNotification() { 4201 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4202 Notification notification = new Notification.Builder(mContext) 4203 .setSmallIcon(android.R.drawable.stat_sys_warning) 4204 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4205 .setContentText(contentText) 4206 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4207 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4208 .build(); 4209 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4210 } 4211 4212 private void clearWipeProfileNotification() { 4213 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4214 } 4215 4216 @Override 4217 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4218 if (!mHasFeature) { 4219 return; 4220 } 4221 enforceFullCrossUsersPermission(userHandle); 4222 mContext.enforceCallingOrSelfPermission( 4223 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4224 4225 synchronized (this) { 4226 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4227 if (admin == null) { 4228 result.sendResult(null); 4229 return; 4230 } 4231 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4232 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4233 intent.setComponent(admin.info.getComponent()); 4234 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4235 null, new BroadcastReceiver() { 4236 @Override 4237 public void onReceive(Context context, Intent intent) { 4238 result.sendResult(getResultExtras(false)); 4239 } 4240 }, null, Activity.RESULT_OK, null, null); 4241 } 4242 } 4243 4244 @Override 4245 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4246 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4247 if (!mHasFeature) { 4248 return; 4249 } 4250 enforceFullCrossUsersPermission(userHandle); 4251 4252 // Managed Profile password can only be changed when it has a separate challenge. 4253 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4254 enforceNotManagedProfile(userHandle, "set the active password"); 4255 } 4256 4257 mContext.enforceCallingOrSelfPermission( 4258 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4259 validateQualityConstant(quality); 4260 4261 DevicePolicyData policy = getUserData(userHandle); 4262 4263 long ident = mInjector.binderClearCallingIdentity(); 4264 try { 4265 synchronized (this) { 4266 policy.mActivePasswordQuality = quality; 4267 policy.mActivePasswordLength = length; 4268 policy.mActivePasswordLetters = letters; 4269 policy.mActivePasswordLowerCase = lowercase; 4270 policy.mActivePasswordUpperCase = uppercase; 4271 policy.mActivePasswordNumeric = numbers; 4272 policy.mActivePasswordSymbols = symbols; 4273 policy.mActivePasswordNonLetter = nonletter; 4274 policy.mFailedPasswordAttempts = 0; 4275 saveSettingsLocked(userHandle); 4276 updatePasswordExpirationsLocked(userHandle); 4277 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 4278 4279 // Send a broadcast to each profile using this password as its primary unlock. 4280 sendAdminCommandForLockscreenPoliciesLocked( 4281 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4282 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4283 } 4284 } finally { 4285 mInjector.binderRestoreCallingIdentity(ident); 4286 } 4287 } 4288 4289 /** 4290 * Called any time the device password is updated. Resets all password expiration clocks. 4291 */ 4292 private void updatePasswordExpirationsLocked(int userHandle) { 4293 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4294 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4295 userHandle, /* parent */ false); 4296 final int N = admins.size(); 4297 for (int i = 0; i < N; i++) { 4298 ActiveAdmin admin = admins.get(i); 4299 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4300 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4301 long timeout = admin.passwordExpirationTimeout; 4302 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4303 admin.passwordExpirationDate = expiration; 4304 } 4305 } 4306 for (int affectedUserId : affectedUserIds) { 4307 saveSettingsLocked(affectedUserId); 4308 } 4309 } 4310 4311 @Override 4312 public void reportFailedPasswordAttempt(int userHandle) { 4313 enforceFullCrossUsersPermission(userHandle); 4314 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4315 enforceNotManagedProfile(userHandle, 4316 "report failed password attempt if separate profile challenge is not in place"); 4317 } 4318 mContext.enforceCallingOrSelfPermission( 4319 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4320 4321 final long ident = mInjector.binderClearCallingIdentity(); 4322 try { 4323 boolean wipeData = false; 4324 int identifier = 0; 4325 synchronized (this) { 4326 DevicePolicyData policy = getUserData(userHandle); 4327 policy.mFailedPasswordAttempts++; 4328 saveSettingsLocked(userHandle); 4329 if (mHasFeature) { 4330 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4331 userHandle, /* parent */ false); 4332 int max = strictestAdmin != null 4333 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4334 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4335 // Wipe the user/profile associated with the policy that was violated. This 4336 // is not necessarily calling user: if the policy that fired was from a 4337 // managed profile rather than the main user profile, we wipe former only. 4338 wipeData = true; 4339 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4340 } 4341 4342 sendAdminCommandForLockscreenPoliciesLocked( 4343 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4344 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4345 } 4346 } 4347 if (wipeData) { 4348 // Call without holding lock. 4349 wipeDeviceOrUserLocked(false, identifier, 4350 "reportFailedPasswordAttempt()"); 4351 } 4352 } finally { 4353 mInjector.binderRestoreCallingIdentity(ident); 4354 } 4355 } 4356 4357 @Override 4358 public void reportSuccessfulPasswordAttempt(int userHandle) { 4359 enforceFullCrossUsersPermission(userHandle); 4360 mContext.enforceCallingOrSelfPermission( 4361 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4362 4363 synchronized (this) { 4364 DevicePolicyData policy = getUserData(userHandle); 4365 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4366 long ident = mInjector.binderClearCallingIdentity(); 4367 try { 4368 policy.mFailedPasswordAttempts = 0; 4369 policy.mPasswordOwner = -1; 4370 saveSettingsLocked(userHandle); 4371 if (mHasFeature) { 4372 sendAdminCommandForLockscreenPoliciesLocked( 4373 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4374 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4375 } 4376 } finally { 4377 mInjector.binderRestoreCallingIdentity(ident); 4378 } 4379 } 4380 } 4381 } 4382 4383 @Override 4384 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 4385 String exclusionList) { 4386 if (!mHasFeature) { 4387 return null; 4388 } 4389 synchronized(this) { 4390 Preconditions.checkNotNull(who, "ComponentName is null"); 4391 4392 // Only check if system user has set global proxy. We don't allow other users to set it. 4393 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4394 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4395 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 4396 4397 // Scan through active admins and find if anyone has already 4398 // set the global proxy. 4399 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 4400 for (ComponentName component : compSet) { 4401 ActiveAdmin ap = policy.mAdminMap.get(component); 4402 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 4403 // Another admin already sets the global proxy 4404 // Return it to the caller. 4405 return component; 4406 } 4407 } 4408 4409 // If the user is not system, don't set the global proxy. Fail silently. 4410 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 4411 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 4412 + UserHandle.getCallingUserId() + " is not permitted."); 4413 return null; 4414 } 4415 if (proxySpec == null) { 4416 admin.specifiesGlobalProxy = false; 4417 admin.globalProxySpec = null; 4418 admin.globalProxyExclusionList = null; 4419 } else { 4420 4421 admin.specifiesGlobalProxy = true; 4422 admin.globalProxySpec = proxySpec; 4423 admin.globalProxyExclusionList = exclusionList; 4424 } 4425 4426 // Reset the global proxy accordingly 4427 // Do this using system permissions, as apps cannot write to secure settings 4428 long origId = mInjector.binderClearCallingIdentity(); 4429 try { 4430 resetGlobalProxyLocked(policy); 4431 } finally { 4432 mInjector.binderRestoreCallingIdentity(origId); 4433 } 4434 return null; 4435 } 4436 } 4437 4438 @Override 4439 public ComponentName getGlobalProxyAdmin(int userHandle) { 4440 if (!mHasFeature) { 4441 return null; 4442 } 4443 enforceFullCrossUsersPermission(userHandle); 4444 synchronized(this) { 4445 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4446 // Scan through active admins and find if anyone has already 4447 // set the global proxy. 4448 final int N = policy.mAdminList.size(); 4449 for (int i = 0; i < N; i++) { 4450 ActiveAdmin ap = policy.mAdminList.get(i); 4451 if (ap.specifiesGlobalProxy) { 4452 // Device admin sets the global proxy 4453 // Return it to the caller. 4454 return ap.info.getComponent(); 4455 } 4456 } 4457 } 4458 // No device admin sets the global proxy. 4459 return null; 4460 } 4461 4462 @Override 4463 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 4464 synchronized (this) { 4465 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4466 } 4467 long token = mInjector.binderClearCallingIdentity(); 4468 try { 4469 ConnectivityManager connectivityManager = (ConnectivityManager) 4470 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4471 connectivityManager.setGlobalProxy(proxyInfo); 4472 } finally { 4473 mInjector.binderRestoreCallingIdentity(token); 4474 } 4475 } 4476 4477 private void resetGlobalProxyLocked(DevicePolicyData policy) { 4478 final int N = policy.mAdminList.size(); 4479 for (int i = 0; i < N; i++) { 4480 ActiveAdmin ap = policy.mAdminList.get(i); 4481 if (ap.specifiesGlobalProxy) { 4482 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 4483 return; 4484 } 4485 } 4486 // No device admins defining global proxies - reset global proxy settings to none 4487 saveGlobalProxyLocked(null, null); 4488 } 4489 4490 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 4491 if (exclusionList == null) { 4492 exclusionList = ""; 4493 } 4494 if (proxySpec == null) { 4495 proxySpec = ""; 4496 } 4497 // Remove white spaces 4498 proxySpec = proxySpec.trim(); 4499 String data[] = proxySpec.split(":"); 4500 int proxyPort = 8080; 4501 if (data.length > 1) { 4502 try { 4503 proxyPort = Integer.parseInt(data[1]); 4504 } catch (NumberFormatException e) {} 4505 } 4506 exclusionList = exclusionList.trim(); 4507 4508 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 4509 if (!proxyProperties.isValid()) { 4510 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 4511 return; 4512 } 4513 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 4514 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 4515 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 4516 exclusionList); 4517 } 4518 4519 /** 4520 * Set the storage encryption request for a single admin. Returns the new total request 4521 * status (for all admins). 4522 */ 4523 @Override 4524 public int setStorageEncryption(ComponentName who, boolean encrypt) { 4525 if (!mHasFeature) { 4526 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4527 } 4528 Preconditions.checkNotNull(who, "ComponentName is null"); 4529 final int userHandle = UserHandle.getCallingUserId(); 4530 synchronized (this) { 4531 // Check for permissions 4532 // Only system user can set storage encryption 4533 if (userHandle != UserHandle.USER_SYSTEM) { 4534 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 4535 + UserHandle.getCallingUserId() + " is not permitted."); 4536 return 0; 4537 } 4538 4539 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4540 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 4541 4542 // Quick exit: If the filesystem does not support encryption, we can exit early. 4543 if (!isEncryptionSupported()) { 4544 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4545 } 4546 4547 // (1) Record the value for the admin so it's sticky 4548 if (ap.encryptionRequested != encrypt) { 4549 ap.encryptionRequested = encrypt; 4550 saveSettingsLocked(userHandle); 4551 } 4552 4553 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4554 // (2) Compute "max" for all admins 4555 boolean newRequested = false; 4556 final int N = policy.mAdminList.size(); 4557 for (int i = 0; i < N; i++) { 4558 newRequested |= policy.mAdminList.get(i).encryptionRequested; 4559 } 4560 4561 // Notify OS of new request 4562 setEncryptionRequested(newRequested); 4563 4564 // Return the new global request status 4565 return newRequested 4566 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 4567 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 4568 } 4569 } 4570 4571 /** 4572 * Get the current storage encryption request status for a given admin, or aggregate of all 4573 * active admins. 4574 */ 4575 @Override 4576 public boolean getStorageEncryption(ComponentName who, int userHandle) { 4577 if (!mHasFeature) { 4578 return false; 4579 } 4580 enforceFullCrossUsersPermission(userHandle); 4581 synchronized (this) { 4582 // Check for permissions if a particular caller is specified 4583 if (who != null) { 4584 // When checking for a single caller, status is based on caller's request 4585 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 4586 return ap != null ? ap.encryptionRequested : false; 4587 } 4588 4589 // If no particular caller is specified, return the aggregate set of requests. 4590 // This is short circuited by returning true on the first hit. 4591 DevicePolicyData policy = getUserData(userHandle); 4592 final int N = policy.mAdminList.size(); 4593 for (int i = 0; i < N; i++) { 4594 if (policy.mAdminList.get(i).encryptionRequested) { 4595 return true; 4596 } 4597 } 4598 return false; 4599 } 4600 } 4601 4602 /** 4603 * Get the current encryption status of the device. 4604 */ 4605 @Override 4606 public int getStorageEncryptionStatus(int userHandle) { 4607 if (!mHasFeature) { 4608 // Ok to return current status. 4609 } 4610 enforceFullCrossUsersPermission(userHandle); 4611 return getEncryptionStatus(); 4612 } 4613 4614 /** 4615 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 4616 */ 4617 private boolean isEncryptionSupported() { 4618 // Note, this can be implemented as 4619 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4620 // But is provided as a separate internal method if there's a faster way to do a 4621 // simple check for supported-or-not. 4622 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4623 } 4624 4625 /** 4626 * Hook to low-levels: Reporting the current status of encryption. 4627 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 4628 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 4629 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, or 4630 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 4631 */ 4632 private int getEncryptionStatus() { 4633 String status = mInjector.systemPropertiesGet("ro.crypto.state", "unsupported"); 4634 if ("encrypted".equalsIgnoreCase(status)) { 4635 final long token = mInjector.binderClearCallingIdentity(); 4636 try { 4637 return LockPatternUtils.isDeviceEncrypted() 4638 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 4639 : DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 4640 } finally { 4641 mInjector.binderRestoreCallingIdentity(token); 4642 } 4643 } else if ("unencrypted".equalsIgnoreCase(status)) { 4644 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 4645 } else { 4646 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4647 } 4648 } 4649 4650 /** 4651 * Hook to low-levels: If needed, record the new admin setting for encryption. 4652 */ 4653 private void setEncryptionRequested(boolean encrypt) { 4654 } 4655 4656 4657 /** 4658 * Set whether the screen capture is disabled for the user managed by the specified admin. 4659 */ 4660 @Override 4661 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 4662 if (!mHasFeature) { 4663 return; 4664 } 4665 Preconditions.checkNotNull(who, "ComponentName is null"); 4666 final int userHandle = UserHandle.getCallingUserId(); 4667 synchronized (this) { 4668 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4669 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4670 if (ap.disableScreenCapture != disabled) { 4671 ap.disableScreenCapture = disabled; 4672 saveSettingsLocked(userHandle); 4673 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 4674 } 4675 } 4676 } 4677 4678 /** 4679 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 4680 * active admin (if given admin is null). 4681 */ 4682 @Override 4683 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 4684 if (!mHasFeature) { 4685 return false; 4686 } 4687 synchronized (this) { 4688 if (who != null) { 4689 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 4690 return (admin != null) ? admin.disableScreenCapture : false; 4691 } 4692 4693 DevicePolicyData policy = getUserData(userHandle); 4694 final int N = policy.mAdminList.size(); 4695 for (int i = 0; i < N; i++) { 4696 ActiveAdmin admin = policy.mAdminList.get(i); 4697 if (admin.disableScreenCapture) { 4698 return true; 4699 } 4700 } 4701 return false; 4702 } 4703 } 4704 4705 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 4706 final boolean disabled) { 4707 mHandler.post(new Runnable() { 4708 @Override 4709 public void run() { 4710 try { 4711 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 4712 } catch (RemoteException e) { 4713 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 4714 } 4715 } 4716 }); 4717 } 4718 4719 /** 4720 * Set whether auto time is required by the specified admin (must be device owner). 4721 */ 4722 @Override 4723 public void setAutoTimeRequired(ComponentName who, boolean required) { 4724 if (!mHasFeature) { 4725 return; 4726 } 4727 Preconditions.checkNotNull(who, "ComponentName is null"); 4728 final int userHandle = UserHandle.getCallingUserId(); 4729 synchronized (this) { 4730 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4731 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4732 if (admin.requireAutoTime != required) { 4733 admin.requireAutoTime = required; 4734 saveSettingsLocked(userHandle); 4735 } 4736 } 4737 4738 // Turn AUTO_TIME on in settings if it is required 4739 if (required) { 4740 long ident = mInjector.binderClearCallingIdentity(); 4741 try { 4742 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 4743 } finally { 4744 mInjector.binderRestoreCallingIdentity(ident); 4745 } 4746 } 4747 } 4748 4749 /** 4750 * Returns whether or not auto time is required by the device owner. 4751 */ 4752 @Override 4753 public boolean getAutoTimeRequired() { 4754 if (!mHasFeature) { 4755 return false; 4756 } 4757 synchronized (this) { 4758 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 4759 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 4760 } 4761 } 4762 4763 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 4764 synchronized (this) { 4765 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4766 } 4767 final long callingIdentity = mInjector.binderClearCallingIdentity(); 4768 try { 4769 if (mInjector.userManagerIsSplitSystemUser()) { 4770 // In split system user mode, only allow the case where the device owner is managing 4771 // the only non-system user of the device 4772 if (mUserManager.getUserCount() > 2 4773 || mOwners.getDeviceOwnerUserId() == UserHandle.USER_SYSTEM) { 4774 throw new SecurityException( 4775 "There should only be one user, managed by Device Owner"); 4776 } 4777 } else if (mUserManager.getUserCount() > 1) { 4778 throw new SecurityException( 4779 "There should only be one user, managed by Device Owner"); 4780 } 4781 } finally { 4782 mInjector.binderRestoreCallingIdentity(callingIdentity); 4783 } 4784 } 4785 4786 @Override 4787 public boolean requestBugreport(ComponentName who) { 4788 if (!mHasFeature) { 4789 return false; 4790 } 4791 Preconditions.checkNotNull(who, "ComponentName is null"); 4792 ensureDeviceOwnerManagingSingleUser(who); 4793 4794 if (mRemoteBugreportServiceIsActive.get() 4795 || (getDeviceOwnerRemoteBugreportUri() != null)) { 4796 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 4797 return false; 4798 } 4799 4800 final long callingIdentity = mInjector.binderClearCallingIdentity(); 4801 try { 4802 ActivityManagerNative.getDefault().requestBugReport( 4803 ActivityManager.BUGREPORT_OPTION_REMOTE); 4804 4805 mRemoteBugreportServiceIsActive.set(true); 4806 mRemoteBugreportSharingAccepted.set(false); 4807 registerRemoteBugreportReceivers(); 4808 mInjector.getNotificationManager().notify( 4809 LOG_TAG, RemoteBugreportUtils.REMOTE_BUGREPORT_CONSENT_NOTIFICATION_ID, 4810 RemoteBugreportUtils.buildRemoteBugreportConsentNotification(mContext)); 4811 mInjector.getNotificationManager().notify( 4812 LOG_TAG, RemoteBugreportUtils.REMOTE_BUGREPORT_IN_PROGRESS_NOTIFICATION_ID, 4813 RemoteBugreportUtils.buildRemoteBugreportInProgressNotification(mContext, 4814 /* canCancelBugReport */ true)); 4815 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 4816 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 4817 return true; 4818 } catch (RemoteException re) { 4819 // should never happen 4820 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 4821 return false; 4822 } finally { 4823 mInjector.binderRestoreCallingIdentity(callingIdentity); 4824 } 4825 } 4826 4827 private synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 4828 Intent intent = new Intent(action); 4829 intent.setComponent(mOwners.getDeviceOwnerComponent()); 4830 if (extras != null) { 4831 intent.putExtras(extras); 4832 } 4833 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 4834 } 4835 4836 private synchronized String getDeviceOwnerRemoteBugreportUri() { 4837 return mOwners.getDeviceOwnerRemoteBugreportUri(); 4838 } 4839 4840 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 4841 String bugreportHash) { 4842 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 4843 } 4844 4845 private void registerRemoteBugreportReceivers() { 4846 try { 4847 IntentFilter filterFinished = new IntentFilter( 4848 RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_DISPATCH, 4849 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 4850 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 4851 } catch (IntentFilter.MalformedMimeTypeException e) { 4852 // should never happen, as setting a constant 4853 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 4854 } 4855 IntentFilter filterConsent = new IntentFilter(); 4856 filterConsent.addAction(RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_DECLINED); 4857 filterConsent.addAction(RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_ACCEPTED); 4858 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 4859 } 4860 4861 private void onBugreportFinished(Intent intent) { 4862 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 4863 mRemoteBugreportServiceIsActive.set(false); 4864 mInjector.getNotificationManager().cancel(LOG_TAG, 4865 RemoteBugreportUtils.REMOTE_BUGREPORT_IN_PROGRESS_NOTIFICATION_ID); 4866 Uri bugreportUri = intent.getData(); 4867 String bugreportUriString = null; 4868 if (bugreportUri != null) { 4869 bugreportUriString = bugreportUri.toString(); 4870 } 4871 String bugreportHash = intent.getStringExtra( 4872 RemoteBugreportUtils.EXTRA_REMOTE_BUGREPORT_HASH); 4873 if (mRemoteBugreportSharingAccepted.get()) { 4874 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 4875 } else { 4876 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 4877 } 4878 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 4879 } 4880 4881 private void onBugreportFailed() { 4882 mRemoteBugreportServiceIsActive.set(false); 4883 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 4884 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 4885 mRemoteBugreportSharingAccepted.set(false); 4886 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 4887 mInjector.getNotificationManager().cancel(LOG_TAG, 4888 RemoteBugreportUtils.REMOTE_BUGREPORT_CONSENT_NOTIFICATION_ID); 4889 mInjector.getNotificationManager().cancel(LOG_TAG, 4890 RemoteBugreportUtils.REMOTE_BUGREPORT_IN_PROGRESS_NOTIFICATION_ID); 4891 Bundle extras = new Bundle(); 4892 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 4893 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 4894 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 4895 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 4896 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 4897 } 4898 4899 private void onBugreportSharingAccepted() { 4900 mRemoteBugreportSharingAccepted.set(true); 4901 String bugreportUriString = null; 4902 String bugreportHash = null; 4903 synchronized (this) { 4904 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 4905 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 4906 } 4907 if (bugreportUriString != null) { 4908 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 4909 } else if (mRemoteBugreportServiceIsActive.get()) { 4910 mInjector.getNotificationManager().notify(LOG_TAG, 4911 RemoteBugreportUtils.REMOTE_BUGREPORT_IN_PROGRESS_NOTIFICATION_ID, 4912 RemoteBugreportUtils.buildRemoteBugreportInProgressNotification(mContext, 4913 /* canCancelBugReport */ false)); 4914 } 4915 } 4916 4917 private void onBugreportSharingDeclined() { 4918 if (mRemoteBugreportServiceIsActive.get()) { 4919 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 4920 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 4921 mRemoteBugreportServiceIsActive.set(false); 4922 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 4923 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 4924 } 4925 mRemoteBugreportSharingAccepted.set(false); 4926 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 4927 mInjector.getNotificationManager().cancel(LOG_TAG, 4928 RemoteBugreportUtils.REMOTE_BUGREPORT_IN_PROGRESS_NOTIFICATION_ID); 4929 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 4930 } 4931 4932 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 4933 String bugreportHash) { 4934 ParcelFileDescriptor pfd = null; 4935 try { 4936 if (bugreportUriString == null) { 4937 throw new FileNotFoundException(); 4938 } 4939 Uri bugreportUri = Uri.parse(bugreportUriString); 4940 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 4941 4942 synchronized (this) { 4943 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 4944 intent.setComponent(mOwners.getDeviceOwnerComponent()); 4945 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 4946 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 4947 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 4948 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 4949 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 4950 } 4951 } catch (FileNotFoundException e) { 4952 Bundle extras = new Bundle(); 4953 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 4954 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 4955 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 4956 } finally { 4957 try { 4958 if (pfd != null) { 4959 pfd.close(); 4960 } 4961 } catch (IOException ex) { 4962 // Ignore 4963 } 4964 mRemoteBugreportSharingAccepted.set(false); 4965 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 4966 } 4967 } 4968 4969 /** 4970 * Disables all device cameras according to the specified admin. 4971 */ 4972 @Override 4973 public void setCameraDisabled(ComponentName who, boolean disabled) { 4974 if (!mHasFeature) { 4975 return; 4976 } 4977 Preconditions.checkNotNull(who, "ComponentName is null"); 4978 final int userHandle = mInjector.userHandleGetCallingUserId(); 4979 synchronized (this) { 4980 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4981 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 4982 if (ap.disableCamera != disabled) { 4983 ap.disableCamera = disabled; 4984 saveSettingsLocked(userHandle); 4985 } 4986 } 4987 // Tell the user manager that the restrictions have changed. 4988 pushUserRestrictions(userHandle); 4989 } 4990 4991 /** 4992 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 4993 * active admins. 4994 */ 4995 @Override 4996 public boolean getCameraDisabled(ComponentName who, int userHandle) { 4997 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 4998 } 4999 5000 private boolean getCameraDisabled(ComponentName who, int userHandle, 5001 boolean mergeDeviceOwnerRestriction) { 5002 if (!mHasFeature) { 5003 return false; 5004 } 5005 synchronized (this) { 5006 if (who != null) { 5007 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5008 return (admin != null) ? admin.disableCamera : false; 5009 } 5010 // First, see if DO has set it. If so, it's device-wide. 5011 if (mergeDeviceOwnerRestriction) { 5012 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5013 if (deviceOwner != null && deviceOwner.disableCamera) { 5014 return true; 5015 } 5016 } 5017 5018 // Then check each device admin on the user. 5019 DevicePolicyData policy = getUserData(userHandle); 5020 // Determine whether or not the device camera is disabled for any active admins. 5021 final int N = policy.mAdminList.size(); 5022 for (int i = 0; i < N; i++) { 5023 ActiveAdmin admin = policy.mAdminList.get(i); 5024 if (admin.disableCamera) { 5025 return true; 5026 } 5027 } 5028 return false; 5029 } 5030 } 5031 5032 @Override 5033 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5034 if (!mHasFeature) { 5035 return; 5036 } 5037 Preconditions.checkNotNull(who, "ComponentName is null"); 5038 final int userHandle = mInjector.userHandleGetCallingUserId(); 5039 if (isManagedProfile(userHandle)) { 5040 if (parent) { 5041 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5042 } else if (isSeparateProfileChallengeEnabled(userHandle)){ 5043 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_PROFILE; 5044 } else { 5045 which = which & PROFILE_KEYGUARD_FEATURES; 5046 } 5047 } 5048 synchronized (this) { 5049 ActiveAdmin ap = getActiveAdminForCallerLocked( 5050 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5051 if (ap.disabledKeyguardFeatures != which) { 5052 ap.disabledKeyguardFeatures = which; 5053 saveSettingsLocked(userHandle); 5054 } 5055 } 5056 } 5057 5058 /** 5059 * Gets the disabled state for features in keyguard for the given admin, 5060 * or the aggregate of all active admins if who is null. 5061 */ 5062 @Override 5063 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5064 if (!mHasFeature) { 5065 return 0; 5066 } 5067 enforceFullCrossUsersPermission(userHandle); 5068 final long ident = mInjector.binderClearCallingIdentity(); 5069 try { 5070 synchronized (this) { 5071 if (who != null) { 5072 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5073 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5074 } 5075 5076 final List<ActiveAdmin> admins; 5077 if (!parent && isManagedProfile(userHandle)) { 5078 // If we are being asked about a managed profile, just return keyguard features 5079 // disabled by admins in the profile. 5080 admins = getUserDataUnchecked(userHandle).mAdminList; 5081 } else { 5082 // Otherwise return those set by admins in the user and its profiles. 5083 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5084 } 5085 5086 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5087 final int N = admins.size(); 5088 for (int i = 0; i < N; i++) { 5089 ActiveAdmin admin = admins.get(i); 5090 int userId = admin.getUserHandle().getIdentifier(); 5091 if (userId == userHandle || !isManagedProfile(userHandle)) { 5092 // If we are being asked explicitly about this user 5093 // return all disabled features even if its a managed profile. 5094 which |= admin.disabledKeyguardFeatures; 5095 } else { 5096 // Otherwise a managed profile is only allowed to disable 5097 // some features on the parent user. 5098 which |= (admin.disabledKeyguardFeatures 5099 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5100 } 5101 } 5102 return which; 5103 } 5104 } finally { 5105 mInjector.binderRestoreCallingIdentity(ident); 5106 } 5107 } 5108 5109 @Override 5110 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5111 if (!mHasFeature) { 5112 return; 5113 } 5114 Preconditions.checkNotNull(who, "ComponentName is null"); 5115 Preconditions.checkNotNull(packageList, "packageList is null"); 5116 final int userHandle = UserHandle.getCallingUserId(); 5117 synchronized (this) { 5118 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5119 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5120 admin.keepUninstalledPackages = packageList; 5121 saveSettingsLocked(userHandle); 5122 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5123 } 5124 } 5125 5126 @Override 5127 public List<String> getKeepUninstalledPackages(ComponentName who) { 5128 Preconditions.checkNotNull(who, "ComponentName is null"); 5129 if (!mHasFeature) { 5130 return null; 5131 } 5132 // TODO In split system user mode, allow apps on user 0 to query the list 5133 synchronized (this) { 5134 // Check if this is the device owner who is calling 5135 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5136 return getKeepUninstalledPackagesLocked(); 5137 } 5138 } 5139 5140 private List<String> getKeepUninstalledPackagesLocked() { 5141 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5142 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5143 } 5144 5145 @Override 5146 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5147 if (!mHasFeature) { 5148 return false; 5149 } 5150 if (admin == null 5151 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5152 throw new IllegalArgumentException("Invalid component " + admin 5153 + " for device owner"); 5154 } 5155 synchronized (this) { 5156 enforceCanSetDeviceOwnerLocked(userId); 5157 5158 // Shutting down backup manager service permanently. 5159 long ident = mInjector.binderClearCallingIdentity(); 5160 try { 5161 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5162 } catch (RemoteException e) { 5163 throw new IllegalStateException("Failed deactivating backup service.", e); 5164 } finally { 5165 mInjector.binderRestoreCallingIdentity(ident); 5166 } 5167 5168 mOwners.setDeviceOwner(admin, ownerName, userId); 5169 mOwners.writeDeviceOwner(); 5170 updateDeviceOwnerLocked(); 5171 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5172 5173 ident = mInjector.binderClearCallingIdentity(); 5174 try { 5175 // TODO Send to system too? 5176 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5177 } finally { 5178 mInjector.binderRestoreCallingIdentity(ident); 5179 } 5180 return true; 5181 } 5182 } 5183 5184 public boolean isDeviceOwner(ComponentName who, int userId) { 5185 synchronized (this) { 5186 return mOwners.hasDeviceOwner() 5187 && mOwners.getDeviceOwnerUserId() == userId 5188 && mOwners.getDeviceOwnerComponent().equals(who); 5189 } 5190 } 5191 5192 public boolean isProfileOwner(ComponentName who, int userId) { 5193 final ComponentName profileOwner = getProfileOwner(userId); 5194 return who != null && who.equals(profileOwner); 5195 } 5196 5197 @Override 5198 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5199 if (!mHasFeature) { 5200 return null; 5201 } 5202 if (!callingUserOnly) { 5203 enforceManageUsers(); 5204 } 5205 synchronized (this) { 5206 if (!mOwners.hasDeviceOwner()) { 5207 return null; 5208 } 5209 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5210 mOwners.getDeviceOwnerUserId()) { 5211 return null; 5212 } 5213 return mOwners.getDeviceOwnerComponent(); 5214 } 5215 } 5216 5217 @Override 5218 public int getDeviceOwnerUserId() { 5219 if (!mHasFeature) { 5220 return UserHandle.USER_NULL; 5221 } 5222 enforceManageUsers(); 5223 synchronized (this) { 5224 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5225 } 5226 } 5227 5228 /** 5229 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5230 * MANAGE_USERS. 5231 */ 5232 @Override 5233 public String getDeviceOwnerName() { 5234 if (!mHasFeature) { 5235 return null; 5236 } 5237 enforceManageUsers(); 5238 synchronized (this) { 5239 if (!mOwners.hasDeviceOwner()) { 5240 return null; 5241 } 5242 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5243 // Should setDeviceOwner/ProfileOwner still take a name? 5244 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5245 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5246 } 5247 } 5248 5249 // Returns the active device owner or null if there is no device owner. 5250 @VisibleForTesting 5251 ActiveAdmin getDeviceOwnerAdminLocked() { 5252 ComponentName component = mOwners.getDeviceOwnerComponent(); 5253 if (component == null) { 5254 return null; 5255 } 5256 5257 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5258 final int n = policy.mAdminList.size(); 5259 for (int i = 0; i < n; i++) { 5260 ActiveAdmin admin = policy.mAdminList.get(i); 5261 if (component.equals(admin.info.getComponent())) { 5262 return admin; 5263 } 5264 } 5265 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5266 return null; 5267 } 5268 5269 @Override 5270 public void clearDeviceOwner(String packageName) { 5271 Preconditions.checkNotNull(packageName, "packageName is null"); 5272 final int callingUid = mInjector.binderGetCallingUid(); 5273 try { 5274 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 0); 5275 if (uid != callingUid) { 5276 throw new SecurityException("Invalid packageName"); 5277 } 5278 } catch (NameNotFoundException e) { 5279 throw new SecurityException(e); 5280 } 5281 synchronized (this) { 5282 if (!mOwners.hasDeviceOwner() 5283 || !mOwners.getDeviceOwnerComponent().getPackageName().equals(packageName) 5284 || (mOwners.getDeviceOwnerUserId() != UserHandle.getUserId(callingUid))) { 5285 throw new SecurityException( 5286 "clearDeviceOwner can only be called by the device owner"); 5287 } 5288 5289 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 5290 if (admin != null) { 5291 admin.disableCamera = false; 5292 admin.userRestrictions = null; 5293 } 5294 5295 clearUserPoliciesLocked(new UserHandle(UserHandle.USER_SYSTEM)); 5296 5297 mOwners.clearDeviceOwner(); 5298 mOwners.writeDeviceOwner(); 5299 updateDeviceOwnerLocked(); 5300 // Reactivate backup service. 5301 long ident = mInjector.binderClearCallingIdentity(); 5302 try { 5303 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 5304 } catch (RemoteException e) { 5305 throw new IllegalStateException("Failed reactivating backup service.", e); 5306 } finally { 5307 mInjector.binderRestoreCallingIdentity(ident); 5308 } 5309 } 5310 } 5311 5312 @Override 5313 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 5314 if (!mHasFeature) { 5315 return false; 5316 } 5317 if (who == null 5318 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 5319 throw new IllegalArgumentException("Component " + who 5320 + " not installed for userId:" + userHandle); 5321 } 5322 synchronized (this) { 5323 enforceCanSetProfileOwnerLocked(userHandle); 5324 mOwners.setProfileOwner(who, ownerName, userHandle); 5325 mOwners.writeProfileOwner(userHandle); 5326 return true; 5327 } 5328 } 5329 5330 @Override 5331 public void clearProfileOwner(ComponentName who) { 5332 if (!mHasFeature) { 5333 return; 5334 } 5335 UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 5336 // Check if this is the profile owner who is calling 5337 final ActiveAdmin admin = 5338 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5339 synchronized (this) { 5340 admin.disableCamera = false; 5341 admin.userRestrictions = null; 5342 clearUserPoliciesLocked(callingUser); 5343 final int userId = callingUser.getIdentifier(); 5344 mOwners.removeProfileOwner(userId); 5345 mOwners.writeProfileOwner(userId); 5346 } 5347 } 5348 5349 @Override 5350 public boolean setDeviceOwnerLockScreenInfo(ComponentName who, String info) { 5351 Preconditions.checkNotNull(who, "ComponentName is null"); 5352 if (!mHasFeature) { 5353 return false; 5354 } 5355 5356 synchronized (this) { 5357 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5358 long token = mInjector.binderClearCallingIdentity(); 5359 try { 5360 mLockPatternUtils.setDeviceOwnerInfo(info); 5361 } finally { 5362 mInjector.binderRestoreCallingIdentity(token); 5363 } 5364 return true; 5365 } 5366 } 5367 5368 @Override 5369 public String getDeviceOwnerLockScreenInfo() { 5370 return mLockPatternUtils.getDeviceOwnerInfo(); 5371 } 5372 5373 private void clearUserPoliciesLocked(UserHandle userHandle) { 5374 int userId = userHandle.getIdentifier(); 5375 // Reset some of the user-specific policies 5376 DevicePolicyData policy = getUserData(userId); 5377 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 5378 policy.mDelegatedCertInstallerPackage = null; 5379 policy.mApplicationRestrictionsManagingPackage = null; 5380 policy.mStatusBarDisabled = false; 5381 saveSettingsLocked(userId); 5382 5383 final long ident = mInjector.binderClearCallingIdentity(); 5384 try { 5385 mIPackageManager.updatePermissionFlagsForAllApps( 5386 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 5387 0 /* flagValues */, userHandle.getIdentifier()); 5388 pushUserRestrictions(userHandle.getIdentifier()); 5389 } catch (RemoteException re) { 5390 } finally { 5391 mInjector.binderRestoreCallingIdentity(ident); 5392 } 5393 } 5394 5395 @Override 5396 public boolean hasUserSetupCompleted() { 5397 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 5398 } 5399 5400 private boolean hasUserSetupCompleted(int userHandle) { 5401 if (!mHasFeature) { 5402 return true; 5403 } 5404 return getUserData(userHandle).mUserSetupComplete; 5405 } 5406 5407 @Override 5408 public void setProfileEnabled(ComponentName who) { 5409 if (!mHasFeature) { 5410 return; 5411 } 5412 Preconditions.checkNotNull(who, "ComponentName is null"); 5413 final int userHandle = UserHandle.getCallingUserId(); 5414 synchronized (this) { 5415 // Check if this is the profile owner who is calling 5416 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5417 int userId = UserHandle.getCallingUserId(); 5418 5419 long id = mInjector.binderClearCallingIdentity(); 5420 try { 5421 mUserManager.setUserEnabled(userId); 5422 UserInfo parent = mUserManager.getProfileParent(userId); 5423 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 5424 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userHandle)); 5425 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 5426 Intent.FLAG_RECEIVER_FOREGROUND); 5427 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 5428 } finally { 5429 mInjector.binderRestoreCallingIdentity(id); 5430 } 5431 } 5432 } 5433 5434 @Override 5435 public void setProfileName(ComponentName who, String profileName) { 5436 Preconditions.checkNotNull(who, "ComponentName is null"); 5437 int userId = UserHandle.getCallingUserId(); 5438 // Check if this is the profile owner (includes device owner). 5439 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5440 5441 long id = mInjector.binderClearCallingIdentity(); 5442 try { 5443 mUserManager.setUserName(userId, profileName); 5444 } finally { 5445 mInjector.binderRestoreCallingIdentity(id); 5446 } 5447 } 5448 5449 @Override 5450 public ComponentName getProfileOwner(int userHandle) { 5451 if (!mHasFeature) { 5452 return null; 5453 } 5454 5455 synchronized (this) { 5456 return mOwners.getProfileOwnerComponent(userHandle); 5457 } 5458 } 5459 5460 // Returns the active profile owner for this user or null if the current user has no 5461 // profile owner. 5462 @VisibleForTesting 5463 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 5464 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 5465 if (profileOwner == null) { 5466 return null; 5467 } 5468 DevicePolicyData policy = getUserData(userHandle); 5469 final int n = policy.mAdminList.size(); 5470 for (int i = 0; i < n; i++) { 5471 ActiveAdmin admin = policy.mAdminList.get(i); 5472 if (profileOwner.equals(admin.info.getComponent())) { 5473 return admin; 5474 } 5475 } 5476 return null; 5477 } 5478 5479 @Override 5480 public String getProfileOwnerName(int userHandle) { 5481 if (!mHasFeature) { 5482 return null; 5483 } 5484 enforceManageUsers(); 5485 ComponentName profileOwner = getProfileOwner(userHandle); 5486 if (profileOwner == null) { 5487 return null; 5488 } 5489 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 5490 } 5491 5492 /** 5493 * Canonical name for a given package. 5494 */ 5495 private String getApplicationLabel(String packageName, int userHandle) { 5496 long token = mInjector.binderClearCallingIdentity(); 5497 try { 5498 final Context userContext; 5499 try { 5500 UserHandle handle = new UserHandle(userHandle); 5501 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 5502 } catch (PackageManager.NameNotFoundException nnfe) { 5503 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 5504 return null; 5505 } 5506 ApplicationInfo appInfo = userContext.getApplicationInfo(); 5507 CharSequence result = null; 5508 if (appInfo != null) { 5509 PackageManager pm = userContext.getPackageManager(); 5510 result = pm.getApplicationLabel(appInfo); 5511 } 5512 return result != null ? result.toString() : null; 5513 } finally { 5514 mInjector.binderRestoreCallingIdentity(token); 5515 } 5516 } 5517 5518 /** 5519 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 5520 * permission. 5521 * The profile owner can only be set before the user setup phase has completed, 5522 * except for: 5523 * - SYSTEM_UID 5524 * - adb if there are not accounts. 5525 */ 5526 private void enforceCanSetProfileOwnerLocked(int userHandle) { 5527 UserInfo info = mUserManager.getUserInfo(userHandle); 5528 if (info == null) { 5529 // User doesn't exist. 5530 throw new IllegalArgumentException( 5531 "Attempted to set profile owner for invalid userId: " + userHandle); 5532 } 5533 if (info.isGuest()) { 5534 throw new IllegalStateException("Cannot set a profile owner on a guest"); 5535 } 5536 if (mOwners.hasProfileOwner(userHandle)) { 5537 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 5538 + "is already set."); 5539 } 5540 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 5541 throw new IllegalStateException("Trying to set the profile owner, but the user " 5542 + "already has a device owner."); 5543 } 5544 int callingUid = mInjector.binderGetCallingUid(); 5545 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 5546 if (hasUserSetupCompleted(userHandle) && 5547 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 5548 throw new IllegalStateException("Not allowed to set the profile owner because " 5549 + "there are already some accounts on the profile"); 5550 } 5551 return; 5552 } 5553 mContext.enforceCallingOrSelfPermission( 5554 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 5555 if (hasUserSetupCompleted(userHandle) 5556 && !UserHandle.isSameApp(callingUid, Process.SYSTEM_UID)) { 5557 throw new IllegalStateException("Cannot set the profile owner on a user which is " 5558 + "already set-up"); 5559 } 5560 } 5561 5562 /** 5563 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 5564 * permission. 5565 * The device owner can only be set before the setup phase of the primary user has completed, 5566 * except for adb if no accounts or additional users are present on the device. 5567 */ 5568 private void enforceCanSetDeviceOwnerLocked(int userId) { 5569 if (mOwners.hasDeviceOwner()) { 5570 throw new IllegalStateException("Trying to set the device owner, but device owner " 5571 + "is already set."); 5572 } 5573 if (mOwners.hasProfileOwner(userId)) { 5574 throw new IllegalStateException("Trying to set the device owner, but the user already " 5575 + "has a profile owner."); 5576 } 5577 if (!mUserManager.isUserRunning(new UserHandle(userId))) { 5578 throw new IllegalStateException("User not running: " + userId); 5579 } 5580 5581 int callingUid = mInjector.binderGetCallingUid(); 5582 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 5583 if (!hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 5584 return; 5585 } 5586 // STOPSHIP Do proper check in split user mode 5587 if (!mInjector.userManagerIsSplitSystemUser()) { 5588 if (mUserManager.getUserCount() > 1) { 5589 throw new IllegalStateException( 5590 "Not allowed to set the device owner because there " 5591 + "are already several users on the device"); 5592 } 5593 if (AccountManager.get(mContext).getAccounts().length > 0) { 5594 throw new IllegalStateException( 5595 "Not allowed to set the device owner because there " 5596 + "are already some accounts on the device"); 5597 } 5598 } 5599 return; 5600 } 5601 // STOPSHIP check the caller UID with userId 5602 5603 mContext.enforceCallingOrSelfPermission( 5604 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 5605 // STOPSHIP Do proper check in split user mode 5606 if (!mInjector.userManagerIsSplitSystemUser()) { 5607 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 5608 throw new IllegalStateException("Cannot set the device owner if the device is " 5609 + "already set-up"); 5610 } 5611 } 5612 } 5613 5614 private void enforceManageUsers() { 5615 final int callingUid = mInjector.binderGetCallingUid(); 5616 if (!(UserHandle.isSameApp(callingUid, Process.SYSTEM_UID) 5617 || callingUid == Process.ROOT_UID)) { 5618 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 5619 } 5620 } 5621 5622 private void enforceFullCrossUsersPermission(int userHandle) { 5623 enforceSystemUserOrPermission(userHandle, 5624 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 5625 } 5626 5627 private void enforceCrossUsersPermission(int userHandle) { 5628 enforceSystemUserOrPermission(userHandle, 5629 android.Manifest.permission.INTERACT_ACROSS_USERS); 5630 } 5631 5632 private void enforceSystemUserOrPermission(int userHandle, String permission) { 5633 if (userHandle < 0) { 5634 throw new IllegalArgumentException("Invalid userId " + userHandle); 5635 } 5636 final int callingUid = mInjector.binderGetCallingUid(); 5637 if (userHandle == UserHandle.getUserId(callingUid)) { 5638 return; 5639 } 5640 if (!(UserHandle.isSameApp(callingUid, Process.SYSTEM_UID) 5641 || callingUid == Process.ROOT_UID)) { 5642 mContext.enforceCallingOrSelfPermission(permission, 5643 "Must be system or have " + permission + " permission"); 5644 } 5645 } 5646 5647 private void enforceManagedProfile(int userHandle, String message) { 5648 if(!isManagedProfile(userHandle)) { 5649 throw new SecurityException("You can not " + message + " outside a managed profile."); 5650 } 5651 } 5652 5653 private void enforceNotManagedProfile(int userHandle, String message) { 5654 if(isManagedProfile(userHandle)) { 5655 throw new SecurityException("You can not " + message + " for a managed profile."); 5656 } 5657 } 5658 5659 private int getProfileParentId(int userHandle) { 5660 final long ident = mInjector.binderClearCallingIdentity(); 5661 try { 5662 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 5663 return parentUser != null ? parentUser.id : userHandle; 5664 } finally { 5665 mInjector.binderRestoreCallingIdentity(ident); 5666 } 5667 } 5668 5669 private int getCredentialOwner(int userHandle, boolean parent) { 5670 final long ident = mInjector.binderClearCallingIdentity(); 5671 try { 5672 if (parent) { 5673 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 5674 if (parentProfile != null) { 5675 userHandle = parentProfile.id; 5676 } 5677 } 5678 return mUserManager.getCredentialOwnerProfile(userHandle); 5679 } finally { 5680 mInjector.binderRestoreCallingIdentity(ident); 5681 } 5682 } 5683 5684 private boolean isManagedProfile(int userHandle) { 5685 long ident = mInjector.binderClearCallingIdentity(); 5686 try { 5687 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 5688 } finally { 5689 mInjector.binderRestoreCallingIdentity(ident); 5690 } 5691 } 5692 5693 private void enableIfNecessary(String packageName, int userId) { 5694 try { 5695 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 5696 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 5697 userId); 5698 if (ai.enabledSetting 5699 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 5700 mIPackageManager.setApplicationEnabledSetting(packageName, 5701 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 5702 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 5703 } 5704 } catch (RemoteException e) { 5705 } 5706 } 5707 5708 @Override 5709 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 5710 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 5711 != PackageManager.PERMISSION_GRANTED) { 5712 5713 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 5714 + mInjector.binderGetCallingPid() 5715 + ", uid=" + mInjector.binderGetCallingUid()); 5716 return; 5717 } 5718 5719 synchronized (this) { 5720 pw.println("Current Device Policy Manager state:"); 5721 mOwners.dump(" ", pw); 5722 int userCount = mUserData.size(); 5723 for (int u = 0; u < userCount; u++) { 5724 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 5725 pw.println(); 5726 pw.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); 5727 final int N = policy.mAdminList.size(); 5728 for (int i=0; i<N; i++) { 5729 ActiveAdmin ap = policy.mAdminList.get(i); 5730 if (ap != null) { 5731 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 5732 pw.println(":"); 5733 ap.dump(" ", pw); 5734 } 5735 } 5736 if (!policy.mRemovingAdmins.isEmpty()) { 5737 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 5738 + policy.mRemovingAdmins); 5739 } 5740 5741 pw.println(" "); 5742 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 5743 } 5744 } 5745 } 5746 5747 @Override 5748 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 5749 ComponentName activity) { 5750 Preconditions.checkNotNull(who, "ComponentName is null"); 5751 final int userHandle = UserHandle.getCallingUserId(); 5752 synchronized (this) { 5753 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5754 5755 long id = mInjector.binderClearCallingIdentity(); 5756 try { 5757 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 5758 } catch (RemoteException re) { 5759 // Shouldn't happen 5760 } finally { 5761 mInjector.binderRestoreCallingIdentity(id); 5762 } 5763 } 5764 } 5765 5766 @Override 5767 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 5768 Preconditions.checkNotNull(who, "ComponentName is null"); 5769 final int userHandle = UserHandle.getCallingUserId(); 5770 synchronized (this) { 5771 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5772 5773 long id = mInjector.binderClearCallingIdentity(); 5774 try { 5775 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 5776 } catch (RemoteException re) { 5777 // Shouldn't happen 5778 } finally { 5779 mInjector.binderRestoreCallingIdentity(id); 5780 } 5781 } 5782 } 5783 5784 @Override 5785 public void setApplicationRestrictionsManagingPackage(ComponentName admin, String packageName) { 5786 final int userHandle = mInjector.userHandleGetCallingUserId(); 5787 synchronized (this) { 5788 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5789 DevicePolicyData policy = getUserData(userHandle); 5790 policy.mApplicationRestrictionsManagingPackage = packageName; 5791 saveSettingsLocked(userHandle); 5792 } 5793 } 5794 5795 @Override 5796 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 5797 final int userHandle = mInjector.userHandleGetCallingUserId(); 5798 synchronized (this) { 5799 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5800 DevicePolicyData policy = getUserData(userHandle); 5801 return policy.mApplicationRestrictionsManagingPackage; 5802 } 5803 } 5804 5805 @Override 5806 public boolean isCallerApplicationRestrictionsManagingPackage() { 5807 final int callingUid = mInjector.binderGetCallingUid(); 5808 final int userHandle = UserHandle.getUserId(callingUid); 5809 synchronized (this) { 5810 final DevicePolicyData policy = getUserData(userHandle); 5811 if (policy.mApplicationRestrictionsManagingPackage == null) { 5812 return false; 5813 } 5814 5815 try { 5816 int uid = mContext.getPackageManager().getPackageUidAsUser( 5817 policy.mApplicationRestrictionsManagingPackage, userHandle); 5818 return uid == callingUid; 5819 } catch (NameNotFoundException e) { 5820 return false; 5821 } 5822 } 5823 } 5824 5825 private void enforceCanManageApplicationRestrictions(ComponentName who) { 5826 if (who != null) { 5827 synchronized (this) { 5828 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5829 } 5830 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 5831 throw new SecurityException( 5832 "No admin component given, and caller cannot manage application restrictions " 5833 + "for other apps."); 5834 } 5835 } 5836 5837 @Override 5838 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 5839 enforceCanManageApplicationRestrictions(who); 5840 5841 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 5842 final long id = mInjector.binderClearCallingIdentity(); 5843 try { 5844 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 5845 } finally { 5846 mInjector.binderRestoreCallingIdentity(id); 5847 } 5848 } 5849 5850 @Override 5851 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 5852 PersistableBundle args) { 5853 if (!mHasFeature) { 5854 return; 5855 } 5856 Preconditions.checkNotNull(admin, "admin is null"); 5857 Preconditions.checkNotNull(agent, "agent is null"); 5858 final int userHandle = UserHandle.getCallingUserId(); 5859 enforceNotManagedProfile(userHandle, "set trust agent configuration"); 5860 synchronized (this) { 5861 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 5862 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 5863 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 5864 saveSettingsLocked(userHandle); 5865 } 5866 } 5867 5868 @Override 5869 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 5870 ComponentName agent, int userHandle) { 5871 if (!mHasFeature) { 5872 return null; 5873 } 5874 Preconditions.checkNotNull(agent, "agent null"); 5875 enforceFullCrossUsersPermission(userHandle); 5876 5877 synchronized (this) { 5878 final String componentName = agent.flattenToString(); 5879 if (admin != null) { 5880 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 5881 if (ap == null) return null; 5882 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 5883 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 5884 List<PersistableBundle> result = new ArrayList<PersistableBundle>(); 5885 result.add(trustAgentInfo.options); 5886 return result; 5887 } 5888 5889 // Return strictest policy for this user and profiles that are visible from this user. 5890 final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 5891 List<PersistableBundle> result = null; 5892 5893 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 5894 // of the options. If any admin doesn't have options, discard options for the rest 5895 // and return null. 5896 boolean allAdminsHaveOptions = true; 5897 for (UserInfo userInfo : profiles) { 5898 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 5899 final int N = policy.mAdminList.size(); 5900 for (int i=0; i < N; i++) { 5901 final ActiveAdmin active = policy.mAdminList.get(i); 5902 final boolean disablesTrust = (active.disabledKeyguardFeatures 5903 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 5904 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 5905 if (info != null && info.options != null && !info.options.isEmpty()) { 5906 if (disablesTrust) { 5907 if (result == null) { 5908 result = new ArrayList<PersistableBundle>(); 5909 } 5910 result.add(info.options); 5911 } else { 5912 Log.w(LOG_TAG, "Ignoring admin " + active.info 5913 + " because it has trust options but doesn't declare " 5914 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 5915 } 5916 } else if (disablesTrust) { 5917 allAdminsHaveOptions = false; 5918 break; 5919 } 5920 } 5921 } 5922 return allAdminsHaveOptions ? result : null; 5923 } 5924 } 5925 5926 @Override 5927 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 5928 Preconditions.checkNotNull(who, "ComponentName is null"); 5929 synchronized (this) { 5930 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5931 5932 int userHandle = UserHandle.getCallingUserId(); 5933 DevicePolicyData userData = getUserData(userHandle); 5934 userData.mRestrictionsProvider = permissionProvider; 5935 saveSettingsLocked(userHandle); 5936 } 5937 } 5938 5939 @Override 5940 public ComponentName getRestrictionsProvider(int userHandle) { 5941 synchronized (this) { 5942 if (!UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID)) { 5943 throw new SecurityException("Only the system can query the permission provider"); 5944 } 5945 DevicePolicyData userData = getUserData(userHandle); 5946 return userData != null ? userData.mRestrictionsProvider : null; 5947 } 5948 } 5949 5950 @Override 5951 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 5952 Preconditions.checkNotNull(who, "ComponentName is null"); 5953 int callingUserId = UserHandle.getCallingUserId(); 5954 synchronized (this) { 5955 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5956 5957 long id = mInjector.binderClearCallingIdentity(); 5958 try { 5959 UserInfo parent = mUserManager.getProfileParent(callingUserId); 5960 if (parent == null) { 5961 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 5962 + "parent"); 5963 return; 5964 } 5965 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 5966 mIPackageManager.addCrossProfileIntentFilter( 5967 filter, who.getPackageName(), callingUserId, parent.id, 0); 5968 } 5969 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 5970 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 5971 parent.id, callingUserId, 0); 5972 } 5973 } catch (RemoteException re) { 5974 // Shouldn't happen 5975 } finally { 5976 mInjector.binderRestoreCallingIdentity(id); 5977 } 5978 } 5979 } 5980 5981 @Override 5982 public void clearCrossProfileIntentFilters(ComponentName who) { 5983 Preconditions.checkNotNull(who, "ComponentName is null"); 5984 int callingUserId = UserHandle.getCallingUserId(); 5985 synchronized (this) { 5986 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5987 long id = mInjector.binderClearCallingIdentity(); 5988 try { 5989 UserInfo parent = mUserManager.getProfileParent(callingUserId); 5990 if (parent == null) { 5991 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 5992 + "parent"); 5993 return; 5994 } 5995 // Removing those that go from the managed profile to the parent. 5996 mIPackageManager.clearCrossProfileIntentFilters( 5997 callingUserId, who.getPackageName()); 5998 // And those that go from the parent to the managed profile. 5999 // If we want to support multiple managed profiles, we will have to only remove 6000 // those that have callingUserId as their target. 6001 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 6002 } catch (RemoteException re) { 6003 // Shouldn't happen 6004 } finally { 6005 mInjector.binderRestoreCallingIdentity(id); 6006 } 6007 } 6008 } 6009 6010 /** 6011 * @return true if all packages in enabledPackages are either in the list 6012 * permittedList or are a system app. 6013 */ 6014 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 6015 List<String> permittedList) { 6016 int userIdToCheck = UserHandle.getCallingUserId(); 6017 long id = mInjector.binderClearCallingIdentity(); 6018 try { 6019 // If we have an enabled packages list for a managed profile the packages 6020 // we should check are installed for the parent user. 6021 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 6022 if (user.isManagedProfile()) { 6023 userIdToCheck = user.profileGroupId; 6024 } 6025 6026 for (String enabledPackage : enabledPackages) { 6027 boolean systemService = false; 6028 try { 6029 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 6030 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 6031 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6032 } catch (RemoteException e) { 6033 Log.i(LOG_TAG, "Can't talk to package managed", e); 6034 } 6035 if (!systemService && !permittedList.contains(enabledPackage)) { 6036 return false; 6037 } 6038 } 6039 } finally { 6040 mInjector.binderRestoreCallingIdentity(id); 6041 } 6042 return true; 6043 } 6044 6045 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 6046 // Not using AccessibilityManager.getInstance because that guesses 6047 // at the user you require based on callingUid and caches for a given 6048 // process. 6049 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 6050 IAccessibilityManager service = iBinder == null 6051 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 6052 return new AccessibilityManager(mContext, service, userId); 6053 } 6054 6055 @Override 6056 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 6057 if (!mHasFeature) { 6058 return false; 6059 } 6060 Preconditions.checkNotNull(who, "ComponentName is null"); 6061 6062 if (packageList != null) { 6063 int userId = UserHandle.getCallingUserId(); 6064 List<AccessibilityServiceInfo> enabledServices = null; 6065 long id = mInjector.binderClearCallingIdentity(); 6066 try { 6067 UserInfo user = mUserManager.getUserInfo(userId); 6068 if (user.isManagedProfile()) { 6069 userId = user.profileGroupId; 6070 } 6071 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 6072 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 6073 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 6074 } finally { 6075 mInjector.binderRestoreCallingIdentity(id); 6076 } 6077 6078 if (enabledServices != null) { 6079 List<String> enabledPackages = new ArrayList<String>(); 6080 for (AccessibilityServiceInfo service : enabledServices) { 6081 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 6082 } 6083 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 6084 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 6085 + "because it contains already enabled accesibility services."); 6086 return false; 6087 } 6088 } 6089 } 6090 6091 synchronized (this) { 6092 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6093 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6094 admin.permittedAccessiblityServices = packageList; 6095 saveSettingsLocked(UserHandle.getCallingUserId()); 6096 } 6097 return true; 6098 } 6099 6100 @Override 6101 public List getPermittedAccessibilityServices(ComponentName who) { 6102 if (!mHasFeature) { 6103 return null; 6104 } 6105 Preconditions.checkNotNull(who, "ComponentName is null"); 6106 6107 synchronized (this) { 6108 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6109 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6110 return admin.permittedAccessiblityServices; 6111 } 6112 } 6113 6114 @Override 6115 public List getPermittedAccessibilityServicesForUser(int userId) { 6116 if (!mHasFeature) { 6117 return null; 6118 } 6119 synchronized (this) { 6120 List<String> result = null; 6121 // If we have multiple profiles we return the intersection of the 6122 // permitted lists. This can happen in cases where we have a device 6123 // and profile owner. 6124 List<UserInfo> profiles = mUserManager.getProfiles(userId); 6125 final int PROFILES_SIZE = profiles.size(); 6126 for (int i = 0; i < PROFILES_SIZE; ++i) { 6127 // Just loop though all admins, only device or profiles 6128 // owners can have permitted lists set. 6129 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 6130 final int N = policy.mAdminList.size(); 6131 for (int j = 0; j < N; j++) { 6132 ActiveAdmin admin = policy.mAdminList.get(j); 6133 List<String> fromAdmin = admin.permittedAccessiblityServices; 6134 if (fromAdmin != null) { 6135 if (result == null) { 6136 result = new ArrayList<String>(fromAdmin); 6137 } else { 6138 result.retainAll(fromAdmin); 6139 } 6140 } 6141 } 6142 } 6143 6144 // If we have a permitted list add all system accessibility services. 6145 if (result != null) { 6146 long id = mInjector.binderClearCallingIdentity(); 6147 try { 6148 UserInfo user = mUserManager.getUserInfo(userId); 6149 if (user.isManagedProfile()) { 6150 userId = user.profileGroupId; 6151 } 6152 AccessibilityManager accessibilityManager = 6153 getAccessibilityManagerForUser(userId); 6154 List<AccessibilityServiceInfo> installedServices = 6155 accessibilityManager.getInstalledAccessibilityServiceList(); 6156 6157 if (installedServices != null) { 6158 for (AccessibilityServiceInfo service : installedServices) { 6159 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 6160 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6161 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6162 result.add(serviceInfo.packageName); 6163 } 6164 } 6165 } 6166 } finally { 6167 mInjector.binderRestoreCallingIdentity(id); 6168 } 6169 } 6170 6171 return result; 6172 } 6173 } 6174 6175 private boolean checkCallerIsCurrentUserOrProfile() { 6176 int callingUserId = UserHandle.getCallingUserId(); 6177 long token = mInjector.binderClearCallingIdentity(); 6178 try { 6179 UserInfo currentUser; 6180 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 6181 try { 6182 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6183 } catch (RemoteException e) { 6184 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 6185 return false; 6186 } 6187 6188 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 6189 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 6190 + "of a user that isn't the foreground user."); 6191 return false; 6192 } 6193 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 6194 Slog.e(LOG_TAG, "Cannot set permitted input methods " 6195 + "of a user that isn't the foreground user."); 6196 return false; 6197 } 6198 } finally { 6199 mInjector.binderRestoreCallingIdentity(token); 6200 } 6201 return true; 6202 } 6203 6204 @Override 6205 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 6206 if (!mHasFeature) { 6207 return false; 6208 } 6209 Preconditions.checkNotNull(who, "ComponentName is null"); 6210 6211 // TODO When InputMethodManager supports per user calls remove 6212 // this restriction. 6213 if (!checkCallerIsCurrentUserOrProfile()) { 6214 return false; 6215 } 6216 6217 if (packageList != null) { 6218 // InputMethodManager fetches input methods for current user. 6219 // So this can only be set when calling user is the current user 6220 // or parent is current user in case of managed profiles. 6221 InputMethodManager inputMethodManager = 6222 mContext.getSystemService(InputMethodManager.class); 6223 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 6224 6225 if (enabledImes != null) { 6226 List<String> enabledPackages = new ArrayList<String>(); 6227 for (InputMethodInfo ime : enabledImes) { 6228 enabledPackages.add(ime.getPackageName()); 6229 } 6230 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 6231 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 6232 + "because it contains already enabled input method."); 6233 return false; 6234 } 6235 } 6236 } 6237 6238 synchronized (this) { 6239 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6240 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6241 admin.permittedInputMethods = packageList; 6242 saveSettingsLocked(UserHandle.getCallingUserId()); 6243 } 6244 return true; 6245 } 6246 6247 @Override 6248 public List getPermittedInputMethods(ComponentName who) { 6249 if (!mHasFeature) { 6250 return null; 6251 } 6252 Preconditions.checkNotNull(who, "ComponentName is null"); 6253 6254 synchronized (this) { 6255 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6256 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6257 return admin.permittedInputMethods; 6258 } 6259 } 6260 6261 @Override 6262 public List getPermittedInputMethodsForCurrentUser() { 6263 UserInfo currentUser; 6264 try { 6265 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6266 } catch (RemoteException e) { 6267 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 6268 // Activity managed is dead, just allow all IMEs 6269 return null; 6270 } 6271 6272 int userId = currentUser.id; 6273 synchronized (this) { 6274 List<String> result = null; 6275 // If we have multiple profiles we return the intersection of the 6276 // permitted lists. This can happen in cases where we have a device 6277 // and profile owner. 6278 List<UserInfo> profiles = mUserManager.getProfiles(userId); 6279 final int PROFILES_SIZE = profiles.size(); 6280 for (int i = 0; i < PROFILES_SIZE; ++i) { 6281 // Just loop though all admins, only device or profiles 6282 // owners can have permitted lists set. 6283 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 6284 final int N = policy.mAdminList.size(); 6285 for (int j = 0; j < N; j++) { 6286 ActiveAdmin admin = policy.mAdminList.get(j); 6287 List<String> fromAdmin = admin.permittedInputMethods; 6288 if (fromAdmin != null) { 6289 if (result == null) { 6290 result = new ArrayList<String>(fromAdmin); 6291 } else { 6292 result.retainAll(fromAdmin); 6293 } 6294 } 6295 } 6296 } 6297 6298 // If we have a permitted list add all system input methods. 6299 if (result != null) { 6300 InputMethodManager inputMethodManager = 6301 mContext.getSystemService(InputMethodManager.class); 6302 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 6303 long id = mInjector.binderClearCallingIdentity(); 6304 try { 6305 if (imes != null) { 6306 for (InputMethodInfo ime : imes) { 6307 ServiceInfo serviceInfo = ime.getServiceInfo(); 6308 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6309 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6310 result.add(serviceInfo.packageName); 6311 } 6312 } 6313 } 6314 } finally { 6315 mInjector.binderRestoreCallingIdentity(id); 6316 } 6317 } 6318 return result; 6319 } 6320 } 6321 6322 @Override 6323 public UserHandle createUser(ComponentName who, String name) { 6324 Preconditions.checkNotNull(who, "ComponentName is null"); 6325 synchronized (this) { 6326 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6327 6328 long id = mInjector.binderClearCallingIdentity(); 6329 try { 6330 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 6331 if (userInfo != null) { 6332 return userInfo.getUserHandle(); 6333 } 6334 return null; 6335 } finally { 6336 mInjector.binderRestoreCallingIdentity(id); 6337 } 6338 } 6339 } 6340 6341 @Override 6342 public UserHandle createAndInitializeUser(ComponentName who, String name, 6343 String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { 6344 UserHandle user = createUser(who, name); 6345 if (user == null) { 6346 return null; 6347 } 6348 long id = mInjector.binderClearCallingIdentity(); 6349 try { 6350 String profileOwnerPkg = profileOwnerComponent.getPackageName(); 6351 6352 final int userHandle = user.getIdentifier(); 6353 try { 6354 // Install the profile owner if not present. 6355 if (!mIPackageManager.isPackageAvailable(profileOwnerPkg, userHandle)) { 6356 mIPackageManager.installExistingPackageAsUser(profileOwnerPkg, userHandle); 6357 } 6358 6359 // Start user in background. 6360 mInjector.getIActivityManager().startUserInBackground(userHandle); 6361 } catch (RemoteException e) { 6362 Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); 6363 } 6364 6365 setActiveAdmin(profileOwnerComponent, true, userHandle, adminExtras); 6366 setProfileOwner(profileOwnerComponent, ownerName, userHandle); 6367 return user; 6368 } finally { 6369 mInjector.binderRestoreCallingIdentity(id); 6370 } 6371 } 6372 6373 private void sendAdminEnabledBroadcastLocked(int userHandle) { 6374 DevicePolicyData policyData = getUserData(userHandle); 6375 if (policyData.mAdminBroadcastPending) { 6376 // Send the initialization data to profile owner and delete the data 6377 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 6378 if (admin != null) { 6379 PersistableBundle initBundle = policyData.mInitBundle; 6380 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 6381 initBundle == null ? null : new Bundle(initBundle), null); 6382 } 6383 policyData.mInitBundle = null; 6384 policyData.mAdminBroadcastPending = false; 6385 saveSettingsLocked(userHandle); 6386 } 6387 } 6388 6389 @Override 6390 public UserHandle createAndManageUser(ComponentName admin, String name, 6391 PersistableBundle adminExtras, int flags) { 6392 // Create user. 6393 Preconditions.checkNotNull(admin, "ComponentName is null"); 6394 UserHandle user = null; 6395 synchronized (this) { 6396 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6397 6398 final long id = mInjector.binderClearCallingIdentity(); 6399 try { 6400 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 6401 if (userInfo != null) { 6402 user = userInfo.getUserHandle(); 6403 } 6404 } finally { 6405 mInjector.binderRestoreCallingIdentity(id); 6406 } 6407 } 6408 if (user == null) { 6409 return null; 6410 } 6411 // Set admin. 6412 final long id = mInjector.binderClearCallingIdentity(); 6413 try { 6414 final String adminPkg = admin.getPackageName(); 6415 6416 final int userHandle = user.getIdentifier(); 6417 try { 6418 // Install the profile owner if not present. 6419 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 6420 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 6421 } 6422 } catch (RemoteException e) { 6423 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 6424 + "removing created user", e); 6425 mUserManager.removeUser(user.getIdentifier()); 6426 return null; 6427 } 6428 6429 setActiveAdmin(admin, true, userHandle); 6430 // User is not started yet, the broadcast by setActiveAdmin will not be received. 6431 // So we store adminExtras for broadcasting when the user starts for first time. 6432 synchronized(this) { 6433 DevicePolicyData policyData = getUserData(userHandle); 6434 policyData.mInitBundle = adminExtras; 6435 policyData.mAdminBroadcastPending = true; 6436 saveSettingsLocked(userHandle); 6437 } 6438 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 6439 setProfileOwner(admin, ownerName, userHandle); 6440 6441 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 6442 Settings.Secure.putIntForUser(mContext.getContentResolver(), 6443 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 6444 } 6445 6446 return user; 6447 } finally { 6448 mInjector.binderRestoreCallingIdentity(id); 6449 } 6450 } 6451 6452 @Override 6453 public boolean removeUser(ComponentName who, UserHandle userHandle) { 6454 Preconditions.checkNotNull(who, "ComponentName is null"); 6455 synchronized (this) { 6456 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6457 6458 long id = mInjector.binderClearCallingIdentity(); 6459 try { 6460 return mUserManager.removeUser(userHandle.getIdentifier()); 6461 } finally { 6462 mInjector.binderRestoreCallingIdentity(id); 6463 } 6464 } 6465 } 6466 6467 @Override 6468 public boolean switchUser(ComponentName who, UserHandle userHandle) { 6469 Preconditions.checkNotNull(who, "ComponentName is null"); 6470 synchronized (this) { 6471 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6472 6473 long id = mInjector.binderClearCallingIdentity(); 6474 try { 6475 int userId = UserHandle.USER_SYSTEM; 6476 if (userHandle != null) { 6477 userId = userHandle.getIdentifier(); 6478 } 6479 return mInjector.getIActivityManager().switchUser(userId); 6480 } catch (RemoteException e) { 6481 Log.e(LOG_TAG, "Couldn't switch user", e); 6482 return false; 6483 } finally { 6484 mInjector.binderRestoreCallingIdentity(id); 6485 } 6486 } 6487 } 6488 6489 @Override 6490 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 6491 enforceCanManageApplicationRestrictions(who); 6492 6493 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6494 final long id = mInjector.binderClearCallingIdentity(); 6495 try { 6496 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 6497 // if no restrictions were saved, mUserManager.getApplicationRestrictions 6498 // returns null, but DPM method should return an empty Bundle as per JavaDoc 6499 return bundle != null ? bundle : Bundle.EMPTY; 6500 } finally { 6501 mInjector.binderRestoreCallingIdentity(id); 6502 } 6503 } 6504 6505 @Override 6506 public boolean setPackageSuspended(ComponentName who, String packageName, 6507 boolean suspended) { 6508 Preconditions.checkNotNull(who, "ComponentName is null"); 6509 int callingUserId = UserHandle.getCallingUserId(); 6510 synchronized (this) { 6511 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6512 6513 long id = mInjector.binderClearCallingIdentity(); 6514 try { 6515 return mIPackageManager.setPackageSuspendedAsUser( 6516 packageName, suspended, callingUserId); 6517 } catch (RemoteException re) { 6518 // Shouldn't happen. 6519 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 6520 } finally { 6521 mInjector.binderRestoreCallingIdentity(id); 6522 } 6523 return false; 6524 } 6525 } 6526 6527 @Override 6528 public boolean getPackageSuspended(ComponentName who, String packageName) { 6529 Preconditions.checkNotNull(who, "ComponentName is null"); 6530 int callingUserId = UserHandle.getCallingUserId(); 6531 synchronized (this) { 6532 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6533 6534 long id = mInjector.binderClearCallingIdentity(); 6535 try { 6536 ApplicationInfo appInfo = mIPackageManager.getApplicationInfo( 6537 packageName, 0, callingUserId); 6538 return appInfo != null && 6539 (appInfo.flags & ApplicationInfo.FLAG_SUSPENDED) != 0; 6540 } catch (RemoteException re) { 6541 // Shouldn't happen. 6542 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 6543 } finally { 6544 mInjector.binderRestoreCallingIdentity(id); 6545 } 6546 return false; 6547 } 6548 } 6549 6550 @Override 6551 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 6552 Preconditions.checkNotNull(who, "ComponentName is null"); 6553 final int userHandle = mInjector.userHandleGetCallingUserId(); 6554 synchronized (this) { 6555 ActiveAdmin activeAdmin = 6556 getActiveAdminForCallerLocked(who, 6557 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6558 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 6559 if (isDeviceOwner) { 6560 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 6561 throw new SecurityException("Device owner cannot set user restriction " + key); 6562 } 6563 } else { // profile owner 6564 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 6565 throw new SecurityException("Profile owner cannot set user restriction " + key); 6566 } 6567 } 6568 6569 // Save the restriction to ActiveAdmin. 6570 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 6571 saveSettingsLocked(userHandle); 6572 6573 pushUserRestrictions(userHandle); 6574 6575 sendChangedNotification(userHandle); 6576 } 6577 } 6578 6579 private void pushUserRestrictions(int userId) { 6580 synchronized (this) { 6581 final Bundle global; 6582 final Bundle local = new Bundle(); 6583 if (mOwners.isDeviceOwnerUserId(userId)) { 6584 global = new Bundle(); 6585 6586 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6587 if (deviceOwner == null) { 6588 return; // Shouldn't happen. 6589 } 6590 6591 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 6592 global, local); 6593 // DO can disable camera globally. 6594 if (deviceOwner.disableCamera) { 6595 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 6596 } 6597 } else { 6598 global = null; 6599 6600 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 6601 if (profileOwner != null) { 6602 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 6603 } 6604 } 6605 // Also merge in *local* camera restriction. 6606 if (getCameraDisabled(/* who= */ null, 6607 userId, /* mergeDeviceOwnerRestriction= */ false)) { 6608 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 6609 } 6610 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 6611 } 6612 } 6613 6614 @Override 6615 public Bundle getUserRestrictions(ComponentName who, int userHandle) { 6616 Preconditions.checkNotNull(who, "ComponentName is null"); 6617 enforceFullCrossUsersPermission(userHandle); 6618 synchronized (this) { 6619 ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(who, userHandle); 6620 if (activeAdmin == null) { 6621 throw new SecurityException("No active admin: " + activeAdmin); 6622 } 6623 if (activeAdmin.getUid() != mInjector.binderGetCallingUid()) { 6624 mContext.enforceCallingOrSelfPermission( 6625 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, 6626 "Calling uid " + mInjector.binderGetCallingUid() + " neither owns the admin" 6627 + " " + who + " nor has MANAGE_PROFILE_AND_DEVICE_OWNERS permission"); 6628 } 6629 return activeAdmin.userRestrictions; 6630 } 6631 } 6632 6633 @Override 6634 public boolean setApplicationHidden(ComponentName who, String packageName, 6635 boolean hidden) { 6636 Preconditions.checkNotNull(who, "ComponentName is null"); 6637 int callingUserId = UserHandle.getCallingUserId(); 6638 synchronized (this) { 6639 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6640 6641 long id = mInjector.binderClearCallingIdentity(); 6642 try { 6643 return mIPackageManager.setApplicationHiddenSettingAsUser( 6644 packageName, hidden, callingUserId); 6645 } catch (RemoteException re) { 6646 // shouldn't happen 6647 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 6648 } finally { 6649 mInjector.binderRestoreCallingIdentity(id); 6650 } 6651 return false; 6652 } 6653 } 6654 6655 @Override 6656 public boolean isApplicationHidden(ComponentName who, String packageName) { 6657 Preconditions.checkNotNull(who, "ComponentName is null"); 6658 int callingUserId = UserHandle.getCallingUserId(); 6659 synchronized (this) { 6660 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6661 6662 long id = mInjector.binderClearCallingIdentity(); 6663 try { 6664 return mIPackageManager.getApplicationHiddenSettingAsUser( 6665 packageName, callingUserId); 6666 } catch (RemoteException re) { 6667 // shouldn't happen 6668 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 6669 } finally { 6670 mInjector.binderRestoreCallingIdentity(id); 6671 } 6672 return false; 6673 } 6674 } 6675 6676 @Override 6677 public void enableSystemApp(ComponentName who, String packageName) { 6678 Preconditions.checkNotNull(who, "ComponentName is null"); 6679 synchronized (this) { 6680 // This API can only be called by an active device admin, 6681 // so try to retrieve it to check that the caller is one. 6682 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6683 6684 int userId = UserHandle.getCallingUserId(); 6685 long id = mInjector.binderClearCallingIdentity(); 6686 6687 try { 6688 if (VERBOSE_LOG) { 6689 Slog.v(LOG_TAG, "installing " + packageName + " for " 6690 + userId); 6691 } 6692 6693 int parentUserId = getProfileParentId(userId); 6694 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 6695 throw new IllegalArgumentException("Only system apps can be enabled this way."); 6696 } 6697 6698 // Install the app. 6699 mIPackageManager.installExistingPackageAsUser(packageName, userId); 6700 6701 } catch (RemoteException re) { 6702 // shouldn't happen 6703 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 6704 } finally { 6705 mInjector.binderRestoreCallingIdentity(id); 6706 } 6707 } 6708 } 6709 6710 @Override 6711 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 6712 Preconditions.checkNotNull(who, "ComponentName is null"); 6713 synchronized (this) { 6714 // This API can only be called by an active device admin, 6715 // so try to retrieve it to check that the caller is one. 6716 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6717 6718 int userId = UserHandle.getCallingUserId(); 6719 long id = mInjector.binderClearCallingIdentity(); 6720 6721 try { 6722 int parentUserId = getProfileParentId(userId); 6723 List<ResolveInfo> activitiesToEnable = mIPackageManager.queryIntentActivities( 6724 intent, 6725 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 6726 0, // no flags 6727 parentUserId); 6728 6729 if (VERBOSE_LOG) { 6730 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 6731 } 6732 int numberOfAppsInstalled = 0; 6733 if (activitiesToEnable != null) { 6734 for (ResolveInfo info : activitiesToEnable) { 6735 if (info.activityInfo != null) { 6736 String packageName = info.activityInfo.packageName; 6737 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 6738 numberOfAppsInstalled++; 6739 mIPackageManager.installExistingPackageAsUser(packageName, userId); 6740 } else { 6741 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 6742 + " system app"); 6743 } 6744 } 6745 } 6746 } 6747 return numberOfAppsInstalled; 6748 } catch (RemoteException e) { 6749 // shouldn't happen 6750 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 6751 return 0; 6752 } finally { 6753 mInjector.binderRestoreCallingIdentity(id); 6754 } 6755 } 6756 } 6757 6758 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 6759 throws RemoteException { 6760 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 6761 userId); 6762 if (appInfo == null) { 6763 throw new IllegalArgumentException("The application " + packageName + 6764 " is not present on this device"); 6765 } 6766 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6767 } 6768 6769 @Override 6770 public void setAccountManagementDisabled(ComponentName who, String accountType, 6771 boolean disabled) { 6772 if (!mHasFeature) { 6773 return; 6774 } 6775 Preconditions.checkNotNull(who, "ComponentName is null"); 6776 synchronized (this) { 6777 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 6778 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6779 if (disabled) { 6780 ap.accountTypesWithManagementDisabled.add(accountType); 6781 } else { 6782 ap.accountTypesWithManagementDisabled.remove(accountType); 6783 } 6784 saveSettingsLocked(UserHandle.getCallingUserId()); 6785 } 6786 } 6787 6788 @Override 6789 public String[] getAccountTypesWithManagementDisabled() { 6790 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 6791 } 6792 6793 @Override 6794 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 6795 enforceFullCrossUsersPermission(userId); 6796 if (!mHasFeature) { 6797 return null; 6798 } 6799 synchronized (this) { 6800 DevicePolicyData policy = getUserData(userId); 6801 final int N = policy.mAdminList.size(); 6802 ArraySet<String> resultSet = new ArraySet<>(); 6803 for (int i = 0; i < N; i++) { 6804 ActiveAdmin admin = policy.mAdminList.get(i); 6805 resultSet.addAll(admin.accountTypesWithManagementDisabled); 6806 } 6807 return resultSet.toArray(new String[resultSet.size()]); 6808 } 6809 } 6810 6811 @Override 6812 public void setUninstallBlocked(ComponentName who, String packageName, 6813 boolean uninstallBlocked) { 6814 Preconditions.checkNotNull(who, "ComponentName is null"); 6815 final int userId = UserHandle.getCallingUserId(); 6816 synchronized (this) { 6817 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6818 6819 long id = mInjector.binderClearCallingIdentity(); 6820 try { 6821 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 6822 } catch (RemoteException re) { 6823 // Shouldn't happen. 6824 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 6825 } finally { 6826 mInjector.binderRestoreCallingIdentity(id); 6827 } 6828 } 6829 } 6830 6831 @Override 6832 public boolean isUninstallBlocked(ComponentName who, String packageName) { 6833 // This function should return true if and only if the package is blocked by 6834 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 6835 // when the package is a system app, or when it is an active device admin. 6836 final int userId = UserHandle.getCallingUserId(); 6837 6838 synchronized (this) { 6839 if (who != null) { 6840 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6841 } 6842 6843 long id = mInjector.binderClearCallingIdentity(); 6844 try { 6845 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 6846 } catch (RemoteException re) { 6847 // Shouldn't happen. 6848 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 6849 } finally { 6850 mInjector.binderRestoreCallingIdentity(id); 6851 } 6852 } 6853 return false; 6854 } 6855 6856 @Override 6857 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 6858 if (!mHasFeature) { 6859 return; 6860 } 6861 Preconditions.checkNotNull(who, "ComponentName is null"); 6862 synchronized (this) { 6863 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6864 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6865 if (admin.disableCallerId != disabled) { 6866 admin.disableCallerId = disabled; 6867 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 6868 } 6869 } 6870 } 6871 6872 @Override 6873 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 6874 if (!mHasFeature) { 6875 return false; 6876 } 6877 Preconditions.checkNotNull(who, "ComponentName is null"); 6878 synchronized (this) { 6879 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6880 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6881 return admin.disableCallerId; 6882 } 6883 } 6884 6885 @Override 6886 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 6887 enforceCrossUsersPermission(userId); 6888 synchronized (this) { 6889 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 6890 return (admin != null) ? admin.disableCallerId : false; 6891 } 6892 } 6893 6894 @Override 6895 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 6896 if (!mHasFeature) { 6897 return; 6898 } 6899 Preconditions.checkNotNull(who, "ComponentName is null"); 6900 synchronized (this) { 6901 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6902 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6903 if (admin.disableContactsSearch != disabled) { 6904 admin.disableContactsSearch = disabled; 6905 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 6906 } 6907 } 6908 } 6909 6910 @Override 6911 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 6912 if (!mHasFeature) { 6913 return false; 6914 } 6915 Preconditions.checkNotNull(who, "ComponentName is null"); 6916 synchronized (this) { 6917 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6918 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6919 return admin.disableContactsSearch; 6920 } 6921 } 6922 6923 @Override 6924 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 6925 enforceCrossUsersPermission(userId); 6926 synchronized (this) { 6927 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 6928 return (admin != null) ? admin.disableContactsSearch : false; 6929 } 6930 } 6931 6932 @Override 6933 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 6934 long actualDirectoryId, Intent originalIntent) { 6935 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent( 6936 actualLookupKey, actualContactId, actualDirectoryId, originalIntent); 6937 final int callingUserId = UserHandle.getCallingUserId(); 6938 6939 final long ident = mInjector.binderClearCallingIdentity(); 6940 try { 6941 synchronized (this) { 6942 final int managedUserId = getManagedUserId(callingUserId); 6943 if (managedUserId < 0) { 6944 return; 6945 } 6946 if (getCrossProfileCallerIdDisabledForUser(managedUserId)) { 6947 if (VERBOSE_LOG) { 6948 Log.v(LOG_TAG, 6949 "Cross-profile contacts access disabled for user " + managedUserId); 6950 } 6951 return; 6952 } 6953 ContactsInternal.startQuickContactWithErrorToastForUser( 6954 mContext, intent, new UserHandle(managedUserId)); 6955 } 6956 } finally { 6957 mInjector.binderRestoreCallingIdentity(ident); 6958 } 6959 } 6960 6961 /** 6962 * @return the user ID of the managed user that is linked to the current user, if any. 6963 * Otherwise -1. 6964 */ 6965 public int getManagedUserId(int callingUserId) { 6966 if (VERBOSE_LOG) { 6967 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 6968 } 6969 6970 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 6971 if (ui.id == callingUserId || !ui.isManagedProfile()) { 6972 continue; // Caller user self, or not a managed profile. Skip. 6973 } 6974 if (VERBOSE_LOG) { 6975 Log.v(LOG_TAG, "Managed user=" + ui.id); 6976 } 6977 return ui.id; 6978 } 6979 if (VERBOSE_LOG) { 6980 Log.v(LOG_TAG, "Managed user not found."); 6981 } 6982 return -1; 6983 } 6984 6985 @Override 6986 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 6987 if (!mHasFeature) { 6988 return; 6989 } 6990 Preconditions.checkNotNull(who, "ComponentName is null"); 6991 synchronized (this) { 6992 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6993 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6994 if (admin.disableBluetoothContactSharing != disabled) { 6995 admin.disableBluetoothContactSharing = disabled; 6996 saveSettingsLocked(UserHandle.getCallingUserId()); 6997 } 6998 } 6999 } 7000 7001 @Override 7002 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 7003 if (!mHasFeature) { 7004 return false; 7005 } 7006 Preconditions.checkNotNull(who, "ComponentName is null"); 7007 synchronized (this) { 7008 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7009 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7010 return admin.disableBluetoothContactSharing; 7011 } 7012 } 7013 7014 @Override 7015 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 7016 // TODO: Should there be a check to make sure this relationship is 7017 // within a profile group? 7018 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 7019 synchronized (this) { 7020 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7021 return (admin != null) ? admin.disableBluetoothContactSharing : false; 7022 } 7023 } 7024 7025 /** 7026 * Sets which packages may enter lock task mode. 7027 * 7028 * This function can only be called by the device owner. 7029 * @param packages The list of packages allowed to enter lock task mode. 7030 */ 7031 @Override 7032 public void setLockTaskPackages(ComponentName who, String[] packages) 7033 throws SecurityException { 7034 Preconditions.checkNotNull(who, "ComponentName is null"); 7035 synchronized (this) { 7036 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7037 7038 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7039 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 7040 } 7041 } 7042 7043 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 7044 DevicePolicyData policy = getUserData(userHandle); 7045 policy.mLockTaskPackages = packages; 7046 7047 // Store the settings persistently. 7048 saveSettingsLocked(userHandle); 7049 updateLockTaskPackagesLocked(packages, userHandle); 7050 } 7051 7052 /** 7053 * This function returns the list of components allowed to start the task lock mode. 7054 */ 7055 @Override 7056 public String[] getLockTaskPackages(ComponentName who) { 7057 Preconditions.checkNotNull(who, "ComponentName is null"); 7058 synchronized (this) { 7059 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7060 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7061 final List<String> packages = getLockTaskPackagesLocked(userHandle); 7062 return packages.toArray(new String[packages.size()]); 7063 } 7064 } 7065 7066 private List<String> getLockTaskPackagesLocked(int userHandle) { 7067 final DevicePolicyData policy = getUserData(userHandle); 7068 return policy.mLockTaskPackages; 7069 } 7070 7071 /** 7072 * This function lets the caller know whether the given package is allowed to start the 7073 * lock task mode. 7074 * @param pkg The package to check 7075 */ 7076 @Override 7077 public boolean isLockTaskPermitted(String pkg) { 7078 // Get current user's devicepolicy 7079 int uid = mInjector.binderGetCallingUid(); 7080 int userHandle = UserHandle.getUserId(uid); 7081 DevicePolicyData policy = getUserData(userHandle); 7082 synchronized (this) { 7083 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 7084 String lockTaskPackage = policy.mLockTaskPackages.get(i); 7085 7086 // If the given package equals one of the packages stored our list, 7087 // we allow this package to start lock task mode. 7088 if (lockTaskPackage.equals(pkg)) { 7089 return true; 7090 } 7091 } 7092 } 7093 return false; 7094 } 7095 7096 @Override 7097 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 7098 if (!UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID)) { 7099 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 7100 } 7101 synchronized (this) { 7102 final DevicePolicyData policy = getUserData(userHandle); 7103 Bundle adminExtras = new Bundle(); 7104 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 7105 for (ActiveAdmin admin : policy.mAdminList) { 7106 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 7107 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 7108 if (ownsDevice || ownsProfile) { 7109 if (isEnabled) { 7110 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 7111 adminExtras, null); 7112 } else { 7113 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 7114 } 7115 } 7116 } 7117 } 7118 } 7119 7120 @Override 7121 public void setGlobalSetting(ComponentName who, String setting, String value) { 7122 Preconditions.checkNotNull(who, "ComponentName is null"); 7123 7124 synchronized (this) { 7125 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7126 7127 // Some settings are no supported any more. However we do not want to throw a 7128 // SecurityException to avoid breaking apps. 7129 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 7130 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 7131 return; 7132 } 7133 7134 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 7135 throw new SecurityException(String.format( 7136 "Permission denial: device owners cannot update %1$s", setting)); 7137 } 7138 7139 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 7140 // ignore if it contradicts an existing policy 7141 long timeMs = getMaximumTimeToLock( 7142 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 7143 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 7144 return; 7145 } 7146 } 7147 7148 long id = mInjector.binderClearCallingIdentity(); 7149 try { 7150 mInjector.settingsGlobalPutString(setting, value); 7151 } finally { 7152 mInjector.binderRestoreCallingIdentity(id); 7153 } 7154 } 7155 } 7156 7157 @Override 7158 public void setSecureSetting(ComponentName who, String setting, String value) { 7159 Preconditions.checkNotNull(who, "ComponentName is null"); 7160 int callingUserId = mInjector.userHandleGetCallingUserId(); 7161 7162 synchronized (this) { 7163 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7164 7165 if (isDeviceOwner(who, callingUserId)) { 7166 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 7167 throw new SecurityException(String.format( 7168 "Permission denial: Device owners cannot update %1$s", setting)); 7169 } 7170 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 7171 throw new SecurityException(String.format( 7172 "Permission denial: Profile owners cannot update %1$s", setting)); 7173 } 7174 7175 long id = mInjector.binderClearCallingIdentity(); 7176 try { 7177 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 7178 } finally { 7179 mInjector.binderRestoreCallingIdentity(id); 7180 } 7181 } 7182 } 7183 7184 @Override 7185 public void setMasterVolumeMuted(ComponentName who, boolean on) { 7186 Preconditions.checkNotNull(who, "ComponentName is null"); 7187 synchronized (this) { 7188 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7189 int userId = UserHandle.getCallingUserId(); 7190 long identity = mInjector.binderClearCallingIdentity(); 7191 try { 7192 IAudioService iAudioService = IAudioService.Stub.asInterface( 7193 ServiceManager.getService(Context.AUDIO_SERVICE)); 7194 iAudioService.setMasterMute(on, 0, mContext.getPackageName(), userId); 7195 } catch (RemoteException re) { 7196 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 7197 } finally { 7198 mInjector.binderRestoreCallingIdentity(identity); 7199 } 7200 } 7201 } 7202 7203 @Override 7204 public boolean isMasterVolumeMuted(ComponentName who) { 7205 Preconditions.checkNotNull(who, "ComponentName is null"); 7206 synchronized (this) { 7207 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7208 7209 AudioManager audioManager = 7210 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 7211 return audioManager.isMasterMute(); 7212 } 7213 } 7214 7215 @Override 7216 public void setUserIcon(ComponentName who, Bitmap icon) { 7217 synchronized (this) { 7218 Preconditions.checkNotNull(who, "ComponentName is null"); 7219 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7220 7221 int userId = UserHandle.getCallingUserId(); 7222 long id = mInjector.binderClearCallingIdentity(); 7223 try { 7224 mUserManagerInternal.setUserIcon(userId, icon); 7225 } finally { 7226 mInjector.binderRestoreCallingIdentity(id); 7227 } 7228 } 7229 } 7230 7231 @Override 7232 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 7233 Preconditions.checkNotNull(who, "ComponentName is null"); 7234 synchronized (this) { 7235 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7236 } 7237 final int userId = UserHandle.getCallingUserId(); 7238 7239 long ident = mInjector.binderClearCallingIdentity(); 7240 try { 7241 // disallow disabling the keyguard if a password is currently set 7242 if (disabled && mLockPatternUtils.isSecure(userId)) { 7243 return false; 7244 } 7245 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 7246 } finally { 7247 mInjector.binderRestoreCallingIdentity(ident); 7248 } 7249 return true; 7250 } 7251 7252 @Override 7253 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 7254 int userId = UserHandle.getCallingUserId(); 7255 synchronized (this) { 7256 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7257 DevicePolicyData policy = getUserData(userId); 7258 if (policy.mStatusBarDisabled != disabled) { 7259 if (!setStatusBarDisabledInternal(disabled, userId)) { 7260 return false; 7261 } 7262 policy.mStatusBarDisabled = disabled; 7263 saveSettingsLocked(userId); 7264 } 7265 } 7266 return true; 7267 } 7268 7269 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 7270 long ident = mInjector.binderClearCallingIdentity(); 7271 try { 7272 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 7273 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 7274 if (statusBarService != null) { 7275 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 7276 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 7277 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 7278 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 7279 return true; 7280 } 7281 } catch (RemoteException e) { 7282 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 7283 } finally { 7284 mInjector.binderRestoreCallingIdentity(ident); 7285 } 7286 return false; 7287 } 7288 7289 /** 7290 * We need to update the internal state of whether a user has completed setup once. After 7291 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 7292 * as we don't trust any apps that might try to reset it. 7293 * <p> 7294 * Unfortunately, we don't know which user's setup state was changed, so we write all of 7295 * them. 7296 */ 7297 void updateUserSetupComplete() { 7298 List<UserInfo> users = mUserManager.getUsers(true); 7299 final int N = users.size(); 7300 for (int i = 0; i < N; i++) { 7301 int userHandle = users.get(i).id; 7302 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 7303 userHandle) != 0) { 7304 DevicePolicyData policy = getUserData(userHandle); 7305 if (!policy.mUserSetupComplete) { 7306 policy.mUserSetupComplete = true; 7307 synchronized (this) { 7308 saveSettingsLocked(userHandle); 7309 } 7310 } 7311 } 7312 } 7313 } 7314 7315 private class SetupContentObserver extends ContentObserver { 7316 7317 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 7318 Settings.Secure.USER_SETUP_COMPLETE); 7319 7320 public SetupContentObserver(Handler handler) { 7321 super(handler); 7322 } 7323 7324 void register(ContentResolver resolver) { 7325 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 7326 } 7327 7328 @Override 7329 public void onChange(boolean selfChange, Uri uri) { 7330 if (mUserSetupComplete.equals(uri)) { 7331 updateUserSetupComplete(); 7332 } 7333 } 7334 } 7335 7336 @VisibleForTesting 7337 final class LocalService extends DevicePolicyManagerInternal { 7338 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 7339 7340 @Override 7341 public List<String> getCrossProfileWidgetProviders(int profileId) { 7342 synchronized (DevicePolicyManagerService.this) { 7343 if (mOwners == null) { 7344 return Collections.emptyList(); 7345 } 7346 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 7347 if (ownerComponent == null) { 7348 return Collections.emptyList(); 7349 } 7350 7351 DevicePolicyData policy = getUserDataUnchecked(profileId); 7352 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 7353 7354 if (admin == null || admin.crossProfileWidgetProviders == null 7355 || admin.crossProfileWidgetProviders.isEmpty()) { 7356 return Collections.emptyList(); 7357 } 7358 7359 return admin.crossProfileWidgetProviders; 7360 } 7361 } 7362 7363 @Override 7364 public void addOnCrossProfileWidgetProvidersChangeListener( 7365 OnCrossProfileWidgetProvidersChangeListener listener) { 7366 synchronized (DevicePolicyManagerService.this) { 7367 if (mWidgetProviderListeners == null) { 7368 mWidgetProviderListeners = new ArrayList<>(); 7369 } 7370 if (!mWidgetProviderListeners.contains(listener)) { 7371 mWidgetProviderListeners.add(listener); 7372 } 7373 } 7374 } 7375 7376 @Override 7377 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 7378 synchronized(DevicePolicyManagerService.this) { 7379 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 7380 } 7381 } 7382 7383 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 7384 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 7385 synchronized (DevicePolicyManagerService.this) { 7386 listeners = new ArrayList<>(mWidgetProviderListeners); 7387 } 7388 final int listenerCount = listeners.size(); 7389 for (int i = 0; i < listenerCount; i++) { 7390 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 7391 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 7392 } 7393 } 7394 } 7395 7396 /** 7397 * Returns true if specified admin is allowed to limit passwords and has a 7398 * {@code passwordQuality} of at least {@code minPasswordQuality} 7399 */ 7400 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 7401 if (admin.passwordQuality < minPasswordQuality) { 7402 return false; 7403 } 7404 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 7405 } 7406 7407 @Override 7408 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 7409 if (policy != null && !policy.isValid()) { 7410 throw new IllegalArgumentException("Invalid system update policy."); 7411 } 7412 synchronized (this) { 7413 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7414 if (policy == null) { 7415 mOwners.clearSystemUpdatePolicy(); 7416 } else { 7417 mOwners.setSystemUpdatePolicy(policy); 7418 } 7419 mOwners.writeDeviceOwner(); 7420 } 7421 mContext.sendBroadcastAsUser( 7422 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 7423 UserHandle.SYSTEM); 7424 } 7425 7426 @Override 7427 public SystemUpdatePolicy getSystemUpdatePolicy() { 7428 synchronized (this) { 7429 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 7430 if (policy != null && !policy.isValid()) { 7431 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 7432 return null; 7433 } 7434 return policy; 7435 } 7436 } 7437 7438 /** 7439 * Checks if the caller of the method is the device owner app. 7440 * 7441 * @param callerUid UID of the caller. 7442 * @return true if the caller is the device owner app 7443 */ 7444 @VisibleForTesting 7445 boolean isCallerDeviceOwner(int callerUid) { 7446 synchronized (this) { 7447 if (!mOwners.hasDeviceOwner()) { 7448 return false; 7449 } 7450 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 7451 return false; 7452 } 7453 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 7454 .getPackageName(); 7455 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 7456 7457 for (String pkg : pkgs) { 7458 if (deviceOwnerPackageName.equals(pkg)) { 7459 return true; 7460 } 7461 } 7462 } 7463 7464 return false; 7465 } 7466 7467 @Override 7468 public void notifyPendingSystemUpdate(long updateReceivedTime) { 7469 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 7470 "Only the system update service can broadcast update information"); 7471 7472 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 7473 Slog.w(LOG_TAG, "Only the system update service in the system user " + 7474 "can broadcast update information."); 7475 return; 7476 } 7477 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 7478 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 7479 updateReceivedTime); 7480 7481 synchronized (this) { 7482 final String deviceOwnerPackage = 7483 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 7484 : null; 7485 if (deviceOwnerPackage == null) { 7486 return; 7487 } 7488 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 7489 7490 ActivityInfo[] receivers = null; 7491 try { 7492 receivers = mContext.getPackageManager().getPackageInfo( 7493 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 7494 } catch (NameNotFoundException e) { 7495 Log.e(LOG_TAG, "Cannot find device owner package", e); 7496 } 7497 if (receivers != null) { 7498 long ident = mInjector.binderClearCallingIdentity(); 7499 try { 7500 for (int i = 0; i < receivers.length; i++) { 7501 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 7502 intent.setComponent(new ComponentName(deviceOwnerPackage, 7503 receivers[i].name)); 7504 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 7505 } 7506 } 7507 } finally { 7508 mInjector.binderRestoreCallingIdentity(ident); 7509 } 7510 } 7511 } 7512 } 7513 7514 @Override 7515 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 7516 int userId = UserHandle.getCallingUserId(); 7517 synchronized (this) { 7518 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7519 DevicePolicyData userPolicy = getUserData(userId); 7520 if (userPolicy.mPermissionPolicy != policy) { 7521 userPolicy.mPermissionPolicy = policy; 7522 saveSettingsLocked(userId); 7523 } 7524 } 7525 } 7526 7527 @Override 7528 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 7529 int userId = UserHandle.getCallingUserId(); 7530 synchronized (this) { 7531 DevicePolicyData userPolicy = getUserData(userId); 7532 return userPolicy.mPermissionPolicy; 7533 } 7534 } 7535 7536 @Override 7537 public boolean setPermissionGrantState(ComponentName admin, String packageName, 7538 String permission, int grantState) throws RemoteException { 7539 UserHandle user = mInjector.binderGetCallingUserHandle(); 7540 synchronized (this) { 7541 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7542 long ident = mInjector.binderClearCallingIdentity(); 7543 try { 7544 if (getTargetSdk(packageName, user.getIdentifier()) 7545 < android.os.Build.VERSION_CODES.M) { 7546 return false; 7547 } 7548 final PackageManager packageManager = mContext.getPackageManager(); 7549 switch (grantState) { 7550 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 7551 packageManager.grantRuntimePermission(packageName, permission, user); 7552 packageManager.updatePermissionFlags(permission, packageName, 7553 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 7554 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 7555 } break; 7556 7557 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 7558 packageManager.revokeRuntimePermission(packageName, 7559 permission, user); 7560 packageManager.updatePermissionFlags(permission, packageName, 7561 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 7562 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 7563 } break; 7564 7565 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 7566 packageManager.updatePermissionFlags(permission, packageName, 7567 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 7568 } break; 7569 } 7570 return true; 7571 } catch (SecurityException se) { 7572 return false; 7573 } finally { 7574 mInjector.binderRestoreCallingIdentity(ident); 7575 } 7576 } 7577 } 7578 7579 @Override 7580 public int getPermissionGrantState(ComponentName admin, String packageName, 7581 String permission) throws RemoteException { 7582 PackageManager packageManager = mContext.getPackageManager(); 7583 7584 UserHandle user = mInjector.binderGetCallingUserHandle(); 7585 synchronized (this) { 7586 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7587 long ident = mInjector.binderClearCallingIdentity(); 7588 try { 7589 int granted = mIPackageManager.checkPermission(permission, 7590 packageName, user.getIdentifier()); 7591 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 7592 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 7593 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 7594 // Not controlled by policy 7595 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 7596 } else { 7597 // Policy controlled so return result based on permission grant state 7598 return granted == PackageManager.PERMISSION_GRANTED 7599 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 7600 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 7601 } 7602 } finally { 7603 mInjector.binderRestoreCallingIdentity(ident); 7604 } 7605 } 7606 } 7607 7608 boolean isPackageInstalledForUser(String packageName, int userHandle) { 7609 try { 7610 PackageInfo pi = mIPackageManager.getPackageInfo(packageName, 0, userHandle); 7611 return (pi != null) && (pi.applicationInfo.flags != 0); 7612 } catch (RemoteException re) { 7613 throw new RuntimeException("Package manager has died", re); 7614 } 7615 } 7616 7617 @Override 7618 public boolean isProvisioningAllowed(String action) { 7619 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7620 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 7621 if (!hasFeatureManagedUsers()) { 7622 return false; 7623 } 7624 synchronized (this) { 7625 if (mOwners.hasDeviceOwner()) { 7626 if (!mInjector.userManagerIsSplitSystemUser()) { 7627 // Only split-system-user systems support managed-profiles in combination with 7628 // device-owner. 7629 return false; 7630 } 7631 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 7632 // Only system device-owner supports managed-profiles. Non-system device-owner 7633 // doesn't. 7634 return false; 7635 } 7636 if (callingUserId == UserHandle.USER_SYSTEM) { 7637 // Managed-profiles cannot be setup on the system user, only regular users. 7638 return false; 7639 } 7640 } 7641 } 7642 if (getProfileOwner(callingUserId) != null) { 7643 // Managed user cannot have a managed profile. 7644 return false; 7645 } 7646 final long ident = mInjector.binderClearCallingIdentity(); 7647 try { 7648 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 7649 return false; 7650 } 7651 } finally { 7652 mInjector.binderRestoreCallingIdentity(ident); 7653 } 7654 return true; 7655 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 7656 return isDeviceOwnerProvisioningAllowed(callingUserId); 7657 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 7658 if (!hasFeatureManagedUsers()) { 7659 return false; 7660 } 7661 if (!mInjector.userManagerIsSplitSystemUser()) { 7662 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 7663 return false; 7664 } 7665 if (callingUserId == UserHandle.USER_SYSTEM) { 7666 // System user cannot be a managed user. 7667 return false; 7668 } 7669 if (hasUserSetupCompleted(callingUserId)) { 7670 return false; 7671 } 7672 return true; 7673 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 7674 if (!mInjector.userManagerIsSplitSystemUser()) { 7675 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 7676 return false; 7677 } 7678 return isDeviceOwnerProvisioningAllowed(callingUserId); 7679 } 7680 throw new IllegalArgumentException("Unknown provisioning action " + action); 7681 } 7682 7683 private boolean isDeviceOwnerProvisioningAllowed(int callingUserId) { 7684 synchronized (this) { 7685 if (mOwners.hasDeviceOwner()) { 7686 return false; 7687 } 7688 } 7689 if (getProfileOwner(callingUserId) != null) { 7690 return false; 7691 } 7692 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) != 0) { 7693 return false; 7694 } 7695 if (callingUserId != UserHandle.USER_SYSTEM) { 7696 // Device owner provisioning can only be initiated from system user. 7697 return false; 7698 } 7699 return true; 7700 } 7701 7702 private boolean hasFeatureManagedUsers() { 7703 try { 7704 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS); 7705 } catch (RemoteException e) { 7706 return false; 7707 } 7708 } 7709 7710 @Override 7711 public String getWifiMacAddress() { 7712 // Make sure caller has DO. 7713 synchronized (this) { 7714 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7715 } 7716 7717 final long ident = mInjector.binderClearCallingIdentity(); 7718 try { 7719 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 7720 if (wifiInfo == null) { 7721 return null; 7722 } 7723 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 7724 } finally { 7725 mInjector.binderRestoreCallingIdentity(ident); 7726 } 7727 } 7728 7729 /** 7730 * Returns the target sdk version number that the given packageName was built for 7731 * in the given user. 7732 */ 7733 private int getTargetSdk(String packageName, int userId) throws RemoteException { 7734 final ApplicationInfo ai = mIPackageManager 7735 .getApplicationInfo(packageName, 0, userId); 7736 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 7737 return targetSdkVersion; 7738 } 7739 7740 @Override 7741 public boolean isManagedProfile(ComponentName admin) { 7742 synchronized (this) { 7743 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7744 } 7745 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7746 final UserInfo user; 7747 long ident = mInjector.binderClearCallingIdentity(); 7748 try { 7749 user = mUserManager.getUserInfo(callingUserId); 7750 } finally { 7751 mInjector.binderRestoreCallingIdentity(ident); 7752 } 7753 return user != null && user.isManagedProfile(); 7754 } 7755 7756 @Override 7757 public boolean isSystemOnlyUser(ComponentName admin) { 7758 synchronized (this) { 7759 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7760 } 7761 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7762 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 7763 } 7764 7765 @Override 7766 public void reboot(ComponentName admin) { 7767 Preconditions.checkNotNull(admin); 7768 // Make sure caller has DO. 7769 synchronized (this) { 7770 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7771 } 7772 long ident = mInjector.binderClearCallingIdentity(); 7773 try { 7774 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 7775 } finally { 7776 mInjector.binderRestoreCallingIdentity(ident); 7777 } 7778 } 7779 7780 @Override 7781 public void setShortSupportMessage(@NonNull ComponentName who, String message) { 7782 if (!mHasFeature) { 7783 return; 7784 } 7785 Preconditions.checkNotNull(who, "ComponentName is null"); 7786 final int userHandle = mInjector.userHandleGetCallingUserId(); 7787 synchronized (this) { 7788 ActiveAdmin admin = getActiveAdminForUidLocked(who, 7789 mInjector.binderGetCallingUid()); 7790 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 7791 admin.shortSupportMessage = message; 7792 saveSettingsLocked(userHandle); 7793 } 7794 } 7795 } 7796 7797 @Override 7798 public String getShortSupportMessage(@NonNull ComponentName who) { 7799 if (!mHasFeature) { 7800 return null; 7801 } 7802 Preconditions.checkNotNull(who, "ComponentName is null"); 7803 synchronized (this) { 7804 ActiveAdmin admin = getActiveAdminForUidLocked(who, 7805 mInjector.binderGetCallingUid()); 7806 return admin.shortSupportMessage; 7807 } 7808 } 7809 7810 @Override 7811 public void setLongSupportMessage(@NonNull ComponentName who, String message) { 7812 if (!mHasFeature) { 7813 return; 7814 } 7815 Preconditions.checkNotNull(who, "ComponentName is null"); 7816 final int userHandle = mInjector.userHandleGetCallingUserId(); 7817 synchronized (this) { 7818 ActiveAdmin admin = getActiveAdminForUidLocked(who, 7819 mInjector.binderGetCallingUid()); 7820 if (!TextUtils.equals(admin.longSupportMessage, message)) { 7821 admin.longSupportMessage = message; 7822 saveSettingsLocked(userHandle); 7823 } 7824 } 7825 } 7826 7827 @Override 7828 public String getLongSupportMessage(@NonNull ComponentName who) { 7829 if (!mHasFeature) { 7830 return null; 7831 } 7832 Preconditions.checkNotNull(who, "ComponentName is null"); 7833 synchronized (this) { 7834 ActiveAdmin admin = getActiveAdminForUidLocked(who, 7835 mInjector.binderGetCallingUid()); 7836 return admin.longSupportMessage; 7837 } 7838 } 7839 7840 @Override 7841 public String getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 7842 if (!mHasFeature) { 7843 return null; 7844 } 7845 Preconditions.checkNotNull(who, "ComponentName is null"); 7846 if (!UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID)) { 7847 throw new SecurityException("Only the system can query support message for user"); 7848 } 7849 synchronized (this) { 7850 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7851 if (admin != null) { 7852 return admin.shortSupportMessage; 7853 } 7854 } 7855 return null; 7856 } 7857 7858 @Override 7859 public String getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 7860 if (!mHasFeature) { 7861 return null; 7862 } 7863 Preconditions.checkNotNull(who, "ComponentName is null"); 7864 if (!UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID)) { 7865 throw new SecurityException("Only the system can query support message for user"); 7866 } 7867 synchronized (this) { 7868 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7869 if (admin != null) { 7870 return admin.longSupportMessage; 7871 } 7872 } 7873 return null; 7874 } 7875 7876 @Override 7877 public void setOrganizationColor(@NonNull ComponentName who, int color) { 7878 final int userHandle = mInjector.userHandleGetCallingUserId(); 7879 if (!mHasFeature || !isManagedProfile(userHandle)) { 7880 return; 7881 } 7882 Preconditions.checkNotNull(who, "ComponentName is null"); 7883 synchronized (this) { 7884 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7885 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7886 admin.organizationColor = color; 7887 saveSettingsLocked(userHandle); 7888 } 7889 } 7890 7891 @Override 7892 public int getOrganizationColor(@NonNull ComponentName who) { 7893 final int userHandle = mInjector.userHandleGetCallingUserId(); 7894 if (!mHasFeature || !isManagedProfile(userHandle)) { 7895 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 7896 } 7897 synchronized (this) { 7898 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7899 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7900 return admin.organizationColor; 7901 } 7902 } 7903 7904 @Override 7905 public int getOrganizationColorForUser(int userHandle) { 7906 if (!mHasFeature || !isManagedProfile(userHandle)) { 7907 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 7908 } 7909 enforceCrossUsersPermission(userHandle); 7910 synchronized (this) { 7911 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 7912 return (profileOwner != null) 7913 ? profileOwner.organizationColor 7914 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 7915 } 7916 } 7917 7918 @Override 7919 public void setAffiliationIds(ComponentName admin, List<String> ids) { 7920 final Set<String> affiliationIds = new ArraySet<String>(ids); 7921 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7922 7923 synchronized (this) { 7924 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7925 getUserData(callingUserId).mAffiliationIds = affiliationIds; 7926 saveSettingsLocked(callingUserId); 7927 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 7928 // Affiliation ids specified by the device owner are additionally stored in 7929 // UserHandle.USER_SYSTEM's DevicePolicyData. 7930 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 7931 saveSettingsLocked(UserHandle.USER_SYSTEM); 7932 } 7933 } 7934 } 7935 7936 @Override 7937 public boolean isAffiliatedUser() { 7938 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7939 7940 synchronized (this) { 7941 if (mOwners.getDeviceOwnerUserId() == callingUserId) { 7942 // The user that the DO is installed on is always affiliated. 7943 return true; 7944 } 7945 final ComponentName profileOwner = getProfileOwner(callingUserId); 7946 if (profileOwner == null 7947 || !profileOwner.getPackageName().equals(mOwners.getDeviceOwnerPackageName())) { 7948 return false; 7949 } 7950 final Set<String> userAffiliationIds = getUserData(callingUserId).mAffiliationIds; 7951 final Set<String> deviceAffiliationIds = 7952 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 7953 for (String id : userAffiliationIds) { 7954 if (deviceAffiliationIds.contains(id)) { 7955 return true; 7956 } 7957 } 7958 } 7959 return false; 7960 } 7961} 7962