DevicePolicyManagerService.java revision 189463286449b618633ea928de39113499a08c03
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 21import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24 25import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 26import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 27import static org.xmlpull.v1.XmlPullParser.END_TAG; 28import static org.xmlpull.v1.XmlPullParser.TEXT; 29 30import android.Manifest.permission; 31import android.accessibilityservice.AccessibilityServiceInfo; 32import android.accounts.Account; 33import android.accounts.AccountManager; 34import android.annotation.IntDef; 35import android.annotation.NonNull; 36import android.annotation.Nullable; 37import android.annotation.UserIdInt; 38import android.app.Activity; 39import android.app.ActivityManager; 40import android.app.ActivityManagerNative; 41import android.app.AlarmManager; 42import android.app.AppGlobals; 43import android.app.IActivityManager; 44import android.app.Notification; 45import android.app.NotificationManager; 46import android.app.PendingIntent; 47import android.app.StatusBarManager; 48import android.app.admin.DeviceAdminInfo; 49import android.app.admin.DeviceAdminReceiver; 50import android.app.admin.DevicePolicyManager; 51import android.app.admin.DevicePolicyManagerInternal; 52import android.app.admin.IDevicePolicyManager; 53import android.app.admin.SecurityLog; 54import android.app.admin.SecurityLog.SecurityEvent; 55import android.app.admin.SystemUpdatePolicy; 56import android.app.backup.IBackupManager; 57import android.app.trust.TrustManager; 58import android.content.BroadcastReceiver; 59import android.content.ComponentName; 60import android.content.Context; 61import android.content.Intent; 62import android.content.IntentFilter; 63import android.content.pm.ActivityInfo; 64import android.content.pm.ApplicationInfo; 65import android.content.pm.IPackageManager; 66import android.content.pm.PackageInfo; 67import android.content.pm.PackageManager; 68import android.content.pm.PackageManager.NameNotFoundException; 69import android.content.pm.PackageManagerInternal; 70import android.content.pm.ParceledListSlice; 71import android.content.pm.ResolveInfo; 72import android.content.pm.ServiceInfo; 73import android.content.pm.UserInfo; 74import android.database.ContentObserver; 75import android.graphics.Bitmap; 76import android.graphics.Color; 77import android.media.AudioManager; 78import android.media.IAudioService; 79import android.net.ConnectivityManager; 80import android.net.ProxyInfo; 81import android.net.Uri; 82import android.net.wifi.WifiInfo; 83import android.net.wifi.WifiManager; 84import android.os.AsyncTask; 85import android.os.Binder; 86import android.os.Build; 87import android.os.Bundle; 88import android.os.Environment; 89import android.os.FileUtils; 90import android.os.Handler; 91import android.os.IBinder; 92import android.os.Looper; 93import android.os.ParcelFileDescriptor; 94import android.os.PersistableBundle; 95import android.os.PowerManager; 96import android.os.PowerManagerInternal; 97import android.os.Process; 98import android.os.RecoverySystem; 99import android.os.RemoteCallback; 100import android.os.RemoteException; 101import android.os.ServiceManager; 102import android.os.SystemClock; 103import android.os.SystemProperties; 104import android.os.UserHandle; 105import android.os.UserManager; 106import android.os.UserManagerInternal; 107import android.os.storage.StorageManager; 108import android.provider.ContactsContract.QuickContact; 109import android.provider.ContactsInternal; 110import android.provider.Settings; 111import android.security.Credentials; 112import android.security.IKeyChainAliasCallback; 113import android.security.IKeyChainService; 114import android.security.KeyChain; 115import android.security.KeyChain.KeyChainConnection; 116import android.service.persistentdata.PersistentDataBlockManager; 117import android.telephony.TelephonyManager; 118import android.text.TextUtils; 119import android.util.ArrayMap; 120import android.util.ArraySet; 121import android.util.Log; 122import android.util.Pair; 123import android.util.Slog; 124import android.util.SparseArray; 125import android.util.Xml; 126import android.view.IWindowManager; 127import android.view.accessibility.AccessibilityManager; 128import android.view.accessibility.IAccessibilityManager; 129import android.view.inputmethod.InputMethodInfo; 130import android.view.inputmethod.InputMethodManager; 131 132import com.android.internal.R; 133import com.android.internal.annotations.VisibleForTesting; 134import com.android.internal.statusbar.IStatusBarService; 135import com.android.internal.util.FastXmlSerializer; 136import com.android.internal.util.JournaledFile; 137import com.android.internal.util.ParcelableString; 138import com.android.internal.util.Preconditions; 139import com.android.internal.util.XmlUtils; 140import com.android.internal.widget.LockPatternUtils; 141import com.android.server.LocalServices; 142import com.android.server.SystemService; 143import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 144import com.android.server.pm.UserRestrictionsUtils; 145import com.google.android.collect.Sets; 146 147import org.xmlpull.v1.XmlPullParser; 148import org.xmlpull.v1.XmlPullParserException; 149import org.xmlpull.v1.XmlSerializer; 150 151import java.io.ByteArrayInputStream; 152import java.io.File; 153import java.io.FileDescriptor; 154import java.io.FileInputStream; 155import java.io.FileNotFoundException; 156import java.io.FileOutputStream; 157import java.io.IOException; 158import java.io.PrintWriter; 159import java.lang.annotation.Retention; 160import java.lang.annotation.RetentionPolicy; 161import java.nio.charset.StandardCharsets; 162import java.security.cert.CertificateException; 163import java.security.cert.CertificateFactory; 164import java.security.cert.X509Certificate; 165import java.text.DateFormat; 166import java.util.ArrayList; 167import java.util.Arrays; 168import java.util.Collections; 169import java.util.Date; 170import java.util.List; 171import java.util.Map.Entry; 172import java.util.Set; 173import java.util.concurrent.atomic.AtomicBoolean; 174 175/** 176 * Implementation of the device policy APIs. 177 */ 178public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 179 180 private static final String LOG_TAG = "DevicePolicyManagerService"; 181 182 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 183 184 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 185 186 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 187 188 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 189 190 private static final String TAG_STATUS_BAR = "statusbar"; 191 192 private static final String ATTR_DISABLED = "disabled"; 193 194 private static final String ATTR_NAME = "name"; 195 196 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 197 "do-not-ask-credentials-on-boot"; 198 199 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 200 201 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 202 203 private static final String ATTR_VALUE = "value"; 204 205 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 206 207 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 208 209 private static final long MS_PER_DAY = 86400 * 1000; 210 211 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 212 213 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 214 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 215 216 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 217 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 218 219 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 220 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 221 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 222 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 223 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 224 "device-provisioning-config-applied"; 225 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 226 227 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 228 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 229 = "application-restrictions-manager"; 230 231 /** 232 * System property whose value is either "true" or "false", indicating whether 233 */ 234 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 235 236 private static final int STATUS_BAR_DISABLE_MASK = 237 StatusBarManager.DISABLE_EXPAND | 238 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 239 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 240 StatusBarManager.DISABLE_SEARCH; 241 242 private static final int STATUS_BAR_DISABLE2_MASK = 243 StatusBarManager.DISABLE2_QUICK_SETTINGS; 244 245 private static final Set<String> SECURE_SETTINGS_WHITELIST; 246 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 247 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 248 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 249 static { 250 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 251 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 252 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 253 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 254 255 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 256 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 257 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 258 259 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 260 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 261 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 262 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 263 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 264 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 265 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 266 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 267 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 268 269 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 270 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 271 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 272 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 273 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 274 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 275 } 276 277 /** 278 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 279 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 280 * instance. 281 */ 282 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 283 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 284 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 285 286 /** 287 * Keyguard features that when set on a profile affect the profile content or challenge only. 288 * These cannot be set on the managed profile's parent DPM instance 289 */ 290 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 291 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 292 293 /** Keyguard features that are allowed to be set on a managed profile */ 294 private static final int PROFILE_KEYGUARD_FEATURES = 295 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 296 297 private static final int CODE_OK = 0; 298 private static final int CODE_HAS_DEVICE_OWNER = 1; 299 private static final int CODE_USER_HAS_PROFILE_OWNER = 2; 300 private static final int CODE_USER_NOT_RUNNING = 3; 301 private static final int CODE_USER_SETUP_COMPLETED = 4; 302 private static final int CODE_NONSYSTEM_USER_EXISTS = 5; 303 private static final int CODE_ACCOUNTS_NOT_EMPTY = 6; 304 private static final int CODE_NOT_SYSTEM_USER = 7; 305 private static final int CODE_HAS_PAIRED = 8; 306 307 @Retention(RetentionPolicy.SOURCE) 308 @IntDef({ CODE_OK, CODE_HAS_DEVICE_OWNER, CODE_USER_HAS_PROFILE_OWNER, CODE_USER_NOT_RUNNING, 309 CODE_USER_SETUP_COMPLETED, CODE_NOT_SYSTEM_USER }) 310 private @interface DeviceOwnerPreConditionCode {} 311 312 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 313 314 /** 315 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 316 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 317 */ 318 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = 1 * 60 * 60 * 1000; // 1h 319 320 final Context mContext; 321 final Injector mInjector; 322 final IPackageManager mIPackageManager; 323 final UserManager mUserManager; 324 final UserManagerInternal mUserManagerInternal; 325 final TelephonyManager mTelephonyManager; 326 private final LockPatternUtils mLockPatternUtils; 327 328 /** 329 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 330 * is requested for user u. 331 */ 332 private final Set<Pair<String, Integer>> mPackagesToRemove = 333 new ArraySet<Pair<String, Integer>>(); 334 335 final LocalService mLocalService; 336 337 // Stores and loads state on device and profile owners. 338 @VisibleForTesting 339 final Owners mOwners; 340 341 private final Binder mToken = new Binder(); 342 343 /** 344 * Whether or not device admin feature is supported. If it isn't return defaults for all 345 * public methods. 346 */ 347 boolean mHasFeature; 348 349 /** 350 * Whether or not this device is a watch. 351 */ 352 boolean mIsWatch; 353 354 private final SecurityLogMonitor mSecurityLogMonitor; 355 356 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 357 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 358 359 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 360 @Override 361 public void run() { 362 if(mRemoteBugreportServiceIsActive.get()) { 363 onBugreportFailed(); 364 } 365 } 366 }; 367 368 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 369 370 @Override 371 public void onReceive(Context context, Intent intent) { 372 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 373 && mRemoteBugreportServiceIsActive.get()) { 374 onBugreportFinished(intent); 375 } 376 } 377 }; 378 379 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 380 381 @Override 382 public void onReceive(Context context, Intent intent) { 383 String action = intent.getAction(); 384 mInjector.getNotificationManager().cancel(LOG_TAG, 385 RemoteBugreportUtils.NOTIFICATION_ID); 386 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 387 onBugreportSharingAccepted(); 388 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 389 onBugreportSharingDeclined(); 390 } 391 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 392 } 393 }; 394 395 public static final class Lifecycle extends SystemService { 396 private DevicePolicyManagerService mService; 397 398 public Lifecycle(Context context) { 399 super(context); 400 mService = new DevicePolicyManagerService(context); 401 } 402 403 @Override 404 public void onStart() { 405 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 406 } 407 408 @Override 409 public void onBootPhase(int phase) { 410 mService.systemReady(phase); 411 } 412 413 @Override 414 public void onStartUser(int userHandle) { 415 mService.onStartUser(userHandle); 416 } 417 } 418 419 public static class DevicePolicyData { 420 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 421 int mActivePasswordLength = 0; 422 int mActivePasswordUpperCase = 0; 423 int mActivePasswordLowerCase = 0; 424 int mActivePasswordLetters = 0; 425 int mActivePasswordNumeric = 0; 426 int mActivePasswordSymbols = 0; 427 int mActivePasswordNonLetter = 0; 428 int mFailedPasswordAttempts = 0; 429 430 int mUserHandle; 431 int mPasswordOwner = -1; 432 long mLastMaximumTimeToLock = -1; 433 boolean mUserSetupComplete = false; 434 boolean mPaired = false; 435 int mUserProvisioningState; 436 int mPermissionPolicy; 437 438 boolean mDeviceProvisioningConfigApplied = false; 439 440 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 441 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 442 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 443 444 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 445 446 // This is the list of component allowed to start lock task mode. 447 List<String> mLockTaskPackages = new ArrayList<>(); 448 449 boolean mStatusBarDisabled = false; 450 451 ComponentName mRestrictionsProvider; 452 453 String mDelegatedCertInstallerPackage; 454 455 boolean doNotAskCredentialsOnBoot = false; 456 457 String mApplicationRestrictionsManagingPackage; 458 459 Set<String> mAffiliationIds = new ArraySet<>(); 460 461 // Used for initialization of users created by createAndManageUsers. 462 boolean mAdminBroadcastPending = false; 463 PersistableBundle mInitBundle = null; 464 465 public DevicePolicyData(int userHandle) { 466 mUserHandle = userHandle; 467 } 468 } 469 470 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 471 472 final Handler mHandler; 473 474 BroadcastReceiver mReceiver = new BroadcastReceiver() { 475 @Override 476 public void onReceive(Context context, Intent intent) { 477 final String action = intent.getAction(); 478 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 479 getSendingUserId()); 480 481 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 482 && userHandle == mOwners.getDeviceOwnerUserId() 483 && getDeviceOwnerRemoteBugreportUri() != null) { 484 IntentFilter filterConsent = new IntentFilter(); 485 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 486 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 487 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 488 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 489 RemoteBugreportUtils.NOTIFICATION_ID, 490 RemoteBugreportUtils.buildNotification(mContext, 491 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 492 UserHandle.ALL); 493 } 494 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 495 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 496 if (VERBOSE_LOG) { 497 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 498 + action + " for user " + userHandle); 499 } 500 mHandler.post(new Runnable() { 501 @Override 502 public void run() { 503 handlePasswordExpirationNotification(userHandle); 504 } 505 }); 506 } 507 if (Intent.ACTION_USER_UNLOCKED.equals(action) 508 || Intent.ACTION_USER_STARTED.equals(action) 509 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 510 int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 511 new MonitoringCertNotificationTask().execute(userId); 512 } 513 if (Intent.ACTION_USER_ADDED.equals(action)) { 514 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 515 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 516 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 517 removeUserData(userHandle); 518 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 519 synchronized (DevicePolicyManagerService.this) { 520 // Reset the policy data 521 mUserData.remove(userHandle); 522 sendAdminEnabledBroadcastLocked(userHandle); 523 } 524 handlePackagesChanged(null /* check all admins */, userHandle); 525 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 526 handlePackagesChanged(null /* check all admins */, userHandle); 527 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 528 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 529 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 530 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 531 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 532 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 533 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 534 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 535 clearWipeProfileNotification(); 536 } 537 } 538 }; 539 540 static class ActiveAdmin { 541 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 542 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 543 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 544 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 545 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 546 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 547 = "disable-bt-contacts-sharing"; 548 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 549 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 550 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 551 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 552 private static final String TAG_ACCOUNT_TYPE = "account-type"; 553 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 554 = "permitted-accessiblity-services"; 555 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 556 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 557 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 558 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 559 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 560 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 561 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 562 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 563 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 564 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 565 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 566 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 567 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 568 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 569 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 570 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 571 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 572 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 573 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 574 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 575 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 576 private static final String ATTR_VALUE = "value"; 577 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 578 private static final String TAG_POLICIES = "policies"; 579 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 580 "cross-profile-widget-providers"; 581 private static final String TAG_PROVIDER = "provider"; 582 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 583 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 584 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 585 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 586 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 587 private static final String TAG_PARENT_ADMIN = "parent-admin"; 588 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 589 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 590 591 final DeviceAdminInfo info; 592 593 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 594 595 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 596 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 597 598 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 599 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 600 601 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 602 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 603 604 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 605 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 606 607 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 608 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 609 610 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 611 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 612 613 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 614 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 615 616 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 617 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 618 619 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 620 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 621 622 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 623 624 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 625 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 626 627 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 628 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 629 630 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 631 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 632 633 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 634 635 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 636 637 boolean encryptionRequested = false; 638 boolean testOnlyAdmin = false; 639 boolean disableCamera = false; 640 boolean disableCallerId = false; 641 boolean disableContactsSearch = false; 642 boolean disableBluetoothContactSharing = true; 643 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 644 boolean requireAutoTime = false; // Can only be set by a device owner. 645 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 646 647 ActiveAdmin parentAdmin; 648 final boolean isParent; 649 650 static class TrustAgentInfo { 651 public PersistableBundle options; 652 TrustAgentInfo(PersistableBundle bundle) { 653 options = bundle; 654 } 655 } 656 657 Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 658 659 // The list of permitted accessibility services package namesas set by a profile 660 // or device owner. Null means all accessibility services are allowed, empty means 661 // none except system services are allowed. 662 List<String> permittedAccessiblityServices; 663 664 // The list of permitted input methods package names as set by a profile or device owner. 665 // Null means all input methods are allowed, empty means none except system imes are 666 // allowed. 667 List<String> permittedInputMethods; 668 669 // List of package names to keep cached. 670 List<String> keepUninstalledPackages; 671 672 // TODO: review implementation decisions with frameworks team 673 boolean specifiesGlobalProxy = false; 674 String globalProxySpec = null; 675 String globalProxyExclusionList = null; 676 677 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 678 679 List<String> crossProfileWidgetProviders; 680 681 Bundle userRestrictions; 682 683 // Support text provided by the admin to display to the user. 684 CharSequence shortSupportMessage = null; 685 CharSequence longSupportMessage = null; 686 687 // Background color of confirm credentials screen. Default: teal. 688 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 689 int organizationColor = DEF_ORGANIZATION_COLOR; 690 691 // Default title of confirm credentials screen 692 String organizationName = null; 693 694 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 695 info = _info; 696 isParent = parent; 697 } 698 699 ActiveAdmin getParentActiveAdmin() { 700 Preconditions.checkState(!isParent); 701 702 if (parentAdmin == null) { 703 parentAdmin = new ActiveAdmin(info, /* parent */ true); 704 } 705 return parentAdmin; 706 } 707 708 boolean hasParentActiveAdmin() { 709 return parentAdmin != null; 710 } 711 712 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 713 714 public UserHandle getUserHandle() { 715 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 716 } 717 718 void writeToXml(XmlSerializer out) 719 throws IllegalArgumentException, IllegalStateException, IOException { 720 out.startTag(null, TAG_POLICIES); 721 info.writePoliciesToXml(out); 722 out.endTag(null, TAG_POLICIES); 723 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 724 out.startTag(null, TAG_PASSWORD_QUALITY); 725 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 726 out.endTag(null, TAG_PASSWORD_QUALITY); 727 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 728 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 729 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 730 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 731 } 732 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 733 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 734 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 735 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 736 } 737 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 738 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 739 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 740 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 741 } 742 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 743 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 744 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 745 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 746 } 747 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 748 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 749 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 750 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 751 } 752 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 753 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 754 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 755 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 756 } 757 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 758 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 759 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 760 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 761 } 762 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 763 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 764 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 765 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 766 } 767 } 768 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 769 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 770 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 771 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 772 } 773 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 774 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 775 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 776 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 777 } 778 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 779 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 780 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 781 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 782 } 783 if (specifiesGlobalProxy) { 784 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 785 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 786 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 787 if (globalProxySpec != null) { 788 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 789 out.attribute(null, ATTR_VALUE, globalProxySpec); 790 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 791 } 792 if (globalProxyExclusionList != null) { 793 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 794 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 795 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 796 } 797 } 798 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 799 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 800 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 801 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 802 } 803 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 804 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 805 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 806 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 807 } 808 if (encryptionRequested) { 809 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 810 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 811 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 812 } 813 if (testOnlyAdmin) { 814 out.startTag(null, TAG_TEST_ONLY_ADMIN); 815 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 816 out.endTag(null, TAG_TEST_ONLY_ADMIN); 817 } 818 if (disableCamera) { 819 out.startTag(null, TAG_DISABLE_CAMERA); 820 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 821 out.endTag(null, TAG_DISABLE_CAMERA); 822 } 823 if (disableCallerId) { 824 out.startTag(null, TAG_DISABLE_CALLER_ID); 825 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 826 out.endTag(null, TAG_DISABLE_CALLER_ID); 827 } 828 if (disableContactsSearch) { 829 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 830 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 831 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 832 } 833 if (!disableBluetoothContactSharing) { 834 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 835 out.attribute(null, ATTR_VALUE, 836 Boolean.toString(disableBluetoothContactSharing)); 837 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 838 } 839 if (disableScreenCapture) { 840 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 841 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 842 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 843 } 844 if (requireAutoTime) { 845 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 846 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 847 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 848 } 849 if (forceEphemeralUsers) { 850 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 851 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 852 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 853 } 854 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 855 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 856 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 857 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 858 } 859 if (!accountTypesWithManagementDisabled.isEmpty()) { 860 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 861 for (String ac : accountTypesWithManagementDisabled) { 862 out.startTag(null, TAG_ACCOUNT_TYPE); 863 out.attribute(null, ATTR_VALUE, ac); 864 out.endTag(null, TAG_ACCOUNT_TYPE); 865 } 866 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 867 } 868 if (!trustAgentInfos.isEmpty()) { 869 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 870 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 871 for (Entry<String, TrustAgentInfo> entry : set) { 872 TrustAgentInfo trustAgentInfo = entry.getValue(); 873 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 874 out.attribute(null, ATTR_VALUE, entry.getKey()); 875 if (trustAgentInfo.options != null) { 876 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 877 try { 878 trustAgentInfo.options.saveToXml(out); 879 } catch (XmlPullParserException e) { 880 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 881 } 882 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 883 } 884 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 885 } 886 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 887 } 888 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 889 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 890 final int providerCount = crossProfileWidgetProviders.size(); 891 for (int i = 0; i < providerCount; i++) { 892 String provider = crossProfileWidgetProviders.get(i); 893 out.startTag(null, TAG_PROVIDER); 894 out.attribute(null, ATTR_VALUE, provider); 895 out.endTag(null, TAG_PROVIDER); 896 } 897 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 898 } 899 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 900 permittedAccessiblityServices); 901 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 902 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 903 if (hasUserRestrictions()) { 904 UserRestrictionsUtils.writeRestrictions( 905 out, userRestrictions, TAG_USER_RESTRICTIONS); 906 } 907 if (!TextUtils.isEmpty(shortSupportMessage)) { 908 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 909 out.text(shortSupportMessage.toString()); 910 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 911 } 912 if (!TextUtils.isEmpty(longSupportMessage)) { 913 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 914 out.text(longSupportMessage.toString()); 915 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 916 } 917 if (parentAdmin != null) { 918 out.startTag(null, TAG_PARENT_ADMIN); 919 parentAdmin.writeToXml(out); 920 out.endTag(null, TAG_PARENT_ADMIN); 921 } 922 if (organizationColor != DEF_ORGANIZATION_COLOR) { 923 out.startTag(null, TAG_ORGANIZATION_COLOR); 924 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 925 out.endTag(null, TAG_ORGANIZATION_COLOR); 926 } 927 if (organizationName != null) { 928 out.startTag(null, TAG_ORGANIZATION_NAME); 929 out.text(organizationName); 930 out.endTag(null, TAG_ORGANIZATION_NAME); 931 } 932 } 933 934 void writePackageListToXml(XmlSerializer out, String outerTag, 935 List<String> packageList) 936 throws IllegalArgumentException, IllegalStateException, IOException { 937 if (packageList == null) { 938 return; 939 } 940 941 out.startTag(null, outerTag); 942 for (String packageName : packageList) { 943 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 944 out.attribute(null, ATTR_VALUE, packageName); 945 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 946 } 947 out.endTag(null, outerTag); 948 } 949 950 void readFromXml(XmlPullParser parser) 951 throws XmlPullParserException, IOException { 952 int outerDepth = parser.getDepth(); 953 int type; 954 while ((type=parser.next()) != END_DOCUMENT 955 && (type != END_TAG || parser.getDepth() > outerDepth)) { 956 if (type == END_TAG || type == TEXT) { 957 continue; 958 } 959 String tag = parser.getName(); 960 if (TAG_POLICIES.equals(tag)) { 961 info.readPoliciesFromXml(parser); 962 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 963 passwordQuality = Integer.parseInt( 964 parser.getAttributeValue(null, ATTR_VALUE)); 965 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 966 minimumPasswordLength = Integer.parseInt( 967 parser.getAttributeValue(null, ATTR_VALUE)); 968 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 969 passwordHistoryLength = Integer.parseInt( 970 parser.getAttributeValue(null, ATTR_VALUE)); 971 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 972 minimumPasswordUpperCase = Integer.parseInt( 973 parser.getAttributeValue(null, ATTR_VALUE)); 974 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 975 minimumPasswordLowerCase = Integer.parseInt( 976 parser.getAttributeValue(null, ATTR_VALUE)); 977 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 978 minimumPasswordLetters = Integer.parseInt( 979 parser.getAttributeValue(null, ATTR_VALUE)); 980 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 981 minimumPasswordNumeric = Integer.parseInt( 982 parser.getAttributeValue(null, ATTR_VALUE)); 983 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 984 minimumPasswordSymbols = Integer.parseInt( 985 parser.getAttributeValue(null, ATTR_VALUE)); 986 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 987 minimumPasswordNonLetter = Integer.parseInt( 988 parser.getAttributeValue(null, ATTR_VALUE)); 989 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 990 maximumTimeToUnlock = Long.parseLong( 991 parser.getAttributeValue(null, ATTR_VALUE)); 992 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 993 strongAuthUnlockTimeout = Long.parseLong( 994 parser.getAttributeValue(null, ATTR_VALUE)); 995 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 996 maximumFailedPasswordsForWipe = Integer.parseInt( 997 parser.getAttributeValue(null, ATTR_VALUE)); 998 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 999 specifiesGlobalProxy = Boolean.parseBoolean( 1000 parser.getAttributeValue(null, ATTR_VALUE)); 1001 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1002 globalProxySpec = 1003 parser.getAttributeValue(null, ATTR_VALUE); 1004 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1005 globalProxyExclusionList = 1006 parser.getAttributeValue(null, ATTR_VALUE); 1007 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1008 passwordExpirationTimeout = Long.parseLong( 1009 parser.getAttributeValue(null, ATTR_VALUE)); 1010 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1011 passwordExpirationDate = Long.parseLong( 1012 parser.getAttributeValue(null, ATTR_VALUE)); 1013 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1014 encryptionRequested = Boolean.parseBoolean( 1015 parser.getAttributeValue(null, ATTR_VALUE)); 1016 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1017 testOnlyAdmin = Boolean.parseBoolean( 1018 parser.getAttributeValue(null, ATTR_VALUE)); 1019 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1020 disableCamera = Boolean.parseBoolean( 1021 parser.getAttributeValue(null, ATTR_VALUE)); 1022 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1023 disableCallerId = Boolean.parseBoolean( 1024 parser.getAttributeValue(null, ATTR_VALUE)); 1025 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1026 disableContactsSearch = Boolean.parseBoolean( 1027 parser.getAttributeValue(null, ATTR_VALUE)); 1028 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1029 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1030 .getAttributeValue(null, ATTR_VALUE)); 1031 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1032 disableScreenCapture = Boolean.parseBoolean( 1033 parser.getAttributeValue(null, ATTR_VALUE)); 1034 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1035 requireAutoTime = Boolean.parseBoolean( 1036 parser.getAttributeValue(null, ATTR_VALUE)); 1037 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1038 forceEphemeralUsers = Boolean.parseBoolean( 1039 parser.getAttributeValue(null, ATTR_VALUE)); 1040 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1041 disabledKeyguardFeatures = Integer.parseInt( 1042 parser.getAttributeValue(null, ATTR_VALUE)); 1043 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1044 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 1045 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1046 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1047 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1048 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 1049 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1050 permittedAccessiblityServices = readPackageList(parser, tag); 1051 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1052 permittedInputMethods = readPackageList(parser, tag); 1053 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1054 keepUninstalledPackages = readPackageList(parser, tag); 1055 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1056 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 1057 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1058 type = parser.next(); 1059 if (type == XmlPullParser.TEXT) { 1060 shortSupportMessage = parser.getText(); 1061 } else { 1062 Log.w(LOG_TAG, "Missing text when loading short support message"); 1063 } 1064 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1065 type = parser.next(); 1066 if (type == XmlPullParser.TEXT) { 1067 longSupportMessage = parser.getText(); 1068 } else { 1069 Log.w(LOG_TAG, "Missing text when loading long support message"); 1070 } 1071 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1072 Preconditions.checkState(!isParent); 1073 1074 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1075 parentAdmin.readFromXml(parser); 1076 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1077 organizationColor = Integer.parseInt( 1078 parser.getAttributeValue(null, ATTR_VALUE)); 1079 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1080 type = parser.next(); 1081 if (type == XmlPullParser.TEXT) { 1082 organizationName = parser.getText(); 1083 } else { 1084 Log.w(LOG_TAG, "Missing text when loading organization name"); 1085 } 1086 } else { 1087 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1088 XmlUtils.skipCurrentTag(parser); 1089 } 1090 } 1091 } 1092 1093 private List<String> readPackageList(XmlPullParser parser, 1094 String tag) throws XmlPullParserException, IOException { 1095 List<String> result = new ArrayList<String>(); 1096 int outerDepth = parser.getDepth(); 1097 int outerType; 1098 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1099 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1100 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1101 continue; 1102 } 1103 String outerTag = parser.getName(); 1104 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1105 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1106 if (packageName != null) { 1107 result.add(packageName); 1108 } else { 1109 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1110 } 1111 } else { 1112 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1113 } 1114 } 1115 return result; 1116 } 1117 1118 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 1119 throws XmlPullParserException, IOException { 1120 int outerDepthDAM = parser.getDepth(); 1121 int typeDAM; 1122 Set<String> result = new ArraySet<>(); 1123 while ((typeDAM=parser.next()) != END_DOCUMENT 1124 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1125 if (typeDAM == END_TAG || typeDAM == TEXT) { 1126 continue; 1127 } 1128 String tagDAM = parser.getName(); 1129 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 1130 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1131 } else { 1132 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1133 } 1134 } 1135 return result; 1136 } 1137 1138 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1139 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1140 int outerDepthDAM = parser.getDepth(); 1141 int typeDAM; 1142 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1143 while ((typeDAM=parser.next()) != END_DOCUMENT 1144 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1145 if (typeDAM == END_TAG || typeDAM == TEXT) { 1146 continue; 1147 } 1148 String tagDAM = parser.getName(); 1149 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1150 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1151 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1152 result.put(component, trustAgentInfo); 1153 } else { 1154 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1155 } 1156 } 1157 return result; 1158 } 1159 1160 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1161 throws XmlPullParserException, IOException { 1162 int outerDepthDAM = parser.getDepth(); 1163 int typeDAM; 1164 TrustAgentInfo result = new TrustAgentInfo(null); 1165 while ((typeDAM=parser.next()) != END_DOCUMENT 1166 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1167 if (typeDAM == END_TAG || typeDAM == TEXT) { 1168 continue; 1169 } 1170 String tagDAM = parser.getName(); 1171 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1172 result.options = PersistableBundle.restoreFromXml(parser); 1173 } else { 1174 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1175 } 1176 } 1177 return result; 1178 } 1179 1180 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 1181 throws XmlPullParserException, IOException { 1182 int outerDepthDAM = parser.getDepth(); 1183 int typeDAM; 1184 ArrayList<String> result = null; 1185 while ((typeDAM=parser.next()) != END_DOCUMENT 1186 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1187 if (typeDAM == END_TAG || typeDAM == TEXT) { 1188 continue; 1189 } 1190 String tagDAM = parser.getName(); 1191 if (TAG_PROVIDER.equals(tagDAM)) { 1192 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 1193 if (result == null) { 1194 result = new ArrayList<>(); 1195 } 1196 result.add(provider); 1197 } else { 1198 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1199 } 1200 } 1201 return result; 1202 } 1203 1204 boolean hasUserRestrictions() { 1205 return userRestrictions != null && userRestrictions.size() > 0; 1206 } 1207 1208 Bundle ensureUserRestrictions() { 1209 if (userRestrictions == null) { 1210 userRestrictions = new Bundle(); 1211 } 1212 return userRestrictions; 1213 } 1214 1215 void dump(String prefix, PrintWriter pw) { 1216 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1217 pw.print(prefix); pw.print("testOnlyAdmin="); 1218 pw.println(testOnlyAdmin); 1219 pw.print(prefix); pw.println("policies:"); 1220 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1221 if (pols != null) { 1222 for (int i=0; i<pols.size(); i++) { 1223 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1224 } 1225 } 1226 pw.print(prefix); pw.print("passwordQuality=0x"); 1227 pw.println(Integer.toHexString(passwordQuality)); 1228 pw.print(prefix); pw.print("minimumPasswordLength="); 1229 pw.println(minimumPasswordLength); 1230 pw.print(prefix); pw.print("passwordHistoryLength="); 1231 pw.println(passwordHistoryLength); 1232 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1233 pw.println(minimumPasswordUpperCase); 1234 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1235 pw.println(minimumPasswordLowerCase); 1236 pw.print(prefix); pw.print("minimumPasswordLetters="); 1237 pw.println(minimumPasswordLetters); 1238 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1239 pw.println(minimumPasswordNumeric); 1240 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1241 pw.println(minimumPasswordSymbols); 1242 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1243 pw.println(minimumPasswordNonLetter); 1244 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1245 pw.println(maximumTimeToUnlock); 1246 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1247 pw.println(strongAuthUnlockTimeout); 1248 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1249 pw.println(maximumFailedPasswordsForWipe); 1250 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1251 pw.println(specifiesGlobalProxy); 1252 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1253 pw.println(passwordExpirationTimeout); 1254 pw.print(prefix); pw.print("passwordExpirationDate="); 1255 pw.println(passwordExpirationDate); 1256 if (globalProxySpec != null) { 1257 pw.print(prefix); pw.print("globalProxySpec="); 1258 pw.println(globalProxySpec); 1259 } 1260 if (globalProxyExclusionList != null) { 1261 pw.print(prefix); pw.print("globalProxyEclusionList="); 1262 pw.println(globalProxyExclusionList); 1263 } 1264 pw.print(prefix); pw.print("encryptionRequested="); 1265 pw.println(encryptionRequested); 1266 pw.print(prefix); pw.print("disableCamera="); 1267 pw.println(disableCamera); 1268 pw.print(prefix); pw.print("disableCallerId="); 1269 pw.println(disableCallerId); 1270 pw.print(prefix); pw.print("disableContactsSearch="); 1271 pw.println(disableContactsSearch); 1272 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1273 pw.println(disableBluetoothContactSharing); 1274 pw.print(prefix); pw.print("disableScreenCapture="); 1275 pw.println(disableScreenCapture); 1276 pw.print(prefix); pw.print("requireAutoTime="); 1277 pw.println(requireAutoTime); 1278 pw.print(prefix); pw.print("forceEphemeralUsers="); 1279 pw.println(forceEphemeralUsers); 1280 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1281 pw.println(disabledKeyguardFeatures); 1282 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1283 pw.println(crossProfileWidgetProviders); 1284 if (permittedAccessiblityServices != null) { 1285 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1286 pw.println(permittedAccessiblityServices); 1287 } 1288 if (permittedInputMethods != null) { 1289 pw.print(prefix); pw.print("permittedInputMethods="); 1290 pw.println(permittedInputMethods); 1291 } 1292 if (keepUninstalledPackages != null) { 1293 pw.print(prefix); pw.print("keepUninstalledPackages="); 1294 pw.println(keepUninstalledPackages); 1295 } 1296 pw.print(prefix); pw.print("organizationColor="); 1297 pw.println(organizationColor); 1298 if (organizationName != null) { 1299 pw.print(prefix); pw.print("organizationName="); 1300 pw.println(organizationName); 1301 } 1302 pw.print(prefix); pw.println("userRestrictions:"); 1303 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1304 pw.print(prefix); pw.print("isParent="); 1305 pw.println(isParent); 1306 if (parentAdmin != null) { 1307 pw.print(prefix); pw.println("parentAdmin:"); 1308 parentAdmin.dump(prefix + " ", pw); 1309 } 1310 } 1311 } 1312 1313 private void handlePackagesChanged(String packageName, int userHandle) { 1314 boolean removed = false; 1315 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1316 DevicePolicyData policy = getUserData(userHandle); 1317 synchronized (this) { 1318 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1319 ActiveAdmin aa = policy.mAdminList.get(i); 1320 try { 1321 // If we're checking all packages or if the specific one we're checking matches, 1322 // then check if the package and receiver still exist. 1323 final String adminPackage = aa.info.getPackageName(); 1324 if (packageName == null || packageName.equals(adminPackage)) { 1325 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1326 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1327 PackageManager.MATCH_DIRECT_BOOT_AWARE 1328 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1329 userHandle) == null) { 1330 removed = true; 1331 policy.mAdminList.remove(i); 1332 policy.mAdminMap.remove(aa.info.getComponent()); 1333 } 1334 } 1335 } catch (RemoteException re) { 1336 // Shouldn't happen 1337 } 1338 } 1339 if (removed) { 1340 validatePasswordOwnerLocked(policy); 1341 saveSettingsLocked(policy.mUserHandle); 1342 } 1343 1344 // Check if delegated cert installer or app restrictions managing packages are removed. 1345 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1346 policy.mDelegatedCertInstallerPackage = null; 1347 saveSettingsLocked(policy.mUserHandle); 1348 } 1349 if (isRemovedPackage( 1350 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1351 policy.mApplicationRestrictionsManagingPackage = null; 1352 saveSettingsLocked(policy.mUserHandle); 1353 } 1354 } 1355 if (removed) { 1356 // The removed admin might have disabled camera, so update user restrictions. 1357 pushUserRestrictions(userHandle); 1358 } 1359 } 1360 1361 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1362 try { 1363 return targetPackage != null 1364 && (changedPackage == null || changedPackage.equals(targetPackage)) 1365 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1366 } catch (RemoteException e) { 1367 // Shouldn't happen 1368 } 1369 1370 return false; 1371 } 1372 1373 /** 1374 * Unit test will subclass it to inject mocks. 1375 */ 1376 @VisibleForTesting 1377 static class Injector { 1378 1379 private final Context mContext; 1380 1381 Injector(Context context) { 1382 mContext = context; 1383 } 1384 1385 Owners newOwners() { 1386 return new Owners(getUserManager(), getUserManagerInternal(), 1387 getPackageManagerInternal()); 1388 } 1389 1390 UserManager getUserManager() { 1391 return UserManager.get(mContext); 1392 } 1393 1394 UserManagerInternal getUserManagerInternal() { 1395 return LocalServices.getService(UserManagerInternal.class); 1396 } 1397 1398 PackageManagerInternal getPackageManagerInternal() { 1399 return LocalServices.getService(PackageManagerInternal.class); 1400 } 1401 1402 NotificationManager getNotificationManager() { 1403 return mContext.getSystemService(NotificationManager.class); 1404 } 1405 1406 PowerManagerInternal getPowerManagerInternal() { 1407 return LocalServices.getService(PowerManagerInternal.class); 1408 } 1409 1410 TelephonyManager getTelephonyManager() { 1411 return TelephonyManager.from(mContext); 1412 } 1413 1414 TrustManager getTrustManager() { 1415 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1416 } 1417 1418 IWindowManager getIWindowManager() { 1419 return IWindowManager.Stub 1420 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1421 } 1422 1423 IActivityManager getIActivityManager() { 1424 return ActivityManagerNative.getDefault(); 1425 } 1426 1427 IPackageManager getIPackageManager() { 1428 return AppGlobals.getPackageManager(); 1429 } 1430 1431 IBackupManager getIBackupManager() { 1432 return IBackupManager.Stub.asInterface( 1433 ServiceManager.getService(Context.BACKUP_SERVICE)); 1434 } 1435 1436 IAudioService getIAudioService() { 1437 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1438 } 1439 1440 LockPatternUtils newLockPatternUtils() { 1441 return new LockPatternUtils(mContext); 1442 } 1443 1444 boolean storageManagerIsFileBasedEncryptionEnabled() { 1445 return StorageManager.isFileEncryptedNativeOnly(); 1446 } 1447 1448 boolean storageManagerIsNonDefaultBlockEncrypted() { 1449 long identity = Binder.clearCallingIdentity(); 1450 try { 1451 return StorageManager.isNonDefaultBlockEncrypted(); 1452 } finally { 1453 Binder.restoreCallingIdentity(identity); 1454 } 1455 } 1456 1457 boolean storageManagerIsEncrypted() { 1458 return StorageManager.isEncrypted(); 1459 } 1460 1461 boolean storageManagerIsEncryptable() { 1462 return StorageManager.isEncryptable(); 1463 } 1464 1465 Looper getMyLooper() { 1466 return Looper.myLooper(); 1467 } 1468 1469 WifiManager getWifiManager() { 1470 return mContext.getSystemService(WifiManager.class); 1471 } 1472 1473 long binderClearCallingIdentity() { 1474 return Binder.clearCallingIdentity(); 1475 } 1476 1477 void binderRestoreCallingIdentity(long token) { 1478 Binder.restoreCallingIdentity(token); 1479 } 1480 1481 int binderGetCallingUid() { 1482 return Binder.getCallingUid(); 1483 } 1484 1485 int binderGetCallingPid() { 1486 return Binder.getCallingPid(); 1487 } 1488 1489 UserHandle binderGetCallingUserHandle() { 1490 return Binder.getCallingUserHandle(); 1491 } 1492 1493 boolean binderIsCallingUidMyUid() { 1494 return getCallingUid() == Process.myUid(); 1495 } 1496 1497 final int userHandleGetCallingUserId() { 1498 return UserHandle.getUserId(binderGetCallingUid()); 1499 } 1500 1501 File environmentGetUserSystemDirectory(int userId) { 1502 return Environment.getUserSystemDirectory(userId); 1503 } 1504 1505 void powerManagerGoToSleep(long time, int reason, int flags) { 1506 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1507 } 1508 1509 void powerManagerReboot(String reason) { 1510 mContext.getSystemService(PowerManager.class).reboot(reason); 1511 } 1512 1513 boolean systemPropertiesGetBoolean(String key, boolean def) { 1514 return SystemProperties.getBoolean(key, def); 1515 } 1516 1517 long systemPropertiesGetLong(String key, long def) { 1518 return SystemProperties.getLong(key, def); 1519 } 1520 1521 String systemPropertiesGet(String key, String def) { 1522 return SystemProperties.get(key, def); 1523 } 1524 1525 String systemPropertiesGet(String key) { 1526 return SystemProperties.get(key); 1527 } 1528 1529 void systemPropertiesSet(String key, String value) { 1530 SystemProperties.set(key, value); 1531 } 1532 1533 boolean userManagerIsSplitSystemUser() { 1534 return UserManager.isSplitSystemUser(); 1535 } 1536 1537 String getDevicePolicyFilePathForSystemUser() { 1538 return "/data/system/"; 1539 } 1540 1541 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1542 ContentObserver observer, int userHandle) { 1543 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1544 observer, userHandle); 1545 } 1546 1547 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1548 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1549 name, def, userHandle); 1550 } 1551 1552 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1553 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1554 name, value, userHandle); 1555 } 1556 1557 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1558 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1559 name, value, userHandle); 1560 } 1561 1562 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1563 Settings.Global.putStringForUser(mContext.getContentResolver(), 1564 name, value, userHandle); 1565 } 1566 1567 void settingsSecurePutInt(String name, int value) { 1568 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1569 } 1570 1571 int settingsGlobalGetInt(String name, int def) { 1572 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1573 } 1574 1575 void settingsGlobalPutInt(String name, int value) { 1576 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1577 } 1578 1579 void settingsSecurePutString(String name, String value) { 1580 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1581 } 1582 1583 void settingsGlobalPutString(String name, String value) { 1584 Settings.Global.putString(mContext.getContentResolver(), name, value); 1585 } 1586 1587 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1588 SecurityLog.setLoggingEnabledProperty(enabled); 1589 } 1590 1591 boolean securityLogGetLoggingEnabledProperty() { 1592 return SecurityLog.getLoggingEnabledProperty(); 1593 } 1594 1595 boolean securityLogIsLoggingEnabled() { 1596 return SecurityLog.isLoggingEnabled(); 1597 } 1598 } 1599 1600 /** 1601 * Instantiates the service. 1602 */ 1603 public DevicePolicyManagerService(Context context) { 1604 this(new Injector(context)); 1605 } 1606 1607 @VisibleForTesting 1608 DevicePolicyManagerService(Injector injector) { 1609 mInjector = injector; 1610 mContext = Preconditions.checkNotNull(injector.mContext); 1611 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1612 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1613 1614 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1615 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1616 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1617 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1618 1619 mLocalService = new LocalService(); 1620 mLockPatternUtils = injector.newLockPatternUtils(); 1621 1622 mSecurityLogMonitor = new SecurityLogMonitor(this); 1623 1624 mHasFeature = mContext.getPackageManager() 1625 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1626 mIsWatch = mContext.getPackageManager() 1627 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1628 if (!mHasFeature) { 1629 // Skip the rest of the initialization 1630 return; 1631 } 1632 IntentFilter filter = new IntentFilter(); 1633 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1634 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1635 filter.addAction(Intent.ACTION_USER_ADDED); 1636 filter.addAction(Intent.ACTION_USER_REMOVED); 1637 filter.addAction(Intent.ACTION_USER_STARTED); 1638 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1639 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1640 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1641 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1642 filter = new IntentFilter(); 1643 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1644 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1645 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1646 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1647 filter.addDataScheme("package"); 1648 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1649 filter = new IntentFilter(); 1650 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1651 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1652 1653 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1654 } 1655 1656 /** 1657 * Creates and loads the policy data from xml. 1658 * @param userHandle the user for whom to load the policy data 1659 * @return 1660 */ 1661 @NonNull 1662 DevicePolicyData getUserData(int userHandle) { 1663 synchronized (this) { 1664 DevicePolicyData policy = mUserData.get(userHandle); 1665 if (policy == null) { 1666 policy = new DevicePolicyData(userHandle); 1667 mUserData.append(userHandle, policy); 1668 loadSettingsLocked(policy, userHandle); 1669 } 1670 return policy; 1671 } 1672 } 1673 1674 /** 1675 * Creates and loads the policy data from xml for data that is shared between 1676 * various profiles of a user. In contrast to {@link #getUserData(int)} 1677 * it allows access to data of users other than the calling user. 1678 * 1679 * This function should only be used for shared data, e.g. everything regarding 1680 * passwords and should be removed once multiple screen locks are present. 1681 * @param userHandle the user for whom to load the policy data 1682 * @return 1683 */ 1684 DevicePolicyData getUserDataUnchecked(int userHandle) { 1685 long ident = mInjector.binderClearCallingIdentity(); 1686 try { 1687 return getUserData(userHandle); 1688 } finally { 1689 mInjector.binderRestoreCallingIdentity(ident); 1690 } 1691 } 1692 1693 void removeUserData(int userHandle) { 1694 synchronized (this) { 1695 if (userHandle == UserHandle.USER_SYSTEM) { 1696 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1697 return; 1698 } 1699 mOwners.removeProfileOwner(userHandle); 1700 mOwners.writeProfileOwner(userHandle); 1701 1702 DevicePolicyData policy = mUserData.get(userHandle); 1703 if (policy != null) { 1704 mUserData.remove(userHandle); 1705 } 1706 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1707 DEVICE_POLICIES_XML); 1708 policyFile.delete(); 1709 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1710 } 1711 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1712 } 1713 1714 void loadOwners() { 1715 synchronized (this) { 1716 mOwners.load(); 1717 setDeviceOwnerSystemPropertyLocked(); 1718 findOwnerComponentIfNecessaryLocked(); 1719 migrateUserRestrictionsIfNecessaryLocked(); 1720 1721 // TODO PO may not have a class name either due to b/17652534. Address that too. 1722 1723 updateDeviceOwnerLocked(); 1724 } 1725 } 1726 1727 private void setDeviceOwnerSystemPropertyLocked() { 1728 // Device owner may still be provisioned, do not set the read-only system property yet. 1729 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1730 return; 1731 } 1732 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1733 // always false at this point. 1734 if (StorageManager.inCryptKeeperBounce()) { 1735 return; 1736 } 1737 1738 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1739 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1740 } else { 1741 if (mOwners.hasDeviceOwner()) { 1742 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1743 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1744 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 1745 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1746 mSecurityLogMonitor.start(); 1747 } 1748 } else { 1749 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1750 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1751 } 1752 } 1753 } 1754 1755 private void findOwnerComponentIfNecessaryLocked() { 1756 if (!mOwners.hasDeviceOwner()) { 1757 return; 1758 } 1759 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1760 1761 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1762 return; // Already a full component name. 1763 } 1764 1765 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1766 doComponentName.getPackageName(), 1767 mOwners.getDeviceOwnerUserId()); 1768 if (doComponent == null) { 1769 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1770 } else { 1771 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1772 doComponent, 1773 mOwners.getDeviceOwnerName(), 1774 mOwners.getDeviceOwnerUserId(), 1775 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1776 mOwners.writeDeviceOwner(); 1777 if (VERBOSE_LOG) { 1778 Log.v(LOG_TAG, "Device owner component filled in"); 1779 } 1780 } 1781 } 1782 1783 /** 1784 * We didn't use to persist user restrictions for each owners but only persisted in user 1785 * manager. 1786 */ 1787 private void migrateUserRestrictionsIfNecessaryLocked() { 1788 boolean migrated = false; 1789 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1790 // except for the "system controlled" ones. 1791 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1792 if (VERBOSE_LOG) { 1793 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1794 } 1795 migrated = true; 1796 1797 // Migrate user 0 restrictions to DO. 1798 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1799 1800 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1801 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1802 1803 // Push DO user restrictions to user manager. 1804 pushUserRestrictions(UserHandle.USER_SYSTEM); 1805 1806 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1807 } 1808 1809 // Migrate for POs. 1810 1811 // The following restrictions can be set on secondary users by the device owner, so we 1812 // assume they're not from the PO. 1813 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1814 UserManager.DISALLOW_OUTGOING_CALLS, 1815 UserManager.DISALLOW_SMS); 1816 1817 for (UserInfo ui : mUserManager.getUsers()) { 1818 final int userId = ui.id; 1819 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1820 if (VERBOSE_LOG) { 1821 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1822 } 1823 migrated = true; 1824 1825 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1826 1827 final Set<String> exceptionList = 1828 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1829 1830 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1831 exceptionList, /* isDeviceOwner =*/ false); 1832 1833 // Note if a secondary user has no PO but has a DA that disables camera, we 1834 // don't get here and won't push the camera user restriction to UserManager 1835 // here. That's okay because we'll push user restrictions anyway when a user 1836 // starts. But we still do it because we want to let user manager persist 1837 // upon migration. 1838 pushUserRestrictions(userId); 1839 1840 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1841 } 1842 } 1843 if (VERBOSE_LOG && migrated) { 1844 Log.v(LOG_TAG, "User restrictions migrated."); 1845 } 1846 } 1847 1848 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1849 Set<String> exceptionList, boolean isDeviceOwner) { 1850 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1851 user.getIdentifier()); 1852 1853 final Bundle newBaseRestrictions = new Bundle(); 1854 final Bundle newOwnerRestrictions = new Bundle(); 1855 1856 for (String key : origRestrictions.keySet()) { 1857 if (!origRestrictions.getBoolean(key)) { 1858 continue; 1859 } 1860 final boolean canOwnerChange = isDeviceOwner 1861 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1862 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1863 1864 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1865 newBaseRestrictions.putBoolean(key, true); 1866 } else { 1867 newOwnerRestrictions.putBoolean(key, true); 1868 } 1869 } 1870 1871 if (VERBOSE_LOG) { 1872 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1873 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1874 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1875 } 1876 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1877 newBaseRestrictions); 1878 1879 if (admin != null) { 1880 admin.ensureUserRestrictions().clear(); 1881 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1882 } else { 1883 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1884 } 1885 saveSettingsLocked(user.getIdentifier()); 1886 } 1887 1888 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1889 final DevicePolicyData policy = getUserData(userId); 1890 final int n = policy.mAdminList.size(); 1891 ComponentName found = null; 1892 int nFound = 0; 1893 for (int i = 0; i < n; i++) { 1894 final ActiveAdmin admin = policy.mAdminList.get(i); 1895 if (packageName.equals(admin.info.getPackageName())) { 1896 // Found! 1897 if (nFound == 0) { 1898 found = admin.info.getComponent(); 1899 } 1900 nFound++; 1901 } 1902 } 1903 if (nFound > 1) { 1904 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1905 } 1906 return found; 1907 } 1908 1909 /** 1910 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1911 * reminders. Clears alarm if no expirations are configured. 1912 */ 1913 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 1914 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 1915 final long now = System.currentTimeMillis(); 1916 final long timeToExpire = expiration - now; 1917 final long alarmTime; 1918 if (expiration == 0) { 1919 // No expirations are currently configured: Cancel alarm. 1920 alarmTime = 0; 1921 } else if (timeToExpire <= 0) { 1922 // The password has already expired: Repeat every 24 hours. 1923 alarmTime = now + MS_PER_DAY; 1924 } else { 1925 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1926 // the expiration time. 1927 long alarmInterval = timeToExpire % MS_PER_DAY; 1928 if (alarmInterval == 0) { 1929 alarmInterval = MS_PER_DAY; 1930 } 1931 alarmTime = now + alarmInterval; 1932 } 1933 1934 long token = mInjector.binderClearCallingIdentity(); 1935 try { 1936 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 1937 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1938 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1939 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1940 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1941 UserHandle.of(affectedUserHandle)); 1942 am.cancel(pi); 1943 if (alarmTime != 0) { 1944 am.set(AlarmManager.RTC, alarmTime, pi); 1945 } 1946 } finally { 1947 mInjector.binderRestoreCallingIdentity(token); 1948 } 1949 } 1950 1951 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1952 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1953 if (admin != null 1954 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1955 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1956 return admin; 1957 } 1958 return null; 1959 } 1960 1961 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 1962 if (parent) { 1963 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 1964 } 1965 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1966 if (admin != null && parent) { 1967 admin = admin.getParentActiveAdmin(); 1968 } 1969 return admin; 1970 } 1971 1972 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1973 throws SecurityException { 1974 final int callingUid = mInjector.binderGetCallingUid(); 1975 1976 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1977 if (result != null) { 1978 return result; 1979 } 1980 1981 if (who != null) { 1982 final int userId = UserHandle.getUserId(callingUid); 1983 final DevicePolicyData policy = getUserData(userId); 1984 ActiveAdmin admin = policy.mAdminMap.get(who); 1985 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1986 throw new SecurityException("Admin " + admin.info.getComponent() 1987 + " does not own the device"); 1988 } 1989 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1990 throw new SecurityException("Admin " + admin.info.getComponent() 1991 + " does not own the profile"); 1992 } 1993 throw new SecurityException("Admin " + admin.info.getComponent() 1994 + " did not specify uses-policy for: " 1995 + admin.info.getTagForPolicy(reqPolicy)); 1996 } else { 1997 throw new SecurityException("No active admin owned by uid " 1998 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 1999 } 2000 } 2001 2002 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2003 throws SecurityException { 2004 if (parent) { 2005 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2006 "call APIs on the parent profile"); 2007 } 2008 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2009 return parent ? admin.getParentActiveAdmin() : admin; 2010 } 2011 /** 2012 * Find the admin for the component and userId bit of the uid, then check 2013 * the admin's uid matches the uid. 2014 */ 2015 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2016 final int userId = UserHandle.getUserId(uid); 2017 final DevicePolicyData policy = getUserData(userId); 2018 ActiveAdmin admin = policy.mAdminMap.get(who); 2019 if (admin == null) { 2020 throw new SecurityException("No active admin " + who); 2021 } 2022 if (admin.getUid() != uid) { 2023 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2024 } 2025 return admin; 2026 } 2027 2028 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2029 int uid) { 2030 // Try to find an admin which can use reqPolicy 2031 final int userId = UserHandle.getUserId(uid); 2032 final DevicePolicyData policy = getUserData(userId); 2033 if (who != null) { 2034 ActiveAdmin admin = policy.mAdminMap.get(who); 2035 if (admin == null) { 2036 throw new SecurityException("No active admin " + who); 2037 } 2038 if (admin.getUid() != uid) { 2039 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2040 } 2041 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2042 return admin; 2043 } 2044 } else { 2045 for (ActiveAdmin admin : policy.mAdminList) { 2046 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2047 userId)) { 2048 return admin; 2049 } 2050 } 2051 } 2052 2053 return null; 2054 } 2055 2056 @VisibleForTesting 2057 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2058 int userId) { 2059 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2060 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2061 2062 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2063 return ownsDevice; 2064 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2065 // DO always has the PO power. 2066 return ownsDevice || ownsProfile; 2067 } else { 2068 return admin.info.usesPolicy(reqPolicy); 2069 } 2070 } 2071 2072 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2073 sendAdminCommandLocked(admin, action, null); 2074 } 2075 2076 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2077 sendAdminCommandLocked(admin, action, null, result); 2078 } 2079 2080 /** 2081 * Send an update to one specific admin, get notified when that admin returns a result. 2082 */ 2083 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2084 BroadcastReceiver result) { 2085 Intent intent = new Intent(action); 2086 intent.setComponent(admin.info.getComponent()); 2087 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2088 intent.putExtra("expiration", admin.passwordExpirationDate); 2089 } 2090 if (adminExtras != null) { 2091 intent.putExtras(adminExtras); 2092 } 2093 if (result != null) { 2094 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2095 null, result, mHandler, Activity.RESULT_OK, null, null); 2096 } else { 2097 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2098 } 2099 } 2100 2101 /** 2102 * Send an update to all admins of a user that enforce a specified policy. 2103 */ 2104 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 2105 final DevicePolicyData policy = getUserData(userHandle); 2106 final int count = policy.mAdminList.size(); 2107 if (count > 0) { 2108 for (int i = 0; i < count; i++) { 2109 final ActiveAdmin admin = policy.mAdminList.get(i); 2110 if (admin.info.usesPolicy(reqPolicy)) { 2111 sendAdminCommandLocked(admin, action); 2112 } 2113 } 2114 } 2115 } 2116 2117 /** 2118 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2119 * enforce a specified policy. 2120 */ 2121 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2122 int userHandle) { 2123 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2124 for (int profileId : profileIds) { 2125 sendAdminCommandLocked(action, reqPolicy, profileId); 2126 } 2127 } 2128 2129 /** 2130 * Sends a broadcast to each profile that share the password unlock with the given user id. 2131 */ 2132 private void sendAdminCommandForLockscreenPoliciesLocked( 2133 String action, int reqPolicy, int userHandle) { 2134 if (isSeparateProfileChallengeEnabled(userHandle)) { 2135 sendAdminCommandLocked(action, reqPolicy, userHandle); 2136 } else { 2137 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 2138 } 2139 } 2140 2141 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2142 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2143 DevicePolicyData policy = getUserData(userHandle); 2144 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2145 policy.mRemovingAdmins.add(adminReceiver); 2146 sendAdminCommandLocked(admin, 2147 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2148 new BroadcastReceiver() { 2149 @Override 2150 public void onReceive(Context context, Intent intent) { 2151 removeAdminArtifacts(adminReceiver, userHandle); 2152 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2153 } 2154 }); 2155 } 2156 } 2157 2158 2159 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2160 boolean throwForMissiongPermission) { 2161 if (!mHasFeature) { 2162 return null; 2163 } 2164 enforceFullCrossUsersPermission(userHandle); 2165 ActivityInfo ai = null; 2166 try { 2167 ai = mIPackageManager.getReceiverInfo(adminName, 2168 PackageManager.GET_META_DATA | 2169 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2170 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2171 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2172 } catch (RemoteException e) { 2173 // shouldn't happen. 2174 } 2175 if (ai == null) { 2176 throw new IllegalArgumentException("Unknown admin: " + adminName); 2177 } 2178 2179 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2180 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2181 + permission.BIND_DEVICE_ADMIN; 2182 Slog.w(LOG_TAG, message); 2183 if (throwForMissiongPermission && 2184 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2185 throw new IllegalArgumentException(message); 2186 } 2187 } 2188 2189 try { 2190 return new DeviceAdminInfo(mContext, ai); 2191 } catch (XmlPullParserException | IOException e) { 2192 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2193 e); 2194 return null; 2195 } 2196 } 2197 2198 private JournaledFile makeJournaledFile(int userHandle) { 2199 final String base = userHandle == UserHandle.USER_SYSTEM 2200 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2201 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2202 DEVICE_POLICIES_XML).getAbsolutePath(); 2203 if (VERBOSE_LOG) { 2204 Log.v(LOG_TAG, "Opening " + base); 2205 } 2206 return new JournaledFile(new File(base), new File(base + ".tmp")); 2207 } 2208 2209 private void saveSettingsLocked(int userHandle) { 2210 DevicePolicyData policy = getUserData(userHandle); 2211 JournaledFile journal = makeJournaledFile(userHandle); 2212 FileOutputStream stream = null; 2213 try { 2214 stream = new FileOutputStream(journal.chooseForWrite(), false); 2215 XmlSerializer out = new FastXmlSerializer(); 2216 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2217 out.startDocument(null, true); 2218 2219 out.startTag(null, "policies"); 2220 if (policy.mRestrictionsProvider != null) { 2221 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2222 policy.mRestrictionsProvider.flattenToString()); 2223 } 2224 if (policy.mUserSetupComplete) { 2225 out.attribute(null, ATTR_SETUP_COMPLETE, 2226 Boolean.toString(true)); 2227 } 2228 if (policy.mPaired) { 2229 out.attribute(null, ATTR_DEVICE_PAIRED, 2230 Boolean.toString(true)); 2231 } 2232 if (policy.mDeviceProvisioningConfigApplied) { 2233 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2234 Boolean.toString(true)); 2235 } 2236 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2237 out.attribute(null, ATTR_PROVISIONING_STATE, 2238 Integer.toString(policy.mUserProvisioningState)); 2239 } 2240 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2241 out.attribute(null, ATTR_PERMISSION_POLICY, 2242 Integer.toString(policy.mPermissionPolicy)); 2243 } 2244 if (policy.mDelegatedCertInstallerPackage != null) { 2245 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2246 policy.mDelegatedCertInstallerPackage); 2247 } 2248 if (policy.mApplicationRestrictionsManagingPackage != null) { 2249 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2250 policy.mApplicationRestrictionsManagingPackage); 2251 } 2252 2253 final int N = policy.mAdminList.size(); 2254 for (int i=0; i<N; i++) { 2255 ActiveAdmin ap = policy.mAdminList.get(i); 2256 if (ap != null) { 2257 out.startTag(null, "admin"); 2258 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2259 ap.writeToXml(out); 2260 out.endTag(null, "admin"); 2261 } 2262 } 2263 2264 if (policy.mPasswordOwner >= 0) { 2265 out.startTag(null, "password-owner"); 2266 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2267 out.endTag(null, "password-owner"); 2268 } 2269 2270 if (policy.mFailedPasswordAttempts != 0) { 2271 out.startTag(null, "failed-password-attempts"); 2272 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2273 out.endTag(null, "failed-password-attempts"); 2274 } 2275 2276 // Don't save metrics for FBE devices 2277 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() 2278 && (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 2279 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 2280 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 2281 || policy.mActivePasswordSymbols != 0 2282 || policy.mActivePasswordNonLetter != 0)) { 2283 out.startTag(null, "active-password"); 2284 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 2285 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 2286 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 2287 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 2288 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 2289 out.attribute(null, "numeric", Integer 2290 .toString(policy.mActivePasswordNumeric)); 2291 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 2292 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 2293 out.endTag(null, "active-password"); 2294 } 2295 2296 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2297 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2298 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2299 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2300 } 2301 2302 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2303 String component = policy.mLockTaskPackages.get(i); 2304 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2305 out.attribute(null, "name", component); 2306 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2307 } 2308 2309 if (policy.mStatusBarDisabled) { 2310 out.startTag(null, TAG_STATUS_BAR); 2311 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2312 out.endTag(null, TAG_STATUS_BAR); 2313 } 2314 2315 if (policy.doNotAskCredentialsOnBoot) { 2316 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2317 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2318 } 2319 2320 for (String id : policy.mAffiliationIds) { 2321 out.startTag(null, TAG_AFFILIATION_ID); 2322 out.attribute(null, "id", id); 2323 out.endTag(null, TAG_AFFILIATION_ID); 2324 } 2325 2326 if (policy.mAdminBroadcastPending) { 2327 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2328 out.attribute(null, ATTR_VALUE, 2329 Boolean.toString(policy.mAdminBroadcastPending)); 2330 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2331 } 2332 2333 if (policy.mInitBundle != null) { 2334 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2335 policy.mInitBundle.saveToXml(out); 2336 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2337 } 2338 2339 out.endTag(null, "policies"); 2340 2341 out.endDocument(); 2342 stream.flush(); 2343 FileUtils.sync(stream); 2344 stream.close(); 2345 journal.commit(); 2346 sendChangedNotification(userHandle); 2347 } catch (XmlPullParserException | IOException e) { 2348 Slog.w(LOG_TAG, "failed writing file", e); 2349 try { 2350 if (stream != null) { 2351 stream.close(); 2352 } 2353 } catch (IOException ex) { 2354 // Ignore 2355 } 2356 journal.rollback(); 2357 } 2358 } 2359 2360 private void sendChangedNotification(int userHandle) { 2361 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2362 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2363 long ident = mInjector.binderClearCallingIdentity(); 2364 try { 2365 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2366 } finally { 2367 mInjector.binderRestoreCallingIdentity(ident); 2368 } 2369 } 2370 2371 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2372 JournaledFile journal = makeJournaledFile(userHandle); 2373 FileInputStream stream = null; 2374 File file = journal.chooseForRead(); 2375 boolean needsRewrite = false; 2376 try { 2377 stream = new FileInputStream(file); 2378 XmlPullParser parser = Xml.newPullParser(); 2379 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2380 2381 int type; 2382 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2383 && type != XmlPullParser.START_TAG) { 2384 } 2385 String tag = parser.getName(); 2386 if (!"policies".equals(tag)) { 2387 throw new XmlPullParserException( 2388 "Settings do not start with policies tag: found " + tag); 2389 } 2390 2391 // Extract the permission provider component name if available 2392 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2393 if (permissionProvider != null) { 2394 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2395 } 2396 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2397 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2398 policy.mUserSetupComplete = true; 2399 } 2400 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2401 if (paired != null && Boolean.toString(true).equals(paired)) { 2402 policy.mPaired = true; 2403 } 2404 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2405 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2406 if (deviceProvisioningConfigApplied != null 2407 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2408 policy.mDeviceProvisioningConfigApplied = true; 2409 } 2410 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2411 if (!TextUtils.isEmpty(provisioningState)) { 2412 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2413 } 2414 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2415 if (!TextUtils.isEmpty(permissionPolicy)) { 2416 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2417 } 2418 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2419 ATTR_DELEGATED_CERT_INSTALLER); 2420 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2421 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2422 2423 type = parser.next(); 2424 int outerDepth = parser.getDepth(); 2425 policy.mLockTaskPackages.clear(); 2426 policy.mAdminList.clear(); 2427 policy.mAdminMap.clear(); 2428 policy.mAffiliationIds.clear(); 2429 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2430 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2431 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2432 continue; 2433 } 2434 tag = parser.getName(); 2435 if ("admin".equals(tag)) { 2436 String name = parser.getAttributeValue(null, "name"); 2437 try { 2438 DeviceAdminInfo dai = findAdmin( 2439 ComponentName.unflattenFromString(name), userHandle, 2440 /* throwForMissionPermission= */ false); 2441 if (VERBOSE_LOG 2442 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2443 != userHandle)) { 2444 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2445 + dai.getActivityInfo().applicationInfo.uid + " for user " 2446 + userHandle); 2447 } 2448 if (dai != null) { 2449 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2450 ap.readFromXml(parser); 2451 policy.mAdminMap.put(ap.info.getComponent(), ap); 2452 } 2453 } catch (RuntimeException e) { 2454 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2455 } 2456 } else if ("failed-password-attempts".equals(tag)) { 2457 policy.mFailedPasswordAttempts = Integer.parseInt( 2458 parser.getAttributeValue(null, "value")); 2459 } else if ("password-owner".equals(tag)) { 2460 policy.mPasswordOwner = Integer.parseInt( 2461 parser.getAttributeValue(null, "value")); 2462 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2463 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2464 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2465 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2466 } else if (TAG_STATUS_BAR.equals(tag)) { 2467 policy.mStatusBarDisabled = Boolean.parseBoolean( 2468 parser.getAttributeValue(null, ATTR_DISABLED)); 2469 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2470 policy.doNotAskCredentialsOnBoot = true; 2471 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2472 policy.mAffiliationIds.add(parser.getAttributeValue(null, "id")); 2473 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2474 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2475 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2476 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2477 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2478 } else if ("active-password".equals(tag)) { 2479 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2480 // Remove this from FBE devices 2481 needsRewrite = true; 2482 } else { 2483 policy.mActivePasswordQuality = Integer.parseInt( 2484 parser.getAttributeValue(null, "quality")); 2485 policy.mActivePasswordLength = Integer.parseInt( 2486 parser.getAttributeValue(null, "length")); 2487 policy.mActivePasswordUpperCase = Integer.parseInt( 2488 parser.getAttributeValue(null, "uppercase")); 2489 policy.mActivePasswordLowerCase = Integer.parseInt( 2490 parser.getAttributeValue(null, "lowercase")); 2491 policy.mActivePasswordLetters = Integer.parseInt( 2492 parser.getAttributeValue(null, "letters")); 2493 policy.mActivePasswordNumeric = Integer.parseInt( 2494 parser.getAttributeValue(null, "numeric")); 2495 policy.mActivePasswordSymbols = Integer.parseInt( 2496 parser.getAttributeValue(null, "symbols")); 2497 policy.mActivePasswordNonLetter = Integer.parseInt( 2498 parser.getAttributeValue(null, "nonletter")); 2499 } 2500 } else { 2501 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2502 XmlUtils.skipCurrentTag(parser); 2503 } 2504 } 2505 } catch (FileNotFoundException e) { 2506 // Don't be noisy, this is normal if we haven't defined any policies. 2507 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2508 | IndexOutOfBoundsException e) { 2509 Slog.w(LOG_TAG, "failed parsing " + file, e); 2510 } 2511 try { 2512 if (stream != null) { 2513 stream.close(); 2514 } 2515 } catch (IOException e) { 2516 // Ignore 2517 } 2518 2519 // Generate a list of admins from the admin map 2520 policy.mAdminList.addAll(policy.mAdminMap.values()); 2521 2522 // Might need to upgrade the file by rewriting it 2523 if (needsRewrite) { 2524 saveSettingsLocked(userHandle); 2525 } 2526 2527 validatePasswordOwnerLocked(policy); 2528 updateMaximumTimeToLockLocked(userHandle); 2529 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2530 if (policy.mStatusBarDisabled) { 2531 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2532 } 2533 } 2534 2535 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2536 long ident = mInjector.binderClearCallingIdentity(); 2537 try { 2538 mInjector.getIActivityManager() 2539 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2540 } catch (RemoteException e) { 2541 // Not gonna happen. 2542 } finally { 2543 mInjector.binderRestoreCallingIdentity(ident); 2544 } 2545 } 2546 2547 private void updateDeviceOwnerLocked() { 2548 long ident = mInjector.binderClearCallingIdentity(); 2549 try { 2550 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2551 // user id and also protect all other DAs too. 2552 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2553 if (deviceOwnerComponent != null) { 2554 mInjector.getIActivityManager() 2555 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2556 } 2557 } catch (RemoteException e) { 2558 // Not gonna happen. 2559 } finally { 2560 mInjector.binderRestoreCallingIdentity(ident); 2561 } 2562 } 2563 2564 static void validateQualityConstant(int quality) { 2565 switch (quality) { 2566 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2567 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2568 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2569 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2570 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2571 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2572 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2573 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2574 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2575 return; 2576 } 2577 throw new IllegalArgumentException("Invalid quality constant: 0x" 2578 + Integer.toHexString(quality)); 2579 } 2580 2581 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2582 if (policy.mPasswordOwner >= 0) { 2583 boolean haveOwner = false; 2584 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2585 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2586 haveOwner = true; 2587 break; 2588 } 2589 } 2590 if (!haveOwner) { 2591 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2592 + " no longer active; disabling"); 2593 policy.mPasswordOwner = -1; 2594 } 2595 } 2596 } 2597 2598 @VisibleForTesting 2599 void systemReady(int phase) { 2600 if (!mHasFeature) { 2601 return; 2602 } 2603 switch (phase) { 2604 case SystemService.PHASE_LOCK_SETTINGS_READY: 2605 onLockSettingsReady(); 2606 break; 2607 case SystemService.PHASE_BOOT_COMPLETED: 2608 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2609 break; 2610 } 2611 } 2612 2613 private void onLockSettingsReady() { 2614 getUserData(UserHandle.USER_SYSTEM); 2615 loadOwners(); 2616 cleanUpOldUsers(); 2617 2618 onStartUser(UserHandle.USER_SYSTEM); 2619 2620 // Register an observer for watching for user setup complete. 2621 new SetupContentObserver(mHandler).register(); 2622 // Initialize the user setup state, to handle the upgrade case. 2623 updateUserSetupCompleteAndPaired(); 2624 2625 List<String> packageList; 2626 synchronized (this) { 2627 packageList = getKeepUninstalledPackagesLocked(); 2628 } 2629 if (packageList != null) { 2630 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2631 } 2632 2633 synchronized (this) { 2634 // push the force-ephemeral-users policy to the user manager. 2635 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2636 if (deviceOwner != null) { 2637 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2638 } 2639 } 2640 } 2641 2642 private void ensureDeviceOwnerUserStarted() { 2643 final int userId; 2644 synchronized (this) { 2645 if (!mOwners.hasDeviceOwner()) { 2646 return; 2647 } 2648 userId = mOwners.getDeviceOwnerUserId(); 2649 } 2650 if (VERBOSE_LOG) { 2651 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2652 } 2653 if (userId != UserHandle.USER_SYSTEM) { 2654 try { 2655 mInjector.getIActivityManager().startUserInBackground(userId); 2656 2657 // STOPSHIP Prevent the DO user from being killed. 2658 2659 } catch (RemoteException e) { 2660 Slog.w(LOG_TAG, "Exception starting user", e); 2661 } 2662 } 2663 } 2664 2665 private void onStartUser(int userId) { 2666 updateScreenCaptureDisabledInWindowManager(userId, 2667 getScreenCaptureDisabled(null, userId)); 2668 pushUserRestrictions(userId); 2669 } 2670 2671 private void cleanUpOldUsers() { 2672 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2673 // before reboot 2674 Set<Integer> usersWithProfileOwners; 2675 Set<Integer> usersWithData; 2676 synchronized(this) { 2677 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2678 usersWithData = new ArraySet<>(); 2679 for (int i = 0; i < mUserData.size(); i++) { 2680 usersWithData.add(mUserData.keyAt(i)); 2681 } 2682 } 2683 List<UserInfo> allUsers = mUserManager.getUsers(); 2684 2685 Set<Integer> deletedUsers = new ArraySet<>(); 2686 deletedUsers.addAll(usersWithProfileOwners); 2687 deletedUsers.addAll(usersWithData); 2688 for (UserInfo userInfo : allUsers) { 2689 deletedUsers.remove(userInfo.id); 2690 } 2691 for (Integer userId : deletedUsers) { 2692 removeUserData(userId); 2693 } 2694 } 2695 2696 private void handlePasswordExpirationNotification(int userHandle) { 2697 synchronized (this) { 2698 final long now = System.currentTimeMillis(); 2699 2700 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2701 userHandle, /* parent */ false); 2702 final int N = admins.size(); 2703 for (int i = 0; i < N; i++) { 2704 ActiveAdmin admin = admins.get(i); 2705 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2706 && admin.passwordExpirationTimeout > 0L 2707 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2708 && admin.passwordExpirationDate > 0L) { 2709 sendAdminCommandLocked(admin, 2710 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2711 } 2712 } 2713 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2714 } 2715 } 2716 2717 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2718 @Override 2719 protected Void doInBackground(Integer... params) { 2720 int userHandle = params[0]; 2721 2722 if (userHandle == UserHandle.USER_ALL) { 2723 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2724 manageNotification(userInfo.getUserHandle()); 2725 } 2726 } else { 2727 manageNotification(UserHandle.of(userHandle)); 2728 } 2729 return null; 2730 } 2731 2732 private void manageNotification(UserHandle userHandle) { 2733 if (!mUserManager.isUserUnlocked(userHandle)) { 2734 return; 2735 } 2736 2737 // Call out to KeyChain to check for CAs which are waiting for approval. 2738 final List<String> pendingCertificates; 2739 try { 2740 pendingCertificates = getInstalledCaCertificates(userHandle); 2741 } catch (RemoteException | RuntimeException e) { 2742 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2743 return; 2744 } 2745 2746 synchronized (DevicePolicyManagerService.this) { 2747 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2748 2749 // Remove deleted certificates. Flush xml if necessary. 2750 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2751 saveSettingsLocked(userHandle.getIdentifier()); 2752 } 2753 // Trim to approved certificates. 2754 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2755 } 2756 2757 if (pendingCertificates.isEmpty()) { 2758 mInjector.getNotificationManager().cancelAsUser( 2759 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2760 return; 2761 } 2762 2763 // Build and show a warning notification 2764 int smallIconId; 2765 String contentText; 2766 int parentUserId = userHandle.getIdentifier(); 2767 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2768 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2769 getProfileOwnerName(userHandle.getIdentifier())); 2770 smallIconId = R.drawable.stat_sys_certificate_info; 2771 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2772 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2773 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2774 getDeviceOwnerName()); 2775 smallIconId = R.drawable.stat_sys_certificate_info; 2776 } else { 2777 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2778 smallIconId = android.R.drawable.stat_sys_warning; 2779 } 2780 2781 final int numberOfCertificates = pendingCertificates.size(); 2782 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2783 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2784 dialogIntent.setPackage("com.android.settings"); 2785 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 2786 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 2787 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2788 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 2789 new UserHandle(parentUserId)); 2790 2791 final Context userContext; 2792 try { 2793 final String packageName = mContext.getPackageName(); 2794 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 2795 } catch (PackageManager.NameNotFoundException e) { 2796 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2797 return; 2798 } 2799 final Notification noti = new Notification.Builder(userContext) 2800 .setSmallIcon(smallIconId) 2801 .setContentTitle(mContext.getResources().getQuantityText( 2802 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 2803 .setContentText(contentText) 2804 .setContentIntent(notifyIntent) 2805 .setPriority(Notification.PRIORITY_HIGH) 2806 .setShowWhen(false) 2807 .setColor(mContext.getColor( 2808 com.android.internal.R.color.system_notification_accent_color)) 2809 .build(); 2810 2811 mInjector.getNotificationManager().notifyAsUser( 2812 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2813 } 2814 2815 private List<String> getInstalledCaCertificates(UserHandle userHandle) 2816 throws RemoteException, RuntimeException { 2817 KeyChainConnection conn = null; 2818 try { 2819 conn = KeyChain.bindAsUser(mContext, userHandle); 2820 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 2821 List<String> result = new ArrayList<>(aliases.size()); 2822 for (int i = 0; i < aliases.size(); i++) { 2823 result.add(aliases.get(i).string); 2824 } 2825 return result; 2826 } catch (InterruptedException e) { 2827 Thread.currentThread().interrupt(); 2828 return null; 2829 } catch (AssertionError e) { 2830 throw new RuntimeException(e); 2831 } finally { 2832 if (conn != null) { 2833 conn.close(); 2834 } 2835 } 2836 } 2837 } 2838 2839 /** 2840 * @param adminReceiver The admin to add 2841 * @param refreshing true = update an active admin, no error 2842 */ 2843 @Override 2844 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2845 if (!mHasFeature) { 2846 return; 2847 } 2848 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2849 } 2850 2851 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2852 Bundle onEnableData) { 2853 mContext.enforceCallingOrSelfPermission( 2854 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2855 enforceFullCrossUsersPermission(userHandle); 2856 2857 DevicePolicyData policy = getUserData(userHandle); 2858 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2859 /* throwForMissionPermission= */ true); 2860 if (info == null) { 2861 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2862 } 2863 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2864 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 2865 + adminReceiver); 2866 } 2867 synchronized (this) { 2868 long ident = mInjector.binderClearCallingIdentity(); 2869 try { 2870 final ActiveAdmin existingAdmin 2871 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2872 if (!refreshing && existingAdmin != null) { 2873 throw new IllegalArgumentException("Admin is already added"); 2874 } 2875 if (policy.mRemovingAdmins.contains(adminReceiver)) { 2876 throw new IllegalArgumentException( 2877 "Trying to set an admin which is being removed"); 2878 } 2879 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2880 newAdmin.testOnlyAdmin = 2881 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 2882 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 2883 policy.mAdminMap.put(adminReceiver, newAdmin); 2884 int replaceIndex = -1; 2885 final int N = policy.mAdminList.size(); 2886 for (int i=0; i < N; i++) { 2887 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2888 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2889 replaceIndex = i; 2890 break; 2891 } 2892 } 2893 if (replaceIndex == -1) { 2894 policy.mAdminList.add(newAdmin); 2895 enableIfNecessary(info.getPackageName(), userHandle); 2896 } else { 2897 policy.mAdminList.set(replaceIndex, newAdmin); 2898 } 2899 saveSettingsLocked(userHandle); 2900 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2901 onEnableData, null); 2902 } finally { 2903 mInjector.binderRestoreCallingIdentity(ident); 2904 } 2905 } 2906 } 2907 2908 @Override 2909 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2910 if (!mHasFeature) { 2911 return false; 2912 } 2913 enforceFullCrossUsersPermission(userHandle); 2914 synchronized (this) { 2915 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2916 } 2917 } 2918 2919 @Override 2920 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2921 if (!mHasFeature) { 2922 return false; 2923 } 2924 enforceFullCrossUsersPermission(userHandle); 2925 synchronized (this) { 2926 DevicePolicyData policyData = getUserData(userHandle); 2927 return policyData.mRemovingAdmins.contains(adminReceiver); 2928 } 2929 } 2930 2931 @Override 2932 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2933 if (!mHasFeature) { 2934 return false; 2935 } 2936 enforceFullCrossUsersPermission(userHandle); 2937 synchronized (this) { 2938 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2939 if (administrator == null) { 2940 throw new SecurityException("No active admin " + adminReceiver); 2941 } 2942 return administrator.info.usesPolicy(policyId); 2943 } 2944 } 2945 2946 @Override 2947 @SuppressWarnings("unchecked") 2948 public List<ComponentName> getActiveAdmins(int userHandle) { 2949 if (!mHasFeature) { 2950 return Collections.EMPTY_LIST; 2951 } 2952 2953 enforceFullCrossUsersPermission(userHandle); 2954 synchronized (this) { 2955 DevicePolicyData policy = getUserData(userHandle); 2956 final int N = policy.mAdminList.size(); 2957 if (N <= 0) { 2958 return null; 2959 } 2960 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2961 for (int i=0; i<N; i++) { 2962 res.add(policy.mAdminList.get(i).info.getComponent()); 2963 } 2964 return res; 2965 } 2966 } 2967 2968 @Override 2969 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2970 if (!mHasFeature) { 2971 return false; 2972 } 2973 enforceFullCrossUsersPermission(userHandle); 2974 synchronized (this) { 2975 DevicePolicyData policy = getUserData(userHandle); 2976 final int N = policy.mAdminList.size(); 2977 for (int i=0; i<N; i++) { 2978 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2979 return true; 2980 } 2981 } 2982 return false; 2983 } 2984 } 2985 2986 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 2987 if (!mHasFeature) { 2988 return; 2989 } 2990 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 2991 enforceShell("forceRemoveActiveAdmin"); 2992 long ident = mInjector.binderClearCallingIdentity(); 2993 try { 2994 synchronized (this) { 2995 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 2996 throw new SecurityException("Attempt to remove non-test admin " 2997 + adminReceiver + " " + userHandle); 2998 } 2999 3000 // If admin is a device or profile owner tidy that up first. 3001 if (isDeviceOwner(adminReceiver, userHandle)) { 3002 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3003 } 3004 if (isProfileOwner(adminReceiver, userHandle)) { 3005 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3006 userHandle, /* parent */ false); 3007 clearProfileOwnerLocked(admin, userHandle); 3008 } 3009 } 3010 // Remove the admin skipping sending the broadcast. 3011 removeAdminArtifacts(adminReceiver, userHandle); 3012 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3013 } finally { 3014 mInjector.binderRestoreCallingIdentity(ident); 3015 } 3016 } 3017 3018 /** 3019 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3020 * for CTS. 3021 * 3022 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3023 * to check wehter an active admin is test-only or not. 3024 * 3025 * The system allows this flag to be changed when an app is updated, which is not good 3026 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3027 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3028 */ 3029 private boolean isPackageTestOnly(String packageName, int userHandle) { 3030 final ApplicationInfo ai; 3031 try { 3032 ai = mIPackageManager.getApplicationInfo(packageName, 3033 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3034 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3035 } catch (RemoteException e) { 3036 throw new IllegalStateException(e); 3037 } 3038 if (ai == null) { 3039 throw new IllegalStateException("Couldn't find package: " 3040 + packageName + " on user " + userHandle); 3041 } 3042 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3043 } 3044 3045 /** 3046 * See {@link #isPackageTestOnly}. 3047 */ 3048 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3049 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3050 return (admin != null) && admin.testOnlyAdmin; 3051 } 3052 3053 private void enforceShell(String method) { 3054 final int callingUid = Binder.getCallingUid(); 3055 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3056 throw new SecurityException("Non-shell user attempted to call " + method); 3057 } 3058 } 3059 3060 @Override 3061 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3062 if (!mHasFeature) { 3063 return; 3064 } 3065 enforceFullCrossUsersPermission(userHandle); 3066 enforceUserUnlocked(userHandle); 3067 synchronized (this) { 3068 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3069 if (admin == null) { 3070 return; 3071 } 3072 // Active device/profile owners must remain active admins. 3073 if (isDeviceOwner(adminReceiver, userHandle) 3074 || isProfileOwner(adminReceiver, userHandle)) { 3075 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3076 adminReceiver); 3077 return; 3078 } 3079 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3080 mContext.enforceCallingOrSelfPermission( 3081 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3082 } 3083 long ident = mInjector.binderClearCallingIdentity(); 3084 try { 3085 removeActiveAdminLocked(adminReceiver, userHandle); 3086 } finally { 3087 mInjector.binderRestoreCallingIdentity(ident); 3088 } 3089 } 3090 } 3091 3092 @Override 3093 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3094 ComponentName profileOwner = getProfileOwner(userHandle); 3095 // Profile challenge is supported on N or newer release. 3096 return profileOwner != null && 3097 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3098 } 3099 3100 @Override 3101 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3102 if (!mHasFeature) { 3103 return; 3104 } 3105 Preconditions.checkNotNull(who, "ComponentName is null"); 3106 validateQualityConstant(quality); 3107 3108 synchronized (this) { 3109 ActiveAdmin ap = getActiveAdminForCallerLocked( 3110 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3111 if (ap.passwordQuality != quality) { 3112 ap.passwordQuality = quality; 3113 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3114 } 3115 } 3116 } 3117 3118 @Override 3119 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3120 if (!mHasFeature) { 3121 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3122 } 3123 enforceFullCrossUsersPermission(userHandle); 3124 synchronized (this) { 3125 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3126 3127 if (who != null) { 3128 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3129 return admin != null ? admin.passwordQuality : mode; 3130 } 3131 3132 // Return the strictest policy across all participating admins. 3133 List<ActiveAdmin> admins = 3134 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3135 final int N = admins.size(); 3136 for (int i = 0; i < N; i++) { 3137 ActiveAdmin admin = admins.get(i); 3138 if (mode < admin.passwordQuality) { 3139 mode = admin.passwordQuality; 3140 } 3141 } 3142 return mode; 3143 } 3144 } 3145 3146 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3147 int userHandle, boolean parent) { 3148 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3149 // If this user has a separate challenge, only return its restrictions. 3150 return getUserDataUnchecked(userHandle).mAdminList; 3151 } else { 3152 // Return all admins for this user and the profiles that are visible from this 3153 // user that do not use a separate work challenge. 3154 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3155 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3156 DevicePolicyData policy = getUserData(userInfo.id); 3157 if (!userInfo.isManagedProfile()) { 3158 admins.addAll(policy.mAdminList); 3159 } else { 3160 // For managed profiles, we always include the policies set on the parent 3161 // profile. Additionally, we include the ones set on the managed profile 3162 // if no separate challenge is in place. 3163 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3164 final int N = policy.mAdminList.size(); 3165 for (int i = 0; i < N; i++) { 3166 ActiveAdmin admin = policy.mAdminList.get(i); 3167 if (admin.hasParentActiveAdmin()) { 3168 admins.add(admin.getParentActiveAdmin()); 3169 } 3170 if (!hasSeparateChallenge) { 3171 admins.add(admin); 3172 } 3173 } 3174 } 3175 } 3176 return admins; 3177 } 3178 } 3179 3180 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3181 long ident = mInjector.binderClearCallingIdentity(); 3182 try { 3183 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3184 } finally { 3185 mInjector.binderRestoreCallingIdentity(ident); 3186 } 3187 } 3188 3189 @Override 3190 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3191 if (!mHasFeature) { 3192 return; 3193 } 3194 Preconditions.checkNotNull(who, "ComponentName is null"); 3195 synchronized (this) { 3196 ActiveAdmin ap = getActiveAdminForCallerLocked( 3197 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3198 if (ap.minimumPasswordLength != length) { 3199 ap.minimumPasswordLength = length; 3200 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3201 } 3202 } 3203 } 3204 3205 @Override 3206 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3207 if (!mHasFeature) { 3208 return 0; 3209 } 3210 enforceFullCrossUsersPermission(userHandle); 3211 synchronized (this) { 3212 int length = 0; 3213 3214 if (who != null) { 3215 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3216 return admin != null ? admin.minimumPasswordLength : length; 3217 } 3218 3219 // Return the strictest policy across all participating admins. 3220 List<ActiveAdmin> admins = 3221 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3222 final int N = admins.size(); 3223 for (int i = 0; i < N; i++) { 3224 ActiveAdmin admin = admins.get(i); 3225 if (length < admin.minimumPasswordLength) { 3226 length = admin.minimumPasswordLength; 3227 } 3228 } 3229 return length; 3230 } 3231 } 3232 3233 @Override 3234 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3235 if (!mHasFeature) { 3236 return; 3237 } 3238 Preconditions.checkNotNull(who, "ComponentName is null"); 3239 synchronized (this) { 3240 ActiveAdmin ap = getActiveAdminForCallerLocked( 3241 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3242 if (ap.passwordHistoryLength != length) { 3243 ap.passwordHistoryLength = length; 3244 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3245 } 3246 } 3247 } 3248 3249 @Override 3250 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3251 if (!mHasFeature) { 3252 return 0; 3253 } 3254 enforceFullCrossUsersPermission(userHandle); 3255 synchronized (this) { 3256 int length = 0; 3257 3258 if (who != null) { 3259 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3260 return admin != null ? admin.passwordHistoryLength : length; 3261 } 3262 3263 // Return the strictest policy across all participating admins. 3264 List<ActiveAdmin> admins = 3265 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3266 final int N = admins.size(); 3267 for (int i = 0; i < N; i++) { 3268 ActiveAdmin admin = admins.get(i); 3269 if (length < admin.passwordHistoryLength) { 3270 length = admin.passwordHistoryLength; 3271 } 3272 } 3273 3274 return length; 3275 } 3276 } 3277 3278 @Override 3279 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3280 if (!mHasFeature) { 3281 return; 3282 } 3283 Preconditions.checkNotNull(who, "ComponentName is null"); 3284 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3285 final int userHandle = mInjector.userHandleGetCallingUserId(); 3286 synchronized (this) { 3287 ActiveAdmin ap = getActiveAdminForCallerLocked( 3288 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3289 // Calling this API automatically bumps the expiration date 3290 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3291 ap.passwordExpirationDate = expiration; 3292 ap.passwordExpirationTimeout = timeout; 3293 if (timeout > 0L) { 3294 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3295 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3296 .format(new Date(expiration))); 3297 } 3298 saveSettingsLocked(userHandle); 3299 3300 // in case this is the first one, set the alarm on the appropriate user. 3301 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3302 } 3303 } 3304 3305 /** 3306 * Return a single admin's expiration cycle time, or the min of all cycle times. 3307 * Returns 0 if not configured. 3308 */ 3309 @Override 3310 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3311 if (!mHasFeature) { 3312 return 0L; 3313 } 3314 enforceFullCrossUsersPermission(userHandle); 3315 synchronized (this) { 3316 long timeout = 0L; 3317 3318 if (who != null) { 3319 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3320 return admin != null ? admin.passwordExpirationTimeout : timeout; 3321 } 3322 3323 // Return the strictest policy across all participating admins. 3324 List<ActiveAdmin> admins = 3325 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3326 final int N = admins.size(); 3327 for (int i = 0; i < N; i++) { 3328 ActiveAdmin admin = admins.get(i); 3329 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3330 && timeout > admin.passwordExpirationTimeout)) { 3331 timeout = admin.passwordExpirationTimeout; 3332 } 3333 } 3334 return timeout; 3335 } 3336 } 3337 3338 @Override 3339 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3340 final int userId = UserHandle.getCallingUserId(); 3341 List<String> changedProviders = null; 3342 3343 synchronized (this) { 3344 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3345 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3346 if (activeAdmin.crossProfileWidgetProviders == null) { 3347 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3348 } 3349 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3350 if (!providers.contains(packageName)) { 3351 providers.add(packageName); 3352 changedProviders = new ArrayList<>(providers); 3353 saveSettingsLocked(userId); 3354 } 3355 } 3356 3357 if (changedProviders != null) { 3358 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3359 return true; 3360 } 3361 3362 return false; 3363 } 3364 3365 @Override 3366 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3367 final int userId = UserHandle.getCallingUserId(); 3368 List<String> changedProviders = null; 3369 3370 synchronized (this) { 3371 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3372 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3373 if (activeAdmin.crossProfileWidgetProviders == null) { 3374 return false; 3375 } 3376 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3377 if (providers.remove(packageName)) { 3378 changedProviders = new ArrayList<>(providers); 3379 saveSettingsLocked(userId); 3380 } 3381 } 3382 3383 if (changedProviders != null) { 3384 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3385 return true; 3386 } 3387 3388 return false; 3389 } 3390 3391 @Override 3392 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3393 synchronized (this) { 3394 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3395 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3396 if (activeAdmin.crossProfileWidgetProviders == null 3397 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3398 return null; 3399 } 3400 if (mInjector.binderIsCallingUidMyUid()) { 3401 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3402 } else { 3403 return activeAdmin.crossProfileWidgetProviders; 3404 } 3405 } 3406 } 3407 3408 /** 3409 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3410 * Returns 0 if not configured. 3411 */ 3412 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3413 long timeout = 0L; 3414 3415 if (who != null) { 3416 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3417 return admin != null ? admin.passwordExpirationDate : timeout; 3418 } 3419 3420 // Return the strictest policy across all participating admins. 3421 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3422 final int N = admins.size(); 3423 for (int i = 0; i < N; i++) { 3424 ActiveAdmin admin = admins.get(i); 3425 if (timeout == 0L || (admin.passwordExpirationDate != 0 3426 && timeout > admin.passwordExpirationDate)) { 3427 timeout = admin.passwordExpirationDate; 3428 } 3429 } 3430 return timeout; 3431 } 3432 3433 @Override 3434 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3435 if (!mHasFeature) { 3436 return 0L; 3437 } 3438 enforceFullCrossUsersPermission(userHandle); 3439 synchronized (this) { 3440 return getPasswordExpirationLocked(who, userHandle, parent); 3441 } 3442 } 3443 3444 @Override 3445 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3446 if (!mHasFeature) { 3447 return; 3448 } 3449 Preconditions.checkNotNull(who, "ComponentName is null"); 3450 synchronized (this) { 3451 ActiveAdmin ap = getActiveAdminForCallerLocked( 3452 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3453 if (ap.minimumPasswordUpperCase != length) { 3454 ap.minimumPasswordUpperCase = length; 3455 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3456 } 3457 } 3458 } 3459 3460 @Override 3461 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3462 if (!mHasFeature) { 3463 return 0; 3464 } 3465 enforceFullCrossUsersPermission(userHandle); 3466 synchronized (this) { 3467 int length = 0; 3468 3469 if (who != null) { 3470 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3471 return admin != null ? admin.minimumPasswordUpperCase : length; 3472 } 3473 3474 // Return the strictest policy across all participating admins. 3475 List<ActiveAdmin> admins = 3476 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3477 final int N = admins.size(); 3478 for (int i = 0; i < N; i++) { 3479 ActiveAdmin admin = admins.get(i); 3480 if (length < admin.minimumPasswordUpperCase) { 3481 length = admin.minimumPasswordUpperCase; 3482 } 3483 } 3484 return length; 3485 } 3486 } 3487 3488 @Override 3489 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3490 Preconditions.checkNotNull(who, "ComponentName is null"); 3491 synchronized (this) { 3492 ActiveAdmin ap = getActiveAdminForCallerLocked( 3493 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3494 if (ap.minimumPasswordLowerCase != length) { 3495 ap.minimumPasswordLowerCase = length; 3496 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3497 } 3498 } 3499 } 3500 3501 @Override 3502 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3503 if (!mHasFeature) { 3504 return 0; 3505 } 3506 enforceFullCrossUsersPermission(userHandle); 3507 synchronized (this) { 3508 int length = 0; 3509 3510 if (who != null) { 3511 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3512 return admin != null ? admin.minimumPasswordLowerCase : length; 3513 } 3514 3515 // Return the strictest policy across all participating admins. 3516 List<ActiveAdmin> admins = 3517 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3518 final int N = admins.size(); 3519 for (int i = 0; i < N; i++) { 3520 ActiveAdmin admin = admins.get(i); 3521 if (length < admin.minimumPasswordLowerCase) { 3522 length = admin.minimumPasswordLowerCase; 3523 } 3524 } 3525 return length; 3526 } 3527 } 3528 3529 @Override 3530 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3531 if (!mHasFeature) { 3532 return; 3533 } 3534 Preconditions.checkNotNull(who, "ComponentName is null"); 3535 synchronized (this) { 3536 ActiveAdmin ap = getActiveAdminForCallerLocked( 3537 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3538 if (ap.minimumPasswordLetters != length) { 3539 ap.minimumPasswordLetters = length; 3540 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3541 } 3542 } 3543 } 3544 3545 @Override 3546 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3547 if (!mHasFeature) { 3548 return 0; 3549 } 3550 enforceFullCrossUsersPermission(userHandle); 3551 synchronized (this) { 3552 int length = 0; 3553 3554 if (who != null) { 3555 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3556 return admin != null ? admin.minimumPasswordLetters : length; 3557 } 3558 3559 // Return the strictest policy across all participating admins. 3560 List<ActiveAdmin> admins = 3561 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3562 final int N = admins.size(); 3563 for (int i = 0; i < N; i++) { 3564 ActiveAdmin admin = admins.get(i); 3565 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3566 continue; 3567 } 3568 if (length < admin.minimumPasswordLetters) { 3569 length = admin.minimumPasswordLetters; 3570 } 3571 } 3572 return length; 3573 } 3574 } 3575 3576 @Override 3577 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3578 if (!mHasFeature) { 3579 return; 3580 } 3581 Preconditions.checkNotNull(who, "ComponentName is null"); 3582 synchronized (this) { 3583 ActiveAdmin ap = getActiveAdminForCallerLocked( 3584 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3585 if (ap.minimumPasswordNumeric != length) { 3586 ap.minimumPasswordNumeric = length; 3587 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3588 } 3589 } 3590 } 3591 3592 @Override 3593 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3594 if (!mHasFeature) { 3595 return 0; 3596 } 3597 enforceFullCrossUsersPermission(userHandle); 3598 synchronized (this) { 3599 int length = 0; 3600 3601 if (who != null) { 3602 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3603 return admin != null ? admin.minimumPasswordNumeric : length; 3604 } 3605 3606 // Return the strictest policy across all participating admins. 3607 List<ActiveAdmin> admins = 3608 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3609 final int N = admins.size(); 3610 for (int i = 0; i < N; i++) { 3611 ActiveAdmin admin = admins.get(i); 3612 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3613 continue; 3614 } 3615 if (length < admin.minimumPasswordNumeric) { 3616 length = admin.minimumPasswordNumeric; 3617 } 3618 } 3619 return length; 3620 } 3621 } 3622 3623 @Override 3624 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3625 if (!mHasFeature) { 3626 return; 3627 } 3628 Preconditions.checkNotNull(who, "ComponentName is null"); 3629 synchronized (this) { 3630 ActiveAdmin ap = getActiveAdminForCallerLocked( 3631 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3632 if (ap.minimumPasswordSymbols != length) { 3633 ap.minimumPasswordSymbols = length; 3634 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3635 } 3636 } 3637 } 3638 3639 @Override 3640 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3641 if (!mHasFeature) { 3642 return 0; 3643 } 3644 enforceFullCrossUsersPermission(userHandle); 3645 synchronized (this) { 3646 int length = 0; 3647 3648 if (who != null) { 3649 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3650 return admin != null ? admin.minimumPasswordSymbols : length; 3651 } 3652 3653 // Return the strictest policy across all participating admins. 3654 List<ActiveAdmin> admins = 3655 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3656 final int N = admins.size(); 3657 for (int i = 0; i < N; i++) { 3658 ActiveAdmin admin = admins.get(i); 3659 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3660 continue; 3661 } 3662 if (length < admin.minimumPasswordSymbols) { 3663 length = admin.minimumPasswordSymbols; 3664 } 3665 } 3666 return length; 3667 } 3668 } 3669 3670 @Override 3671 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3672 if (!mHasFeature) { 3673 return; 3674 } 3675 Preconditions.checkNotNull(who, "ComponentName is null"); 3676 synchronized (this) { 3677 ActiveAdmin ap = getActiveAdminForCallerLocked( 3678 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3679 if (ap.minimumPasswordNonLetter != length) { 3680 ap.minimumPasswordNonLetter = length; 3681 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3682 } 3683 } 3684 } 3685 3686 @Override 3687 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3688 if (!mHasFeature) { 3689 return 0; 3690 } 3691 enforceFullCrossUsersPermission(userHandle); 3692 synchronized (this) { 3693 int length = 0; 3694 3695 if (who != null) { 3696 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3697 return admin != null ? admin.minimumPasswordNonLetter : length; 3698 } 3699 3700 // Return the strictest policy across all participating admins. 3701 List<ActiveAdmin> admins = 3702 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3703 final int N = admins.size(); 3704 for (int i = 0; i < N; i++) { 3705 ActiveAdmin admin = admins.get(i); 3706 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3707 continue; 3708 } 3709 if (length < admin.minimumPasswordNonLetter) { 3710 length = admin.minimumPasswordNonLetter; 3711 } 3712 } 3713 return length; 3714 } 3715 } 3716 3717 @Override 3718 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3719 if (!mHasFeature) { 3720 return true; 3721 } 3722 enforceFullCrossUsersPermission(userHandle); 3723 3724 synchronized (this) { 3725 // This API can only be called by an active device admin, 3726 // so try to retrieve it to check that the caller is one. 3727 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3728 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3729 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3730 } 3731 } 3732 3733 @Override 3734 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3735 if (!mHasFeature) { 3736 return true; 3737 } 3738 enforceFullCrossUsersPermission(userHandle); 3739 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3740 3741 synchronized (this) { 3742 int targetUser = getProfileParentId(userHandle); 3743 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3744 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3745 } 3746 } 3747 3748 private boolean isActivePasswordSufficientForUserLocked( 3749 DevicePolicyData policy, int userHandle, boolean parent) { 3750 enforceUserUnlocked(userHandle, parent); 3751 3752 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 3753 if (policy.mActivePasswordQuality < requiredPasswordQuality) { 3754 return false; 3755 } 3756 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 3757 && policy.mActivePasswordLength < getPasswordMinimumLength( 3758 null, userHandle, parent)) { 3759 return false; 3760 } 3761 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3762 return true; 3763 } 3764 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase( 3765 null, userHandle, parent) 3766 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase( 3767 null, userHandle, parent) 3768 && policy.mActivePasswordLetters >= getPasswordMinimumLetters( 3769 null, userHandle, parent) 3770 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric( 3771 null, userHandle, parent) 3772 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols( 3773 null, userHandle, parent) 3774 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter( 3775 null, userHandle, parent); 3776 } 3777 3778 @Override 3779 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3780 enforceFullCrossUsersPermission(userHandle); 3781 synchronized (this) { 3782 if (!isCallerWithSystemUid()) { 3783 // This API can only be called by an active device admin, 3784 // so try to retrieve it to check that the caller is one. 3785 getActiveAdminForCallerLocked( 3786 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3787 } 3788 3789 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3790 3791 return policy.mFailedPasswordAttempts; 3792 } 3793 } 3794 3795 @Override 3796 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3797 if (!mHasFeature) { 3798 return; 3799 } 3800 Preconditions.checkNotNull(who, "ComponentName is null"); 3801 synchronized (this) { 3802 // This API can only be called by an active device admin, 3803 // so try to retrieve it to check that the caller is one. 3804 getActiveAdminForCallerLocked( 3805 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3806 ActiveAdmin ap = getActiveAdminForCallerLocked( 3807 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3808 if (ap.maximumFailedPasswordsForWipe != num) { 3809 ap.maximumFailedPasswordsForWipe = num; 3810 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3811 } 3812 } 3813 } 3814 3815 @Override 3816 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3817 if (!mHasFeature) { 3818 return 0; 3819 } 3820 enforceFullCrossUsersPermission(userHandle); 3821 synchronized (this) { 3822 ActiveAdmin admin = (who != null) 3823 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3824 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3825 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3826 } 3827 } 3828 3829 @Override 3830 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3831 if (!mHasFeature) { 3832 return UserHandle.USER_NULL; 3833 } 3834 enforceFullCrossUsersPermission(userHandle); 3835 synchronized (this) { 3836 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3837 userHandle, parent); 3838 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3839 } 3840 } 3841 3842 /** 3843 * Returns the admin with the strictest policy on maximum failed passwords for: 3844 * <ul> 3845 * <li>this user if it has a separate profile challenge, or 3846 * <li>this user and all profiles that don't have their own challenge otherwise. 3847 * </ul> 3848 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3849 * the primary profile. 3850 * Returns {@code null} if no participating admin has that policy set. 3851 */ 3852 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3853 int userHandle, boolean parent) { 3854 int count = 0; 3855 ActiveAdmin strictestAdmin = null; 3856 3857 // Return the strictest policy across all participating admins. 3858 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3859 final int N = admins.size(); 3860 for (int i = 0; i < N; i++) { 3861 ActiveAdmin admin = admins.get(i); 3862 if (admin.maximumFailedPasswordsForWipe == 3863 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3864 continue; // No max number of failed passwords policy set for this profile. 3865 } 3866 3867 // We always favor the primary profile if several profiles have the same value set. 3868 int userId = admin.getUserHandle().getIdentifier(); 3869 if (count == 0 || 3870 count > admin.maximumFailedPasswordsForWipe || 3871 (count == admin.maximumFailedPasswordsForWipe && 3872 getUserInfo(userId).isPrimary())) { 3873 count = admin.maximumFailedPasswordsForWipe; 3874 strictestAdmin = admin; 3875 } 3876 } 3877 return strictestAdmin; 3878 } 3879 3880 private UserInfo getUserInfo(@UserIdInt int userId) { 3881 final long token = mInjector.binderClearCallingIdentity(); 3882 try { 3883 return mUserManager.getUserInfo(userId); 3884 } finally { 3885 mInjector.binderRestoreCallingIdentity(token); 3886 } 3887 } 3888 3889 @Override 3890 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3891 if (!mHasFeature) { 3892 return false; 3893 } 3894 final int callingUid = mInjector.binderGetCallingUid(); 3895 final int userHandle = mInjector.userHandleGetCallingUserId(); 3896 3897 String password = passwordOrNull != null ? passwordOrNull : ""; 3898 3899 // Password resetting to empty/null is not allowed for managed profiles. 3900 if (TextUtils.isEmpty(password)) { 3901 enforceNotManagedProfile(userHandle, "clear the active password"); 3902 } 3903 3904 int quality; 3905 synchronized (this) { 3906 // If caller has PO (or DO) it can change the password, so see if that's the case first. 3907 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 3908 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 3909 final boolean preN; 3910 if (admin != null) { 3911 preN = getTargetSdk(admin.info.getPackageName(), 3912 userHandle) <= android.os.Build.VERSION_CODES.M; 3913 } else { 3914 // Otherwise, make sure the caller has any active admin with the right policy. 3915 admin = getActiveAdminForCallerLocked(null, 3916 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 3917 preN = getTargetSdk(admin.info.getPackageName(), 3918 userHandle) <= android.os.Build.VERSION_CODES.M; 3919 3920 // As of N, password resetting to empty/null is not allowed anymore. 3921 // TODO Should we allow DO/PO to set an empty password? 3922 if (TextUtils.isEmpty(password)) { 3923 if (!preN) { 3924 throw new SecurityException("Cannot call with null password"); 3925 } else { 3926 Slog.e(LOG_TAG, "Cannot call with null password"); 3927 return false; 3928 } 3929 } 3930 // As of N, password cannot be changed by the admin if it is already set. 3931 if (isLockScreenSecureUnchecked(userHandle)) { 3932 if (!preN) { 3933 throw new SecurityException("Admin cannot change current password"); 3934 } else { 3935 Slog.e(LOG_TAG, "Admin cannot change current password"); 3936 return false; 3937 } 3938 } 3939 } 3940 // Do not allow to reset password when current user has a managed profile 3941 if (!isManagedProfile(userHandle)) { 3942 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3943 if (userInfo.isManagedProfile()) { 3944 if (!preN) { 3945 throw new IllegalStateException( 3946 "Cannot reset password on user has managed profile"); 3947 } else { 3948 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 3949 return false; 3950 } 3951 } 3952 } 3953 } 3954 // Do not allow to reset password when user is locked 3955 if (!mUserManager.isUserUnlocked(userHandle)) { 3956 if (!preN) { 3957 throw new IllegalStateException("Cannot reset password when user is locked"); 3958 } else { 3959 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 3960 return false; 3961 } 3962 } 3963 3964 quality = getPasswordQuality(null, userHandle, /* parent */ false); 3965 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 3966 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3967 } 3968 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 3969 int realQuality = LockPatternUtils.computePasswordQuality(password); 3970 if (realQuality < quality 3971 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3972 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 3973 + Integer.toHexString(realQuality) 3974 + " does not meet required quality 0x" 3975 + Integer.toHexString(quality)); 3976 return false; 3977 } 3978 quality = Math.max(realQuality, quality); 3979 } 3980 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 3981 if (password.length() < length) { 3982 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 3983 + " does not meet required length " + length); 3984 return false; 3985 } 3986 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3987 int letters = 0; 3988 int uppercase = 0; 3989 int lowercase = 0; 3990 int numbers = 0; 3991 int symbols = 0; 3992 int nonletter = 0; 3993 for (int i = 0; i < password.length(); i++) { 3994 char c = password.charAt(i); 3995 if (c >= 'A' && c <= 'Z') { 3996 letters++; 3997 uppercase++; 3998 } else if (c >= 'a' && c <= 'z') { 3999 letters++; 4000 lowercase++; 4001 } else if (c >= '0' && c <= '9') { 4002 numbers++; 4003 nonletter++; 4004 } else { 4005 symbols++; 4006 nonletter++; 4007 } 4008 } 4009 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4010 if(letters < neededLetters) { 4011 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 4012 + " does not meet required number of letters " + neededLetters); 4013 return false; 4014 } 4015 int neededNumbers = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4016 if (numbers < neededNumbers) { 4017 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 4018 + " does not meet required number of numerical digits " 4019 + neededNumbers); 4020 return false; 4021 } 4022 int neededLowerCase = getPasswordMinimumLowerCase( 4023 null, userHandle, /* parent */ false); 4024 if (lowercase < neededLowerCase) { 4025 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 4026 + " does not meet required number of lowercase letters " 4027 + neededLowerCase); 4028 return false; 4029 } 4030 int neededUpperCase = getPasswordMinimumUpperCase( 4031 null, userHandle, /* parent */ false); 4032 if (uppercase < neededUpperCase) { 4033 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 4034 + " does not meet required number of uppercase letters " 4035 + neededUpperCase); 4036 return false; 4037 } 4038 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4039 if (symbols < neededSymbols) { 4040 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 4041 + " does not meet required number of special symbols " + neededSymbols); 4042 return false; 4043 } 4044 int neededNonLetter = getPasswordMinimumNonLetter( 4045 null, userHandle, /* parent */ false); 4046 if (nonletter < neededNonLetter) { 4047 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 4048 + " does not meet required number of non-letter characters " 4049 + neededNonLetter); 4050 return false; 4051 } 4052 } 4053 } 4054 4055 DevicePolicyData policy = getUserData(userHandle); 4056 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4057 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4058 return false; 4059 } 4060 4061 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4062 boolean doNotAskCredentialsOnBoot = 4063 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4064 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4065 setDoNotAskCredentialsOnBoot(); 4066 } 4067 4068 // Don't do this with the lock held, because it is going to call 4069 // back in to the service. 4070 final long ident = mInjector.binderClearCallingIdentity(); 4071 try { 4072 if (!TextUtils.isEmpty(password)) { 4073 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4074 } else { 4075 mLockPatternUtils.clearLock(userHandle); 4076 } 4077 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4078 if (requireEntry) { 4079 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4080 UserHandle.USER_ALL); 4081 } 4082 synchronized (this) { 4083 int newOwner = requireEntry ? callingUid : -1; 4084 if (policy.mPasswordOwner != newOwner) { 4085 policy.mPasswordOwner = newOwner; 4086 saveSettingsLocked(userHandle); 4087 } 4088 } 4089 } finally { 4090 mInjector.binderRestoreCallingIdentity(ident); 4091 } 4092 4093 return true; 4094 } 4095 4096 private boolean isLockScreenSecureUnchecked(int userId) { 4097 long ident = mInjector.binderClearCallingIdentity(); 4098 try { 4099 return mLockPatternUtils.isSecure(userId); 4100 } finally { 4101 mInjector.binderRestoreCallingIdentity(ident); 4102 } 4103 } 4104 4105 private void setDoNotAskCredentialsOnBoot() { 4106 synchronized (this) { 4107 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4108 if (!policyData.doNotAskCredentialsOnBoot) { 4109 policyData.doNotAskCredentialsOnBoot = true; 4110 saveSettingsLocked(UserHandle.USER_SYSTEM); 4111 } 4112 } 4113 } 4114 4115 @Override 4116 public boolean getDoNotAskCredentialsOnBoot() { 4117 mContext.enforceCallingOrSelfPermission( 4118 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4119 synchronized (this) { 4120 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4121 return policyData.doNotAskCredentialsOnBoot; 4122 } 4123 } 4124 4125 @Override 4126 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4127 if (!mHasFeature) { 4128 return; 4129 } 4130 Preconditions.checkNotNull(who, "ComponentName is null"); 4131 final int userHandle = mInjector.userHandleGetCallingUserId(); 4132 synchronized (this) { 4133 ActiveAdmin ap = getActiveAdminForCallerLocked( 4134 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4135 if (ap.maximumTimeToUnlock != timeMs) { 4136 ap.maximumTimeToUnlock = timeMs; 4137 saveSettingsLocked(userHandle); 4138 updateMaximumTimeToLockLocked(userHandle); 4139 } 4140 } 4141 } 4142 4143 void updateMaximumTimeToLockLocked(int userHandle) { 4144 // Calculate the min timeout for all profiles - including the ones with a separate 4145 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4146 // challenge only and keep the screen on. However there is no easy way of doing that at the 4147 // moment so we set the screen off timeout regardless of whether it affects the parent user 4148 // or the profile challenge only. 4149 long timeMs = Long.MAX_VALUE; 4150 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4151 for (int profileId : profileIds) { 4152 DevicePolicyData policy = getUserDataUnchecked(profileId); 4153 final int N = policy.mAdminList.size(); 4154 for (int i = 0; i < N; i++) { 4155 ActiveAdmin admin = policy.mAdminList.get(i); 4156 if (admin.maximumTimeToUnlock > 0 4157 && timeMs > admin.maximumTimeToUnlock) { 4158 timeMs = admin.maximumTimeToUnlock; 4159 } 4160 // If userInfo.id is a managed profile, we also need to look at 4161 // the policies set on the parent. 4162 if (admin.hasParentActiveAdmin()) { 4163 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4164 if (parentAdmin.maximumTimeToUnlock > 0 4165 && timeMs > parentAdmin.maximumTimeToUnlock) { 4166 timeMs = parentAdmin.maximumTimeToUnlock; 4167 } 4168 } 4169 } 4170 } 4171 4172 // We only store the last maximum time to lock on the parent profile. So if calling from a 4173 // managed profile, retrieve the policy for the parent. 4174 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4175 if (policy.mLastMaximumTimeToLock == timeMs) { 4176 return; 4177 } 4178 policy.mLastMaximumTimeToLock = timeMs; 4179 4180 final long ident = mInjector.binderClearCallingIdentity(); 4181 try { 4182 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4183 // Make sure KEEP_SCREEN_ON is disabled, since that 4184 // would allow bypassing of the maximum time to lock. 4185 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4186 } 4187 4188 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4189 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4190 } finally { 4191 mInjector.binderRestoreCallingIdentity(ident); 4192 } 4193 } 4194 4195 @Override 4196 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4197 if (!mHasFeature) { 4198 return 0; 4199 } 4200 enforceFullCrossUsersPermission(userHandle); 4201 synchronized (this) { 4202 if (who != null) { 4203 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4204 return admin != null ? admin.maximumTimeToUnlock : 0; 4205 } 4206 // Return the strictest policy across all participating admins. 4207 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4208 userHandle, parent); 4209 return getMaximumTimeToLockPolicyFromAdmins(admins); 4210 } 4211 } 4212 4213 @Override 4214 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4215 if (!mHasFeature) { 4216 return 0; 4217 } 4218 enforceFullCrossUsersPermission(userHandle); 4219 synchronized (this) { 4220 // All admins for this user. 4221 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4222 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4223 DevicePolicyData policy = getUserData(userInfo.id); 4224 admins.addAll(policy.mAdminList); 4225 // If it is a managed profile, it may have parent active admins 4226 if (userInfo.isManagedProfile()) { 4227 for (ActiveAdmin admin : policy.mAdminList) { 4228 if (admin.hasParentActiveAdmin()) { 4229 admins.add(admin.getParentActiveAdmin()); 4230 } 4231 } 4232 } 4233 } 4234 return getMaximumTimeToLockPolicyFromAdmins(admins); 4235 } 4236 } 4237 4238 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4239 long time = 0; 4240 final int N = admins.size(); 4241 for (int i = 0; i < N; i++) { 4242 ActiveAdmin admin = admins.get(i); 4243 if (time == 0) { 4244 time = admin.maximumTimeToUnlock; 4245 } else if (admin.maximumTimeToUnlock != 0 4246 && time > admin.maximumTimeToUnlock) { 4247 time = admin.maximumTimeToUnlock; 4248 } 4249 } 4250 return time; 4251 } 4252 4253 @Override 4254 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4255 boolean parent) { 4256 if (!mHasFeature) { 4257 return; 4258 } 4259 Preconditions.checkNotNull(who, "ComponentName is null"); 4260 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4261 // timeoutMs with value 0 means that the admin doesn't participate 4262 // timeoutMs is clamped to the interval in case the internal constants change in the future 4263 if (timeoutMs != 0 && timeoutMs < MINIMUM_STRONG_AUTH_TIMEOUT_MS) { 4264 timeoutMs = MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4265 } 4266 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4267 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4268 } 4269 4270 final int userHandle = mInjector.userHandleGetCallingUserId(); 4271 synchronized (this) { 4272 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4273 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4274 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4275 ap.strongAuthUnlockTimeout = timeoutMs; 4276 saveSettingsLocked(userHandle); 4277 } 4278 } 4279 } 4280 4281 /** 4282 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4283 * admins if who is null. 4284 * Returns 0 if not configured for the provided admin. 4285 */ 4286 @Override 4287 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4288 if (!mHasFeature) { 4289 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4290 } 4291 enforceFullCrossUsersPermission(userId); 4292 synchronized (this) { 4293 if (who != null) { 4294 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4295 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4296 } 4297 4298 // Return the strictest policy across all participating admins. 4299 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4300 4301 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4302 for (int i = 0; i < admins.size(); i++) { 4303 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4304 if (timeout != 0) { // take only participating admins into account 4305 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4306 } 4307 } 4308 return Math.max(strongAuthUnlockTimeout, MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4309 } 4310 } 4311 4312 @Override 4313 public void lockNow(boolean parent) { 4314 if (!mHasFeature) { 4315 return; 4316 } 4317 synchronized (this) { 4318 // This API can only be called by an active device admin, 4319 // so try to retrieve it to check that the caller is one. 4320 getActiveAdminForCallerLocked( 4321 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4322 4323 int userToLock = mInjector.userHandleGetCallingUserId(); 4324 4325 // Unless this is a managed profile with work challenge enabled, lock all users. 4326 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 4327 userToLock = UserHandle.USER_ALL; 4328 } 4329 final long ident = mInjector.binderClearCallingIdentity(); 4330 try { 4331 mLockPatternUtils.requireStrongAuth( 4332 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4333 if (userToLock == UserHandle.USER_ALL) { 4334 // Power off the display 4335 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4336 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4337 mInjector.getIWindowManager().lockNow(null); 4338 } else { 4339 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4340 } 4341 } catch (RemoteException e) { 4342 } finally { 4343 mInjector.binderRestoreCallingIdentity(ident); 4344 } 4345 } 4346 } 4347 4348 @Override 4349 public void enforceCanManageCaCerts(ComponentName who) { 4350 if (who == null) { 4351 if (!isCallerDelegatedCertInstaller()) { 4352 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4353 } 4354 } else { 4355 synchronized (this) { 4356 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4357 } 4358 } 4359 } 4360 4361 private void enforceCanManageInstalledKeys(ComponentName who) { 4362 if (who == null) { 4363 if (!isCallerDelegatedCertInstaller()) { 4364 throw new SecurityException("who == null, but caller is not cert installer"); 4365 } 4366 } else { 4367 synchronized (this) { 4368 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4369 } 4370 } 4371 } 4372 4373 private boolean isCallerDelegatedCertInstaller() { 4374 final int callingUid = mInjector.binderGetCallingUid(); 4375 final int userHandle = UserHandle.getUserId(callingUid); 4376 synchronized (this) { 4377 final DevicePolicyData policy = getUserData(userHandle); 4378 if (policy.mDelegatedCertInstallerPackage == null) { 4379 return false; 4380 } 4381 4382 try { 4383 int uid = mContext.getPackageManager().getPackageUidAsUser( 4384 policy.mDelegatedCertInstallerPackage, userHandle); 4385 return uid == callingUid; 4386 } catch (NameNotFoundException e) { 4387 return false; 4388 } 4389 } 4390 } 4391 4392 @Override 4393 public boolean approveCaCert(String alias, int userId, boolean approval) { 4394 enforceManageUsers(); 4395 synchronized (this) { 4396 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4397 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4398 if (!changed) { 4399 return false; 4400 } 4401 saveSettingsLocked(userId); 4402 } 4403 new MonitoringCertNotificationTask().execute(userId); 4404 return true; 4405 } 4406 4407 @Override 4408 public boolean isCaCertApproved(String alias, int userId) { 4409 enforceManageUsers(); 4410 synchronized (this) { 4411 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4412 } 4413 } 4414 4415 private void removeCaApprovalsIfNeeded(int userId) { 4416 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4417 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4418 if (userInfo.isManagedProfile()){ 4419 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4420 } 4421 if (!isSecure) { 4422 synchronized (this) { 4423 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4424 saveSettingsLocked(userInfo.id); 4425 } 4426 4427 new MonitoringCertNotificationTask().execute(userInfo.id); 4428 } 4429 } 4430 } 4431 4432 @Override 4433 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4434 enforceCanManageCaCerts(admin); 4435 4436 byte[] pemCert; 4437 try { 4438 X509Certificate cert = parseCert(certBuffer); 4439 pemCert = Credentials.convertToPem(cert); 4440 } catch (CertificateException ce) { 4441 Log.e(LOG_TAG, "Problem converting cert", ce); 4442 return false; 4443 } catch (IOException ioe) { 4444 Log.e(LOG_TAG, "Problem reading cert", ioe); 4445 return false; 4446 } 4447 4448 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4449 final long id = mInjector.binderClearCallingIdentity(); 4450 try { 4451 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4452 try { 4453 keyChainConnection.getService().installCaCertificate(pemCert); 4454 return true; 4455 } catch (RemoteException e) { 4456 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4457 } finally { 4458 keyChainConnection.close(); 4459 } 4460 } catch (InterruptedException e1) { 4461 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4462 Thread.currentThread().interrupt(); 4463 } finally { 4464 mInjector.binderRestoreCallingIdentity(id); 4465 } 4466 return false; 4467 } 4468 4469 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4470 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4471 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4472 certBuffer)); 4473 } 4474 4475 @Override 4476 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4477 enforceCanManageCaCerts(admin); 4478 4479 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4480 final long id = mInjector.binderClearCallingIdentity(); 4481 try { 4482 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4483 try { 4484 for (int i = 0 ; i < aliases.length; i++) { 4485 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4486 } 4487 } catch (RemoteException e) { 4488 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4489 } finally { 4490 keyChainConnection.close(); 4491 } 4492 } catch (InterruptedException ie) { 4493 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4494 Thread.currentThread().interrupt(); 4495 } finally { 4496 mInjector.binderRestoreCallingIdentity(id); 4497 } 4498 } 4499 4500 @Override 4501 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, 4502 String alias, boolean requestAccess) { 4503 enforceCanManageInstalledKeys(who); 4504 4505 final int callingUid = mInjector.binderGetCallingUid(); 4506 final long id = mInjector.binderClearCallingIdentity(); 4507 try { 4508 final KeyChainConnection keyChainConnection = 4509 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4510 try { 4511 IKeyChainService keyChain = keyChainConnection.getService(); 4512 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4513 return false; 4514 } 4515 if (requestAccess) { 4516 keyChain.setGrant(callingUid, alias, true); 4517 } 4518 return true; 4519 } catch (RemoteException e) { 4520 Log.e(LOG_TAG, "Installing certificate", e); 4521 } finally { 4522 keyChainConnection.close(); 4523 } 4524 } catch (InterruptedException e) { 4525 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4526 Thread.currentThread().interrupt(); 4527 } finally { 4528 mInjector.binderRestoreCallingIdentity(id); 4529 } 4530 return false; 4531 } 4532 4533 @Override 4534 public boolean removeKeyPair(ComponentName who, String alias) { 4535 enforceCanManageInstalledKeys(who); 4536 4537 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4538 final long id = Binder.clearCallingIdentity(); 4539 try { 4540 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4541 try { 4542 IKeyChainService keyChain = keyChainConnection.getService(); 4543 return keyChain.removeKeyPair(alias); 4544 } catch (RemoteException e) { 4545 Log.e(LOG_TAG, "Removing keypair", e); 4546 } finally { 4547 keyChainConnection.close(); 4548 } 4549 } catch (InterruptedException e) { 4550 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4551 Thread.currentThread().interrupt(); 4552 } finally { 4553 Binder.restoreCallingIdentity(id); 4554 } 4555 return false; 4556 } 4557 4558 @Override 4559 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4560 final IBinder response) { 4561 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4562 if (!isCallerWithSystemUid()) { 4563 return; 4564 } 4565 4566 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4567 // If there is a profile owner, redirect to that; otherwise query the device owner. 4568 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4569 if (aliasChooser == null && caller.isSystem()) { 4570 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4571 if (deviceOwnerAdmin != null) { 4572 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4573 } 4574 } 4575 if (aliasChooser == null) { 4576 sendPrivateKeyAliasResponse(null, response); 4577 return; 4578 } 4579 4580 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4581 intent.setComponent(aliasChooser); 4582 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4583 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4584 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4585 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4586 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4587 4588 final long id = mInjector.binderClearCallingIdentity(); 4589 try { 4590 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4591 @Override 4592 public void onReceive(Context context, Intent intent) { 4593 final String chosenAlias = getResultData(); 4594 sendPrivateKeyAliasResponse(chosenAlias, response); 4595 } 4596 }, null, Activity.RESULT_OK, null, null); 4597 } finally { 4598 mInjector.binderRestoreCallingIdentity(id); 4599 } 4600 } 4601 4602 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4603 final IKeyChainAliasCallback keyChainAliasResponse = 4604 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4605 new AsyncTask<Void, Void, Void>() { 4606 @Override 4607 protected Void doInBackground(Void... unused) { 4608 try { 4609 keyChainAliasResponse.alias(alias); 4610 } catch (Exception e) { 4611 // Catch everything (not just RemoteException): caller could throw a 4612 // RuntimeException back across processes. 4613 Log.e(LOG_TAG, "error while responding to callback", e); 4614 } 4615 return null; 4616 } 4617 }.execute(); 4618 } 4619 4620 @Override 4621 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4622 throws SecurityException { 4623 int userHandle = UserHandle.getCallingUserId(); 4624 synchronized (this) { 4625 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4626 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4627 if (installerPackage != null && 4628 !isPackageInstalledForUser(installerPackage, userHandle)) { 4629 throw new IllegalArgumentException("Package " + installerPackage 4630 + " is not installed on the current user"); 4631 } 4632 } 4633 DevicePolicyData policy = getUserData(userHandle); 4634 policy.mDelegatedCertInstallerPackage = installerPackage; 4635 saveSettingsLocked(userHandle); 4636 } 4637 } 4638 4639 @Override 4640 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4641 int userHandle = UserHandle.getCallingUserId(); 4642 synchronized (this) { 4643 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4644 DevicePolicyData policy = getUserData(userHandle); 4645 return policy.mDelegatedCertInstallerPackage; 4646 } 4647 } 4648 4649 /** 4650 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 4651 * not installed and therefore not available. 4652 * 4653 * @throws SecurityException if the caller is not a profile or device owner. 4654 * @throws UnsupportedOperationException if the package does not support being set as always-on. 4655 */ 4656 @Override 4657 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 4658 throws SecurityException { 4659 synchronized (this) { 4660 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4661 } 4662 4663 final int userId = mInjector.userHandleGetCallingUserId(); 4664 final long token = mInjector.binderClearCallingIdentity(); 4665 try { 4666 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 4667 return false; 4668 } 4669 ConnectivityManager connectivityManager = (ConnectivityManager) 4670 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4671 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 4672 throw new UnsupportedOperationException(); 4673 } 4674 } finally { 4675 mInjector.binderRestoreCallingIdentity(token); 4676 } 4677 return true; 4678 } 4679 4680 @Override 4681 public String getAlwaysOnVpnPackage(ComponentName admin) 4682 throws SecurityException { 4683 synchronized (this) { 4684 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4685 } 4686 4687 final int userId = mInjector.userHandleGetCallingUserId(); 4688 final long token = mInjector.binderClearCallingIdentity(); 4689 try{ 4690 ConnectivityManager connectivityManager = (ConnectivityManager) 4691 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4692 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4693 } finally { 4694 mInjector.binderRestoreCallingIdentity(token); 4695 } 4696 } 4697 4698 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 4699 if (wipeExtRequested) { 4700 StorageManager sm = (StorageManager) mContext.getSystemService( 4701 Context.STORAGE_SERVICE); 4702 sm.wipeAdoptableDisks(); 4703 } 4704 try { 4705 RecoverySystem.rebootWipeUserData(mContext, reason); 4706 } catch (IOException | SecurityException e) { 4707 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4708 } 4709 } 4710 4711 @Override 4712 public void wipeData(int flags) { 4713 if (!mHasFeature) { 4714 return; 4715 } 4716 final int userHandle = mInjector.userHandleGetCallingUserId(); 4717 enforceFullCrossUsersPermission(userHandle); 4718 synchronized (this) { 4719 // This API can only be called by an active device admin, 4720 // so try to retrieve it to check that the caller is one. 4721 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4722 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4723 4724 final String source = admin.info.getComponent().flattenToShortString(); 4725 4726 long ident = mInjector.binderClearCallingIdentity(); 4727 try { 4728 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4729 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4730 throw new SecurityException( 4731 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4732 } 4733 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4734 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4735 if (manager != null) { 4736 manager.wipe(); 4737 } 4738 } 4739 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4740 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4741 "DevicePolicyManager.wipeData() from " + source); 4742 } finally { 4743 mInjector.binderRestoreCallingIdentity(ident); 4744 } 4745 } 4746 } 4747 4748 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 4749 if (userHandle == UserHandle.USER_SYSTEM) { 4750 wipeDataLocked(wipeExtRequested, reason); 4751 } else { 4752 mHandler.post(new Runnable() { 4753 @Override 4754 public void run() { 4755 try { 4756 IActivityManager am = mInjector.getIActivityManager(); 4757 if (am.getCurrentUser().id == userHandle) { 4758 am.switchUser(UserHandle.USER_SYSTEM); 4759 } 4760 4761 boolean isManagedProfile = isManagedProfile(userHandle); 4762 if (!mUserManager.removeUser(userHandle)) { 4763 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4764 } else if (isManagedProfile) { 4765 sendWipeProfileNotification(); 4766 } 4767 } catch (RemoteException re) { 4768 // Shouldn't happen 4769 } 4770 } 4771 }); 4772 } 4773 } 4774 4775 private void sendWipeProfileNotification() { 4776 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4777 Notification notification = new Notification.Builder(mContext) 4778 .setSmallIcon(android.R.drawable.stat_sys_warning) 4779 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4780 .setContentText(contentText) 4781 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4782 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4783 .build(); 4784 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4785 } 4786 4787 private void clearWipeProfileNotification() { 4788 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4789 } 4790 4791 @Override 4792 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4793 if (!mHasFeature) { 4794 return; 4795 } 4796 enforceFullCrossUsersPermission(userHandle); 4797 mContext.enforceCallingOrSelfPermission( 4798 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4799 4800 synchronized (this) { 4801 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4802 if (admin == null) { 4803 result.sendResult(null); 4804 return; 4805 } 4806 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4807 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4808 intent.setComponent(admin.info.getComponent()); 4809 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4810 null, new BroadcastReceiver() { 4811 @Override 4812 public void onReceive(Context context, Intent intent) { 4813 result.sendResult(getResultExtras(false)); 4814 } 4815 }, null, Activity.RESULT_OK, null, null); 4816 } 4817 } 4818 4819 @Override 4820 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4821 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4822 if (!mHasFeature) { 4823 return; 4824 } 4825 enforceFullCrossUsersPermission(userHandle); 4826 mContext.enforceCallingOrSelfPermission( 4827 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4828 4829 // If the managed profile doesn't have a separate password, set the metrics to default 4830 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 4831 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4832 length = 0; 4833 letters = 0; 4834 uppercase = 0; 4835 lowercase = 0; 4836 numbers = 0; 4837 symbols = 0; 4838 nonletter = 0; 4839 } 4840 4841 validateQualityConstant(quality); 4842 DevicePolicyData policy = getUserData(userHandle); 4843 synchronized (this) { 4844 policy.mActivePasswordQuality = quality; 4845 policy.mActivePasswordLength = length; 4846 policy.mActivePasswordLetters = letters; 4847 policy.mActivePasswordLowerCase = lowercase; 4848 policy.mActivePasswordUpperCase = uppercase; 4849 policy.mActivePasswordNumeric = numbers; 4850 policy.mActivePasswordSymbols = symbols; 4851 policy.mActivePasswordNonLetter = nonletter; 4852 } 4853 } 4854 4855 @Override 4856 public void reportPasswordChanged(int userId) { 4857 if (!mHasFeature) { 4858 return; 4859 } 4860 enforceFullCrossUsersPermission(userId); 4861 4862 // Managed Profile password can only be changed when it has a separate challenge. 4863 if (!isSeparateProfileChallengeEnabled(userId)) { 4864 enforceNotManagedProfile(userId, "set the active password"); 4865 } 4866 4867 mContext.enforceCallingOrSelfPermission( 4868 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4869 4870 DevicePolicyData policy = getUserData(userId); 4871 4872 long ident = mInjector.binderClearCallingIdentity(); 4873 try { 4874 synchronized (this) { 4875 policy.mFailedPasswordAttempts = 0; 4876 saveSettingsLocked(userId); 4877 updatePasswordExpirationsLocked(userId); 4878 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 4879 4880 // Send a broadcast to each profile using this password as its primary unlock. 4881 sendAdminCommandForLockscreenPoliciesLocked( 4882 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4883 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 4884 } 4885 removeCaApprovalsIfNeeded(userId); 4886 } finally { 4887 mInjector.binderRestoreCallingIdentity(ident); 4888 } 4889 } 4890 4891 /** 4892 * Called any time the device password is updated. Resets all password expiration clocks. 4893 */ 4894 private void updatePasswordExpirationsLocked(int userHandle) { 4895 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4896 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4897 userHandle, /* parent */ false); 4898 final int N = admins.size(); 4899 for (int i = 0; i < N; i++) { 4900 ActiveAdmin admin = admins.get(i); 4901 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4902 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4903 long timeout = admin.passwordExpirationTimeout; 4904 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4905 admin.passwordExpirationDate = expiration; 4906 } 4907 } 4908 for (int affectedUserId : affectedUserIds) { 4909 saveSettingsLocked(affectedUserId); 4910 } 4911 } 4912 4913 @Override 4914 public void reportFailedPasswordAttempt(int userHandle) { 4915 enforceFullCrossUsersPermission(userHandle); 4916 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4917 enforceNotManagedProfile(userHandle, 4918 "report failed password attempt if separate profile challenge is not in place"); 4919 } 4920 mContext.enforceCallingOrSelfPermission( 4921 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4922 4923 final long ident = mInjector.binderClearCallingIdentity(); 4924 try { 4925 boolean wipeData = false; 4926 int identifier = 0; 4927 synchronized (this) { 4928 DevicePolicyData policy = getUserData(userHandle); 4929 policy.mFailedPasswordAttempts++; 4930 saveSettingsLocked(userHandle); 4931 if (mHasFeature) { 4932 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4933 userHandle, /* parent */ false); 4934 int max = strictestAdmin != null 4935 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4936 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4937 // Wipe the user/profile associated with the policy that was violated. This 4938 // is not necessarily calling user: if the policy that fired was from a 4939 // managed profile rather than the main user profile, we wipe former only. 4940 wipeData = true; 4941 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4942 } 4943 4944 sendAdminCommandForLockscreenPoliciesLocked( 4945 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4946 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4947 } 4948 } 4949 if (wipeData) { 4950 // Call without holding lock. 4951 wipeDeviceOrUserLocked(false, identifier, 4952 "reportFailedPasswordAttempt()"); 4953 } 4954 } finally { 4955 mInjector.binderRestoreCallingIdentity(ident); 4956 } 4957 4958 if (mInjector.securityLogIsLoggingEnabled()) { 4959 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4960 /*method strength*/ 1); 4961 } 4962 } 4963 4964 @Override 4965 public void reportSuccessfulPasswordAttempt(int userHandle) { 4966 enforceFullCrossUsersPermission(userHandle); 4967 mContext.enforceCallingOrSelfPermission( 4968 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4969 4970 synchronized (this) { 4971 DevicePolicyData policy = getUserData(userHandle); 4972 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4973 long ident = mInjector.binderClearCallingIdentity(); 4974 try { 4975 policy.mFailedPasswordAttempts = 0; 4976 policy.mPasswordOwner = -1; 4977 saveSettingsLocked(userHandle); 4978 if (mHasFeature) { 4979 sendAdminCommandForLockscreenPoliciesLocked( 4980 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4981 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4982 } 4983 } finally { 4984 mInjector.binderRestoreCallingIdentity(ident); 4985 } 4986 } 4987 } 4988 4989 if (mInjector.securityLogIsLoggingEnabled()) { 4990 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4991 /*method strength*/ 1); 4992 } 4993 } 4994 4995 @Override 4996 public void reportFailedFingerprintAttempt(int userHandle) { 4997 enforceFullCrossUsersPermission(userHandle); 4998 mContext.enforceCallingOrSelfPermission( 4999 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5000 if (mInjector.securityLogIsLoggingEnabled()) { 5001 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5002 /*method strength*/ 0); 5003 } 5004 } 5005 5006 @Override 5007 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5008 enforceFullCrossUsersPermission(userHandle); 5009 mContext.enforceCallingOrSelfPermission( 5010 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5011 if (mInjector.securityLogIsLoggingEnabled()) { 5012 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5013 /*method strength*/ 0); 5014 } 5015 } 5016 5017 @Override 5018 public void reportKeyguardDismissed(int userHandle) { 5019 enforceFullCrossUsersPermission(userHandle); 5020 mContext.enforceCallingOrSelfPermission( 5021 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5022 5023 if (mInjector.securityLogIsLoggingEnabled()) { 5024 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5025 } 5026 } 5027 5028 @Override 5029 public void reportKeyguardSecured(int userHandle) { 5030 enforceFullCrossUsersPermission(userHandle); 5031 mContext.enforceCallingOrSelfPermission( 5032 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5033 5034 if (mInjector.securityLogIsLoggingEnabled()) { 5035 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5036 } 5037 } 5038 5039 @Override 5040 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5041 String exclusionList) { 5042 if (!mHasFeature) { 5043 return null; 5044 } 5045 synchronized(this) { 5046 Preconditions.checkNotNull(who, "ComponentName is null"); 5047 5048 // Only check if system user has set global proxy. We don't allow other users to set it. 5049 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5050 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5051 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5052 5053 // Scan through active admins and find if anyone has already 5054 // set the global proxy. 5055 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5056 for (ComponentName component : compSet) { 5057 ActiveAdmin ap = policy.mAdminMap.get(component); 5058 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5059 // Another admin already sets the global proxy 5060 // Return it to the caller. 5061 return component; 5062 } 5063 } 5064 5065 // If the user is not system, don't set the global proxy. Fail silently. 5066 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5067 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5068 + UserHandle.getCallingUserId() + " is not permitted."); 5069 return null; 5070 } 5071 if (proxySpec == null) { 5072 admin.specifiesGlobalProxy = false; 5073 admin.globalProxySpec = null; 5074 admin.globalProxyExclusionList = null; 5075 } else { 5076 5077 admin.specifiesGlobalProxy = true; 5078 admin.globalProxySpec = proxySpec; 5079 admin.globalProxyExclusionList = exclusionList; 5080 } 5081 5082 // Reset the global proxy accordingly 5083 // Do this using system permissions, as apps cannot write to secure settings 5084 long origId = mInjector.binderClearCallingIdentity(); 5085 try { 5086 resetGlobalProxyLocked(policy); 5087 } finally { 5088 mInjector.binderRestoreCallingIdentity(origId); 5089 } 5090 return null; 5091 } 5092 } 5093 5094 @Override 5095 public ComponentName getGlobalProxyAdmin(int userHandle) { 5096 if (!mHasFeature) { 5097 return null; 5098 } 5099 enforceFullCrossUsersPermission(userHandle); 5100 synchronized(this) { 5101 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5102 // Scan through active admins and find if anyone has already 5103 // set the global proxy. 5104 final int N = policy.mAdminList.size(); 5105 for (int i = 0; i < N; i++) { 5106 ActiveAdmin ap = policy.mAdminList.get(i); 5107 if (ap.specifiesGlobalProxy) { 5108 // Device admin sets the global proxy 5109 // Return it to the caller. 5110 return ap.info.getComponent(); 5111 } 5112 } 5113 } 5114 // No device admin sets the global proxy. 5115 return null; 5116 } 5117 5118 @Override 5119 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5120 synchronized (this) { 5121 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5122 } 5123 long token = mInjector.binderClearCallingIdentity(); 5124 try { 5125 ConnectivityManager connectivityManager = (ConnectivityManager) 5126 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5127 connectivityManager.setGlobalProxy(proxyInfo); 5128 } finally { 5129 mInjector.binderRestoreCallingIdentity(token); 5130 } 5131 } 5132 5133 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5134 final int N = policy.mAdminList.size(); 5135 for (int i = 0; i < N; i++) { 5136 ActiveAdmin ap = policy.mAdminList.get(i); 5137 if (ap.specifiesGlobalProxy) { 5138 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5139 return; 5140 } 5141 } 5142 // No device admins defining global proxies - reset global proxy settings to none 5143 saveGlobalProxyLocked(null, null); 5144 } 5145 5146 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5147 if (exclusionList == null) { 5148 exclusionList = ""; 5149 } 5150 if (proxySpec == null) { 5151 proxySpec = ""; 5152 } 5153 // Remove white spaces 5154 proxySpec = proxySpec.trim(); 5155 String data[] = proxySpec.split(":"); 5156 int proxyPort = 8080; 5157 if (data.length > 1) { 5158 try { 5159 proxyPort = Integer.parseInt(data[1]); 5160 } catch (NumberFormatException e) {} 5161 } 5162 exclusionList = exclusionList.trim(); 5163 5164 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5165 if (!proxyProperties.isValid()) { 5166 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5167 return; 5168 } 5169 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5170 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5171 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5172 exclusionList); 5173 } 5174 5175 /** 5176 * Set the storage encryption request for a single admin. Returns the new total request 5177 * status (for all admins). 5178 */ 5179 @Override 5180 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5181 if (!mHasFeature) { 5182 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5183 } 5184 Preconditions.checkNotNull(who, "ComponentName is null"); 5185 final int userHandle = UserHandle.getCallingUserId(); 5186 synchronized (this) { 5187 // Check for permissions 5188 // Only system user can set storage encryption 5189 if (userHandle != UserHandle.USER_SYSTEM) { 5190 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5191 + UserHandle.getCallingUserId() + " is not permitted."); 5192 return 0; 5193 } 5194 5195 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5196 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5197 5198 // Quick exit: If the filesystem does not support encryption, we can exit early. 5199 if (!isEncryptionSupported()) { 5200 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5201 } 5202 5203 // (1) Record the value for the admin so it's sticky 5204 if (ap.encryptionRequested != encrypt) { 5205 ap.encryptionRequested = encrypt; 5206 saveSettingsLocked(userHandle); 5207 } 5208 5209 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5210 // (2) Compute "max" for all admins 5211 boolean newRequested = false; 5212 final int N = policy.mAdminList.size(); 5213 for (int i = 0; i < N; i++) { 5214 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5215 } 5216 5217 // Notify OS of new request 5218 setEncryptionRequested(newRequested); 5219 5220 // Return the new global request status 5221 return newRequested 5222 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5223 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5224 } 5225 } 5226 5227 /** 5228 * Get the current storage encryption request status for a given admin, or aggregate of all 5229 * active admins. 5230 */ 5231 @Override 5232 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5233 if (!mHasFeature) { 5234 return false; 5235 } 5236 enforceFullCrossUsersPermission(userHandle); 5237 synchronized (this) { 5238 // Check for permissions if a particular caller is specified 5239 if (who != null) { 5240 // When checking for a single caller, status is based on caller's request 5241 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5242 return ap != null ? ap.encryptionRequested : false; 5243 } 5244 5245 // If no particular caller is specified, return the aggregate set of requests. 5246 // This is short circuited by returning true on the first hit. 5247 DevicePolicyData policy = getUserData(userHandle); 5248 final int N = policy.mAdminList.size(); 5249 for (int i = 0; i < N; i++) { 5250 if (policy.mAdminList.get(i).encryptionRequested) { 5251 return true; 5252 } 5253 } 5254 return false; 5255 } 5256 } 5257 5258 /** 5259 * Get the current encryption status of the device. 5260 */ 5261 @Override 5262 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5263 if (!mHasFeature) { 5264 // Ok to return current status. 5265 } 5266 enforceFullCrossUsersPermission(userHandle); 5267 5268 // It's not critical here, but let's make sure the package name is correct, in case 5269 // we start using it for different purposes. 5270 ensureCallerPackage(callerPackage); 5271 5272 final ApplicationInfo ai; 5273 try { 5274 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5275 } catch (RemoteException e) { 5276 throw new SecurityException(e); 5277 } 5278 5279 boolean legacyApp = false; 5280 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5281 legacyApp = true; 5282 } 5283 5284 final int rawStatus = getEncryptionStatus(); 5285 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5286 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5287 } 5288 return rawStatus; 5289 } 5290 5291 /** 5292 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5293 */ 5294 private boolean isEncryptionSupported() { 5295 // Note, this can be implemented as 5296 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5297 // But is provided as a separate internal method if there's a faster way to do a 5298 // simple check for supported-or-not. 5299 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5300 } 5301 5302 /** 5303 * Hook to low-levels: Reporting the current status of encryption. 5304 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5305 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5306 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5307 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5308 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5309 */ 5310 private int getEncryptionStatus() { 5311 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5312 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5313 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5314 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5315 } else if (mInjector.storageManagerIsEncrypted()) { 5316 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5317 } else if (mInjector.storageManagerIsEncryptable()) { 5318 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5319 } else { 5320 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5321 } 5322 } 5323 5324 /** 5325 * Hook to low-levels: If needed, record the new admin setting for encryption. 5326 */ 5327 private void setEncryptionRequested(boolean encrypt) { 5328 } 5329 5330 /** 5331 * Set whether the screen capture is disabled for the user managed by the specified admin. 5332 */ 5333 @Override 5334 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5335 if (!mHasFeature) { 5336 return; 5337 } 5338 Preconditions.checkNotNull(who, "ComponentName is null"); 5339 final int userHandle = UserHandle.getCallingUserId(); 5340 synchronized (this) { 5341 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5342 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5343 if (ap.disableScreenCapture != disabled) { 5344 ap.disableScreenCapture = disabled; 5345 saveSettingsLocked(userHandle); 5346 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5347 } 5348 } 5349 } 5350 5351 /** 5352 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5353 * active admin (if given admin is null). 5354 */ 5355 @Override 5356 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5357 if (!mHasFeature) { 5358 return false; 5359 } 5360 synchronized (this) { 5361 if (who != null) { 5362 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5363 return (admin != null) ? admin.disableScreenCapture : false; 5364 } 5365 5366 DevicePolicyData policy = getUserData(userHandle); 5367 final int N = policy.mAdminList.size(); 5368 for (int i = 0; i < N; i++) { 5369 ActiveAdmin admin = policy.mAdminList.get(i); 5370 if (admin.disableScreenCapture) { 5371 return true; 5372 } 5373 } 5374 return false; 5375 } 5376 } 5377 5378 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5379 final boolean disabled) { 5380 mHandler.post(new Runnable() { 5381 @Override 5382 public void run() { 5383 try { 5384 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5385 } catch (RemoteException e) { 5386 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5387 } 5388 } 5389 }); 5390 } 5391 5392 /** 5393 * Set whether auto time is required by the specified admin (must be device owner). 5394 */ 5395 @Override 5396 public void setAutoTimeRequired(ComponentName who, boolean required) { 5397 if (!mHasFeature) { 5398 return; 5399 } 5400 Preconditions.checkNotNull(who, "ComponentName is null"); 5401 final int userHandle = UserHandle.getCallingUserId(); 5402 synchronized (this) { 5403 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5404 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5405 if (admin.requireAutoTime != required) { 5406 admin.requireAutoTime = required; 5407 saveSettingsLocked(userHandle); 5408 } 5409 } 5410 5411 // Turn AUTO_TIME on in settings if it is required 5412 if (required) { 5413 long ident = mInjector.binderClearCallingIdentity(); 5414 try { 5415 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5416 } finally { 5417 mInjector.binderRestoreCallingIdentity(ident); 5418 } 5419 } 5420 } 5421 5422 /** 5423 * Returns whether or not auto time is required by the device owner. 5424 */ 5425 @Override 5426 public boolean getAutoTimeRequired() { 5427 if (!mHasFeature) { 5428 return false; 5429 } 5430 synchronized (this) { 5431 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5432 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5433 } 5434 } 5435 5436 @Override 5437 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5438 if (!mHasFeature) { 5439 return; 5440 } 5441 Preconditions.checkNotNull(who, "ComponentName is null"); 5442 // Allow setting this policy to true only if there is a split system user. 5443 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5444 throw new UnsupportedOperationException( 5445 "Cannot force ephemeral users on systems without split system user."); 5446 } 5447 boolean removeAllUsers = false; 5448 synchronized (this) { 5449 final ActiveAdmin deviceOwner = 5450 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5451 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5452 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5453 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5454 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5455 removeAllUsers = forceEphemeralUsers; 5456 } 5457 } 5458 if (removeAllUsers) { 5459 long identitity = mInjector.binderClearCallingIdentity(); 5460 try { 5461 mUserManagerInternal.removeAllUsers(); 5462 } finally { 5463 mInjector.binderRestoreCallingIdentity(identitity); 5464 } 5465 } 5466 } 5467 5468 @Override 5469 public boolean getForceEphemeralUsers(ComponentName who) { 5470 if (!mHasFeature) { 5471 return false; 5472 } 5473 Preconditions.checkNotNull(who, "ComponentName is null"); 5474 synchronized (this) { 5475 final ActiveAdmin deviceOwner = 5476 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5477 return deviceOwner.forceEphemeralUsers; 5478 } 5479 } 5480 5481 private boolean isDeviceOwnerManagedSingleUserDevice() { 5482 synchronized (this) { 5483 if (!mOwners.hasDeviceOwner()) { 5484 return false; 5485 } 5486 } 5487 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5488 try { 5489 if (mInjector.userManagerIsSplitSystemUser()) { 5490 // In split system user mode, only allow the case where the device owner is managing 5491 // the only non-system user of the device 5492 return (mUserManager.getUserCount() == 2 5493 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5494 } else { 5495 return mUserManager.getUserCount() == 1; 5496 } 5497 } finally { 5498 mInjector.binderRestoreCallingIdentity(callingIdentity); 5499 } 5500 } 5501 5502 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5503 synchronized (this) { 5504 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5505 } 5506 if (!isDeviceOwnerManagedSingleUserDevice()) { 5507 throw new SecurityException( 5508 "There should only be one user, managed by Device Owner"); 5509 } 5510 } 5511 5512 @Override 5513 public boolean requestBugreport(ComponentName who) { 5514 if (!mHasFeature) { 5515 return false; 5516 } 5517 Preconditions.checkNotNull(who, "ComponentName is null"); 5518 ensureDeviceOwnerManagingSingleUser(who); 5519 5520 if (mRemoteBugreportServiceIsActive.get() 5521 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5522 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5523 return false; 5524 } 5525 5526 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5527 try { 5528 ActivityManagerNative.getDefault().requestBugReport( 5529 ActivityManager.BUGREPORT_OPTION_REMOTE); 5530 5531 mRemoteBugreportServiceIsActive.set(true); 5532 mRemoteBugreportSharingAccepted.set(false); 5533 registerRemoteBugreportReceivers(); 5534 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5535 RemoteBugreportUtils.buildNotification(mContext, 5536 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5537 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5538 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5539 return true; 5540 } catch (RemoteException re) { 5541 // should never happen 5542 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5543 return false; 5544 } finally { 5545 mInjector.binderRestoreCallingIdentity(callingIdentity); 5546 } 5547 } 5548 5549 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5550 Intent intent = new Intent(action); 5551 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5552 if (extras != null) { 5553 intent.putExtras(extras); 5554 } 5555 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5556 } 5557 5558 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5559 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5560 } 5561 5562 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5563 String bugreportHash) { 5564 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5565 } 5566 5567 private void registerRemoteBugreportReceivers() { 5568 try { 5569 IntentFilter filterFinished = new IntentFilter( 5570 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5571 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5572 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5573 } catch (IntentFilter.MalformedMimeTypeException e) { 5574 // should never happen, as setting a constant 5575 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5576 } 5577 IntentFilter filterConsent = new IntentFilter(); 5578 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5579 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5580 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5581 } 5582 5583 private void onBugreportFinished(Intent intent) { 5584 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5585 mRemoteBugreportServiceIsActive.set(false); 5586 Uri bugreportUri = intent.getData(); 5587 String bugreportUriString = null; 5588 if (bugreportUri != null) { 5589 bugreportUriString = bugreportUri.toString(); 5590 } 5591 String bugreportHash = intent.getStringExtra( 5592 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5593 if (mRemoteBugreportSharingAccepted.get()) { 5594 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5595 mInjector.getNotificationManager().cancel(LOG_TAG, 5596 RemoteBugreportUtils.NOTIFICATION_ID); 5597 } else { 5598 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5599 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5600 RemoteBugreportUtils.buildNotification(mContext, 5601 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5602 UserHandle.ALL); 5603 } 5604 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5605 } 5606 5607 private void onBugreportFailed() { 5608 mRemoteBugreportServiceIsActive.set(false); 5609 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5610 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5611 mRemoteBugreportSharingAccepted.set(false); 5612 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5613 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5614 Bundle extras = new Bundle(); 5615 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5616 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5617 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5618 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5619 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5620 } 5621 5622 private void onBugreportSharingAccepted() { 5623 mRemoteBugreportSharingAccepted.set(true); 5624 String bugreportUriString = null; 5625 String bugreportHash = null; 5626 synchronized (this) { 5627 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5628 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5629 } 5630 if (bugreportUriString != null) { 5631 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5632 } else if (mRemoteBugreportServiceIsActive.get()) { 5633 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5634 RemoteBugreportUtils.buildNotification(mContext, 5635 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5636 UserHandle.ALL); 5637 } 5638 } 5639 5640 private void onBugreportSharingDeclined() { 5641 if (mRemoteBugreportServiceIsActive.get()) { 5642 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5643 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5644 mRemoteBugreportServiceIsActive.set(false); 5645 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5646 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5647 } 5648 mRemoteBugreportSharingAccepted.set(false); 5649 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5650 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5651 } 5652 5653 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5654 String bugreportHash) { 5655 ParcelFileDescriptor pfd = null; 5656 try { 5657 if (bugreportUriString == null) { 5658 throw new FileNotFoundException(); 5659 } 5660 Uri bugreportUri = Uri.parse(bugreportUriString); 5661 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5662 5663 synchronized (this) { 5664 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5665 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5666 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5667 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5668 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5669 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5670 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5671 } 5672 } catch (FileNotFoundException e) { 5673 Bundle extras = new Bundle(); 5674 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5675 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5676 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5677 } finally { 5678 try { 5679 if (pfd != null) { 5680 pfd.close(); 5681 } 5682 } catch (IOException ex) { 5683 // Ignore 5684 } 5685 mRemoteBugreportSharingAccepted.set(false); 5686 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5687 } 5688 } 5689 5690 /** 5691 * Disables all device cameras according to the specified admin. 5692 */ 5693 @Override 5694 public void setCameraDisabled(ComponentName who, boolean disabled) { 5695 if (!mHasFeature) { 5696 return; 5697 } 5698 Preconditions.checkNotNull(who, "ComponentName is null"); 5699 final int userHandle = mInjector.userHandleGetCallingUserId(); 5700 synchronized (this) { 5701 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5702 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5703 if (ap.disableCamera != disabled) { 5704 ap.disableCamera = disabled; 5705 saveSettingsLocked(userHandle); 5706 } 5707 } 5708 // Tell the user manager that the restrictions have changed. 5709 pushUserRestrictions(userHandle); 5710 } 5711 5712 /** 5713 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5714 * active admins. 5715 */ 5716 @Override 5717 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5718 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5719 } 5720 5721 private boolean getCameraDisabled(ComponentName who, int userHandle, 5722 boolean mergeDeviceOwnerRestriction) { 5723 if (!mHasFeature) { 5724 return false; 5725 } 5726 synchronized (this) { 5727 if (who != null) { 5728 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5729 return (admin != null) ? admin.disableCamera : false; 5730 } 5731 // First, see if DO has set it. If so, it's device-wide. 5732 if (mergeDeviceOwnerRestriction) { 5733 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5734 if (deviceOwner != null && deviceOwner.disableCamera) { 5735 return true; 5736 } 5737 } 5738 5739 // Then check each device admin on the user. 5740 DevicePolicyData policy = getUserData(userHandle); 5741 // Determine whether or not the device camera is disabled for any active admins. 5742 final int N = policy.mAdminList.size(); 5743 for (int i = 0; i < N; i++) { 5744 ActiveAdmin admin = policy.mAdminList.get(i); 5745 if (admin.disableCamera) { 5746 return true; 5747 } 5748 } 5749 return false; 5750 } 5751 } 5752 5753 @Override 5754 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5755 if (!mHasFeature) { 5756 return; 5757 } 5758 Preconditions.checkNotNull(who, "ComponentName is null"); 5759 final int userHandle = mInjector.userHandleGetCallingUserId(); 5760 if (isManagedProfile(userHandle)) { 5761 if (parent) { 5762 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5763 } else { 5764 which = which & PROFILE_KEYGUARD_FEATURES; 5765 } 5766 } 5767 synchronized (this) { 5768 ActiveAdmin ap = getActiveAdminForCallerLocked( 5769 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5770 if (ap.disabledKeyguardFeatures != which) { 5771 ap.disabledKeyguardFeatures = which; 5772 saveSettingsLocked(userHandle); 5773 } 5774 } 5775 } 5776 5777 /** 5778 * Gets the disabled state for features in keyguard for the given admin, 5779 * or the aggregate of all active admins if who is null. 5780 */ 5781 @Override 5782 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5783 if (!mHasFeature) { 5784 return 0; 5785 } 5786 enforceFullCrossUsersPermission(userHandle); 5787 final long ident = mInjector.binderClearCallingIdentity(); 5788 try { 5789 synchronized (this) { 5790 if (who != null) { 5791 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5792 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5793 } 5794 5795 final List<ActiveAdmin> admins; 5796 if (!parent && isManagedProfile(userHandle)) { 5797 // If we are being asked about a managed profile, just return keyguard features 5798 // disabled by admins in the profile. 5799 admins = getUserDataUnchecked(userHandle).mAdminList; 5800 } else { 5801 // Otherwise return those set by admins in the user and its profiles. 5802 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5803 } 5804 5805 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5806 final int N = admins.size(); 5807 for (int i = 0; i < N; i++) { 5808 ActiveAdmin admin = admins.get(i); 5809 int userId = admin.getUserHandle().getIdentifier(); 5810 boolean isRequestedUser = !parent && (userId == userHandle); 5811 if (isRequestedUser || !isManagedProfile(userId)) { 5812 // If we are being asked explicitly about this user 5813 // return all disabled features even if its a managed profile. 5814 which |= admin.disabledKeyguardFeatures; 5815 } else { 5816 // Otherwise a managed profile is only allowed to disable 5817 // some features on the parent user. 5818 which |= (admin.disabledKeyguardFeatures 5819 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5820 } 5821 } 5822 return which; 5823 } 5824 } finally { 5825 mInjector.binderRestoreCallingIdentity(ident); 5826 } 5827 } 5828 5829 @Override 5830 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5831 if (!mHasFeature) { 5832 return; 5833 } 5834 Preconditions.checkNotNull(who, "ComponentName is null"); 5835 Preconditions.checkNotNull(packageList, "packageList is null"); 5836 final int userHandle = UserHandle.getCallingUserId(); 5837 synchronized (this) { 5838 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5839 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5840 admin.keepUninstalledPackages = packageList; 5841 saveSettingsLocked(userHandle); 5842 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5843 } 5844 } 5845 5846 @Override 5847 public List<String> getKeepUninstalledPackages(ComponentName who) { 5848 Preconditions.checkNotNull(who, "ComponentName is null"); 5849 if (!mHasFeature) { 5850 return null; 5851 } 5852 // TODO In split system user mode, allow apps on user 0 to query the list 5853 synchronized (this) { 5854 // Check if this is the device owner who is calling 5855 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5856 return getKeepUninstalledPackagesLocked(); 5857 } 5858 } 5859 5860 private List<String> getKeepUninstalledPackagesLocked() { 5861 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5862 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5863 } 5864 5865 @Override 5866 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5867 if (!mHasFeature) { 5868 return false; 5869 } 5870 if (admin == null 5871 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5872 throw new IllegalArgumentException("Invalid component " + admin 5873 + " for device owner"); 5874 } 5875 synchronized (this) { 5876 enforceCanSetDeviceOwnerLocked(admin, userId); 5877 if (getActiveAdminUncheckedLocked(admin, userId) == null 5878 || getUserData(userId).mRemovingAdmins.contains(admin)) { 5879 throw new IllegalArgumentException("Not active admin: " + admin); 5880 } 5881 5882 // Shutting down backup manager service permanently. 5883 long ident = mInjector.binderClearCallingIdentity(); 5884 try { 5885 if (mInjector.getIBackupManager() != null) { 5886 mInjector.getIBackupManager() 5887 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5888 } 5889 } catch (RemoteException e) { 5890 throw new IllegalStateException("Failed deactivating backup service.", e); 5891 } finally { 5892 mInjector.binderRestoreCallingIdentity(ident); 5893 } 5894 5895 mOwners.setDeviceOwner(admin, ownerName, userId); 5896 mOwners.writeDeviceOwner(); 5897 updateDeviceOwnerLocked(); 5898 setDeviceOwnerSystemPropertyLocked(); 5899 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5900 5901 ident = mInjector.binderClearCallingIdentity(); 5902 try { 5903 // TODO Send to system too? 5904 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5905 } finally { 5906 mInjector.binderRestoreCallingIdentity(ident); 5907 } 5908 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 5909 return true; 5910 } 5911 } 5912 5913 public boolean isDeviceOwner(ComponentName who, int userId) { 5914 synchronized (this) { 5915 return mOwners.hasDeviceOwner() 5916 && mOwners.getDeviceOwnerUserId() == userId 5917 && mOwners.getDeviceOwnerComponent().equals(who); 5918 } 5919 } 5920 5921 public boolean isProfileOwner(ComponentName who, int userId) { 5922 final ComponentName profileOwner = getProfileOwner(userId); 5923 return who != null && who.equals(profileOwner); 5924 } 5925 5926 @Override 5927 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5928 if (!mHasFeature) { 5929 return null; 5930 } 5931 if (!callingUserOnly) { 5932 enforceManageUsers(); 5933 } 5934 synchronized (this) { 5935 if (!mOwners.hasDeviceOwner()) { 5936 return null; 5937 } 5938 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5939 mOwners.getDeviceOwnerUserId()) { 5940 return null; 5941 } 5942 return mOwners.getDeviceOwnerComponent(); 5943 } 5944 } 5945 5946 @Override 5947 public int getDeviceOwnerUserId() { 5948 if (!mHasFeature) { 5949 return UserHandle.USER_NULL; 5950 } 5951 enforceManageUsers(); 5952 synchronized (this) { 5953 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5954 } 5955 } 5956 5957 /** 5958 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5959 * MANAGE_USERS. 5960 */ 5961 @Override 5962 public String getDeviceOwnerName() { 5963 if (!mHasFeature) { 5964 return null; 5965 } 5966 enforceManageUsers(); 5967 synchronized (this) { 5968 if (!mOwners.hasDeviceOwner()) { 5969 return null; 5970 } 5971 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5972 // Should setDeviceOwner/ProfileOwner still take a name? 5973 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5974 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5975 } 5976 } 5977 5978 // Returns the active device owner or null if there is no device owner. 5979 @VisibleForTesting 5980 ActiveAdmin getDeviceOwnerAdminLocked() { 5981 ComponentName component = mOwners.getDeviceOwnerComponent(); 5982 if (component == null) { 5983 return null; 5984 } 5985 5986 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5987 final int n = policy.mAdminList.size(); 5988 for (int i = 0; i < n; i++) { 5989 ActiveAdmin admin = policy.mAdminList.get(i); 5990 if (component.equals(admin.info.getComponent())) { 5991 return admin; 5992 } 5993 } 5994 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5995 return null; 5996 } 5997 5998 @Override 5999 public void clearDeviceOwner(String packageName) { 6000 Preconditions.checkNotNull(packageName, "packageName is null"); 6001 final int callingUid = mInjector.binderGetCallingUid(); 6002 try { 6003 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 6004 UserHandle.getUserId(callingUid)); 6005 if (uid != callingUid) { 6006 throw new SecurityException("Invalid packageName"); 6007 } 6008 } catch (NameNotFoundException e) { 6009 throw new SecurityException(e); 6010 } 6011 synchronized (this) { 6012 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6013 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6014 if (!mOwners.hasDeviceOwner() 6015 || !deviceOwnerComponent.getPackageName().equals(packageName) 6016 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6017 throw new SecurityException( 6018 "clearDeviceOwner can only be called by the device owner"); 6019 } 6020 enforceUserUnlocked(deviceOwnerUserId); 6021 6022 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6023 long ident = mInjector.binderClearCallingIdentity(); 6024 try { 6025 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6026 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6027 } finally { 6028 mInjector.binderRestoreCallingIdentity(ident); 6029 } 6030 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6031 } 6032 } 6033 6034 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6035 if (admin != null) { 6036 admin.disableCamera = false; 6037 admin.userRestrictions = null; 6038 admin.forceEphemeralUsers = false; 6039 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6040 } 6041 clearUserPoliciesLocked(userId); 6042 6043 mOwners.clearDeviceOwner(); 6044 mOwners.writeDeviceOwner(); 6045 updateDeviceOwnerLocked(); 6046 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 6047 try { 6048 if (mInjector.getIBackupManager() != null) { 6049 // Reactivate backup service. 6050 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6051 } 6052 } catch (RemoteException e) { 6053 throw new IllegalStateException("Failed reactivating backup service.", e); 6054 } 6055 } 6056 6057 @Override 6058 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6059 if (!mHasFeature) { 6060 return false; 6061 } 6062 if (who == null 6063 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6064 throw new IllegalArgumentException("Component " + who 6065 + " not installed for userId:" + userHandle); 6066 } 6067 synchronized (this) { 6068 enforceCanSetProfileOwnerLocked(who, userHandle); 6069 6070 if (getActiveAdminUncheckedLocked(who, userHandle) == null 6071 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6072 throw new IllegalArgumentException("Not active admin: " + who); 6073 } 6074 6075 mOwners.setProfileOwner(who, ownerName, userHandle); 6076 mOwners.writeProfileOwner(userHandle); 6077 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6078 return true; 6079 } 6080 } 6081 6082 @Override 6083 public void clearProfileOwner(ComponentName who) { 6084 if (!mHasFeature) { 6085 return; 6086 } 6087 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 6088 final int userId = callingUser.getIdentifier(); 6089 enforceNotManagedProfile(userId, "clear profile owner"); 6090 enforceUserUnlocked(userId); 6091 // Check if this is the profile owner who is calling 6092 final ActiveAdmin admin = 6093 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6094 synchronized (this) { 6095 final long ident = mInjector.binderClearCallingIdentity(); 6096 try { 6097 clearProfileOwnerLocked(admin, userId); 6098 removeActiveAdminLocked(who, userId); 6099 } finally { 6100 mInjector.binderRestoreCallingIdentity(ident); 6101 } 6102 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6103 } 6104 } 6105 6106 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6107 if (admin != null) { 6108 admin.disableCamera = false; 6109 admin.userRestrictions = null; 6110 } 6111 clearUserPoliciesLocked(userId); 6112 mOwners.removeProfileOwner(userId); 6113 mOwners.writeProfileOwner(userId); 6114 } 6115 6116 @Override 6117 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6118 Preconditions.checkNotNull(who, "ComponentName is null"); 6119 if (!mHasFeature) { 6120 return; 6121 } 6122 6123 synchronized (this) { 6124 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6125 long token = mInjector.binderClearCallingIdentity(); 6126 try { 6127 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6128 } finally { 6129 mInjector.binderRestoreCallingIdentity(token); 6130 } 6131 } 6132 } 6133 6134 @Override 6135 public CharSequence getDeviceOwnerLockScreenInfo() { 6136 return mLockPatternUtils.getDeviceOwnerInfo(); 6137 } 6138 6139 private void clearUserPoliciesLocked(int userId) { 6140 // Reset some of the user-specific policies 6141 DevicePolicyData policy = getUserData(userId); 6142 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6143 policy.mDelegatedCertInstallerPackage = null; 6144 policy.mApplicationRestrictionsManagingPackage = null; 6145 policy.mStatusBarDisabled = false; 6146 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6147 saveSettingsLocked(userId); 6148 6149 try { 6150 mIPackageManager.updatePermissionFlagsForAllApps( 6151 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6152 0 /* flagValues */, userId); 6153 pushUserRestrictions(userId); 6154 } catch (RemoteException re) { 6155 // Shouldn't happen. 6156 } 6157 } 6158 6159 @Override 6160 public boolean hasUserSetupCompleted() { 6161 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6162 } 6163 6164 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6165 // completing Setup Wizard, and pairing involves transferring user data, calling 6166 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6167 private boolean hasUserSetupCompleted(int userHandle) { 6168 if (!mHasFeature) { 6169 return true; 6170 } 6171 return getUserData(userHandle).mUserSetupComplete; 6172 } 6173 6174 private boolean hasPaired(int userHandle) { 6175 if (!mHasFeature) { 6176 return true; 6177 } 6178 return getUserData(userHandle).mPaired; 6179 } 6180 6181 @Override 6182 public int getUserProvisioningState() { 6183 if (!mHasFeature) { 6184 return DevicePolicyManager.STATE_USER_UNMANAGED; 6185 } 6186 int userHandle = mInjector.userHandleGetCallingUserId(); 6187 return getUserProvisioningState(userHandle); 6188 } 6189 6190 private int getUserProvisioningState(int userHandle) { 6191 return getUserData(userHandle).mUserProvisioningState; 6192 } 6193 6194 @Override 6195 public void setUserProvisioningState(int newState, int userHandle) { 6196 if (!mHasFeature) { 6197 return; 6198 } 6199 6200 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6201 && getManagedUserId(userHandle) == -1) { 6202 // No managed device, user or profile, so setting provisioning state makes no sense. 6203 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6204 + "device or profile owner is set."); 6205 } 6206 6207 synchronized (this) { 6208 boolean transitionCheckNeeded = true; 6209 6210 // Calling identity/permission checks. 6211 final int callingUid = mInjector.binderGetCallingUid(); 6212 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6213 // ADB shell can only move directly from un-managed to finalized as part of directly 6214 // setting profile-owner or device-owner. 6215 if (getUserProvisioningState(userHandle) != 6216 DevicePolicyManager.STATE_USER_UNMANAGED 6217 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6218 throw new IllegalStateException("Not allowed to change provisioning state " 6219 + "unless current provisioning state is unmanaged, and new state is " 6220 + "finalized."); 6221 } 6222 transitionCheckNeeded = false; 6223 } else { 6224 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6225 enforceCanManageProfileAndDeviceOwners(); 6226 } 6227 6228 final DevicePolicyData policyData = getUserData(userHandle); 6229 if (transitionCheckNeeded) { 6230 // Optional state transition check for non-ADB case. 6231 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6232 } 6233 policyData.mUserProvisioningState = newState; 6234 saveSettingsLocked(userHandle); 6235 } 6236 } 6237 6238 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6239 // Valid transitions for normal use-cases. 6240 switch (currentState) { 6241 case DevicePolicyManager.STATE_USER_UNMANAGED: 6242 // Can move to any state from unmanaged (except itself as an edge case).. 6243 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6244 return; 6245 } 6246 break; 6247 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6248 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6249 // Can only move to finalized from these states. 6250 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6251 return; 6252 } 6253 break; 6254 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6255 // Current user has a managed-profile, but current user is not managed, so 6256 // rather than moving to finalized state, go back to unmanaged once 6257 // profile provisioning is complete. 6258 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6259 return; 6260 } 6261 break; 6262 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6263 // Cannot transition out of finalized. 6264 break; 6265 } 6266 6267 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6268 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6269 + "from state [" + currentState + "]"); 6270 } 6271 6272 @Override 6273 public void setProfileEnabled(ComponentName who) { 6274 if (!mHasFeature) { 6275 return; 6276 } 6277 Preconditions.checkNotNull(who, "ComponentName is null"); 6278 synchronized (this) { 6279 // Check if this is the profile owner who is calling 6280 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6281 final int userId = UserHandle.getCallingUserId(); 6282 enforceManagedProfile(userId, "enable the profile"); 6283 6284 long id = mInjector.binderClearCallingIdentity(); 6285 try { 6286 mUserManager.setUserEnabled(userId); 6287 UserInfo parent = mUserManager.getProfileParent(userId); 6288 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6289 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6290 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6291 Intent.FLAG_RECEIVER_FOREGROUND); 6292 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6293 } finally { 6294 mInjector.binderRestoreCallingIdentity(id); 6295 } 6296 } 6297 } 6298 6299 @Override 6300 public void setProfileName(ComponentName who, String profileName) { 6301 Preconditions.checkNotNull(who, "ComponentName is null"); 6302 int userId = UserHandle.getCallingUserId(); 6303 // Check if this is the profile owner (includes device owner). 6304 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6305 6306 long id = mInjector.binderClearCallingIdentity(); 6307 try { 6308 mUserManager.setUserName(userId, profileName); 6309 } finally { 6310 mInjector.binderRestoreCallingIdentity(id); 6311 } 6312 } 6313 6314 @Override 6315 public ComponentName getProfileOwner(int userHandle) { 6316 if (!mHasFeature) { 6317 return null; 6318 } 6319 6320 synchronized (this) { 6321 return mOwners.getProfileOwnerComponent(userHandle); 6322 } 6323 } 6324 6325 // Returns the active profile owner for this user or null if the current user has no 6326 // profile owner. 6327 @VisibleForTesting 6328 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6329 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6330 if (profileOwner == null) { 6331 return null; 6332 } 6333 DevicePolicyData policy = getUserData(userHandle); 6334 final int n = policy.mAdminList.size(); 6335 for (int i = 0; i < n; i++) { 6336 ActiveAdmin admin = policy.mAdminList.get(i); 6337 if (profileOwner.equals(admin.info.getComponent())) { 6338 return admin; 6339 } 6340 } 6341 return null; 6342 } 6343 6344 @Override 6345 public String getProfileOwnerName(int userHandle) { 6346 if (!mHasFeature) { 6347 return null; 6348 } 6349 enforceManageUsers(); 6350 ComponentName profileOwner = getProfileOwner(userHandle); 6351 if (profileOwner == null) { 6352 return null; 6353 } 6354 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6355 } 6356 6357 /** 6358 * Canonical name for a given package. 6359 */ 6360 private String getApplicationLabel(String packageName, int userHandle) { 6361 long token = mInjector.binderClearCallingIdentity(); 6362 try { 6363 final Context userContext; 6364 try { 6365 UserHandle handle = new UserHandle(userHandle); 6366 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6367 } catch (PackageManager.NameNotFoundException nnfe) { 6368 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6369 return null; 6370 } 6371 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6372 CharSequence result = null; 6373 if (appInfo != null) { 6374 PackageManager pm = userContext.getPackageManager(); 6375 result = pm.getApplicationLabel(appInfo); 6376 } 6377 return result != null ? result.toString() : null; 6378 } finally { 6379 mInjector.binderRestoreCallingIdentity(token); 6380 } 6381 } 6382 6383 /** 6384 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6385 * permission. 6386 * The profile owner can only be set before the user setup phase has completed, 6387 * except for: 6388 * - SYSTEM_UID 6389 * - adb if there are no accounts. (But see {@link #hasIncompatibleAccountsLocked}) 6390 */ 6391 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle) { 6392 UserInfo info = getUserInfo(userHandle); 6393 if (info == null) { 6394 // User doesn't exist. 6395 throw new IllegalArgumentException( 6396 "Attempted to set profile owner for invalid userId: " + userHandle); 6397 } 6398 if (info.isGuest()) { 6399 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6400 } 6401 if (mOwners.hasProfileOwner(userHandle)) { 6402 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6403 + "is already set."); 6404 } 6405 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6406 throw new IllegalStateException("Trying to set the profile owner, but the user " 6407 + "already has a device owner."); 6408 } 6409 int callingUid = mInjector.binderGetCallingUid(); 6410 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6411 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 6412 && hasIncompatibleAccountsLocked(userHandle, owner)) { 6413 throw new IllegalStateException("Not allowed to set the profile owner because " 6414 + "there are already some accounts on the profile"); 6415 } 6416 return; 6417 } 6418 enforceCanManageProfileAndDeviceOwners(); 6419 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 6420 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6421 + "already set-up"); 6422 } 6423 } 6424 6425 /** 6426 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6427 * permission. 6428 */ 6429 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId) { 6430 int callingUid = mInjector.binderGetCallingUid(); 6431 boolean isAdb = callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 6432 if (!isAdb) { 6433 enforceCanManageProfileAndDeviceOwners(); 6434 } 6435 6436 final int code = checkSetDeviceOwnerPreConditionLocked(owner, userId, isAdb); 6437 switch (code) { 6438 case CODE_OK: 6439 return; 6440 case CODE_HAS_DEVICE_OWNER: 6441 throw new IllegalStateException( 6442 "Trying to set the device owner, but device owner is already set."); 6443 case CODE_USER_HAS_PROFILE_OWNER: 6444 throw new IllegalStateException("Trying to set the device owner, but the user " 6445 + "already has a profile owner."); 6446 case CODE_USER_NOT_RUNNING: 6447 throw new IllegalStateException("User not running: " + userId); 6448 case CODE_NOT_SYSTEM_USER: 6449 throw new IllegalStateException("User is not system user"); 6450 case CODE_USER_SETUP_COMPLETED: 6451 throw new IllegalStateException( 6452 "Cannot set the device owner if the device is already set-up"); 6453 case CODE_NONSYSTEM_USER_EXISTS: 6454 throw new IllegalStateException("Not allowed to set the device owner because there " 6455 + "are already several users on the device"); 6456 case CODE_ACCOUNTS_NOT_EMPTY: 6457 throw new IllegalStateException("Not allowed to set the device owner because there " 6458 + "are already some accounts on the device"); 6459 case CODE_HAS_PAIRED: 6460 throw new IllegalStateException("Not allowed to set the device owner because this " 6461 + "device has already paired"); 6462 default: 6463 throw new IllegalStateException("Unknown @DeviceOwnerPreConditionCode " + code); 6464 } 6465 } 6466 6467 private void enforceUserUnlocked(int userId) { 6468 // Since we're doing this operation on behalf of an app, we only 6469 // want to use the actual "unlocked" state. 6470 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6471 "User must be running and unlocked"); 6472 } 6473 6474 private void enforceUserUnlocked(int userId, boolean parent) { 6475 if (parent) { 6476 enforceUserUnlocked(getProfileParentId(userId)); 6477 } else { 6478 enforceUserUnlocked(userId); 6479 } 6480 } 6481 6482 private void enforceManageUsers() { 6483 final int callingUid = mInjector.binderGetCallingUid(); 6484 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6485 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6486 } 6487 } 6488 6489 private void enforceFullCrossUsersPermission(int userHandle) { 6490 enforceSystemUserOrPermission(userHandle, 6491 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6492 } 6493 6494 private void enforceCrossUsersPermission(int userHandle) { 6495 enforceSystemUserOrPermission(userHandle, 6496 android.Manifest.permission.INTERACT_ACROSS_USERS); 6497 } 6498 6499 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6500 if (userHandle < 0) { 6501 throw new IllegalArgumentException("Invalid userId " + userHandle); 6502 } 6503 final int callingUid = mInjector.binderGetCallingUid(); 6504 if (userHandle == UserHandle.getUserId(callingUid)) { 6505 return; 6506 } 6507 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6508 mContext.enforceCallingOrSelfPermission(permission, 6509 "Must be system or have " + permission + " permission"); 6510 } 6511 } 6512 6513 private void enforceManagedProfile(int userHandle, String message) { 6514 if(!isManagedProfile(userHandle)) { 6515 throw new SecurityException("You can not " + message + " outside a managed profile."); 6516 } 6517 } 6518 6519 private void enforceNotManagedProfile(int userHandle, String message) { 6520 if(isManagedProfile(userHandle)) { 6521 throw new SecurityException("You can not " + message + " for a managed profile."); 6522 } 6523 } 6524 6525 private void ensureCallerPackage(@Nullable String packageName) { 6526 if (packageName == null) { 6527 Preconditions.checkState(isCallerWithSystemUid(), 6528 "Only caller can omit package name"); 6529 } else { 6530 final int callingUid = mInjector.binderGetCallingUid(); 6531 final int userId = mInjector.userHandleGetCallingUserId(); 6532 try { 6533 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6534 packageName, 0, userId); 6535 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6536 } catch (RemoteException e) { 6537 // Shouldn't happen 6538 } 6539 } 6540 } 6541 6542 private boolean isCallerWithSystemUid() { 6543 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6544 } 6545 6546 private int getProfileParentId(int userHandle) { 6547 final long ident = mInjector.binderClearCallingIdentity(); 6548 try { 6549 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6550 return parentUser != null ? parentUser.id : userHandle; 6551 } finally { 6552 mInjector.binderRestoreCallingIdentity(ident); 6553 } 6554 } 6555 6556 private int getCredentialOwner(int userHandle, boolean parent) { 6557 final long ident = mInjector.binderClearCallingIdentity(); 6558 try { 6559 if (parent) { 6560 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6561 if (parentProfile != null) { 6562 userHandle = parentProfile.id; 6563 } 6564 } 6565 return mUserManager.getCredentialOwnerProfile(userHandle); 6566 } finally { 6567 mInjector.binderRestoreCallingIdentity(ident); 6568 } 6569 } 6570 6571 private boolean isManagedProfile(int userHandle) { 6572 return getUserInfo(userHandle).isManagedProfile(); 6573 } 6574 6575 private void enableIfNecessary(String packageName, int userId) { 6576 try { 6577 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6578 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6579 userId); 6580 if (ai.enabledSetting 6581 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6582 mIPackageManager.setApplicationEnabledSetting(packageName, 6583 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6584 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6585 } 6586 } catch (RemoteException e) { 6587 } 6588 } 6589 6590 @Override 6591 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6592 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6593 != PackageManager.PERMISSION_GRANTED) { 6594 6595 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6596 + mInjector.binderGetCallingPid() 6597 + ", uid=" + mInjector.binderGetCallingUid()); 6598 return; 6599 } 6600 6601 synchronized (this) { 6602 pw.println("Current Device Policy Manager state:"); 6603 mOwners.dump(" ", pw); 6604 int userCount = mUserData.size(); 6605 for (int u = 0; u < userCount; u++) { 6606 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6607 pw.println(); 6608 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6609 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6610 final int N = policy.mAdminList.size(); 6611 for (int i=0; i<N; i++) { 6612 ActiveAdmin ap = policy.mAdminList.get(i); 6613 if (ap != null) { 6614 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6615 pw.println(":"); 6616 ap.dump(" ", pw); 6617 } 6618 } 6619 if (!policy.mRemovingAdmins.isEmpty()) { 6620 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6621 + policy.mRemovingAdmins); 6622 } 6623 6624 pw.println(" "); 6625 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6626 } 6627 pw.println(); 6628 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6629 } 6630 } 6631 6632 private String getEncryptionStatusName(int encryptionStatus) { 6633 switch (encryptionStatus) { 6634 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6635 return "inactive"; 6636 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6637 return "block default key"; 6638 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6639 return "block"; 6640 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6641 return "per-user"; 6642 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6643 return "unsupported"; 6644 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6645 return "activating"; 6646 default: 6647 return "unknown"; 6648 } 6649 } 6650 6651 @Override 6652 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6653 ComponentName activity) { 6654 Preconditions.checkNotNull(who, "ComponentName is null"); 6655 final int userHandle = UserHandle.getCallingUserId(); 6656 synchronized (this) { 6657 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6658 6659 long id = mInjector.binderClearCallingIdentity(); 6660 try { 6661 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6662 } catch (RemoteException re) { 6663 // Shouldn't happen 6664 } finally { 6665 mInjector.binderRestoreCallingIdentity(id); 6666 } 6667 } 6668 } 6669 6670 @Override 6671 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6672 Preconditions.checkNotNull(who, "ComponentName is null"); 6673 final int userHandle = UserHandle.getCallingUserId(); 6674 synchronized (this) { 6675 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6676 6677 long id = mInjector.binderClearCallingIdentity(); 6678 try { 6679 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6680 } catch (RemoteException re) { 6681 // Shouldn't happen 6682 } finally { 6683 mInjector.binderRestoreCallingIdentity(id); 6684 } 6685 } 6686 } 6687 6688 @Override 6689 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6690 String packageName) { 6691 Preconditions.checkNotNull(admin, "ComponentName is null"); 6692 6693 final int userHandle = mInjector.userHandleGetCallingUserId(); 6694 synchronized (this) { 6695 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6696 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6697 return false; 6698 } 6699 DevicePolicyData policy = getUserData(userHandle); 6700 policy.mApplicationRestrictionsManagingPackage = packageName; 6701 saveSettingsLocked(userHandle); 6702 return true; 6703 } 6704 } 6705 6706 @Override 6707 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6708 Preconditions.checkNotNull(admin, "ComponentName is null"); 6709 6710 final int userHandle = mInjector.userHandleGetCallingUserId(); 6711 synchronized (this) { 6712 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6713 DevicePolicyData policy = getUserData(userHandle); 6714 return policy.mApplicationRestrictionsManagingPackage; 6715 } 6716 } 6717 6718 @Override 6719 public boolean isCallerApplicationRestrictionsManagingPackage() { 6720 final int callingUid = mInjector.binderGetCallingUid(); 6721 final int userHandle = UserHandle.getUserId(callingUid); 6722 synchronized (this) { 6723 final DevicePolicyData policy = getUserData(userHandle); 6724 if (policy.mApplicationRestrictionsManagingPackage == null) { 6725 return false; 6726 } 6727 6728 try { 6729 int uid = mContext.getPackageManager().getPackageUidAsUser( 6730 policy.mApplicationRestrictionsManagingPackage, userHandle); 6731 return uid == callingUid; 6732 } catch (NameNotFoundException e) { 6733 return false; 6734 } 6735 } 6736 } 6737 6738 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6739 if (who != null) { 6740 synchronized (this) { 6741 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6742 } 6743 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6744 throw new SecurityException( 6745 "No admin component given, and caller cannot manage application restrictions " 6746 + "for other apps."); 6747 } 6748 } 6749 6750 @Override 6751 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6752 enforceCanManageApplicationRestrictions(who); 6753 6754 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6755 final long id = mInjector.binderClearCallingIdentity(); 6756 try { 6757 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6758 } finally { 6759 mInjector.binderRestoreCallingIdentity(id); 6760 } 6761 } 6762 6763 @Override 6764 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6765 PersistableBundle args, boolean parent) { 6766 if (!mHasFeature) { 6767 return; 6768 } 6769 Preconditions.checkNotNull(admin, "admin is null"); 6770 Preconditions.checkNotNull(agent, "agent is null"); 6771 final int userHandle = UserHandle.getCallingUserId(); 6772 synchronized (this) { 6773 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6774 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6775 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6776 saveSettingsLocked(userHandle); 6777 } 6778 } 6779 6780 @Override 6781 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6782 ComponentName agent, int userHandle, boolean parent) { 6783 if (!mHasFeature) { 6784 return null; 6785 } 6786 Preconditions.checkNotNull(agent, "agent null"); 6787 enforceFullCrossUsersPermission(userHandle); 6788 6789 synchronized (this) { 6790 final String componentName = agent.flattenToString(); 6791 if (admin != null) { 6792 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 6793 if (ap == null) return null; 6794 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6795 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6796 List<PersistableBundle> result = new ArrayList<>(); 6797 result.add(trustAgentInfo.options); 6798 return result; 6799 } 6800 6801 // Return strictest policy for this user and profiles that are visible from this user. 6802 List<PersistableBundle> result = null; 6803 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6804 // of the options. If any admin doesn't have options, discard options for the rest 6805 // and return null. 6806 List<ActiveAdmin> admins = 6807 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6808 boolean allAdminsHaveOptions = true; 6809 final int N = admins.size(); 6810 for (int i = 0; i < N; i++) { 6811 final ActiveAdmin active = admins.get(i); 6812 6813 final boolean disablesTrust = (active.disabledKeyguardFeatures 6814 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6815 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6816 if (info != null && info.options != null && !info.options.isEmpty()) { 6817 if (disablesTrust) { 6818 if (result == null) { 6819 result = new ArrayList<>(); 6820 } 6821 result.add(info.options); 6822 } else { 6823 Log.w(LOG_TAG, "Ignoring admin " + active.info 6824 + " because it has trust options but doesn't declare " 6825 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6826 } 6827 } else if (disablesTrust) { 6828 allAdminsHaveOptions = false; 6829 break; 6830 } 6831 } 6832 return allAdminsHaveOptions ? result : null; 6833 } 6834 } 6835 6836 @Override 6837 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 6838 Preconditions.checkNotNull(who, "ComponentName is null"); 6839 synchronized (this) { 6840 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6841 6842 int userHandle = UserHandle.getCallingUserId(); 6843 DevicePolicyData userData = getUserData(userHandle); 6844 userData.mRestrictionsProvider = permissionProvider; 6845 saveSettingsLocked(userHandle); 6846 } 6847 } 6848 6849 @Override 6850 public ComponentName getRestrictionsProvider(int userHandle) { 6851 synchronized (this) { 6852 if (!isCallerWithSystemUid()) { 6853 throw new SecurityException("Only the system can query the permission provider"); 6854 } 6855 DevicePolicyData userData = getUserData(userHandle); 6856 return userData != null ? userData.mRestrictionsProvider : null; 6857 } 6858 } 6859 6860 @Override 6861 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 6862 Preconditions.checkNotNull(who, "ComponentName is null"); 6863 int callingUserId = UserHandle.getCallingUserId(); 6864 synchronized (this) { 6865 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6866 6867 long id = mInjector.binderClearCallingIdentity(); 6868 try { 6869 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6870 if (parent == null) { 6871 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 6872 + "parent"); 6873 return; 6874 } 6875 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 6876 mIPackageManager.addCrossProfileIntentFilter( 6877 filter, who.getPackageName(), callingUserId, parent.id, 0); 6878 } 6879 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 6880 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 6881 parent.id, callingUserId, 0); 6882 } 6883 } catch (RemoteException re) { 6884 // Shouldn't happen 6885 } finally { 6886 mInjector.binderRestoreCallingIdentity(id); 6887 } 6888 } 6889 } 6890 6891 @Override 6892 public void clearCrossProfileIntentFilters(ComponentName who) { 6893 Preconditions.checkNotNull(who, "ComponentName is null"); 6894 int callingUserId = UserHandle.getCallingUserId(); 6895 synchronized (this) { 6896 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6897 long id = mInjector.binderClearCallingIdentity(); 6898 try { 6899 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6900 if (parent == null) { 6901 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 6902 + "parent"); 6903 return; 6904 } 6905 // Removing those that go from the managed profile to the parent. 6906 mIPackageManager.clearCrossProfileIntentFilters( 6907 callingUserId, who.getPackageName()); 6908 // And those that go from the parent to the managed profile. 6909 // If we want to support multiple managed profiles, we will have to only remove 6910 // those that have callingUserId as their target. 6911 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 6912 } catch (RemoteException re) { 6913 // Shouldn't happen 6914 } finally { 6915 mInjector.binderRestoreCallingIdentity(id); 6916 } 6917 } 6918 } 6919 6920 /** 6921 * @return true if all packages in enabledPackages are either in the list 6922 * permittedList or are a system app. 6923 */ 6924 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 6925 List<String> permittedList, int userIdToCheck) { 6926 long id = mInjector.binderClearCallingIdentity(); 6927 try { 6928 // If we have an enabled packages list for a managed profile the packages 6929 // we should check are installed for the parent user. 6930 UserInfo user = getUserInfo(userIdToCheck); 6931 if (user.isManagedProfile()) { 6932 userIdToCheck = user.profileGroupId; 6933 } 6934 6935 for (String enabledPackage : enabledPackages) { 6936 boolean systemService = false; 6937 try { 6938 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 6939 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 6940 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6941 } catch (RemoteException e) { 6942 Log.i(LOG_TAG, "Can't talk to package managed", e); 6943 } 6944 if (!systemService && !permittedList.contains(enabledPackage)) { 6945 return false; 6946 } 6947 } 6948 } finally { 6949 mInjector.binderRestoreCallingIdentity(id); 6950 } 6951 return true; 6952 } 6953 6954 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 6955 // Not using AccessibilityManager.getInstance because that guesses 6956 // at the user you require based on callingUid and caches for a given 6957 // process. 6958 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 6959 IAccessibilityManager service = iBinder == null 6960 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 6961 return new AccessibilityManager(mContext, service, userId); 6962 } 6963 6964 @Override 6965 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 6966 if (!mHasFeature) { 6967 return false; 6968 } 6969 Preconditions.checkNotNull(who, "ComponentName is null"); 6970 6971 if (packageList != null) { 6972 int userId = UserHandle.getCallingUserId(); 6973 List<AccessibilityServiceInfo> enabledServices = null; 6974 long id = mInjector.binderClearCallingIdentity(); 6975 try { 6976 UserInfo user = getUserInfo(userId); 6977 if (user.isManagedProfile()) { 6978 userId = user.profileGroupId; 6979 } 6980 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 6981 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 6982 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 6983 } finally { 6984 mInjector.binderRestoreCallingIdentity(id); 6985 } 6986 6987 if (enabledServices != null) { 6988 List<String> enabledPackages = new ArrayList<String>(); 6989 for (AccessibilityServiceInfo service : enabledServices) { 6990 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 6991 } 6992 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6993 userId)) { 6994 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 6995 + "because it contains already enabled accesibility services."); 6996 return false; 6997 } 6998 } 6999 } 7000 7001 synchronized (this) { 7002 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7003 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7004 admin.permittedAccessiblityServices = packageList; 7005 saveSettingsLocked(UserHandle.getCallingUserId()); 7006 } 7007 return true; 7008 } 7009 7010 @Override 7011 public List getPermittedAccessibilityServices(ComponentName who) { 7012 if (!mHasFeature) { 7013 return null; 7014 } 7015 Preconditions.checkNotNull(who, "ComponentName is null"); 7016 7017 synchronized (this) { 7018 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7019 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7020 return admin.permittedAccessiblityServices; 7021 } 7022 } 7023 7024 @Override 7025 public List getPermittedAccessibilityServicesForUser(int userId) { 7026 if (!mHasFeature) { 7027 return null; 7028 } 7029 synchronized (this) { 7030 List<String> result = null; 7031 // If we have multiple profiles we return the intersection of the 7032 // permitted lists. This can happen in cases where we have a device 7033 // and profile owner. 7034 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7035 for (int profileId : profileIds) { 7036 // Just loop though all admins, only device or profiles 7037 // owners can have permitted lists set. 7038 DevicePolicyData policy = getUserDataUnchecked(profileId); 7039 final int N = policy.mAdminList.size(); 7040 for (int j = 0; j < N; j++) { 7041 ActiveAdmin admin = policy.mAdminList.get(j); 7042 List<String> fromAdmin = admin.permittedAccessiblityServices; 7043 if (fromAdmin != null) { 7044 if (result == null) { 7045 result = new ArrayList<>(fromAdmin); 7046 } else { 7047 result.retainAll(fromAdmin); 7048 } 7049 } 7050 } 7051 } 7052 7053 // If we have a permitted list add all system accessibility services. 7054 if (result != null) { 7055 long id = mInjector.binderClearCallingIdentity(); 7056 try { 7057 UserInfo user = getUserInfo(userId); 7058 if (user.isManagedProfile()) { 7059 userId = user.profileGroupId; 7060 } 7061 AccessibilityManager accessibilityManager = 7062 getAccessibilityManagerForUser(userId); 7063 List<AccessibilityServiceInfo> installedServices = 7064 accessibilityManager.getInstalledAccessibilityServiceList(); 7065 7066 if (installedServices != null) { 7067 for (AccessibilityServiceInfo service : installedServices) { 7068 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7069 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7070 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7071 result.add(serviceInfo.packageName); 7072 } 7073 } 7074 } 7075 } finally { 7076 mInjector.binderRestoreCallingIdentity(id); 7077 } 7078 } 7079 7080 return result; 7081 } 7082 } 7083 7084 @Override 7085 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7086 int userHandle) { 7087 if (!mHasFeature) { 7088 return true; 7089 } 7090 Preconditions.checkNotNull(who, "ComponentName is null"); 7091 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7092 if (!isCallerWithSystemUid()){ 7093 throw new SecurityException( 7094 "Only the system can query if an accessibility service is disabled by admin"); 7095 } 7096 synchronized (this) { 7097 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7098 if (admin == null) { 7099 return false; 7100 } 7101 if (admin.permittedAccessiblityServices == null) { 7102 return true; 7103 } 7104 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7105 admin.permittedAccessiblityServices, userHandle); 7106 } 7107 } 7108 7109 private boolean checkCallerIsCurrentUserOrProfile() { 7110 int callingUserId = UserHandle.getCallingUserId(); 7111 long token = mInjector.binderClearCallingIdentity(); 7112 try { 7113 UserInfo currentUser; 7114 UserInfo callingUser = getUserInfo(callingUserId); 7115 try { 7116 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7117 } catch (RemoteException e) { 7118 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7119 return false; 7120 } 7121 7122 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7123 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7124 + "of a user that isn't the foreground user."); 7125 return false; 7126 } 7127 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7128 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7129 + "of a user that isn't the foreground user."); 7130 return false; 7131 } 7132 } finally { 7133 mInjector.binderRestoreCallingIdentity(token); 7134 } 7135 return true; 7136 } 7137 7138 @Override 7139 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7140 if (!mHasFeature) { 7141 return false; 7142 } 7143 Preconditions.checkNotNull(who, "ComponentName is null"); 7144 7145 // TODO When InputMethodManager supports per user calls remove 7146 // this restriction. 7147 if (!checkCallerIsCurrentUserOrProfile()) { 7148 return false; 7149 } 7150 7151 if (packageList != null) { 7152 // InputMethodManager fetches input methods for current user. 7153 // So this can only be set when calling user is the current user 7154 // or parent is current user in case of managed profiles. 7155 InputMethodManager inputMethodManager = 7156 mContext.getSystemService(InputMethodManager.class); 7157 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7158 7159 if (enabledImes != null) { 7160 List<String> enabledPackages = new ArrayList<String>(); 7161 for (InputMethodInfo ime : enabledImes) { 7162 enabledPackages.add(ime.getPackageName()); 7163 } 7164 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7165 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7166 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7167 + "because it contains already enabled input method."); 7168 return false; 7169 } 7170 } 7171 } 7172 7173 synchronized (this) { 7174 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7175 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7176 admin.permittedInputMethods = packageList; 7177 saveSettingsLocked(UserHandle.getCallingUserId()); 7178 } 7179 return true; 7180 } 7181 7182 @Override 7183 public List getPermittedInputMethods(ComponentName who) { 7184 if (!mHasFeature) { 7185 return null; 7186 } 7187 Preconditions.checkNotNull(who, "ComponentName is null"); 7188 7189 synchronized (this) { 7190 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7191 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7192 return admin.permittedInputMethods; 7193 } 7194 } 7195 7196 @Override 7197 public List getPermittedInputMethodsForCurrentUser() { 7198 UserInfo currentUser; 7199 try { 7200 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7201 } catch (RemoteException e) { 7202 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7203 // Activity managed is dead, just allow all IMEs 7204 return null; 7205 } 7206 7207 int userId = currentUser.id; 7208 synchronized (this) { 7209 List<String> result = null; 7210 // If we have multiple profiles we return the intersection of the 7211 // permitted lists. This can happen in cases where we have a device 7212 // and profile owner. 7213 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7214 for (int profileId : profileIds) { 7215 // Just loop though all admins, only device or profiles 7216 // owners can have permitted lists set. 7217 DevicePolicyData policy = getUserDataUnchecked(profileId); 7218 final int N = policy.mAdminList.size(); 7219 for (int j = 0; j < N; j++) { 7220 ActiveAdmin admin = policy.mAdminList.get(j); 7221 List<String> fromAdmin = admin.permittedInputMethods; 7222 if (fromAdmin != null) { 7223 if (result == null) { 7224 result = new ArrayList<String>(fromAdmin); 7225 } else { 7226 result.retainAll(fromAdmin); 7227 } 7228 } 7229 } 7230 } 7231 7232 // If we have a permitted list add all system input methods. 7233 if (result != null) { 7234 InputMethodManager inputMethodManager = 7235 mContext.getSystemService(InputMethodManager.class); 7236 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7237 long id = mInjector.binderClearCallingIdentity(); 7238 try { 7239 if (imes != null) { 7240 for (InputMethodInfo ime : imes) { 7241 ServiceInfo serviceInfo = ime.getServiceInfo(); 7242 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7243 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7244 result.add(serviceInfo.packageName); 7245 } 7246 } 7247 } 7248 } finally { 7249 mInjector.binderRestoreCallingIdentity(id); 7250 } 7251 } 7252 return result; 7253 } 7254 } 7255 7256 @Override 7257 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7258 int userHandle) { 7259 if (!mHasFeature) { 7260 return true; 7261 } 7262 Preconditions.checkNotNull(who, "ComponentName is null"); 7263 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7264 if (!isCallerWithSystemUid()) { 7265 throw new SecurityException( 7266 "Only the system can query if an input method is disabled by admin"); 7267 } 7268 synchronized (this) { 7269 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7270 if (admin == null) { 7271 return false; 7272 } 7273 if (admin.permittedInputMethods == null) { 7274 return true; 7275 } 7276 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7277 admin.permittedInputMethods, userHandle); 7278 } 7279 } 7280 7281 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7282 DevicePolicyData policyData = getUserData(userHandle); 7283 if (policyData.mAdminBroadcastPending) { 7284 // Send the initialization data to profile owner and delete the data 7285 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7286 if (admin != null) { 7287 PersistableBundle initBundle = policyData.mInitBundle; 7288 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7289 initBundle == null ? null : new Bundle(initBundle), null); 7290 } 7291 policyData.mInitBundle = null; 7292 policyData.mAdminBroadcastPending = false; 7293 saveSettingsLocked(userHandle); 7294 } 7295 } 7296 7297 @Override 7298 public UserHandle createAndManageUser(ComponentName admin, String name, 7299 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7300 Preconditions.checkNotNull(admin, "admin is null"); 7301 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7302 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7303 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7304 + admin + " are not in the same package"); 7305 } 7306 // Only allow the system user to use this method 7307 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7308 throw new SecurityException("createAndManageUser was called from non-system user"); 7309 } 7310 if (!mInjector.userManagerIsSplitSystemUser() 7311 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7312 throw new IllegalArgumentException( 7313 "Ephemeral users are only supported on systems with a split system user."); 7314 } 7315 // Create user. 7316 UserHandle user = null; 7317 synchronized (this) { 7318 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7319 7320 final long id = mInjector.binderClearCallingIdentity(); 7321 try { 7322 int userInfoFlags = 0; 7323 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7324 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7325 } 7326 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7327 userInfoFlags); 7328 if (userInfo != null) { 7329 user = userInfo.getUserHandle(); 7330 } 7331 } finally { 7332 mInjector.binderRestoreCallingIdentity(id); 7333 } 7334 } 7335 if (user == null) { 7336 return null; 7337 } 7338 // Set admin. 7339 final long id = mInjector.binderClearCallingIdentity(); 7340 try { 7341 final String adminPkg = admin.getPackageName(); 7342 7343 final int userHandle = user.getIdentifier(); 7344 try { 7345 // Install the profile owner if not present. 7346 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7347 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 7348 } 7349 } catch (RemoteException e) { 7350 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7351 + "removing created user", e); 7352 mUserManager.removeUser(user.getIdentifier()); 7353 return null; 7354 } 7355 7356 setActiveAdmin(profileOwner, true, userHandle); 7357 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7358 // So we store adminExtras for broadcasting when the user starts for first time. 7359 synchronized(this) { 7360 DevicePolicyData policyData = getUserData(userHandle); 7361 policyData.mInitBundle = adminExtras; 7362 policyData.mAdminBroadcastPending = true; 7363 saveSettingsLocked(userHandle); 7364 } 7365 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7366 setProfileOwner(profileOwner, ownerName, userHandle); 7367 7368 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7369 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7370 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7371 } 7372 7373 return user; 7374 } finally { 7375 mInjector.binderRestoreCallingIdentity(id); 7376 } 7377 } 7378 7379 @Override 7380 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7381 Preconditions.checkNotNull(who, "ComponentName is null"); 7382 synchronized (this) { 7383 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7384 7385 long id = mInjector.binderClearCallingIdentity(); 7386 try { 7387 return mUserManager.removeUser(userHandle.getIdentifier()); 7388 } finally { 7389 mInjector.binderRestoreCallingIdentity(id); 7390 } 7391 } 7392 } 7393 7394 @Override 7395 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7396 Preconditions.checkNotNull(who, "ComponentName is null"); 7397 synchronized (this) { 7398 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7399 7400 long id = mInjector.binderClearCallingIdentity(); 7401 try { 7402 int userId = UserHandle.USER_SYSTEM; 7403 if (userHandle != null) { 7404 userId = userHandle.getIdentifier(); 7405 } 7406 return mInjector.getIActivityManager().switchUser(userId); 7407 } catch (RemoteException e) { 7408 Log.e(LOG_TAG, "Couldn't switch user", e); 7409 return false; 7410 } finally { 7411 mInjector.binderRestoreCallingIdentity(id); 7412 } 7413 } 7414 } 7415 7416 @Override 7417 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7418 enforceCanManageApplicationRestrictions(who); 7419 7420 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7421 final long id = mInjector.binderClearCallingIdentity(); 7422 try { 7423 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7424 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7425 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7426 return bundle != null ? bundle : Bundle.EMPTY; 7427 } finally { 7428 mInjector.binderRestoreCallingIdentity(id); 7429 } 7430 } 7431 7432 @Override 7433 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7434 boolean suspended) { 7435 Preconditions.checkNotNull(who, "ComponentName is null"); 7436 int callingUserId = UserHandle.getCallingUserId(); 7437 synchronized (this) { 7438 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7439 7440 long id = mInjector.binderClearCallingIdentity(); 7441 try { 7442 return mIPackageManager.setPackagesSuspendedAsUser( 7443 packageNames, suspended, callingUserId); 7444 } catch (RemoteException re) { 7445 // Shouldn't happen. 7446 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7447 } finally { 7448 mInjector.binderRestoreCallingIdentity(id); 7449 } 7450 return packageNames; 7451 } 7452 } 7453 7454 @Override 7455 public boolean isPackageSuspended(ComponentName who, String packageName) { 7456 Preconditions.checkNotNull(who, "ComponentName is null"); 7457 int callingUserId = UserHandle.getCallingUserId(); 7458 synchronized (this) { 7459 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7460 7461 long id = mInjector.binderClearCallingIdentity(); 7462 try { 7463 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7464 } catch (RemoteException re) { 7465 // Shouldn't happen. 7466 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7467 } finally { 7468 mInjector.binderRestoreCallingIdentity(id); 7469 } 7470 return false; 7471 } 7472 } 7473 7474 @Override 7475 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7476 Preconditions.checkNotNull(who, "ComponentName is null"); 7477 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7478 return; 7479 } 7480 7481 final int userHandle = mInjector.userHandleGetCallingUserId(); 7482 synchronized (this) { 7483 ActiveAdmin activeAdmin = 7484 getActiveAdminForCallerLocked(who, 7485 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7486 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7487 if (isDeviceOwner) { 7488 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7489 throw new SecurityException("Device owner cannot set user restriction " + key); 7490 } 7491 } else { // profile owner 7492 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7493 throw new SecurityException("Profile owner cannot set user restriction " + key); 7494 } 7495 } 7496 7497 // Save the restriction to ActiveAdmin. 7498 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 7499 saveSettingsLocked(userHandle); 7500 7501 pushUserRestrictions(userHandle); 7502 7503 sendChangedNotification(userHandle); 7504 } 7505 } 7506 7507 private void pushUserRestrictions(int userId) { 7508 synchronized (this) { 7509 final Bundle global; 7510 final Bundle local = new Bundle(); 7511 if (mOwners.isDeviceOwnerUserId(userId)) { 7512 global = new Bundle(); 7513 7514 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7515 if (deviceOwner == null) { 7516 return; // Shouldn't happen. 7517 } 7518 7519 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 7520 global, local); 7521 // DO can disable camera globally. 7522 if (deviceOwner.disableCamera) { 7523 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 7524 } 7525 } else { 7526 global = null; 7527 7528 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7529 if (profileOwner != null) { 7530 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7531 } 7532 } 7533 // Also merge in *local* camera restriction. 7534 if (getCameraDisabled(/* who= */ null, 7535 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7536 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7537 } 7538 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7539 } 7540 } 7541 7542 @Override 7543 public Bundle getUserRestrictions(ComponentName who) { 7544 if (!mHasFeature) { 7545 return null; 7546 } 7547 Preconditions.checkNotNull(who, "ComponentName is null"); 7548 synchronized (this) { 7549 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7550 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7551 return activeAdmin.userRestrictions; 7552 } 7553 } 7554 7555 @Override 7556 public boolean setApplicationHidden(ComponentName who, String packageName, 7557 boolean hidden) { 7558 Preconditions.checkNotNull(who, "ComponentName is null"); 7559 int callingUserId = UserHandle.getCallingUserId(); 7560 synchronized (this) { 7561 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7562 7563 long id = mInjector.binderClearCallingIdentity(); 7564 try { 7565 return mIPackageManager.setApplicationHiddenSettingAsUser( 7566 packageName, hidden, callingUserId); 7567 } catch (RemoteException re) { 7568 // shouldn't happen 7569 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7570 } finally { 7571 mInjector.binderRestoreCallingIdentity(id); 7572 } 7573 return false; 7574 } 7575 } 7576 7577 @Override 7578 public boolean isApplicationHidden(ComponentName who, String packageName) { 7579 Preconditions.checkNotNull(who, "ComponentName is null"); 7580 int callingUserId = UserHandle.getCallingUserId(); 7581 synchronized (this) { 7582 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7583 7584 long id = mInjector.binderClearCallingIdentity(); 7585 try { 7586 return mIPackageManager.getApplicationHiddenSettingAsUser( 7587 packageName, callingUserId); 7588 } catch (RemoteException re) { 7589 // shouldn't happen 7590 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7591 } finally { 7592 mInjector.binderRestoreCallingIdentity(id); 7593 } 7594 return false; 7595 } 7596 } 7597 7598 @Override 7599 public void enableSystemApp(ComponentName who, String packageName) { 7600 Preconditions.checkNotNull(who, "ComponentName is null"); 7601 synchronized (this) { 7602 // This API can only be called by an active device admin, 7603 // so try to retrieve it to check that the caller is one. 7604 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7605 7606 int userId = UserHandle.getCallingUserId(); 7607 long id = mInjector.binderClearCallingIdentity(); 7608 7609 try { 7610 if (VERBOSE_LOG) { 7611 Slog.v(LOG_TAG, "installing " + packageName + " for " 7612 + userId); 7613 } 7614 7615 int parentUserId = getProfileParentId(userId); 7616 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7617 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7618 } 7619 7620 // Install the app. 7621 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7622 7623 } catch (RemoteException re) { 7624 // shouldn't happen 7625 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7626 } finally { 7627 mInjector.binderRestoreCallingIdentity(id); 7628 } 7629 } 7630 } 7631 7632 @Override 7633 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7634 Preconditions.checkNotNull(who, "ComponentName is null"); 7635 synchronized (this) { 7636 // This API can only be called by an active device admin, 7637 // so try to retrieve it to check that the caller is one. 7638 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7639 7640 int userId = UserHandle.getCallingUserId(); 7641 long id = mInjector.binderClearCallingIdentity(); 7642 7643 try { 7644 int parentUserId = getProfileParentId(userId); 7645 List<ResolveInfo> activitiesToEnable = mIPackageManager 7646 .queryIntentActivities(intent, 7647 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7648 PackageManager.MATCH_DIRECT_BOOT_AWARE 7649 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7650 parentUserId) 7651 .getList(); 7652 7653 if (VERBOSE_LOG) { 7654 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7655 } 7656 int numberOfAppsInstalled = 0; 7657 if (activitiesToEnable != null) { 7658 for (ResolveInfo info : activitiesToEnable) { 7659 if (info.activityInfo != null) { 7660 String packageName = info.activityInfo.packageName; 7661 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7662 numberOfAppsInstalled++; 7663 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7664 } else { 7665 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7666 + " system app"); 7667 } 7668 } 7669 } 7670 } 7671 return numberOfAppsInstalled; 7672 } catch (RemoteException e) { 7673 // shouldn't happen 7674 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7675 return 0; 7676 } finally { 7677 mInjector.binderRestoreCallingIdentity(id); 7678 } 7679 } 7680 } 7681 7682 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7683 throws RemoteException { 7684 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 7685 userId); 7686 if (appInfo == null) { 7687 throw new IllegalArgumentException("The application " + packageName + 7688 " is not present on this device"); 7689 } 7690 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7691 } 7692 7693 @Override 7694 public void setAccountManagementDisabled(ComponentName who, String accountType, 7695 boolean disabled) { 7696 if (!mHasFeature) { 7697 return; 7698 } 7699 Preconditions.checkNotNull(who, "ComponentName is null"); 7700 synchronized (this) { 7701 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7702 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7703 if (disabled) { 7704 ap.accountTypesWithManagementDisabled.add(accountType); 7705 } else { 7706 ap.accountTypesWithManagementDisabled.remove(accountType); 7707 } 7708 saveSettingsLocked(UserHandle.getCallingUserId()); 7709 } 7710 } 7711 7712 @Override 7713 public String[] getAccountTypesWithManagementDisabled() { 7714 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7715 } 7716 7717 @Override 7718 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7719 enforceFullCrossUsersPermission(userId); 7720 if (!mHasFeature) { 7721 return null; 7722 } 7723 synchronized (this) { 7724 DevicePolicyData policy = getUserData(userId); 7725 final int N = policy.mAdminList.size(); 7726 ArraySet<String> resultSet = new ArraySet<>(); 7727 for (int i = 0; i < N; i++) { 7728 ActiveAdmin admin = policy.mAdminList.get(i); 7729 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7730 } 7731 return resultSet.toArray(new String[resultSet.size()]); 7732 } 7733 } 7734 7735 @Override 7736 public void setUninstallBlocked(ComponentName who, String packageName, 7737 boolean uninstallBlocked) { 7738 Preconditions.checkNotNull(who, "ComponentName is null"); 7739 final int userId = UserHandle.getCallingUserId(); 7740 synchronized (this) { 7741 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7742 7743 long id = mInjector.binderClearCallingIdentity(); 7744 try { 7745 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7746 } catch (RemoteException re) { 7747 // Shouldn't happen. 7748 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7749 } finally { 7750 mInjector.binderRestoreCallingIdentity(id); 7751 } 7752 } 7753 } 7754 7755 @Override 7756 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7757 // This function should return true if and only if the package is blocked by 7758 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7759 // when the package is a system app, or when it is an active device admin. 7760 final int userId = UserHandle.getCallingUserId(); 7761 7762 synchronized (this) { 7763 if (who != null) { 7764 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7765 } 7766 7767 long id = mInjector.binderClearCallingIdentity(); 7768 try { 7769 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7770 } catch (RemoteException re) { 7771 // Shouldn't happen. 7772 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7773 } finally { 7774 mInjector.binderRestoreCallingIdentity(id); 7775 } 7776 } 7777 return false; 7778 } 7779 7780 @Override 7781 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7782 if (!mHasFeature) { 7783 return; 7784 } 7785 Preconditions.checkNotNull(who, "ComponentName is null"); 7786 synchronized (this) { 7787 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7788 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7789 if (admin.disableCallerId != disabled) { 7790 admin.disableCallerId = disabled; 7791 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7792 } 7793 } 7794 } 7795 7796 @Override 7797 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7798 if (!mHasFeature) { 7799 return false; 7800 } 7801 Preconditions.checkNotNull(who, "ComponentName is null"); 7802 synchronized (this) { 7803 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7804 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7805 return admin.disableCallerId; 7806 } 7807 } 7808 7809 @Override 7810 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 7811 enforceCrossUsersPermission(userId); 7812 synchronized (this) { 7813 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7814 return (admin != null) ? admin.disableCallerId : false; 7815 } 7816 } 7817 7818 @Override 7819 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 7820 if (!mHasFeature) { 7821 return; 7822 } 7823 Preconditions.checkNotNull(who, "ComponentName is null"); 7824 synchronized (this) { 7825 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7826 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7827 if (admin.disableContactsSearch != disabled) { 7828 admin.disableContactsSearch = disabled; 7829 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7830 } 7831 } 7832 } 7833 7834 @Override 7835 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 7836 if (!mHasFeature) { 7837 return false; 7838 } 7839 Preconditions.checkNotNull(who, "ComponentName is null"); 7840 synchronized (this) { 7841 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7842 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7843 return admin.disableContactsSearch; 7844 } 7845 } 7846 7847 @Override 7848 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 7849 enforceCrossUsersPermission(userId); 7850 synchronized (this) { 7851 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7852 return (admin != null) ? admin.disableContactsSearch : false; 7853 } 7854 } 7855 7856 @Override 7857 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 7858 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 7859 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 7860 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 7861 final int callingUserId = UserHandle.getCallingUserId(); 7862 7863 final long ident = mInjector.binderClearCallingIdentity(); 7864 try { 7865 synchronized (this) { 7866 final int managedUserId = getManagedUserId(callingUserId); 7867 if (managedUserId < 0) { 7868 return; 7869 } 7870 if (isCrossProfileQuickContactDisabled(managedUserId)) { 7871 if (VERBOSE_LOG) { 7872 Log.v(LOG_TAG, 7873 "Cross-profile contacts access disabled for user " + managedUserId); 7874 } 7875 return; 7876 } 7877 ContactsInternal.startQuickContactWithErrorToastForUser( 7878 mContext, intent, new UserHandle(managedUserId)); 7879 } 7880 } finally { 7881 mInjector.binderRestoreCallingIdentity(ident); 7882 } 7883 } 7884 7885 /** 7886 * @return true if cross-profile QuickContact is disabled 7887 */ 7888 private boolean isCrossProfileQuickContactDisabled(int userId) { 7889 return getCrossProfileCallerIdDisabledForUser(userId) 7890 && getCrossProfileContactsSearchDisabledForUser(userId); 7891 } 7892 7893 /** 7894 * @return the user ID of the managed user that is linked to the current user, if any. 7895 * Otherwise -1. 7896 */ 7897 public int getManagedUserId(int callingUserId) { 7898 if (VERBOSE_LOG) { 7899 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 7900 } 7901 7902 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 7903 if (ui.id == callingUserId || !ui.isManagedProfile()) { 7904 continue; // Caller user self, or not a managed profile. Skip. 7905 } 7906 if (VERBOSE_LOG) { 7907 Log.v(LOG_TAG, "Managed user=" + ui.id); 7908 } 7909 return ui.id; 7910 } 7911 if (VERBOSE_LOG) { 7912 Log.v(LOG_TAG, "Managed user not found."); 7913 } 7914 return -1; 7915 } 7916 7917 @Override 7918 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 7919 if (!mHasFeature) { 7920 return; 7921 } 7922 Preconditions.checkNotNull(who, "ComponentName is null"); 7923 synchronized (this) { 7924 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7925 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7926 if (admin.disableBluetoothContactSharing != disabled) { 7927 admin.disableBluetoothContactSharing = disabled; 7928 saveSettingsLocked(UserHandle.getCallingUserId()); 7929 } 7930 } 7931 } 7932 7933 @Override 7934 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 7935 if (!mHasFeature) { 7936 return false; 7937 } 7938 Preconditions.checkNotNull(who, "ComponentName is null"); 7939 synchronized (this) { 7940 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7941 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7942 return admin.disableBluetoothContactSharing; 7943 } 7944 } 7945 7946 @Override 7947 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 7948 // TODO: Should there be a check to make sure this relationship is 7949 // within a profile group? 7950 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 7951 synchronized (this) { 7952 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7953 return (admin != null) ? admin.disableBluetoothContactSharing : false; 7954 } 7955 } 7956 7957 /** 7958 * Sets which packages may enter lock task mode. 7959 * 7960 * <p>This function can only be called by the device owner or alternatively by the profile owner 7961 * in case the user is affiliated. 7962 * 7963 * @param packages The list of packages allowed to enter lock task mode. 7964 */ 7965 @Override 7966 public void setLockTaskPackages(ComponentName who, String[] packages) 7967 throws SecurityException { 7968 Preconditions.checkNotNull(who, "ComponentName is null"); 7969 synchronized (this) { 7970 ActiveAdmin deviceOwner = getActiveAdminWithPolicyForUidLocked( 7971 who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, mInjector.binderGetCallingUid()); 7972 ActiveAdmin profileOwner = getActiveAdminWithPolicyForUidLocked( 7973 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()); 7974 if (deviceOwner != null || (profileOwner != null && isAffiliatedUser())) { 7975 int userHandle = mInjector.userHandleGetCallingUserId(); 7976 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 7977 } else { 7978 throw new SecurityException("Admin " + who + 7979 " is neither the device owner or affiliated user's profile owner."); 7980 } 7981 } 7982 } 7983 7984 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 7985 DevicePolicyData policy = getUserData(userHandle); 7986 policy.mLockTaskPackages = packages; 7987 7988 // Store the settings persistently. 7989 saveSettingsLocked(userHandle); 7990 updateLockTaskPackagesLocked(packages, userHandle); 7991 } 7992 7993 /** 7994 * This function returns the list of components allowed to start the task lock mode. 7995 */ 7996 @Override 7997 public String[] getLockTaskPackages(ComponentName who) { 7998 Preconditions.checkNotNull(who, "ComponentName is null"); 7999 synchronized (this) { 8000 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8001 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8002 final List<String> packages = getLockTaskPackagesLocked(userHandle); 8003 return packages.toArray(new String[packages.size()]); 8004 } 8005 } 8006 8007 private List<String> getLockTaskPackagesLocked(int userHandle) { 8008 final DevicePolicyData policy = getUserData(userHandle); 8009 return policy.mLockTaskPackages; 8010 } 8011 8012 /** 8013 * This function lets the caller know whether the given package is allowed to start the 8014 * lock task mode. 8015 * @param pkg The package to check 8016 */ 8017 @Override 8018 public boolean isLockTaskPermitted(String pkg) { 8019 // Get current user's devicepolicy 8020 int uid = mInjector.binderGetCallingUid(); 8021 int userHandle = UserHandle.getUserId(uid); 8022 DevicePolicyData policy = getUserData(userHandle); 8023 synchronized (this) { 8024 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 8025 String lockTaskPackage = policy.mLockTaskPackages.get(i); 8026 8027 // If the given package equals one of the packages stored our list, 8028 // we allow this package to start lock task mode. 8029 if (lockTaskPackage.equals(pkg)) { 8030 return true; 8031 } 8032 } 8033 } 8034 return false; 8035 } 8036 8037 @Override 8038 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8039 if (!isCallerWithSystemUid()) { 8040 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8041 } 8042 synchronized (this) { 8043 final DevicePolicyData policy = getUserData(userHandle); 8044 Bundle adminExtras = new Bundle(); 8045 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8046 for (ActiveAdmin admin : policy.mAdminList) { 8047 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8048 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8049 if (ownsDevice || ownsProfile) { 8050 if (isEnabled) { 8051 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8052 adminExtras, null); 8053 } else { 8054 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8055 } 8056 } 8057 } 8058 } 8059 } 8060 8061 @Override 8062 public void setGlobalSetting(ComponentName who, String setting, String value) { 8063 Preconditions.checkNotNull(who, "ComponentName is null"); 8064 8065 synchronized (this) { 8066 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8067 8068 // Some settings are no supported any more. However we do not want to throw a 8069 // SecurityException to avoid breaking apps. 8070 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8071 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8072 return; 8073 } 8074 8075 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8076 throw new SecurityException(String.format( 8077 "Permission denial: device owners cannot update %1$s", setting)); 8078 } 8079 8080 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8081 // ignore if it contradicts an existing policy 8082 long timeMs = getMaximumTimeToLock( 8083 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8084 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8085 return; 8086 } 8087 } 8088 8089 long id = mInjector.binderClearCallingIdentity(); 8090 try { 8091 mInjector.settingsGlobalPutString(setting, value); 8092 } finally { 8093 mInjector.binderRestoreCallingIdentity(id); 8094 } 8095 } 8096 } 8097 8098 @Override 8099 public void setSecureSetting(ComponentName who, String setting, String value) { 8100 Preconditions.checkNotNull(who, "ComponentName is null"); 8101 int callingUserId = mInjector.userHandleGetCallingUserId(); 8102 8103 synchronized (this) { 8104 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8105 8106 if (isDeviceOwner(who, callingUserId)) { 8107 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8108 throw new SecurityException(String.format( 8109 "Permission denial: Device owners cannot update %1$s", setting)); 8110 } 8111 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8112 throw new SecurityException(String.format( 8113 "Permission denial: Profile owners cannot update %1$s", setting)); 8114 } 8115 8116 long id = mInjector.binderClearCallingIdentity(); 8117 try { 8118 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8119 } finally { 8120 mInjector.binderRestoreCallingIdentity(id); 8121 } 8122 } 8123 } 8124 8125 @Override 8126 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8127 Preconditions.checkNotNull(who, "ComponentName is null"); 8128 synchronized (this) { 8129 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8130 setUserRestriction(who, UserManager.DISALLLOW_UNMUTE_DEVICE, on); 8131 } 8132 } 8133 8134 @Override 8135 public boolean isMasterVolumeMuted(ComponentName who) { 8136 Preconditions.checkNotNull(who, "ComponentName is null"); 8137 synchronized (this) { 8138 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8139 8140 AudioManager audioManager = 8141 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8142 return audioManager.isMasterMute(); 8143 } 8144 } 8145 8146 @Override 8147 public void setUserIcon(ComponentName who, Bitmap icon) { 8148 synchronized (this) { 8149 Preconditions.checkNotNull(who, "ComponentName is null"); 8150 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8151 8152 int userId = UserHandle.getCallingUserId(); 8153 long id = mInjector.binderClearCallingIdentity(); 8154 try { 8155 mUserManagerInternal.setUserIcon(userId, icon); 8156 } finally { 8157 mInjector.binderRestoreCallingIdentity(id); 8158 } 8159 } 8160 } 8161 8162 @Override 8163 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8164 Preconditions.checkNotNull(who, "ComponentName is null"); 8165 synchronized (this) { 8166 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8167 } 8168 final int userId = UserHandle.getCallingUserId(); 8169 8170 long ident = mInjector.binderClearCallingIdentity(); 8171 try { 8172 // disallow disabling the keyguard if a password is currently set 8173 if (disabled && mLockPatternUtils.isSecure(userId)) { 8174 return false; 8175 } 8176 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8177 } finally { 8178 mInjector.binderRestoreCallingIdentity(ident); 8179 } 8180 return true; 8181 } 8182 8183 @Override 8184 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8185 int userId = UserHandle.getCallingUserId(); 8186 synchronized (this) { 8187 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8188 DevicePolicyData policy = getUserData(userId); 8189 if (policy.mStatusBarDisabled != disabled) { 8190 if (!setStatusBarDisabledInternal(disabled, userId)) { 8191 return false; 8192 } 8193 policy.mStatusBarDisabled = disabled; 8194 saveSettingsLocked(userId); 8195 } 8196 } 8197 return true; 8198 } 8199 8200 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8201 long ident = mInjector.binderClearCallingIdentity(); 8202 try { 8203 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8204 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8205 if (statusBarService != null) { 8206 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8207 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8208 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8209 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8210 return true; 8211 } 8212 } catch (RemoteException e) { 8213 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8214 } finally { 8215 mInjector.binderRestoreCallingIdentity(ident); 8216 } 8217 return false; 8218 } 8219 8220 /** 8221 * We need to update the internal state of whether a user has completed setup or a 8222 * device has paired once. After that, we ignore any changes that reset the 8223 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 8224 * as we don't trust any apps that might try to reset them. 8225 * <p> 8226 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8227 * them. 8228 */ 8229 void updateUserSetupCompleteAndPaired() { 8230 List<UserInfo> users = mUserManager.getUsers(true); 8231 final int N = users.size(); 8232 for (int i = 0; i < N; i++) { 8233 int userHandle = users.get(i).id; 8234 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8235 userHandle) != 0) { 8236 DevicePolicyData policy = getUserData(userHandle); 8237 if (!policy.mUserSetupComplete) { 8238 policy.mUserSetupComplete = true; 8239 synchronized (this) { 8240 saveSettingsLocked(userHandle); 8241 } 8242 } 8243 } 8244 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 8245 userHandle) != 0) { 8246 DevicePolicyData policy = getUserData(userHandle); 8247 if (!policy.mPaired) { 8248 policy.mPaired = true; 8249 synchronized (this) { 8250 saveSettingsLocked(userHandle); 8251 } 8252 } 8253 } 8254 } 8255 } 8256 8257 private class SetupContentObserver extends ContentObserver { 8258 8259 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8260 Settings.Secure.USER_SETUP_COMPLETE); 8261 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8262 Settings.Global.DEVICE_PROVISIONED); 8263 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 8264 8265 public SetupContentObserver(Handler handler) { 8266 super(handler); 8267 } 8268 8269 void register() { 8270 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8271 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8272 if (mIsWatch) { 8273 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 8274 } 8275 } 8276 8277 @Override 8278 public void onChange(boolean selfChange, Uri uri) { 8279 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 8280 updateUserSetupCompleteAndPaired(); 8281 } else if (mDeviceProvisioned.equals(uri)) { 8282 synchronized (DevicePolicyManagerService.this) { 8283 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8284 // is delayed until device is marked as provisioned. 8285 setDeviceOwnerSystemPropertyLocked(); 8286 } 8287 } 8288 } 8289 } 8290 8291 @VisibleForTesting 8292 final class LocalService extends DevicePolicyManagerInternal { 8293 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8294 8295 @Override 8296 public List<String> getCrossProfileWidgetProviders(int profileId) { 8297 synchronized (DevicePolicyManagerService.this) { 8298 if (mOwners == null) { 8299 return Collections.emptyList(); 8300 } 8301 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8302 if (ownerComponent == null) { 8303 return Collections.emptyList(); 8304 } 8305 8306 DevicePolicyData policy = getUserDataUnchecked(profileId); 8307 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8308 8309 if (admin == null || admin.crossProfileWidgetProviders == null 8310 || admin.crossProfileWidgetProviders.isEmpty()) { 8311 return Collections.emptyList(); 8312 } 8313 8314 return admin.crossProfileWidgetProviders; 8315 } 8316 } 8317 8318 @Override 8319 public void addOnCrossProfileWidgetProvidersChangeListener( 8320 OnCrossProfileWidgetProvidersChangeListener listener) { 8321 synchronized (DevicePolicyManagerService.this) { 8322 if (mWidgetProviderListeners == null) { 8323 mWidgetProviderListeners = new ArrayList<>(); 8324 } 8325 if (!mWidgetProviderListeners.contains(listener)) { 8326 mWidgetProviderListeners.add(listener); 8327 } 8328 } 8329 } 8330 8331 @Override 8332 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8333 synchronized(DevicePolicyManagerService.this) { 8334 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8335 } 8336 } 8337 8338 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8339 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8340 synchronized (DevicePolicyManagerService.this) { 8341 listeners = new ArrayList<>(mWidgetProviderListeners); 8342 } 8343 final int listenerCount = listeners.size(); 8344 for (int i = 0; i < listenerCount; i++) { 8345 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8346 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8347 } 8348 } 8349 8350 @Override 8351 public Intent createPackageSuspendedDialogIntent(String packageName, int userId) { 8352 Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8353 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8354 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8355 8356 // This method is called from AM with its lock held, so don't take the DPMS lock. 8357 // b/29242568 8358 8359 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8360 if (profileOwner != null) { 8361 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, profileOwner); 8362 return intent; 8363 } 8364 8365 final Pair<Integer, ComponentName> deviceOwner = 8366 mOwners.getDeviceOwnerUserIdAndComponent(); 8367 if (deviceOwner != null && deviceOwner.first == userId) { 8368 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, deviceOwner.second); 8369 return intent; 8370 } 8371 8372 // We're not specifying the device admin because there isn't one. 8373 return intent; 8374 } 8375 } 8376 8377 /** 8378 * Returns true if specified admin is allowed to limit passwords and has a 8379 * {@code passwordQuality} of at least {@code minPasswordQuality} 8380 */ 8381 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8382 if (admin.passwordQuality < minPasswordQuality) { 8383 return false; 8384 } 8385 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8386 } 8387 8388 @Override 8389 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8390 if (policy != null && !policy.isValid()) { 8391 throw new IllegalArgumentException("Invalid system update policy."); 8392 } 8393 synchronized (this) { 8394 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8395 if (policy == null) { 8396 mOwners.clearSystemUpdatePolicy(); 8397 } else { 8398 mOwners.setSystemUpdatePolicy(policy); 8399 } 8400 mOwners.writeDeviceOwner(); 8401 } 8402 mContext.sendBroadcastAsUser( 8403 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8404 UserHandle.SYSTEM); 8405 } 8406 8407 @Override 8408 public SystemUpdatePolicy getSystemUpdatePolicy() { 8409 if (UserManager.isDeviceInDemoMode(mContext)) { 8410 // Pretending to have an automatic update policy when the device is in retail demo 8411 // mode. This will allow the device to download and install an ota without 8412 // any user interaction. 8413 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 8414 } 8415 synchronized (this) { 8416 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8417 if (policy != null && !policy.isValid()) { 8418 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8419 return null; 8420 } 8421 return policy; 8422 } 8423 } 8424 8425 /** 8426 * Checks if the caller of the method is the device owner app. 8427 * 8428 * @param callerUid UID of the caller. 8429 * @return true if the caller is the device owner app 8430 */ 8431 @VisibleForTesting 8432 boolean isCallerDeviceOwner(int callerUid) { 8433 synchronized (this) { 8434 if (!mOwners.hasDeviceOwner()) { 8435 return false; 8436 } 8437 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8438 return false; 8439 } 8440 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8441 .getPackageName(); 8442 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 8443 8444 for (String pkg : pkgs) { 8445 if (deviceOwnerPackageName.equals(pkg)) { 8446 return true; 8447 } 8448 } 8449 } 8450 8451 return false; 8452 } 8453 8454 @Override 8455 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8456 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8457 "Only the system update service can broadcast update information"); 8458 8459 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8460 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8461 "can broadcast update information."); 8462 return; 8463 } 8464 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8465 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8466 updateReceivedTime); 8467 8468 synchronized (this) { 8469 final String deviceOwnerPackage = 8470 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 8471 : null; 8472 if (deviceOwnerPackage == null) { 8473 return; 8474 } 8475 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 8476 8477 ActivityInfo[] receivers = null; 8478 try { 8479 receivers = mContext.getPackageManager().getPackageInfo( 8480 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 8481 } catch (NameNotFoundException e) { 8482 Log.e(LOG_TAG, "Cannot find device owner package", e); 8483 } 8484 if (receivers != null) { 8485 long ident = mInjector.binderClearCallingIdentity(); 8486 try { 8487 for (int i = 0; i < receivers.length; i++) { 8488 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 8489 intent.setComponent(new ComponentName(deviceOwnerPackage, 8490 receivers[i].name)); 8491 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8492 } 8493 } 8494 } finally { 8495 mInjector.binderRestoreCallingIdentity(ident); 8496 } 8497 } 8498 } 8499 } 8500 8501 @Override 8502 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8503 int userId = UserHandle.getCallingUserId(); 8504 synchronized (this) { 8505 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8506 DevicePolicyData userPolicy = getUserData(userId); 8507 if (userPolicy.mPermissionPolicy != policy) { 8508 userPolicy.mPermissionPolicy = policy; 8509 saveSettingsLocked(userId); 8510 } 8511 } 8512 } 8513 8514 @Override 8515 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8516 int userId = UserHandle.getCallingUserId(); 8517 synchronized (this) { 8518 DevicePolicyData userPolicy = getUserData(userId); 8519 return userPolicy.mPermissionPolicy; 8520 } 8521 } 8522 8523 @Override 8524 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8525 String permission, int grantState) throws RemoteException { 8526 UserHandle user = mInjector.binderGetCallingUserHandle(); 8527 synchronized (this) { 8528 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8529 long ident = mInjector.binderClearCallingIdentity(); 8530 try { 8531 if (getTargetSdk(packageName, user.getIdentifier()) 8532 < android.os.Build.VERSION_CODES.M) { 8533 return false; 8534 } 8535 final PackageManager packageManager = mContext.getPackageManager(); 8536 switch (grantState) { 8537 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8538 packageManager.grantRuntimePermission(packageName, permission, user); 8539 packageManager.updatePermissionFlags(permission, packageName, 8540 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8541 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8542 } break; 8543 8544 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8545 packageManager.revokeRuntimePermission(packageName, 8546 permission, user); 8547 packageManager.updatePermissionFlags(permission, packageName, 8548 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8549 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8550 } break; 8551 8552 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8553 packageManager.updatePermissionFlags(permission, packageName, 8554 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8555 } break; 8556 } 8557 return true; 8558 } catch (SecurityException se) { 8559 return false; 8560 } finally { 8561 mInjector.binderRestoreCallingIdentity(ident); 8562 } 8563 } 8564 } 8565 8566 @Override 8567 public int getPermissionGrantState(ComponentName admin, String packageName, 8568 String permission) throws RemoteException { 8569 PackageManager packageManager = mContext.getPackageManager(); 8570 8571 UserHandle user = mInjector.binderGetCallingUserHandle(); 8572 synchronized (this) { 8573 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8574 long ident = mInjector.binderClearCallingIdentity(); 8575 try { 8576 int granted = mIPackageManager.checkPermission(permission, 8577 packageName, user.getIdentifier()); 8578 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8579 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8580 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8581 // Not controlled by policy 8582 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8583 } else { 8584 // Policy controlled so return result based on permission grant state 8585 return granted == PackageManager.PERMISSION_GRANTED 8586 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8587 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8588 } 8589 } finally { 8590 mInjector.binderRestoreCallingIdentity(ident); 8591 } 8592 } 8593 } 8594 8595 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8596 try { 8597 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8598 userHandle); 8599 return (pi != null) && (pi.applicationInfo.flags != 0); 8600 } catch (RemoteException re) { 8601 throw new RuntimeException("Package manager has died", re); 8602 } 8603 } 8604 8605 @Override 8606 public boolean isProvisioningAllowed(String action) { 8607 if (!mHasFeature) { 8608 return false; 8609 } 8610 8611 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8612 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 8613 if (!hasFeatureManagedUsers()) { 8614 return false; 8615 } 8616 synchronized (this) { 8617 if (mOwners.hasDeviceOwner()) { 8618 if (!mInjector.userManagerIsSplitSystemUser()) { 8619 // Only split-system-user systems support managed-profiles in combination with 8620 // device-owner. 8621 return false; 8622 } 8623 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 8624 // Only system device-owner supports managed-profiles. Non-system device-owner 8625 // doesn't. 8626 return false; 8627 } 8628 if (callingUserId == UserHandle.USER_SYSTEM) { 8629 // Managed-profiles cannot be setup on the system user, only regular users. 8630 return false; 8631 } 8632 } 8633 } 8634 if (getProfileOwner(callingUserId) != null) { 8635 // Managed user cannot have a managed profile. 8636 return false; 8637 } 8638 final long ident = mInjector.binderClearCallingIdentity(); 8639 try { 8640 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 8641 return false; 8642 } 8643 } finally { 8644 mInjector.binderRestoreCallingIdentity(ident); 8645 } 8646 return true; 8647 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 8648 return isDeviceOwnerProvisioningAllowed(callingUserId); 8649 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 8650 if (!hasFeatureManagedUsers()) { 8651 return false; 8652 } 8653 if (!mInjector.userManagerIsSplitSystemUser()) { 8654 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 8655 return false; 8656 } 8657 if (callingUserId == UserHandle.USER_SYSTEM) { 8658 // System user cannot be a managed user. 8659 return false; 8660 } 8661 if (hasUserSetupCompleted(callingUserId)) { 8662 return false; 8663 } 8664 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 8665 return false; 8666 } 8667 return true; 8668 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 8669 if (!mInjector.userManagerIsSplitSystemUser()) { 8670 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 8671 return false; 8672 } 8673 return isDeviceOwnerProvisioningAllowed(callingUserId); 8674 } 8675 throw new IllegalArgumentException("Unknown provisioning action " + action); 8676 } 8677 8678 /* 8679 * The device owner can only be set before the setup phase of the primary user has completed, 8680 * except for adb command if no accounts or additional users are present on the device. 8681 */ 8682 private synchronized @DeviceOwnerPreConditionCode int checkSetDeviceOwnerPreConditionLocked( 8683 @Nullable ComponentName owner, int deviceOwnerUserId, boolean isAdb) { 8684 if (mOwners.hasDeviceOwner()) { 8685 return CODE_HAS_DEVICE_OWNER; 8686 } 8687 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8688 return CODE_USER_HAS_PROFILE_OWNER; 8689 } 8690 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8691 return CODE_USER_NOT_RUNNING; 8692 } 8693 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 8694 return CODE_HAS_PAIRED; 8695 } 8696 if (isAdb) { 8697 // if shell command runs after user setup completed check device status. Otherwise, OK. 8698 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8699 if (!mInjector.userManagerIsSplitSystemUser()) { 8700 if (mUserManager.getUserCount() > 1) { 8701 return CODE_NONSYSTEM_USER_EXISTS; 8702 } 8703 if (hasIncompatibleAccountsLocked(UserHandle.USER_SYSTEM, owner)) { 8704 return CODE_ACCOUNTS_NOT_EMPTY; 8705 } 8706 } else { 8707 // STOPSHIP Do proper check in split user mode 8708 } 8709 } 8710 return CODE_OK; 8711 } else { 8712 if (!mInjector.userManagerIsSplitSystemUser()) { 8713 // In non-split user mode, DO has to be user 0 8714 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8715 return CODE_NOT_SYSTEM_USER; 8716 } 8717 // In non-split user mode, only provision DO before setup wizard completes 8718 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8719 return CODE_USER_SETUP_COMPLETED; 8720 } 8721 } else { 8722 // STOPSHIP Do proper check in split user mode 8723 } 8724 return CODE_OK; 8725 } 8726 } 8727 8728 private boolean isDeviceOwnerProvisioningAllowed(int deviceOwnerUserId) { 8729 synchronized (this) { 8730 return CODE_OK == checkSetDeviceOwnerPreConditionLocked( 8731 /* owner unknown */ null, deviceOwnerUserId, /* isAdb */ false); 8732 } 8733 } 8734 8735 private boolean hasFeatureManagedUsers() { 8736 try { 8737 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 8738 } catch (RemoteException e) { 8739 return false; 8740 } 8741 } 8742 8743 @Override 8744 public String getWifiMacAddress(ComponentName admin) { 8745 // Make sure caller has DO. 8746 synchronized (this) { 8747 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8748 } 8749 8750 final long ident = mInjector.binderClearCallingIdentity(); 8751 try { 8752 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 8753 if (wifiInfo == null) { 8754 return null; 8755 } 8756 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 8757 } finally { 8758 mInjector.binderRestoreCallingIdentity(ident); 8759 } 8760 } 8761 8762 /** 8763 * Returns the target sdk version number that the given packageName was built for 8764 * in the given user. 8765 */ 8766 private int getTargetSdk(String packageName, int userId) { 8767 final ApplicationInfo ai; 8768 try { 8769 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 8770 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 8771 return targetSdkVersion; 8772 } catch (RemoteException e) { 8773 // Shouldn't happen 8774 return 0; 8775 } 8776 } 8777 8778 @Override 8779 public boolean isManagedProfile(ComponentName admin) { 8780 synchronized (this) { 8781 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8782 } 8783 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8784 final UserInfo user = getUserInfo(callingUserId); 8785 return user != null && user.isManagedProfile(); 8786 } 8787 8788 @Override 8789 public boolean isSystemOnlyUser(ComponentName admin) { 8790 synchronized (this) { 8791 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8792 } 8793 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8794 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 8795 } 8796 8797 @Override 8798 public void reboot(ComponentName admin) { 8799 Preconditions.checkNotNull(admin); 8800 // Make sure caller has DO. 8801 synchronized (this) { 8802 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8803 } 8804 long ident = mInjector.binderClearCallingIdentity(); 8805 try { 8806 // Make sure there are no ongoing calls on the device. 8807 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 8808 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 8809 } 8810 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 8811 } finally { 8812 mInjector.binderRestoreCallingIdentity(ident); 8813 } 8814 } 8815 8816 @Override 8817 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 8818 if (!mHasFeature) { 8819 return; 8820 } 8821 Preconditions.checkNotNull(who, "ComponentName is null"); 8822 final int userHandle = mInjector.userHandleGetCallingUserId(); 8823 synchronized (this) { 8824 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8825 mInjector.binderGetCallingUid()); 8826 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 8827 admin.shortSupportMessage = message; 8828 saveSettingsLocked(userHandle); 8829 } 8830 } 8831 } 8832 8833 @Override 8834 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 8835 if (!mHasFeature) { 8836 return null; 8837 } 8838 Preconditions.checkNotNull(who, "ComponentName is null"); 8839 synchronized (this) { 8840 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8841 mInjector.binderGetCallingUid()); 8842 return admin.shortSupportMessage; 8843 } 8844 } 8845 8846 @Override 8847 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 8848 if (!mHasFeature) { 8849 return; 8850 } 8851 Preconditions.checkNotNull(who, "ComponentName is null"); 8852 final int userHandle = mInjector.userHandleGetCallingUserId(); 8853 synchronized (this) { 8854 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8855 mInjector.binderGetCallingUid()); 8856 if (!TextUtils.equals(admin.longSupportMessage, message)) { 8857 admin.longSupportMessage = message; 8858 saveSettingsLocked(userHandle); 8859 } 8860 } 8861 } 8862 8863 @Override 8864 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 8865 if (!mHasFeature) { 8866 return null; 8867 } 8868 Preconditions.checkNotNull(who, "ComponentName is null"); 8869 synchronized (this) { 8870 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8871 mInjector.binderGetCallingUid()); 8872 return admin.longSupportMessage; 8873 } 8874 } 8875 8876 @Override 8877 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8878 if (!mHasFeature) { 8879 return null; 8880 } 8881 Preconditions.checkNotNull(who, "ComponentName is null"); 8882 if (!isCallerWithSystemUid()) { 8883 throw new SecurityException("Only the system can query support message for user"); 8884 } 8885 synchronized (this) { 8886 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8887 if (admin != null) { 8888 return admin.shortSupportMessage; 8889 } 8890 } 8891 return null; 8892 } 8893 8894 @Override 8895 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8896 if (!mHasFeature) { 8897 return null; 8898 } 8899 Preconditions.checkNotNull(who, "ComponentName is null"); 8900 if (!isCallerWithSystemUid()) { 8901 throw new SecurityException("Only the system can query support message for user"); 8902 } 8903 synchronized (this) { 8904 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8905 if (admin != null) { 8906 return admin.longSupportMessage; 8907 } 8908 } 8909 return null; 8910 } 8911 8912 @Override 8913 public void setOrganizationColor(@NonNull ComponentName who, int color) { 8914 if (!mHasFeature) { 8915 return; 8916 } 8917 Preconditions.checkNotNull(who, "ComponentName is null"); 8918 final int userHandle = mInjector.userHandleGetCallingUserId(); 8919 enforceManagedProfile(userHandle, "set organization color"); 8920 synchronized (this) { 8921 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8922 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8923 admin.organizationColor = color; 8924 saveSettingsLocked(userHandle); 8925 } 8926 } 8927 8928 @Override 8929 public void setOrganizationColorForUser(int color, int userId) { 8930 if (!mHasFeature) { 8931 return; 8932 } 8933 enforceFullCrossUsersPermission(userId); 8934 enforceManageUsers(); 8935 enforceManagedProfile(userId, "set organization color"); 8936 synchronized (this) { 8937 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8938 admin.organizationColor = color; 8939 saveSettingsLocked(userId); 8940 } 8941 } 8942 8943 @Override 8944 public int getOrganizationColor(@NonNull ComponentName who) { 8945 if (!mHasFeature) { 8946 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8947 } 8948 Preconditions.checkNotNull(who, "ComponentName is null"); 8949 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 8950 synchronized (this) { 8951 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8952 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8953 return admin.organizationColor; 8954 } 8955 } 8956 8957 @Override 8958 public int getOrganizationColorForUser(int userHandle) { 8959 if (!mHasFeature) { 8960 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8961 } 8962 enforceFullCrossUsersPermission(userHandle); 8963 enforceManagedProfile(userHandle, "get organization color"); 8964 synchronized (this) { 8965 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8966 return (profileOwner != null) 8967 ? profileOwner.organizationColor 8968 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 8969 } 8970 } 8971 8972 @Override 8973 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 8974 if (!mHasFeature) { 8975 return; 8976 } 8977 Preconditions.checkNotNull(who, "ComponentName is null"); 8978 final int userHandle = mInjector.userHandleGetCallingUserId(); 8979 enforceManagedProfile(userHandle, "set organization name"); 8980 synchronized (this) { 8981 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8982 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8983 if (!TextUtils.equals(admin.organizationName, text)) { 8984 admin.organizationName = (text == null || text.length() == 0) 8985 ? null : text.toString(); 8986 saveSettingsLocked(userHandle); 8987 } 8988 } 8989 } 8990 8991 @Override 8992 public CharSequence getOrganizationName(@NonNull ComponentName who) { 8993 if (!mHasFeature) { 8994 return null; 8995 } 8996 Preconditions.checkNotNull(who, "ComponentName is null"); 8997 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 8998 synchronized(this) { 8999 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9000 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9001 return admin.organizationName; 9002 } 9003 } 9004 9005 @Override 9006 public CharSequence getOrganizationNameForUser(int userHandle) { 9007 if (!mHasFeature) { 9008 return null; 9009 } 9010 enforceFullCrossUsersPermission(userHandle); 9011 enforceManagedProfile(userHandle, "get organization name"); 9012 synchronized (this) { 9013 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9014 return (profileOwner != null) 9015 ? profileOwner.organizationName 9016 : null; 9017 } 9018 } 9019 9020 @Override 9021 public void setAffiliationIds(ComponentName admin, List<String> ids) { 9022 final Set<String> affiliationIds = new ArraySet<String>(ids); 9023 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9024 9025 synchronized (this) { 9026 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9027 getUserData(callingUserId).mAffiliationIds = affiliationIds; 9028 saveSettingsLocked(callingUserId); 9029 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 9030 // Affiliation ids specified by the device owner are additionally stored in 9031 // UserHandle.USER_SYSTEM's DevicePolicyData. 9032 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 9033 saveSettingsLocked(UserHandle.USER_SYSTEM); 9034 } 9035 } 9036 } 9037 9038 @Override 9039 public boolean isAffiliatedUser() { 9040 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9041 9042 synchronized (this) { 9043 if (mOwners.getDeviceOwnerUserId() == callingUserId) { 9044 // The user that the DO is installed on is always affiliated. 9045 return true; 9046 } 9047 final ComponentName profileOwner = getProfileOwner(callingUserId); 9048 if (profileOwner == null 9049 || !profileOwner.getPackageName().equals(mOwners.getDeviceOwnerPackageName())) { 9050 return false; 9051 } 9052 final Set<String> userAffiliationIds = getUserData(callingUserId).mAffiliationIds; 9053 final Set<String> deviceAffiliationIds = 9054 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 9055 for (String id : userAffiliationIds) { 9056 if (deviceAffiliationIds.contains(id)) { 9057 return true; 9058 } 9059 } 9060 } 9061 return false; 9062 } 9063 9064 private synchronized void disableDeviceOwnerManagedSingleUserFeaturesIfNeeded() { 9065 if (!isDeviceOwnerManagedSingleUserDevice()) { 9066 mInjector.securityLogSetLoggingEnabledProperty(false); 9067 Slog.w(LOG_TAG, "Security logging turned off as it's no longer a single user device."); 9068 if (mOwners.hasDeviceOwner()) { 9069 setBackupServiceEnabledInternal(false); 9070 Slog.w(LOG_TAG, "Backup is off as it's a managed device that has more that one user."); 9071 } 9072 } 9073 } 9074 9075 @Override 9076 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 9077 Preconditions.checkNotNull(admin); 9078 ensureDeviceOwnerManagingSingleUser(admin); 9079 9080 synchronized (this) { 9081 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 9082 return; 9083 } 9084 mInjector.securityLogSetLoggingEnabledProperty(enabled); 9085 if (enabled) { 9086 mSecurityLogMonitor.start(); 9087 } else { 9088 mSecurityLogMonitor.stop(); 9089 } 9090 } 9091 } 9092 9093 @Override 9094 public boolean isSecurityLoggingEnabled(ComponentName admin) { 9095 Preconditions.checkNotNull(admin); 9096 synchronized (this) { 9097 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9098 return mInjector.securityLogGetLoggingEnabledProperty(); 9099 } 9100 } 9101 9102 @Override 9103 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 9104 Preconditions.checkNotNull(admin); 9105 ensureDeviceOwnerManagingSingleUser(admin); 9106 9107 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs)) { 9108 return null; 9109 } 9110 9111 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 9112 try { 9113 SecurityLog.readPreviousEvents(output); 9114 return new ParceledListSlice<SecurityEvent>(output); 9115 } catch (IOException e) { 9116 Slog.w(LOG_TAG, "Fail to read previous events" , e); 9117 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 9118 } 9119 } 9120 9121 @Override 9122 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 9123 Preconditions.checkNotNull(admin); 9124 ensureDeviceOwnerManagingSingleUser(admin); 9125 9126 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 9127 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 9128 } 9129 9130 private void enforceCanManageDeviceAdmin() { 9131 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 9132 null); 9133 } 9134 9135 private void enforceCanManageProfileAndDeviceOwners() { 9136 mContext.enforceCallingOrSelfPermission( 9137 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 9138 } 9139 9140 @Override 9141 public boolean isUninstallInQueue(final String packageName) { 9142 enforceCanManageDeviceAdmin(); 9143 final int userId = mInjector.userHandleGetCallingUserId(); 9144 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9145 synchronized (this) { 9146 return mPackagesToRemove.contains(packageUserPair); 9147 } 9148 } 9149 9150 @Override 9151 public void uninstallPackageWithActiveAdmins(final String packageName) { 9152 enforceCanManageDeviceAdmin(); 9153 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 9154 9155 final int userId = mInjector.userHandleGetCallingUserId(); 9156 9157 enforceUserUnlocked(userId); 9158 9159 final ComponentName profileOwner = getProfileOwner(userId); 9160 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 9161 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 9162 } 9163 9164 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 9165 if (getDeviceOwnerUserId() == userId && deviceOwner != null 9166 && packageName.equals(deviceOwner.getPackageName())) { 9167 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 9168 } 9169 9170 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9171 synchronized (this) { 9172 mPackagesToRemove.add(packageUserPair); 9173 } 9174 9175 // All active admins on the user. 9176 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 9177 9178 // Active admins in the target package. 9179 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 9180 if (allActiveAdmins != null) { 9181 for (ComponentName activeAdmin : allActiveAdmins) { 9182 if (packageName.equals(activeAdmin.getPackageName())) { 9183 packageActiveAdmins.add(activeAdmin); 9184 removeActiveAdmin(activeAdmin, userId); 9185 } 9186 } 9187 } 9188 if (packageActiveAdmins.size() == 0) { 9189 startUninstallIntent(packageName, userId); 9190 } else { 9191 mHandler.postDelayed(new Runnable() { 9192 @Override 9193 public void run() { 9194 for (ComponentName activeAdmin : packageActiveAdmins) { 9195 removeAdminArtifacts(activeAdmin, userId); 9196 } 9197 startUninstallIntent(packageName, userId); 9198 } 9199 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 9200 } 9201 } 9202 9203 @Override 9204 public boolean isDeviceProvisioned() { 9205 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 9206 } 9207 9208 private void removePackageIfRequired(final String packageName, final int userId) { 9209 if (!packageHasActiveAdmins(packageName, userId)) { 9210 // Will not do anything if uninstall was not requested or was already started. 9211 startUninstallIntent(packageName, userId); 9212 } 9213 } 9214 9215 private void startUninstallIntent(final String packageName, final int userId) { 9216 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9217 synchronized (this) { 9218 if (!mPackagesToRemove.contains(packageUserPair)) { 9219 // Do nothing if uninstall was not requested or was already started. 9220 return; 9221 } 9222 mPackagesToRemove.remove(packageUserPair); 9223 } 9224 try { 9225 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 9226 // Package does not exist. Nothing to do. 9227 return; 9228 } 9229 } catch (RemoteException re) { 9230 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 9231 } 9232 9233 try { // force stop the package before uninstalling 9234 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 9235 } catch (RemoteException re) { 9236 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 9237 } 9238 final Uri packageURI = Uri.parse("package:" + packageName); 9239 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9240 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9241 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9242 } 9243 9244 /** 9245 * Removes the admin from the policy. Ideally called after the admin's 9246 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9247 * 9248 * @param adminReceiver The admin to remove 9249 * @param userHandle The user for which this admin has to be removed. 9250 */ 9251 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9252 synchronized (this) { 9253 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9254 if (admin == null) { 9255 return; 9256 } 9257 final DevicePolicyData policy = getUserData(userHandle); 9258 final boolean doProxyCleanup = admin.info.usesPolicy( 9259 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9260 policy.mAdminList.remove(admin); 9261 policy.mAdminMap.remove(adminReceiver); 9262 validatePasswordOwnerLocked(policy); 9263 if (doProxyCleanup) { 9264 resetGlobalProxyLocked(policy); 9265 } 9266 saveSettingsLocked(userHandle); 9267 updateMaximumTimeToLockLocked(userHandle); 9268 policy.mRemovingAdmins.remove(adminReceiver); 9269 9270 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 9271 } 9272 // The removed admin might have disabled camera, so update user 9273 // restrictions. 9274 pushUserRestrictions(userHandle); 9275 } 9276 9277 @Override 9278 public void setDeviceProvisioningConfigApplied() { 9279 enforceManageUsers(); 9280 synchronized (this) { 9281 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9282 policy.mDeviceProvisioningConfigApplied = true; 9283 saveSettingsLocked(UserHandle.USER_SYSTEM); 9284 } 9285 } 9286 9287 @Override 9288 public boolean isDeviceProvisioningConfigApplied() { 9289 enforceManageUsers(); 9290 synchronized (this) { 9291 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9292 return policy.mDeviceProvisioningConfigApplied; 9293 } 9294 } 9295 9296 /** 9297 * Return true if a given user has any accounts that'll prevent installing a device or profile 9298 * owner {@code owner}. 9299 * - If the user has no accounts, then return false. 9300 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 9301 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 9302 * ..._DISALLOWED, return true. 9303 * - Otherwise return false. 9304 */ 9305 private boolean hasIncompatibleAccountsLocked(int userId, @Nullable ComponentName owner) { 9306 final long token = mInjector.binderClearCallingIdentity(); 9307 try { 9308 final AccountManager am = AccountManager.get(mContext); 9309 final Account accounts[] = am.getAccountsAsUser(userId); 9310 if (accounts.length == 0) { 9311 return false; 9312 } 9313 final String[] feature_allow = 9314 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 9315 final String[] feature_disallow = 9316 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 9317 9318 // Even if we find incompatible accounts along the way, we still check all accounts 9319 // for logging. 9320 boolean compatible = true; 9321 for (Account account : accounts) { 9322 if (hasAccountFeatures(am, account, feature_disallow)) { 9323 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 9324 compatible = false; 9325 } 9326 if (!hasAccountFeatures(am, account, feature_allow)) { 9327 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 9328 compatible = false; 9329 } 9330 } 9331 if (compatible) { 9332 Log.w(LOG_TAG, "All accounts are compatible"); 9333 } else { 9334 Log.e(LOG_TAG, "Found incompatible accounts"); 9335 } 9336 9337 // Then check if the owner is test-only. 9338 String log; 9339 if (owner == null) { 9340 // Owner is unknown. Suppose it's not test-only 9341 compatible = false; 9342 log = "Only test-only device/profile owner can be installed with accounts"; 9343 } else if (isAdminTestOnlyLocked(owner, userId)) { 9344 if (compatible) { 9345 log = "Installing test-only owner " + owner; 9346 } else { 9347 log = "Can't install test-only owner " + owner + " with incompatible accounts"; 9348 } 9349 } else { 9350 compatible = false; 9351 log = "Can't install non test-only owner " + owner + " with accounts"; 9352 } 9353 if (compatible) { 9354 Log.w(LOG_TAG, log); 9355 } else { 9356 Log.e(LOG_TAG, log); 9357 } 9358 return !compatible; 9359 } finally { 9360 mInjector.binderRestoreCallingIdentity(token); 9361 } 9362 } 9363 9364 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 9365 try { 9366 return am.hasFeatures(account, features, null, null).getResult(); 9367 } catch (Exception e) { 9368 Log.w(LOG_TAG, "Failed to get account feature", e); 9369 return false; 9370 } 9371 } 9372 9373 @Override 9374 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 9375 Preconditions.checkNotNull(admin); 9376 if (!mHasFeature) { 9377 return; 9378 } 9379 ensureDeviceOwnerManagingSingleUser(admin); 9380 setBackupServiceEnabledInternal(enabled); 9381 } 9382 9383 private synchronized void setBackupServiceEnabledInternal(boolean enabled) { 9384 long ident = mInjector.binderClearCallingIdentity(); 9385 try { 9386 IBackupManager ibm = mInjector.getIBackupManager(); 9387 if (ibm != null) { 9388 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 9389 } 9390 } catch (RemoteException e) { 9391 throw new IllegalStateException( 9392 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 9393 } finally { 9394 mInjector.binderRestoreCallingIdentity(ident); 9395 } 9396 } 9397 9398 @Override 9399 public boolean isBackupServiceEnabled(ComponentName admin) { 9400 Preconditions.checkNotNull(admin); 9401 if (!mHasFeature) { 9402 return true; 9403 } 9404 synchronized (this) { 9405 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9406 try { 9407 IBackupManager ibm = mInjector.getIBackupManager(); 9408 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 9409 } catch (RemoteException e) { 9410 throw new IllegalStateException("Failed requesting backup service state.", e); 9411 } 9412 } 9413 } 9414} 9415