DevicePolicyManagerService.java revision f98ed6863a7f64c535a66006852a934b05d550bc
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 21import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24 25import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 26import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 27import static org.xmlpull.v1.XmlPullParser.END_TAG; 28import static org.xmlpull.v1.XmlPullParser.TEXT; 29 30import android.Manifest.permission; 31import android.accessibilityservice.AccessibilityServiceInfo; 32import android.accounts.AccountManager; 33import android.annotation.IntDef; 34import android.annotation.NonNull; 35import android.annotation.Nullable; 36import android.annotation.UserIdInt; 37import android.app.Activity; 38import android.app.ActivityManager; 39import android.app.ActivityManagerNative; 40import android.app.AlarmManager; 41import android.app.AppGlobals; 42import android.app.IActivityManager; 43import android.app.Notification; 44import android.app.NotificationManager; 45import android.app.PendingIntent; 46import android.app.StatusBarManager; 47import android.app.admin.DeviceAdminInfo; 48import android.app.admin.DeviceAdminReceiver; 49import android.app.admin.DevicePolicyManager; 50import android.app.admin.DevicePolicyManagerInternal; 51import android.app.admin.IDevicePolicyManager; 52import android.app.admin.SecurityLog; 53import android.app.admin.SecurityLog.SecurityEvent; 54import android.app.admin.SystemUpdatePolicy; 55import android.app.backup.IBackupManager; 56import android.app.trust.TrustManager; 57import android.content.BroadcastReceiver; 58import android.content.ComponentName; 59import android.content.Context; 60import android.content.Intent; 61import android.content.IntentFilter; 62import android.content.pm.ActivityInfo; 63import android.content.pm.ApplicationInfo; 64import android.content.pm.IPackageManager; 65import android.content.pm.PackageInfo; 66import android.content.pm.PackageManager; 67import android.content.pm.PackageManager.NameNotFoundException; 68import android.content.pm.PackageManagerInternal; 69import android.content.pm.ParceledListSlice; 70import android.content.pm.ResolveInfo; 71import android.content.pm.ServiceInfo; 72import android.content.pm.UserInfo; 73import android.database.ContentObserver; 74import android.graphics.Bitmap; 75import android.graphics.Color; 76import android.media.AudioManager; 77import android.media.IAudioService; 78import android.net.ConnectivityManager; 79import android.net.ProxyInfo; 80import android.net.Uri; 81import android.net.wifi.WifiInfo; 82import android.net.wifi.WifiManager; 83import android.os.AsyncTask; 84import android.os.Binder; 85import android.os.Build; 86import android.os.Bundle; 87import android.os.Environment; 88import android.os.FileUtils; 89import android.os.Handler; 90import android.os.IBinder; 91import android.os.Looper; 92import android.os.ParcelFileDescriptor; 93import android.os.PersistableBundle; 94import android.os.PowerManager; 95import android.os.PowerManagerInternal; 96import android.os.Process; 97import android.os.RecoverySystem; 98import android.os.RemoteCallback; 99import android.os.RemoteException; 100import android.os.ServiceManager; 101import android.os.SystemClock; 102import android.os.SystemProperties; 103import android.os.UserHandle; 104import android.os.UserManager; 105import android.os.UserManagerInternal; 106import android.os.storage.StorageManager; 107import android.provider.ContactsContract.QuickContact; 108import android.provider.ContactsInternal; 109import android.provider.Settings; 110import android.security.Credentials; 111import android.security.IKeyChainAliasCallback; 112import android.security.IKeyChainService; 113import android.security.KeyChain; 114import android.security.KeyChain.KeyChainConnection; 115import android.service.persistentdata.PersistentDataBlockManager; 116import android.telephony.TelephonyManager; 117import android.text.TextUtils; 118import android.util.ArrayMap; 119import android.util.ArraySet; 120import android.util.Log; 121import android.util.Pair; 122import android.util.Slog; 123import android.util.SparseArray; 124import android.util.Xml; 125import android.view.IWindowManager; 126import android.view.accessibility.AccessibilityManager; 127import android.view.accessibility.IAccessibilityManager; 128import android.view.inputmethod.InputMethodInfo; 129import android.view.inputmethod.InputMethodManager; 130 131import com.android.internal.R; 132import com.android.internal.annotations.VisibleForTesting; 133import com.android.internal.statusbar.IStatusBarService; 134import com.android.internal.util.FastXmlSerializer; 135import com.android.internal.util.JournaledFile; 136import com.android.internal.util.ParcelableString; 137import com.android.internal.util.Preconditions; 138import com.android.internal.util.XmlUtils; 139import com.android.internal.widget.LockPatternUtils; 140import com.android.server.LocalServices; 141import com.android.server.SystemService; 142import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 143import com.android.server.pm.UserRestrictionsUtils; 144import com.google.android.collect.Sets; 145 146import org.xmlpull.v1.XmlPullParser; 147import org.xmlpull.v1.XmlPullParserException; 148import org.xmlpull.v1.XmlSerializer; 149 150import java.io.ByteArrayInputStream; 151import java.io.File; 152import java.io.FileDescriptor; 153import java.io.FileInputStream; 154import java.io.FileNotFoundException; 155import java.io.FileOutputStream; 156import java.io.IOException; 157import java.io.PrintWriter; 158import java.lang.annotation.Retention; 159import java.lang.annotation.RetentionPolicy; 160import java.nio.charset.StandardCharsets; 161import java.security.cert.CertificateException; 162import java.security.cert.CertificateFactory; 163import java.security.cert.X509Certificate; 164import java.text.DateFormat; 165import java.util.ArrayList; 166import java.util.Arrays; 167import java.util.Collections; 168import java.util.Date; 169import java.util.List; 170import java.util.Map.Entry; 171import java.util.Set; 172import java.util.concurrent.atomic.AtomicBoolean; 173 174/** 175 * Implementation of the device policy APIs. 176 */ 177public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 178 179 private static final String LOG_TAG = "DevicePolicyManagerService"; 180 181 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 182 183 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 184 185 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 186 187 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 188 189 private static final String TAG_STATUS_BAR = "statusbar"; 190 191 private static final String ATTR_DISABLED = "disabled"; 192 193 private static final String ATTR_NAME = "name"; 194 195 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 196 "do-not-ask-credentials-on-boot"; 197 198 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 199 200 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 201 202 private static final String ATTR_VALUE = "value"; 203 204 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 205 206 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 207 208 private static final long MS_PER_DAY = 86400 * 1000; 209 210 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 211 212 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 213 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 214 215 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 216 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 217 218 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 219 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 220 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 221 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 222 223 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 224 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 225 = "application-restrictions-manager"; 226 227 /** 228 * System property whose value is either "true" or "false", indicating whether 229 */ 230 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 231 232 private static final int STATUS_BAR_DISABLE_MASK = 233 StatusBarManager.DISABLE_EXPAND | 234 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 235 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 236 StatusBarManager.DISABLE_SEARCH; 237 238 private static final int STATUS_BAR_DISABLE2_MASK = 239 StatusBarManager.DISABLE2_QUICK_SETTINGS; 240 241 private static final Set<String> SECURE_SETTINGS_WHITELIST; 242 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 243 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 244 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 245 static { 246 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 247 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 248 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 249 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 250 251 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 252 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 253 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 254 255 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 256 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 257 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 258 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 259 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 260 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 261 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 262 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 263 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 264 265 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 266 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 267 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 268 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 269 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 270 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 271 } 272 273 /** 274 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 275 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 276 * instance. 277 */ 278 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 279 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 280 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 281 282 /** 283 * Keyguard features that when set on a profile affect the profile content or challenge only. 284 * These cannot be set on the managed profile's parent DPM instance 285 */ 286 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 287 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 288 289 /** Keyguard features that are allowed to be set on a managed profile */ 290 private static final int PROFILE_KEYGUARD_FEATURES = 291 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 292 293 private static final int CODE_OK = 0; 294 private static final int CODE_HAS_DEVICE_OWNER = 1; 295 private static final int CODE_USER_HAS_PROFILE_OWNER = 2; 296 private static final int CODE_USER_NOT_RUNNING = 3; 297 private static final int CODE_USER_SETUP_COMPLETED = 4; 298 private static final int CODE_NONSYSTEM_USER_EXISTS = 5; 299 private static final int CODE_ACCOUNTS_NOT_EMPTY = 6; 300 private static final int CODE_NOT_SYSTEM_USER = 7; 301 302 @Retention(RetentionPolicy.SOURCE) 303 @IntDef({ CODE_OK, CODE_HAS_DEVICE_OWNER, CODE_USER_HAS_PROFILE_OWNER, CODE_USER_NOT_RUNNING, 304 CODE_USER_SETUP_COMPLETED, CODE_NOT_SYSTEM_USER }) 305 private @interface DeviceOwnerPreConditionCode {} 306 307 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 308 309 final Context mContext; 310 final Injector mInjector; 311 final IPackageManager mIPackageManager; 312 final UserManager mUserManager; 313 final UserManagerInternal mUserManagerInternal; 314 final TelephonyManager mTelephonyManager; 315 private final LockPatternUtils mLockPatternUtils; 316 317 /** 318 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 319 * is requested for user u. 320 */ 321 private final Set<Pair<String, Integer>> mPackagesToRemove = 322 new ArraySet<Pair<String, Integer>>(); 323 324 final LocalService mLocalService; 325 326 // Stores and loads state on device and profile owners. 327 @VisibleForTesting 328 final Owners mOwners; 329 330 private final Binder mToken = new Binder(); 331 332 /** 333 * Whether or not device admin feature is supported. If it isn't return defaults for all 334 * public methods. 335 */ 336 boolean mHasFeature; 337 338 private final SecurityLogMonitor mSecurityLogMonitor; 339 340 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 341 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 342 343 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 344 @Override 345 public void run() { 346 if(mRemoteBugreportServiceIsActive.get()) { 347 onBugreportFailed(); 348 } 349 } 350 }; 351 352 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 353 354 @Override 355 public void onReceive(Context context, Intent intent) { 356 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 357 && mRemoteBugreportServiceIsActive.get()) { 358 onBugreportFinished(intent); 359 } 360 } 361 }; 362 363 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 364 365 @Override 366 public void onReceive(Context context, Intent intent) { 367 String action = intent.getAction(); 368 mInjector.getNotificationManager().cancel(LOG_TAG, 369 RemoteBugreportUtils.NOTIFICATION_ID); 370 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 371 onBugreportSharingAccepted(); 372 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 373 onBugreportSharingDeclined(); 374 } 375 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 376 } 377 }; 378 379 public static final class Lifecycle extends SystemService { 380 private DevicePolicyManagerService mService; 381 382 public Lifecycle(Context context) { 383 super(context); 384 mService = new DevicePolicyManagerService(context); 385 } 386 387 @Override 388 public void onStart() { 389 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 390 } 391 392 @Override 393 public void onBootPhase(int phase) { 394 mService.systemReady(phase); 395 } 396 397 @Override 398 public void onStartUser(int userHandle) { 399 mService.onStartUser(userHandle); 400 } 401 } 402 403 public static class DevicePolicyData { 404 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 405 int mActivePasswordLength = 0; 406 int mActivePasswordUpperCase = 0; 407 int mActivePasswordLowerCase = 0; 408 int mActivePasswordLetters = 0; 409 int mActivePasswordNumeric = 0; 410 int mActivePasswordSymbols = 0; 411 int mActivePasswordNonLetter = 0; 412 int mFailedPasswordAttempts = 0; 413 414 int mUserHandle; 415 int mPasswordOwner = -1; 416 long mLastMaximumTimeToLock = -1; 417 boolean mUserSetupComplete = false; 418 int mUserProvisioningState; 419 int mPermissionPolicy; 420 421 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 422 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 423 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 424 425 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 426 427 // This is the list of component allowed to start lock task mode. 428 List<String> mLockTaskPackages = new ArrayList<>(); 429 430 boolean mStatusBarDisabled = false; 431 432 ComponentName mRestrictionsProvider; 433 434 String mDelegatedCertInstallerPackage; 435 436 boolean doNotAskCredentialsOnBoot = false; 437 438 String mApplicationRestrictionsManagingPackage; 439 440 Set<String> mAffiliationIds = new ArraySet<>(); 441 442 // Used for initialization of users created by createAndManageUsers. 443 boolean mAdminBroadcastPending = false; 444 PersistableBundle mInitBundle = null; 445 446 public DevicePolicyData(int userHandle) { 447 mUserHandle = userHandle; 448 } 449 } 450 451 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 452 453 final Handler mHandler; 454 455 BroadcastReceiver mReceiver = new BroadcastReceiver() { 456 @Override 457 public void onReceive(Context context, Intent intent) { 458 final String action = intent.getAction(); 459 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 460 getSendingUserId()); 461 462 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 463 && userHandle == mOwners.getDeviceOwnerUserId() 464 && getDeviceOwnerRemoteBugreportUri() != null) { 465 IntentFilter filterConsent = new IntentFilter(); 466 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 467 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 468 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 469 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 470 RemoteBugreportUtils.NOTIFICATION_ID, 471 RemoteBugreportUtils.buildNotification(mContext, 472 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 473 UserHandle.ALL); 474 } 475 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 476 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 477 if (VERBOSE_LOG) { 478 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 479 + action + " for user " + userHandle); 480 } 481 mHandler.post(new Runnable() { 482 @Override 483 public void run() { 484 handlePasswordExpirationNotification(userHandle); 485 } 486 }); 487 } 488 if (Intent.ACTION_USER_UNLOCKED.equals(action) 489 || Intent.ACTION_USER_STARTED.equals(action) 490 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 491 int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 492 new MonitoringCertNotificationTask().execute(userId); 493 } 494 if (Intent.ACTION_USER_ADDED.equals(action)) { 495 disableSecurityLoggingIfNotCompliant(); 496 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 497 disableSecurityLoggingIfNotCompliant(); 498 removeUserData(userHandle); 499 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 500 synchronized (DevicePolicyManagerService.this) { 501 // Reset the policy data 502 mUserData.remove(userHandle); 503 sendAdminEnabledBroadcastLocked(userHandle); 504 } 505 handlePackagesChanged(null /* check all admins */, userHandle); 506 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 507 handlePackagesChanged(null /* check all admins */, userHandle); 508 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 509 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 510 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 511 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 512 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 513 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 514 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 515 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 516 clearWipeProfileNotification(); 517 } 518 } 519 }; 520 521 static class ActiveAdmin { 522 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 523 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 524 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 525 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 526 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 527 = "disable-bt-contacts-sharing"; 528 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 529 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 530 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 531 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 532 private static final String TAG_ACCOUNT_TYPE = "account-type"; 533 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 534 = "permitted-accessiblity-services"; 535 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 536 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 537 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 538 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 539 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 540 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 541 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 542 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 543 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 544 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 545 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 546 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 547 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 548 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 549 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 550 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 551 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 552 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 553 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 554 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 555 private static final String ATTR_VALUE = "value"; 556 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 557 private static final String TAG_POLICIES = "policies"; 558 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 559 "cross-profile-widget-providers"; 560 private static final String TAG_PROVIDER = "provider"; 561 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 562 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 563 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 564 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 565 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 566 private static final String TAG_PARENT_ADMIN = "parent-admin"; 567 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 568 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 569 570 final DeviceAdminInfo info; 571 572 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 573 574 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 575 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 576 577 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 578 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 579 580 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 581 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 582 583 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 584 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 585 586 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 587 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 588 589 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 590 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 591 592 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 593 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 594 595 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 596 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 597 598 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 599 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 600 601 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 602 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 603 604 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 605 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 606 607 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 608 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 609 610 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 611 612 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 613 614 boolean encryptionRequested = false; 615 boolean disableCamera = false; 616 boolean disableCallerId = false; 617 boolean disableContactsSearch = false; 618 boolean disableBluetoothContactSharing = true; 619 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 620 boolean requireAutoTime = false; // Can only be set by a device owner. 621 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 622 623 ActiveAdmin parentAdmin; 624 final boolean isParent; 625 626 static class TrustAgentInfo { 627 public PersistableBundle options; 628 TrustAgentInfo(PersistableBundle bundle) { 629 options = bundle; 630 } 631 } 632 633 Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 634 635 // The list of permitted accessibility services package namesas set by a profile 636 // or device owner. Null means all accessibility services are allowed, empty means 637 // none except system services are allowed. 638 List<String> permittedAccessiblityServices; 639 640 // The list of permitted input methods package names as set by a profile or device owner. 641 // Null means all input methods are allowed, empty means none except system imes are 642 // allowed. 643 List<String> permittedInputMethods; 644 645 // List of package names to keep cached. 646 List<String> keepUninstalledPackages; 647 648 // TODO: review implementation decisions with frameworks team 649 boolean specifiesGlobalProxy = false; 650 String globalProxySpec = null; 651 String globalProxyExclusionList = null; 652 653 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 654 655 List<String> crossProfileWidgetProviders; 656 657 Bundle userRestrictions; 658 659 // Support text provided by the admin to display to the user. 660 CharSequence shortSupportMessage = null; 661 CharSequence longSupportMessage = null; 662 663 // Background color of confirm credentials screen. Default: teal. 664 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 665 int organizationColor = DEF_ORGANIZATION_COLOR; 666 667 // Default title of confirm credentials screen 668 String organizationName = null; 669 670 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 671 info = _info; 672 isParent = parent; 673 } 674 675 ActiveAdmin getParentActiveAdmin() { 676 Preconditions.checkState(!isParent); 677 678 if (parentAdmin == null) { 679 parentAdmin = new ActiveAdmin(info, /* parent */ true); 680 } 681 return parentAdmin; 682 } 683 684 boolean hasParentActiveAdmin() { 685 return parentAdmin != null; 686 } 687 688 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 689 690 public UserHandle getUserHandle() { 691 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 692 } 693 694 void writeToXml(XmlSerializer out) 695 throws IllegalArgumentException, IllegalStateException, IOException { 696 out.startTag(null, TAG_POLICIES); 697 info.writePoliciesToXml(out); 698 out.endTag(null, TAG_POLICIES); 699 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 700 out.startTag(null, TAG_PASSWORD_QUALITY); 701 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 702 out.endTag(null, TAG_PASSWORD_QUALITY); 703 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 704 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 705 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 706 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 707 } 708 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 709 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 710 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 711 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 712 } 713 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 714 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 715 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 716 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 717 } 718 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 719 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 720 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 721 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 722 } 723 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 724 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 725 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 726 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 727 } 728 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 729 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 730 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 731 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 732 } 733 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 734 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 735 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 736 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 737 } 738 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 739 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 740 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 741 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 742 } 743 } 744 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 745 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 746 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 747 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 748 } 749 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 750 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 751 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 752 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 753 } 754 if (specifiesGlobalProxy) { 755 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 756 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 757 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 758 if (globalProxySpec != null) { 759 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 760 out.attribute(null, ATTR_VALUE, globalProxySpec); 761 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 762 } 763 if (globalProxyExclusionList != null) { 764 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 765 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 766 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 767 } 768 } 769 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 770 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 771 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 772 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 773 } 774 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 775 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 776 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 777 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 778 } 779 if (encryptionRequested) { 780 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 781 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 782 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 783 } 784 if (disableCamera) { 785 out.startTag(null, TAG_DISABLE_CAMERA); 786 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 787 out.endTag(null, TAG_DISABLE_CAMERA); 788 } 789 if (disableCallerId) { 790 out.startTag(null, TAG_DISABLE_CALLER_ID); 791 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 792 out.endTag(null, TAG_DISABLE_CALLER_ID); 793 } 794 if (disableContactsSearch) { 795 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 796 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 797 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 798 } 799 if (!disableBluetoothContactSharing) { 800 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 801 out.attribute(null, ATTR_VALUE, 802 Boolean.toString(disableBluetoothContactSharing)); 803 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 804 } 805 if (disableScreenCapture) { 806 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 807 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 808 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 809 } 810 if (requireAutoTime) { 811 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 812 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 813 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 814 } 815 if (forceEphemeralUsers) { 816 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 817 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 818 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 819 } 820 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 821 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 822 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 823 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 824 } 825 if (!accountTypesWithManagementDisabled.isEmpty()) { 826 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 827 for (String ac : accountTypesWithManagementDisabled) { 828 out.startTag(null, TAG_ACCOUNT_TYPE); 829 out.attribute(null, ATTR_VALUE, ac); 830 out.endTag(null, TAG_ACCOUNT_TYPE); 831 } 832 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 833 } 834 if (!trustAgentInfos.isEmpty()) { 835 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 836 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 837 for (Entry<String, TrustAgentInfo> entry : set) { 838 TrustAgentInfo trustAgentInfo = entry.getValue(); 839 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 840 out.attribute(null, ATTR_VALUE, entry.getKey()); 841 if (trustAgentInfo.options != null) { 842 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 843 try { 844 trustAgentInfo.options.saveToXml(out); 845 } catch (XmlPullParserException e) { 846 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 847 } 848 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 849 } 850 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 851 } 852 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 853 } 854 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 855 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 856 final int providerCount = crossProfileWidgetProviders.size(); 857 for (int i = 0; i < providerCount; i++) { 858 String provider = crossProfileWidgetProviders.get(i); 859 out.startTag(null, TAG_PROVIDER); 860 out.attribute(null, ATTR_VALUE, provider); 861 out.endTag(null, TAG_PROVIDER); 862 } 863 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 864 } 865 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 866 permittedAccessiblityServices); 867 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 868 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 869 if (hasUserRestrictions()) { 870 UserRestrictionsUtils.writeRestrictions( 871 out, userRestrictions, TAG_USER_RESTRICTIONS); 872 } 873 if (!TextUtils.isEmpty(shortSupportMessage)) { 874 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 875 out.text(shortSupportMessage.toString()); 876 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 877 } 878 if (!TextUtils.isEmpty(longSupportMessage)) { 879 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 880 out.text(longSupportMessage.toString()); 881 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 882 } 883 if (parentAdmin != null) { 884 out.startTag(null, TAG_PARENT_ADMIN); 885 parentAdmin.writeToXml(out); 886 out.endTag(null, TAG_PARENT_ADMIN); 887 } 888 if (organizationColor != DEF_ORGANIZATION_COLOR) { 889 out.startTag(null, TAG_ORGANIZATION_COLOR); 890 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 891 out.endTag(null, TAG_ORGANIZATION_COLOR); 892 } 893 if (organizationName != null) { 894 out.startTag(null, TAG_ORGANIZATION_NAME); 895 out.text(organizationName); 896 out.endTag(null, TAG_ORGANIZATION_NAME); 897 } 898 } 899 900 void writePackageListToXml(XmlSerializer out, String outerTag, 901 List<String> packageList) 902 throws IllegalArgumentException, IllegalStateException, IOException { 903 if (packageList == null) { 904 return; 905 } 906 907 out.startTag(null, outerTag); 908 for (String packageName : packageList) { 909 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 910 out.attribute(null, ATTR_VALUE, packageName); 911 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 912 } 913 out.endTag(null, outerTag); 914 } 915 916 void readFromXml(XmlPullParser parser) 917 throws XmlPullParserException, IOException { 918 int outerDepth = parser.getDepth(); 919 int type; 920 while ((type=parser.next()) != END_DOCUMENT 921 && (type != END_TAG || parser.getDepth() > outerDepth)) { 922 if (type == END_TAG || type == TEXT) { 923 continue; 924 } 925 String tag = parser.getName(); 926 if (TAG_POLICIES.equals(tag)) { 927 info.readPoliciesFromXml(parser); 928 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 929 passwordQuality = Integer.parseInt( 930 parser.getAttributeValue(null, ATTR_VALUE)); 931 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 932 minimumPasswordLength = Integer.parseInt( 933 parser.getAttributeValue(null, ATTR_VALUE)); 934 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 935 passwordHistoryLength = Integer.parseInt( 936 parser.getAttributeValue(null, ATTR_VALUE)); 937 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 938 minimumPasswordUpperCase = Integer.parseInt( 939 parser.getAttributeValue(null, ATTR_VALUE)); 940 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 941 minimumPasswordLowerCase = Integer.parseInt( 942 parser.getAttributeValue(null, ATTR_VALUE)); 943 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 944 minimumPasswordLetters = Integer.parseInt( 945 parser.getAttributeValue(null, ATTR_VALUE)); 946 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 947 minimumPasswordNumeric = Integer.parseInt( 948 parser.getAttributeValue(null, ATTR_VALUE)); 949 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 950 minimumPasswordSymbols = Integer.parseInt( 951 parser.getAttributeValue(null, ATTR_VALUE)); 952 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 953 minimumPasswordNonLetter = Integer.parseInt( 954 parser.getAttributeValue(null, ATTR_VALUE)); 955 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 956 maximumTimeToUnlock = Long.parseLong( 957 parser.getAttributeValue(null, ATTR_VALUE)); 958 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 959 maximumFailedPasswordsForWipe = Integer.parseInt( 960 parser.getAttributeValue(null, ATTR_VALUE)); 961 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 962 specifiesGlobalProxy = Boolean.parseBoolean( 963 parser.getAttributeValue(null, ATTR_VALUE)); 964 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 965 globalProxySpec = 966 parser.getAttributeValue(null, ATTR_VALUE); 967 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 968 globalProxyExclusionList = 969 parser.getAttributeValue(null, ATTR_VALUE); 970 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 971 passwordExpirationTimeout = Long.parseLong( 972 parser.getAttributeValue(null, ATTR_VALUE)); 973 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 974 passwordExpirationDate = Long.parseLong( 975 parser.getAttributeValue(null, ATTR_VALUE)); 976 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 977 encryptionRequested = Boolean.parseBoolean( 978 parser.getAttributeValue(null, ATTR_VALUE)); 979 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 980 disableCamera = Boolean.parseBoolean( 981 parser.getAttributeValue(null, ATTR_VALUE)); 982 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 983 disableCallerId = Boolean.parseBoolean( 984 parser.getAttributeValue(null, ATTR_VALUE)); 985 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 986 disableContactsSearch = Boolean.parseBoolean( 987 parser.getAttributeValue(null, ATTR_VALUE)); 988 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 989 disableBluetoothContactSharing = Boolean.parseBoolean(parser 990 .getAttributeValue(null, ATTR_VALUE)); 991 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 992 disableScreenCapture = Boolean.parseBoolean( 993 parser.getAttributeValue(null, ATTR_VALUE)); 994 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 995 requireAutoTime = Boolean.parseBoolean( 996 parser.getAttributeValue(null, ATTR_VALUE)); 997 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 998 forceEphemeralUsers = Boolean.parseBoolean( 999 parser.getAttributeValue(null, ATTR_VALUE)); 1000 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1001 disabledKeyguardFeatures = Integer.parseInt( 1002 parser.getAttributeValue(null, ATTR_VALUE)); 1003 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1004 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 1005 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1006 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1007 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1008 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 1009 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1010 permittedAccessiblityServices = readPackageList(parser, tag); 1011 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1012 permittedInputMethods = readPackageList(parser, tag); 1013 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1014 keepUninstalledPackages = readPackageList(parser, tag); 1015 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1016 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 1017 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1018 type = parser.next(); 1019 if (type == XmlPullParser.TEXT) { 1020 shortSupportMessage = parser.getText(); 1021 } else { 1022 Log.w(LOG_TAG, "Missing text when loading short support message"); 1023 } 1024 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1025 type = parser.next(); 1026 if (type == XmlPullParser.TEXT) { 1027 longSupportMessage = parser.getText(); 1028 } else { 1029 Log.w(LOG_TAG, "Missing text when loading long support message"); 1030 } 1031 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1032 Preconditions.checkState(!isParent); 1033 1034 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1035 parentAdmin.readFromXml(parser); 1036 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1037 organizationColor = Integer.parseInt( 1038 parser.getAttributeValue(null, ATTR_VALUE)); 1039 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1040 type = parser.next(); 1041 if (type == XmlPullParser.TEXT) { 1042 organizationName = parser.getText(); 1043 } else { 1044 Log.w(LOG_TAG, "Missing text when loading organization name"); 1045 } 1046 } else { 1047 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1048 XmlUtils.skipCurrentTag(parser); 1049 } 1050 } 1051 } 1052 1053 private List<String> readPackageList(XmlPullParser parser, 1054 String tag) throws XmlPullParserException, IOException { 1055 List<String> result = new ArrayList<String>(); 1056 int outerDepth = parser.getDepth(); 1057 int outerType; 1058 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1059 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1060 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1061 continue; 1062 } 1063 String outerTag = parser.getName(); 1064 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1065 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1066 if (packageName != null) { 1067 result.add(packageName); 1068 } else { 1069 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1070 } 1071 } else { 1072 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1073 } 1074 } 1075 return result; 1076 } 1077 1078 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 1079 throws XmlPullParserException, IOException { 1080 int outerDepthDAM = parser.getDepth(); 1081 int typeDAM; 1082 Set<String> result = new ArraySet<>(); 1083 while ((typeDAM=parser.next()) != END_DOCUMENT 1084 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1085 if (typeDAM == END_TAG || typeDAM == TEXT) { 1086 continue; 1087 } 1088 String tagDAM = parser.getName(); 1089 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 1090 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1091 } else { 1092 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1093 } 1094 } 1095 return result; 1096 } 1097 1098 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1099 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1100 int outerDepthDAM = parser.getDepth(); 1101 int typeDAM; 1102 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1103 while ((typeDAM=parser.next()) != END_DOCUMENT 1104 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1105 if (typeDAM == END_TAG || typeDAM == TEXT) { 1106 continue; 1107 } 1108 String tagDAM = parser.getName(); 1109 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1110 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1111 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1112 result.put(component, trustAgentInfo); 1113 } else { 1114 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1115 } 1116 } 1117 return result; 1118 } 1119 1120 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1121 throws XmlPullParserException, IOException { 1122 int outerDepthDAM = parser.getDepth(); 1123 int typeDAM; 1124 TrustAgentInfo result = new TrustAgentInfo(null); 1125 while ((typeDAM=parser.next()) != END_DOCUMENT 1126 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1127 if (typeDAM == END_TAG || typeDAM == TEXT) { 1128 continue; 1129 } 1130 String tagDAM = parser.getName(); 1131 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1132 result.options = PersistableBundle.restoreFromXml(parser); 1133 } else { 1134 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1135 } 1136 } 1137 return result; 1138 } 1139 1140 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 1141 throws XmlPullParserException, IOException { 1142 int outerDepthDAM = parser.getDepth(); 1143 int typeDAM; 1144 ArrayList<String> result = null; 1145 while ((typeDAM=parser.next()) != END_DOCUMENT 1146 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1147 if (typeDAM == END_TAG || typeDAM == TEXT) { 1148 continue; 1149 } 1150 String tagDAM = parser.getName(); 1151 if (TAG_PROVIDER.equals(tagDAM)) { 1152 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 1153 if (result == null) { 1154 result = new ArrayList<>(); 1155 } 1156 result.add(provider); 1157 } else { 1158 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1159 } 1160 } 1161 return result; 1162 } 1163 1164 boolean hasUserRestrictions() { 1165 return userRestrictions != null && userRestrictions.size() > 0; 1166 } 1167 1168 Bundle ensureUserRestrictions() { 1169 if (userRestrictions == null) { 1170 userRestrictions = new Bundle(); 1171 } 1172 return userRestrictions; 1173 } 1174 1175 void dump(String prefix, PrintWriter pw) { 1176 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1177 pw.print(prefix); pw.println("policies:"); 1178 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1179 if (pols != null) { 1180 for (int i=0; i<pols.size(); i++) { 1181 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1182 } 1183 } 1184 pw.print(prefix); pw.print("passwordQuality=0x"); 1185 pw.println(Integer.toHexString(passwordQuality)); 1186 pw.print(prefix); pw.print("minimumPasswordLength="); 1187 pw.println(minimumPasswordLength); 1188 pw.print(prefix); pw.print("passwordHistoryLength="); 1189 pw.println(passwordHistoryLength); 1190 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1191 pw.println(minimumPasswordUpperCase); 1192 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1193 pw.println(minimumPasswordLowerCase); 1194 pw.print(prefix); pw.print("minimumPasswordLetters="); 1195 pw.println(minimumPasswordLetters); 1196 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1197 pw.println(minimumPasswordNumeric); 1198 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1199 pw.println(minimumPasswordSymbols); 1200 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1201 pw.println(minimumPasswordNonLetter); 1202 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1203 pw.println(maximumTimeToUnlock); 1204 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1205 pw.println(maximumFailedPasswordsForWipe); 1206 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1207 pw.println(specifiesGlobalProxy); 1208 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1209 pw.println(passwordExpirationTimeout); 1210 pw.print(prefix); pw.print("passwordExpirationDate="); 1211 pw.println(passwordExpirationDate); 1212 if (globalProxySpec != null) { 1213 pw.print(prefix); pw.print("globalProxySpec="); 1214 pw.println(globalProxySpec); 1215 } 1216 if (globalProxyExclusionList != null) { 1217 pw.print(prefix); pw.print("globalProxyEclusionList="); 1218 pw.println(globalProxyExclusionList); 1219 } 1220 pw.print(prefix); pw.print("encryptionRequested="); 1221 pw.println(encryptionRequested); 1222 pw.print(prefix); pw.print("disableCamera="); 1223 pw.println(disableCamera); 1224 pw.print(prefix); pw.print("disableCallerId="); 1225 pw.println(disableCallerId); 1226 pw.print(prefix); pw.print("disableContactsSearch="); 1227 pw.println(disableContactsSearch); 1228 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1229 pw.println(disableBluetoothContactSharing); 1230 pw.print(prefix); pw.print("disableScreenCapture="); 1231 pw.println(disableScreenCapture); 1232 pw.print(prefix); pw.print("requireAutoTime="); 1233 pw.println(requireAutoTime); 1234 pw.print(prefix); pw.print("forceEphemeralUsers="); 1235 pw.println(forceEphemeralUsers); 1236 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1237 pw.println(disabledKeyguardFeatures); 1238 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1239 pw.println(crossProfileWidgetProviders); 1240 if (permittedAccessiblityServices != null) { 1241 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1242 pw.println(permittedAccessiblityServices); 1243 } 1244 if (permittedInputMethods != null) { 1245 pw.print(prefix); pw.print("permittedInputMethods="); 1246 pw.println(permittedInputMethods); 1247 } 1248 if (keepUninstalledPackages != null) { 1249 pw.print(prefix); pw.print("keepUninstalledPackages="); 1250 pw.println(keepUninstalledPackages); 1251 } 1252 pw.print(prefix); pw.print("organizationColor="); 1253 pw.println(organizationColor); 1254 if (organizationName != null) { 1255 pw.print(prefix); pw.print("organizationName="); 1256 pw.println(organizationName); 1257 } 1258 pw.print(prefix); pw.println("userRestrictions:"); 1259 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1260 pw.print(prefix); pw.print("isParent="); 1261 pw.println(isParent); 1262 if (parentAdmin != null) { 1263 pw.print(prefix); pw.println("parentAdmin:"); 1264 parentAdmin.dump(prefix + " ", pw); 1265 } 1266 } 1267 } 1268 1269 private void handlePackagesChanged(String packageName, int userHandle) { 1270 boolean removed = false; 1271 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1272 DevicePolicyData policy = getUserData(userHandle); 1273 synchronized (this) { 1274 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1275 ActiveAdmin aa = policy.mAdminList.get(i); 1276 try { 1277 // If we're checking all packages or if the specific one we're checking matches, 1278 // then check if the package and receiver still exist. 1279 final String adminPackage = aa.info.getPackageName(); 1280 if (packageName == null || packageName.equals(adminPackage)) { 1281 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1282 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1283 PackageManager.MATCH_DIRECT_BOOT_AWARE 1284 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1285 userHandle) == null) { 1286 removed = true; 1287 policy.mAdminList.remove(i); 1288 policy.mAdminMap.remove(aa.info.getComponent()); 1289 } 1290 } 1291 } catch (RemoteException re) { 1292 // Shouldn't happen 1293 } 1294 } 1295 if (removed) { 1296 validatePasswordOwnerLocked(policy); 1297 saveSettingsLocked(policy.mUserHandle); 1298 } 1299 1300 // Check if delegated cert installer or app restrictions managing packages are removed. 1301 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1302 policy.mDelegatedCertInstallerPackage = null; 1303 saveSettingsLocked(policy.mUserHandle); 1304 } 1305 if (isRemovedPackage( 1306 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1307 policy.mApplicationRestrictionsManagingPackage = null; 1308 saveSettingsLocked(policy.mUserHandle); 1309 } 1310 } 1311 if (removed) { 1312 // The removed admin might have disabled camera, so update user restrictions. 1313 pushUserRestrictions(userHandle); 1314 } 1315 } 1316 1317 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1318 try { 1319 return targetPackage != null 1320 && (changedPackage == null || changedPackage.equals(targetPackage)) 1321 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1322 } catch (RemoteException e) { 1323 // Shouldn't happen 1324 } 1325 1326 return false; 1327 } 1328 1329 /** 1330 * Unit test will subclass it to inject mocks. 1331 */ 1332 @VisibleForTesting 1333 static class Injector { 1334 1335 private final Context mContext; 1336 1337 Injector(Context context) { 1338 mContext = context; 1339 } 1340 1341 Owners newOwners() { 1342 return new Owners(getUserManager(), getUserManagerInternal(), 1343 getPackageManagerInternal()); 1344 } 1345 1346 UserManager getUserManager() { 1347 return UserManager.get(mContext); 1348 } 1349 1350 UserManagerInternal getUserManagerInternal() { 1351 return LocalServices.getService(UserManagerInternal.class); 1352 } 1353 1354 PackageManagerInternal getPackageManagerInternal() { 1355 return LocalServices.getService(PackageManagerInternal.class); 1356 } 1357 1358 NotificationManager getNotificationManager() { 1359 return mContext.getSystemService(NotificationManager.class); 1360 } 1361 1362 PowerManagerInternal getPowerManagerInternal() { 1363 return LocalServices.getService(PowerManagerInternal.class); 1364 } 1365 1366 TelephonyManager getTelephonyManager() { 1367 return TelephonyManager.from(mContext); 1368 } 1369 1370 TrustManager getTrustManager() { 1371 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1372 } 1373 1374 IWindowManager getIWindowManager() { 1375 return IWindowManager.Stub 1376 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1377 } 1378 1379 IActivityManager getIActivityManager() { 1380 return ActivityManagerNative.getDefault(); 1381 } 1382 1383 IPackageManager getIPackageManager() { 1384 return AppGlobals.getPackageManager(); 1385 } 1386 1387 IBackupManager getIBackupManager() { 1388 return IBackupManager.Stub.asInterface( 1389 ServiceManager.getService(Context.BACKUP_SERVICE)); 1390 } 1391 1392 IAudioService getIAudioService() { 1393 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1394 } 1395 1396 LockPatternUtils newLockPatternUtils() { 1397 return new LockPatternUtils(mContext); 1398 } 1399 1400 boolean storageManagerIsFileBasedEncryptionEnabled() { 1401 return StorageManager.isFileEncryptedNativeOnly(); 1402 } 1403 1404 boolean storageManagerIsNonDefaultBlockEncrypted() { 1405 long identity = Binder.clearCallingIdentity(); 1406 try { 1407 return StorageManager.isNonDefaultBlockEncrypted(); 1408 } finally { 1409 Binder.restoreCallingIdentity(identity); 1410 } 1411 } 1412 1413 boolean storageManagerIsEncrypted() { 1414 return StorageManager.isEncrypted(); 1415 } 1416 1417 boolean storageManagerIsEncryptable() { 1418 return StorageManager.isEncryptable(); 1419 } 1420 1421 Looper getMyLooper() { 1422 return Looper.myLooper(); 1423 } 1424 1425 WifiManager getWifiManager() { 1426 return mContext.getSystemService(WifiManager.class); 1427 } 1428 1429 long binderClearCallingIdentity() { 1430 return Binder.clearCallingIdentity(); 1431 } 1432 1433 void binderRestoreCallingIdentity(long token) { 1434 Binder.restoreCallingIdentity(token); 1435 } 1436 1437 int binderGetCallingUid() { 1438 return Binder.getCallingUid(); 1439 } 1440 1441 int binderGetCallingPid() { 1442 return Binder.getCallingPid(); 1443 } 1444 1445 UserHandle binderGetCallingUserHandle() { 1446 return Binder.getCallingUserHandle(); 1447 } 1448 1449 boolean binderIsCallingUidMyUid() { 1450 return getCallingUid() == Process.myUid(); 1451 } 1452 1453 final int userHandleGetCallingUserId() { 1454 return UserHandle.getUserId(binderGetCallingUid()); 1455 } 1456 1457 File environmentGetUserSystemDirectory(int userId) { 1458 return Environment.getUserSystemDirectory(userId); 1459 } 1460 1461 void powerManagerGoToSleep(long time, int reason, int flags) { 1462 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1463 } 1464 1465 void powerManagerReboot(String reason) { 1466 mContext.getSystemService(PowerManager.class).reboot(reason); 1467 } 1468 1469 boolean systemPropertiesGetBoolean(String key, boolean def) { 1470 return SystemProperties.getBoolean(key, def); 1471 } 1472 1473 long systemPropertiesGetLong(String key, long def) { 1474 return SystemProperties.getLong(key, def); 1475 } 1476 1477 String systemPropertiesGet(String key, String def) { 1478 return SystemProperties.get(key, def); 1479 } 1480 1481 String systemPropertiesGet(String key) { 1482 return SystemProperties.get(key); 1483 } 1484 1485 void systemPropertiesSet(String key, String value) { 1486 SystemProperties.set(key, value); 1487 } 1488 1489 boolean userManagerIsSplitSystemUser() { 1490 return UserManager.isSplitSystemUser(); 1491 } 1492 1493 String getDevicePolicyFilePathForSystemUser() { 1494 return "/data/system/"; 1495 } 1496 1497 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1498 ContentObserver observer, int userHandle) { 1499 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1500 observer, userHandle); 1501 } 1502 1503 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1504 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1505 name, def, userHandle); 1506 } 1507 1508 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1509 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1510 name, value, userHandle); 1511 } 1512 1513 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1514 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1515 name, value, userHandle); 1516 } 1517 1518 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1519 Settings.Global.putStringForUser(mContext.getContentResolver(), 1520 name, value, userHandle); 1521 } 1522 1523 void settingsSecurePutInt(String name, int value) { 1524 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1525 } 1526 1527 int settingsGlobalGetInt(String name, int def) { 1528 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1529 } 1530 1531 void settingsGlobalPutInt(String name, int value) { 1532 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1533 } 1534 1535 void settingsSecurePutString(String name, String value) { 1536 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1537 } 1538 1539 void settingsGlobalPutString(String name, String value) { 1540 Settings.Global.putString(mContext.getContentResolver(), name, value); 1541 } 1542 1543 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1544 SecurityLog.setLoggingEnabledProperty(enabled); 1545 } 1546 1547 boolean securityLogGetLoggingEnabledProperty() { 1548 return SecurityLog.getLoggingEnabledProperty(); 1549 } 1550 1551 boolean securityLogIsLoggingEnabled() { 1552 return SecurityLog.isLoggingEnabled(); 1553 } 1554 } 1555 1556 /** 1557 * Instantiates the service. 1558 */ 1559 public DevicePolicyManagerService(Context context) { 1560 this(new Injector(context)); 1561 } 1562 1563 @VisibleForTesting 1564 DevicePolicyManagerService(Injector injector) { 1565 mInjector = injector; 1566 mContext = Preconditions.checkNotNull(injector.mContext); 1567 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1568 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1569 1570 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1571 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1572 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1573 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1574 1575 mLocalService = new LocalService(); 1576 mLockPatternUtils = injector.newLockPatternUtils(); 1577 1578 mSecurityLogMonitor = new SecurityLogMonitor(this); 1579 1580 mHasFeature = mContext.getPackageManager() 1581 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1582 if (!mHasFeature) { 1583 // Skip the rest of the initialization 1584 return; 1585 } 1586 IntentFilter filter = new IntentFilter(); 1587 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1588 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1589 filter.addAction(Intent.ACTION_USER_ADDED); 1590 filter.addAction(Intent.ACTION_USER_REMOVED); 1591 filter.addAction(Intent.ACTION_USER_STARTED); 1592 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1593 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1594 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1595 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1596 filter = new IntentFilter(); 1597 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1598 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1599 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1600 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1601 filter.addDataScheme("package"); 1602 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1603 filter = new IntentFilter(); 1604 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1605 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1606 1607 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1608 } 1609 1610 /** 1611 * Creates and loads the policy data from xml. 1612 * @param userHandle the user for whom to load the policy data 1613 * @return 1614 */ 1615 @NonNull 1616 DevicePolicyData getUserData(int userHandle) { 1617 synchronized (this) { 1618 DevicePolicyData policy = mUserData.get(userHandle); 1619 if (policy == null) { 1620 policy = new DevicePolicyData(userHandle); 1621 mUserData.append(userHandle, policy); 1622 loadSettingsLocked(policy, userHandle); 1623 } 1624 return policy; 1625 } 1626 } 1627 1628 /** 1629 * Creates and loads the policy data from xml for data that is shared between 1630 * various profiles of a user. In contrast to {@link #getUserData(int)} 1631 * it allows access to data of users other than the calling user. 1632 * 1633 * This function should only be used for shared data, e.g. everything regarding 1634 * passwords and should be removed once multiple screen locks are present. 1635 * @param userHandle the user for whom to load the policy data 1636 * @return 1637 */ 1638 DevicePolicyData getUserDataUnchecked(int userHandle) { 1639 long ident = mInjector.binderClearCallingIdentity(); 1640 try { 1641 return getUserData(userHandle); 1642 } finally { 1643 mInjector.binderRestoreCallingIdentity(ident); 1644 } 1645 } 1646 1647 void removeUserData(int userHandle) { 1648 synchronized (this) { 1649 if (userHandle == UserHandle.USER_SYSTEM) { 1650 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1651 return; 1652 } 1653 mOwners.removeProfileOwner(userHandle); 1654 mOwners.writeProfileOwner(userHandle); 1655 1656 DevicePolicyData policy = mUserData.get(userHandle); 1657 if (policy != null) { 1658 mUserData.remove(userHandle); 1659 } 1660 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1661 DEVICE_POLICIES_XML); 1662 policyFile.delete(); 1663 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1664 } 1665 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1666 } 1667 1668 void loadOwners() { 1669 synchronized (this) { 1670 mOwners.load(); 1671 setDeviceOwnerSystemPropertyLocked(); 1672 findOwnerComponentIfNecessaryLocked(); 1673 migrateUserRestrictionsIfNecessaryLocked(); 1674 1675 // TODO PO may not have a class name either due to b/17652534. Address that too. 1676 1677 updateDeviceOwnerLocked(); 1678 } 1679 } 1680 1681 private void setDeviceOwnerSystemPropertyLocked() { 1682 // Device owner may still be provisioned, do not set the read-only system property yet. 1683 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1684 return; 1685 } 1686 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1687 // always false at this point. 1688 if (StorageManager.inCryptKeeperBounce()) { 1689 return; 1690 } 1691 1692 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1693 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1694 } else { 1695 if (mOwners.hasDeviceOwner()) { 1696 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1697 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1698 disableSecurityLoggingIfNotCompliant(); 1699 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1700 mSecurityLogMonitor.start(); 1701 } 1702 } else { 1703 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1704 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1705 } 1706 } 1707 } 1708 1709 private void findOwnerComponentIfNecessaryLocked() { 1710 if (!mOwners.hasDeviceOwner()) { 1711 return; 1712 } 1713 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1714 1715 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1716 return; // Already a full component name. 1717 } 1718 1719 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1720 doComponentName.getPackageName(), 1721 mOwners.getDeviceOwnerUserId()); 1722 if (doComponent == null) { 1723 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1724 } else { 1725 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1726 doComponent, 1727 mOwners.getDeviceOwnerName(), 1728 mOwners.getDeviceOwnerUserId(), 1729 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1730 mOwners.writeDeviceOwner(); 1731 if (VERBOSE_LOG) { 1732 Log.v(LOG_TAG, "Device owner component filled in"); 1733 } 1734 } 1735 } 1736 1737 /** 1738 * We didn't use to persist user restrictions for each owners but only persisted in user 1739 * manager. 1740 */ 1741 private void migrateUserRestrictionsIfNecessaryLocked() { 1742 boolean migrated = false; 1743 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1744 // except for the "system controlled" ones. 1745 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1746 if (VERBOSE_LOG) { 1747 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1748 } 1749 migrated = true; 1750 1751 // Migrate user 0 restrictions to DO. 1752 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1753 1754 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1755 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1756 1757 // Push DO user restrictions to user manager. 1758 pushUserRestrictions(UserHandle.USER_SYSTEM); 1759 1760 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1761 } 1762 1763 // Migrate for POs. 1764 1765 // The following restrictions can be set on secondary users by the device owner, so we 1766 // assume they're not from the PO. 1767 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1768 UserManager.DISALLOW_OUTGOING_CALLS, 1769 UserManager.DISALLOW_SMS); 1770 1771 for (UserInfo ui : mUserManager.getUsers()) { 1772 final int userId = ui.id; 1773 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1774 if (VERBOSE_LOG) { 1775 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1776 } 1777 migrated = true; 1778 1779 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1780 1781 final Set<String> exceptionList = 1782 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1783 1784 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1785 exceptionList, /* isDeviceOwner =*/ false); 1786 1787 // Note if a secondary user has no PO but has a DA that disables camera, we 1788 // don't get here and won't push the camera user restriction to UserManager 1789 // here. That's okay because we'll push user restrictions anyway when a user 1790 // starts. But we still do it because we want to let user manager persist 1791 // upon migration. 1792 pushUserRestrictions(userId); 1793 1794 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1795 } 1796 } 1797 if (VERBOSE_LOG && migrated) { 1798 Log.v(LOG_TAG, "User restrictions migrated."); 1799 } 1800 } 1801 1802 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1803 Set<String> exceptionList, boolean isDeviceOwner) { 1804 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1805 user.getIdentifier()); 1806 1807 final Bundle newBaseRestrictions = new Bundle(); 1808 final Bundle newOwnerRestrictions = new Bundle(); 1809 1810 for (String key : origRestrictions.keySet()) { 1811 if (!origRestrictions.getBoolean(key)) { 1812 continue; 1813 } 1814 final boolean canOwnerChange = isDeviceOwner 1815 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1816 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1817 1818 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1819 newBaseRestrictions.putBoolean(key, true); 1820 } else { 1821 newOwnerRestrictions.putBoolean(key, true); 1822 } 1823 } 1824 1825 if (VERBOSE_LOG) { 1826 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1827 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1828 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1829 } 1830 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1831 newBaseRestrictions); 1832 1833 if (admin != null) { 1834 admin.ensureUserRestrictions().clear(); 1835 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1836 } else { 1837 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1838 } 1839 saveSettingsLocked(user.getIdentifier()); 1840 } 1841 1842 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1843 final DevicePolicyData policy = getUserData(userId); 1844 final int n = policy.mAdminList.size(); 1845 ComponentName found = null; 1846 int nFound = 0; 1847 for (int i = 0; i < n; i++) { 1848 final ActiveAdmin admin = policy.mAdminList.get(i); 1849 if (packageName.equals(admin.info.getPackageName())) { 1850 // Found! 1851 if (nFound == 0) { 1852 found = admin.info.getComponent(); 1853 } 1854 nFound++; 1855 } 1856 } 1857 if (nFound > 1) { 1858 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1859 } 1860 return found; 1861 } 1862 1863 /** 1864 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1865 * reminders. Clears alarm if no expirations are configured. 1866 */ 1867 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 1868 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 1869 final long now = System.currentTimeMillis(); 1870 final long timeToExpire = expiration - now; 1871 final long alarmTime; 1872 if (expiration == 0) { 1873 // No expirations are currently configured: Cancel alarm. 1874 alarmTime = 0; 1875 } else if (timeToExpire <= 0) { 1876 // The password has already expired: Repeat every 24 hours. 1877 alarmTime = now + MS_PER_DAY; 1878 } else { 1879 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1880 // the expiration time. 1881 long alarmInterval = timeToExpire % MS_PER_DAY; 1882 if (alarmInterval == 0) { 1883 alarmInterval = MS_PER_DAY; 1884 } 1885 alarmTime = now + alarmInterval; 1886 } 1887 1888 long token = mInjector.binderClearCallingIdentity(); 1889 try { 1890 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 1891 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1892 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1893 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1894 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1895 UserHandle.of(affectedUserHandle)); 1896 am.cancel(pi); 1897 if (alarmTime != 0) { 1898 am.set(AlarmManager.RTC, alarmTime, pi); 1899 } 1900 } finally { 1901 mInjector.binderRestoreCallingIdentity(token); 1902 } 1903 } 1904 1905 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1906 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1907 if (admin != null 1908 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1909 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1910 return admin; 1911 } 1912 return null; 1913 } 1914 1915 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 1916 if (parent) { 1917 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 1918 } 1919 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1920 if (admin != null && parent) { 1921 admin = admin.getParentActiveAdmin(); 1922 } 1923 return admin; 1924 } 1925 1926 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1927 throws SecurityException { 1928 final int callingUid = mInjector.binderGetCallingUid(); 1929 1930 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1931 if (result != null) { 1932 return result; 1933 } 1934 1935 if (who != null) { 1936 final int userId = UserHandle.getUserId(callingUid); 1937 final DevicePolicyData policy = getUserData(userId); 1938 ActiveAdmin admin = policy.mAdminMap.get(who); 1939 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1940 throw new SecurityException("Admin " + admin.info.getComponent() 1941 + " does not own the device"); 1942 } 1943 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1944 throw new SecurityException("Admin " + admin.info.getComponent() 1945 + " does not own the profile"); 1946 } 1947 throw new SecurityException("Admin " + admin.info.getComponent() 1948 + " did not specify uses-policy for: " 1949 + admin.info.getTagForPolicy(reqPolicy)); 1950 } else { 1951 throw new SecurityException("No active admin owned by uid " 1952 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 1953 } 1954 } 1955 1956 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 1957 throws SecurityException { 1958 if (parent) { 1959 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 1960 "call APIs on the parent profile"); 1961 } 1962 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 1963 return parent ? admin.getParentActiveAdmin() : admin; 1964 } 1965 /** 1966 * Find the admin for the component and userId bit of the uid, then check 1967 * the admin's uid matches the uid. 1968 */ 1969 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 1970 final int userId = UserHandle.getUserId(uid); 1971 final DevicePolicyData policy = getUserData(userId); 1972 ActiveAdmin admin = policy.mAdminMap.get(who); 1973 if (admin == null) { 1974 throw new SecurityException("No active admin " + who); 1975 } 1976 if (admin.getUid() != uid) { 1977 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1978 } 1979 return admin; 1980 } 1981 1982 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1983 int uid) { 1984 // Try to find an admin which can use reqPolicy 1985 final int userId = UserHandle.getUserId(uid); 1986 final DevicePolicyData policy = getUserData(userId); 1987 if (who != null) { 1988 ActiveAdmin admin = policy.mAdminMap.get(who); 1989 if (admin == null) { 1990 throw new SecurityException("No active admin " + who); 1991 } 1992 if (admin.getUid() != uid) { 1993 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1994 } 1995 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1996 return admin; 1997 } 1998 } else { 1999 for (ActiveAdmin admin : policy.mAdminList) { 2000 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2001 userId)) { 2002 return admin; 2003 } 2004 } 2005 } 2006 2007 return null; 2008 } 2009 2010 @VisibleForTesting 2011 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2012 int userId) { 2013 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2014 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2015 2016 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2017 return ownsDevice; 2018 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2019 // DO always has the PO power. 2020 return ownsDevice || ownsProfile; 2021 } else { 2022 return admin.info.usesPolicy(reqPolicy); 2023 } 2024 } 2025 2026 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2027 sendAdminCommandLocked(admin, action, null); 2028 } 2029 2030 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2031 sendAdminCommandLocked(admin, action, null, result); 2032 } 2033 2034 /** 2035 * Send an update to one specific admin, get notified when that admin returns a result. 2036 */ 2037 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2038 BroadcastReceiver result) { 2039 Intent intent = new Intent(action); 2040 intent.setComponent(admin.info.getComponent()); 2041 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2042 intent.putExtra("expiration", admin.passwordExpirationDate); 2043 } 2044 if (adminExtras != null) { 2045 intent.putExtras(adminExtras); 2046 } 2047 if (result != null) { 2048 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2049 null, result, mHandler, Activity.RESULT_OK, null, null); 2050 } else { 2051 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2052 } 2053 } 2054 2055 /** 2056 * Send an update to all admins of a user that enforce a specified policy. 2057 */ 2058 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 2059 final DevicePolicyData policy = getUserData(userHandle); 2060 final int count = policy.mAdminList.size(); 2061 if (count > 0) { 2062 for (int i = 0; i < count; i++) { 2063 final ActiveAdmin admin = policy.mAdminList.get(i); 2064 if (admin.info.usesPolicy(reqPolicy)) { 2065 sendAdminCommandLocked(admin, action); 2066 } 2067 } 2068 } 2069 } 2070 2071 /** 2072 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2073 * enforce a specified policy. 2074 */ 2075 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2076 int userHandle) { 2077 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2078 for (int profileId : profileIds) { 2079 sendAdminCommandLocked(action, reqPolicy, profileId); 2080 } 2081 } 2082 2083 /** 2084 * Sends a broadcast to each profile that share the password unlock with the given user id. 2085 */ 2086 private void sendAdminCommandForLockscreenPoliciesLocked( 2087 String action, int reqPolicy, int userHandle) { 2088 if (isSeparateProfileChallengeEnabled(userHandle)) { 2089 sendAdminCommandLocked(action, reqPolicy, userHandle); 2090 } else { 2091 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 2092 } 2093 } 2094 2095 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2096 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2097 if (admin != null) { 2098 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 2099 sendAdminCommandLocked(admin, 2100 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2101 new BroadcastReceiver() { 2102 @Override 2103 public void onReceive(Context context, Intent intent) { 2104 removeAdminArtifacts(adminReceiver, userHandle); 2105 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2106 } 2107 }); 2108 } 2109 } 2110 2111 2112 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2113 boolean throwForMissiongPermission) { 2114 if (!mHasFeature) { 2115 return null; 2116 } 2117 enforceFullCrossUsersPermission(userHandle); 2118 ActivityInfo ai = null; 2119 try { 2120 ai = mIPackageManager.getReceiverInfo(adminName, 2121 PackageManager.GET_META_DATA | 2122 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2123 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2124 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2125 } catch (RemoteException e) { 2126 // shouldn't happen. 2127 } 2128 if (ai == null) { 2129 throw new IllegalArgumentException("Unknown admin: " + adminName); 2130 } 2131 2132 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2133 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2134 + permission.BIND_DEVICE_ADMIN; 2135 Slog.w(LOG_TAG, message); 2136 if (throwForMissiongPermission && 2137 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2138 throw new IllegalArgumentException(message); 2139 } 2140 } 2141 2142 try { 2143 return new DeviceAdminInfo(mContext, ai); 2144 } catch (XmlPullParserException | IOException e) { 2145 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2146 e); 2147 return null; 2148 } 2149 } 2150 2151 private JournaledFile makeJournaledFile(int userHandle) { 2152 final String base = userHandle == UserHandle.USER_SYSTEM 2153 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2154 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2155 DEVICE_POLICIES_XML).getAbsolutePath(); 2156 if (VERBOSE_LOG) { 2157 Log.v(LOG_TAG, "Opening " + base); 2158 } 2159 return new JournaledFile(new File(base), new File(base + ".tmp")); 2160 } 2161 2162 private void saveSettingsLocked(int userHandle) { 2163 DevicePolicyData policy = getUserData(userHandle); 2164 JournaledFile journal = makeJournaledFile(userHandle); 2165 FileOutputStream stream = null; 2166 try { 2167 stream = new FileOutputStream(journal.chooseForWrite(), false); 2168 XmlSerializer out = new FastXmlSerializer(); 2169 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2170 out.startDocument(null, true); 2171 2172 out.startTag(null, "policies"); 2173 if (policy.mRestrictionsProvider != null) { 2174 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2175 policy.mRestrictionsProvider.flattenToString()); 2176 } 2177 if (policy.mUserSetupComplete) { 2178 out.attribute(null, ATTR_SETUP_COMPLETE, 2179 Boolean.toString(true)); 2180 } 2181 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2182 out.attribute(null, ATTR_PROVISIONING_STATE, 2183 Integer.toString(policy.mUserProvisioningState)); 2184 } 2185 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2186 out.attribute(null, ATTR_PERMISSION_POLICY, 2187 Integer.toString(policy.mPermissionPolicy)); 2188 } 2189 if (policy.mDelegatedCertInstallerPackage != null) { 2190 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2191 policy.mDelegatedCertInstallerPackage); 2192 } 2193 if (policy.mApplicationRestrictionsManagingPackage != null) { 2194 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2195 policy.mApplicationRestrictionsManagingPackage); 2196 } 2197 2198 final int N = policy.mAdminList.size(); 2199 for (int i=0; i<N; i++) { 2200 ActiveAdmin ap = policy.mAdminList.get(i); 2201 if (ap != null) { 2202 out.startTag(null, "admin"); 2203 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2204 ap.writeToXml(out); 2205 out.endTag(null, "admin"); 2206 } 2207 } 2208 2209 if (policy.mPasswordOwner >= 0) { 2210 out.startTag(null, "password-owner"); 2211 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2212 out.endTag(null, "password-owner"); 2213 } 2214 2215 if (policy.mFailedPasswordAttempts != 0) { 2216 out.startTag(null, "failed-password-attempts"); 2217 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2218 out.endTag(null, "failed-password-attempts"); 2219 } 2220 2221 // Don't save metrics for FBE devices 2222 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() 2223 && (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 2224 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 2225 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 2226 || policy.mActivePasswordSymbols != 0 2227 || policy.mActivePasswordNonLetter != 0)) { 2228 out.startTag(null, "active-password"); 2229 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 2230 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 2231 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 2232 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 2233 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 2234 out.attribute(null, "numeric", Integer 2235 .toString(policy.mActivePasswordNumeric)); 2236 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 2237 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 2238 out.endTag(null, "active-password"); 2239 } 2240 2241 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2242 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2243 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2244 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2245 } 2246 2247 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2248 String component = policy.mLockTaskPackages.get(i); 2249 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2250 out.attribute(null, "name", component); 2251 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2252 } 2253 2254 if (policy.mStatusBarDisabled) { 2255 out.startTag(null, TAG_STATUS_BAR); 2256 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2257 out.endTag(null, TAG_STATUS_BAR); 2258 } 2259 2260 if (policy.doNotAskCredentialsOnBoot) { 2261 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2262 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2263 } 2264 2265 for (String id : policy.mAffiliationIds) { 2266 out.startTag(null, TAG_AFFILIATION_ID); 2267 out.attribute(null, "id", id); 2268 out.endTag(null, TAG_AFFILIATION_ID); 2269 } 2270 2271 if (policy.mAdminBroadcastPending) { 2272 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2273 out.attribute(null, ATTR_VALUE, 2274 Boolean.toString(policy.mAdminBroadcastPending)); 2275 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2276 } 2277 2278 if (policy.mInitBundle != null) { 2279 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2280 policy.mInitBundle.saveToXml(out); 2281 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2282 } 2283 2284 out.endTag(null, "policies"); 2285 2286 out.endDocument(); 2287 stream.flush(); 2288 FileUtils.sync(stream); 2289 stream.close(); 2290 journal.commit(); 2291 sendChangedNotification(userHandle); 2292 } catch (XmlPullParserException | IOException e) { 2293 Slog.w(LOG_TAG, "failed writing file", e); 2294 try { 2295 if (stream != null) { 2296 stream.close(); 2297 } 2298 } catch (IOException ex) { 2299 // Ignore 2300 } 2301 journal.rollback(); 2302 } 2303 } 2304 2305 private void sendChangedNotification(int userHandle) { 2306 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2307 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2308 long ident = mInjector.binderClearCallingIdentity(); 2309 try { 2310 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2311 } finally { 2312 mInjector.binderRestoreCallingIdentity(ident); 2313 } 2314 } 2315 2316 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2317 JournaledFile journal = makeJournaledFile(userHandle); 2318 FileInputStream stream = null; 2319 File file = journal.chooseForRead(); 2320 boolean needsRewrite = false; 2321 try { 2322 stream = new FileInputStream(file); 2323 XmlPullParser parser = Xml.newPullParser(); 2324 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2325 2326 int type; 2327 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2328 && type != XmlPullParser.START_TAG) { 2329 } 2330 String tag = parser.getName(); 2331 if (!"policies".equals(tag)) { 2332 throw new XmlPullParserException( 2333 "Settings do not start with policies tag: found " + tag); 2334 } 2335 2336 // Extract the permission provider component name if available 2337 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2338 if (permissionProvider != null) { 2339 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2340 } 2341 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2342 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2343 policy.mUserSetupComplete = true; 2344 } 2345 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2346 if (!TextUtils.isEmpty(provisioningState)) { 2347 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2348 } 2349 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2350 if (!TextUtils.isEmpty(permissionPolicy)) { 2351 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2352 } 2353 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2354 ATTR_DELEGATED_CERT_INSTALLER); 2355 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2356 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2357 2358 type = parser.next(); 2359 int outerDepth = parser.getDepth(); 2360 policy.mLockTaskPackages.clear(); 2361 policy.mAdminList.clear(); 2362 policy.mAdminMap.clear(); 2363 policy.mAffiliationIds.clear(); 2364 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2365 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2366 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2367 continue; 2368 } 2369 tag = parser.getName(); 2370 if ("admin".equals(tag)) { 2371 String name = parser.getAttributeValue(null, "name"); 2372 try { 2373 DeviceAdminInfo dai = findAdmin( 2374 ComponentName.unflattenFromString(name), userHandle, 2375 /* throwForMissionPermission= */ false); 2376 if (VERBOSE_LOG 2377 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2378 != userHandle)) { 2379 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2380 + dai.getActivityInfo().applicationInfo.uid + " for user " 2381 + userHandle); 2382 } 2383 if (dai != null) { 2384 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2385 ap.readFromXml(parser); 2386 policy.mAdminMap.put(ap.info.getComponent(), ap); 2387 } 2388 } catch (RuntimeException e) { 2389 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2390 } 2391 } else if ("failed-password-attempts".equals(tag)) { 2392 policy.mFailedPasswordAttempts = Integer.parseInt( 2393 parser.getAttributeValue(null, "value")); 2394 } else if ("password-owner".equals(tag)) { 2395 policy.mPasswordOwner = Integer.parseInt( 2396 parser.getAttributeValue(null, "value")); 2397 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2398 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2399 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2400 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2401 } else if (TAG_STATUS_BAR.equals(tag)) { 2402 policy.mStatusBarDisabled = Boolean.parseBoolean( 2403 parser.getAttributeValue(null, ATTR_DISABLED)); 2404 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2405 policy.doNotAskCredentialsOnBoot = true; 2406 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2407 policy.mAffiliationIds.add(parser.getAttributeValue(null, "id")); 2408 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2409 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2410 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2411 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2412 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2413 } else if ("active-password".equals(tag)) { 2414 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2415 // Remove this from FBE devices 2416 needsRewrite = true; 2417 } else { 2418 policy.mActivePasswordQuality = Integer.parseInt( 2419 parser.getAttributeValue(null, "quality")); 2420 policy.mActivePasswordLength = Integer.parseInt( 2421 parser.getAttributeValue(null, "length")); 2422 policy.mActivePasswordUpperCase = Integer.parseInt( 2423 parser.getAttributeValue(null, "uppercase")); 2424 policy.mActivePasswordLowerCase = Integer.parseInt( 2425 parser.getAttributeValue(null, "lowercase")); 2426 policy.mActivePasswordLetters = Integer.parseInt( 2427 parser.getAttributeValue(null, "letters")); 2428 policy.mActivePasswordNumeric = Integer.parseInt( 2429 parser.getAttributeValue(null, "numeric")); 2430 policy.mActivePasswordSymbols = Integer.parseInt( 2431 parser.getAttributeValue(null, "symbols")); 2432 policy.mActivePasswordNonLetter = Integer.parseInt( 2433 parser.getAttributeValue(null, "nonletter")); 2434 } 2435 } else { 2436 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2437 XmlUtils.skipCurrentTag(parser); 2438 } 2439 } 2440 } catch (FileNotFoundException e) { 2441 // Don't be noisy, this is normal if we haven't defined any policies. 2442 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2443 | IndexOutOfBoundsException e) { 2444 Slog.w(LOG_TAG, "failed parsing " + file, e); 2445 } 2446 try { 2447 if (stream != null) { 2448 stream.close(); 2449 } 2450 } catch (IOException e) { 2451 // Ignore 2452 } 2453 2454 // Generate a list of admins from the admin map 2455 policy.mAdminList.addAll(policy.mAdminMap.values()); 2456 2457 // Might need to upgrade the file by rewriting it 2458 if (needsRewrite) { 2459 saveSettingsLocked(userHandle); 2460 } 2461 2462 validatePasswordOwnerLocked(policy); 2463 updateMaximumTimeToLockLocked(userHandle); 2464 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2465 if (policy.mStatusBarDisabled) { 2466 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2467 } 2468 } 2469 2470 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2471 long ident = mInjector.binderClearCallingIdentity(); 2472 try { 2473 mInjector.getIActivityManager() 2474 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2475 } catch (RemoteException e) { 2476 // Not gonna happen. 2477 } finally { 2478 mInjector.binderRestoreCallingIdentity(ident); 2479 } 2480 } 2481 2482 private void updateDeviceOwnerLocked() { 2483 long ident = mInjector.binderClearCallingIdentity(); 2484 try { 2485 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2486 // user id and also protect all other DAs too. 2487 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2488 if (deviceOwnerComponent != null) { 2489 mInjector.getIActivityManager() 2490 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2491 } 2492 } catch (RemoteException e) { 2493 // Not gonna happen. 2494 } finally { 2495 mInjector.binderRestoreCallingIdentity(ident); 2496 } 2497 } 2498 2499 static void validateQualityConstant(int quality) { 2500 switch (quality) { 2501 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2502 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2503 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2504 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2505 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2506 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2507 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2508 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2509 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2510 return; 2511 } 2512 throw new IllegalArgumentException("Invalid quality constant: 0x" 2513 + Integer.toHexString(quality)); 2514 } 2515 2516 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2517 if (policy.mPasswordOwner >= 0) { 2518 boolean haveOwner = false; 2519 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2520 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2521 haveOwner = true; 2522 break; 2523 } 2524 } 2525 if (!haveOwner) { 2526 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2527 + " no longer active; disabling"); 2528 policy.mPasswordOwner = -1; 2529 } 2530 } 2531 } 2532 2533 @VisibleForTesting 2534 void systemReady(int phase) { 2535 if (!mHasFeature) { 2536 return; 2537 } 2538 switch (phase) { 2539 case SystemService.PHASE_LOCK_SETTINGS_READY: 2540 onLockSettingsReady(); 2541 break; 2542 case SystemService.PHASE_BOOT_COMPLETED: 2543 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2544 break; 2545 } 2546 } 2547 2548 private void onLockSettingsReady() { 2549 getUserData(UserHandle.USER_SYSTEM); 2550 loadOwners(); 2551 cleanUpOldUsers(); 2552 2553 onStartUser(UserHandle.USER_SYSTEM); 2554 2555 // Register an observer for watching for user setup complete. 2556 new SetupContentObserver(mHandler).register(); 2557 // Initialize the user setup state, to handle the upgrade case. 2558 updateUserSetupComplete(); 2559 2560 List<String> packageList; 2561 synchronized (this) { 2562 packageList = getKeepUninstalledPackagesLocked(); 2563 } 2564 if (packageList != null) { 2565 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2566 } 2567 2568 synchronized (this) { 2569 // push the force-ephemeral-users policy to the user manager. 2570 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2571 if (deviceOwner != null) { 2572 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2573 } 2574 } 2575 } 2576 2577 private void ensureDeviceOwnerUserStarted() { 2578 final int userId; 2579 synchronized (this) { 2580 if (!mOwners.hasDeviceOwner()) { 2581 return; 2582 } 2583 userId = mOwners.getDeviceOwnerUserId(); 2584 } 2585 if (VERBOSE_LOG) { 2586 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2587 } 2588 if (userId != UserHandle.USER_SYSTEM) { 2589 try { 2590 mInjector.getIActivityManager().startUserInBackground(userId); 2591 2592 // STOPSHIP Prevent the DO user from being killed. 2593 2594 } catch (RemoteException e) { 2595 Slog.w(LOG_TAG, "Exception starting user", e); 2596 } 2597 } 2598 } 2599 2600 private void onStartUser(int userId) { 2601 updateScreenCaptureDisabledInWindowManager(userId, 2602 getScreenCaptureDisabled(null, userId)); 2603 pushUserRestrictions(userId); 2604 } 2605 2606 private void cleanUpOldUsers() { 2607 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2608 // before reboot 2609 Set<Integer> usersWithProfileOwners; 2610 Set<Integer> usersWithData; 2611 synchronized(this) { 2612 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2613 usersWithData = new ArraySet<>(); 2614 for (int i = 0; i < mUserData.size(); i++) { 2615 usersWithData.add(mUserData.keyAt(i)); 2616 } 2617 } 2618 List<UserInfo> allUsers = mUserManager.getUsers(); 2619 2620 Set<Integer> deletedUsers = new ArraySet<>(); 2621 deletedUsers.addAll(usersWithProfileOwners); 2622 deletedUsers.addAll(usersWithData); 2623 for (UserInfo userInfo : allUsers) { 2624 deletedUsers.remove(userInfo.id); 2625 } 2626 for (Integer userId : deletedUsers) { 2627 removeUserData(userId); 2628 } 2629 } 2630 2631 private void handlePasswordExpirationNotification(int userHandle) { 2632 synchronized (this) { 2633 final long now = System.currentTimeMillis(); 2634 2635 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2636 userHandle, /* parent */ false); 2637 final int N = admins.size(); 2638 for (int i = 0; i < N; i++) { 2639 ActiveAdmin admin = admins.get(i); 2640 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2641 && admin.passwordExpirationTimeout > 0L 2642 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2643 && admin.passwordExpirationDate > 0L) { 2644 sendAdminCommandLocked(admin, 2645 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2646 } 2647 } 2648 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2649 } 2650 } 2651 2652 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2653 @Override 2654 protected Void doInBackground(Integer... params) { 2655 int userHandle = params[0]; 2656 2657 if (userHandle == UserHandle.USER_ALL) { 2658 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2659 manageNotification(userInfo.getUserHandle()); 2660 } 2661 } else { 2662 manageNotification(UserHandle.of(userHandle)); 2663 } 2664 return null; 2665 } 2666 2667 private void manageNotification(UserHandle userHandle) { 2668 if (!mUserManager.isUserUnlocked(userHandle)) { 2669 return; 2670 } 2671 2672 // Call out to KeyChain to check for CAs which are waiting for approval. 2673 final List<String> pendingCertificates; 2674 try { 2675 pendingCertificates = getInstalledCaCertificates(userHandle); 2676 } catch (RemoteException | RuntimeException e) { 2677 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2678 return; 2679 } 2680 2681 synchronized (DevicePolicyManagerService.this) { 2682 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2683 2684 // Remove deleted certificates. Flush xml if necessary. 2685 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2686 saveSettingsLocked(userHandle.getIdentifier()); 2687 } 2688 // Trim to approved certificates. 2689 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2690 } 2691 2692 if (pendingCertificates.isEmpty()) { 2693 mInjector.getNotificationManager().cancelAsUser( 2694 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2695 return; 2696 } 2697 2698 // Build and show a warning notification 2699 int smallIconId; 2700 String contentText; 2701 int parentUserId = userHandle.getIdentifier(); 2702 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2703 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2704 getProfileOwnerName(userHandle.getIdentifier())); 2705 smallIconId = R.drawable.stat_sys_certificate_info; 2706 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2707 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2708 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2709 getDeviceOwnerName()); 2710 smallIconId = R.drawable.stat_sys_certificate_info; 2711 } else { 2712 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2713 smallIconId = android.R.drawable.stat_sys_warning; 2714 } 2715 2716 final int numberOfCertificates = pendingCertificates.size(); 2717 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2718 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2719 dialogIntent.setPackage("com.android.settings"); 2720 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 2721 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 2722 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2723 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 2724 new UserHandle(parentUserId)); 2725 2726 final Context userContext; 2727 try { 2728 final String packageName = mContext.getPackageName(); 2729 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 2730 } catch (PackageManager.NameNotFoundException e) { 2731 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2732 return; 2733 } 2734 final Notification noti = new Notification.Builder(userContext) 2735 .setSmallIcon(smallIconId) 2736 .setContentTitle(mContext.getResources().getQuantityText( 2737 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 2738 .setContentText(contentText) 2739 .setContentIntent(notifyIntent) 2740 .setPriority(Notification.PRIORITY_HIGH) 2741 .setShowWhen(false) 2742 .setColor(mContext.getColor( 2743 com.android.internal.R.color.system_notification_accent_color)) 2744 .build(); 2745 2746 mInjector.getNotificationManager().notifyAsUser( 2747 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2748 } 2749 2750 private List<String> getInstalledCaCertificates(UserHandle userHandle) 2751 throws RemoteException, RuntimeException { 2752 KeyChainConnection conn = null; 2753 try { 2754 conn = KeyChain.bindAsUser(mContext, userHandle); 2755 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 2756 List<String> result = new ArrayList<>(aliases.size()); 2757 for (int i = 0; i < aliases.size(); i++) { 2758 result.add(aliases.get(i).string); 2759 } 2760 return result; 2761 } catch (InterruptedException e) { 2762 Thread.currentThread().interrupt(); 2763 return null; 2764 } catch (AssertionError e) { 2765 throw new RuntimeException(e); 2766 } finally { 2767 if (conn != null) { 2768 conn.close(); 2769 } 2770 } 2771 } 2772 } 2773 2774 /** 2775 * @param adminReceiver The admin to add 2776 * @param refreshing true = update an active admin, no error 2777 */ 2778 @Override 2779 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2780 if (!mHasFeature) { 2781 return; 2782 } 2783 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2784 } 2785 2786 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2787 Bundle onEnableData) { 2788 mContext.enforceCallingOrSelfPermission( 2789 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2790 enforceFullCrossUsersPermission(userHandle); 2791 2792 DevicePolicyData policy = getUserData(userHandle); 2793 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2794 /* throwForMissionPermission= */ true); 2795 if (info == null) { 2796 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2797 } 2798 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2799 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 2800 + adminReceiver); 2801 } 2802 synchronized (this) { 2803 long ident = mInjector.binderClearCallingIdentity(); 2804 try { 2805 if (!refreshing 2806 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 2807 throw new IllegalArgumentException("Admin is already added"); 2808 } 2809 if (policy.mRemovingAdmins.contains(adminReceiver)) { 2810 throw new IllegalArgumentException( 2811 "Trying to set an admin which is being removed"); 2812 } 2813 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2814 policy.mAdminMap.put(adminReceiver, newAdmin); 2815 int replaceIndex = -1; 2816 final int N = policy.mAdminList.size(); 2817 for (int i=0; i < N; i++) { 2818 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2819 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2820 replaceIndex = i; 2821 break; 2822 } 2823 } 2824 if (replaceIndex == -1) { 2825 policy.mAdminList.add(newAdmin); 2826 enableIfNecessary(info.getPackageName(), userHandle); 2827 } else { 2828 policy.mAdminList.set(replaceIndex, newAdmin); 2829 } 2830 saveSettingsLocked(userHandle); 2831 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2832 onEnableData, null); 2833 } finally { 2834 mInjector.binderRestoreCallingIdentity(ident); 2835 } 2836 } 2837 } 2838 2839 @Override 2840 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2841 if (!mHasFeature) { 2842 return false; 2843 } 2844 enforceFullCrossUsersPermission(userHandle); 2845 synchronized (this) { 2846 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2847 } 2848 } 2849 2850 @Override 2851 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2852 if (!mHasFeature) { 2853 return false; 2854 } 2855 enforceFullCrossUsersPermission(userHandle); 2856 synchronized (this) { 2857 DevicePolicyData policyData = getUserData(userHandle); 2858 return policyData.mRemovingAdmins.contains(adminReceiver); 2859 } 2860 } 2861 2862 @Override 2863 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2864 if (!mHasFeature) { 2865 return false; 2866 } 2867 enforceFullCrossUsersPermission(userHandle); 2868 synchronized (this) { 2869 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2870 if (administrator == null) { 2871 throw new SecurityException("No active admin " + adminReceiver); 2872 } 2873 return administrator.info.usesPolicy(policyId); 2874 } 2875 } 2876 2877 @Override 2878 @SuppressWarnings("unchecked") 2879 public List<ComponentName> getActiveAdmins(int userHandle) { 2880 if (!mHasFeature) { 2881 return Collections.EMPTY_LIST; 2882 } 2883 2884 enforceFullCrossUsersPermission(userHandle); 2885 synchronized (this) { 2886 DevicePolicyData policy = getUserData(userHandle); 2887 final int N = policy.mAdminList.size(); 2888 if (N <= 0) { 2889 return null; 2890 } 2891 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2892 for (int i=0; i<N; i++) { 2893 res.add(policy.mAdminList.get(i).info.getComponent()); 2894 } 2895 return res; 2896 } 2897 } 2898 2899 @Override 2900 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2901 if (!mHasFeature) { 2902 return false; 2903 } 2904 enforceFullCrossUsersPermission(userHandle); 2905 synchronized (this) { 2906 DevicePolicyData policy = getUserData(userHandle); 2907 final int N = policy.mAdminList.size(); 2908 for (int i=0; i<N; i++) { 2909 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2910 return true; 2911 } 2912 } 2913 return false; 2914 } 2915 } 2916 2917 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 2918 if (!mHasFeature) { 2919 return; 2920 } 2921 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 2922 enforceShell("forceRemoveActiveAdmin"); 2923 long ident = mInjector.binderClearCallingIdentity(); 2924 try { 2925 final ApplicationInfo ai; 2926 try { 2927 ai = mIPackageManager.getApplicationInfo(adminReceiver.getPackageName(), 2928 0, userHandle); 2929 } catch (RemoteException e) { 2930 throw new IllegalStateException(e); 2931 } 2932 if (ai == null) { 2933 throw new IllegalStateException("Couldn't find package to remove admin " 2934 + adminReceiver.getPackageName() + " " + userHandle); 2935 } 2936 if ((ai.flags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 2937 throw new SecurityException("Attempt to remove non-test admin " + adminReceiver 2938 + adminReceiver + " " + userHandle); 2939 } 2940 // If admin is a device or profile owner tidy that up first. 2941 synchronized (this) { 2942 if (isDeviceOwner(adminReceiver, userHandle)) { 2943 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 2944 } 2945 if (isProfileOwner(adminReceiver, userHandle)) { 2946 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 2947 userHandle, /* parent */ false); 2948 clearProfileOwnerLocked(admin, userHandle); 2949 } 2950 } 2951 // Remove the admin skipping sending the broadcast. 2952 removeAdminArtifacts(adminReceiver, userHandle); 2953 } finally { 2954 mInjector.binderRestoreCallingIdentity(ident); 2955 } 2956 } 2957 2958 private void enforceShell(String method) { 2959 final int callingUid = Binder.getCallingUid(); 2960 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 2961 throw new SecurityException("Non-shell user attempted to call " + method); 2962 } 2963 } 2964 2965 @Override 2966 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2967 if (!mHasFeature) { 2968 return; 2969 } 2970 enforceFullCrossUsersPermission(userHandle); 2971 enforceUserUnlocked(userHandle); 2972 synchronized (this) { 2973 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2974 if (admin == null) { 2975 return; 2976 } 2977 // Active device/profile owners must remain active admins. 2978 if (isDeviceOwner(adminReceiver, userHandle) 2979 || isProfileOwner(adminReceiver, userHandle)) { 2980 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 2981 adminReceiver); 2982 return; 2983 } 2984 if (admin.getUid() != mInjector.binderGetCallingUid()) { 2985 mContext.enforceCallingOrSelfPermission( 2986 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2987 } 2988 long ident = mInjector.binderClearCallingIdentity(); 2989 try { 2990 removeActiveAdminLocked(adminReceiver, userHandle); 2991 } finally { 2992 mInjector.binderRestoreCallingIdentity(ident); 2993 } 2994 } 2995 } 2996 2997 @Override 2998 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 2999 ComponentName profileOwner = getProfileOwner(userHandle); 3000 // Profile challenge is supported on N or newer release. 3001 return profileOwner != null && 3002 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3003 } 3004 3005 @Override 3006 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3007 if (!mHasFeature) { 3008 return; 3009 } 3010 Preconditions.checkNotNull(who, "ComponentName is null"); 3011 validateQualityConstant(quality); 3012 3013 synchronized (this) { 3014 ActiveAdmin ap = getActiveAdminForCallerLocked( 3015 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3016 if (ap.passwordQuality != quality) { 3017 ap.passwordQuality = quality; 3018 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3019 } 3020 } 3021 } 3022 3023 @Override 3024 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3025 if (!mHasFeature) { 3026 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3027 } 3028 enforceFullCrossUsersPermission(userHandle); 3029 synchronized (this) { 3030 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3031 3032 if (who != null) { 3033 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3034 return admin != null ? admin.passwordQuality : mode; 3035 } 3036 3037 // Return the strictest policy across all participating admins. 3038 List<ActiveAdmin> admins = 3039 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3040 final int N = admins.size(); 3041 for (int i = 0; i < N; i++) { 3042 ActiveAdmin admin = admins.get(i); 3043 if (mode < admin.passwordQuality) { 3044 mode = admin.passwordQuality; 3045 } 3046 } 3047 return mode; 3048 } 3049 } 3050 3051 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3052 int userHandle, boolean parent) { 3053 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3054 // If this user has a separate challenge, only return its restrictions. 3055 return getUserDataUnchecked(userHandle).mAdminList; 3056 } else { 3057 // Return all admins for this user and the profiles that are visible from this 3058 // user that do not use a separate work challenge. 3059 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3060 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3061 DevicePolicyData policy = getUserData(userInfo.id); 3062 if (!userInfo.isManagedProfile()) { 3063 admins.addAll(policy.mAdminList); 3064 } else { 3065 // For managed profiles, we always include the policies set on the parent 3066 // profile. Additionally, we include the ones set on the managed profile 3067 // if no separate challenge is in place. 3068 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3069 final int N = policy.mAdminList.size(); 3070 for (int i = 0; i < N; i++) { 3071 ActiveAdmin admin = policy.mAdminList.get(i); 3072 if (admin.hasParentActiveAdmin()) { 3073 admins.add(admin.getParentActiveAdmin()); 3074 } 3075 if (!hasSeparateChallenge) { 3076 admins.add(admin); 3077 } 3078 } 3079 } 3080 } 3081 return admins; 3082 } 3083 } 3084 3085 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3086 long ident = mInjector.binderClearCallingIdentity(); 3087 try { 3088 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3089 } finally { 3090 mInjector.binderRestoreCallingIdentity(ident); 3091 } 3092 } 3093 3094 @Override 3095 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3096 if (!mHasFeature) { 3097 return; 3098 } 3099 Preconditions.checkNotNull(who, "ComponentName is null"); 3100 synchronized (this) { 3101 ActiveAdmin ap = getActiveAdminForCallerLocked( 3102 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3103 if (ap.minimumPasswordLength != length) { 3104 ap.minimumPasswordLength = length; 3105 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3106 } 3107 } 3108 } 3109 3110 @Override 3111 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3112 if (!mHasFeature) { 3113 return 0; 3114 } 3115 enforceFullCrossUsersPermission(userHandle); 3116 synchronized (this) { 3117 int length = 0; 3118 3119 if (who != null) { 3120 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3121 return admin != null ? admin.minimumPasswordLength : length; 3122 } 3123 3124 // Return the strictest policy across all participating admins. 3125 List<ActiveAdmin> admins = 3126 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3127 final int N = admins.size(); 3128 for (int i = 0; i < N; i++) { 3129 ActiveAdmin admin = admins.get(i); 3130 if (length < admin.minimumPasswordLength) { 3131 length = admin.minimumPasswordLength; 3132 } 3133 } 3134 return length; 3135 } 3136 } 3137 3138 @Override 3139 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3140 if (!mHasFeature) { 3141 return; 3142 } 3143 Preconditions.checkNotNull(who, "ComponentName is null"); 3144 synchronized (this) { 3145 ActiveAdmin ap = getActiveAdminForCallerLocked( 3146 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3147 if (ap.passwordHistoryLength != length) { 3148 ap.passwordHistoryLength = length; 3149 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3150 } 3151 } 3152 } 3153 3154 @Override 3155 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3156 if (!mHasFeature) { 3157 return 0; 3158 } 3159 enforceFullCrossUsersPermission(userHandle); 3160 synchronized (this) { 3161 int length = 0; 3162 3163 if (who != null) { 3164 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3165 return admin != null ? admin.passwordHistoryLength : length; 3166 } 3167 3168 // Return the strictest policy across all participating admins. 3169 List<ActiveAdmin> admins = 3170 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3171 final int N = admins.size(); 3172 for (int i = 0; i < N; i++) { 3173 ActiveAdmin admin = admins.get(i); 3174 if (length < admin.passwordHistoryLength) { 3175 length = admin.passwordHistoryLength; 3176 } 3177 } 3178 3179 return length; 3180 } 3181 } 3182 3183 @Override 3184 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3185 if (!mHasFeature) { 3186 return; 3187 } 3188 Preconditions.checkNotNull(who, "ComponentName is null"); 3189 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3190 final int userHandle = mInjector.userHandleGetCallingUserId(); 3191 synchronized (this) { 3192 ActiveAdmin ap = getActiveAdminForCallerLocked( 3193 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3194 // Calling this API automatically bumps the expiration date 3195 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3196 ap.passwordExpirationDate = expiration; 3197 ap.passwordExpirationTimeout = timeout; 3198 if (timeout > 0L) { 3199 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3200 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3201 .format(new Date(expiration))); 3202 } 3203 saveSettingsLocked(userHandle); 3204 3205 // in case this is the first one, set the alarm on the appropriate user. 3206 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3207 } 3208 } 3209 3210 /** 3211 * Return a single admin's expiration cycle time, or the min of all cycle times. 3212 * Returns 0 if not configured. 3213 */ 3214 @Override 3215 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3216 if (!mHasFeature) { 3217 return 0L; 3218 } 3219 enforceFullCrossUsersPermission(userHandle); 3220 synchronized (this) { 3221 long timeout = 0L; 3222 3223 if (who != null) { 3224 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3225 return admin != null ? admin.passwordExpirationTimeout : timeout; 3226 } 3227 3228 // Return the strictest policy across all participating admins. 3229 List<ActiveAdmin> admins = 3230 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3231 final int N = admins.size(); 3232 for (int i = 0; i < N; i++) { 3233 ActiveAdmin admin = admins.get(i); 3234 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3235 && timeout > admin.passwordExpirationTimeout)) { 3236 timeout = admin.passwordExpirationTimeout; 3237 } 3238 } 3239 return timeout; 3240 } 3241 } 3242 3243 @Override 3244 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3245 final int userId = UserHandle.getCallingUserId(); 3246 List<String> changedProviders = null; 3247 3248 synchronized (this) { 3249 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3250 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3251 if (activeAdmin.crossProfileWidgetProviders == null) { 3252 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3253 } 3254 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3255 if (!providers.contains(packageName)) { 3256 providers.add(packageName); 3257 changedProviders = new ArrayList<>(providers); 3258 saveSettingsLocked(userId); 3259 } 3260 } 3261 3262 if (changedProviders != null) { 3263 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3264 return true; 3265 } 3266 3267 return false; 3268 } 3269 3270 @Override 3271 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3272 final int userId = UserHandle.getCallingUserId(); 3273 List<String> changedProviders = null; 3274 3275 synchronized (this) { 3276 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3277 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3278 if (activeAdmin.crossProfileWidgetProviders == null) { 3279 return false; 3280 } 3281 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3282 if (providers.remove(packageName)) { 3283 changedProviders = new ArrayList<>(providers); 3284 saveSettingsLocked(userId); 3285 } 3286 } 3287 3288 if (changedProviders != null) { 3289 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3290 return true; 3291 } 3292 3293 return false; 3294 } 3295 3296 @Override 3297 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3298 synchronized (this) { 3299 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3300 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3301 if (activeAdmin.crossProfileWidgetProviders == null 3302 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3303 return null; 3304 } 3305 if (mInjector.binderIsCallingUidMyUid()) { 3306 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3307 } else { 3308 return activeAdmin.crossProfileWidgetProviders; 3309 } 3310 } 3311 } 3312 3313 /** 3314 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3315 * Returns 0 if not configured. 3316 */ 3317 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3318 long timeout = 0L; 3319 3320 if (who != null) { 3321 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3322 return admin != null ? admin.passwordExpirationDate : timeout; 3323 } 3324 3325 // Return the strictest policy across all participating admins. 3326 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3327 final int N = admins.size(); 3328 for (int i = 0; i < N; i++) { 3329 ActiveAdmin admin = admins.get(i); 3330 if (timeout == 0L || (admin.passwordExpirationDate != 0 3331 && timeout > admin.passwordExpirationDate)) { 3332 timeout = admin.passwordExpirationDate; 3333 } 3334 } 3335 return timeout; 3336 } 3337 3338 @Override 3339 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3340 if (!mHasFeature) { 3341 return 0L; 3342 } 3343 enforceFullCrossUsersPermission(userHandle); 3344 synchronized (this) { 3345 return getPasswordExpirationLocked(who, userHandle, parent); 3346 } 3347 } 3348 3349 @Override 3350 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3351 if (!mHasFeature) { 3352 return; 3353 } 3354 Preconditions.checkNotNull(who, "ComponentName is null"); 3355 synchronized (this) { 3356 ActiveAdmin ap = getActiveAdminForCallerLocked( 3357 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3358 if (ap.minimumPasswordUpperCase != length) { 3359 ap.minimumPasswordUpperCase = length; 3360 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3361 } 3362 } 3363 } 3364 3365 @Override 3366 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3367 if (!mHasFeature) { 3368 return 0; 3369 } 3370 enforceFullCrossUsersPermission(userHandle); 3371 synchronized (this) { 3372 int length = 0; 3373 3374 if (who != null) { 3375 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3376 return admin != null ? admin.minimumPasswordUpperCase : length; 3377 } 3378 3379 // Return the strictest policy across all participating admins. 3380 List<ActiveAdmin> admins = 3381 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3382 final int N = admins.size(); 3383 for (int i = 0; i < N; i++) { 3384 ActiveAdmin admin = admins.get(i); 3385 if (length < admin.minimumPasswordUpperCase) { 3386 length = admin.minimumPasswordUpperCase; 3387 } 3388 } 3389 return length; 3390 } 3391 } 3392 3393 @Override 3394 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3395 Preconditions.checkNotNull(who, "ComponentName is null"); 3396 synchronized (this) { 3397 ActiveAdmin ap = getActiveAdminForCallerLocked( 3398 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3399 if (ap.minimumPasswordLowerCase != length) { 3400 ap.minimumPasswordLowerCase = length; 3401 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3402 } 3403 } 3404 } 3405 3406 @Override 3407 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3408 if (!mHasFeature) { 3409 return 0; 3410 } 3411 enforceFullCrossUsersPermission(userHandle); 3412 synchronized (this) { 3413 int length = 0; 3414 3415 if (who != null) { 3416 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3417 return admin != null ? admin.minimumPasswordLowerCase : length; 3418 } 3419 3420 // Return the strictest policy across all participating admins. 3421 List<ActiveAdmin> admins = 3422 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3423 final int N = admins.size(); 3424 for (int i = 0; i < N; i++) { 3425 ActiveAdmin admin = admins.get(i); 3426 if (length < admin.minimumPasswordLowerCase) { 3427 length = admin.minimumPasswordLowerCase; 3428 } 3429 } 3430 return length; 3431 } 3432 } 3433 3434 @Override 3435 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3436 if (!mHasFeature) { 3437 return; 3438 } 3439 Preconditions.checkNotNull(who, "ComponentName is null"); 3440 synchronized (this) { 3441 ActiveAdmin ap = getActiveAdminForCallerLocked( 3442 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3443 if (ap.minimumPasswordLetters != length) { 3444 ap.minimumPasswordLetters = length; 3445 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3446 } 3447 } 3448 } 3449 3450 @Override 3451 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3452 if (!mHasFeature) { 3453 return 0; 3454 } 3455 enforceFullCrossUsersPermission(userHandle); 3456 synchronized (this) { 3457 int length = 0; 3458 3459 if (who != null) { 3460 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3461 return admin != null ? admin.minimumPasswordLetters : length; 3462 } 3463 3464 // Return the strictest policy across all participating admins. 3465 List<ActiveAdmin> admins = 3466 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3467 final int N = admins.size(); 3468 for (int i = 0; i < N; i++) { 3469 ActiveAdmin admin = admins.get(i); 3470 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3471 continue; 3472 } 3473 if (length < admin.minimumPasswordLetters) { 3474 length = admin.minimumPasswordLetters; 3475 } 3476 } 3477 return length; 3478 } 3479 } 3480 3481 @Override 3482 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3483 if (!mHasFeature) { 3484 return; 3485 } 3486 Preconditions.checkNotNull(who, "ComponentName is null"); 3487 synchronized (this) { 3488 ActiveAdmin ap = getActiveAdminForCallerLocked( 3489 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3490 if (ap.minimumPasswordNumeric != length) { 3491 ap.minimumPasswordNumeric = length; 3492 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3493 } 3494 } 3495 } 3496 3497 @Override 3498 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3499 if (!mHasFeature) { 3500 return 0; 3501 } 3502 enforceFullCrossUsersPermission(userHandle); 3503 synchronized (this) { 3504 int length = 0; 3505 3506 if (who != null) { 3507 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3508 return admin != null ? admin.minimumPasswordNumeric : length; 3509 } 3510 3511 // Return the strictest policy across all participating admins. 3512 List<ActiveAdmin> admins = 3513 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3514 final int N = admins.size(); 3515 for (int i = 0; i < N; i++) { 3516 ActiveAdmin admin = admins.get(i); 3517 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3518 continue; 3519 } 3520 if (length < admin.minimumPasswordNumeric) { 3521 length = admin.minimumPasswordNumeric; 3522 } 3523 } 3524 return length; 3525 } 3526 } 3527 3528 @Override 3529 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3530 if (!mHasFeature) { 3531 return; 3532 } 3533 Preconditions.checkNotNull(who, "ComponentName is null"); 3534 synchronized (this) { 3535 ActiveAdmin ap = getActiveAdminForCallerLocked( 3536 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3537 if (ap.minimumPasswordSymbols != length) { 3538 ap.minimumPasswordSymbols = length; 3539 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3540 } 3541 } 3542 } 3543 3544 @Override 3545 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3546 if (!mHasFeature) { 3547 return 0; 3548 } 3549 enforceFullCrossUsersPermission(userHandle); 3550 synchronized (this) { 3551 int length = 0; 3552 3553 if (who != null) { 3554 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3555 return admin != null ? admin.minimumPasswordSymbols : length; 3556 } 3557 3558 // Return the strictest policy across all participating admins. 3559 List<ActiveAdmin> admins = 3560 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3561 final int N = admins.size(); 3562 for (int i = 0; i < N; i++) { 3563 ActiveAdmin admin = admins.get(i); 3564 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3565 continue; 3566 } 3567 if (length < admin.minimumPasswordSymbols) { 3568 length = admin.minimumPasswordSymbols; 3569 } 3570 } 3571 return length; 3572 } 3573 } 3574 3575 @Override 3576 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3577 if (!mHasFeature) { 3578 return; 3579 } 3580 Preconditions.checkNotNull(who, "ComponentName is null"); 3581 synchronized (this) { 3582 ActiveAdmin ap = getActiveAdminForCallerLocked( 3583 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3584 if (ap.minimumPasswordNonLetter != length) { 3585 ap.minimumPasswordNonLetter = length; 3586 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3587 } 3588 } 3589 } 3590 3591 @Override 3592 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3593 if (!mHasFeature) { 3594 return 0; 3595 } 3596 enforceFullCrossUsersPermission(userHandle); 3597 synchronized (this) { 3598 int length = 0; 3599 3600 if (who != null) { 3601 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3602 return admin != null ? admin.minimumPasswordNonLetter : length; 3603 } 3604 3605 // Return the strictest policy across all participating admins. 3606 List<ActiveAdmin> admins = 3607 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3608 final int N = admins.size(); 3609 for (int i = 0; i < N; i++) { 3610 ActiveAdmin admin = admins.get(i); 3611 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3612 continue; 3613 } 3614 if (length < admin.minimumPasswordNonLetter) { 3615 length = admin.minimumPasswordNonLetter; 3616 } 3617 } 3618 return length; 3619 } 3620 } 3621 3622 @Override 3623 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3624 if (!mHasFeature) { 3625 return true; 3626 } 3627 enforceFullCrossUsersPermission(userHandle); 3628 3629 synchronized (this) { 3630 // This API can only be called by an active device admin, 3631 // so try to retrieve it to check that the caller is one. 3632 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3633 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3634 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3635 } 3636 } 3637 3638 @Override 3639 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3640 if (!mHasFeature) { 3641 return true; 3642 } 3643 enforceFullCrossUsersPermission(userHandle); 3644 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3645 3646 synchronized (this) { 3647 int targetUser = getProfileParentId(userHandle); 3648 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3649 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3650 } 3651 } 3652 3653 private boolean isActivePasswordSufficientForUserLocked( 3654 DevicePolicyData policy, int userHandle, boolean parent) { 3655 enforceUserUnlocked(userHandle, parent); 3656 3657 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle, parent) 3658 || policy.mActivePasswordLength < getPasswordMinimumLength( 3659 null, userHandle, parent)) { 3660 return false; 3661 } 3662 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3663 return true; 3664 } 3665 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase( 3666 null, userHandle, parent) 3667 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase( 3668 null, userHandle, parent) 3669 && policy.mActivePasswordLetters >= getPasswordMinimumLetters( 3670 null, userHandle, parent) 3671 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric( 3672 null, userHandle, parent) 3673 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols( 3674 null, userHandle, parent) 3675 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter( 3676 null, userHandle, parent); 3677 } 3678 3679 @Override 3680 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3681 enforceFullCrossUsersPermission(userHandle); 3682 synchronized (this) { 3683 if (!isCallerWithSystemUid()) { 3684 // This API can only be called by an active device admin, 3685 // so try to retrieve it to check that the caller is one. 3686 getActiveAdminForCallerLocked( 3687 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3688 } 3689 3690 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3691 3692 return policy.mFailedPasswordAttempts; 3693 } 3694 } 3695 3696 @Override 3697 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3698 if (!mHasFeature) { 3699 return; 3700 } 3701 Preconditions.checkNotNull(who, "ComponentName is null"); 3702 synchronized (this) { 3703 // This API can only be called by an active device admin, 3704 // so try to retrieve it to check that the caller is one. 3705 getActiveAdminForCallerLocked( 3706 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3707 ActiveAdmin ap = getActiveAdminForCallerLocked( 3708 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3709 if (ap.maximumFailedPasswordsForWipe != num) { 3710 ap.maximumFailedPasswordsForWipe = num; 3711 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3712 } 3713 } 3714 } 3715 3716 @Override 3717 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3718 if (!mHasFeature) { 3719 return 0; 3720 } 3721 enforceFullCrossUsersPermission(userHandle); 3722 synchronized (this) { 3723 ActiveAdmin admin = (who != null) 3724 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3725 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3726 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3727 } 3728 } 3729 3730 @Override 3731 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3732 if (!mHasFeature) { 3733 return UserHandle.USER_NULL; 3734 } 3735 enforceFullCrossUsersPermission(userHandle); 3736 synchronized (this) { 3737 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3738 userHandle, parent); 3739 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3740 } 3741 } 3742 3743 /** 3744 * Returns the admin with the strictest policy on maximum failed passwords for: 3745 * <ul> 3746 * <li>this user if it has a separate profile challenge, or 3747 * <li>this user and all profiles that don't have their own challenge otherwise. 3748 * </ul> 3749 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3750 * the primary profile. 3751 * Returns {@code null} if no participating admin has that policy set. 3752 */ 3753 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3754 int userHandle, boolean parent) { 3755 int count = 0; 3756 ActiveAdmin strictestAdmin = null; 3757 3758 // Return the strictest policy across all participating admins. 3759 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3760 final int N = admins.size(); 3761 for (int i = 0; i < N; i++) { 3762 ActiveAdmin admin = admins.get(i); 3763 if (admin.maximumFailedPasswordsForWipe == 3764 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3765 continue; // No max number of failed passwords policy set for this profile. 3766 } 3767 3768 // We always favor the primary profile if several profiles have the same value set. 3769 int userId = admin.getUserHandle().getIdentifier(); 3770 if (count == 0 || 3771 count > admin.maximumFailedPasswordsForWipe || 3772 (count == admin.maximumFailedPasswordsForWipe && 3773 getUserInfo(userId).isPrimary())) { 3774 count = admin.maximumFailedPasswordsForWipe; 3775 strictestAdmin = admin; 3776 } 3777 } 3778 return strictestAdmin; 3779 } 3780 3781 private UserInfo getUserInfo(@UserIdInt int userId) { 3782 final long token = mInjector.binderClearCallingIdentity(); 3783 try { 3784 return mUserManager.getUserInfo(userId); 3785 } finally { 3786 mInjector.binderRestoreCallingIdentity(token); 3787 } 3788 } 3789 3790 @Override 3791 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3792 if (!mHasFeature) { 3793 return false; 3794 } 3795 final int callingUid = mInjector.binderGetCallingUid(); 3796 final int userHandle = mInjector.userHandleGetCallingUserId(); 3797 3798 String password = passwordOrNull != null ? passwordOrNull : ""; 3799 3800 // Password resetting to empty/null is not allowed for managed profiles. 3801 if (TextUtils.isEmpty(password)) { 3802 enforceNotManagedProfile(userHandle, "clear the active password"); 3803 } 3804 3805 int quality; 3806 synchronized (this) { 3807 // If caller has PO (or DO) it can change the password, so see if that's the case first. 3808 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 3809 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 3810 final boolean preN; 3811 if (admin != null) { 3812 preN = getTargetSdk(admin.info.getPackageName(), 3813 userHandle) <= android.os.Build.VERSION_CODES.M; 3814 } else { 3815 // Otherwise, make sure the caller has any active admin with the right policy. 3816 admin = getActiveAdminForCallerLocked(null, 3817 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 3818 preN = getTargetSdk(admin.info.getPackageName(), 3819 userHandle) <= android.os.Build.VERSION_CODES.M; 3820 3821 // As of N, password resetting to empty/null is not allowed anymore. 3822 // TODO Should we allow DO/PO to set an empty password? 3823 if (TextUtils.isEmpty(password)) { 3824 if (!preN) { 3825 throw new SecurityException("Cannot call with null password"); 3826 } else { 3827 Slog.e(LOG_TAG, "Cannot call with null password"); 3828 return false; 3829 } 3830 } 3831 // As of N, password cannot be changed by the admin if it is already set. 3832 if (isLockScreenSecureUnchecked(userHandle)) { 3833 if (!preN) { 3834 throw new SecurityException("Admin cannot change current password"); 3835 } else { 3836 Slog.e(LOG_TAG, "Admin cannot change current password"); 3837 return false; 3838 } 3839 } 3840 } 3841 // Do not allow to reset password when current user has a managed profile 3842 if (!isManagedProfile(userHandle)) { 3843 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3844 if (userInfo.isManagedProfile()) { 3845 if (!preN) { 3846 throw new IllegalStateException( 3847 "Cannot reset password on user has managed profile"); 3848 } else { 3849 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 3850 return false; 3851 } 3852 } 3853 } 3854 } 3855 // Do not allow to reset password when user is locked 3856 if (!mUserManager.isUserUnlocked(userHandle)) { 3857 if (!preN) { 3858 throw new IllegalStateException("Cannot reset password when user is locked"); 3859 } else { 3860 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 3861 return false; 3862 } 3863 } 3864 3865 quality = getPasswordQuality(null, userHandle, /* parent */ false); 3866 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 3867 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3868 } 3869 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 3870 int realQuality = LockPatternUtils.computePasswordQuality(password); 3871 if (realQuality < quality 3872 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3873 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 3874 + Integer.toHexString(realQuality) 3875 + " does not meet required quality 0x" 3876 + Integer.toHexString(quality)); 3877 return false; 3878 } 3879 quality = Math.max(realQuality, quality); 3880 } 3881 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 3882 if (password.length() < length) { 3883 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 3884 + " does not meet required length " + length); 3885 return false; 3886 } 3887 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3888 int letters = 0; 3889 int uppercase = 0; 3890 int lowercase = 0; 3891 int numbers = 0; 3892 int symbols = 0; 3893 int nonletter = 0; 3894 for (int i = 0; i < password.length(); i++) { 3895 char c = password.charAt(i); 3896 if (c >= 'A' && c <= 'Z') { 3897 letters++; 3898 uppercase++; 3899 } else if (c >= 'a' && c <= 'z') { 3900 letters++; 3901 lowercase++; 3902 } else if (c >= '0' && c <= '9') { 3903 numbers++; 3904 nonletter++; 3905 } else { 3906 symbols++; 3907 nonletter++; 3908 } 3909 } 3910 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 3911 if(letters < neededLetters) { 3912 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 3913 + " does not meet required number of letters " + neededLetters); 3914 return false; 3915 } 3916 int neededNumbers = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 3917 if (numbers < neededNumbers) { 3918 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 3919 + " does not meet required number of numerical digits " 3920 + neededNumbers); 3921 return false; 3922 } 3923 int neededLowerCase = getPasswordMinimumLowerCase( 3924 null, userHandle, /* parent */ false); 3925 if (lowercase < neededLowerCase) { 3926 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 3927 + " does not meet required number of lowercase letters " 3928 + neededLowerCase); 3929 return false; 3930 } 3931 int neededUpperCase = getPasswordMinimumUpperCase( 3932 null, userHandle, /* parent */ false); 3933 if (uppercase < neededUpperCase) { 3934 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 3935 + " does not meet required number of uppercase letters " 3936 + neededUpperCase); 3937 return false; 3938 } 3939 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 3940 if (symbols < neededSymbols) { 3941 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 3942 + " does not meet required number of special symbols " + neededSymbols); 3943 return false; 3944 } 3945 int neededNonLetter = getPasswordMinimumNonLetter( 3946 null, userHandle, /* parent */ false); 3947 if (nonletter < neededNonLetter) { 3948 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 3949 + " does not meet required number of non-letter characters " 3950 + neededNonLetter); 3951 return false; 3952 } 3953 } 3954 } 3955 3956 DevicePolicyData policy = getUserData(userHandle); 3957 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 3958 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 3959 return false; 3960 } 3961 3962 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 3963 boolean doNotAskCredentialsOnBoot = 3964 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 3965 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 3966 setDoNotAskCredentialsOnBoot(); 3967 } 3968 3969 // Don't do this with the lock held, because it is going to call 3970 // back in to the service. 3971 final long ident = mInjector.binderClearCallingIdentity(); 3972 try { 3973 if (!TextUtils.isEmpty(password)) { 3974 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 3975 } else { 3976 mLockPatternUtils.clearLock(userHandle); 3977 } 3978 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 3979 if (requireEntry) { 3980 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 3981 UserHandle.USER_ALL); 3982 } 3983 synchronized (this) { 3984 int newOwner = requireEntry ? callingUid : -1; 3985 if (policy.mPasswordOwner != newOwner) { 3986 policy.mPasswordOwner = newOwner; 3987 saveSettingsLocked(userHandle); 3988 } 3989 } 3990 } finally { 3991 mInjector.binderRestoreCallingIdentity(ident); 3992 } 3993 3994 return true; 3995 } 3996 3997 private boolean isLockScreenSecureUnchecked(int userId) { 3998 long ident = mInjector.binderClearCallingIdentity(); 3999 try { 4000 return mLockPatternUtils.isSecure(userId); 4001 } finally { 4002 mInjector.binderRestoreCallingIdentity(ident); 4003 } 4004 } 4005 4006 private void setDoNotAskCredentialsOnBoot() { 4007 synchronized (this) { 4008 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4009 if (!policyData.doNotAskCredentialsOnBoot) { 4010 policyData.doNotAskCredentialsOnBoot = true; 4011 saveSettingsLocked(UserHandle.USER_SYSTEM); 4012 } 4013 } 4014 } 4015 4016 @Override 4017 public boolean getDoNotAskCredentialsOnBoot() { 4018 mContext.enforceCallingOrSelfPermission( 4019 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4020 synchronized (this) { 4021 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4022 return policyData.doNotAskCredentialsOnBoot; 4023 } 4024 } 4025 4026 @Override 4027 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4028 if (!mHasFeature) { 4029 return; 4030 } 4031 Preconditions.checkNotNull(who, "ComponentName is null"); 4032 final int userHandle = mInjector.userHandleGetCallingUserId(); 4033 synchronized (this) { 4034 ActiveAdmin ap = getActiveAdminForCallerLocked( 4035 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4036 if (ap.maximumTimeToUnlock != timeMs) { 4037 ap.maximumTimeToUnlock = timeMs; 4038 saveSettingsLocked(userHandle); 4039 updateMaximumTimeToLockLocked(userHandle); 4040 } 4041 } 4042 } 4043 4044 void updateMaximumTimeToLockLocked(int userHandle) { 4045 // Calculate the min timeout for all profiles - including the ones with a separate 4046 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4047 // challenge only and keep the screen on. However there is no easy way of doing that at the 4048 // moment so we set the screen off timeout regardless of whether it affects the parent user 4049 // or the profile challenge only. 4050 long timeMs = Long.MAX_VALUE; 4051 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4052 for (int profileId : profileIds) { 4053 DevicePolicyData policy = getUserDataUnchecked(profileId); 4054 final int N = policy.mAdminList.size(); 4055 for (int i = 0; i < N; i++) { 4056 ActiveAdmin admin = policy.mAdminList.get(i); 4057 if (admin.maximumTimeToUnlock > 0 4058 && timeMs > admin.maximumTimeToUnlock) { 4059 timeMs = admin.maximumTimeToUnlock; 4060 } 4061 // If userInfo.id is a managed profile, we also need to look at 4062 // the policies set on the parent. 4063 if (admin.hasParentActiveAdmin()) { 4064 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4065 if (parentAdmin.maximumTimeToUnlock > 0 4066 && timeMs > parentAdmin.maximumTimeToUnlock) { 4067 timeMs = parentAdmin.maximumTimeToUnlock; 4068 } 4069 } 4070 } 4071 } 4072 4073 // We only store the last maximum time to lock on the parent profile. So if calling from a 4074 // managed profile, retrieve the policy for the parent. 4075 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4076 if (policy.mLastMaximumTimeToLock == timeMs) { 4077 return; 4078 } 4079 policy.mLastMaximumTimeToLock = timeMs; 4080 4081 final long ident = mInjector.binderClearCallingIdentity(); 4082 try { 4083 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4084 // Make sure KEEP_SCREEN_ON is disabled, since that 4085 // would allow bypassing of the maximum time to lock. 4086 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4087 } 4088 4089 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4090 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4091 } finally { 4092 mInjector.binderRestoreCallingIdentity(ident); 4093 } 4094 } 4095 4096 @Override 4097 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4098 if (!mHasFeature) { 4099 return 0; 4100 } 4101 enforceFullCrossUsersPermission(userHandle); 4102 synchronized (this) { 4103 if (who != null) { 4104 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4105 return admin != null ? admin.maximumTimeToUnlock : 0; 4106 } 4107 // Return the strictest policy across all participating admins. 4108 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4109 userHandle, parent); 4110 return getMaximumTimeToLockPolicyFromAdmins(admins); 4111 } 4112 } 4113 4114 @Override 4115 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4116 if (!mHasFeature) { 4117 return 0; 4118 } 4119 enforceFullCrossUsersPermission(userHandle); 4120 synchronized (this) { 4121 // All admins for this user. 4122 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4123 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4124 DevicePolicyData policy = getUserData(userInfo.id); 4125 admins.addAll(policy.mAdminList); 4126 // If it is a managed profile, it may have parent active admins 4127 if (userInfo.isManagedProfile()) { 4128 for (ActiveAdmin admin : policy.mAdminList) { 4129 if (admin.hasParentActiveAdmin()) { 4130 admins.add(admin.getParentActiveAdmin()); 4131 } 4132 } 4133 } 4134 } 4135 return getMaximumTimeToLockPolicyFromAdmins(admins); 4136 } 4137 } 4138 4139 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4140 long time = 0; 4141 final int N = admins.size(); 4142 for (int i = 0; i < N; i++) { 4143 ActiveAdmin admin = admins.get(i); 4144 if (time == 0) { 4145 time = admin.maximumTimeToUnlock; 4146 } else if (admin.maximumTimeToUnlock != 0 4147 && time > admin.maximumTimeToUnlock) { 4148 time = admin.maximumTimeToUnlock; 4149 } 4150 } 4151 return time; 4152 } 4153 4154 @Override 4155 public void lockNow(boolean parent) { 4156 if (!mHasFeature) { 4157 return; 4158 } 4159 synchronized (this) { 4160 // This API can only be called by an active device admin, 4161 // so try to retrieve it to check that the caller is one. 4162 getActiveAdminForCallerLocked( 4163 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4164 4165 int userToLock = mInjector.userHandleGetCallingUserId(); 4166 4167 // Unless this is a managed profile with work challenge enabled, lock all users. 4168 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 4169 userToLock = UserHandle.USER_ALL; 4170 } 4171 final long ident = mInjector.binderClearCallingIdentity(); 4172 try { 4173 mLockPatternUtils.requireStrongAuth( 4174 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4175 if (userToLock == UserHandle.USER_ALL) { 4176 // Power off the display 4177 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4178 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4179 mInjector.getIWindowManager().lockNow(null); 4180 } else { 4181 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4182 } 4183 } catch (RemoteException e) { 4184 } finally { 4185 mInjector.binderRestoreCallingIdentity(ident); 4186 } 4187 } 4188 } 4189 4190 @Override 4191 public void enforceCanManageCaCerts(ComponentName who) { 4192 if (who == null) { 4193 if (!isCallerDelegatedCertInstaller()) { 4194 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4195 } 4196 } else { 4197 synchronized (this) { 4198 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4199 } 4200 } 4201 } 4202 4203 private void enforceCanManageInstalledKeys(ComponentName who) { 4204 if (who == null) { 4205 if (!isCallerDelegatedCertInstaller()) { 4206 throw new SecurityException("who == null, but caller is not cert installer"); 4207 } 4208 } else { 4209 synchronized (this) { 4210 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4211 } 4212 } 4213 } 4214 4215 private boolean isCallerDelegatedCertInstaller() { 4216 final int callingUid = mInjector.binderGetCallingUid(); 4217 final int userHandle = UserHandle.getUserId(callingUid); 4218 synchronized (this) { 4219 final DevicePolicyData policy = getUserData(userHandle); 4220 if (policy.mDelegatedCertInstallerPackage == null) { 4221 return false; 4222 } 4223 4224 try { 4225 int uid = mContext.getPackageManager().getPackageUidAsUser( 4226 policy.mDelegatedCertInstallerPackage, userHandle); 4227 return uid == callingUid; 4228 } catch (NameNotFoundException e) { 4229 return false; 4230 } 4231 } 4232 } 4233 4234 @Override 4235 public boolean approveCaCert(String alias, int userId, boolean approval) { 4236 enforceManageUsers(); 4237 synchronized (this) { 4238 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4239 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4240 if (!changed) { 4241 return false; 4242 } 4243 saveSettingsLocked(userId); 4244 } 4245 new MonitoringCertNotificationTask().execute(userId); 4246 return true; 4247 } 4248 4249 @Override 4250 public boolean isCaCertApproved(String alias, int userId) { 4251 enforceManageUsers(); 4252 synchronized (this) { 4253 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4254 } 4255 } 4256 4257 private void removeCaApprovalsIfNeeded(int userId) { 4258 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4259 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4260 if (userInfo.isManagedProfile()){ 4261 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4262 } 4263 if (!isSecure) { 4264 synchronized (this) { 4265 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4266 saveSettingsLocked(userInfo.id); 4267 } 4268 4269 new MonitoringCertNotificationTask().execute(userInfo.id); 4270 } 4271 } 4272 } 4273 4274 @Override 4275 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4276 enforceCanManageCaCerts(admin); 4277 4278 byte[] pemCert; 4279 try { 4280 X509Certificate cert = parseCert(certBuffer); 4281 pemCert = Credentials.convertToPem(cert); 4282 } catch (CertificateException ce) { 4283 Log.e(LOG_TAG, "Problem converting cert", ce); 4284 return false; 4285 } catch (IOException ioe) { 4286 Log.e(LOG_TAG, "Problem reading cert", ioe); 4287 return false; 4288 } 4289 4290 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4291 final long id = mInjector.binderClearCallingIdentity(); 4292 try { 4293 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4294 try { 4295 keyChainConnection.getService().installCaCertificate(pemCert); 4296 return true; 4297 } catch (RemoteException e) { 4298 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4299 } finally { 4300 keyChainConnection.close(); 4301 } 4302 } catch (InterruptedException e1) { 4303 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4304 Thread.currentThread().interrupt(); 4305 } finally { 4306 mInjector.binderRestoreCallingIdentity(id); 4307 } 4308 return false; 4309 } 4310 4311 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4312 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4313 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4314 certBuffer)); 4315 } 4316 4317 @Override 4318 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4319 enforceCanManageCaCerts(admin); 4320 4321 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4322 final long id = mInjector.binderClearCallingIdentity(); 4323 try { 4324 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4325 try { 4326 for (int i = 0 ; i < aliases.length; i++) { 4327 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4328 } 4329 } catch (RemoteException e) { 4330 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4331 } finally { 4332 keyChainConnection.close(); 4333 } 4334 } catch (InterruptedException ie) { 4335 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4336 Thread.currentThread().interrupt(); 4337 } finally { 4338 mInjector.binderRestoreCallingIdentity(id); 4339 } 4340 } 4341 4342 @Override 4343 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, 4344 String alias, boolean requestAccess) { 4345 enforceCanManageInstalledKeys(who); 4346 4347 final int callingUid = mInjector.binderGetCallingUid(); 4348 final long id = mInjector.binderClearCallingIdentity(); 4349 try { 4350 final KeyChainConnection keyChainConnection = 4351 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4352 try { 4353 IKeyChainService keyChain = keyChainConnection.getService(); 4354 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4355 return false; 4356 } 4357 if (requestAccess) { 4358 keyChain.setGrant(callingUid, alias, true); 4359 } 4360 return true; 4361 } catch (RemoteException e) { 4362 Log.e(LOG_TAG, "Installing certificate", e); 4363 } finally { 4364 keyChainConnection.close(); 4365 } 4366 } catch (InterruptedException e) { 4367 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4368 Thread.currentThread().interrupt(); 4369 } finally { 4370 mInjector.binderRestoreCallingIdentity(id); 4371 } 4372 return false; 4373 } 4374 4375 @Override 4376 public boolean removeKeyPair(ComponentName who, String alias) { 4377 enforceCanManageInstalledKeys(who); 4378 4379 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4380 final long id = Binder.clearCallingIdentity(); 4381 try { 4382 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4383 try { 4384 IKeyChainService keyChain = keyChainConnection.getService(); 4385 return keyChain.removeKeyPair(alias); 4386 } catch (RemoteException e) { 4387 Log.e(LOG_TAG, "Removing keypair", e); 4388 } finally { 4389 keyChainConnection.close(); 4390 } 4391 } catch (InterruptedException e) { 4392 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4393 Thread.currentThread().interrupt(); 4394 } finally { 4395 Binder.restoreCallingIdentity(id); 4396 } 4397 return false; 4398 } 4399 4400 @Override 4401 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4402 final IBinder response) { 4403 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4404 if (!isCallerWithSystemUid()) { 4405 return; 4406 } 4407 4408 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4409 // If there is a profile owner, redirect to that; otherwise query the device owner. 4410 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4411 if (aliasChooser == null && caller.isSystem()) { 4412 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4413 if (deviceOwnerAdmin != null) { 4414 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4415 } 4416 } 4417 if (aliasChooser == null) { 4418 sendPrivateKeyAliasResponse(null, response); 4419 return; 4420 } 4421 4422 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4423 intent.setComponent(aliasChooser); 4424 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4425 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4426 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4427 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4428 4429 final long id = mInjector.binderClearCallingIdentity(); 4430 try { 4431 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4432 @Override 4433 public void onReceive(Context context, Intent intent) { 4434 final String chosenAlias = getResultData(); 4435 sendPrivateKeyAliasResponse(chosenAlias, response); 4436 } 4437 }, null, Activity.RESULT_OK, null, null); 4438 } finally { 4439 mInjector.binderRestoreCallingIdentity(id); 4440 } 4441 } 4442 4443 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4444 final IKeyChainAliasCallback keyChainAliasResponse = 4445 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4446 new AsyncTask<Void, Void, Void>() { 4447 @Override 4448 protected Void doInBackground(Void... unused) { 4449 try { 4450 keyChainAliasResponse.alias(alias); 4451 } catch (Exception e) { 4452 // Catch everything (not just RemoteException): caller could throw a 4453 // RuntimeException back across processes. 4454 Log.e(LOG_TAG, "error while responding to callback", e); 4455 } 4456 return null; 4457 } 4458 }.execute(); 4459 } 4460 4461 @Override 4462 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4463 throws SecurityException { 4464 int userHandle = UserHandle.getCallingUserId(); 4465 synchronized (this) { 4466 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4467 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4468 if (installerPackage != null && 4469 !isPackageInstalledForUser(installerPackage, userHandle)) { 4470 throw new IllegalArgumentException("Package " + installerPackage 4471 + " is not installed on the current user"); 4472 } 4473 } 4474 DevicePolicyData policy = getUserData(userHandle); 4475 policy.mDelegatedCertInstallerPackage = installerPackage; 4476 saveSettingsLocked(userHandle); 4477 } 4478 } 4479 4480 @Override 4481 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4482 int userHandle = UserHandle.getCallingUserId(); 4483 synchronized (this) { 4484 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4485 DevicePolicyData policy = getUserData(userHandle); 4486 return policy.mDelegatedCertInstallerPackage; 4487 } 4488 } 4489 4490 /** 4491 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 4492 * not installed and therefore not available. 4493 * 4494 * @throws SecurityException if the caller is not a profile or device owner. 4495 * @throws UnsupportedException if the package does not support being set as always-on. 4496 */ 4497 @Override 4498 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 4499 throws SecurityException { 4500 synchronized (this) { 4501 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4502 } 4503 4504 final int userId = mInjector.userHandleGetCallingUserId(); 4505 final long token = mInjector.binderClearCallingIdentity(); 4506 try { 4507 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 4508 return false; 4509 } 4510 ConnectivityManager connectivityManager = (ConnectivityManager) 4511 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4512 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 4513 throw new UnsupportedOperationException(); 4514 } 4515 } finally { 4516 mInjector.binderRestoreCallingIdentity(token); 4517 } 4518 return true; 4519 } 4520 4521 @Override 4522 public String getAlwaysOnVpnPackage(ComponentName admin) 4523 throws SecurityException { 4524 synchronized (this) { 4525 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4526 } 4527 4528 final int userId = mInjector.userHandleGetCallingUserId(); 4529 final long token = mInjector.binderClearCallingIdentity(); 4530 try{ 4531 ConnectivityManager connectivityManager = (ConnectivityManager) 4532 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4533 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4534 } finally { 4535 mInjector.binderRestoreCallingIdentity(token); 4536 } 4537 } 4538 4539 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 4540 if (wipeExtRequested) { 4541 StorageManager sm = (StorageManager) mContext.getSystemService( 4542 Context.STORAGE_SERVICE); 4543 sm.wipeAdoptableDisks(); 4544 } 4545 try { 4546 RecoverySystem.rebootWipeUserData(mContext, reason); 4547 } catch (IOException | SecurityException e) { 4548 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4549 } 4550 } 4551 4552 @Override 4553 public void wipeData(int flags) { 4554 if (!mHasFeature) { 4555 return; 4556 } 4557 final int userHandle = mInjector.userHandleGetCallingUserId(); 4558 enforceFullCrossUsersPermission(userHandle); 4559 synchronized (this) { 4560 // This API can only be called by an active device admin, 4561 // so try to retrieve it to check that the caller is one. 4562 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4563 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4564 4565 final String source = admin.info.getComponent().flattenToShortString(); 4566 4567 long ident = mInjector.binderClearCallingIdentity(); 4568 try { 4569 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4570 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4571 throw new SecurityException( 4572 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4573 } 4574 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4575 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4576 if (manager != null) { 4577 manager.wipe(); 4578 } 4579 } 4580 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4581 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4582 "DevicePolicyManager.wipeData() from " + source); 4583 } finally { 4584 mInjector.binderRestoreCallingIdentity(ident); 4585 } 4586 } 4587 } 4588 4589 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 4590 if (userHandle == UserHandle.USER_SYSTEM) { 4591 wipeDataLocked(wipeExtRequested, reason); 4592 } else { 4593 mHandler.post(new Runnable() { 4594 @Override 4595 public void run() { 4596 try { 4597 IActivityManager am = mInjector.getIActivityManager(); 4598 if (am.getCurrentUser().id == userHandle) { 4599 am.switchUser(UserHandle.USER_SYSTEM); 4600 } 4601 4602 boolean isManagedProfile = isManagedProfile(userHandle); 4603 if (!mUserManager.removeUser(userHandle)) { 4604 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4605 } else if (isManagedProfile) { 4606 sendWipeProfileNotification(); 4607 } 4608 } catch (RemoteException re) { 4609 // Shouldn't happen 4610 } 4611 } 4612 }); 4613 } 4614 } 4615 4616 private void sendWipeProfileNotification() { 4617 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4618 Notification notification = new Notification.Builder(mContext) 4619 .setSmallIcon(android.R.drawable.stat_sys_warning) 4620 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4621 .setContentText(contentText) 4622 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4623 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4624 .build(); 4625 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4626 } 4627 4628 private void clearWipeProfileNotification() { 4629 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4630 } 4631 4632 @Override 4633 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4634 if (!mHasFeature) { 4635 return; 4636 } 4637 enforceFullCrossUsersPermission(userHandle); 4638 mContext.enforceCallingOrSelfPermission( 4639 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4640 4641 synchronized (this) { 4642 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4643 if (admin == null) { 4644 result.sendResult(null); 4645 return; 4646 } 4647 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4648 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4649 intent.setComponent(admin.info.getComponent()); 4650 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4651 null, new BroadcastReceiver() { 4652 @Override 4653 public void onReceive(Context context, Intent intent) { 4654 result.sendResult(getResultExtras(false)); 4655 } 4656 }, null, Activity.RESULT_OK, null, null); 4657 } 4658 } 4659 4660 @Override 4661 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4662 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4663 if (!mHasFeature) { 4664 return; 4665 } 4666 enforceFullCrossUsersPermission(userHandle); 4667 mContext.enforceCallingOrSelfPermission( 4668 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4669 4670 // If the managed profile doesn't have a separate password, set the metrics to default 4671 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 4672 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4673 length = 0; 4674 letters = 0; 4675 uppercase = 0; 4676 lowercase = 0; 4677 numbers = 0; 4678 symbols = 0; 4679 nonletter = 0; 4680 } 4681 4682 validateQualityConstant(quality); 4683 DevicePolicyData policy = getUserData(userHandle); 4684 synchronized (this) { 4685 policy.mActivePasswordQuality = quality; 4686 policy.mActivePasswordLength = length; 4687 policy.mActivePasswordLetters = letters; 4688 policy.mActivePasswordLowerCase = lowercase; 4689 policy.mActivePasswordUpperCase = uppercase; 4690 policy.mActivePasswordNumeric = numbers; 4691 policy.mActivePasswordSymbols = symbols; 4692 policy.mActivePasswordNonLetter = nonletter; 4693 } 4694 } 4695 4696 @Override 4697 public void reportPasswordChanged(int userId) { 4698 if (!mHasFeature) { 4699 return; 4700 } 4701 enforceFullCrossUsersPermission(userId); 4702 4703 // Managed Profile password can only be changed when it has a separate challenge. 4704 if (!isSeparateProfileChallengeEnabled(userId)) { 4705 enforceNotManagedProfile(userId, "set the active password"); 4706 } 4707 4708 mContext.enforceCallingOrSelfPermission( 4709 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4710 4711 DevicePolicyData policy = getUserData(userId); 4712 4713 long ident = mInjector.binderClearCallingIdentity(); 4714 try { 4715 synchronized (this) { 4716 policy.mFailedPasswordAttempts = 0; 4717 saveSettingsLocked(userId); 4718 updatePasswordExpirationsLocked(userId); 4719 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 4720 4721 // Send a broadcast to each profile using this password as its primary unlock. 4722 sendAdminCommandForLockscreenPoliciesLocked( 4723 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4724 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 4725 } 4726 removeCaApprovalsIfNeeded(userId); 4727 } finally { 4728 mInjector.binderRestoreCallingIdentity(ident); 4729 } 4730 } 4731 4732 /** 4733 * Called any time the device password is updated. Resets all password expiration clocks. 4734 */ 4735 private void updatePasswordExpirationsLocked(int userHandle) { 4736 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4737 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4738 userHandle, /* parent */ false); 4739 final int N = admins.size(); 4740 for (int i = 0; i < N; i++) { 4741 ActiveAdmin admin = admins.get(i); 4742 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4743 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4744 long timeout = admin.passwordExpirationTimeout; 4745 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4746 admin.passwordExpirationDate = expiration; 4747 } 4748 } 4749 for (int affectedUserId : affectedUserIds) { 4750 saveSettingsLocked(affectedUserId); 4751 } 4752 } 4753 4754 @Override 4755 public void reportFailedPasswordAttempt(int userHandle) { 4756 enforceFullCrossUsersPermission(userHandle); 4757 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4758 enforceNotManagedProfile(userHandle, 4759 "report failed password attempt if separate profile challenge is not in place"); 4760 } 4761 mContext.enforceCallingOrSelfPermission( 4762 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4763 4764 final long ident = mInjector.binderClearCallingIdentity(); 4765 try { 4766 boolean wipeData = false; 4767 int identifier = 0; 4768 synchronized (this) { 4769 DevicePolicyData policy = getUserData(userHandle); 4770 policy.mFailedPasswordAttempts++; 4771 saveSettingsLocked(userHandle); 4772 if (mHasFeature) { 4773 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4774 userHandle, /* parent */ false); 4775 int max = strictestAdmin != null 4776 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4777 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4778 // Wipe the user/profile associated with the policy that was violated. This 4779 // is not necessarily calling user: if the policy that fired was from a 4780 // managed profile rather than the main user profile, we wipe former only. 4781 wipeData = true; 4782 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4783 } 4784 4785 sendAdminCommandForLockscreenPoliciesLocked( 4786 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4787 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4788 } 4789 } 4790 if (wipeData) { 4791 // Call without holding lock. 4792 wipeDeviceOrUserLocked(false, identifier, 4793 "reportFailedPasswordAttempt()"); 4794 } 4795 } finally { 4796 mInjector.binderRestoreCallingIdentity(ident); 4797 } 4798 4799 if (mInjector.securityLogIsLoggingEnabled()) { 4800 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4801 /*method strength*/ 1); 4802 } 4803 } 4804 4805 @Override 4806 public void reportSuccessfulPasswordAttempt(int userHandle) { 4807 enforceFullCrossUsersPermission(userHandle); 4808 mContext.enforceCallingOrSelfPermission( 4809 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4810 4811 synchronized (this) { 4812 DevicePolicyData policy = getUserData(userHandle); 4813 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4814 long ident = mInjector.binderClearCallingIdentity(); 4815 try { 4816 policy.mFailedPasswordAttempts = 0; 4817 policy.mPasswordOwner = -1; 4818 saveSettingsLocked(userHandle); 4819 if (mHasFeature) { 4820 sendAdminCommandForLockscreenPoliciesLocked( 4821 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4822 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4823 } 4824 } finally { 4825 mInjector.binderRestoreCallingIdentity(ident); 4826 } 4827 } 4828 } 4829 4830 if (mInjector.securityLogIsLoggingEnabled()) { 4831 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4832 /*method strength*/ 1); 4833 } 4834 } 4835 4836 @Override 4837 public void reportFailedFingerprintAttempt(int userHandle) { 4838 enforceFullCrossUsersPermission(userHandle); 4839 mContext.enforceCallingOrSelfPermission( 4840 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4841 if (mInjector.securityLogIsLoggingEnabled()) { 4842 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4843 /*method strength*/ 0); 4844 } 4845 } 4846 4847 @Override 4848 public void reportSuccessfulFingerprintAttempt(int userHandle) { 4849 enforceFullCrossUsersPermission(userHandle); 4850 mContext.enforceCallingOrSelfPermission( 4851 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4852 if (mInjector.securityLogIsLoggingEnabled()) { 4853 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4854 /*method strength*/ 0); 4855 } 4856 } 4857 4858 @Override 4859 public void reportKeyguardDismissed(int userHandle) { 4860 enforceFullCrossUsersPermission(userHandle); 4861 mContext.enforceCallingOrSelfPermission( 4862 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4863 4864 if (mInjector.securityLogIsLoggingEnabled()) { 4865 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 4866 } 4867 } 4868 4869 @Override 4870 public void reportKeyguardSecured(int userHandle) { 4871 enforceFullCrossUsersPermission(userHandle); 4872 mContext.enforceCallingOrSelfPermission( 4873 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4874 4875 if (mInjector.securityLogIsLoggingEnabled()) { 4876 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 4877 } 4878 } 4879 4880 @Override 4881 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 4882 String exclusionList) { 4883 if (!mHasFeature) { 4884 return null; 4885 } 4886 synchronized(this) { 4887 Preconditions.checkNotNull(who, "ComponentName is null"); 4888 4889 // Only check if system user has set global proxy. We don't allow other users to set it. 4890 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4891 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4892 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 4893 4894 // Scan through active admins and find if anyone has already 4895 // set the global proxy. 4896 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 4897 for (ComponentName component : compSet) { 4898 ActiveAdmin ap = policy.mAdminMap.get(component); 4899 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 4900 // Another admin already sets the global proxy 4901 // Return it to the caller. 4902 return component; 4903 } 4904 } 4905 4906 // If the user is not system, don't set the global proxy. Fail silently. 4907 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 4908 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 4909 + UserHandle.getCallingUserId() + " is not permitted."); 4910 return null; 4911 } 4912 if (proxySpec == null) { 4913 admin.specifiesGlobalProxy = false; 4914 admin.globalProxySpec = null; 4915 admin.globalProxyExclusionList = null; 4916 } else { 4917 4918 admin.specifiesGlobalProxy = true; 4919 admin.globalProxySpec = proxySpec; 4920 admin.globalProxyExclusionList = exclusionList; 4921 } 4922 4923 // Reset the global proxy accordingly 4924 // Do this using system permissions, as apps cannot write to secure settings 4925 long origId = mInjector.binderClearCallingIdentity(); 4926 try { 4927 resetGlobalProxyLocked(policy); 4928 } finally { 4929 mInjector.binderRestoreCallingIdentity(origId); 4930 } 4931 return null; 4932 } 4933 } 4934 4935 @Override 4936 public ComponentName getGlobalProxyAdmin(int userHandle) { 4937 if (!mHasFeature) { 4938 return null; 4939 } 4940 enforceFullCrossUsersPermission(userHandle); 4941 synchronized(this) { 4942 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4943 // Scan through active admins and find if anyone has already 4944 // set the global proxy. 4945 final int N = policy.mAdminList.size(); 4946 for (int i = 0; i < N; i++) { 4947 ActiveAdmin ap = policy.mAdminList.get(i); 4948 if (ap.specifiesGlobalProxy) { 4949 // Device admin sets the global proxy 4950 // Return it to the caller. 4951 return ap.info.getComponent(); 4952 } 4953 } 4954 } 4955 // No device admin sets the global proxy. 4956 return null; 4957 } 4958 4959 @Override 4960 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 4961 synchronized (this) { 4962 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4963 } 4964 long token = mInjector.binderClearCallingIdentity(); 4965 try { 4966 ConnectivityManager connectivityManager = (ConnectivityManager) 4967 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4968 connectivityManager.setGlobalProxy(proxyInfo); 4969 } finally { 4970 mInjector.binderRestoreCallingIdentity(token); 4971 } 4972 } 4973 4974 private void resetGlobalProxyLocked(DevicePolicyData policy) { 4975 final int N = policy.mAdminList.size(); 4976 for (int i = 0; i < N; i++) { 4977 ActiveAdmin ap = policy.mAdminList.get(i); 4978 if (ap.specifiesGlobalProxy) { 4979 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 4980 return; 4981 } 4982 } 4983 // No device admins defining global proxies - reset global proxy settings to none 4984 saveGlobalProxyLocked(null, null); 4985 } 4986 4987 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 4988 if (exclusionList == null) { 4989 exclusionList = ""; 4990 } 4991 if (proxySpec == null) { 4992 proxySpec = ""; 4993 } 4994 // Remove white spaces 4995 proxySpec = proxySpec.trim(); 4996 String data[] = proxySpec.split(":"); 4997 int proxyPort = 8080; 4998 if (data.length > 1) { 4999 try { 5000 proxyPort = Integer.parseInt(data[1]); 5001 } catch (NumberFormatException e) {} 5002 } 5003 exclusionList = exclusionList.trim(); 5004 5005 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5006 if (!proxyProperties.isValid()) { 5007 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5008 return; 5009 } 5010 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5011 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5012 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5013 exclusionList); 5014 } 5015 5016 /** 5017 * Set the storage encryption request for a single admin. Returns the new total request 5018 * status (for all admins). 5019 */ 5020 @Override 5021 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5022 if (!mHasFeature) { 5023 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5024 } 5025 Preconditions.checkNotNull(who, "ComponentName is null"); 5026 final int userHandle = UserHandle.getCallingUserId(); 5027 synchronized (this) { 5028 // Check for permissions 5029 // Only system user can set storage encryption 5030 if (userHandle != UserHandle.USER_SYSTEM) { 5031 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5032 + UserHandle.getCallingUserId() + " is not permitted."); 5033 return 0; 5034 } 5035 5036 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5037 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5038 5039 // Quick exit: If the filesystem does not support encryption, we can exit early. 5040 if (!isEncryptionSupported()) { 5041 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5042 } 5043 5044 // (1) Record the value for the admin so it's sticky 5045 if (ap.encryptionRequested != encrypt) { 5046 ap.encryptionRequested = encrypt; 5047 saveSettingsLocked(userHandle); 5048 } 5049 5050 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5051 // (2) Compute "max" for all admins 5052 boolean newRequested = false; 5053 final int N = policy.mAdminList.size(); 5054 for (int i = 0; i < N; i++) { 5055 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5056 } 5057 5058 // Notify OS of new request 5059 setEncryptionRequested(newRequested); 5060 5061 // Return the new global request status 5062 return newRequested 5063 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5064 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5065 } 5066 } 5067 5068 /** 5069 * Get the current storage encryption request status for a given admin, or aggregate of all 5070 * active admins. 5071 */ 5072 @Override 5073 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5074 if (!mHasFeature) { 5075 return false; 5076 } 5077 enforceFullCrossUsersPermission(userHandle); 5078 synchronized (this) { 5079 // Check for permissions if a particular caller is specified 5080 if (who != null) { 5081 // When checking for a single caller, status is based on caller's request 5082 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5083 return ap != null ? ap.encryptionRequested : false; 5084 } 5085 5086 // If no particular caller is specified, return the aggregate set of requests. 5087 // This is short circuited by returning true on the first hit. 5088 DevicePolicyData policy = getUserData(userHandle); 5089 final int N = policy.mAdminList.size(); 5090 for (int i = 0; i < N; i++) { 5091 if (policy.mAdminList.get(i).encryptionRequested) { 5092 return true; 5093 } 5094 } 5095 return false; 5096 } 5097 } 5098 5099 /** 5100 * Get the current encryption status of the device. 5101 */ 5102 @Override 5103 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5104 if (!mHasFeature) { 5105 // Ok to return current status. 5106 } 5107 enforceFullCrossUsersPermission(userHandle); 5108 5109 // It's not critical here, but let's make sure the package name is correct, in case 5110 // we start using it for different purposes. 5111 ensureCallerPackage(callerPackage); 5112 5113 final ApplicationInfo ai; 5114 try { 5115 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5116 } catch (RemoteException e) { 5117 throw new SecurityException(e); 5118 } 5119 5120 boolean legacyApp = false; 5121 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5122 legacyApp = true; 5123 } else if ("com.google.android.apps.enterprise.dmagent".equals(ai.packageName) 5124 && ai.versionCode == 697) { 5125 // TODO: STOPSHIP remove this (revert ag/895987) once a new prebuilt is dropped 5126 legacyApp = true; 5127 } 5128 5129 final int rawStatus = getEncryptionStatus(); 5130 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5131 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5132 } 5133 return rawStatus; 5134 } 5135 5136 /** 5137 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5138 */ 5139 private boolean isEncryptionSupported() { 5140 // Note, this can be implemented as 5141 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5142 // But is provided as a separate internal method if there's a faster way to do a 5143 // simple check for supported-or-not. 5144 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5145 } 5146 5147 /** 5148 * Hook to low-levels: Reporting the current status of encryption. 5149 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5150 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5151 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5152 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5153 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5154 */ 5155 private int getEncryptionStatus() { 5156 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5157 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5158 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5159 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5160 } else if (mInjector.storageManagerIsEncrypted()) { 5161 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5162 } else if (mInjector.storageManagerIsEncryptable()) { 5163 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5164 } else { 5165 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5166 } 5167 } 5168 5169 /** 5170 * Hook to low-levels: If needed, record the new admin setting for encryption. 5171 */ 5172 private void setEncryptionRequested(boolean encrypt) { 5173 } 5174 5175 /** 5176 * Set whether the screen capture is disabled for the user managed by the specified admin. 5177 */ 5178 @Override 5179 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5180 if (!mHasFeature) { 5181 return; 5182 } 5183 Preconditions.checkNotNull(who, "ComponentName is null"); 5184 final int userHandle = UserHandle.getCallingUserId(); 5185 synchronized (this) { 5186 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5187 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5188 if (ap.disableScreenCapture != disabled) { 5189 ap.disableScreenCapture = disabled; 5190 saveSettingsLocked(userHandle); 5191 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5192 } 5193 } 5194 } 5195 5196 /** 5197 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5198 * active admin (if given admin is null). 5199 */ 5200 @Override 5201 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5202 if (!mHasFeature) { 5203 return false; 5204 } 5205 synchronized (this) { 5206 if (who != null) { 5207 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5208 return (admin != null) ? admin.disableScreenCapture : false; 5209 } 5210 5211 DevicePolicyData policy = getUserData(userHandle); 5212 final int N = policy.mAdminList.size(); 5213 for (int i = 0; i < N; i++) { 5214 ActiveAdmin admin = policy.mAdminList.get(i); 5215 if (admin.disableScreenCapture) { 5216 return true; 5217 } 5218 } 5219 return false; 5220 } 5221 } 5222 5223 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5224 final boolean disabled) { 5225 mHandler.post(new Runnable() { 5226 @Override 5227 public void run() { 5228 try { 5229 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5230 } catch (RemoteException e) { 5231 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5232 } 5233 } 5234 }); 5235 } 5236 5237 /** 5238 * Set whether auto time is required by the specified admin (must be device owner). 5239 */ 5240 @Override 5241 public void setAutoTimeRequired(ComponentName who, boolean required) { 5242 if (!mHasFeature) { 5243 return; 5244 } 5245 Preconditions.checkNotNull(who, "ComponentName is null"); 5246 final int userHandle = UserHandle.getCallingUserId(); 5247 synchronized (this) { 5248 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5249 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5250 if (admin.requireAutoTime != required) { 5251 admin.requireAutoTime = required; 5252 saveSettingsLocked(userHandle); 5253 } 5254 } 5255 5256 // Turn AUTO_TIME on in settings if it is required 5257 if (required) { 5258 long ident = mInjector.binderClearCallingIdentity(); 5259 try { 5260 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5261 } finally { 5262 mInjector.binderRestoreCallingIdentity(ident); 5263 } 5264 } 5265 } 5266 5267 /** 5268 * Returns whether or not auto time is required by the device owner. 5269 */ 5270 @Override 5271 public boolean getAutoTimeRequired() { 5272 if (!mHasFeature) { 5273 return false; 5274 } 5275 synchronized (this) { 5276 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5277 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5278 } 5279 } 5280 5281 @Override 5282 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5283 if (!mHasFeature) { 5284 return; 5285 } 5286 Preconditions.checkNotNull(who, "ComponentName is null"); 5287 // Allow setting this policy to true only if there is a split system user. 5288 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5289 throw new UnsupportedOperationException( 5290 "Cannot force ephemeral users on systems without split system user."); 5291 } 5292 boolean removeAllUsers = false; 5293 synchronized (this) { 5294 final ActiveAdmin deviceOwner = 5295 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5296 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5297 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5298 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5299 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5300 removeAllUsers = forceEphemeralUsers; 5301 } 5302 } 5303 if (removeAllUsers) { 5304 long identitity = mInjector.binderClearCallingIdentity(); 5305 try { 5306 mUserManagerInternal.removeAllUsers(); 5307 } finally { 5308 mInjector.binderRestoreCallingIdentity(identitity); 5309 } 5310 } 5311 } 5312 5313 @Override 5314 public boolean getForceEphemeralUsers(ComponentName who) { 5315 if (!mHasFeature) { 5316 return false; 5317 } 5318 Preconditions.checkNotNull(who, "ComponentName is null"); 5319 synchronized (this) { 5320 final ActiveAdmin deviceOwner = 5321 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5322 return deviceOwner.forceEphemeralUsers; 5323 } 5324 } 5325 5326 private boolean isDeviceOwnerManagedSingleUserDevice() { 5327 synchronized (this) { 5328 if (!mOwners.hasDeviceOwner()) { 5329 return false; 5330 } 5331 } 5332 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5333 try { 5334 if (mInjector.userManagerIsSplitSystemUser()) { 5335 // In split system user mode, only allow the case where the device owner is managing 5336 // the only non-system user of the device 5337 return (mUserManager.getUserCount() == 2 5338 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5339 } else { 5340 return mUserManager.getUserCount() == 1; 5341 } 5342 } finally { 5343 mInjector.binderRestoreCallingIdentity(callingIdentity); 5344 } 5345 } 5346 5347 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5348 synchronized (this) { 5349 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5350 } 5351 if (!isDeviceOwnerManagedSingleUserDevice()) { 5352 throw new SecurityException( 5353 "There should only be one user, managed by Device Owner"); 5354 } 5355 } 5356 5357 @Override 5358 public boolean requestBugreport(ComponentName who) { 5359 if (!mHasFeature) { 5360 return false; 5361 } 5362 Preconditions.checkNotNull(who, "ComponentName is null"); 5363 ensureDeviceOwnerManagingSingleUser(who); 5364 5365 if (mRemoteBugreportServiceIsActive.get() 5366 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5367 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5368 return false; 5369 } 5370 5371 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5372 try { 5373 ActivityManagerNative.getDefault().requestBugReport( 5374 ActivityManager.BUGREPORT_OPTION_REMOTE); 5375 5376 mRemoteBugreportServiceIsActive.set(true); 5377 mRemoteBugreportSharingAccepted.set(false); 5378 registerRemoteBugreportReceivers(); 5379 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5380 RemoteBugreportUtils.buildNotification(mContext, 5381 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5382 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5383 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5384 return true; 5385 } catch (RemoteException re) { 5386 // should never happen 5387 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5388 return false; 5389 } finally { 5390 mInjector.binderRestoreCallingIdentity(callingIdentity); 5391 } 5392 } 5393 5394 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5395 Intent intent = new Intent(action); 5396 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5397 if (extras != null) { 5398 intent.putExtras(extras); 5399 } 5400 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5401 } 5402 5403 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5404 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5405 } 5406 5407 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5408 String bugreportHash) { 5409 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5410 } 5411 5412 private void registerRemoteBugreportReceivers() { 5413 try { 5414 IntentFilter filterFinished = new IntentFilter( 5415 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5416 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5417 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5418 } catch (IntentFilter.MalformedMimeTypeException e) { 5419 // should never happen, as setting a constant 5420 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5421 } 5422 IntentFilter filterConsent = new IntentFilter(); 5423 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5424 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5425 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5426 } 5427 5428 private void onBugreportFinished(Intent intent) { 5429 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5430 mRemoteBugreportServiceIsActive.set(false); 5431 Uri bugreportUri = intent.getData(); 5432 String bugreportUriString = null; 5433 if (bugreportUri != null) { 5434 bugreportUriString = bugreportUri.toString(); 5435 } 5436 String bugreportHash = intent.getStringExtra( 5437 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5438 if (mRemoteBugreportSharingAccepted.get()) { 5439 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5440 mInjector.getNotificationManager().cancel(LOG_TAG, 5441 RemoteBugreportUtils.NOTIFICATION_ID); 5442 } else { 5443 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5444 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5445 RemoteBugreportUtils.buildNotification(mContext, 5446 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5447 UserHandle.ALL); 5448 } 5449 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5450 } 5451 5452 private void onBugreportFailed() { 5453 mRemoteBugreportServiceIsActive.set(false); 5454 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5455 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5456 mRemoteBugreportSharingAccepted.set(false); 5457 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5458 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5459 Bundle extras = new Bundle(); 5460 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5461 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5462 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5463 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5464 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5465 } 5466 5467 private void onBugreportSharingAccepted() { 5468 mRemoteBugreportSharingAccepted.set(true); 5469 String bugreportUriString = null; 5470 String bugreportHash = null; 5471 synchronized (this) { 5472 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5473 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5474 } 5475 if (bugreportUriString != null) { 5476 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5477 } else if (mRemoteBugreportServiceIsActive.get()) { 5478 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5479 RemoteBugreportUtils.buildNotification(mContext, 5480 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5481 UserHandle.ALL); 5482 } 5483 } 5484 5485 private void onBugreportSharingDeclined() { 5486 if (mRemoteBugreportServiceIsActive.get()) { 5487 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5488 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5489 mRemoteBugreportServiceIsActive.set(false); 5490 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5491 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5492 } 5493 mRemoteBugreportSharingAccepted.set(false); 5494 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5495 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5496 } 5497 5498 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5499 String bugreportHash) { 5500 ParcelFileDescriptor pfd = null; 5501 try { 5502 if (bugreportUriString == null) { 5503 throw new FileNotFoundException(); 5504 } 5505 Uri bugreportUri = Uri.parse(bugreportUriString); 5506 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5507 5508 synchronized (this) { 5509 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5510 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5511 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5512 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5513 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5514 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5515 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5516 } 5517 } catch (FileNotFoundException e) { 5518 Bundle extras = new Bundle(); 5519 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5520 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5521 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5522 } finally { 5523 try { 5524 if (pfd != null) { 5525 pfd.close(); 5526 } 5527 } catch (IOException ex) { 5528 // Ignore 5529 } 5530 mRemoteBugreportSharingAccepted.set(false); 5531 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5532 } 5533 } 5534 5535 /** 5536 * Disables all device cameras according to the specified admin. 5537 */ 5538 @Override 5539 public void setCameraDisabled(ComponentName who, boolean disabled) { 5540 if (!mHasFeature) { 5541 return; 5542 } 5543 Preconditions.checkNotNull(who, "ComponentName is null"); 5544 final int userHandle = mInjector.userHandleGetCallingUserId(); 5545 synchronized (this) { 5546 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5547 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5548 if (ap.disableCamera != disabled) { 5549 ap.disableCamera = disabled; 5550 saveSettingsLocked(userHandle); 5551 } 5552 } 5553 // Tell the user manager that the restrictions have changed. 5554 pushUserRestrictions(userHandle); 5555 } 5556 5557 /** 5558 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5559 * active admins. 5560 */ 5561 @Override 5562 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5563 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5564 } 5565 5566 private boolean getCameraDisabled(ComponentName who, int userHandle, 5567 boolean mergeDeviceOwnerRestriction) { 5568 if (!mHasFeature) { 5569 return false; 5570 } 5571 synchronized (this) { 5572 if (who != null) { 5573 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5574 return (admin != null) ? admin.disableCamera : false; 5575 } 5576 // First, see if DO has set it. If so, it's device-wide. 5577 if (mergeDeviceOwnerRestriction) { 5578 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5579 if (deviceOwner != null && deviceOwner.disableCamera) { 5580 return true; 5581 } 5582 } 5583 5584 // Then check each device admin on the user. 5585 DevicePolicyData policy = getUserData(userHandle); 5586 // Determine whether or not the device camera is disabled for any active admins. 5587 final int N = policy.mAdminList.size(); 5588 for (int i = 0; i < N; i++) { 5589 ActiveAdmin admin = policy.mAdminList.get(i); 5590 if (admin.disableCamera) { 5591 return true; 5592 } 5593 } 5594 return false; 5595 } 5596 } 5597 5598 @Override 5599 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5600 if (!mHasFeature) { 5601 return; 5602 } 5603 Preconditions.checkNotNull(who, "ComponentName is null"); 5604 final int userHandle = mInjector.userHandleGetCallingUserId(); 5605 if (isManagedProfile(userHandle)) { 5606 if (parent) { 5607 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5608 } else { 5609 which = which & PROFILE_KEYGUARD_FEATURES; 5610 } 5611 } 5612 synchronized (this) { 5613 ActiveAdmin ap = getActiveAdminForCallerLocked( 5614 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5615 if (ap.disabledKeyguardFeatures != which) { 5616 ap.disabledKeyguardFeatures = which; 5617 saveSettingsLocked(userHandle); 5618 } 5619 } 5620 } 5621 5622 /** 5623 * Gets the disabled state for features in keyguard for the given admin, 5624 * or the aggregate of all active admins if who is null. 5625 */ 5626 @Override 5627 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5628 if (!mHasFeature) { 5629 return 0; 5630 } 5631 enforceFullCrossUsersPermission(userHandle); 5632 final long ident = mInjector.binderClearCallingIdentity(); 5633 try { 5634 synchronized (this) { 5635 if (who != null) { 5636 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5637 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5638 } 5639 5640 final List<ActiveAdmin> admins; 5641 if (!parent && isManagedProfile(userHandle)) { 5642 // If we are being asked about a managed profile, just return keyguard features 5643 // disabled by admins in the profile. 5644 admins = getUserDataUnchecked(userHandle).mAdminList; 5645 } else { 5646 // Otherwise return those set by admins in the user and its profiles. 5647 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5648 } 5649 5650 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5651 final int N = admins.size(); 5652 for (int i = 0; i < N; i++) { 5653 ActiveAdmin admin = admins.get(i); 5654 int userId = admin.getUserHandle().getIdentifier(); 5655 boolean isRequestedUser = !parent && (userId == userHandle); 5656 if (isRequestedUser || !isManagedProfile(userId)) { 5657 // If we are being asked explicitly about this user 5658 // return all disabled features even if its a managed profile. 5659 which |= admin.disabledKeyguardFeatures; 5660 } else { 5661 // Otherwise a managed profile is only allowed to disable 5662 // some features on the parent user. 5663 which |= (admin.disabledKeyguardFeatures 5664 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5665 } 5666 } 5667 return which; 5668 } 5669 } finally { 5670 mInjector.binderRestoreCallingIdentity(ident); 5671 } 5672 } 5673 5674 @Override 5675 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5676 if (!mHasFeature) { 5677 return; 5678 } 5679 Preconditions.checkNotNull(who, "ComponentName is null"); 5680 Preconditions.checkNotNull(packageList, "packageList is null"); 5681 final int userHandle = UserHandle.getCallingUserId(); 5682 synchronized (this) { 5683 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5684 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5685 admin.keepUninstalledPackages = packageList; 5686 saveSettingsLocked(userHandle); 5687 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5688 } 5689 } 5690 5691 @Override 5692 public List<String> getKeepUninstalledPackages(ComponentName who) { 5693 Preconditions.checkNotNull(who, "ComponentName is null"); 5694 if (!mHasFeature) { 5695 return null; 5696 } 5697 // TODO In split system user mode, allow apps on user 0 to query the list 5698 synchronized (this) { 5699 // Check if this is the device owner who is calling 5700 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5701 return getKeepUninstalledPackagesLocked(); 5702 } 5703 } 5704 5705 private List<String> getKeepUninstalledPackagesLocked() { 5706 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5707 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5708 } 5709 5710 @Override 5711 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5712 if (!mHasFeature) { 5713 return false; 5714 } 5715 if (admin == null 5716 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5717 throw new IllegalArgumentException("Invalid component " + admin 5718 + " for device owner"); 5719 } 5720 synchronized (this) { 5721 enforceCanSetDeviceOwnerLocked(userId); 5722 if (getActiveAdminUncheckedLocked(admin, userId) == null) { 5723 throw new IllegalArgumentException("Not active admin: " + admin); 5724 } 5725 5726 // Shutting down backup manager service permanently. 5727 long ident = mInjector.binderClearCallingIdentity(); 5728 try { 5729 if (mInjector.getIBackupManager() != null) { 5730 mInjector.getIBackupManager() 5731 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5732 } 5733 } catch (RemoteException e) { 5734 throw new IllegalStateException("Failed deactivating backup service.", e); 5735 } finally { 5736 mInjector.binderRestoreCallingIdentity(ident); 5737 } 5738 5739 mOwners.setDeviceOwner(admin, ownerName, userId); 5740 mOwners.writeDeviceOwner(); 5741 updateDeviceOwnerLocked(); 5742 setDeviceOwnerSystemPropertyLocked(); 5743 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5744 5745 ident = mInjector.binderClearCallingIdentity(); 5746 try { 5747 // TODO Send to system too? 5748 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5749 } finally { 5750 mInjector.binderRestoreCallingIdentity(ident); 5751 } 5752 return true; 5753 } 5754 } 5755 5756 public boolean isDeviceOwner(ComponentName who, int userId) { 5757 synchronized (this) { 5758 return mOwners.hasDeviceOwner() 5759 && mOwners.getDeviceOwnerUserId() == userId 5760 && mOwners.getDeviceOwnerComponent().equals(who); 5761 } 5762 } 5763 5764 public boolean isProfileOwner(ComponentName who, int userId) { 5765 final ComponentName profileOwner = getProfileOwner(userId); 5766 return who != null && who.equals(profileOwner); 5767 } 5768 5769 @Override 5770 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5771 if (!mHasFeature) { 5772 return null; 5773 } 5774 if (!callingUserOnly) { 5775 enforceManageUsers(); 5776 } 5777 synchronized (this) { 5778 if (!mOwners.hasDeviceOwner()) { 5779 return null; 5780 } 5781 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5782 mOwners.getDeviceOwnerUserId()) { 5783 return null; 5784 } 5785 return mOwners.getDeviceOwnerComponent(); 5786 } 5787 } 5788 5789 @Override 5790 public int getDeviceOwnerUserId() { 5791 if (!mHasFeature) { 5792 return UserHandle.USER_NULL; 5793 } 5794 enforceManageUsers(); 5795 synchronized (this) { 5796 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5797 } 5798 } 5799 5800 /** 5801 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5802 * MANAGE_USERS. 5803 */ 5804 @Override 5805 public String getDeviceOwnerName() { 5806 if (!mHasFeature) { 5807 return null; 5808 } 5809 enforceManageUsers(); 5810 synchronized (this) { 5811 if (!mOwners.hasDeviceOwner()) { 5812 return null; 5813 } 5814 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5815 // Should setDeviceOwner/ProfileOwner still take a name? 5816 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5817 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5818 } 5819 } 5820 5821 // Returns the active device owner or null if there is no device owner. 5822 @VisibleForTesting 5823 ActiveAdmin getDeviceOwnerAdminLocked() { 5824 ComponentName component = mOwners.getDeviceOwnerComponent(); 5825 if (component == null) { 5826 return null; 5827 } 5828 5829 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5830 final int n = policy.mAdminList.size(); 5831 for (int i = 0; i < n; i++) { 5832 ActiveAdmin admin = policy.mAdminList.get(i); 5833 if (component.equals(admin.info.getComponent())) { 5834 return admin; 5835 } 5836 } 5837 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5838 return null; 5839 } 5840 5841 @Override 5842 public void clearDeviceOwner(String packageName) { 5843 Preconditions.checkNotNull(packageName, "packageName is null"); 5844 final int callingUid = mInjector.binderGetCallingUid(); 5845 try { 5846 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 5847 UserHandle.getUserId(callingUid)); 5848 if (uid != callingUid) { 5849 throw new SecurityException("Invalid packageName"); 5850 } 5851 } catch (NameNotFoundException e) { 5852 throw new SecurityException(e); 5853 } 5854 synchronized (this) { 5855 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 5856 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 5857 if (!mOwners.hasDeviceOwner() 5858 || !deviceOwnerComponent.getPackageName().equals(packageName) 5859 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 5860 throw new SecurityException( 5861 "clearDeviceOwner can only be called by the device owner"); 5862 } 5863 enforceUserUnlocked(deviceOwnerUserId); 5864 5865 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 5866 long ident = mInjector.binderClearCallingIdentity(); 5867 try { 5868 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 5869 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 5870 } finally { 5871 mInjector.binderRestoreCallingIdentity(ident); 5872 } 5873 } 5874 } 5875 5876 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 5877 if (admin != null) { 5878 admin.disableCamera = false; 5879 admin.userRestrictions = null; 5880 admin.forceEphemeralUsers = false; 5881 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 5882 } 5883 clearUserPoliciesLocked(userId); 5884 5885 mOwners.clearDeviceOwner(); 5886 mOwners.writeDeviceOwner(); 5887 updateDeviceOwnerLocked(); 5888 disableSecurityLoggingIfNotCompliant(); 5889 try { 5890 // Reactivate backup service. 5891 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 5892 } catch (RemoteException e) { 5893 throw new IllegalStateException("Failed reactivating backup service.", e); 5894 } 5895 } 5896 5897 @Override 5898 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 5899 if (!mHasFeature) { 5900 return false; 5901 } 5902 if (who == null 5903 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 5904 throw new IllegalArgumentException("Component " + who 5905 + " not installed for userId:" + userHandle); 5906 } 5907 synchronized (this) { 5908 enforceCanSetProfileOwnerLocked(userHandle); 5909 5910 if (getActiveAdminUncheckedLocked(who, userHandle) == null) { 5911 throw new IllegalArgumentException("Not active admin: " + who); 5912 } 5913 5914 mOwners.setProfileOwner(who, ownerName, userHandle); 5915 mOwners.writeProfileOwner(userHandle); 5916 return true; 5917 } 5918 } 5919 5920 @Override 5921 public void clearProfileOwner(ComponentName who) { 5922 if (!mHasFeature) { 5923 return; 5924 } 5925 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 5926 final int userId = callingUser.getIdentifier(); 5927 enforceNotManagedProfile(userId, "clear profile owner"); 5928 enforceUserUnlocked(userId); 5929 // Check if this is the profile owner who is calling 5930 final ActiveAdmin admin = 5931 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5932 synchronized (this) { 5933 final long ident = mInjector.binderClearCallingIdentity(); 5934 try { 5935 clearProfileOwnerLocked(admin, userId); 5936 removeActiveAdminLocked(who, userId); 5937 } finally { 5938 mInjector.binderRestoreCallingIdentity(ident); 5939 } 5940 } 5941 } 5942 5943 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 5944 if (admin != null) { 5945 admin.disableCamera = false; 5946 admin.userRestrictions = null; 5947 } 5948 clearUserPoliciesLocked(userId); 5949 mOwners.removeProfileOwner(userId); 5950 mOwners.writeProfileOwner(userId); 5951 } 5952 5953 @Override 5954 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 5955 Preconditions.checkNotNull(who, "ComponentName is null"); 5956 if (!mHasFeature) { 5957 return; 5958 } 5959 5960 synchronized (this) { 5961 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5962 long token = mInjector.binderClearCallingIdentity(); 5963 try { 5964 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 5965 } finally { 5966 mInjector.binderRestoreCallingIdentity(token); 5967 } 5968 } 5969 } 5970 5971 @Override 5972 public CharSequence getDeviceOwnerLockScreenInfo() { 5973 return mLockPatternUtils.getDeviceOwnerInfo(); 5974 } 5975 5976 private void clearUserPoliciesLocked(int userId) { 5977 // Reset some of the user-specific policies 5978 DevicePolicyData policy = getUserData(userId); 5979 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 5980 policy.mDelegatedCertInstallerPackage = null; 5981 policy.mApplicationRestrictionsManagingPackage = null; 5982 policy.mStatusBarDisabled = false; 5983 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 5984 saveSettingsLocked(userId); 5985 5986 try { 5987 mIPackageManager.updatePermissionFlagsForAllApps( 5988 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 5989 0 /* flagValues */, userId); 5990 pushUserRestrictions(userId); 5991 } catch (RemoteException re) { 5992 // Shouldn't happen. 5993 } 5994 } 5995 5996 @Override 5997 public boolean hasUserSetupCompleted() { 5998 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 5999 } 6000 6001 private boolean hasUserSetupCompleted(int userHandle) { 6002 if (!mHasFeature) { 6003 return true; 6004 } 6005 return getUserData(userHandle).mUserSetupComplete; 6006 } 6007 6008 @Override 6009 public int getUserProvisioningState() { 6010 if (!mHasFeature) { 6011 return DevicePolicyManager.STATE_USER_UNMANAGED; 6012 } 6013 int userHandle = mInjector.userHandleGetCallingUserId(); 6014 return getUserProvisioningState(userHandle); 6015 } 6016 6017 private int getUserProvisioningState(int userHandle) { 6018 return getUserData(userHandle).mUserProvisioningState; 6019 } 6020 6021 @Override 6022 public void setUserProvisioningState(int newState, int userHandle) { 6023 if (!mHasFeature) { 6024 return; 6025 } 6026 6027 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6028 && getManagedUserId(userHandle) == -1) { 6029 // No managed device, user or profile, so setting provisioning state makes no sense. 6030 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6031 + "device or profile owner is set."); 6032 } 6033 6034 synchronized (this) { 6035 boolean transitionCheckNeeded = true; 6036 6037 // Calling identity/permission checks. 6038 final int callingUid = mInjector.binderGetCallingUid(); 6039 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6040 // ADB shell can only move directly from un-managed to finalized as part of directly 6041 // setting profile-owner or device-owner. 6042 if (getUserProvisioningState(userHandle) != 6043 DevicePolicyManager.STATE_USER_UNMANAGED 6044 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6045 throw new IllegalStateException("Not allowed to change provisioning state " 6046 + "unless current provisioning state is unmanaged, and new state is " 6047 + "finalized."); 6048 } 6049 transitionCheckNeeded = false; 6050 } else { 6051 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6052 enforceCanManageProfileAndDeviceOwners(); 6053 } 6054 6055 final DevicePolicyData policyData = getUserData(userHandle); 6056 if (transitionCheckNeeded) { 6057 // Optional state transition check for non-ADB case. 6058 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6059 } 6060 policyData.mUserProvisioningState = newState; 6061 saveSettingsLocked(userHandle); 6062 } 6063 } 6064 6065 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6066 // Valid transitions for normal use-cases. 6067 switch (currentState) { 6068 case DevicePolicyManager.STATE_USER_UNMANAGED: 6069 // Can move to any state from unmanaged (except itself as an edge case).. 6070 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6071 return; 6072 } 6073 break; 6074 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6075 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6076 // Can only move to finalized from these states. 6077 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6078 return; 6079 } 6080 break; 6081 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6082 // Current user has a managed-profile, but current user is not managed, so 6083 // rather than moving to finalized state, go back to unmanaged once 6084 // profile provisioning is complete. 6085 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6086 return; 6087 } 6088 break; 6089 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6090 // Cannot transition out of finalized. 6091 break; 6092 } 6093 6094 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6095 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6096 + "from state [" + currentState + "]"); 6097 } 6098 6099 @Override 6100 public void setProfileEnabled(ComponentName who) { 6101 if (!mHasFeature) { 6102 return; 6103 } 6104 Preconditions.checkNotNull(who, "ComponentName is null"); 6105 synchronized (this) { 6106 // Check if this is the profile owner who is calling 6107 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6108 final int userId = UserHandle.getCallingUserId(); 6109 enforceManagedProfile(userId, "enable the profile"); 6110 6111 long id = mInjector.binderClearCallingIdentity(); 6112 try { 6113 mUserManager.setUserEnabled(userId); 6114 UserInfo parent = mUserManager.getProfileParent(userId); 6115 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6116 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6117 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6118 Intent.FLAG_RECEIVER_FOREGROUND); 6119 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6120 } finally { 6121 mInjector.binderRestoreCallingIdentity(id); 6122 } 6123 } 6124 } 6125 6126 @Override 6127 public void setProfileName(ComponentName who, String profileName) { 6128 Preconditions.checkNotNull(who, "ComponentName is null"); 6129 int userId = UserHandle.getCallingUserId(); 6130 // Check if this is the profile owner (includes device owner). 6131 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6132 6133 long id = mInjector.binderClearCallingIdentity(); 6134 try { 6135 mUserManager.setUserName(userId, profileName); 6136 } finally { 6137 mInjector.binderRestoreCallingIdentity(id); 6138 } 6139 } 6140 6141 @Override 6142 public ComponentName getProfileOwner(int userHandle) { 6143 if (!mHasFeature) { 6144 return null; 6145 } 6146 6147 synchronized (this) { 6148 return mOwners.getProfileOwnerComponent(userHandle); 6149 } 6150 } 6151 6152 // Returns the active profile owner for this user or null if the current user has no 6153 // profile owner. 6154 @VisibleForTesting 6155 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6156 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6157 if (profileOwner == null) { 6158 return null; 6159 } 6160 DevicePolicyData policy = getUserData(userHandle); 6161 final int n = policy.mAdminList.size(); 6162 for (int i = 0; i < n; i++) { 6163 ActiveAdmin admin = policy.mAdminList.get(i); 6164 if (profileOwner.equals(admin.info.getComponent())) { 6165 return admin; 6166 } 6167 } 6168 return null; 6169 } 6170 6171 @Override 6172 public String getProfileOwnerName(int userHandle) { 6173 if (!mHasFeature) { 6174 return null; 6175 } 6176 enforceManageUsers(); 6177 ComponentName profileOwner = getProfileOwner(userHandle); 6178 if (profileOwner == null) { 6179 return null; 6180 } 6181 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6182 } 6183 6184 /** 6185 * Canonical name for a given package. 6186 */ 6187 private String getApplicationLabel(String packageName, int userHandle) { 6188 long token = mInjector.binderClearCallingIdentity(); 6189 try { 6190 final Context userContext; 6191 try { 6192 UserHandle handle = new UserHandle(userHandle); 6193 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6194 } catch (PackageManager.NameNotFoundException nnfe) { 6195 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6196 return null; 6197 } 6198 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6199 CharSequence result = null; 6200 if (appInfo != null) { 6201 PackageManager pm = userContext.getPackageManager(); 6202 result = pm.getApplicationLabel(appInfo); 6203 } 6204 return result != null ? result.toString() : null; 6205 } finally { 6206 mInjector.binderRestoreCallingIdentity(token); 6207 } 6208 } 6209 6210 /** 6211 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6212 * permission. 6213 * The profile owner can only be set before the user setup phase has completed, 6214 * except for: 6215 * - SYSTEM_UID 6216 * - adb if there are not accounts. 6217 */ 6218 private void enforceCanSetProfileOwnerLocked(int userHandle) { 6219 UserInfo info = getUserInfo(userHandle); 6220 if (info == null) { 6221 // User doesn't exist. 6222 throw new IllegalArgumentException( 6223 "Attempted to set profile owner for invalid userId: " + userHandle); 6224 } 6225 if (info.isGuest()) { 6226 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6227 } 6228 if (mOwners.hasProfileOwner(userHandle)) { 6229 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6230 + "is already set."); 6231 } 6232 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6233 throw new IllegalStateException("Trying to set the profile owner, but the user " 6234 + "already has a device owner."); 6235 } 6236 int callingUid = mInjector.binderGetCallingUid(); 6237 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6238 if (hasUserSetupCompleted(userHandle) && 6239 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 6240 throw new IllegalStateException("Not allowed to set the profile owner because " 6241 + "there are already some accounts on the profile"); 6242 } 6243 return; 6244 } 6245 enforceCanManageProfileAndDeviceOwners(); 6246 if (hasUserSetupCompleted(userHandle) && !isCallerWithSystemUid()) { 6247 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6248 + "already set-up"); 6249 } 6250 } 6251 6252 /** 6253 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6254 * permission. 6255 */ 6256 private void enforceCanSetDeviceOwnerLocked(int userId) { 6257 int callingUid = mInjector.binderGetCallingUid(); 6258 boolean isAdb = callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 6259 if (!isAdb) { 6260 enforceCanManageProfileAndDeviceOwners(); 6261 } 6262 6263 final int code = checkSetDeviceOwnerPreCondition(userId, isAdb); 6264 switch (code) { 6265 case CODE_OK: 6266 return; 6267 case CODE_HAS_DEVICE_OWNER: 6268 throw new IllegalStateException( 6269 "Trying to set the device owner, but device owner is already set."); 6270 case CODE_USER_HAS_PROFILE_OWNER: 6271 throw new IllegalStateException("Trying to set the device owner, but the user " 6272 + "already has a profile owner."); 6273 case CODE_USER_NOT_RUNNING: 6274 throw new IllegalStateException("User not running: " + userId); 6275 case CODE_NOT_SYSTEM_USER: 6276 throw new IllegalStateException("User is not system user"); 6277 case CODE_USER_SETUP_COMPLETED: 6278 throw new IllegalStateException( 6279 "Cannot set the device owner if the device is already set-up"); 6280 case CODE_NONSYSTEM_USER_EXISTS: 6281 throw new IllegalStateException("Not allowed to set the device owner because there " 6282 + "are already several users on the device"); 6283 case CODE_ACCOUNTS_NOT_EMPTY: 6284 throw new IllegalStateException("Not allowed to set the device owner because there " 6285 + "are already some accounts on the device"); 6286 default: 6287 throw new IllegalStateException("Unknown @DeviceOwnerPreConditionCode " + code); 6288 } 6289 } 6290 6291 private void enforceUserUnlocked(int userId) { 6292 // Since we're doing this operation on behalf of an app, we only 6293 // want to use the actual "unlocked" state. 6294 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6295 "User must be running and unlocked"); 6296 } 6297 6298 private void enforceUserUnlocked(int userId, boolean parent) { 6299 if (parent) { 6300 enforceUserUnlocked(getProfileParentId(userId)); 6301 } else { 6302 enforceUserUnlocked(userId); 6303 } 6304 } 6305 6306 private void enforceManageUsers() { 6307 final int callingUid = mInjector.binderGetCallingUid(); 6308 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6309 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6310 } 6311 } 6312 6313 private void enforceFullCrossUsersPermission(int userHandle) { 6314 enforceSystemUserOrPermission(userHandle, 6315 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6316 } 6317 6318 private void enforceCrossUsersPermission(int userHandle) { 6319 enforceSystemUserOrPermission(userHandle, 6320 android.Manifest.permission.INTERACT_ACROSS_USERS); 6321 } 6322 6323 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6324 if (userHandle < 0) { 6325 throw new IllegalArgumentException("Invalid userId " + userHandle); 6326 } 6327 final int callingUid = mInjector.binderGetCallingUid(); 6328 if (userHandle == UserHandle.getUserId(callingUid)) { 6329 return; 6330 } 6331 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6332 mContext.enforceCallingOrSelfPermission(permission, 6333 "Must be system or have " + permission + " permission"); 6334 } 6335 } 6336 6337 private void enforceManagedProfile(int userHandle, String message) { 6338 if(!isManagedProfile(userHandle)) { 6339 throw new SecurityException("You can not " + message + " outside a managed profile."); 6340 } 6341 } 6342 6343 private void enforceNotManagedProfile(int userHandle, String message) { 6344 if(isManagedProfile(userHandle)) { 6345 throw new SecurityException("You can not " + message + " for a managed profile."); 6346 } 6347 } 6348 6349 private void ensureCallerPackage(@Nullable String packageName) { 6350 if (packageName == null) { 6351 Preconditions.checkState(isCallerWithSystemUid(), 6352 "Only caller can omit package name"); 6353 } else { 6354 final int callingUid = mInjector.binderGetCallingUid(); 6355 final int userId = mInjector.userHandleGetCallingUserId(); 6356 try { 6357 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6358 packageName, 0, userId); 6359 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6360 } catch (RemoteException e) { 6361 // Shouldn't happen 6362 } 6363 } 6364 } 6365 6366 private boolean isCallerWithSystemUid() { 6367 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6368 } 6369 6370 private int getProfileParentId(int userHandle) { 6371 final long ident = mInjector.binderClearCallingIdentity(); 6372 try { 6373 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6374 return parentUser != null ? parentUser.id : userHandle; 6375 } finally { 6376 mInjector.binderRestoreCallingIdentity(ident); 6377 } 6378 } 6379 6380 private int getCredentialOwner(int userHandle, boolean parent) { 6381 final long ident = mInjector.binderClearCallingIdentity(); 6382 try { 6383 if (parent) { 6384 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6385 if (parentProfile != null) { 6386 userHandle = parentProfile.id; 6387 } 6388 } 6389 return mUserManager.getCredentialOwnerProfile(userHandle); 6390 } finally { 6391 mInjector.binderRestoreCallingIdentity(ident); 6392 } 6393 } 6394 6395 private boolean isManagedProfile(int userHandle) { 6396 return getUserInfo(userHandle).isManagedProfile(); 6397 } 6398 6399 private void enableIfNecessary(String packageName, int userId) { 6400 try { 6401 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6402 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6403 userId); 6404 if (ai.enabledSetting 6405 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6406 mIPackageManager.setApplicationEnabledSetting(packageName, 6407 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6408 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6409 } 6410 } catch (RemoteException e) { 6411 } 6412 } 6413 6414 @Override 6415 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6416 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6417 != PackageManager.PERMISSION_GRANTED) { 6418 6419 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6420 + mInjector.binderGetCallingPid() 6421 + ", uid=" + mInjector.binderGetCallingUid()); 6422 return; 6423 } 6424 6425 synchronized (this) { 6426 pw.println("Current Device Policy Manager state:"); 6427 mOwners.dump(" ", pw); 6428 int userCount = mUserData.size(); 6429 for (int u = 0; u < userCount; u++) { 6430 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6431 pw.println(); 6432 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6433 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6434 final int N = policy.mAdminList.size(); 6435 for (int i=0; i<N; i++) { 6436 ActiveAdmin ap = policy.mAdminList.get(i); 6437 if (ap != null) { 6438 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6439 pw.println(":"); 6440 ap.dump(" ", pw); 6441 } 6442 } 6443 if (!policy.mRemovingAdmins.isEmpty()) { 6444 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6445 + policy.mRemovingAdmins); 6446 } 6447 6448 pw.println(" "); 6449 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6450 } 6451 pw.println(); 6452 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6453 } 6454 } 6455 6456 private String getEncryptionStatusName(int encryptionStatus) { 6457 switch (encryptionStatus) { 6458 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6459 return "inactive"; 6460 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6461 return "block default key"; 6462 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6463 return "block"; 6464 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6465 return "per-user"; 6466 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6467 return "unsupported"; 6468 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6469 return "activating"; 6470 default: 6471 return "unknown"; 6472 } 6473 } 6474 6475 @Override 6476 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6477 ComponentName activity) { 6478 Preconditions.checkNotNull(who, "ComponentName is null"); 6479 final int userHandle = UserHandle.getCallingUserId(); 6480 synchronized (this) { 6481 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6482 6483 long id = mInjector.binderClearCallingIdentity(); 6484 try { 6485 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6486 } catch (RemoteException re) { 6487 // Shouldn't happen 6488 } finally { 6489 mInjector.binderRestoreCallingIdentity(id); 6490 } 6491 } 6492 } 6493 6494 @Override 6495 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6496 Preconditions.checkNotNull(who, "ComponentName is null"); 6497 final int userHandle = UserHandle.getCallingUserId(); 6498 synchronized (this) { 6499 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6500 6501 long id = mInjector.binderClearCallingIdentity(); 6502 try { 6503 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6504 } catch (RemoteException re) { 6505 // Shouldn't happen 6506 } finally { 6507 mInjector.binderRestoreCallingIdentity(id); 6508 } 6509 } 6510 } 6511 6512 @Override 6513 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6514 String packageName) { 6515 Preconditions.checkNotNull(admin, "ComponentName is null"); 6516 6517 final int userHandle = mInjector.userHandleGetCallingUserId(); 6518 synchronized (this) { 6519 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6520 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6521 return false; 6522 } 6523 DevicePolicyData policy = getUserData(userHandle); 6524 policy.mApplicationRestrictionsManagingPackage = packageName; 6525 saveSettingsLocked(userHandle); 6526 return true; 6527 } 6528 } 6529 6530 @Override 6531 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6532 Preconditions.checkNotNull(admin, "ComponentName is null"); 6533 6534 final int userHandle = mInjector.userHandleGetCallingUserId(); 6535 synchronized (this) { 6536 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6537 DevicePolicyData policy = getUserData(userHandle); 6538 return policy.mApplicationRestrictionsManagingPackage; 6539 } 6540 } 6541 6542 @Override 6543 public boolean isCallerApplicationRestrictionsManagingPackage() { 6544 final int callingUid = mInjector.binderGetCallingUid(); 6545 final int userHandle = UserHandle.getUserId(callingUid); 6546 synchronized (this) { 6547 final DevicePolicyData policy = getUserData(userHandle); 6548 if (policy.mApplicationRestrictionsManagingPackage == null) { 6549 return false; 6550 } 6551 6552 try { 6553 int uid = mContext.getPackageManager().getPackageUidAsUser( 6554 policy.mApplicationRestrictionsManagingPackage, userHandle); 6555 return uid == callingUid; 6556 } catch (NameNotFoundException e) { 6557 return false; 6558 } 6559 } 6560 } 6561 6562 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6563 if (who != null) { 6564 synchronized (this) { 6565 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6566 } 6567 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6568 throw new SecurityException( 6569 "No admin component given, and caller cannot manage application restrictions " 6570 + "for other apps."); 6571 } 6572 } 6573 6574 @Override 6575 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6576 enforceCanManageApplicationRestrictions(who); 6577 6578 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6579 final long id = mInjector.binderClearCallingIdentity(); 6580 try { 6581 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6582 } finally { 6583 mInjector.binderRestoreCallingIdentity(id); 6584 } 6585 } 6586 6587 @Override 6588 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6589 PersistableBundle args, boolean parent) { 6590 if (!mHasFeature) { 6591 return; 6592 } 6593 Preconditions.checkNotNull(admin, "admin is null"); 6594 Preconditions.checkNotNull(agent, "agent is null"); 6595 final int userHandle = UserHandle.getCallingUserId(); 6596 synchronized (this) { 6597 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6598 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6599 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6600 saveSettingsLocked(userHandle); 6601 } 6602 } 6603 6604 @Override 6605 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6606 ComponentName agent, int userHandle, boolean parent) { 6607 if (!mHasFeature) { 6608 return null; 6609 } 6610 Preconditions.checkNotNull(agent, "agent null"); 6611 enforceFullCrossUsersPermission(userHandle); 6612 6613 synchronized (this) { 6614 final String componentName = agent.flattenToString(); 6615 if (admin != null) { 6616 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 6617 if (ap == null) return null; 6618 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6619 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6620 List<PersistableBundle> result = new ArrayList<>(); 6621 result.add(trustAgentInfo.options); 6622 return result; 6623 } 6624 6625 // Return strictest policy for this user and profiles that are visible from this user. 6626 List<PersistableBundle> result = null; 6627 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6628 // of the options. If any admin doesn't have options, discard options for the rest 6629 // and return null. 6630 List<ActiveAdmin> admins = 6631 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6632 boolean allAdminsHaveOptions = true; 6633 final int N = admins.size(); 6634 for (int i = 0; i < N; i++) { 6635 final ActiveAdmin active = admins.get(i); 6636 6637 final boolean disablesTrust = (active.disabledKeyguardFeatures 6638 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6639 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6640 if (info != null && info.options != null && !info.options.isEmpty()) { 6641 if (disablesTrust) { 6642 if (result == null) { 6643 result = new ArrayList<>(); 6644 } 6645 result.add(info.options); 6646 } else { 6647 Log.w(LOG_TAG, "Ignoring admin " + active.info 6648 + " because it has trust options but doesn't declare " 6649 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6650 } 6651 } else if (disablesTrust) { 6652 allAdminsHaveOptions = false; 6653 break; 6654 } 6655 } 6656 return allAdminsHaveOptions ? result : null; 6657 } 6658 } 6659 6660 @Override 6661 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 6662 Preconditions.checkNotNull(who, "ComponentName is null"); 6663 synchronized (this) { 6664 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6665 6666 int userHandle = UserHandle.getCallingUserId(); 6667 DevicePolicyData userData = getUserData(userHandle); 6668 userData.mRestrictionsProvider = permissionProvider; 6669 saveSettingsLocked(userHandle); 6670 } 6671 } 6672 6673 @Override 6674 public ComponentName getRestrictionsProvider(int userHandle) { 6675 synchronized (this) { 6676 if (!isCallerWithSystemUid()) { 6677 throw new SecurityException("Only the system can query the permission provider"); 6678 } 6679 DevicePolicyData userData = getUserData(userHandle); 6680 return userData != null ? userData.mRestrictionsProvider : null; 6681 } 6682 } 6683 6684 @Override 6685 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 6686 Preconditions.checkNotNull(who, "ComponentName is null"); 6687 int callingUserId = UserHandle.getCallingUserId(); 6688 synchronized (this) { 6689 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6690 6691 long id = mInjector.binderClearCallingIdentity(); 6692 try { 6693 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6694 if (parent == null) { 6695 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 6696 + "parent"); 6697 return; 6698 } 6699 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 6700 mIPackageManager.addCrossProfileIntentFilter( 6701 filter, who.getPackageName(), callingUserId, parent.id, 0); 6702 } 6703 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 6704 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 6705 parent.id, callingUserId, 0); 6706 } 6707 } catch (RemoteException re) { 6708 // Shouldn't happen 6709 } finally { 6710 mInjector.binderRestoreCallingIdentity(id); 6711 } 6712 } 6713 } 6714 6715 @Override 6716 public void clearCrossProfileIntentFilters(ComponentName who) { 6717 Preconditions.checkNotNull(who, "ComponentName is null"); 6718 int callingUserId = UserHandle.getCallingUserId(); 6719 synchronized (this) { 6720 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6721 long id = mInjector.binderClearCallingIdentity(); 6722 try { 6723 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6724 if (parent == null) { 6725 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 6726 + "parent"); 6727 return; 6728 } 6729 // Removing those that go from the managed profile to the parent. 6730 mIPackageManager.clearCrossProfileIntentFilters( 6731 callingUserId, who.getPackageName()); 6732 // And those that go from the parent to the managed profile. 6733 // If we want to support multiple managed profiles, we will have to only remove 6734 // those that have callingUserId as their target. 6735 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 6736 } catch (RemoteException re) { 6737 // Shouldn't happen 6738 } finally { 6739 mInjector.binderRestoreCallingIdentity(id); 6740 } 6741 } 6742 } 6743 6744 /** 6745 * @return true if all packages in enabledPackages are either in the list 6746 * permittedList or are a system app. 6747 */ 6748 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 6749 List<String> permittedList, int userIdToCheck) { 6750 long id = mInjector.binderClearCallingIdentity(); 6751 try { 6752 // If we have an enabled packages list for a managed profile the packages 6753 // we should check are installed for the parent user. 6754 UserInfo user = getUserInfo(userIdToCheck); 6755 if (user.isManagedProfile()) { 6756 userIdToCheck = user.profileGroupId; 6757 } 6758 6759 for (String enabledPackage : enabledPackages) { 6760 boolean systemService = false; 6761 try { 6762 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 6763 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 6764 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6765 } catch (RemoteException e) { 6766 Log.i(LOG_TAG, "Can't talk to package managed", e); 6767 } 6768 if (!systemService && !permittedList.contains(enabledPackage)) { 6769 return false; 6770 } 6771 } 6772 } finally { 6773 mInjector.binderRestoreCallingIdentity(id); 6774 } 6775 return true; 6776 } 6777 6778 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 6779 // Not using AccessibilityManager.getInstance because that guesses 6780 // at the user you require based on callingUid and caches for a given 6781 // process. 6782 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 6783 IAccessibilityManager service = iBinder == null 6784 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 6785 return new AccessibilityManager(mContext, service, userId); 6786 } 6787 6788 @Override 6789 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 6790 if (!mHasFeature) { 6791 return false; 6792 } 6793 Preconditions.checkNotNull(who, "ComponentName is null"); 6794 6795 if (packageList != null) { 6796 int userId = UserHandle.getCallingUserId(); 6797 List<AccessibilityServiceInfo> enabledServices = null; 6798 long id = mInjector.binderClearCallingIdentity(); 6799 try { 6800 UserInfo user = getUserInfo(userId); 6801 if (user.isManagedProfile()) { 6802 userId = user.profileGroupId; 6803 } 6804 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 6805 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 6806 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 6807 } finally { 6808 mInjector.binderRestoreCallingIdentity(id); 6809 } 6810 6811 if (enabledServices != null) { 6812 List<String> enabledPackages = new ArrayList<String>(); 6813 for (AccessibilityServiceInfo service : enabledServices) { 6814 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 6815 } 6816 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6817 userId)) { 6818 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 6819 + "because it contains already enabled accesibility services."); 6820 return false; 6821 } 6822 } 6823 } 6824 6825 synchronized (this) { 6826 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6827 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6828 admin.permittedAccessiblityServices = packageList; 6829 saveSettingsLocked(UserHandle.getCallingUserId()); 6830 } 6831 return true; 6832 } 6833 6834 @Override 6835 public List getPermittedAccessibilityServices(ComponentName who) { 6836 if (!mHasFeature) { 6837 return null; 6838 } 6839 Preconditions.checkNotNull(who, "ComponentName is null"); 6840 6841 synchronized (this) { 6842 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6843 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6844 return admin.permittedAccessiblityServices; 6845 } 6846 } 6847 6848 @Override 6849 public List getPermittedAccessibilityServicesForUser(int userId) { 6850 if (!mHasFeature) { 6851 return null; 6852 } 6853 synchronized (this) { 6854 List<String> result = null; 6855 // If we have multiple profiles we return the intersection of the 6856 // permitted lists. This can happen in cases where we have a device 6857 // and profile owner. 6858 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 6859 for (int profileId : profileIds) { 6860 // Just loop though all admins, only device or profiles 6861 // owners can have permitted lists set. 6862 DevicePolicyData policy = getUserDataUnchecked(profileId); 6863 final int N = policy.mAdminList.size(); 6864 for (int j = 0; j < N; j++) { 6865 ActiveAdmin admin = policy.mAdminList.get(j); 6866 List<String> fromAdmin = admin.permittedAccessiblityServices; 6867 if (fromAdmin != null) { 6868 if (result == null) { 6869 result = new ArrayList<>(fromAdmin); 6870 } else { 6871 result.retainAll(fromAdmin); 6872 } 6873 } 6874 } 6875 } 6876 6877 // If we have a permitted list add all system accessibility services. 6878 if (result != null) { 6879 long id = mInjector.binderClearCallingIdentity(); 6880 try { 6881 UserInfo user = getUserInfo(userId); 6882 if (user.isManagedProfile()) { 6883 userId = user.profileGroupId; 6884 } 6885 AccessibilityManager accessibilityManager = 6886 getAccessibilityManagerForUser(userId); 6887 List<AccessibilityServiceInfo> installedServices = 6888 accessibilityManager.getInstalledAccessibilityServiceList(); 6889 6890 if (installedServices != null) { 6891 for (AccessibilityServiceInfo service : installedServices) { 6892 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 6893 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6894 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6895 result.add(serviceInfo.packageName); 6896 } 6897 } 6898 } 6899 } finally { 6900 mInjector.binderRestoreCallingIdentity(id); 6901 } 6902 } 6903 6904 return result; 6905 } 6906 } 6907 6908 @Override 6909 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 6910 int userHandle) { 6911 if (!mHasFeature) { 6912 return true; 6913 } 6914 Preconditions.checkNotNull(who, "ComponentName is null"); 6915 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 6916 if (!isCallerWithSystemUid()){ 6917 throw new SecurityException( 6918 "Only the system can query if an accessibility service is disabled by admin"); 6919 } 6920 synchronized (this) { 6921 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6922 if (admin == null) { 6923 return false; 6924 } 6925 if (admin.permittedAccessiblityServices == null) { 6926 return true; 6927 } 6928 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 6929 admin.permittedAccessiblityServices, userHandle); 6930 } 6931 } 6932 6933 private boolean checkCallerIsCurrentUserOrProfile() { 6934 int callingUserId = UserHandle.getCallingUserId(); 6935 long token = mInjector.binderClearCallingIdentity(); 6936 try { 6937 UserInfo currentUser; 6938 UserInfo callingUser = getUserInfo(callingUserId); 6939 try { 6940 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6941 } catch (RemoteException e) { 6942 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 6943 return false; 6944 } 6945 6946 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 6947 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 6948 + "of a user that isn't the foreground user."); 6949 return false; 6950 } 6951 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 6952 Slog.e(LOG_TAG, "Cannot set permitted input methods " 6953 + "of a user that isn't the foreground user."); 6954 return false; 6955 } 6956 } finally { 6957 mInjector.binderRestoreCallingIdentity(token); 6958 } 6959 return true; 6960 } 6961 6962 @Override 6963 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 6964 if (!mHasFeature) { 6965 return false; 6966 } 6967 Preconditions.checkNotNull(who, "ComponentName is null"); 6968 6969 // TODO When InputMethodManager supports per user calls remove 6970 // this restriction. 6971 if (!checkCallerIsCurrentUserOrProfile()) { 6972 return false; 6973 } 6974 6975 if (packageList != null) { 6976 // InputMethodManager fetches input methods for current user. 6977 // So this can only be set when calling user is the current user 6978 // or parent is current user in case of managed profiles. 6979 InputMethodManager inputMethodManager = 6980 mContext.getSystemService(InputMethodManager.class); 6981 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 6982 6983 if (enabledImes != null) { 6984 List<String> enabledPackages = new ArrayList<String>(); 6985 for (InputMethodInfo ime : enabledImes) { 6986 enabledPackages.add(ime.getPackageName()); 6987 } 6988 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6989 mInjector.binderGetCallingUserHandle().getIdentifier())) { 6990 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 6991 + "because it contains already enabled input method."); 6992 return false; 6993 } 6994 } 6995 } 6996 6997 synchronized (this) { 6998 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6999 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7000 admin.permittedInputMethods = packageList; 7001 saveSettingsLocked(UserHandle.getCallingUserId()); 7002 } 7003 return true; 7004 } 7005 7006 @Override 7007 public List getPermittedInputMethods(ComponentName who) { 7008 if (!mHasFeature) { 7009 return null; 7010 } 7011 Preconditions.checkNotNull(who, "ComponentName is null"); 7012 7013 synchronized (this) { 7014 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7015 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7016 return admin.permittedInputMethods; 7017 } 7018 } 7019 7020 @Override 7021 public List getPermittedInputMethodsForCurrentUser() { 7022 UserInfo currentUser; 7023 try { 7024 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7025 } catch (RemoteException e) { 7026 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7027 // Activity managed is dead, just allow all IMEs 7028 return null; 7029 } 7030 7031 int userId = currentUser.id; 7032 synchronized (this) { 7033 List<String> result = null; 7034 // If we have multiple profiles we return the intersection of the 7035 // permitted lists. This can happen in cases where we have a device 7036 // and profile owner. 7037 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7038 for (int profileId : profileIds) { 7039 // Just loop though all admins, only device or profiles 7040 // owners can have permitted lists set. 7041 DevicePolicyData policy = getUserDataUnchecked(profileId); 7042 final int N = policy.mAdminList.size(); 7043 for (int j = 0; j < N; j++) { 7044 ActiveAdmin admin = policy.mAdminList.get(j); 7045 List<String> fromAdmin = admin.permittedInputMethods; 7046 if (fromAdmin != null) { 7047 if (result == null) { 7048 result = new ArrayList<String>(fromAdmin); 7049 } else { 7050 result.retainAll(fromAdmin); 7051 } 7052 } 7053 } 7054 } 7055 7056 // If we have a permitted list add all system input methods. 7057 if (result != null) { 7058 InputMethodManager inputMethodManager = 7059 mContext.getSystemService(InputMethodManager.class); 7060 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7061 long id = mInjector.binderClearCallingIdentity(); 7062 try { 7063 if (imes != null) { 7064 for (InputMethodInfo ime : imes) { 7065 ServiceInfo serviceInfo = ime.getServiceInfo(); 7066 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7067 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7068 result.add(serviceInfo.packageName); 7069 } 7070 } 7071 } 7072 } finally { 7073 mInjector.binderRestoreCallingIdentity(id); 7074 } 7075 } 7076 return result; 7077 } 7078 } 7079 7080 @Override 7081 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7082 int userHandle) { 7083 if (!mHasFeature) { 7084 return true; 7085 } 7086 Preconditions.checkNotNull(who, "ComponentName is null"); 7087 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7088 if (!isCallerWithSystemUid()) { 7089 throw new SecurityException( 7090 "Only the system can query if an input method is disabled by admin"); 7091 } 7092 synchronized (this) { 7093 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7094 if (admin == null) { 7095 return false; 7096 } 7097 if (admin.permittedInputMethods == null) { 7098 return true; 7099 } 7100 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7101 admin.permittedInputMethods, userHandle); 7102 } 7103 } 7104 7105 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7106 DevicePolicyData policyData = getUserData(userHandle); 7107 if (policyData.mAdminBroadcastPending) { 7108 // Send the initialization data to profile owner and delete the data 7109 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7110 if (admin != null) { 7111 PersistableBundle initBundle = policyData.mInitBundle; 7112 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7113 initBundle == null ? null : new Bundle(initBundle), null); 7114 } 7115 policyData.mInitBundle = null; 7116 policyData.mAdminBroadcastPending = false; 7117 saveSettingsLocked(userHandle); 7118 } 7119 } 7120 7121 @Override 7122 public UserHandle createAndManageUser(ComponentName admin, String name, 7123 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7124 Preconditions.checkNotNull(admin, "admin is null"); 7125 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7126 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7127 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7128 + admin + " are not in the same package"); 7129 } 7130 // Only allow the system user to use this method 7131 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7132 throw new SecurityException("createAndManageUser was called from non-system user"); 7133 } 7134 if (!mInjector.userManagerIsSplitSystemUser() 7135 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7136 throw new IllegalArgumentException( 7137 "Ephemeral users are only supported on systems with a split system user."); 7138 } 7139 // Create user. 7140 UserHandle user = null; 7141 synchronized (this) { 7142 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7143 7144 final long id = mInjector.binderClearCallingIdentity(); 7145 try { 7146 int userInfoFlags = 0; 7147 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7148 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7149 } 7150 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7151 userInfoFlags); 7152 if (userInfo != null) { 7153 user = userInfo.getUserHandle(); 7154 } 7155 } finally { 7156 mInjector.binderRestoreCallingIdentity(id); 7157 } 7158 } 7159 if (user == null) { 7160 return null; 7161 } 7162 // Set admin. 7163 final long id = mInjector.binderClearCallingIdentity(); 7164 try { 7165 final String adminPkg = admin.getPackageName(); 7166 7167 final int userHandle = user.getIdentifier(); 7168 try { 7169 // Install the profile owner if not present. 7170 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7171 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 7172 } 7173 } catch (RemoteException e) { 7174 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7175 + "removing created user", e); 7176 mUserManager.removeUser(user.getIdentifier()); 7177 return null; 7178 } 7179 7180 setActiveAdmin(profileOwner, true, userHandle); 7181 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7182 // So we store adminExtras for broadcasting when the user starts for first time. 7183 synchronized(this) { 7184 DevicePolicyData policyData = getUserData(userHandle); 7185 policyData.mInitBundle = adminExtras; 7186 policyData.mAdminBroadcastPending = true; 7187 saveSettingsLocked(userHandle); 7188 } 7189 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7190 setProfileOwner(profileOwner, ownerName, userHandle); 7191 7192 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7193 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7194 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7195 } 7196 7197 return user; 7198 } finally { 7199 mInjector.binderRestoreCallingIdentity(id); 7200 } 7201 } 7202 7203 @Override 7204 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7205 Preconditions.checkNotNull(who, "ComponentName is null"); 7206 synchronized (this) { 7207 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7208 7209 long id = mInjector.binderClearCallingIdentity(); 7210 try { 7211 return mUserManager.removeUser(userHandle.getIdentifier()); 7212 } finally { 7213 mInjector.binderRestoreCallingIdentity(id); 7214 } 7215 } 7216 } 7217 7218 @Override 7219 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7220 Preconditions.checkNotNull(who, "ComponentName is null"); 7221 synchronized (this) { 7222 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7223 7224 long id = mInjector.binderClearCallingIdentity(); 7225 try { 7226 int userId = UserHandle.USER_SYSTEM; 7227 if (userHandle != null) { 7228 userId = userHandle.getIdentifier(); 7229 } 7230 return mInjector.getIActivityManager().switchUser(userId); 7231 } catch (RemoteException e) { 7232 Log.e(LOG_TAG, "Couldn't switch user", e); 7233 return false; 7234 } finally { 7235 mInjector.binderRestoreCallingIdentity(id); 7236 } 7237 } 7238 } 7239 7240 @Override 7241 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7242 enforceCanManageApplicationRestrictions(who); 7243 7244 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7245 final long id = mInjector.binderClearCallingIdentity(); 7246 try { 7247 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7248 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7249 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7250 return bundle != null ? bundle : Bundle.EMPTY; 7251 } finally { 7252 mInjector.binderRestoreCallingIdentity(id); 7253 } 7254 } 7255 7256 @Override 7257 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7258 boolean suspended) { 7259 Preconditions.checkNotNull(who, "ComponentName is null"); 7260 int callingUserId = UserHandle.getCallingUserId(); 7261 synchronized (this) { 7262 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7263 7264 long id = mInjector.binderClearCallingIdentity(); 7265 try { 7266 return mIPackageManager.setPackagesSuspendedAsUser( 7267 packageNames, suspended, callingUserId); 7268 } catch (RemoteException re) { 7269 // Shouldn't happen. 7270 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7271 } finally { 7272 mInjector.binderRestoreCallingIdentity(id); 7273 } 7274 return packageNames; 7275 } 7276 } 7277 7278 @Override 7279 public boolean isPackageSuspended(ComponentName who, String packageName) { 7280 Preconditions.checkNotNull(who, "ComponentName is null"); 7281 int callingUserId = UserHandle.getCallingUserId(); 7282 synchronized (this) { 7283 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7284 7285 long id = mInjector.binderClearCallingIdentity(); 7286 try { 7287 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7288 } catch (RemoteException re) { 7289 // Shouldn't happen. 7290 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7291 } finally { 7292 mInjector.binderRestoreCallingIdentity(id); 7293 } 7294 return false; 7295 } 7296 } 7297 7298 @Override 7299 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7300 Preconditions.checkNotNull(who, "ComponentName is null"); 7301 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7302 return; 7303 } 7304 7305 final int userHandle = mInjector.userHandleGetCallingUserId(); 7306 synchronized (this) { 7307 ActiveAdmin activeAdmin = 7308 getActiveAdminForCallerLocked(who, 7309 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7310 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7311 if (isDeviceOwner) { 7312 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7313 throw new SecurityException("Device owner cannot set user restriction " + key); 7314 } 7315 } else { // profile owner 7316 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7317 throw new SecurityException("Profile owner cannot set user restriction " + key); 7318 } 7319 } 7320 7321 // Save the restriction to ActiveAdmin. 7322 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 7323 saveSettingsLocked(userHandle); 7324 7325 pushUserRestrictions(userHandle); 7326 7327 sendChangedNotification(userHandle); 7328 } 7329 } 7330 7331 private void pushUserRestrictions(int userId) { 7332 synchronized (this) { 7333 final Bundle global; 7334 final Bundle local = new Bundle(); 7335 if (mOwners.isDeviceOwnerUserId(userId)) { 7336 global = new Bundle(); 7337 7338 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7339 if (deviceOwner == null) { 7340 return; // Shouldn't happen. 7341 } 7342 7343 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 7344 global, local); 7345 // DO can disable camera globally. 7346 if (deviceOwner.disableCamera) { 7347 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 7348 } 7349 } else { 7350 global = null; 7351 7352 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7353 if (profileOwner != null) { 7354 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7355 } 7356 } 7357 // Also merge in *local* camera restriction. 7358 if (getCameraDisabled(/* who= */ null, 7359 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7360 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7361 } 7362 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7363 } 7364 } 7365 7366 @Override 7367 public Bundle getUserRestrictions(ComponentName who) { 7368 if (!mHasFeature) { 7369 return null; 7370 } 7371 Preconditions.checkNotNull(who, "ComponentName is null"); 7372 synchronized (this) { 7373 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7374 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7375 return activeAdmin.userRestrictions; 7376 } 7377 } 7378 7379 @Override 7380 public boolean setApplicationHidden(ComponentName who, String packageName, 7381 boolean hidden) { 7382 Preconditions.checkNotNull(who, "ComponentName is null"); 7383 int callingUserId = UserHandle.getCallingUserId(); 7384 synchronized (this) { 7385 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7386 7387 long id = mInjector.binderClearCallingIdentity(); 7388 try { 7389 return mIPackageManager.setApplicationHiddenSettingAsUser( 7390 packageName, hidden, callingUserId); 7391 } catch (RemoteException re) { 7392 // shouldn't happen 7393 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7394 } finally { 7395 mInjector.binderRestoreCallingIdentity(id); 7396 } 7397 return false; 7398 } 7399 } 7400 7401 @Override 7402 public boolean isApplicationHidden(ComponentName who, String packageName) { 7403 Preconditions.checkNotNull(who, "ComponentName is null"); 7404 int callingUserId = UserHandle.getCallingUserId(); 7405 synchronized (this) { 7406 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7407 7408 long id = mInjector.binderClearCallingIdentity(); 7409 try { 7410 return mIPackageManager.getApplicationHiddenSettingAsUser( 7411 packageName, callingUserId); 7412 } catch (RemoteException re) { 7413 // shouldn't happen 7414 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7415 } finally { 7416 mInjector.binderRestoreCallingIdentity(id); 7417 } 7418 return false; 7419 } 7420 } 7421 7422 @Override 7423 public void enableSystemApp(ComponentName who, String packageName) { 7424 Preconditions.checkNotNull(who, "ComponentName is null"); 7425 synchronized (this) { 7426 // This API can only be called by an active device admin, 7427 // so try to retrieve it to check that the caller is one. 7428 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7429 7430 int userId = UserHandle.getCallingUserId(); 7431 long id = mInjector.binderClearCallingIdentity(); 7432 7433 try { 7434 if (VERBOSE_LOG) { 7435 Slog.v(LOG_TAG, "installing " + packageName + " for " 7436 + userId); 7437 } 7438 7439 int parentUserId = getProfileParentId(userId); 7440 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7441 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7442 } 7443 7444 // Install the app. 7445 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7446 7447 } catch (RemoteException re) { 7448 // shouldn't happen 7449 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7450 } finally { 7451 mInjector.binderRestoreCallingIdentity(id); 7452 } 7453 } 7454 } 7455 7456 @Override 7457 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7458 Preconditions.checkNotNull(who, "ComponentName is null"); 7459 synchronized (this) { 7460 // This API can only be called by an active device admin, 7461 // so try to retrieve it to check that the caller is one. 7462 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7463 7464 int userId = UserHandle.getCallingUserId(); 7465 long id = mInjector.binderClearCallingIdentity(); 7466 7467 try { 7468 int parentUserId = getProfileParentId(userId); 7469 List<ResolveInfo> activitiesToEnable = mIPackageManager 7470 .queryIntentActivities(intent, 7471 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7472 PackageManager.MATCH_DIRECT_BOOT_AWARE 7473 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7474 parentUserId) 7475 .getList(); 7476 7477 if (VERBOSE_LOG) { 7478 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7479 } 7480 int numberOfAppsInstalled = 0; 7481 if (activitiesToEnable != null) { 7482 for (ResolveInfo info : activitiesToEnable) { 7483 if (info.activityInfo != null) { 7484 String packageName = info.activityInfo.packageName; 7485 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7486 numberOfAppsInstalled++; 7487 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7488 } else { 7489 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7490 + " system app"); 7491 } 7492 } 7493 } 7494 } 7495 return numberOfAppsInstalled; 7496 } catch (RemoteException e) { 7497 // shouldn't happen 7498 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7499 return 0; 7500 } finally { 7501 mInjector.binderRestoreCallingIdentity(id); 7502 } 7503 } 7504 } 7505 7506 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7507 throws RemoteException { 7508 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 7509 userId); 7510 if (appInfo == null) { 7511 throw new IllegalArgumentException("The application " + packageName + 7512 " is not present on this device"); 7513 } 7514 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7515 } 7516 7517 @Override 7518 public void setAccountManagementDisabled(ComponentName who, String accountType, 7519 boolean disabled) { 7520 if (!mHasFeature) { 7521 return; 7522 } 7523 Preconditions.checkNotNull(who, "ComponentName is null"); 7524 synchronized (this) { 7525 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7526 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7527 if (disabled) { 7528 ap.accountTypesWithManagementDisabled.add(accountType); 7529 } else { 7530 ap.accountTypesWithManagementDisabled.remove(accountType); 7531 } 7532 saveSettingsLocked(UserHandle.getCallingUserId()); 7533 } 7534 } 7535 7536 @Override 7537 public String[] getAccountTypesWithManagementDisabled() { 7538 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7539 } 7540 7541 @Override 7542 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7543 enforceFullCrossUsersPermission(userId); 7544 if (!mHasFeature) { 7545 return null; 7546 } 7547 synchronized (this) { 7548 DevicePolicyData policy = getUserData(userId); 7549 final int N = policy.mAdminList.size(); 7550 ArraySet<String> resultSet = new ArraySet<>(); 7551 for (int i = 0; i < N; i++) { 7552 ActiveAdmin admin = policy.mAdminList.get(i); 7553 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7554 } 7555 return resultSet.toArray(new String[resultSet.size()]); 7556 } 7557 } 7558 7559 @Override 7560 public void setUninstallBlocked(ComponentName who, String packageName, 7561 boolean uninstallBlocked) { 7562 Preconditions.checkNotNull(who, "ComponentName is null"); 7563 final int userId = UserHandle.getCallingUserId(); 7564 synchronized (this) { 7565 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7566 7567 long id = mInjector.binderClearCallingIdentity(); 7568 try { 7569 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7570 } catch (RemoteException re) { 7571 // Shouldn't happen. 7572 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7573 } finally { 7574 mInjector.binderRestoreCallingIdentity(id); 7575 } 7576 } 7577 } 7578 7579 @Override 7580 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7581 // This function should return true if and only if the package is blocked by 7582 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7583 // when the package is a system app, or when it is an active device admin. 7584 final int userId = UserHandle.getCallingUserId(); 7585 7586 synchronized (this) { 7587 if (who != null) { 7588 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7589 } 7590 7591 long id = mInjector.binderClearCallingIdentity(); 7592 try { 7593 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7594 } catch (RemoteException re) { 7595 // Shouldn't happen. 7596 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7597 } finally { 7598 mInjector.binderRestoreCallingIdentity(id); 7599 } 7600 } 7601 return false; 7602 } 7603 7604 @Override 7605 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7606 if (!mHasFeature) { 7607 return; 7608 } 7609 Preconditions.checkNotNull(who, "ComponentName is null"); 7610 synchronized (this) { 7611 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7612 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7613 if (admin.disableCallerId != disabled) { 7614 admin.disableCallerId = disabled; 7615 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7616 } 7617 } 7618 } 7619 7620 @Override 7621 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7622 if (!mHasFeature) { 7623 return false; 7624 } 7625 Preconditions.checkNotNull(who, "ComponentName is null"); 7626 synchronized (this) { 7627 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7628 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7629 return admin.disableCallerId; 7630 } 7631 } 7632 7633 @Override 7634 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 7635 enforceCrossUsersPermission(userId); 7636 synchronized (this) { 7637 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7638 return (admin != null) ? admin.disableCallerId : false; 7639 } 7640 } 7641 7642 @Override 7643 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 7644 if (!mHasFeature) { 7645 return; 7646 } 7647 Preconditions.checkNotNull(who, "ComponentName is null"); 7648 synchronized (this) { 7649 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7650 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7651 if (admin.disableContactsSearch != disabled) { 7652 admin.disableContactsSearch = disabled; 7653 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7654 } 7655 } 7656 } 7657 7658 @Override 7659 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 7660 if (!mHasFeature) { 7661 return false; 7662 } 7663 Preconditions.checkNotNull(who, "ComponentName is null"); 7664 synchronized (this) { 7665 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7666 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7667 return admin.disableContactsSearch; 7668 } 7669 } 7670 7671 @Override 7672 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 7673 enforceCrossUsersPermission(userId); 7674 synchronized (this) { 7675 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7676 return (admin != null) ? admin.disableContactsSearch : false; 7677 } 7678 } 7679 7680 @Override 7681 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 7682 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 7683 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 7684 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 7685 final int callingUserId = UserHandle.getCallingUserId(); 7686 7687 final long ident = mInjector.binderClearCallingIdentity(); 7688 try { 7689 synchronized (this) { 7690 final int managedUserId = getManagedUserId(callingUserId); 7691 if (managedUserId < 0) { 7692 return; 7693 } 7694 if (isCrossProfileQuickContactDisabled(managedUserId)) { 7695 if (VERBOSE_LOG) { 7696 Log.v(LOG_TAG, 7697 "Cross-profile contacts access disabled for user " + managedUserId); 7698 } 7699 return; 7700 } 7701 ContactsInternal.startQuickContactWithErrorToastForUser( 7702 mContext, intent, new UserHandle(managedUserId)); 7703 } 7704 } finally { 7705 mInjector.binderRestoreCallingIdentity(ident); 7706 } 7707 } 7708 7709 /** 7710 * @return true if cross-profile QuickContact is disabled 7711 */ 7712 private boolean isCrossProfileQuickContactDisabled(int userId) { 7713 return getCrossProfileCallerIdDisabledForUser(userId) 7714 && getCrossProfileContactsSearchDisabledForUser(userId); 7715 } 7716 7717 /** 7718 * @return the user ID of the managed user that is linked to the current user, if any. 7719 * Otherwise -1. 7720 */ 7721 public int getManagedUserId(int callingUserId) { 7722 if (VERBOSE_LOG) { 7723 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 7724 } 7725 7726 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 7727 if (ui.id == callingUserId || !ui.isManagedProfile()) { 7728 continue; // Caller user self, or not a managed profile. Skip. 7729 } 7730 if (VERBOSE_LOG) { 7731 Log.v(LOG_TAG, "Managed user=" + ui.id); 7732 } 7733 return ui.id; 7734 } 7735 if (VERBOSE_LOG) { 7736 Log.v(LOG_TAG, "Managed user not found."); 7737 } 7738 return -1; 7739 } 7740 7741 @Override 7742 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 7743 if (!mHasFeature) { 7744 return; 7745 } 7746 Preconditions.checkNotNull(who, "ComponentName is null"); 7747 synchronized (this) { 7748 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7749 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7750 if (admin.disableBluetoothContactSharing != disabled) { 7751 admin.disableBluetoothContactSharing = disabled; 7752 saveSettingsLocked(UserHandle.getCallingUserId()); 7753 } 7754 } 7755 } 7756 7757 @Override 7758 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 7759 if (!mHasFeature) { 7760 return false; 7761 } 7762 Preconditions.checkNotNull(who, "ComponentName is null"); 7763 synchronized (this) { 7764 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7765 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7766 return admin.disableBluetoothContactSharing; 7767 } 7768 } 7769 7770 @Override 7771 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 7772 // TODO: Should there be a check to make sure this relationship is 7773 // within a profile group? 7774 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 7775 synchronized (this) { 7776 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7777 return (admin != null) ? admin.disableBluetoothContactSharing : false; 7778 } 7779 } 7780 7781 /** 7782 * Sets which packages may enter lock task mode. 7783 * 7784 * <p>This function can only be called by the device owner or alternatively by the profile owner 7785 * in case the user is affiliated. 7786 * 7787 * @param packages The list of packages allowed to enter lock task mode. 7788 */ 7789 @Override 7790 public void setLockTaskPackages(ComponentName who, String[] packages) 7791 throws SecurityException { 7792 Preconditions.checkNotNull(who, "ComponentName is null"); 7793 synchronized (this) { 7794 ActiveAdmin deviceOwner = getActiveAdminWithPolicyForUidLocked( 7795 who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, mInjector.binderGetCallingUid()); 7796 ActiveAdmin profileOwner = getActiveAdminWithPolicyForUidLocked( 7797 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()); 7798 if (deviceOwner != null || (profileOwner != null && isAffiliatedUser())) { 7799 int userHandle = mInjector.userHandleGetCallingUserId(); 7800 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 7801 } else { 7802 throw new SecurityException("Admin " + who + 7803 " is neither the device owner or affiliated user's profile owner."); 7804 } 7805 } 7806 } 7807 7808 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 7809 DevicePolicyData policy = getUserData(userHandle); 7810 policy.mLockTaskPackages = packages; 7811 7812 // Store the settings persistently. 7813 saveSettingsLocked(userHandle); 7814 updateLockTaskPackagesLocked(packages, userHandle); 7815 } 7816 7817 /** 7818 * This function returns the list of components allowed to start the task lock mode. 7819 */ 7820 @Override 7821 public String[] getLockTaskPackages(ComponentName who) { 7822 Preconditions.checkNotNull(who, "ComponentName is null"); 7823 synchronized (this) { 7824 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7825 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7826 final List<String> packages = getLockTaskPackagesLocked(userHandle); 7827 return packages.toArray(new String[packages.size()]); 7828 } 7829 } 7830 7831 private List<String> getLockTaskPackagesLocked(int userHandle) { 7832 final DevicePolicyData policy = getUserData(userHandle); 7833 return policy.mLockTaskPackages; 7834 } 7835 7836 /** 7837 * This function lets the caller know whether the given package is allowed to start the 7838 * lock task mode. 7839 * @param pkg The package to check 7840 */ 7841 @Override 7842 public boolean isLockTaskPermitted(String pkg) { 7843 // Get current user's devicepolicy 7844 int uid = mInjector.binderGetCallingUid(); 7845 int userHandle = UserHandle.getUserId(uid); 7846 DevicePolicyData policy = getUserData(userHandle); 7847 synchronized (this) { 7848 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 7849 String lockTaskPackage = policy.mLockTaskPackages.get(i); 7850 7851 // If the given package equals one of the packages stored our list, 7852 // we allow this package to start lock task mode. 7853 if (lockTaskPackage.equals(pkg)) { 7854 return true; 7855 } 7856 } 7857 } 7858 return false; 7859 } 7860 7861 @Override 7862 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 7863 if (!isCallerWithSystemUid()) { 7864 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 7865 } 7866 synchronized (this) { 7867 final DevicePolicyData policy = getUserData(userHandle); 7868 Bundle adminExtras = new Bundle(); 7869 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 7870 for (ActiveAdmin admin : policy.mAdminList) { 7871 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 7872 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 7873 if (ownsDevice || ownsProfile) { 7874 if (isEnabled) { 7875 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 7876 adminExtras, null); 7877 } else { 7878 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 7879 } 7880 } 7881 } 7882 } 7883 } 7884 7885 @Override 7886 public void setGlobalSetting(ComponentName who, String setting, String value) { 7887 Preconditions.checkNotNull(who, "ComponentName is null"); 7888 7889 synchronized (this) { 7890 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7891 7892 // Some settings are no supported any more. However we do not want to throw a 7893 // SecurityException to avoid breaking apps. 7894 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 7895 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 7896 return; 7897 } 7898 7899 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 7900 throw new SecurityException(String.format( 7901 "Permission denial: device owners cannot update %1$s", setting)); 7902 } 7903 7904 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 7905 // ignore if it contradicts an existing policy 7906 long timeMs = getMaximumTimeToLock( 7907 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 7908 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 7909 return; 7910 } 7911 } 7912 7913 long id = mInjector.binderClearCallingIdentity(); 7914 try { 7915 mInjector.settingsGlobalPutString(setting, value); 7916 } finally { 7917 mInjector.binderRestoreCallingIdentity(id); 7918 } 7919 } 7920 } 7921 7922 @Override 7923 public void setSecureSetting(ComponentName who, String setting, String value) { 7924 Preconditions.checkNotNull(who, "ComponentName is null"); 7925 int callingUserId = mInjector.userHandleGetCallingUserId(); 7926 7927 synchronized (this) { 7928 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7929 7930 if (isDeviceOwner(who, callingUserId)) { 7931 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 7932 throw new SecurityException(String.format( 7933 "Permission denial: Device owners cannot update %1$s", setting)); 7934 } 7935 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 7936 throw new SecurityException(String.format( 7937 "Permission denial: Profile owners cannot update %1$s", setting)); 7938 } 7939 7940 long id = mInjector.binderClearCallingIdentity(); 7941 try { 7942 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 7943 } finally { 7944 mInjector.binderRestoreCallingIdentity(id); 7945 } 7946 } 7947 } 7948 7949 @Override 7950 public void setMasterVolumeMuted(ComponentName who, boolean on) { 7951 Preconditions.checkNotNull(who, "ComponentName is null"); 7952 synchronized (this) { 7953 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7954 int userId = UserHandle.getCallingUserId(); 7955 long identity = mInjector.binderClearCallingIdentity(); 7956 try { 7957 IAudioService iAudioService = IAudioService.Stub.asInterface( 7958 ServiceManager.getService(Context.AUDIO_SERVICE)); 7959 iAudioService.setMasterMute(on, 0, mContext.getPackageName(), userId); 7960 } catch (RemoteException re) { 7961 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 7962 } finally { 7963 mInjector.binderRestoreCallingIdentity(identity); 7964 } 7965 } 7966 } 7967 7968 @Override 7969 public boolean isMasterVolumeMuted(ComponentName who) { 7970 Preconditions.checkNotNull(who, "ComponentName is null"); 7971 synchronized (this) { 7972 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7973 7974 AudioManager audioManager = 7975 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 7976 return audioManager.isMasterMute(); 7977 } 7978 } 7979 7980 @Override 7981 public void setUserIcon(ComponentName who, Bitmap icon) { 7982 synchronized (this) { 7983 Preconditions.checkNotNull(who, "ComponentName is null"); 7984 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7985 7986 int userId = UserHandle.getCallingUserId(); 7987 long id = mInjector.binderClearCallingIdentity(); 7988 try { 7989 mUserManagerInternal.setUserIcon(userId, icon); 7990 } finally { 7991 mInjector.binderRestoreCallingIdentity(id); 7992 } 7993 } 7994 } 7995 7996 @Override 7997 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 7998 Preconditions.checkNotNull(who, "ComponentName is null"); 7999 synchronized (this) { 8000 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8001 } 8002 final int userId = UserHandle.getCallingUserId(); 8003 8004 long ident = mInjector.binderClearCallingIdentity(); 8005 try { 8006 // disallow disabling the keyguard if a password is currently set 8007 if (disabled && mLockPatternUtils.isSecure(userId)) { 8008 return false; 8009 } 8010 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8011 } finally { 8012 mInjector.binderRestoreCallingIdentity(ident); 8013 } 8014 return true; 8015 } 8016 8017 @Override 8018 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8019 int userId = UserHandle.getCallingUserId(); 8020 synchronized (this) { 8021 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8022 DevicePolicyData policy = getUserData(userId); 8023 if (policy.mStatusBarDisabled != disabled) { 8024 if (!setStatusBarDisabledInternal(disabled, userId)) { 8025 return false; 8026 } 8027 policy.mStatusBarDisabled = disabled; 8028 saveSettingsLocked(userId); 8029 } 8030 } 8031 return true; 8032 } 8033 8034 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8035 long ident = mInjector.binderClearCallingIdentity(); 8036 try { 8037 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8038 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8039 if (statusBarService != null) { 8040 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8041 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8042 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8043 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8044 return true; 8045 } 8046 } catch (RemoteException e) { 8047 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8048 } finally { 8049 mInjector.binderRestoreCallingIdentity(ident); 8050 } 8051 return false; 8052 } 8053 8054 /** 8055 * We need to update the internal state of whether a user has completed setup once. After 8056 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 8057 * as we don't trust any apps that might try to reset it. 8058 * <p> 8059 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8060 * them. 8061 */ 8062 void updateUserSetupComplete() { 8063 List<UserInfo> users = mUserManager.getUsers(true); 8064 final int N = users.size(); 8065 for (int i = 0; i < N; i++) { 8066 int userHandle = users.get(i).id; 8067 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8068 userHandle) != 0) { 8069 DevicePolicyData policy = getUserData(userHandle); 8070 if (!policy.mUserSetupComplete) { 8071 policy.mUserSetupComplete = true; 8072 synchronized (this) { 8073 saveSettingsLocked(userHandle); 8074 } 8075 } 8076 } 8077 } 8078 } 8079 8080 private class SetupContentObserver extends ContentObserver { 8081 8082 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8083 Settings.Secure.USER_SETUP_COMPLETE); 8084 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8085 Settings.Global.DEVICE_PROVISIONED); 8086 8087 public SetupContentObserver(Handler handler) { 8088 super(handler); 8089 } 8090 8091 void register() { 8092 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8093 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8094 } 8095 8096 @Override 8097 public void onChange(boolean selfChange, Uri uri) { 8098 if (mUserSetupComplete.equals(uri)) { 8099 updateUserSetupComplete(); 8100 } else if (mDeviceProvisioned.equals(uri)) { 8101 synchronized (DevicePolicyManagerService.this) { 8102 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8103 // is delayed until device is marked as provisioned. 8104 setDeviceOwnerSystemPropertyLocked(); 8105 } 8106 } 8107 } 8108 } 8109 8110 @VisibleForTesting 8111 final class LocalService extends DevicePolicyManagerInternal { 8112 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8113 8114 @Override 8115 public List<String> getCrossProfileWidgetProviders(int profileId) { 8116 synchronized (DevicePolicyManagerService.this) { 8117 if (mOwners == null) { 8118 return Collections.emptyList(); 8119 } 8120 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8121 if (ownerComponent == null) { 8122 return Collections.emptyList(); 8123 } 8124 8125 DevicePolicyData policy = getUserDataUnchecked(profileId); 8126 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8127 8128 if (admin == null || admin.crossProfileWidgetProviders == null 8129 || admin.crossProfileWidgetProviders.isEmpty()) { 8130 return Collections.emptyList(); 8131 } 8132 8133 return admin.crossProfileWidgetProviders; 8134 } 8135 } 8136 8137 @Override 8138 public void addOnCrossProfileWidgetProvidersChangeListener( 8139 OnCrossProfileWidgetProvidersChangeListener listener) { 8140 synchronized (DevicePolicyManagerService.this) { 8141 if (mWidgetProviderListeners == null) { 8142 mWidgetProviderListeners = new ArrayList<>(); 8143 } 8144 if (!mWidgetProviderListeners.contains(listener)) { 8145 mWidgetProviderListeners.add(listener); 8146 } 8147 } 8148 } 8149 8150 @Override 8151 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8152 synchronized(DevicePolicyManagerService.this) { 8153 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8154 } 8155 } 8156 8157 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8158 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8159 synchronized (DevicePolicyManagerService.this) { 8160 listeners = new ArrayList<>(mWidgetProviderListeners); 8161 } 8162 final int listenerCount = listeners.size(); 8163 for (int i = 0; i < listenerCount; i++) { 8164 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8165 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8166 } 8167 } 8168 8169 @Override 8170 public Intent createPackageSuspendedDialogIntent(String packageName, int userId) { 8171 Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8172 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8173 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8174 8175 // This method is called from AM with its lock held, so don't take the DPMS lock. 8176 // b/29242568 8177 8178 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8179 if (profileOwner != null) { 8180 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, profileOwner); 8181 return intent; 8182 } 8183 8184 final Pair<Integer, ComponentName> deviceOwner = 8185 mOwners.getDeviceOwnerUserIdAndComponent(); 8186 if (deviceOwner != null && deviceOwner.first == userId) { 8187 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, deviceOwner.second); 8188 return intent; 8189 } 8190 8191 // We're not specifying the device admin because there isn't one. 8192 return intent; 8193 } 8194 } 8195 8196 /** 8197 * Returns true if specified admin is allowed to limit passwords and has a 8198 * {@code passwordQuality} of at least {@code minPasswordQuality} 8199 */ 8200 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8201 if (admin.passwordQuality < minPasswordQuality) { 8202 return false; 8203 } 8204 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8205 } 8206 8207 @Override 8208 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8209 if (policy != null && !policy.isValid()) { 8210 throw new IllegalArgumentException("Invalid system update policy."); 8211 } 8212 synchronized (this) { 8213 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8214 if (policy == null) { 8215 mOwners.clearSystemUpdatePolicy(); 8216 } else { 8217 mOwners.setSystemUpdatePolicy(policy); 8218 } 8219 mOwners.writeDeviceOwner(); 8220 } 8221 mContext.sendBroadcastAsUser( 8222 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8223 UserHandle.SYSTEM); 8224 } 8225 8226 @Override 8227 public SystemUpdatePolicy getSystemUpdatePolicy() { 8228 synchronized (this) { 8229 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8230 if (policy != null && !policy.isValid()) { 8231 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8232 return null; 8233 } 8234 return policy; 8235 } 8236 } 8237 8238 /** 8239 * Checks if the caller of the method is the device owner app. 8240 * 8241 * @param callerUid UID of the caller. 8242 * @return true if the caller is the device owner app 8243 */ 8244 @VisibleForTesting 8245 boolean isCallerDeviceOwner(int callerUid) { 8246 synchronized (this) { 8247 if (!mOwners.hasDeviceOwner()) { 8248 return false; 8249 } 8250 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8251 return false; 8252 } 8253 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8254 .getPackageName(); 8255 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 8256 8257 for (String pkg : pkgs) { 8258 if (deviceOwnerPackageName.equals(pkg)) { 8259 return true; 8260 } 8261 } 8262 } 8263 8264 return false; 8265 } 8266 8267 @Override 8268 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8269 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8270 "Only the system update service can broadcast update information"); 8271 8272 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8273 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8274 "can broadcast update information."); 8275 return; 8276 } 8277 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8278 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8279 updateReceivedTime); 8280 8281 synchronized (this) { 8282 final String deviceOwnerPackage = 8283 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 8284 : null; 8285 if (deviceOwnerPackage == null) { 8286 return; 8287 } 8288 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 8289 8290 ActivityInfo[] receivers = null; 8291 try { 8292 receivers = mContext.getPackageManager().getPackageInfo( 8293 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 8294 } catch (NameNotFoundException e) { 8295 Log.e(LOG_TAG, "Cannot find device owner package", e); 8296 } 8297 if (receivers != null) { 8298 long ident = mInjector.binderClearCallingIdentity(); 8299 try { 8300 for (int i = 0; i < receivers.length; i++) { 8301 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 8302 intent.setComponent(new ComponentName(deviceOwnerPackage, 8303 receivers[i].name)); 8304 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8305 } 8306 } 8307 } finally { 8308 mInjector.binderRestoreCallingIdentity(ident); 8309 } 8310 } 8311 } 8312 } 8313 8314 @Override 8315 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8316 int userId = UserHandle.getCallingUserId(); 8317 synchronized (this) { 8318 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8319 DevicePolicyData userPolicy = getUserData(userId); 8320 if (userPolicy.mPermissionPolicy != policy) { 8321 userPolicy.mPermissionPolicy = policy; 8322 saveSettingsLocked(userId); 8323 } 8324 } 8325 } 8326 8327 @Override 8328 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8329 int userId = UserHandle.getCallingUserId(); 8330 synchronized (this) { 8331 DevicePolicyData userPolicy = getUserData(userId); 8332 return userPolicy.mPermissionPolicy; 8333 } 8334 } 8335 8336 @Override 8337 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8338 String permission, int grantState) throws RemoteException { 8339 UserHandle user = mInjector.binderGetCallingUserHandle(); 8340 synchronized (this) { 8341 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8342 long ident = mInjector.binderClearCallingIdentity(); 8343 try { 8344 if (getTargetSdk(packageName, user.getIdentifier()) 8345 < android.os.Build.VERSION_CODES.M) { 8346 return false; 8347 } 8348 final PackageManager packageManager = mContext.getPackageManager(); 8349 switch (grantState) { 8350 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8351 packageManager.grantRuntimePermission(packageName, permission, user); 8352 packageManager.updatePermissionFlags(permission, packageName, 8353 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8354 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8355 } break; 8356 8357 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8358 packageManager.revokeRuntimePermission(packageName, 8359 permission, user); 8360 packageManager.updatePermissionFlags(permission, packageName, 8361 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8362 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8363 } break; 8364 8365 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8366 packageManager.updatePermissionFlags(permission, packageName, 8367 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8368 } break; 8369 } 8370 return true; 8371 } catch (SecurityException se) { 8372 return false; 8373 } finally { 8374 mInjector.binderRestoreCallingIdentity(ident); 8375 } 8376 } 8377 } 8378 8379 @Override 8380 public int getPermissionGrantState(ComponentName admin, String packageName, 8381 String permission) throws RemoteException { 8382 PackageManager packageManager = mContext.getPackageManager(); 8383 8384 UserHandle user = mInjector.binderGetCallingUserHandle(); 8385 synchronized (this) { 8386 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8387 long ident = mInjector.binderClearCallingIdentity(); 8388 try { 8389 int granted = mIPackageManager.checkPermission(permission, 8390 packageName, user.getIdentifier()); 8391 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8392 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8393 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8394 // Not controlled by policy 8395 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8396 } else { 8397 // Policy controlled so return result based on permission grant state 8398 return granted == PackageManager.PERMISSION_GRANTED 8399 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8400 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8401 } 8402 } finally { 8403 mInjector.binderRestoreCallingIdentity(ident); 8404 } 8405 } 8406 } 8407 8408 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8409 try { 8410 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8411 userHandle); 8412 return (pi != null) && (pi.applicationInfo.flags != 0); 8413 } catch (RemoteException re) { 8414 throw new RuntimeException("Package manager has died", re); 8415 } 8416 } 8417 8418 @Override 8419 public boolean isProvisioningAllowed(String action) { 8420 if (!mHasFeature) { 8421 return false; 8422 } 8423 8424 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8425 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 8426 if (!hasFeatureManagedUsers()) { 8427 return false; 8428 } 8429 synchronized (this) { 8430 if (mOwners.hasDeviceOwner()) { 8431 if (!mInjector.userManagerIsSplitSystemUser()) { 8432 // Only split-system-user systems support managed-profiles in combination with 8433 // device-owner. 8434 return false; 8435 } 8436 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 8437 // Only system device-owner supports managed-profiles. Non-system device-owner 8438 // doesn't. 8439 return false; 8440 } 8441 if (callingUserId == UserHandle.USER_SYSTEM) { 8442 // Managed-profiles cannot be setup on the system user, only regular users. 8443 return false; 8444 } 8445 } 8446 } 8447 if (getProfileOwner(callingUserId) != null) { 8448 // Managed user cannot have a managed profile. 8449 return false; 8450 } 8451 final long ident = mInjector.binderClearCallingIdentity(); 8452 try { 8453 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 8454 return false; 8455 } 8456 } finally { 8457 mInjector.binderRestoreCallingIdentity(ident); 8458 } 8459 return true; 8460 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 8461 return isDeviceOwnerProvisioningAllowed(callingUserId); 8462 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 8463 if (!hasFeatureManagedUsers()) { 8464 return false; 8465 } 8466 if (!mInjector.userManagerIsSplitSystemUser()) { 8467 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 8468 return false; 8469 } 8470 if (callingUserId == UserHandle.USER_SYSTEM) { 8471 // System user cannot be a managed user. 8472 return false; 8473 } 8474 if (hasUserSetupCompleted(callingUserId)) { 8475 return false; 8476 } 8477 return true; 8478 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 8479 if (!mInjector.userManagerIsSplitSystemUser()) { 8480 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 8481 return false; 8482 } 8483 return isDeviceOwnerProvisioningAllowed(callingUserId); 8484 } 8485 throw new IllegalArgumentException("Unknown provisioning action " + action); 8486 } 8487 8488 /* 8489 * The device owner can only be set before the setup phase of the primary user has completed, 8490 * except for adb command if no accounts or additional users are present on the device. 8491 */ 8492 private synchronized @DeviceOwnerPreConditionCode int checkSetDeviceOwnerPreCondition( 8493 int deviceOwnerUserId, boolean isAdb) { 8494 if (mOwners.hasDeviceOwner()) { 8495 return CODE_HAS_DEVICE_OWNER; 8496 } 8497 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8498 return CODE_USER_HAS_PROFILE_OWNER; 8499 } 8500 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8501 return CODE_USER_NOT_RUNNING; 8502 } 8503 if (isAdb) { 8504 // if shell command runs after user setup completed check device status. Otherwise, OK. 8505 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8506 if (!mInjector.userManagerIsSplitSystemUser()) { 8507 if (mUserManager.getUserCount() > 1) { 8508 return CODE_NONSYSTEM_USER_EXISTS; 8509 } 8510 if (AccountManager.get(mContext).getAccounts().length > 0) { 8511 return CODE_ACCOUNTS_NOT_EMPTY; 8512 } 8513 } else { 8514 // STOPSHIP Do proper check in split user mode 8515 } 8516 } 8517 return CODE_OK; 8518 } else { 8519 if (!mInjector.userManagerIsSplitSystemUser()) { 8520 // In non-split user mode, DO has to be user 0 8521 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8522 return CODE_NOT_SYSTEM_USER; 8523 } 8524 // In non-split user mode, only provision DO before setup wizard completes 8525 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8526 return CODE_USER_SETUP_COMPLETED; 8527 } 8528 } else { 8529 // STOPSHIP Do proper check in split user mode 8530 } 8531 return CODE_OK; 8532 } 8533 } 8534 8535 private boolean isDeviceOwnerProvisioningAllowed(int deviceOwnerUserId) { 8536 return CODE_OK == checkSetDeviceOwnerPreCondition(deviceOwnerUserId, /* isAdb */ false); 8537 } 8538 8539 private boolean hasFeatureManagedUsers() { 8540 try { 8541 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 8542 } catch (RemoteException e) { 8543 return false; 8544 } 8545 } 8546 8547 @Override 8548 public String getWifiMacAddress(ComponentName admin) { 8549 // Make sure caller has DO. 8550 synchronized (this) { 8551 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8552 } 8553 8554 final long ident = mInjector.binderClearCallingIdentity(); 8555 try { 8556 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 8557 if (wifiInfo == null) { 8558 return null; 8559 } 8560 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 8561 } finally { 8562 mInjector.binderRestoreCallingIdentity(ident); 8563 } 8564 } 8565 8566 /** 8567 * Returns the target sdk version number that the given packageName was built for 8568 * in the given user. 8569 */ 8570 private int getTargetSdk(String packageName, int userId) { 8571 final ApplicationInfo ai; 8572 try { 8573 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 8574 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 8575 return targetSdkVersion; 8576 } catch (RemoteException e) { 8577 // Shouldn't happen 8578 return 0; 8579 } 8580 } 8581 8582 @Override 8583 public boolean isManagedProfile(ComponentName admin) { 8584 synchronized (this) { 8585 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8586 } 8587 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8588 final UserInfo user = getUserInfo(callingUserId); 8589 return user != null && user.isManagedProfile(); 8590 } 8591 8592 @Override 8593 public boolean isSystemOnlyUser(ComponentName admin) { 8594 synchronized (this) { 8595 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8596 } 8597 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8598 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 8599 } 8600 8601 @Override 8602 public void reboot(ComponentName admin) { 8603 Preconditions.checkNotNull(admin); 8604 // Make sure caller has DO. 8605 synchronized (this) { 8606 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8607 } 8608 long ident = mInjector.binderClearCallingIdentity(); 8609 try { 8610 // Make sure there are no ongoing calls on the device. 8611 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 8612 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 8613 } 8614 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 8615 } finally { 8616 mInjector.binderRestoreCallingIdentity(ident); 8617 } 8618 } 8619 8620 @Override 8621 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 8622 if (!mHasFeature) { 8623 return; 8624 } 8625 Preconditions.checkNotNull(who, "ComponentName is null"); 8626 final int userHandle = mInjector.userHandleGetCallingUserId(); 8627 synchronized (this) { 8628 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8629 mInjector.binderGetCallingUid()); 8630 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 8631 admin.shortSupportMessage = message; 8632 saveSettingsLocked(userHandle); 8633 } 8634 } 8635 } 8636 8637 @Override 8638 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 8639 if (!mHasFeature) { 8640 return null; 8641 } 8642 Preconditions.checkNotNull(who, "ComponentName is null"); 8643 synchronized (this) { 8644 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8645 mInjector.binderGetCallingUid()); 8646 return admin.shortSupportMessage; 8647 } 8648 } 8649 8650 @Override 8651 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 8652 if (!mHasFeature) { 8653 return; 8654 } 8655 Preconditions.checkNotNull(who, "ComponentName is null"); 8656 final int userHandle = mInjector.userHandleGetCallingUserId(); 8657 synchronized (this) { 8658 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8659 mInjector.binderGetCallingUid()); 8660 if (!TextUtils.equals(admin.longSupportMessage, message)) { 8661 admin.longSupportMessage = message; 8662 saveSettingsLocked(userHandle); 8663 } 8664 } 8665 } 8666 8667 @Override 8668 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 8669 if (!mHasFeature) { 8670 return null; 8671 } 8672 Preconditions.checkNotNull(who, "ComponentName is null"); 8673 synchronized (this) { 8674 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8675 mInjector.binderGetCallingUid()); 8676 return admin.longSupportMessage; 8677 } 8678 } 8679 8680 @Override 8681 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8682 if (!mHasFeature) { 8683 return null; 8684 } 8685 Preconditions.checkNotNull(who, "ComponentName is null"); 8686 if (!isCallerWithSystemUid()) { 8687 throw new SecurityException("Only the system can query support message for user"); 8688 } 8689 synchronized (this) { 8690 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8691 if (admin != null) { 8692 return admin.shortSupportMessage; 8693 } 8694 } 8695 return null; 8696 } 8697 8698 @Override 8699 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8700 if (!mHasFeature) { 8701 return null; 8702 } 8703 Preconditions.checkNotNull(who, "ComponentName is null"); 8704 if (!isCallerWithSystemUid()) { 8705 throw new SecurityException("Only the system can query support message for user"); 8706 } 8707 synchronized (this) { 8708 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8709 if (admin != null) { 8710 return admin.longSupportMessage; 8711 } 8712 } 8713 return null; 8714 } 8715 8716 @Override 8717 public void setOrganizationColor(@NonNull ComponentName who, int color) { 8718 if (!mHasFeature) { 8719 return; 8720 } 8721 Preconditions.checkNotNull(who, "ComponentName is null"); 8722 final int userHandle = mInjector.userHandleGetCallingUserId(); 8723 enforceManagedProfile(userHandle, "set organization color"); 8724 synchronized (this) { 8725 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8726 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8727 admin.organizationColor = color; 8728 saveSettingsLocked(userHandle); 8729 } 8730 } 8731 8732 @Override 8733 public void setOrganizationColorForUser(int color, int userId) { 8734 if (!mHasFeature) { 8735 return; 8736 } 8737 enforceFullCrossUsersPermission(userId); 8738 enforceManageUsers(); 8739 enforceManagedProfile(userId, "set organization color"); 8740 synchronized (this) { 8741 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8742 admin.organizationColor = color; 8743 saveSettingsLocked(userId); 8744 } 8745 } 8746 8747 @Override 8748 public int getOrganizationColor(@NonNull ComponentName who) { 8749 if (!mHasFeature) { 8750 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8751 } 8752 Preconditions.checkNotNull(who, "ComponentName is null"); 8753 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 8754 synchronized (this) { 8755 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8756 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8757 return admin.organizationColor; 8758 } 8759 } 8760 8761 @Override 8762 public int getOrganizationColorForUser(int userHandle) { 8763 if (!mHasFeature) { 8764 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8765 } 8766 enforceFullCrossUsersPermission(userHandle); 8767 enforceManagedProfile(userHandle, "get organization color"); 8768 synchronized (this) { 8769 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8770 return (profileOwner != null) 8771 ? profileOwner.organizationColor 8772 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 8773 } 8774 } 8775 8776 @Override 8777 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 8778 if (!mHasFeature) { 8779 return; 8780 } 8781 Preconditions.checkNotNull(who, "ComponentName is null"); 8782 final int userHandle = mInjector.userHandleGetCallingUserId(); 8783 enforceManagedProfile(userHandle, "set organization name"); 8784 synchronized (this) { 8785 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8786 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8787 if (!TextUtils.equals(admin.organizationName, text)) { 8788 admin.organizationName = (text == null || text.length() == 0) 8789 ? null : text.toString(); 8790 saveSettingsLocked(userHandle); 8791 } 8792 } 8793 } 8794 8795 @Override 8796 public CharSequence getOrganizationName(@NonNull ComponentName who) { 8797 if (!mHasFeature) { 8798 return null; 8799 } 8800 Preconditions.checkNotNull(who, "ComponentName is null"); 8801 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 8802 synchronized(this) { 8803 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8804 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8805 return admin.organizationName; 8806 } 8807 } 8808 8809 @Override 8810 public CharSequence getOrganizationNameForUser(int userHandle) { 8811 if (!mHasFeature) { 8812 return null; 8813 } 8814 enforceFullCrossUsersPermission(userHandle); 8815 enforceManagedProfile(userHandle, "get organization name"); 8816 synchronized (this) { 8817 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8818 return (profileOwner != null) 8819 ? profileOwner.organizationName 8820 : null; 8821 } 8822 } 8823 8824 @Override 8825 public void setAffiliationIds(ComponentName admin, List<String> ids) { 8826 final Set<String> affiliationIds = new ArraySet<String>(ids); 8827 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8828 8829 synchronized (this) { 8830 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8831 getUserData(callingUserId).mAffiliationIds = affiliationIds; 8832 saveSettingsLocked(callingUserId); 8833 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 8834 // Affiliation ids specified by the device owner are additionally stored in 8835 // UserHandle.USER_SYSTEM's DevicePolicyData. 8836 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 8837 saveSettingsLocked(UserHandle.USER_SYSTEM); 8838 } 8839 } 8840 } 8841 8842 @Override 8843 public boolean isAffiliatedUser() { 8844 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8845 8846 synchronized (this) { 8847 if (mOwners.getDeviceOwnerUserId() == callingUserId) { 8848 // The user that the DO is installed on is always affiliated. 8849 return true; 8850 } 8851 final ComponentName profileOwner = getProfileOwner(callingUserId); 8852 if (profileOwner == null 8853 || !profileOwner.getPackageName().equals(mOwners.getDeviceOwnerPackageName())) { 8854 return false; 8855 } 8856 final Set<String> userAffiliationIds = getUserData(callingUserId).mAffiliationIds; 8857 final Set<String> deviceAffiliationIds = 8858 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 8859 for (String id : userAffiliationIds) { 8860 if (deviceAffiliationIds.contains(id)) { 8861 return true; 8862 } 8863 } 8864 } 8865 return false; 8866 } 8867 8868 private synchronized void disableSecurityLoggingIfNotCompliant() { 8869 if (!isDeviceOwnerManagedSingleUserDevice()) { 8870 mInjector.securityLogSetLoggingEnabledProperty(false); 8871 Slog.w(LOG_TAG, "Security logging turned off as it's no longer a single user device."); 8872 } 8873 } 8874 8875 @Override 8876 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 8877 Preconditions.checkNotNull(admin); 8878 ensureDeviceOwnerManagingSingleUser(admin); 8879 8880 synchronized (this) { 8881 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 8882 return; 8883 } 8884 mInjector.securityLogSetLoggingEnabledProperty(enabled); 8885 if (enabled) { 8886 mSecurityLogMonitor.start(); 8887 } else { 8888 mSecurityLogMonitor.stop(); 8889 } 8890 } 8891 } 8892 8893 @Override 8894 public boolean isSecurityLoggingEnabled(ComponentName admin) { 8895 Preconditions.checkNotNull(admin); 8896 synchronized (this) { 8897 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8898 return mInjector.securityLogGetLoggingEnabledProperty(); 8899 } 8900 } 8901 8902 @Override 8903 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 8904 Preconditions.checkNotNull(admin); 8905 ensureDeviceOwnerManagingSingleUser(admin); 8906 8907 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs)) { 8908 return null; 8909 } 8910 8911 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 8912 try { 8913 SecurityLog.readPreviousEvents(output); 8914 return new ParceledListSlice<SecurityEvent>(output); 8915 } catch (IOException e) { 8916 Slog.w(LOG_TAG, "Fail to read previous events" , e); 8917 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 8918 } 8919 } 8920 8921 @Override 8922 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 8923 Preconditions.checkNotNull(admin); 8924 ensureDeviceOwnerManagingSingleUser(admin); 8925 8926 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 8927 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 8928 } 8929 8930 private void enforceCanManageDeviceAdmin() { 8931 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 8932 null); 8933 } 8934 8935 private void enforceCanManageProfileAndDeviceOwners() { 8936 mContext.enforceCallingOrSelfPermission( 8937 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 8938 } 8939 8940 @Override 8941 public boolean isUninstallInQueue(final String packageName) { 8942 enforceCanManageDeviceAdmin(); 8943 final int userId = mInjector.userHandleGetCallingUserId(); 8944 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8945 synchronized (this) { 8946 return mPackagesToRemove.contains(packageUserPair); 8947 } 8948 } 8949 8950 @Override 8951 public void uninstallPackageWithActiveAdmins(final String packageName) { 8952 enforceCanManageDeviceAdmin(); 8953 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 8954 8955 final int userId = mInjector.userHandleGetCallingUserId(); 8956 8957 enforceUserUnlocked(userId); 8958 8959 final ComponentName profileOwner = getProfileOwner(userId); 8960 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 8961 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 8962 } 8963 8964 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 8965 if (getDeviceOwnerUserId() == userId && deviceOwner != null 8966 && packageName.equals(deviceOwner.getPackageName())) { 8967 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 8968 } 8969 8970 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8971 synchronized (this) { 8972 mPackagesToRemove.add(packageUserPair); 8973 } 8974 8975 // All active admins on the user. 8976 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 8977 8978 // Active admins in the target package. 8979 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 8980 if (allActiveAdmins != null) { 8981 for (ComponentName activeAdmin : allActiveAdmins) { 8982 if (packageName.equals(activeAdmin.getPackageName())) { 8983 packageActiveAdmins.add(activeAdmin); 8984 removeActiveAdmin(activeAdmin, userId); 8985 } 8986 } 8987 } 8988 if (packageActiveAdmins.size() == 0) { 8989 startUninstallIntent(packageName, userId); 8990 } else { 8991 mHandler.postDelayed(new Runnable() { 8992 @Override 8993 public void run() { 8994 for (ComponentName activeAdmin : packageActiveAdmins) { 8995 removeAdminArtifacts(activeAdmin, userId); 8996 } 8997 startUninstallIntent(packageName, userId); 8998 } 8999 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 9000 } 9001 } 9002 9003 private void removePackageIfRequired(final String packageName, final int userId) { 9004 if (!packageHasActiveAdmins(packageName, userId)) { 9005 // Will not do anything if uninstall was not requested or was already started. 9006 startUninstallIntent(packageName, userId); 9007 } 9008 } 9009 9010 private void startUninstallIntent(final String packageName, final int userId) { 9011 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9012 synchronized (this) { 9013 if (!mPackagesToRemove.contains(packageUserPair)) { 9014 // Do nothing if uninstall was not requested or was already started. 9015 return; 9016 } 9017 mPackagesToRemove.remove(packageUserPair); 9018 } 9019 try { 9020 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 9021 // Package does not exist. Nothing to do. 9022 return; 9023 } 9024 } catch (RemoteException re) { 9025 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 9026 } 9027 9028 try { // force stop the package before uninstalling 9029 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 9030 } catch (RemoteException re) { 9031 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 9032 } 9033 final Uri packageURI = Uri.parse("package:" + packageName); 9034 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9035 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9036 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9037 } 9038 9039 /** 9040 * Removes the admin from the policy. Ideally called after the admin's 9041 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9042 * 9043 * @param adminReceiver The admin to remove 9044 * @param userHandle The user for which this admin has to be removed. 9045 */ 9046 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9047 synchronized (this) { 9048 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9049 if (admin == null) { 9050 return; 9051 } 9052 final DevicePolicyData policy = getUserData(userHandle); 9053 final boolean doProxyCleanup = admin.info.usesPolicy( 9054 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9055 policy.mAdminList.remove(admin); 9056 policy.mAdminMap.remove(adminReceiver); 9057 validatePasswordOwnerLocked(policy); 9058 if (doProxyCleanup) { 9059 resetGlobalProxyLocked(policy); 9060 } 9061 saveSettingsLocked(userHandle); 9062 updateMaximumTimeToLockLocked(userHandle); 9063 policy.mRemovingAdmins.remove(adminReceiver); 9064 } 9065 // The removed admin might have disabled camera, so update user 9066 // restrictions. 9067 pushUserRestrictions(userHandle); 9068 } 9069} 9070