DevicePolicyManagerService.java revision 90c9dbc91910a77b8660ec66de0725aee472e0ab
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 21import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24 25import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 26import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 27import static org.xmlpull.v1.XmlPullParser.END_TAG; 28import static org.xmlpull.v1.XmlPullParser.TEXT; 29 30import android.Manifest.permission; 31import android.accessibilityservice.AccessibilityServiceInfo; 32import android.accounts.AccountManager; 33import android.annotation.IntDef; 34import android.annotation.NonNull; 35import android.annotation.Nullable; 36import android.annotation.UserIdInt; 37import android.app.Activity; 38import android.app.ActivityManager; 39import android.app.ActivityManagerNative; 40import android.app.AlarmManager; 41import android.app.AppGlobals; 42import android.app.IActivityManager; 43import android.app.Notification; 44import android.app.NotificationManager; 45import android.app.PendingIntent; 46import android.app.StatusBarManager; 47import android.app.admin.DeviceAdminInfo; 48import android.app.admin.DeviceAdminReceiver; 49import android.app.admin.DevicePolicyManager; 50import android.app.admin.DevicePolicyManagerInternal; 51import android.app.admin.IDevicePolicyManager; 52import android.app.admin.SecurityLog; 53import android.app.admin.SecurityLog.SecurityEvent; 54import android.app.admin.SystemUpdatePolicy; 55import android.app.backup.IBackupManager; 56import android.content.BroadcastReceiver; 57import android.content.ComponentName; 58import android.content.Context; 59import android.content.Intent; 60import android.content.IntentFilter; 61import android.content.pm.ActivityInfo; 62import android.content.pm.ApplicationInfo; 63import android.content.pm.IPackageManager; 64import android.content.pm.PackageInfo; 65import android.content.pm.PackageManager; 66import android.content.pm.PackageManager.NameNotFoundException; 67import android.content.pm.PackageManagerInternal; 68import android.content.pm.ParceledListSlice; 69import android.content.pm.ResolveInfo; 70import android.content.pm.ServiceInfo; 71import android.content.pm.UserInfo; 72import android.database.ContentObserver; 73import android.graphics.Bitmap; 74import android.graphics.Color; 75import android.media.AudioManager; 76import android.media.IAudioService; 77import android.net.ConnectivityManager; 78import android.net.ProxyInfo; 79import android.net.Uri; 80import android.net.wifi.WifiInfo; 81import android.net.wifi.WifiManager; 82import android.os.AsyncTask; 83import android.os.Binder; 84import android.os.Build; 85import android.os.Bundle; 86import android.os.Environment; 87import android.os.FileUtils; 88import android.os.Handler; 89import android.os.IBinder; 90import android.os.Looper; 91import android.os.ParcelFileDescriptor; 92import android.os.PersistableBundle; 93import android.os.PowerManager; 94import android.os.PowerManagerInternal; 95import android.os.Process; 96import android.os.RecoverySystem; 97import android.os.RemoteCallback; 98import android.os.RemoteException; 99import android.os.ServiceManager; 100import android.os.SystemClock; 101import android.os.SystemProperties; 102import android.os.UserHandle; 103import android.os.UserManager; 104import android.os.UserManagerInternal; 105import android.os.storage.StorageManager; 106import android.provider.ContactsContract.QuickContact; 107import android.provider.ContactsInternal; 108import android.provider.Settings; 109import android.security.Credentials; 110import android.security.IKeyChainAliasCallback; 111import android.security.IKeyChainService; 112import android.security.KeyChain; 113import android.security.KeyChain.KeyChainConnection; 114import android.service.persistentdata.PersistentDataBlockManager; 115import android.telephony.TelephonyManager; 116import android.text.TextUtils; 117import android.util.ArrayMap; 118import android.util.ArraySet; 119import android.util.Log; 120import android.util.Pair; 121import android.util.Slog; 122import android.util.SparseArray; 123import android.util.Xml; 124import android.view.IWindowManager; 125import android.view.accessibility.AccessibilityManager; 126import android.view.accessibility.IAccessibilityManager; 127import android.view.inputmethod.InputMethodInfo; 128import android.view.inputmethod.InputMethodManager; 129 130import com.android.internal.R; 131import com.android.internal.annotations.VisibleForTesting; 132import com.android.internal.statusbar.IStatusBarService; 133import com.android.internal.util.FastXmlSerializer; 134import com.android.internal.util.JournaledFile; 135import com.android.internal.util.ParcelableString; 136import com.android.internal.util.Preconditions; 137import com.android.internal.util.XmlUtils; 138import com.android.internal.widget.LockPatternUtils; 139import com.android.server.LocalServices; 140import com.android.server.SystemService; 141import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 142import com.android.server.pm.UserRestrictionsUtils; 143import com.google.android.collect.Sets; 144 145import org.xmlpull.v1.XmlPullParser; 146import org.xmlpull.v1.XmlPullParserException; 147import org.xmlpull.v1.XmlSerializer; 148 149import java.io.ByteArrayInputStream; 150import java.io.File; 151import java.io.FileDescriptor; 152import java.io.FileInputStream; 153import java.io.FileNotFoundException; 154import java.io.FileOutputStream; 155import java.io.IOException; 156import java.io.PrintWriter; 157import java.lang.annotation.Retention; 158import java.lang.annotation.RetentionPolicy; 159import java.nio.charset.StandardCharsets; 160import java.security.cert.CertificateException; 161import java.security.cert.CertificateFactory; 162import java.security.cert.X509Certificate; 163import java.text.DateFormat; 164import java.util.ArrayList; 165import java.util.Arrays; 166import java.util.Collections; 167import java.util.Date; 168import java.util.List; 169import java.util.Map.Entry; 170import java.util.Set; 171import java.util.concurrent.atomic.AtomicBoolean; 172 173/** 174 * Implementation of the device policy APIs. 175 */ 176public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 177 178 private static final String LOG_TAG = "DevicePolicyManagerService"; 179 180 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 181 182 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 183 184 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 185 186 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 187 188 private static final String TAG_STATUS_BAR = "statusbar"; 189 190 private static final String ATTR_DISABLED = "disabled"; 191 192 private static final String ATTR_NAME = "name"; 193 194 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 195 "do-not-ask-credentials-on-boot"; 196 197 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 198 199 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 200 201 private static final String ATTR_VALUE = "value"; 202 203 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 204 205 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 206 207 private static final long MS_PER_DAY = 86400 * 1000; 208 209 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 210 211 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 212 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 213 214 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 215 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 216 217 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 218 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 219 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 220 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 221 222 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 223 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 224 = "application-restrictions-manager"; 225 226 /** 227 * System property whose value is either "true" or "false", indicating whether 228 */ 229 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 230 231 private static final int STATUS_BAR_DISABLE_MASK = 232 StatusBarManager.DISABLE_EXPAND | 233 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 234 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 235 StatusBarManager.DISABLE_SEARCH; 236 237 private static final int STATUS_BAR_DISABLE2_MASK = 238 StatusBarManager.DISABLE2_QUICK_SETTINGS; 239 240 private static final Set<String> SECURE_SETTINGS_WHITELIST; 241 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 242 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 243 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 244 static { 245 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 246 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 247 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 248 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 249 250 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 251 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 252 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 253 254 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 255 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 256 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 257 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 258 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 259 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 260 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 261 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 262 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 263 264 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 265 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 266 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 267 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 268 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 269 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 270 } 271 272 /** 273 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 274 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 275 * instance. 276 */ 277 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 278 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 279 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 280 281 /** 282 * Keyguard features that when set on a profile affect the profile content or challenge only. 283 * These cannot be set on the managed profile's parent DPM instance 284 */ 285 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 286 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 287 288 /** Keyguard features that are allowed to be set on a managed profile */ 289 private static final int PROFILE_KEYGUARD_FEATURES = 290 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 291 292 private static final int CODE_OK = 0; 293 private static final int CODE_HAS_DEVICE_OWNER = 1; 294 private static final int CODE_USER_HAS_PROFILE_OWNER = 2; 295 private static final int CODE_USER_NOT_RUNNING = 3; 296 private static final int CODE_USER_SETUP_COMPLETED = 4; 297 private static final int CODE_NONSYSTEM_USER_EXISTS = 5; 298 private static final int CODE_ACCOUNTS_NOT_EMPTY = 6; 299 private static final int CODE_NOT_SYSTEM_USER = 7; 300 301 @Retention(RetentionPolicy.SOURCE) 302 @IntDef({ CODE_OK, CODE_HAS_DEVICE_OWNER, CODE_USER_HAS_PROFILE_OWNER, CODE_USER_NOT_RUNNING, 303 CODE_USER_SETUP_COMPLETED, CODE_NOT_SYSTEM_USER }) 304 private @interface DeviceOwnerPreConditionCode {} 305 306 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 307 308 final Context mContext; 309 final Injector mInjector; 310 final IPackageManager mIPackageManager; 311 final UserManager mUserManager; 312 final UserManagerInternal mUserManagerInternal; 313 final TelephonyManager mTelephonyManager; 314 private final LockPatternUtils mLockPatternUtils; 315 316 /** 317 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 318 * is requested for user u. 319 */ 320 private final Set<Pair<String, Integer>> mPackagesToRemove = 321 new ArraySet<Pair<String, Integer>>(); 322 323 final LocalService mLocalService; 324 325 // Stores and loads state on device and profile owners. 326 @VisibleForTesting 327 final Owners mOwners; 328 329 private final Binder mToken = new Binder(); 330 331 /** 332 * Whether or not device admin feature is supported. If it isn't return defaults for all 333 * public methods. 334 */ 335 boolean mHasFeature; 336 337 private final SecurityLogMonitor mSecurityLogMonitor; 338 339 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 340 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 341 342 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 343 @Override 344 public void run() { 345 if(mRemoteBugreportServiceIsActive.get()) { 346 onBugreportFailed(); 347 } 348 } 349 }; 350 351 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 352 353 @Override 354 public void onReceive(Context context, Intent intent) { 355 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 356 && mRemoteBugreportServiceIsActive.get()) { 357 onBugreportFinished(intent); 358 } 359 } 360 }; 361 362 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 363 364 @Override 365 public void onReceive(Context context, Intent intent) { 366 String action = intent.getAction(); 367 mInjector.getNotificationManager().cancel(LOG_TAG, 368 RemoteBugreportUtils.NOTIFICATION_ID); 369 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 370 onBugreportSharingAccepted(); 371 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 372 onBugreportSharingDeclined(); 373 } 374 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 375 } 376 }; 377 378 public static final class Lifecycle extends SystemService { 379 private DevicePolicyManagerService mService; 380 381 public Lifecycle(Context context) { 382 super(context); 383 mService = new DevicePolicyManagerService(context); 384 } 385 386 @Override 387 public void onStart() { 388 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 389 } 390 391 @Override 392 public void onBootPhase(int phase) { 393 mService.systemReady(phase); 394 } 395 396 @Override 397 public void onStartUser(int userHandle) { 398 mService.onStartUser(userHandle); 399 } 400 } 401 402 public static class DevicePolicyData { 403 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 404 int mActivePasswordLength = 0; 405 int mActivePasswordUpperCase = 0; 406 int mActivePasswordLowerCase = 0; 407 int mActivePasswordLetters = 0; 408 int mActivePasswordNumeric = 0; 409 int mActivePasswordSymbols = 0; 410 int mActivePasswordNonLetter = 0; 411 int mFailedPasswordAttempts = 0; 412 413 int mUserHandle; 414 int mPasswordOwner = -1; 415 long mLastMaximumTimeToLock = -1; 416 boolean mUserSetupComplete = false; 417 int mUserProvisioningState; 418 int mPermissionPolicy; 419 420 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 421 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 422 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 423 424 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 425 426 // This is the list of component allowed to start lock task mode. 427 List<String> mLockTaskPackages = new ArrayList<>(); 428 429 boolean mStatusBarDisabled = false; 430 431 ComponentName mRestrictionsProvider; 432 433 String mDelegatedCertInstallerPackage; 434 435 boolean doNotAskCredentialsOnBoot = false; 436 437 String mApplicationRestrictionsManagingPackage; 438 439 Set<String> mAffiliationIds = new ArraySet<>(); 440 441 // Used for initialization of users created by createAndManageUsers. 442 boolean mAdminBroadcastPending = false; 443 PersistableBundle mInitBundle = null; 444 445 public DevicePolicyData(int userHandle) { 446 mUserHandle = userHandle; 447 } 448 } 449 450 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 451 452 final Handler mHandler; 453 454 BroadcastReceiver mReceiver = new BroadcastReceiver() { 455 @Override 456 public void onReceive(Context context, Intent intent) { 457 final String action = intent.getAction(); 458 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 459 getSendingUserId()); 460 461 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 462 && userHandle == mOwners.getDeviceOwnerUserId() 463 && getDeviceOwnerRemoteBugreportUri() != null) { 464 IntentFilter filterConsent = new IntentFilter(); 465 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 466 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 467 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 468 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 469 RemoteBugreportUtils.NOTIFICATION_ID, 470 RemoteBugreportUtils.buildNotification(mContext, 471 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 472 UserHandle.ALL); 473 } 474 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 475 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 476 if (VERBOSE_LOG) { 477 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 478 + action + " for user " + userHandle); 479 } 480 mHandler.post(new Runnable() { 481 @Override 482 public void run() { 483 handlePasswordExpirationNotification(userHandle); 484 } 485 }); 486 } 487 if (Intent.ACTION_USER_UNLOCKED.equals(action) 488 || Intent.ACTION_USER_STARTED.equals(action) 489 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 490 int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 491 new MonitoringCertNotificationTask().execute(userId); 492 } 493 if (Intent.ACTION_USER_ADDED.equals(action)) { 494 disableSecurityLoggingIfNotCompliant(); 495 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 496 disableSecurityLoggingIfNotCompliant(); 497 removeUserData(userHandle); 498 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 499 synchronized (DevicePolicyManagerService.this) { 500 // Reset the policy data 501 mUserData.remove(userHandle); 502 sendAdminEnabledBroadcastLocked(userHandle); 503 } 504 handlePackagesChanged(null /* check all admins */, userHandle); 505 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 506 handlePackagesChanged(null /* check all admins */, userHandle); 507 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 508 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 509 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 510 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 511 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 512 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 513 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 514 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 515 clearWipeProfileNotification(); 516 } 517 } 518 }; 519 520 static class ActiveAdmin { 521 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 522 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 523 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 524 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 525 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 526 = "disable-bt-contacts-sharing"; 527 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 528 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 529 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 530 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 531 private static final String TAG_ACCOUNT_TYPE = "account-type"; 532 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 533 = "permitted-accessiblity-services"; 534 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 535 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 536 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 537 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 538 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 539 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 540 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 541 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 542 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 543 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 544 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 545 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 546 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 547 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 548 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 549 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 550 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 551 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 552 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 553 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 554 private static final String ATTR_VALUE = "value"; 555 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 556 private static final String TAG_POLICIES = "policies"; 557 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 558 "cross-profile-widget-providers"; 559 private static final String TAG_PROVIDER = "provider"; 560 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 561 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 562 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 563 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 564 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 565 private static final String TAG_PARENT_ADMIN = "parent-admin"; 566 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 567 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 568 569 final DeviceAdminInfo info; 570 571 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 572 573 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 574 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 575 576 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 577 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 578 579 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 580 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 581 582 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 583 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 584 585 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 586 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 587 588 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 589 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 590 591 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 592 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 593 594 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 595 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 596 597 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 598 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 599 600 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 601 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 602 603 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 604 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 605 606 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 607 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 608 609 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 610 611 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 612 613 boolean encryptionRequested = false; 614 boolean disableCamera = false; 615 boolean disableCallerId = false; 616 boolean disableContactsSearch = false; 617 boolean disableBluetoothContactSharing = true; 618 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 619 boolean requireAutoTime = false; // Can only be set by a device owner. 620 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 621 622 ActiveAdmin parentAdmin; 623 final boolean isParent; 624 625 static class TrustAgentInfo { 626 public PersistableBundle options; 627 TrustAgentInfo(PersistableBundle bundle) { 628 options = bundle; 629 } 630 } 631 632 Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 633 634 // The list of permitted accessibility services package namesas set by a profile 635 // or device owner. Null means all accessibility services are allowed, empty means 636 // none except system services are allowed. 637 List<String> permittedAccessiblityServices; 638 639 // The list of permitted input methods package names as set by a profile or device owner. 640 // Null means all input methods are allowed, empty means none except system imes are 641 // allowed. 642 List<String> permittedInputMethods; 643 644 // List of package names to keep cached. 645 List<String> keepUninstalledPackages; 646 647 // TODO: review implementation decisions with frameworks team 648 boolean specifiesGlobalProxy = false; 649 String globalProxySpec = null; 650 String globalProxyExclusionList = null; 651 652 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 653 654 List<String> crossProfileWidgetProviders; 655 656 Bundle userRestrictions; 657 658 // Support text provided by the admin to display to the user. 659 CharSequence shortSupportMessage = null; 660 CharSequence longSupportMessage = null; 661 662 // Background color of confirm credentials screen. Default: teal. 663 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 664 int organizationColor = DEF_ORGANIZATION_COLOR; 665 666 // Default title of confirm credentials screen 667 String organizationName = null; 668 669 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 670 info = _info; 671 isParent = parent; 672 } 673 674 ActiveAdmin getParentActiveAdmin() { 675 Preconditions.checkState(!isParent); 676 677 if (parentAdmin == null) { 678 parentAdmin = new ActiveAdmin(info, /* parent */ true); 679 } 680 return parentAdmin; 681 } 682 683 boolean hasParentActiveAdmin() { 684 return parentAdmin != null; 685 } 686 687 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 688 689 public UserHandle getUserHandle() { 690 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 691 } 692 693 void writeToXml(XmlSerializer out) 694 throws IllegalArgumentException, IllegalStateException, IOException { 695 out.startTag(null, TAG_POLICIES); 696 info.writePoliciesToXml(out); 697 out.endTag(null, TAG_POLICIES); 698 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 699 out.startTag(null, TAG_PASSWORD_QUALITY); 700 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 701 out.endTag(null, TAG_PASSWORD_QUALITY); 702 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 703 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 704 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 705 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 706 } 707 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 708 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 709 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 710 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 711 } 712 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 713 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 714 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 715 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 716 } 717 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 718 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 719 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 720 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 721 } 722 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 723 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 724 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 725 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 726 } 727 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 728 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 729 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 730 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 731 } 732 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 733 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 734 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 735 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 736 } 737 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 738 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 739 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 740 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 741 } 742 } 743 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 744 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 745 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 746 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 747 } 748 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 749 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 750 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 751 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 752 } 753 if (specifiesGlobalProxy) { 754 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 755 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 756 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 757 if (globalProxySpec != null) { 758 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 759 out.attribute(null, ATTR_VALUE, globalProxySpec); 760 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 761 } 762 if (globalProxyExclusionList != null) { 763 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 764 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 765 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 766 } 767 } 768 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 769 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 770 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 771 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 772 } 773 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 774 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 775 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 776 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 777 } 778 if (encryptionRequested) { 779 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 780 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 781 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 782 } 783 if (disableCamera) { 784 out.startTag(null, TAG_DISABLE_CAMERA); 785 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 786 out.endTag(null, TAG_DISABLE_CAMERA); 787 } 788 if (disableCallerId) { 789 out.startTag(null, TAG_DISABLE_CALLER_ID); 790 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 791 out.endTag(null, TAG_DISABLE_CALLER_ID); 792 } 793 if (disableContactsSearch) { 794 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 795 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 796 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 797 } 798 if (!disableBluetoothContactSharing) { 799 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 800 out.attribute(null, ATTR_VALUE, 801 Boolean.toString(disableBluetoothContactSharing)); 802 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 803 } 804 if (disableScreenCapture) { 805 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 806 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 807 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 808 } 809 if (requireAutoTime) { 810 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 811 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 812 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 813 } 814 if (forceEphemeralUsers) { 815 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 816 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 817 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 818 } 819 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 820 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 821 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 822 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 823 } 824 if (!accountTypesWithManagementDisabled.isEmpty()) { 825 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 826 for (String ac : accountTypesWithManagementDisabled) { 827 out.startTag(null, TAG_ACCOUNT_TYPE); 828 out.attribute(null, ATTR_VALUE, ac); 829 out.endTag(null, TAG_ACCOUNT_TYPE); 830 } 831 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 832 } 833 if (!trustAgentInfos.isEmpty()) { 834 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 835 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 836 for (Entry<String, TrustAgentInfo> entry : set) { 837 TrustAgentInfo trustAgentInfo = entry.getValue(); 838 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 839 out.attribute(null, ATTR_VALUE, entry.getKey()); 840 if (trustAgentInfo.options != null) { 841 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 842 try { 843 trustAgentInfo.options.saveToXml(out); 844 } catch (XmlPullParserException e) { 845 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 846 } 847 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 848 } 849 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 850 } 851 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 852 } 853 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 854 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 855 final int providerCount = crossProfileWidgetProviders.size(); 856 for (int i = 0; i < providerCount; i++) { 857 String provider = crossProfileWidgetProviders.get(i); 858 out.startTag(null, TAG_PROVIDER); 859 out.attribute(null, ATTR_VALUE, provider); 860 out.endTag(null, TAG_PROVIDER); 861 } 862 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 863 } 864 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 865 permittedAccessiblityServices); 866 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 867 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 868 if (hasUserRestrictions()) { 869 UserRestrictionsUtils.writeRestrictions( 870 out, userRestrictions, TAG_USER_RESTRICTIONS); 871 } 872 if (!TextUtils.isEmpty(shortSupportMessage)) { 873 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 874 out.text(shortSupportMessage.toString()); 875 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 876 } 877 if (!TextUtils.isEmpty(longSupportMessage)) { 878 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 879 out.text(longSupportMessage.toString()); 880 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 881 } 882 if (parentAdmin != null) { 883 out.startTag(null, TAG_PARENT_ADMIN); 884 parentAdmin.writeToXml(out); 885 out.endTag(null, TAG_PARENT_ADMIN); 886 } 887 if (organizationColor != DEF_ORGANIZATION_COLOR) { 888 out.startTag(null, TAG_ORGANIZATION_COLOR); 889 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 890 out.endTag(null, TAG_ORGANIZATION_COLOR); 891 } 892 if (organizationName != null) { 893 out.startTag(null, TAG_ORGANIZATION_NAME); 894 out.text(organizationName); 895 out.endTag(null, TAG_ORGANIZATION_NAME); 896 } 897 } 898 899 void writePackageListToXml(XmlSerializer out, String outerTag, 900 List<String> packageList) 901 throws IllegalArgumentException, IllegalStateException, IOException { 902 if (packageList == null) { 903 return; 904 } 905 906 out.startTag(null, outerTag); 907 for (String packageName : packageList) { 908 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 909 out.attribute(null, ATTR_VALUE, packageName); 910 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 911 } 912 out.endTag(null, outerTag); 913 } 914 915 void readFromXml(XmlPullParser parser) 916 throws XmlPullParserException, IOException { 917 int outerDepth = parser.getDepth(); 918 int type; 919 while ((type=parser.next()) != END_DOCUMENT 920 && (type != END_TAG || parser.getDepth() > outerDepth)) { 921 if (type == END_TAG || type == TEXT) { 922 continue; 923 } 924 String tag = parser.getName(); 925 if (TAG_POLICIES.equals(tag)) { 926 info.readPoliciesFromXml(parser); 927 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 928 passwordQuality = Integer.parseInt( 929 parser.getAttributeValue(null, ATTR_VALUE)); 930 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 931 minimumPasswordLength = Integer.parseInt( 932 parser.getAttributeValue(null, ATTR_VALUE)); 933 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 934 passwordHistoryLength = Integer.parseInt( 935 parser.getAttributeValue(null, ATTR_VALUE)); 936 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 937 minimumPasswordUpperCase = Integer.parseInt( 938 parser.getAttributeValue(null, ATTR_VALUE)); 939 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 940 minimumPasswordLowerCase = Integer.parseInt( 941 parser.getAttributeValue(null, ATTR_VALUE)); 942 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 943 minimumPasswordLetters = Integer.parseInt( 944 parser.getAttributeValue(null, ATTR_VALUE)); 945 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 946 minimumPasswordNumeric = Integer.parseInt( 947 parser.getAttributeValue(null, ATTR_VALUE)); 948 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 949 minimumPasswordSymbols = Integer.parseInt( 950 parser.getAttributeValue(null, ATTR_VALUE)); 951 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 952 minimumPasswordNonLetter = Integer.parseInt( 953 parser.getAttributeValue(null, ATTR_VALUE)); 954 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 955 maximumTimeToUnlock = Long.parseLong( 956 parser.getAttributeValue(null, ATTR_VALUE)); 957 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 958 maximumFailedPasswordsForWipe = Integer.parseInt( 959 parser.getAttributeValue(null, ATTR_VALUE)); 960 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 961 specifiesGlobalProxy = Boolean.parseBoolean( 962 parser.getAttributeValue(null, ATTR_VALUE)); 963 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 964 globalProxySpec = 965 parser.getAttributeValue(null, ATTR_VALUE); 966 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 967 globalProxyExclusionList = 968 parser.getAttributeValue(null, ATTR_VALUE); 969 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 970 passwordExpirationTimeout = Long.parseLong( 971 parser.getAttributeValue(null, ATTR_VALUE)); 972 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 973 passwordExpirationDate = Long.parseLong( 974 parser.getAttributeValue(null, ATTR_VALUE)); 975 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 976 encryptionRequested = Boolean.parseBoolean( 977 parser.getAttributeValue(null, ATTR_VALUE)); 978 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 979 disableCamera = Boolean.parseBoolean( 980 parser.getAttributeValue(null, ATTR_VALUE)); 981 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 982 disableCallerId = Boolean.parseBoolean( 983 parser.getAttributeValue(null, ATTR_VALUE)); 984 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 985 disableContactsSearch = Boolean.parseBoolean( 986 parser.getAttributeValue(null, ATTR_VALUE)); 987 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 988 disableBluetoothContactSharing = Boolean.parseBoolean(parser 989 .getAttributeValue(null, ATTR_VALUE)); 990 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 991 disableScreenCapture = Boolean.parseBoolean( 992 parser.getAttributeValue(null, ATTR_VALUE)); 993 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 994 requireAutoTime = Boolean.parseBoolean( 995 parser.getAttributeValue(null, ATTR_VALUE)); 996 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 997 forceEphemeralUsers = Boolean.parseBoolean( 998 parser.getAttributeValue(null, ATTR_VALUE)); 999 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1000 disabledKeyguardFeatures = Integer.parseInt( 1001 parser.getAttributeValue(null, ATTR_VALUE)); 1002 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1003 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 1004 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1005 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1006 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1007 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 1008 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1009 permittedAccessiblityServices = readPackageList(parser, tag); 1010 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1011 permittedInputMethods = readPackageList(parser, tag); 1012 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1013 keepUninstalledPackages = readPackageList(parser, tag); 1014 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1015 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 1016 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1017 type = parser.next(); 1018 if (type == XmlPullParser.TEXT) { 1019 shortSupportMessage = parser.getText(); 1020 } else { 1021 Log.w(LOG_TAG, "Missing text when loading short support message"); 1022 } 1023 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1024 type = parser.next(); 1025 if (type == XmlPullParser.TEXT) { 1026 longSupportMessage = parser.getText(); 1027 } else { 1028 Log.w(LOG_TAG, "Missing text when loading long support message"); 1029 } 1030 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1031 Preconditions.checkState(!isParent); 1032 1033 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1034 parentAdmin.readFromXml(parser); 1035 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1036 organizationColor = Integer.parseInt( 1037 parser.getAttributeValue(null, ATTR_VALUE)); 1038 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1039 type = parser.next(); 1040 if (type == XmlPullParser.TEXT) { 1041 organizationName = parser.getText(); 1042 } else { 1043 Log.w(LOG_TAG, "Missing text when loading organization name"); 1044 } 1045 } else { 1046 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1047 XmlUtils.skipCurrentTag(parser); 1048 } 1049 } 1050 } 1051 1052 private List<String> readPackageList(XmlPullParser parser, 1053 String tag) throws XmlPullParserException, IOException { 1054 List<String> result = new ArrayList<String>(); 1055 int outerDepth = parser.getDepth(); 1056 int outerType; 1057 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1058 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1059 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1060 continue; 1061 } 1062 String outerTag = parser.getName(); 1063 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1064 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1065 if (packageName != null) { 1066 result.add(packageName); 1067 } else { 1068 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1069 } 1070 } else { 1071 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1072 } 1073 } 1074 return result; 1075 } 1076 1077 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 1078 throws XmlPullParserException, IOException { 1079 int outerDepthDAM = parser.getDepth(); 1080 int typeDAM; 1081 Set<String> result = new ArraySet<>(); 1082 while ((typeDAM=parser.next()) != END_DOCUMENT 1083 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1084 if (typeDAM == END_TAG || typeDAM == TEXT) { 1085 continue; 1086 } 1087 String tagDAM = parser.getName(); 1088 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 1089 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1090 } else { 1091 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1092 } 1093 } 1094 return result; 1095 } 1096 1097 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1098 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1099 int outerDepthDAM = parser.getDepth(); 1100 int typeDAM; 1101 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1102 while ((typeDAM=parser.next()) != END_DOCUMENT 1103 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1104 if (typeDAM == END_TAG || typeDAM == TEXT) { 1105 continue; 1106 } 1107 String tagDAM = parser.getName(); 1108 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1109 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1110 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1111 result.put(component, trustAgentInfo); 1112 } else { 1113 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1114 } 1115 } 1116 return result; 1117 } 1118 1119 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1120 throws XmlPullParserException, IOException { 1121 int outerDepthDAM = parser.getDepth(); 1122 int typeDAM; 1123 TrustAgentInfo result = new TrustAgentInfo(null); 1124 while ((typeDAM=parser.next()) != END_DOCUMENT 1125 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1126 if (typeDAM == END_TAG || typeDAM == TEXT) { 1127 continue; 1128 } 1129 String tagDAM = parser.getName(); 1130 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1131 result.options = PersistableBundle.restoreFromXml(parser); 1132 } else { 1133 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1134 } 1135 } 1136 return result; 1137 } 1138 1139 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 1140 throws XmlPullParserException, IOException { 1141 int outerDepthDAM = parser.getDepth(); 1142 int typeDAM; 1143 ArrayList<String> result = null; 1144 while ((typeDAM=parser.next()) != END_DOCUMENT 1145 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1146 if (typeDAM == END_TAG || typeDAM == TEXT) { 1147 continue; 1148 } 1149 String tagDAM = parser.getName(); 1150 if (TAG_PROVIDER.equals(tagDAM)) { 1151 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 1152 if (result == null) { 1153 result = new ArrayList<>(); 1154 } 1155 result.add(provider); 1156 } else { 1157 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1158 } 1159 } 1160 return result; 1161 } 1162 1163 boolean hasUserRestrictions() { 1164 return userRestrictions != null && userRestrictions.size() > 0; 1165 } 1166 1167 Bundle ensureUserRestrictions() { 1168 if (userRestrictions == null) { 1169 userRestrictions = new Bundle(); 1170 } 1171 return userRestrictions; 1172 } 1173 1174 void dump(String prefix, PrintWriter pw) { 1175 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1176 pw.print(prefix); pw.println("policies:"); 1177 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1178 if (pols != null) { 1179 for (int i=0; i<pols.size(); i++) { 1180 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1181 } 1182 } 1183 pw.print(prefix); pw.print("passwordQuality=0x"); 1184 pw.println(Integer.toHexString(passwordQuality)); 1185 pw.print(prefix); pw.print("minimumPasswordLength="); 1186 pw.println(minimumPasswordLength); 1187 pw.print(prefix); pw.print("passwordHistoryLength="); 1188 pw.println(passwordHistoryLength); 1189 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1190 pw.println(minimumPasswordUpperCase); 1191 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1192 pw.println(minimumPasswordLowerCase); 1193 pw.print(prefix); pw.print("minimumPasswordLetters="); 1194 pw.println(minimumPasswordLetters); 1195 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1196 pw.println(minimumPasswordNumeric); 1197 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1198 pw.println(minimumPasswordSymbols); 1199 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1200 pw.println(minimumPasswordNonLetter); 1201 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1202 pw.println(maximumTimeToUnlock); 1203 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1204 pw.println(maximumFailedPasswordsForWipe); 1205 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1206 pw.println(specifiesGlobalProxy); 1207 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1208 pw.println(passwordExpirationTimeout); 1209 pw.print(prefix); pw.print("passwordExpirationDate="); 1210 pw.println(passwordExpirationDate); 1211 if (globalProxySpec != null) { 1212 pw.print(prefix); pw.print("globalProxySpec="); 1213 pw.println(globalProxySpec); 1214 } 1215 if (globalProxyExclusionList != null) { 1216 pw.print(prefix); pw.print("globalProxyEclusionList="); 1217 pw.println(globalProxyExclusionList); 1218 } 1219 pw.print(prefix); pw.print("encryptionRequested="); 1220 pw.println(encryptionRequested); 1221 pw.print(prefix); pw.print("disableCamera="); 1222 pw.println(disableCamera); 1223 pw.print(prefix); pw.print("disableCallerId="); 1224 pw.println(disableCallerId); 1225 pw.print(prefix); pw.print("disableContactsSearch="); 1226 pw.println(disableContactsSearch); 1227 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1228 pw.println(disableBluetoothContactSharing); 1229 pw.print(prefix); pw.print("disableScreenCapture="); 1230 pw.println(disableScreenCapture); 1231 pw.print(prefix); pw.print("requireAutoTime="); 1232 pw.println(requireAutoTime); 1233 pw.print(prefix); pw.print("forceEphemeralUsers="); 1234 pw.println(forceEphemeralUsers); 1235 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1236 pw.println(disabledKeyguardFeatures); 1237 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1238 pw.println(crossProfileWidgetProviders); 1239 if (permittedAccessiblityServices != null) { 1240 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1241 pw.println(permittedAccessiblityServices); 1242 } 1243 if (permittedInputMethods != null) { 1244 pw.print(prefix); pw.print("permittedInputMethods="); 1245 pw.println(permittedInputMethods); 1246 } 1247 if (keepUninstalledPackages != null) { 1248 pw.print(prefix); pw.print("keepUninstalledPackages="); 1249 pw.println(keepUninstalledPackages); 1250 } 1251 pw.print(prefix); pw.print("organizationColor="); 1252 pw.println(organizationColor); 1253 if (organizationName != null) { 1254 pw.print(prefix); pw.print("organizationName="); 1255 pw.println(organizationName); 1256 } 1257 pw.print(prefix); pw.println("userRestrictions:"); 1258 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1259 pw.print(prefix); pw.print("isParent="); 1260 pw.println(isParent); 1261 if (parentAdmin != null) { 1262 pw.print(prefix); pw.println("parentAdmin:"); 1263 parentAdmin.dump(prefix + " ", pw); 1264 } 1265 } 1266 } 1267 1268 private void handlePackagesChanged(String packageName, int userHandle) { 1269 boolean removed = false; 1270 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1271 DevicePolicyData policy = getUserData(userHandle); 1272 synchronized (this) { 1273 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1274 ActiveAdmin aa = policy.mAdminList.get(i); 1275 try { 1276 // If we're checking all packages or if the specific one we're checking matches, 1277 // then check if the package and receiver still exist. 1278 final String adminPackage = aa.info.getPackageName(); 1279 if (packageName == null || packageName.equals(adminPackage)) { 1280 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1281 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1282 PackageManager.MATCH_DIRECT_BOOT_AWARE 1283 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1284 userHandle) == null) { 1285 removed = true; 1286 policy.mAdminList.remove(i); 1287 policy.mAdminMap.remove(aa.info.getComponent()); 1288 } 1289 } 1290 } catch (RemoteException re) { 1291 // Shouldn't happen 1292 } 1293 } 1294 if (removed) { 1295 validatePasswordOwnerLocked(policy); 1296 saveSettingsLocked(policy.mUserHandle); 1297 } 1298 1299 // Check if delegated cert installer or app restrictions managing packages are removed. 1300 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1301 policy.mDelegatedCertInstallerPackage = null; 1302 saveSettingsLocked(policy.mUserHandle); 1303 } 1304 if (isRemovedPackage( 1305 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1306 policy.mApplicationRestrictionsManagingPackage = null; 1307 saveSettingsLocked(policy.mUserHandle); 1308 } 1309 } 1310 if (removed) { 1311 // The removed admin might have disabled camera, so update user restrictions. 1312 pushUserRestrictions(userHandle); 1313 } 1314 } 1315 1316 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1317 try { 1318 return targetPackage != null 1319 && (changedPackage == null || changedPackage.equals(targetPackage)) 1320 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1321 } catch (RemoteException e) { 1322 // Shouldn't happen 1323 } 1324 1325 return false; 1326 } 1327 1328 /** 1329 * Unit test will subclass it to inject mocks. 1330 */ 1331 @VisibleForTesting 1332 static class Injector { 1333 1334 private final Context mContext; 1335 1336 Injector(Context context) { 1337 mContext = context; 1338 } 1339 1340 Owners newOwners() { 1341 return new Owners(mContext, getUserManager(), getUserManagerInternal()); 1342 } 1343 1344 UserManager getUserManager() { 1345 return UserManager.get(mContext); 1346 } 1347 1348 UserManagerInternal getUserManagerInternal() { 1349 return LocalServices.getService(UserManagerInternal.class); 1350 } 1351 1352 PackageManagerInternal getPackageManagerInternal() { 1353 return LocalServices.getService(PackageManagerInternal.class); 1354 } 1355 1356 NotificationManager getNotificationManager() { 1357 return mContext.getSystemService(NotificationManager.class); 1358 } 1359 1360 PowerManagerInternal getPowerManagerInternal() { 1361 return LocalServices.getService(PowerManagerInternal.class); 1362 } 1363 1364 TelephonyManager getTelephonyManager() { 1365 return TelephonyManager.from(mContext); 1366 } 1367 1368 IWindowManager getIWindowManager() { 1369 return IWindowManager.Stub 1370 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1371 } 1372 1373 IActivityManager getIActivityManager() { 1374 return ActivityManagerNative.getDefault(); 1375 } 1376 1377 IPackageManager getIPackageManager() { 1378 return AppGlobals.getPackageManager(); 1379 } 1380 1381 IBackupManager getIBackupManager() { 1382 return IBackupManager.Stub.asInterface( 1383 ServiceManager.getService(Context.BACKUP_SERVICE)); 1384 } 1385 1386 IAudioService getIAudioService() { 1387 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1388 } 1389 1390 LockPatternUtils newLockPatternUtils() { 1391 return new LockPatternUtils(mContext); 1392 } 1393 1394 boolean storageManagerIsFileBasedEncryptionEnabled() { 1395 return StorageManager.isFileEncryptedNativeOnly(); 1396 } 1397 1398 boolean storageManagerIsNonDefaultBlockEncrypted() { 1399 long identity = Binder.clearCallingIdentity(); 1400 try { 1401 return StorageManager.isNonDefaultBlockEncrypted(); 1402 } finally { 1403 Binder.restoreCallingIdentity(identity); 1404 } 1405 } 1406 1407 boolean storageManagerIsEncrypted() { 1408 return StorageManager.isEncrypted(); 1409 } 1410 1411 boolean storageManagerIsEncryptable() { 1412 return StorageManager.isEncryptable(); 1413 } 1414 1415 Looper getMyLooper() { 1416 return Looper.myLooper(); 1417 } 1418 1419 WifiManager getWifiManager() { 1420 return mContext.getSystemService(WifiManager.class); 1421 } 1422 1423 long binderClearCallingIdentity() { 1424 return Binder.clearCallingIdentity(); 1425 } 1426 1427 void binderRestoreCallingIdentity(long token) { 1428 Binder.restoreCallingIdentity(token); 1429 } 1430 1431 int binderGetCallingUid() { 1432 return Binder.getCallingUid(); 1433 } 1434 1435 int binderGetCallingPid() { 1436 return Binder.getCallingPid(); 1437 } 1438 1439 UserHandle binderGetCallingUserHandle() { 1440 return Binder.getCallingUserHandle(); 1441 } 1442 1443 boolean binderIsCallingUidMyUid() { 1444 return getCallingUid() == Process.myUid(); 1445 } 1446 1447 final int userHandleGetCallingUserId() { 1448 return UserHandle.getUserId(binderGetCallingUid()); 1449 } 1450 1451 File environmentGetUserSystemDirectory(int userId) { 1452 return Environment.getUserSystemDirectory(userId); 1453 } 1454 1455 void powerManagerGoToSleep(long time, int reason, int flags) { 1456 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1457 } 1458 1459 void powerManagerReboot(String reason) { 1460 mContext.getSystemService(PowerManager.class).reboot(reason); 1461 } 1462 1463 boolean systemPropertiesGetBoolean(String key, boolean def) { 1464 return SystemProperties.getBoolean(key, def); 1465 } 1466 1467 long systemPropertiesGetLong(String key, long def) { 1468 return SystemProperties.getLong(key, def); 1469 } 1470 1471 String systemPropertiesGet(String key, String def) { 1472 return SystemProperties.get(key, def); 1473 } 1474 1475 String systemPropertiesGet(String key) { 1476 return SystemProperties.get(key); 1477 } 1478 1479 void systemPropertiesSet(String key, String value) { 1480 SystemProperties.set(key, value); 1481 } 1482 1483 boolean userManagerIsSplitSystemUser() { 1484 return UserManager.isSplitSystemUser(); 1485 } 1486 1487 String getDevicePolicyFilePathForSystemUser() { 1488 return "/data/system/"; 1489 } 1490 1491 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1492 ContentObserver observer, int userHandle) { 1493 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1494 observer, userHandle); 1495 } 1496 1497 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1498 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1499 name, def, userHandle); 1500 } 1501 1502 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1503 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1504 name, value, userHandle); 1505 } 1506 1507 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1508 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1509 name, value, userHandle); 1510 } 1511 1512 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1513 Settings.Global.putStringForUser(mContext.getContentResolver(), 1514 name, value, userHandle); 1515 } 1516 1517 void settingsSecurePutInt(String name, int value) { 1518 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1519 } 1520 1521 int settingsGlobalGetInt(String name, int def) { 1522 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1523 } 1524 1525 void settingsGlobalPutInt(String name, int value) { 1526 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1527 } 1528 1529 void settingsSecurePutString(String name, String value) { 1530 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1531 } 1532 1533 void settingsGlobalPutString(String name, String value) { 1534 Settings.Global.putString(mContext.getContentResolver(), name, value); 1535 } 1536 1537 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1538 SecurityLog.setLoggingEnabledProperty(enabled); 1539 } 1540 1541 boolean securityLogGetLoggingEnabledProperty() { 1542 return SecurityLog.getLoggingEnabledProperty(); 1543 } 1544 1545 boolean securityLogIsLoggingEnabled() { 1546 return SecurityLog.isLoggingEnabled(); 1547 } 1548 } 1549 1550 /** 1551 * Instantiates the service. 1552 */ 1553 public DevicePolicyManagerService(Context context) { 1554 this(new Injector(context)); 1555 } 1556 1557 @VisibleForTesting 1558 DevicePolicyManagerService(Injector injector) { 1559 mInjector = injector; 1560 mContext = Preconditions.checkNotNull(injector.mContext); 1561 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1562 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1563 1564 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1565 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1566 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1567 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1568 1569 mLocalService = new LocalService(); 1570 mLockPatternUtils = injector.newLockPatternUtils(); 1571 1572 mSecurityLogMonitor = new SecurityLogMonitor(this); 1573 1574 mHasFeature = mContext.getPackageManager() 1575 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1576 if (!mHasFeature) { 1577 // Skip the rest of the initialization 1578 return; 1579 } 1580 IntentFilter filter = new IntentFilter(); 1581 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1582 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1583 filter.addAction(Intent.ACTION_USER_ADDED); 1584 filter.addAction(Intent.ACTION_USER_REMOVED); 1585 filter.addAction(Intent.ACTION_USER_STARTED); 1586 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1587 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1588 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1589 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1590 filter = new IntentFilter(); 1591 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1592 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1593 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1594 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1595 filter.addDataScheme("package"); 1596 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1597 filter = new IntentFilter(); 1598 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1599 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1600 1601 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1602 } 1603 1604 /** 1605 * Creates and loads the policy data from xml. 1606 * @param userHandle the user for whom to load the policy data 1607 * @return 1608 */ 1609 @NonNull 1610 DevicePolicyData getUserData(int userHandle) { 1611 synchronized (this) { 1612 DevicePolicyData policy = mUserData.get(userHandle); 1613 if (policy == null) { 1614 policy = new DevicePolicyData(userHandle); 1615 mUserData.append(userHandle, policy); 1616 loadSettingsLocked(policy, userHandle); 1617 } 1618 return policy; 1619 } 1620 } 1621 1622 /** 1623 * Creates and loads the policy data from xml for data that is shared between 1624 * various profiles of a user. In contrast to {@link #getUserData(int)} 1625 * it allows access to data of users other than the calling user. 1626 * 1627 * This function should only be used for shared data, e.g. everything regarding 1628 * passwords and should be removed once multiple screen locks are present. 1629 * @param userHandle the user for whom to load the policy data 1630 * @return 1631 */ 1632 DevicePolicyData getUserDataUnchecked(int userHandle) { 1633 long ident = mInjector.binderClearCallingIdentity(); 1634 try { 1635 return getUserData(userHandle); 1636 } finally { 1637 mInjector.binderRestoreCallingIdentity(ident); 1638 } 1639 } 1640 1641 void removeUserData(int userHandle) { 1642 synchronized (this) { 1643 if (userHandle == UserHandle.USER_SYSTEM) { 1644 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1645 return; 1646 } 1647 mOwners.removeProfileOwner(userHandle); 1648 mOwners.writeProfileOwner(userHandle); 1649 1650 DevicePolicyData policy = mUserData.get(userHandle); 1651 if (policy != null) { 1652 mUserData.remove(userHandle); 1653 } 1654 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1655 DEVICE_POLICIES_XML); 1656 policyFile.delete(); 1657 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1658 } 1659 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1660 } 1661 1662 void loadOwners() { 1663 synchronized (this) { 1664 mOwners.load(); 1665 setDeviceOwnerSystemPropertyLocked(); 1666 findOwnerComponentIfNecessaryLocked(); 1667 migrateUserRestrictionsIfNecessaryLocked(); 1668 1669 // TODO PO may not have a class name either due to b/17652534. Address that too. 1670 1671 updateDeviceOwnerLocked(); 1672 } 1673 } 1674 1675 private void setDeviceOwnerSystemPropertyLocked() { 1676 // Device owner may still be provisioned, do not set the read-only system property yet. 1677 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1678 return; 1679 } 1680 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1681 // always false at this point. 1682 if (StorageManager.inCryptKeeperBounce()) { 1683 return; 1684 } 1685 1686 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1687 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1688 } else { 1689 if (mOwners.hasDeviceOwner()) { 1690 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1691 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1692 disableSecurityLoggingIfNotCompliant(); 1693 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1694 mSecurityLogMonitor.start(); 1695 } 1696 } else { 1697 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1698 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1699 } 1700 } 1701 } 1702 1703 private void findOwnerComponentIfNecessaryLocked() { 1704 if (!mOwners.hasDeviceOwner()) { 1705 return; 1706 } 1707 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1708 1709 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1710 return; // Already a full component name. 1711 } 1712 1713 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1714 doComponentName.getPackageName(), 1715 mOwners.getDeviceOwnerUserId()); 1716 if (doComponent == null) { 1717 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1718 } else { 1719 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1720 doComponent, 1721 mOwners.getDeviceOwnerName(), 1722 mOwners.getDeviceOwnerUserId(), 1723 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1724 mOwners.writeDeviceOwner(); 1725 if (VERBOSE_LOG) { 1726 Log.v(LOG_TAG, "Device owner component filled in"); 1727 } 1728 } 1729 } 1730 1731 /** 1732 * We didn't use to persist user restrictions for each owners but only persisted in user 1733 * manager. 1734 */ 1735 private void migrateUserRestrictionsIfNecessaryLocked() { 1736 boolean migrated = false; 1737 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1738 // except for the "system controlled" ones. 1739 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1740 if (VERBOSE_LOG) { 1741 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1742 } 1743 migrated = true; 1744 1745 // Migrate user 0 restrictions to DO. 1746 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1747 1748 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1749 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1750 1751 // Push DO user restrictions to user manager. 1752 pushUserRestrictions(UserHandle.USER_SYSTEM); 1753 1754 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1755 } 1756 1757 // Migrate for POs. 1758 1759 // The following restrictions can be set on secondary users by the device owner, so we 1760 // assume they're not from the PO. 1761 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1762 UserManager.DISALLOW_OUTGOING_CALLS, 1763 UserManager.DISALLOW_SMS); 1764 1765 for (UserInfo ui : mUserManager.getUsers()) { 1766 final int userId = ui.id; 1767 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1768 if (VERBOSE_LOG) { 1769 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1770 } 1771 migrated = true; 1772 1773 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1774 1775 final Set<String> exceptionList = 1776 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1777 1778 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1779 exceptionList, /* isDeviceOwner =*/ false); 1780 1781 // Note if a secondary user has no PO but has a DA that disables camera, we 1782 // don't get here and won't push the camera user restriction to UserManager 1783 // here. That's okay because we'll push user restrictions anyway when a user 1784 // starts. But we still do it because we want to let user manager persist 1785 // upon migration. 1786 pushUserRestrictions(userId); 1787 1788 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1789 } 1790 } 1791 if (VERBOSE_LOG && migrated) { 1792 Log.v(LOG_TAG, "User restrictions migrated."); 1793 } 1794 } 1795 1796 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1797 Set<String> exceptionList, boolean isDeviceOwner) { 1798 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1799 user.getIdentifier()); 1800 1801 final Bundle newBaseRestrictions = new Bundle(); 1802 final Bundle newOwnerRestrictions = new Bundle(); 1803 1804 for (String key : origRestrictions.keySet()) { 1805 if (!origRestrictions.getBoolean(key)) { 1806 continue; 1807 } 1808 final boolean canOwnerChange = isDeviceOwner 1809 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1810 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1811 1812 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1813 newBaseRestrictions.putBoolean(key, true); 1814 } else { 1815 newOwnerRestrictions.putBoolean(key, true); 1816 } 1817 } 1818 1819 if (VERBOSE_LOG) { 1820 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1821 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1822 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1823 } 1824 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1825 newBaseRestrictions); 1826 1827 if (admin != null) { 1828 admin.ensureUserRestrictions().clear(); 1829 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1830 } else { 1831 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1832 } 1833 saveSettingsLocked(user.getIdentifier()); 1834 } 1835 1836 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1837 final DevicePolicyData policy = getUserData(userId); 1838 final int n = policy.mAdminList.size(); 1839 ComponentName found = null; 1840 int nFound = 0; 1841 for (int i = 0; i < n; i++) { 1842 final ActiveAdmin admin = policy.mAdminList.get(i); 1843 if (packageName.equals(admin.info.getPackageName())) { 1844 // Found! 1845 if (nFound == 0) { 1846 found = admin.info.getComponent(); 1847 } 1848 nFound++; 1849 } 1850 } 1851 if (nFound > 1) { 1852 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1853 } 1854 return found; 1855 } 1856 1857 /** 1858 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1859 * reminders. Clears alarm if no expirations are configured. 1860 */ 1861 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 1862 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 1863 final long now = System.currentTimeMillis(); 1864 final long timeToExpire = expiration - now; 1865 final long alarmTime; 1866 if (expiration == 0) { 1867 // No expirations are currently configured: Cancel alarm. 1868 alarmTime = 0; 1869 } else if (timeToExpire <= 0) { 1870 // The password has already expired: Repeat every 24 hours. 1871 alarmTime = now + MS_PER_DAY; 1872 } else { 1873 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1874 // the expiration time. 1875 long alarmInterval = timeToExpire % MS_PER_DAY; 1876 if (alarmInterval == 0) { 1877 alarmInterval = MS_PER_DAY; 1878 } 1879 alarmTime = now + alarmInterval; 1880 } 1881 1882 long token = mInjector.binderClearCallingIdentity(); 1883 try { 1884 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 1885 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1886 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1887 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1888 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1889 UserHandle.of(affectedUserHandle)); 1890 am.cancel(pi); 1891 if (alarmTime != 0) { 1892 am.set(AlarmManager.RTC, alarmTime, pi); 1893 } 1894 } finally { 1895 mInjector.binderRestoreCallingIdentity(token); 1896 } 1897 } 1898 1899 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1900 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1901 if (admin != null 1902 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1903 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1904 return admin; 1905 } 1906 return null; 1907 } 1908 1909 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 1910 if (parent) { 1911 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 1912 } 1913 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1914 if (admin != null && parent) { 1915 admin = admin.getParentActiveAdmin(); 1916 } 1917 return admin; 1918 } 1919 1920 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1921 throws SecurityException { 1922 final int callingUid = mInjector.binderGetCallingUid(); 1923 1924 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1925 if (result != null) { 1926 return result; 1927 } 1928 1929 if (who != null) { 1930 final int userId = UserHandle.getUserId(callingUid); 1931 final DevicePolicyData policy = getUserData(userId); 1932 ActiveAdmin admin = policy.mAdminMap.get(who); 1933 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1934 throw new SecurityException("Admin " + admin.info.getComponent() 1935 + " does not own the device"); 1936 } 1937 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1938 throw new SecurityException("Admin " + admin.info.getComponent() 1939 + " does not own the profile"); 1940 } 1941 throw new SecurityException("Admin " + admin.info.getComponent() 1942 + " did not specify uses-policy for: " 1943 + admin.info.getTagForPolicy(reqPolicy)); 1944 } else { 1945 throw new SecurityException("No active admin owned by uid " 1946 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 1947 } 1948 } 1949 1950 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 1951 throws SecurityException { 1952 if (parent) { 1953 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 1954 "call APIs on the parent profile"); 1955 } 1956 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 1957 return parent ? admin.getParentActiveAdmin() : admin; 1958 } 1959 /** 1960 * Find the admin for the component and userId bit of the uid, then check 1961 * the admin's uid matches the uid. 1962 */ 1963 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 1964 final int userId = UserHandle.getUserId(uid); 1965 final DevicePolicyData policy = getUserData(userId); 1966 ActiveAdmin admin = policy.mAdminMap.get(who); 1967 if (admin == null) { 1968 throw new SecurityException("No active admin " + who); 1969 } 1970 if (admin.getUid() != uid) { 1971 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1972 } 1973 return admin; 1974 } 1975 1976 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1977 int uid) { 1978 // Try to find an admin which can use reqPolicy 1979 final int userId = UserHandle.getUserId(uid); 1980 final DevicePolicyData policy = getUserData(userId); 1981 if (who != null) { 1982 ActiveAdmin admin = policy.mAdminMap.get(who); 1983 if (admin == null) { 1984 throw new SecurityException("No active admin " + who); 1985 } 1986 if (admin.getUid() != uid) { 1987 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1988 } 1989 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1990 return admin; 1991 } 1992 } else { 1993 for (ActiveAdmin admin : policy.mAdminList) { 1994 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 1995 userId)) { 1996 return admin; 1997 } 1998 } 1999 } 2000 2001 return null; 2002 } 2003 2004 @VisibleForTesting 2005 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2006 int userId) { 2007 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2008 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2009 2010 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2011 return ownsDevice; 2012 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2013 // DO always has the PO power. 2014 return ownsDevice || ownsProfile; 2015 } else { 2016 return admin.info.usesPolicy(reqPolicy); 2017 } 2018 } 2019 2020 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2021 sendAdminCommandLocked(admin, action, null); 2022 } 2023 2024 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2025 sendAdminCommandLocked(admin, action, null, result); 2026 } 2027 2028 /** 2029 * Send an update to one specific admin, get notified when that admin returns a result. 2030 */ 2031 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2032 BroadcastReceiver result) { 2033 Intent intent = new Intent(action); 2034 intent.setComponent(admin.info.getComponent()); 2035 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2036 intent.putExtra("expiration", admin.passwordExpirationDate); 2037 } 2038 if (adminExtras != null) { 2039 intent.putExtras(adminExtras); 2040 } 2041 if (result != null) { 2042 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2043 null, result, mHandler, Activity.RESULT_OK, null, null); 2044 } else { 2045 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2046 } 2047 } 2048 2049 /** 2050 * Send an update to all admins of a user that enforce a specified policy. 2051 */ 2052 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 2053 final DevicePolicyData policy = getUserData(userHandle); 2054 final int count = policy.mAdminList.size(); 2055 if (count > 0) { 2056 for (int i = 0; i < count; i++) { 2057 final ActiveAdmin admin = policy.mAdminList.get(i); 2058 if (admin.info.usesPolicy(reqPolicy)) { 2059 sendAdminCommandLocked(admin, action); 2060 } 2061 } 2062 } 2063 } 2064 2065 /** 2066 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2067 * enforce a specified policy. 2068 */ 2069 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2070 int userHandle) { 2071 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2072 for (int profileId : profileIds) { 2073 sendAdminCommandLocked(action, reqPolicy, profileId); 2074 } 2075 } 2076 2077 /** 2078 * Sends a broadcast to each profile that share the password unlock with the given user id. 2079 */ 2080 private void sendAdminCommandForLockscreenPoliciesLocked( 2081 String action, int reqPolicy, int userHandle) { 2082 if (isSeparateProfileChallengeEnabled(userHandle)) { 2083 sendAdminCommandLocked(action, reqPolicy, userHandle); 2084 } else { 2085 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 2086 } 2087 } 2088 2089 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2090 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2091 if (admin != null) { 2092 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 2093 sendAdminCommandLocked(admin, 2094 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2095 new BroadcastReceiver() { 2096 @Override 2097 public void onReceive(Context context, Intent intent) { 2098 removeAdminArtifacts(adminReceiver, userHandle); 2099 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2100 } 2101 }); 2102 } 2103 } 2104 2105 2106 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2107 boolean throwForMissiongPermission) { 2108 if (!mHasFeature) { 2109 return null; 2110 } 2111 enforceFullCrossUsersPermission(userHandle); 2112 ActivityInfo ai = null; 2113 try { 2114 ai = mIPackageManager.getReceiverInfo(adminName, 2115 PackageManager.GET_META_DATA | 2116 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2117 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2118 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2119 } catch (RemoteException e) { 2120 // shouldn't happen. 2121 } 2122 if (ai == null) { 2123 throw new IllegalArgumentException("Unknown admin: " + adminName); 2124 } 2125 2126 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2127 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2128 + permission.BIND_DEVICE_ADMIN; 2129 Slog.w(LOG_TAG, message); 2130 if (throwForMissiongPermission && 2131 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2132 throw new IllegalArgumentException(message); 2133 } 2134 } 2135 2136 try { 2137 return new DeviceAdminInfo(mContext, ai); 2138 } catch (XmlPullParserException | IOException e) { 2139 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2140 e); 2141 return null; 2142 } 2143 } 2144 2145 private JournaledFile makeJournaledFile(int userHandle) { 2146 final String base = userHandle == UserHandle.USER_SYSTEM 2147 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2148 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2149 DEVICE_POLICIES_XML).getAbsolutePath(); 2150 if (VERBOSE_LOG) { 2151 Log.v(LOG_TAG, "Opening " + base); 2152 } 2153 return new JournaledFile(new File(base), new File(base + ".tmp")); 2154 } 2155 2156 private void saveSettingsLocked(int userHandle) { 2157 DevicePolicyData policy = getUserData(userHandle); 2158 JournaledFile journal = makeJournaledFile(userHandle); 2159 FileOutputStream stream = null; 2160 try { 2161 stream = new FileOutputStream(journal.chooseForWrite(), false); 2162 XmlSerializer out = new FastXmlSerializer(); 2163 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2164 out.startDocument(null, true); 2165 2166 out.startTag(null, "policies"); 2167 if (policy.mRestrictionsProvider != null) { 2168 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2169 policy.mRestrictionsProvider.flattenToString()); 2170 } 2171 if (policy.mUserSetupComplete) { 2172 out.attribute(null, ATTR_SETUP_COMPLETE, 2173 Boolean.toString(true)); 2174 } 2175 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2176 out.attribute(null, ATTR_PROVISIONING_STATE, 2177 Integer.toString(policy.mUserProvisioningState)); 2178 } 2179 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2180 out.attribute(null, ATTR_PERMISSION_POLICY, 2181 Integer.toString(policy.mPermissionPolicy)); 2182 } 2183 if (policy.mDelegatedCertInstallerPackage != null) { 2184 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2185 policy.mDelegatedCertInstallerPackage); 2186 } 2187 if (policy.mApplicationRestrictionsManagingPackage != null) { 2188 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2189 policy.mApplicationRestrictionsManagingPackage); 2190 } 2191 2192 final int N = policy.mAdminList.size(); 2193 for (int i=0; i<N; i++) { 2194 ActiveAdmin ap = policy.mAdminList.get(i); 2195 if (ap != null) { 2196 out.startTag(null, "admin"); 2197 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2198 ap.writeToXml(out); 2199 out.endTag(null, "admin"); 2200 } 2201 } 2202 2203 if (policy.mPasswordOwner >= 0) { 2204 out.startTag(null, "password-owner"); 2205 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2206 out.endTag(null, "password-owner"); 2207 } 2208 2209 if (policy.mFailedPasswordAttempts != 0) { 2210 out.startTag(null, "failed-password-attempts"); 2211 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2212 out.endTag(null, "failed-password-attempts"); 2213 } 2214 2215 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 2216 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 2217 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 2218 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 2219 out.startTag(null, "active-password"); 2220 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 2221 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 2222 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 2223 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 2224 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 2225 out.attribute(null, "numeric", Integer 2226 .toString(policy.mActivePasswordNumeric)); 2227 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 2228 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 2229 out.endTag(null, "active-password"); 2230 } 2231 2232 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2233 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2234 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2235 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2236 } 2237 2238 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2239 String component = policy.mLockTaskPackages.get(i); 2240 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2241 out.attribute(null, "name", component); 2242 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2243 } 2244 2245 if (policy.mStatusBarDisabled) { 2246 out.startTag(null, TAG_STATUS_BAR); 2247 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2248 out.endTag(null, TAG_STATUS_BAR); 2249 } 2250 2251 if (policy.doNotAskCredentialsOnBoot) { 2252 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2253 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2254 } 2255 2256 for (String id : policy.mAffiliationIds) { 2257 out.startTag(null, TAG_AFFILIATION_ID); 2258 out.attribute(null, "id", id); 2259 out.endTag(null, TAG_AFFILIATION_ID); 2260 } 2261 2262 if (policy.mAdminBroadcastPending) { 2263 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2264 out.attribute(null, ATTR_VALUE, 2265 Boolean.toString(policy.mAdminBroadcastPending)); 2266 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2267 } 2268 2269 if (policy.mInitBundle != null) { 2270 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2271 policy.mInitBundle.saveToXml(out); 2272 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2273 } 2274 2275 out.endTag(null, "policies"); 2276 2277 out.endDocument(); 2278 stream.flush(); 2279 FileUtils.sync(stream); 2280 stream.close(); 2281 journal.commit(); 2282 sendChangedNotification(userHandle); 2283 } catch (XmlPullParserException | IOException e) { 2284 Slog.w(LOG_TAG, "failed writing file", e); 2285 try { 2286 if (stream != null) { 2287 stream.close(); 2288 } 2289 } catch (IOException ex) { 2290 // Ignore 2291 } 2292 journal.rollback(); 2293 } 2294 } 2295 2296 private void sendChangedNotification(int userHandle) { 2297 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2298 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2299 long ident = mInjector.binderClearCallingIdentity(); 2300 try { 2301 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2302 } finally { 2303 mInjector.binderRestoreCallingIdentity(ident); 2304 } 2305 } 2306 2307 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2308 JournaledFile journal = makeJournaledFile(userHandle); 2309 FileInputStream stream = null; 2310 File file = journal.chooseForRead(); 2311 try { 2312 stream = new FileInputStream(file); 2313 XmlPullParser parser = Xml.newPullParser(); 2314 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2315 2316 int type; 2317 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2318 && type != XmlPullParser.START_TAG) { 2319 } 2320 String tag = parser.getName(); 2321 if (!"policies".equals(tag)) { 2322 throw new XmlPullParserException( 2323 "Settings do not start with policies tag: found " + tag); 2324 } 2325 2326 // Extract the permission provider component name if available 2327 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2328 if (permissionProvider != null) { 2329 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2330 } 2331 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2332 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2333 policy.mUserSetupComplete = true; 2334 } 2335 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2336 if (!TextUtils.isEmpty(provisioningState)) { 2337 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2338 } 2339 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2340 if (!TextUtils.isEmpty(permissionPolicy)) { 2341 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2342 } 2343 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2344 ATTR_DELEGATED_CERT_INSTALLER); 2345 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2346 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2347 2348 type = parser.next(); 2349 int outerDepth = parser.getDepth(); 2350 policy.mLockTaskPackages.clear(); 2351 policy.mAdminList.clear(); 2352 policy.mAdminMap.clear(); 2353 policy.mAffiliationIds.clear(); 2354 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2355 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2356 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2357 continue; 2358 } 2359 tag = parser.getName(); 2360 if ("admin".equals(tag)) { 2361 String name = parser.getAttributeValue(null, "name"); 2362 try { 2363 DeviceAdminInfo dai = findAdmin( 2364 ComponentName.unflattenFromString(name), userHandle, 2365 /* throwForMissionPermission= */ false); 2366 if (VERBOSE_LOG 2367 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2368 != userHandle)) { 2369 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2370 + dai.getActivityInfo().applicationInfo.uid + " for user " 2371 + userHandle); 2372 } 2373 if (dai != null) { 2374 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2375 ap.readFromXml(parser); 2376 policy.mAdminMap.put(ap.info.getComponent(), ap); 2377 } 2378 } catch (RuntimeException e) { 2379 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2380 } 2381 } else if ("failed-password-attempts".equals(tag)) { 2382 policy.mFailedPasswordAttempts = Integer.parseInt( 2383 parser.getAttributeValue(null, "value")); 2384 } else if ("password-owner".equals(tag)) { 2385 policy.mPasswordOwner = Integer.parseInt( 2386 parser.getAttributeValue(null, "value")); 2387 } else if ("active-password".equals(tag)) { 2388 policy.mActivePasswordQuality = Integer.parseInt( 2389 parser.getAttributeValue(null, "quality")); 2390 policy.mActivePasswordLength = Integer.parseInt( 2391 parser.getAttributeValue(null, "length")); 2392 policy.mActivePasswordUpperCase = Integer.parseInt( 2393 parser.getAttributeValue(null, "uppercase")); 2394 policy.mActivePasswordLowerCase = Integer.parseInt( 2395 parser.getAttributeValue(null, "lowercase")); 2396 policy.mActivePasswordLetters = Integer.parseInt( 2397 parser.getAttributeValue(null, "letters")); 2398 policy.mActivePasswordNumeric = Integer.parseInt( 2399 parser.getAttributeValue(null, "numeric")); 2400 policy.mActivePasswordSymbols = Integer.parseInt( 2401 parser.getAttributeValue(null, "symbols")); 2402 policy.mActivePasswordNonLetter = Integer.parseInt( 2403 parser.getAttributeValue(null, "nonletter")); 2404 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2405 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2406 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2407 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2408 } else if (TAG_STATUS_BAR.equals(tag)) { 2409 policy.mStatusBarDisabled = Boolean.parseBoolean( 2410 parser.getAttributeValue(null, ATTR_DISABLED)); 2411 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2412 policy.doNotAskCredentialsOnBoot = true; 2413 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2414 policy.mAffiliationIds.add(parser.getAttributeValue(null, "id")); 2415 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2416 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2417 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2418 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2419 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2420 } else { 2421 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2422 XmlUtils.skipCurrentTag(parser); 2423 } 2424 } 2425 } catch (FileNotFoundException e) { 2426 // Don't be noisy, this is normal if we haven't defined any policies. 2427 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2428 | IndexOutOfBoundsException e) { 2429 Slog.w(LOG_TAG, "failed parsing " + file, e); 2430 } 2431 try { 2432 if (stream != null) { 2433 stream.close(); 2434 } 2435 } catch (IOException e) { 2436 // Ignore 2437 } 2438 2439 // Generate a list of admins from the admin map 2440 policy.mAdminList.addAll(policy.mAdminMap.values()); 2441 2442 // Validate that what we stored for the password quality matches 2443 // sufficiently what is currently set. Note that this is only 2444 // a sanity check in case the two get out of sync; this should 2445 // never normally happen. 2446 final long identity = mInjector.binderClearCallingIdentity(); 2447 try { 2448 int actualPasswordQuality = mLockPatternUtils.getActivePasswordQuality(userHandle); 2449 if (actualPasswordQuality < policy.mActivePasswordQuality) { 2450 Slog.w(LOG_TAG, "Active password quality 0x" 2451 + Integer.toHexString(policy.mActivePasswordQuality) 2452 + " does not match actual quality 0x" 2453 + Integer.toHexString(actualPasswordQuality)); 2454 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2455 policy.mActivePasswordLength = 0; 2456 policy.mActivePasswordUpperCase = 0; 2457 policy.mActivePasswordLowerCase = 0; 2458 policy.mActivePasswordLetters = 0; 2459 policy.mActivePasswordNumeric = 0; 2460 policy.mActivePasswordSymbols = 0; 2461 policy.mActivePasswordNonLetter = 0; 2462 } 2463 } finally { 2464 mInjector.binderRestoreCallingIdentity(identity); 2465 } 2466 2467 validatePasswordOwnerLocked(policy); 2468 updateMaximumTimeToLockLocked(userHandle); 2469 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2470 if (policy.mStatusBarDisabled) { 2471 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2472 } 2473 } 2474 2475 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2476 long ident = mInjector.binderClearCallingIdentity(); 2477 try { 2478 mInjector.getIActivityManager() 2479 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2480 } catch (RemoteException e) { 2481 // Not gonna happen. 2482 } finally { 2483 mInjector.binderRestoreCallingIdentity(ident); 2484 } 2485 } 2486 2487 private void updateDeviceOwnerLocked() { 2488 long ident = mInjector.binderClearCallingIdentity(); 2489 try { 2490 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2491 // user id and also protect all other DAs too. 2492 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2493 if (deviceOwnerComponent != null) { 2494 mInjector.getIActivityManager() 2495 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2496 } 2497 } catch (RemoteException e) { 2498 // Not gonna happen. 2499 } finally { 2500 mInjector.binderRestoreCallingIdentity(ident); 2501 } 2502 } 2503 2504 static void validateQualityConstant(int quality) { 2505 switch (quality) { 2506 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2507 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2508 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2509 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2510 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2511 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2512 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2513 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2514 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2515 return; 2516 } 2517 throw new IllegalArgumentException("Invalid quality constant: 0x" 2518 + Integer.toHexString(quality)); 2519 } 2520 2521 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2522 if (policy.mPasswordOwner >= 0) { 2523 boolean haveOwner = false; 2524 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2525 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2526 haveOwner = true; 2527 break; 2528 } 2529 } 2530 if (!haveOwner) { 2531 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2532 + " no longer active; disabling"); 2533 policy.mPasswordOwner = -1; 2534 } 2535 } 2536 } 2537 2538 @VisibleForTesting 2539 void systemReady(int phase) { 2540 if (!mHasFeature) { 2541 return; 2542 } 2543 switch (phase) { 2544 case SystemService.PHASE_LOCK_SETTINGS_READY: 2545 onLockSettingsReady(); 2546 break; 2547 case SystemService.PHASE_BOOT_COMPLETED: 2548 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2549 break; 2550 } 2551 } 2552 2553 private void onLockSettingsReady() { 2554 getUserData(UserHandle.USER_SYSTEM); 2555 loadOwners(); 2556 cleanUpOldUsers(); 2557 2558 onStartUser(UserHandle.USER_SYSTEM); 2559 2560 // Register an observer for watching for user setup complete. 2561 new SetupContentObserver(mHandler).register(); 2562 // Initialize the user setup state, to handle the upgrade case. 2563 updateUserSetupComplete(); 2564 2565 List<String> packageList; 2566 synchronized (this) { 2567 packageList = getKeepUninstalledPackagesLocked(); 2568 } 2569 if (packageList != null) { 2570 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2571 } 2572 2573 synchronized (this) { 2574 // push the force-ephemeral-users policy to the user manager. 2575 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2576 if (deviceOwner != null) { 2577 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2578 } 2579 } 2580 } 2581 2582 private void ensureDeviceOwnerUserStarted() { 2583 final int userId; 2584 synchronized (this) { 2585 if (!mOwners.hasDeviceOwner()) { 2586 return; 2587 } 2588 userId = mOwners.getDeviceOwnerUserId(); 2589 } 2590 if (VERBOSE_LOG) { 2591 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2592 } 2593 if (userId != UserHandle.USER_SYSTEM) { 2594 try { 2595 mInjector.getIActivityManager().startUserInBackground(userId); 2596 2597 // STOPSHIP Prevent the DO user from being killed. 2598 2599 } catch (RemoteException e) { 2600 Slog.w(LOG_TAG, "Exception starting user", e); 2601 } 2602 } 2603 } 2604 2605 private void onStartUser(int userId) { 2606 updateScreenCaptureDisabledInWindowManager(userId, 2607 getScreenCaptureDisabled(null, userId)); 2608 pushUserRestrictions(userId); 2609 } 2610 2611 private void cleanUpOldUsers() { 2612 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2613 // before reboot 2614 Set<Integer> usersWithProfileOwners; 2615 Set<Integer> usersWithData; 2616 synchronized(this) { 2617 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2618 usersWithData = new ArraySet<>(); 2619 for (int i = 0; i < mUserData.size(); i++) { 2620 usersWithData.add(mUserData.keyAt(i)); 2621 } 2622 } 2623 List<UserInfo> allUsers = mUserManager.getUsers(); 2624 2625 Set<Integer> deletedUsers = new ArraySet<>(); 2626 deletedUsers.addAll(usersWithProfileOwners); 2627 deletedUsers.addAll(usersWithData); 2628 for (UserInfo userInfo : allUsers) { 2629 deletedUsers.remove(userInfo.id); 2630 } 2631 for (Integer userId : deletedUsers) { 2632 removeUserData(userId); 2633 } 2634 } 2635 2636 private void handlePasswordExpirationNotification(int userHandle) { 2637 synchronized (this) { 2638 final long now = System.currentTimeMillis(); 2639 2640 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2641 userHandle, /* parent */ false); 2642 final int N = admins.size(); 2643 for (int i = 0; i < N; i++) { 2644 ActiveAdmin admin = admins.get(i); 2645 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2646 && admin.passwordExpirationTimeout > 0L 2647 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2648 && admin.passwordExpirationDate > 0L) { 2649 sendAdminCommandLocked(admin, 2650 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2651 } 2652 } 2653 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2654 } 2655 } 2656 2657 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2658 @Override 2659 protected Void doInBackground(Integer... params) { 2660 int userHandle = params[0]; 2661 2662 if (userHandle == UserHandle.USER_ALL) { 2663 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2664 manageNotification(userInfo.getUserHandle()); 2665 } 2666 } else { 2667 manageNotification(UserHandle.of(userHandle)); 2668 } 2669 return null; 2670 } 2671 2672 private void manageNotification(UserHandle userHandle) { 2673 if (!mUserManager.isUserUnlocked(userHandle)) { 2674 return; 2675 } 2676 2677 // Call out to KeyChain to check for CAs which are waiting for approval. 2678 final List<String> pendingCertificates; 2679 try { 2680 pendingCertificates = getInstalledCaCertificates(userHandle); 2681 } catch (RemoteException | RuntimeException e) { 2682 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2683 return; 2684 } 2685 2686 synchronized (DevicePolicyManagerService.this) { 2687 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2688 2689 // Remove deleted certificates. Flush xml if necessary. 2690 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2691 saveSettingsLocked(userHandle.getIdentifier()); 2692 } 2693 // Trim to approved certificates. 2694 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2695 } 2696 2697 if (pendingCertificates.isEmpty()) { 2698 mInjector.getNotificationManager().cancelAsUser( 2699 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2700 return; 2701 } 2702 2703 // Build and show a warning notification 2704 int smallIconId; 2705 String contentText; 2706 int parentUserId = userHandle.getIdentifier(); 2707 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2708 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2709 getProfileOwnerName(userHandle.getIdentifier())); 2710 smallIconId = R.drawable.stat_sys_certificate_info; 2711 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2712 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2713 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2714 getDeviceOwnerName()); 2715 smallIconId = R.drawable.stat_sys_certificate_info; 2716 } else { 2717 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2718 smallIconId = android.R.drawable.stat_sys_warning; 2719 } 2720 2721 final int numberOfCertificates = pendingCertificates.size(); 2722 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2723 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2724 dialogIntent.setPackage("com.android.settings"); 2725 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 2726 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 2727 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2728 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 2729 new UserHandle(parentUserId)); 2730 2731 final Context userContext; 2732 try { 2733 final String packageName = mContext.getPackageName(); 2734 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 2735 } catch (PackageManager.NameNotFoundException e) { 2736 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2737 return; 2738 } 2739 final Notification noti = new Notification.Builder(userContext) 2740 .setSmallIcon(smallIconId) 2741 .setContentTitle(mContext.getResources().getQuantityText( 2742 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 2743 .setContentText(contentText) 2744 .setContentIntent(notifyIntent) 2745 .setPriority(Notification.PRIORITY_HIGH) 2746 .setShowWhen(false) 2747 .setColor(mContext.getColor( 2748 com.android.internal.R.color.system_notification_accent_color)) 2749 .build(); 2750 2751 mInjector.getNotificationManager().notifyAsUser( 2752 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2753 } 2754 2755 private List<String> getInstalledCaCertificates(UserHandle userHandle) 2756 throws RemoteException, RuntimeException { 2757 KeyChainConnection conn = null; 2758 try { 2759 conn = KeyChain.bindAsUser(mContext, userHandle); 2760 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 2761 List<String> result = new ArrayList<>(aliases.size()); 2762 for (int i = 0; i < aliases.size(); i++) { 2763 result.add(aliases.get(i).string); 2764 } 2765 return result; 2766 } catch (InterruptedException e) { 2767 Thread.currentThread().interrupt(); 2768 return null; 2769 } catch (AssertionError e) { 2770 throw new RuntimeException(e); 2771 } finally { 2772 if (conn != null) { 2773 conn.close(); 2774 } 2775 } 2776 } 2777 } 2778 2779 /** 2780 * @param adminReceiver The admin to add 2781 * @param refreshing true = update an active admin, no error 2782 */ 2783 @Override 2784 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2785 if (!mHasFeature) { 2786 return; 2787 } 2788 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2789 } 2790 2791 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2792 Bundle onEnableData) { 2793 mContext.enforceCallingOrSelfPermission( 2794 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2795 enforceFullCrossUsersPermission(userHandle); 2796 2797 DevicePolicyData policy = getUserData(userHandle); 2798 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2799 /* throwForMissionPermission= */ true); 2800 if (info == null) { 2801 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2802 } 2803 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2804 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 2805 + adminReceiver); 2806 } 2807 synchronized (this) { 2808 long ident = mInjector.binderClearCallingIdentity(); 2809 try { 2810 if (!refreshing 2811 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 2812 throw new IllegalArgumentException("Admin is already added"); 2813 } 2814 if (policy.mRemovingAdmins.contains(adminReceiver)) { 2815 throw new IllegalArgumentException( 2816 "Trying to set an admin which is being removed"); 2817 } 2818 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2819 policy.mAdminMap.put(adminReceiver, newAdmin); 2820 int replaceIndex = -1; 2821 final int N = policy.mAdminList.size(); 2822 for (int i=0; i < N; i++) { 2823 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2824 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2825 replaceIndex = i; 2826 break; 2827 } 2828 } 2829 if (replaceIndex == -1) { 2830 policy.mAdminList.add(newAdmin); 2831 enableIfNecessary(info.getPackageName(), userHandle); 2832 } else { 2833 policy.mAdminList.set(replaceIndex, newAdmin); 2834 } 2835 saveSettingsLocked(userHandle); 2836 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2837 onEnableData, null); 2838 } finally { 2839 mInjector.binderRestoreCallingIdentity(ident); 2840 } 2841 } 2842 } 2843 2844 @Override 2845 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2846 if (!mHasFeature) { 2847 return false; 2848 } 2849 enforceFullCrossUsersPermission(userHandle); 2850 synchronized (this) { 2851 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2852 } 2853 } 2854 2855 @Override 2856 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2857 if (!mHasFeature) { 2858 return false; 2859 } 2860 enforceFullCrossUsersPermission(userHandle); 2861 synchronized (this) { 2862 DevicePolicyData policyData = getUserData(userHandle); 2863 return policyData.mRemovingAdmins.contains(adminReceiver); 2864 } 2865 } 2866 2867 @Override 2868 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2869 if (!mHasFeature) { 2870 return false; 2871 } 2872 enforceFullCrossUsersPermission(userHandle); 2873 synchronized (this) { 2874 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2875 if (administrator == null) { 2876 throw new SecurityException("No active admin " + adminReceiver); 2877 } 2878 return administrator.info.usesPolicy(policyId); 2879 } 2880 } 2881 2882 @Override 2883 @SuppressWarnings("unchecked") 2884 public List<ComponentName> getActiveAdmins(int userHandle) { 2885 if (!mHasFeature) { 2886 return Collections.EMPTY_LIST; 2887 } 2888 2889 enforceFullCrossUsersPermission(userHandle); 2890 synchronized (this) { 2891 DevicePolicyData policy = getUserData(userHandle); 2892 final int N = policy.mAdminList.size(); 2893 if (N <= 0) { 2894 return null; 2895 } 2896 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2897 for (int i=0; i<N; i++) { 2898 res.add(policy.mAdminList.get(i).info.getComponent()); 2899 } 2900 return res; 2901 } 2902 } 2903 2904 @Override 2905 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2906 if (!mHasFeature) { 2907 return false; 2908 } 2909 enforceFullCrossUsersPermission(userHandle); 2910 synchronized (this) { 2911 DevicePolicyData policy = getUserData(userHandle); 2912 final int N = policy.mAdminList.size(); 2913 for (int i=0; i<N; i++) { 2914 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2915 return true; 2916 } 2917 } 2918 return false; 2919 } 2920 } 2921 2922 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 2923 if (!mHasFeature) { 2924 return; 2925 } 2926 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 2927 enforceShell("forceRemoveActiveAdmin"); 2928 long ident = mInjector.binderClearCallingIdentity(); 2929 try { 2930 final ApplicationInfo ai; 2931 try { 2932 ai = mIPackageManager.getApplicationInfo(adminReceiver.getPackageName(), 2933 0, userHandle); 2934 } catch (RemoteException e) { 2935 throw new IllegalStateException(e); 2936 } 2937 if (ai == null) { 2938 throw new IllegalStateException("Couldn't find package to remove admin " 2939 + adminReceiver.getPackageName() + " " + userHandle); 2940 } 2941 if ((ai.flags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 2942 throw new SecurityException("Attempt to remove non-test admin " + adminReceiver 2943 + adminReceiver + " " + userHandle); 2944 } 2945 // If admin is a device or profile owner tidy that up first. 2946 synchronized (this) { 2947 if (isDeviceOwner(adminReceiver, userHandle)) { 2948 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 2949 } 2950 if (isProfileOwner(adminReceiver, userHandle)) { 2951 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 2952 userHandle, /* parent */ false); 2953 clearProfileOwnerLocked(admin, userHandle); 2954 } 2955 } 2956 // Remove the admin skipping sending the broadcast. 2957 removeAdminArtifacts(adminReceiver, userHandle); 2958 } finally { 2959 mInjector.binderRestoreCallingIdentity(ident); 2960 } 2961 } 2962 2963 private void enforceShell(String method) { 2964 final int callingUid = Binder.getCallingUid(); 2965 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 2966 throw new SecurityException("Non-shell user attempted to call " + method); 2967 } 2968 } 2969 2970 @Override 2971 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2972 if (!mHasFeature) { 2973 return; 2974 } 2975 enforceFullCrossUsersPermission(userHandle); 2976 enforceUserUnlocked(userHandle); 2977 synchronized (this) { 2978 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2979 if (admin == null) { 2980 return; 2981 } 2982 // Active device/profile owners must remain active admins. 2983 if (isDeviceOwner(adminReceiver, userHandle) 2984 || isProfileOwner(adminReceiver, userHandle)) { 2985 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 2986 adminReceiver); 2987 return; 2988 } 2989 if (admin.getUid() != mInjector.binderGetCallingUid()) { 2990 mContext.enforceCallingOrSelfPermission( 2991 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2992 } 2993 long ident = mInjector.binderClearCallingIdentity(); 2994 try { 2995 removeActiveAdminLocked(adminReceiver, userHandle); 2996 } finally { 2997 mInjector.binderRestoreCallingIdentity(ident); 2998 } 2999 } 3000 } 3001 3002 @Override 3003 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3004 ComponentName profileOwner = getProfileOwner(userHandle); 3005 // Profile challenge is supported on N or newer release. 3006 return profileOwner != null && 3007 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3008 } 3009 3010 @Override 3011 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3012 if (!mHasFeature) { 3013 return; 3014 } 3015 Preconditions.checkNotNull(who, "ComponentName is null"); 3016 validateQualityConstant(quality); 3017 3018 synchronized (this) { 3019 ActiveAdmin ap = getActiveAdminForCallerLocked( 3020 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3021 if (ap.passwordQuality != quality) { 3022 ap.passwordQuality = quality; 3023 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3024 } 3025 } 3026 } 3027 3028 @Override 3029 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3030 if (!mHasFeature) { 3031 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3032 } 3033 enforceFullCrossUsersPermission(userHandle); 3034 synchronized (this) { 3035 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3036 3037 if (who != null) { 3038 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3039 return admin != null ? admin.passwordQuality : mode; 3040 } 3041 3042 // Return the strictest policy across all participating admins. 3043 List<ActiveAdmin> admins = 3044 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3045 final int N = admins.size(); 3046 for (int i = 0; i < N; i++) { 3047 ActiveAdmin admin = admins.get(i); 3048 if (mode < admin.passwordQuality) { 3049 mode = admin.passwordQuality; 3050 } 3051 } 3052 return mode; 3053 } 3054 } 3055 3056 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3057 int userHandle, boolean parent) { 3058 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3059 // If this user has a separate challenge, only return its restrictions. 3060 return getUserDataUnchecked(userHandle).mAdminList; 3061 } else { 3062 // Return all admins for this user and the profiles that are visible from this 3063 // user that do not use a separate work challenge. 3064 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3065 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3066 DevicePolicyData policy = getUserData(userInfo.id); 3067 if (!userInfo.isManagedProfile()) { 3068 admins.addAll(policy.mAdminList); 3069 } else { 3070 // For managed profiles, we always include the policies set on the parent 3071 // profile. Additionally, we include the ones set on the managed profile 3072 // if no separate challenge is in place. 3073 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3074 final int N = policy.mAdminList.size(); 3075 for (int i = 0; i < N; i++) { 3076 ActiveAdmin admin = policy.mAdminList.get(i); 3077 if (admin.hasParentActiveAdmin()) { 3078 admins.add(admin.getParentActiveAdmin()); 3079 } 3080 if (!hasSeparateChallenge) { 3081 admins.add(admin); 3082 } 3083 } 3084 } 3085 } 3086 return admins; 3087 } 3088 } 3089 3090 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3091 long ident = mInjector.binderClearCallingIdentity(); 3092 try { 3093 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3094 } finally { 3095 mInjector.binderRestoreCallingIdentity(ident); 3096 } 3097 } 3098 3099 @Override 3100 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3101 if (!mHasFeature) { 3102 return; 3103 } 3104 Preconditions.checkNotNull(who, "ComponentName is null"); 3105 synchronized (this) { 3106 ActiveAdmin ap = getActiveAdminForCallerLocked( 3107 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3108 if (ap.minimumPasswordLength != length) { 3109 ap.minimumPasswordLength = length; 3110 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3111 } 3112 } 3113 } 3114 3115 @Override 3116 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3117 if (!mHasFeature) { 3118 return 0; 3119 } 3120 enforceFullCrossUsersPermission(userHandle); 3121 synchronized (this) { 3122 int length = 0; 3123 3124 if (who != null) { 3125 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3126 return admin != null ? admin.minimumPasswordLength : length; 3127 } 3128 3129 // Return the strictest policy across all participating admins. 3130 List<ActiveAdmin> admins = 3131 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3132 final int N = admins.size(); 3133 for (int i = 0; i < N; i++) { 3134 ActiveAdmin admin = admins.get(i); 3135 if (length < admin.minimumPasswordLength) { 3136 length = admin.minimumPasswordLength; 3137 } 3138 } 3139 return length; 3140 } 3141 } 3142 3143 @Override 3144 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3145 if (!mHasFeature) { 3146 return; 3147 } 3148 Preconditions.checkNotNull(who, "ComponentName is null"); 3149 synchronized (this) { 3150 ActiveAdmin ap = getActiveAdminForCallerLocked( 3151 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3152 if (ap.passwordHistoryLength != length) { 3153 ap.passwordHistoryLength = length; 3154 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3155 } 3156 } 3157 } 3158 3159 @Override 3160 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3161 if (!mHasFeature) { 3162 return 0; 3163 } 3164 enforceFullCrossUsersPermission(userHandle); 3165 synchronized (this) { 3166 int length = 0; 3167 3168 if (who != null) { 3169 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3170 return admin != null ? admin.passwordHistoryLength : length; 3171 } 3172 3173 // Return the strictest policy across all participating admins. 3174 List<ActiveAdmin> admins = 3175 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3176 final int N = admins.size(); 3177 for (int i = 0; i < N; i++) { 3178 ActiveAdmin admin = admins.get(i); 3179 if (length < admin.passwordHistoryLength) { 3180 length = admin.passwordHistoryLength; 3181 } 3182 } 3183 3184 return length; 3185 } 3186 } 3187 3188 @Override 3189 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3190 if (!mHasFeature) { 3191 return; 3192 } 3193 Preconditions.checkNotNull(who, "ComponentName is null"); 3194 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3195 final int userHandle = mInjector.userHandleGetCallingUserId(); 3196 synchronized (this) { 3197 ActiveAdmin ap = getActiveAdminForCallerLocked( 3198 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3199 // Calling this API automatically bumps the expiration date 3200 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3201 ap.passwordExpirationDate = expiration; 3202 ap.passwordExpirationTimeout = timeout; 3203 if (timeout > 0L) { 3204 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3205 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3206 .format(new Date(expiration))); 3207 } 3208 saveSettingsLocked(userHandle); 3209 3210 // in case this is the first one, set the alarm on the appropriate user. 3211 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3212 } 3213 } 3214 3215 /** 3216 * Return a single admin's expiration cycle time, or the min of all cycle times. 3217 * Returns 0 if not configured. 3218 */ 3219 @Override 3220 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3221 if (!mHasFeature) { 3222 return 0L; 3223 } 3224 enforceFullCrossUsersPermission(userHandle); 3225 synchronized (this) { 3226 long timeout = 0L; 3227 3228 if (who != null) { 3229 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3230 return admin != null ? admin.passwordExpirationTimeout : timeout; 3231 } 3232 3233 // Return the strictest policy across all participating admins. 3234 List<ActiveAdmin> admins = 3235 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3236 final int N = admins.size(); 3237 for (int i = 0; i < N; i++) { 3238 ActiveAdmin admin = admins.get(i); 3239 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3240 && timeout > admin.passwordExpirationTimeout)) { 3241 timeout = admin.passwordExpirationTimeout; 3242 } 3243 } 3244 return timeout; 3245 } 3246 } 3247 3248 @Override 3249 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3250 final int userId = UserHandle.getCallingUserId(); 3251 List<String> changedProviders = null; 3252 3253 synchronized (this) { 3254 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3255 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3256 if (activeAdmin.crossProfileWidgetProviders == null) { 3257 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3258 } 3259 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3260 if (!providers.contains(packageName)) { 3261 providers.add(packageName); 3262 changedProviders = new ArrayList<>(providers); 3263 saveSettingsLocked(userId); 3264 } 3265 } 3266 3267 if (changedProviders != null) { 3268 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3269 return true; 3270 } 3271 3272 return false; 3273 } 3274 3275 @Override 3276 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3277 final int userId = UserHandle.getCallingUserId(); 3278 List<String> changedProviders = null; 3279 3280 synchronized (this) { 3281 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3282 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3283 if (activeAdmin.crossProfileWidgetProviders == null) { 3284 return false; 3285 } 3286 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3287 if (providers.remove(packageName)) { 3288 changedProviders = new ArrayList<>(providers); 3289 saveSettingsLocked(userId); 3290 } 3291 } 3292 3293 if (changedProviders != null) { 3294 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3295 return true; 3296 } 3297 3298 return false; 3299 } 3300 3301 @Override 3302 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3303 synchronized (this) { 3304 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3305 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3306 if (activeAdmin.crossProfileWidgetProviders == null 3307 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3308 return null; 3309 } 3310 if (mInjector.binderIsCallingUidMyUid()) { 3311 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3312 } else { 3313 return activeAdmin.crossProfileWidgetProviders; 3314 } 3315 } 3316 } 3317 3318 /** 3319 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3320 * Returns 0 if not configured. 3321 */ 3322 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3323 long timeout = 0L; 3324 3325 if (who != null) { 3326 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3327 return admin != null ? admin.passwordExpirationDate : timeout; 3328 } 3329 3330 // Return the strictest policy across all participating admins. 3331 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3332 final int N = admins.size(); 3333 for (int i = 0; i < N; i++) { 3334 ActiveAdmin admin = admins.get(i); 3335 if (timeout == 0L || (admin.passwordExpirationDate != 0 3336 && timeout > admin.passwordExpirationDate)) { 3337 timeout = admin.passwordExpirationDate; 3338 } 3339 } 3340 return timeout; 3341 } 3342 3343 @Override 3344 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3345 if (!mHasFeature) { 3346 return 0L; 3347 } 3348 enforceFullCrossUsersPermission(userHandle); 3349 synchronized (this) { 3350 return getPasswordExpirationLocked(who, userHandle, parent); 3351 } 3352 } 3353 3354 @Override 3355 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3356 if (!mHasFeature) { 3357 return; 3358 } 3359 Preconditions.checkNotNull(who, "ComponentName is null"); 3360 synchronized (this) { 3361 ActiveAdmin ap = getActiveAdminForCallerLocked( 3362 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3363 if (ap.minimumPasswordUpperCase != length) { 3364 ap.minimumPasswordUpperCase = length; 3365 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3366 } 3367 } 3368 } 3369 3370 @Override 3371 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3372 if (!mHasFeature) { 3373 return 0; 3374 } 3375 enforceFullCrossUsersPermission(userHandle); 3376 synchronized (this) { 3377 int length = 0; 3378 3379 if (who != null) { 3380 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3381 return admin != null ? admin.minimumPasswordUpperCase : length; 3382 } 3383 3384 // Return the strictest policy across all participating admins. 3385 List<ActiveAdmin> admins = 3386 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3387 final int N = admins.size(); 3388 for (int i = 0; i < N; i++) { 3389 ActiveAdmin admin = admins.get(i); 3390 if (length < admin.minimumPasswordUpperCase) { 3391 length = admin.minimumPasswordUpperCase; 3392 } 3393 } 3394 return length; 3395 } 3396 } 3397 3398 @Override 3399 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3400 Preconditions.checkNotNull(who, "ComponentName is null"); 3401 synchronized (this) { 3402 ActiveAdmin ap = getActiveAdminForCallerLocked( 3403 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3404 if (ap.minimumPasswordLowerCase != length) { 3405 ap.minimumPasswordLowerCase = length; 3406 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3407 } 3408 } 3409 } 3410 3411 @Override 3412 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3413 if (!mHasFeature) { 3414 return 0; 3415 } 3416 enforceFullCrossUsersPermission(userHandle); 3417 synchronized (this) { 3418 int length = 0; 3419 3420 if (who != null) { 3421 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3422 return admin != null ? admin.minimumPasswordLowerCase : length; 3423 } 3424 3425 // Return the strictest policy across all participating admins. 3426 List<ActiveAdmin> admins = 3427 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3428 final int N = admins.size(); 3429 for (int i = 0; i < N; i++) { 3430 ActiveAdmin admin = admins.get(i); 3431 if (length < admin.minimumPasswordLowerCase) { 3432 length = admin.minimumPasswordLowerCase; 3433 } 3434 } 3435 return length; 3436 } 3437 } 3438 3439 @Override 3440 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3441 if (!mHasFeature) { 3442 return; 3443 } 3444 Preconditions.checkNotNull(who, "ComponentName is null"); 3445 synchronized (this) { 3446 ActiveAdmin ap = getActiveAdminForCallerLocked( 3447 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3448 if (ap.minimumPasswordLetters != length) { 3449 ap.minimumPasswordLetters = length; 3450 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3451 } 3452 } 3453 } 3454 3455 @Override 3456 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3457 if (!mHasFeature) { 3458 return 0; 3459 } 3460 enforceFullCrossUsersPermission(userHandle); 3461 synchronized (this) { 3462 int length = 0; 3463 3464 if (who != null) { 3465 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3466 return admin != null ? admin.minimumPasswordLetters : length; 3467 } 3468 3469 // Return the strictest policy across all participating admins. 3470 List<ActiveAdmin> admins = 3471 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3472 final int N = admins.size(); 3473 for (int i = 0; i < N; i++) { 3474 ActiveAdmin admin = admins.get(i); 3475 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3476 continue; 3477 } 3478 if (length < admin.minimumPasswordLetters) { 3479 length = admin.minimumPasswordLetters; 3480 } 3481 } 3482 return length; 3483 } 3484 } 3485 3486 @Override 3487 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3488 if (!mHasFeature) { 3489 return; 3490 } 3491 Preconditions.checkNotNull(who, "ComponentName is null"); 3492 synchronized (this) { 3493 ActiveAdmin ap = getActiveAdminForCallerLocked( 3494 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3495 if (ap.minimumPasswordNumeric != length) { 3496 ap.minimumPasswordNumeric = length; 3497 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3498 } 3499 } 3500 } 3501 3502 @Override 3503 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3504 if (!mHasFeature) { 3505 return 0; 3506 } 3507 enforceFullCrossUsersPermission(userHandle); 3508 synchronized (this) { 3509 int length = 0; 3510 3511 if (who != null) { 3512 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3513 return admin != null ? admin.minimumPasswordNumeric : length; 3514 } 3515 3516 // Return the strictest policy across all participating admins. 3517 List<ActiveAdmin> admins = 3518 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3519 final int N = admins.size(); 3520 for (int i = 0; i < N; i++) { 3521 ActiveAdmin admin = admins.get(i); 3522 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3523 continue; 3524 } 3525 if (length < admin.minimumPasswordNumeric) { 3526 length = admin.minimumPasswordNumeric; 3527 } 3528 } 3529 return length; 3530 } 3531 } 3532 3533 @Override 3534 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3535 if (!mHasFeature) { 3536 return; 3537 } 3538 Preconditions.checkNotNull(who, "ComponentName is null"); 3539 synchronized (this) { 3540 ActiveAdmin ap = getActiveAdminForCallerLocked( 3541 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3542 if (ap.minimumPasswordSymbols != length) { 3543 ap.minimumPasswordSymbols = length; 3544 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3545 } 3546 } 3547 } 3548 3549 @Override 3550 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3551 if (!mHasFeature) { 3552 return 0; 3553 } 3554 enforceFullCrossUsersPermission(userHandle); 3555 synchronized (this) { 3556 int length = 0; 3557 3558 if (who != null) { 3559 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3560 return admin != null ? admin.minimumPasswordSymbols : length; 3561 } 3562 3563 // Return the strictest policy across all participating admins. 3564 List<ActiveAdmin> admins = 3565 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3566 final int N = admins.size(); 3567 for (int i = 0; i < N; i++) { 3568 ActiveAdmin admin = admins.get(i); 3569 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3570 continue; 3571 } 3572 if (length < admin.minimumPasswordSymbols) { 3573 length = admin.minimumPasswordSymbols; 3574 } 3575 } 3576 return length; 3577 } 3578 } 3579 3580 @Override 3581 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3582 if (!mHasFeature) { 3583 return; 3584 } 3585 Preconditions.checkNotNull(who, "ComponentName is null"); 3586 synchronized (this) { 3587 ActiveAdmin ap = getActiveAdminForCallerLocked( 3588 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3589 if (ap.minimumPasswordNonLetter != length) { 3590 ap.minimumPasswordNonLetter = length; 3591 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3592 } 3593 } 3594 } 3595 3596 @Override 3597 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3598 if (!mHasFeature) { 3599 return 0; 3600 } 3601 enforceFullCrossUsersPermission(userHandle); 3602 synchronized (this) { 3603 int length = 0; 3604 3605 if (who != null) { 3606 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3607 return admin != null ? admin.minimumPasswordNonLetter : length; 3608 } 3609 3610 // Return the strictest policy across all participating admins. 3611 List<ActiveAdmin> admins = 3612 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3613 final int N = admins.size(); 3614 for (int i = 0; i < N; i++) { 3615 ActiveAdmin admin = admins.get(i); 3616 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3617 continue; 3618 } 3619 if (length < admin.minimumPasswordNonLetter) { 3620 length = admin.minimumPasswordNonLetter; 3621 } 3622 } 3623 return length; 3624 } 3625 } 3626 3627 @Override 3628 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3629 if (!mHasFeature) { 3630 return true; 3631 } 3632 enforceFullCrossUsersPermission(userHandle); 3633 3634 synchronized (this) { 3635 // This API can only be called by an active device admin, 3636 // so try to retrieve it to check that the caller is one. 3637 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3638 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3639 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3640 } 3641 } 3642 3643 @Override 3644 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3645 if (!mHasFeature) { 3646 return true; 3647 } 3648 enforceFullCrossUsersPermission(userHandle); 3649 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3650 3651 synchronized (this) { 3652 int targetUser = getProfileParentId(userHandle); 3653 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3654 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3655 } 3656 } 3657 3658 private boolean isActivePasswordSufficientForUserLocked( 3659 DevicePolicyData policy, int userHandle, boolean parent) { 3660 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle, parent) 3661 || policy.mActivePasswordLength < getPasswordMinimumLength( 3662 null, userHandle, parent)) { 3663 return false; 3664 } 3665 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3666 return true; 3667 } 3668 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase( 3669 null, userHandle, parent) 3670 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase( 3671 null, userHandle, parent) 3672 && policy.mActivePasswordLetters >= getPasswordMinimumLetters( 3673 null, userHandle, parent) 3674 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric( 3675 null, userHandle, parent) 3676 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols( 3677 null, userHandle, parent) 3678 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter( 3679 null, userHandle, parent); 3680 } 3681 3682 @Override 3683 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3684 enforceFullCrossUsersPermission(userHandle); 3685 synchronized (this) { 3686 if (!isCallerWithSystemUid()) { 3687 // This API can only be called by an active device admin, 3688 // so try to retrieve it to check that the caller is one. 3689 getActiveAdminForCallerLocked( 3690 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3691 } 3692 3693 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3694 3695 return policy.mFailedPasswordAttempts; 3696 } 3697 } 3698 3699 @Override 3700 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3701 if (!mHasFeature) { 3702 return; 3703 } 3704 Preconditions.checkNotNull(who, "ComponentName is null"); 3705 synchronized (this) { 3706 // This API can only be called by an active device admin, 3707 // so try to retrieve it to check that the caller is one. 3708 getActiveAdminForCallerLocked( 3709 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3710 ActiveAdmin ap = getActiveAdminForCallerLocked( 3711 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3712 if (ap.maximumFailedPasswordsForWipe != num) { 3713 ap.maximumFailedPasswordsForWipe = num; 3714 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3715 } 3716 } 3717 } 3718 3719 @Override 3720 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3721 if (!mHasFeature) { 3722 return 0; 3723 } 3724 enforceFullCrossUsersPermission(userHandle); 3725 synchronized (this) { 3726 ActiveAdmin admin = (who != null) 3727 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3728 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3729 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3730 } 3731 } 3732 3733 @Override 3734 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3735 if (!mHasFeature) { 3736 return UserHandle.USER_NULL; 3737 } 3738 enforceFullCrossUsersPermission(userHandle); 3739 synchronized (this) { 3740 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3741 userHandle, parent); 3742 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3743 } 3744 } 3745 3746 /** 3747 * Returns the admin with the strictest policy on maximum failed passwords for: 3748 * <ul> 3749 * <li>this user if it has a separate profile challenge, or 3750 * <li>this user and all profiles that don't have their own challenge otherwise. 3751 * </ul> 3752 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3753 * the primary profile. 3754 * Returns {@code null} if no participating admin has that policy set. 3755 */ 3756 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3757 int userHandle, boolean parent) { 3758 int count = 0; 3759 ActiveAdmin strictestAdmin = null; 3760 3761 // Return the strictest policy across all participating admins. 3762 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3763 final int N = admins.size(); 3764 for (int i = 0; i < N; i++) { 3765 ActiveAdmin admin = admins.get(i); 3766 if (admin.maximumFailedPasswordsForWipe == 3767 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3768 continue; // No max number of failed passwords policy set for this profile. 3769 } 3770 3771 // We always favor the primary profile if several profiles have the same value set. 3772 int userId = admin.getUserHandle().getIdentifier(); 3773 if (count == 0 || 3774 count > admin.maximumFailedPasswordsForWipe || 3775 (count == admin.maximumFailedPasswordsForWipe && 3776 getUserInfo(userId).isPrimary())) { 3777 count = admin.maximumFailedPasswordsForWipe; 3778 strictestAdmin = admin; 3779 } 3780 } 3781 return strictestAdmin; 3782 } 3783 3784 private UserInfo getUserInfo(@UserIdInt int userId) { 3785 final long token = mInjector.binderClearCallingIdentity(); 3786 try { 3787 return mUserManager.getUserInfo(userId); 3788 } finally { 3789 mInjector.binderRestoreCallingIdentity(token); 3790 } 3791 } 3792 3793 @Override 3794 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3795 if (!mHasFeature) { 3796 return false; 3797 } 3798 final int callingUid = mInjector.binderGetCallingUid(); 3799 final int userHandle = mInjector.userHandleGetCallingUserId(); 3800 3801 String password = passwordOrNull != null ? passwordOrNull : ""; 3802 3803 // Password resetting to empty/null is not allowed for managed profiles. 3804 if (TextUtils.isEmpty(password)) { 3805 enforceNotManagedProfile(userHandle, "clear the active password"); 3806 } 3807 3808 int quality; 3809 synchronized (this) { 3810 // If caller has PO (or DO) it can change the password, so see if that's the case first. 3811 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 3812 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 3813 final boolean preN; 3814 if (admin != null) { 3815 preN = getTargetSdk(admin.info.getPackageName(), 3816 userHandle) <= android.os.Build.VERSION_CODES.M; 3817 } else { 3818 // Otherwise, make sure the caller has any active admin with the right policy. 3819 admin = getActiveAdminForCallerLocked(null, 3820 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 3821 preN = getTargetSdk(admin.info.getPackageName(), 3822 userHandle) <= android.os.Build.VERSION_CODES.M; 3823 3824 // As of N, password resetting to empty/null is not allowed anymore. 3825 // TODO Should we allow DO/PO to set an empty password? 3826 if (TextUtils.isEmpty(password)) { 3827 if (!preN) { 3828 throw new SecurityException("Cannot call with null password"); 3829 } else { 3830 Slog.e(LOG_TAG, "Cannot call with null password"); 3831 return false; 3832 } 3833 } 3834 // As of N, password cannot be changed by the admin if it is already set. 3835 if (isLockScreenSecureUnchecked(userHandle)) { 3836 if (!preN) { 3837 throw new SecurityException("Admin cannot change current password"); 3838 } else { 3839 Slog.e(LOG_TAG, "Admin cannot change current password"); 3840 return false; 3841 } 3842 } 3843 } 3844 // Do not allow to reset password when current user has a managed profile 3845 if (!isManagedProfile(userHandle)) { 3846 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3847 if (userInfo.isManagedProfile()) { 3848 if (!preN) { 3849 throw new IllegalStateException( 3850 "Cannot reset password on user has managed profile"); 3851 } else { 3852 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 3853 return false; 3854 } 3855 } 3856 } 3857 } 3858 // Do not allow to reset password when user is locked 3859 if (!mUserManager.isUserUnlocked(userHandle)) { 3860 if (!preN) { 3861 throw new IllegalStateException("Cannot reset password when user is locked"); 3862 } else { 3863 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 3864 return false; 3865 } 3866 } 3867 3868 quality = getPasswordQuality(null, userHandle, /* parent */ false); 3869 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 3870 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3871 } 3872 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 3873 int realQuality = LockPatternUtils.computePasswordQuality(password); 3874 if (realQuality < quality 3875 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3876 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 3877 + Integer.toHexString(realQuality) 3878 + " does not meet required quality 0x" 3879 + Integer.toHexString(quality)); 3880 return false; 3881 } 3882 quality = Math.max(realQuality, quality); 3883 } 3884 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 3885 if (password.length() < length) { 3886 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 3887 + " does not meet required length " + length); 3888 return false; 3889 } 3890 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3891 int letters = 0; 3892 int uppercase = 0; 3893 int lowercase = 0; 3894 int numbers = 0; 3895 int symbols = 0; 3896 int nonletter = 0; 3897 for (int i = 0; i < password.length(); i++) { 3898 char c = password.charAt(i); 3899 if (c >= 'A' && c <= 'Z') { 3900 letters++; 3901 uppercase++; 3902 } else if (c >= 'a' && c <= 'z') { 3903 letters++; 3904 lowercase++; 3905 } else if (c >= '0' && c <= '9') { 3906 numbers++; 3907 nonletter++; 3908 } else { 3909 symbols++; 3910 nonletter++; 3911 } 3912 } 3913 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 3914 if(letters < neededLetters) { 3915 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 3916 + " does not meet required number of letters " + neededLetters); 3917 return false; 3918 } 3919 int neededNumbers = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 3920 if (numbers < neededNumbers) { 3921 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 3922 + " does not meet required number of numerical digits " 3923 + neededNumbers); 3924 return false; 3925 } 3926 int neededLowerCase = getPasswordMinimumLowerCase( 3927 null, userHandle, /* parent */ false); 3928 if (lowercase < neededLowerCase) { 3929 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 3930 + " does not meet required number of lowercase letters " 3931 + neededLowerCase); 3932 return false; 3933 } 3934 int neededUpperCase = getPasswordMinimumUpperCase( 3935 null, userHandle, /* parent */ false); 3936 if (uppercase < neededUpperCase) { 3937 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 3938 + " does not meet required number of uppercase letters " 3939 + neededUpperCase); 3940 return false; 3941 } 3942 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 3943 if (symbols < neededSymbols) { 3944 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 3945 + " does not meet required number of special symbols " + neededSymbols); 3946 return false; 3947 } 3948 int neededNonLetter = getPasswordMinimumNonLetter( 3949 null, userHandle, /* parent */ false); 3950 if (nonletter < neededNonLetter) { 3951 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 3952 + " does not meet required number of non-letter characters " 3953 + neededNonLetter); 3954 return false; 3955 } 3956 } 3957 } 3958 3959 DevicePolicyData policy = getUserData(userHandle); 3960 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 3961 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 3962 return false; 3963 } 3964 3965 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 3966 boolean doNotAskCredentialsOnBoot = 3967 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 3968 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 3969 setDoNotAskCredentialsOnBoot(); 3970 } 3971 3972 // Don't do this with the lock held, because it is going to call 3973 // back in to the service. 3974 final long ident = mInjector.binderClearCallingIdentity(); 3975 try { 3976 if (!TextUtils.isEmpty(password)) { 3977 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 3978 } else { 3979 mLockPatternUtils.clearLock(userHandle); 3980 } 3981 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 3982 if (requireEntry) { 3983 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 3984 UserHandle.USER_ALL); 3985 } 3986 synchronized (this) { 3987 int newOwner = requireEntry ? callingUid : -1; 3988 if (policy.mPasswordOwner != newOwner) { 3989 policy.mPasswordOwner = newOwner; 3990 saveSettingsLocked(userHandle); 3991 } 3992 } 3993 } finally { 3994 mInjector.binderRestoreCallingIdentity(ident); 3995 } 3996 3997 return true; 3998 } 3999 4000 private boolean isLockScreenSecureUnchecked(int userId) { 4001 long ident = mInjector.binderClearCallingIdentity(); 4002 try { 4003 return mLockPatternUtils.isSecure(userId); 4004 } finally { 4005 mInjector.binderRestoreCallingIdentity(ident); 4006 } 4007 } 4008 4009 private void setDoNotAskCredentialsOnBoot() { 4010 synchronized (this) { 4011 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4012 if (!policyData.doNotAskCredentialsOnBoot) { 4013 policyData.doNotAskCredentialsOnBoot = true; 4014 saveSettingsLocked(UserHandle.USER_SYSTEM); 4015 } 4016 } 4017 } 4018 4019 @Override 4020 public boolean getDoNotAskCredentialsOnBoot() { 4021 mContext.enforceCallingOrSelfPermission( 4022 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4023 synchronized (this) { 4024 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4025 return policyData.doNotAskCredentialsOnBoot; 4026 } 4027 } 4028 4029 @Override 4030 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4031 if (!mHasFeature) { 4032 return; 4033 } 4034 Preconditions.checkNotNull(who, "ComponentName is null"); 4035 final int userHandle = mInjector.userHandleGetCallingUserId(); 4036 synchronized (this) { 4037 ActiveAdmin ap = getActiveAdminForCallerLocked( 4038 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4039 if (ap.maximumTimeToUnlock != timeMs) { 4040 ap.maximumTimeToUnlock = timeMs; 4041 saveSettingsLocked(userHandle); 4042 updateMaximumTimeToLockLocked(userHandle); 4043 } 4044 } 4045 } 4046 4047 void updateMaximumTimeToLockLocked(int userHandle) { 4048 // Calculate the min timeout for all profiles - including the ones with a separate 4049 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4050 // challenge only and keep the screen on. However there is no easy way of doing that at the 4051 // moment so we set the screen off timeout regardless of whether it affects the parent user 4052 // or the profile challenge only. 4053 long timeMs = Long.MAX_VALUE; 4054 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4055 for (int profileId : profileIds) { 4056 DevicePolicyData policy = getUserDataUnchecked(profileId); 4057 final int N = policy.mAdminList.size(); 4058 for (int i = 0; i < N; i++) { 4059 ActiveAdmin admin = policy.mAdminList.get(i); 4060 if (admin.maximumTimeToUnlock > 0 4061 && timeMs > admin.maximumTimeToUnlock) { 4062 timeMs = admin.maximumTimeToUnlock; 4063 } 4064 // If userInfo.id is a managed profile, we also need to look at 4065 // the policies set on the parent. 4066 if (admin.hasParentActiveAdmin()) { 4067 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4068 if (parentAdmin.maximumTimeToUnlock > 0 4069 && timeMs > parentAdmin.maximumTimeToUnlock) { 4070 timeMs = parentAdmin.maximumTimeToUnlock; 4071 } 4072 } 4073 } 4074 } 4075 4076 // We only store the last maximum time to lock on the parent profile. So if calling from a 4077 // managed profile, retrieve the policy for the parent. 4078 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4079 if (policy.mLastMaximumTimeToLock == timeMs) { 4080 return; 4081 } 4082 policy.mLastMaximumTimeToLock = timeMs; 4083 4084 final long ident = mInjector.binderClearCallingIdentity(); 4085 try { 4086 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4087 // Make sure KEEP_SCREEN_ON is disabled, since that 4088 // would allow bypassing of the maximum time to lock. 4089 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4090 } 4091 4092 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4093 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4094 } finally { 4095 mInjector.binderRestoreCallingIdentity(ident); 4096 } 4097 } 4098 4099 @Override 4100 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4101 if (!mHasFeature) { 4102 return 0; 4103 } 4104 enforceFullCrossUsersPermission(userHandle); 4105 synchronized (this) { 4106 if (who != null) { 4107 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4108 return admin != null ? admin.maximumTimeToUnlock : 0; 4109 } 4110 // Return the strictest policy across all participating admins. 4111 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4112 userHandle, parent); 4113 return getMaximumTimeToLockPolicyFromAdmins(admins); 4114 } 4115 } 4116 4117 @Override 4118 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4119 if (!mHasFeature) { 4120 return 0; 4121 } 4122 enforceFullCrossUsersPermission(userHandle); 4123 synchronized (this) { 4124 // All admins for this user. 4125 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4126 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4127 DevicePolicyData policy = getUserData(userInfo.id); 4128 admins.addAll(policy.mAdminList); 4129 // If it is a managed profile, it may have parent active admins 4130 if (userInfo.isManagedProfile()) { 4131 for (ActiveAdmin admin : policy.mAdminList) { 4132 if (admin.hasParentActiveAdmin()) { 4133 admins.add(admin.getParentActiveAdmin()); 4134 } 4135 } 4136 } 4137 } 4138 return getMaximumTimeToLockPolicyFromAdmins(admins); 4139 } 4140 } 4141 4142 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4143 long time = 0; 4144 final int N = admins.size(); 4145 for (int i = 0; i < N; i++) { 4146 ActiveAdmin admin = admins.get(i); 4147 if (time == 0) { 4148 time = admin.maximumTimeToUnlock; 4149 } else if (admin.maximumTimeToUnlock != 0 4150 && time > admin.maximumTimeToUnlock) { 4151 time = admin.maximumTimeToUnlock; 4152 } 4153 } 4154 return time; 4155 } 4156 4157 @Override 4158 public void lockNow(boolean parent) { 4159 if (!mHasFeature) { 4160 return; 4161 } 4162 synchronized (this) { 4163 // This API can only be called by an active device admin, 4164 // so try to retrieve it to check that the caller is one. 4165 getActiveAdminForCallerLocked( 4166 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4167 4168 int userToLock = mInjector.userHandleGetCallingUserId(); 4169 4170 // Unless this is a managed profile with work challenge enabled, lock all users. 4171 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 4172 userToLock = UserHandle.USER_ALL; 4173 } 4174 final long ident = mInjector.binderClearCallingIdentity(); 4175 try { 4176 mLockPatternUtils.requireStrongAuth( 4177 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4178 if (userToLock == UserHandle.USER_ALL) { 4179 // Power off the display 4180 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4181 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4182 mInjector.getIWindowManager().lockNow(null); 4183 } 4184 } catch (RemoteException e) { 4185 } finally { 4186 mInjector.binderRestoreCallingIdentity(ident); 4187 } 4188 } 4189 } 4190 4191 @Override 4192 public void enforceCanManageCaCerts(ComponentName who) { 4193 if (who == null) { 4194 if (!isCallerDelegatedCertInstaller()) { 4195 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4196 } 4197 } else { 4198 synchronized (this) { 4199 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4200 } 4201 } 4202 } 4203 4204 private void enforceCanManageInstalledKeys(ComponentName who) { 4205 if (who == null) { 4206 if (!isCallerDelegatedCertInstaller()) { 4207 throw new SecurityException("who == null, but caller is not cert installer"); 4208 } 4209 } else { 4210 synchronized (this) { 4211 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4212 } 4213 } 4214 } 4215 4216 private boolean isCallerDelegatedCertInstaller() { 4217 final int callingUid = mInjector.binderGetCallingUid(); 4218 final int userHandle = UserHandle.getUserId(callingUid); 4219 synchronized (this) { 4220 final DevicePolicyData policy = getUserData(userHandle); 4221 if (policy.mDelegatedCertInstallerPackage == null) { 4222 return false; 4223 } 4224 4225 try { 4226 int uid = mContext.getPackageManager().getPackageUidAsUser( 4227 policy.mDelegatedCertInstallerPackage, userHandle); 4228 return uid == callingUid; 4229 } catch (NameNotFoundException e) { 4230 return false; 4231 } 4232 } 4233 } 4234 4235 @Override 4236 public boolean approveCaCert(String alias, int userId, boolean approval) { 4237 enforceManageUsers(); 4238 synchronized (this) { 4239 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4240 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4241 if (!changed) { 4242 return false; 4243 } 4244 saveSettingsLocked(userId); 4245 } 4246 new MonitoringCertNotificationTask().execute(userId); 4247 return true; 4248 } 4249 4250 @Override 4251 public boolean isCaCertApproved(String alias, int userId) { 4252 enforceManageUsers(); 4253 synchronized (this) { 4254 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4255 } 4256 } 4257 4258 private void removeCaApprovalsIfNeeded(int userId) { 4259 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4260 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4261 if (userInfo.isManagedProfile()){ 4262 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4263 } 4264 if (!isSecure) { 4265 synchronized (this) { 4266 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4267 saveSettingsLocked(userInfo.id); 4268 } 4269 4270 new MonitoringCertNotificationTask().execute(userInfo.id); 4271 } 4272 } 4273 } 4274 4275 @Override 4276 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4277 enforceCanManageCaCerts(admin); 4278 4279 byte[] pemCert; 4280 try { 4281 X509Certificate cert = parseCert(certBuffer); 4282 pemCert = Credentials.convertToPem(cert); 4283 } catch (CertificateException ce) { 4284 Log.e(LOG_TAG, "Problem converting cert", ce); 4285 return false; 4286 } catch (IOException ioe) { 4287 Log.e(LOG_TAG, "Problem reading cert", ioe); 4288 return false; 4289 } 4290 4291 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4292 final long id = mInjector.binderClearCallingIdentity(); 4293 try { 4294 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4295 try { 4296 keyChainConnection.getService().installCaCertificate(pemCert); 4297 return true; 4298 } catch (RemoteException e) { 4299 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4300 } finally { 4301 keyChainConnection.close(); 4302 } 4303 } catch (InterruptedException e1) { 4304 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4305 Thread.currentThread().interrupt(); 4306 } finally { 4307 mInjector.binderRestoreCallingIdentity(id); 4308 } 4309 return false; 4310 } 4311 4312 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4313 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4314 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4315 certBuffer)); 4316 } 4317 4318 @Override 4319 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4320 enforceCanManageCaCerts(admin); 4321 4322 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4323 final long id = mInjector.binderClearCallingIdentity(); 4324 try { 4325 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4326 try { 4327 for (int i = 0 ; i < aliases.length; i++) { 4328 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4329 } 4330 } catch (RemoteException e) { 4331 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4332 } finally { 4333 keyChainConnection.close(); 4334 } 4335 } catch (InterruptedException ie) { 4336 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4337 Thread.currentThread().interrupt(); 4338 } finally { 4339 mInjector.binderRestoreCallingIdentity(id); 4340 } 4341 } 4342 4343 @Override 4344 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, 4345 String alias, boolean requestAccess) { 4346 enforceCanManageInstalledKeys(who); 4347 4348 final int callingUid = mInjector.binderGetCallingUid(); 4349 final long id = mInjector.binderClearCallingIdentity(); 4350 try { 4351 final KeyChainConnection keyChainConnection = 4352 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4353 try { 4354 IKeyChainService keyChain = keyChainConnection.getService(); 4355 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4356 return false; 4357 } 4358 if (requestAccess) { 4359 keyChain.setGrant(callingUid, alias, true); 4360 } 4361 return true; 4362 } catch (RemoteException e) { 4363 Log.e(LOG_TAG, "Installing certificate", e); 4364 } finally { 4365 keyChainConnection.close(); 4366 } 4367 } catch (InterruptedException e) { 4368 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4369 Thread.currentThread().interrupt(); 4370 } finally { 4371 mInjector.binderRestoreCallingIdentity(id); 4372 } 4373 return false; 4374 } 4375 4376 @Override 4377 public boolean removeKeyPair(ComponentName who, String alias) { 4378 enforceCanManageInstalledKeys(who); 4379 4380 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4381 final long id = Binder.clearCallingIdentity(); 4382 try { 4383 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4384 try { 4385 IKeyChainService keyChain = keyChainConnection.getService(); 4386 return keyChain.removeKeyPair(alias); 4387 } catch (RemoteException e) { 4388 Log.e(LOG_TAG, "Removing keypair", e); 4389 } finally { 4390 keyChainConnection.close(); 4391 } 4392 } catch (InterruptedException e) { 4393 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4394 Thread.currentThread().interrupt(); 4395 } finally { 4396 Binder.restoreCallingIdentity(id); 4397 } 4398 return false; 4399 } 4400 4401 @Override 4402 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4403 final IBinder response) { 4404 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4405 if (!isCallerWithSystemUid()) { 4406 return; 4407 } 4408 4409 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4410 // If there is a profile owner, redirect to that; otherwise query the device owner. 4411 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4412 if (aliasChooser == null && caller.isSystem()) { 4413 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4414 if (deviceOwnerAdmin != null) { 4415 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4416 } 4417 } 4418 if (aliasChooser == null) { 4419 sendPrivateKeyAliasResponse(null, response); 4420 return; 4421 } 4422 4423 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4424 intent.setComponent(aliasChooser); 4425 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4426 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4427 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4428 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4429 4430 final long id = mInjector.binderClearCallingIdentity(); 4431 try { 4432 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4433 @Override 4434 public void onReceive(Context context, Intent intent) { 4435 final String chosenAlias = getResultData(); 4436 sendPrivateKeyAliasResponse(chosenAlias, response); 4437 } 4438 }, null, Activity.RESULT_OK, null, null); 4439 } finally { 4440 mInjector.binderRestoreCallingIdentity(id); 4441 } 4442 } 4443 4444 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4445 final IKeyChainAliasCallback keyChainAliasResponse = 4446 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4447 new AsyncTask<Void, Void, Void>() { 4448 @Override 4449 protected Void doInBackground(Void... unused) { 4450 try { 4451 keyChainAliasResponse.alias(alias); 4452 } catch (Exception e) { 4453 // Catch everything (not just RemoteException): caller could throw a 4454 // RuntimeException back across processes. 4455 Log.e(LOG_TAG, "error while responding to callback", e); 4456 } 4457 return null; 4458 } 4459 }.execute(); 4460 } 4461 4462 @Override 4463 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4464 throws SecurityException { 4465 int userHandle = UserHandle.getCallingUserId(); 4466 synchronized (this) { 4467 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4468 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4469 if (installerPackage != null && 4470 !isPackageInstalledForUser(installerPackage, userHandle)) { 4471 throw new IllegalArgumentException("Package " + installerPackage 4472 + " is not installed on the current user"); 4473 } 4474 } 4475 DevicePolicyData policy = getUserData(userHandle); 4476 policy.mDelegatedCertInstallerPackage = installerPackage; 4477 saveSettingsLocked(userHandle); 4478 } 4479 } 4480 4481 @Override 4482 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4483 int userHandle = UserHandle.getCallingUserId(); 4484 synchronized (this) { 4485 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4486 DevicePolicyData policy = getUserData(userHandle); 4487 return policy.mDelegatedCertInstallerPackage; 4488 } 4489 } 4490 4491 /** 4492 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 4493 * not installed and therefore not available. 4494 * 4495 * @throws SecurityException if the caller is not a profile or device owner. 4496 * @throws UnsupportedException if the package does not support being set as always-on. 4497 */ 4498 @Override 4499 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 4500 throws SecurityException { 4501 synchronized (this) { 4502 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4503 } 4504 4505 final int userId = mInjector.userHandleGetCallingUserId(); 4506 final long token = mInjector.binderClearCallingIdentity(); 4507 try { 4508 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 4509 return false; 4510 } 4511 ConnectivityManager connectivityManager = (ConnectivityManager) 4512 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4513 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 4514 throw new UnsupportedOperationException(); 4515 } 4516 } finally { 4517 mInjector.binderRestoreCallingIdentity(token); 4518 } 4519 return true; 4520 } 4521 4522 @Override 4523 public String getAlwaysOnVpnPackage(ComponentName admin) 4524 throws SecurityException { 4525 synchronized (this) { 4526 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4527 } 4528 4529 final int userId = mInjector.userHandleGetCallingUserId(); 4530 final long token = mInjector.binderClearCallingIdentity(); 4531 try{ 4532 ConnectivityManager connectivityManager = (ConnectivityManager) 4533 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4534 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4535 } finally { 4536 mInjector.binderRestoreCallingIdentity(token); 4537 } 4538 } 4539 4540 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 4541 if (wipeExtRequested) { 4542 StorageManager sm = (StorageManager) mContext.getSystemService( 4543 Context.STORAGE_SERVICE); 4544 sm.wipeAdoptableDisks(); 4545 } 4546 try { 4547 RecoverySystem.rebootWipeUserData(mContext, reason); 4548 } catch (IOException | SecurityException e) { 4549 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4550 } 4551 } 4552 4553 @Override 4554 public void wipeData(int flags) { 4555 if (!mHasFeature) { 4556 return; 4557 } 4558 final int userHandle = mInjector.userHandleGetCallingUserId(); 4559 enforceFullCrossUsersPermission(userHandle); 4560 synchronized (this) { 4561 // This API can only be called by an active device admin, 4562 // so try to retrieve it to check that the caller is one. 4563 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4564 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4565 4566 final String source = admin.info.getComponent().flattenToShortString(); 4567 4568 long ident = mInjector.binderClearCallingIdentity(); 4569 try { 4570 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4571 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4572 throw new SecurityException( 4573 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4574 } 4575 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4576 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4577 if (manager != null) { 4578 manager.wipe(); 4579 } 4580 } 4581 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4582 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4583 "DevicePolicyManager.wipeData() from " + source); 4584 } finally { 4585 mInjector.binderRestoreCallingIdentity(ident); 4586 } 4587 } 4588 } 4589 4590 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 4591 if (userHandle == UserHandle.USER_SYSTEM) { 4592 wipeDataLocked(wipeExtRequested, reason); 4593 } else { 4594 mHandler.post(new Runnable() { 4595 @Override 4596 public void run() { 4597 try { 4598 IActivityManager am = mInjector.getIActivityManager(); 4599 if (am.getCurrentUser().id == userHandle) { 4600 am.switchUser(UserHandle.USER_SYSTEM); 4601 } 4602 4603 boolean isManagedProfile = isManagedProfile(userHandle); 4604 if (!mUserManager.removeUser(userHandle)) { 4605 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4606 } else if (isManagedProfile) { 4607 sendWipeProfileNotification(); 4608 } 4609 } catch (RemoteException re) { 4610 // Shouldn't happen 4611 } 4612 } 4613 }); 4614 } 4615 } 4616 4617 private void sendWipeProfileNotification() { 4618 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4619 Notification notification = new Notification.Builder(mContext) 4620 .setSmallIcon(android.R.drawable.stat_sys_warning) 4621 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4622 .setContentText(contentText) 4623 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4624 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4625 .build(); 4626 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4627 } 4628 4629 private void clearWipeProfileNotification() { 4630 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4631 } 4632 4633 @Override 4634 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4635 if (!mHasFeature) { 4636 return; 4637 } 4638 enforceFullCrossUsersPermission(userHandle); 4639 mContext.enforceCallingOrSelfPermission( 4640 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4641 4642 synchronized (this) { 4643 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4644 if (admin == null) { 4645 result.sendResult(null); 4646 return; 4647 } 4648 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4649 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4650 intent.setComponent(admin.info.getComponent()); 4651 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4652 null, new BroadcastReceiver() { 4653 @Override 4654 public void onReceive(Context context, Intent intent) { 4655 result.sendResult(getResultExtras(false)); 4656 } 4657 }, null, Activity.RESULT_OK, null, null); 4658 } 4659 } 4660 4661 @Override 4662 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4663 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4664 if (!mHasFeature) { 4665 return; 4666 } 4667 enforceFullCrossUsersPermission(userHandle); 4668 4669 // Managed Profile password can only be changed when it has a separate challenge. 4670 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4671 enforceNotManagedProfile(userHandle, "set the active password"); 4672 } 4673 4674 mContext.enforceCallingOrSelfPermission( 4675 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4676 validateQualityConstant(quality); 4677 4678 DevicePolicyData policy = getUserData(userHandle); 4679 4680 long ident = mInjector.binderClearCallingIdentity(); 4681 try { 4682 synchronized (this) { 4683 policy.mActivePasswordQuality = quality; 4684 policy.mActivePasswordLength = length; 4685 policy.mActivePasswordLetters = letters; 4686 policy.mActivePasswordLowerCase = lowercase; 4687 policy.mActivePasswordUpperCase = uppercase; 4688 policy.mActivePasswordNumeric = numbers; 4689 policy.mActivePasswordSymbols = symbols; 4690 policy.mActivePasswordNonLetter = nonletter; 4691 policy.mFailedPasswordAttempts = 0; 4692 saveSettingsLocked(userHandle); 4693 updatePasswordExpirationsLocked(userHandle); 4694 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 4695 4696 // Send a broadcast to each profile using this password as its primary unlock. 4697 sendAdminCommandForLockscreenPoliciesLocked( 4698 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4699 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4700 } 4701 removeCaApprovalsIfNeeded(userHandle); 4702 } finally { 4703 mInjector.binderRestoreCallingIdentity(ident); 4704 } 4705 } 4706 4707 /** 4708 * Called any time the device password is updated. Resets all password expiration clocks. 4709 */ 4710 private void updatePasswordExpirationsLocked(int userHandle) { 4711 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4712 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4713 userHandle, /* parent */ false); 4714 final int N = admins.size(); 4715 for (int i = 0; i < N; i++) { 4716 ActiveAdmin admin = admins.get(i); 4717 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4718 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4719 long timeout = admin.passwordExpirationTimeout; 4720 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4721 admin.passwordExpirationDate = expiration; 4722 } 4723 } 4724 for (int affectedUserId : affectedUserIds) { 4725 saveSettingsLocked(affectedUserId); 4726 } 4727 } 4728 4729 @Override 4730 public void reportFailedPasswordAttempt(int userHandle) { 4731 enforceFullCrossUsersPermission(userHandle); 4732 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4733 enforceNotManagedProfile(userHandle, 4734 "report failed password attempt if separate profile challenge is not in place"); 4735 } 4736 mContext.enforceCallingOrSelfPermission( 4737 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4738 4739 final long ident = mInjector.binderClearCallingIdentity(); 4740 try { 4741 boolean wipeData = false; 4742 int identifier = 0; 4743 synchronized (this) { 4744 DevicePolicyData policy = getUserData(userHandle); 4745 policy.mFailedPasswordAttempts++; 4746 saveSettingsLocked(userHandle); 4747 if (mHasFeature) { 4748 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4749 userHandle, /* parent */ false); 4750 int max = strictestAdmin != null 4751 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4752 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4753 // Wipe the user/profile associated with the policy that was violated. This 4754 // is not necessarily calling user: if the policy that fired was from a 4755 // managed profile rather than the main user profile, we wipe former only. 4756 wipeData = true; 4757 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4758 } 4759 4760 sendAdminCommandForLockscreenPoliciesLocked( 4761 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4762 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4763 } 4764 } 4765 if (wipeData) { 4766 // Call without holding lock. 4767 wipeDeviceOrUserLocked(false, identifier, 4768 "reportFailedPasswordAttempt()"); 4769 } 4770 } finally { 4771 mInjector.binderRestoreCallingIdentity(ident); 4772 } 4773 4774 if (mInjector.securityLogIsLoggingEnabled()) { 4775 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4776 /*method strength*/ 1); 4777 } 4778 } 4779 4780 @Override 4781 public void reportSuccessfulPasswordAttempt(int userHandle) { 4782 enforceFullCrossUsersPermission(userHandle); 4783 mContext.enforceCallingOrSelfPermission( 4784 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4785 4786 synchronized (this) { 4787 DevicePolicyData policy = getUserData(userHandle); 4788 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4789 long ident = mInjector.binderClearCallingIdentity(); 4790 try { 4791 policy.mFailedPasswordAttempts = 0; 4792 policy.mPasswordOwner = -1; 4793 saveSettingsLocked(userHandle); 4794 if (mHasFeature) { 4795 sendAdminCommandForLockscreenPoliciesLocked( 4796 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4797 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4798 } 4799 } finally { 4800 mInjector.binderRestoreCallingIdentity(ident); 4801 } 4802 } 4803 } 4804 4805 if (mInjector.securityLogIsLoggingEnabled()) { 4806 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4807 /*method strength*/ 1); 4808 } 4809 } 4810 4811 @Override 4812 public void reportFailedFingerprintAttempt(int userHandle) { 4813 enforceFullCrossUsersPermission(userHandle); 4814 mContext.enforceCallingOrSelfPermission( 4815 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4816 if (mInjector.securityLogIsLoggingEnabled()) { 4817 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4818 /*method strength*/ 0); 4819 } 4820 } 4821 4822 @Override 4823 public void reportSuccessfulFingerprintAttempt(int userHandle) { 4824 enforceFullCrossUsersPermission(userHandle); 4825 mContext.enforceCallingOrSelfPermission( 4826 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4827 if (mInjector.securityLogIsLoggingEnabled()) { 4828 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4829 /*method strength*/ 0); 4830 } 4831 } 4832 4833 @Override 4834 public void reportKeyguardDismissed(int userHandle) { 4835 enforceFullCrossUsersPermission(userHandle); 4836 mContext.enforceCallingOrSelfPermission( 4837 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4838 4839 if (mInjector.securityLogIsLoggingEnabled()) { 4840 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 4841 } 4842 } 4843 4844 @Override 4845 public void reportKeyguardSecured(int userHandle) { 4846 enforceFullCrossUsersPermission(userHandle); 4847 mContext.enforceCallingOrSelfPermission( 4848 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4849 4850 if (mInjector.securityLogIsLoggingEnabled()) { 4851 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 4852 } 4853 } 4854 4855 @Override 4856 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 4857 String exclusionList) { 4858 if (!mHasFeature) { 4859 return null; 4860 } 4861 synchronized(this) { 4862 Preconditions.checkNotNull(who, "ComponentName is null"); 4863 4864 // Only check if system user has set global proxy. We don't allow other users to set it. 4865 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4866 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4867 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 4868 4869 // Scan through active admins and find if anyone has already 4870 // set the global proxy. 4871 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 4872 for (ComponentName component : compSet) { 4873 ActiveAdmin ap = policy.mAdminMap.get(component); 4874 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 4875 // Another admin already sets the global proxy 4876 // Return it to the caller. 4877 return component; 4878 } 4879 } 4880 4881 // If the user is not system, don't set the global proxy. Fail silently. 4882 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 4883 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 4884 + UserHandle.getCallingUserId() + " is not permitted."); 4885 return null; 4886 } 4887 if (proxySpec == null) { 4888 admin.specifiesGlobalProxy = false; 4889 admin.globalProxySpec = null; 4890 admin.globalProxyExclusionList = null; 4891 } else { 4892 4893 admin.specifiesGlobalProxy = true; 4894 admin.globalProxySpec = proxySpec; 4895 admin.globalProxyExclusionList = exclusionList; 4896 } 4897 4898 // Reset the global proxy accordingly 4899 // Do this using system permissions, as apps cannot write to secure settings 4900 long origId = mInjector.binderClearCallingIdentity(); 4901 try { 4902 resetGlobalProxyLocked(policy); 4903 } finally { 4904 mInjector.binderRestoreCallingIdentity(origId); 4905 } 4906 return null; 4907 } 4908 } 4909 4910 @Override 4911 public ComponentName getGlobalProxyAdmin(int userHandle) { 4912 if (!mHasFeature) { 4913 return null; 4914 } 4915 enforceFullCrossUsersPermission(userHandle); 4916 synchronized(this) { 4917 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4918 // Scan through active admins and find if anyone has already 4919 // set the global proxy. 4920 final int N = policy.mAdminList.size(); 4921 for (int i = 0; i < N; i++) { 4922 ActiveAdmin ap = policy.mAdminList.get(i); 4923 if (ap.specifiesGlobalProxy) { 4924 // Device admin sets the global proxy 4925 // Return it to the caller. 4926 return ap.info.getComponent(); 4927 } 4928 } 4929 } 4930 // No device admin sets the global proxy. 4931 return null; 4932 } 4933 4934 @Override 4935 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 4936 synchronized (this) { 4937 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4938 } 4939 long token = mInjector.binderClearCallingIdentity(); 4940 try { 4941 ConnectivityManager connectivityManager = (ConnectivityManager) 4942 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4943 connectivityManager.setGlobalProxy(proxyInfo); 4944 } finally { 4945 mInjector.binderRestoreCallingIdentity(token); 4946 } 4947 } 4948 4949 private void resetGlobalProxyLocked(DevicePolicyData policy) { 4950 final int N = policy.mAdminList.size(); 4951 for (int i = 0; i < N; i++) { 4952 ActiveAdmin ap = policy.mAdminList.get(i); 4953 if (ap.specifiesGlobalProxy) { 4954 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 4955 return; 4956 } 4957 } 4958 // No device admins defining global proxies - reset global proxy settings to none 4959 saveGlobalProxyLocked(null, null); 4960 } 4961 4962 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 4963 if (exclusionList == null) { 4964 exclusionList = ""; 4965 } 4966 if (proxySpec == null) { 4967 proxySpec = ""; 4968 } 4969 // Remove white spaces 4970 proxySpec = proxySpec.trim(); 4971 String data[] = proxySpec.split(":"); 4972 int proxyPort = 8080; 4973 if (data.length > 1) { 4974 try { 4975 proxyPort = Integer.parseInt(data[1]); 4976 } catch (NumberFormatException e) {} 4977 } 4978 exclusionList = exclusionList.trim(); 4979 4980 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 4981 if (!proxyProperties.isValid()) { 4982 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 4983 return; 4984 } 4985 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 4986 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 4987 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 4988 exclusionList); 4989 } 4990 4991 /** 4992 * Set the storage encryption request for a single admin. Returns the new total request 4993 * status (for all admins). 4994 */ 4995 @Override 4996 public int setStorageEncryption(ComponentName who, boolean encrypt) { 4997 if (!mHasFeature) { 4998 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4999 } 5000 Preconditions.checkNotNull(who, "ComponentName is null"); 5001 final int userHandle = UserHandle.getCallingUserId(); 5002 synchronized (this) { 5003 // Check for permissions 5004 // Only system user can set storage encryption 5005 if (userHandle != UserHandle.USER_SYSTEM) { 5006 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5007 + UserHandle.getCallingUserId() + " is not permitted."); 5008 return 0; 5009 } 5010 5011 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5012 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5013 5014 // Quick exit: If the filesystem does not support encryption, we can exit early. 5015 if (!isEncryptionSupported()) { 5016 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5017 } 5018 5019 // (1) Record the value for the admin so it's sticky 5020 if (ap.encryptionRequested != encrypt) { 5021 ap.encryptionRequested = encrypt; 5022 saveSettingsLocked(userHandle); 5023 } 5024 5025 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5026 // (2) Compute "max" for all admins 5027 boolean newRequested = false; 5028 final int N = policy.mAdminList.size(); 5029 for (int i = 0; i < N; i++) { 5030 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5031 } 5032 5033 // Notify OS of new request 5034 setEncryptionRequested(newRequested); 5035 5036 // Return the new global request status 5037 return newRequested 5038 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5039 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5040 } 5041 } 5042 5043 /** 5044 * Get the current storage encryption request status for a given admin, or aggregate of all 5045 * active admins. 5046 */ 5047 @Override 5048 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5049 if (!mHasFeature) { 5050 return false; 5051 } 5052 enforceFullCrossUsersPermission(userHandle); 5053 synchronized (this) { 5054 // Check for permissions if a particular caller is specified 5055 if (who != null) { 5056 // When checking for a single caller, status is based on caller's request 5057 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5058 return ap != null ? ap.encryptionRequested : false; 5059 } 5060 5061 // If no particular caller is specified, return the aggregate set of requests. 5062 // This is short circuited by returning true on the first hit. 5063 DevicePolicyData policy = getUserData(userHandle); 5064 final int N = policy.mAdminList.size(); 5065 for (int i = 0; i < N; i++) { 5066 if (policy.mAdminList.get(i).encryptionRequested) { 5067 return true; 5068 } 5069 } 5070 return false; 5071 } 5072 } 5073 5074 /** 5075 * Get the current encryption status of the device. 5076 */ 5077 @Override 5078 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5079 if (!mHasFeature) { 5080 // Ok to return current status. 5081 } 5082 enforceFullCrossUsersPermission(userHandle); 5083 5084 // It's not critical here, but let's make sure the package name is correct, in case 5085 // we start using it for different purposes. 5086 ensureCallerPackage(callerPackage); 5087 5088 final ApplicationInfo ai; 5089 try { 5090 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5091 } catch (RemoteException e) { 5092 throw new SecurityException(e); 5093 } 5094 5095 boolean legacyApp = false; 5096 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5097 legacyApp = true; 5098 } else if ("com.google.android.apps.enterprise.dmagent".equals(ai.packageName) 5099 && ai.versionCode == 697) { 5100 // TODO: STOPSHIP remove this (revert ag/895987) once a new prebuilt is dropped 5101 legacyApp = true; 5102 } 5103 5104 final int rawStatus = getEncryptionStatus(); 5105 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5106 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5107 } 5108 return rawStatus; 5109 } 5110 5111 /** 5112 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5113 */ 5114 private boolean isEncryptionSupported() { 5115 // Note, this can be implemented as 5116 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5117 // But is provided as a separate internal method if there's a faster way to do a 5118 // simple check for supported-or-not. 5119 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5120 } 5121 5122 /** 5123 * Hook to low-levels: Reporting the current status of encryption. 5124 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5125 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5126 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5127 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5128 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5129 */ 5130 private int getEncryptionStatus() { 5131 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5132 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5133 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5134 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5135 } else if (mInjector.storageManagerIsEncrypted()) { 5136 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5137 } else if (mInjector.storageManagerIsEncryptable()) { 5138 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5139 } else { 5140 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5141 } 5142 } 5143 5144 /** 5145 * Hook to low-levels: If needed, record the new admin setting for encryption. 5146 */ 5147 private void setEncryptionRequested(boolean encrypt) { 5148 } 5149 5150 /** 5151 * Set whether the screen capture is disabled for the user managed by the specified admin. 5152 */ 5153 @Override 5154 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5155 if (!mHasFeature) { 5156 return; 5157 } 5158 Preconditions.checkNotNull(who, "ComponentName is null"); 5159 final int userHandle = UserHandle.getCallingUserId(); 5160 synchronized (this) { 5161 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5162 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5163 if (ap.disableScreenCapture != disabled) { 5164 ap.disableScreenCapture = disabled; 5165 saveSettingsLocked(userHandle); 5166 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5167 } 5168 } 5169 } 5170 5171 /** 5172 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5173 * active admin (if given admin is null). 5174 */ 5175 @Override 5176 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5177 if (!mHasFeature) { 5178 return false; 5179 } 5180 synchronized (this) { 5181 if (who != null) { 5182 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5183 return (admin != null) ? admin.disableScreenCapture : false; 5184 } 5185 5186 DevicePolicyData policy = getUserData(userHandle); 5187 final int N = policy.mAdminList.size(); 5188 for (int i = 0; i < N; i++) { 5189 ActiveAdmin admin = policy.mAdminList.get(i); 5190 if (admin.disableScreenCapture) { 5191 return true; 5192 } 5193 } 5194 return false; 5195 } 5196 } 5197 5198 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5199 final boolean disabled) { 5200 mHandler.post(new Runnable() { 5201 @Override 5202 public void run() { 5203 try { 5204 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5205 } catch (RemoteException e) { 5206 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5207 } 5208 } 5209 }); 5210 } 5211 5212 /** 5213 * Set whether auto time is required by the specified admin (must be device owner). 5214 */ 5215 @Override 5216 public void setAutoTimeRequired(ComponentName who, boolean required) { 5217 if (!mHasFeature) { 5218 return; 5219 } 5220 Preconditions.checkNotNull(who, "ComponentName is null"); 5221 final int userHandle = UserHandle.getCallingUserId(); 5222 synchronized (this) { 5223 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5224 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5225 if (admin.requireAutoTime != required) { 5226 admin.requireAutoTime = required; 5227 saveSettingsLocked(userHandle); 5228 } 5229 } 5230 5231 // Turn AUTO_TIME on in settings if it is required 5232 if (required) { 5233 long ident = mInjector.binderClearCallingIdentity(); 5234 try { 5235 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5236 } finally { 5237 mInjector.binderRestoreCallingIdentity(ident); 5238 } 5239 } 5240 } 5241 5242 /** 5243 * Returns whether or not auto time is required by the device owner. 5244 */ 5245 @Override 5246 public boolean getAutoTimeRequired() { 5247 if (!mHasFeature) { 5248 return false; 5249 } 5250 synchronized (this) { 5251 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5252 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5253 } 5254 } 5255 5256 @Override 5257 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5258 if (!mHasFeature) { 5259 return; 5260 } 5261 Preconditions.checkNotNull(who, "ComponentName is null"); 5262 // Allow setting this policy to true only if there is a split system user. 5263 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5264 throw new UnsupportedOperationException( 5265 "Cannot force ephemeral users on systems without split system user."); 5266 } 5267 boolean removeAllUsers = false; 5268 synchronized (this) { 5269 final ActiveAdmin deviceOwner = 5270 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5271 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5272 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5273 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5274 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5275 removeAllUsers = forceEphemeralUsers; 5276 } 5277 } 5278 if (removeAllUsers) { 5279 long identitity = mInjector.binderClearCallingIdentity(); 5280 try { 5281 mUserManagerInternal.removeAllUsers(); 5282 } finally { 5283 mInjector.binderRestoreCallingIdentity(identitity); 5284 } 5285 } 5286 } 5287 5288 @Override 5289 public boolean getForceEphemeralUsers(ComponentName who) { 5290 if (!mHasFeature) { 5291 return false; 5292 } 5293 Preconditions.checkNotNull(who, "ComponentName is null"); 5294 synchronized (this) { 5295 final ActiveAdmin deviceOwner = 5296 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5297 return deviceOwner.forceEphemeralUsers; 5298 } 5299 } 5300 5301 private boolean isDeviceOwnerManagedSingleUserDevice() { 5302 synchronized (this) { 5303 if (!mOwners.hasDeviceOwner()) { 5304 return false; 5305 } 5306 } 5307 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5308 try { 5309 if (mInjector.userManagerIsSplitSystemUser()) { 5310 // In split system user mode, only allow the case where the device owner is managing 5311 // the only non-system user of the device 5312 return (mUserManager.getUserCount() == 2 5313 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5314 } else { 5315 return mUserManager.getUserCount() == 1; 5316 } 5317 } finally { 5318 mInjector.binderRestoreCallingIdentity(callingIdentity); 5319 } 5320 } 5321 5322 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5323 synchronized (this) { 5324 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5325 } 5326 if (!isDeviceOwnerManagedSingleUserDevice()) { 5327 throw new SecurityException( 5328 "There should only be one user, managed by Device Owner"); 5329 } 5330 } 5331 5332 @Override 5333 public boolean requestBugreport(ComponentName who) { 5334 if (!mHasFeature) { 5335 return false; 5336 } 5337 Preconditions.checkNotNull(who, "ComponentName is null"); 5338 ensureDeviceOwnerManagingSingleUser(who); 5339 5340 if (mRemoteBugreportServiceIsActive.get() 5341 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5342 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5343 return false; 5344 } 5345 5346 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5347 try { 5348 ActivityManagerNative.getDefault().requestBugReport( 5349 ActivityManager.BUGREPORT_OPTION_REMOTE); 5350 5351 mRemoteBugreportServiceIsActive.set(true); 5352 mRemoteBugreportSharingAccepted.set(false); 5353 registerRemoteBugreportReceivers(); 5354 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5355 RemoteBugreportUtils.buildNotification(mContext, 5356 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5357 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5358 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5359 return true; 5360 } catch (RemoteException re) { 5361 // should never happen 5362 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5363 return false; 5364 } finally { 5365 mInjector.binderRestoreCallingIdentity(callingIdentity); 5366 } 5367 } 5368 5369 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5370 Intent intent = new Intent(action); 5371 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5372 if (extras != null) { 5373 intent.putExtras(extras); 5374 } 5375 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5376 } 5377 5378 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5379 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5380 } 5381 5382 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5383 String bugreportHash) { 5384 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5385 } 5386 5387 private void registerRemoteBugreportReceivers() { 5388 try { 5389 IntentFilter filterFinished = new IntentFilter( 5390 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5391 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5392 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5393 } catch (IntentFilter.MalformedMimeTypeException e) { 5394 // should never happen, as setting a constant 5395 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5396 } 5397 IntentFilter filterConsent = new IntentFilter(); 5398 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5399 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5400 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5401 } 5402 5403 private void onBugreportFinished(Intent intent) { 5404 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5405 mRemoteBugreportServiceIsActive.set(false); 5406 Uri bugreportUri = intent.getData(); 5407 String bugreportUriString = null; 5408 if (bugreportUri != null) { 5409 bugreportUriString = bugreportUri.toString(); 5410 } 5411 String bugreportHash = intent.getStringExtra( 5412 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5413 if (mRemoteBugreportSharingAccepted.get()) { 5414 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5415 mInjector.getNotificationManager().cancel(LOG_TAG, 5416 RemoteBugreportUtils.NOTIFICATION_ID); 5417 } else { 5418 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5419 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5420 RemoteBugreportUtils.buildNotification(mContext, 5421 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5422 UserHandle.ALL); 5423 } 5424 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5425 } 5426 5427 private void onBugreportFailed() { 5428 mRemoteBugreportServiceIsActive.set(false); 5429 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5430 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5431 mRemoteBugreportSharingAccepted.set(false); 5432 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5433 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5434 Bundle extras = new Bundle(); 5435 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5436 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5437 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5438 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5439 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5440 } 5441 5442 private void onBugreportSharingAccepted() { 5443 mRemoteBugreportSharingAccepted.set(true); 5444 String bugreportUriString = null; 5445 String bugreportHash = null; 5446 synchronized (this) { 5447 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5448 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5449 } 5450 if (bugreportUriString != null) { 5451 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5452 } else if (mRemoteBugreportServiceIsActive.get()) { 5453 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5454 RemoteBugreportUtils.buildNotification(mContext, 5455 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5456 UserHandle.ALL); 5457 } 5458 } 5459 5460 private void onBugreportSharingDeclined() { 5461 if (mRemoteBugreportServiceIsActive.get()) { 5462 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5463 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5464 mRemoteBugreportServiceIsActive.set(false); 5465 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5466 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5467 } 5468 mRemoteBugreportSharingAccepted.set(false); 5469 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5470 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5471 } 5472 5473 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5474 String bugreportHash) { 5475 ParcelFileDescriptor pfd = null; 5476 try { 5477 if (bugreportUriString == null) { 5478 throw new FileNotFoundException(); 5479 } 5480 Uri bugreportUri = Uri.parse(bugreportUriString); 5481 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5482 5483 synchronized (this) { 5484 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5485 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5486 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5487 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5488 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5489 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5490 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5491 } 5492 } catch (FileNotFoundException e) { 5493 Bundle extras = new Bundle(); 5494 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5495 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5496 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5497 } finally { 5498 try { 5499 if (pfd != null) { 5500 pfd.close(); 5501 } 5502 } catch (IOException ex) { 5503 // Ignore 5504 } 5505 mRemoteBugreportSharingAccepted.set(false); 5506 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5507 } 5508 } 5509 5510 /** 5511 * Disables all device cameras according to the specified admin. 5512 */ 5513 @Override 5514 public void setCameraDisabled(ComponentName who, boolean disabled) { 5515 if (!mHasFeature) { 5516 return; 5517 } 5518 Preconditions.checkNotNull(who, "ComponentName is null"); 5519 final int userHandle = mInjector.userHandleGetCallingUserId(); 5520 synchronized (this) { 5521 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5522 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5523 if (ap.disableCamera != disabled) { 5524 ap.disableCamera = disabled; 5525 saveSettingsLocked(userHandle); 5526 } 5527 } 5528 // Tell the user manager that the restrictions have changed. 5529 pushUserRestrictions(userHandle); 5530 } 5531 5532 /** 5533 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5534 * active admins. 5535 */ 5536 @Override 5537 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5538 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5539 } 5540 5541 private boolean getCameraDisabled(ComponentName who, int userHandle, 5542 boolean mergeDeviceOwnerRestriction) { 5543 if (!mHasFeature) { 5544 return false; 5545 } 5546 synchronized (this) { 5547 if (who != null) { 5548 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5549 return (admin != null) ? admin.disableCamera : false; 5550 } 5551 // First, see if DO has set it. If so, it's device-wide. 5552 if (mergeDeviceOwnerRestriction) { 5553 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5554 if (deviceOwner != null && deviceOwner.disableCamera) { 5555 return true; 5556 } 5557 } 5558 5559 // Then check each device admin on the user. 5560 DevicePolicyData policy = getUserData(userHandle); 5561 // Determine whether or not the device camera is disabled for any active admins. 5562 final int N = policy.mAdminList.size(); 5563 for (int i = 0; i < N; i++) { 5564 ActiveAdmin admin = policy.mAdminList.get(i); 5565 if (admin.disableCamera) { 5566 return true; 5567 } 5568 } 5569 return false; 5570 } 5571 } 5572 5573 @Override 5574 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5575 if (!mHasFeature) { 5576 return; 5577 } 5578 Preconditions.checkNotNull(who, "ComponentName is null"); 5579 final int userHandle = mInjector.userHandleGetCallingUserId(); 5580 if (isManagedProfile(userHandle)) { 5581 if (parent) { 5582 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5583 } else { 5584 which = which & PROFILE_KEYGUARD_FEATURES; 5585 } 5586 } 5587 synchronized (this) { 5588 ActiveAdmin ap = getActiveAdminForCallerLocked( 5589 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5590 if (ap.disabledKeyguardFeatures != which) { 5591 ap.disabledKeyguardFeatures = which; 5592 saveSettingsLocked(userHandle); 5593 } 5594 } 5595 } 5596 5597 /** 5598 * Gets the disabled state for features in keyguard for the given admin, 5599 * or the aggregate of all active admins if who is null. 5600 */ 5601 @Override 5602 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5603 if (!mHasFeature) { 5604 return 0; 5605 } 5606 enforceFullCrossUsersPermission(userHandle); 5607 final long ident = mInjector.binderClearCallingIdentity(); 5608 try { 5609 synchronized (this) { 5610 if (who != null) { 5611 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5612 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5613 } 5614 5615 final List<ActiveAdmin> admins; 5616 if (!parent && isManagedProfile(userHandle)) { 5617 // If we are being asked about a managed profile, just return keyguard features 5618 // disabled by admins in the profile. 5619 admins = getUserDataUnchecked(userHandle).mAdminList; 5620 } else { 5621 // Otherwise return those set by admins in the user and its profiles. 5622 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5623 } 5624 5625 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5626 final int N = admins.size(); 5627 for (int i = 0; i < N; i++) { 5628 ActiveAdmin admin = admins.get(i); 5629 int userId = admin.getUserHandle().getIdentifier(); 5630 boolean isRequestedUser = !parent && (userId == userHandle); 5631 if (isRequestedUser || !isManagedProfile(userId)) { 5632 // If we are being asked explicitly about this user 5633 // return all disabled features even if its a managed profile. 5634 which |= admin.disabledKeyguardFeatures; 5635 } else { 5636 // Otherwise a managed profile is only allowed to disable 5637 // some features on the parent user. 5638 which |= (admin.disabledKeyguardFeatures 5639 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5640 } 5641 } 5642 return which; 5643 } 5644 } finally { 5645 mInjector.binderRestoreCallingIdentity(ident); 5646 } 5647 } 5648 5649 @Override 5650 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5651 if (!mHasFeature) { 5652 return; 5653 } 5654 Preconditions.checkNotNull(who, "ComponentName is null"); 5655 Preconditions.checkNotNull(packageList, "packageList is null"); 5656 final int userHandle = UserHandle.getCallingUserId(); 5657 synchronized (this) { 5658 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5659 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5660 admin.keepUninstalledPackages = packageList; 5661 saveSettingsLocked(userHandle); 5662 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5663 } 5664 } 5665 5666 @Override 5667 public List<String> getKeepUninstalledPackages(ComponentName who) { 5668 Preconditions.checkNotNull(who, "ComponentName is null"); 5669 if (!mHasFeature) { 5670 return null; 5671 } 5672 // TODO In split system user mode, allow apps on user 0 to query the list 5673 synchronized (this) { 5674 // Check if this is the device owner who is calling 5675 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5676 return getKeepUninstalledPackagesLocked(); 5677 } 5678 } 5679 5680 private List<String> getKeepUninstalledPackagesLocked() { 5681 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5682 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5683 } 5684 5685 @Override 5686 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5687 if (!mHasFeature) { 5688 return false; 5689 } 5690 if (admin == null 5691 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5692 throw new IllegalArgumentException("Invalid component " + admin 5693 + " for device owner"); 5694 } 5695 synchronized (this) { 5696 enforceCanSetDeviceOwnerLocked(userId); 5697 if (getActiveAdminUncheckedLocked(admin, userId) == null) { 5698 throw new IllegalArgumentException("Not active admin: " + admin); 5699 } 5700 5701 // Shutting down backup manager service permanently. 5702 long ident = mInjector.binderClearCallingIdentity(); 5703 try { 5704 if (mInjector.getIBackupManager() != null) { 5705 mInjector.getIBackupManager() 5706 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5707 } 5708 } catch (RemoteException e) { 5709 throw new IllegalStateException("Failed deactivating backup service.", e); 5710 } finally { 5711 mInjector.binderRestoreCallingIdentity(ident); 5712 } 5713 5714 mOwners.setDeviceOwner(admin, ownerName, userId); 5715 mOwners.writeDeviceOwner(); 5716 updateDeviceOwnerLocked(); 5717 setDeviceOwnerSystemPropertyLocked(); 5718 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5719 5720 ident = mInjector.binderClearCallingIdentity(); 5721 try { 5722 // TODO Send to system too? 5723 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5724 } finally { 5725 mInjector.binderRestoreCallingIdentity(ident); 5726 } 5727 return true; 5728 } 5729 } 5730 5731 public boolean isDeviceOwner(ComponentName who, int userId) { 5732 synchronized (this) { 5733 return mOwners.hasDeviceOwner() 5734 && mOwners.getDeviceOwnerUserId() == userId 5735 && mOwners.getDeviceOwnerComponent().equals(who); 5736 } 5737 } 5738 5739 public boolean isProfileOwner(ComponentName who, int userId) { 5740 final ComponentName profileOwner = getProfileOwner(userId); 5741 return who != null && who.equals(profileOwner); 5742 } 5743 5744 @Override 5745 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5746 if (!mHasFeature) { 5747 return null; 5748 } 5749 if (!callingUserOnly) { 5750 enforceManageUsers(); 5751 } 5752 synchronized (this) { 5753 if (!mOwners.hasDeviceOwner()) { 5754 return null; 5755 } 5756 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5757 mOwners.getDeviceOwnerUserId()) { 5758 return null; 5759 } 5760 return mOwners.getDeviceOwnerComponent(); 5761 } 5762 } 5763 5764 @Override 5765 public int getDeviceOwnerUserId() { 5766 if (!mHasFeature) { 5767 return UserHandle.USER_NULL; 5768 } 5769 enforceManageUsers(); 5770 synchronized (this) { 5771 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5772 } 5773 } 5774 5775 /** 5776 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5777 * MANAGE_USERS. 5778 */ 5779 @Override 5780 public String getDeviceOwnerName() { 5781 if (!mHasFeature) { 5782 return null; 5783 } 5784 enforceManageUsers(); 5785 synchronized (this) { 5786 if (!mOwners.hasDeviceOwner()) { 5787 return null; 5788 } 5789 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5790 // Should setDeviceOwner/ProfileOwner still take a name? 5791 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5792 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5793 } 5794 } 5795 5796 // Returns the active device owner or null if there is no device owner. 5797 @VisibleForTesting 5798 ActiveAdmin getDeviceOwnerAdminLocked() { 5799 ComponentName component = mOwners.getDeviceOwnerComponent(); 5800 if (component == null) { 5801 return null; 5802 } 5803 5804 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5805 final int n = policy.mAdminList.size(); 5806 for (int i = 0; i < n; i++) { 5807 ActiveAdmin admin = policy.mAdminList.get(i); 5808 if (component.equals(admin.info.getComponent())) { 5809 return admin; 5810 } 5811 } 5812 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5813 return null; 5814 } 5815 5816 @Override 5817 public void clearDeviceOwner(String packageName) { 5818 Preconditions.checkNotNull(packageName, "packageName is null"); 5819 final int callingUid = mInjector.binderGetCallingUid(); 5820 try { 5821 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 5822 UserHandle.getUserId(callingUid)); 5823 if (uid != callingUid) { 5824 throw new SecurityException("Invalid packageName"); 5825 } 5826 } catch (NameNotFoundException e) { 5827 throw new SecurityException(e); 5828 } 5829 synchronized (this) { 5830 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 5831 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 5832 if (!mOwners.hasDeviceOwner() 5833 || !deviceOwnerComponent.getPackageName().equals(packageName) 5834 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 5835 throw new SecurityException( 5836 "clearDeviceOwner can only be called by the device owner"); 5837 } 5838 enforceUserUnlocked(deviceOwnerUserId); 5839 5840 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 5841 long ident = mInjector.binderClearCallingIdentity(); 5842 try { 5843 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 5844 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 5845 } finally { 5846 mInjector.binderRestoreCallingIdentity(ident); 5847 } 5848 } 5849 } 5850 5851 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 5852 if (admin != null) { 5853 admin.disableCamera = false; 5854 admin.userRestrictions = null; 5855 admin.forceEphemeralUsers = false; 5856 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 5857 } 5858 clearUserPoliciesLocked(userId); 5859 5860 mOwners.clearDeviceOwner(); 5861 mOwners.writeDeviceOwner(); 5862 updateDeviceOwnerLocked(); 5863 disableSecurityLoggingIfNotCompliant(); 5864 try { 5865 // Reactivate backup service. 5866 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 5867 } catch (RemoteException e) { 5868 throw new IllegalStateException("Failed reactivating backup service.", e); 5869 } 5870 } 5871 5872 @Override 5873 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 5874 if (!mHasFeature) { 5875 return false; 5876 } 5877 if (who == null 5878 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 5879 throw new IllegalArgumentException("Component " + who 5880 + " not installed for userId:" + userHandle); 5881 } 5882 synchronized (this) { 5883 enforceCanSetProfileOwnerLocked(userHandle); 5884 5885 if (getActiveAdminUncheckedLocked(who, userHandle) == null) { 5886 throw new IllegalArgumentException("Not active admin: " + who); 5887 } 5888 5889 mOwners.setProfileOwner(who, ownerName, userHandle); 5890 mOwners.writeProfileOwner(userHandle); 5891 return true; 5892 } 5893 } 5894 5895 @Override 5896 public void clearProfileOwner(ComponentName who) { 5897 if (!mHasFeature) { 5898 return; 5899 } 5900 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 5901 final int userId = callingUser.getIdentifier(); 5902 enforceNotManagedProfile(userId, "clear profile owner"); 5903 enforceUserUnlocked(userId); 5904 // Check if this is the profile owner who is calling 5905 final ActiveAdmin admin = 5906 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5907 synchronized (this) { 5908 final long ident = mInjector.binderClearCallingIdentity(); 5909 try { 5910 clearProfileOwnerLocked(admin, userId); 5911 removeActiveAdminLocked(who, userId); 5912 } finally { 5913 mInjector.binderRestoreCallingIdentity(ident); 5914 } 5915 } 5916 } 5917 5918 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 5919 if (admin != null) { 5920 admin.disableCamera = false; 5921 admin.userRestrictions = null; 5922 } 5923 clearUserPoliciesLocked(userId); 5924 mOwners.removeProfileOwner(userId); 5925 mOwners.writeProfileOwner(userId); 5926 } 5927 5928 @Override 5929 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 5930 Preconditions.checkNotNull(who, "ComponentName is null"); 5931 if (!mHasFeature) { 5932 return; 5933 } 5934 5935 synchronized (this) { 5936 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5937 long token = mInjector.binderClearCallingIdentity(); 5938 try { 5939 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 5940 } finally { 5941 mInjector.binderRestoreCallingIdentity(token); 5942 } 5943 } 5944 } 5945 5946 @Override 5947 public CharSequence getDeviceOwnerLockScreenInfo() { 5948 return mLockPatternUtils.getDeviceOwnerInfo(); 5949 } 5950 5951 private void clearUserPoliciesLocked(int userId) { 5952 // Reset some of the user-specific policies 5953 DevicePolicyData policy = getUserData(userId); 5954 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 5955 policy.mDelegatedCertInstallerPackage = null; 5956 policy.mApplicationRestrictionsManagingPackage = null; 5957 policy.mStatusBarDisabled = false; 5958 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 5959 saveSettingsLocked(userId); 5960 5961 try { 5962 mIPackageManager.updatePermissionFlagsForAllApps( 5963 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 5964 0 /* flagValues */, userId); 5965 pushUserRestrictions(userId); 5966 } catch (RemoteException re) { 5967 // Shouldn't happen. 5968 } 5969 } 5970 5971 @Override 5972 public boolean hasUserSetupCompleted() { 5973 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 5974 } 5975 5976 private boolean hasUserSetupCompleted(int userHandle) { 5977 if (!mHasFeature) { 5978 return true; 5979 } 5980 return getUserData(userHandle).mUserSetupComplete; 5981 } 5982 5983 @Override 5984 public int getUserProvisioningState() { 5985 if (!mHasFeature) { 5986 return DevicePolicyManager.STATE_USER_UNMANAGED; 5987 } 5988 int userHandle = mInjector.userHandleGetCallingUserId(); 5989 return getUserProvisioningState(userHandle); 5990 } 5991 5992 private int getUserProvisioningState(int userHandle) { 5993 return getUserData(userHandle).mUserProvisioningState; 5994 } 5995 5996 @Override 5997 public void setUserProvisioningState(int newState, int userHandle) { 5998 if (!mHasFeature) { 5999 return; 6000 } 6001 6002 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6003 && getManagedUserId(userHandle) == -1) { 6004 // No managed device, user or profile, so setting provisioning state makes no sense. 6005 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6006 + "device or profile owner is set."); 6007 } 6008 6009 synchronized (this) { 6010 boolean transitionCheckNeeded = true; 6011 6012 // Calling identity/permission checks. 6013 final int callingUid = mInjector.binderGetCallingUid(); 6014 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6015 // ADB shell can only move directly from un-managed to finalized as part of directly 6016 // setting profile-owner or device-owner. 6017 if (getUserProvisioningState(userHandle) != 6018 DevicePolicyManager.STATE_USER_UNMANAGED 6019 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6020 throw new IllegalStateException("Not allowed to change provisioning state " 6021 + "unless current provisioning state is unmanaged, and new state is " 6022 + "finalized."); 6023 } 6024 transitionCheckNeeded = false; 6025 } else { 6026 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6027 enforceCanManageProfileAndDeviceOwners(); 6028 } 6029 6030 final DevicePolicyData policyData = getUserData(userHandle); 6031 if (transitionCheckNeeded) { 6032 // Optional state transition check for non-ADB case. 6033 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6034 } 6035 policyData.mUserProvisioningState = newState; 6036 saveSettingsLocked(userHandle); 6037 } 6038 } 6039 6040 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6041 // Valid transitions for normal use-cases. 6042 switch (currentState) { 6043 case DevicePolicyManager.STATE_USER_UNMANAGED: 6044 // Can move to any state from unmanaged (except itself as an edge case).. 6045 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6046 return; 6047 } 6048 break; 6049 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6050 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6051 // Can only move to finalized from these states. 6052 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6053 return; 6054 } 6055 break; 6056 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6057 // Current user has a managed-profile, but current user is not managed, so 6058 // rather than moving to finalized state, go back to unmanaged once 6059 // profile provisioning is complete. 6060 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6061 return; 6062 } 6063 break; 6064 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6065 // Cannot transition out of finalized. 6066 break; 6067 } 6068 6069 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6070 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6071 + "from state [" + currentState + "]"); 6072 } 6073 6074 @Override 6075 public void setProfileEnabled(ComponentName who) { 6076 if (!mHasFeature) { 6077 return; 6078 } 6079 Preconditions.checkNotNull(who, "ComponentName is null"); 6080 synchronized (this) { 6081 // Check if this is the profile owner who is calling 6082 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6083 final int userId = UserHandle.getCallingUserId(); 6084 enforceManagedProfile(userId, "enable the profile"); 6085 6086 long id = mInjector.binderClearCallingIdentity(); 6087 try { 6088 mUserManager.setUserEnabled(userId); 6089 UserInfo parent = mUserManager.getProfileParent(userId); 6090 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6091 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6092 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6093 Intent.FLAG_RECEIVER_FOREGROUND); 6094 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6095 } finally { 6096 mInjector.binderRestoreCallingIdentity(id); 6097 } 6098 } 6099 } 6100 6101 @Override 6102 public void setProfileName(ComponentName who, String profileName) { 6103 Preconditions.checkNotNull(who, "ComponentName is null"); 6104 int userId = UserHandle.getCallingUserId(); 6105 // Check if this is the profile owner (includes device owner). 6106 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6107 6108 long id = mInjector.binderClearCallingIdentity(); 6109 try { 6110 mUserManager.setUserName(userId, profileName); 6111 } finally { 6112 mInjector.binderRestoreCallingIdentity(id); 6113 } 6114 } 6115 6116 @Override 6117 public ComponentName getProfileOwner(int userHandle) { 6118 if (!mHasFeature) { 6119 return null; 6120 } 6121 6122 synchronized (this) { 6123 return mOwners.getProfileOwnerComponent(userHandle); 6124 } 6125 } 6126 6127 // Returns the active profile owner for this user or null if the current user has no 6128 // profile owner. 6129 @VisibleForTesting 6130 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6131 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6132 if (profileOwner == null) { 6133 return null; 6134 } 6135 DevicePolicyData policy = getUserData(userHandle); 6136 final int n = policy.mAdminList.size(); 6137 for (int i = 0; i < n; i++) { 6138 ActiveAdmin admin = policy.mAdminList.get(i); 6139 if (profileOwner.equals(admin.info.getComponent())) { 6140 return admin; 6141 } 6142 } 6143 return null; 6144 } 6145 6146 @Override 6147 public String getProfileOwnerName(int userHandle) { 6148 if (!mHasFeature) { 6149 return null; 6150 } 6151 enforceManageUsers(); 6152 ComponentName profileOwner = getProfileOwner(userHandle); 6153 if (profileOwner == null) { 6154 return null; 6155 } 6156 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6157 } 6158 6159 /** 6160 * Canonical name for a given package. 6161 */ 6162 private String getApplicationLabel(String packageName, int userHandle) { 6163 long token = mInjector.binderClearCallingIdentity(); 6164 try { 6165 final Context userContext; 6166 try { 6167 UserHandle handle = new UserHandle(userHandle); 6168 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6169 } catch (PackageManager.NameNotFoundException nnfe) { 6170 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6171 return null; 6172 } 6173 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6174 CharSequence result = null; 6175 if (appInfo != null) { 6176 PackageManager pm = userContext.getPackageManager(); 6177 result = pm.getApplicationLabel(appInfo); 6178 } 6179 return result != null ? result.toString() : null; 6180 } finally { 6181 mInjector.binderRestoreCallingIdentity(token); 6182 } 6183 } 6184 6185 /** 6186 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6187 * permission. 6188 * The profile owner can only be set before the user setup phase has completed, 6189 * except for: 6190 * - SYSTEM_UID 6191 * - adb if there are not accounts. 6192 */ 6193 private void enforceCanSetProfileOwnerLocked(int userHandle) { 6194 UserInfo info = getUserInfo(userHandle); 6195 if (info == null) { 6196 // User doesn't exist. 6197 throw new IllegalArgumentException( 6198 "Attempted to set profile owner for invalid userId: " + userHandle); 6199 } 6200 if (info.isGuest()) { 6201 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6202 } 6203 if (mOwners.hasProfileOwner(userHandle)) { 6204 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6205 + "is already set."); 6206 } 6207 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6208 throw new IllegalStateException("Trying to set the profile owner, but the user " 6209 + "already has a device owner."); 6210 } 6211 int callingUid = mInjector.binderGetCallingUid(); 6212 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6213 if (hasUserSetupCompleted(userHandle) && 6214 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 6215 throw new IllegalStateException("Not allowed to set the profile owner because " 6216 + "there are already some accounts on the profile"); 6217 } 6218 return; 6219 } 6220 enforceCanManageProfileAndDeviceOwners(); 6221 if (hasUserSetupCompleted(userHandle) && !isCallerWithSystemUid()) { 6222 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6223 + "already set-up"); 6224 } 6225 } 6226 6227 /** 6228 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6229 * permission. 6230 */ 6231 private void enforceCanSetDeviceOwnerLocked(int userId) { 6232 int callingUid = mInjector.binderGetCallingUid(); 6233 boolean isAdb = callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 6234 if (!isAdb) { 6235 enforceCanManageProfileAndDeviceOwners(); 6236 } 6237 6238 final int code = checkSetDeviceOwnerPreCondition(userId, isAdb); 6239 switch (code) { 6240 case CODE_OK: 6241 return; 6242 case CODE_HAS_DEVICE_OWNER: 6243 throw new IllegalStateException( 6244 "Trying to set the device owner, but device owner is already set."); 6245 case CODE_USER_HAS_PROFILE_OWNER: 6246 throw new IllegalStateException("Trying to set the device owner, but the user " 6247 + "already has a profile owner."); 6248 case CODE_USER_NOT_RUNNING: 6249 throw new IllegalStateException("User not running: " + userId); 6250 case CODE_NOT_SYSTEM_USER: 6251 throw new IllegalStateException("User is not system user"); 6252 case CODE_USER_SETUP_COMPLETED: 6253 throw new IllegalStateException( 6254 "Cannot set the device owner if the device is already set-up"); 6255 case CODE_NONSYSTEM_USER_EXISTS: 6256 throw new IllegalStateException("Not allowed to set the device owner because there " 6257 + "are already several users on the device"); 6258 case CODE_ACCOUNTS_NOT_EMPTY: 6259 throw new IllegalStateException("Not allowed to set the device owner because there " 6260 + "are already some accounts on the device"); 6261 default: 6262 throw new IllegalStateException("Unknown @DeviceOwnerPreConditionCode " + code); 6263 } 6264 } 6265 6266 private void enforceUserUnlocked(int userId) { 6267 // Since we're doing this operation on behalf of an app, we only 6268 // want to use the actual "unlocked" state. 6269 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6270 "User must be running and unlocked"); 6271 } 6272 6273 private void enforceManageUsers() { 6274 final int callingUid = mInjector.binderGetCallingUid(); 6275 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6276 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6277 } 6278 } 6279 6280 private void enforceFullCrossUsersPermission(int userHandle) { 6281 enforceSystemUserOrPermission(userHandle, 6282 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6283 } 6284 6285 private void enforceCrossUsersPermission(int userHandle) { 6286 enforceSystemUserOrPermission(userHandle, 6287 android.Manifest.permission.INTERACT_ACROSS_USERS); 6288 } 6289 6290 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6291 if (userHandle < 0) { 6292 throw new IllegalArgumentException("Invalid userId " + userHandle); 6293 } 6294 final int callingUid = mInjector.binderGetCallingUid(); 6295 if (userHandle == UserHandle.getUserId(callingUid)) { 6296 return; 6297 } 6298 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6299 mContext.enforceCallingOrSelfPermission(permission, 6300 "Must be system or have " + permission + " permission"); 6301 } 6302 } 6303 6304 private void enforceManagedProfile(int userHandle, String message) { 6305 if(!isManagedProfile(userHandle)) { 6306 throw new SecurityException("You can not " + message + " outside a managed profile."); 6307 } 6308 } 6309 6310 private void enforceNotManagedProfile(int userHandle, String message) { 6311 if(isManagedProfile(userHandle)) { 6312 throw new SecurityException("You can not " + message + " for a managed profile."); 6313 } 6314 } 6315 6316 private void ensureCallerPackage(@Nullable String packageName) { 6317 if (packageName == null) { 6318 Preconditions.checkState(isCallerWithSystemUid(), 6319 "Only caller can omit package name"); 6320 } else { 6321 final int callingUid = mInjector.binderGetCallingUid(); 6322 final int userId = mInjector.userHandleGetCallingUserId(); 6323 try { 6324 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6325 packageName, 0, userId); 6326 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6327 } catch (RemoteException e) { 6328 // Shouldn't happen 6329 } 6330 } 6331 } 6332 6333 private boolean isCallerWithSystemUid() { 6334 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6335 } 6336 6337 private int getProfileParentId(int userHandle) { 6338 final long ident = mInjector.binderClearCallingIdentity(); 6339 try { 6340 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6341 return parentUser != null ? parentUser.id : userHandle; 6342 } finally { 6343 mInjector.binderRestoreCallingIdentity(ident); 6344 } 6345 } 6346 6347 private int getCredentialOwner(int userHandle, boolean parent) { 6348 final long ident = mInjector.binderClearCallingIdentity(); 6349 try { 6350 if (parent) { 6351 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6352 if (parentProfile != null) { 6353 userHandle = parentProfile.id; 6354 } 6355 } 6356 return mUserManager.getCredentialOwnerProfile(userHandle); 6357 } finally { 6358 mInjector.binderRestoreCallingIdentity(ident); 6359 } 6360 } 6361 6362 private boolean isManagedProfile(int userHandle) { 6363 return getUserInfo(userHandle).isManagedProfile(); 6364 } 6365 6366 private void enableIfNecessary(String packageName, int userId) { 6367 try { 6368 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6369 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6370 userId); 6371 if (ai.enabledSetting 6372 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6373 mIPackageManager.setApplicationEnabledSetting(packageName, 6374 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6375 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6376 } 6377 } catch (RemoteException e) { 6378 } 6379 } 6380 6381 @Override 6382 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6383 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6384 != PackageManager.PERMISSION_GRANTED) { 6385 6386 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6387 + mInjector.binderGetCallingPid() 6388 + ", uid=" + mInjector.binderGetCallingUid()); 6389 return; 6390 } 6391 6392 synchronized (this) { 6393 pw.println("Current Device Policy Manager state:"); 6394 mOwners.dump(" ", pw); 6395 int userCount = mUserData.size(); 6396 for (int u = 0; u < userCount; u++) { 6397 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6398 pw.println(); 6399 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6400 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6401 final int N = policy.mAdminList.size(); 6402 for (int i=0; i<N; i++) { 6403 ActiveAdmin ap = policy.mAdminList.get(i); 6404 if (ap != null) { 6405 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6406 pw.println(":"); 6407 ap.dump(" ", pw); 6408 } 6409 } 6410 if (!policy.mRemovingAdmins.isEmpty()) { 6411 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6412 + policy.mRemovingAdmins); 6413 } 6414 6415 pw.println(" "); 6416 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6417 } 6418 pw.println(); 6419 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6420 } 6421 } 6422 6423 private String getEncryptionStatusName(int encryptionStatus) { 6424 switch (encryptionStatus) { 6425 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6426 return "inactive"; 6427 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6428 return "block default key"; 6429 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6430 return "block"; 6431 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6432 return "per-user"; 6433 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6434 return "unsupported"; 6435 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6436 return "activating"; 6437 default: 6438 return "unknown"; 6439 } 6440 } 6441 6442 @Override 6443 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6444 ComponentName activity) { 6445 Preconditions.checkNotNull(who, "ComponentName is null"); 6446 final int userHandle = UserHandle.getCallingUserId(); 6447 synchronized (this) { 6448 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6449 6450 long id = mInjector.binderClearCallingIdentity(); 6451 try { 6452 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6453 } catch (RemoteException re) { 6454 // Shouldn't happen 6455 } finally { 6456 mInjector.binderRestoreCallingIdentity(id); 6457 } 6458 } 6459 } 6460 6461 @Override 6462 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6463 Preconditions.checkNotNull(who, "ComponentName is null"); 6464 final int userHandle = UserHandle.getCallingUserId(); 6465 synchronized (this) { 6466 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6467 6468 long id = mInjector.binderClearCallingIdentity(); 6469 try { 6470 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6471 } catch (RemoteException re) { 6472 // Shouldn't happen 6473 } finally { 6474 mInjector.binderRestoreCallingIdentity(id); 6475 } 6476 } 6477 } 6478 6479 @Override 6480 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6481 String packageName) { 6482 Preconditions.checkNotNull(admin, "ComponentName is null"); 6483 6484 final int userHandle = mInjector.userHandleGetCallingUserId(); 6485 synchronized (this) { 6486 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6487 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6488 return false; 6489 } 6490 DevicePolicyData policy = getUserData(userHandle); 6491 policy.mApplicationRestrictionsManagingPackage = packageName; 6492 saveSettingsLocked(userHandle); 6493 return true; 6494 } 6495 } 6496 6497 @Override 6498 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6499 Preconditions.checkNotNull(admin, "ComponentName is null"); 6500 6501 final int userHandle = mInjector.userHandleGetCallingUserId(); 6502 synchronized (this) { 6503 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6504 DevicePolicyData policy = getUserData(userHandle); 6505 return policy.mApplicationRestrictionsManagingPackage; 6506 } 6507 } 6508 6509 @Override 6510 public boolean isCallerApplicationRestrictionsManagingPackage() { 6511 final int callingUid = mInjector.binderGetCallingUid(); 6512 final int userHandle = UserHandle.getUserId(callingUid); 6513 synchronized (this) { 6514 final DevicePolicyData policy = getUserData(userHandle); 6515 if (policy.mApplicationRestrictionsManagingPackage == null) { 6516 return false; 6517 } 6518 6519 try { 6520 int uid = mContext.getPackageManager().getPackageUidAsUser( 6521 policy.mApplicationRestrictionsManagingPackage, userHandle); 6522 return uid == callingUid; 6523 } catch (NameNotFoundException e) { 6524 return false; 6525 } 6526 } 6527 } 6528 6529 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6530 if (who != null) { 6531 synchronized (this) { 6532 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6533 } 6534 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6535 throw new SecurityException( 6536 "No admin component given, and caller cannot manage application restrictions " 6537 + "for other apps."); 6538 } 6539 } 6540 6541 @Override 6542 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6543 enforceCanManageApplicationRestrictions(who); 6544 6545 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6546 final long id = mInjector.binderClearCallingIdentity(); 6547 try { 6548 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6549 } finally { 6550 mInjector.binderRestoreCallingIdentity(id); 6551 } 6552 } 6553 6554 @Override 6555 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6556 PersistableBundle args, boolean parent) { 6557 if (!mHasFeature) { 6558 return; 6559 } 6560 Preconditions.checkNotNull(admin, "admin is null"); 6561 Preconditions.checkNotNull(agent, "agent is null"); 6562 final int userHandle = UserHandle.getCallingUserId(); 6563 synchronized (this) { 6564 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6565 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6566 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6567 saveSettingsLocked(userHandle); 6568 } 6569 } 6570 6571 @Override 6572 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6573 ComponentName agent, int userHandle, boolean parent) { 6574 if (!mHasFeature) { 6575 return null; 6576 } 6577 Preconditions.checkNotNull(agent, "agent null"); 6578 enforceFullCrossUsersPermission(userHandle); 6579 6580 synchronized (this) { 6581 final String componentName = agent.flattenToString(); 6582 if (admin != null) { 6583 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 6584 if (ap == null) return null; 6585 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6586 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6587 List<PersistableBundle> result = new ArrayList<>(); 6588 result.add(trustAgentInfo.options); 6589 return result; 6590 } 6591 6592 // Return strictest policy for this user and profiles that are visible from this user. 6593 List<PersistableBundle> result = null; 6594 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6595 // of the options. If any admin doesn't have options, discard options for the rest 6596 // and return null. 6597 List<ActiveAdmin> admins = 6598 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6599 boolean allAdminsHaveOptions = true; 6600 final int N = admins.size(); 6601 for (int i = 0; i < N; i++) { 6602 final ActiveAdmin active = admins.get(i); 6603 6604 final boolean disablesTrust = (active.disabledKeyguardFeatures 6605 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6606 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6607 if (info != null && info.options != null && !info.options.isEmpty()) { 6608 if (disablesTrust) { 6609 if (result == null) { 6610 result = new ArrayList<>(); 6611 } 6612 result.add(info.options); 6613 } else { 6614 Log.w(LOG_TAG, "Ignoring admin " + active.info 6615 + " because it has trust options but doesn't declare " 6616 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6617 } 6618 } else if (disablesTrust) { 6619 allAdminsHaveOptions = false; 6620 break; 6621 } 6622 } 6623 return allAdminsHaveOptions ? result : null; 6624 } 6625 } 6626 6627 @Override 6628 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 6629 Preconditions.checkNotNull(who, "ComponentName is null"); 6630 synchronized (this) { 6631 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6632 6633 int userHandle = UserHandle.getCallingUserId(); 6634 DevicePolicyData userData = getUserData(userHandle); 6635 userData.mRestrictionsProvider = permissionProvider; 6636 saveSettingsLocked(userHandle); 6637 } 6638 } 6639 6640 @Override 6641 public ComponentName getRestrictionsProvider(int userHandle) { 6642 synchronized (this) { 6643 if (!isCallerWithSystemUid()) { 6644 throw new SecurityException("Only the system can query the permission provider"); 6645 } 6646 DevicePolicyData userData = getUserData(userHandle); 6647 return userData != null ? userData.mRestrictionsProvider : null; 6648 } 6649 } 6650 6651 @Override 6652 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 6653 Preconditions.checkNotNull(who, "ComponentName is null"); 6654 int callingUserId = UserHandle.getCallingUserId(); 6655 synchronized (this) { 6656 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6657 6658 long id = mInjector.binderClearCallingIdentity(); 6659 try { 6660 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6661 if (parent == null) { 6662 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 6663 + "parent"); 6664 return; 6665 } 6666 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 6667 mIPackageManager.addCrossProfileIntentFilter( 6668 filter, who.getPackageName(), callingUserId, parent.id, 0); 6669 } 6670 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 6671 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 6672 parent.id, callingUserId, 0); 6673 } 6674 } catch (RemoteException re) { 6675 // Shouldn't happen 6676 } finally { 6677 mInjector.binderRestoreCallingIdentity(id); 6678 } 6679 } 6680 } 6681 6682 @Override 6683 public void clearCrossProfileIntentFilters(ComponentName who) { 6684 Preconditions.checkNotNull(who, "ComponentName is null"); 6685 int callingUserId = UserHandle.getCallingUserId(); 6686 synchronized (this) { 6687 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6688 long id = mInjector.binderClearCallingIdentity(); 6689 try { 6690 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6691 if (parent == null) { 6692 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 6693 + "parent"); 6694 return; 6695 } 6696 // Removing those that go from the managed profile to the parent. 6697 mIPackageManager.clearCrossProfileIntentFilters( 6698 callingUserId, who.getPackageName()); 6699 // And those that go from the parent to the managed profile. 6700 // If we want to support multiple managed profiles, we will have to only remove 6701 // those that have callingUserId as their target. 6702 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 6703 } catch (RemoteException re) { 6704 // Shouldn't happen 6705 } finally { 6706 mInjector.binderRestoreCallingIdentity(id); 6707 } 6708 } 6709 } 6710 6711 /** 6712 * @return true if all packages in enabledPackages are either in the list 6713 * permittedList or are a system app. 6714 */ 6715 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 6716 List<String> permittedList, int userIdToCheck) { 6717 long id = mInjector.binderClearCallingIdentity(); 6718 try { 6719 // If we have an enabled packages list for a managed profile the packages 6720 // we should check are installed for the parent user. 6721 UserInfo user = getUserInfo(userIdToCheck); 6722 if (user.isManagedProfile()) { 6723 userIdToCheck = user.profileGroupId; 6724 } 6725 6726 for (String enabledPackage : enabledPackages) { 6727 boolean systemService = false; 6728 try { 6729 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 6730 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 6731 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6732 } catch (RemoteException e) { 6733 Log.i(LOG_TAG, "Can't talk to package managed", e); 6734 } 6735 if (!systemService && !permittedList.contains(enabledPackage)) { 6736 return false; 6737 } 6738 } 6739 } finally { 6740 mInjector.binderRestoreCallingIdentity(id); 6741 } 6742 return true; 6743 } 6744 6745 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 6746 // Not using AccessibilityManager.getInstance because that guesses 6747 // at the user you require based on callingUid and caches for a given 6748 // process. 6749 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 6750 IAccessibilityManager service = iBinder == null 6751 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 6752 return new AccessibilityManager(mContext, service, userId); 6753 } 6754 6755 @Override 6756 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 6757 if (!mHasFeature) { 6758 return false; 6759 } 6760 Preconditions.checkNotNull(who, "ComponentName is null"); 6761 6762 if (packageList != null) { 6763 int userId = UserHandle.getCallingUserId(); 6764 List<AccessibilityServiceInfo> enabledServices = null; 6765 long id = mInjector.binderClearCallingIdentity(); 6766 try { 6767 UserInfo user = getUserInfo(userId); 6768 if (user.isManagedProfile()) { 6769 userId = user.profileGroupId; 6770 } 6771 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 6772 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 6773 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 6774 } finally { 6775 mInjector.binderRestoreCallingIdentity(id); 6776 } 6777 6778 if (enabledServices != null) { 6779 List<String> enabledPackages = new ArrayList<String>(); 6780 for (AccessibilityServiceInfo service : enabledServices) { 6781 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 6782 } 6783 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6784 userId)) { 6785 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 6786 + "because it contains already enabled accesibility services."); 6787 return false; 6788 } 6789 } 6790 } 6791 6792 synchronized (this) { 6793 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6794 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6795 admin.permittedAccessiblityServices = packageList; 6796 saveSettingsLocked(UserHandle.getCallingUserId()); 6797 } 6798 return true; 6799 } 6800 6801 @Override 6802 public List getPermittedAccessibilityServices(ComponentName who) { 6803 if (!mHasFeature) { 6804 return null; 6805 } 6806 Preconditions.checkNotNull(who, "ComponentName is null"); 6807 6808 synchronized (this) { 6809 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6810 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6811 return admin.permittedAccessiblityServices; 6812 } 6813 } 6814 6815 @Override 6816 public List getPermittedAccessibilityServicesForUser(int userId) { 6817 if (!mHasFeature) { 6818 return null; 6819 } 6820 synchronized (this) { 6821 List<String> result = null; 6822 // If we have multiple profiles we return the intersection of the 6823 // permitted lists. This can happen in cases where we have a device 6824 // and profile owner. 6825 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 6826 for (int profileId : profileIds) { 6827 // Just loop though all admins, only device or profiles 6828 // owners can have permitted lists set. 6829 DevicePolicyData policy = getUserDataUnchecked(profileId); 6830 final int N = policy.mAdminList.size(); 6831 for (int j = 0; j < N; j++) { 6832 ActiveAdmin admin = policy.mAdminList.get(j); 6833 List<String> fromAdmin = admin.permittedAccessiblityServices; 6834 if (fromAdmin != null) { 6835 if (result == null) { 6836 result = new ArrayList<>(fromAdmin); 6837 } else { 6838 result.retainAll(fromAdmin); 6839 } 6840 } 6841 } 6842 } 6843 6844 // If we have a permitted list add all system accessibility services. 6845 if (result != null) { 6846 long id = mInjector.binderClearCallingIdentity(); 6847 try { 6848 UserInfo user = getUserInfo(userId); 6849 if (user.isManagedProfile()) { 6850 userId = user.profileGroupId; 6851 } 6852 AccessibilityManager accessibilityManager = 6853 getAccessibilityManagerForUser(userId); 6854 List<AccessibilityServiceInfo> installedServices = 6855 accessibilityManager.getInstalledAccessibilityServiceList(); 6856 6857 if (installedServices != null) { 6858 for (AccessibilityServiceInfo service : installedServices) { 6859 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 6860 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6861 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6862 result.add(serviceInfo.packageName); 6863 } 6864 } 6865 } 6866 } finally { 6867 mInjector.binderRestoreCallingIdentity(id); 6868 } 6869 } 6870 6871 return result; 6872 } 6873 } 6874 6875 @Override 6876 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 6877 int userHandle) { 6878 if (!mHasFeature) { 6879 return true; 6880 } 6881 Preconditions.checkNotNull(who, "ComponentName is null"); 6882 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 6883 if (!isCallerWithSystemUid()){ 6884 throw new SecurityException( 6885 "Only the system can query if an accessibility service is disabled by admin"); 6886 } 6887 synchronized (this) { 6888 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6889 if (admin == null) { 6890 return false; 6891 } 6892 if (admin.permittedAccessiblityServices == null) { 6893 return true; 6894 } 6895 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 6896 admin.permittedAccessiblityServices, userHandle); 6897 } 6898 } 6899 6900 private boolean checkCallerIsCurrentUserOrProfile() { 6901 int callingUserId = UserHandle.getCallingUserId(); 6902 long token = mInjector.binderClearCallingIdentity(); 6903 try { 6904 UserInfo currentUser; 6905 UserInfo callingUser = getUserInfo(callingUserId); 6906 try { 6907 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6908 } catch (RemoteException e) { 6909 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 6910 return false; 6911 } 6912 6913 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 6914 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 6915 + "of a user that isn't the foreground user."); 6916 return false; 6917 } 6918 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 6919 Slog.e(LOG_TAG, "Cannot set permitted input methods " 6920 + "of a user that isn't the foreground user."); 6921 return false; 6922 } 6923 } finally { 6924 mInjector.binderRestoreCallingIdentity(token); 6925 } 6926 return true; 6927 } 6928 6929 @Override 6930 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 6931 if (!mHasFeature) { 6932 return false; 6933 } 6934 Preconditions.checkNotNull(who, "ComponentName is null"); 6935 6936 // TODO When InputMethodManager supports per user calls remove 6937 // this restriction. 6938 if (!checkCallerIsCurrentUserOrProfile()) { 6939 return false; 6940 } 6941 6942 if (packageList != null) { 6943 // InputMethodManager fetches input methods for current user. 6944 // So this can only be set when calling user is the current user 6945 // or parent is current user in case of managed profiles. 6946 InputMethodManager inputMethodManager = 6947 mContext.getSystemService(InputMethodManager.class); 6948 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 6949 6950 if (enabledImes != null) { 6951 List<String> enabledPackages = new ArrayList<String>(); 6952 for (InputMethodInfo ime : enabledImes) { 6953 enabledPackages.add(ime.getPackageName()); 6954 } 6955 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6956 mInjector.binderGetCallingUserHandle().getIdentifier())) { 6957 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 6958 + "because it contains already enabled input method."); 6959 return false; 6960 } 6961 } 6962 } 6963 6964 synchronized (this) { 6965 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6966 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6967 admin.permittedInputMethods = packageList; 6968 saveSettingsLocked(UserHandle.getCallingUserId()); 6969 } 6970 return true; 6971 } 6972 6973 @Override 6974 public List getPermittedInputMethods(ComponentName who) { 6975 if (!mHasFeature) { 6976 return null; 6977 } 6978 Preconditions.checkNotNull(who, "ComponentName is null"); 6979 6980 synchronized (this) { 6981 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6982 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6983 return admin.permittedInputMethods; 6984 } 6985 } 6986 6987 @Override 6988 public List getPermittedInputMethodsForCurrentUser() { 6989 UserInfo currentUser; 6990 try { 6991 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6992 } catch (RemoteException e) { 6993 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 6994 // Activity managed is dead, just allow all IMEs 6995 return null; 6996 } 6997 6998 int userId = currentUser.id; 6999 synchronized (this) { 7000 List<String> result = null; 7001 // If we have multiple profiles we return the intersection of the 7002 // permitted lists. This can happen in cases where we have a device 7003 // and profile owner. 7004 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7005 for (int profileId : profileIds) { 7006 // Just loop though all admins, only device or profiles 7007 // owners can have permitted lists set. 7008 DevicePolicyData policy = getUserDataUnchecked(profileId); 7009 final int N = policy.mAdminList.size(); 7010 for (int j = 0; j < N; j++) { 7011 ActiveAdmin admin = policy.mAdminList.get(j); 7012 List<String> fromAdmin = admin.permittedInputMethods; 7013 if (fromAdmin != null) { 7014 if (result == null) { 7015 result = new ArrayList<String>(fromAdmin); 7016 } else { 7017 result.retainAll(fromAdmin); 7018 } 7019 } 7020 } 7021 } 7022 7023 // If we have a permitted list add all system input methods. 7024 if (result != null) { 7025 InputMethodManager inputMethodManager = 7026 mContext.getSystemService(InputMethodManager.class); 7027 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7028 long id = mInjector.binderClearCallingIdentity(); 7029 try { 7030 if (imes != null) { 7031 for (InputMethodInfo ime : imes) { 7032 ServiceInfo serviceInfo = ime.getServiceInfo(); 7033 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7034 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7035 result.add(serviceInfo.packageName); 7036 } 7037 } 7038 } 7039 } finally { 7040 mInjector.binderRestoreCallingIdentity(id); 7041 } 7042 } 7043 return result; 7044 } 7045 } 7046 7047 @Override 7048 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7049 int userHandle) { 7050 if (!mHasFeature) { 7051 return true; 7052 } 7053 Preconditions.checkNotNull(who, "ComponentName is null"); 7054 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7055 if (!isCallerWithSystemUid()) { 7056 throw new SecurityException( 7057 "Only the system can query if an input method is disabled by admin"); 7058 } 7059 synchronized (this) { 7060 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7061 if (admin == null) { 7062 return false; 7063 } 7064 if (admin.permittedInputMethods == null) { 7065 return true; 7066 } 7067 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7068 admin.permittedInputMethods, userHandle); 7069 } 7070 } 7071 7072 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7073 DevicePolicyData policyData = getUserData(userHandle); 7074 if (policyData.mAdminBroadcastPending) { 7075 // Send the initialization data to profile owner and delete the data 7076 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7077 if (admin != null) { 7078 PersistableBundle initBundle = policyData.mInitBundle; 7079 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7080 initBundle == null ? null : new Bundle(initBundle), null); 7081 } 7082 policyData.mInitBundle = null; 7083 policyData.mAdminBroadcastPending = false; 7084 saveSettingsLocked(userHandle); 7085 } 7086 } 7087 7088 @Override 7089 public UserHandle createAndManageUser(ComponentName admin, String name, 7090 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7091 Preconditions.checkNotNull(admin, "admin is null"); 7092 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7093 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7094 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7095 + admin + " are not in the same package"); 7096 } 7097 // Only allow the system user to use this method 7098 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7099 throw new SecurityException("createAndManageUser was called from non-system user"); 7100 } 7101 if (!mInjector.userManagerIsSplitSystemUser() 7102 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7103 throw new IllegalArgumentException( 7104 "Ephemeral users are only supported on systems with a split system user."); 7105 } 7106 // Create user. 7107 UserHandle user = null; 7108 synchronized (this) { 7109 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7110 7111 final long id = mInjector.binderClearCallingIdentity(); 7112 try { 7113 int userInfoFlags = 0; 7114 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7115 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7116 } 7117 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7118 userInfoFlags); 7119 if (userInfo != null) { 7120 user = userInfo.getUserHandle(); 7121 } 7122 } finally { 7123 mInjector.binderRestoreCallingIdentity(id); 7124 } 7125 } 7126 if (user == null) { 7127 return null; 7128 } 7129 // Set admin. 7130 final long id = mInjector.binderClearCallingIdentity(); 7131 try { 7132 final String adminPkg = admin.getPackageName(); 7133 7134 final int userHandle = user.getIdentifier(); 7135 try { 7136 // Install the profile owner if not present. 7137 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7138 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 7139 } 7140 } catch (RemoteException e) { 7141 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7142 + "removing created user", e); 7143 mUserManager.removeUser(user.getIdentifier()); 7144 return null; 7145 } 7146 7147 setActiveAdmin(profileOwner, true, userHandle); 7148 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7149 // So we store adminExtras for broadcasting when the user starts for first time. 7150 synchronized(this) { 7151 DevicePolicyData policyData = getUserData(userHandle); 7152 policyData.mInitBundle = adminExtras; 7153 policyData.mAdminBroadcastPending = true; 7154 saveSettingsLocked(userHandle); 7155 } 7156 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7157 setProfileOwner(profileOwner, ownerName, userHandle); 7158 7159 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7160 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7161 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7162 } 7163 7164 return user; 7165 } finally { 7166 mInjector.binderRestoreCallingIdentity(id); 7167 } 7168 } 7169 7170 @Override 7171 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7172 Preconditions.checkNotNull(who, "ComponentName is null"); 7173 synchronized (this) { 7174 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7175 7176 long id = mInjector.binderClearCallingIdentity(); 7177 try { 7178 return mUserManager.removeUser(userHandle.getIdentifier()); 7179 } finally { 7180 mInjector.binderRestoreCallingIdentity(id); 7181 } 7182 } 7183 } 7184 7185 @Override 7186 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7187 Preconditions.checkNotNull(who, "ComponentName is null"); 7188 synchronized (this) { 7189 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7190 7191 long id = mInjector.binderClearCallingIdentity(); 7192 try { 7193 int userId = UserHandle.USER_SYSTEM; 7194 if (userHandle != null) { 7195 userId = userHandle.getIdentifier(); 7196 } 7197 return mInjector.getIActivityManager().switchUser(userId); 7198 } catch (RemoteException e) { 7199 Log.e(LOG_TAG, "Couldn't switch user", e); 7200 return false; 7201 } finally { 7202 mInjector.binderRestoreCallingIdentity(id); 7203 } 7204 } 7205 } 7206 7207 @Override 7208 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7209 enforceCanManageApplicationRestrictions(who); 7210 7211 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7212 final long id = mInjector.binderClearCallingIdentity(); 7213 try { 7214 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7215 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7216 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7217 return bundle != null ? bundle : Bundle.EMPTY; 7218 } finally { 7219 mInjector.binderRestoreCallingIdentity(id); 7220 } 7221 } 7222 7223 @Override 7224 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7225 boolean suspended) { 7226 Preconditions.checkNotNull(who, "ComponentName is null"); 7227 int callingUserId = UserHandle.getCallingUserId(); 7228 synchronized (this) { 7229 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7230 7231 long id = mInjector.binderClearCallingIdentity(); 7232 try { 7233 return mIPackageManager.setPackagesSuspendedAsUser( 7234 packageNames, suspended, callingUserId); 7235 } catch (RemoteException re) { 7236 // Shouldn't happen. 7237 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7238 } finally { 7239 mInjector.binderRestoreCallingIdentity(id); 7240 } 7241 return packageNames; 7242 } 7243 } 7244 7245 @Override 7246 public boolean isPackageSuspended(ComponentName who, String packageName) { 7247 Preconditions.checkNotNull(who, "ComponentName is null"); 7248 int callingUserId = UserHandle.getCallingUserId(); 7249 synchronized (this) { 7250 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7251 7252 long id = mInjector.binderClearCallingIdentity(); 7253 try { 7254 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7255 } catch (RemoteException re) { 7256 // Shouldn't happen. 7257 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7258 } finally { 7259 mInjector.binderRestoreCallingIdentity(id); 7260 } 7261 return false; 7262 } 7263 } 7264 7265 @Override 7266 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7267 Preconditions.checkNotNull(who, "ComponentName is null"); 7268 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7269 return; 7270 } 7271 7272 final int userHandle = mInjector.userHandleGetCallingUserId(); 7273 synchronized (this) { 7274 ActiveAdmin activeAdmin = 7275 getActiveAdminForCallerLocked(who, 7276 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7277 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7278 if (isDeviceOwner) { 7279 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7280 throw new SecurityException("Device owner cannot set user restriction " + key); 7281 } 7282 } else { // profile owner 7283 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7284 throw new SecurityException("Profile owner cannot set user restriction " + key); 7285 } 7286 } 7287 7288 // Save the restriction to ActiveAdmin. 7289 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 7290 saveSettingsLocked(userHandle); 7291 7292 pushUserRestrictions(userHandle); 7293 7294 sendChangedNotification(userHandle); 7295 } 7296 } 7297 7298 private void pushUserRestrictions(int userId) { 7299 synchronized (this) { 7300 final Bundle global; 7301 final Bundle local = new Bundle(); 7302 if (mOwners.isDeviceOwnerUserId(userId)) { 7303 global = new Bundle(); 7304 7305 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7306 if (deviceOwner == null) { 7307 return; // Shouldn't happen. 7308 } 7309 7310 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 7311 global, local); 7312 // DO can disable camera globally. 7313 if (deviceOwner.disableCamera) { 7314 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 7315 } 7316 } else { 7317 global = null; 7318 7319 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7320 if (profileOwner != null) { 7321 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7322 } 7323 } 7324 // Also merge in *local* camera restriction. 7325 if (getCameraDisabled(/* who= */ null, 7326 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7327 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7328 } 7329 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7330 } 7331 } 7332 7333 @Override 7334 public Bundle getUserRestrictions(ComponentName who) { 7335 if (!mHasFeature) { 7336 return null; 7337 } 7338 Preconditions.checkNotNull(who, "ComponentName is null"); 7339 synchronized (this) { 7340 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7341 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7342 return activeAdmin.userRestrictions; 7343 } 7344 } 7345 7346 @Override 7347 public boolean setApplicationHidden(ComponentName who, String packageName, 7348 boolean hidden) { 7349 Preconditions.checkNotNull(who, "ComponentName is null"); 7350 int callingUserId = UserHandle.getCallingUserId(); 7351 synchronized (this) { 7352 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7353 7354 long id = mInjector.binderClearCallingIdentity(); 7355 try { 7356 return mIPackageManager.setApplicationHiddenSettingAsUser( 7357 packageName, hidden, callingUserId); 7358 } catch (RemoteException re) { 7359 // shouldn't happen 7360 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7361 } finally { 7362 mInjector.binderRestoreCallingIdentity(id); 7363 } 7364 return false; 7365 } 7366 } 7367 7368 @Override 7369 public boolean isApplicationHidden(ComponentName who, String packageName) { 7370 Preconditions.checkNotNull(who, "ComponentName is null"); 7371 int callingUserId = UserHandle.getCallingUserId(); 7372 synchronized (this) { 7373 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7374 7375 long id = mInjector.binderClearCallingIdentity(); 7376 try { 7377 return mIPackageManager.getApplicationHiddenSettingAsUser( 7378 packageName, callingUserId); 7379 } catch (RemoteException re) { 7380 // shouldn't happen 7381 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7382 } finally { 7383 mInjector.binderRestoreCallingIdentity(id); 7384 } 7385 return false; 7386 } 7387 } 7388 7389 @Override 7390 public void enableSystemApp(ComponentName who, String packageName) { 7391 Preconditions.checkNotNull(who, "ComponentName is null"); 7392 synchronized (this) { 7393 // This API can only be called by an active device admin, 7394 // so try to retrieve it to check that the caller is one. 7395 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7396 7397 int userId = UserHandle.getCallingUserId(); 7398 long id = mInjector.binderClearCallingIdentity(); 7399 7400 try { 7401 if (VERBOSE_LOG) { 7402 Slog.v(LOG_TAG, "installing " + packageName + " for " 7403 + userId); 7404 } 7405 7406 int parentUserId = getProfileParentId(userId); 7407 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7408 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7409 } 7410 7411 // Install the app. 7412 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7413 7414 } catch (RemoteException re) { 7415 // shouldn't happen 7416 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7417 } finally { 7418 mInjector.binderRestoreCallingIdentity(id); 7419 } 7420 } 7421 } 7422 7423 @Override 7424 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7425 Preconditions.checkNotNull(who, "ComponentName is null"); 7426 synchronized (this) { 7427 // This API can only be called by an active device admin, 7428 // so try to retrieve it to check that the caller is one. 7429 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7430 7431 int userId = UserHandle.getCallingUserId(); 7432 long id = mInjector.binderClearCallingIdentity(); 7433 7434 try { 7435 int parentUserId = getProfileParentId(userId); 7436 List<ResolveInfo> activitiesToEnable = mIPackageManager 7437 .queryIntentActivities(intent, 7438 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7439 PackageManager.MATCH_DIRECT_BOOT_AWARE 7440 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7441 parentUserId) 7442 .getList(); 7443 7444 if (VERBOSE_LOG) { 7445 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7446 } 7447 int numberOfAppsInstalled = 0; 7448 if (activitiesToEnable != null) { 7449 for (ResolveInfo info : activitiesToEnable) { 7450 if (info.activityInfo != null) { 7451 String packageName = info.activityInfo.packageName; 7452 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7453 numberOfAppsInstalled++; 7454 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7455 } else { 7456 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7457 + " system app"); 7458 } 7459 } 7460 } 7461 } 7462 return numberOfAppsInstalled; 7463 } catch (RemoteException e) { 7464 // shouldn't happen 7465 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7466 return 0; 7467 } finally { 7468 mInjector.binderRestoreCallingIdentity(id); 7469 } 7470 } 7471 } 7472 7473 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7474 throws RemoteException { 7475 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 7476 userId); 7477 if (appInfo == null) { 7478 throw new IllegalArgumentException("The application " + packageName + 7479 " is not present on this device"); 7480 } 7481 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7482 } 7483 7484 @Override 7485 public void setAccountManagementDisabled(ComponentName who, String accountType, 7486 boolean disabled) { 7487 if (!mHasFeature) { 7488 return; 7489 } 7490 Preconditions.checkNotNull(who, "ComponentName is null"); 7491 synchronized (this) { 7492 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7493 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7494 if (disabled) { 7495 ap.accountTypesWithManagementDisabled.add(accountType); 7496 } else { 7497 ap.accountTypesWithManagementDisabled.remove(accountType); 7498 } 7499 saveSettingsLocked(UserHandle.getCallingUserId()); 7500 } 7501 } 7502 7503 @Override 7504 public String[] getAccountTypesWithManagementDisabled() { 7505 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7506 } 7507 7508 @Override 7509 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7510 enforceFullCrossUsersPermission(userId); 7511 if (!mHasFeature) { 7512 return null; 7513 } 7514 synchronized (this) { 7515 DevicePolicyData policy = getUserData(userId); 7516 final int N = policy.mAdminList.size(); 7517 ArraySet<String> resultSet = new ArraySet<>(); 7518 for (int i = 0; i < N; i++) { 7519 ActiveAdmin admin = policy.mAdminList.get(i); 7520 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7521 } 7522 return resultSet.toArray(new String[resultSet.size()]); 7523 } 7524 } 7525 7526 @Override 7527 public void setUninstallBlocked(ComponentName who, String packageName, 7528 boolean uninstallBlocked) { 7529 Preconditions.checkNotNull(who, "ComponentName is null"); 7530 final int userId = UserHandle.getCallingUserId(); 7531 synchronized (this) { 7532 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7533 7534 long id = mInjector.binderClearCallingIdentity(); 7535 try { 7536 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7537 } catch (RemoteException re) { 7538 // Shouldn't happen. 7539 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7540 } finally { 7541 mInjector.binderRestoreCallingIdentity(id); 7542 } 7543 } 7544 } 7545 7546 @Override 7547 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7548 // This function should return true if and only if the package is blocked by 7549 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7550 // when the package is a system app, or when it is an active device admin. 7551 final int userId = UserHandle.getCallingUserId(); 7552 7553 synchronized (this) { 7554 if (who != null) { 7555 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7556 } 7557 7558 long id = mInjector.binderClearCallingIdentity(); 7559 try { 7560 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7561 } catch (RemoteException re) { 7562 // Shouldn't happen. 7563 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7564 } finally { 7565 mInjector.binderRestoreCallingIdentity(id); 7566 } 7567 } 7568 return false; 7569 } 7570 7571 @Override 7572 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7573 if (!mHasFeature) { 7574 return; 7575 } 7576 Preconditions.checkNotNull(who, "ComponentName is null"); 7577 synchronized (this) { 7578 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7579 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7580 if (admin.disableCallerId != disabled) { 7581 admin.disableCallerId = disabled; 7582 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7583 } 7584 } 7585 } 7586 7587 @Override 7588 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7589 if (!mHasFeature) { 7590 return false; 7591 } 7592 Preconditions.checkNotNull(who, "ComponentName is null"); 7593 synchronized (this) { 7594 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7595 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7596 return admin.disableCallerId; 7597 } 7598 } 7599 7600 @Override 7601 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 7602 enforceCrossUsersPermission(userId); 7603 synchronized (this) { 7604 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7605 return (admin != null) ? admin.disableCallerId : false; 7606 } 7607 } 7608 7609 @Override 7610 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 7611 if (!mHasFeature) { 7612 return; 7613 } 7614 Preconditions.checkNotNull(who, "ComponentName is null"); 7615 synchronized (this) { 7616 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7617 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7618 if (admin.disableContactsSearch != disabled) { 7619 admin.disableContactsSearch = disabled; 7620 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7621 } 7622 } 7623 } 7624 7625 @Override 7626 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 7627 if (!mHasFeature) { 7628 return false; 7629 } 7630 Preconditions.checkNotNull(who, "ComponentName is null"); 7631 synchronized (this) { 7632 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7633 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7634 return admin.disableContactsSearch; 7635 } 7636 } 7637 7638 @Override 7639 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 7640 enforceCrossUsersPermission(userId); 7641 synchronized (this) { 7642 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7643 return (admin != null) ? admin.disableContactsSearch : false; 7644 } 7645 } 7646 7647 @Override 7648 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 7649 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 7650 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 7651 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 7652 final int callingUserId = UserHandle.getCallingUserId(); 7653 7654 final long ident = mInjector.binderClearCallingIdentity(); 7655 try { 7656 synchronized (this) { 7657 final int managedUserId = getManagedUserId(callingUserId); 7658 if (managedUserId < 0) { 7659 return; 7660 } 7661 if (isCrossProfileQuickContactDisabled(managedUserId)) { 7662 if (VERBOSE_LOG) { 7663 Log.v(LOG_TAG, 7664 "Cross-profile contacts access disabled for user " + managedUserId); 7665 } 7666 return; 7667 } 7668 ContactsInternal.startQuickContactWithErrorToastForUser( 7669 mContext, intent, new UserHandle(managedUserId)); 7670 } 7671 } finally { 7672 mInjector.binderRestoreCallingIdentity(ident); 7673 } 7674 } 7675 7676 /** 7677 * @return true if cross-profile QuickContact is disabled 7678 */ 7679 private boolean isCrossProfileQuickContactDisabled(int userId) { 7680 return getCrossProfileCallerIdDisabledForUser(userId) 7681 && getCrossProfileContactsSearchDisabledForUser(userId); 7682 } 7683 7684 /** 7685 * @return the user ID of the managed user that is linked to the current user, if any. 7686 * Otherwise -1. 7687 */ 7688 public int getManagedUserId(int callingUserId) { 7689 if (VERBOSE_LOG) { 7690 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 7691 } 7692 7693 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 7694 if (ui.id == callingUserId || !ui.isManagedProfile()) { 7695 continue; // Caller user self, or not a managed profile. Skip. 7696 } 7697 if (VERBOSE_LOG) { 7698 Log.v(LOG_TAG, "Managed user=" + ui.id); 7699 } 7700 return ui.id; 7701 } 7702 if (VERBOSE_LOG) { 7703 Log.v(LOG_TAG, "Managed user not found."); 7704 } 7705 return -1; 7706 } 7707 7708 @Override 7709 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 7710 if (!mHasFeature) { 7711 return; 7712 } 7713 Preconditions.checkNotNull(who, "ComponentName is null"); 7714 synchronized (this) { 7715 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7716 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7717 if (admin.disableBluetoothContactSharing != disabled) { 7718 admin.disableBluetoothContactSharing = disabled; 7719 saveSettingsLocked(UserHandle.getCallingUserId()); 7720 } 7721 } 7722 } 7723 7724 @Override 7725 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 7726 if (!mHasFeature) { 7727 return false; 7728 } 7729 Preconditions.checkNotNull(who, "ComponentName is null"); 7730 synchronized (this) { 7731 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7732 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7733 return admin.disableBluetoothContactSharing; 7734 } 7735 } 7736 7737 @Override 7738 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 7739 // TODO: Should there be a check to make sure this relationship is 7740 // within a profile group? 7741 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 7742 synchronized (this) { 7743 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7744 return (admin != null) ? admin.disableBluetoothContactSharing : false; 7745 } 7746 } 7747 7748 /** 7749 * Sets which packages may enter lock task mode. 7750 * 7751 * <p>This function can only be called by the device owner or alternatively by the profile owner 7752 * in case the user is affiliated. 7753 * 7754 * @param packages The list of packages allowed to enter lock task mode. 7755 */ 7756 @Override 7757 public void setLockTaskPackages(ComponentName who, String[] packages) 7758 throws SecurityException { 7759 Preconditions.checkNotNull(who, "ComponentName is null"); 7760 synchronized (this) { 7761 ActiveAdmin deviceOwner = getActiveAdminWithPolicyForUidLocked( 7762 who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, mInjector.binderGetCallingUid()); 7763 ActiveAdmin profileOwner = getActiveAdminWithPolicyForUidLocked( 7764 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()); 7765 if (deviceOwner != null || (profileOwner != null && isAffiliatedUser())) { 7766 int userHandle = mInjector.userHandleGetCallingUserId(); 7767 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 7768 } else { 7769 throw new SecurityException("Admin " + who + 7770 " is neither the device owner or affiliated user's profile owner."); 7771 } 7772 } 7773 } 7774 7775 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 7776 DevicePolicyData policy = getUserData(userHandle); 7777 policy.mLockTaskPackages = packages; 7778 7779 // Store the settings persistently. 7780 saveSettingsLocked(userHandle); 7781 updateLockTaskPackagesLocked(packages, userHandle); 7782 } 7783 7784 /** 7785 * This function returns the list of components allowed to start the task lock mode. 7786 */ 7787 @Override 7788 public String[] getLockTaskPackages(ComponentName who) { 7789 Preconditions.checkNotNull(who, "ComponentName is null"); 7790 synchronized (this) { 7791 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7792 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7793 final List<String> packages = getLockTaskPackagesLocked(userHandle); 7794 return packages.toArray(new String[packages.size()]); 7795 } 7796 } 7797 7798 private List<String> getLockTaskPackagesLocked(int userHandle) { 7799 final DevicePolicyData policy = getUserData(userHandle); 7800 return policy.mLockTaskPackages; 7801 } 7802 7803 /** 7804 * This function lets the caller know whether the given package is allowed to start the 7805 * lock task mode. 7806 * @param pkg The package to check 7807 */ 7808 @Override 7809 public boolean isLockTaskPermitted(String pkg) { 7810 // Get current user's devicepolicy 7811 int uid = mInjector.binderGetCallingUid(); 7812 int userHandle = UserHandle.getUserId(uid); 7813 DevicePolicyData policy = getUserData(userHandle); 7814 synchronized (this) { 7815 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 7816 String lockTaskPackage = policy.mLockTaskPackages.get(i); 7817 7818 // If the given package equals one of the packages stored our list, 7819 // we allow this package to start lock task mode. 7820 if (lockTaskPackage.equals(pkg)) { 7821 return true; 7822 } 7823 } 7824 } 7825 return false; 7826 } 7827 7828 @Override 7829 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 7830 if (!isCallerWithSystemUid()) { 7831 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 7832 } 7833 synchronized (this) { 7834 final DevicePolicyData policy = getUserData(userHandle); 7835 Bundle adminExtras = new Bundle(); 7836 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 7837 for (ActiveAdmin admin : policy.mAdminList) { 7838 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 7839 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 7840 if (ownsDevice || ownsProfile) { 7841 if (isEnabled) { 7842 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 7843 adminExtras, null); 7844 } else { 7845 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 7846 } 7847 } 7848 } 7849 } 7850 } 7851 7852 @Override 7853 public void setGlobalSetting(ComponentName who, String setting, String value) { 7854 Preconditions.checkNotNull(who, "ComponentName is null"); 7855 7856 synchronized (this) { 7857 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7858 7859 // Some settings are no supported any more. However we do not want to throw a 7860 // SecurityException to avoid breaking apps. 7861 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 7862 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 7863 return; 7864 } 7865 7866 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 7867 throw new SecurityException(String.format( 7868 "Permission denial: device owners cannot update %1$s", setting)); 7869 } 7870 7871 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 7872 // ignore if it contradicts an existing policy 7873 long timeMs = getMaximumTimeToLock( 7874 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 7875 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 7876 return; 7877 } 7878 } 7879 7880 long id = mInjector.binderClearCallingIdentity(); 7881 try { 7882 mInjector.settingsGlobalPutString(setting, value); 7883 } finally { 7884 mInjector.binderRestoreCallingIdentity(id); 7885 } 7886 } 7887 } 7888 7889 @Override 7890 public void setSecureSetting(ComponentName who, String setting, String value) { 7891 Preconditions.checkNotNull(who, "ComponentName is null"); 7892 int callingUserId = mInjector.userHandleGetCallingUserId(); 7893 7894 synchronized (this) { 7895 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7896 7897 if (isDeviceOwner(who, callingUserId)) { 7898 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 7899 throw new SecurityException(String.format( 7900 "Permission denial: Device owners cannot update %1$s", setting)); 7901 } 7902 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 7903 throw new SecurityException(String.format( 7904 "Permission denial: Profile owners cannot update %1$s", setting)); 7905 } 7906 7907 long id = mInjector.binderClearCallingIdentity(); 7908 try { 7909 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 7910 } finally { 7911 mInjector.binderRestoreCallingIdentity(id); 7912 } 7913 } 7914 } 7915 7916 @Override 7917 public void setMasterVolumeMuted(ComponentName who, boolean on) { 7918 Preconditions.checkNotNull(who, "ComponentName is null"); 7919 synchronized (this) { 7920 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7921 int userId = UserHandle.getCallingUserId(); 7922 long identity = mInjector.binderClearCallingIdentity(); 7923 try { 7924 IAudioService iAudioService = IAudioService.Stub.asInterface( 7925 ServiceManager.getService(Context.AUDIO_SERVICE)); 7926 iAudioService.setMasterMute(on, 0, mContext.getPackageName(), userId); 7927 } catch (RemoteException re) { 7928 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 7929 } finally { 7930 mInjector.binderRestoreCallingIdentity(identity); 7931 } 7932 } 7933 } 7934 7935 @Override 7936 public boolean isMasterVolumeMuted(ComponentName who) { 7937 Preconditions.checkNotNull(who, "ComponentName is null"); 7938 synchronized (this) { 7939 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7940 7941 AudioManager audioManager = 7942 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 7943 return audioManager.isMasterMute(); 7944 } 7945 } 7946 7947 @Override 7948 public void setUserIcon(ComponentName who, Bitmap icon) { 7949 synchronized (this) { 7950 Preconditions.checkNotNull(who, "ComponentName is null"); 7951 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7952 7953 int userId = UserHandle.getCallingUserId(); 7954 long id = mInjector.binderClearCallingIdentity(); 7955 try { 7956 mUserManagerInternal.setUserIcon(userId, icon); 7957 } finally { 7958 mInjector.binderRestoreCallingIdentity(id); 7959 } 7960 } 7961 } 7962 7963 @Override 7964 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 7965 Preconditions.checkNotNull(who, "ComponentName is null"); 7966 synchronized (this) { 7967 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7968 } 7969 final int userId = UserHandle.getCallingUserId(); 7970 7971 long ident = mInjector.binderClearCallingIdentity(); 7972 try { 7973 // disallow disabling the keyguard if a password is currently set 7974 if (disabled && mLockPatternUtils.isSecure(userId)) { 7975 return false; 7976 } 7977 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 7978 } finally { 7979 mInjector.binderRestoreCallingIdentity(ident); 7980 } 7981 return true; 7982 } 7983 7984 @Override 7985 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 7986 int userId = UserHandle.getCallingUserId(); 7987 synchronized (this) { 7988 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7989 DevicePolicyData policy = getUserData(userId); 7990 if (policy.mStatusBarDisabled != disabled) { 7991 if (!setStatusBarDisabledInternal(disabled, userId)) { 7992 return false; 7993 } 7994 policy.mStatusBarDisabled = disabled; 7995 saveSettingsLocked(userId); 7996 } 7997 } 7998 return true; 7999 } 8000 8001 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8002 long ident = mInjector.binderClearCallingIdentity(); 8003 try { 8004 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8005 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8006 if (statusBarService != null) { 8007 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8008 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8009 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8010 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8011 return true; 8012 } 8013 } catch (RemoteException e) { 8014 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8015 } finally { 8016 mInjector.binderRestoreCallingIdentity(ident); 8017 } 8018 return false; 8019 } 8020 8021 /** 8022 * We need to update the internal state of whether a user has completed setup once. After 8023 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 8024 * as we don't trust any apps that might try to reset it. 8025 * <p> 8026 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8027 * them. 8028 */ 8029 void updateUserSetupComplete() { 8030 List<UserInfo> users = mUserManager.getUsers(true); 8031 final int N = users.size(); 8032 for (int i = 0; i < N; i++) { 8033 int userHandle = users.get(i).id; 8034 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8035 userHandle) != 0) { 8036 DevicePolicyData policy = getUserData(userHandle); 8037 if (!policy.mUserSetupComplete) { 8038 policy.mUserSetupComplete = true; 8039 synchronized (this) { 8040 saveSettingsLocked(userHandle); 8041 } 8042 } 8043 } 8044 } 8045 } 8046 8047 private class SetupContentObserver extends ContentObserver { 8048 8049 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8050 Settings.Secure.USER_SETUP_COMPLETE); 8051 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8052 Settings.Global.DEVICE_PROVISIONED); 8053 8054 public SetupContentObserver(Handler handler) { 8055 super(handler); 8056 } 8057 8058 void register() { 8059 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8060 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8061 } 8062 8063 @Override 8064 public void onChange(boolean selfChange, Uri uri) { 8065 if (mUserSetupComplete.equals(uri)) { 8066 updateUserSetupComplete(); 8067 } else if (mDeviceProvisioned.equals(uri)) { 8068 synchronized (DevicePolicyManagerService.this) { 8069 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8070 // is delayed until device is marked as provisioned. 8071 setDeviceOwnerSystemPropertyLocked(); 8072 } 8073 } 8074 } 8075 } 8076 8077 @VisibleForTesting 8078 final class LocalService extends DevicePolicyManagerInternal { 8079 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8080 8081 @Override 8082 public List<String> getCrossProfileWidgetProviders(int profileId) { 8083 synchronized (DevicePolicyManagerService.this) { 8084 if (mOwners == null) { 8085 return Collections.emptyList(); 8086 } 8087 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8088 if (ownerComponent == null) { 8089 return Collections.emptyList(); 8090 } 8091 8092 DevicePolicyData policy = getUserDataUnchecked(profileId); 8093 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8094 8095 if (admin == null || admin.crossProfileWidgetProviders == null 8096 || admin.crossProfileWidgetProviders.isEmpty()) { 8097 return Collections.emptyList(); 8098 } 8099 8100 return admin.crossProfileWidgetProviders; 8101 } 8102 } 8103 8104 @Override 8105 public void addOnCrossProfileWidgetProvidersChangeListener( 8106 OnCrossProfileWidgetProvidersChangeListener listener) { 8107 synchronized (DevicePolicyManagerService.this) { 8108 if (mWidgetProviderListeners == null) { 8109 mWidgetProviderListeners = new ArrayList<>(); 8110 } 8111 if (!mWidgetProviderListeners.contains(listener)) { 8112 mWidgetProviderListeners.add(listener); 8113 } 8114 } 8115 } 8116 8117 @Override 8118 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8119 synchronized(DevicePolicyManagerService.this) { 8120 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8121 } 8122 } 8123 8124 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8125 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8126 synchronized (DevicePolicyManagerService.this) { 8127 listeners = new ArrayList<>(mWidgetProviderListeners); 8128 } 8129 final int listenerCount = listeners.size(); 8130 for (int i = 0; i < listenerCount; i++) { 8131 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8132 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8133 } 8134 } 8135 8136 @Override 8137 public boolean hasDeviceOwnerOrProfileOwner(String packageName, int userId) { 8138 if (!mHasFeature || packageName == null) { 8139 return false; 8140 } 8141 if (userId < 0) { 8142 throw new UnsupportedOperationException("userId should be >= 0"); 8143 } 8144 synchronized (DevicePolicyManagerService.this) { 8145 if (packageName.equals(mOwners.getProfileOwnerPackage(userId))) { 8146 return true; 8147 } 8148 if (userId == mOwners.getDeviceOwnerUserId() 8149 && packageName.equals(mOwners.getDeviceOwnerPackageName())) { 8150 return true; 8151 } 8152 } 8153 return false; 8154 } 8155 8156 @Override 8157 public Intent createPackageSuspendedDialogIntent(String packageName, int userId) { 8158 Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8159 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8160 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8161 synchronized (DevicePolicyManagerService.this) { 8162 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8163 if (profileOwner != null) { 8164 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, profileOwner); 8165 return intent; 8166 } 8167 8168 if (mOwners.getDeviceOwnerUserId() == userId) { 8169 ComponentName deviceOwner = mOwners.getDeviceOwnerComponent(); 8170 if (deviceOwner != null) { 8171 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, deviceOwner); 8172 return intent; 8173 } 8174 } 8175 } 8176 // We're not specifying the device admin because there isn't one. 8177 return intent; 8178 } 8179 } 8180 8181 /** 8182 * Returns true if specified admin is allowed to limit passwords and has a 8183 * {@code passwordQuality} of at least {@code minPasswordQuality} 8184 */ 8185 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8186 if (admin.passwordQuality < minPasswordQuality) { 8187 return false; 8188 } 8189 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8190 } 8191 8192 @Override 8193 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8194 if (policy != null && !policy.isValid()) { 8195 throw new IllegalArgumentException("Invalid system update policy."); 8196 } 8197 synchronized (this) { 8198 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8199 if (policy == null) { 8200 mOwners.clearSystemUpdatePolicy(); 8201 } else { 8202 mOwners.setSystemUpdatePolicy(policy); 8203 } 8204 mOwners.writeDeviceOwner(); 8205 } 8206 mContext.sendBroadcastAsUser( 8207 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8208 UserHandle.SYSTEM); 8209 } 8210 8211 @Override 8212 public SystemUpdatePolicy getSystemUpdatePolicy() { 8213 synchronized (this) { 8214 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8215 if (policy != null && !policy.isValid()) { 8216 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8217 return null; 8218 } 8219 return policy; 8220 } 8221 } 8222 8223 /** 8224 * Checks if the caller of the method is the device owner app. 8225 * 8226 * @param callerUid UID of the caller. 8227 * @return true if the caller is the device owner app 8228 */ 8229 @VisibleForTesting 8230 boolean isCallerDeviceOwner(int callerUid) { 8231 synchronized (this) { 8232 if (!mOwners.hasDeviceOwner()) { 8233 return false; 8234 } 8235 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8236 return false; 8237 } 8238 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8239 .getPackageName(); 8240 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 8241 8242 for (String pkg : pkgs) { 8243 if (deviceOwnerPackageName.equals(pkg)) { 8244 return true; 8245 } 8246 } 8247 } 8248 8249 return false; 8250 } 8251 8252 @Override 8253 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8254 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8255 "Only the system update service can broadcast update information"); 8256 8257 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8258 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8259 "can broadcast update information."); 8260 return; 8261 } 8262 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8263 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8264 updateReceivedTime); 8265 8266 synchronized (this) { 8267 final String deviceOwnerPackage = 8268 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 8269 : null; 8270 if (deviceOwnerPackage == null) { 8271 return; 8272 } 8273 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 8274 8275 ActivityInfo[] receivers = null; 8276 try { 8277 receivers = mContext.getPackageManager().getPackageInfo( 8278 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 8279 } catch (NameNotFoundException e) { 8280 Log.e(LOG_TAG, "Cannot find device owner package", e); 8281 } 8282 if (receivers != null) { 8283 long ident = mInjector.binderClearCallingIdentity(); 8284 try { 8285 for (int i = 0; i < receivers.length; i++) { 8286 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 8287 intent.setComponent(new ComponentName(deviceOwnerPackage, 8288 receivers[i].name)); 8289 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8290 } 8291 } 8292 } finally { 8293 mInjector.binderRestoreCallingIdentity(ident); 8294 } 8295 } 8296 } 8297 } 8298 8299 @Override 8300 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8301 int userId = UserHandle.getCallingUserId(); 8302 synchronized (this) { 8303 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8304 DevicePolicyData userPolicy = getUserData(userId); 8305 if (userPolicy.mPermissionPolicy != policy) { 8306 userPolicy.mPermissionPolicy = policy; 8307 saveSettingsLocked(userId); 8308 } 8309 } 8310 } 8311 8312 @Override 8313 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8314 int userId = UserHandle.getCallingUserId(); 8315 synchronized (this) { 8316 DevicePolicyData userPolicy = getUserData(userId); 8317 return userPolicy.mPermissionPolicy; 8318 } 8319 } 8320 8321 @Override 8322 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8323 String permission, int grantState) throws RemoteException { 8324 UserHandle user = mInjector.binderGetCallingUserHandle(); 8325 synchronized (this) { 8326 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8327 long ident = mInjector.binderClearCallingIdentity(); 8328 try { 8329 if (getTargetSdk(packageName, user.getIdentifier()) 8330 < android.os.Build.VERSION_CODES.M) { 8331 return false; 8332 } 8333 final PackageManager packageManager = mContext.getPackageManager(); 8334 switch (grantState) { 8335 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8336 packageManager.grantRuntimePermission(packageName, permission, user); 8337 packageManager.updatePermissionFlags(permission, packageName, 8338 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8339 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8340 } break; 8341 8342 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8343 packageManager.revokeRuntimePermission(packageName, 8344 permission, user); 8345 packageManager.updatePermissionFlags(permission, packageName, 8346 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8347 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8348 } break; 8349 8350 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8351 packageManager.updatePermissionFlags(permission, packageName, 8352 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8353 } break; 8354 } 8355 return true; 8356 } catch (SecurityException se) { 8357 return false; 8358 } finally { 8359 mInjector.binderRestoreCallingIdentity(ident); 8360 } 8361 } 8362 } 8363 8364 @Override 8365 public int getPermissionGrantState(ComponentName admin, String packageName, 8366 String permission) throws RemoteException { 8367 PackageManager packageManager = mContext.getPackageManager(); 8368 8369 UserHandle user = mInjector.binderGetCallingUserHandle(); 8370 synchronized (this) { 8371 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8372 long ident = mInjector.binderClearCallingIdentity(); 8373 try { 8374 int granted = mIPackageManager.checkPermission(permission, 8375 packageName, user.getIdentifier()); 8376 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8377 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8378 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8379 // Not controlled by policy 8380 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8381 } else { 8382 // Policy controlled so return result based on permission grant state 8383 return granted == PackageManager.PERMISSION_GRANTED 8384 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8385 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8386 } 8387 } finally { 8388 mInjector.binderRestoreCallingIdentity(ident); 8389 } 8390 } 8391 } 8392 8393 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8394 try { 8395 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8396 userHandle); 8397 return (pi != null) && (pi.applicationInfo.flags != 0); 8398 } catch (RemoteException re) { 8399 throw new RuntimeException("Package manager has died", re); 8400 } 8401 } 8402 8403 @Override 8404 public boolean isProvisioningAllowed(String action) { 8405 if (!mHasFeature) { 8406 return false; 8407 } 8408 8409 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8410 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 8411 if (!hasFeatureManagedUsers()) { 8412 return false; 8413 } 8414 synchronized (this) { 8415 if (mOwners.hasDeviceOwner()) { 8416 if (!mInjector.userManagerIsSplitSystemUser()) { 8417 // Only split-system-user systems support managed-profiles in combination with 8418 // device-owner. 8419 return false; 8420 } 8421 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 8422 // Only system device-owner supports managed-profiles. Non-system device-owner 8423 // doesn't. 8424 return false; 8425 } 8426 if (callingUserId == UserHandle.USER_SYSTEM) { 8427 // Managed-profiles cannot be setup on the system user, only regular users. 8428 return false; 8429 } 8430 } 8431 } 8432 if (getProfileOwner(callingUserId) != null) { 8433 // Managed user cannot have a managed profile. 8434 return false; 8435 } 8436 final long ident = mInjector.binderClearCallingIdentity(); 8437 try { 8438 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 8439 return false; 8440 } 8441 } finally { 8442 mInjector.binderRestoreCallingIdentity(ident); 8443 } 8444 return true; 8445 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 8446 return isDeviceOwnerProvisioningAllowed(callingUserId); 8447 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 8448 if (!hasFeatureManagedUsers()) { 8449 return false; 8450 } 8451 if (!mInjector.userManagerIsSplitSystemUser()) { 8452 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 8453 return false; 8454 } 8455 if (callingUserId == UserHandle.USER_SYSTEM) { 8456 // System user cannot be a managed user. 8457 return false; 8458 } 8459 if (hasUserSetupCompleted(callingUserId)) { 8460 return false; 8461 } 8462 return true; 8463 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 8464 if (!mInjector.userManagerIsSplitSystemUser()) { 8465 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 8466 return false; 8467 } 8468 return isDeviceOwnerProvisioningAllowed(callingUserId); 8469 } 8470 throw new IllegalArgumentException("Unknown provisioning action " + action); 8471 } 8472 8473 /* 8474 * The device owner can only be set before the setup phase of the primary user has completed, 8475 * except for adb command if no accounts or additional users are present on the device. 8476 */ 8477 private synchronized @DeviceOwnerPreConditionCode int checkSetDeviceOwnerPreCondition( 8478 int deviceOwnerUserId, boolean isAdb) { 8479 if (mOwners.hasDeviceOwner()) { 8480 return CODE_HAS_DEVICE_OWNER; 8481 } 8482 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8483 return CODE_USER_HAS_PROFILE_OWNER; 8484 } 8485 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8486 return CODE_USER_NOT_RUNNING; 8487 } 8488 if (isAdb) { 8489 // if shell command runs after user setup completed check device status. Otherwise, OK. 8490 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8491 if (!mInjector.userManagerIsSplitSystemUser()) { 8492 if (mUserManager.getUserCount() > 1) { 8493 return CODE_NONSYSTEM_USER_EXISTS; 8494 } 8495 if (AccountManager.get(mContext).getAccounts().length > 0) { 8496 return CODE_ACCOUNTS_NOT_EMPTY; 8497 } 8498 } else { 8499 // STOPSHIP Do proper check in split user mode 8500 } 8501 } 8502 return CODE_OK; 8503 } else { 8504 if (!mInjector.userManagerIsSplitSystemUser()) { 8505 // In non-split user mode, DO has to be user 0 8506 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8507 return CODE_NOT_SYSTEM_USER; 8508 } 8509 // In non-split user mode, only provision DO before setup wizard completes 8510 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8511 return CODE_USER_SETUP_COMPLETED; 8512 } 8513 } else { 8514 // STOPSHIP Do proper check in split user mode 8515 } 8516 return CODE_OK; 8517 } 8518 } 8519 8520 private boolean isDeviceOwnerProvisioningAllowed(int deviceOwnerUserId) { 8521 return CODE_OK == checkSetDeviceOwnerPreCondition(deviceOwnerUserId, /* isAdb */ false); 8522 } 8523 8524 private boolean hasFeatureManagedUsers() { 8525 try { 8526 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 8527 } catch (RemoteException e) { 8528 return false; 8529 } 8530 } 8531 8532 @Override 8533 public String getWifiMacAddress(ComponentName admin) { 8534 // Make sure caller has DO. 8535 synchronized (this) { 8536 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8537 } 8538 8539 final long ident = mInjector.binderClearCallingIdentity(); 8540 try { 8541 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 8542 if (wifiInfo == null) { 8543 return null; 8544 } 8545 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 8546 } finally { 8547 mInjector.binderRestoreCallingIdentity(ident); 8548 } 8549 } 8550 8551 /** 8552 * Returns the target sdk version number that the given packageName was built for 8553 * in the given user. 8554 */ 8555 private int getTargetSdk(String packageName, int userId) { 8556 final ApplicationInfo ai; 8557 try { 8558 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 8559 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 8560 return targetSdkVersion; 8561 } catch (RemoteException e) { 8562 // Shouldn't happen 8563 return 0; 8564 } 8565 } 8566 8567 @Override 8568 public boolean isManagedProfile(ComponentName admin) { 8569 synchronized (this) { 8570 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8571 } 8572 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8573 final UserInfo user = getUserInfo(callingUserId); 8574 return user != null && user.isManagedProfile(); 8575 } 8576 8577 @Override 8578 public boolean isSystemOnlyUser(ComponentName admin) { 8579 synchronized (this) { 8580 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8581 } 8582 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8583 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 8584 } 8585 8586 @Override 8587 public void reboot(ComponentName admin) { 8588 Preconditions.checkNotNull(admin); 8589 // Make sure caller has DO. 8590 synchronized (this) { 8591 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8592 } 8593 long ident = mInjector.binderClearCallingIdentity(); 8594 try { 8595 // Make sure there are no ongoing calls on the device. 8596 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 8597 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 8598 } 8599 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 8600 } finally { 8601 mInjector.binderRestoreCallingIdentity(ident); 8602 } 8603 } 8604 8605 @Override 8606 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 8607 if (!mHasFeature) { 8608 return; 8609 } 8610 Preconditions.checkNotNull(who, "ComponentName is null"); 8611 final int userHandle = mInjector.userHandleGetCallingUserId(); 8612 synchronized (this) { 8613 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8614 mInjector.binderGetCallingUid()); 8615 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 8616 admin.shortSupportMessage = message; 8617 saveSettingsLocked(userHandle); 8618 } 8619 } 8620 } 8621 8622 @Override 8623 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 8624 if (!mHasFeature) { 8625 return null; 8626 } 8627 Preconditions.checkNotNull(who, "ComponentName is null"); 8628 synchronized (this) { 8629 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8630 mInjector.binderGetCallingUid()); 8631 return admin.shortSupportMessage; 8632 } 8633 } 8634 8635 @Override 8636 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 8637 if (!mHasFeature) { 8638 return; 8639 } 8640 Preconditions.checkNotNull(who, "ComponentName is null"); 8641 final int userHandle = mInjector.userHandleGetCallingUserId(); 8642 synchronized (this) { 8643 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8644 mInjector.binderGetCallingUid()); 8645 if (!TextUtils.equals(admin.longSupportMessage, message)) { 8646 admin.longSupportMessage = message; 8647 saveSettingsLocked(userHandle); 8648 } 8649 } 8650 } 8651 8652 @Override 8653 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 8654 if (!mHasFeature) { 8655 return null; 8656 } 8657 Preconditions.checkNotNull(who, "ComponentName is null"); 8658 synchronized (this) { 8659 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8660 mInjector.binderGetCallingUid()); 8661 return admin.longSupportMessage; 8662 } 8663 } 8664 8665 @Override 8666 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8667 if (!mHasFeature) { 8668 return null; 8669 } 8670 Preconditions.checkNotNull(who, "ComponentName is null"); 8671 if (!isCallerWithSystemUid()) { 8672 throw new SecurityException("Only the system can query support message for user"); 8673 } 8674 synchronized (this) { 8675 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8676 if (admin != null) { 8677 return admin.shortSupportMessage; 8678 } 8679 } 8680 return null; 8681 } 8682 8683 @Override 8684 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8685 if (!mHasFeature) { 8686 return null; 8687 } 8688 Preconditions.checkNotNull(who, "ComponentName is null"); 8689 if (!isCallerWithSystemUid()) { 8690 throw new SecurityException("Only the system can query support message for user"); 8691 } 8692 synchronized (this) { 8693 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8694 if (admin != null) { 8695 return admin.longSupportMessage; 8696 } 8697 } 8698 return null; 8699 } 8700 8701 @Override 8702 public void setOrganizationColor(@NonNull ComponentName who, int color) { 8703 if (!mHasFeature) { 8704 return; 8705 } 8706 Preconditions.checkNotNull(who, "ComponentName is null"); 8707 final int userHandle = mInjector.userHandleGetCallingUserId(); 8708 enforceManagedProfile(userHandle, "set organization color"); 8709 synchronized (this) { 8710 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8711 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8712 admin.organizationColor = color; 8713 saveSettingsLocked(userHandle); 8714 } 8715 } 8716 8717 @Override 8718 public void setOrganizationColorForUser(int color, int userId) { 8719 if (!mHasFeature) { 8720 return; 8721 } 8722 enforceFullCrossUsersPermission(userId); 8723 enforceManageUsers(); 8724 enforceManagedProfile(userId, "set organization color"); 8725 synchronized (this) { 8726 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8727 admin.organizationColor = color; 8728 saveSettingsLocked(userId); 8729 } 8730 } 8731 8732 @Override 8733 public int getOrganizationColor(@NonNull ComponentName who) { 8734 if (!mHasFeature) { 8735 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8736 } 8737 Preconditions.checkNotNull(who, "ComponentName is null"); 8738 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 8739 synchronized (this) { 8740 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8741 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8742 return admin.organizationColor; 8743 } 8744 } 8745 8746 @Override 8747 public int getOrganizationColorForUser(int userHandle) { 8748 if (!mHasFeature) { 8749 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8750 } 8751 enforceFullCrossUsersPermission(userHandle); 8752 enforceManagedProfile(userHandle, "get organization color"); 8753 synchronized (this) { 8754 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8755 return (profileOwner != null) 8756 ? profileOwner.organizationColor 8757 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 8758 } 8759 } 8760 8761 @Override 8762 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 8763 if (!mHasFeature) { 8764 return; 8765 } 8766 Preconditions.checkNotNull(who, "ComponentName is null"); 8767 final int userHandle = mInjector.userHandleGetCallingUserId(); 8768 enforceManagedProfile(userHandle, "set organization name"); 8769 synchronized (this) { 8770 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8771 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8772 if (!TextUtils.equals(admin.organizationName, text)) { 8773 admin.organizationName = (text == null || text.length() == 0) 8774 ? null : text.toString(); 8775 saveSettingsLocked(userHandle); 8776 } 8777 } 8778 } 8779 8780 @Override 8781 public CharSequence getOrganizationName(@NonNull ComponentName who) { 8782 if (!mHasFeature) { 8783 return null; 8784 } 8785 Preconditions.checkNotNull(who, "ComponentName is null"); 8786 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 8787 synchronized(this) { 8788 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8789 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8790 return admin.organizationName; 8791 } 8792 } 8793 8794 @Override 8795 public CharSequence getOrganizationNameForUser(int userHandle) { 8796 if (!mHasFeature) { 8797 return null; 8798 } 8799 enforceFullCrossUsersPermission(userHandle); 8800 enforceManagedProfile(userHandle, "get organization name"); 8801 synchronized (this) { 8802 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8803 return (profileOwner != null) 8804 ? profileOwner.organizationName 8805 : null; 8806 } 8807 } 8808 8809 @Override 8810 public void setAffiliationIds(ComponentName admin, List<String> ids) { 8811 final Set<String> affiliationIds = new ArraySet<String>(ids); 8812 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8813 8814 synchronized (this) { 8815 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8816 getUserData(callingUserId).mAffiliationIds = affiliationIds; 8817 saveSettingsLocked(callingUserId); 8818 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 8819 // Affiliation ids specified by the device owner are additionally stored in 8820 // UserHandle.USER_SYSTEM's DevicePolicyData. 8821 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 8822 saveSettingsLocked(UserHandle.USER_SYSTEM); 8823 } 8824 } 8825 } 8826 8827 @Override 8828 public boolean isAffiliatedUser() { 8829 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8830 8831 synchronized (this) { 8832 if (mOwners.getDeviceOwnerUserId() == callingUserId) { 8833 // The user that the DO is installed on is always affiliated. 8834 return true; 8835 } 8836 final ComponentName profileOwner = getProfileOwner(callingUserId); 8837 if (profileOwner == null 8838 || !profileOwner.getPackageName().equals(mOwners.getDeviceOwnerPackageName())) { 8839 return false; 8840 } 8841 final Set<String> userAffiliationIds = getUserData(callingUserId).mAffiliationIds; 8842 final Set<String> deviceAffiliationIds = 8843 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 8844 for (String id : userAffiliationIds) { 8845 if (deviceAffiliationIds.contains(id)) { 8846 return true; 8847 } 8848 } 8849 } 8850 return false; 8851 } 8852 8853 private synchronized void disableSecurityLoggingIfNotCompliant() { 8854 if (!isDeviceOwnerManagedSingleUserDevice()) { 8855 mInjector.securityLogSetLoggingEnabledProperty(false); 8856 Slog.w(LOG_TAG, "Security logging turned off as it's no longer a single user device."); 8857 } 8858 } 8859 8860 @Override 8861 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 8862 Preconditions.checkNotNull(admin); 8863 ensureDeviceOwnerManagingSingleUser(admin); 8864 8865 synchronized (this) { 8866 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 8867 return; 8868 } 8869 mInjector.securityLogSetLoggingEnabledProperty(enabled); 8870 if (enabled) { 8871 mSecurityLogMonitor.start(); 8872 } else { 8873 mSecurityLogMonitor.stop(); 8874 } 8875 } 8876 } 8877 8878 @Override 8879 public boolean isSecurityLoggingEnabled(ComponentName admin) { 8880 Preconditions.checkNotNull(admin); 8881 synchronized (this) { 8882 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8883 return mInjector.securityLogGetLoggingEnabledProperty(); 8884 } 8885 } 8886 8887 @Override 8888 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 8889 Preconditions.checkNotNull(admin); 8890 ensureDeviceOwnerManagingSingleUser(admin); 8891 8892 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs)) { 8893 return null; 8894 } 8895 8896 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 8897 try { 8898 SecurityLog.readPreviousEvents(output); 8899 return new ParceledListSlice<SecurityEvent>(output); 8900 } catch (IOException e) { 8901 Slog.w(LOG_TAG, "Fail to read previous events" , e); 8902 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 8903 } 8904 } 8905 8906 @Override 8907 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 8908 Preconditions.checkNotNull(admin); 8909 ensureDeviceOwnerManagingSingleUser(admin); 8910 8911 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 8912 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 8913 } 8914 8915 private void enforceCanManageDeviceAdmin() { 8916 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 8917 null); 8918 } 8919 8920 private void enforceCanManageProfileAndDeviceOwners() { 8921 mContext.enforceCallingOrSelfPermission( 8922 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 8923 } 8924 8925 @Override 8926 public boolean isUninstallInQueue(final String packageName) { 8927 enforceCanManageDeviceAdmin(); 8928 final int userId = mInjector.userHandleGetCallingUserId(); 8929 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8930 synchronized (this) { 8931 return mPackagesToRemove.contains(packageUserPair); 8932 } 8933 } 8934 8935 @Override 8936 public void uninstallPackageWithActiveAdmins(final String packageName) { 8937 enforceCanManageDeviceAdmin(); 8938 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 8939 8940 final int userId = mInjector.userHandleGetCallingUserId(); 8941 8942 enforceUserUnlocked(userId); 8943 8944 final ComponentName profileOwner = getProfileOwner(userId); 8945 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 8946 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 8947 } 8948 8949 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 8950 if (getDeviceOwnerUserId() == userId && deviceOwner != null 8951 && packageName.equals(deviceOwner.getPackageName())) { 8952 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 8953 } 8954 8955 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8956 synchronized (this) { 8957 mPackagesToRemove.add(packageUserPair); 8958 } 8959 8960 // All active admins on the user. 8961 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 8962 8963 // Active admins in the target package. 8964 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 8965 if (allActiveAdmins != null) { 8966 for (ComponentName activeAdmin : allActiveAdmins) { 8967 if (packageName.equals(activeAdmin.getPackageName())) { 8968 packageActiveAdmins.add(activeAdmin); 8969 removeActiveAdmin(activeAdmin, userId); 8970 } 8971 } 8972 } 8973 if (packageActiveAdmins.size() == 0) { 8974 startUninstallIntent(packageName, userId); 8975 } else { 8976 mHandler.postDelayed(new Runnable() { 8977 @Override 8978 public void run() { 8979 for (ComponentName activeAdmin : packageActiveAdmins) { 8980 removeAdminArtifacts(activeAdmin, userId); 8981 } 8982 startUninstallIntent(packageName, userId); 8983 } 8984 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 8985 } 8986 } 8987 8988 private void removePackageIfRequired(final String packageName, final int userId) { 8989 if (!packageHasActiveAdmins(packageName, userId)) { 8990 // Will not do anything if uninstall was not requested or was already started. 8991 startUninstallIntent(packageName, userId); 8992 } 8993 } 8994 8995 private void startUninstallIntent(final String packageName, final int userId) { 8996 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8997 synchronized (this) { 8998 if (!mPackagesToRemove.contains(packageUserPair)) { 8999 // Do nothing if uninstall was not requested or was already started. 9000 return; 9001 } 9002 mPackagesToRemove.remove(packageUserPair); 9003 } 9004 try { 9005 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 9006 // Package does not exist. Nothing to do. 9007 return; 9008 } 9009 } catch (RemoteException re) { 9010 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 9011 } 9012 9013 try { // force stop the package before uninstalling 9014 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 9015 } catch (RemoteException re) { 9016 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 9017 } 9018 final Uri packageURI = Uri.parse("package:" + packageName); 9019 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9020 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9021 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9022 } 9023 9024 /** 9025 * Removes the admin from the policy. Ideally called after the admin's 9026 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9027 * 9028 * @param adminReceiver The admin to remove 9029 * @param userHandle The user for which this admin has to be removed. 9030 */ 9031 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9032 synchronized (this) { 9033 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9034 if (admin == null) { 9035 return; 9036 } 9037 final DevicePolicyData policy = getUserData(userHandle); 9038 final boolean doProxyCleanup = admin.info.usesPolicy( 9039 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9040 policy.mAdminList.remove(admin); 9041 policy.mAdminMap.remove(adminReceiver); 9042 validatePasswordOwnerLocked(policy); 9043 if (doProxyCleanup) { 9044 resetGlobalProxyLocked(policy); 9045 } 9046 saveSettingsLocked(userHandle); 9047 updateMaximumTimeToLockLocked(userHandle); 9048 policy.mRemovingAdmins.remove(adminReceiver); 9049 } 9050 // The removed admin might have disabled camera, so update user 9051 // restrictions. 9052 pushUserRestrictions(userHandle); 9053 } 9054} 9055