DevicePolicyManagerService.java revision 03128dceab3a7cc517b7c253e740caac82e74033
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 21import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 25import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 26import static org.xmlpull.v1.XmlPullParser.END_TAG; 27import static org.xmlpull.v1.XmlPullParser.TEXT; 28 29import com.google.android.collect.Sets; 30 31import android.Manifest.permission; 32import android.accessibilityservice.AccessibilityServiceInfo; 33import android.accounts.AccountManager; 34import android.annotation.IntDef; 35import android.annotation.NonNull; 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.SystemUpdatePolicy; 53import android.app.backup.IBackupManager; 54import android.auditing.SecurityLog; 55import android.auditing.SecurityLog.SecurityEvent; 56import android.content.BroadcastReceiver; 57import android.content.ComponentName; 58import android.content.ContentResolver; 59import android.content.Context; 60import android.content.Intent; 61import android.content.IntentFilter; 62import android.content.pm.ActivityInfo; 63import android.content.pm.ApplicationInfo; 64import android.content.pm.IPackageManager; 65import android.content.pm.PackageInfo; 66import android.content.pm.PackageManager; 67import android.content.pm.PackageManager.NameNotFoundException; 68import android.content.pm.PackageManagerInternal; 69import android.content.pm.ParceledListSlice; 70import android.content.pm.ResolveInfo; 71import android.content.pm.ServiceInfo; 72import android.content.pm.UserInfo; 73import android.database.ContentObserver; 74import android.graphics.Bitmap; 75import android.graphics.Color; 76import android.media.AudioManager; 77import android.media.IAudioService; 78import android.net.ConnectivityManager; 79import android.net.ProxyInfo; 80import android.net.Uri; 81import android.net.wifi.WifiInfo; 82import android.net.wifi.WifiManager; 83import android.os.AsyncTask; 84import android.os.Binder; 85import android.os.Build; 86import android.os.Bundle; 87import android.os.Environment; 88import android.os.FileUtils; 89import android.os.Handler; 90import android.os.IBinder; 91import android.os.Looper; 92import android.os.ParcelFileDescriptor; 93import android.os.PersistableBundle; 94import android.os.PowerManager; 95import android.os.PowerManagerInternal; 96import android.os.Process; 97import android.os.RecoverySystem; 98import android.os.RemoteCallback; 99import android.os.RemoteException; 100import android.os.ServiceManager; 101import android.os.SystemClock; 102import android.os.SystemProperties; 103import android.os.UserHandle; 104import android.os.UserManager; 105import android.os.UserManagerInternal; 106import android.os.storage.StorageManager; 107import android.provider.ContactsContract.QuickContact; 108import android.provider.ContactsInternal; 109import android.provider.Settings; 110import android.security.Credentials; 111import android.security.IKeyChainAliasCallback; 112import android.security.IKeyChainService; 113import android.security.KeyChain; 114import android.security.KeyChain.KeyChainConnection; 115import android.service.persistentdata.PersistentDataBlockManager; 116import android.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.Preconditions; 136import com.android.internal.util.XmlUtils; 137import com.android.internal.widget.LockPatternUtils; 138import com.android.server.LocalServices; 139import com.android.server.SystemService; 140import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 141import com.android.server.pm.UserRestrictionsUtils; 142 143import org.xmlpull.v1.XmlPullParser; 144import org.xmlpull.v1.XmlPullParserException; 145import org.xmlpull.v1.XmlSerializer; 146 147import java.io.ByteArrayInputStream; 148import java.io.File; 149import java.io.FileDescriptor; 150import java.io.FileInputStream; 151import java.io.FileNotFoundException; 152import java.io.FileOutputStream; 153import java.io.IOException; 154import java.io.PrintWriter; 155import java.lang.annotation.Retention; 156import java.lang.annotation.RetentionPolicy; 157import java.nio.charset.StandardCharsets; 158import java.security.cert.CertificateException; 159import java.security.cert.CertificateFactory; 160import java.security.cert.X509Certificate; 161import java.text.DateFormat; 162import java.util.ArrayList; 163import java.util.Arrays; 164import java.util.Collections; 165import java.util.Date; 166import java.util.List; 167import java.util.Map.Entry; 168import java.util.Set; 169import java.util.concurrent.atomic.AtomicBoolean; 170 171/** 172 * Implementation of the device policy APIs. 173 */ 174public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 175 176 private static final String LOG_TAG = "DevicePolicyManagerService"; 177 178 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 179 180 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 181 182 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 183 184 private static final String TAG_STATUS_BAR = "statusbar"; 185 186 private static final String ATTR_DISABLED = "disabled"; 187 188 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 189 "do-not-ask-credentials-on-boot"; 190 191 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 192 193 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 194 195 private static final String ATTR_VALUE = "value"; 196 197 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 198 199 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 200 201 private static final long MS_PER_DAY = 86400 * 1000; 202 203 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 204 205 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 206 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 207 208 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 209 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 210 211 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 212 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 213 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 214 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 215 216 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 217 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 218 = "application-restrictions-manager"; 219 220 /** 221 * System property whose value is either "true" or "false", indicating whether 222 */ 223 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 224 225 private static final int STATUS_BAR_DISABLE_MASK = 226 StatusBarManager.DISABLE_EXPAND | 227 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 228 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 229 StatusBarManager.DISABLE_SEARCH; 230 231 private static final int STATUS_BAR_DISABLE2_MASK = 232 StatusBarManager.DISABLE2_QUICK_SETTINGS; 233 234 private static final Set<String> SECURE_SETTINGS_WHITELIST; 235 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 236 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 237 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 238 static { 239 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 240 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 241 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 242 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 243 244 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 245 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 246 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 247 248 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 249 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 250 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 251 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 252 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 253 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 254 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 255 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 256 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 257 258 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 259 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 260 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 261 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 262 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 263 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 264 } 265 266 /** 267 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 268 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 269 * instance. 270 */ 271 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 272 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 273 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 274 275 /** 276 * Keyguard features that when set on a profile affect the profile content or challenge only. 277 * These cannot be set on the managed profile's parent DPM instance 278 */ 279 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 280 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 281 282 /** Keyguard features that are allowed to be set on a managed profile */ 283 private static final int PROFILE_KEYGUARD_FEATURES = 284 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 285 286 private static final int CODE_OK = 0; 287 private static final int CODE_HAS_DEVICE_OWNER = 1; 288 private static final int CODE_USER_HAS_PROFILE_OWNER = 2; 289 private static final int CODE_USER_NOT_RUNNING = 3; 290 private static final int CODE_USER_SETUP_COMPLETED = 4; 291 private static final int CODE_NONSYSTEM_USER_EXISTS = 5; 292 private static final int CODE_ACCOUNTS_NOT_EMPTY = 6; 293 private static final int CODE_NOT_SYSTEM_USER = 7; 294 295 @Retention(RetentionPolicy.SOURCE) 296 @IntDef({ CODE_OK, CODE_HAS_DEVICE_OWNER, CODE_USER_HAS_PROFILE_OWNER, CODE_USER_NOT_RUNNING, 297 CODE_USER_SETUP_COMPLETED, CODE_NOT_SYSTEM_USER }) 298 private @interface DeviceOwnerPreConditionCode {} 299 300 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 301 302 final Context mContext; 303 final Injector mInjector; 304 final IPackageManager mIPackageManager; 305 final UserManager mUserManager; 306 final UserManagerInternal mUserManagerInternal; 307 private final LockPatternUtils mLockPatternUtils; 308 309 /** 310 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 311 * is requested for user u. 312 */ 313 private final Set<Pair<String, Integer>> mPackagesToRemove = 314 new ArraySet<Pair<String, Integer>>(); 315 316 final LocalService mLocalService; 317 318 // Stores and loads state on device and profile owners. 319 @VisibleForTesting 320 final Owners mOwners; 321 322 private final Binder mToken = new Binder(); 323 324 /** 325 * Whether or not device admin feature is supported. If it isn't return defaults for all 326 * public methods. 327 */ 328 boolean mHasFeature; 329 330 private final SecurityLogMonitor mSecurityLogMonitor; 331 332 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 333 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 334 335 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 336 @Override 337 public void run() { 338 if(mRemoteBugreportServiceIsActive.get()) { 339 onBugreportFailed(); 340 } 341 } 342 }; 343 344 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 345 346 @Override 347 public void onReceive(Context context, Intent intent) { 348 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 349 && mRemoteBugreportServiceIsActive.get()) { 350 onBugreportFinished(intent); 351 } 352 } 353 }; 354 355 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 356 357 @Override 358 public void onReceive(Context context, Intent intent) { 359 String action = intent.getAction(); 360 mInjector.getNotificationManager().cancel(LOG_TAG, 361 RemoteBugreportUtils.NOTIFICATION_ID); 362 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 363 onBugreportSharingAccepted(); 364 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 365 onBugreportSharingDeclined(); 366 } 367 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 368 } 369 }; 370 371 public static final class Lifecycle extends SystemService { 372 private DevicePolicyManagerService mService; 373 374 public Lifecycle(Context context) { 375 super(context); 376 mService = new DevicePolicyManagerService(context); 377 } 378 379 @Override 380 public void onStart() { 381 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 382 } 383 384 @Override 385 public void onBootPhase(int phase) { 386 mService.systemReady(phase); 387 } 388 389 @Override 390 public void onStartUser(int userHandle) { 391 mService.onStartUser(userHandle); 392 } 393 } 394 395 public static class DevicePolicyData { 396 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 397 int mActivePasswordLength = 0; 398 int mActivePasswordUpperCase = 0; 399 int mActivePasswordLowerCase = 0; 400 int mActivePasswordLetters = 0; 401 int mActivePasswordNumeric = 0; 402 int mActivePasswordSymbols = 0; 403 int mActivePasswordNonLetter = 0; 404 int mFailedPasswordAttempts = 0; 405 406 int mUserHandle; 407 int mPasswordOwner = -1; 408 long mLastMaximumTimeToLock = -1; 409 boolean mUserSetupComplete = false; 410 int mUserProvisioningState; 411 int mPermissionPolicy; 412 413 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 414 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 415 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 416 417 // This is the list of component allowed to start lock task mode. 418 List<String> mLockTaskPackages = new ArrayList<>(); 419 420 boolean mStatusBarDisabled = false; 421 422 ComponentName mRestrictionsProvider; 423 424 String mDelegatedCertInstallerPackage; 425 426 boolean doNotAskCredentialsOnBoot = false; 427 428 String mApplicationRestrictionsManagingPackage; 429 430 Set<String> mAffiliationIds = new ArraySet<>(); 431 432 // Used for initialization of users created by createAndManageUsers. 433 boolean mAdminBroadcastPending = false; 434 PersistableBundle mInitBundle = null; 435 436 public DevicePolicyData(int userHandle) { 437 mUserHandle = userHandle; 438 } 439 } 440 441 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 442 443 final Handler mHandler; 444 445 BroadcastReceiver mReceiver = new BroadcastReceiver() { 446 @Override 447 public void onReceive(Context context, Intent intent) { 448 final String action = intent.getAction(); 449 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 450 getSendingUserId()); 451 452 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 453 && userHandle == mOwners.getDeviceOwnerUserId() 454 && getDeviceOwnerRemoteBugreportUri() != null) { 455 IntentFilter filterConsent = new IntentFilter(); 456 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 457 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 458 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 459 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 460 RemoteBugreportUtils.NOTIFICATION_ID, 461 RemoteBugreportUtils.buildNotification(mContext, 462 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 463 UserHandle.ALL); 464 } 465 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 466 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 467 if (VERBOSE_LOG) { 468 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 469 + action + " for user " + userHandle); 470 } 471 mHandler.post(new Runnable() { 472 @Override 473 public void run() { 474 handlePasswordExpirationNotification(userHandle); 475 } 476 }); 477 } 478 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 479 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 480 new MonitoringCertNotificationTask().execute(intent); 481 } 482 if (Intent.ACTION_USER_ADDED.equals(action)) { 483 disableDeviceLoggingIfNotCompliant(); 484 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 485 disableDeviceLoggingIfNotCompliant(); 486 removeUserData(userHandle); 487 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 488 synchronized (DevicePolicyManagerService.this) { 489 // Reset the policy data 490 mUserData.remove(userHandle); 491 sendAdminEnabledBroadcastLocked(userHandle); 492 } 493 handlePackagesChanged(null /* check all admins */, userHandle); 494 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 495 handlePackagesChanged(null /* check all admins */, userHandle); 496 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 497 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 498 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 499 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 500 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 501 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 502 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 503 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 504 clearWipeProfileNotification(); 505 } 506 } 507 }; 508 509 static class ActiveAdmin { 510 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 511 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 512 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 513 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 514 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 515 = "disable-bt-contacts-sharing"; 516 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 517 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 518 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 519 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 520 private static final String TAG_ACCOUNT_TYPE = "account-type"; 521 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 522 = "permitted-accessiblity-services"; 523 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 524 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 525 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 526 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 527 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 528 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 529 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 530 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 531 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 532 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 533 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 534 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 535 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 536 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 537 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 538 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 539 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 540 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 541 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 542 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 543 private static final String ATTR_VALUE = "value"; 544 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 545 private static final String TAG_POLICIES = "policies"; 546 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 547 "cross-profile-widget-providers"; 548 private static final String TAG_PROVIDER = "provider"; 549 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 550 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 551 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 552 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 553 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 554 private static final String TAG_PARENT_ADMIN = "parent-admin"; 555 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 556 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 557 558 final DeviceAdminInfo info; 559 560 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 561 562 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 563 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 564 565 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 566 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 567 568 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 569 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 570 571 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 572 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 573 574 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 575 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 576 577 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 578 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 579 580 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 581 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 582 583 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 584 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 585 586 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 587 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 588 589 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 590 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 591 592 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 593 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 594 595 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 596 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 597 598 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 599 600 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 601 602 boolean encryptionRequested = false; 603 boolean disableCamera = false; 604 boolean disableCallerId = false; 605 boolean disableContactsSearch = false; 606 boolean disableBluetoothContactSharing = true; 607 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 608 boolean requireAutoTime = false; // Can only be set by a device owner. 609 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 610 611 ActiveAdmin parentAdmin; 612 final boolean isParent; 613 614 static class TrustAgentInfo { 615 public PersistableBundle options; 616 TrustAgentInfo(PersistableBundle bundle) { 617 options = bundle; 618 } 619 } 620 621 Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 622 623 // The list of permitted accessibility services package namesas set by a profile 624 // or device owner. Null means all accessibility services are allowed, empty means 625 // none except system services are allowed. 626 List<String> permittedAccessiblityServices; 627 628 // The list of permitted input methods package names as set by a profile or device owner. 629 // Null means all input methods are allowed, empty means none except system imes are 630 // allowed. 631 List<String> permittedInputMethods; 632 633 // List of package names to keep cached. 634 List<String> keepUninstalledPackages; 635 636 // TODO: review implementation decisions with frameworks team 637 boolean specifiesGlobalProxy = false; 638 String globalProxySpec = null; 639 String globalProxyExclusionList = null; 640 641 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 642 643 List<String> crossProfileWidgetProviders; 644 645 Bundle userRestrictions; 646 647 // Support text provided by the admin to display to the user. 648 String shortSupportMessage = null; 649 String longSupportMessage = null; 650 651 // Background color of confirm credentials screen. Default: gray. 652 static final int DEF_ORGANIZATION_COLOR = Color.GRAY; 653 int organizationColor = DEF_ORGANIZATION_COLOR; 654 655 // Default title of confirm credentials screen 656 String organizationName = null; 657 658 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 659 info = _info; 660 isParent = parent; 661 } 662 663 ActiveAdmin getParentActiveAdmin() { 664 Preconditions.checkState(!isParent); 665 666 if (parentAdmin == null) { 667 parentAdmin = new ActiveAdmin(info, /* parent */ true); 668 } 669 return parentAdmin; 670 } 671 672 boolean hasParentActiveAdmin() { 673 return parentAdmin != null; 674 } 675 676 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 677 678 public UserHandle getUserHandle() { 679 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 680 } 681 682 void writeToXml(XmlSerializer out) 683 throws IllegalArgumentException, IllegalStateException, IOException { 684 out.startTag(null, TAG_POLICIES); 685 info.writePoliciesToXml(out); 686 out.endTag(null, TAG_POLICIES); 687 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 688 out.startTag(null, TAG_PASSWORD_QUALITY); 689 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 690 out.endTag(null, TAG_PASSWORD_QUALITY); 691 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 692 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 693 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 694 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 695 } 696 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 697 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 698 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 699 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 700 } 701 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 702 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 703 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 704 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 705 } 706 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 707 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 708 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 709 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 710 } 711 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 712 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 713 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 714 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 715 } 716 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 717 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 718 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 719 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 720 } 721 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 722 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 723 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 724 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 725 } 726 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 727 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 728 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 729 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 730 } 731 } 732 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 733 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 734 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 735 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 736 } 737 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 738 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 739 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 740 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 741 } 742 if (specifiesGlobalProxy) { 743 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 744 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 745 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 746 if (globalProxySpec != null) { 747 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 748 out.attribute(null, ATTR_VALUE, globalProxySpec); 749 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 750 } 751 if (globalProxyExclusionList != null) { 752 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 753 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 754 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 755 } 756 } 757 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 758 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 759 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 760 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 761 } 762 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 763 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 764 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 765 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 766 } 767 if (encryptionRequested) { 768 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 769 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 770 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 771 } 772 if (disableCamera) { 773 out.startTag(null, TAG_DISABLE_CAMERA); 774 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 775 out.endTag(null, TAG_DISABLE_CAMERA); 776 } 777 if (disableCallerId) { 778 out.startTag(null, TAG_DISABLE_CALLER_ID); 779 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 780 out.endTag(null, TAG_DISABLE_CALLER_ID); 781 } 782 if (disableContactsSearch) { 783 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 784 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 785 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 786 } 787 if (!disableBluetoothContactSharing) { 788 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 789 out.attribute(null, ATTR_VALUE, 790 Boolean.toString(disableBluetoothContactSharing)); 791 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 792 } 793 if (disableScreenCapture) { 794 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 795 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 796 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 797 } 798 if (requireAutoTime) { 799 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 800 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 801 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 802 } 803 if (forceEphemeralUsers) { 804 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 805 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 806 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 807 } 808 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 809 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 810 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 811 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 812 } 813 if (!accountTypesWithManagementDisabled.isEmpty()) { 814 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 815 for (String ac : accountTypesWithManagementDisabled) { 816 out.startTag(null, TAG_ACCOUNT_TYPE); 817 out.attribute(null, ATTR_VALUE, ac); 818 out.endTag(null, TAG_ACCOUNT_TYPE); 819 } 820 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 821 } 822 if (!trustAgentInfos.isEmpty()) { 823 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 824 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 825 for (Entry<String, TrustAgentInfo> entry : set) { 826 TrustAgentInfo trustAgentInfo = entry.getValue(); 827 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 828 out.attribute(null, ATTR_VALUE, entry.getKey()); 829 if (trustAgentInfo.options != null) { 830 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 831 try { 832 trustAgentInfo.options.saveToXml(out); 833 } catch (XmlPullParserException e) { 834 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 835 } 836 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 837 } 838 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 839 } 840 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 841 } 842 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 843 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 844 final int providerCount = crossProfileWidgetProviders.size(); 845 for (int i = 0; i < providerCount; i++) { 846 String provider = crossProfileWidgetProviders.get(i); 847 out.startTag(null, TAG_PROVIDER); 848 out.attribute(null, ATTR_VALUE, provider); 849 out.endTag(null, TAG_PROVIDER); 850 } 851 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 852 } 853 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 854 permittedAccessiblityServices); 855 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 856 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 857 if (hasUserRestrictions()) { 858 UserRestrictionsUtils.writeRestrictions( 859 out, userRestrictions, TAG_USER_RESTRICTIONS); 860 } 861 if (!TextUtils.isEmpty(shortSupportMessage)) { 862 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 863 out.text(shortSupportMessage); 864 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 865 } 866 if (!TextUtils.isEmpty(longSupportMessage)) { 867 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 868 out.text(longSupportMessage); 869 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 870 } 871 if (parentAdmin != null) { 872 out.startTag(null, TAG_PARENT_ADMIN); 873 parentAdmin.writeToXml(out); 874 out.endTag(null, TAG_PARENT_ADMIN); 875 } 876 if (organizationColor != DEF_ORGANIZATION_COLOR) { 877 out.startTag(null, TAG_ORGANIZATION_COLOR); 878 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 879 out.endTag(null, TAG_ORGANIZATION_COLOR); 880 } 881 if (organizationName != null) { 882 out.startTag(null, TAG_ORGANIZATION_NAME); 883 out.text(organizationName); 884 out.endTag(null, TAG_ORGANIZATION_NAME); 885 } 886 } 887 888 void writePackageListToXml(XmlSerializer out, String outerTag, 889 List<String> packageList) 890 throws IllegalArgumentException, IllegalStateException, IOException { 891 if (packageList == null) { 892 return; 893 } 894 895 out.startTag(null, outerTag); 896 for (String packageName : packageList) { 897 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 898 out.attribute(null, ATTR_VALUE, packageName); 899 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 900 } 901 out.endTag(null, outerTag); 902 } 903 904 void readFromXml(XmlPullParser parser) 905 throws XmlPullParserException, IOException { 906 int outerDepth = parser.getDepth(); 907 int type; 908 while ((type=parser.next()) != END_DOCUMENT 909 && (type != END_TAG || parser.getDepth() > outerDepth)) { 910 if (type == END_TAG || type == TEXT) { 911 continue; 912 } 913 String tag = parser.getName(); 914 if (TAG_POLICIES.equals(tag)) { 915 info.readPoliciesFromXml(parser); 916 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 917 passwordQuality = Integer.parseInt( 918 parser.getAttributeValue(null, ATTR_VALUE)); 919 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 920 minimumPasswordLength = Integer.parseInt( 921 parser.getAttributeValue(null, ATTR_VALUE)); 922 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 923 passwordHistoryLength = Integer.parseInt( 924 parser.getAttributeValue(null, ATTR_VALUE)); 925 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 926 minimumPasswordUpperCase = Integer.parseInt( 927 parser.getAttributeValue(null, ATTR_VALUE)); 928 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 929 minimumPasswordLowerCase = Integer.parseInt( 930 parser.getAttributeValue(null, ATTR_VALUE)); 931 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 932 minimumPasswordLetters = Integer.parseInt( 933 parser.getAttributeValue(null, ATTR_VALUE)); 934 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 935 minimumPasswordNumeric = Integer.parseInt( 936 parser.getAttributeValue(null, ATTR_VALUE)); 937 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 938 minimumPasswordSymbols = Integer.parseInt( 939 parser.getAttributeValue(null, ATTR_VALUE)); 940 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 941 minimumPasswordNonLetter = Integer.parseInt( 942 parser.getAttributeValue(null, ATTR_VALUE)); 943 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 944 maximumTimeToUnlock = Long.parseLong( 945 parser.getAttributeValue(null, ATTR_VALUE)); 946 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 947 maximumFailedPasswordsForWipe = Integer.parseInt( 948 parser.getAttributeValue(null, ATTR_VALUE)); 949 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 950 specifiesGlobalProxy = Boolean.parseBoolean( 951 parser.getAttributeValue(null, ATTR_VALUE)); 952 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 953 globalProxySpec = 954 parser.getAttributeValue(null, ATTR_VALUE); 955 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 956 globalProxyExclusionList = 957 parser.getAttributeValue(null, ATTR_VALUE); 958 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 959 passwordExpirationTimeout = Long.parseLong( 960 parser.getAttributeValue(null, ATTR_VALUE)); 961 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 962 passwordExpirationDate = Long.parseLong( 963 parser.getAttributeValue(null, ATTR_VALUE)); 964 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 965 encryptionRequested = Boolean.parseBoolean( 966 parser.getAttributeValue(null, ATTR_VALUE)); 967 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 968 disableCamera = Boolean.parseBoolean( 969 parser.getAttributeValue(null, ATTR_VALUE)); 970 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 971 disableCallerId = Boolean.parseBoolean( 972 parser.getAttributeValue(null, ATTR_VALUE)); 973 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 974 disableContactsSearch = Boolean.parseBoolean( 975 parser.getAttributeValue(null, ATTR_VALUE)); 976 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 977 disableBluetoothContactSharing = Boolean.parseBoolean(parser 978 .getAttributeValue(null, ATTR_VALUE)); 979 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 980 disableScreenCapture = Boolean.parseBoolean( 981 parser.getAttributeValue(null, ATTR_VALUE)); 982 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 983 requireAutoTime = Boolean.parseBoolean( 984 parser.getAttributeValue(null, ATTR_VALUE)); 985 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 986 forceEphemeralUsers = Boolean.parseBoolean( 987 parser.getAttributeValue(null, ATTR_VALUE)); 988 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 989 disabledKeyguardFeatures = Integer.parseInt( 990 parser.getAttributeValue(null, ATTR_VALUE)); 991 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 992 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 993 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 994 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 995 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 996 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 997 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 998 permittedAccessiblityServices = readPackageList(parser, tag); 999 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1000 permittedInputMethods = readPackageList(parser, tag); 1001 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1002 keepUninstalledPackages = readPackageList(parser, tag); 1003 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1004 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 1005 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1006 type = parser.next(); 1007 if (type == XmlPullParser.TEXT) { 1008 shortSupportMessage = parser.getText(); 1009 } else { 1010 Log.w(LOG_TAG, "Missing text when loading short support message"); 1011 } 1012 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1013 type = parser.next(); 1014 if (type == XmlPullParser.TEXT) { 1015 longSupportMessage = parser.getText(); 1016 } else { 1017 Log.w(LOG_TAG, "Missing text when loading long support message"); 1018 } 1019 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1020 Preconditions.checkState(!isParent); 1021 1022 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1023 parentAdmin.readFromXml(parser); 1024 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1025 organizationColor = Integer.parseInt( 1026 parser.getAttributeValue(null, ATTR_VALUE)); 1027 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1028 type = parser.next(); 1029 if (type == XmlPullParser.TEXT) { 1030 organizationName = parser.getText(); 1031 } else { 1032 Log.w(LOG_TAG, "Missing text when loading organization name"); 1033 } 1034 } else { 1035 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1036 XmlUtils.skipCurrentTag(parser); 1037 } 1038 } 1039 } 1040 1041 private List<String> readPackageList(XmlPullParser parser, 1042 String tag) throws XmlPullParserException, IOException { 1043 List<String> result = new ArrayList<String>(); 1044 int outerDepth = parser.getDepth(); 1045 int outerType; 1046 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1047 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1048 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1049 continue; 1050 } 1051 String outerTag = parser.getName(); 1052 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1053 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1054 if (packageName != null) { 1055 result.add(packageName); 1056 } else { 1057 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1058 } 1059 } else { 1060 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1061 } 1062 } 1063 return result; 1064 } 1065 1066 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 1067 throws XmlPullParserException, IOException { 1068 int outerDepthDAM = parser.getDepth(); 1069 int typeDAM; 1070 Set<String> result = new ArraySet<>(); 1071 while ((typeDAM=parser.next()) != END_DOCUMENT 1072 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1073 if (typeDAM == END_TAG || typeDAM == TEXT) { 1074 continue; 1075 } 1076 String tagDAM = parser.getName(); 1077 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 1078 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1079 } else { 1080 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1081 } 1082 } 1083 return result; 1084 } 1085 1086 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1087 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1088 int outerDepthDAM = parser.getDepth(); 1089 int typeDAM; 1090 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1091 while ((typeDAM=parser.next()) != END_DOCUMENT 1092 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1093 if (typeDAM == END_TAG || typeDAM == TEXT) { 1094 continue; 1095 } 1096 String tagDAM = parser.getName(); 1097 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1098 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1099 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1100 result.put(component, trustAgentInfo); 1101 } else { 1102 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1103 } 1104 } 1105 return result; 1106 } 1107 1108 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1109 throws XmlPullParserException, IOException { 1110 int outerDepthDAM = parser.getDepth(); 1111 int typeDAM; 1112 TrustAgentInfo result = new TrustAgentInfo(null); 1113 while ((typeDAM=parser.next()) != END_DOCUMENT 1114 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1115 if (typeDAM == END_TAG || typeDAM == TEXT) { 1116 continue; 1117 } 1118 String tagDAM = parser.getName(); 1119 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1120 PersistableBundle bundle = new PersistableBundle(); 1121 bundle.restoreFromXml(parser); 1122 result.options = bundle; 1123 } else { 1124 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1125 } 1126 } 1127 return result; 1128 } 1129 1130 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 1131 throws XmlPullParserException, IOException { 1132 int outerDepthDAM = parser.getDepth(); 1133 int typeDAM; 1134 ArrayList<String> result = null; 1135 while ((typeDAM=parser.next()) != END_DOCUMENT 1136 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1137 if (typeDAM == END_TAG || typeDAM == TEXT) { 1138 continue; 1139 } 1140 String tagDAM = parser.getName(); 1141 if (TAG_PROVIDER.equals(tagDAM)) { 1142 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 1143 if (result == null) { 1144 result = new ArrayList<>(); 1145 } 1146 result.add(provider); 1147 } else { 1148 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1149 } 1150 } 1151 return result; 1152 } 1153 1154 boolean hasUserRestrictions() { 1155 return userRestrictions != null && userRestrictions.size() > 0; 1156 } 1157 1158 Bundle ensureUserRestrictions() { 1159 if (userRestrictions == null) { 1160 userRestrictions = new Bundle(); 1161 } 1162 return userRestrictions; 1163 } 1164 1165 void dump(String prefix, PrintWriter pw) { 1166 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1167 pw.print(prefix); pw.println("policies:"); 1168 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1169 if (pols != null) { 1170 for (int i=0; i<pols.size(); i++) { 1171 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1172 } 1173 } 1174 pw.print(prefix); pw.print("passwordQuality=0x"); 1175 pw.println(Integer.toHexString(passwordQuality)); 1176 pw.print(prefix); pw.print("minimumPasswordLength="); 1177 pw.println(minimumPasswordLength); 1178 pw.print(prefix); pw.print("passwordHistoryLength="); 1179 pw.println(passwordHistoryLength); 1180 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1181 pw.println(minimumPasswordUpperCase); 1182 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1183 pw.println(minimumPasswordLowerCase); 1184 pw.print(prefix); pw.print("minimumPasswordLetters="); 1185 pw.println(minimumPasswordLetters); 1186 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1187 pw.println(minimumPasswordNumeric); 1188 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1189 pw.println(minimumPasswordSymbols); 1190 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1191 pw.println(minimumPasswordNonLetter); 1192 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1193 pw.println(maximumTimeToUnlock); 1194 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1195 pw.println(maximumFailedPasswordsForWipe); 1196 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1197 pw.println(specifiesGlobalProxy); 1198 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1199 pw.println(passwordExpirationTimeout); 1200 pw.print(prefix); pw.print("passwordExpirationDate="); 1201 pw.println(passwordExpirationDate); 1202 if (globalProxySpec != null) { 1203 pw.print(prefix); pw.print("globalProxySpec="); 1204 pw.println(globalProxySpec); 1205 } 1206 if (globalProxyExclusionList != null) { 1207 pw.print(prefix); pw.print("globalProxyEclusionList="); 1208 pw.println(globalProxyExclusionList); 1209 } 1210 pw.print(prefix); pw.print("encryptionRequested="); 1211 pw.println(encryptionRequested); 1212 pw.print(prefix); pw.print("disableCamera="); 1213 pw.println(disableCamera); 1214 pw.print(prefix); pw.print("disableCallerId="); 1215 pw.println(disableCallerId); 1216 pw.print(prefix); pw.print("disableContactsSearch="); 1217 pw.println(disableContactsSearch); 1218 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1219 pw.println(disableBluetoothContactSharing); 1220 pw.print(prefix); pw.print("disableScreenCapture="); 1221 pw.println(disableScreenCapture); 1222 pw.print(prefix); pw.print("requireAutoTime="); 1223 pw.println(requireAutoTime); 1224 pw.print(prefix); pw.print("forceEphemeralUsers="); 1225 pw.println(forceEphemeralUsers); 1226 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1227 pw.println(disabledKeyguardFeatures); 1228 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1229 pw.println(crossProfileWidgetProviders); 1230 if (permittedAccessiblityServices != null) { 1231 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1232 pw.println(permittedAccessiblityServices); 1233 } 1234 if (permittedInputMethods != null) { 1235 pw.print(prefix); pw.print("permittedInputMethods="); 1236 pw.println(permittedInputMethods); 1237 } 1238 if (keepUninstalledPackages != null) { 1239 pw.print(prefix); pw.print("keepUninstalledPackages="); 1240 pw.println(keepUninstalledPackages); 1241 } 1242 pw.print(prefix); pw.print("organizationColor="); 1243 pw.println(organizationColor); 1244 if (organizationName != null) { 1245 pw.print(prefix); pw.print("organizationName="); 1246 pw.println(organizationName); 1247 } 1248 pw.print(prefix); pw.println("userRestrictions:"); 1249 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1250 pw.print(prefix); pw.print("isParent="); 1251 pw.println(isParent); 1252 if (parentAdmin != null) { 1253 pw.print(prefix); pw.println("parentAdmin:"); 1254 parentAdmin.dump(prefix + " ", pw); 1255 } 1256 } 1257 } 1258 1259 private void handlePackagesChanged(String packageName, int userHandle) { 1260 boolean removed = false; 1261 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1262 DevicePolicyData policy = getUserData(userHandle); 1263 synchronized (this) { 1264 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1265 ActiveAdmin aa = policy.mAdminList.get(i); 1266 try { 1267 // If we're checking all packages or if the specific one we're checking matches, 1268 // then check if the package and receiver still exist. 1269 final String adminPackage = aa.info.getPackageName(); 1270 if (packageName == null || packageName.equals(adminPackage)) { 1271 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1272 || mIPackageManager.getReceiverInfo( 1273 aa.info.getComponent(), 1274 PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE, 1275 userHandle) == null) { 1276 removed = true; 1277 policy.mAdminList.remove(i); 1278 policy.mAdminMap.remove(aa.info.getComponent()); 1279 } 1280 } 1281 } catch (RemoteException re) { 1282 // Shouldn't happen 1283 } 1284 } 1285 if (removed) { 1286 validatePasswordOwnerLocked(policy); 1287 saveSettingsLocked(policy.mUserHandle); 1288 } 1289 1290 // Check if delegated cert installer or app restrictions managing packages are removed. 1291 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1292 policy.mDelegatedCertInstallerPackage = null; 1293 saveSettingsLocked(policy.mUserHandle); 1294 } 1295 if (isRemovedPackage( 1296 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1297 policy.mApplicationRestrictionsManagingPackage = null; 1298 saveSettingsLocked(policy.mUserHandle); 1299 } 1300 } 1301 if (removed) { 1302 // The removed admin might have disabled camera, so update user restrictions. 1303 pushUserRestrictions(userHandle); 1304 } 1305 } 1306 1307 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1308 try { 1309 return targetPackage != null 1310 && (changedPackage == null || changedPackage.equals(targetPackage)) 1311 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1312 } catch (RemoteException e) { 1313 // Shouldn't happen 1314 } 1315 1316 return false; 1317 } 1318 1319 /** 1320 * Unit test will subclass it to inject mocks. 1321 */ 1322 @VisibleForTesting 1323 static class Injector { 1324 1325 private final Context mContext; 1326 1327 Injector(Context context) { 1328 mContext = context; 1329 } 1330 1331 Owners newOwners() { 1332 return new Owners(mContext, getUserManager(), getUserManagerInternal()); 1333 } 1334 1335 UserManager getUserManager() { 1336 return UserManager.get(mContext); 1337 } 1338 1339 UserManagerInternal getUserManagerInternal() { 1340 return LocalServices.getService(UserManagerInternal.class); 1341 } 1342 1343 PackageManagerInternal getPackageManagerInternal() { 1344 return LocalServices.getService(PackageManagerInternal.class); 1345 } 1346 1347 NotificationManager getNotificationManager() { 1348 return mContext.getSystemService(NotificationManager.class); 1349 } 1350 1351 PowerManagerInternal getPowerManagerInternal() { 1352 return LocalServices.getService(PowerManagerInternal.class); 1353 } 1354 1355 IWindowManager getIWindowManager() { 1356 return IWindowManager.Stub 1357 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1358 } 1359 1360 IActivityManager getIActivityManager() { 1361 return ActivityManagerNative.getDefault(); 1362 } 1363 1364 IPackageManager getIPackageManager() { 1365 return AppGlobals.getPackageManager(); 1366 } 1367 1368 IBackupManager getIBackupManager() { 1369 return IBackupManager.Stub.asInterface( 1370 ServiceManager.getService(Context.BACKUP_SERVICE)); 1371 } 1372 1373 IAudioService getIAudioService() { 1374 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1375 } 1376 1377 LockPatternUtils newLockPatternUtils() { 1378 return new LockPatternUtils(mContext); 1379 } 1380 1381 Looper getMyLooper() { 1382 return Looper.myLooper(); 1383 } 1384 1385 WifiManager getWifiManager() { 1386 return mContext.getSystemService(WifiManager.class); 1387 } 1388 1389 long binderClearCallingIdentity() { 1390 return Binder.clearCallingIdentity(); 1391 } 1392 1393 void binderRestoreCallingIdentity(long token) { 1394 Binder.restoreCallingIdentity(token); 1395 } 1396 1397 int binderGetCallingUid() { 1398 return Binder.getCallingUid(); 1399 } 1400 1401 int binderGetCallingPid() { 1402 return Binder.getCallingPid(); 1403 } 1404 1405 UserHandle binderGetCallingUserHandle() { 1406 return Binder.getCallingUserHandle(); 1407 } 1408 1409 boolean binderIsCallingUidMyUid() { 1410 return getCallingUid() == Process.myUid(); 1411 } 1412 1413 final int userHandleGetCallingUserId() { 1414 return UserHandle.getUserId(binderGetCallingUid()); 1415 } 1416 1417 File environmentGetUserSystemDirectory(int userId) { 1418 return Environment.getUserSystemDirectory(userId); 1419 } 1420 1421 void powerManagerGoToSleep(long time, int reason, int flags) { 1422 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1423 } 1424 1425 void powerManagerReboot(String reason) { 1426 mContext.getSystemService(PowerManager.class).reboot(reason); 1427 } 1428 1429 boolean systemPropertiesGetBoolean(String key, boolean def) { 1430 return SystemProperties.getBoolean(key, def); 1431 } 1432 1433 long systemPropertiesGetLong(String key, long def) { 1434 return SystemProperties.getLong(key, def); 1435 } 1436 1437 String systemPropertiesGet(String key, String def) { 1438 return SystemProperties.get(key, def); 1439 } 1440 1441 String systemPropertiesGet(String key) { 1442 return SystemProperties.get(key); 1443 } 1444 1445 void systemPropertiesSet(String key, String value) { 1446 SystemProperties.set(key, value); 1447 } 1448 1449 boolean userManagerIsSplitSystemUser() { 1450 return UserManager.isSplitSystemUser(); 1451 } 1452 1453 String getDevicePolicyFilePathForSystemUser() { 1454 return "/data/system/"; 1455 } 1456 1457 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1458 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1459 name, def, userHandle); 1460 } 1461 1462 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1463 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1464 name, value, userHandle); 1465 } 1466 1467 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1468 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1469 name, value, userHandle); 1470 } 1471 1472 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1473 Settings.Global.putStringForUser(mContext.getContentResolver(), 1474 name, value, userHandle); 1475 } 1476 1477 void settingsSecurePutInt(String name, int value) { 1478 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1479 } 1480 1481 int settingsGlobalGetInt(String name, int def) { 1482 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1483 } 1484 1485 void settingsGlobalPutInt(String name, int value) { 1486 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1487 } 1488 1489 void settingsSecurePutString(String name, String value) { 1490 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1491 } 1492 1493 void settingsGlobalPutString(String name, String value) { 1494 Settings.Global.putString(mContext.getContentResolver(), name, value); 1495 } 1496 1497 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1498 SecurityLog.setLoggingEnabledProperty(enabled); 1499 } 1500 1501 boolean securityLogGetLoggingEnabledProperty() { 1502 return SecurityLog.getLoggingEnabledProperty(); 1503 } 1504 1505 boolean securityLogIsLoggingEnabled() { 1506 return SecurityLog.isLoggingEnabled(); 1507 } 1508 } 1509 1510 /** 1511 * Instantiates the service. 1512 */ 1513 public DevicePolicyManagerService(Context context) { 1514 this(new Injector(context)); 1515 } 1516 1517 @VisibleForTesting 1518 DevicePolicyManagerService(Injector injector) { 1519 mInjector = injector; 1520 mContext = Preconditions.checkNotNull(injector.mContext); 1521 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1522 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1523 1524 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1525 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1526 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1527 1528 mLocalService = new LocalService(); 1529 mLockPatternUtils = injector.newLockPatternUtils(); 1530 1531 mSecurityLogMonitor = new SecurityLogMonitor(this); 1532 1533 mHasFeature = mContext.getPackageManager() 1534 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1535 if (!mHasFeature) { 1536 // Skip the rest of the initialization 1537 return; 1538 } 1539 IntentFilter filter = new IntentFilter(); 1540 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1541 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1542 filter.addAction(Intent.ACTION_USER_ADDED); 1543 filter.addAction(Intent.ACTION_USER_REMOVED); 1544 filter.addAction(Intent.ACTION_USER_STARTED); 1545 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1546 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1547 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1548 filter = new IntentFilter(); 1549 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1550 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1551 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1552 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1553 filter.addDataScheme("package"); 1554 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1555 filter = new IntentFilter(); 1556 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1557 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1558 1559 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1560 } 1561 1562 /** 1563 * Creates and loads the policy data from xml. 1564 * @param userHandle the user for whom to load the policy data 1565 * @return 1566 */ 1567 @NonNull 1568 DevicePolicyData getUserData(int userHandle) { 1569 synchronized (this) { 1570 DevicePolicyData policy = mUserData.get(userHandle); 1571 if (policy == null) { 1572 policy = new DevicePolicyData(userHandle); 1573 mUserData.append(userHandle, policy); 1574 loadSettingsLocked(policy, userHandle); 1575 } 1576 return policy; 1577 } 1578 } 1579 1580 /** 1581 * Creates and loads the policy data from xml for data that is shared between 1582 * various profiles of a user. In contrast to {@link #getUserData(int)} 1583 * it allows access to data of users other than the calling user. 1584 * 1585 * This function should only be used for shared data, e.g. everything regarding 1586 * passwords and should be removed once multiple screen locks are present. 1587 * @param userHandle the user for whom to load the policy data 1588 * @return 1589 */ 1590 DevicePolicyData getUserDataUnchecked(int userHandle) { 1591 long ident = mInjector.binderClearCallingIdentity(); 1592 try { 1593 return getUserData(userHandle); 1594 } finally { 1595 mInjector.binderRestoreCallingIdentity(ident); 1596 } 1597 } 1598 1599 void removeUserData(int userHandle) { 1600 synchronized (this) { 1601 if (userHandle == UserHandle.USER_SYSTEM) { 1602 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1603 return; 1604 } 1605 mOwners.removeProfileOwner(userHandle); 1606 mOwners.writeProfileOwner(userHandle); 1607 1608 DevicePolicyData policy = mUserData.get(userHandle); 1609 if (policy != null) { 1610 mUserData.remove(userHandle); 1611 } 1612 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1613 DEVICE_POLICIES_XML); 1614 policyFile.delete(); 1615 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1616 } 1617 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1618 } 1619 1620 void loadOwners() { 1621 synchronized (this) { 1622 mOwners.load(); 1623 setDeviceOwnerSystemPropertyLocked(); 1624 findOwnerComponentIfNecessaryLocked(); 1625 migrateUserRestrictionsIfNecessaryLocked(); 1626 1627 // TODO PO may not have a class name either due to b/17652534. Address that too. 1628 1629 updateDeviceOwnerLocked(); 1630 } 1631 } 1632 1633 private void setDeviceOwnerSystemPropertyLocked() { 1634 // Device owner may still be provisioned, do not set the read-only system property yet. 1635 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1636 return; 1637 } 1638 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1639 // always false at this point. 1640 if (StorageManager.inCryptKeeperBounce()) { 1641 return; 1642 } 1643 1644 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1645 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1646 } else { 1647 if (mOwners.hasDeviceOwner()) { 1648 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1649 disableDeviceLoggingIfNotCompliant(); 1650 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1651 mSecurityLogMonitor.start(); 1652 } 1653 } else { 1654 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1655 } 1656 } 1657 } 1658 1659 private void findOwnerComponentIfNecessaryLocked() { 1660 if (!mOwners.hasDeviceOwner()) { 1661 return; 1662 } 1663 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1664 1665 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1666 return; // Already a full component name. 1667 } 1668 1669 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1670 doComponentName.getPackageName(), 1671 mOwners.getDeviceOwnerUserId()); 1672 if (doComponent == null) { 1673 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1674 } else { 1675 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1676 doComponent, 1677 mOwners.getDeviceOwnerName(), 1678 mOwners.getDeviceOwnerUserId(), 1679 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1680 mOwners.writeDeviceOwner(); 1681 if (VERBOSE_LOG) { 1682 Log.v(LOG_TAG, "Device owner component filled in"); 1683 } 1684 } 1685 } 1686 1687 /** 1688 * We didn't use to persist user restrictions for each owners but only persisted in user 1689 * manager. 1690 */ 1691 private void migrateUserRestrictionsIfNecessaryLocked() { 1692 boolean migrated = false; 1693 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1694 // except for the "system controlled" ones. 1695 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1696 if (VERBOSE_LOG) { 1697 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1698 } 1699 migrated = true; 1700 1701 // Migrate user 0 restrictions to DO. 1702 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1703 1704 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1705 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1706 1707 // Push DO user restrictions to user manager. 1708 pushUserRestrictions(UserHandle.USER_SYSTEM); 1709 1710 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1711 } 1712 1713 // Migrate for POs. 1714 1715 // The following restrictions can be set on secondary users by the device owner, so we 1716 // assume they're not from the PO. 1717 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1718 UserManager.DISALLOW_OUTGOING_CALLS, 1719 UserManager.DISALLOW_SMS); 1720 1721 for (UserInfo ui : mUserManager.getUsers()) { 1722 final int userId = ui.id; 1723 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1724 if (VERBOSE_LOG) { 1725 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1726 } 1727 migrated = true; 1728 1729 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1730 1731 final Set<String> exceptionList = 1732 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1733 1734 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1735 exceptionList, /* isDeviceOwner =*/ false); 1736 1737 // Note if a secondary user has no PO but has a DA that disables camera, we 1738 // don't get here and won't push the camera user restriction to UserManager 1739 // here. That's okay because we'll push user restrictions anyway when a user 1740 // starts. But we still do it because we want to let user manager persist 1741 // upon migration. 1742 pushUserRestrictions(userId); 1743 1744 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1745 } 1746 } 1747 if (VERBOSE_LOG && migrated) { 1748 Log.v(LOG_TAG, "User restrictions migrated."); 1749 } 1750 } 1751 1752 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1753 Set<String> exceptionList, boolean isDeviceOwner) { 1754 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1755 user.getIdentifier()); 1756 1757 final Bundle newBaseRestrictions = new Bundle(); 1758 final Bundle newOwnerRestrictions = new Bundle(); 1759 1760 for (String key : origRestrictions.keySet()) { 1761 if (!origRestrictions.getBoolean(key)) { 1762 continue; 1763 } 1764 final boolean canOwnerChange = isDeviceOwner 1765 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1766 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1767 1768 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1769 newBaseRestrictions.putBoolean(key, true); 1770 } else { 1771 newOwnerRestrictions.putBoolean(key, true); 1772 } 1773 } 1774 1775 if (VERBOSE_LOG) { 1776 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1777 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1778 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1779 } 1780 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1781 newBaseRestrictions); 1782 1783 if (admin != null) { 1784 admin.ensureUserRestrictions().clear(); 1785 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1786 } else { 1787 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1788 } 1789 saveSettingsLocked(user.getIdentifier()); 1790 } 1791 1792 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1793 final DevicePolicyData policy = getUserData(userId); 1794 final int n = policy.mAdminList.size(); 1795 ComponentName found = null; 1796 int nFound = 0; 1797 for (int i = 0; i < n; i++) { 1798 final ActiveAdmin admin = policy.mAdminList.get(i); 1799 if (packageName.equals(admin.info.getPackageName())) { 1800 // Found! 1801 if (nFound == 0) { 1802 found = admin.info.getComponent(); 1803 } 1804 nFound++; 1805 } 1806 } 1807 if (nFound > 1) { 1808 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1809 } 1810 return found; 1811 } 1812 1813 /** 1814 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1815 * reminders. Clears alarm if no expirations are configured. 1816 */ 1817 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 1818 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 1819 final long now = System.currentTimeMillis(); 1820 final long timeToExpire = expiration - now; 1821 final long alarmTime; 1822 if (expiration == 0) { 1823 // No expirations are currently configured: Cancel alarm. 1824 alarmTime = 0; 1825 } else if (timeToExpire <= 0) { 1826 // The password has already expired: Repeat every 24 hours. 1827 alarmTime = now + MS_PER_DAY; 1828 } else { 1829 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1830 // the expiration time. 1831 long alarmInterval = timeToExpire % MS_PER_DAY; 1832 if (alarmInterval == 0) { 1833 alarmInterval = MS_PER_DAY; 1834 } 1835 alarmTime = now + alarmInterval; 1836 } 1837 1838 long token = mInjector.binderClearCallingIdentity(); 1839 try { 1840 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 1841 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1842 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1843 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1844 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1845 UserHandle.of(affectedUserHandle)); 1846 am.cancel(pi); 1847 if (alarmTime != 0) { 1848 am.set(AlarmManager.RTC, alarmTime, pi); 1849 } 1850 } finally { 1851 mInjector.binderRestoreCallingIdentity(token); 1852 } 1853 } 1854 1855 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1856 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1857 if (admin != null 1858 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1859 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1860 return admin; 1861 } 1862 return null; 1863 } 1864 1865 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 1866 if (parent) { 1867 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 1868 } 1869 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1870 if (admin != null && parent) { 1871 admin = admin.getParentActiveAdmin(); 1872 } 1873 return admin; 1874 } 1875 1876 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1877 throws SecurityException { 1878 final int callingUid = mInjector.binderGetCallingUid(); 1879 1880 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1881 if (result != null) { 1882 return result; 1883 } 1884 1885 if (who != null) { 1886 final int userId = UserHandle.getUserId(callingUid); 1887 final DevicePolicyData policy = getUserData(userId); 1888 ActiveAdmin admin = policy.mAdminMap.get(who); 1889 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1890 throw new SecurityException("Admin " + admin.info.getComponent() 1891 + " does not own the device"); 1892 } 1893 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1894 throw new SecurityException("Admin " + admin.info.getComponent() 1895 + " does not own the profile"); 1896 } 1897 throw new SecurityException("Admin " + admin.info.getComponent() 1898 + " did not specify uses-policy for: " 1899 + admin.info.getTagForPolicy(reqPolicy)); 1900 } else { 1901 throw new SecurityException("No active admin owned by uid " 1902 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 1903 } 1904 } 1905 1906 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 1907 throws SecurityException { 1908 if (parent) { 1909 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 1910 "call APIs on the parent profile"); 1911 } 1912 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 1913 return parent ? admin.getParentActiveAdmin() : admin; 1914 } 1915 /** 1916 * Find the admin for the component and userId bit of the uid, then check 1917 * the admin's uid matches the uid. 1918 */ 1919 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 1920 final int userId = UserHandle.getUserId(uid); 1921 final DevicePolicyData policy = getUserData(userId); 1922 ActiveAdmin admin = policy.mAdminMap.get(who); 1923 if (admin == null) { 1924 throw new SecurityException("No active admin " + who); 1925 } 1926 if (admin.getUid() != uid) { 1927 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1928 } 1929 return admin; 1930 } 1931 1932 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1933 int uid) { 1934 // Try to find an admin which can use reqPolicy 1935 final int userId = UserHandle.getUserId(uid); 1936 final DevicePolicyData policy = getUserData(userId); 1937 if (who != null) { 1938 ActiveAdmin admin = policy.mAdminMap.get(who); 1939 if (admin == null) { 1940 throw new SecurityException("No active admin " + who); 1941 } 1942 if (admin.getUid() != uid) { 1943 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1944 } 1945 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1946 return admin; 1947 } 1948 } else { 1949 for (ActiveAdmin admin : policy.mAdminList) { 1950 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 1951 userId)) { 1952 return admin; 1953 } 1954 } 1955 } 1956 1957 return null; 1958 } 1959 1960 @VisibleForTesting 1961 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 1962 int userId) { 1963 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 1964 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 1965 1966 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1967 return ownsDevice; 1968 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1969 // DO always has the PO power. 1970 return ownsDevice || ownsProfile; 1971 } else { 1972 return admin.info.usesPolicy(reqPolicy); 1973 } 1974 } 1975 1976 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1977 sendAdminCommandLocked(admin, action, null); 1978 } 1979 1980 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1981 sendAdminCommandLocked(admin, action, null, result); 1982 } 1983 1984 /** 1985 * Send an update to one specific admin, get notified when that admin returns a result. 1986 */ 1987 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1988 BroadcastReceiver result) { 1989 Intent intent = new Intent(action); 1990 intent.setComponent(admin.info.getComponent()); 1991 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1992 intent.putExtra("expiration", admin.passwordExpirationDate); 1993 } 1994 if (adminExtras != null) { 1995 intent.putExtras(adminExtras); 1996 } 1997 if (result != null) { 1998 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1999 null, result, mHandler, Activity.RESULT_OK, null, null); 2000 } else { 2001 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2002 } 2003 } 2004 2005 /** 2006 * Send an update to all admins of a user that enforce a specified policy. 2007 */ 2008 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 2009 final DevicePolicyData policy = getUserData(userHandle); 2010 final int count = policy.mAdminList.size(); 2011 if (count > 0) { 2012 for (int i = 0; i < count; i++) { 2013 final ActiveAdmin admin = policy.mAdminList.get(i); 2014 if (admin.info.usesPolicy(reqPolicy)) { 2015 sendAdminCommandLocked(admin, action); 2016 } 2017 } 2018 } 2019 } 2020 2021 /** 2022 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2023 * enforce a specified policy. 2024 */ 2025 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2026 int userHandle) { 2027 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2028 for (UserInfo ui : profiles) { 2029 int id = ui.id; 2030 sendAdminCommandLocked(action, reqPolicy, id); 2031 } 2032 } 2033 2034 /** 2035 * Sends a broadcast to each profile that share the password unlock with the given user id. 2036 */ 2037 private void sendAdminCommandForLockscreenPoliciesLocked( 2038 String action, int reqPolicy, int userHandle) { 2039 if (isSeparateProfileChallengeEnabled(userHandle)) { 2040 sendAdminCommandLocked(action, reqPolicy, userHandle); 2041 } else { 2042 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 2043 } 2044 } 2045 2046 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2047 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2048 if (admin != null) { 2049 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 2050 sendAdminCommandLocked(admin, 2051 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2052 new BroadcastReceiver() { 2053 @Override 2054 public void onReceive(Context context, Intent intent) { 2055 removeAdminArtifacts(adminReceiver, userHandle); 2056 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2057 } 2058 }); 2059 } 2060 } 2061 2062 2063 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2064 boolean throwForMissiongPermission) { 2065 if (!mHasFeature) { 2066 return null; 2067 } 2068 enforceFullCrossUsersPermission(userHandle); 2069 ActivityInfo ai = null; 2070 try { 2071 ai = mIPackageManager.getReceiverInfo(adminName, 2072 PackageManager.GET_META_DATA | 2073 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS | 2074 PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE, userHandle); 2075 } catch (RemoteException e) { 2076 // shouldn't happen. 2077 } 2078 if (ai == null) { 2079 throw new IllegalArgumentException("Unknown admin: " + adminName); 2080 } 2081 2082 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2083 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2084 + permission.BIND_DEVICE_ADMIN; 2085 Slog.w(LOG_TAG, message); 2086 if (throwForMissiongPermission && 2087 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2088 throw new IllegalArgumentException(message); 2089 } 2090 } 2091 2092 try { 2093 return new DeviceAdminInfo(mContext, ai); 2094 } catch (XmlPullParserException | IOException e) { 2095 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2096 e); 2097 return null; 2098 } 2099 } 2100 2101 private JournaledFile makeJournaledFile(int userHandle) { 2102 final String base = userHandle == UserHandle.USER_SYSTEM 2103 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2104 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2105 DEVICE_POLICIES_XML).getAbsolutePath(); 2106 if (VERBOSE_LOG) { 2107 Log.v(LOG_TAG, "Opening " + base); 2108 } 2109 return new JournaledFile(new File(base), new File(base + ".tmp")); 2110 } 2111 2112 private void saveSettingsLocked(int userHandle) { 2113 DevicePolicyData policy = getUserData(userHandle); 2114 JournaledFile journal = makeJournaledFile(userHandle); 2115 FileOutputStream stream = null; 2116 try { 2117 stream = new FileOutputStream(journal.chooseForWrite(), false); 2118 XmlSerializer out = new FastXmlSerializer(); 2119 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2120 out.startDocument(null, true); 2121 2122 out.startTag(null, "policies"); 2123 if (policy.mRestrictionsProvider != null) { 2124 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2125 policy.mRestrictionsProvider.flattenToString()); 2126 } 2127 if (policy.mUserSetupComplete) { 2128 out.attribute(null, ATTR_SETUP_COMPLETE, 2129 Boolean.toString(true)); 2130 } 2131 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2132 out.attribute(null, ATTR_PROVISIONING_STATE, 2133 Integer.toString(policy.mUserProvisioningState)); 2134 } 2135 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2136 out.attribute(null, ATTR_PERMISSION_POLICY, 2137 Integer.toString(policy.mPermissionPolicy)); 2138 } 2139 if (policy.mDelegatedCertInstallerPackage != null) { 2140 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2141 policy.mDelegatedCertInstallerPackage); 2142 } 2143 if (policy.mApplicationRestrictionsManagingPackage != null) { 2144 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2145 policy.mApplicationRestrictionsManagingPackage); 2146 } 2147 2148 final int N = policy.mAdminList.size(); 2149 for (int i=0; i<N; i++) { 2150 ActiveAdmin ap = policy.mAdminList.get(i); 2151 if (ap != null) { 2152 out.startTag(null, "admin"); 2153 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2154 ap.writeToXml(out); 2155 out.endTag(null, "admin"); 2156 } 2157 } 2158 2159 if (policy.mPasswordOwner >= 0) { 2160 out.startTag(null, "password-owner"); 2161 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2162 out.endTag(null, "password-owner"); 2163 } 2164 2165 if (policy.mFailedPasswordAttempts != 0) { 2166 out.startTag(null, "failed-password-attempts"); 2167 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2168 out.endTag(null, "failed-password-attempts"); 2169 } 2170 2171 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 2172 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 2173 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 2174 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 2175 out.startTag(null, "active-password"); 2176 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 2177 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 2178 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 2179 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 2180 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 2181 out.attribute(null, "numeric", Integer 2182 .toString(policy.mActivePasswordNumeric)); 2183 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 2184 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 2185 out.endTag(null, "active-password"); 2186 } 2187 2188 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2189 String component = policy.mLockTaskPackages.get(i); 2190 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2191 out.attribute(null, "name", component); 2192 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2193 } 2194 2195 if (policy.mStatusBarDisabled) { 2196 out.startTag(null, TAG_STATUS_BAR); 2197 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2198 out.endTag(null, TAG_STATUS_BAR); 2199 } 2200 2201 if (policy.doNotAskCredentialsOnBoot) { 2202 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2203 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2204 } 2205 2206 for (String id : policy.mAffiliationIds) { 2207 out.startTag(null, TAG_AFFILIATION_ID); 2208 out.attribute(null, "id", id); 2209 out.endTag(null, TAG_AFFILIATION_ID); 2210 } 2211 2212 if (policy.mAdminBroadcastPending) { 2213 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2214 out.attribute(null, ATTR_VALUE, 2215 Boolean.toString(policy.mAdminBroadcastPending)); 2216 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2217 } 2218 2219 if (policy.mInitBundle != null) { 2220 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2221 policy.mInitBundle.saveToXml(out); 2222 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2223 } 2224 2225 out.endTag(null, "policies"); 2226 2227 out.endDocument(); 2228 stream.flush(); 2229 FileUtils.sync(stream); 2230 stream.close(); 2231 journal.commit(); 2232 sendChangedNotification(userHandle); 2233 } catch (XmlPullParserException | IOException e) { 2234 Slog.w(LOG_TAG, "failed writing file", e); 2235 try { 2236 if (stream != null) { 2237 stream.close(); 2238 } 2239 } catch (IOException ex) { 2240 // Ignore 2241 } 2242 journal.rollback(); 2243 } 2244 } 2245 2246 private void sendChangedNotification(int userHandle) { 2247 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2248 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2249 long ident = mInjector.binderClearCallingIdentity(); 2250 try { 2251 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2252 } finally { 2253 mInjector.binderRestoreCallingIdentity(ident); 2254 } 2255 } 2256 2257 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2258 JournaledFile journal = makeJournaledFile(userHandle); 2259 FileInputStream stream = null; 2260 File file = journal.chooseForRead(); 2261 try { 2262 stream = new FileInputStream(file); 2263 XmlPullParser parser = Xml.newPullParser(); 2264 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2265 2266 int type; 2267 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2268 && type != XmlPullParser.START_TAG) { 2269 } 2270 String tag = parser.getName(); 2271 if (!"policies".equals(tag)) { 2272 throw new XmlPullParserException( 2273 "Settings do not start with policies tag: found " + tag); 2274 } 2275 2276 // Extract the permission provider component name if available 2277 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2278 if (permissionProvider != null) { 2279 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2280 } 2281 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2282 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2283 policy.mUserSetupComplete = true; 2284 } 2285 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2286 if (!TextUtils.isEmpty(provisioningState)) { 2287 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2288 } 2289 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2290 if (!TextUtils.isEmpty(permissionPolicy)) { 2291 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2292 } 2293 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2294 ATTR_DELEGATED_CERT_INSTALLER); 2295 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2296 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2297 2298 type = parser.next(); 2299 int outerDepth = parser.getDepth(); 2300 policy.mLockTaskPackages.clear(); 2301 policy.mAdminList.clear(); 2302 policy.mAdminMap.clear(); 2303 policy.mAffiliationIds.clear(); 2304 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2305 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2306 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2307 continue; 2308 } 2309 tag = parser.getName(); 2310 if ("admin".equals(tag)) { 2311 String name = parser.getAttributeValue(null, "name"); 2312 try { 2313 DeviceAdminInfo dai = findAdmin( 2314 ComponentName.unflattenFromString(name), userHandle, 2315 /* throwForMissionPermission= */ false); 2316 if (VERBOSE_LOG 2317 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2318 != userHandle)) { 2319 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2320 + dai.getActivityInfo().applicationInfo.uid + " for user " 2321 + userHandle); 2322 } 2323 if (dai != null) { 2324 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2325 ap.readFromXml(parser); 2326 policy.mAdminMap.put(ap.info.getComponent(), ap); 2327 } 2328 } catch (RuntimeException e) { 2329 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2330 } 2331 } else if ("failed-password-attempts".equals(tag)) { 2332 policy.mFailedPasswordAttempts = Integer.parseInt( 2333 parser.getAttributeValue(null, "value")); 2334 } else if ("password-owner".equals(tag)) { 2335 policy.mPasswordOwner = Integer.parseInt( 2336 parser.getAttributeValue(null, "value")); 2337 } else if ("active-password".equals(tag)) { 2338 policy.mActivePasswordQuality = Integer.parseInt( 2339 parser.getAttributeValue(null, "quality")); 2340 policy.mActivePasswordLength = Integer.parseInt( 2341 parser.getAttributeValue(null, "length")); 2342 policy.mActivePasswordUpperCase = Integer.parseInt( 2343 parser.getAttributeValue(null, "uppercase")); 2344 policy.mActivePasswordLowerCase = Integer.parseInt( 2345 parser.getAttributeValue(null, "lowercase")); 2346 policy.mActivePasswordLetters = Integer.parseInt( 2347 parser.getAttributeValue(null, "letters")); 2348 policy.mActivePasswordNumeric = Integer.parseInt( 2349 parser.getAttributeValue(null, "numeric")); 2350 policy.mActivePasswordSymbols = Integer.parseInt( 2351 parser.getAttributeValue(null, "symbols")); 2352 policy.mActivePasswordNonLetter = Integer.parseInt( 2353 parser.getAttributeValue(null, "nonletter")); 2354 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2355 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2356 } else if (TAG_STATUS_BAR.equals(tag)) { 2357 policy.mStatusBarDisabled = Boolean.parseBoolean( 2358 parser.getAttributeValue(null, ATTR_DISABLED)); 2359 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2360 policy.doNotAskCredentialsOnBoot = true; 2361 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2362 policy.mAffiliationIds.add(parser.getAttributeValue(null, "id")); 2363 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2364 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2365 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2366 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2367 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2368 } else { 2369 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2370 XmlUtils.skipCurrentTag(parser); 2371 } 2372 } 2373 } catch (FileNotFoundException e) { 2374 // Don't be noisy, this is normal if we haven't defined any policies. 2375 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2376 | IndexOutOfBoundsException e) { 2377 Slog.w(LOG_TAG, "failed parsing " + file, e); 2378 } 2379 try { 2380 if (stream != null) { 2381 stream.close(); 2382 } 2383 } catch (IOException e) { 2384 // Ignore 2385 } 2386 2387 // Generate a list of admins from the admin map 2388 policy.mAdminList.addAll(policy.mAdminMap.values()); 2389 2390 // Validate that what we stored for the password quality matches 2391 // sufficiently what is currently set. Note that this is only 2392 // a sanity check in case the two get out of sync; this should 2393 // never normally happen. 2394 final long identity = mInjector.binderClearCallingIdentity(); 2395 try { 2396 int actualPasswordQuality = mLockPatternUtils.getActivePasswordQuality(userHandle); 2397 if (actualPasswordQuality < policy.mActivePasswordQuality) { 2398 Slog.w(LOG_TAG, "Active password quality 0x" 2399 + Integer.toHexString(policy.mActivePasswordQuality) 2400 + " does not match actual quality 0x" 2401 + Integer.toHexString(actualPasswordQuality)); 2402 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2403 policy.mActivePasswordLength = 0; 2404 policy.mActivePasswordUpperCase = 0; 2405 policy.mActivePasswordLowerCase = 0; 2406 policy.mActivePasswordLetters = 0; 2407 policy.mActivePasswordNumeric = 0; 2408 policy.mActivePasswordSymbols = 0; 2409 policy.mActivePasswordNonLetter = 0; 2410 } 2411 } finally { 2412 mInjector.binderRestoreCallingIdentity(identity); 2413 } 2414 2415 validatePasswordOwnerLocked(policy); 2416 updateMaximumTimeToLockLocked(userHandle); 2417 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2418 if (policy.mStatusBarDisabled) { 2419 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2420 } 2421 } 2422 2423 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2424 long ident = mInjector.binderClearCallingIdentity(); 2425 try { 2426 mInjector.getIActivityManager() 2427 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2428 } catch (RemoteException e) { 2429 // Not gonna happen. 2430 } finally { 2431 mInjector.binderRestoreCallingIdentity(ident); 2432 } 2433 } 2434 2435 private void updateDeviceOwnerLocked() { 2436 long ident = mInjector.binderClearCallingIdentity(); 2437 try { 2438 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2439 // user id and also protect all other DAs too. 2440 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2441 if (deviceOwnerComponent != null) { 2442 mInjector.getIActivityManager() 2443 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2444 } 2445 } catch (RemoteException e) { 2446 // Not gonna happen. 2447 } finally { 2448 mInjector.binderRestoreCallingIdentity(ident); 2449 } 2450 } 2451 2452 static void validateQualityConstant(int quality) { 2453 switch (quality) { 2454 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2455 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2456 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2457 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2458 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2459 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2460 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2461 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2462 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2463 return; 2464 } 2465 throw new IllegalArgumentException("Invalid quality constant: 0x" 2466 + Integer.toHexString(quality)); 2467 } 2468 2469 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2470 if (policy.mPasswordOwner >= 0) { 2471 boolean haveOwner = false; 2472 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2473 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2474 haveOwner = true; 2475 break; 2476 } 2477 } 2478 if (!haveOwner) { 2479 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2480 + " no longer active; disabling"); 2481 policy.mPasswordOwner = -1; 2482 } 2483 } 2484 } 2485 2486 @VisibleForTesting 2487 void systemReady(int phase) { 2488 if (!mHasFeature) { 2489 return; 2490 } 2491 switch (phase) { 2492 case SystemService.PHASE_LOCK_SETTINGS_READY: 2493 onLockSettingsReady(); 2494 break; 2495 case SystemService.PHASE_BOOT_COMPLETED: 2496 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2497 break; 2498 } 2499 } 2500 2501 private void onLockSettingsReady() { 2502 getUserData(UserHandle.USER_SYSTEM); 2503 loadOwners(); 2504 cleanUpOldUsers(); 2505 2506 onStartUser(UserHandle.USER_SYSTEM); 2507 2508 // Register an observer for watching for user setup complete. 2509 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 2510 // Initialize the user setup state, to handle the upgrade case. 2511 updateUserSetupComplete(); 2512 2513 List<String> packageList; 2514 synchronized (this) { 2515 packageList = getKeepUninstalledPackagesLocked(); 2516 } 2517 if (packageList != null) { 2518 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2519 } 2520 2521 synchronized (this) { 2522 // push the force-ephemeral-users policy to the user manager. 2523 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2524 if (deviceOwner != null) { 2525 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2526 } 2527 } 2528 } 2529 2530 private void ensureDeviceOwnerUserStarted() { 2531 final int userId; 2532 synchronized (this) { 2533 if (!mOwners.hasDeviceOwner()) { 2534 return; 2535 } 2536 userId = mOwners.getDeviceOwnerUserId(); 2537 } 2538 if (VERBOSE_LOG) { 2539 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2540 } 2541 if (userId != UserHandle.USER_SYSTEM) { 2542 try { 2543 mInjector.getIActivityManager().startUserInBackground(userId); 2544 2545 // STOPSHIP Prevent the DO user from being killed. 2546 2547 } catch (RemoteException e) { 2548 Slog.w(LOG_TAG, "Exception starting user", e); 2549 } 2550 } 2551 } 2552 2553 private void onStartUser(int userId) { 2554 updateScreenCaptureDisabledInWindowManager(userId, 2555 getScreenCaptureDisabled(null, userId)); 2556 pushUserRestrictions(userId); 2557 } 2558 2559 private void cleanUpOldUsers() { 2560 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2561 // before reboot 2562 Set<Integer> usersWithProfileOwners; 2563 Set<Integer> usersWithData; 2564 synchronized(this) { 2565 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2566 usersWithData = new ArraySet<>(); 2567 for (int i = 0; i < mUserData.size(); i++) { 2568 usersWithData.add(mUserData.keyAt(i)); 2569 } 2570 } 2571 List<UserInfo> allUsers = mUserManager.getUsers(); 2572 2573 Set<Integer> deletedUsers = new ArraySet<>(); 2574 deletedUsers.addAll(usersWithProfileOwners); 2575 deletedUsers.addAll(usersWithData); 2576 for (UserInfo userInfo : allUsers) { 2577 deletedUsers.remove(userInfo.id); 2578 } 2579 for (Integer userId : deletedUsers) { 2580 removeUserData(userId); 2581 } 2582 } 2583 2584 private void handlePasswordExpirationNotification(int userHandle) { 2585 synchronized (this) { 2586 final long now = System.currentTimeMillis(); 2587 2588 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2589 userHandle, /* parent */ false); 2590 final int N = admins.size(); 2591 for (int i = 0; i < N; i++) { 2592 ActiveAdmin admin = admins.get(i); 2593 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2594 && admin.passwordExpirationTimeout > 0L 2595 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2596 && admin.passwordExpirationDate > 0L) { 2597 sendAdminCommandLocked(admin, 2598 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2599 } 2600 } 2601 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2602 } 2603 } 2604 2605 private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { 2606 @Override 2607 protected Void doInBackground(Intent... params) { 2608 int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 2609 2610 if (userHandle == UserHandle.USER_ALL) { 2611 for (UserInfo userInfo : mUserManager.getUsers()) { 2612 manageNotification(userInfo.getUserHandle()); 2613 } 2614 } else { 2615 manageNotification(new UserHandle(userHandle)); 2616 } 2617 return null; 2618 } 2619 2620 private void manageNotification(UserHandle userHandle) { 2621 if (!mUserManager.isUserRunning(userHandle)) { 2622 return; 2623 } 2624 2625 // Call out to KeyChain to check for user-added CAs 2626 boolean hasCert = false; 2627 try { 2628 KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); 2629 try { 2630 if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { 2631 hasCert = true; 2632 } 2633 } catch (RemoteException e) { 2634 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 2635 } finally { 2636 kcs.close(); 2637 } 2638 } catch (InterruptedException e) { 2639 Thread.currentThread().interrupt(); 2640 } catch (RuntimeException | AssertionError e) { 2641 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 2642 } 2643 if (!hasCert) { 2644 mInjector.getNotificationManager().cancelAsUser( 2645 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2646 return; 2647 } 2648 2649 // Build and show a warning notification 2650 int smallIconId; 2651 String contentText; 2652 // TODO Why does it use the DO name? The cert APIs are all for PO. b/25772443 2653 final String ownerName = getDeviceOwnerName(); 2654 if (isManagedProfile(userHandle.getIdentifier())) { 2655 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); 2656 smallIconId = R.drawable.stat_sys_certificate_info; 2657 } else if (ownerName != null) { 2658 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); 2659 smallIconId = R.drawable.stat_sys_certificate_info; 2660 } else { 2661 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2662 smallIconId = android.R.drawable.stat_sys_warning; 2663 } 2664 2665 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2666 dialogIntent.setFlags( 2667 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2668 dialogIntent.setPackage("com.android.settings"); 2669 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2670 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 2671 2672 final Context userContext; 2673 try { 2674 userContext = mContext.createPackageContextAsUser("android", 0, userHandle); 2675 } catch (PackageManager.NameNotFoundException e) { 2676 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2677 return; 2678 } 2679 final Notification noti = new Notification.Builder(userContext) 2680 .setSmallIcon(smallIconId) 2681 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 2682 .setContentText(contentText) 2683 .setContentIntent(notifyIntent) 2684 .setPriority(Notification.PRIORITY_HIGH) 2685 .setShowWhen(false) 2686 .setColor(mContext.getColor( 2687 com.android.internal.R.color.system_notification_accent_color)) 2688 .build(); 2689 2690 mInjector.getNotificationManager().notifyAsUser( 2691 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2692 } 2693 } 2694 2695 /** 2696 * @param adminReceiver The admin to add 2697 * @param refreshing true = update an active admin, no error 2698 */ 2699 @Override 2700 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2701 if (!mHasFeature) { 2702 return; 2703 } 2704 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2705 } 2706 2707 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2708 Bundle onEnableData) { 2709 mContext.enforceCallingOrSelfPermission( 2710 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2711 enforceFullCrossUsersPermission(userHandle); 2712 2713 DevicePolicyData policy = getUserData(userHandle); 2714 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2715 /* throwForMissionPermission= */ true); 2716 if (info == null) { 2717 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2718 } 2719 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2720 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 2721 + adminReceiver); 2722 } 2723 synchronized (this) { 2724 long ident = mInjector.binderClearCallingIdentity(); 2725 try { 2726 if (!refreshing 2727 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 2728 throw new IllegalArgumentException("Admin is already added"); 2729 } 2730 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2731 policy.mAdminMap.put(adminReceiver, newAdmin); 2732 int replaceIndex = -1; 2733 final int N = policy.mAdminList.size(); 2734 for (int i=0; i < N; i++) { 2735 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2736 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2737 replaceIndex = i; 2738 break; 2739 } 2740 } 2741 if (replaceIndex == -1) { 2742 policy.mAdminList.add(newAdmin); 2743 enableIfNecessary(info.getPackageName(), userHandle); 2744 } else { 2745 policy.mAdminList.set(replaceIndex, newAdmin); 2746 } 2747 saveSettingsLocked(userHandle); 2748 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2749 onEnableData, null); 2750 } finally { 2751 mInjector.binderRestoreCallingIdentity(ident); 2752 } 2753 } 2754 } 2755 2756 @Override 2757 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2758 if (!mHasFeature) { 2759 return false; 2760 } 2761 enforceFullCrossUsersPermission(userHandle); 2762 synchronized (this) { 2763 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2764 } 2765 } 2766 2767 @Override 2768 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2769 if (!mHasFeature) { 2770 return false; 2771 } 2772 enforceFullCrossUsersPermission(userHandle); 2773 synchronized (this) { 2774 DevicePolicyData policyData = getUserData(userHandle); 2775 return policyData.mRemovingAdmins.contains(adminReceiver); 2776 } 2777 } 2778 2779 @Override 2780 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2781 if (!mHasFeature) { 2782 return false; 2783 } 2784 enforceFullCrossUsersPermission(userHandle); 2785 synchronized (this) { 2786 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2787 if (administrator == null) { 2788 throw new SecurityException("No active admin " + adminReceiver); 2789 } 2790 return administrator.info.usesPolicy(policyId); 2791 } 2792 } 2793 2794 @Override 2795 @SuppressWarnings("unchecked") 2796 public List<ComponentName> getActiveAdmins(int userHandle) { 2797 if (!mHasFeature) { 2798 return Collections.EMPTY_LIST; 2799 } 2800 2801 enforceFullCrossUsersPermission(userHandle); 2802 synchronized (this) { 2803 DevicePolicyData policy = getUserData(userHandle); 2804 final int N = policy.mAdminList.size(); 2805 if (N <= 0) { 2806 return null; 2807 } 2808 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2809 for (int i=0; i<N; i++) { 2810 res.add(policy.mAdminList.get(i).info.getComponent()); 2811 } 2812 return res; 2813 } 2814 } 2815 2816 @Override 2817 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2818 if (!mHasFeature) { 2819 return false; 2820 } 2821 enforceFullCrossUsersPermission(userHandle); 2822 synchronized (this) { 2823 DevicePolicyData policy = getUserData(userHandle); 2824 final int N = policy.mAdminList.size(); 2825 for (int i=0; i<N; i++) { 2826 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2827 return true; 2828 } 2829 } 2830 return false; 2831 } 2832 } 2833 2834 @Override 2835 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2836 if (!mHasFeature) { 2837 return; 2838 } 2839 enforceFullCrossUsersPermission(userHandle); 2840 enforceUserUnlocked(userHandle); 2841 synchronized (this) { 2842 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2843 if (admin == null) { 2844 return; 2845 } 2846 // Active device/profile owners must remain active admins. 2847 if (isDeviceOwner(adminReceiver, userHandle) 2848 || isProfileOwner(adminReceiver, userHandle)) { 2849 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 2850 adminReceiver); 2851 return; 2852 } 2853 if (admin.getUid() != mInjector.binderGetCallingUid()) { 2854 mContext.enforceCallingOrSelfPermission( 2855 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2856 } 2857 long ident = mInjector.binderClearCallingIdentity(); 2858 try { 2859 removeActiveAdminLocked(adminReceiver, userHandle); 2860 } finally { 2861 mInjector.binderRestoreCallingIdentity(ident); 2862 } 2863 } 2864 } 2865 2866 @Override 2867 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 2868 ComponentName profileOwner = getProfileOwner(userHandle); 2869 try { 2870 // Profile challenge is supported on N or newer release. 2871 return profileOwner != null && 2872 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 2873 } catch (RemoteException e) { 2874 return false; 2875 } 2876 } 2877 2878 @Override 2879 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 2880 if (!mHasFeature) { 2881 return; 2882 } 2883 Preconditions.checkNotNull(who, "ComponentName is null"); 2884 validateQualityConstant(quality); 2885 2886 synchronized (this) { 2887 ActiveAdmin ap = getActiveAdminForCallerLocked( 2888 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 2889 if (ap.passwordQuality != quality) { 2890 ap.passwordQuality = quality; 2891 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 2892 } 2893 } 2894 } 2895 2896 @Override 2897 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 2898 if (!mHasFeature) { 2899 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2900 } 2901 enforceFullCrossUsersPermission(userHandle); 2902 synchronized (this) { 2903 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2904 2905 if (who != null) { 2906 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 2907 return admin != null ? admin.passwordQuality : mode; 2908 } 2909 2910 // Return the strictest policy across all participating admins. 2911 List<ActiveAdmin> admins = 2912 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 2913 final int N = admins.size(); 2914 for (int i = 0; i < N; i++) { 2915 ActiveAdmin admin = admins.get(i); 2916 if (mode < admin.passwordQuality) { 2917 mode = admin.passwordQuality; 2918 } 2919 } 2920 return mode; 2921 } 2922 } 2923 2924 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 2925 int userHandle, boolean parent) { 2926 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 2927 // If this user has a separate challenge, only return its restrictions. 2928 return getUserDataUnchecked(userHandle).mAdminList; 2929 } else { 2930 // Return all admins for this user and the profiles that are visible from this 2931 // user that do not use a separate work challenge. 2932 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 2933 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2934 DevicePolicyData policy = getUserData(userInfo.id); 2935 if (!isManagedProfile(userInfo.id)) { 2936 admins.addAll(policy.mAdminList); 2937 } else { 2938 // For managed profiles, we always include the policies set on the parent 2939 // profile. Additionally, we include the ones set on the managed profile 2940 // if no separate challenge is in place. 2941 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 2942 final int N = policy.mAdminList.size(); 2943 for (int i = 0; i < N; i++) { 2944 ActiveAdmin admin = policy.mAdminList.get(i); 2945 if (admin.hasParentActiveAdmin()) { 2946 admins.add(admin.getParentActiveAdmin()); 2947 } 2948 if (!hasSeparateChallenge) { 2949 admins.add(admin); 2950 } 2951 } 2952 } 2953 } 2954 return admins; 2955 } 2956 } 2957 2958 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 2959 long ident = mInjector.binderClearCallingIdentity(); 2960 try { 2961 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 2962 } finally { 2963 mInjector.binderRestoreCallingIdentity(ident); 2964 } 2965 } 2966 2967 @Override 2968 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 2969 if (!mHasFeature) { 2970 return; 2971 } 2972 Preconditions.checkNotNull(who, "ComponentName is null"); 2973 synchronized (this) { 2974 ActiveAdmin ap = getActiveAdminForCallerLocked( 2975 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 2976 if (ap.minimumPasswordLength != length) { 2977 ap.minimumPasswordLength = length; 2978 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 2979 } 2980 } 2981 } 2982 2983 @Override 2984 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 2985 if (!mHasFeature) { 2986 return 0; 2987 } 2988 enforceFullCrossUsersPermission(userHandle); 2989 synchronized (this) { 2990 int length = 0; 2991 2992 if (who != null) { 2993 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 2994 return admin != null ? admin.minimumPasswordLength : length; 2995 } 2996 2997 // Return the strictest policy across all participating admins. 2998 List<ActiveAdmin> admins = 2999 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3000 final int N = admins.size(); 3001 for (int i = 0; i < N; i++) { 3002 ActiveAdmin admin = admins.get(i); 3003 if (length < admin.minimumPasswordLength) { 3004 length = admin.minimumPasswordLength; 3005 } 3006 } 3007 return length; 3008 } 3009 } 3010 3011 @Override 3012 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3013 if (!mHasFeature) { 3014 return; 3015 } 3016 Preconditions.checkNotNull(who, "ComponentName is null"); 3017 synchronized (this) { 3018 ActiveAdmin ap = getActiveAdminForCallerLocked( 3019 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3020 if (ap.passwordHistoryLength != length) { 3021 ap.passwordHistoryLength = length; 3022 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3023 } 3024 } 3025 } 3026 3027 @Override 3028 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3029 if (!mHasFeature) { 3030 return 0; 3031 } 3032 enforceFullCrossUsersPermission(userHandle); 3033 synchronized (this) { 3034 int length = 0; 3035 3036 if (who != null) { 3037 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3038 return admin != null ? admin.passwordHistoryLength : length; 3039 } 3040 3041 // Return the strictest policy across all participating admins. 3042 List<ActiveAdmin> admins = 3043 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3044 final int N = admins.size(); 3045 for (int i = 0; i < N; i++) { 3046 ActiveAdmin admin = admins.get(i); 3047 if (length < admin.passwordHistoryLength) { 3048 length = admin.passwordHistoryLength; 3049 } 3050 } 3051 3052 return length; 3053 } 3054 } 3055 3056 @Override 3057 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3058 if (!mHasFeature) { 3059 return; 3060 } 3061 Preconditions.checkNotNull(who, "ComponentName is null"); 3062 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3063 final int userHandle = mInjector.userHandleGetCallingUserId(); 3064 synchronized (this) { 3065 ActiveAdmin ap = getActiveAdminForCallerLocked( 3066 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3067 // Calling this API automatically bumps the expiration date 3068 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3069 ap.passwordExpirationDate = expiration; 3070 ap.passwordExpirationTimeout = timeout; 3071 if (timeout > 0L) { 3072 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3073 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3074 .format(new Date(expiration))); 3075 } 3076 saveSettingsLocked(userHandle); 3077 3078 // in case this is the first one, set the alarm on the appropriate user. 3079 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3080 } 3081 } 3082 3083 /** 3084 * Return a single admin's expiration cycle time, or the min of all cycle times. 3085 * Returns 0 if not configured. 3086 */ 3087 @Override 3088 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3089 if (!mHasFeature) { 3090 return 0L; 3091 } 3092 enforceFullCrossUsersPermission(userHandle); 3093 synchronized (this) { 3094 long timeout = 0L; 3095 3096 if (who != null) { 3097 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3098 return admin != null ? admin.passwordExpirationTimeout : timeout; 3099 } 3100 3101 // Return the strictest policy across all participating admins. 3102 List<ActiveAdmin> admins = 3103 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3104 final int N = admins.size(); 3105 for (int i = 0; i < N; i++) { 3106 ActiveAdmin admin = admins.get(i); 3107 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3108 && timeout > admin.passwordExpirationTimeout)) { 3109 timeout = admin.passwordExpirationTimeout; 3110 } 3111 } 3112 return timeout; 3113 } 3114 } 3115 3116 @Override 3117 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3118 final int userId = UserHandle.getCallingUserId(); 3119 List<String> changedProviders = null; 3120 3121 synchronized (this) { 3122 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3123 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3124 if (activeAdmin.crossProfileWidgetProviders == null) { 3125 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3126 } 3127 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3128 if (!providers.contains(packageName)) { 3129 providers.add(packageName); 3130 changedProviders = new ArrayList<>(providers); 3131 saveSettingsLocked(userId); 3132 } 3133 } 3134 3135 if (changedProviders != null) { 3136 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3137 return true; 3138 } 3139 3140 return false; 3141 } 3142 3143 @Override 3144 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3145 final int userId = UserHandle.getCallingUserId(); 3146 List<String> changedProviders = null; 3147 3148 synchronized (this) { 3149 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3150 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3151 if (activeAdmin.crossProfileWidgetProviders == null) { 3152 return false; 3153 } 3154 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3155 if (providers.remove(packageName)) { 3156 changedProviders = new ArrayList<>(providers); 3157 saveSettingsLocked(userId); 3158 } 3159 } 3160 3161 if (changedProviders != null) { 3162 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3163 return true; 3164 } 3165 3166 return false; 3167 } 3168 3169 @Override 3170 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3171 synchronized (this) { 3172 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3173 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3174 if (activeAdmin.crossProfileWidgetProviders == null 3175 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3176 return null; 3177 } 3178 if (mInjector.binderIsCallingUidMyUid()) { 3179 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3180 } else { 3181 return activeAdmin.crossProfileWidgetProviders; 3182 } 3183 } 3184 } 3185 3186 /** 3187 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3188 * Returns 0 if not configured. 3189 */ 3190 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3191 long timeout = 0L; 3192 3193 if (who != null) { 3194 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3195 return admin != null ? admin.passwordExpirationDate : timeout; 3196 } 3197 3198 // Return the strictest policy across all participating admins. 3199 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3200 final int N = admins.size(); 3201 for (int i = 0; i < N; i++) { 3202 ActiveAdmin admin = admins.get(i); 3203 if (timeout == 0L || (admin.passwordExpirationDate != 0 3204 && timeout > admin.passwordExpirationDate)) { 3205 timeout = admin.passwordExpirationDate; 3206 } 3207 } 3208 return timeout; 3209 } 3210 3211 @Override 3212 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3213 if (!mHasFeature) { 3214 return 0L; 3215 } 3216 enforceFullCrossUsersPermission(userHandle); 3217 synchronized (this) { 3218 return getPasswordExpirationLocked(who, userHandle, parent); 3219 } 3220 } 3221 3222 @Override 3223 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3224 if (!mHasFeature) { 3225 return; 3226 } 3227 Preconditions.checkNotNull(who, "ComponentName is null"); 3228 synchronized (this) { 3229 ActiveAdmin ap = getActiveAdminForCallerLocked( 3230 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3231 if (ap.minimumPasswordUpperCase != length) { 3232 ap.minimumPasswordUpperCase = length; 3233 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3234 } 3235 } 3236 } 3237 3238 @Override 3239 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3240 if (!mHasFeature) { 3241 return 0; 3242 } 3243 enforceFullCrossUsersPermission(userHandle); 3244 synchronized (this) { 3245 int length = 0; 3246 3247 if (who != null) { 3248 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3249 return admin != null ? admin.minimumPasswordUpperCase : length; 3250 } 3251 3252 // Return the strictest policy across all participating admins. 3253 List<ActiveAdmin> admins = 3254 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3255 final int N = admins.size(); 3256 for (int i = 0; i < N; i++) { 3257 ActiveAdmin admin = admins.get(i); 3258 if (length < admin.minimumPasswordUpperCase) { 3259 length = admin.minimumPasswordUpperCase; 3260 } 3261 } 3262 return length; 3263 } 3264 } 3265 3266 @Override 3267 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3268 Preconditions.checkNotNull(who, "ComponentName is null"); 3269 synchronized (this) { 3270 ActiveAdmin ap = getActiveAdminForCallerLocked( 3271 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3272 if (ap.minimumPasswordLowerCase != length) { 3273 ap.minimumPasswordLowerCase = length; 3274 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3275 } 3276 } 3277 } 3278 3279 @Override 3280 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3281 if (!mHasFeature) { 3282 return 0; 3283 } 3284 enforceFullCrossUsersPermission(userHandle); 3285 synchronized (this) { 3286 int length = 0; 3287 3288 if (who != null) { 3289 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3290 return admin != null ? admin.minimumPasswordLowerCase : length; 3291 } 3292 3293 // Return the strictest policy across all participating admins. 3294 List<ActiveAdmin> admins = 3295 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3296 final int N = admins.size(); 3297 for (int i = 0; i < N; i++) { 3298 ActiveAdmin admin = admins.get(i); 3299 if (length < admin.minimumPasswordLowerCase) { 3300 length = admin.minimumPasswordLowerCase; 3301 } 3302 } 3303 return length; 3304 } 3305 } 3306 3307 @Override 3308 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3309 if (!mHasFeature) { 3310 return; 3311 } 3312 Preconditions.checkNotNull(who, "ComponentName is null"); 3313 synchronized (this) { 3314 ActiveAdmin ap = getActiveAdminForCallerLocked( 3315 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3316 if (ap.minimumPasswordLetters != length) { 3317 ap.minimumPasswordLetters = length; 3318 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3319 } 3320 } 3321 } 3322 3323 @Override 3324 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3325 if (!mHasFeature) { 3326 return 0; 3327 } 3328 enforceFullCrossUsersPermission(userHandle); 3329 synchronized (this) { 3330 int length = 0; 3331 3332 if (who != null) { 3333 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3334 return admin != null ? admin.minimumPasswordLetters : length; 3335 } 3336 3337 // Return the strictest policy across all participating admins. 3338 List<ActiveAdmin> admins = 3339 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3340 final int N = admins.size(); 3341 for (int i = 0; i < N; i++) { 3342 ActiveAdmin admin = admins.get(i); 3343 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3344 continue; 3345 } 3346 if (length < admin.minimumPasswordLetters) { 3347 length = admin.minimumPasswordLetters; 3348 } 3349 } 3350 return length; 3351 } 3352 } 3353 3354 @Override 3355 public void setPasswordMinimumNumeric(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.minimumPasswordNumeric != length) { 3364 ap.minimumPasswordNumeric = length; 3365 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3366 } 3367 } 3368 } 3369 3370 @Override 3371 public int getPasswordMinimumNumeric(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.minimumPasswordNumeric : 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 (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3391 continue; 3392 } 3393 if (length < admin.minimumPasswordNumeric) { 3394 length = admin.minimumPasswordNumeric; 3395 } 3396 } 3397 return length; 3398 } 3399 } 3400 3401 @Override 3402 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3403 if (!mHasFeature) { 3404 return; 3405 } 3406 Preconditions.checkNotNull(who, "ComponentName is null"); 3407 synchronized (this) { 3408 ActiveAdmin ap = getActiveAdminForCallerLocked( 3409 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3410 if (ap.minimumPasswordSymbols != length) { 3411 ap.minimumPasswordSymbols = length; 3412 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3413 } 3414 } 3415 } 3416 3417 @Override 3418 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3419 if (!mHasFeature) { 3420 return 0; 3421 } 3422 enforceFullCrossUsersPermission(userHandle); 3423 synchronized (this) { 3424 int length = 0; 3425 3426 if (who != null) { 3427 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3428 return admin != null ? admin.minimumPasswordSymbols : length; 3429 } 3430 3431 // Return the strictest policy across all participating admins. 3432 List<ActiveAdmin> admins = 3433 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3434 final int N = admins.size(); 3435 for (int i = 0; i < N; i++) { 3436 ActiveAdmin admin = admins.get(i); 3437 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3438 continue; 3439 } 3440 if (length < admin.minimumPasswordSymbols) { 3441 length = admin.minimumPasswordSymbols; 3442 } 3443 } 3444 return length; 3445 } 3446 } 3447 3448 @Override 3449 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3450 if (!mHasFeature) { 3451 return; 3452 } 3453 Preconditions.checkNotNull(who, "ComponentName is null"); 3454 synchronized (this) { 3455 ActiveAdmin ap = getActiveAdminForCallerLocked( 3456 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3457 if (ap.minimumPasswordNonLetter != length) { 3458 ap.minimumPasswordNonLetter = length; 3459 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3460 } 3461 } 3462 } 3463 3464 @Override 3465 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3466 if (!mHasFeature) { 3467 return 0; 3468 } 3469 enforceFullCrossUsersPermission(userHandle); 3470 synchronized (this) { 3471 int length = 0; 3472 3473 if (who != null) { 3474 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3475 return admin != null ? admin.minimumPasswordNonLetter : length; 3476 } 3477 3478 // Return the strictest policy across all participating admins. 3479 List<ActiveAdmin> admins = 3480 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3481 final int N = admins.size(); 3482 for (int i = 0; i < N; i++) { 3483 ActiveAdmin admin = admins.get(i); 3484 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3485 continue; 3486 } 3487 if (length < admin.minimumPasswordNonLetter) { 3488 length = admin.minimumPasswordNonLetter; 3489 } 3490 } 3491 return length; 3492 } 3493 } 3494 3495 @Override 3496 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3497 if (!mHasFeature) { 3498 return true; 3499 } 3500 enforceFullCrossUsersPermission(userHandle); 3501 3502 synchronized (this) { 3503 // This API can only be called by an active device admin, 3504 // so try to retrieve it to check that the caller is one. 3505 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3506 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3507 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3508 } 3509 } 3510 3511 @Override 3512 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3513 if (!mHasFeature) { 3514 return true; 3515 } 3516 enforceFullCrossUsersPermission(userHandle); 3517 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3518 3519 synchronized (this) { 3520 int targetUser = getProfileParentId(userHandle); 3521 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3522 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3523 } 3524 } 3525 3526 private boolean isActivePasswordSufficientForUserLocked( 3527 DevicePolicyData policy, int userHandle, boolean parent) { 3528 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle, parent) 3529 || policy.mActivePasswordLength < getPasswordMinimumLength( 3530 null, userHandle, parent)) { 3531 return false; 3532 } 3533 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3534 return true; 3535 } 3536 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase( 3537 null, userHandle, parent) 3538 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase( 3539 null, userHandle, parent) 3540 && policy.mActivePasswordLetters >= getPasswordMinimumLetters( 3541 null, userHandle, parent) 3542 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric( 3543 null, userHandle, parent) 3544 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols( 3545 null, userHandle, parent) 3546 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter( 3547 null, userHandle, parent); 3548 } 3549 3550 @Override 3551 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3552 enforceFullCrossUsersPermission(userHandle); 3553 synchronized (this) { 3554 if (!isCallerWithSystemUid()) { 3555 // This API can only be called by an active device admin, 3556 // so try to retrieve it to check that the caller is one. 3557 getActiveAdminForCallerLocked( 3558 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3559 } 3560 3561 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3562 3563 return policy.mFailedPasswordAttempts; 3564 } 3565 } 3566 3567 @Override 3568 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3569 if (!mHasFeature) { 3570 return; 3571 } 3572 Preconditions.checkNotNull(who, "ComponentName is null"); 3573 synchronized (this) { 3574 // This API can only be called by an active device admin, 3575 // so try to retrieve it to check that the caller is one. 3576 getActiveAdminForCallerLocked( 3577 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3578 ActiveAdmin ap = getActiveAdminForCallerLocked( 3579 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3580 if (ap.maximumFailedPasswordsForWipe != num) { 3581 ap.maximumFailedPasswordsForWipe = num; 3582 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3583 } 3584 } 3585 } 3586 3587 @Override 3588 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3589 if (!mHasFeature) { 3590 return 0; 3591 } 3592 enforceFullCrossUsersPermission(userHandle); 3593 synchronized (this) { 3594 ActiveAdmin admin = (who != null) 3595 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3596 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3597 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3598 } 3599 } 3600 3601 @Override 3602 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3603 if (!mHasFeature) { 3604 return UserHandle.USER_NULL; 3605 } 3606 enforceFullCrossUsersPermission(userHandle); 3607 synchronized (this) { 3608 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3609 userHandle, parent); 3610 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3611 } 3612 } 3613 3614 /** 3615 * Returns the admin with the strictest policy on maximum failed passwords for: 3616 * <ul> 3617 * <li>this user if it has a separate profile challenge, or 3618 * <li>this user and all profiles that don't have their own challenge otherwise. 3619 * </ul> 3620 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3621 * the primary profile. 3622 * Returns {@code null} if no participating admin has that policy set. 3623 */ 3624 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3625 int userHandle, boolean parent) { 3626 int count = 0; 3627 ActiveAdmin strictestAdmin = null; 3628 3629 // Return the strictest policy across all participating admins. 3630 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3631 final int N = admins.size(); 3632 for (int i = 0; i < N; i++) { 3633 ActiveAdmin admin = admins.get(i); 3634 if (admin.maximumFailedPasswordsForWipe == 3635 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3636 continue; // No max number of failed passwords policy set for this profile. 3637 } 3638 3639 // We always favor the primary profile if several profiles have the same value set. 3640 int userId = admin.getUserHandle().getIdentifier(); 3641 if (count == 0 || 3642 count > admin.maximumFailedPasswordsForWipe || 3643 (count == admin.maximumFailedPasswordsForWipe && 3644 getUserInfo(userId).isPrimary())) { 3645 count = admin.maximumFailedPasswordsForWipe; 3646 strictestAdmin = admin; 3647 } 3648 } 3649 return strictestAdmin; 3650 } 3651 3652 private UserInfo getUserInfo(@UserIdInt int userId) { 3653 final long token = mInjector.binderClearCallingIdentity(); 3654 try { 3655 return mUserManager.getUserInfo(userId); 3656 } finally { 3657 mInjector.binderRestoreCallingIdentity(token); 3658 } 3659 } 3660 3661 @Override 3662 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3663 if (!mHasFeature) { 3664 return false; 3665 } 3666 final int callingUid = mInjector.binderGetCallingUid(); 3667 final int userHandle = mInjector.userHandleGetCallingUserId(); 3668 3669 if (getCredentialOwner(userHandle, /* parent */ false) != userHandle) { 3670 throw new SecurityException("You can not change password for this profile because" 3671 + " it shares the password with the owner profile"); 3672 } 3673 3674 String password = passwordOrNull != null ? passwordOrNull : ""; 3675 3676 int quality; 3677 synchronized (this) { 3678 // If caller has PO (or DO), it can clear the password, so see if that's the case 3679 // first. 3680 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 3681 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 3682 if (admin == null) { 3683 // Otherwise, make sure the caller has any active admin with the right policy. 3684 admin = getActiveAdminForCallerLocked(null, 3685 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 3686 } 3687 3688 final ComponentName adminComponent = admin.info.getComponent(); 3689 3690 // As of N, only profile owners and device owners can reset the password. 3691 if (!(isProfileOwner(adminComponent, userHandle) 3692 || isDeviceOwner(adminComponent, userHandle))) { 3693 final boolean preN = getTargetSdk(admin.info.getPackageName(), userHandle) 3694 <= android.os.Build.VERSION_CODES.M; 3695 // As of N, password resetting to empty/null is not allowed anymore. 3696 // TODO Should we allow DO/PO to set an empty password? 3697 if (TextUtils.isEmpty(password)) { 3698 if (!preN) { 3699 throw new SecurityException("Cannot call with null password"); 3700 } else { 3701 Slog.e(LOG_TAG, "Cannot call with null password"); 3702 return false; 3703 } 3704 } 3705 // As of N, password cannot be changed by the admin if it is already set. 3706 if (isLockScreenSecureUnchecked(userHandle)) { 3707 if (!preN) { 3708 throw new SecurityException("Admin cannot change current password"); 3709 } else { 3710 Slog.e(LOG_TAG, "Admin cannot change current password"); 3711 return false; 3712 } 3713 } 3714 } 3715 quality = getPasswordQuality(null, userHandle, /* parent */ false); 3716 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 3717 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3718 } 3719 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 3720 int realQuality = LockPatternUtils.computePasswordQuality(password); 3721 if (realQuality < quality 3722 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3723 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 3724 + Integer.toHexString(realQuality) 3725 + " does not meet required quality 0x" 3726 + Integer.toHexString(quality)); 3727 return false; 3728 } 3729 quality = Math.max(realQuality, quality); 3730 } 3731 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 3732 if (password.length() < length) { 3733 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 3734 + " does not meet required length " + length); 3735 return false; 3736 } 3737 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3738 int letters = 0; 3739 int uppercase = 0; 3740 int lowercase = 0; 3741 int numbers = 0; 3742 int symbols = 0; 3743 int nonletter = 0; 3744 for (int i = 0; i < password.length(); i++) { 3745 char c = password.charAt(i); 3746 if (c >= 'A' && c <= 'Z') { 3747 letters++; 3748 uppercase++; 3749 } else if (c >= 'a' && c <= 'z') { 3750 letters++; 3751 lowercase++; 3752 } else if (c >= '0' && c <= '9') { 3753 numbers++; 3754 nonletter++; 3755 } else { 3756 symbols++; 3757 nonletter++; 3758 } 3759 } 3760 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 3761 if(letters < neededLetters) { 3762 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 3763 + " does not meet required number of letters " + neededLetters); 3764 return false; 3765 } 3766 int neededNumbers = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 3767 if (numbers < neededNumbers) { 3768 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 3769 + " does not meet required number of numerical digits " 3770 + neededNumbers); 3771 return false; 3772 } 3773 int neededLowerCase = getPasswordMinimumLowerCase( 3774 null, userHandle, /* parent */ false); 3775 if (lowercase < neededLowerCase) { 3776 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 3777 + " does not meet required number of lowercase letters " 3778 + neededLowerCase); 3779 return false; 3780 } 3781 int neededUpperCase = getPasswordMinimumUpperCase( 3782 null, userHandle, /* parent */ false); 3783 if (uppercase < neededUpperCase) { 3784 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 3785 + " does not meet required number of uppercase letters " 3786 + neededUpperCase); 3787 return false; 3788 } 3789 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 3790 if (symbols < neededSymbols) { 3791 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 3792 + " does not meet required number of special symbols " + neededSymbols); 3793 return false; 3794 } 3795 int neededNonLetter = getPasswordMinimumNonLetter( 3796 null, userHandle, /* parent */ false); 3797 if (nonletter < neededNonLetter) { 3798 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 3799 + " does not meet required number of non-letter characters " 3800 + neededNonLetter); 3801 return false; 3802 } 3803 } 3804 } 3805 3806 DevicePolicyData policy = getUserData(userHandle); 3807 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 3808 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 3809 return false; 3810 } 3811 3812 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 3813 boolean doNotAskCredentialsOnBoot = 3814 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 3815 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 3816 setDoNotAskCredentialsOnBoot(); 3817 } 3818 3819 // Don't do this with the lock held, because it is going to call 3820 // back in to the service. 3821 final long ident = mInjector.binderClearCallingIdentity(); 3822 try { 3823 if (!TextUtils.isEmpty(password)) { 3824 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 3825 } else { 3826 mLockPatternUtils.clearLock(userHandle); 3827 } 3828 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 3829 if (requireEntry) { 3830 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 3831 UserHandle.USER_ALL); 3832 } 3833 synchronized (this) { 3834 int newOwner = requireEntry ? callingUid : -1; 3835 if (policy.mPasswordOwner != newOwner) { 3836 policy.mPasswordOwner = newOwner; 3837 saveSettingsLocked(userHandle); 3838 } 3839 } 3840 } finally { 3841 mInjector.binderRestoreCallingIdentity(ident); 3842 } 3843 3844 return true; 3845 } 3846 3847 private boolean isLockScreenSecureUnchecked(int userId) { 3848 long ident = mInjector.binderClearCallingIdentity(); 3849 try { 3850 return mLockPatternUtils.isSecure(userId); 3851 } finally { 3852 mInjector.binderRestoreCallingIdentity(ident); 3853 } 3854 } 3855 3856 private void setDoNotAskCredentialsOnBoot() { 3857 synchronized (this) { 3858 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 3859 if (!policyData.doNotAskCredentialsOnBoot) { 3860 policyData.doNotAskCredentialsOnBoot = true; 3861 saveSettingsLocked(UserHandle.USER_SYSTEM); 3862 } 3863 } 3864 } 3865 3866 @Override 3867 public boolean getDoNotAskCredentialsOnBoot() { 3868 mContext.enforceCallingOrSelfPermission( 3869 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 3870 synchronized (this) { 3871 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 3872 return policyData.doNotAskCredentialsOnBoot; 3873 } 3874 } 3875 3876 @Override 3877 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 3878 if (!mHasFeature) { 3879 return; 3880 } 3881 Preconditions.checkNotNull(who, "ComponentName is null"); 3882 final int userHandle = mInjector.userHandleGetCallingUserId(); 3883 synchronized (this) { 3884 ActiveAdmin ap = getActiveAdminForCallerLocked( 3885 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 3886 if (ap.maximumTimeToUnlock != timeMs) { 3887 ap.maximumTimeToUnlock = timeMs; 3888 saveSettingsLocked(userHandle); 3889 updateMaximumTimeToLockLocked(userHandle); 3890 } 3891 } 3892 } 3893 3894 void updateMaximumTimeToLockLocked(int userHandle) { 3895 // Calculate the min timeout for all profiles - including the ones with a separate 3896 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 3897 // challenge only and keep the screen on. However there is no easy way of doing that at the 3898 // moment so we set the screen off timeout regardless of whether it affects the parent user 3899 // or the profile challenge only. 3900 long timeMs = Long.MAX_VALUE; 3901 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3902 for (UserInfo userInfo : profiles) { 3903 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3904 final int N = policy.mAdminList.size(); 3905 for (int i = 0; i < N; i++) { 3906 ActiveAdmin admin = policy.mAdminList.get(i); 3907 if (admin.maximumTimeToUnlock > 0 3908 && timeMs > admin.maximumTimeToUnlock) { 3909 timeMs = admin.maximumTimeToUnlock; 3910 } 3911 } 3912 } 3913 3914 // We only store the last maximum time to lock on the parent profile. So if calling from a 3915 // managed profile, retrieve the policy for the parent. 3916 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 3917 if (policy.mLastMaximumTimeToLock == timeMs) { 3918 return; 3919 } 3920 policy.mLastMaximumTimeToLock = timeMs; 3921 3922 final long ident = mInjector.binderClearCallingIdentity(); 3923 try { 3924 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 3925 // Make sure KEEP_SCREEN_ON is disabled, since that 3926 // would allow bypassing of the maximum time to lock. 3927 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 3928 } 3929 3930 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 3931 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 3932 } finally { 3933 mInjector.binderRestoreCallingIdentity(ident); 3934 } 3935 } 3936 3937 @Override 3938 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 3939 if (!mHasFeature) { 3940 return 0; 3941 } 3942 enforceFullCrossUsersPermission(userHandle); 3943 synchronized (this) { 3944 long time = 0; 3945 3946 if (who != null) { 3947 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3948 return admin != null ? admin.maximumTimeToUnlock : time; 3949 } 3950 3951 // Return the strictest policy across all participating admins. 3952 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 3953 userHandle, parent); 3954 final int N = admins.size(); 3955 for (int i = 0; i < N; i++) { 3956 ActiveAdmin admin = admins.get(i); 3957 if (time == 0) { 3958 time = admin.maximumTimeToUnlock; 3959 } else if (admin.maximumTimeToUnlock != 0 3960 && time > admin.maximumTimeToUnlock) { 3961 time = admin.maximumTimeToUnlock; 3962 } 3963 } 3964 return time; 3965 } 3966 } 3967 3968 @Override 3969 public void lockNow(boolean parent) { 3970 if (!mHasFeature) { 3971 return; 3972 } 3973 synchronized (this) { 3974 // This API can only be called by an active device admin, 3975 // so try to retrieve it to check that the caller is one. 3976 getActiveAdminForCallerLocked( 3977 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 3978 3979 int userToLock = mInjector.userHandleGetCallingUserId(); 3980 3981 // Unless this is a managed profile with work challenge enabled, lock all users. 3982 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 3983 userToLock = UserHandle.USER_ALL; 3984 } 3985 final long ident = mInjector.binderClearCallingIdentity(); 3986 try { 3987 mLockPatternUtils.requireStrongAuth( 3988 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 3989 if (userToLock == UserHandle.USER_ALL) { 3990 // Power off the display 3991 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 3992 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 3993 mInjector.getIWindowManager().lockNow(null); 3994 } 3995 } catch (RemoteException e) { 3996 } finally { 3997 mInjector.binderRestoreCallingIdentity(ident); 3998 } 3999 } 4000 } 4001 4002 @Override 4003 public void enforceCanManageCaCerts(ComponentName who) { 4004 if (who == null) { 4005 if (!isCallerDelegatedCertInstaller()) { 4006 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4007 } 4008 } else { 4009 synchronized (this) { 4010 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4011 } 4012 } 4013 } 4014 4015 private void enforceCanManageInstalledKeys(ComponentName who) { 4016 if (who == null) { 4017 if (!isCallerDelegatedCertInstaller()) { 4018 throw new SecurityException("who == null, but caller is not cert installer"); 4019 } 4020 } else { 4021 synchronized (this) { 4022 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4023 } 4024 } 4025 } 4026 4027 private boolean isCallerDelegatedCertInstaller() { 4028 final int callingUid = mInjector.binderGetCallingUid(); 4029 final int userHandle = UserHandle.getUserId(callingUid); 4030 synchronized (this) { 4031 final DevicePolicyData policy = getUserData(userHandle); 4032 if (policy.mDelegatedCertInstallerPackage == null) { 4033 return false; 4034 } 4035 4036 try { 4037 int uid = mContext.getPackageManager().getPackageUidAsUser( 4038 policy.mDelegatedCertInstallerPackage, userHandle); 4039 return uid == callingUid; 4040 } catch (NameNotFoundException e) { 4041 return false; 4042 } 4043 } 4044 } 4045 4046 @Override 4047 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4048 enforceCanManageCaCerts(admin); 4049 4050 byte[] pemCert; 4051 try { 4052 X509Certificate cert = parseCert(certBuffer); 4053 pemCert = Credentials.convertToPem(cert); 4054 } catch (CertificateException ce) { 4055 Log.e(LOG_TAG, "Problem converting cert", ce); 4056 return false; 4057 } catch (IOException ioe) { 4058 Log.e(LOG_TAG, "Problem reading cert", ioe); 4059 return false; 4060 } 4061 4062 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4063 final long id = mInjector.binderClearCallingIdentity(); 4064 try { 4065 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4066 try { 4067 keyChainConnection.getService().installCaCertificate(pemCert); 4068 return true; 4069 } catch (RemoteException e) { 4070 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4071 } finally { 4072 keyChainConnection.close(); 4073 } 4074 } catch (InterruptedException e1) { 4075 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4076 Thread.currentThread().interrupt(); 4077 } finally { 4078 mInjector.binderRestoreCallingIdentity(id); 4079 } 4080 return false; 4081 } 4082 4083 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4084 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4085 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4086 certBuffer)); 4087 } 4088 4089 @Override 4090 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4091 enforceCanManageCaCerts(admin); 4092 4093 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4094 final long id = mInjector.binderClearCallingIdentity(); 4095 try { 4096 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4097 try { 4098 for (int i = 0 ; i < aliases.length; i++) { 4099 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4100 } 4101 } catch (RemoteException e) { 4102 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4103 } finally { 4104 keyChainConnection.close(); 4105 } 4106 } catch (InterruptedException ie) { 4107 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4108 Thread.currentThread().interrupt(); 4109 } finally { 4110 mInjector.binderRestoreCallingIdentity(id); 4111 } 4112 } 4113 4114 @Override 4115 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias, 4116 boolean requestAccess) { 4117 enforceCanManageInstalledKeys(who); 4118 4119 final int callingUid = mInjector.binderGetCallingUid(); 4120 final long id = mInjector.binderClearCallingIdentity(); 4121 try { 4122 final KeyChainConnection keyChainConnection = 4123 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4124 try { 4125 IKeyChainService keyChain = keyChainConnection.getService(); 4126 if (!keyChain.installKeyPair(privKey, cert, alias)) { 4127 return false; 4128 } 4129 if (requestAccess) { 4130 keyChain.setGrant(callingUid, alias, true); 4131 } 4132 return true; 4133 } catch (RemoteException e) { 4134 Log.e(LOG_TAG, "Installing certificate", e); 4135 } finally { 4136 keyChainConnection.close(); 4137 } 4138 } catch (InterruptedException e) { 4139 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4140 Thread.currentThread().interrupt(); 4141 } finally { 4142 mInjector.binderRestoreCallingIdentity(id); 4143 } 4144 return false; 4145 } 4146 4147 @Override 4148 public boolean removeKeyPair(ComponentName who, String alias) { 4149 enforceCanManageInstalledKeys(who); 4150 4151 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4152 final long id = Binder.clearCallingIdentity(); 4153 try { 4154 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4155 try { 4156 IKeyChainService keyChain = keyChainConnection.getService(); 4157 return keyChain.removeKeyPair(alias); 4158 } catch (RemoteException e) { 4159 Log.e(LOG_TAG, "Removing keypair", e); 4160 } finally { 4161 keyChainConnection.close(); 4162 } 4163 } catch (InterruptedException e) { 4164 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4165 Thread.currentThread().interrupt(); 4166 } finally { 4167 Binder.restoreCallingIdentity(id); 4168 } 4169 return false; 4170 } 4171 4172 @Override 4173 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4174 final IBinder response) { 4175 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4176 if (!isCallerWithSystemUid()) { 4177 return; 4178 } 4179 4180 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4181 // If there is a profile owner, redirect to that; otherwise query the device owner. 4182 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4183 if (aliasChooser == null && caller.isSystem()) { 4184 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4185 if (deviceOwnerAdmin != null) { 4186 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4187 } 4188 } 4189 if (aliasChooser == null) { 4190 sendPrivateKeyAliasResponse(null, response); 4191 return; 4192 } 4193 4194 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4195 intent.setComponent(aliasChooser); 4196 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4197 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4198 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4199 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4200 4201 final long id = mInjector.binderClearCallingIdentity(); 4202 try { 4203 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4204 @Override 4205 public void onReceive(Context context, Intent intent) { 4206 final String chosenAlias = getResultData(); 4207 sendPrivateKeyAliasResponse(chosenAlias, response); 4208 } 4209 }, null, Activity.RESULT_OK, null, null); 4210 } finally { 4211 mInjector.binderRestoreCallingIdentity(id); 4212 } 4213 } 4214 4215 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4216 final IKeyChainAliasCallback keyChainAliasResponse = 4217 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4218 new AsyncTask<Void, Void, Void>() { 4219 @Override 4220 protected Void doInBackground(Void... unused) { 4221 try { 4222 keyChainAliasResponse.alias(alias); 4223 } catch (Exception e) { 4224 // Catch everything (not just RemoteException): caller could throw a 4225 // RuntimeException back across processes. 4226 Log.e(LOG_TAG, "error while responding to callback", e); 4227 } 4228 return null; 4229 } 4230 }.execute(); 4231 } 4232 4233 @Override 4234 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4235 throws SecurityException { 4236 int userHandle = UserHandle.getCallingUserId(); 4237 synchronized (this) { 4238 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4239 try { 4240 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4241 if (installerPackage != null && 4242 !isPackageInstalledForUser(installerPackage, userHandle)) { 4243 throw new IllegalArgumentException("Package " + installerPackage 4244 + " is not installed on the current user"); 4245 } 4246 } 4247 } catch (RemoteException e) { 4248 } 4249 DevicePolicyData policy = getUserData(userHandle); 4250 policy.mDelegatedCertInstallerPackage = installerPackage; 4251 saveSettingsLocked(userHandle); 4252 } 4253 } 4254 4255 @Override 4256 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4257 int userHandle = UserHandle.getCallingUserId(); 4258 synchronized (this) { 4259 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4260 DevicePolicyData policy = getUserData(userHandle); 4261 return policy.mDelegatedCertInstallerPackage; 4262 } 4263 } 4264 4265 @Override 4266 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage) 4267 throws SecurityException { 4268 synchronized (this) { 4269 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4270 } 4271 4272 final int userId = mInjector.userHandleGetCallingUserId(); 4273 final long token = mInjector.binderClearCallingIdentity(); 4274 try{ 4275 ConnectivityManager connectivityManager = (ConnectivityManager) 4276 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4277 return connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage); 4278 } finally { 4279 mInjector.binderRestoreCallingIdentity(token); 4280 } 4281 } 4282 4283 @Override 4284 public String getAlwaysOnVpnPackage(ComponentName admin) 4285 throws SecurityException { 4286 synchronized (this) { 4287 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4288 } 4289 4290 final int userId = mInjector.userHandleGetCallingUserId(); 4291 final long token = mInjector.binderClearCallingIdentity(); 4292 try{ 4293 ConnectivityManager connectivityManager = (ConnectivityManager) 4294 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4295 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4296 } finally { 4297 mInjector.binderRestoreCallingIdentity(token); 4298 } 4299 } 4300 4301 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 4302 if (wipeExtRequested) { 4303 StorageManager sm = (StorageManager) mContext.getSystemService( 4304 Context.STORAGE_SERVICE); 4305 sm.wipeAdoptableDisks(); 4306 } 4307 try { 4308 RecoverySystem.rebootWipeUserData(mContext, reason); 4309 } catch (IOException | SecurityException e) { 4310 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4311 } 4312 } 4313 4314 @Override 4315 public void wipeData(int flags) { 4316 if (!mHasFeature) { 4317 return; 4318 } 4319 final int userHandle = mInjector.userHandleGetCallingUserId(); 4320 enforceFullCrossUsersPermission(userHandle); 4321 synchronized (this) { 4322 // This API can only be called by an active device admin, 4323 // so try to retrieve it to check that the caller is one. 4324 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4325 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4326 4327 final String source = admin.info.getComponent().flattenToShortString(); 4328 4329 long ident = mInjector.binderClearCallingIdentity(); 4330 try { 4331 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4332 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4333 throw new SecurityException( 4334 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4335 } 4336 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4337 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4338 if (manager != null) { 4339 manager.wipe(); 4340 } 4341 } 4342 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4343 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4344 "DevicePolicyManager.wipeData() from " + source); 4345 } finally { 4346 mInjector.binderRestoreCallingIdentity(ident); 4347 } 4348 } 4349 } 4350 4351 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 4352 if (userHandle == UserHandle.USER_SYSTEM) { 4353 wipeDataLocked(wipeExtRequested, reason); 4354 } else { 4355 mHandler.post(new Runnable() { 4356 @Override 4357 public void run() { 4358 try { 4359 IActivityManager am = mInjector.getIActivityManager(); 4360 if (am.getCurrentUser().id == userHandle) { 4361 am.switchUser(UserHandle.USER_SYSTEM); 4362 } 4363 4364 boolean isManagedProfile = isManagedProfile(userHandle); 4365 if (!mUserManager.removeUser(userHandle)) { 4366 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4367 } else if (isManagedProfile) { 4368 sendWipeProfileNotification(); 4369 } 4370 } catch (RemoteException re) { 4371 // Shouldn't happen 4372 } 4373 } 4374 }); 4375 } 4376 } 4377 4378 private void sendWipeProfileNotification() { 4379 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4380 Notification notification = new Notification.Builder(mContext) 4381 .setSmallIcon(android.R.drawable.stat_sys_warning) 4382 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4383 .setContentText(contentText) 4384 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4385 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4386 .build(); 4387 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4388 } 4389 4390 private void clearWipeProfileNotification() { 4391 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4392 } 4393 4394 @Override 4395 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4396 if (!mHasFeature) { 4397 return; 4398 } 4399 enforceFullCrossUsersPermission(userHandle); 4400 mContext.enforceCallingOrSelfPermission( 4401 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4402 4403 synchronized (this) { 4404 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4405 if (admin == null) { 4406 result.sendResult(null); 4407 return; 4408 } 4409 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4410 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4411 intent.setComponent(admin.info.getComponent()); 4412 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4413 null, new BroadcastReceiver() { 4414 @Override 4415 public void onReceive(Context context, Intent intent) { 4416 result.sendResult(getResultExtras(false)); 4417 } 4418 }, null, Activity.RESULT_OK, null, null); 4419 } 4420 } 4421 4422 @Override 4423 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4424 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4425 if (!mHasFeature) { 4426 return; 4427 } 4428 enforceFullCrossUsersPermission(userHandle); 4429 4430 // Managed Profile password can only be changed when it has a separate challenge. 4431 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4432 enforceNotManagedProfile(userHandle, "set the active password"); 4433 } 4434 4435 mContext.enforceCallingOrSelfPermission( 4436 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4437 validateQualityConstant(quality); 4438 4439 DevicePolicyData policy = getUserData(userHandle); 4440 4441 long ident = mInjector.binderClearCallingIdentity(); 4442 try { 4443 synchronized (this) { 4444 policy.mActivePasswordQuality = quality; 4445 policy.mActivePasswordLength = length; 4446 policy.mActivePasswordLetters = letters; 4447 policy.mActivePasswordLowerCase = lowercase; 4448 policy.mActivePasswordUpperCase = uppercase; 4449 policy.mActivePasswordNumeric = numbers; 4450 policy.mActivePasswordSymbols = symbols; 4451 policy.mActivePasswordNonLetter = nonletter; 4452 policy.mFailedPasswordAttempts = 0; 4453 saveSettingsLocked(userHandle); 4454 updatePasswordExpirationsLocked(userHandle); 4455 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 4456 4457 // Send a broadcast to each profile using this password as its primary unlock. 4458 sendAdminCommandForLockscreenPoliciesLocked( 4459 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4460 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4461 } 4462 } finally { 4463 mInjector.binderRestoreCallingIdentity(ident); 4464 } 4465 } 4466 4467 /** 4468 * Called any time the device password is updated. Resets all password expiration clocks. 4469 */ 4470 private void updatePasswordExpirationsLocked(int userHandle) { 4471 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4472 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4473 userHandle, /* parent */ false); 4474 final int N = admins.size(); 4475 for (int i = 0; i < N; i++) { 4476 ActiveAdmin admin = admins.get(i); 4477 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4478 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4479 long timeout = admin.passwordExpirationTimeout; 4480 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4481 admin.passwordExpirationDate = expiration; 4482 } 4483 } 4484 for (int affectedUserId : affectedUserIds) { 4485 saveSettingsLocked(affectedUserId); 4486 } 4487 } 4488 4489 @Override 4490 public void reportFailedPasswordAttempt(int userHandle) { 4491 enforceFullCrossUsersPermission(userHandle); 4492 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4493 enforceNotManagedProfile(userHandle, 4494 "report failed password attempt if separate profile challenge is not in place"); 4495 } 4496 mContext.enforceCallingOrSelfPermission( 4497 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4498 4499 final long ident = mInjector.binderClearCallingIdentity(); 4500 try { 4501 boolean wipeData = false; 4502 int identifier = 0; 4503 synchronized (this) { 4504 DevicePolicyData policy = getUserData(userHandle); 4505 policy.mFailedPasswordAttempts++; 4506 saveSettingsLocked(userHandle); 4507 if (mHasFeature) { 4508 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4509 userHandle, /* parent */ false); 4510 int max = strictestAdmin != null 4511 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4512 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4513 // Wipe the user/profile associated with the policy that was violated. This 4514 // is not necessarily calling user: if the policy that fired was from a 4515 // managed profile rather than the main user profile, we wipe former only. 4516 wipeData = true; 4517 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4518 } 4519 4520 sendAdminCommandForLockscreenPoliciesLocked( 4521 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4522 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4523 } 4524 } 4525 if (wipeData) { 4526 // Call without holding lock. 4527 wipeDeviceOrUserLocked(false, identifier, 4528 "reportFailedPasswordAttempt()"); 4529 } 4530 } finally { 4531 mInjector.binderRestoreCallingIdentity(ident); 4532 } 4533 4534 if (mInjector.securityLogIsLoggingEnabled()) { 4535 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4536 /*method strength*/ 1); 4537 } 4538 } 4539 4540 @Override 4541 public void reportSuccessfulPasswordAttempt(int userHandle) { 4542 enforceFullCrossUsersPermission(userHandle); 4543 mContext.enforceCallingOrSelfPermission( 4544 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4545 4546 synchronized (this) { 4547 DevicePolicyData policy = getUserData(userHandle); 4548 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4549 long ident = mInjector.binderClearCallingIdentity(); 4550 try { 4551 policy.mFailedPasswordAttempts = 0; 4552 policy.mPasswordOwner = -1; 4553 saveSettingsLocked(userHandle); 4554 if (mHasFeature) { 4555 sendAdminCommandForLockscreenPoliciesLocked( 4556 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4557 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4558 } 4559 } finally { 4560 mInjector.binderRestoreCallingIdentity(ident); 4561 } 4562 } 4563 } 4564 4565 if (mInjector.securityLogIsLoggingEnabled()) { 4566 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4567 /*method strength*/ 1); 4568 } 4569 } 4570 4571 @Override 4572 public void reportFailedFingerprintAttempt(int userHandle) { 4573 enforceFullCrossUsersPermission(userHandle); 4574 mContext.enforceCallingOrSelfPermission( 4575 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4576 if (mInjector.securityLogIsLoggingEnabled()) { 4577 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4578 /*method strength*/ 0); 4579 } 4580 } 4581 4582 @Override 4583 public void reportSuccessfulFingerprintAttempt(int userHandle) { 4584 enforceFullCrossUsersPermission(userHandle); 4585 mContext.enforceCallingOrSelfPermission( 4586 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4587 if (mInjector.securityLogIsLoggingEnabled()) { 4588 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4589 /*method strength*/ 0); 4590 } 4591 } 4592 4593 @Override 4594 public void reportKeyguardDismissed(int userHandle) { 4595 enforceFullCrossUsersPermission(userHandle); 4596 mContext.enforceCallingOrSelfPermission( 4597 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4598 4599 if (mInjector.securityLogIsLoggingEnabled()) { 4600 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 4601 } 4602 } 4603 4604 @Override 4605 public void reportKeyguardSecured(int userHandle) { 4606 enforceFullCrossUsersPermission(userHandle); 4607 mContext.enforceCallingOrSelfPermission( 4608 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4609 4610 if (mInjector.securityLogIsLoggingEnabled()) { 4611 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 4612 } 4613 } 4614 4615 @Override 4616 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 4617 String exclusionList) { 4618 if (!mHasFeature) { 4619 return null; 4620 } 4621 synchronized(this) { 4622 Preconditions.checkNotNull(who, "ComponentName is null"); 4623 4624 // Only check if system user has set global proxy. We don't allow other users to set it. 4625 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4626 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4627 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 4628 4629 // Scan through active admins and find if anyone has already 4630 // set the global proxy. 4631 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 4632 for (ComponentName component : compSet) { 4633 ActiveAdmin ap = policy.mAdminMap.get(component); 4634 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 4635 // Another admin already sets the global proxy 4636 // Return it to the caller. 4637 return component; 4638 } 4639 } 4640 4641 // If the user is not system, don't set the global proxy. Fail silently. 4642 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 4643 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 4644 + UserHandle.getCallingUserId() + " is not permitted."); 4645 return null; 4646 } 4647 if (proxySpec == null) { 4648 admin.specifiesGlobalProxy = false; 4649 admin.globalProxySpec = null; 4650 admin.globalProxyExclusionList = null; 4651 } else { 4652 4653 admin.specifiesGlobalProxy = true; 4654 admin.globalProxySpec = proxySpec; 4655 admin.globalProxyExclusionList = exclusionList; 4656 } 4657 4658 // Reset the global proxy accordingly 4659 // Do this using system permissions, as apps cannot write to secure settings 4660 long origId = mInjector.binderClearCallingIdentity(); 4661 try { 4662 resetGlobalProxyLocked(policy); 4663 } finally { 4664 mInjector.binderRestoreCallingIdentity(origId); 4665 } 4666 return null; 4667 } 4668 } 4669 4670 @Override 4671 public ComponentName getGlobalProxyAdmin(int userHandle) { 4672 if (!mHasFeature) { 4673 return null; 4674 } 4675 enforceFullCrossUsersPermission(userHandle); 4676 synchronized(this) { 4677 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4678 // Scan through active admins and find if anyone has already 4679 // set the global proxy. 4680 final int N = policy.mAdminList.size(); 4681 for (int i = 0; i < N; i++) { 4682 ActiveAdmin ap = policy.mAdminList.get(i); 4683 if (ap.specifiesGlobalProxy) { 4684 // Device admin sets the global proxy 4685 // Return it to the caller. 4686 return ap.info.getComponent(); 4687 } 4688 } 4689 } 4690 // No device admin sets the global proxy. 4691 return null; 4692 } 4693 4694 @Override 4695 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 4696 synchronized (this) { 4697 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4698 } 4699 long token = mInjector.binderClearCallingIdentity(); 4700 try { 4701 ConnectivityManager connectivityManager = (ConnectivityManager) 4702 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4703 connectivityManager.setGlobalProxy(proxyInfo); 4704 } finally { 4705 mInjector.binderRestoreCallingIdentity(token); 4706 } 4707 } 4708 4709 private void resetGlobalProxyLocked(DevicePolicyData policy) { 4710 final int N = policy.mAdminList.size(); 4711 for (int i = 0; i < N; i++) { 4712 ActiveAdmin ap = policy.mAdminList.get(i); 4713 if (ap.specifiesGlobalProxy) { 4714 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 4715 return; 4716 } 4717 } 4718 // No device admins defining global proxies - reset global proxy settings to none 4719 saveGlobalProxyLocked(null, null); 4720 } 4721 4722 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 4723 if (exclusionList == null) { 4724 exclusionList = ""; 4725 } 4726 if (proxySpec == null) { 4727 proxySpec = ""; 4728 } 4729 // Remove white spaces 4730 proxySpec = proxySpec.trim(); 4731 String data[] = proxySpec.split(":"); 4732 int proxyPort = 8080; 4733 if (data.length > 1) { 4734 try { 4735 proxyPort = Integer.parseInt(data[1]); 4736 } catch (NumberFormatException e) {} 4737 } 4738 exclusionList = exclusionList.trim(); 4739 4740 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 4741 if (!proxyProperties.isValid()) { 4742 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 4743 return; 4744 } 4745 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 4746 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 4747 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 4748 exclusionList); 4749 } 4750 4751 /** 4752 * Set the storage encryption request for a single admin. Returns the new total request 4753 * status (for all admins). 4754 */ 4755 @Override 4756 public int setStorageEncryption(ComponentName who, boolean encrypt) { 4757 if (!mHasFeature) { 4758 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4759 } 4760 Preconditions.checkNotNull(who, "ComponentName is null"); 4761 final int userHandle = UserHandle.getCallingUserId(); 4762 synchronized (this) { 4763 // Check for permissions 4764 // Only system user can set storage encryption 4765 if (userHandle != UserHandle.USER_SYSTEM) { 4766 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 4767 + UserHandle.getCallingUserId() + " is not permitted."); 4768 return 0; 4769 } 4770 4771 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4772 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 4773 4774 // Quick exit: If the filesystem does not support encryption, we can exit early. 4775 if (!isEncryptionSupported()) { 4776 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4777 } 4778 4779 // (1) Record the value for the admin so it's sticky 4780 if (ap.encryptionRequested != encrypt) { 4781 ap.encryptionRequested = encrypt; 4782 saveSettingsLocked(userHandle); 4783 } 4784 4785 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4786 // (2) Compute "max" for all admins 4787 boolean newRequested = false; 4788 final int N = policy.mAdminList.size(); 4789 for (int i = 0; i < N; i++) { 4790 newRequested |= policy.mAdminList.get(i).encryptionRequested; 4791 } 4792 4793 // Notify OS of new request 4794 setEncryptionRequested(newRequested); 4795 4796 // Return the new global request status 4797 return newRequested 4798 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 4799 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 4800 } 4801 } 4802 4803 /** 4804 * Get the current storage encryption request status for a given admin, or aggregate of all 4805 * active admins. 4806 */ 4807 @Override 4808 public boolean getStorageEncryption(ComponentName who, int userHandle) { 4809 if (!mHasFeature) { 4810 return false; 4811 } 4812 enforceFullCrossUsersPermission(userHandle); 4813 synchronized (this) { 4814 // Check for permissions if a particular caller is specified 4815 if (who != null) { 4816 // When checking for a single caller, status is based on caller's request 4817 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 4818 return ap != null ? ap.encryptionRequested : false; 4819 } 4820 4821 // If no particular caller is specified, return the aggregate set of requests. 4822 // This is short circuited by returning true on the first hit. 4823 DevicePolicyData policy = getUserData(userHandle); 4824 final int N = policy.mAdminList.size(); 4825 for (int i = 0; i < N; i++) { 4826 if (policy.mAdminList.get(i).encryptionRequested) { 4827 return true; 4828 } 4829 } 4830 return false; 4831 } 4832 } 4833 4834 /** 4835 * Get the current encryption status of the device. 4836 */ 4837 @Override 4838 public int getStorageEncryptionStatus(int userHandle) { 4839 if (!mHasFeature) { 4840 // Ok to return current status. 4841 } 4842 enforceFullCrossUsersPermission(userHandle); 4843 return getEncryptionStatus(); 4844 } 4845 4846 /** 4847 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 4848 */ 4849 private boolean isEncryptionSupported() { 4850 // Note, this can be implemented as 4851 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4852 // But is provided as a separate internal method if there's a faster way to do a 4853 // simple check for supported-or-not. 4854 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4855 } 4856 4857 /** 4858 * Hook to low-levels: Reporting the current status of encryption. 4859 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 4860 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 4861 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, or 4862 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 4863 */ 4864 private int getEncryptionStatus() { 4865 if (StorageManager.isEncrypted()) { 4866 return StorageManager.isNonDefaultBlockEncrypted() ? 4867 DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 4868 : DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 4869 } else if (StorageManager.isEncryptable()) { 4870 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 4871 } else { 4872 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4873 } 4874 } 4875 4876 /** 4877 * Hook to low-levels: If needed, record the new admin setting for encryption. 4878 */ 4879 private void setEncryptionRequested(boolean encrypt) { 4880 } 4881 4882 4883 /** 4884 * Set whether the screen capture is disabled for the user managed by the specified admin. 4885 */ 4886 @Override 4887 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 4888 if (!mHasFeature) { 4889 return; 4890 } 4891 Preconditions.checkNotNull(who, "ComponentName is null"); 4892 final int userHandle = UserHandle.getCallingUserId(); 4893 synchronized (this) { 4894 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4895 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4896 if (ap.disableScreenCapture != disabled) { 4897 ap.disableScreenCapture = disabled; 4898 saveSettingsLocked(userHandle); 4899 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 4900 } 4901 } 4902 } 4903 4904 /** 4905 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 4906 * active admin (if given admin is null). 4907 */ 4908 @Override 4909 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 4910 if (!mHasFeature) { 4911 return false; 4912 } 4913 synchronized (this) { 4914 if (who != null) { 4915 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 4916 return (admin != null) ? admin.disableScreenCapture : false; 4917 } 4918 4919 DevicePolicyData policy = getUserData(userHandle); 4920 final int N = policy.mAdminList.size(); 4921 for (int i = 0; i < N; i++) { 4922 ActiveAdmin admin = policy.mAdminList.get(i); 4923 if (admin.disableScreenCapture) { 4924 return true; 4925 } 4926 } 4927 return false; 4928 } 4929 } 4930 4931 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 4932 final boolean disabled) { 4933 mHandler.post(new Runnable() { 4934 @Override 4935 public void run() { 4936 try { 4937 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 4938 } catch (RemoteException e) { 4939 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 4940 } 4941 } 4942 }); 4943 } 4944 4945 /** 4946 * Set whether auto time is required by the specified admin (must be device owner). 4947 */ 4948 @Override 4949 public void setAutoTimeRequired(ComponentName who, boolean required) { 4950 if (!mHasFeature) { 4951 return; 4952 } 4953 Preconditions.checkNotNull(who, "ComponentName is null"); 4954 final int userHandle = UserHandle.getCallingUserId(); 4955 synchronized (this) { 4956 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4957 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4958 if (admin.requireAutoTime != required) { 4959 admin.requireAutoTime = required; 4960 saveSettingsLocked(userHandle); 4961 } 4962 } 4963 4964 // Turn AUTO_TIME on in settings if it is required 4965 if (required) { 4966 long ident = mInjector.binderClearCallingIdentity(); 4967 try { 4968 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 4969 } finally { 4970 mInjector.binderRestoreCallingIdentity(ident); 4971 } 4972 } 4973 } 4974 4975 /** 4976 * Returns whether or not auto time is required by the device owner. 4977 */ 4978 @Override 4979 public boolean getAutoTimeRequired() { 4980 if (!mHasFeature) { 4981 return false; 4982 } 4983 synchronized (this) { 4984 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 4985 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 4986 } 4987 } 4988 4989 @Override 4990 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 4991 if (!mHasFeature) { 4992 return; 4993 } 4994 Preconditions.checkNotNull(who, "ComponentName is null"); 4995 // Allow setting this policy to true only if there is a split system user. 4996 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 4997 throw new UnsupportedOperationException( 4998 "Cannot force ephemeral users on systems without split system user."); 4999 } 5000 boolean removeAllUsers = false; 5001 synchronized (this) { 5002 final ActiveAdmin deviceOwner = 5003 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5004 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5005 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5006 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5007 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5008 removeAllUsers = forceEphemeralUsers; 5009 } 5010 } 5011 if (removeAllUsers) { 5012 long identitity = mInjector.binderClearCallingIdentity(); 5013 try { 5014 mUserManagerInternal.removeAllUsers(); 5015 } finally { 5016 mInjector.binderRestoreCallingIdentity(identitity); 5017 } 5018 } 5019 } 5020 5021 @Override 5022 public boolean getForceEphemeralUsers(ComponentName who) { 5023 if (!mHasFeature) { 5024 return false; 5025 } 5026 Preconditions.checkNotNull(who, "ComponentName is null"); 5027 synchronized (this) { 5028 final ActiveAdmin deviceOwner = 5029 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5030 return deviceOwner.forceEphemeralUsers; 5031 } 5032 } 5033 5034 private boolean isDeviceOwnerManagedSingleUserDevice() { 5035 synchronized (this) { 5036 if (!mOwners.hasDeviceOwner()) { 5037 return false; 5038 } 5039 } 5040 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5041 try { 5042 if (mInjector.userManagerIsSplitSystemUser()) { 5043 // In split system user mode, only allow the case where the device owner is managing 5044 // the only non-system user of the device 5045 return (mUserManager.getUserCount() == 2 5046 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5047 } else { 5048 return mUserManager.getUserCount() == 1; 5049 } 5050 } finally { 5051 mInjector.binderRestoreCallingIdentity(callingIdentity); 5052 } 5053 } 5054 5055 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5056 synchronized (this) { 5057 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5058 } 5059 if (!isDeviceOwnerManagedSingleUserDevice()) { 5060 throw new SecurityException( 5061 "There should only be one user, managed by Device Owner"); 5062 } 5063 } 5064 5065 @Override 5066 public boolean requestBugreport(ComponentName who) { 5067 if (!mHasFeature) { 5068 return false; 5069 } 5070 Preconditions.checkNotNull(who, "ComponentName is null"); 5071 ensureDeviceOwnerManagingSingleUser(who); 5072 5073 if (mRemoteBugreportServiceIsActive.get() 5074 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5075 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5076 return false; 5077 } 5078 5079 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5080 try { 5081 ActivityManagerNative.getDefault().requestBugReport( 5082 ActivityManager.BUGREPORT_OPTION_REMOTE); 5083 5084 mRemoteBugreportServiceIsActive.set(true); 5085 mRemoteBugreportSharingAccepted.set(false); 5086 registerRemoteBugreportReceivers(); 5087 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5088 RemoteBugreportUtils.buildNotification(mContext, 5089 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5090 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5091 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5092 return true; 5093 } catch (RemoteException re) { 5094 // should never happen 5095 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5096 return false; 5097 } finally { 5098 mInjector.binderRestoreCallingIdentity(callingIdentity); 5099 } 5100 } 5101 5102 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5103 Intent intent = new Intent(action); 5104 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5105 if (extras != null) { 5106 intent.putExtras(extras); 5107 } 5108 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5109 } 5110 5111 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5112 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5113 } 5114 5115 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5116 String bugreportHash) { 5117 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5118 } 5119 5120 private void registerRemoteBugreportReceivers() { 5121 try { 5122 IntentFilter filterFinished = new IntentFilter( 5123 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5124 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5125 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5126 } catch (IntentFilter.MalformedMimeTypeException e) { 5127 // should never happen, as setting a constant 5128 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5129 } 5130 IntentFilter filterConsent = new IntentFilter(); 5131 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5132 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5133 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5134 } 5135 5136 private void onBugreportFinished(Intent intent) { 5137 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5138 mRemoteBugreportServiceIsActive.set(false); 5139 Uri bugreportUri = intent.getData(); 5140 String bugreportUriString = null; 5141 if (bugreportUri != null) { 5142 bugreportUriString = bugreportUri.toString(); 5143 } 5144 String bugreportHash = intent.getStringExtra( 5145 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5146 if (mRemoteBugreportSharingAccepted.get()) { 5147 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5148 mInjector.getNotificationManager().cancel(LOG_TAG, 5149 RemoteBugreportUtils.NOTIFICATION_ID); 5150 } else { 5151 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5152 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5153 RemoteBugreportUtils.buildNotification(mContext, 5154 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5155 UserHandle.ALL); 5156 } 5157 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5158 } 5159 5160 private void onBugreportFailed() { 5161 mRemoteBugreportServiceIsActive.set(false); 5162 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5163 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5164 mRemoteBugreportSharingAccepted.set(false); 5165 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5166 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5167 Bundle extras = new Bundle(); 5168 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5169 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5170 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5171 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5172 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5173 } 5174 5175 private void onBugreportSharingAccepted() { 5176 mRemoteBugreportSharingAccepted.set(true); 5177 String bugreportUriString = null; 5178 String bugreportHash = null; 5179 synchronized (this) { 5180 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5181 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5182 } 5183 if (bugreportUriString != null) { 5184 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5185 } else if (mRemoteBugreportServiceIsActive.get()) { 5186 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5187 RemoteBugreportUtils.buildNotification(mContext, 5188 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5189 UserHandle.ALL); 5190 } 5191 } 5192 5193 private void onBugreportSharingDeclined() { 5194 if (mRemoteBugreportServiceIsActive.get()) { 5195 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5196 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5197 mRemoteBugreportServiceIsActive.set(false); 5198 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5199 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5200 } 5201 mRemoteBugreportSharingAccepted.set(false); 5202 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5203 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5204 } 5205 5206 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5207 String bugreportHash) { 5208 ParcelFileDescriptor pfd = null; 5209 try { 5210 if (bugreportUriString == null) { 5211 throw new FileNotFoundException(); 5212 } 5213 Uri bugreportUri = Uri.parse(bugreportUriString); 5214 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5215 5216 synchronized (this) { 5217 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5218 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5219 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5220 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5221 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5222 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5223 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5224 } 5225 } catch (FileNotFoundException e) { 5226 Bundle extras = new Bundle(); 5227 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5228 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5229 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5230 } finally { 5231 try { 5232 if (pfd != null) { 5233 pfd.close(); 5234 } 5235 } catch (IOException ex) { 5236 // Ignore 5237 } 5238 mRemoteBugreportSharingAccepted.set(false); 5239 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5240 } 5241 } 5242 5243 /** 5244 * Disables all device cameras according to the specified admin. 5245 */ 5246 @Override 5247 public void setCameraDisabled(ComponentName who, boolean disabled) { 5248 if (!mHasFeature) { 5249 return; 5250 } 5251 Preconditions.checkNotNull(who, "ComponentName is null"); 5252 final int userHandle = mInjector.userHandleGetCallingUserId(); 5253 synchronized (this) { 5254 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5255 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5256 if (ap.disableCamera != disabled) { 5257 ap.disableCamera = disabled; 5258 saveSettingsLocked(userHandle); 5259 } 5260 } 5261 // Tell the user manager that the restrictions have changed. 5262 pushUserRestrictions(userHandle); 5263 } 5264 5265 /** 5266 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5267 * active admins. 5268 */ 5269 @Override 5270 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5271 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5272 } 5273 5274 private boolean getCameraDisabled(ComponentName who, int userHandle, 5275 boolean mergeDeviceOwnerRestriction) { 5276 if (!mHasFeature) { 5277 return false; 5278 } 5279 synchronized (this) { 5280 if (who != null) { 5281 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5282 return (admin != null) ? admin.disableCamera : false; 5283 } 5284 // First, see if DO has set it. If so, it's device-wide. 5285 if (mergeDeviceOwnerRestriction) { 5286 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5287 if (deviceOwner != null && deviceOwner.disableCamera) { 5288 return true; 5289 } 5290 } 5291 5292 // Then check each device admin on the user. 5293 DevicePolicyData policy = getUserData(userHandle); 5294 // Determine whether or not the device camera is disabled for any active admins. 5295 final int N = policy.mAdminList.size(); 5296 for (int i = 0; i < N; i++) { 5297 ActiveAdmin admin = policy.mAdminList.get(i); 5298 if (admin.disableCamera) { 5299 return true; 5300 } 5301 } 5302 return false; 5303 } 5304 } 5305 5306 @Override 5307 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5308 if (!mHasFeature) { 5309 return; 5310 } 5311 Preconditions.checkNotNull(who, "ComponentName is null"); 5312 final int userHandle = mInjector.userHandleGetCallingUserId(); 5313 if (isManagedProfile(userHandle)) { 5314 if (parent) { 5315 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5316 } else { 5317 which = which & PROFILE_KEYGUARD_FEATURES; 5318 } 5319 } 5320 synchronized (this) { 5321 ActiveAdmin ap = getActiveAdminForCallerLocked( 5322 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5323 if (ap.disabledKeyguardFeatures != which) { 5324 ap.disabledKeyguardFeatures = which; 5325 saveSettingsLocked(userHandle); 5326 } 5327 } 5328 } 5329 5330 /** 5331 * Gets the disabled state for features in keyguard for the given admin, 5332 * or the aggregate of all active admins if who is null. 5333 */ 5334 @Override 5335 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5336 if (!mHasFeature) { 5337 return 0; 5338 } 5339 enforceFullCrossUsersPermission(userHandle); 5340 final long ident = mInjector.binderClearCallingIdentity(); 5341 try { 5342 synchronized (this) { 5343 if (who != null) { 5344 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5345 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5346 } 5347 5348 final List<ActiveAdmin> admins; 5349 if (!parent && isManagedProfile(userHandle)) { 5350 // If we are being asked about a managed profile, just return keyguard features 5351 // disabled by admins in the profile. 5352 admins = getUserDataUnchecked(userHandle).mAdminList; 5353 } else { 5354 // Otherwise return those set by admins in the user and its profiles. 5355 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5356 } 5357 5358 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5359 final int N = admins.size(); 5360 for (int i = 0; i < N; i++) { 5361 ActiveAdmin admin = admins.get(i); 5362 int userId = admin.getUserHandle().getIdentifier(); 5363 boolean isRequestedUser = !parent && (userId == userHandle); 5364 if (isRequestedUser || !isManagedProfile(userId)) { 5365 // If we are being asked explicitly about this user 5366 // return all disabled features even if its a managed profile. 5367 which |= admin.disabledKeyguardFeatures; 5368 } else { 5369 // Otherwise a managed profile is only allowed to disable 5370 // some features on the parent user. 5371 which |= (admin.disabledKeyguardFeatures 5372 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5373 } 5374 } 5375 return which; 5376 } 5377 } finally { 5378 mInjector.binderRestoreCallingIdentity(ident); 5379 } 5380 } 5381 5382 @Override 5383 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5384 if (!mHasFeature) { 5385 return; 5386 } 5387 Preconditions.checkNotNull(who, "ComponentName is null"); 5388 Preconditions.checkNotNull(packageList, "packageList is null"); 5389 final int userHandle = UserHandle.getCallingUserId(); 5390 synchronized (this) { 5391 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5392 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5393 admin.keepUninstalledPackages = packageList; 5394 saveSettingsLocked(userHandle); 5395 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5396 } 5397 } 5398 5399 @Override 5400 public List<String> getKeepUninstalledPackages(ComponentName who) { 5401 Preconditions.checkNotNull(who, "ComponentName is null"); 5402 if (!mHasFeature) { 5403 return null; 5404 } 5405 // TODO In split system user mode, allow apps on user 0 to query the list 5406 synchronized (this) { 5407 // Check if this is the device owner who is calling 5408 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5409 return getKeepUninstalledPackagesLocked(); 5410 } 5411 } 5412 5413 private List<String> getKeepUninstalledPackagesLocked() { 5414 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5415 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5416 } 5417 5418 @Override 5419 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5420 if (!mHasFeature) { 5421 return false; 5422 } 5423 if (admin == null 5424 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5425 throw new IllegalArgumentException("Invalid component " + admin 5426 + " for device owner"); 5427 } 5428 synchronized (this) { 5429 enforceCanSetDeviceOwnerLocked(userId); 5430 if (getActiveAdminUncheckedLocked(admin, userId) == null) { 5431 throw new IllegalArgumentException("Not active admin: " + admin); 5432 } 5433 5434 // Shutting down backup manager service permanently. 5435 long ident = mInjector.binderClearCallingIdentity(); 5436 try { 5437 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5438 } catch (RemoteException e) { 5439 throw new IllegalStateException("Failed deactivating backup service.", e); 5440 } finally { 5441 mInjector.binderRestoreCallingIdentity(ident); 5442 } 5443 5444 mOwners.setDeviceOwner(admin, ownerName, userId); 5445 mOwners.writeDeviceOwner(); 5446 updateDeviceOwnerLocked(); 5447 setDeviceOwnerSystemPropertyLocked(); 5448 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5449 5450 ident = mInjector.binderClearCallingIdentity(); 5451 try { 5452 // TODO Send to system too? 5453 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5454 } finally { 5455 mInjector.binderRestoreCallingIdentity(ident); 5456 } 5457 return true; 5458 } 5459 } 5460 5461 public boolean isDeviceOwner(ComponentName who, int userId) { 5462 synchronized (this) { 5463 return mOwners.hasDeviceOwner() 5464 && mOwners.getDeviceOwnerUserId() == userId 5465 && mOwners.getDeviceOwnerComponent().equals(who); 5466 } 5467 } 5468 5469 public boolean isProfileOwner(ComponentName who, int userId) { 5470 final ComponentName profileOwner = getProfileOwner(userId); 5471 return who != null && who.equals(profileOwner); 5472 } 5473 5474 @Override 5475 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5476 if (!mHasFeature) { 5477 return null; 5478 } 5479 if (!callingUserOnly) { 5480 enforceManageUsers(); 5481 } 5482 synchronized (this) { 5483 if (!mOwners.hasDeviceOwner()) { 5484 return null; 5485 } 5486 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5487 mOwners.getDeviceOwnerUserId()) { 5488 return null; 5489 } 5490 return mOwners.getDeviceOwnerComponent(); 5491 } 5492 } 5493 5494 @Override 5495 public int getDeviceOwnerUserId() { 5496 if (!mHasFeature) { 5497 return UserHandle.USER_NULL; 5498 } 5499 enforceManageUsers(); 5500 synchronized (this) { 5501 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5502 } 5503 } 5504 5505 /** 5506 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5507 * MANAGE_USERS. 5508 */ 5509 @Override 5510 public String getDeviceOwnerName() { 5511 if (!mHasFeature) { 5512 return null; 5513 } 5514 enforceManageUsers(); 5515 synchronized (this) { 5516 if (!mOwners.hasDeviceOwner()) { 5517 return null; 5518 } 5519 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5520 // Should setDeviceOwner/ProfileOwner still take a name? 5521 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5522 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5523 } 5524 } 5525 5526 // Returns the active device owner or null if there is no device owner. 5527 @VisibleForTesting 5528 ActiveAdmin getDeviceOwnerAdminLocked() { 5529 ComponentName component = mOwners.getDeviceOwnerComponent(); 5530 if (component == null) { 5531 return null; 5532 } 5533 5534 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5535 final int n = policy.mAdminList.size(); 5536 for (int i = 0; i < n; i++) { 5537 ActiveAdmin admin = policy.mAdminList.get(i); 5538 if (component.equals(admin.info.getComponent())) { 5539 return admin; 5540 } 5541 } 5542 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5543 return null; 5544 } 5545 5546 @Override 5547 public void clearDeviceOwner(String packageName) { 5548 Preconditions.checkNotNull(packageName, "packageName is null"); 5549 final int callingUid = mInjector.binderGetCallingUid(); 5550 try { 5551 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 5552 UserHandle.getUserId(callingUid)); 5553 if (uid != callingUid) { 5554 throw new SecurityException("Invalid packageName"); 5555 } 5556 } catch (NameNotFoundException e) { 5557 throw new SecurityException(e); 5558 } 5559 synchronized (this) { 5560 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 5561 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 5562 if (!mOwners.hasDeviceOwner() 5563 || !deviceOwnerComponent.getPackageName().equals(packageName) 5564 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 5565 throw new SecurityException( 5566 "clearDeviceOwner can only be called by the device owner"); 5567 } 5568 enforceUserUnlocked(deviceOwnerUserId); 5569 5570 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 5571 if (admin != null) { 5572 admin.disableCamera = false; 5573 admin.userRestrictions = null; 5574 admin.forceEphemeralUsers = false; 5575 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 5576 } 5577 clearUserPoliciesLocked(deviceOwnerUserId); 5578 5579 mOwners.clearDeviceOwner(); 5580 mOwners.writeDeviceOwner(); 5581 updateDeviceOwnerLocked(); 5582 disableDeviceLoggingIfNotCompliant(); 5583 // Reactivate backup service. 5584 long ident = mInjector.binderClearCallingIdentity(); 5585 try { 5586 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 5587 5588 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 5589 } catch (RemoteException e) { 5590 throw new IllegalStateException("Failed reactivating backup service.", e); 5591 } finally { 5592 mInjector.binderRestoreCallingIdentity(ident); 5593 } 5594 } 5595 } 5596 5597 @Override 5598 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 5599 if (!mHasFeature) { 5600 return false; 5601 } 5602 if (who == null 5603 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 5604 throw new IllegalArgumentException("Component " + who 5605 + " not installed for userId:" + userHandle); 5606 } 5607 synchronized (this) { 5608 enforceCanSetProfileOwnerLocked(userHandle); 5609 5610 if (getActiveAdminUncheckedLocked(who, userHandle) == null) { 5611 throw new IllegalArgumentException("Not active admin: " + who); 5612 } 5613 5614 mOwners.setProfileOwner(who, ownerName, userHandle); 5615 mOwners.writeProfileOwner(userHandle); 5616 return true; 5617 } 5618 } 5619 5620 @Override 5621 public void clearProfileOwner(ComponentName who) { 5622 if (!mHasFeature) { 5623 return; 5624 } 5625 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 5626 final int userId = callingUser.getIdentifier(); 5627 enforceNotManagedProfile(userId, "clear profile owner"); 5628 enforceUserUnlocked(userId); 5629 // Check if this is the profile owner who is calling 5630 final ActiveAdmin admin = 5631 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5632 synchronized (this) { 5633 admin.disableCamera = false; 5634 admin.userRestrictions = null; 5635 clearUserPoliciesLocked(userId); 5636 mOwners.removeProfileOwner(userId); 5637 mOwners.writeProfileOwner(userId); 5638 5639 final long ident = mInjector.binderClearCallingIdentity(); 5640 try { 5641 removeActiveAdminLocked(who, userId); 5642 } finally { 5643 mInjector.binderRestoreCallingIdentity(ident); 5644 } 5645 } 5646 } 5647 5648 @Override 5649 public boolean setDeviceOwnerLockScreenInfo(ComponentName who, String info) { 5650 Preconditions.checkNotNull(who, "ComponentName is null"); 5651 if (!mHasFeature) { 5652 return false; 5653 } 5654 5655 synchronized (this) { 5656 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5657 long token = mInjector.binderClearCallingIdentity(); 5658 try { 5659 mLockPatternUtils.setDeviceOwnerInfo(info); 5660 } finally { 5661 mInjector.binderRestoreCallingIdentity(token); 5662 } 5663 return true; 5664 } 5665 } 5666 5667 @Override 5668 public String getDeviceOwnerLockScreenInfo() { 5669 return mLockPatternUtils.getDeviceOwnerInfo(); 5670 } 5671 5672 private void clearUserPoliciesLocked(int userId) { 5673 // Reset some of the user-specific policies 5674 DevicePolicyData policy = getUserData(userId); 5675 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 5676 policy.mDelegatedCertInstallerPackage = null; 5677 policy.mApplicationRestrictionsManagingPackage = null; 5678 policy.mStatusBarDisabled = false; 5679 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 5680 saveSettingsLocked(userId); 5681 5682 final long ident = mInjector.binderClearCallingIdentity(); 5683 try { 5684 mIPackageManager.updatePermissionFlagsForAllApps( 5685 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 5686 0 /* flagValues */, userId); 5687 pushUserRestrictions(userId); 5688 } catch (RemoteException re) { 5689 } finally { 5690 mInjector.binderRestoreCallingIdentity(ident); 5691 } 5692 } 5693 5694 @Override 5695 public boolean hasUserSetupCompleted() { 5696 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 5697 } 5698 5699 private boolean hasUserSetupCompleted(int userHandle) { 5700 if (!mHasFeature) { 5701 return true; 5702 } 5703 return getUserData(userHandle).mUserSetupComplete; 5704 } 5705 5706 @Override 5707 public int getUserProvisioningState() { 5708 if (!mHasFeature) { 5709 return DevicePolicyManager.STATE_USER_UNMANAGED; 5710 } 5711 int userHandle = mInjector.userHandleGetCallingUserId(); 5712 return getUserProvisioningState(userHandle); 5713 } 5714 5715 private int getUserProvisioningState(int userHandle) { 5716 return getUserData(userHandle).mUserProvisioningState; 5717 } 5718 5719 @Override 5720 public void setUserProvisioningState(int newState, int userHandle) { 5721 if (!mHasFeature) { 5722 return; 5723 } 5724 5725 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 5726 && getManagedUserId(userHandle) == -1) { 5727 // No managed device, user or profile, so setting provisioning state makes no sense. 5728 throw new IllegalStateException("Not allowed to change provisioning state unless a " 5729 + "device or profile owner is set."); 5730 } 5731 5732 synchronized (this) { 5733 boolean transitionCheckNeeded = true; 5734 5735 // Calling identity/permission checks. 5736 final int callingUid = mInjector.binderGetCallingUid(); 5737 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 5738 // ADB shell can only move directly from un-managed to finalized as part of directly 5739 // setting profile-owner or device-owner. 5740 if (getUserProvisioningState(userHandle) != 5741 DevicePolicyManager.STATE_USER_UNMANAGED 5742 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 5743 throw new IllegalStateException("Not allowed to change provisioning state " 5744 + "unless current provisioning state is unmanaged, and new state is " 5745 + "finalized."); 5746 } 5747 transitionCheckNeeded = false; 5748 } else { 5749 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 5750 mContext.enforceCallingOrSelfPermission( 5751 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 5752 } 5753 5754 final DevicePolicyData policyData = getUserData(userHandle); 5755 if (transitionCheckNeeded) { 5756 // Optional state transition check for non-ADB case. 5757 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 5758 } 5759 policyData.mUserProvisioningState = newState; 5760 saveSettingsLocked(userHandle); 5761 } 5762 } 5763 5764 private void checkUserProvisioningStateTransition(int currentState, int newState) { 5765 // Valid transitions for normal use-cases. 5766 switch (currentState) { 5767 case DevicePolicyManager.STATE_USER_UNMANAGED: 5768 // Can move to any state from unmanaged (except itself as an edge case).. 5769 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 5770 return; 5771 } 5772 break; 5773 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 5774 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 5775 // Can only move to finalized from these states. 5776 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 5777 return; 5778 } 5779 break; 5780 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 5781 // Current user has a managed-profile, but current user is not managed, so 5782 // rather than moving to finalized state, go back to unmanaged once 5783 // profile provisioning is complete. 5784 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 5785 return; 5786 } 5787 break; 5788 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 5789 // Cannot transition out of finalized. 5790 break; 5791 } 5792 5793 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 5794 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 5795 + "from state [" + currentState + "]"); 5796 } 5797 5798 @Override 5799 public void setProfileEnabled(ComponentName who) { 5800 if (!mHasFeature) { 5801 return; 5802 } 5803 Preconditions.checkNotNull(who, "ComponentName is null"); 5804 synchronized (this) { 5805 // Check if this is the profile owner who is calling 5806 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5807 final int userId = UserHandle.getCallingUserId(); 5808 enforceManagedProfile(userId, "enable the profile"); 5809 5810 long id = mInjector.binderClearCallingIdentity(); 5811 try { 5812 mUserManager.setUserEnabled(userId); 5813 UserInfo parent = mUserManager.getProfileParent(userId); 5814 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 5815 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 5816 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 5817 Intent.FLAG_RECEIVER_FOREGROUND); 5818 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 5819 } finally { 5820 mInjector.binderRestoreCallingIdentity(id); 5821 } 5822 } 5823 } 5824 5825 @Override 5826 public void setProfileName(ComponentName who, String profileName) { 5827 Preconditions.checkNotNull(who, "ComponentName is null"); 5828 int userId = UserHandle.getCallingUserId(); 5829 // Check if this is the profile owner (includes device owner). 5830 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5831 5832 long id = mInjector.binderClearCallingIdentity(); 5833 try { 5834 mUserManager.setUserName(userId, profileName); 5835 } finally { 5836 mInjector.binderRestoreCallingIdentity(id); 5837 } 5838 } 5839 5840 @Override 5841 public ComponentName getProfileOwner(int userHandle) { 5842 if (!mHasFeature) { 5843 return null; 5844 } 5845 5846 synchronized (this) { 5847 return mOwners.getProfileOwnerComponent(userHandle); 5848 } 5849 } 5850 5851 // Returns the active profile owner for this user or null if the current user has no 5852 // profile owner. 5853 @VisibleForTesting 5854 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 5855 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 5856 if (profileOwner == null) { 5857 return null; 5858 } 5859 DevicePolicyData policy = getUserData(userHandle); 5860 final int n = policy.mAdminList.size(); 5861 for (int i = 0; i < n; i++) { 5862 ActiveAdmin admin = policy.mAdminList.get(i); 5863 if (profileOwner.equals(admin.info.getComponent())) { 5864 return admin; 5865 } 5866 } 5867 return null; 5868 } 5869 5870 @Override 5871 public String getProfileOwnerName(int userHandle) { 5872 if (!mHasFeature) { 5873 return null; 5874 } 5875 enforceManageUsers(); 5876 ComponentName profileOwner = getProfileOwner(userHandle); 5877 if (profileOwner == null) { 5878 return null; 5879 } 5880 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 5881 } 5882 5883 /** 5884 * Canonical name for a given package. 5885 */ 5886 private String getApplicationLabel(String packageName, int userHandle) { 5887 long token = mInjector.binderClearCallingIdentity(); 5888 try { 5889 final Context userContext; 5890 try { 5891 UserHandle handle = new UserHandle(userHandle); 5892 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 5893 } catch (PackageManager.NameNotFoundException nnfe) { 5894 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 5895 return null; 5896 } 5897 ApplicationInfo appInfo = userContext.getApplicationInfo(); 5898 CharSequence result = null; 5899 if (appInfo != null) { 5900 PackageManager pm = userContext.getPackageManager(); 5901 result = pm.getApplicationLabel(appInfo); 5902 } 5903 return result != null ? result.toString() : null; 5904 } finally { 5905 mInjector.binderRestoreCallingIdentity(token); 5906 } 5907 } 5908 5909 /** 5910 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 5911 * permission. 5912 * The profile owner can only be set before the user setup phase has completed, 5913 * except for: 5914 * - SYSTEM_UID 5915 * - adb if there are not accounts. 5916 */ 5917 private void enforceCanSetProfileOwnerLocked(int userHandle) { 5918 UserInfo info = getUserInfo(userHandle); 5919 if (info == null) { 5920 // User doesn't exist. 5921 throw new IllegalArgumentException( 5922 "Attempted to set profile owner for invalid userId: " + userHandle); 5923 } 5924 if (info.isGuest()) { 5925 throw new IllegalStateException("Cannot set a profile owner on a guest"); 5926 } 5927 if (mOwners.hasProfileOwner(userHandle)) { 5928 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 5929 + "is already set."); 5930 } 5931 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 5932 throw new IllegalStateException("Trying to set the profile owner, but the user " 5933 + "already has a device owner."); 5934 } 5935 int callingUid = mInjector.binderGetCallingUid(); 5936 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 5937 if (hasUserSetupCompleted(userHandle) && 5938 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 5939 throw new IllegalStateException("Not allowed to set the profile owner because " 5940 + "there are already some accounts on the profile"); 5941 } 5942 return; 5943 } 5944 mContext.enforceCallingOrSelfPermission( 5945 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 5946 if (hasUserSetupCompleted(userHandle) && !isCallerWithSystemUid()) { 5947 throw new IllegalStateException("Cannot set the profile owner on a user which is " 5948 + "already set-up"); 5949 } 5950 } 5951 5952 /** 5953 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 5954 * permission. 5955 */ 5956 private void enforceCanSetDeviceOwnerLocked(int userId) { 5957 int callingUid = mInjector.binderGetCallingUid(); 5958 boolean isAdb = callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 5959 if (!isAdb) { 5960 mContext.enforceCallingOrSelfPermission( 5961 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 5962 } 5963 5964 final int code = checkSetDeviceOwnerPreCondition(userId, isAdb); 5965 switch (code) { 5966 case CODE_OK: 5967 return; 5968 case CODE_HAS_DEVICE_OWNER: 5969 throw new IllegalStateException( 5970 "Trying to set the device owner, but device owner is already set."); 5971 case CODE_USER_HAS_PROFILE_OWNER: 5972 throw new IllegalStateException("Trying to set the device owner, but the user " 5973 + "already has a profile owner."); 5974 case CODE_USER_NOT_RUNNING: 5975 throw new IllegalStateException("User not running: " + userId); 5976 case CODE_NOT_SYSTEM_USER: 5977 throw new IllegalStateException("User is not system user"); 5978 case CODE_USER_SETUP_COMPLETED: 5979 throw new IllegalStateException( 5980 "Cannot set the device owner if the device is already set-up"); 5981 case CODE_NONSYSTEM_USER_EXISTS: 5982 throw new IllegalStateException("Not allowed to set the device owner because there " 5983 + "are already several users on the device"); 5984 case CODE_ACCOUNTS_NOT_EMPTY: 5985 throw new IllegalStateException("Not allowed to set the device owner because there " 5986 + "are already some accounts on the device"); 5987 default: 5988 throw new IllegalStateException("Unknown @DeviceOwnerPreConditionCode " + code); 5989 } 5990 } 5991 5992 private void enforceUserUnlocked(int userId) { 5993 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 5994 "User must be running and unlocked"); 5995 } 5996 5997 private void enforceManageUsers() { 5998 final int callingUid = mInjector.binderGetCallingUid(); 5999 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6000 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6001 } 6002 } 6003 6004 private void enforceFullCrossUsersPermission(int userHandle) { 6005 enforceSystemUserOrPermission(userHandle, 6006 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6007 } 6008 6009 private void enforceCrossUsersPermission(int userHandle) { 6010 enforceSystemUserOrPermission(userHandle, 6011 android.Manifest.permission.INTERACT_ACROSS_USERS); 6012 } 6013 6014 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6015 if (userHandle < 0) { 6016 throw new IllegalArgumentException("Invalid userId " + userHandle); 6017 } 6018 final int callingUid = mInjector.binderGetCallingUid(); 6019 if (userHandle == UserHandle.getUserId(callingUid)) { 6020 return; 6021 } 6022 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6023 mContext.enforceCallingOrSelfPermission(permission, 6024 "Must be system or have " + permission + " permission"); 6025 } 6026 } 6027 6028 private void enforceManagedProfile(int userHandle, String message) { 6029 if(!isManagedProfile(userHandle)) { 6030 throw new SecurityException("You can not " + message + " outside a managed profile."); 6031 } 6032 } 6033 6034 private void enforceNotManagedProfile(int userHandle, String message) { 6035 if(isManagedProfile(userHandle)) { 6036 throw new SecurityException("You can not " + message + " for a managed profile."); 6037 } 6038 } 6039 6040 private boolean isCallerWithSystemUid() { 6041 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6042 } 6043 6044 private int getProfileParentId(int userHandle) { 6045 final long ident = mInjector.binderClearCallingIdentity(); 6046 try { 6047 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6048 return parentUser != null ? parentUser.id : userHandle; 6049 } finally { 6050 mInjector.binderRestoreCallingIdentity(ident); 6051 } 6052 } 6053 6054 private int getCredentialOwner(int userHandle, boolean parent) { 6055 final long ident = mInjector.binderClearCallingIdentity(); 6056 try { 6057 if (parent) { 6058 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6059 if (parentProfile != null) { 6060 userHandle = parentProfile.id; 6061 } 6062 } 6063 return mUserManager.getCredentialOwnerProfile(userHandle); 6064 } finally { 6065 mInjector.binderRestoreCallingIdentity(ident); 6066 } 6067 } 6068 6069 private boolean isManagedProfile(int userHandle) { 6070 return getUserInfo(userHandle).isManagedProfile(); 6071 } 6072 6073 private void enableIfNecessary(String packageName, int userId) { 6074 try { 6075 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6076 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6077 userId); 6078 if (ai.enabledSetting 6079 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6080 mIPackageManager.setApplicationEnabledSetting(packageName, 6081 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6082 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6083 } 6084 } catch (RemoteException e) { 6085 } 6086 } 6087 6088 @Override 6089 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6090 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6091 != PackageManager.PERMISSION_GRANTED) { 6092 6093 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6094 + mInjector.binderGetCallingPid() 6095 + ", uid=" + mInjector.binderGetCallingUid()); 6096 return; 6097 } 6098 6099 synchronized (this) { 6100 pw.println("Current Device Policy Manager state:"); 6101 mOwners.dump(" ", pw); 6102 int userCount = mUserData.size(); 6103 for (int u = 0; u < userCount; u++) { 6104 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6105 pw.println(); 6106 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6107 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6108 final int N = policy.mAdminList.size(); 6109 for (int i=0; i<N; i++) { 6110 ActiveAdmin ap = policy.mAdminList.get(i); 6111 if (ap != null) { 6112 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6113 pw.println(":"); 6114 ap.dump(" ", pw); 6115 } 6116 } 6117 if (!policy.mRemovingAdmins.isEmpty()) { 6118 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6119 + policy.mRemovingAdmins); 6120 } 6121 6122 pw.println(" "); 6123 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6124 } 6125 } 6126 } 6127 6128 @Override 6129 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6130 ComponentName activity) { 6131 Preconditions.checkNotNull(who, "ComponentName is null"); 6132 final int userHandle = UserHandle.getCallingUserId(); 6133 synchronized (this) { 6134 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6135 6136 long id = mInjector.binderClearCallingIdentity(); 6137 try { 6138 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6139 } catch (RemoteException re) { 6140 // Shouldn't happen 6141 } finally { 6142 mInjector.binderRestoreCallingIdentity(id); 6143 } 6144 } 6145 } 6146 6147 @Override 6148 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6149 Preconditions.checkNotNull(who, "ComponentName is null"); 6150 final int userHandle = UserHandle.getCallingUserId(); 6151 synchronized (this) { 6152 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6153 6154 long id = mInjector.binderClearCallingIdentity(); 6155 try { 6156 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6157 } catch (RemoteException re) { 6158 // Shouldn't happen 6159 } finally { 6160 mInjector.binderRestoreCallingIdentity(id); 6161 } 6162 } 6163 } 6164 6165 @Override 6166 public void setApplicationRestrictionsManagingPackage(ComponentName admin, String packageName) { 6167 Preconditions.checkNotNull(admin, "ComponentName is null"); 6168 6169 final int userHandle = mInjector.userHandleGetCallingUserId(); 6170 synchronized (this) { 6171 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6172 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6173 throw new IllegalArgumentException("Package " + packageName + " is not installed " 6174 + "on the current user"); 6175 } 6176 DevicePolicyData policy = getUserData(userHandle); 6177 policy.mApplicationRestrictionsManagingPackage = packageName; 6178 saveSettingsLocked(userHandle); 6179 } 6180 } 6181 6182 @Override 6183 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6184 Preconditions.checkNotNull(admin, "ComponentName is null"); 6185 6186 final int userHandle = mInjector.userHandleGetCallingUserId(); 6187 synchronized (this) { 6188 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6189 DevicePolicyData policy = getUserData(userHandle); 6190 return policy.mApplicationRestrictionsManagingPackage; 6191 } 6192 } 6193 6194 @Override 6195 public boolean isCallerApplicationRestrictionsManagingPackage() { 6196 final int callingUid = mInjector.binderGetCallingUid(); 6197 final int userHandle = UserHandle.getUserId(callingUid); 6198 synchronized (this) { 6199 final DevicePolicyData policy = getUserData(userHandle); 6200 if (policy.mApplicationRestrictionsManagingPackage == null) { 6201 return false; 6202 } 6203 6204 try { 6205 int uid = mContext.getPackageManager().getPackageUidAsUser( 6206 policy.mApplicationRestrictionsManagingPackage, userHandle); 6207 return uid == callingUid; 6208 } catch (NameNotFoundException e) { 6209 return false; 6210 } 6211 } 6212 } 6213 6214 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6215 if (who != null) { 6216 synchronized (this) { 6217 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6218 } 6219 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6220 throw new SecurityException( 6221 "No admin component given, and caller cannot manage application restrictions " 6222 + "for other apps."); 6223 } 6224 } 6225 6226 @Override 6227 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6228 enforceCanManageApplicationRestrictions(who); 6229 6230 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6231 final long id = mInjector.binderClearCallingIdentity(); 6232 try { 6233 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6234 } finally { 6235 mInjector.binderRestoreCallingIdentity(id); 6236 } 6237 } 6238 6239 @Override 6240 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6241 PersistableBundle args) { 6242 if (!mHasFeature) { 6243 return; 6244 } 6245 Preconditions.checkNotNull(admin, "admin is null"); 6246 Preconditions.checkNotNull(agent, "agent is null"); 6247 final int userHandle = UserHandle.getCallingUserId(); 6248 enforceNotManagedProfile(userHandle, "set trust agent configuration"); 6249 synchronized (this) { 6250 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6251 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 6252 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6253 saveSettingsLocked(userHandle); 6254 } 6255 } 6256 6257 @Override 6258 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6259 ComponentName agent, int userHandle) { 6260 if (!mHasFeature) { 6261 return null; 6262 } 6263 Preconditions.checkNotNull(agent, "agent null"); 6264 enforceFullCrossUsersPermission(userHandle); 6265 6266 synchronized (this) { 6267 final String componentName = agent.flattenToString(); 6268 if (admin != null) { 6269 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 6270 if (ap == null) return null; 6271 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6272 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6273 List<PersistableBundle> result = new ArrayList<PersistableBundle>(); 6274 result.add(trustAgentInfo.options); 6275 return result; 6276 } 6277 6278 // Return strictest policy for this user and profiles that are visible from this user. 6279 final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 6280 List<PersistableBundle> result = null; 6281 6282 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6283 // of the options. If any admin doesn't have options, discard options for the rest 6284 // and return null. 6285 boolean allAdminsHaveOptions = true; 6286 for (UserInfo userInfo : profiles) { 6287 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 6288 final int N = policy.mAdminList.size(); 6289 for (int i=0; i < N; i++) { 6290 final ActiveAdmin active = policy.mAdminList.get(i); 6291 final boolean disablesTrust = (active.disabledKeyguardFeatures 6292 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6293 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6294 if (info != null && info.options != null && !info.options.isEmpty()) { 6295 if (disablesTrust) { 6296 if (result == null) { 6297 result = new ArrayList<PersistableBundle>(); 6298 } 6299 result.add(info.options); 6300 } else { 6301 Log.w(LOG_TAG, "Ignoring admin " + active.info 6302 + " because it has trust options but doesn't declare " 6303 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6304 } 6305 } else if (disablesTrust) { 6306 allAdminsHaveOptions = false; 6307 break; 6308 } 6309 } 6310 } 6311 return allAdminsHaveOptions ? result : null; 6312 } 6313 } 6314 6315 @Override 6316 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 6317 Preconditions.checkNotNull(who, "ComponentName is null"); 6318 synchronized (this) { 6319 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6320 6321 int userHandle = UserHandle.getCallingUserId(); 6322 DevicePolicyData userData = getUserData(userHandle); 6323 userData.mRestrictionsProvider = permissionProvider; 6324 saveSettingsLocked(userHandle); 6325 } 6326 } 6327 6328 @Override 6329 public ComponentName getRestrictionsProvider(int userHandle) { 6330 synchronized (this) { 6331 if (!isCallerWithSystemUid()) { 6332 throw new SecurityException("Only the system can query the permission provider"); 6333 } 6334 DevicePolicyData userData = getUserData(userHandle); 6335 return userData != null ? userData.mRestrictionsProvider : null; 6336 } 6337 } 6338 6339 @Override 6340 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 6341 Preconditions.checkNotNull(who, "ComponentName is null"); 6342 int callingUserId = UserHandle.getCallingUserId(); 6343 synchronized (this) { 6344 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6345 6346 long id = mInjector.binderClearCallingIdentity(); 6347 try { 6348 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6349 if (parent == null) { 6350 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 6351 + "parent"); 6352 return; 6353 } 6354 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 6355 mIPackageManager.addCrossProfileIntentFilter( 6356 filter, who.getPackageName(), callingUserId, parent.id, 0); 6357 } 6358 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 6359 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 6360 parent.id, callingUserId, 0); 6361 } 6362 } catch (RemoteException re) { 6363 // Shouldn't happen 6364 } finally { 6365 mInjector.binderRestoreCallingIdentity(id); 6366 } 6367 } 6368 } 6369 6370 @Override 6371 public void clearCrossProfileIntentFilters(ComponentName who) { 6372 Preconditions.checkNotNull(who, "ComponentName is null"); 6373 int callingUserId = UserHandle.getCallingUserId(); 6374 synchronized (this) { 6375 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6376 long id = mInjector.binderClearCallingIdentity(); 6377 try { 6378 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6379 if (parent == null) { 6380 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 6381 + "parent"); 6382 return; 6383 } 6384 // Removing those that go from the managed profile to the parent. 6385 mIPackageManager.clearCrossProfileIntentFilters( 6386 callingUserId, who.getPackageName()); 6387 // And those that go from the parent to the managed profile. 6388 // If we want to support multiple managed profiles, we will have to only remove 6389 // those that have callingUserId as their target. 6390 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 6391 } catch (RemoteException re) { 6392 // Shouldn't happen 6393 } finally { 6394 mInjector.binderRestoreCallingIdentity(id); 6395 } 6396 } 6397 } 6398 6399 /** 6400 * @return true if all packages in enabledPackages are either in the list 6401 * permittedList or are a system app. 6402 */ 6403 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 6404 List<String> permittedList, int userIdToCheck) { 6405 long id = mInjector.binderClearCallingIdentity(); 6406 try { 6407 // If we have an enabled packages list for a managed profile the packages 6408 // we should check are installed for the parent user. 6409 UserInfo user = getUserInfo(userIdToCheck); 6410 if (user.isManagedProfile()) { 6411 userIdToCheck = user.profileGroupId; 6412 } 6413 6414 for (String enabledPackage : enabledPackages) { 6415 boolean systemService = false; 6416 try { 6417 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 6418 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 6419 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6420 } catch (RemoteException e) { 6421 Log.i(LOG_TAG, "Can't talk to package managed", e); 6422 } 6423 if (!systemService && !permittedList.contains(enabledPackage)) { 6424 return false; 6425 } 6426 } 6427 } finally { 6428 mInjector.binderRestoreCallingIdentity(id); 6429 } 6430 return true; 6431 } 6432 6433 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 6434 // Not using AccessibilityManager.getInstance because that guesses 6435 // at the user you require based on callingUid and caches for a given 6436 // process. 6437 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 6438 IAccessibilityManager service = iBinder == null 6439 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 6440 return new AccessibilityManager(mContext, service, userId); 6441 } 6442 6443 @Override 6444 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 6445 if (!mHasFeature) { 6446 return false; 6447 } 6448 Preconditions.checkNotNull(who, "ComponentName is null"); 6449 6450 if (packageList != null) { 6451 int userId = UserHandle.getCallingUserId(); 6452 List<AccessibilityServiceInfo> enabledServices = null; 6453 long id = mInjector.binderClearCallingIdentity(); 6454 try { 6455 UserInfo user = getUserInfo(userId); 6456 if (user.isManagedProfile()) { 6457 userId = user.profileGroupId; 6458 } 6459 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 6460 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 6461 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 6462 } finally { 6463 mInjector.binderRestoreCallingIdentity(id); 6464 } 6465 6466 if (enabledServices != null) { 6467 List<String> enabledPackages = new ArrayList<String>(); 6468 for (AccessibilityServiceInfo service : enabledServices) { 6469 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 6470 } 6471 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6472 userId)) { 6473 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 6474 + "because it contains already enabled accesibility services."); 6475 return false; 6476 } 6477 } 6478 } 6479 6480 synchronized (this) { 6481 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6482 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6483 admin.permittedAccessiblityServices = packageList; 6484 saveSettingsLocked(UserHandle.getCallingUserId()); 6485 } 6486 return true; 6487 } 6488 6489 @Override 6490 public List getPermittedAccessibilityServices(ComponentName who) { 6491 if (!mHasFeature) { 6492 return null; 6493 } 6494 Preconditions.checkNotNull(who, "ComponentName is null"); 6495 6496 synchronized (this) { 6497 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6498 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6499 return admin.permittedAccessiblityServices; 6500 } 6501 } 6502 6503 @Override 6504 public List getPermittedAccessibilityServicesForUser(int userId) { 6505 if (!mHasFeature) { 6506 return null; 6507 } 6508 synchronized (this) { 6509 List<String> result = null; 6510 // If we have multiple profiles we return the intersection of the 6511 // permitted lists. This can happen in cases where we have a device 6512 // and profile owner. 6513 List<UserInfo> profiles = mUserManager.getProfiles(userId); 6514 final int PROFILES_SIZE = profiles.size(); 6515 for (int i = 0; i < PROFILES_SIZE; ++i) { 6516 // Just loop though all admins, only device or profiles 6517 // owners can have permitted lists set. 6518 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 6519 final int N = policy.mAdminList.size(); 6520 for (int j = 0; j < N; j++) { 6521 ActiveAdmin admin = policy.mAdminList.get(j); 6522 List<String> fromAdmin = admin.permittedAccessiblityServices; 6523 if (fromAdmin != null) { 6524 if (result == null) { 6525 result = new ArrayList<String>(fromAdmin); 6526 } else { 6527 result.retainAll(fromAdmin); 6528 } 6529 } 6530 } 6531 } 6532 6533 // If we have a permitted list add all system accessibility services. 6534 if (result != null) { 6535 long id = mInjector.binderClearCallingIdentity(); 6536 try { 6537 UserInfo user = getUserInfo(userId); 6538 if (user.isManagedProfile()) { 6539 userId = user.profileGroupId; 6540 } 6541 AccessibilityManager accessibilityManager = 6542 getAccessibilityManagerForUser(userId); 6543 List<AccessibilityServiceInfo> installedServices = 6544 accessibilityManager.getInstalledAccessibilityServiceList(); 6545 6546 if (installedServices != null) { 6547 for (AccessibilityServiceInfo service : installedServices) { 6548 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 6549 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6550 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6551 result.add(serviceInfo.packageName); 6552 } 6553 } 6554 } 6555 } finally { 6556 mInjector.binderRestoreCallingIdentity(id); 6557 } 6558 } 6559 6560 return result; 6561 } 6562 } 6563 6564 @Override 6565 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 6566 int userHandle) { 6567 if (!mHasFeature) { 6568 return true; 6569 } 6570 Preconditions.checkNotNull(who, "ComponentName is null"); 6571 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 6572 if (!isCallerWithSystemUid()){ 6573 throw new SecurityException( 6574 "Only the system can query if an accessibility service is disabled by admin"); 6575 } 6576 synchronized (this) { 6577 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6578 if (admin.permittedAccessiblityServices == null) { 6579 return true; 6580 } 6581 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 6582 admin.permittedAccessiblityServices, userHandle); 6583 } 6584 } 6585 6586 private boolean checkCallerIsCurrentUserOrProfile() { 6587 int callingUserId = UserHandle.getCallingUserId(); 6588 long token = mInjector.binderClearCallingIdentity(); 6589 try { 6590 UserInfo currentUser; 6591 UserInfo callingUser = getUserInfo(callingUserId); 6592 try { 6593 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6594 } catch (RemoteException e) { 6595 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 6596 return false; 6597 } 6598 6599 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 6600 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 6601 + "of a user that isn't the foreground user."); 6602 return false; 6603 } 6604 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 6605 Slog.e(LOG_TAG, "Cannot set permitted input methods " 6606 + "of a user that isn't the foreground user."); 6607 return false; 6608 } 6609 } finally { 6610 mInjector.binderRestoreCallingIdentity(token); 6611 } 6612 return true; 6613 } 6614 6615 @Override 6616 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 6617 if (!mHasFeature) { 6618 return false; 6619 } 6620 Preconditions.checkNotNull(who, "ComponentName is null"); 6621 6622 // TODO When InputMethodManager supports per user calls remove 6623 // this restriction. 6624 if (!checkCallerIsCurrentUserOrProfile()) { 6625 return false; 6626 } 6627 6628 if (packageList != null) { 6629 // InputMethodManager fetches input methods for current user. 6630 // So this can only be set when calling user is the current user 6631 // or parent is current user in case of managed profiles. 6632 InputMethodManager inputMethodManager = 6633 mContext.getSystemService(InputMethodManager.class); 6634 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 6635 6636 if (enabledImes != null) { 6637 List<String> enabledPackages = new ArrayList<String>(); 6638 for (InputMethodInfo ime : enabledImes) { 6639 enabledPackages.add(ime.getPackageName()); 6640 } 6641 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6642 mInjector.binderGetCallingUserHandle().getIdentifier())) { 6643 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 6644 + "because it contains already enabled input method."); 6645 return false; 6646 } 6647 } 6648 } 6649 6650 synchronized (this) { 6651 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6652 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6653 admin.permittedInputMethods = packageList; 6654 saveSettingsLocked(UserHandle.getCallingUserId()); 6655 } 6656 return true; 6657 } 6658 6659 @Override 6660 public List getPermittedInputMethods(ComponentName who) { 6661 if (!mHasFeature) { 6662 return null; 6663 } 6664 Preconditions.checkNotNull(who, "ComponentName is null"); 6665 6666 synchronized (this) { 6667 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6668 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6669 return admin.permittedInputMethods; 6670 } 6671 } 6672 6673 @Override 6674 public List getPermittedInputMethodsForCurrentUser() { 6675 UserInfo currentUser; 6676 try { 6677 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6678 } catch (RemoteException e) { 6679 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 6680 // Activity managed is dead, just allow all IMEs 6681 return null; 6682 } 6683 6684 int userId = currentUser.id; 6685 synchronized (this) { 6686 List<String> result = null; 6687 // If we have multiple profiles we return the intersection of the 6688 // permitted lists. This can happen in cases where we have a device 6689 // and profile owner. 6690 List<UserInfo> profiles = mUserManager.getProfiles(userId); 6691 final int PROFILES_SIZE = profiles.size(); 6692 for (int i = 0; i < PROFILES_SIZE; ++i) { 6693 // Just loop though all admins, only device or profiles 6694 // owners can have permitted lists set. 6695 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 6696 final int N = policy.mAdminList.size(); 6697 for (int j = 0; j < N; j++) { 6698 ActiveAdmin admin = policy.mAdminList.get(j); 6699 List<String> fromAdmin = admin.permittedInputMethods; 6700 if (fromAdmin != null) { 6701 if (result == null) { 6702 result = new ArrayList<String>(fromAdmin); 6703 } else { 6704 result.retainAll(fromAdmin); 6705 } 6706 } 6707 } 6708 } 6709 6710 // If we have a permitted list add all system input methods. 6711 if (result != null) { 6712 InputMethodManager inputMethodManager = 6713 mContext.getSystemService(InputMethodManager.class); 6714 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 6715 long id = mInjector.binderClearCallingIdentity(); 6716 try { 6717 if (imes != null) { 6718 for (InputMethodInfo ime : imes) { 6719 ServiceInfo serviceInfo = ime.getServiceInfo(); 6720 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6721 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6722 result.add(serviceInfo.packageName); 6723 } 6724 } 6725 } 6726 } finally { 6727 mInjector.binderRestoreCallingIdentity(id); 6728 } 6729 } 6730 return result; 6731 } 6732 } 6733 6734 @Override 6735 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 6736 int userHandle) { 6737 if (!mHasFeature) { 6738 return true; 6739 } 6740 Preconditions.checkNotNull(who, "ComponentName is null"); 6741 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 6742 if (!isCallerWithSystemUid()) { 6743 throw new SecurityException( 6744 "Only the system can query if an input method is disabled by admin"); 6745 } 6746 synchronized (this) { 6747 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6748 if (admin.permittedInputMethods == null) { 6749 return true; 6750 } 6751 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 6752 admin.permittedInputMethods, userHandle); 6753 } 6754 } 6755 6756 private void sendAdminEnabledBroadcastLocked(int userHandle) { 6757 DevicePolicyData policyData = getUserData(userHandle); 6758 if (policyData.mAdminBroadcastPending) { 6759 // Send the initialization data to profile owner and delete the data 6760 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 6761 if (admin != null) { 6762 PersistableBundle initBundle = policyData.mInitBundle; 6763 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 6764 initBundle == null ? null : new Bundle(initBundle), null); 6765 } 6766 policyData.mInitBundle = null; 6767 policyData.mAdminBroadcastPending = false; 6768 saveSettingsLocked(userHandle); 6769 } 6770 } 6771 6772 @Override 6773 public UserHandle createAndManageUser(ComponentName admin, String name, 6774 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 6775 Preconditions.checkNotNull(admin, "admin is null"); 6776 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 6777 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 6778 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 6779 + admin + " are not in the same package"); 6780 } 6781 // Only allow the system user to use this method 6782 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 6783 throw new SecurityException("createAndManageUser was called from non-system user"); 6784 } 6785 if (!mInjector.userManagerIsSplitSystemUser() 6786 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 6787 throw new IllegalArgumentException( 6788 "Ephemeral users are only supported on systems with a split system user."); 6789 } 6790 // Create user. 6791 UserHandle user = null; 6792 synchronized (this) { 6793 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6794 6795 final long id = mInjector.binderClearCallingIdentity(); 6796 try { 6797 int userInfoFlags = 0; 6798 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 6799 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 6800 } 6801 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 6802 userInfoFlags); 6803 if (userInfo != null) { 6804 user = userInfo.getUserHandle(); 6805 } 6806 } finally { 6807 mInjector.binderRestoreCallingIdentity(id); 6808 } 6809 } 6810 if (user == null) { 6811 return null; 6812 } 6813 // Set admin. 6814 final long id = mInjector.binderClearCallingIdentity(); 6815 try { 6816 final String adminPkg = admin.getPackageName(); 6817 6818 final int userHandle = user.getIdentifier(); 6819 try { 6820 // Install the profile owner if not present. 6821 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 6822 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 6823 } 6824 } catch (RemoteException e) { 6825 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 6826 + "removing created user", e); 6827 mUserManager.removeUser(user.getIdentifier()); 6828 return null; 6829 } 6830 6831 setActiveAdmin(profileOwner, true, userHandle); 6832 // User is not started yet, the broadcast by setActiveAdmin will not be received. 6833 // So we store adminExtras for broadcasting when the user starts for first time. 6834 synchronized(this) { 6835 DevicePolicyData policyData = getUserData(userHandle); 6836 policyData.mInitBundle = adminExtras; 6837 policyData.mAdminBroadcastPending = true; 6838 saveSettingsLocked(userHandle); 6839 } 6840 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 6841 setProfileOwner(profileOwner, ownerName, userHandle); 6842 6843 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 6844 Settings.Secure.putIntForUser(mContext.getContentResolver(), 6845 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 6846 } 6847 6848 return user; 6849 } finally { 6850 mInjector.binderRestoreCallingIdentity(id); 6851 } 6852 } 6853 6854 @Override 6855 public boolean removeUser(ComponentName who, UserHandle userHandle) { 6856 Preconditions.checkNotNull(who, "ComponentName is null"); 6857 synchronized (this) { 6858 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6859 6860 long id = mInjector.binderClearCallingIdentity(); 6861 try { 6862 return mUserManager.removeUser(userHandle.getIdentifier()); 6863 } finally { 6864 mInjector.binderRestoreCallingIdentity(id); 6865 } 6866 } 6867 } 6868 6869 @Override 6870 public boolean switchUser(ComponentName who, UserHandle userHandle) { 6871 Preconditions.checkNotNull(who, "ComponentName is null"); 6872 synchronized (this) { 6873 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6874 6875 long id = mInjector.binderClearCallingIdentity(); 6876 try { 6877 int userId = UserHandle.USER_SYSTEM; 6878 if (userHandle != null) { 6879 userId = userHandle.getIdentifier(); 6880 } 6881 return mInjector.getIActivityManager().switchUser(userId); 6882 } catch (RemoteException e) { 6883 Log.e(LOG_TAG, "Couldn't switch user", e); 6884 return false; 6885 } finally { 6886 mInjector.binderRestoreCallingIdentity(id); 6887 } 6888 } 6889 } 6890 6891 @Override 6892 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 6893 enforceCanManageApplicationRestrictions(who); 6894 6895 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6896 final long id = mInjector.binderClearCallingIdentity(); 6897 try { 6898 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 6899 // if no restrictions were saved, mUserManager.getApplicationRestrictions 6900 // returns null, but DPM method should return an empty Bundle as per JavaDoc 6901 return bundle != null ? bundle : Bundle.EMPTY; 6902 } finally { 6903 mInjector.binderRestoreCallingIdentity(id); 6904 } 6905 } 6906 6907 @Override 6908 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 6909 boolean suspended) { 6910 Preconditions.checkNotNull(who, "ComponentName is null"); 6911 int callingUserId = UserHandle.getCallingUserId(); 6912 synchronized (this) { 6913 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6914 6915 long id = mInjector.binderClearCallingIdentity(); 6916 try { 6917 return mIPackageManager.setPackagesSuspendedAsUser( 6918 packageNames, suspended, callingUserId); 6919 } catch (RemoteException re) { 6920 // Shouldn't happen. 6921 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 6922 } finally { 6923 mInjector.binderRestoreCallingIdentity(id); 6924 } 6925 return packageNames; 6926 } 6927 } 6928 6929 @Override 6930 public boolean getPackageSuspended(ComponentName who, String packageName) { 6931 Preconditions.checkNotNull(who, "ComponentName is null"); 6932 int callingUserId = UserHandle.getCallingUserId(); 6933 synchronized (this) { 6934 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6935 6936 long id = mInjector.binderClearCallingIdentity(); 6937 try { 6938 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 6939 } catch (RemoteException re) { 6940 // Shouldn't happen. 6941 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 6942 } finally { 6943 mInjector.binderRestoreCallingIdentity(id); 6944 } 6945 return false; 6946 } 6947 } 6948 6949 @Override 6950 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 6951 Preconditions.checkNotNull(who, "ComponentName is null"); 6952 if (!UserRestrictionsUtils.isValidRestriction(key)) { 6953 return; 6954 } 6955 6956 final int userHandle = mInjector.userHandleGetCallingUserId(); 6957 synchronized (this) { 6958 ActiveAdmin activeAdmin = 6959 getActiveAdminForCallerLocked(who, 6960 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6961 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 6962 if (isDeviceOwner) { 6963 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 6964 throw new SecurityException("Device owner cannot set user restriction " + key); 6965 } 6966 } else { // profile owner 6967 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 6968 throw new SecurityException("Profile owner cannot set user restriction " + key); 6969 } 6970 } 6971 6972 // Save the restriction to ActiveAdmin. 6973 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 6974 saveSettingsLocked(userHandle); 6975 6976 pushUserRestrictions(userHandle); 6977 6978 sendChangedNotification(userHandle); 6979 } 6980 } 6981 6982 private void pushUserRestrictions(int userId) { 6983 synchronized (this) { 6984 final Bundle global; 6985 final Bundle local = new Bundle(); 6986 if (mOwners.isDeviceOwnerUserId(userId)) { 6987 global = new Bundle(); 6988 6989 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6990 if (deviceOwner == null) { 6991 return; // Shouldn't happen. 6992 } 6993 6994 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 6995 global, local); 6996 // DO can disable camera globally. 6997 if (deviceOwner.disableCamera) { 6998 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 6999 } 7000 } else { 7001 global = null; 7002 7003 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7004 if (profileOwner != null) { 7005 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7006 } 7007 } 7008 // Also merge in *local* camera restriction. 7009 if (getCameraDisabled(/* who= */ null, 7010 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7011 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7012 } 7013 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7014 } 7015 } 7016 7017 @Override 7018 public Bundle getUserRestrictions(ComponentName who, int userHandle) { 7019 Preconditions.checkNotNull(who, "ComponentName is null"); 7020 enforceFullCrossUsersPermission(userHandle); 7021 synchronized (this) { 7022 ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(who, userHandle); 7023 if (activeAdmin == null) { 7024 throw new SecurityException("No active admin: " + activeAdmin); 7025 } 7026 if (activeAdmin.getUid() != mInjector.binderGetCallingUid()) { 7027 mContext.enforceCallingOrSelfPermission( 7028 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, 7029 "Calling uid " + mInjector.binderGetCallingUid() + " neither owns the admin" 7030 + " " + who + " nor has MANAGE_PROFILE_AND_DEVICE_OWNERS permission"); 7031 } 7032 return activeAdmin.userRestrictions; 7033 } 7034 } 7035 7036 @Override 7037 public boolean setApplicationHidden(ComponentName who, String packageName, 7038 boolean hidden) { 7039 Preconditions.checkNotNull(who, "ComponentName is null"); 7040 int callingUserId = UserHandle.getCallingUserId(); 7041 synchronized (this) { 7042 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7043 7044 long id = mInjector.binderClearCallingIdentity(); 7045 try { 7046 return mIPackageManager.setApplicationHiddenSettingAsUser( 7047 packageName, hidden, callingUserId); 7048 } catch (RemoteException re) { 7049 // shouldn't happen 7050 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7051 } finally { 7052 mInjector.binderRestoreCallingIdentity(id); 7053 } 7054 return false; 7055 } 7056 } 7057 7058 @Override 7059 public boolean isApplicationHidden(ComponentName who, String packageName) { 7060 Preconditions.checkNotNull(who, "ComponentName is null"); 7061 int callingUserId = UserHandle.getCallingUserId(); 7062 synchronized (this) { 7063 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7064 7065 long id = mInjector.binderClearCallingIdentity(); 7066 try { 7067 return mIPackageManager.getApplicationHiddenSettingAsUser( 7068 packageName, callingUserId); 7069 } catch (RemoteException re) { 7070 // shouldn't happen 7071 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7072 } finally { 7073 mInjector.binderRestoreCallingIdentity(id); 7074 } 7075 return false; 7076 } 7077 } 7078 7079 @Override 7080 public void enableSystemApp(ComponentName who, String packageName) { 7081 Preconditions.checkNotNull(who, "ComponentName is null"); 7082 synchronized (this) { 7083 // This API can only be called by an active device admin, 7084 // so try to retrieve it to check that the caller is one. 7085 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7086 7087 int userId = UserHandle.getCallingUserId(); 7088 long id = mInjector.binderClearCallingIdentity(); 7089 7090 try { 7091 if (VERBOSE_LOG) { 7092 Slog.v(LOG_TAG, "installing " + packageName + " for " 7093 + userId); 7094 } 7095 7096 int parentUserId = getProfileParentId(userId); 7097 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7098 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7099 } 7100 7101 // Install the app. 7102 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7103 7104 } catch (RemoteException re) { 7105 // shouldn't happen 7106 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7107 } finally { 7108 mInjector.binderRestoreCallingIdentity(id); 7109 } 7110 } 7111 } 7112 7113 @Override 7114 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7115 Preconditions.checkNotNull(who, "ComponentName is null"); 7116 synchronized (this) { 7117 // This API can only be called by an active device admin, 7118 // so try to retrieve it to check that the caller is one. 7119 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7120 7121 int userId = UserHandle.getCallingUserId(); 7122 long id = mInjector.binderClearCallingIdentity(); 7123 7124 try { 7125 int parentUserId = getProfileParentId(userId); 7126 List<ResolveInfo> activitiesToEnable = mIPackageManager.queryIntentActivities( 7127 intent, 7128 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7129 PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE, 7130 parentUserId).getList(); 7131 7132 if (VERBOSE_LOG) { 7133 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7134 } 7135 int numberOfAppsInstalled = 0; 7136 if (activitiesToEnable != null) { 7137 for (ResolveInfo info : activitiesToEnable) { 7138 if (info.activityInfo != null) { 7139 String packageName = info.activityInfo.packageName; 7140 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7141 numberOfAppsInstalled++; 7142 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7143 } else { 7144 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7145 + " system app"); 7146 } 7147 } 7148 } 7149 } 7150 return numberOfAppsInstalled; 7151 } catch (RemoteException e) { 7152 // shouldn't happen 7153 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7154 return 0; 7155 } finally { 7156 mInjector.binderRestoreCallingIdentity(id); 7157 } 7158 } 7159 } 7160 7161 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7162 throws RemoteException { 7163 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 7164 userId); 7165 if (appInfo == null) { 7166 throw new IllegalArgumentException("The application " + packageName + 7167 " is not present on this device"); 7168 } 7169 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7170 } 7171 7172 @Override 7173 public void setAccountManagementDisabled(ComponentName who, String accountType, 7174 boolean disabled) { 7175 if (!mHasFeature) { 7176 return; 7177 } 7178 Preconditions.checkNotNull(who, "ComponentName is null"); 7179 synchronized (this) { 7180 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7181 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7182 if (disabled) { 7183 ap.accountTypesWithManagementDisabled.add(accountType); 7184 } else { 7185 ap.accountTypesWithManagementDisabled.remove(accountType); 7186 } 7187 saveSettingsLocked(UserHandle.getCallingUserId()); 7188 } 7189 } 7190 7191 @Override 7192 public String[] getAccountTypesWithManagementDisabled() { 7193 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7194 } 7195 7196 @Override 7197 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7198 enforceFullCrossUsersPermission(userId); 7199 if (!mHasFeature) { 7200 return null; 7201 } 7202 synchronized (this) { 7203 DevicePolicyData policy = getUserData(userId); 7204 final int N = policy.mAdminList.size(); 7205 ArraySet<String> resultSet = new ArraySet<>(); 7206 for (int i = 0; i < N; i++) { 7207 ActiveAdmin admin = policy.mAdminList.get(i); 7208 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7209 } 7210 return resultSet.toArray(new String[resultSet.size()]); 7211 } 7212 } 7213 7214 @Override 7215 public void setUninstallBlocked(ComponentName who, String packageName, 7216 boolean uninstallBlocked) { 7217 Preconditions.checkNotNull(who, "ComponentName is null"); 7218 final int userId = UserHandle.getCallingUserId(); 7219 synchronized (this) { 7220 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7221 7222 long id = mInjector.binderClearCallingIdentity(); 7223 try { 7224 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7225 } catch (RemoteException re) { 7226 // Shouldn't happen. 7227 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7228 } finally { 7229 mInjector.binderRestoreCallingIdentity(id); 7230 } 7231 } 7232 } 7233 7234 @Override 7235 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7236 // This function should return true if and only if the package is blocked by 7237 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7238 // when the package is a system app, or when it is an active device admin. 7239 final int userId = UserHandle.getCallingUserId(); 7240 7241 synchronized (this) { 7242 if (who != null) { 7243 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7244 } 7245 7246 long id = mInjector.binderClearCallingIdentity(); 7247 try { 7248 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7249 } catch (RemoteException re) { 7250 // Shouldn't happen. 7251 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7252 } finally { 7253 mInjector.binderRestoreCallingIdentity(id); 7254 } 7255 } 7256 return false; 7257 } 7258 7259 @Override 7260 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7261 if (!mHasFeature) { 7262 return; 7263 } 7264 Preconditions.checkNotNull(who, "ComponentName is null"); 7265 synchronized (this) { 7266 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7267 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7268 if (admin.disableCallerId != disabled) { 7269 admin.disableCallerId = disabled; 7270 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7271 } 7272 } 7273 } 7274 7275 @Override 7276 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7277 if (!mHasFeature) { 7278 return false; 7279 } 7280 Preconditions.checkNotNull(who, "ComponentName is null"); 7281 synchronized (this) { 7282 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7283 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7284 return admin.disableCallerId; 7285 } 7286 } 7287 7288 @Override 7289 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 7290 enforceCrossUsersPermission(userId); 7291 synchronized (this) { 7292 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7293 return (admin != null) ? admin.disableCallerId : false; 7294 } 7295 } 7296 7297 @Override 7298 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 7299 if (!mHasFeature) { 7300 return; 7301 } 7302 Preconditions.checkNotNull(who, "ComponentName is null"); 7303 synchronized (this) { 7304 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7305 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7306 if (admin.disableContactsSearch != disabled) { 7307 admin.disableContactsSearch = disabled; 7308 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7309 } 7310 } 7311 } 7312 7313 @Override 7314 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 7315 if (!mHasFeature) { 7316 return false; 7317 } 7318 Preconditions.checkNotNull(who, "ComponentName is null"); 7319 synchronized (this) { 7320 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7321 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7322 return admin.disableContactsSearch; 7323 } 7324 } 7325 7326 @Override 7327 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 7328 enforceCrossUsersPermission(userId); 7329 synchronized (this) { 7330 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7331 return (admin != null) ? admin.disableContactsSearch : false; 7332 } 7333 } 7334 7335 @Override 7336 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 7337 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 7338 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 7339 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 7340 final int callingUserId = UserHandle.getCallingUserId(); 7341 7342 final long ident = mInjector.binderClearCallingIdentity(); 7343 try { 7344 synchronized (this) { 7345 final int managedUserId = getManagedUserId(callingUserId); 7346 if (managedUserId < 0) { 7347 return; 7348 } 7349 if (isCrossProfileQuickContactDisabled(managedUserId)) { 7350 if (VERBOSE_LOG) { 7351 Log.v(LOG_TAG, 7352 "Cross-profile contacts access disabled for user " + managedUserId); 7353 } 7354 return; 7355 } 7356 ContactsInternal.startQuickContactWithErrorToastForUser( 7357 mContext, intent, new UserHandle(managedUserId)); 7358 } 7359 } finally { 7360 mInjector.binderRestoreCallingIdentity(ident); 7361 } 7362 } 7363 7364 /** 7365 * @return true if cross-profile QuickContact is disabled 7366 */ 7367 private boolean isCrossProfileQuickContactDisabled(int userId) { 7368 return getCrossProfileCallerIdDisabledForUser(userId) 7369 && getCrossProfileContactsSearchDisabledForUser(userId); 7370 } 7371 7372 /** 7373 * @return the user ID of the managed user that is linked to the current user, if any. 7374 * Otherwise -1. 7375 */ 7376 public int getManagedUserId(int callingUserId) { 7377 if (VERBOSE_LOG) { 7378 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 7379 } 7380 7381 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 7382 if (ui.id == callingUserId || !ui.isManagedProfile()) { 7383 continue; // Caller user self, or not a managed profile. Skip. 7384 } 7385 if (VERBOSE_LOG) { 7386 Log.v(LOG_TAG, "Managed user=" + ui.id); 7387 } 7388 return ui.id; 7389 } 7390 if (VERBOSE_LOG) { 7391 Log.v(LOG_TAG, "Managed user not found."); 7392 } 7393 return -1; 7394 } 7395 7396 @Override 7397 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 7398 if (!mHasFeature) { 7399 return; 7400 } 7401 Preconditions.checkNotNull(who, "ComponentName is null"); 7402 synchronized (this) { 7403 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7404 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7405 if (admin.disableBluetoothContactSharing != disabled) { 7406 admin.disableBluetoothContactSharing = disabled; 7407 saveSettingsLocked(UserHandle.getCallingUserId()); 7408 } 7409 } 7410 } 7411 7412 @Override 7413 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 7414 if (!mHasFeature) { 7415 return false; 7416 } 7417 Preconditions.checkNotNull(who, "ComponentName is null"); 7418 synchronized (this) { 7419 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7420 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7421 return admin.disableBluetoothContactSharing; 7422 } 7423 } 7424 7425 @Override 7426 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 7427 // TODO: Should there be a check to make sure this relationship is 7428 // within a profile group? 7429 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 7430 synchronized (this) { 7431 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7432 return (admin != null) ? admin.disableBluetoothContactSharing : false; 7433 } 7434 } 7435 7436 /** 7437 * Sets which packages may enter lock task mode. 7438 * 7439 * This function can only be called by the device owner. 7440 * @param packages The list of packages allowed to enter lock task mode. 7441 */ 7442 @Override 7443 public void setLockTaskPackages(ComponentName who, String[] packages) 7444 throws SecurityException { 7445 Preconditions.checkNotNull(who, "ComponentName is null"); 7446 synchronized (this) { 7447 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7448 7449 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7450 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 7451 } 7452 } 7453 7454 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 7455 DevicePolicyData policy = getUserData(userHandle); 7456 policy.mLockTaskPackages = packages; 7457 7458 // Store the settings persistently. 7459 saveSettingsLocked(userHandle); 7460 updateLockTaskPackagesLocked(packages, userHandle); 7461 } 7462 7463 /** 7464 * This function returns the list of components allowed to start the task lock mode. 7465 */ 7466 @Override 7467 public String[] getLockTaskPackages(ComponentName who) { 7468 Preconditions.checkNotNull(who, "ComponentName is null"); 7469 synchronized (this) { 7470 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7471 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7472 final List<String> packages = getLockTaskPackagesLocked(userHandle); 7473 return packages.toArray(new String[packages.size()]); 7474 } 7475 } 7476 7477 private List<String> getLockTaskPackagesLocked(int userHandle) { 7478 final DevicePolicyData policy = getUserData(userHandle); 7479 return policy.mLockTaskPackages; 7480 } 7481 7482 /** 7483 * This function lets the caller know whether the given package is allowed to start the 7484 * lock task mode. 7485 * @param pkg The package to check 7486 */ 7487 @Override 7488 public boolean isLockTaskPermitted(String pkg) { 7489 // Get current user's devicepolicy 7490 int uid = mInjector.binderGetCallingUid(); 7491 int userHandle = UserHandle.getUserId(uid); 7492 DevicePolicyData policy = getUserData(userHandle); 7493 synchronized (this) { 7494 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 7495 String lockTaskPackage = policy.mLockTaskPackages.get(i); 7496 7497 // If the given package equals one of the packages stored our list, 7498 // we allow this package to start lock task mode. 7499 if (lockTaskPackage.equals(pkg)) { 7500 return true; 7501 } 7502 } 7503 } 7504 return false; 7505 } 7506 7507 @Override 7508 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 7509 if (!isCallerWithSystemUid()) { 7510 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 7511 } 7512 synchronized (this) { 7513 final DevicePolicyData policy = getUserData(userHandle); 7514 Bundle adminExtras = new Bundle(); 7515 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 7516 for (ActiveAdmin admin : policy.mAdminList) { 7517 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 7518 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 7519 if (ownsDevice || ownsProfile) { 7520 if (isEnabled) { 7521 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 7522 adminExtras, null); 7523 } else { 7524 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 7525 } 7526 } 7527 } 7528 } 7529 } 7530 7531 @Override 7532 public void setGlobalSetting(ComponentName who, String setting, String value) { 7533 Preconditions.checkNotNull(who, "ComponentName is null"); 7534 7535 synchronized (this) { 7536 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7537 7538 // Some settings are no supported any more. However we do not want to throw a 7539 // SecurityException to avoid breaking apps. 7540 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 7541 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 7542 return; 7543 } 7544 7545 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 7546 throw new SecurityException(String.format( 7547 "Permission denial: device owners cannot update %1$s", setting)); 7548 } 7549 7550 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 7551 // ignore if it contradicts an existing policy 7552 long timeMs = getMaximumTimeToLock( 7553 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 7554 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 7555 return; 7556 } 7557 } 7558 7559 long id = mInjector.binderClearCallingIdentity(); 7560 try { 7561 mInjector.settingsGlobalPutString(setting, value); 7562 } finally { 7563 mInjector.binderRestoreCallingIdentity(id); 7564 } 7565 } 7566 } 7567 7568 @Override 7569 public void setSecureSetting(ComponentName who, String setting, String value) { 7570 Preconditions.checkNotNull(who, "ComponentName is null"); 7571 int callingUserId = mInjector.userHandleGetCallingUserId(); 7572 7573 synchronized (this) { 7574 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7575 7576 if (isDeviceOwner(who, callingUserId)) { 7577 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 7578 throw new SecurityException(String.format( 7579 "Permission denial: Device owners cannot update %1$s", setting)); 7580 } 7581 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 7582 throw new SecurityException(String.format( 7583 "Permission denial: Profile owners cannot update %1$s", setting)); 7584 } 7585 7586 long id = mInjector.binderClearCallingIdentity(); 7587 try { 7588 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 7589 } finally { 7590 mInjector.binderRestoreCallingIdentity(id); 7591 } 7592 } 7593 } 7594 7595 @Override 7596 public void setMasterVolumeMuted(ComponentName who, boolean on) { 7597 Preconditions.checkNotNull(who, "ComponentName is null"); 7598 synchronized (this) { 7599 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7600 int userId = UserHandle.getCallingUserId(); 7601 long identity = mInjector.binderClearCallingIdentity(); 7602 try { 7603 IAudioService iAudioService = IAudioService.Stub.asInterface( 7604 ServiceManager.getService(Context.AUDIO_SERVICE)); 7605 iAudioService.setMasterMute(on, 0, mContext.getPackageName(), userId); 7606 } catch (RemoteException re) { 7607 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 7608 } finally { 7609 mInjector.binderRestoreCallingIdentity(identity); 7610 } 7611 } 7612 } 7613 7614 @Override 7615 public boolean isMasterVolumeMuted(ComponentName who) { 7616 Preconditions.checkNotNull(who, "ComponentName is null"); 7617 synchronized (this) { 7618 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7619 7620 AudioManager audioManager = 7621 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 7622 return audioManager.isMasterMute(); 7623 } 7624 } 7625 7626 @Override 7627 public void setUserIcon(ComponentName who, Bitmap icon) { 7628 synchronized (this) { 7629 Preconditions.checkNotNull(who, "ComponentName is null"); 7630 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7631 7632 int userId = UserHandle.getCallingUserId(); 7633 long id = mInjector.binderClearCallingIdentity(); 7634 try { 7635 mUserManagerInternal.setUserIcon(userId, icon); 7636 } finally { 7637 mInjector.binderRestoreCallingIdentity(id); 7638 } 7639 } 7640 } 7641 7642 @Override 7643 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 7644 Preconditions.checkNotNull(who, "ComponentName is null"); 7645 synchronized (this) { 7646 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7647 } 7648 final int userId = UserHandle.getCallingUserId(); 7649 7650 long ident = mInjector.binderClearCallingIdentity(); 7651 try { 7652 // disallow disabling the keyguard if a password is currently set 7653 if (disabled && mLockPatternUtils.isSecure(userId)) { 7654 return false; 7655 } 7656 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 7657 } finally { 7658 mInjector.binderRestoreCallingIdentity(ident); 7659 } 7660 return true; 7661 } 7662 7663 @Override 7664 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 7665 int userId = UserHandle.getCallingUserId(); 7666 synchronized (this) { 7667 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7668 DevicePolicyData policy = getUserData(userId); 7669 if (policy.mStatusBarDisabled != disabled) { 7670 if (!setStatusBarDisabledInternal(disabled, userId)) { 7671 return false; 7672 } 7673 policy.mStatusBarDisabled = disabled; 7674 saveSettingsLocked(userId); 7675 } 7676 } 7677 return true; 7678 } 7679 7680 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 7681 long ident = mInjector.binderClearCallingIdentity(); 7682 try { 7683 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 7684 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 7685 if (statusBarService != null) { 7686 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 7687 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 7688 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 7689 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 7690 return true; 7691 } 7692 } catch (RemoteException e) { 7693 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 7694 } finally { 7695 mInjector.binderRestoreCallingIdentity(ident); 7696 } 7697 return false; 7698 } 7699 7700 /** 7701 * We need to update the internal state of whether a user has completed setup once. After 7702 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 7703 * as we don't trust any apps that might try to reset it. 7704 * <p> 7705 * Unfortunately, we don't know which user's setup state was changed, so we write all of 7706 * them. 7707 */ 7708 void updateUserSetupComplete() { 7709 List<UserInfo> users = mUserManager.getUsers(true); 7710 final int N = users.size(); 7711 for (int i = 0; i < N; i++) { 7712 int userHandle = users.get(i).id; 7713 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 7714 userHandle) != 0) { 7715 DevicePolicyData policy = getUserData(userHandle); 7716 if (!policy.mUserSetupComplete) { 7717 policy.mUserSetupComplete = true; 7718 synchronized (this) { 7719 saveSettingsLocked(userHandle); 7720 } 7721 } 7722 } 7723 } 7724 } 7725 7726 private class SetupContentObserver extends ContentObserver { 7727 7728 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 7729 Settings.Secure.USER_SETUP_COMPLETE); 7730 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 7731 Settings.Global.DEVICE_PROVISIONED); 7732 7733 public SetupContentObserver(Handler handler) { 7734 super(handler); 7735 } 7736 7737 void register(ContentResolver resolver) { 7738 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 7739 resolver.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 7740 } 7741 7742 @Override 7743 public void onChange(boolean selfChange, Uri uri) { 7744 if (mUserSetupComplete.equals(uri)) { 7745 updateUserSetupComplete(); 7746 } else if (mDeviceProvisioned.equals(uri)) { 7747 synchronized (DevicePolicyManagerService.this) { 7748 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 7749 // is delayed until device is marked as provisioned. 7750 setDeviceOwnerSystemPropertyLocked(); 7751 } 7752 } 7753 } 7754 } 7755 7756 @VisibleForTesting 7757 final class LocalService extends DevicePolicyManagerInternal { 7758 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 7759 7760 @Override 7761 public List<String> getCrossProfileWidgetProviders(int profileId) { 7762 synchronized (DevicePolicyManagerService.this) { 7763 if (mOwners == null) { 7764 return Collections.emptyList(); 7765 } 7766 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 7767 if (ownerComponent == null) { 7768 return Collections.emptyList(); 7769 } 7770 7771 DevicePolicyData policy = getUserDataUnchecked(profileId); 7772 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 7773 7774 if (admin == null || admin.crossProfileWidgetProviders == null 7775 || admin.crossProfileWidgetProviders.isEmpty()) { 7776 return Collections.emptyList(); 7777 } 7778 7779 return admin.crossProfileWidgetProviders; 7780 } 7781 } 7782 7783 @Override 7784 public void addOnCrossProfileWidgetProvidersChangeListener( 7785 OnCrossProfileWidgetProvidersChangeListener listener) { 7786 synchronized (DevicePolicyManagerService.this) { 7787 if (mWidgetProviderListeners == null) { 7788 mWidgetProviderListeners = new ArrayList<>(); 7789 } 7790 if (!mWidgetProviderListeners.contains(listener)) { 7791 mWidgetProviderListeners.add(listener); 7792 } 7793 } 7794 } 7795 7796 @Override 7797 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 7798 synchronized(DevicePolicyManagerService.this) { 7799 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 7800 } 7801 } 7802 7803 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 7804 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 7805 synchronized (DevicePolicyManagerService.this) { 7806 listeners = new ArrayList<>(mWidgetProviderListeners); 7807 } 7808 final int listenerCount = listeners.size(); 7809 for (int i = 0; i < listenerCount; i++) { 7810 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 7811 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 7812 } 7813 } 7814 7815 @Override 7816 public boolean hasDeviceOwnerOrProfileOwner(String packageName, int userId) { 7817 if (!mHasFeature || packageName == null) { 7818 return false; 7819 } 7820 if (userId < 0) { 7821 throw new UnsupportedOperationException("userId should be >= 0"); 7822 } 7823 synchronized (DevicePolicyManagerService.this) { 7824 if (packageName.equals(mOwners.getProfileOwnerPackage(userId))) { 7825 return true; 7826 } 7827 if (userId == mOwners.getDeviceOwnerUserId() 7828 && packageName.equals(mOwners.getDeviceOwnerPackageName())) { 7829 return true; 7830 } 7831 } 7832 return false; 7833 } 7834 } 7835 7836 /** 7837 * Returns true if specified admin is allowed to limit passwords and has a 7838 * {@code passwordQuality} of at least {@code minPasswordQuality} 7839 */ 7840 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 7841 if (admin.passwordQuality < minPasswordQuality) { 7842 return false; 7843 } 7844 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 7845 } 7846 7847 @Override 7848 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 7849 if (policy != null && !policy.isValid()) { 7850 throw new IllegalArgumentException("Invalid system update policy."); 7851 } 7852 synchronized (this) { 7853 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7854 if (policy == null) { 7855 mOwners.clearSystemUpdatePolicy(); 7856 } else { 7857 mOwners.setSystemUpdatePolicy(policy); 7858 } 7859 mOwners.writeDeviceOwner(); 7860 } 7861 mContext.sendBroadcastAsUser( 7862 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 7863 UserHandle.SYSTEM); 7864 } 7865 7866 @Override 7867 public SystemUpdatePolicy getSystemUpdatePolicy() { 7868 synchronized (this) { 7869 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 7870 if (policy != null && !policy.isValid()) { 7871 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 7872 return null; 7873 } 7874 return policy; 7875 } 7876 } 7877 7878 /** 7879 * Checks if the caller of the method is the device owner app. 7880 * 7881 * @param callerUid UID of the caller. 7882 * @return true if the caller is the device owner app 7883 */ 7884 @VisibleForTesting 7885 boolean isCallerDeviceOwner(int callerUid) { 7886 synchronized (this) { 7887 if (!mOwners.hasDeviceOwner()) { 7888 return false; 7889 } 7890 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 7891 return false; 7892 } 7893 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 7894 .getPackageName(); 7895 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 7896 7897 for (String pkg : pkgs) { 7898 if (deviceOwnerPackageName.equals(pkg)) { 7899 return true; 7900 } 7901 } 7902 } 7903 7904 return false; 7905 } 7906 7907 @Override 7908 public void notifyPendingSystemUpdate(long updateReceivedTime) { 7909 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 7910 "Only the system update service can broadcast update information"); 7911 7912 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 7913 Slog.w(LOG_TAG, "Only the system update service in the system user " + 7914 "can broadcast update information."); 7915 return; 7916 } 7917 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 7918 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 7919 updateReceivedTime); 7920 7921 synchronized (this) { 7922 final String deviceOwnerPackage = 7923 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 7924 : null; 7925 if (deviceOwnerPackage == null) { 7926 return; 7927 } 7928 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 7929 7930 ActivityInfo[] receivers = null; 7931 try { 7932 receivers = mContext.getPackageManager().getPackageInfo( 7933 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 7934 } catch (NameNotFoundException e) { 7935 Log.e(LOG_TAG, "Cannot find device owner package", e); 7936 } 7937 if (receivers != null) { 7938 long ident = mInjector.binderClearCallingIdentity(); 7939 try { 7940 for (int i = 0; i < receivers.length; i++) { 7941 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 7942 intent.setComponent(new ComponentName(deviceOwnerPackage, 7943 receivers[i].name)); 7944 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 7945 } 7946 } 7947 } finally { 7948 mInjector.binderRestoreCallingIdentity(ident); 7949 } 7950 } 7951 } 7952 } 7953 7954 @Override 7955 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 7956 int userId = UserHandle.getCallingUserId(); 7957 synchronized (this) { 7958 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7959 DevicePolicyData userPolicy = getUserData(userId); 7960 if (userPolicy.mPermissionPolicy != policy) { 7961 userPolicy.mPermissionPolicy = policy; 7962 saveSettingsLocked(userId); 7963 } 7964 } 7965 } 7966 7967 @Override 7968 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 7969 int userId = UserHandle.getCallingUserId(); 7970 synchronized (this) { 7971 DevicePolicyData userPolicy = getUserData(userId); 7972 return userPolicy.mPermissionPolicy; 7973 } 7974 } 7975 7976 @Override 7977 public boolean setPermissionGrantState(ComponentName admin, String packageName, 7978 String permission, int grantState) throws RemoteException { 7979 UserHandle user = mInjector.binderGetCallingUserHandle(); 7980 synchronized (this) { 7981 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7982 long ident = mInjector.binderClearCallingIdentity(); 7983 try { 7984 if (getTargetSdk(packageName, user.getIdentifier()) 7985 < android.os.Build.VERSION_CODES.M) { 7986 return false; 7987 } 7988 final PackageManager packageManager = mContext.getPackageManager(); 7989 switch (grantState) { 7990 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 7991 packageManager.grantRuntimePermission(packageName, permission, user); 7992 packageManager.updatePermissionFlags(permission, packageName, 7993 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 7994 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 7995 } break; 7996 7997 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 7998 packageManager.revokeRuntimePermission(packageName, 7999 permission, user); 8000 packageManager.updatePermissionFlags(permission, packageName, 8001 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8002 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8003 } break; 8004 8005 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8006 packageManager.updatePermissionFlags(permission, packageName, 8007 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8008 } break; 8009 } 8010 return true; 8011 } catch (SecurityException se) { 8012 return false; 8013 } finally { 8014 mInjector.binderRestoreCallingIdentity(ident); 8015 } 8016 } 8017 } 8018 8019 @Override 8020 public int getPermissionGrantState(ComponentName admin, String packageName, 8021 String permission) throws RemoteException { 8022 PackageManager packageManager = mContext.getPackageManager(); 8023 8024 UserHandle user = mInjector.binderGetCallingUserHandle(); 8025 synchronized (this) { 8026 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8027 long ident = mInjector.binderClearCallingIdentity(); 8028 try { 8029 int granted = mIPackageManager.checkPermission(permission, 8030 packageName, user.getIdentifier()); 8031 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8032 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8033 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8034 // Not controlled by policy 8035 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8036 } else { 8037 // Policy controlled so return result based on permission grant state 8038 return granted == PackageManager.PERMISSION_GRANTED 8039 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8040 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8041 } 8042 } finally { 8043 mInjector.binderRestoreCallingIdentity(ident); 8044 } 8045 } 8046 } 8047 8048 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8049 try { 8050 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8051 userHandle); 8052 return (pi != null) && (pi.applicationInfo.flags != 0); 8053 } catch (RemoteException re) { 8054 throw new RuntimeException("Package manager has died", re); 8055 } 8056 } 8057 8058 @Override 8059 public boolean isProvisioningAllowed(String action) { 8060 if (!mHasFeature) { 8061 return false; 8062 } 8063 8064 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8065 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 8066 if (!hasFeatureManagedUsers()) { 8067 return false; 8068 } 8069 synchronized (this) { 8070 if (mOwners.hasDeviceOwner()) { 8071 if (!mInjector.userManagerIsSplitSystemUser()) { 8072 // Only split-system-user systems support managed-profiles in combination with 8073 // device-owner. 8074 return false; 8075 } 8076 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 8077 // Only system device-owner supports managed-profiles. Non-system device-owner 8078 // doesn't. 8079 return false; 8080 } 8081 if (callingUserId == UserHandle.USER_SYSTEM) { 8082 // Managed-profiles cannot be setup on the system user, only regular users. 8083 return false; 8084 } 8085 } 8086 } 8087 if (getProfileOwner(callingUserId) != null) { 8088 // Managed user cannot have a managed profile. 8089 return false; 8090 } 8091 final long ident = mInjector.binderClearCallingIdentity(); 8092 try { 8093 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 8094 return false; 8095 } 8096 } finally { 8097 mInjector.binderRestoreCallingIdentity(ident); 8098 } 8099 return true; 8100 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 8101 return isDeviceOwnerProvisioningAllowed(callingUserId); 8102 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 8103 if (!hasFeatureManagedUsers()) { 8104 return false; 8105 } 8106 if (!mInjector.userManagerIsSplitSystemUser()) { 8107 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 8108 return false; 8109 } 8110 if (callingUserId == UserHandle.USER_SYSTEM) { 8111 // System user cannot be a managed user. 8112 return false; 8113 } 8114 if (hasUserSetupCompleted(callingUserId)) { 8115 return false; 8116 } 8117 return true; 8118 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 8119 if (!mInjector.userManagerIsSplitSystemUser()) { 8120 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 8121 return false; 8122 } 8123 return isDeviceOwnerProvisioningAllowed(callingUserId); 8124 } 8125 throw new IllegalArgumentException("Unknown provisioning action " + action); 8126 } 8127 8128 /* 8129 * The device owner can only be set before the setup phase of the primary user has completed, 8130 * except for adb command if no accounts or additional users are present on the device. 8131 */ 8132 private synchronized @DeviceOwnerPreConditionCode int checkSetDeviceOwnerPreCondition( 8133 int deviceOwnerUserId, boolean isAdb) { 8134 if (mOwners.hasDeviceOwner()) { 8135 return CODE_HAS_DEVICE_OWNER; 8136 } 8137 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8138 return CODE_USER_HAS_PROFILE_OWNER; 8139 } 8140 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8141 return CODE_USER_NOT_RUNNING; 8142 } 8143 if (isAdb) { 8144 // if shell command runs after user setup completed check device status. Otherwise, OK. 8145 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8146 if (!mInjector.userManagerIsSplitSystemUser()) { 8147 if (mUserManager.getUserCount() > 1) { 8148 return CODE_NONSYSTEM_USER_EXISTS; 8149 } 8150 if (AccountManager.get(mContext).getAccounts().length > 0) { 8151 return CODE_ACCOUNTS_NOT_EMPTY; 8152 } 8153 } else { 8154 // STOPSHIP Do proper check in split user mode 8155 } 8156 } 8157 return CODE_OK; 8158 } else { 8159 if (!mInjector.userManagerIsSplitSystemUser()) { 8160 // In non-split user mode, DO has to be user 0 8161 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8162 return CODE_NOT_SYSTEM_USER; 8163 } 8164 // In non-split user mode, only provision DO before setup wizard completes 8165 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8166 return CODE_USER_SETUP_COMPLETED; 8167 } 8168 } else { 8169 // STOPSHIP Do proper check in split user mode 8170 } 8171 return CODE_OK; 8172 } 8173 } 8174 8175 private boolean isDeviceOwnerProvisioningAllowed(int deviceOwnerUserId) { 8176 return CODE_OK == checkSetDeviceOwnerPreCondition(deviceOwnerUserId, /* isAdb */ false); 8177 } 8178 8179 private boolean hasFeatureManagedUsers() { 8180 try { 8181 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 8182 } catch (RemoteException e) { 8183 return false; 8184 } 8185 } 8186 8187 @Override 8188 public String getWifiMacAddress(ComponentName admin) { 8189 // Make sure caller has DO. 8190 synchronized (this) { 8191 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8192 } 8193 8194 final long ident = mInjector.binderClearCallingIdentity(); 8195 try { 8196 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 8197 if (wifiInfo == null) { 8198 return null; 8199 } 8200 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 8201 } finally { 8202 mInjector.binderRestoreCallingIdentity(ident); 8203 } 8204 } 8205 8206 /** 8207 * Returns the target sdk version number that the given packageName was built for 8208 * in the given user. 8209 */ 8210 private int getTargetSdk(String packageName, int userId) throws RemoteException { 8211 final ApplicationInfo ai = mIPackageManager 8212 .getApplicationInfo(packageName, 0, userId); 8213 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 8214 return targetSdkVersion; 8215 } 8216 8217 @Override 8218 public boolean isManagedProfile(ComponentName admin) { 8219 synchronized (this) { 8220 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8221 } 8222 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8223 final UserInfo user = getUserInfo(callingUserId); 8224 return user != null && user.isManagedProfile(); 8225 } 8226 8227 @Override 8228 public boolean isSystemOnlyUser(ComponentName admin) { 8229 synchronized (this) { 8230 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8231 } 8232 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8233 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 8234 } 8235 8236 @Override 8237 public void reboot(ComponentName admin) { 8238 Preconditions.checkNotNull(admin); 8239 // Make sure caller has DO. 8240 synchronized (this) { 8241 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8242 } 8243 long ident = mInjector.binderClearCallingIdentity(); 8244 try { 8245 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 8246 } finally { 8247 mInjector.binderRestoreCallingIdentity(ident); 8248 } 8249 } 8250 8251 @Override 8252 public void setShortSupportMessage(@NonNull ComponentName who, String message) { 8253 if (!mHasFeature) { 8254 return; 8255 } 8256 Preconditions.checkNotNull(who, "ComponentName is null"); 8257 final int userHandle = mInjector.userHandleGetCallingUserId(); 8258 synchronized (this) { 8259 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8260 mInjector.binderGetCallingUid()); 8261 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 8262 admin.shortSupportMessage = message; 8263 saveSettingsLocked(userHandle); 8264 } 8265 } 8266 } 8267 8268 @Override 8269 public String getShortSupportMessage(@NonNull ComponentName who) { 8270 if (!mHasFeature) { 8271 return null; 8272 } 8273 Preconditions.checkNotNull(who, "ComponentName is null"); 8274 synchronized (this) { 8275 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8276 mInjector.binderGetCallingUid()); 8277 return admin.shortSupportMessage; 8278 } 8279 } 8280 8281 @Override 8282 public void setLongSupportMessage(@NonNull ComponentName who, String message) { 8283 if (!mHasFeature) { 8284 return; 8285 } 8286 Preconditions.checkNotNull(who, "ComponentName is null"); 8287 final int userHandle = mInjector.userHandleGetCallingUserId(); 8288 synchronized (this) { 8289 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8290 mInjector.binderGetCallingUid()); 8291 if (!TextUtils.equals(admin.longSupportMessage, message)) { 8292 admin.longSupportMessage = message; 8293 saveSettingsLocked(userHandle); 8294 } 8295 } 8296 } 8297 8298 @Override 8299 public String getLongSupportMessage(@NonNull ComponentName who) { 8300 if (!mHasFeature) { 8301 return null; 8302 } 8303 Preconditions.checkNotNull(who, "ComponentName is null"); 8304 synchronized (this) { 8305 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8306 mInjector.binderGetCallingUid()); 8307 return admin.longSupportMessage; 8308 } 8309 } 8310 8311 @Override 8312 public String getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8313 if (!mHasFeature) { 8314 return null; 8315 } 8316 Preconditions.checkNotNull(who, "ComponentName is null"); 8317 if (!isCallerWithSystemUid()) { 8318 throw new SecurityException("Only the system can query support message for user"); 8319 } 8320 synchronized (this) { 8321 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8322 if (admin != null) { 8323 return admin.shortSupportMessage; 8324 } 8325 } 8326 return null; 8327 } 8328 8329 @Override 8330 public String getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8331 if (!mHasFeature) { 8332 return null; 8333 } 8334 Preconditions.checkNotNull(who, "ComponentName is null"); 8335 if (!isCallerWithSystemUid()) { 8336 throw new SecurityException("Only the system can query support message for user"); 8337 } 8338 synchronized (this) { 8339 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8340 if (admin != null) { 8341 return admin.longSupportMessage; 8342 } 8343 } 8344 return null; 8345 } 8346 8347 @Override 8348 public void setOrganizationColor(@NonNull ComponentName who, int color) { 8349 if (!mHasFeature) { 8350 return; 8351 } 8352 Preconditions.checkNotNull(who, "ComponentName is null"); 8353 final int userHandle = mInjector.userHandleGetCallingUserId(); 8354 enforceManagedProfile(userHandle, "set organization color"); 8355 synchronized (this) { 8356 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8357 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8358 admin.organizationColor = color; 8359 saveSettingsLocked(userHandle); 8360 } 8361 } 8362 8363 @Override 8364 public void setOrganizationColorForUser(int color, int userId) { 8365 if (!mHasFeature) { 8366 return; 8367 } 8368 enforceFullCrossUsersPermission(userId); 8369 enforceManageUsers(); 8370 enforceManagedProfile(userId, "set organization color"); 8371 synchronized (this) { 8372 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8373 admin.organizationColor = color; 8374 saveSettingsLocked(userId); 8375 } 8376 } 8377 8378 @Override 8379 public int getOrganizationColor(@NonNull ComponentName who) { 8380 if (!mHasFeature) { 8381 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8382 } 8383 Preconditions.checkNotNull(who, "ComponentName is null"); 8384 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 8385 synchronized (this) { 8386 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8387 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8388 return admin.organizationColor; 8389 } 8390 } 8391 8392 @Override 8393 public int getOrganizationColorForUser(int userHandle) { 8394 if (!mHasFeature) { 8395 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8396 } 8397 enforceFullCrossUsersPermission(userHandle); 8398 enforceManagedProfile(userHandle, "get organization color"); 8399 synchronized (this) { 8400 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8401 return (profileOwner != null) 8402 ? profileOwner.organizationColor 8403 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 8404 } 8405 } 8406 8407 @Override 8408 public void setOrganizationName(@NonNull ComponentName who, String text) { 8409 if (!mHasFeature) { 8410 return; 8411 } 8412 Preconditions.checkNotNull(who, "ComponentName is null"); 8413 final int userHandle = mInjector.userHandleGetCallingUserId(); 8414 enforceManagedProfile(userHandle, "set organization name"); 8415 synchronized (this) { 8416 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8417 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8418 if (!TextUtils.equals(admin.organizationName, text)) { 8419 admin.organizationName = TextUtils.nullIfEmpty(text); 8420 saveSettingsLocked(userHandle); 8421 } 8422 } 8423 } 8424 8425 @Override 8426 public String getOrganizationName(@NonNull ComponentName who) { 8427 if (!mHasFeature) { 8428 return null; 8429 } 8430 Preconditions.checkNotNull(who, "ComponentName is null"); 8431 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 8432 synchronized(this) { 8433 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8434 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8435 return admin.organizationName; 8436 } 8437 } 8438 8439 @Override 8440 public String getOrganizationNameForUser(int userHandle) { 8441 if (!mHasFeature) { 8442 return null; 8443 } 8444 enforceFullCrossUsersPermission(userHandle); 8445 enforceManagedProfile(userHandle, "get organization name"); 8446 synchronized (this) { 8447 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8448 return (profileOwner != null) 8449 ? profileOwner.organizationName 8450 : null; 8451 } 8452 } 8453 8454 @Override 8455 public void setAffiliationIds(ComponentName admin, List<String> ids) { 8456 final Set<String> affiliationIds = new ArraySet<String>(ids); 8457 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8458 8459 synchronized (this) { 8460 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8461 getUserData(callingUserId).mAffiliationIds = affiliationIds; 8462 saveSettingsLocked(callingUserId); 8463 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 8464 // Affiliation ids specified by the device owner are additionally stored in 8465 // UserHandle.USER_SYSTEM's DevicePolicyData. 8466 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 8467 saveSettingsLocked(UserHandle.USER_SYSTEM); 8468 } 8469 } 8470 } 8471 8472 @Override 8473 public boolean isAffiliatedUser() { 8474 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8475 8476 synchronized (this) { 8477 if (mOwners.getDeviceOwnerUserId() == callingUserId) { 8478 // The user that the DO is installed on is always affiliated. 8479 return true; 8480 } 8481 final ComponentName profileOwner = getProfileOwner(callingUserId); 8482 if (profileOwner == null 8483 || !profileOwner.getPackageName().equals(mOwners.getDeviceOwnerPackageName())) { 8484 return false; 8485 } 8486 final Set<String> userAffiliationIds = getUserData(callingUserId).mAffiliationIds; 8487 final Set<String> deviceAffiliationIds = 8488 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 8489 for (String id : userAffiliationIds) { 8490 if (deviceAffiliationIds.contains(id)) { 8491 return true; 8492 } 8493 } 8494 } 8495 return false; 8496 } 8497 8498 private synchronized void disableDeviceLoggingIfNotCompliant() { 8499 if (!isDeviceOwnerManagedSingleUserDevice()) { 8500 mInjector.securityLogSetLoggingEnabledProperty(false); 8501 Slog.w(LOG_TAG, "Device logging turned off as it's no longer a single user device."); 8502 } 8503 } 8504 8505 @Override 8506 public void setDeviceLoggingEnabled(ComponentName admin, boolean enabled) { 8507 Preconditions.checkNotNull(admin); 8508 ensureDeviceOwnerManagingSingleUser(admin); 8509 8510 synchronized (this) { 8511 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 8512 return; 8513 } 8514 mInjector.securityLogSetLoggingEnabledProperty(enabled); 8515 if (enabled) { 8516 mSecurityLogMonitor.start(); 8517 } else { 8518 mSecurityLogMonitor.stop(); 8519 } 8520 } 8521 } 8522 8523 @Override 8524 public boolean getDeviceLoggingEnabled(ComponentName admin) { 8525 Preconditions.checkNotNull(admin); 8526 synchronized (this) { 8527 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8528 return mInjector.securityLogGetLoggingEnabledProperty(); 8529 } 8530 } 8531 8532 @Override 8533 public ParceledListSlice<SecurityEvent> retrievePreviousDeviceLogs(ComponentName admin) { 8534 Preconditions.checkNotNull(admin); 8535 ensureDeviceOwnerManagingSingleUser(admin); 8536 8537 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 8538 try { 8539 SecurityLog.readPreviousEvents(output); 8540 return new ParceledListSlice<SecurityEvent>(output); 8541 } catch (IOException e) { 8542 Slog.w(LOG_TAG, "Fail to read previous events" , e); 8543 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 8544 } 8545 } 8546 8547 @Override 8548 public ParceledListSlice<SecurityEvent> retrieveDeviceLogs(ComponentName admin) { 8549 Preconditions.checkNotNull(admin); 8550 ensureDeviceOwnerManagingSingleUser(admin); 8551 8552 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 8553 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 8554 } 8555 8556 private void enforceCanManageDeviceAdmin() { 8557 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 8558 null); 8559 } 8560 8561 @Override 8562 public boolean isUninstallInQueue(final String packageName) { 8563 enforceCanManageDeviceAdmin(); 8564 final int userId = mInjector.userHandleGetCallingUserId(); 8565 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8566 synchronized (this) { 8567 return mPackagesToRemove.contains(packageUserPair); 8568 } 8569 } 8570 8571 @Override 8572 public void uninstallPackageWithActiveAdmins(final String packageName) { 8573 enforceCanManageDeviceAdmin(); 8574 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 8575 8576 final int userId = mInjector.userHandleGetCallingUserId(); 8577 8578 enforceUserUnlocked(userId); 8579 8580 final ComponentName profileOwner = getProfileOwner(userId); 8581 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 8582 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 8583 } 8584 8585 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 8586 if (getDeviceOwnerUserId() == userId && deviceOwner != null 8587 && packageName.equals(deviceOwner.getPackageName())) { 8588 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 8589 } 8590 8591 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8592 synchronized (this) { 8593 mPackagesToRemove.add(packageUserPair); 8594 } 8595 8596 // All active admins on the user. 8597 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 8598 8599 // Active admins in the target package. 8600 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 8601 if (allActiveAdmins != null) { 8602 for (ComponentName activeAdmin : allActiveAdmins) { 8603 if (packageName.equals(activeAdmin.getPackageName())) { 8604 packageActiveAdmins.add(activeAdmin); 8605 removeActiveAdmin(activeAdmin, userId); 8606 } 8607 } 8608 } 8609 if (packageActiveAdmins.size() == 0) { 8610 startUninstallIntent(packageName, userId); 8611 } else { 8612 mHandler.postDelayed(new Runnable() { 8613 @Override 8614 public void run() { 8615 for (ComponentName activeAdmin : packageActiveAdmins) { 8616 removeAdminArtifacts(activeAdmin, userId); 8617 } 8618 startUninstallIntent(packageName, userId); 8619 } 8620 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 8621 } 8622 } 8623 8624 private void removePackageIfRequired(final String packageName, final int userId) { 8625 if (!packageHasActiveAdmins(packageName, userId)) { 8626 // Will not do anything if uninstall was not requested or was already started. 8627 startUninstallIntent(packageName, userId); 8628 } 8629 } 8630 8631 private void startUninstallIntent(final String packageName, final int userId) { 8632 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8633 synchronized (this) { 8634 if (!mPackagesToRemove.contains(packageUserPair)) { 8635 // Do nothing if uninstall was not requested or was already started. 8636 return; 8637 } 8638 mPackagesToRemove.remove(packageUserPair); 8639 } 8640 try { 8641 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 8642 // Package does not exist. Nothing to do. 8643 return; 8644 } 8645 } catch (RemoteException re) { 8646 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 8647 } 8648 8649 try { // force stop the package before uninstalling 8650 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 8651 } catch (RemoteException re) { 8652 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 8653 } 8654 final Uri packageURI = Uri.parse("package:" + packageName); 8655 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 8656 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8657 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 8658 } 8659 8660 /** 8661 * Removes the admin from the policy. Ideally called after the admin's 8662 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 8663 * 8664 * @param adminReceiver The admin to remove 8665 * @param userHandle The user for which this admin has to be removed. 8666 */ 8667 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 8668 synchronized (this) { 8669 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 8670 if (admin == null) { 8671 return; 8672 } 8673 final DevicePolicyData policy = getUserData(userHandle); 8674 final boolean doProxyCleanup = admin.info.usesPolicy( 8675 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 8676 policy.mAdminList.remove(admin); 8677 policy.mAdminMap.remove(adminReceiver); 8678 validatePasswordOwnerLocked(policy); 8679 if (doProxyCleanup) { 8680 resetGlobalProxyLocked(policy); 8681 } 8682 saveSettingsLocked(userHandle); 8683 updateMaximumTimeToLockLocked(userHandle); 8684 policy.mRemovingAdmins.remove(adminReceiver); 8685 } 8686 // The removed admin might have disabled camera, so update user 8687 // restrictions. 8688 pushUserRestrictions(userHandle); 8689 } 8690} 8691