DevicePolicyManagerService.java revision d5896630f6a2f21da107031cab216dc93bdcd851
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.Nullable; 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 private 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 ("encrypted".equals(mInjector.systemPropertiesGet("ro.crypto.state")) 1641 && "trigger_restart_min_framework".equals( 1642 mInjector.systemPropertiesGet("vold.decrypt"))){ 1643 return; 1644 } 1645 1646 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1647 Slog.wtf(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1648 } else { 1649 if (mOwners.hasDeviceOwner()) { 1650 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1651 disableDeviceLoggingIfNotCompliant(); 1652 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1653 mSecurityLogMonitor.start(); 1654 } 1655 } else { 1656 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1657 } 1658 } 1659 } 1660 1661 private void findOwnerComponentIfNecessaryLocked() { 1662 if (!mOwners.hasDeviceOwner()) { 1663 return; 1664 } 1665 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1666 1667 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1668 return; // Already a full component name. 1669 } 1670 1671 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1672 doComponentName.getPackageName(), 1673 mOwners.getDeviceOwnerUserId()); 1674 if (doComponent == null) { 1675 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1676 } else { 1677 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1678 doComponent, 1679 mOwners.getDeviceOwnerName(), 1680 mOwners.getDeviceOwnerUserId(), 1681 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1682 mOwners.writeDeviceOwner(); 1683 if (VERBOSE_LOG) { 1684 Log.v(LOG_TAG, "Device owner component filled in"); 1685 } 1686 } 1687 } 1688 1689 /** 1690 * We didn't use to persist user restrictions for each owners but only persisted in user 1691 * manager. 1692 */ 1693 private void migrateUserRestrictionsIfNecessaryLocked() { 1694 boolean migrated = false; 1695 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1696 // except for the "system controlled" ones. 1697 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1698 if (VERBOSE_LOG) { 1699 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1700 } 1701 migrated = true; 1702 1703 // Migrate user 0 restrictions to DO. 1704 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1705 1706 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1707 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1708 1709 // Push DO user restrictions to user manager. 1710 pushUserRestrictions(UserHandle.USER_SYSTEM); 1711 1712 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1713 } 1714 1715 // Migrate for POs. 1716 1717 // The following restrictions can be set on secondary users by the device owner, so we 1718 // assume they're not from the PO. 1719 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1720 UserManager.DISALLOW_OUTGOING_CALLS, 1721 UserManager.DISALLOW_SMS); 1722 1723 for (UserInfo ui : mUserManager.getUsers()) { 1724 final int userId = ui.id; 1725 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1726 if (VERBOSE_LOG) { 1727 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1728 } 1729 migrated = true; 1730 1731 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1732 1733 final Set<String> exceptionList = 1734 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1735 1736 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1737 exceptionList, /* isDeviceOwner =*/ false); 1738 1739 // Note if a secondary user has no PO but has a DA that disables camera, we 1740 // don't get here and won't push the camera user restriction to UserManager 1741 // here. That's okay because we'll push user restrictions anyway when a user 1742 // starts. But we still do it because we want to let user manager persist 1743 // upon migration. 1744 pushUserRestrictions(userId); 1745 1746 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1747 } 1748 } 1749 if (VERBOSE_LOG && migrated) { 1750 Log.v(LOG_TAG, "User restrictions migrated."); 1751 } 1752 } 1753 1754 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1755 Set<String> exceptionList, boolean isDeviceOwner) { 1756 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1757 user.getIdentifier()); 1758 1759 final Bundle newBaseRestrictions = new Bundle(); 1760 final Bundle newOwnerRestrictions = new Bundle(); 1761 1762 for (String key : origRestrictions.keySet()) { 1763 if (!origRestrictions.getBoolean(key)) { 1764 continue; 1765 } 1766 final boolean canOwnerChange = isDeviceOwner 1767 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1768 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1769 1770 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1771 newBaseRestrictions.putBoolean(key, true); 1772 } else { 1773 newOwnerRestrictions.putBoolean(key, true); 1774 } 1775 } 1776 1777 if (VERBOSE_LOG) { 1778 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1779 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1780 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1781 } 1782 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1783 newBaseRestrictions); 1784 1785 if (admin != null) { 1786 admin.ensureUserRestrictions().clear(); 1787 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1788 } else { 1789 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1790 } 1791 saveSettingsLocked(user.getIdentifier()); 1792 } 1793 1794 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1795 final DevicePolicyData policy = getUserData(userId); 1796 final int n = policy.mAdminList.size(); 1797 ComponentName found = null; 1798 int nFound = 0; 1799 for (int i = 0; i < n; i++) { 1800 final ActiveAdmin admin = policy.mAdminList.get(i); 1801 if (packageName.equals(admin.info.getPackageName())) { 1802 // Found! 1803 if (nFound == 0) { 1804 found = admin.info.getComponent(); 1805 } 1806 nFound++; 1807 } 1808 } 1809 if (nFound > 1) { 1810 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1811 } 1812 return found; 1813 } 1814 1815 /** 1816 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1817 * reminders. Clears alarm if no expirations are configured. 1818 */ 1819 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 1820 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 1821 final long now = System.currentTimeMillis(); 1822 final long timeToExpire = expiration - now; 1823 final long alarmTime; 1824 if (expiration == 0) { 1825 // No expirations are currently configured: Cancel alarm. 1826 alarmTime = 0; 1827 } else if (timeToExpire <= 0) { 1828 // The password has already expired: Repeat every 24 hours. 1829 alarmTime = now + MS_PER_DAY; 1830 } else { 1831 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1832 // the expiration time. 1833 long alarmInterval = timeToExpire % MS_PER_DAY; 1834 if (alarmInterval == 0) { 1835 alarmInterval = MS_PER_DAY; 1836 } 1837 alarmTime = now + alarmInterval; 1838 } 1839 1840 long token = mInjector.binderClearCallingIdentity(); 1841 try { 1842 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 1843 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1844 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1845 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1846 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1847 UserHandle.of(affectedUserHandle)); 1848 am.cancel(pi); 1849 if (alarmTime != 0) { 1850 am.set(AlarmManager.RTC, alarmTime, pi); 1851 } 1852 } finally { 1853 mInjector.binderRestoreCallingIdentity(token); 1854 } 1855 } 1856 1857 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1858 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1859 if (admin != null 1860 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1861 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1862 return admin; 1863 } 1864 return null; 1865 } 1866 1867 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 1868 if (parent) { 1869 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 1870 } 1871 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1872 if (admin != null && parent) { 1873 admin = admin.getParentActiveAdmin(); 1874 } 1875 return admin; 1876 } 1877 1878 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1879 throws SecurityException { 1880 final int callingUid = mInjector.binderGetCallingUid(); 1881 1882 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1883 if (result != null) { 1884 return result; 1885 } 1886 1887 if (who != null) { 1888 final int userId = UserHandle.getUserId(callingUid); 1889 final DevicePolicyData policy = getUserData(userId); 1890 ActiveAdmin admin = policy.mAdminMap.get(who); 1891 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1892 throw new SecurityException("Admin " + admin.info.getComponent() 1893 + " does not own the device"); 1894 } 1895 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1896 throw new SecurityException("Admin " + admin.info.getComponent() 1897 + " does not own the profile"); 1898 } 1899 throw new SecurityException("Admin " + admin.info.getComponent() 1900 + " did not specify uses-policy for: " 1901 + admin.info.getTagForPolicy(reqPolicy)); 1902 } else { 1903 throw new SecurityException("No active admin owned by uid " 1904 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 1905 } 1906 } 1907 1908 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 1909 throws SecurityException { 1910 if (parent) { 1911 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 1912 "call APIs on the parent profile"); 1913 } 1914 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 1915 return parent ? admin.getParentActiveAdmin() : admin; 1916 } 1917 /** 1918 * Find the admin for the component and userId bit of the uid, then check 1919 * the admin's uid matches the uid. 1920 */ 1921 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 1922 final int userId = UserHandle.getUserId(uid); 1923 final DevicePolicyData policy = getUserData(userId); 1924 ActiveAdmin admin = policy.mAdminMap.get(who); 1925 if (admin == null) { 1926 throw new SecurityException("No active admin " + who); 1927 } 1928 if (admin.getUid() != uid) { 1929 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1930 } 1931 return admin; 1932 } 1933 1934 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1935 int uid) { 1936 // Try to find an admin which can use reqPolicy 1937 final int userId = UserHandle.getUserId(uid); 1938 final DevicePolicyData policy = getUserData(userId); 1939 if (who != null) { 1940 ActiveAdmin admin = policy.mAdminMap.get(who); 1941 if (admin == null) { 1942 throw new SecurityException("No active admin " + who); 1943 } 1944 if (admin.getUid() != uid) { 1945 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1946 } 1947 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1948 return admin; 1949 } 1950 } else { 1951 for (ActiveAdmin admin : policy.mAdminList) { 1952 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 1953 userId)) { 1954 return admin; 1955 } 1956 } 1957 } 1958 1959 return null; 1960 } 1961 1962 @VisibleForTesting 1963 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 1964 int userId) { 1965 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 1966 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 1967 1968 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1969 return ownsDevice; 1970 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1971 // DO always has the PO power. 1972 return ownsDevice || ownsProfile; 1973 } else { 1974 return admin.info.usesPolicy(reqPolicy); 1975 } 1976 } 1977 1978 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1979 sendAdminCommandLocked(admin, action, null); 1980 } 1981 1982 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1983 sendAdminCommandLocked(admin, action, null, result); 1984 } 1985 1986 /** 1987 * Send an update to one specific admin, get notified when that admin returns a result. 1988 */ 1989 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1990 BroadcastReceiver result) { 1991 Intent intent = new Intent(action); 1992 intent.setComponent(admin.info.getComponent()); 1993 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1994 intent.putExtra("expiration", admin.passwordExpirationDate); 1995 } 1996 if (adminExtras != null) { 1997 intent.putExtras(adminExtras); 1998 } 1999 if (result != null) { 2000 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2001 null, result, mHandler, Activity.RESULT_OK, null, null); 2002 } else { 2003 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2004 } 2005 } 2006 2007 /** 2008 * Send an update to all admins of a user that enforce a specified policy. 2009 */ 2010 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 2011 final DevicePolicyData policy = getUserData(userHandle); 2012 final int count = policy.mAdminList.size(); 2013 if (count > 0) { 2014 for (int i = 0; i < count; i++) { 2015 final ActiveAdmin admin = policy.mAdminList.get(i); 2016 if (admin.info.usesPolicy(reqPolicy)) { 2017 sendAdminCommandLocked(admin, action); 2018 } 2019 } 2020 } 2021 } 2022 2023 /** 2024 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2025 * enforce a specified policy. 2026 */ 2027 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2028 int userHandle) { 2029 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2030 for (UserInfo ui : profiles) { 2031 int id = ui.id; 2032 sendAdminCommandLocked(action, reqPolicy, id); 2033 } 2034 } 2035 2036 /** 2037 * Sends a broadcast to each profile that share the password unlock with the given user id. 2038 */ 2039 private void sendAdminCommandForLockscreenPoliciesLocked( 2040 String action, int reqPolicy, int userHandle) { 2041 if (isSeparateProfileChallengeEnabled(userHandle)) { 2042 sendAdminCommandLocked(action, reqPolicy, userHandle); 2043 } else { 2044 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 2045 } 2046 } 2047 2048 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2049 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2050 if (admin != null) { 2051 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 2052 sendAdminCommandLocked(admin, 2053 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2054 new BroadcastReceiver() { 2055 @Override 2056 public void onReceive(Context context, Intent intent) { 2057 removeAdminArtifacts(adminReceiver, userHandle); 2058 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2059 } 2060 }); 2061 } 2062 } 2063 2064 2065 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2066 boolean throwForMissiongPermission) { 2067 if (!mHasFeature) { 2068 return null; 2069 } 2070 enforceFullCrossUsersPermission(userHandle); 2071 ActivityInfo ai = null; 2072 try { 2073 ai = mIPackageManager.getReceiverInfo(adminName, 2074 PackageManager.GET_META_DATA | 2075 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS | 2076 PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE, userHandle); 2077 } catch (RemoteException e) { 2078 // shouldn't happen. 2079 } 2080 if (ai == null) { 2081 throw new IllegalArgumentException("Unknown admin: " + adminName); 2082 } 2083 2084 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2085 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2086 + permission.BIND_DEVICE_ADMIN; 2087 Slog.w(LOG_TAG, message); 2088 if (throwForMissiongPermission && 2089 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2090 throw new IllegalArgumentException(message); 2091 } 2092 } 2093 2094 try { 2095 return new DeviceAdminInfo(mContext, ai); 2096 } catch (XmlPullParserException | IOException e) { 2097 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2098 e); 2099 return null; 2100 } 2101 } 2102 2103 private JournaledFile makeJournaledFile(int userHandle) { 2104 final String base = userHandle == UserHandle.USER_SYSTEM 2105 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2106 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2107 DEVICE_POLICIES_XML).getAbsolutePath(); 2108 if (VERBOSE_LOG) { 2109 Log.v(LOG_TAG, "Opening " + base); 2110 } 2111 return new JournaledFile(new File(base), new File(base + ".tmp")); 2112 } 2113 2114 private void saveSettingsLocked(int userHandle) { 2115 DevicePolicyData policy = getUserData(userHandle); 2116 JournaledFile journal = makeJournaledFile(userHandle); 2117 FileOutputStream stream = null; 2118 try { 2119 stream = new FileOutputStream(journal.chooseForWrite(), false); 2120 XmlSerializer out = new FastXmlSerializer(); 2121 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2122 out.startDocument(null, true); 2123 2124 out.startTag(null, "policies"); 2125 if (policy.mRestrictionsProvider != null) { 2126 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2127 policy.mRestrictionsProvider.flattenToString()); 2128 } 2129 if (policy.mUserSetupComplete) { 2130 out.attribute(null, ATTR_SETUP_COMPLETE, 2131 Boolean.toString(true)); 2132 } 2133 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2134 out.attribute(null, ATTR_PROVISIONING_STATE, 2135 Integer.toString(policy.mUserProvisioningState)); 2136 } 2137 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2138 out.attribute(null, ATTR_PERMISSION_POLICY, 2139 Integer.toString(policy.mPermissionPolicy)); 2140 } 2141 if (policy.mDelegatedCertInstallerPackage != null) { 2142 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2143 policy.mDelegatedCertInstallerPackage); 2144 } 2145 if (policy.mApplicationRestrictionsManagingPackage != null) { 2146 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2147 policy.mApplicationRestrictionsManagingPackage); 2148 } 2149 2150 final int N = policy.mAdminList.size(); 2151 for (int i=0; i<N; i++) { 2152 ActiveAdmin ap = policy.mAdminList.get(i); 2153 if (ap != null) { 2154 out.startTag(null, "admin"); 2155 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2156 ap.writeToXml(out); 2157 out.endTag(null, "admin"); 2158 } 2159 } 2160 2161 if (policy.mPasswordOwner >= 0) { 2162 out.startTag(null, "password-owner"); 2163 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2164 out.endTag(null, "password-owner"); 2165 } 2166 2167 if (policy.mFailedPasswordAttempts != 0) { 2168 out.startTag(null, "failed-password-attempts"); 2169 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2170 out.endTag(null, "failed-password-attempts"); 2171 } 2172 2173 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 2174 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 2175 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 2176 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 2177 out.startTag(null, "active-password"); 2178 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 2179 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 2180 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 2181 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 2182 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 2183 out.attribute(null, "numeric", Integer 2184 .toString(policy.mActivePasswordNumeric)); 2185 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 2186 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 2187 out.endTag(null, "active-password"); 2188 } 2189 2190 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2191 String component = policy.mLockTaskPackages.get(i); 2192 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2193 out.attribute(null, "name", component); 2194 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2195 } 2196 2197 if (policy.mStatusBarDisabled) { 2198 out.startTag(null, TAG_STATUS_BAR); 2199 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2200 out.endTag(null, TAG_STATUS_BAR); 2201 } 2202 2203 if (policy.doNotAskCredentialsOnBoot) { 2204 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2205 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2206 } 2207 2208 for (String id : policy.mAffiliationIds) { 2209 out.startTag(null, TAG_AFFILIATION_ID); 2210 out.attribute(null, "id", id); 2211 out.endTag(null, TAG_AFFILIATION_ID); 2212 } 2213 2214 if (policy.mAdminBroadcastPending) { 2215 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2216 out.attribute(null, ATTR_VALUE, 2217 Boolean.toString(policy.mAdminBroadcastPending)); 2218 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2219 } 2220 2221 if (policy.mInitBundle != null) { 2222 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2223 policy.mInitBundle.saveToXml(out); 2224 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2225 } 2226 2227 out.endTag(null, "policies"); 2228 2229 out.endDocument(); 2230 stream.flush(); 2231 FileUtils.sync(stream); 2232 stream.close(); 2233 journal.commit(); 2234 sendChangedNotification(userHandle); 2235 } catch (XmlPullParserException | IOException e) { 2236 Slog.w(LOG_TAG, "failed writing file", e); 2237 try { 2238 if (stream != null) { 2239 stream.close(); 2240 } 2241 } catch (IOException ex) { 2242 // Ignore 2243 } 2244 journal.rollback(); 2245 } 2246 } 2247 2248 private void sendChangedNotification(int userHandle) { 2249 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2250 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2251 long ident = mInjector.binderClearCallingIdentity(); 2252 try { 2253 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2254 } finally { 2255 mInjector.binderRestoreCallingIdentity(ident); 2256 } 2257 } 2258 2259 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2260 JournaledFile journal = makeJournaledFile(userHandle); 2261 FileInputStream stream = null; 2262 File file = journal.chooseForRead(); 2263 try { 2264 stream = new FileInputStream(file); 2265 XmlPullParser parser = Xml.newPullParser(); 2266 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2267 2268 int type; 2269 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2270 && type != XmlPullParser.START_TAG) { 2271 } 2272 String tag = parser.getName(); 2273 if (!"policies".equals(tag)) { 2274 throw new XmlPullParserException( 2275 "Settings do not start with policies tag: found " + tag); 2276 } 2277 2278 // Extract the permission provider component name if available 2279 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2280 if (permissionProvider != null) { 2281 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2282 } 2283 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2284 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2285 policy.mUserSetupComplete = true; 2286 } 2287 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2288 if (!TextUtils.isEmpty(provisioningState)) { 2289 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2290 } 2291 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2292 if (!TextUtils.isEmpty(permissionPolicy)) { 2293 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2294 } 2295 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2296 ATTR_DELEGATED_CERT_INSTALLER); 2297 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2298 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2299 2300 type = parser.next(); 2301 int outerDepth = parser.getDepth(); 2302 policy.mLockTaskPackages.clear(); 2303 policy.mAdminList.clear(); 2304 policy.mAdminMap.clear(); 2305 policy.mAffiliationIds.clear(); 2306 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2307 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2308 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2309 continue; 2310 } 2311 tag = parser.getName(); 2312 if ("admin".equals(tag)) { 2313 String name = parser.getAttributeValue(null, "name"); 2314 try { 2315 DeviceAdminInfo dai = findAdmin( 2316 ComponentName.unflattenFromString(name), userHandle, 2317 /* throwForMissionPermission= */ false); 2318 if (VERBOSE_LOG 2319 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2320 != userHandle)) { 2321 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2322 + dai.getActivityInfo().applicationInfo.uid + " for user " 2323 + userHandle); 2324 } 2325 if (dai != null) { 2326 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2327 ap.readFromXml(parser); 2328 policy.mAdminMap.put(ap.info.getComponent(), ap); 2329 } 2330 } catch (RuntimeException e) { 2331 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2332 } 2333 } else if ("failed-password-attempts".equals(tag)) { 2334 policy.mFailedPasswordAttempts = Integer.parseInt( 2335 parser.getAttributeValue(null, "value")); 2336 } else if ("password-owner".equals(tag)) { 2337 policy.mPasswordOwner = Integer.parseInt( 2338 parser.getAttributeValue(null, "value")); 2339 } else if ("active-password".equals(tag)) { 2340 policy.mActivePasswordQuality = Integer.parseInt( 2341 parser.getAttributeValue(null, "quality")); 2342 policy.mActivePasswordLength = Integer.parseInt( 2343 parser.getAttributeValue(null, "length")); 2344 policy.mActivePasswordUpperCase = Integer.parseInt( 2345 parser.getAttributeValue(null, "uppercase")); 2346 policy.mActivePasswordLowerCase = Integer.parseInt( 2347 parser.getAttributeValue(null, "lowercase")); 2348 policy.mActivePasswordLetters = Integer.parseInt( 2349 parser.getAttributeValue(null, "letters")); 2350 policy.mActivePasswordNumeric = Integer.parseInt( 2351 parser.getAttributeValue(null, "numeric")); 2352 policy.mActivePasswordSymbols = Integer.parseInt( 2353 parser.getAttributeValue(null, "symbols")); 2354 policy.mActivePasswordNonLetter = Integer.parseInt( 2355 parser.getAttributeValue(null, "nonletter")); 2356 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2357 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2358 } else if (TAG_STATUS_BAR.equals(tag)) { 2359 policy.mStatusBarDisabled = Boolean.parseBoolean( 2360 parser.getAttributeValue(null, ATTR_DISABLED)); 2361 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2362 policy.doNotAskCredentialsOnBoot = true; 2363 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2364 policy.mAffiliationIds.add(parser.getAttributeValue(null, "id")); 2365 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2366 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2367 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2368 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2369 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2370 } else { 2371 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2372 XmlUtils.skipCurrentTag(parser); 2373 } 2374 } 2375 } catch (FileNotFoundException e) { 2376 // Don't be noisy, this is normal if we haven't defined any policies. 2377 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2378 | IndexOutOfBoundsException e) { 2379 Slog.w(LOG_TAG, "failed parsing " + file, e); 2380 } 2381 try { 2382 if (stream != null) { 2383 stream.close(); 2384 } 2385 } catch (IOException e) { 2386 // Ignore 2387 } 2388 2389 // Generate a list of admins from the admin map 2390 policy.mAdminList.addAll(policy.mAdminMap.values()); 2391 2392 // Validate that what we stored for the password quality matches 2393 // sufficiently what is currently set. Note that this is only 2394 // a sanity check in case the two get out of sync; this should 2395 // never normally happen. 2396 final long identity = mInjector.binderClearCallingIdentity(); 2397 try { 2398 int actualPasswordQuality = mLockPatternUtils.getActivePasswordQuality(userHandle); 2399 if (actualPasswordQuality < policy.mActivePasswordQuality) { 2400 Slog.w(LOG_TAG, "Active password quality 0x" 2401 + Integer.toHexString(policy.mActivePasswordQuality) 2402 + " does not match actual quality 0x" 2403 + Integer.toHexString(actualPasswordQuality)); 2404 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2405 policy.mActivePasswordLength = 0; 2406 policy.mActivePasswordUpperCase = 0; 2407 policy.mActivePasswordLowerCase = 0; 2408 policy.mActivePasswordLetters = 0; 2409 policy.mActivePasswordNumeric = 0; 2410 policy.mActivePasswordSymbols = 0; 2411 policy.mActivePasswordNonLetter = 0; 2412 } 2413 } finally { 2414 mInjector.binderRestoreCallingIdentity(identity); 2415 } 2416 2417 validatePasswordOwnerLocked(policy); 2418 updateMaximumTimeToLockLocked(userHandle); 2419 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2420 if (policy.mStatusBarDisabled) { 2421 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2422 } 2423 } 2424 2425 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2426 long ident = mInjector.binderClearCallingIdentity(); 2427 try { 2428 mInjector.getIActivityManager() 2429 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2430 } catch (RemoteException e) { 2431 // Not gonna happen. 2432 } finally { 2433 mInjector.binderRestoreCallingIdentity(ident); 2434 } 2435 } 2436 2437 private void updateDeviceOwnerLocked() { 2438 long ident = mInjector.binderClearCallingIdentity(); 2439 try { 2440 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2441 // user id and also protect all other DAs too. 2442 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2443 if (deviceOwnerComponent != null) { 2444 mInjector.getIActivityManager() 2445 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2446 } 2447 } catch (RemoteException e) { 2448 // Not gonna happen. 2449 } finally { 2450 mInjector.binderRestoreCallingIdentity(ident); 2451 } 2452 } 2453 2454 static void validateQualityConstant(int quality) { 2455 switch (quality) { 2456 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2457 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2458 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2459 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2460 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2461 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2462 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2463 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2464 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2465 return; 2466 } 2467 throw new IllegalArgumentException("Invalid quality constant: 0x" 2468 + Integer.toHexString(quality)); 2469 } 2470 2471 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2472 if (policy.mPasswordOwner >= 0) { 2473 boolean haveOwner = false; 2474 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2475 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2476 haveOwner = true; 2477 break; 2478 } 2479 } 2480 if (!haveOwner) { 2481 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2482 + " no longer active; disabling"); 2483 policy.mPasswordOwner = -1; 2484 } 2485 } 2486 } 2487 2488 @VisibleForTesting 2489 void systemReady(int phase) { 2490 if (!mHasFeature) { 2491 return; 2492 } 2493 switch (phase) { 2494 case SystemService.PHASE_LOCK_SETTINGS_READY: 2495 onLockSettingsReady(); 2496 break; 2497 case SystemService.PHASE_BOOT_COMPLETED: 2498 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2499 break; 2500 } 2501 } 2502 2503 private void onLockSettingsReady() { 2504 getUserData(UserHandle.USER_SYSTEM); 2505 loadOwners(); 2506 cleanUpOldUsers(); 2507 2508 onStartUser(UserHandle.USER_SYSTEM); 2509 2510 // Register an observer for watching for user setup complete. 2511 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 2512 // Initialize the user setup state, to handle the upgrade case. 2513 updateUserSetupComplete(); 2514 2515 List<String> packageList; 2516 synchronized (this) { 2517 packageList = getKeepUninstalledPackagesLocked(); 2518 } 2519 if (packageList != null) { 2520 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2521 } 2522 2523 synchronized (this) { 2524 // push the force-ephemeral-users policy to the user manager. 2525 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2526 if (deviceOwner != null) { 2527 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2528 } 2529 } 2530 } 2531 2532 private void ensureDeviceOwnerUserStarted() { 2533 final int userId; 2534 synchronized (this) { 2535 if (!mOwners.hasDeviceOwner()) { 2536 return; 2537 } 2538 userId = mOwners.getDeviceOwnerUserId(); 2539 } 2540 if (VERBOSE_LOG) { 2541 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2542 } 2543 if (userId != UserHandle.USER_SYSTEM) { 2544 try { 2545 mInjector.getIActivityManager().startUserInBackground(userId); 2546 2547 // STOPSHIP Prevent the DO user from being killed. 2548 2549 } catch (RemoteException e) { 2550 Slog.w(LOG_TAG, "Exception starting user", e); 2551 } 2552 } 2553 } 2554 2555 private void onStartUser(int userId) { 2556 updateScreenCaptureDisabledInWindowManager(userId, 2557 getScreenCaptureDisabled(null, userId)); 2558 pushUserRestrictions(userId); 2559 } 2560 2561 private void cleanUpOldUsers() { 2562 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2563 // before reboot 2564 Set<Integer> usersWithProfileOwners; 2565 Set<Integer> usersWithData; 2566 synchronized(this) { 2567 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2568 usersWithData = new ArraySet<>(); 2569 for (int i = 0; i < mUserData.size(); i++) { 2570 usersWithData.add(mUserData.keyAt(i)); 2571 } 2572 } 2573 List<UserInfo> allUsers = mUserManager.getUsers(); 2574 2575 Set<Integer> deletedUsers = new ArraySet<>(); 2576 deletedUsers.addAll(usersWithProfileOwners); 2577 deletedUsers.addAll(usersWithData); 2578 for (UserInfo userInfo : allUsers) { 2579 deletedUsers.remove(userInfo.id); 2580 } 2581 for (Integer userId : deletedUsers) { 2582 removeUserData(userId); 2583 } 2584 } 2585 2586 private void handlePasswordExpirationNotification(int userHandle) { 2587 synchronized (this) { 2588 final long now = System.currentTimeMillis(); 2589 2590 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2591 userHandle, /* parent */ false); 2592 final int N = admins.size(); 2593 for (int i = 0; i < N; i++) { 2594 ActiveAdmin admin = admins.get(i); 2595 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2596 && admin.passwordExpirationTimeout > 0L 2597 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2598 && admin.passwordExpirationDate > 0L) { 2599 sendAdminCommandLocked(admin, 2600 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2601 } 2602 } 2603 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2604 } 2605 } 2606 2607 private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { 2608 @Override 2609 protected Void doInBackground(Intent... params) { 2610 int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 2611 2612 if (userHandle == UserHandle.USER_ALL) { 2613 for (UserInfo userInfo : mUserManager.getUsers()) { 2614 manageNotification(userInfo.getUserHandle()); 2615 } 2616 } else { 2617 manageNotification(new UserHandle(userHandle)); 2618 } 2619 return null; 2620 } 2621 2622 private void manageNotification(UserHandle userHandle) { 2623 if (!mUserManager.isUserRunning(userHandle)) { 2624 return; 2625 } 2626 2627 // Call out to KeyChain to check for user-added CAs 2628 boolean hasCert = false; 2629 try { 2630 KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); 2631 try { 2632 if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { 2633 hasCert = true; 2634 } 2635 } catch (RemoteException e) { 2636 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 2637 } finally { 2638 kcs.close(); 2639 } 2640 } catch (InterruptedException e) { 2641 Thread.currentThread().interrupt(); 2642 } catch (RuntimeException e) { 2643 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 2644 } 2645 if (!hasCert) { 2646 mInjector.getNotificationManager().cancelAsUser( 2647 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2648 return; 2649 } 2650 2651 // Build and show a warning notification 2652 int smallIconId; 2653 String contentText; 2654 // TODO Why does it use the DO name? The cert APIs are all for PO. b/25772443 2655 final String ownerName = getDeviceOwnerName(); 2656 if (isManagedProfile(userHandle.getIdentifier())) { 2657 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); 2658 smallIconId = R.drawable.stat_sys_certificate_info; 2659 } else if (ownerName != null) { 2660 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); 2661 smallIconId = R.drawable.stat_sys_certificate_info; 2662 } else { 2663 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2664 smallIconId = android.R.drawable.stat_sys_warning; 2665 } 2666 2667 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2668 dialogIntent.setFlags( 2669 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2670 dialogIntent.setPackage("com.android.settings"); 2671 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2672 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 2673 2674 final Context userContext; 2675 try { 2676 userContext = mContext.createPackageContextAsUser("android", 0, userHandle); 2677 } catch (PackageManager.NameNotFoundException e) { 2678 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2679 return; 2680 } 2681 final Notification noti = new Notification.Builder(userContext) 2682 .setSmallIcon(smallIconId) 2683 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 2684 .setContentText(contentText) 2685 .setContentIntent(notifyIntent) 2686 .setPriority(Notification.PRIORITY_HIGH) 2687 .setShowWhen(false) 2688 .setColor(mContext.getColor( 2689 com.android.internal.R.color.system_notification_accent_color)) 2690 .build(); 2691 2692 mInjector.getNotificationManager().notifyAsUser( 2693 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2694 } 2695 } 2696 2697 /** 2698 * @param adminReceiver The admin to add 2699 * @param refreshing true = update an active admin, no error 2700 */ 2701 @Override 2702 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2703 if (!mHasFeature) { 2704 return; 2705 } 2706 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2707 } 2708 2709 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2710 Bundle onEnableData) { 2711 mContext.enforceCallingOrSelfPermission( 2712 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2713 enforceFullCrossUsersPermission(userHandle); 2714 2715 DevicePolicyData policy = getUserData(userHandle); 2716 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2717 /* throwForMissionPermission= */ true); 2718 if (info == null) { 2719 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2720 } 2721 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2722 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 2723 + adminReceiver); 2724 } 2725 synchronized (this) { 2726 long ident = mInjector.binderClearCallingIdentity(); 2727 try { 2728 if (!refreshing 2729 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 2730 throw new IllegalArgumentException("Admin is already added"); 2731 } 2732 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2733 policy.mAdminMap.put(adminReceiver, newAdmin); 2734 int replaceIndex = -1; 2735 final int N = policy.mAdminList.size(); 2736 for (int i=0; i < N; i++) { 2737 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2738 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2739 replaceIndex = i; 2740 break; 2741 } 2742 } 2743 if (replaceIndex == -1) { 2744 policy.mAdminList.add(newAdmin); 2745 enableIfNecessary(info.getPackageName(), userHandle); 2746 } else { 2747 policy.mAdminList.set(replaceIndex, newAdmin); 2748 } 2749 saveSettingsLocked(userHandle); 2750 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2751 onEnableData, null); 2752 } finally { 2753 mInjector.binderRestoreCallingIdentity(ident); 2754 } 2755 } 2756 } 2757 2758 @Override 2759 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2760 if (!mHasFeature) { 2761 return false; 2762 } 2763 enforceFullCrossUsersPermission(userHandle); 2764 synchronized (this) { 2765 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2766 } 2767 } 2768 2769 @Override 2770 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2771 if (!mHasFeature) { 2772 return false; 2773 } 2774 enforceFullCrossUsersPermission(userHandle); 2775 synchronized (this) { 2776 DevicePolicyData policyData = getUserData(userHandle); 2777 return policyData.mRemovingAdmins.contains(adminReceiver); 2778 } 2779 } 2780 2781 @Override 2782 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2783 if (!mHasFeature) { 2784 return false; 2785 } 2786 enforceFullCrossUsersPermission(userHandle); 2787 synchronized (this) { 2788 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2789 if (administrator == null) { 2790 throw new SecurityException("No active admin " + adminReceiver); 2791 } 2792 return administrator.info.usesPolicy(policyId); 2793 } 2794 } 2795 2796 @Override 2797 @SuppressWarnings("unchecked") 2798 public List<ComponentName> getActiveAdmins(int userHandle) { 2799 if (!mHasFeature) { 2800 return Collections.EMPTY_LIST; 2801 } 2802 2803 enforceFullCrossUsersPermission(userHandle); 2804 synchronized (this) { 2805 DevicePolicyData policy = getUserData(userHandle); 2806 final int N = policy.mAdminList.size(); 2807 if (N <= 0) { 2808 return null; 2809 } 2810 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2811 for (int i=0; i<N; i++) { 2812 res.add(policy.mAdminList.get(i).info.getComponent()); 2813 } 2814 return res; 2815 } 2816 } 2817 2818 @Override 2819 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2820 if (!mHasFeature) { 2821 return false; 2822 } 2823 enforceFullCrossUsersPermission(userHandle); 2824 synchronized (this) { 2825 DevicePolicyData policy = getUserData(userHandle); 2826 final int N = policy.mAdminList.size(); 2827 for (int i=0; i<N; i++) { 2828 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2829 return true; 2830 } 2831 } 2832 return false; 2833 } 2834 } 2835 2836 @Override 2837 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2838 if (!mHasFeature) { 2839 return; 2840 } 2841 enforceFullCrossUsersPermission(userHandle); 2842 enforceUserUnlocked(userHandle); 2843 synchronized (this) { 2844 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2845 if (admin == null) { 2846 return; 2847 } 2848 // Active device/profile owners must remain active admins. 2849 if (isDeviceOwner(adminReceiver, userHandle) 2850 || isProfileOwner(adminReceiver, userHandle)) { 2851 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 2852 adminReceiver); 2853 return; 2854 } 2855 if (admin.getUid() != mInjector.binderGetCallingUid()) { 2856 mContext.enforceCallingOrSelfPermission( 2857 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2858 } 2859 long ident = mInjector.binderClearCallingIdentity(); 2860 try { 2861 removeActiveAdminLocked(adminReceiver, userHandle); 2862 } finally { 2863 mInjector.binderRestoreCallingIdentity(ident); 2864 } 2865 } 2866 } 2867 2868 @Override 2869 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 2870 ComponentName profileOwner = getProfileOwner(userHandle); 2871 try { 2872 // Profile challenge is supported on N or newer release. 2873 return profileOwner != null && 2874 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 2875 } catch (RemoteException e) { 2876 return false; 2877 } 2878 } 2879 2880 @Override 2881 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 2882 if (!mHasFeature) { 2883 return; 2884 } 2885 Preconditions.checkNotNull(who, "ComponentName is null"); 2886 validateQualityConstant(quality); 2887 2888 synchronized (this) { 2889 ActiveAdmin ap = getActiveAdminForCallerLocked( 2890 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 2891 if (ap.passwordQuality != quality) { 2892 ap.passwordQuality = quality; 2893 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 2894 } 2895 } 2896 } 2897 2898 @Override 2899 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 2900 if (!mHasFeature) { 2901 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2902 } 2903 enforceFullCrossUsersPermission(userHandle); 2904 synchronized (this) { 2905 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2906 2907 if (who != null) { 2908 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 2909 return admin != null ? admin.passwordQuality : mode; 2910 } 2911 2912 // Return the strictest policy across all participating admins. 2913 List<ActiveAdmin> admins = 2914 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 2915 final int N = admins.size(); 2916 for (int i = 0; i < N; i++) { 2917 ActiveAdmin admin = admins.get(i); 2918 if (mode < admin.passwordQuality) { 2919 mode = admin.passwordQuality; 2920 } 2921 } 2922 return mode; 2923 } 2924 } 2925 2926 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 2927 int userHandle, boolean parent) { 2928 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 2929 // If this user has a separate challenge, only return its restrictions. 2930 return getUserDataUnchecked(userHandle).mAdminList; 2931 } else { 2932 // Return all admins for this user and the profiles that are visible from this 2933 // user that do not use a separate work challenge. 2934 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 2935 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2936 DevicePolicyData policy = getUserData(userInfo.id); 2937 if (!isManagedProfile(userInfo.id)) { 2938 admins.addAll(policy.mAdminList); 2939 } else { 2940 // For managed profiles, we always include the policies set on the parent 2941 // profile. Additionally, we include the ones set on the managed profile 2942 // if no separate challenge is in place. 2943 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 2944 final int N = policy.mAdminList.size(); 2945 for (int i = 0; i < N; i++) { 2946 ActiveAdmin admin = policy.mAdminList.get(i); 2947 if (admin.hasParentActiveAdmin()) { 2948 admins.add(admin.getParentActiveAdmin()); 2949 } 2950 if (!hasSeparateChallenge) { 2951 admins.add(admin); 2952 } 2953 } 2954 } 2955 } 2956 return admins; 2957 } 2958 } 2959 2960 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 2961 long ident = mInjector.binderClearCallingIdentity(); 2962 try { 2963 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 2964 } finally { 2965 mInjector.binderRestoreCallingIdentity(ident); 2966 } 2967 } 2968 2969 @Override 2970 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 2971 if (!mHasFeature) { 2972 return; 2973 } 2974 Preconditions.checkNotNull(who, "ComponentName is null"); 2975 synchronized (this) { 2976 ActiveAdmin ap = getActiveAdminForCallerLocked( 2977 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 2978 if (ap.minimumPasswordLength != length) { 2979 ap.minimumPasswordLength = length; 2980 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 2981 } 2982 } 2983 } 2984 2985 @Override 2986 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 2987 if (!mHasFeature) { 2988 return 0; 2989 } 2990 enforceFullCrossUsersPermission(userHandle); 2991 synchronized (this) { 2992 int length = 0; 2993 2994 if (who != null) { 2995 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 2996 return admin != null ? admin.minimumPasswordLength : length; 2997 } 2998 2999 // Return the strictest policy across all participating admins. 3000 List<ActiveAdmin> admins = 3001 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3002 final int N = admins.size(); 3003 for (int i = 0; i < N; i++) { 3004 ActiveAdmin admin = admins.get(i); 3005 if (length < admin.minimumPasswordLength) { 3006 length = admin.minimumPasswordLength; 3007 } 3008 } 3009 return length; 3010 } 3011 } 3012 3013 @Override 3014 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3015 if (!mHasFeature) { 3016 return; 3017 } 3018 Preconditions.checkNotNull(who, "ComponentName is null"); 3019 synchronized (this) { 3020 ActiveAdmin ap = getActiveAdminForCallerLocked( 3021 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3022 if (ap.passwordHistoryLength != length) { 3023 ap.passwordHistoryLength = length; 3024 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3025 } 3026 } 3027 } 3028 3029 @Override 3030 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3031 if (!mHasFeature) { 3032 return 0; 3033 } 3034 enforceFullCrossUsersPermission(userHandle); 3035 synchronized (this) { 3036 int length = 0; 3037 3038 if (who != null) { 3039 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3040 return admin != null ? admin.passwordHistoryLength : length; 3041 } 3042 3043 // Return the strictest policy across all participating admins. 3044 List<ActiveAdmin> admins = 3045 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3046 final int N = admins.size(); 3047 for (int i = 0; i < N; i++) { 3048 ActiveAdmin admin = admins.get(i); 3049 if (length < admin.passwordHistoryLength) { 3050 length = admin.passwordHistoryLength; 3051 } 3052 } 3053 3054 return length; 3055 } 3056 } 3057 3058 @Override 3059 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3060 if (!mHasFeature) { 3061 return; 3062 } 3063 Preconditions.checkNotNull(who, "ComponentName is null"); 3064 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3065 final int userHandle = mInjector.userHandleGetCallingUserId(); 3066 synchronized (this) { 3067 ActiveAdmin ap = getActiveAdminForCallerLocked( 3068 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3069 // Calling this API automatically bumps the expiration date 3070 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3071 ap.passwordExpirationDate = expiration; 3072 ap.passwordExpirationTimeout = timeout; 3073 if (timeout > 0L) { 3074 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3075 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3076 .format(new Date(expiration))); 3077 } 3078 saveSettingsLocked(userHandle); 3079 3080 // in case this is the first one, set the alarm on the appropriate user. 3081 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3082 } 3083 } 3084 3085 /** 3086 * Return a single admin's expiration cycle time, or the min of all cycle times. 3087 * Returns 0 if not configured. 3088 */ 3089 @Override 3090 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3091 if (!mHasFeature) { 3092 return 0L; 3093 } 3094 enforceFullCrossUsersPermission(userHandle); 3095 synchronized (this) { 3096 long timeout = 0L; 3097 3098 if (who != null) { 3099 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3100 return admin != null ? admin.passwordExpirationTimeout : timeout; 3101 } 3102 3103 // Return the strictest policy across all participating admins. 3104 List<ActiveAdmin> admins = 3105 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3106 final int N = admins.size(); 3107 for (int i = 0; i < N; i++) { 3108 ActiveAdmin admin = admins.get(i); 3109 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3110 && timeout > admin.passwordExpirationTimeout)) { 3111 timeout = admin.passwordExpirationTimeout; 3112 } 3113 } 3114 return timeout; 3115 } 3116 } 3117 3118 @Override 3119 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3120 final int userId = UserHandle.getCallingUserId(); 3121 List<String> changedProviders = null; 3122 3123 synchronized (this) { 3124 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3125 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3126 if (activeAdmin.crossProfileWidgetProviders == null) { 3127 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3128 } 3129 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3130 if (!providers.contains(packageName)) { 3131 providers.add(packageName); 3132 changedProviders = new ArrayList<>(providers); 3133 saveSettingsLocked(userId); 3134 } 3135 } 3136 3137 if (changedProviders != null) { 3138 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3139 return true; 3140 } 3141 3142 return false; 3143 } 3144 3145 @Override 3146 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3147 final int userId = UserHandle.getCallingUserId(); 3148 List<String> changedProviders = null; 3149 3150 synchronized (this) { 3151 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3152 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3153 if (activeAdmin.crossProfileWidgetProviders == null) { 3154 return false; 3155 } 3156 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3157 if (providers.remove(packageName)) { 3158 changedProviders = new ArrayList<>(providers); 3159 saveSettingsLocked(userId); 3160 } 3161 } 3162 3163 if (changedProviders != null) { 3164 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3165 return true; 3166 } 3167 3168 return false; 3169 } 3170 3171 @Override 3172 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3173 synchronized (this) { 3174 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3175 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3176 if (activeAdmin.crossProfileWidgetProviders == null 3177 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3178 return null; 3179 } 3180 if (mInjector.binderIsCallingUidMyUid()) { 3181 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3182 } else { 3183 return activeAdmin.crossProfileWidgetProviders; 3184 } 3185 } 3186 } 3187 3188 /** 3189 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3190 * Returns 0 if not configured. 3191 */ 3192 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3193 long timeout = 0L; 3194 3195 if (who != null) { 3196 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3197 return admin != null ? admin.passwordExpirationDate : timeout; 3198 } 3199 3200 // Return the strictest policy across all participating admins. 3201 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3202 final int N = admins.size(); 3203 for (int i = 0; i < N; i++) { 3204 ActiveAdmin admin = admins.get(i); 3205 if (timeout == 0L || (admin.passwordExpirationDate != 0 3206 && timeout > admin.passwordExpirationDate)) { 3207 timeout = admin.passwordExpirationDate; 3208 } 3209 } 3210 return timeout; 3211 } 3212 3213 @Override 3214 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3215 if (!mHasFeature) { 3216 return 0L; 3217 } 3218 enforceFullCrossUsersPermission(userHandle); 3219 synchronized (this) { 3220 return getPasswordExpirationLocked(who, userHandle, parent); 3221 } 3222 } 3223 3224 @Override 3225 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3226 if (!mHasFeature) { 3227 return; 3228 } 3229 Preconditions.checkNotNull(who, "ComponentName is null"); 3230 synchronized (this) { 3231 ActiveAdmin ap = getActiveAdminForCallerLocked( 3232 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3233 if (ap.minimumPasswordUpperCase != length) { 3234 ap.minimumPasswordUpperCase = length; 3235 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3236 } 3237 } 3238 } 3239 3240 @Override 3241 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3242 if (!mHasFeature) { 3243 return 0; 3244 } 3245 enforceFullCrossUsersPermission(userHandle); 3246 synchronized (this) { 3247 int length = 0; 3248 3249 if (who != null) { 3250 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3251 return admin != null ? admin.minimumPasswordUpperCase : length; 3252 } 3253 3254 // Return the strictest policy across all participating admins. 3255 List<ActiveAdmin> admins = 3256 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3257 final int N = admins.size(); 3258 for (int i = 0; i < N; i++) { 3259 ActiveAdmin admin = admins.get(i); 3260 if (length < admin.minimumPasswordUpperCase) { 3261 length = admin.minimumPasswordUpperCase; 3262 } 3263 } 3264 return length; 3265 } 3266 } 3267 3268 @Override 3269 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3270 Preconditions.checkNotNull(who, "ComponentName is null"); 3271 synchronized (this) { 3272 ActiveAdmin ap = getActiveAdminForCallerLocked( 3273 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3274 if (ap.minimumPasswordLowerCase != length) { 3275 ap.minimumPasswordLowerCase = length; 3276 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3277 } 3278 } 3279 } 3280 3281 @Override 3282 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3283 if (!mHasFeature) { 3284 return 0; 3285 } 3286 enforceFullCrossUsersPermission(userHandle); 3287 synchronized (this) { 3288 int length = 0; 3289 3290 if (who != null) { 3291 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3292 return admin != null ? admin.minimumPasswordLowerCase : length; 3293 } 3294 3295 // Return the strictest policy across all participating admins. 3296 List<ActiveAdmin> admins = 3297 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3298 final int N = admins.size(); 3299 for (int i = 0; i < N; i++) { 3300 ActiveAdmin admin = admins.get(i); 3301 if (length < admin.minimumPasswordLowerCase) { 3302 length = admin.minimumPasswordLowerCase; 3303 } 3304 } 3305 return length; 3306 } 3307 } 3308 3309 @Override 3310 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3311 if (!mHasFeature) { 3312 return; 3313 } 3314 Preconditions.checkNotNull(who, "ComponentName is null"); 3315 synchronized (this) { 3316 ActiveAdmin ap = getActiveAdminForCallerLocked( 3317 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3318 if (ap.minimumPasswordLetters != length) { 3319 ap.minimumPasswordLetters = length; 3320 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3321 } 3322 } 3323 } 3324 3325 @Override 3326 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3327 if (!mHasFeature) { 3328 return 0; 3329 } 3330 enforceFullCrossUsersPermission(userHandle); 3331 synchronized (this) { 3332 int length = 0; 3333 3334 if (who != null) { 3335 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3336 return admin != null ? admin.minimumPasswordLetters : length; 3337 } 3338 3339 // Return the strictest policy across all participating admins. 3340 List<ActiveAdmin> admins = 3341 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3342 final int N = admins.size(); 3343 for (int i = 0; i < N; i++) { 3344 ActiveAdmin admin = admins.get(i); 3345 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3346 continue; 3347 } 3348 if (length < admin.minimumPasswordLetters) { 3349 length = admin.minimumPasswordLetters; 3350 } 3351 } 3352 return length; 3353 } 3354 } 3355 3356 @Override 3357 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3358 if (!mHasFeature) { 3359 return; 3360 } 3361 Preconditions.checkNotNull(who, "ComponentName is null"); 3362 synchronized (this) { 3363 ActiveAdmin ap = getActiveAdminForCallerLocked( 3364 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3365 if (ap.minimumPasswordNumeric != length) { 3366 ap.minimumPasswordNumeric = length; 3367 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3368 } 3369 } 3370 } 3371 3372 @Override 3373 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3374 if (!mHasFeature) { 3375 return 0; 3376 } 3377 enforceFullCrossUsersPermission(userHandle); 3378 synchronized (this) { 3379 int length = 0; 3380 3381 if (who != null) { 3382 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3383 return admin != null ? admin.minimumPasswordNumeric : length; 3384 } 3385 3386 // Return the strictest policy across all participating admins. 3387 List<ActiveAdmin> admins = 3388 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3389 final int N = admins.size(); 3390 for (int i = 0; i < N; i++) { 3391 ActiveAdmin admin = admins.get(i); 3392 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3393 continue; 3394 } 3395 if (length < admin.minimumPasswordNumeric) { 3396 length = admin.minimumPasswordNumeric; 3397 } 3398 } 3399 return length; 3400 } 3401 } 3402 3403 @Override 3404 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3405 if (!mHasFeature) { 3406 return; 3407 } 3408 Preconditions.checkNotNull(who, "ComponentName is null"); 3409 synchronized (this) { 3410 ActiveAdmin ap = getActiveAdminForCallerLocked( 3411 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3412 if (ap.minimumPasswordSymbols != length) { 3413 ap.minimumPasswordSymbols = length; 3414 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3415 } 3416 } 3417 } 3418 3419 @Override 3420 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3421 if (!mHasFeature) { 3422 return 0; 3423 } 3424 enforceFullCrossUsersPermission(userHandle); 3425 synchronized (this) { 3426 int length = 0; 3427 3428 if (who != null) { 3429 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3430 return admin != null ? admin.minimumPasswordSymbols : length; 3431 } 3432 3433 // Return the strictest policy across all participating admins. 3434 List<ActiveAdmin> admins = 3435 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3436 final int N = admins.size(); 3437 for (int i = 0; i < N; i++) { 3438 ActiveAdmin admin = admins.get(i); 3439 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3440 continue; 3441 } 3442 if (length < admin.minimumPasswordSymbols) { 3443 length = admin.minimumPasswordSymbols; 3444 } 3445 } 3446 return length; 3447 } 3448 } 3449 3450 @Override 3451 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3452 if (!mHasFeature) { 3453 return; 3454 } 3455 Preconditions.checkNotNull(who, "ComponentName is null"); 3456 synchronized (this) { 3457 ActiveAdmin ap = getActiveAdminForCallerLocked( 3458 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3459 if (ap.minimumPasswordNonLetter != length) { 3460 ap.minimumPasswordNonLetter = length; 3461 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3462 } 3463 } 3464 } 3465 3466 @Override 3467 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3468 if (!mHasFeature) { 3469 return 0; 3470 } 3471 enforceFullCrossUsersPermission(userHandle); 3472 synchronized (this) { 3473 int length = 0; 3474 3475 if (who != null) { 3476 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3477 return admin != null ? admin.minimumPasswordNonLetter : length; 3478 } 3479 3480 // Return the strictest policy across all participating admins. 3481 List<ActiveAdmin> admins = 3482 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3483 final int N = admins.size(); 3484 for (int i = 0; i < N; i++) { 3485 ActiveAdmin admin = admins.get(i); 3486 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3487 continue; 3488 } 3489 if (length < admin.minimumPasswordNonLetter) { 3490 length = admin.minimumPasswordNonLetter; 3491 } 3492 } 3493 return length; 3494 } 3495 } 3496 3497 @Override 3498 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3499 if (!mHasFeature) { 3500 return true; 3501 } 3502 enforceFullCrossUsersPermission(userHandle); 3503 3504 synchronized (this) { 3505 // This API can only be called by an active device admin, 3506 // so try to retrieve it to check that the caller is one. 3507 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3508 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3509 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3510 } 3511 } 3512 3513 @Override 3514 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3515 if (!mHasFeature) { 3516 return true; 3517 } 3518 enforceFullCrossUsersPermission(userHandle); 3519 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3520 3521 synchronized (this) { 3522 int targetUser = getProfileParentId(userHandle); 3523 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3524 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3525 } 3526 } 3527 3528 private boolean isActivePasswordSufficientForUserLocked( 3529 DevicePolicyData policy, int userHandle, boolean parent) { 3530 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle, parent) 3531 || policy.mActivePasswordLength < getPasswordMinimumLength( 3532 null, userHandle, parent)) { 3533 return false; 3534 } 3535 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3536 return true; 3537 } 3538 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase( 3539 null, userHandle, parent) 3540 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase( 3541 null, userHandle, parent) 3542 && policy.mActivePasswordLetters >= getPasswordMinimumLetters( 3543 null, userHandle, parent) 3544 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric( 3545 null, userHandle, parent) 3546 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols( 3547 null, userHandle, parent) 3548 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter( 3549 null, userHandle, parent); 3550 } 3551 3552 @Override 3553 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3554 enforceFullCrossUsersPermission(userHandle); 3555 synchronized (this) { 3556 if (!isCallerWithSystemUid()) { 3557 // This API can only be called by an active device admin, 3558 // so try to retrieve it to check that the caller is one. 3559 getActiveAdminForCallerLocked( 3560 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3561 } 3562 3563 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3564 3565 return policy.mFailedPasswordAttempts; 3566 } 3567 } 3568 3569 @Override 3570 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3571 if (!mHasFeature) { 3572 return; 3573 } 3574 Preconditions.checkNotNull(who, "ComponentName is null"); 3575 synchronized (this) { 3576 // This API can only be called by an active device admin, 3577 // so try to retrieve it to check that the caller is one. 3578 getActiveAdminForCallerLocked( 3579 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3580 ActiveAdmin ap = getActiveAdminForCallerLocked( 3581 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3582 if (ap.maximumFailedPasswordsForWipe != num) { 3583 ap.maximumFailedPasswordsForWipe = num; 3584 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3585 } 3586 } 3587 } 3588 3589 @Override 3590 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3591 if (!mHasFeature) { 3592 return 0; 3593 } 3594 enforceFullCrossUsersPermission(userHandle); 3595 synchronized (this) { 3596 ActiveAdmin admin = (who != null) 3597 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3598 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3599 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3600 } 3601 } 3602 3603 @Override 3604 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3605 if (!mHasFeature) { 3606 return UserHandle.USER_NULL; 3607 } 3608 enforceFullCrossUsersPermission(userHandle); 3609 synchronized (this) { 3610 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3611 userHandle, parent); 3612 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3613 } 3614 } 3615 3616 /** 3617 * Returns the admin with the strictest policy on maximum failed passwords for: 3618 * <ul> 3619 * <li>this user if it has a separate profile challenge, or 3620 * <li>this user and all profiles that don't have their own challenge otherwise. 3621 * </ul> 3622 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3623 * the primary profile. 3624 * Returns {@code null} if no participating admin has that policy set. 3625 */ 3626 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3627 int userHandle, boolean parent) { 3628 int count = 0; 3629 ActiveAdmin strictestAdmin = null; 3630 3631 // Return the strictest policy across all participating admins. 3632 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3633 final int N = admins.size(); 3634 for (int i = 0; i < N; i++) { 3635 ActiveAdmin admin = admins.get(i); 3636 if (admin.maximumFailedPasswordsForWipe == 3637 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3638 continue; // No max number of failed passwords policy set for this profile. 3639 } 3640 3641 // We always favor the primary profile if several profiles have the same value set. 3642 int userId = admin.getUserHandle().getIdentifier(); 3643 if (count == 0 || 3644 count > admin.maximumFailedPasswordsForWipe || 3645 (count == admin.maximumFailedPasswordsForWipe && 3646 mUserManager.getUserInfo(userId).isPrimary())) { 3647 count = admin.maximumFailedPasswordsForWipe; 3648 strictestAdmin = admin; 3649 } 3650 } 3651 return strictestAdmin; 3652 } 3653 3654 @Override 3655 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3656 if (!mHasFeature) { 3657 return false; 3658 } 3659 final int callingUid = mInjector.binderGetCallingUid(); 3660 final int userHandle = mInjector.userHandleGetCallingUserId(); 3661 3662 if (getCredentialOwner(userHandle, /* parent */ false) != userHandle) { 3663 throw new SecurityException("You can not change password for this profile because" 3664 + " it shares the password with the owner profile"); 3665 } 3666 3667 String password = passwordOrNull != null ? passwordOrNull : ""; 3668 3669 int quality; 3670 synchronized (this) { 3671 // If caller has PO (or DO), it can clear the password, so see if that's the case 3672 // first. 3673 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 3674 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 3675 if (admin == null) { 3676 // Otherwise, make sure the caller has any active admin with the right policy. 3677 admin = getActiveAdminForCallerLocked(null, 3678 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 3679 } 3680 3681 final ComponentName adminComponent = admin.info.getComponent(); 3682 3683 // As of N, only profile owners and device owners can reset the password. 3684 if (!(isProfileOwner(adminComponent, userHandle) 3685 || isDeviceOwner(adminComponent, userHandle))) { 3686 final boolean preN = getTargetSdk(admin.info.getPackageName(), userHandle) 3687 <= android.os.Build.VERSION_CODES.M; 3688 // As of N, password resetting to empty/null is not allowed anymore. 3689 // TODO Should we allow DO/PO to set an empty password? 3690 if (TextUtils.isEmpty(password)) { 3691 if (!preN) { 3692 throw new SecurityException("Cannot call with null password"); 3693 } else { 3694 Slog.e(LOG_TAG, "Cannot call with null password"); 3695 return false; 3696 } 3697 } 3698 // As of N, password cannot be changed by the admin if it is already set. 3699 if (isLockScreenSecureUnchecked(userHandle)) { 3700 if (!preN) { 3701 throw new SecurityException("Admin cannot change current password"); 3702 } else { 3703 Slog.e(LOG_TAG, "Admin cannot change current password"); 3704 return false; 3705 } 3706 } 3707 } 3708 quality = getPasswordQuality(null, userHandle, /* parent */ false); 3709 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 3710 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3711 } 3712 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 3713 int realQuality = LockPatternUtils.computePasswordQuality(password); 3714 if (realQuality < quality 3715 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3716 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 3717 + Integer.toHexString(realQuality) 3718 + " does not meet required quality 0x" 3719 + Integer.toHexString(quality)); 3720 return false; 3721 } 3722 quality = Math.max(realQuality, quality); 3723 } 3724 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 3725 if (password.length() < length) { 3726 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 3727 + " does not meet required length " + length); 3728 return false; 3729 } 3730 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3731 int letters = 0; 3732 int uppercase = 0; 3733 int lowercase = 0; 3734 int numbers = 0; 3735 int symbols = 0; 3736 int nonletter = 0; 3737 for (int i = 0; i < password.length(); i++) { 3738 char c = password.charAt(i); 3739 if (c >= 'A' && c <= 'Z') { 3740 letters++; 3741 uppercase++; 3742 } else if (c >= 'a' && c <= 'z') { 3743 letters++; 3744 lowercase++; 3745 } else if (c >= '0' && c <= '9') { 3746 numbers++; 3747 nonletter++; 3748 } else { 3749 symbols++; 3750 nonletter++; 3751 } 3752 } 3753 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 3754 if(letters < neededLetters) { 3755 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 3756 + " does not meet required number of letters " + neededLetters); 3757 return false; 3758 } 3759 int neededNumbers = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 3760 if (numbers < neededNumbers) { 3761 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 3762 + " does not meet required number of numerical digits " 3763 + neededNumbers); 3764 return false; 3765 } 3766 int neededLowerCase = getPasswordMinimumLowerCase( 3767 null, userHandle, /* parent */ false); 3768 if (lowercase < neededLowerCase) { 3769 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 3770 + " does not meet required number of lowercase letters " 3771 + neededLowerCase); 3772 return false; 3773 } 3774 int neededUpperCase = getPasswordMinimumUpperCase( 3775 null, userHandle, /* parent */ false); 3776 if (uppercase < neededUpperCase) { 3777 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 3778 + " does not meet required number of uppercase letters " 3779 + neededUpperCase); 3780 return false; 3781 } 3782 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 3783 if (symbols < neededSymbols) { 3784 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 3785 + " does not meet required number of special symbols " + neededSymbols); 3786 return false; 3787 } 3788 int neededNonLetter = getPasswordMinimumNonLetter( 3789 null, userHandle, /* parent */ false); 3790 if (nonletter < neededNonLetter) { 3791 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 3792 + " does not meet required number of non-letter characters " 3793 + neededNonLetter); 3794 return false; 3795 } 3796 } 3797 } 3798 3799 DevicePolicyData policy = getUserData(userHandle); 3800 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 3801 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 3802 return false; 3803 } 3804 3805 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 3806 boolean doNotAskCredentialsOnBoot = 3807 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 3808 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 3809 setDoNotAskCredentialsOnBoot(); 3810 } 3811 3812 // Don't do this with the lock held, because it is going to call 3813 // back in to the service. 3814 final long ident = mInjector.binderClearCallingIdentity(); 3815 try { 3816 if (!TextUtils.isEmpty(password)) { 3817 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 3818 } else { 3819 mLockPatternUtils.clearLock(userHandle); 3820 } 3821 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 3822 if (requireEntry) { 3823 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 3824 UserHandle.USER_ALL); 3825 } 3826 synchronized (this) { 3827 int newOwner = requireEntry ? callingUid : -1; 3828 if (policy.mPasswordOwner != newOwner) { 3829 policy.mPasswordOwner = newOwner; 3830 saveSettingsLocked(userHandle); 3831 } 3832 } 3833 } finally { 3834 mInjector.binderRestoreCallingIdentity(ident); 3835 } 3836 3837 return true; 3838 } 3839 3840 private boolean isLockScreenSecureUnchecked(int userId) { 3841 long ident = mInjector.binderClearCallingIdentity(); 3842 try { 3843 return mLockPatternUtils.isSecure(userId); 3844 } finally { 3845 mInjector.binderRestoreCallingIdentity(ident); 3846 } 3847 } 3848 3849 private void setDoNotAskCredentialsOnBoot() { 3850 synchronized (this) { 3851 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 3852 if (!policyData.doNotAskCredentialsOnBoot) { 3853 policyData.doNotAskCredentialsOnBoot = true; 3854 saveSettingsLocked(UserHandle.USER_SYSTEM); 3855 } 3856 } 3857 } 3858 3859 @Override 3860 public boolean getDoNotAskCredentialsOnBoot() { 3861 mContext.enforceCallingOrSelfPermission( 3862 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 3863 synchronized (this) { 3864 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 3865 return policyData.doNotAskCredentialsOnBoot; 3866 } 3867 } 3868 3869 @Override 3870 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 3871 if (!mHasFeature) { 3872 return; 3873 } 3874 Preconditions.checkNotNull(who, "ComponentName is null"); 3875 final int userHandle = mInjector.userHandleGetCallingUserId(); 3876 synchronized (this) { 3877 ActiveAdmin ap = getActiveAdminForCallerLocked( 3878 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 3879 if (ap.maximumTimeToUnlock != timeMs) { 3880 ap.maximumTimeToUnlock = timeMs; 3881 saveSettingsLocked(userHandle); 3882 updateMaximumTimeToLockLocked(userHandle); 3883 } 3884 } 3885 } 3886 3887 void updateMaximumTimeToLockLocked(int userHandle) { 3888 // Calculate the min timeout for all profiles - including the ones with a separate 3889 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 3890 // challenge only and keep the screen on. However there is no easy way of doing that at the 3891 // moment so we set the screen off timeout regardless of whether it affects the parent user 3892 // or the profile challenge only. 3893 long timeMs = Long.MAX_VALUE; 3894 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3895 for (UserInfo userInfo : profiles) { 3896 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3897 final int N = policy.mAdminList.size(); 3898 for (int i = 0; i < N; i++) { 3899 ActiveAdmin admin = policy.mAdminList.get(i); 3900 if (admin.maximumTimeToUnlock > 0 3901 && timeMs > admin.maximumTimeToUnlock) { 3902 timeMs = admin.maximumTimeToUnlock; 3903 } 3904 } 3905 } 3906 3907 // We only store the last maximum time to lock on the parent profile. So if calling from a 3908 // managed profile, retrieve the policy for the parent. 3909 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 3910 if (policy.mLastMaximumTimeToLock == timeMs) { 3911 return; 3912 } 3913 policy.mLastMaximumTimeToLock = timeMs; 3914 3915 final long ident = mInjector.binderClearCallingIdentity(); 3916 try { 3917 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 3918 // Make sure KEEP_SCREEN_ON is disabled, since that 3919 // would allow bypassing of the maximum time to lock. 3920 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 3921 } 3922 3923 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 3924 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 3925 } finally { 3926 mInjector.binderRestoreCallingIdentity(ident); 3927 } 3928 } 3929 3930 @Override 3931 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 3932 if (!mHasFeature) { 3933 return 0; 3934 } 3935 enforceFullCrossUsersPermission(userHandle); 3936 synchronized (this) { 3937 long time = 0; 3938 3939 if (who != null) { 3940 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3941 return admin != null ? admin.maximumTimeToUnlock : time; 3942 } 3943 3944 // Return the strictest policy across all participating admins. 3945 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 3946 userHandle, parent); 3947 final int N = admins.size(); 3948 for (int i = 0; i < N; i++) { 3949 ActiveAdmin admin = admins.get(i); 3950 if (time == 0) { 3951 time = admin.maximumTimeToUnlock; 3952 } else if (admin.maximumTimeToUnlock != 0 3953 && time > admin.maximumTimeToUnlock) { 3954 time = admin.maximumTimeToUnlock; 3955 } 3956 } 3957 return time; 3958 } 3959 } 3960 3961 @Override 3962 public void lockNow(boolean parent) { 3963 if (!mHasFeature) { 3964 return; 3965 } 3966 synchronized (this) { 3967 // This API can only be called by an active device admin, 3968 // so try to retrieve it to check that the caller is one. 3969 getActiveAdminForCallerLocked( 3970 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 3971 3972 int userToLock = mInjector.userHandleGetCallingUserId(); 3973 3974 // Unless this is a managed profile with work challenge enabled, lock all users. 3975 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 3976 userToLock = UserHandle.USER_ALL; 3977 } 3978 final long ident = mInjector.binderClearCallingIdentity(); 3979 try { 3980 mLockPatternUtils.requireStrongAuth( 3981 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 3982 if (userToLock == UserHandle.USER_ALL) { 3983 // Power off the display 3984 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 3985 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 3986 mInjector.getIWindowManager().lockNow(null); 3987 } 3988 } catch (RemoteException e) { 3989 } finally { 3990 mInjector.binderRestoreCallingIdentity(ident); 3991 } 3992 } 3993 } 3994 3995 @Override 3996 public void enforceCanManageCaCerts(ComponentName who) { 3997 if (who == null) { 3998 if (!isCallerDelegatedCertInstaller()) { 3999 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4000 } 4001 } else { 4002 synchronized (this) { 4003 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4004 } 4005 } 4006 } 4007 4008 private void enforceCanManageInstalledKeys(ComponentName who) { 4009 if (who == null) { 4010 if (!isCallerDelegatedCertInstaller()) { 4011 throw new SecurityException("who == null, but caller is not cert installer"); 4012 } 4013 } else { 4014 synchronized (this) { 4015 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4016 } 4017 } 4018 } 4019 4020 private boolean isCallerDelegatedCertInstaller() { 4021 final int callingUid = mInjector.binderGetCallingUid(); 4022 final int userHandle = UserHandle.getUserId(callingUid); 4023 synchronized (this) { 4024 final DevicePolicyData policy = getUserData(userHandle); 4025 if (policy.mDelegatedCertInstallerPackage == null) { 4026 return false; 4027 } 4028 4029 try { 4030 int uid = mContext.getPackageManager().getPackageUidAsUser( 4031 policy.mDelegatedCertInstallerPackage, userHandle); 4032 return uid == callingUid; 4033 } catch (NameNotFoundException e) { 4034 return false; 4035 } 4036 } 4037 } 4038 4039 @Override 4040 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4041 enforceCanManageCaCerts(admin); 4042 4043 byte[] pemCert; 4044 try { 4045 X509Certificate cert = parseCert(certBuffer); 4046 pemCert = Credentials.convertToPem(cert); 4047 } catch (CertificateException ce) { 4048 Log.e(LOG_TAG, "Problem converting cert", ce); 4049 return false; 4050 } catch (IOException ioe) { 4051 Log.e(LOG_TAG, "Problem reading cert", ioe); 4052 return false; 4053 } 4054 4055 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4056 final long id = mInjector.binderClearCallingIdentity(); 4057 try { 4058 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4059 try { 4060 keyChainConnection.getService().installCaCertificate(pemCert); 4061 return true; 4062 } catch (RemoteException e) { 4063 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4064 } finally { 4065 keyChainConnection.close(); 4066 } 4067 } catch (InterruptedException e1) { 4068 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4069 Thread.currentThread().interrupt(); 4070 } finally { 4071 mInjector.binderRestoreCallingIdentity(id); 4072 } 4073 return false; 4074 } 4075 4076 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4077 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4078 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4079 certBuffer)); 4080 } 4081 4082 @Override 4083 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4084 enforceCanManageCaCerts(admin); 4085 4086 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4087 final long id = mInjector.binderClearCallingIdentity(); 4088 try { 4089 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4090 try { 4091 for (int i = 0 ; i < aliases.length; i++) { 4092 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4093 } 4094 } catch (RemoteException e) { 4095 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4096 } finally { 4097 keyChainConnection.close(); 4098 } 4099 } catch (InterruptedException ie) { 4100 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4101 Thread.currentThread().interrupt(); 4102 } finally { 4103 mInjector.binderRestoreCallingIdentity(id); 4104 } 4105 } 4106 4107 @Override 4108 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias, 4109 boolean requestAccess) { 4110 enforceCanManageInstalledKeys(who); 4111 4112 final int callingUid = mInjector.binderGetCallingUid(); 4113 final long id = mInjector.binderClearCallingIdentity(); 4114 try { 4115 final KeyChainConnection keyChainConnection = 4116 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4117 try { 4118 IKeyChainService keyChain = keyChainConnection.getService(); 4119 if (!keyChain.installKeyPair(privKey, cert, alias)) { 4120 return false; 4121 } 4122 if (requestAccess) { 4123 keyChain.setGrant(callingUid, alias, true); 4124 } 4125 return true; 4126 } catch (RemoteException e) { 4127 Log.e(LOG_TAG, "Installing certificate", e); 4128 } finally { 4129 keyChainConnection.close(); 4130 } 4131 } catch (InterruptedException e) { 4132 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4133 Thread.currentThread().interrupt(); 4134 } finally { 4135 mInjector.binderRestoreCallingIdentity(id); 4136 } 4137 return false; 4138 } 4139 4140 @Override 4141 public boolean removeKeyPair(ComponentName who, String alias) { 4142 enforceCanManageInstalledKeys(who); 4143 4144 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4145 final long id = Binder.clearCallingIdentity(); 4146 try { 4147 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4148 try { 4149 IKeyChainService keyChain = keyChainConnection.getService(); 4150 return keyChain.removeKeyPair(alias); 4151 } catch (RemoteException e) { 4152 Log.e(LOG_TAG, "Removing keypair", e); 4153 } finally { 4154 keyChainConnection.close(); 4155 } 4156 } catch (InterruptedException e) { 4157 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4158 Thread.currentThread().interrupt(); 4159 } finally { 4160 Binder.restoreCallingIdentity(id); 4161 } 4162 return false; 4163 } 4164 4165 @Override 4166 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4167 final IBinder response) { 4168 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4169 if (!isCallerWithSystemUid()) { 4170 return; 4171 } 4172 4173 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4174 // If there is a profile owner, redirect to that; otherwise query the device owner. 4175 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4176 if (aliasChooser == null && caller.isSystem()) { 4177 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4178 if (deviceOwnerAdmin != null) { 4179 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4180 } 4181 } 4182 if (aliasChooser == null) { 4183 sendPrivateKeyAliasResponse(null, response); 4184 return; 4185 } 4186 4187 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4188 intent.setComponent(aliasChooser); 4189 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4190 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4191 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4192 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4193 4194 final long id = mInjector.binderClearCallingIdentity(); 4195 try { 4196 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4197 @Override 4198 public void onReceive(Context context, Intent intent) { 4199 final String chosenAlias = getResultData(); 4200 sendPrivateKeyAliasResponse(chosenAlias, response); 4201 } 4202 }, null, Activity.RESULT_OK, null, null); 4203 } finally { 4204 mInjector.binderRestoreCallingIdentity(id); 4205 } 4206 } 4207 4208 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4209 final IKeyChainAliasCallback keyChainAliasResponse = 4210 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4211 new AsyncTask<Void, Void, Void>() { 4212 @Override 4213 protected Void doInBackground(Void... unused) { 4214 try { 4215 keyChainAliasResponse.alias(alias); 4216 } catch (Exception e) { 4217 // Catch everything (not just RemoteException): caller could throw a 4218 // RuntimeException back across processes. 4219 Log.e(LOG_TAG, "error while responding to callback", e); 4220 } 4221 return null; 4222 } 4223 }.execute(); 4224 } 4225 4226 @Override 4227 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4228 throws SecurityException { 4229 int userHandle = UserHandle.getCallingUserId(); 4230 synchronized (this) { 4231 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4232 try { 4233 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4234 if (installerPackage != null && 4235 !isPackageInstalledForUser(installerPackage, userHandle)) { 4236 throw new IllegalArgumentException("Package " + installerPackage 4237 + " is not installed on the current user"); 4238 } 4239 } 4240 } catch (RemoteException e) { 4241 } 4242 DevicePolicyData policy = getUserData(userHandle); 4243 policy.mDelegatedCertInstallerPackage = installerPackage; 4244 saveSettingsLocked(userHandle); 4245 } 4246 } 4247 4248 @Override 4249 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4250 int userHandle = UserHandle.getCallingUserId(); 4251 synchronized (this) { 4252 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4253 DevicePolicyData policy = getUserData(userHandle); 4254 return policy.mDelegatedCertInstallerPackage; 4255 } 4256 } 4257 4258 @Override 4259 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage) 4260 throws SecurityException { 4261 synchronized (this) { 4262 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4263 } 4264 4265 final int userId = mInjector.userHandleGetCallingUserId(); 4266 final long token = mInjector.binderClearCallingIdentity(); 4267 try{ 4268 ConnectivityManager connectivityManager = (ConnectivityManager) 4269 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4270 return connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage); 4271 } finally { 4272 mInjector.binderRestoreCallingIdentity(token); 4273 } 4274 } 4275 4276 @Override 4277 public String getAlwaysOnVpnPackage(ComponentName admin) 4278 throws SecurityException { 4279 synchronized (this) { 4280 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4281 } 4282 4283 final int userId = mInjector.userHandleGetCallingUserId(); 4284 final long token = mInjector.binderClearCallingIdentity(); 4285 try{ 4286 ConnectivityManager connectivityManager = (ConnectivityManager) 4287 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4288 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4289 } finally { 4290 mInjector.binderRestoreCallingIdentity(token); 4291 } 4292 } 4293 4294 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 4295 if (wipeExtRequested) { 4296 StorageManager sm = (StorageManager) mContext.getSystemService( 4297 Context.STORAGE_SERVICE); 4298 sm.wipeAdoptableDisks(); 4299 } 4300 try { 4301 RecoverySystem.rebootWipeUserData(mContext, reason); 4302 } catch (IOException | SecurityException e) { 4303 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4304 } 4305 } 4306 4307 @Override 4308 public void wipeData(int flags) { 4309 if (!mHasFeature) { 4310 return; 4311 } 4312 final int userHandle = mInjector.userHandleGetCallingUserId(); 4313 enforceFullCrossUsersPermission(userHandle); 4314 synchronized (this) { 4315 // This API can only be called by an active device admin, 4316 // so try to retrieve it to check that the caller is one. 4317 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4318 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4319 4320 final String source = admin.info.getComponent().flattenToShortString(); 4321 4322 long ident = mInjector.binderClearCallingIdentity(); 4323 try { 4324 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4325 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4326 throw new SecurityException( 4327 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4328 } 4329 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4330 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4331 if (manager != null) { 4332 manager.wipe(); 4333 } 4334 } 4335 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4336 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4337 "DevicePolicyManager.wipeData() from " + source); 4338 } finally { 4339 mInjector.binderRestoreCallingIdentity(ident); 4340 } 4341 } 4342 } 4343 4344 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 4345 if (userHandle == UserHandle.USER_SYSTEM) { 4346 wipeDataLocked(wipeExtRequested, reason); 4347 } else { 4348 mHandler.post(new Runnable() { 4349 @Override 4350 public void run() { 4351 try { 4352 IActivityManager am = mInjector.getIActivityManager(); 4353 if (am.getCurrentUser().id == userHandle) { 4354 am.switchUser(UserHandle.USER_SYSTEM); 4355 } 4356 4357 boolean isManagedProfile = isManagedProfile(userHandle); 4358 if (!mUserManager.removeUser(userHandle)) { 4359 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4360 } else if (isManagedProfile) { 4361 sendWipeProfileNotification(); 4362 } 4363 } catch (RemoteException re) { 4364 // Shouldn't happen 4365 } 4366 } 4367 }); 4368 } 4369 } 4370 4371 private void sendWipeProfileNotification() { 4372 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4373 Notification notification = new Notification.Builder(mContext) 4374 .setSmallIcon(android.R.drawable.stat_sys_warning) 4375 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4376 .setContentText(contentText) 4377 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4378 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4379 .build(); 4380 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4381 } 4382 4383 private void clearWipeProfileNotification() { 4384 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4385 } 4386 4387 @Override 4388 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4389 if (!mHasFeature) { 4390 return; 4391 } 4392 enforceFullCrossUsersPermission(userHandle); 4393 mContext.enforceCallingOrSelfPermission( 4394 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4395 4396 synchronized (this) { 4397 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4398 if (admin == null) { 4399 result.sendResult(null); 4400 return; 4401 } 4402 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4403 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4404 intent.setComponent(admin.info.getComponent()); 4405 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4406 null, new BroadcastReceiver() { 4407 @Override 4408 public void onReceive(Context context, Intent intent) { 4409 result.sendResult(getResultExtras(false)); 4410 } 4411 }, null, Activity.RESULT_OK, null, null); 4412 } 4413 } 4414 4415 @Override 4416 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4417 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4418 if (!mHasFeature) { 4419 return; 4420 } 4421 enforceFullCrossUsersPermission(userHandle); 4422 4423 // Managed Profile password can only be changed when it has a separate challenge. 4424 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4425 enforceNotManagedProfile(userHandle, "set the active password"); 4426 } 4427 4428 mContext.enforceCallingOrSelfPermission( 4429 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4430 validateQualityConstant(quality); 4431 4432 DevicePolicyData policy = getUserData(userHandle); 4433 4434 long ident = mInjector.binderClearCallingIdentity(); 4435 try { 4436 synchronized (this) { 4437 policy.mActivePasswordQuality = quality; 4438 policy.mActivePasswordLength = length; 4439 policy.mActivePasswordLetters = letters; 4440 policy.mActivePasswordLowerCase = lowercase; 4441 policy.mActivePasswordUpperCase = uppercase; 4442 policy.mActivePasswordNumeric = numbers; 4443 policy.mActivePasswordSymbols = symbols; 4444 policy.mActivePasswordNonLetter = nonletter; 4445 policy.mFailedPasswordAttempts = 0; 4446 saveSettingsLocked(userHandle); 4447 updatePasswordExpirationsLocked(userHandle); 4448 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 4449 4450 // Send a broadcast to each profile using this password as its primary unlock. 4451 sendAdminCommandForLockscreenPoliciesLocked( 4452 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4453 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4454 } 4455 } finally { 4456 mInjector.binderRestoreCallingIdentity(ident); 4457 } 4458 } 4459 4460 /** 4461 * Called any time the device password is updated. Resets all password expiration clocks. 4462 */ 4463 private void updatePasswordExpirationsLocked(int userHandle) { 4464 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4465 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4466 userHandle, /* parent */ false); 4467 final int N = admins.size(); 4468 for (int i = 0; i < N; i++) { 4469 ActiveAdmin admin = admins.get(i); 4470 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4471 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4472 long timeout = admin.passwordExpirationTimeout; 4473 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4474 admin.passwordExpirationDate = expiration; 4475 } 4476 } 4477 for (int affectedUserId : affectedUserIds) { 4478 saveSettingsLocked(affectedUserId); 4479 } 4480 } 4481 4482 @Override 4483 public void reportFailedPasswordAttempt(int userHandle) { 4484 enforceFullCrossUsersPermission(userHandle); 4485 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4486 enforceNotManagedProfile(userHandle, 4487 "report failed password attempt if separate profile challenge is not in place"); 4488 } 4489 mContext.enforceCallingOrSelfPermission( 4490 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4491 4492 final long ident = mInjector.binderClearCallingIdentity(); 4493 try { 4494 boolean wipeData = false; 4495 int identifier = 0; 4496 synchronized (this) { 4497 DevicePolicyData policy = getUserData(userHandle); 4498 policy.mFailedPasswordAttempts++; 4499 saveSettingsLocked(userHandle); 4500 if (mHasFeature) { 4501 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4502 userHandle, /* parent */ false); 4503 int max = strictestAdmin != null 4504 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4505 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4506 // Wipe the user/profile associated with the policy that was violated. This 4507 // is not necessarily calling user: if the policy that fired was from a 4508 // managed profile rather than the main user profile, we wipe former only. 4509 wipeData = true; 4510 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4511 } 4512 4513 sendAdminCommandForLockscreenPoliciesLocked( 4514 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4515 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4516 } 4517 } 4518 if (wipeData) { 4519 // Call without holding lock. 4520 wipeDeviceOrUserLocked(false, identifier, 4521 "reportFailedPasswordAttempt()"); 4522 } 4523 } finally { 4524 mInjector.binderRestoreCallingIdentity(ident); 4525 } 4526 4527 if (mInjector.securityLogIsLoggingEnabled()) { 4528 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4529 /*method strength*/ 1); 4530 } 4531 } 4532 4533 @Override 4534 public void reportSuccessfulPasswordAttempt(int userHandle) { 4535 enforceFullCrossUsersPermission(userHandle); 4536 mContext.enforceCallingOrSelfPermission( 4537 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4538 4539 synchronized (this) { 4540 DevicePolicyData policy = getUserData(userHandle); 4541 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4542 long ident = mInjector.binderClearCallingIdentity(); 4543 try { 4544 policy.mFailedPasswordAttempts = 0; 4545 policy.mPasswordOwner = -1; 4546 saveSettingsLocked(userHandle); 4547 if (mHasFeature) { 4548 sendAdminCommandForLockscreenPoliciesLocked( 4549 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4550 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4551 } 4552 } finally { 4553 mInjector.binderRestoreCallingIdentity(ident); 4554 } 4555 } 4556 } 4557 4558 if (mInjector.securityLogIsLoggingEnabled()) { 4559 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4560 /*method strength*/ 1); 4561 } 4562 } 4563 4564 @Override 4565 public void reportFailedFingerprintAttempt(int userHandle) { 4566 enforceFullCrossUsersPermission(userHandle); 4567 mContext.enforceCallingOrSelfPermission( 4568 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4569 if (mInjector.securityLogIsLoggingEnabled()) { 4570 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4571 /*method strength*/ 0); 4572 } 4573 } 4574 4575 @Override 4576 public void reportSuccessfulFingerprintAttempt(int userHandle) { 4577 enforceFullCrossUsersPermission(userHandle); 4578 mContext.enforceCallingOrSelfPermission( 4579 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4580 if (mInjector.securityLogIsLoggingEnabled()) { 4581 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4582 /*method strength*/ 0); 4583 } 4584 } 4585 4586 @Override 4587 public void reportKeyguardDismissed(int userHandle) { 4588 enforceFullCrossUsersPermission(userHandle); 4589 mContext.enforceCallingOrSelfPermission( 4590 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4591 4592 if (mInjector.securityLogIsLoggingEnabled()) { 4593 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 4594 } 4595 } 4596 4597 @Override 4598 public void reportKeyguardSecured(int userHandle) { 4599 enforceFullCrossUsersPermission(userHandle); 4600 mContext.enforceCallingOrSelfPermission( 4601 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4602 4603 if (mInjector.securityLogIsLoggingEnabled()) { 4604 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 4605 } 4606 } 4607 4608 @Override 4609 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 4610 String exclusionList) { 4611 if (!mHasFeature) { 4612 return null; 4613 } 4614 synchronized(this) { 4615 Preconditions.checkNotNull(who, "ComponentName is null"); 4616 4617 // Only check if system user has set global proxy. We don't allow other users to set it. 4618 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4619 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4620 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 4621 4622 // Scan through active admins and find if anyone has already 4623 // set the global proxy. 4624 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 4625 for (ComponentName component : compSet) { 4626 ActiveAdmin ap = policy.mAdminMap.get(component); 4627 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 4628 // Another admin already sets the global proxy 4629 // Return it to the caller. 4630 return component; 4631 } 4632 } 4633 4634 // If the user is not system, don't set the global proxy. Fail silently. 4635 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 4636 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 4637 + UserHandle.getCallingUserId() + " is not permitted."); 4638 return null; 4639 } 4640 if (proxySpec == null) { 4641 admin.specifiesGlobalProxy = false; 4642 admin.globalProxySpec = null; 4643 admin.globalProxyExclusionList = null; 4644 } else { 4645 4646 admin.specifiesGlobalProxy = true; 4647 admin.globalProxySpec = proxySpec; 4648 admin.globalProxyExclusionList = exclusionList; 4649 } 4650 4651 // Reset the global proxy accordingly 4652 // Do this using system permissions, as apps cannot write to secure settings 4653 long origId = mInjector.binderClearCallingIdentity(); 4654 try { 4655 resetGlobalProxyLocked(policy); 4656 } finally { 4657 mInjector.binderRestoreCallingIdentity(origId); 4658 } 4659 return null; 4660 } 4661 } 4662 4663 @Override 4664 public ComponentName getGlobalProxyAdmin(int userHandle) { 4665 if (!mHasFeature) { 4666 return null; 4667 } 4668 enforceFullCrossUsersPermission(userHandle); 4669 synchronized(this) { 4670 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4671 // Scan through active admins and find if anyone has already 4672 // set the global proxy. 4673 final int N = policy.mAdminList.size(); 4674 for (int i = 0; i < N; i++) { 4675 ActiveAdmin ap = policy.mAdminList.get(i); 4676 if (ap.specifiesGlobalProxy) { 4677 // Device admin sets the global proxy 4678 // Return it to the caller. 4679 return ap.info.getComponent(); 4680 } 4681 } 4682 } 4683 // No device admin sets the global proxy. 4684 return null; 4685 } 4686 4687 @Override 4688 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 4689 synchronized (this) { 4690 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4691 } 4692 long token = mInjector.binderClearCallingIdentity(); 4693 try { 4694 ConnectivityManager connectivityManager = (ConnectivityManager) 4695 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4696 connectivityManager.setGlobalProxy(proxyInfo); 4697 } finally { 4698 mInjector.binderRestoreCallingIdentity(token); 4699 } 4700 } 4701 4702 private void resetGlobalProxyLocked(DevicePolicyData policy) { 4703 final int N = policy.mAdminList.size(); 4704 for (int i = 0; i < N; i++) { 4705 ActiveAdmin ap = policy.mAdminList.get(i); 4706 if (ap.specifiesGlobalProxy) { 4707 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 4708 return; 4709 } 4710 } 4711 // No device admins defining global proxies - reset global proxy settings to none 4712 saveGlobalProxyLocked(null, null); 4713 } 4714 4715 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 4716 if (exclusionList == null) { 4717 exclusionList = ""; 4718 } 4719 if (proxySpec == null) { 4720 proxySpec = ""; 4721 } 4722 // Remove white spaces 4723 proxySpec = proxySpec.trim(); 4724 String data[] = proxySpec.split(":"); 4725 int proxyPort = 8080; 4726 if (data.length > 1) { 4727 try { 4728 proxyPort = Integer.parseInt(data[1]); 4729 } catch (NumberFormatException e) {} 4730 } 4731 exclusionList = exclusionList.trim(); 4732 4733 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 4734 if (!proxyProperties.isValid()) { 4735 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 4736 return; 4737 } 4738 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 4739 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 4740 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 4741 exclusionList); 4742 } 4743 4744 /** 4745 * Set the storage encryption request for a single admin. Returns the new total request 4746 * status (for all admins). 4747 */ 4748 @Override 4749 public int setStorageEncryption(ComponentName who, boolean encrypt) { 4750 if (!mHasFeature) { 4751 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4752 } 4753 Preconditions.checkNotNull(who, "ComponentName is null"); 4754 final int userHandle = UserHandle.getCallingUserId(); 4755 synchronized (this) { 4756 // Check for permissions 4757 // Only system user can set storage encryption 4758 if (userHandle != UserHandle.USER_SYSTEM) { 4759 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 4760 + UserHandle.getCallingUserId() + " is not permitted."); 4761 return 0; 4762 } 4763 4764 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4765 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 4766 4767 // Quick exit: If the filesystem does not support encryption, we can exit early. 4768 if (!isEncryptionSupported()) { 4769 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4770 } 4771 4772 // (1) Record the value for the admin so it's sticky 4773 if (ap.encryptionRequested != encrypt) { 4774 ap.encryptionRequested = encrypt; 4775 saveSettingsLocked(userHandle); 4776 } 4777 4778 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4779 // (2) Compute "max" for all admins 4780 boolean newRequested = false; 4781 final int N = policy.mAdminList.size(); 4782 for (int i = 0; i < N; i++) { 4783 newRequested |= policy.mAdminList.get(i).encryptionRequested; 4784 } 4785 4786 // Notify OS of new request 4787 setEncryptionRequested(newRequested); 4788 4789 // Return the new global request status 4790 return newRequested 4791 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 4792 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 4793 } 4794 } 4795 4796 /** 4797 * Get the current storage encryption request status for a given admin, or aggregate of all 4798 * active admins. 4799 */ 4800 @Override 4801 public boolean getStorageEncryption(ComponentName who, int userHandle) { 4802 if (!mHasFeature) { 4803 return false; 4804 } 4805 enforceFullCrossUsersPermission(userHandle); 4806 synchronized (this) { 4807 // Check for permissions if a particular caller is specified 4808 if (who != null) { 4809 // When checking for a single caller, status is based on caller's request 4810 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 4811 return ap != null ? ap.encryptionRequested : false; 4812 } 4813 4814 // If no particular caller is specified, return the aggregate set of requests. 4815 // This is short circuited by returning true on the first hit. 4816 DevicePolicyData policy = getUserData(userHandle); 4817 final int N = policy.mAdminList.size(); 4818 for (int i = 0; i < N; i++) { 4819 if (policy.mAdminList.get(i).encryptionRequested) { 4820 return true; 4821 } 4822 } 4823 return false; 4824 } 4825 } 4826 4827 /** 4828 * Get the current encryption status of the device. 4829 */ 4830 @Override 4831 public int getStorageEncryptionStatus(int userHandle) { 4832 if (!mHasFeature) { 4833 // Ok to return current status. 4834 } 4835 enforceFullCrossUsersPermission(userHandle); 4836 return getEncryptionStatus(); 4837 } 4838 4839 /** 4840 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 4841 */ 4842 private boolean isEncryptionSupported() { 4843 // Note, this can be implemented as 4844 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4845 // But is provided as a separate internal method if there's a faster way to do a 4846 // simple check for supported-or-not. 4847 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4848 } 4849 4850 /** 4851 * Hook to low-levels: Reporting the current status of encryption. 4852 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 4853 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 4854 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, or 4855 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 4856 */ 4857 private int getEncryptionStatus() { 4858 String status = mInjector.systemPropertiesGet("ro.crypto.state", "unsupported"); 4859 if ("encrypted".equalsIgnoreCase(status)) { 4860 final long token = mInjector.binderClearCallingIdentity(); 4861 try { 4862 return LockPatternUtils.isDeviceEncrypted() 4863 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 4864 : DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 4865 } finally { 4866 mInjector.binderRestoreCallingIdentity(token); 4867 } 4868 } else if ("unencrypted".equalsIgnoreCase(status)) { 4869 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 4870 } else { 4871 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4872 } 4873 } 4874 4875 /** 4876 * Hook to low-levels: If needed, record the new admin setting for encryption. 4877 */ 4878 private void setEncryptionRequested(boolean encrypt) { 4879 } 4880 4881 4882 /** 4883 * Set whether the screen capture is disabled for the user managed by the specified admin. 4884 */ 4885 @Override 4886 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 4887 if (!mHasFeature) { 4888 return; 4889 } 4890 Preconditions.checkNotNull(who, "ComponentName is null"); 4891 final int userHandle = UserHandle.getCallingUserId(); 4892 synchronized (this) { 4893 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4894 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4895 if (ap.disableScreenCapture != disabled) { 4896 ap.disableScreenCapture = disabled; 4897 saveSettingsLocked(userHandle); 4898 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 4899 } 4900 } 4901 } 4902 4903 /** 4904 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 4905 * active admin (if given admin is null). 4906 */ 4907 @Override 4908 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 4909 if (!mHasFeature) { 4910 return false; 4911 } 4912 synchronized (this) { 4913 if (who != null) { 4914 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 4915 return (admin != null) ? admin.disableScreenCapture : false; 4916 } 4917 4918 DevicePolicyData policy = getUserData(userHandle); 4919 final int N = policy.mAdminList.size(); 4920 for (int i = 0; i < N; i++) { 4921 ActiveAdmin admin = policy.mAdminList.get(i); 4922 if (admin.disableScreenCapture) { 4923 return true; 4924 } 4925 } 4926 return false; 4927 } 4928 } 4929 4930 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 4931 final boolean disabled) { 4932 mHandler.post(new Runnable() { 4933 @Override 4934 public void run() { 4935 try { 4936 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 4937 } catch (RemoteException e) { 4938 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 4939 } 4940 } 4941 }); 4942 } 4943 4944 /** 4945 * Set whether auto time is required by the specified admin (must be device owner). 4946 */ 4947 @Override 4948 public void setAutoTimeRequired(ComponentName who, boolean required) { 4949 if (!mHasFeature) { 4950 return; 4951 } 4952 Preconditions.checkNotNull(who, "ComponentName is null"); 4953 final int userHandle = UserHandle.getCallingUserId(); 4954 synchronized (this) { 4955 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4956 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4957 if (admin.requireAutoTime != required) { 4958 admin.requireAutoTime = required; 4959 saveSettingsLocked(userHandle); 4960 } 4961 } 4962 4963 // Turn AUTO_TIME on in settings if it is required 4964 if (required) { 4965 long ident = mInjector.binderClearCallingIdentity(); 4966 try { 4967 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 4968 } finally { 4969 mInjector.binderRestoreCallingIdentity(ident); 4970 } 4971 } 4972 } 4973 4974 /** 4975 * Returns whether or not auto time is required by the device owner. 4976 */ 4977 @Override 4978 public boolean getAutoTimeRequired() { 4979 if (!mHasFeature) { 4980 return false; 4981 } 4982 synchronized (this) { 4983 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 4984 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 4985 } 4986 } 4987 4988 @Override 4989 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 4990 if (!mHasFeature) { 4991 return; 4992 } 4993 Preconditions.checkNotNull(who, "ComponentName is null"); 4994 // Allow setting this policy to true only if there is a split system user. 4995 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 4996 throw new UnsupportedOperationException( 4997 "Cannot force ephemeral users on systems without split system user."); 4998 } 4999 boolean removeAllUsers = false; 5000 synchronized (this) { 5001 final ActiveAdmin deviceOwner = 5002 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5003 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5004 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5005 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5006 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5007 removeAllUsers = forceEphemeralUsers; 5008 } 5009 } 5010 if (removeAllUsers) { 5011 long identitity = mInjector.binderClearCallingIdentity(); 5012 try { 5013 mUserManagerInternal.removeAllUsers(); 5014 } finally { 5015 mInjector.binderRestoreCallingIdentity(identitity); 5016 } 5017 } 5018 } 5019 5020 @Override 5021 public boolean getForceEphemeralUsers(ComponentName who) { 5022 if (!mHasFeature) { 5023 return false; 5024 } 5025 Preconditions.checkNotNull(who, "ComponentName is null"); 5026 synchronized (this) { 5027 final ActiveAdmin deviceOwner = 5028 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5029 return deviceOwner.forceEphemeralUsers; 5030 } 5031 } 5032 5033 private boolean isDeviceOwnerManagedSingleUserDevice() { 5034 synchronized (this) { 5035 if (!mOwners.hasDeviceOwner()) { 5036 return false; 5037 } 5038 } 5039 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5040 try { 5041 if (mInjector.userManagerIsSplitSystemUser()) { 5042 // In split system user mode, only allow the case where the device owner is managing 5043 // the only non-system user of the device 5044 return (mUserManager.getUserCount() == 2 5045 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5046 } else { 5047 return mUserManager.getUserCount() == 1; 5048 } 5049 } finally { 5050 mInjector.binderRestoreCallingIdentity(callingIdentity); 5051 } 5052 } 5053 5054 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5055 synchronized (this) { 5056 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5057 } 5058 if (!isDeviceOwnerManagedSingleUserDevice()) { 5059 throw new SecurityException( 5060 "There should only be one user, managed by Device Owner"); 5061 } 5062 } 5063 5064 @Override 5065 public boolean requestBugreport(ComponentName who) { 5066 if (!mHasFeature) { 5067 return false; 5068 } 5069 Preconditions.checkNotNull(who, "ComponentName is null"); 5070 ensureDeviceOwnerManagingSingleUser(who); 5071 5072 if (mRemoteBugreportServiceIsActive.get() 5073 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5074 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5075 return false; 5076 } 5077 5078 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5079 try { 5080 ActivityManagerNative.getDefault().requestBugReport( 5081 ActivityManager.BUGREPORT_OPTION_REMOTE); 5082 5083 mRemoteBugreportServiceIsActive.set(true); 5084 mRemoteBugreportSharingAccepted.set(false); 5085 registerRemoteBugreportReceivers(); 5086 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5087 RemoteBugreportUtils.buildNotification(mContext, 5088 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5089 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5090 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5091 return true; 5092 } catch (RemoteException re) { 5093 // should never happen 5094 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5095 return false; 5096 } finally { 5097 mInjector.binderRestoreCallingIdentity(callingIdentity); 5098 } 5099 } 5100 5101 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5102 Intent intent = new Intent(action); 5103 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5104 if (extras != null) { 5105 intent.putExtras(extras); 5106 } 5107 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5108 } 5109 5110 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5111 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5112 } 5113 5114 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5115 String bugreportHash) { 5116 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5117 } 5118 5119 private void registerRemoteBugreportReceivers() { 5120 try { 5121 IntentFilter filterFinished = new IntentFilter( 5122 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5123 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5124 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5125 } catch (IntentFilter.MalformedMimeTypeException e) { 5126 // should never happen, as setting a constant 5127 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5128 } 5129 IntentFilter filterConsent = new IntentFilter(); 5130 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5131 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5132 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5133 } 5134 5135 private void onBugreportFinished(Intent intent) { 5136 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5137 mRemoteBugreportServiceIsActive.set(false); 5138 Uri bugreportUri = intent.getData(); 5139 String bugreportUriString = null; 5140 if (bugreportUri != null) { 5141 bugreportUriString = bugreportUri.toString(); 5142 } 5143 String bugreportHash = intent.getStringExtra( 5144 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5145 if (mRemoteBugreportSharingAccepted.get()) { 5146 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5147 mInjector.getNotificationManager().cancel(LOG_TAG, 5148 RemoteBugreportUtils.NOTIFICATION_ID); 5149 } else { 5150 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5151 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5152 RemoteBugreportUtils.buildNotification(mContext, 5153 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5154 UserHandle.ALL); 5155 } 5156 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5157 } 5158 5159 private void onBugreportFailed() { 5160 mRemoteBugreportServiceIsActive.set(false); 5161 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5162 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5163 mRemoteBugreportSharingAccepted.set(false); 5164 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5165 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5166 Bundle extras = new Bundle(); 5167 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5168 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5169 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5170 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5171 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5172 } 5173 5174 private void onBugreportSharingAccepted() { 5175 mRemoteBugreportSharingAccepted.set(true); 5176 String bugreportUriString = null; 5177 String bugreportHash = null; 5178 synchronized (this) { 5179 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5180 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5181 } 5182 if (bugreportUriString != null) { 5183 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5184 } else if (mRemoteBugreportServiceIsActive.get()) { 5185 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5186 RemoteBugreportUtils.buildNotification(mContext, 5187 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5188 UserHandle.ALL); 5189 } 5190 } 5191 5192 private void onBugreportSharingDeclined() { 5193 if (mRemoteBugreportServiceIsActive.get()) { 5194 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5195 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5196 mRemoteBugreportServiceIsActive.set(false); 5197 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5198 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5199 } 5200 mRemoteBugreportSharingAccepted.set(false); 5201 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5202 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5203 } 5204 5205 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5206 String bugreportHash) { 5207 ParcelFileDescriptor pfd = null; 5208 try { 5209 if (bugreportUriString == null) { 5210 throw new FileNotFoundException(); 5211 } 5212 Uri bugreportUri = Uri.parse(bugreportUriString); 5213 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5214 5215 synchronized (this) { 5216 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5217 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5218 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5219 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5220 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5221 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5222 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5223 } 5224 } catch (FileNotFoundException e) { 5225 Bundle extras = new Bundle(); 5226 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5227 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5228 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5229 } finally { 5230 try { 5231 if (pfd != null) { 5232 pfd.close(); 5233 } 5234 } catch (IOException ex) { 5235 // Ignore 5236 } 5237 mRemoteBugreportSharingAccepted.set(false); 5238 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5239 } 5240 } 5241 5242 /** 5243 * Disables all device cameras according to the specified admin. 5244 */ 5245 @Override 5246 public void setCameraDisabled(ComponentName who, boolean disabled) { 5247 if (!mHasFeature) { 5248 return; 5249 } 5250 Preconditions.checkNotNull(who, "ComponentName is null"); 5251 final int userHandle = mInjector.userHandleGetCallingUserId(); 5252 synchronized (this) { 5253 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5254 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5255 if (ap.disableCamera != disabled) { 5256 ap.disableCamera = disabled; 5257 saveSettingsLocked(userHandle); 5258 } 5259 } 5260 // Tell the user manager that the restrictions have changed. 5261 pushUserRestrictions(userHandle); 5262 } 5263 5264 /** 5265 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5266 * active admins. 5267 */ 5268 @Override 5269 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5270 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5271 } 5272 5273 private boolean getCameraDisabled(ComponentName who, int userHandle, 5274 boolean mergeDeviceOwnerRestriction) { 5275 if (!mHasFeature) { 5276 return false; 5277 } 5278 synchronized (this) { 5279 if (who != null) { 5280 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5281 return (admin != null) ? admin.disableCamera : false; 5282 } 5283 // First, see if DO has set it. If so, it's device-wide. 5284 if (mergeDeviceOwnerRestriction) { 5285 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5286 if (deviceOwner != null && deviceOwner.disableCamera) { 5287 return true; 5288 } 5289 } 5290 5291 // Then check each device admin on the user. 5292 DevicePolicyData policy = getUserData(userHandle); 5293 // Determine whether or not the device camera is disabled for any active admins. 5294 final int N = policy.mAdminList.size(); 5295 for (int i = 0; i < N; i++) { 5296 ActiveAdmin admin = policy.mAdminList.get(i); 5297 if (admin.disableCamera) { 5298 return true; 5299 } 5300 } 5301 return false; 5302 } 5303 } 5304 5305 @Override 5306 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5307 if (!mHasFeature) { 5308 return; 5309 } 5310 Preconditions.checkNotNull(who, "ComponentName is null"); 5311 final int userHandle = mInjector.userHandleGetCallingUserId(); 5312 if (isManagedProfile(userHandle)) { 5313 if (parent) { 5314 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5315 } else { 5316 which = which & PROFILE_KEYGUARD_FEATURES; 5317 } 5318 } 5319 synchronized (this) { 5320 ActiveAdmin ap = getActiveAdminForCallerLocked( 5321 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5322 if (ap.disabledKeyguardFeatures != which) { 5323 ap.disabledKeyguardFeatures = which; 5324 saveSettingsLocked(userHandle); 5325 } 5326 } 5327 } 5328 5329 /** 5330 * Gets the disabled state for features in keyguard for the given admin, 5331 * or the aggregate of all active admins if who is null. 5332 */ 5333 @Override 5334 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5335 if (!mHasFeature) { 5336 return 0; 5337 } 5338 enforceFullCrossUsersPermission(userHandle); 5339 final long ident = mInjector.binderClearCallingIdentity(); 5340 try { 5341 synchronized (this) { 5342 if (who != null) { 5343 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5344 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5345 } 5346 5347 final List<ActiveAdmin> admins; 5348 if (!parent && isManagedProfile(userHandle)) { 5349 // If we are being asked about a managed profile, just return keyguard features 5350 // disabled by admins in the profile. 5351 admins = getUserDataUnchecked(userHandle).mAdminList; 5352 } else { 5353 // Otherwise return those set by admins in the user and its profiles. 5354 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5355 } 5356 5357 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5358 final int N = admins.size(); 5359 for (int i = 0; i < N; i++) { 5360 ActiveAdmin admin = admins.get(i); 5361 int userId = admin.getUserHandle().getIdentifier(); 5362 boolean isRequestedUser = !parent && (userId == userHandle); 5363 if (isRequestedUser || !isManagedProfile(userId)) { 5364 // If we are being asked explicitly about this user 5365 // return all disabled features even if its a managed profile. 5366 which |= admin.disabledKeyguardFeatures; 5367 } else { 5368 // Otherwise a managed profile is only allowed to disable 5369 // some features on the parent user. 5370 which |= (admin.disabledKeyguardFeatures 5371 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5372 } 5373 } 5374 return which; 5375 } 5376 } finally { 5377 mInjector.binderRestoreCallingIdentity(ident); 5378 } 5379 } 5380 5381 @Override 5382 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5383 if (!mHasFeature) { 5384 return; 5385 } 5386 Preconditions.checkNotNull(who, "ComponentName is null"); 5387 Preconditions.checkNotNull(packageList, "packageList is null"); 5388 final int userHandle = UserHandle.getCallingUserId(); 5389 synchronized (this) { 5390 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5391 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5392 admin.keepUninstalledPackages = packageList; 5393 saveSettingsLocked(userHandle); 5394 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5395 } 5396 } 5397 5398 @Override 5399 public List<String> getKeepUninstalledPackages(ComponentName who) { 5400 Preconditions.checkNotNull(who, "ComponentName is null"); 5401 if (!mHasFeature) { 5402 return null; 5403 } 5404 // TODO In split system user mode, allow apps on user 0 to query the list 5405 synchronized (this) { 5406 // Check if this is the device owner who is calling 5407 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5408 return getKeepUninstalledPackagesLocked(); 5409 } 5410 } 5411 5412 private List<String> getKeepUninstalledPackagesLocked() { 5413 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5414 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5415 } 5416 5417 @Override 5418 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5419 if (!mHasFeature) { 5420 return false; 5421 } 5422 if (admin == null 5423 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5424 throw new IllegalArgumentException("Invalid component " + admin 5425 + " for device owner"); 5426 } 5427 synchronized (this) { 5428 enforceCanSetDeviceOwnerLocked(userId); 5429 if (getActiveAdminUncheckedLocked(admin, userId) == null) { 5430 throw new IllegalArgumentException("Not active admin: " + admin); 5431 } 5432 5433 // Shutting down backup manager service permanently. 5434 long ident = mInjector.binderClearCallingIdentity(); 5435 try { 5436 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5437 } catch (RemoteException e) { 5438 throw new IllegalStateException("Failed deactivating backup service.", e); 5439 } finally { 5440 mInjector.binderRestoreCallingIdentity(ident); 5441 } 5442 5443 mOwners.setDeviceOwner(admin, ownerName, userId); 5444 mOwners.writeDeviceOwner(); 5445 updateDeviceOwnerLocked(); 5446 setDeviceOwnerSystemPropertyLocked(); 5447 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5448 5449 ident = mInjector.binderClearCallingIdentity(); 5450 try { 5451 // TODO Send to system too? 5452 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5453 } finally { 5454 mInjector.binderRestoreCallingIdentity(ident); 5455 } 5456 return true; 5457 } 5458 } 5459 5460 public boolean isDeviceOwner(ComponentName who, int userId) { 5461 synchronized (this) { 5462 return mOwners.hasDeviceOwner() 5463 && mOwners.getDeviceOwnerUserId() == userId 5464 && mOwners.getDeviceOwnerComponent().equals(who); 5465 } 5466 } 5467 5468 public boolean isProfileOwner(ComponentName who, int userId) { 5469 final ComponentName profileOwner = getProfileOwner(userId); 5470 return who != null && who.equals(profileOwner); 5471 } 5472 5473 @Override 5474 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5475 if (!mHasFeature) { 5476 return null; 5477 } 5478 if (!callingUserOnly) { 5479 enforceManageUsers(); 5480 } 5481 synchronized (this) { 5482 if (!mOwners.hasDeviceOwner()) { 5483 return null; 5484 } 5485 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5486 mOwners.getDeviceOwnerUserId()) { 5487 return null; 5488 } 5489 return mOwners.getDeviceOwnerComponent(); 5490 } 5491 } 5492 5493 @Override 5494 public int getDeviceOwnerUserId() { 5495 if (!mHasFeature) { 5496 return UserHandle.USER_NULL; 5497 } 5498 enforceManageUsers(); 5499 synchronized (this) { 5500 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5501 } 5502 } 5503 5504 /** 5505 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5506 * MANAGE_USERS. 5507 */ 5508 @Override 5509 public String getDeviceOwnerName() { 5510 if (!mHasFeature) { 5511 return null; 5512 } 5513 enforceManageUsers(); 5514 synchronized (this) { 5515 if (!mOwners.hasDeviceOwner()) { 5516 return null; 5517 } 5518 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5519 // Should setDeviceOwner/ProfileOwner still take a name? 5520 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5521 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5522 } 5523 } 5524 5525 // Returns the active device owner or null if there is no device owner. 5526 @VisibleForTesting 5527 ActiveAdmin getDeviceOwnerAdminLocked() { 5528 ComponentName component = mOwners.getDeviceOwnerComponent(); 5529 if (component == null) { 5530 return null; 5531 } 5532 5533 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5534 final int n = policy.mAdminList.size(); 5535 for (int i = 0; i < n; i++) { 5536 ActiveAdmin admin = policy.mAdminList.get(i); 5537 if (component.equals(admin.info.getComponent())) { 5538 return admin; 5539 } 5540 } 5541 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5542 return null; 5543 } 5544 5545 @Override 5546 public void clearDeviceOwner(String packageName) { 5547 Preconditions.checkNotNull(packageName, "packageName is null"); 5548 final int callingUid = mInjector.binderGetCallingUid(); 5549 try { 5550 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 5551 UserHandle.getUserId(callingUid)); 5552 if (uid != callingUid) { 5553 throw new SecurityException("Invalid packageName"); 5554 } 5555 } catch (NameNotFoundException e) { 5556 throw new SecurityException(e); 5557 } 5558 synchronized (this) { 5559 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 5560 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 5561 if (!mOwners.hasDeviceOwner() 5562 || !deviceOwnerComponent.getPackageName().equals(packageName) 5563 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 5564 throw new SecurityException( 5565 "clearDeviceOwner can only be called by the device owner"); 5566 } 5567 enforceUserUnlocked(deviceOwnerUserId); 5568 5569 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 5570 if (admin != null) { 5571 admin.disableCamera = false; 5572 admin.userRestrictions = null; 5573 admin.forceEphemeralUsers = false; 5574 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 5575 } 5576 clearUserPoliciesLocked(deviceOwnerUserId); 5577 5578 mOwners.clearDeviceOwner(); 5579 mOwners.writeDeviceOwner(); 5580 updateDeviceOwnerLocked(); 5581 disableDeviceLoggingIfNotCompliant(); 5582 // Reactivate backup service. 5583 long ident = mInjector.binderClearCallingIdentity(); 5584 try { 5585 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 5586 5587 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 5588 } catch (RemoteException e) { 5589 throw new IllegalStateException("Failed reactivating backup service.", e); 5590 } finally { 5591 mInjector.binderRestoreCallingIdentity(ident); 5592 } 5593 } 5594 } 5595 5596 @Override 5597 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 5598 if (!mHasFeature) { 5599 return false; 5600 } 5601 if (who == null 5602 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 5603 throw new IllegalArgumentException("Component " + who 5604 + " not installed for userId:" + userHandle); 5605 } 5606 synchronized (this) { 5607 enforceCanSetProfileOwnerLocked(userHandle); 5608 5609 if (getActiveAdminUncheckedLocked(who, userHandle) == null) { 5610 throw new IllegalArgumentException("Not active admin: " + who); 5611 } 5612 5613 mOwners.setProfileOwner(who, ownerName, userHandle); 5614 mOwners.writeProfileOwner(userHandle); 5615 return true; 5616 } 5617 } 5618 5619 @Override 5620 public void clearProfileOwner(ComponentName who) { 5621 if (!mHasFeature) { 5622 return; 5623 } 5624 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 5625 final int userId = callingUser.getIdentifier(); 5626 enforceNotManagedProfile(userId, "clear profile owner"); 5627 enforceUserUnlocked(userId); 5628 // Check if this is the profile owner who is calling 5629 final ActiveAdmin admin = 5630 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5631 synchronized (this) { 5632 admin.disableCamera = false; 5633 admin.userRestrictions = null; 5634 clearUserPoliciesLocked(userId); 5635 mOwners.removeProfileOwner(userId); 5636 mOwners.writeProfileOwner(userId); 5637 5638 final long ident = mInjector.binderClearCallingIdentity(); 5639 try { 5640 removeActiveAdminLocked(who, userId); 5641 } finally { 5642 mInjector.binderRestoreCallingIdentity(ident); 5643 } 5644 } 5645 } 5646 5647 @Override 5648 public boolean setDeviceOwnerLockScreenInfo(ComponentName who, String info) { 5649 Preconditions.checkNotNull(who, "ComponentName is null"); 5650 if (!mHasFeature) { 5651 return false; 5652 } 5653 5654 synchronized (this) { 5655 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5656 long token = mInjector.binderClearCallingIdentity(); 5657 try { 5658 mLockPatternUtils.setDeviceOwnerInfo(info); 5659 } finally { 5660 mInjector.binderRestoreCallingIdentity(token); 5661 } 5662 return true; 5663 } 5664 } 5665 5666 @Override 5667 public String getDeviceOwnerLockScreenInfo() { 5668 return mLockPatternUtils.getDeviceOwnerInfo(); 5669 } 5670 5671 private void clearUserPoliciesLocked(int userId) { 5672 // Reset some of the user-specific policies 5673 DevicePolicyData policy = getUserData(userId); 5674 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 5675 policy.mDelegatedCertInstallerPackage = null; 5676 policy.mApplicationRestrictionsManagingPackage = null; 5677 policy.mStatusBarDisabled = false; 5678 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 5679 saveSettingsLocked(userId); 5680 5681 final long ident = mInjector.binderClearCallingIdentity(); 5682 try { 5683 mIPackageManager.updatePermissionFlagsForAllApps( 5684 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 5685 0 /* flagValues */, userId); 5686 pushUserRestrictions(userId); 5687 } catch (RemoteException re) { 5688 } finally { 5689 mInjector.binderRestoreCallingIdentity(ident); 5690 } 5691 } 5692 5693 @Override 5694 public boolean hasUserSetupCompleted() { 5695 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 5696 } 5697 5698 private boolean hasUserSetupCompleted(int userHandle) { 5699 if (!mHasFeature) { 5700 return true; 5701 } 5702 return getUserData(userHandle).mUserSetupComplete; 5703 } 5704 5705 @Override 5706 public int getUserProvisioningState() { 5707 if (!mHasFeature) { 5708 return DevicePolicyManager.STATE_USER_UNMANAGED; 5709 } 5710 int userHandle = mInjector.userHandleGetCallingUserId(); 5711 return getUserProvisioningState(userHandle); 5712 } 5713 5714 private int getUserProvisioningState(int userHandle) { 5715 return getUserData(userHandle).mUserProvisioningState; 5716 } 5717 5718 @Override 5719 public void setUserProvisioningState(int newState, int userHandle) { 5720 if (!mHasFeature) { 5721 return; 5722 } 5723 5724 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 5725 && getManagedUserId(userHandle) == -1) { 5726 // No managed device, user or profile, so setting provisioning state makes no sense. 5727 throw new IllegalStateException("Not allowed to change provisioning state unless a " 5728 + "device or profile owner is set."); 5729 } 5730 5731 synchronized (this) { 5732 boolean transitionCheckNeeded = true; 5733 5734 // Calling identity/permission checks. 5735 final int callingUid = mInjector.binderGetCallingUid(); 5736 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 5737 // ADB shell can only move directly from un-managed to finalized as part of directly 5738 // setting profile-owner or device-owner. 5739 if (getUserProvisioningState(userHandle) != 5740 DevicePolicyManager.STATE_USER_UNMANAGED 5741 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 5742 throw new IllegalStateException("Not allowed to change provisioning state " 5743 + "unless current provisioning state is unmanaged, and new state is " 5744 + "finalized."); 5745 } 5746 transitionCheckNeeded = false; 5747 } else { 5748 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 5749 mContext.enforceCallingOrSelfPermission( 5750 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 5751 } 5752 5753 final DevicePolicyData policyData = getUserData(userHandle); 5754 if (transitionCheckNeeded) { 5755 // Optional state transition check for non-ADB case. 5756 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 5757 } 5758 policyData.mUserProvisioningState = newState; 5759 saveSettingsLocked(userHandle); 5760 } 5761 } 5762 5763 private void checkUserProvisioningStateTransition(int currentState, int newState) { 5764 // Valid transitions for normal use-cases. 5765 switch (currentState) { 5766 case DevicePolicyManager.STATE_USER_UNMANAGED: 5767 // Can move to any state from unmanaged (except itself as an edge case).. 5768 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 5769 return; 5770 } 5771 break; 5772 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 5773 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 5774 // Can only move to finalized from these states. 5775 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 5776 return; 5777 } 5778 break; 5779 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 5780 // Current user has a managed-profile, but current user is not managed, so 5781 // rather than moving to finalized state, go back to unmanaged once 5782 // profile provisioning is complete. 5783 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 5784 return; 5785 } 5786 break; 5787 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 5788 // Cannot transition out of finalized. 5789 break; 5790 } 5791 5792 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 5793 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 5794 + "from state [" + currentState + "]"); 5795 } 5796 5797 @Override 5798 public void setProfileEnabled(ComponentName who) { 5799 if (!mHasFeature) { 5800 return; 5801 } 5802 Preconditions.checkNotNull(who, "ComponentName is null"); 5803 synchronized (this) { 5804 // Check if this is the profile owner who is calling 5805 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5806 final int userId = UserHandle.getCallingUserId(); 5807 enforceManagedProfile(userId, "enable the profile"); 5808 5809 long id = mInjector.binderClearCallingIdentity(); 5810 try { 5811 mUserManager.setUserEnabled(userId); 5812 UserInfo parent = mUserManager.getProfileParent(userId); 5813 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 5814 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 5815 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 5816 Intent.FLAG_RECEIVER_FOREGROUND); 5817 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 5818 } finally { 5819 mInjector.binderRestoreCallingIdentity(id); 5820 } 5821 } 5822 } 5823 5824 @Override 5825 public void setProfileName(ComponentName who, String profileName) { 5826 Preconditions.checkNotNull(who, "ComponentName is null"); 5827 int userId = UserHandle.getCallingUserId(); 5828 // Check if this is the profile owner (includes device owner). 5829 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5830 5831 long id = mInjector.binderClearCallingIdentity(); 5832 try { 5833 mUserManager.setUserName(userId, profileName); 5834 } finally { 5835 mInjector.binderRestoreCallingIdentity(id); 5836 } 5837 } 5838 5839 @Override 5840 public ComponentName getProfileOwner(int userHandle) { 5841 if (!mHasFeature) { 5842 return null; 5843 } 5844 5845 synchronized (this) { 5846 return mOwners.getProfileOwnerComponent(userHandle); 5847 } 5848 } 5849 5850 // Returns the active profile owner for this user or null if the current user has no 5851 // profile owner. 5852 @VisibleForTesting 5853 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 5854 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 5855 if (profileOwner == null) { 5856 return null; 5857 } 5858 DevicePolicyData policy = getUserData(userHandle); 5859 final int n = policy.mAdminList.size(); 5860 for (int i = 0; i < n; i++) { 5861 ActiveAdmin admin = policy.mAdminList.get(i); 5862 if (profileOwner.equals(admin.info.getComponent())) { 5863 return admin; 5864 } 5865 } 5866 return null; 5867 } 5868 5869 @Override 5870 public String getProfileOwnerName(int userHandle) { 5871 if (!mHasFeature) { 5872 return null; 5873 } 5874 enforceManageUsers(); 5875 ComponentName profileOwner = getProfileOwner(userHandle); 5876 if (profileOwner == null) { 5877 return null; 5878 } 5879 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 5880 } 5881 5882 /** 5883 * Canonical name for a given package. 5884 */ 5885 private String getApplicationLabel(String packageName, int userHandle) { 5886 long token = mInjector.binderClearCallingIdentity(); 5887 try { 5888 final Context userContext; 5889 try { 5890 UserHandle handle = new UserHandle(userHandle); 5891 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 5892 } catch (PackageManager.NameNotFoundException nnfe) { 5893 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 5894 return null; 5895 } 5896 ApplicationInfo appInfo = userContext.getApplicationInfo(); 5897 CharSequence result = null; 5898 if (appInfo != null) { 5899 PackageManager pm = userContext.getPackageManager(); 5900 result = pm.getApplicationLabel(appInfo); 5901 } 5902 return result != null ? result.toString() : null; 5903 } finally { 5904 mInjector.binderRestoreCallingIdentity(token); 5905 } 5906 } 5907 5908 /** 5909 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 5910 * permission. 5911 * The profile owner can only be set before the user setup phase has completed, 5912 * except for: 5913 * - SYSTEM_UID 5914 * - adb if there are not accounts. 5915 */ 5916 private void enforceCanSetProfileOwnerLocked(int userHandle) { 5917 UserInfo info = mUserManager.getUserInfo(userHandle); 5918 if (info == null) { 5919 // User doesn't exist. 5920 throw new IllegalArgumentException( 5921 "Attempted to set profile owner for invalid userId: " + userHandle); 5922 } 5923 if (info.isGuest()) { 5924 throw new IllegalStateException("Cannot set a profile owner on a guest"); 5925 } 5926 if (mOwners.hasProfileOwner(userHandle)) { 5927 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 5928 + "is already set."); 5929 } 5930 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 5931 throw new IllegalStateException("Trying to set the profile owner, but the user " 5932 + "already has a device owner."); 5933 } 5934 int callingUid = mInjector.binderGetCallingUid(); 5935 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 5936 if (hasUserSetupCompleted(userHandle) && 5937 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 5938 throw new IllegalStateException("Not allowed to set the profile owner because " 5939 + "there are already some accounts on the profile"); 5940 } 5941 return; 5942 } 5943 mContext.enforceCallingOrSelfPermission( 5944 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 5945 if (hasUserSetupCompleted(userHandle) && !isCallerWithSystemUid()) { 5946 throw new IllegalStateException("Cannot set the profile owner on a user which is " 5947 + "already set-up"); 5948 } 5949 } 5950 5951 /** 5952 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 5953 * permission. 5954 */ 5955 private void enforceCanSetDeviceOwnerLocked(int userId) { 5956 int callingUid = mInjector.binderGetCallingUid(); 5957 boolean isAdb = callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 5958 if (!isAdb) { 5959 mContext.enforceCallingOrSelfPermission( 5960 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 5961 } 5962 5963 final int code = checkSetDeviceOwnerPreCondition(userId, isAdb); 5964 switch (code) { 5965 case CODE_OK: 5966 return; 5967 case CODE_HAS_DEVICE_OWNER: 5968 throw new IllegalStateException( 5969 "Trying to set the device owner, but device owner is already set."); 5970 case CODE_USER_HAS_PROFILE_OWNER: 5971 throw new IllegalStateException("Trying to set the device owner, but the user " 5972 + "already has a profile owner."); 5973 case CODE_USER_NOT_RUNNING: 5974 throw new IllegalStateException("User not running: " + userId); 5975 case CODE_NOT_SYSTEM_USER: 5976 throw new IllegalStateException("User is not system user"); 5977 case CODE_USER_SETUP_COMPLETED: 5978 throw new IllegalStateException( 5979 "Cannot set the device owner if the device is already set-up"); 5980 case CODE_NONSYSTEM_USER_EXISTS: 5981 throw new IllegalStateException("Not allowed to set the device owner because there " 5982 + "are already several users on the device"); 5983 case CODE_ACCOUNTS_NOT_EMPTY: 5984 throw new IllegalStateException("Not allowed to set the device owner because there " 5985 + "are already some accounts on the device"); 5986 default: 5987 throw new IllegalStateException("Unknown @DeviceOwnerPreConditionCode " + code); 5988 } 5989 } 5990 5991 private void enforceUserUnlocked(int userId) { 5992 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 5993 "User must be running and unlocked"); 5994 } 5995 5996 private void enforceManageUsers() { 5997 final int callingUid = mInjector.binderGetCallingUid(); 5998 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 5999 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6000 } 6001 } 6002 6003 private void enforceFullCrossUsersPermission(int userHandle) { 6004 enforceSystemUserOrPermission(userHandle, 6005 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6006 } 6007 6008 private void enforceCrossUsersPermission(int userHandle) { 6009 enforceSystemUserOrPermission(userHandle, 6010 android.Manifest.permission.INTERACT_ACROSS_USERS); 6011 } 6012 6013 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6014 if (userHandle < 0) { 6015 throw new IllegalArgumentException("Invalid userId " + userHandle); 6016 } 6017 final int callingUid = mInjector.binderGetCallingUid(); 6018 if (userHandle == UserHandle.getUserId(callingUid)) { 6019 return; 6020 } 6021 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6022 mContext.enforceCallingOrSelfPermission(permission, 6023 "Must be system or have " + permission + " permission"); 6024 } 6025 } 6026 6027 private void enforceManagedProfile(int userHandle, String message) { 6028 if(!isManagedProfile(userHandle)) { 6029 throw new SecurityException("You can not " + message + " outside a managed profile."); 6030 } 6031 } 6032 6033 private void enforceNotManagedProfile(int userHandle, String message) { 6034 if(isManagedProfile(userHandle)) { 6035 throw new SecurityException("You can not " + message + " for a managed profile."); 6036 } 6037 } 6038 6039 private boolean isCallerWithSystemUid() { 6040 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6041 } 6042 6043 private int getProfileParentId(int userHandle) { 6044 final long ident = mInjector.binderClearCallingIdentity(); 6045 try { 6046 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6047 return parentUser != null ? parentUser.id : userHandle; 6048 } finally { 6049 mInjector.binderRestoreCallingIdentity(ident); 6050 } 6051 } 6052 6053 private int getCredentialOwner(int userHandle, boolean parent) { 6054 final long ident = mInjector.binderClearCallingIdentity(); 6055 try { 6056 if (parent) { 6057 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6058 if (parentProfile != null) { 6059 userHandle = parentProfile.id; 6060 } 6061 } 6062 return mUserManager.getCredentialOwnerProfile(userHandle); 6063 } finally { 6064 mInjector.binderRestoreCallingIdentity(ident); 6065 } 6066 } 6067 6068 private boolean isManagedProfile(int userHandle) { 6069 long ident = mInjector.binderClearCallingIdentity(); 6070 try { 6071 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 6072 } finally { 6073 mInjector.binderRestoreCallingIdentity(ident); 6074 } 6075 } 6076 6077 private void enableIfNecessary(String packageName, int userId) { 6078 try { 6079 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6080 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6081 userId); 6082 if (ai.enabledSetting 6083 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6084 mIPackageManager.setApplicationEnabledSetting(packageName, 6085 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6086 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6087 } 6088 } catch (RemoteException e) { 6089 } 6090 } 6091 6092 @Override 6093 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6094 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6095 != PackageManager.PERMISSION_GRANTED) { 6096 6097 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6098 + mInjector.binderGetCallingPid() 6099 + ", uid=" + mInjector.binderGetCallingUid()); 6100 return; 6101 } 6102 6103 synchronized (this) { 6104 pw.println("Current Device Policy Manager state:"); 6105 mOwners.dump(" ", pw); 6106 int userCount = mUserData.size(); 6107 for (int u = 0; u < userCount; u++) { 6108 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6109 pw.println(); 6110 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6111 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6112 final int N = policy.mAdminList.size(); 6113 for (int i=0; i<N; i++) { 6114 ActiveAdmin ap = policy.mAdminList.get(i); 6115 if (ap != null) { 6116 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6117 pw.println(":"); 6118 ap.dump(" ", pw); 6119 } 6120 } 6121 if (!policy.mRemovingAdmins.isEmpty()) { 6122 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6123 + policy.mRemovingAdmins); 6124 } 6125 6126 pw.println(" "); 6127 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6128 } 6129 } 6130 } 6131 6132 @Override 6133 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6134 ComponentName activity) { 6135 Preconditions.checkNotNull(who, "ComponentName is null"); 6136 final int userHandle = UserHandle.getCallingUserId(); 6137 synchronized (this) { 6138 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6139 6140 long id = mInjector.binderClearCallingIdentity(); 6141 try { 6142 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6143 } catch (RemoteException re) { 6144 // Shouldn't happen 6145 } finally { 6146 mInjector.binderRestoreCallingIdentity(id); 6147 } 6148 } 6149 } 6150 6151 @Override 6152 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6153 Preconditions.checkNotNull(who, "ComponentName is null"); 6154 final int userHandle = UserHandle.getCallingUserId(); 6155 synchronized (this) { 6156 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6157 6158 long id = mInjector.binderClearCallingIdentity(); 6159 try { 6160 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6161 } catch (RemoteException re) { 6162 // Shouldn't happen 6163 } finally { 6164 mInjector.binderRestoreCallingIdentity(id); 6165 } 6166 } 6167 } 6168 6169 @Override 6170 public void setApplicationRestrictionsManagingPackage(ComponentName admin, String packageName) { 6171 Preconditions.checkNotNull(admin, "ComponentName is null"); 6172 6173 final int userHandle = mInjector.userHandleGetCallingUserId(); 6174 synchronized (this) { 6175 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6176 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6177 throw new IllegalArgumentException("Package " + packageName + " is not installed " 6178 + "on the current user"); 6179 } 6180 DevicePolicyData policy = getUserData(userHandle); 6181 policy.mApplicationRestrictionsManagingPackage = packageName; 6182 saveSettingsLocked(userHandle); 6183 } 6184 } 6185 6186 @Override 6187 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6188 Preconditions.checkNotNull(admin, "ComponentName is null"); 6189 6190 final int userHandle = mInjector.userHandleGetCallingUserId(); 6191 synchronized (this) { 6192 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6193 DevicePolicyData policy = getUserData(userHandle); 6194 return policy.mApplicationRestrictionsManagingPackage; 6195 } 6196 } 6197 6198 @Override 6199 public boolean isCallerApplicationRestrictionsManagingPackage() { 6200 final int callingUid = mInjector.binderGetCallingUid(); 6201 final int userHandle = UserHandle.getUserId(callingUid); 6202 synchronized (this) { 6203 final DevicePolicyData policy = getUserData(userHandle); 6204 if (policy.mApplicationRestrictionsManagingPackage == null) { 6205 return false; 6206 } 6207 6208 try { 6209 int uid = mContext.getPackageManager().getPackageUidAsUser( 6210 policy.mApplicationRestrictionsManagingPackage, userHandle); 6211 return uid == callingUid; 6212 } catch (NameNotFoundException e) { 6213 return false; 6214 } 6215 } 6216 } 6217 6218 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6219 if (who != null) { 6220 synchronized (this) { 6221 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6222 } 6223 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6224 throw new SecurityException( 6225 "No admin component given, and caller cannot manage application restrictions " 6226 + "for other apps."); 6227 } 6228 } 6229 6230 @Override 6231 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6232 enforceCanManageApplicationRestrictions(who); 6233 6234 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6235 final long id = mInjector.binderClearCallingIdentity(); 6236 try { 6237 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6238 } finally { 6239 mInjector.binderRestoreCallingIdentity(id); 6240 } 6241 } 6242 6243 @Override 6244 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6245 PersistableBundle args) { 6246 if (!mHasFeature) { 6247 return; 6248 } 6249 Preconditions.checkNotNull(admin, "admin is null"); 6250 Preconditions.checkNotNull(agent, "agent is null"); 6251 final int userHandle = UserHandle.getCallingUserId(); 6252 enforceNotManagedProfile(userHandle, "set trust agent configuration"); 6253 synchronized (this) { 6254 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6255 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 6256 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6257 saveSettingsLocked(userHandle); 6258 } 6259 } 6260 6261 @Override 6262 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6263 ComponentName agent, int userHandle) { 6264 if (!mHasFeature) { 6265 return null; 6266 } 6267 Preconditions.checkNotNull(agent, "agent null"); 6268 enforceFullCrossUsersPermission(userHandle); 6269 6270 synchronized (this) { 6271 final String componentName = agent.flattenToString(); 6272 if (admin != null) { 6273 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 6274 if (ap == null) return null; 6275 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6276 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6277 List<PersistableBundle> result = new ArrayList<PersistableBundle>(); 6278 result.add(trustAgentInfo.options); 6279 return result; 6280 } 6281 6282 // Return strictest policy for this user and profiles that are visible from this user. 6283 final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 6284 List<PersistableBundle> result = null; 6285 6286 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6287 // of the options. If any admin doesn't have options, discard options for the rest 6288 // and return null. 6289 boolean allAdminsHaveOptions = true; 6290 for (UserInfo userInfo : profiles) { 6291 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 6292 final int N = policy.mAdminList.size(); 6293 for (int i=0; i < N; i++) { 6294 final ActiveAdmin active = policy.mAdminList.get(i); 6295 final boolean disablesTrust = (active.disabledKeyguardFeatures 6296 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6297 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6298 if (info != null && info.options != null && !info.options.isEmpty()) { 6299 if (disablesTrust) { 6300 if (result == null) { 6301 result = new ArrayList<PersistableBundle>(); 6302 } 6303 result.add(info.options); 6304 } else { 6305 Log.w(LOG_TAG, "Ignoring admin " + active.info 6306 + " because it has trust options but doesn't declare " 6307 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6308 } 6309 } else if (disablesTrust) { 6310 allAdminsHaveOptions = false; 6311 break; 6312 } 6313 } 6314 } 6315 return allAdminsHaveOptions ? result : null; 6316 } 6317 } 6318 6319 @Override 6320 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 6321 Preconditions.checkNotNull(who, "ComponentName is null"); 6322 synchronized (this) { 6323 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6324 6325 int userHandle = UserHandle.getCallingUserId(); 6326 DevicePolicyData userData = getUserData(userHandle); 6327 userData.mRestrictionsProvider = permissionProvider; 6328 saveSettingsLocked(userHandle); 6329 } 6330 } 6331 6332 @Override 6333 public ComponentName getRestrictionsProvider(int userHandle) { 6334 synchronized (this) { 6335 if (!isCallerWithSystemUid()) { 6336 throw new SecurityException("Only the system can query the permission provider"); 6337 } 6338 DevicePolicyData userData = getUserData(userHandle); 6339 return userData != null ? userData.mRestrictionsProvider : null; 6340 } 6341 } 6342 6343 @Override 6344 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 6345 Preconditions.checkNotNull(who, "ComponentName is null"); 6346 int callingUserId = UserHandle.getCallingUserId(); 6347 synchronized (this) { 6348 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6349 6350 long id = mInjector.binderClearCallingIdentity(); 6351 try { 6352 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6353 if (parent == null) { 6354 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 6355 + "parent"); 6356 return; 6357 } 6358 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 6359 mIPackageManager.addCrossProfileIntentFilter( 6360 filter, who.getPackageName(), callingUserId, parent.id, 0); 6361 } 6362 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 6363 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 6364 parent.id, callingUserId, 0); 6365 } 6366 } catch (RemoteException re) { 6367 // Shouldn't happen 6368 } finally { 6369 mInjector.binderRestoreCallingIdentity(id); 6370 } 6371 } 6372 } 6373 6374 @Override 6375 public void clearCrossProfileIntentFilters(ComponentName who) { 6376 Preconditions.checkNotNull(who, "ComponentName is null"); 6377 int callingUserId = UserHandle.getCallingUserId(); 6378 synchronized (this) { 6379 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6380 long id = mInjector.binderClearCallingIdentity(); 6381 try { 6382 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6383 if (parent == null) { 6384 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 6385 + "parent"); 6386 return; 6387 } 6388 // Removing those that go from the managed profile to the parent. 6389 mIPackageManager.clearCrossProfileIntentFilters( 6390 callingUserId, who.getPackageName()); 6391 // And those that go from the parent to the managed profile. 6392 // If we want to support multiple managed profiles, we will have to only remove 6393 // those that have callingUserId as their target. 6394 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 6395 } catch (RemoteException re) { 6396 // Shouldn't happen 6397 } finally { 6398 mInjector.binderRestoreCallingIdentity(id); 6399 } 6400 } 6401 } 6402 6403 /** 6404 * @return true if all packages in enabledPackages are either in the list 6405 * permittedList or are a system app. 6406 */ 6407 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 6408 List<String> permittedList, int userIdToCheck) { 6409 long id = mInjector.binderClearCallingIdentity(); 6410 try { 6411 // If we have an enabled packages list for a managed profile the packages 6412 // we should check are installed for the parent user. 6413 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 6414 if (user.isManagedProfile()) { 6415 userIdToCheck = user.profileGroupId; 6416 } 6417 6418 for (String enabledPackage : enabledPackages) { 6419 boolean systemService = false; 6420 try { 6421 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 6422 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 6423 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6424 } catch (RemoteException e) { 6425 Log.i(LOG_TAG, "Can't talk to package managed", e); 6426 } 6427 if (!systemService && !permittedList.contains(enabledPackage)) { 6428 return false; 6429 } 6430 } 6431 } finally { 6432 mInjector.binderRestoreCallingIdentity(id); 6433 } 6434 return true; 6435 } 6436 6437 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 6438 // Not using AccessibilityManager.getInstance because that guesses 6439 // at the user you require based on callingUid and caches for a given 6440 // process. 6441 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 6442 IAccessibilityManager service = iBinder == null 6443 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 6444 return new AccessibilityManager(mContext, service, userId); 6445 } 6446 6447 @Override 6448 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 6449 if (!mHasFeature) { 6450 return false; 6451 } 6452 Preconditions.checkNotNull(who, "ComponentName is null"); 6453 6454 if (packageList != null) { 6455 int userId = UserHandle.getCallingUserId(); 6456 List<AccessibilityServiceInfo> enabledServices = null; 6457 long id = mInjector.binderClearCallingIdentity(); 6458 try { 6459 UserInfo user = mUserManager.getUserInfo(userId); 6460 if (user.isManagedProfile()) { 6461 userId = user.profileGroupId; 6462 } 6463 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 6464 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 6465 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 6466 } finally { 6467 mInjector.binderRestoreCallingIdentity(id); 6468 } 6469 6470 if (enabledServices != null) { 6471 List<String> enabledPackages = new ArrayList<String>(); 6472 for (AccessibilityServiceInfo service : enabledServices) { 6473 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 6474 } 6475 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6476 userId)) { 6477 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 6478 + "because it contains already enabled accesibility services."); 6479 return false; 6480 } 6481 } 6482 } 6483 6484 synchronized (this) { 6485 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6486 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6487 admin.permittedAccessiblityServices = packageList; 6488 saveSettingsLocked(UserHandle.getCallingUserId()); 6489 } 6490 return true; 6491 } 6492 6493 @Override 6494 public List getPermittedAccessibilityServices(ComponentName who) { 6495 if (!mHasFeature) { 6496 return null; 6497 } 6498 Preconditions.checkNotNull(who, "ComponentName is null"); 6499 6500 synchronized (this) { 6501 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6502 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6503 return admin.permittedAccessiblityServices; 6504 } 6505 } 6506 6507 @Override 6508 public List getPermittedAccessibilityServicesForUser(int userId) { 6509 if (!mHasFeature) { 6510 return null; 6511 } 6512 synchronized (this) { 6513 List<String> result = null; 6514 // If we have multiple profiles we return the intersection of the 6515 // permitted lists. This can happen in cases where we have a device 6516 // and profile owner. 6517 List<UserInfo> profiles = mUserManager.getProfiles(userId); 6518 final int PROFILES_SIZE = profiles.size(); 6519 for (int i = 0; i < PROFILES_SIZE; ++i) { 6520 // Just loop though all admins, only device or profiles 6521 // owners can have permitted lists set. 6522 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 6523 final int N = policy.mAdminList.size(); 6524 for (int j = 0; j < N; j++) { 6525 ActiveAdmin admin = policy.mAdminList.get(j); 6526 List<String> fromAdmin = admin.permittedAccessiblityServices; 6527 if (fromAdmin != null) { 6528 if (result == null) { 6529 result = new ArrayList<String>(fromAdmin); 6530 } else { 6531 result.retainAll(fromAdmin); 6532 } 6533 } 6534 } 6535 } 6536 6537 // If we have a permitted list add all system accessibility services. 6538 if (result != null) { 6539 long id = mInjector.binderClearCallingIdentity(); 6540 try { 6541 UserInfo user = mUserManager.getUserInfo(userId); 6542 if (user.isManagedProfile()) { 6543 userId = user.profileGroupId; 6544 } 6545 AccessibilityManager accessibilityManager = 6546 getAccessibilityManagerForUser(userId); 6547 List<AccessibilityServiceInfo> installedServices = 6548 accessibilityManager.getInstalledAccessibilityServiceList(); 6549 6550 if (installedServices != null) { 6551 for (AccessibilityServiceInfo service : installedServices) { 6552 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 6553 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6554 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6555 result.add(serviceInfo.packageName); 6556 } 6557 } 6558 } 6559 } finally { 6560 mInjector.binderRestoreCallingIdentity(id); 6561 } 6562 } 6563 6564 return result; 6565 } 6566 } 6567 6568 @Override 6569 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 6570 int userHandle) { 6571 if (!mHasFeature) { 6572 return true; 6573 } 6574 Preconditions.checkNotNull(who, "ComponentName is null"); 6575 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 6576 if (!isCallerWithSystemUid()){ 6577 throw new SecurityException( 6578 "Only the system can query if an accessibility service is disabled by admin"); 6579 } 6580 synchronized (this) { 6581 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6582 if (admin.permittedAccessiblityServices == null) { 6583 return true; 6584 } 6585 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 6586 admin.permittedAccessiblityServices, userHandle); 6587 } 6588 } 6589 6590 private boolean checkCallerIsCurrentUserOrProfile() { 6591 int callingUserId = UserHandle.getCallingUserId(); 6592 long token = mInjector.binderClearCallingIdentity(); 6593 try { 6594 UserInfo currentUser; 6595 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 6596 try { 6597 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6598 } catch (RemoteException e) { 6599 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 6600 return false; 6601 } 6602 6603 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 6604 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 6605 + "of a user that isn't the foreground user."); 6606 return false; 6607 } 6608 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 6609 Slog.e(LOG_TAG, "Cannot set permitted input methods " 6610 + "of a user that isn't the foreground user."); 6611 return false; 6612 } 6613 } finally { 6614 mInjector.binderRestoreCallingIdentity(token); 6615 } 6616 return true; 6617 } 6618 6619 @Override 6620 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 6621 if (!mHasFeature) { 6622 return false; 6623 } 6624 Preconditions.checkNotNull(who, "ComponentName is null"); 6625 6626 // TODO When InputMethodManager supports per user calls remove 6627 // this restriction. 6628 if (!checkCallerIsCurrentUserOrProfile()) { 6629 return false; 6630 } 6631 6632 if (packageList != null) { 6633 // InputMethodManager fetches input methods for current user. 6634 // So this can only be set when calling user is the current user 6635 // or parent is current user in case of managed profiles. 6636 InputMethodManager inputMethodManager = 6637 mContext.getSystemService(InputMethodManager.class); 6638 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 6639 6640 if (enabledImes != null) { 6641 List<String> enabledPackages = new ArrayList<String>(); 6642 for (InputMethodInfo ime : enabledImes) { 6643 enabledPackages.add(ime.getPackageName()); 6644 } 6645 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6646 mInjector.binderGetCallingUserHandle().getIdentifier())) { 6647 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 6648 + "because it contains already enabled input method."); 6649 return false; 6650 } 6651 } 6652 } 6653 6654 synchronized (this) { 6655 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6656 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6657 admin.permittedInputMethods = packageList; 6658 saveSettingsLocked(UserHandle.getCallingUserId()); 6659 } 6660 return true; 6661 } 6662 6663 @Override 6664 public List getPermittedInputMethods(ComponentName who) { 6665 if (!mHasFeature) { 6666 return null; 6667 } 6668 Preconditions.checkNotNull(who, "ComponentName is null"); 6669 6670 synchronized (this) { 6671 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6672 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6673 return admin.permittedInputMethods; 6674 } 6675 } 6676 6677 @Override 6678 public List getPermittedInputMethodsForCurrentUser() { 6679 UserInfo currentUser; 6680 try { 6681 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6682 } catch (RemoteException e) { 6683 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 6684 // Activity managed is dead, just allow all IMEs 6685 return null; 6686 } 6687 6688 int userId = currentUser.id; 6689 synchronized (this) { 6690 List<String> result = null; 6691 // If we have multiple profiles we return the intersection of the 6692 // permitted lists. This can happen in cases where we have a device 6693 // and profile owner. 6694 List<UserInfo> profiles = mUserManager.getProfiles(userId); 6695 final int PROFILES_SIZE = profiles.size(); 6696 for (int i = 0; i < PROFILES_SIZE; ++i) { 6697 // Just loop though all admins, only device or profiles 6698 // owners can have permitted lists set. 6699 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 6700 final int N = policy.mAdminList.size(); 6701 for (int j = 0; j < N; j++) { 6702 ActiveAdmin admin = policy.mAdminList.get(j); 6703 List<String> fromAdmin = admin.permittedInputMethods; 6704 if (fromAdmin != null) { 6705 if (result == null) { 6706 result = new ArrayList<String>(fromAdmin); 6707 } else { 6708 result.retainAll(fromAdmin); 6709 } 6710 } 6711 } 6712 } 6713 6714 // If we have a permitted list add all system input methods. 6715 if (result != null) { 6716 InputMethodManager inputMethodManager = 6717 mContext.getSystemService(InputMethodManager.class); 6718 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 6719 long id = mInjector.binderClearCallingIdentity(); 6720 try { 6721 if (imes != null) { 6722 for (InputMethodInfo ime : imes) { 6723 ServiceInfo serviceInfo = ime.getServiceInfo(); 6724 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6725 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6726 result.add(serviceInfo.packageName); 6727 } 6728 } 6729 } 6730 } finally { 6731 mInjector.binderRestoreCallingIdentity(id); 6732 } 6733 } 6734 return result; 6735 } 6736 } 6737 6738 @Override 6739 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 6740 int userHandle) { 6741 if (!mHasFeature) { 6742 return true; 6743 } 6744 Preconditions.checkNotNull(who, "ComponentName is null"); 6745 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 6746 if (!isCallerWithSystemUid()) { 6747 throw new SecurityException( 6748 "Only the system can query if an input method is disabled by admin"); 6749 } 6750 synchronized (this) { 6751 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6752 if (admin.permittedInputMethods == null) { 6753 return true; 6754 } 6755 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 6756 admin.permittedInputMethods, userHandle); 6757 } 6758 } 6759 6760 private void sendAdminEnabledBroadcastLocked(int userHandle) { 6761 DevicePolicyData policyData = getUserData(userHandle); 6762 if (policyData.mAdminBroadcastPending) { 6763 // Send the initialization data to profile owner and delete the data 6764 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 6765 if (admin != null) { 6766 PersistableBundle initBundle = policyData.mInitBundle; 6767 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 6768 initBundle == null ? null : new Bundle(initBundle), null); 6769 } 6770 policyData.mInitBundle = null; 6771 policyData.mAdminBroadcastPending = false; 6772 saveSettingsLocked(userHandle); 6773 } 6774 } 6775 6776 @Override 6777 public UserHandle createAndManageUser(ComponentName admin, String name, 6778 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 6779 Preconditions.checkNotNull(admin, "admin is null"); 6780 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 6781 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 6782 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 6783 + admin + " are not in the same package"); 6784 } 6785 // Only allow the system user to use this method 6786 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 6787 throw new SecurityException("createAndManageUser was called from non-system user"); 6788 } 6789 if (!mInjector.userManagerIsSplitSystemUser() 6790 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 6791 throw new IllegalArgumentException( 6792 "Ephemeral users are only supported on systems with a split system user."); 6793 } 6794 // Create user. 6795 UserHandle user = null; 6796 synchronized (this) { 6797 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6798 6799 final long id = mInjector.binderClearCallingIdentity(); 6800 try { 6801 int userInfoFlags = 0; 6802 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 6803 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 6804 } 6805 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 6806 userInfoFlags); 6807 if (userInfo != null) { 6808 user = userInfo.getUserHandle(); 6809 } 6810 } finally { 6811 mInjector.binderRestoreCallingIdentity(id); 6812 } 6813 } 6814 if (user == null) { 6815 return null; 6816 } 6817 // Set admin. 6818 final long id = mInjector.binderClearCallingIdentity(); 6819 try { 6820 final String adminPkg = admin.getPackageName(); 6821 6822 final int userHandle = user.getIdentifier(); 6823 try { 6824 // Install the profile owner if not present. 6825 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 6826 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 6827 } 6828 } catch (RemoteException e) { 6829 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 6830 + "removing created user", e); 6831 mUserManager.removeUser(user.getIdentifier()); 6832 return null; 6833 } 6834 6835 setActiveAdmin(profileOwner, true, userHandle); 6836 // User is not started yet, the broadcast by setActiveAdmin will not be received. 6837 // So we store adminExtras for broadcasting when the user starts for first time. 6838 synchronized(this) { 6839 DevicePolicyData policyData = getUserData(userHandle); 6840 policyData.mInitBundle = adminExtras; 6841 policyData.mAdminBroadcastPending = true; 6842 saveSettingsLocked(userHandle); 6843 } 6844 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 6845 setProfileOwner(profileOwner, ownerName, userHandle); 6846 6847 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 6848 Settings.Secure.putIntForUser(mContext.getContentResolver(), 6849 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 6850 } 6851 6852 return user; 6853 } finally { 6854 mInjector.binderRestoreCallingIdentity(id); 6855 } 6856 } 6857 6858 @Override 6859 public boolean removeUser(ComponentName who, UserHandle userHandle) { 6860 Preconditions.checkNotNull(who, "ComponentName is null"); 6861 synchronized (this) { 6862 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6863 6864 long id = mInjector.binderClearCallingIdentity(); 6865 try { 6866 return mUserManager.removeUser(userHandle.getIdentifier()); 6867 } finally { 6868 mInjector.binderRestoreCallingIdentity(id); 6869 } 6870 } 6871 } 6872 6873 @Override 6874 public boolean switchUser(ComponentName who, UserHandle userHandle) { 6875 Preconditions.checkNotNull(who, "ComponentName is null"); 6876 synchronized (this) { 6877 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6878 6879 long id = mInjector.binderClearCallingIdentity(); 6880 try { 6881 int userId = UserHandle.USER_SYSTEM; 6882 if (userHandle != null) { 6883 userId = userHandle.getIdentifier(); 6884 } 6885 return mInjector.getIActivityManager().switchUser(userId); 6886 } catch (RemoteException e) { 6887 Log.e(LOG_TAG, "Couldn't switch user", e); 6888 return false; 6889 } finally { 6890 mInjector.binderRestoreCallingIdentity(id); 6891 } 6892 } 6893 } 6894 6895 @Override 6896 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 6897 enforceCanManageApplicationRestrictions(who); 6898 6899 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6900 final long id = mInjector.binderClearCallingIdentity(); 6901 try { 6902 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 6903 // if no restrictions were saved, mUserManager.getApplicationRestrictions 6904 // returns null, but DPM method should return an empty Bundle as per JavaDoc 6905 return bundle != null ? bundle : Bundle.EMPTY; 6906 } finally { 6907 mInjector.binderRestoreCallingIdentity(id); 6908 } 6909 } 6910 6911 @Override 6912 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 6913 boolean suspended) { 6914 Preconditions.checkNotNull(who, "ComponentName is null"); 6915 int callingUserId = UserHandle.getCallingUserId(); 6916 synchronized (this) { 6917 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6918 6919 long id = mInjector.binderClearCallingIdentity(); 6920 try { 6921 return mIPackageManager.setPackagesSuspendedAsUser( 6922 packageNames, suspended, callingUserId); 6923 } catch (RemoteException re) { 6924 // Shouldn't happen. 6925 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 6926 } finally { 6927 mInjector.binderRestoreCallingIdentity(id); 6928 } 6929 return packageNames; 6930 } 6931 } 6932 6933 @Override 6934 public boolean getPackageSuspended(ComponentName who, String packageName) { 6935 Preconditions.checkNotNull(who, "ComponentName is null"); 6936 int callingUserId = UserHandle.getCallingUserId(); 6937 synchronized (this) { 6938 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6939 6940 long id = mInjector.binderClearCallingIdentity(); 6941 try { 6942 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 6943 } catch (RemoteException re) { 6944 // Shouldn't happen. 6945 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 6946 } finally { 6947 mInjector.binderRestoreCallingIdentity(id); 6948 } 6949 return false; 6950 } 6951 } 6952 6953 @Override 6954 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 6955 Preconditions.checkNotNull(who, "ComponentName is null"); 6956 if (!UserRestrictionsUtils.isValidRestriction(key)) { 6957 return; 6958 } 6959 6960 final int userHandle = mInjector.userHandleGetCallingUserId(); 6961 synchronized (this) { 6962 ActiveAdmin activeAdmin = 6963 getActiveAdminForCallerLocked(who, 6964 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6965 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 6966 if (isDeviceOwner) { 6967 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 6968 throw new SecurityException("Device owner cannot set user restriction " + key); 6969 } 6970 } else { // profile owner 6971 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 6972 throw new SecurityException("Profile owner cannot set user restriction " + key); 6973 } 6974 } 6975 6976 // Save the restriction to ActiveAdmin. 6977 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 6978 saveSettingsLocked(userHandle); 6979 6980 pushUserRestrictions(userHandle); 6981 6982 sendChangedNotification(userHandle); 6983 } 6984 } 6985 6986 private void pushUserRestrictions(int userId) { 6987 synchronized (this) { 6988 final Bundle global; 6989 final Bundle local = new Bundle(); 6990 if (mOwners.isDeviceOwnerUserId(userId)) { 6991 global = new Bundle(); 6992 6993 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6994 if (deviceOwner == null) { 6995 return; // Shouldn't happen. 6996 } 6997 6998 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 6999 global, local); 7000 // DO can disable camera globally. 7001 if (deviceOwner.disableCamera) { 7002 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 7003 } 7004 } else { 7005 global = null; 7006 7007 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7008 if (profileOwner != null) { 7009 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7010 } 7011 } 7012 // Also merge in *local* camera restriction. 7013 if (getCameraDisabled(/* who= */ null, 7014 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7015 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7016 } 7017 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7018 } 7019 } 7020 7021 @Override 7022 public Bundle getUserRestrictions(ComponentName who, int userHandle) { 7023 Preconditions.checkNotNull(who, "ComponentName is null"); 7024 enforceFullCrossUsersPermission(userHandle); 7025 synchronized (this) { 7026 ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(who, userHandle); 7027 if (activeAdmin == null) { 7028 throw new SecurityException("No active admin: " + activeAdmin); 7029 } 7030 if (activeAdmin.getUid() != mInjector.binderGetCallingUid()) { 7031 mContext.enforceCallingOrSelfPermission( 7032 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, 7033 "Calling uid " + mInjector.binderGetCallingUid() + " neither owns the admin" 7034 + " " + who + " nor has MANAGE_PROFILE_AND_DEVICE_OWNERS permission"); 7035 } 7036 return activeAdmin.userRestrictions; 7037 } 7038 } 7039 7040 @Override 7041 public boolean setApplicationHidden(ComponentName who, String packageName, 7042 boolean hidden) { 7043 Preconditions.checkNotNull(who, "ComponentName is null"); 7044 int callingUserId = UserHandle.getCallingUserId(); 7045 synchronized (this) { 7046 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7047 7048 long id = mInjector.binderClearCallingIdentity(); 7049 try { 7050 return mIPackageManager.setApplicationHiddenSettingAsUser( 7051 packageName, hidden, callingUserId); 7052 } catch (RemoteException re) { 7053 // shouldn't happen 7054 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7055 } finally { 7056 mInjector.binderRestoreCallingIdentity(id); 7057 } 7058 return false; 7059 } 7060 } 7061 7062 @Override 7063 public boolean isApplicationHidden(ComponentName who, String packageName) { 7064 Preconditions.checkNotNull(who, "ComponentName is null"); 7065 int callingUserId = UserHandle.getCallingUserId(); 7066 synchronized (this) { 7067 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7068 7069 long id = mInjector.binderClearCallingIdentity(); 7070 try { 7071 return mIPackageManager.getApplicationHiddenSettingAsUser( 7072 packageName, callingUserId); 7073 } catch (RemoteException re) { 7074 // shouldn't happen 7075 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7076 } finally { 7077 mInjector.binderRestoreCallingIdentity(id); 7078 } 7079 return false; 7080 } 7081 } 7082 7083 @Override 7084 public void enableSystemApp(ComponentName who, String packageName) { 7085 Preconditions.checkNotNull(who, "ComponentName is null"); 7086 synchronized (this) { 7087 // This API can only be called by an active device admin, 7088 // so try to retrieve it to check that the caller is one. 7089 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7090 7091 int userId = UserHandle.getCallingUserId(); 7092 long id = mInjector.binderClearCallingIdentity(); 7093 7094 try { 7095 if (VERBOSE_LOG) { 7096 Slog.v(LOG_TAG, "installing " + packageName + " for " 7097 + userId); 7098 } 7099 7100 int parentUserId = getProfileParentId(userId); 7101 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7102 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7103 } 7104 7105 // Install the app. 7106 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7107 7108 } catch (RemoteException re) { 7109 // shouldn't happen 7110 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7111 } finally { 7112 mInjector.binderRestoreCallingIdentity(id); 7113 } 7114 } 7115 } 7116 7117 @Override 7118 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7119 Preconditions.checkNotNull(who, "ComponentName is null"); 7120 synchronized (this) { 7121 // This API can only be called by an active device admin, 7122 // so try to retrieve it to check that the caller is one. 7123 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7124 7125 int userId = UserHandle.getCallingUserId(); 7126 long id = mInjector.binderClearCallingIdentity(); 7127 7128 try { 7129 int parentUserId = getProfileParentId(userId); 7130 List<ResolveInfo> activitiesToEnable = mIPackageManager.queryIntentActivities( 7131 intent, 7132 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7133 PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE, 7134 parentUserId).getList(); 7135 7136 if (VERBOSE_LOG) { 7137 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7138 } 7139 int numberOfAppsInstalled = 0; 7140 if (activitiesToEnable != null) { 7141 for (ResolveInfo info : activitiesToEnable) { 7142 if (info.activityInfo != null) { 7143 String packageName = info.activityInfo.packageName; 7144 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7145 numberOfAppsInstalled++; 7146 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7147 } else { 7148 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7149 + " system app"); 7150 } 7151 } 7152 } 7153 } 7154 return numberOfAppsInstalled; 7155 } catch (RemoteException e) { 7156 // shouldn't happen 7157 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7158 return 0; 7159 } finally { 7160 mInjector.binderRestoreCallingIdentity(id); 7161 } 7162 } 7163 } 7164 7165 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7166 throws RemoteException { 7167 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 7168 userId); 7169 if (appInfo == null) { 7170 throw new IllegalArgumentException("The application " + packageName + 7171 " is not present on this device"); 7172 } 7173 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7174 } 7175 7176 @Override 7177 public void setAccountManagementDisabled(ComponentName who, String accountType, 7178 boolean disabled) { 7179 if (!mHasFeature) { 7180 return; 7181 } 7182 Preconditions.checkNotNull(who, "ComponentName is null"); 7183 synchronized (this) { 7184 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7185 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7186 if (disabled) { 7187 ap.accountTypesWithManagementDisabled.add(accountType); 7188 } else { 7189 ap.accountTypesWithManagementDisabled.remove(accountType); 7190 } 7191 saveSettingsLocked(UserHandle.getCallingUserId()); 7192 } 7193 } 7194 7195 @Override 7196 public String[] getAccountTypesWithManagementDisabled() { 7197 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7198 } 7199 7200 @Override 7201 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7202 enforceFullCrossUsersPermission(userId); 7203 if (!mHasFeature) { 7204 return null; 7205 } 7206 synchronized (this) { 7207 DevicePolicyData policy = getUserData(userId); 7208 final int N = policy.mAdminList.size(); 7209 ArraySet<String> resultSet = new ArraySet<>(); 7210 for (int i = 0; i < N; i++) { 7211 ActiveAdmin admin = policy.mAdminList.get(i); 7212 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7213 } 7214 return resultSet.toArray(new String[resultSet.size()]); 7215 } 7216 } 7217 7218 @Override 7219 public void setUninstallBlocked(ComponentName who, String packageName, 7220 boolean uninstallBlocked) { 7221 Preconditions.checkNotNull(who, "ComponentName is null"); 7222 final int userId = UserHandle.getCallingUserId(); 7223 synchronized (this) { 7224 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7225 7226 long id = mInjector.binderClearCallingIdentity(); 7227 try { 7228 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7229 } catch (RemoteException re) { 7230 // Shouldn't happen. 7231 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7232 } finally { 7233 mInjector.binderRestoreCallingIdentity(id); 7234 } 7235 } 7236 } 7237 7238 @Override 7239 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7240 // This function should return true if and only if the package is blocked by 7241 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7242 // when the package is a system app, or when it is an active device admin. 7243 final int userId = UserHandle.getCallingUserId(); 7244 7245 synchronized (this) { 7246 if (who != null) { 7247 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7248 } 7249 7250 long id = mInjector.binderClearCallingIdentity(); 7251 try { 7252 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7253 } catch (RemoteException re) { 7254 // Shouldn't happen. 7255 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7256 } finally { 7257 mInjector.binderRestoreCallingIdentity(id); 7258 } 7259 } 7260 return false; 7261 } 7262 7263 @Override 7264 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7265 if (!mHasFeature) { 7266 return; 7267 } 7268 Preconditions.checkNotNull(who, "ComponentName is null"); 7269 synchronized (this) { 7270 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7271 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7272 if (admin.disableCallerId != disabled) { 7273 admin.disableCallerId = disabled; 7274 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7275 } 7276 } 7277 } 7278 7279 @Override 7280 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7281 if (!mHasFeature) { 7282 return false; 7283 } 7284 Preconditions.checkNotNull(who, "ComponentName is null"); 7285 synchronized (this) { 7286 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7287 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7288 return admin.disableCallerId; 7289 } 7290 } 7291 7292 @Override 7293 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 7294 enforceCrossUsersPermission(userId); 7295 synchronized (this) { 7296 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7297 return (admin != null) ? admin.disableCallerId : false; 7298 } 7299 } 7300 7301 @Override 7302 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 7303 if (!mHasFeature) { 7304 return; 7305 } 7306 Preconditions.checkNotNull(who, "ComponentName is null"); 7307 synchronized (this) { 7308 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7309 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7310 if (admin.disableContactsSearch != disabled) { 7311 admin.disableContactsSearch = disabled; 7312 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7313 } 7314 } 7315 } 7316 7317 @Override 7318 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 7319 if (!mHasFeature) { 7320 return false; 7321 } 7322 Preconditions.checkNotNull(who, "ComponentName is null"); 7323 synchronized (this) { 7324 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7325 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7326 return admin.disableContactsSearch; 7327 } 7328 } 7329 7330 @Override 7331 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 7332 enforceCrossUsersPermission(userId); 7333 synchronized (this) { 7334 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7335 return (admin != null) ? admin.disableContactsSearch : false; 7336 } 7337 } 7338 7339 @Override 7340 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 7341 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 7342 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 7343 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 7344 final int callingUserId = UserHandle.getCallingUserId(); 7345 7346 final long ident = mInjector.binderClearCallingIdentity(); 7347 try { 7348 synchronized (this) { 7349 final int managedUserId = getManagedUserId(callingUserId); 7350 if (managedUserId < 0) { 7351 return; 7352 } 7353 if (isCrossProfileQuickContactDisabled(managedUserId)) { 7354 if (VERBOSE_LOG) { 7355 Log.v(LOG_TAG, 7356 "Cross-profile contacts access disabled for user " + managedUserId); 7357 } 7358 return; 7359 } 7360 ContactsInternal.startQuickContactWithErrorToastForUser( 7361 mContext, intent, new UserHandle(managedUserId)); 7362 } 7363 } finally { 7364 mInjector.binderRestoreCallingIdentity(ident); 7365 } 7366 } 7367 7368 /** 7369 * @return true if cross-profile QuickContact is disabled 7370 */ 7371 private boolean isCrossProfileQuickContactDisabled(int userId) { 7372 return getCrossProfileCallerIdDisabledForUser(userId) 7373 && getCrossProfileContactsSearchDisabledForUser(userId); 7374 } 7375 7376 /** 7377 * @return the user ID of the managed user that is linked to the current user, if any. 7378 * Otherwise -1. 7379 */ 7380 public int getManagedUserId(int callingUserId) { 7381 if (VERBOSE_LOG) { 7382 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 7383 } 7384 7385 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 7386 if (ui.id == callingUserId || !ui.isManagedProfile()) { 7387 continue; // Caller user self, or not a managed profile. Skip. 7388 } 7389 if (VERBOSE_LOG) { 7390 Log.v(LOG_TAG, "Managed user=" + ui.id); 7391 } 7392 return ui.id; 7393 } 7394 if (VERBOSE_LOG) { 7395 Log.v(LOG_TAG, "Managed user not found."); 7396 } 7397 return -1; 7398 } 7399 7400 @Override 7401 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 7402 if (!mHasFeature) { 7403 return; 7404 } 7405 Preconditions.checkNotNull(who, "ComponentName is null"); 7406 synchronized (this) { 7407 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7408 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7409 if (admin.disableBluetoothContactSharing != disabled) { 7410 admin.disableBluetoothContactSharing = disabled; 7411 saveSettingsLocked(UserHandle.getCallingUserId()); 7412 } 7413 } 7414 } 7415 7416 @Override 7417 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 7418 if (!mHasFeature) { 7419 return false; 7420 } 7421 Preconditions.checkNotNull(who, "ComponentName is null"); 7422 synchronized (this) { 7423 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7424 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7425 return admin.disableBluetoothContactSharing; 7426 } 7427 } 7428 7429 @Override 7430 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 7431 // TODO: Should there be a check to make sure this relationship is 7432 // within a profile group? 7433 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 7434 synchronized (this) { 7435 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7436 return (admin != null) ? admin.disableBluetoothContactSharing : false; 7437 } 7438 } 7439 7440 /** 7441 * Sets which packages may enter lock task mode. 7442 * 7443 * This function can only be called by the device owner. 7444 * @param packages The list of packages allowed to enter lock task mode. 7445 */ 7446 @Override 7447 public void setLockTaskPackages(ComponentName who, String[] packages) 7448 throws SecurityException { 7449 Preconditions.checkNotNull(who, "ComponentName is null"); 7450 synchronized (this) { 7451 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7452 7453 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7454 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 7455 } 7456 } 7457 7458 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 7459 DevicePolicyData policy = getUserData(userHandle); 7460 policy.mLockTaskPackages = packages; 7461 7462 // Store the settings persistently. 7463 saveSettingsLocked(userHandle); 7464 updateLockTaskPackagesLocked(packages, userHandle); 7465 } 7466 7467 /** 7468 * This function returns the list of components allowed to start the task lock mode. 7469 */ 7470 @Override 7471 public String[] getLockTaskPackages(ComponentName who) { 7472 Preconditions.checkNotNull(who, "ComponentName is null"); 7473 synchronized (this) { 7474 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7475 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7476 final List<String> packages = getLockTaskPackagesLocked(userHandle); 7477 return packages.toArray(new String[packages.size()]); 7478 } 7479 } 7480 7481 private List<String> getLockTaskPackagesLocked(int userHandle) { 7482 final DevicePolicyData policy = getUserData(userHandle); 7483 return policy.mLockTaskPackages; 7484 } 7485 7486 /** 7487 * This function lets the caller know whether the given package is allowed to start the 7488 * lock task mode. 7489 * @param pkg The package to check 7490 */ 7491 @Override 7492 public boolean isLockTaskPermitted(String pkg) { 7493 // Get current user's devicepolicy 7494 int uid = mInjector.binderGetCallingUid(); 7495 int userHandle = UserHandle.getUserId(uid); 7496 DevicePolicyData policy = getUserData(userHandle); 7497 synchronized (this) { 7498 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 7499 String lockTaskPackage = policy.mLockTaskPackages.get(i); 7500 7501 // If the given package equals one of the packages stored our list, 7502 // we allow this package to start lock task mode. 7503 if (lockTaskPackage.equals(pkg)) { 7504 return true; 7505 } 7506 } 7507 } 7508 return false; 7509 } 7510 7511 @Override 7512 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 7513 if (!isCallerWithSystemUid()) { 7514 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 7515 } 7516 synchronized (this) { 7517 final DevicePolicyData policy = getUserData(userHandle); 7518 Bundle adminExtras = new Bundle(); 7519 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 7520 for (ActiveAdmin admin : policy.mAdminList) { 7521 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 7522 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 7523 if (ownsDevice || ownsProfile) { 7524 if (isEnabled) { 7525 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 7526 adminExtras, null); 7527 } else { 7528 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 7529 } 7530 } 7531 } 7532 } 7533 } 7534 7535 @Override 7536 public void setGlobalSetting(ComponentName who, String setting, String value) { 7537 Preconditions.checkNotNull(who, "ComponentName is null"); 7538 7539 synchronized (this) { 7540 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7541 7542 // Some settings are no supported any more. However we do not want to throw a 7543 // SecurityException to avoid breaking apps. 7544 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 7545 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 7546 return; 7547 } 7548 7549 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 7550 throw new SecurityException(String.format( 7551 "Permission denial: device owners cannot update %1$s", setting)); 7552 } 7553 7554 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 7555 // ignore if it contradicts an existing policy 7556 long timeMs = getMaximumTimeToLock( 7557 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 7558 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 7559 return; 7560 } 7561 } 7562 7563 long id = mInjector.binderClearCallingIdentity(); 7564 try { 7565 mInjector.settingsGlobalPutString(setting, value); 7566 } finally { 7567 mInjector.binderRestoreCallingIdentity(id); 7568 } 7569 } 7570 } 7571 7572 @Override 7573 public void setSecureSetting(ComponentName who, String setting, String value) { 7574 Preconditions.checkNotNull(who, "ComponentName is null"); 7575 int callingUserId = mInjector.userHandleGetCallingUserId(); 7576 7577 synchronized (this) { 7578 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7579 7580 if (isDeviceOwner(who, callingUserId)) { 7581 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 7582 throw new SecurityException(String.format( 7583 "Permission denial: Device owners cannot update %1$s", setting)); 7584 } 7585 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 7586 throw new SecurityException(String.format( 7587 "Permission denial: Profile owners cannot update %1$s", setting)); 7588 } 7589 7590 long id = mInjector.binderClearCallingIdentity(); 7591 try { 7592 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 7593 } finally { 7594 mInjector.binderRestoreCallingIdentity(id); 7595 } 7596 } 7597 } 7598 7599 @Override 7600 public void setMasterVolumeMuted(ComponentName who, boolean on) { 7601 Preconditions.checkNotNull(who, "ComponentName is null"); 7602 synchronized (this) { 7603 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7604 int userId = UserHandle.getCallingUserId(); 7605 long identity = mInjector.binderClearCallingIdentity(); 7606 try { 7607 IAudioService iAudioService = IAudioService.Stub.asInterface( 7608 ServiceManager.getService(Context.AUDIO_SERVICE)); 7609 iAudioService.setMasterMute(on, 0, mContext.getPackageName(), userId); 7610 } catch (RemoteException re) { 7611 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 7612 } finally { 7613 mInjector.binderRestoreCallingIdentity(identity); 7614 } 7615 } 7616 } 7617 7618 @Override 7619 public boolean isMasterVolumeMuted(ComponentName who) { 7620 Preconditions.checkNotNull(who, "ComponentName is null"); 7621 synchronized (this) { 7622 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7623 7624 AudioManager audioManager = 7625 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 7626 return audioManager.isMasterMute(); 7627 } 7628 } 7629 7630 @Override 7631 public void setUserIcon(ComponentName who, Bitmap icon) { 7632 synchronized (this) { 7633 Preconditions.checkNotNull(who, "ComponentName is null"); 7634 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7635 7636 int userId = UserHandle.getCallingUserId(); 7637 long id = mInjector.binderClearCallingIdentity(); 7638 try { 7639 mUserManagerInternal.setUserIcon(userId, icon); 7640 } finally { 7641 mInjector.binderRestoreCallingIdentity(id); 7642 } 7643 } 7644 } 7645 7646 @Override 7647 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 7648 Preconditions.checkNotNull(who, "ComponentName is null"); 7649 synchronized (this) { 7650 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7651 } 7652 final int userId = UserHandle.getCallingUserId(); 7653 7654 long ident = mInjector.binderClearCallingIdentity(); 7655 try { 7656 // disallow disabling the keyguard if a password is currently set 7657 if (disabled && mLockPatternUtils.isSecure(userId)) { 7658 return false; 7659 } 7660 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 7661 } finally { 7662 mInjector.binderRestoreCallingIdentity(ident); 7663 } 7664 return true; 7665 } 7666 7667 @Override 7668 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 7669 int userId = UserHandle.getCallingUserId(); 7670 synchronized (this) { 7671 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7672 DevicePolicyData policy = getUserData(userId); 7673 if (policy.mStatusBarDisabled != disabled) { 7674 if (!setStatusBarDisabledInternal(disabled, userId)) { 7675 return false; 7676 } 7677 policy.mStatusBarDisabled = disabled; 7678 saveSettingsLocked(userId); 7679 } 7680 } 7681 return true; 7682 } 7683 7684 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 7685 long ident = mInjector.binderClearCallingIdentity(); 7686 try { 7687 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 7688 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 7689 if (statusBarService != null) { 7690 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 7691 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 7692 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 7693 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 7694 return true; 7695 } 7696 } catch (RemoteException e) { 7697 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 7698 } finally { 7699 mInjector.binderRestoreCallingIdentity(ident); 7700 } 7701 return false; 7702 } 7703 7704 /** 7705 * We need to update the internal state of whether a user has completed setup once. After 7706 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 7707 * as we don't trust any apps that might try to reset it. 7708 * <p> 7709 * Unfortunately, we don't know which user's setup state was changed, so we write all of 7710 * them. 7711 */ 7712 void updateUserSetupComplete() { 7713 List<UserInfo> users = mUserManager.getUsers(true); 7714 final int N = users.size(); 7715 for (int i = 0; i < N; i++) { 7716 int userHandle = users.get(i).id; 7717 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 7718 userHandle) != 0) { 7719 DevicePolicyData policy = getUserData(userHandle); 7720 if (!policy.mUserSetupComplete) { 7721 policy.mUserSetupComplete = true; 7722 synchronized (this) { 7723 saveSettingsLocked(userHandle); 7724 } 7725 } 7726 } 7727 } 7728 } 7729 7730 private class SetupContentObserver extends ContentObserver { 7731 7732 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 7733 Settings.Secure.USER_SETUP_COMPLETE); 7734 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 7735 Settings.Global.DEVICE_PROVISIONED); 7736 7737 public SetupContentObserver(Handler handler) { 7738 super(handler); 7739 } 7740 7741 void register(ContentResolver resolver) { 7742 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 7743 resolver.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 7744 } 7745 7746 @Override 7747 public void onChange(boolean selfChange, Uri uri) { 7748 if (mUserSetupComplete.equals(uri)) { 7749 updateUserSetupComplete(); 7750 } else if (mDeviceProvisioned.equals(uri)) { 7751 synchronized (DevicePolicyManagerService.this) { 7752 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 7753 // is delayed until device is marked as provisioned. 7754 setDeviceOwnerSystemPropertyLocked(); 7755 } 7756 } 7757 } 7758 } 7759 7760 @VisibleForTesting 7761 final class LocalService extends DevicePolicyManagerInternal { 7762 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 7763 7764 @Override 7765 public List<String> getCrossProfileWidgetProviders(int profileId) { 7766 synchronized (DevicePolicyManagerService.this) { 7767 if (mOwners == null) { 7768 return Collections.emptyList(); 7769 } 7770 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 7771 if (ownerComponent == null) { 7772 return Collections.emptyList(); 7773 } 7774 7775 DevicePolicyData policy = getUserDataUnchecked(profileId); 7776 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 7777 7778 if (admin == null || admin.crossProfileWidgetProviders == null 7779 || admin.crossProfileWidgetProviders.isEmpty()) { 7780 return Collections.emptyList(); 7781 } 7782 7783 return admin.crossProfileWidgetProviders; 7784 } 7785 } 7786 7787 @Override 7788 public void addOnCrossProfileWidgetProvidersChangeListener( 7789 OnCrossProfileWidgetProvidersChangeListener listener) { 7790 synchronized (DevicePolicyManagerService.this) { 7791 if (mWidgetProviderListeners == null) { 7792 mWidgetProviderListeners = new ArrayList<>(); 7793 } 7794 if (!mWidgetProviderListeners.contains(listener)) { 7795 mWidgetProviderListeners.add(listener); 7796 } 7797 } 7798 } 7799 7800 @Override 7801 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 7802 synchronized(DevicePolicyManagerService.this) { 7803 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 7804 } 7805 } 7806 7807 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 7808 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 7809 synchronized (DevicePolicyManagerService.this) { 7810 listeners = new ArrayList<>(mWidgetProviderListeners); 7811 } 7812 final int listenerCount = listeners.size(); 7813 for (int i = 0; i < listenerCount; i++) { 7814 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 7815 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 7816 } 7817 } 7818 } 7819 7820 /** 7821 * Returns true if specified admin is allowed to limit passwords and has a 7822 * {@code passwordQuality} of at least {@code minPasswordQuality} 7823 */ 7824 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 7825 if (admin.passwordQuality < minPasswordQuality) { 7826 return false; 7827 } 7828 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 7829 } 7830 7831 @Override 7832 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 7833 if (policy != null && !policy.isValid()) { 7834 throw new IllegalArgumentException("Invalid system update policy."); 7835 } 7836 synchronized (this) { 7837 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7838 if (policy == null) { 7839 mOwners.clearSystemUpdatePolicy(); 7840 } else { 7841 mOwners.setSystemUpdatePolicy(policy); 7842 } 7843 mOwners.writeDeviceOwner(); 7844 } 7845 mContext.sendBroadcastAsUser( 7846 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 7847 UserHandle.SYSTEM); 7848 } 7849 7850 @Override 7851 public SystemUpdatePolicy getSystemUpdatePolicy() { 7852 synchronized (this) { 7853 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 7854 if (policy != null && !policy.isValid()) { 7855 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 7856 return null; 7857 } 7858 return policy; 7859 } 7860 } 7861 7862 /** 7863 * Checks if the caller of the method is the device owner app. 7864 * 7865 * @param callerUid UID of the caller. 7866 * @return true if the caller is the device owner app 7867 */ 7868 @VisibleForTesting 7869 boolean isCallerDeviceOwner(int callerUid) { 7870 synchronized (this) { 7871 if (!mOwners.hasDeviceOwner()) { 7872 return false; 7873 } 7874 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 7875 return false; 7876 } 7877 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 7878 .getPackageName(); 7879 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 7880 7881 for (String pkg : pkgs) { 7882 if (deviceOwnerPackageName.equals(pkg)) { 7883 return true; 7884 } 7885 } 7886 } 7887 7888 return false; 7889 } 7890 7891 @Override 7892 public void notifyPendingSystemUpdate(long updateReceivedTime) { 7893 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 7894 "Only the system update service can broadcast update information"); 7895 7896 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 7897 Slog.w(LOG_TAG, "Only the system update service in the system user " + 7898 "can broadcast update information."); 7899 return; 7900 } 7901 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 7902 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 7903 updateReceivedTime); 7904 7905 synchronized (this) { 7906 final String deviceOwnerPackage = 7907 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 7908 : null; 7909 if (deviceOwnerPackage == null) { 7910 return; 7911 } 7912 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 7913 7914 ActivityInfo[] receivers = null; 7915 try { 7916 receivers = mContext.getPackageManager().getPackageInfo( 7917 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 7918 } catch (NameNotFoundException e) { 7919 Log.e(LOG_TAG, "Cannot find device owner package", e); 7920 } 7921 if (receivers != null) { 7922 long ident = mInjector.binderClearCallingIdentity(); 7923 try { 7924 for (int i = 0; i < receivers.length; i++) { 7925 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 7926 intent.setComponent(new ComponentName(deviceOwnerPackage, 7927 receivers[i].name)); 7928 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 7929 } 7930 } 7931 } finally { 7932 mInjector.binderRestoreCallingIdentity(ident); 7933 } 7934 } 7935 } 7936 } 7937 7938 @Override 7939 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 7940 int userId = UserHandle.getCallingUserId(); 7941 synchronized (this) { 7942 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7943 DevicePolicyData userPolicy = getUserData(userId); 7944 if (userPolicy.mPermissionPolicy != policy) { 7945 userPolicy.mPermissionPolicy = policy; 7946 saveSettingsLocked(userId); 7947 } 7948 } 7949 } 7950 7951 @Override 7952 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 7953 int userId = UserHandle.getCallingUserId(); 7954 synchronized (this) { 7955 DevicePolicyData userPolicy = getUserData(userId); 7956 return userPolicy.mPermissionPolicy; 7957 } 7958 } 7959 7960 @Override 7961 public boolean setPermissionGrantState(ComponentName admin, String packageName, 7962 String permission, int grantState) throws RemoteException { 7963 UserHandle user = mInjector.binderGetCallingUserHandle(); 7964 synchronized (this) { 7965 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7966 long ident = mInjector.binderClearCallingIdentity(); 7967 try { 7968 if (getTargetSdk(packageName, user.getIdentifier()) 7969 < android.os.Build.VERSION_CODES.M) { 7970 return false; 7971 } 7972 final PackageManager packageManager = mContext.getPackageManager(); 7973 switch (grantState) { 7974 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 7975 packageManager.grantRuntimePermission(packageName, permission, user); 7976 packageManager.updatePermissionFlags(permission, packageName, 7977 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 7978 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 7979 } break; 7980 7981 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 7982 packageManager.revokeRuntimePermission(packageName, 7983 permission, user); 7984 packageManager.updatePermissionFlags(permission, packageName, 7985 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 7986 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 7987 } break; 7988 7989 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 7990 packageManager.updatePermissionFlags(permission, packageName, 7991 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 7992 } break; 7993 } 7994 return true; 7995 } catch (SecurityException se) { 7996 return false; 7997 } finally { 7998 mInjector.binderRestoreCallingIdentity(ident); 7999 } 8000 } 8001 } 8002 8003 @Override 8004 public int getPermissionGrantState(ComponentName admin, String packageName, 8005 String permission) throws RemoteException { 8006 PackageManager packageManager = mContext.getPackageManager(); 8007 8008 UserHandle user = mInjector.binderGetCallingUserHandle(); 8009 synchronized (this) { 8010 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8011 long ident = mInjector.binderClearCallingIdentity(); 8012 try { 8013 int granted = mIPackageManager.checkPermission(permission, 8014 packageName, user.getIdentifier()); 8015 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8016 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8017 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8018 // Not controlled by policy 8019 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8020 } else { 8021 // Policy controlled so return result based on permission grant state 8022 return granted == PackageManager.PERMISSION_GRANTED 8023 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8024 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8025 } 8026 } finally { 8027 mInjector.binderRestoreCallingIdentity(ident); 8028 } 8029 } 8030 } 8031 8032 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8033 try { 8034 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8035 userHandle); 8036 return (pi != null) && (pi.applicationInfo.flags != 0); 8037 } catch (RemoteException re) { 8038 throw new RuntimeException("Package manager has died", re); 8039 } 8040 } 8041 8042 @Override 8043 public boolean isProvisioningAllowed(String action) { 8044 if (!mHasFeature) { 8045 return false; 8046 } 8047 8048 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8049 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 8050 if (!hasFeatureManagedUsers()) { 8051 return false; 8052 } 8053 synchronized (this) { 8054 if (mOwners.hasDeviceOwner()) { 8055 if (!mInjector.userManagerIsSplitSystemUser()) { 8056 // Only split-system-user systems support managed-profiles in combination with 8057 // device-owner. 8058 return false; 8059 } 8060 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 8061 // Only system device-owner supports managed-profiles. Non-system device-owner 8062 // doesn't. 8063 return false; 8064 } 8065 if (callingUserId == UserHandle.USER_SYSTEM) { 8066 // Managed-profiles cannot be setup on the system user, only regular users. 8067 return false; 8068 } 8069 } 8070 } 8071 if (getProfileOwner(callingUserId) != null) { 8072 // Managed user cannot have a managed profile. 8073 return false; 8074 } 8075 final long ident = mInjector.binderClearCallingIdentity(); 8076 try { 8077 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 8078 return false; 8079 } 8080 } finally { 8081 mInjector.binderRestoreCallingIdentity(ident); 8082 } 8083 return true; 8084 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 8085 return isDeviceOwnerProvisioningAllowed(callingUserId); 8086 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 8087 if (!hasFeatureManagedUsers()) { 8088 return false; 8089 } 8090 if (!mInjector.userManagerIsSplitSystemUser()) { 8091 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 8092 return false; 8093 } 8094 if (callingUserId == UserHandle.USER_SYSTEM) { 8095 // System user cannot be a managed user. 8096 return false; 8097 } 8098 if (hasUserSetupCompleted(callingUserId)) { 8099 return false; 8100 } 8101 return true; 8102 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 8103 if (!mInjector.userManagerIsSplitSystemUser()) { 8104 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 8105 return false; 8106 } 8107 return isDeviceOwnerProvisioningAllowed(callingUserId); 8108 } 8109 throw new IllegalArgumentException("Unknown provisioning action " + action); 8110 } 8111 8112 /* 8113 * The device owner can only be set before the setup phase of the primary user has completed, 8114 * except for adb command if no accounts or additional users are present on the device. 8115 */ 8116 private synchronized @DeviceOwnerPreConditionCode int checkSetDeviceOwnerPreCondition( 8117 int deviceOwnerUserId, boolean isAdb) { 8118 if (mOwners.hasDeviceOwner()) { 8119 return CODE_HAS_DEVICE_OWNER; 8120 } 8121 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8122 return CODE_USER_HAS_PROFILE_OWNER; 8123 } 8124 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8125 return CODE_USER_NOT_RUNNING; 8126 } 8127 if (isAdb) { 8128 // if shell command runs after user setup completed check device status. Otherwise, OK. 8129 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8130 if (!mInjector.userManagerIsSplitSystemUser()) { 8131 if (mUserManager.getUserCount() > 1) { 8132 return CODE_NONSYSTEM_USER_EXISTS; 8133 } 8134 if (AccountManager.get(mContext).getAccounts().length > 0) { 8135 return CODE_ACCOUNTS_NOT_EMPTY; 8136 } 8137 } else { 8138 // STOPSHIP Do proper check in split user mode 8139 } 8140 } 8141 return CODE_OK; 8142 } else { 8143 if (!mInjector.userManagerIsSplitSystemUser()) { 8144 // In non-split user mode, DO has to be user 0 8145 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8146 return CODE_NOT_SYSTEM_USER; 8147 } 8148 // In non-split user mode, only provision DO before setup wizard completes 8149 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8150 return CODE_USER_SETUP_COMPLETED; 8151 } 8152 } else { 8153 // STOPSHIP Do proper check in split user mode 8154 } 8155 return CODE_OK; 8156 } 8157 } 8158 8159 private boolean isDeviceOwnerProvisioningAllowed(int deviceOwnerUserId) { 8160 return CODE_OK == checkSetDeviceOwnerPreCondition(deviceOwnerUserId, /* isAdb */ false); 8161 } 8162 8163 private boolean hasFeatureManagedUsers() { 8164 try { 8165 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 8166 } catch (RemoteException e) { 8167 return false; 8168 } 8169 } 8170 8171 @Override 8172 public String getWifiMacAddress() { 8173 // Make sure caller has DO. 8174 synchronized (this) { 8175 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8176 } 8177 8178 final long ident = mInjector.binderClearCallingIdentity(); 8179 try { 8180 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 8181 if (wifiInfo == null) { 8182 return null; 8183 } 8184 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 8185 } finally { 8186 mInjector.binderRestoreCallingIdentity(ident); 8187 } 8188 } 8189 8190 /** 8191 * Returns the target sdk version number that the given packageName was built for 8192 * in the given user. 8193 */ 8194 private int getTargetSdk(String packageName, int userId) throws RemoteException { 8195 final ApplicationInfo ai = mIPackageManager 8196 .getApplicationInfo(packageName, 0, userId); 8197 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 8198 return targetSdkVersion; 8199 } 8200 8201 @Override 8202 public boolean isManagedProfile(ComponentName admin) { 8203 synchronized (this) { 8204 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8205 } 8206 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8207 final UserInfo user; 8208 long ident = mInjector.binderClearCallingIdentity(); 8209 try { 8210 user = mUserManager.getUserInfo(callingUserId); 8211 } finally { 8212 mInjector.binderRestoreCallingIdentity(ident); 8213 } 8214 return user != null && user.isManagedProfile(); 8215 } 8216 8217 @Override 8218 public boolean isSystemOnlyUser(ComponentName admin) { 8219 synchronized (this) { 8220 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8221 } 8222 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8223 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 8224 } 8225 8226 @Override 8227 public void reboot(ComponentName admin) { 8228 Preconditions.checkNotNull(admin); 8229 // Make sure caller has DO. 8230 synchronized (this) { 8231 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8232 } 8233 long ident = mInjector.binderClearCallingIdentity(); 8234 try { 8235 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 8236 } finally { 8237 mInjector.binderRestoreCallingIdentity(ident); 8238 } 8239 } 8240 8241 @Override 8242 public void setShortSupportMessage(@NonNull ComponentName who, String message) { 8243 if (!mHasFeature) { 8244 return; 8245 } 8246 Preconditions.checkNotNull(who, "ComponentName is null"); 8247 final int userHandle = mInjector.userHandleGetCallingUserId(); 8248 synchronized (this) { 8249 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8250 mInjector.binderGetCallingUid()); 8251 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 8252 admin.shortSupportMessage = message; 8253 saveSettingsLocked(userHandle); 8254 } 8255 } 8256 } 8257 8258 @Override 8259 public String getShortSupportMessage(@NonNull ComponentName who) { 8260 if (!mHasFeature) { 8261 return null; 8262 } 8263 Preconditions.checkNotNull(who, "ComponentName is null"); 8264 synchronized (this) { 8265 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8266 mInjector.binderGetCallingUid()); 8267 return admin.shortSupportMessage; 8268 } 8269 } 8270 8271 @Override 8272 public void setLongSupportMessage(@NonNull ComponentName who, String message) { 8273 if (!mHasFeature) { 8274 return; 8275 } 8276 Preconditions.checkNotNull(who, "ComponentName is null"); 8277 final int userHandle = mInjector.userHandleGetCallingUserId(); 8278 synchronized (this) { 8279 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8280 mInjector.binderGetCallingUid()); 8281 if (!TextUtils.equals(admin.longSupportMessage, message)) { 8282 admin.longSupportMessage = message; 8283 saveSettingsLocked(userHandle); 8284 } 8285 } 8286 } 8287 8288 @Override 8289 public String getLongSupportMessage(@NonNull ComponentName who) { 8290 if (!mHasFeature) { 8291 return null; 8292 } 8293 Preconditions.checkNotNull(who, "ComponentName is null"); 8294 synchronized (this) { 8295 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8296 mInjector.binderGetCallingUid()); 8297 return admin.longSupportMessage; 8298 } 8299 } 8300 8301 @Override 8302 public String getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8303 if (!mHasFeature) { 8304 return null; 8305 } 8306 Preconditions.checkNotNull(who, "ComponentName is null"); 8307 if (!isCallerWithSystemUid()) { 8308 throw new SecurityException("Only the system can query support message for user"); 8309 } 8310 synchronized (this) { 8311 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8312 if (admin != null) { 8313 return admin.shortSupportMessage; 8314 } 8315 } 8316 return null; 8317 } 8318 8319 @Override 8320 public String getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8321 if (!mHasFeature) { 8322 return null; 8323 } 8324 Preconditions.checkNotNull(who, "ComponentName is null"); 8325 if (!isCallerWithSystemUid()) { 8326 throw new SecurityException("Only the system can query support message for user"); 8327 } 8328 synchronized (this) { 8329 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8330 if (admin != null) { 8331 return admin.longSupportMessage; 8332 } 8333 } 8334 return null; 8335 } 8336 8337 @Override 8338 public void setOrganizationColor(@NonNull ComponentName who, int color) { 8339 if (!mHasFeature) { 8340 return; 8341 } 8342 Preconditions.checkNotNull(who, "ComponentName is null"); 8343 final int userHandle = mInjector.userHandleGetCallingUserId(); 8344 enforceManagedProfile(userHandle, "set organization color"); 8345 synchronized (this) { 8346 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8347 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8348 admin.organizationColor = color; 8349 saveSettingsLocked(userHandle); 8350 } 8351 } 8352 8353 @Override 8354 public void setOrganizationColorForUser(int color, int userId) { 8355 if (!mHasFeature) { 8356 return; 8357 } 8358 enforceFullCrossUsersPermission(userId); 8359 enforceManageUsers(); 8360 enforceManagedProfile(userId, "set organization color"); 8361 synchronized (this) { 8362 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8363 admin.organizationColor = color; 8364 saveSettingsLocked(userId); 8365 } 8366 } 8367 8368 @Override 8369 public int getOrganizationColor(@NonNull ComponentName who) { 8370 if (!mHasFeature) { 8371 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8372 } 8373 Preconditions.checkNotNull(who, "ComponentName is null"); 8374 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 8375 synchronized (this) { 8376 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8377 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8378 return admin.organizationColor; 8379 } 8380 } 8381 8382 @Override 8383 public int getOrganizationColorForUser(int userHandle) { 8384 if (!mHasFeature) { 8385 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8386 } 8387 enforceFullCrossUsersPermission(userHandle); 8388 enforceManagedProfile(userHandle, "get organization color"); 8389 synchronized (this) { 8390 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8391 return (profileOwner != null) 8392 ? profileOwner.organizationColor 8393 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 8394 } 8395 } 8396 8397 @Override 8398 public void setOrganizationName(@NonNull ComponentName who, String text) { 8399 if (!mHasFeature) { 8400 return; 8401 } 8402 Preconditions.checkNotNull(who, "ComponentName is null"); 8403 final int userHandle = mInjector.userHandleGetCallingUserId(); 8404 enforceManagedProfile(userHandle, "set organization name"); 8405 synchronized (this) { 8406 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8407 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8408 if (!TextUtils.equals(admin.organizationName, text)) { 8409 admin.organizationName = TextUtils.nullIfEmpty(text); 8410 saveSettingsLocked(userHandle); 8411 } 8412 } 8413 } 8414 8415 @Override 8416 public String getOrganizationName(@NonNull ComponentName who) { 8417 if (!mHasFeature) { 8418 return null; 8419 } 8420 Preconditions.checkNotNull(who, "ComponentName is null"); 8421 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 8422 synchronized(this) { 8423 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8424 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8425 return admin.organizationName; 8426 } 8427 } 8428 8429 @Override 8430 public String getOrganizationNameForUser(int userHandle) { 8431 if (!mHasFeature) { 8432 return null; 8433 } 8434 enforceFullCrossUsersPermission(userHandle); 8435 enforceManagedProfile(userHandle, "get organization name"); 8436 synchronized (this) { 8437 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8438 return (profileOwner != null) 8439 ? profileOwner.organizationName 8440 : null; 8441 } 8442 } 8443 8444 @Override 8445 public void setAffiliationIds(ComponentName admin, List<String> ids) { 8446 final Set<String> affiliationIds = new ArraySet<String>(ids); 8447 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8448 8449 synchronized (this) { 8450 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8451 getUserData(callingUserId).mAffiliationIds = affiliationIds; 8452 saveSettingsLocked(callingUserId); 8453 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 8454 // Affiliation ids specified by the device owner are additionally stored in 8455 // UserHandle.USER_SYSTEM's DevicePolicyData. 8456 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 8457 saveSettingsLocked(UserHandle.USER_SYSTEM); 8458 } 8459 } 8460 } 8461 8462 @Override 8463 public boolean isAffiliatedUser() { 8464 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8465 8466 synchronized (this) { 8467 if (mOwners.getDeviceOwnerUserId() == callingUserId) { 8468 // The user that the DO is installed on is always affiliated. 8469 return true; 8470 } 8471 final ComponentName profileOwner = getProfileOwner(callingUserId); 8472 if (profileOwner == null 8473 || !profileOwner.getPackageName().equals(mOwners.getDeviceOwnerPackageName())) { 8474 return false; 8475 } 8476 final Set<String> userAffiliationIds = getUserData(callingUserId).mAffiliationIds; 8477 final Set<String> deviceAffiliationIds = 8478 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 8479 for (String id : userAffiliationIds) { 8480 if (deviceAffiliationIds.contains(id)) { 8481 return true; 8482 } 8483 } 8484 } 8485 return false; 8486 } 8487 8488 private synchronized void disableDeviceLoggingIfNotCompliant() { 8489 if (!isDeviceOwnerManagedSingleUserDevice()) { 8490 mInjector.securityLogSetLoggingEnabledProperty(false); 8491 Slog.w(LOG_TAG, "Device logging turned off as it's no longer a single user device."); 8492 } 8493 } 8494 8495 @Override 8496 public void setDeviceLoggingEnabled(ComponentName admin, boolean enabled) { 8497 Preconditions.checkNotNull(admin); 8498 ensureDeviceOwnerManagingSingleUser(admin); 8499 8500 synchronized (this) { 8501 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 8502 return; 8503 } 8504 mInjector.securityLogSetLoggingEnabledProperty(enabled); 8505 if (enabled) { 8506 mSecurityLogMonitor.start(); 8507 } else { 8508 mSecurityLogMonitor.stop(); 8509 } 8510 } 8511 } 8512 8513 @Override 8514 public boolean getDeviceLoggingEnabled(ComponentName admin) { 8515 Preconditions.checkNotNull(admin); 8516 synchronized (this) { 8517 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8518 return mInjector.securityLogGetLoggingEnabledProperty(); 8519 } 8520 } 8521 8522 @Override 8523 public ParceledListSlice<SecurityEvent> retrievePreviousDeviceLogs(ComponentName admin) { 8524 Preconditions.checkNotNull(admin); 8525 ensureDeviceOwnerManagingSingleUser(admin); 8526 8527 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 8528 try { 8529 SecurityLog.readPreviousEvents(output); 8530 return new ParceledListSlice<SecurityEvent>(output); 8531 } catch (IOException e) { 8532 Slog.w(LOG_TAG, "Fail to read previous events" , e); 8533 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 8534 } 8535 } 8536 8537 @Override 8538 public ParceledListSlice<SecurityEvent> retrieveDeviceLogs(ComponentName admin) { 8539 Preconditions.checkNotNull(admin); 8540 ensureDeviceOwnerManagingSingleUser(admin); 8541 8542 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 8543 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 8544 } 8545 8546 private void enforceCanManageDeviceAdmin() { 8547 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 8548 null); 8549 } 8550 8551 @Override 8552 public boolean isUninstallInQueue(final String packageName) { 8553 enforceCanManageDeviceAdmin(); 8554 final int userId = mInjector.userHandleGetCallingUserId(); 8555 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8556 synchronized (this) { 8557 return mPackagesToRemove.contains(packageUserPair); 8558 } 8559 } 8560 8561 @Override 8562 public void uninstallPackageWithActiveAdmins(final String packageName) { 8563 enforceCanManageDeviceAdmin(); 8564 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 8565 8566 final int userId = mInjector.userHandleGetCallingUserId(); 8567 8568 enforceUserUnlocked(userId); 8569 8570 final ComponentName profileOwner = getProfileOwner(userId); 8571 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 8572 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 8573 } 8574 8575 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 8576 if (getDeviceOwnerUserId() == userId && deviceOwner != null 8577 && packageName.equals(deviceOwner.getPackageName())) { 8578 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 8579 } 8580 8581 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8582 synchronized (this) { 8583 mPackagesToRemove.add(packageUserPair); 8584 } 8585 8586 // All active admins on the user. 8587 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 8588 8589 // Active admins in the target package. 8590 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 8591 if (allActiveAdmins != null) { 8592 for (ComponentName activeAdmin : allActiveAdmins) { 8593 if (packageName.equals(activeAdmin.getPackageName())) { 8594 packageActiveAdmins.add(activeAdmin); 8595 removeActiveAdmin(activeAdmin, userId); 8596 } 8597 } 8598 } 8599 if (packageActiveAdmins.size() == 0) { 8600 startUninstallIntent(packageName, userId); 8601 } else { 8602 mHandler.postDelayed(new Runnable() { 8603 @Override 8604 public void run() { 8605 for (ComponentName activeAdmin : packageActiveAdmins) { 8606 removeAdminArtifacts(activeAdmin, userId); 8607 } 8608 startUninstallIntent(packageName, userId); 8609 } 8610 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 8611 } 8612 } 8613 8614 private void removePackageIfRequired(final String packageName, final int userId) { 8615 if (!packageHasActiveAdmins(packageName, userId)) { 8616 // Will not do anything if uninstall was not requested or was already started. 8617 startUninstallIntent(packageName, userId); 8618 } 8619 } 8620 8621 private void startUninstallIntent(final String packageName, final int userId) { 8622 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8623 synchronized (this) { 8624 if (!mPackagesToRemove.contains(packageUserPair)) { 8625 // Do nothing if uninstall was not requested or was already started. 8626 return; 8627 } 8628 mPackagesToRemove.remove(packageUserPair); 8629 } 8630 try { 8631 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 8632 // Package does not exist. Nothing to do. 8633 return; 8634 } 8635 } catch (RemoteException re) { 8636 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 8637 } 8638 8639 try { // force stop the package before uninstalling 8640 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 8641 } catch (RemoteException re) { 8642 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 8643 } 8644 final Uri packageURI = Uri.parse("package:" + packageName); 8645 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 8646 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8647 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 8648 } 8649 8650 /** 8651 * Removes the admin from the policy. Ideally called after the admin's 8652 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 8653 * 8654 * @param adminReceiver The admin to remove 8655 * @param userHandle The user for which this admin has to be removed. 8656 */ 8657 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 8658 synchronized (this) { 8659 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 8660 if (admin == null) { 8661 return; 8662 } 8663 final DevicePolicyData policy = getUserData(userHandle); 8664 final boolean doProxyCleanup = admin.info.usesPolicy( 8665 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 8666 policy.mAdminList.remove(admin); 8667 policy.mAdminMap.remove(adminReceiver); 8668 validatePasswordOwnerLocked(policy); 8669 if (doProxyCleanup) { 8670 resetGlobalProxyLocked(policy); 8671 } 8672 saveSettingsLocked(userHandle); 8673 updateMaximumTimeToLockLocked(userHandle); 8674 policy.mRemovingAdmins.remove(adminReceiver); 8675 } 8676 // The removed admin might have disabled camera, so update user 8677 // restrictions. 8678 pushUserRestrictions(userHandle); 8679 } 8680} 8681