DevicePolicyManagerService.java revision e4da41e6be7b6cc5d2f26d1c24910785d04c751c
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 21import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24 25import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 26import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 27import static org.xmlpull.v1.XmlPullParser.END_TAG; 28import static org.xmlpull.v1.XmlPullParser.TEXT; 29 30import android.Manifest.permission; 31import android.accessibilityservice.AccessibilityServiceInfo; 32import android.accounts.AccountManager; 33import android.annotation.IntDef; 34import android.annotation.NonNull; 35import android.annotation.Nullable; 36import android.annotation.UserIdInt; 37import android.app.Activity; 38import android.app.ActivityManager; 39import android.app.ActivityManagerNative; 40import android.app.AlarmManager; 41import android.app.AppGlobals; 42import android.app.IActivityManager; 43import android.app.Notification; 44import android.app.NotificationManager; 45import android.app.PendingIntent; 46import android.app.StatusBarManager; 47import android.app.admin.DeviceAdminInfo; 48import android.app.admin.DeviceAdminReceiver; 49import android.app.admin.DevicePolicyManager; 50import android.app.admin.DevicePolicyManagerInternal; 51import android.app.admin.IDevicePolicyManager; 52import android.app.admin.SecurityLog; 53import android.app.admin.SecurityLog.SecurityEvent; 54import android.app.admin.SystemUpdatePolicy; 55import android.app.backup.IBackupManager; 56import android.content.BroadcastReceiver; 57import android.content.ComponentName; 58import android.content.Context; 59import android.content.Intent; 60import android.content.IntentFilter; 61import android.content.pm.ActivityInfo; 62import android.content.pm.ApplicationInfo; 63import android.content.pm.IPackageManager; 64import android.content.pm.PackageInfo; 65import android.content.pm.PackageManager; 66import android.content.pm.PackageManager.NameNotFoundException; 67import android.content.pm.PackageManagerInternal; 68import android.content.pm.ParceledListSlice; 69import android.content.pm.ResolveInfo; 70import android.content.pm.ServiceInfo; 71import android.content.pm.UserInfo; 72import android.database.ContentObserver; 73import android.graphics.Bitmap; 74import android.graphics.Color; 75import android.media.AudioManager; 76import android.media.IAudioService; 77import android.net.ConnectivityManager; 78import android.net.ProxyInfo; 79import android.net.Uri; 80import android.net.wifi.WifiInfo; 81import android.net.wifi.WifiManager; 82import android.os.AsyncTask; 83import android.os.Binder; 84import android.os.Build; 85import android.os.Bundle; 86import android.os.Environment; 87import android.os.FileUtils; 88import android.os.Handler; 89import android.os.IBinder; 90import android.os.Looper; 91import android.os.ParcelFileDescriptor; 92import android.os.PersistableBundle; 93import android.os.PowerManager; 94import android.os.PowerManagerInternal; 95import android.os.Process; 96import android.os.RecoverySystem; 97import android.os.RemoteCallback; 98import android.os.RemoteException; 99import android.os.ServiceManager; 100import android.os.SystemClock; 101import android.os.SystemProperties; 102import android.os.UserHandle; 103import android.os.UserManager; 104import android.os.UserManagerInternal; 105import android.os.storage.StorageManager; 106import android.provider.ContactsContract.QuickContact; 107import android.provider.ContactsInternal; 108import android.provider.Settings; 109import android.security.Credentials; 110import android.security.IKeyChainAliasCallback; 111import android.security.IKeyChainService; 112import android.security.KeyChain; 113import android.security.KeyChain.KeyChainConnection; 114import android.service.persistentdata.PersistentDataBlockManager; 115import android.telephony.TelephonyManager; 116import android.text.TextUtils; 117import android.util.ArrayMap; 118import android.util.ArraySet; 119import android.util.Log; 120import android.util.Pair; 121import android.util.Slog; 122import android.util.SparseArray; 123import android.util.Xml; 124import android.view.IWindowManager; 125import android.view.accessibility.AccessibilityManager; 126import android.view.accessibility.IAccessibilityManager; 127import android.view.inputmethod.InputMethodInfo; 128import android.view.inputmethod.InputMethodManager; 129 130import com.android.internal.R; 131import com.android.internal.annotations.VisibleForTesting; 132import com.android.internal.statusbar.IStatusBarService; 133import com.android.internal.util.FastXmlSerializer; 134import com.android.internal.util.JournaledFile; 135import com.android.internal.util.ParcelableString; 136import com.android.internal.util.Preconditions; 137import com.android.internal.util.XmlUtils; 138import com.android.internal.widget.LockPatternUtils; 139import com.android.server.LocalServices; 140import com.android.server.SystemService; 141import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 142import com.android.server.pm.UserRestrictionsUtils; 143import com.google.android.collect.Sets; 144 145import org.xmlpull.v1.XmlPullParser; 146import org.xmlpull.v1.XmlPullParserException; 147import org.xmlpull.v1.XmlSerializer; 148 149import java.io.ByteArrayInputStream; 150import java.io.File; 151import java.io.FileDescriptor; 152import java.io.FileInputStream; 153import java.io.FileNotFoundException; 154import java.io.FileOutputStream; 155import java.io.IOException; 156import java.io.PrintWriter; 157import java.lang.annotation.Retention; 158import java.lang.annotation.RetentionPolicy; 159import java.nio.charset.StandardCharsets; 160import java.security.cert.CertificateException; 161import java.security.cert.CertificateFactory; 162import java.security.cert.X509Certificate; 163import java.text.DateFormat; 164import java.util.ArrayList; 165import java.util.Arrays; 166import java.util.Collections; 167import java.util.Date; 168import java.util.List; 169import java.util.Map.Entry; 170import java.util.Set; 171import java.util.concurrent.atomic.AtomicBoolean; 172 173/** 174 * Implementation of the device policy APIs. 175 */ 176public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 177 178 private static final String LOG_TAG = "DevicePolicyManagerService"; 179 180 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 181 182 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 183 184 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 185 186 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 187 188 private static final String TAG_STATUS_BAR = "statusbar"; 189 190 private static final String ATTR_DISABLED = "disabled"; 191 192 private static final String ATTR_NAME = "name"; 193 194 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 195 "do-not-ask-credentials-on-boot"; 196 197 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 198 199 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 200 201 private static final String ATTR_VALUE = "value"; 202 203 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 204 205 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 206 207 private static final long MS_PER_DAY = 86400 * 1000; 208 209 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 210 211 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 212 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 213 214 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 215 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 216 217 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 218 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 219 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 220 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 221 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 222 "device-provisioning-config-applied"; 223 224 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 225 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 226 = "application-restrictions-manager"; 227 228 /** 229 * System property whose value is either "true" or "false", indicating whether 230 */ 231 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 232 233 private static final int STATUS_BAR_DISABLE_MASK = 234 StatusBarManager.DISABLE_EXPAND | 235 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 236 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 237 StatusBarManager.DISABLE_SEARCH; 238 239 private static final int STATUS_BAR_DISABLE2_MASK = 240 StatusBarManager.DISABLE2_QUICK_SETTINGS; 241 242 private static final Set<String> SECURE_SETTINGS_WHITELIST; 243 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 244 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 245 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 246 static { 247 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 248 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 249 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 250 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 251 252 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 253 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 254 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 255 256 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 257 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 258 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 259 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 260 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 261 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 262 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 263 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 264 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 265 266 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 267 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 268 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 269 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 270 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 271 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 272 } 273 274 /** 275 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 276 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 277 * instance. 278 */ 279 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 280 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 281 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 282 283 /** 284 * Keyguard features that when set on a profile affect the profile content or challenge only. 285 * These cannot be set on the managed profile's parent DPM instance 286 */ 287 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 288 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 289 290 /** Keyguard features that are allowed to be set on a managed profile */ 291 private static final int PROFILE_KEYGUARD_FEATURES = 292 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 293 294 private static final int CODE_OK = 0; 295 private static final int CODE_HAS_DEVICE_OWNER = 1; 296 private static final int CODE_USER_HAS_PROFILE_OWNER = 2; 297 private static final int CODE_USER_NOT_RUNNING = 3; 298 private static final int CODE_USER_SETUP_COMPLETED = 4; 299 private static final int CODE_NONSYSTEM_USER_EXISTS = 5; 300 private static final int CODE_ACCOUNTS_NOT_EMPTY = 6; 301 private static final int CODE_NOT_SYSTEM_USER = 7; 302 303 @Retention(RetentionPolicy.SOURCE) 304 @IntDef({ CODE_OK, CODE_HAS_DEVICE_OWNER, CODE_USER_HAS_PROFILE_OWNER, CODE_USER_NOT_RUNNING, 305 CODE_USER_SETUP_COMPLETED, CODE_NOT_SYSTEM_USER }) 306 private @interface DeviceOwnerPreConditionCode {} 307 308 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 309 310 final Context mContext; 311 final Injector mInjector; 312 final IPackageManager mIPackageManager; 313 final UserManager mUserManager; 314 final UserManagerInternal mUserManagerInternal; 315 final TelephonyManager mTelephonyManager; 316 private final LockPatternUtils mLockPatternUtils; 317 318 /** 319 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 320 * is requested for user u. 321 */ 322 private final Set<Pair<String, Integer>> mPackagesToRemove = 323 new ArraySet<Pair<String, Integer>>(); 324 325 final LocalService mLocalService; 326 327 // Stores and loads state on device and profile owners. 328 @VisibleForTesting 329 final Owners mOwners; 330 331 private final Binder mToken = new Binder(); 332 333 /** 334 * Whether or not device admin feature is supported. If it isn't return defaults for all 335 * public methods. 336 */ 337 boolean mHasFeature; 338 339 private final SecurityLogMonitor mSecurityLogMonitor; 340 341 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 342 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 343 344 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 345 @Override 346 public void run() { 347 if(mRemoteBugreportServiceIsActive.get()) { 348 onBugreportFailed(); 349 } 350 } 351 }; 352 353 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 354 355 @Override 356 public void onReceive(Context context, Intent intent) { 357 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 358 && mRemoteBugreportServiceIsActive.get()) { 359 onBugreportFinished(intent); 360 } 361 } 362 }; 363 364 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 365 366 @Override 367 public void onReceive(Context context, Intent intent) { 368 String action = intent.getAction(); 369 mInjector.getNotificationManager().cancel(LOG_TAG, 370 RemoteBugreportUtils.NOTIFICATION_ID); 371 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 372 onBugreportSharingAccepted(); 373 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 374 onBugreportSharingDeclined(); 375 } 376 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 377 } 378 }; 379 380 public static final class Lifecycle extends SystemService { 381 private DevicePolicyManagerService mService; 382 383 public Lifecycle(Context context) { 384 super(context); 385 mService = new DevicePolicyManagerService(context); 386 } 387 388 @Override 389 public void onStart() { 390 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 391 } 392 393 @Override 394 public void onBootPhase(int phase) { 395 mService.systemReady(phase); 396 } 397 398 @Override 399 public void onStartUser(int userHandle) { 400 mService.onStartUser(userHandle); 401 } 402 } 403 404 public static class DevicePolicyData { 405 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 406 int mActivePasswordLength = 0; 407 int mActivePasswordUpperCase = 0; 408 int mActivePasswordLowerCase = 0; 409 int mActivePasswordLetters = 0; 410 int mActivePasswordNumeric = 0; 411 int mActivePasswordSymbols = 0; 412 int mActivePasswordNonLetter = 0; 413 int mFailedPasswordAttempts = 0; 414 415 int mUserHandle; 416 int mPasswordOwner = -1; 417 long mLastMaximumTimeToLock = -1; 418 boolean mUserSetupComplete = false; 419 int mUserProvisioningState; 420 int mPermissionPolicy; 421 422 boolean mDeviceProvisioningConfigApplied = false; 423 424 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 425 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 426 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 427 428 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 429 430 // This is the list of component allowed to start lock task mode. 431 List<String> mLockTaskPackages = new ArrayList<>(); 432 433 boolean mStatusBarDisabled = false; 434 435 ComponentName mRestrictionsProvider; 436 437 String mDelegatedCertInstallerPackage; 438 439 boolean doNotAskCredentialsOnBoot = false; 440 441 String mApplicationRestrictionsManagingPackage; 442 443 Set<String> mAffiliationIds = new ArraySet<>(); 444 445 // Used for initialization of users created by createAndManageUsers. 446 boolean mAdminBroadcastPending = false; 447 PersistableBundle mInitBundle = null; 448 449 public DevicePolicyData(int userHandle) { 450 mUserHandle = userHandle; 451 } 452 } 453 454 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 455 456 final Handler mHandler; 457 458 BroadcastReceiver mReceiver = new BroadcastReceiver() { 459 @Override 460 public void onReceive(Context context, Intent intent) { 461 final String action = intent.getAction(); 462 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 463 getSendingUserId()); 464 465 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 466 && userHandle == mOwners.getDeviceOwnerUserId() 467 && getDeviceOwnerRemoteBugreportUri() != null) { 468 IntentFilter filterConsent = new IntentFilter(); 469 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 470 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 471 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 472 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 473 RemoteBugreportUtils.NOTIFICATION_ID, 474 RemoteBugreportUtils.buildNotification(mContext, 475 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 476 UserHandle.ALL); 477 } 478 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 479 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 480 if (VERBOSE_LOG) { 481 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 482 + action + " for user " + userHandle); 483 } 484 mHandler.post(new Runnable() { 485 @Override 486 public void run() { 487 handlePasswordExpirationNotification(userHandle); 488 } 489 }); 490 } 491 if (Intent.ACTION_USER_UNLOCKED.equals(action) 492 || Intent.ACTION_USER_STARTED.equals(action) 493 || KeyChain.ACTION_TRUST_STORE_CHANGED.equals(action)) { 494 int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 495 new MonitoringCertNotificationTask().execute(userId); 496 } 497 if (Intent.ACTION_USER_ADDED.equals(action)) { 498 disableSecurityLoggingIfNotCompliant(); 499 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 500 disableSecurityLoggingIfNotCompliant(); 501 removeUserData(userHandle); 502 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 503 synchronized (DevicePolicyManagerService.this) { 504 // Reset the policy data 505 mUserData.remove(userHandle); 506 sendAdminEnabledBroadcastLocked(userHandle); 507 } 508 handlePackagesChanged(null /* check all admins */, userHandle); 509 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 510 handlePackagesChanged(null /* check all admins */, userHandle); 511 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 512 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 513 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 514 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 515 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 516 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 517 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 518 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 519 clearWipeProfileNotification(); 520 } 521 } 522 }; 523 524 static class ActiveAdmin { 525 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 526 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 527 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 528 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 529 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 530 = "disable-bt-contacts-sharing"; 531 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 532 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 533 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 534 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 535 private static final String TAG_ACCOUNT_TYPE = "account-type"; 536 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 537 = "permitted-accessiblity-services"; 538 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 539 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 540 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 541 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 542 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 543 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 544 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 545 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 546 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 547 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 548 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 549 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 550 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 551 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 552 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 553 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 554 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 555 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 556 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 557 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 558 private static final String ATTR_VALUE = "value"; 559 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 560 private static final String TAG_POLICIES = "policies"; 561 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 562 "cross-profile-widget-providers"; 563 private static final String TAG_PROVIDER = "provider"; 564 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 565 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 566 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 567 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 568 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 569 private static final String TAG_PARENT_ADMIN = "parent-admin"; 570 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 571 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 572 573 final DeviceAdminInfo info; 574 575 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 576 577 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 578 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 579 580 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 581 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 582 583 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 584 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 585 586 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 587 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 588 589 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 590 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 591 592 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 593 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 594 595 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 596 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 597 598 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 599 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 600 601 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 602 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 603 604 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 605 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 606 607 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 608 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 609 610 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 611 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 612 613 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 614 615 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 616 617 boolean encryptionRequested = false; 618 boolean disableCamera = false; 619 boolean disableCallerId = false; 620 boolean disableContactsSearch = false; 621 boolean disableBluetoothContactSharing = true; 622 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 623 boolean requireAutoTime = false; // Can only be set by a device owner. 624 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 625 626 ActiveAdmin parentAdmin; 627 final boolean isParent; 628 629 static class TrustAgentInfo { 630 public PersistableBundle options; 631 TrustAgentInfo(PersistableBundle bundle) { 632 options = bundle; 633 } 634 } 635 636 Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 637 638 // The list of permitted accessibility services package namesas set by a profile 639 // or device owner. Null means all accessibility services are allowed, empty means 640 // none except system services are allowed. 641 List<String> permittedAccessiblityServices; 642 643 // The list of permitted input methods package names as set by a profile or device owner. 644 // Null means all input methods are allowed, empty means none except system imes are 645 // allowed. 646 List<String> permittedInputMethods; 647 648 // List of package names to keep cached. 649 List<String> keepUninstalledPackages; 650 651 // TODO: review implementation decisions with frameworks team 652 boolean specifiesGlobalProxy = false; 653 String globalProxySpec = null; 654 String globalProxyExclusionList = null; 655 656 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 657 658 List<String> crossProfileWidgetProviders; 659 660 Bundle userRestrictions; 661 662 // Support text provided by the admin to display to the user. 663 CharSequence shortSupportMessage = null; 664 CharSequence longSupportMessage = null; 665 666 // Background color of confirm credentials screen. Default: teal. 667 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 668 int organizationColor = DEF_ORGANIZATION_COLOR; 669 670 // Default title of confirm credentials screen 671 String organizationName = null; 672 673 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 674 info = _info; 675 isParent = parent; 676 } 677 678 ActiveAdmin getParentActiveAdmin() { 679 Preconditions.checkState(!isParent); 680 681 if (parentAdmin == null) { 682 parentAdmin = new ActiveAdmin(info, /* parent */ true); 683 } 684 return parentAdmin; 685 } 686 687 boolean hasParentActiveAdmin() { 688 return parentAdmin != null; 689 } 690 691 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 692 693 public UserHandle getUserHandle() { 694 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 695 } 696 697 void writeToXml(XmlSerializer out) 698 throws IllegalArgumentException, IllegalStateException, IOException { 699 out.startTag(null, TAG_POLICIES); 700 info.writePoliciesToXml(out); 701 out.endTag(null, TAG_POLICIES); 702 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 703 out.startTag(null, TAG_PASSWORD_QUALITY); 704 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 705 out.endTag(null, TAG_PASSWORD_QUALITY); 706 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 707 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 708 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 709 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 710 } 711 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 712 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 713 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 714 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 715 } 716 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 717 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 718 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 719 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 720 } 721 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 722 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 723 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 724 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 725 } 726 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 727 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 728 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 729 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 730 } 731 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 732 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 733 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 734 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 735 } 736 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 737 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 738 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 739 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 740 } 741 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 742 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 743 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 744 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 745 } 746 } 747 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 748 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 749 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 750 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 751 } 752 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 753 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 754 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 755 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 756 } 757 if (specifiesGlobalProxy) { 758 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 759 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 760 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 761 if (globalProxySpec != null) { 762 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 763 out.attribute(null, ATTR_VALUE, globalProxySpec); 764 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 765 } 766 if (globalProxyExclusionList != null) { 767 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 768 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 769 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 770 } 771 } 772 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 773 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 774 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 775 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 776 } 777 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 778 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 779 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 780 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 781 } 782 if (encryptionRequested) { 783 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 784 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 785 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 786 } 787 if (disableCamera) { 788 out.startTag(null, TAG_DISABLE_CAMERA); 789 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 790 out.endTag(null, TAG_DISABLE_CAMERA); 791 } 792 if (disableCallerId) { 793 out.startTag(null, TAG_DISABLE_CALLER_ID); 794 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 795 out.endTag(null, TAG_DISABLE_CALLER_ID); 796 } 797 if (disableContactsSearch) { 798 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 799 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 800 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 801 } 802 if (!disableBluetoothContactSharing) { 803 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 804 out.attribute(null, ATTR_VALUE, 805 Boolean.toString(disableBluetoothContactSharing)); 806 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 807 } 808 if (disableScreenCapture) { 809 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 810 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 811 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 812 } 813 if (requireAutoTime) { 814 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 815 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 816 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 817 } 818 if (forceEphemeralUsers) { 819 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 820 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 821 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 822 } 823 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 824 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 825 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 826 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 827 } 828 if (!accountTypesWithManagementDisabled.isEmpty()) { 829 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 830 for (String ac : accountTypesWithManagementDisabled) { 831 out.startTag(null, TAG_ACCOUNT_TYPE); 832 out.attribute(null, ATTR_VALUE, ac); 833 out.endTag(null, TAG_ACCOUNT_TYPE); 834 } 835 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 836 } 837 if (!trustAgentInfos.isEmpty()) { 838 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 839 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 840 for (Entry<String, TrustAgentInfo> entry : set) { 841 TrustAgentInfo trustAgentInfo = entry.getValue(); 842 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 843 out.attribute(null, ATTR_VALUE, entry.getKey()); 844 if (trustAgentInfo.options != null) { 845 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 846 try { 847 trustAgentInfo.options.saveToXml(out); 848 } catch (XmlPullParserException e) { 849 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 850 } 851 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 852 } 853 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 854 } 855 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 856 } 857 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 858 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 859 final int providerCount = crossProfileWidgetProviders.size(); 860 for (int i = 0; i < providerCount; i++) { 861 String provider = crossProfileWidgetProviders.get(i); 862 out.startTag(null, TAG_PROVIDER); 863 out.attribute(null, ATTR_VALUE, provider); 864 out.endTag(null, TAG_PROVIDER); 865 } 866 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 867 } 868 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 869 permittedAccessiblityServices); 870 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 871 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 872 if (hasUserRestrictions()) { 873 UserRestrictionsUtils.writeRestrictions( 874 out, userRestrictions, TAG_USER_RESTRICTIONS); 875 } 876 if (!TextUtils.isEmpty(shortSupportMessage)) { 877 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 878 out.text(shortSupportMessage.toString()); 879 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 880 } 881 if (!TextUtils.isEmpty(longSupportMessage)) { 882 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 883 out.text(longSupportMessage.toString()); 884 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 885 } 886 if (parentAdmin != null) { 887 out.startTag(null, TAG_PARENT_ADMIN); 888 parentAdmin.writeToXml(out); 889 out.endTag(null, TAG_PARENT_ADMIN); 890 } 891 if (organizationColor != DEF_ORGANIZATION_COLOR) { 892 out.startTag(null, TAG_ORGANIZATION_COLOR); 893 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 894 out.endTag(null, TAG_ORGANIZATION_COLOR); 895 } 896 if (organizationName != null) { 897 out.startTag(null, TAG_ORGANIZATION_NAME); 898 out.text(organizationName); 899 out.endTag(null, TAG_ORGANIZATION_NAME); 900 } 901 } 902 903 void writePackageListToXml(XmlSerializer out, String outerTag, 904 List<String> packageList) 905 throws IllegalArgumentException, IllegalStateException, IOException { 906 if (packageList == null) { 907 return; 908 } 909 910 out.startTag(null, outerTag); 911 for (String packageName : packageList) { 912 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 913 out.attribute(null, ATTR_VALUE, packageName); 914 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 915 } 916 out.endTag(null, outerTag); 917 } 918 919 void readFromXml(XmlPullParser parser) 920 throws XmlPullParserException, IOException { 921 int outerDepth = parser.getDepth(); 922 int type; 923 while ((type=parser.next()) != END_DOCUMENT 924 && (type != END_TAG || parser.getDepth() > outerDepth)) { 925 if (type == END_TAG || type == TEXT) { 926 continue; 927 } 928 String tag = parser.getName(); 929 if (TAG_POLICIES.equals(tag)) { 930 info.readPoliciesFromXml(parser); 931 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 932 passwordQuality = Integer.parseInt( 933 parser.getAttributeValue(null, ATTR_VALUE)); 934 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 935 minimumPasswordLength = Integer.parseInt( 936 parser.getAttributeValue(null, ATTR_VALUE)); 937 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 938 passwordHistoryLength = Integer.parseInt( 939 parser.getAttributeValue(null, ATTR_VALUE)); 940 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 941 minimumPasswordUpperCase = Integer.parseInt( 942 parser.getAttributeValue(null, ATTR_VALUE)); 943 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 944 minimumPasswordLowerCase = Integer.parseInt( 945 parser.getAttributeValue(null, ATTR_VALUE)); 946 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 947 minimumPasswordLetters = Integer.parseInt( 948 parser.getAttributeValue(null, ATTR_VALUE)); 949 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 950 minimumPasswordNumeric = Integer.parseInt( 951 parser.getAttributeValue(null, ATTR_VALUE)); 952 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 953 minimumPasswordSymbols = Integer.parseInt( 954 parser.getAttributeValue(null, ATTR_VALUE)); 955 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 956 minimumPasswordNonLetter = Integer.parseInt( 957 parser.getAttributeValue(null, ATTR_VALUE)); 958 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 959 maximumTimeToUnlock = Long.parseLong( 960 parser.getAttributeValue(null, ATTR_VALUE)); 961 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 962 maximumFailedPasswordsForWipe = Integer.parseInt( 963 parser.getAttributeValue(null, ATTR_VALUE)); 964 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 965 specifiesGlobalProxy = Boolean.parseBoolean( 966 parser.getAttributeValue(null, ATTR_VALUE)); 967 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 968 globalProxySpec = 969 parser.getAttributeValue(null, ATTR_VALUE); 970 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 971 globalProxyExclusionList = 972 parser.getAttributeValue(null, ATTR_VALUE); 973 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 974 passwordExpirationTimeout = Long.parseLong( 975 parser.getAttributeValue(null, ATTR_VALUE)); 976 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 977 passwordExpirationDate = Long.parseLong( 978 parser.getAttributeValue(null, ATTR_VALUE)); 979 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 980 encryptionRequested = Boolean.parseBoolean( 981 parser.getAttributeValue(null, ATTR_VALUE)); 982 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 983 disableCamera = Boolean.parseBoolean( 984 parser.getAttributeValue(null, ATTR_VALUE)); 985 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 986 disableCallerId = Boolean.parseBoolean( 987 parser.getAttributeValue(null, ATTR_VALUE)); 988 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 989 disableContactsSearch = Boolean.parseBoolean( 990 parser.getAttributeValue(null, ATTR_VALUE)); 991 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 992 disableBluetoothContactSharing = Boolean.parseBoolean(parser 993 .getAttributeValue(null, ATTR_VALUE)); 994 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 995 disableScreenCapture = Boolean.parseBoolean( 996 parser.getAttributeValue(null, ATTR_VALUE)); 997 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 998 requireAutoTime = Boolean.parseBoolean( 999 parser.getAttributeValue(null, ATTR_VALUE)); 1000 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1001 forceEphemeralUsers = Boolean.parseBoolean( 1002 parser.getAttributeValue(null, ATTR_VALUE)); 1003 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1004 disabledKeyguardFeatures = Integer.parseInt( 1005 parser.getAttributeValue(null, ATTR_VALUE)); 1006 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1007 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 1008 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1009 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1010 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1011 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 1012 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1013 permittedAccessiblityServices = readPackageList(parser, tag); 1014 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1015 permittedInputMethods = readPackageList(parser, tag); 1016 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1017 keepUninstalledPackages = readPackageList(parser, tag); 1018 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1019 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 1020 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1021 type = parser.next(); 1022 if (type == XmlPullParser.TEXT) { 1023 shortSupportMessage = parser.getText(); 1024 } else { 1025 Log.w(LOG_TAG, "Missing text when loading short support message"); 1026 } 1027 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1028 type = parser.next(); 1029 if (type == XmlPullParser.TEXT) { 1030 longSupportMessage = parser.getText(); 1031 } else { 1032 Log.w(LOG_TAG, "Missing text when loading long support message"); 1033 } 1034 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1035 Preconditions.checkState(!isParent); 1036 1037 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1038 parentAdmin.readFromXml(parser); 1039 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1040 organizationColor = Integer.parseInt( 1041 parser.getAttributeValue(null, ATTR_VALUE)); 1042 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1043 type = parser.next(); 1044 if (type == XmlPullParser.TEXT) { 1045 organizationName = parser.getText(); 1046 } else { 1047 Log.w(LOG_TAG, "Missing text when loading organization name"); 1048 } 1049 } else { 1050 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1051 XmlUtils.skipCurrentTag(parser); 1052 } 1053 } 1054 } 1055 1056 private List<String> readPackageList(XmlPullParser parser, 1057 String tag) throws XmlPullParserException, IOException { 1058 List<String> result = new ArrayList<String>(); 1059 int outerDepth = parser.getDepth(); 1060 int outerType; 1061 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1062 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1063 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1064 continue; 1065 } 1066 String outerTag = parser.getName(); 1067 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1068 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1069 if (packageName != null) { 1070 result.add(packageName); 1071 } else { 1072 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1073 } 1074 } else { 1075 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1076 } 1077 } 1078 return result; 1079 } 1080 1081 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 1082 throws XmlPullParserException, IOException { 1083 int outerDepthDAM = parser.getDepth(); 1084 int typeDAM; 1085 Set<String> result = new ArraySet<>(); 1086 while ((typeDAM=parser.next()) != END_DOCUMENT 1087 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1088 if (typeDAM == END_TAG || typeDAM == TEXT) { 1089 continue; 1090 } 1091 String tagDAM = parser.getName(); 1092 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 1093 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1094 } else { 1095 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1096 } 1097 } 1098 return result; 1099 } 1100 1101 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1102 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1103 int outerDepthDAM = parser.getDepth(); 1104 int typeDAM; 1105 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1106 while ((typeDAM=parser.next()) != END_DOCUMENT 1107 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1108 if (typeDAM == END_TAG || typeDAM == TEXT) { 1109 continue; 1110 } 1111 String tagDAM = parser.getName(); 1112 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1113 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1114 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1115 result.put(component, trustAgentInfo); 1116 } else { 1117 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1118 } 1119 } 1120 return result; 1121 } 1122 1123 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1124 throws XmlPullParserException, IOException { 1125 int outerDepthDAM = parser.getDepth(); 1126 int typeDAM; 1127 TrustAgentInfo result = new TrustAgentInfo(null); 1128 while ((typeDAM=parser.next()) != END_DOCUMENT 1129 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1130 if (typeDAM == END_TAG || typeDAM == TEXT) { 1131 continue; 1132 } 1133 String tagDAM = parser.getName(); 1134 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1135 result.options = PersistableBundle.restoreFromXml(parser); 1136 } else { 1137 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1138 } 1139 } 1140 return result; 1141 } 1142 1143 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 1144 throws XmlPullParserException, IOException { 1145 int outerDepthDAM = parser.getDepth(); 1146 int typeDAM; 1147 ArrayList<String> result = null; 1148 while ((typeDAM=parser.next()) != END_DOCUMENT 1149 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1150 if (typeDAM == END_TAG || typeDAM == TEXT) { 1151 continue; 1152 } 1153 String tagDAM = parser.getName(); 1154 if (TAG_PROVIDER.equals(tagDAM)) { 1155 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 1156 if (result == null) { 1157 result = new ArrayList<>(); 1158 } 1159 result.add(provider); 1160 } else { 1161 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1162 } 1163 } 1164 return result; 1165 } 1166 1167 boolean hasUserRestrictions() { 1168 return userRestrictions != null && userRestrictions.size() > 0; 1169 } 1170 1171 Bundle ensureUserRestrictions() { 1172 if (userRestrictions == null) { 1173 userRestrictions = new Bundle(); 1174 } 1175 return userRestrictions; 1176 } 1177 1178 void dump(String prefix, PrintWriter pw) { 1179 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1180 pw.print(prefix); pw.println("policies:"); 1181 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1182 if (pols != null) { 1183 for (int i=0; i<pols.size(); i++) { 1184 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1185 } 1186 } 1187 pw.print(prefix); pw.print("passwordQuality=0x"); 1188 pw.println(Integer.toHexString(passwordQuality)); 1189 pw.print(prefix); pw.print("minimumPasswordLength="); 1190 pw.println(minimumPasswordLength); 1191 pw.print(prefix); pw.print("passwordHistoryLength="); 1192 pw.println(passwordHistoryLength); 1193 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1194 pw.println(minimumPasswordUpperCase); 1195 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1196 pw.println(minimumPasswordLowerCase); 1197 pw.print(prefix); pw.print("minimumPasswordLetters="); 1198 pw.println(minimumPasswordLetters); 1199 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1200 pw.println(minimumPasswordNumeric); 1201 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1202 pw.println(minimumPasswordSymbols); 1203 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1204 pw.println(minimumPasswordNonLetter); 1205 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1206 pw.println(maximumTimeToUnlock); 1207 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1208 pw.println(maximumFailedPasswordsForWipe); 1209 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1210 pw.println(specifiesGlobalProxy); 1211 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1212 pw.println(passwordExpirationTimeout); 1213 pw.print(prefix); pw.print("passwordExpirationDate="); 1214 pw.println(passwordExpirationDate); 1215 if (globalProxySpec != null) { 1216 pw.print(prefix); pw.print("globalProxySpec="); 1217 pw.println(globalProxySpec); 1218 } 1219 if (globalProxyExclusionList != null) { 1220 pw.print(prefix); pw.print("globalProxyEclusionList="); 1221 pw.println(globalProxyExclusionList); 1222 } 1223 pw.print(prefix); pw.print("encryptionRequested="); 1224 pw.println(encryptionRequested); 1225 pw.print(prefix); pw.print("disableCamera="); 1226 pw.println(disableCamera); 1227 pw.print(prefix); pw.print("disableCallerId="); 1228 pw.println(disableCallerId); 1229 pw.print(prefix); pw.print("disableContactsSearch="); 1230 pw.println(disableContactsSearch); 1231 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1232 pw.println(disableBluetoothContactSharing); 1233 pw.print(prefix); pw.print("disableScreenCapture="); 1234 pw.println(disableScreenCapture); 1235 pw.print(prefix); pw.print("requireAutoTime="); 1236 pw.println(requireAutoTime); 1237 pw.print(prefix); pw.print("forceEphemeralUsers="); 1238 pw.println(forceEphemeralUsers); 1239 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1240 pw.println(disabledKeyguardFeatures); 1241 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1242 pw.println(crossProfileWidgetProviders); 1243 if (permittedAccessiblityServices != null) { 1244 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1245 pw.println(permittedAccessiblityServices); 1246 } 1247 if (permittedInputMethods != null) { 1248 pw.print(prefix); pw.print("permittedInputMethods="); 1249 pw.println(permittedInputMethods); 1250 } 1251 if (keepUninstalledPackages != null) { 1252 pw.print(prefix); pw.print("keepUninstalledPackages="); 1253 pw.println(keepUninstalledPackages); 1254 } 1255 pw.print(prefix); pw.print("organizationColor="); 1256 pw.println(organizationColor); 1257 if (organizationName != null) { 1258 pw.print(prefix); pw.print("organizationName="); 1259 pw.println(organizationName); 1260 } 1261 pw.print(prefix); pw.println("userRestrictions:"); 1262 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1263 pw.print(prefix); pw.print("isParent="); 1264 pw.println(isParent); 1265 if (parentAdmin != null) { 1266 pw.print(prefix); pw.println("parentAdmin:"); 1267 parentAdmin.dump(prefix + " ", pw); 1268 } 1269 } 1270 } 1271 1272 private void handlePackagesChanged(String packageName, int userHandle) { 1273 boolean removed = false; 1274 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1275 DevicePolicyData policy = getUserData(userHandle); 1276 synchronized (this) { 1277 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1278 ActiveAdmin aa = policy.mAdminList.get(i); 1279 try { 1280 // If we're checking all packages or if the specific one we're checking matches, 1281 // then check if the package and receiver still exist. 1282 final String adminPackage = aa.info.getPackageName(); 1283 if (packageName == null || packageName.equals(adminPackage)) { 1284 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1285 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1286 PackageManager.MATCH_DIRECT_BOOT_AWARE 1287 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1288 userHandle) == null) { 1289 removed = true; 1290 policy.mAdminList.remove(i); 1291 policy.mAdminMap.remove(aa.info.getComponent()); 1292 } 1293 } 1294 } catch (RemoteException re) { 1295 // Shouldn't happen 1296 } 1297 } 1298 if (removed) { 1299 validatePasswordOwnerLocked(policy); 1300 saveSettingsLocked(policy.mUserHandle); 1301 } 1302 1303 // Check if delegated cert installer or app restrictions managing packages are removed. 1304 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1305 policy.mDelegatedCertInstallerPackage = null; 1306 saveSettingsLocked(policy.mUserHandle); 1307 } 1308 if (isRemovedPackage( 1309 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1310 policy.mApplicationRestrictionsManagingPackage = null; 1311 saveSettingsLocked(policy.mUserHandle); 1312 } 1313 } 1314 if (removed) { 1315 // The removed admin might have disabled camera, so update user restrictions. 1316 pushUserRestrictions(userHandle); 1317 } 1318 } 1319 1320 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1321 try { 1322 return targetPackage != null 1323 && (changedPackage == null || changedPackage.equals(targetPackage)) 1324 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1325 } catch (RemoteException e) { 1326 // Shouldn't happen 1327 } 1328 1329 return false; 1330 } 1331 1332 /** 1333 * Unit test will subclass it to inject mocks. 1334 */ 1335 @VisibleForTesting 1336 static class Injector { 1337 1338 private final Context mContext; 1339 1340 Injector(Context context) { 1341 mContext = context; 1342 } 1343 1344 Owners newOwners() { 1345 return new Owners(getUserManager(), getUserManagerInternal(), 1346 getPackageManagerInternal()); 1347 } 1348 1349 UserManager getUserManager() { 1350 return UserManager.get(mContext); 1351 } 1352 1353 UserManagerInternal getUserManagerInternal() { 1354 return LocalServices.getService(UserManagerInternal.class); 1355 } 1356 1357 PackageManagerInternal getPackageManagerInternal() { 1358 return LocalServices.getService(PackageManagerInternal.class); 1359 } 1360 1361 NotificationManager getNotificationManager() { 1362 return mContext.getSystemService(NotificationManager.class); 1363 } 1364 1365 PowerManagerInternal getPowerManagerInternal() { 1366 return LocalServices.getService(PowerManagerInternal.class); 1367 } 1368 1369 TelephonyManager getTelephonyManager() { 1370 return TelephonyManager.from(mContext); 1371 } 1372 1373 IWindowManager getIWindowManager() { 1374 return IWindowManager.Stub 1375 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1376 } 1377 1378 IActivityManager getIActivityManager() { 1379 return ActivityManagerNative.getDefault(); 1380 } 1381 1382 IPackageManager getIPackageManager() { 1383 return AppGlobals.getPackageManager(); 1384 } 1385 1386 IBackupManager getIBackupManager() { 1387 return IBackupManager.Stub.asInterface( 1388 ServiceManager.getService(Context.BACKUP_SERVICE)); 1389 } 1390 1391 IAudioService getIAudioService() { 1392 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1393 } 1394 1395 LockPatternUtils newLockPatternUtils() { 1396 return new LockPatternUtils(mContext); 1397 } 1398 1399 boolean storageManagerIsFileBasedEncryptionEnabled() { 1400 return StorageManager.isFileEncryptedNativeOnly(); 1401 } 1402 1403 boolean storageManagerIsNonDefaultBlockEncrypted() { 1404 long identity = Binder.clearCallingIdentity(); 1405 try { 1406 return StorageManager.isNonDefaultBlockEncrypted(); 1407 } finally { 1408 Binder.restoreCallingIdentity(identity); 1409 } 1410 } 1411 1412 boolean storageManagerIsEncrypted() { 1413 return StorageManager.isEncrypted(); 1414 } 1415 1416 boolean storageManagerIsEncryptable() { 1417 return StorageManager.isEncryptable(); 1418 } 1419 1420 Looper getMyLooper() { 1421 return Looper.myLooper(); 1422 } 1423 1424 WifiManager getWifiManager() { 1425 return mContext.getSystemService(WifiManager.class); 1426 } 1427 1428 long binderClearCallingIdentity() { 1429 return Binder.clearCallingIdentity(); 1430 } 1431 1432 void binderRestoreCallingIdentity(long token) { 1433 Binder.restoreCallingIdentity(token); 1434 } 1435 1436 int binderGetCallingUid() { 1437 return Binder.getCallingUid(); 1438 } 1439 1440 int binderGetCallingPid() { 1441 return Binder.getCallingPid(); 1442 } 1443 1444 UserHandle binderGetCallingUserHandle() { 1445 return Binder.getCallingUserHandle(); 1446 } 1447 1448 boolean binderIsCallingUidMyUid() { 1449 return getCallingUid() == Process.myUid(); 1450 } 1451 1452 final int userHandleGetCallingUserId() { 1453 return UserHandle.getUserId(binderGetCallingUid()); 1454 } 1455 1456 File environmentGetUserSystemDirectory(int userId) { 1457 return Environment.getUserSystemDirectory(userId); 1458 } 1459 1460 void powerManagerGoToSleep(long time, int reason, int flags) { 1461 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1462 } 1463 1464 void powerManagerReboot(String reason) { 1465 mContext.getSystemService(PowerManager.class).reboot(reason); 1466 } 1467 1468 boolean systemPropertiesGetBoolean(String key, boolean def) { 1469 return SystemProperties.getBoolean(key, def); 1470 } 1471 1472 long systemPropertiesGetLong(String key, long def) { 1473 return SystemProperties.getLong(key, def); 1474 } 1475 1476 String systemPropertiesGet(String key, String def) { 1477 return SystemProperties.get(key, def); 1478 } 1479 1480 String systemPropertiesGet(String key) { 1481 return SystemProperties.get(key); 1482 } 1483 1484 void systemPropertiesSet(String key, String value) { 1485 SystemProperties.set(key, value); 1486 } 1487 1488 boolean userManagerIsSplitSystemUser() { 1489 return UserManager.isSplitSystemUser(); 1490 } 1491 1492 String getDevicePolicyFilePathForSystemUser() { 1493 return "/data/system/"; 1494 } 1495 1496 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1497 ContentObserver observer, int userHandle) { 1498 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1499 observer, userHandle); 1500 } 1501 1502 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1503 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1504 name, def, userHandle); 1505 } 1506 1507 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1508 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1509 name, value, userHandle); 1510 } 1511 1512 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1513 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1514 name, value, userHandle); 1515 } 1516 1517 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1518 Settings.Global.putStringForUser(mContext.getContentResolver(), 1519 name, value, userHandle); 1520 } 1521 1522 void settingsSecurePutInt(String name, int value) { 1523 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1524 } 1525 1526 int settingsGlobalGetInt(String name, int def) { 1527 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1528 } 1529 1530 void settingsGlobalPutInt(String name, int value) { 1531 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1532 } 1533 1534 void settingsSecurePutString(String name, String value) { 1535 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1536 } 1537 1538 void settingsGlobalPutString(String name, String value) { 1539 Settings.Global.putString(mContext.getContentResolver(), name, value); 1540 } 1541 1542 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1543 SecurityLog.setLoggingEnabledProperty(enabled); 1544 } 1545 1546 boolean securityLogGetLoggingEnabledProperty() { 1547 return SecurityLog.getLoggingEnabledProperty(); 1548 } 1549 1550 boolean securityLogIsLoggingEnabled() { 1551 return SecurityLog.isLoggingEnabled(); 1552 } 1553 } 1554 1555 /** 1556 * Instantiates the service. 1557 */ 1558 public DevicePolicyManagerService(Context context) { 1559 this(new Injector(context)); 1560 } 1561 1562 @VisibleForTesting 1563 DevicePolicyManagerService(Injector injector) { 1564 mInjector = injector; 1565 mContext = Preconditions.checkNotNull(injector.mContext); 1566 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1567 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1568 1569 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1570 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1571 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1572 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1573 1574 mLocalService = new LocalService(); 1575 mLockPatternUtils = injector.newLockPatternUtils(); 1576 1577 mSecurityLogMonitor = new SecurityLogMonitor(this); 1578 1579 mHasFeature = mContext.getPackageManager() 1580 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1581 if (!mHasFeature) { 1582 // Skip the rest of the initialization 1583 return; 1584 } 1585 IntentFilter filter = new IntentFilter(); 1586 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1587 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1588 filter.addAction(Intent.ACTION_USER_ADDED); 1589 filter.addAction(Intent.ACTION_USER_REMOVED); 1590 filter.addAction(Intent.ACTION_USER_STARTED); 1591 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1592 filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); 1593 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1594 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1595 filter = new IntentFilter(); 1596 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1597 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1598 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1599 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1600 filter.addDataScheme("package"); 1601 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1602 filter = new IntentFilter(); 1603 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1604 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1605 1606 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1607 } 1608 1609 /** 1610 * Creates and loads the policy data from xml. 1611 * @param userHandle the user for whom to load the policy data 1612 * @return 1613 */ 1614 @NonNull 1615 DevicePolicyData getUserData(int userHandle) { 1616 synchronized (this) { 1617 DevicePolicyData policy = mUserData.get(userHandle); 1618 if (policy == null) { 1619 policy = new DevicePolicyData(userHandle); 1620 mUserData.append(userHandle, policy); 1621 loadSettingsLocked(policy, userHandle); 1622 } 1623 return policy; 1624 } 1625 } 1626 1627 /** 1628 * Creates and loads the policy data from xml for data that is shared between 1629 * various profiles of a user. In contrast to {@link #getUserData(int)} 1630 * it allows access to data of users other than the calling user. 1631 * 1632 * This function should only be used for shared data, e.g. everything regarding 1633 * passwords and should be removed once multiple screen locks are present. 1634 * @param userHandle the user for whom to load the policy data 1635 * @return 1636 */ 1637 DevicePolicyData getUserDataUnchecked(int userHandle) { 1638 long ident = mInjector.binderClearCallingIdentity(); 1639 try { 1640 return getUserData(userHandle); 1641 } finally { 1642 mInjector.binderRestoreCallingIdentity(ident); 1643 } 1644 } 1645 1646 void removeUserData(int userHandle) { 1647 synchronized (this) { 1648 if (userHandle == UserHandle.USER_SYSTEM) { 1649 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1650 return; 1651 } 1652 mOwners.removeProfileOwner(userHandle); 1653 mOwners.writeProfileOwner(userHandle); 1654 1655 DevicePolicyData policy = mUserData.get(userHandle); 1656 if (policy != null) { 1657 mUserData.remove(userHandle); 1658 } 1659 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1660 DEVICE_POLICIES_XML); 1661 policyFile.delete(); 1662 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1663 } 1664 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1665 } 1666 1667 void loadOwners() { 1668 synchronized (this) { 1669 mOwners.load(); 1670 setDeviceOwnerSystemPropertyLocked(); 1671 findOwnerComponentIfNecessaryLocked(); 1672 migrateUserRestrictionsIfNecessaryLocked(); 1673 1674 // TODO PO may not have a class name either due to b/17652534. Address that too. 1675 1676 updateDeviceOwnerLocked(); 1677 } 1678 } 1679 1680 private void setDeviceOwnerSystemPropertyLocked() { 1681 // Device owner may still be provisioned, do not set the read-only system property yet. 1682 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1683 return; 1684 } 1685 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1686 // always false at this point. 1687 if (StorageManager.inCryptKeeperBounce()) { 1688 return; 1689 } 1690 1691 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1692 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1693 } else { 1694 if (mOwners.hasDeviceOwner()) { 1695 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1696 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1697 disableSecurityLoggingIfNotCompliant(); 1698 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1699 mSecurityLogMonitor.start(); 1700 } 1701 } else { 1702 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1703 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1704 } 1705 } 1706 } 1707 1708 private void findOwnerComponentIfNecessaryLocked() { 1709 if (!mOwners.hasDeviceOwner()) { 1710 return; 1711 } 1712 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1713 1714 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1715 return; // Already a full component name. 1716 } 1717 1718 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1719 doComponentName.getPackageName(), 1720 mOwners.getDeviceOwnerUserId()); 1721 if (doComponent == null) { 1722 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1723 } else { 1724 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1725 doComponent, 1726 mOwners.getDeviceOwnerName(), 1727 mOwners.getDeviceOwnerUserId(), 1728 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1729 mOwners.writeDeviceOwner(); 1730 if (VERBOSE_LOG) { 1731 Log.v(LOG_TAG, "Device owner component filled in"); 1732 } 1733 } 1734 } 1735 1736 /** 1737 * We didn't use to persist user restrictions for each owners but only persisted in user 1738 * manager. 1739 */ 1740 private void migrateUserRestrictionsIfNecessaryLocked() { 1741 boolean migrated = false; 1742 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1743 // except for the "system controlled" ones. 1744 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1745 if (VERBOSE_LOG) { 1746 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1747 } 1748 migrated = true; 1749 1750 // Migrate user 0 restrictions to DO. 1751 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1752 1753 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1754 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1755 1756 // Push DO user restrictions to user manager. 1757 pushUserRestrictions(UserHandle.USER_SYSTEM); 1758 1759 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1760 } 1761 1762 // Migrate for POs. 1763 1764 // The following restrictions can be set on secondary users by the device owner, so we 1765 // assume they're not from the PO. 1766 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1767 UserManager.DISALLOW_OUTGOING_CALLS, 1768 UserManager.DISALLOW_SMS); 1769 1770 for (UserInfo ui : mUserManager.getUsers()) { 1771 final int userId = ui.id; 1772 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1773 if (VERBOSE_LOG) { 1774 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1775 } 1776 migrated = true; 1777 1778 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1779 1780 final Set<String> exceptionList = 1781 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1782 1783 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1784 exceptionList, /* isDeviceOwner =*/ false); 1785 1786 // Note if a secondary user has no PO but has a DA that disables camera, we 1787 // don't get here and won't push the camera user restriction to UserManager 1788 // here. That's okay because we'll push user restrictions anyway when a user 1789 // starts. But we still do it because we want to let user manager persist 1790 // upon migration. 1791 pushUserRestrictions(userId); 1792 1793 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1794 } 1795 } 1796 if (VERBOSE_LOG && migrated) { 1797 Log.v(LOG_TAG, "User restrictions migrated."); 1798 } 1799 } 1800 1801 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1802 Set<String> exceptionList, boolean isDeviceOwner) { 1803 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1804 user.getIdentifier()); 1805 1806 final Bundle newBaseRestrictions = new Bundle(); 1807 final Bundle newOwnerRestrictions = new Bundle(); 1808 1809 for (String key : origRestrictions.keySet()) { 1810 if (!origRestrictions.getBoolean(key)) { 1811 continue; 1812 } 1813 final boolean canOwnerChange = isDeviceOwner 1814 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1815 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1816 1817 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1818 newBaseRestrictions.putBoolean(key, true); 1819 } else { 1820 newOwnerRestrictions.putBoolean(key, true); 1821 } 1822 } 1823 1824 if (VERBOSE_LOG) { 1825 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1826 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1827 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1828 } 1829 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1830 newBaseRestrictions); 1831 1832 if (admin != null) { 1833 admin.ensureUserRestrictions().clear(); 1834 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1835 } else { 1836 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1837 } 1838 saveSettingsLocked(user.getIdentifier()); 1839 } 1840 1841 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1842 final DevicePolicyData policy = getUserData(userId); 1843 final int n = policy.mAdminList.size(); 1844 ComponentName found = null; 1845 int nFound = 0; 1846 for (int i = 0; i < n; i++) { 1847 final ActiveAdmin admin = policy.mAdminList.get(i); 1848 if (packageName.equals(admin.info.getPackageName())) { 1849 // Found! 1850 if (nFound == 0) { 1851 found = admin.info.getComponent(); 1852 } 1853 nFound++; 1854 } 1855 } 1856 if (nFound > 1) { 1857 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1858 } 1859 return found; 1860 } 1861 1862 /** 1863 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1864 * reminders. Clears alarm if no expirations are configured. 1865 */ 1866 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 1867 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 1868 final long now = System.currentTimeMillis(); 1869 final long timeToExpire = expiration - now; 1870 final long alarmTime; 1871 if (expiration == 0) { 1872 // No expirations are currently configured: Cancel alarm. 1873 alarmTime = 0; 1874 } else if (timeToExpire <= 0) { 1875 // The password has already expired: Repeat every 24 hours. 1876 alarmTime = now + MS_PER_DAY; 1877 } else { 1878 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1879 // the expiration time. 1880 long alarmInterval = timeToExpire % MS_PER_DAY; 1881 if (alarmInterval == 0) { 1882 alarmInterval = MS_PER_DAY; 1883 } 1884 alarmTime = now + alarmInterval; 1885 } 1886 1887 long token = mInjector.binderClearCallingIdentity(); 1888 try { 1889 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 1890 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1891 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1892 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1893 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1894 UserHandle.of(affectedUserHandle)); 1895 am.cancel(pi); 1896 if (alarmTime != 0) { 1897 am.set(AlarmManager.RTC, alarmTime, pi); 1898 } 1899 } finally { 1900 mInjector.binderRestoreCallingIdentity(token); 1901 } 1902 } 1903 1904 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1905 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1906 if (admin != null 1907 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1908 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1909 return admin; 1910 } 1911 return null; 1912 } 1913 1914 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 1915 if (parent) { 1916 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 1917 } 1918 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1919 if (admin != null && parent) { 1920 admin = admin.getParentActiveAdmin(); 1921 } 1922 return admin; 1923 } 1924 1925 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1926 throws SecurityException { 1927 final int callingUid = mInjector.binderGetCallingUid(); 1928 1929 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1930 if (result != null) { 1931 return result; 1932 } 1933 1934 if (who != null) { 1935 final int userId = UserHandle.getUserId(callingUid); 1936 final DevicePolicyData policy = getUserData(userId); 1937 ActiveAdmin admin = policy.mAdminMap.get(who); 1938 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1939 throw new SecurityException("Admin " + admin.info.getComponent() 1940 + " does not own the device"); 1941 } 1942 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1943 throw new SecurityException("Admin " + admin.info.getComponent() 1944 + " does not own the profile"); 1945 } 1946 throw new SecurityException("Admin " + admin.info.getComponent() 1947 + " did not specify uses-policy for: " 1948 + admin.info.getTagForPolicy(reqPolicy)); 1949 } else { 1950 throw new SecurityException("No active admin owned by uid " 1951 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 1952 } 1953 } 1954 1955 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 1956 throws SecurityException { 1957 if (parent) { 1958 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 1959 "call APIs on the parent profile"); 1960 } 1961 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 1962 return parent ? admin.getParentActiveAdmin() : admin; 1963 } 1964 /** 1965 * Find the admin for the component and userId bit of the uid, then check 1966 * the admin's uid matches the uid. 1967 */ 1968 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 1969 final int userId = UserHandle.getUserId(uid); 1970 final DevicePolicyData policy = getUserData(userId); 1971 ActiveAdmin admin = policy.mAdminMap.get(who); 1972 if (admin == null) { 1973 throw new SecurityException("No active admin " + who); 1974 } 1975 if (admin.getUid() != uid) { 1976 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1977 } 1978 return admin; 1979 } 1980 1981 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1982 int uid) { 1983 // Try to find an admin which can use reqPolicy 1984 final int userId = UserHandle.getUserId(uid); 1985 final DevicePolicyData policy = getUserData(userId); 1986 if (who != null) { 1987 ActiveAdmin admin = policy.mAdminMap.get(who); 1988 if (admin == null) { 1989 throw new SecurityException("No active admin " + who); 1990 } 1991 if (admin.getUid() != uid) { 1992 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1993 } 1994 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1995 return admin; 1996 } 1997 } else { 1998 for (ActiveAdmin admin : policy.mAdminList) { 1999 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2000 userId)) { 2001 return admin; 2002 } 2003 } 2004 } 2005 2006 return null; 2007 } 2008 2009 @VisibleForTesting 2010 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2011 int userId) { 2012 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2013 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2014 2015 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2016 return ownsDevice; 2017 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2018 // DO always has the PO power. 2019 return ownsDevice || ownsProfile; 2020 } else { 2021 return admin.info.usesPolicy(reqPolicy); 2022 } 2023 } 2024 2025 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2026 sendAdminCommandLocked(admin, action, null); 2027 } 2028 2029 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2030 sendAdminCommandLocked(admin, action, null, result); 2031 } 2032 2033 /** 2034 * Send an update to one specific admin, get notified when that admin returns a result. 2035 */ 2036 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2037 BroadcastReceiver result) { 2038 Intent intent = new Intent(action); 2039 intent.setComponent(admin.info.getComponent()); 2040 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2041 intent.putExtra("expiration", admin.passwordExpirationDate); 2042 } 2043 if (adminExtras != null) { 2044 intent.putExtras(adminExtras); 2045 } 2046 if (result != null) { 2047 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2048 null, result, mHandler, Activity.RESULT_OK, null, null); 2049 } else { 2050 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2051 } 2052 } 2053 2054 /** 2055 * Send an update to all admins of a user that enforce a specified policy. 2056 */ 2057 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 2058 final DevicePolicyData policy = getUserData(userHandle); 2059 final int count = policy.mAdminList.size(); 2060 if (count > 0) { 2061 for (int i = 0; i < count; i++) { 2062 final ActiveAdmin admin = policy.mAdminList.get(i); 2063 if (admin.info.usesPolicy(reqPolicy)) { 2064 sendAdminCommandLocked(admin, action); 2065 } 2066 } 2067 } 2068 } 2069 2070 /** 2071 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2072 * enforce a specified policy. 2073 */ 2074 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2075 int userHandle) { 2076 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2077 for (int profileId : profileIds) { 2078 sendAdminCommandLocked(action, reqPolicy, profileId); 2079 } 2080 } 2081 2082 /** 2083 * Sends a broadcast to each profile that share the password unlock with the given user id. 2084 */ 2085 private void sendAdminCommandForLockscreenPoliciesLocked( 2086 String action, int reqPolicy, int userHandle) { 2087 if (isSeparateProfileChallengeEnabled(userHandle)) { 2088 sendAdminCommandLocked(action, reqPolicy, userHandle); 2089 } else { 2090 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 2091 } 2092 } 2093 2094 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2095 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2096 if (admin != null) { 2097 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 2098 sendAdminCommandLocked(admin, 2099 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2100 new BroadcastReceiver() { 2101 @Override 2102 public void onReceive(Context context, Intent intent) { 2103 removeAdminArtifacts(adminReceiver, userHandle); 2104 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2105 } 2106 }); 2107 } 2108 } 2109 2110 2111 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2112 boolean throwForMissiongPermission) { 2113 if (!mHasFeature) { 2114 return null; 2115 } 2116 enforceFullCrossUsersPermission(userHandle); 2117 ActivityInfo ai = null; 2118 try { 2119 ai = mIPackageManager.getReceiverInfo(adminName, 2120 PackageManager.GET_META_DATA | 2121 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2122 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2123 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2124 } catch (RemoteException e) { 2125 // shouldn't happen. 2126 } 2127 if (ai == null) { 2128 throw new IllegalArgumentException("Unknown admin: " + adminName); 2129 } 2130 2131 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2132 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2133 + permission.BIND_DEVICE_ADMIN; 2134 Slog.w(LOG_TAG, message); 2135 if (throwForMissiongPermission && 2136 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2137 throw new IllegalArgumentException(message); 2138 } 2139 } 2140 2141 try { 2142 return new DeviceAdminInfo(mContext, ai); 2143 } catch (XmlPullParserException | IOException e) { 2144 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2145 e); 2146 return null; 2147 } 2148 } 2149 2150 private JournaledFile makeJournaledFile(int userHandle) { 2151 final String base = userHandle == UserHandle.USER_SYSTEM 2152 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2153 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2154 DEVICE_POLICIES_XML).getAbsolutePath(); 2155 if (VERBOSE_LOG) { 2156 Log.v(LOG_TAG, "Opening " + base); 2157 } 2158 return new JournaledFile(new File(base), new File(base + ".tmp")); 2159 } 2160 2161 private void saveSettingsLocked(int userHandle) { 2162 DevicePolicyData policy = getUserData(userHandle); 2163 JournaledFile journal = makeJournaledFile(userHandle); 2164 FileOutputStream stream = null; 2165 try { 2166 stream = new FileOutputStream(journal.chooseForWrite(), false); 2167 XmlSerializer out = new FastXmlSerializer(); 2168 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2169 out.startDocument(null, true); 2170 2171 out.startTag(null, "policies"); 2172 if (policy.mRestrictionsProvider != null) { 2173 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2174 policy.mRestrictionsProvider.flattenToString()); 2175 } 2176 if (policy.mUserSetupComplete) { 2177 out.attribute(null, ATTR_SETUP_COMPLETE, 2178 Boolean.toString(true)); 2179 } 2180 if (policy.mDeviceProvisioningConfigApplied) { 2181 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2182 Boolean.toString(true)); 2183 } 2184 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2185 out.attribute(null, ATTR_PROVISIONING_STATE, 2186 Integer.toString(policy.mUserProvisioningState)); 2187 } 2188 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2189 out.attribute(null, ATTR_PERMISSION_POLICY, 2190 Integer.toString(policy.mPermissionPolicy)); 2191 } 2192 if (policy.mDelegatedCertInstallerPackage != null) { 2193 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2194 policy.mDelegatedCertInstallerPackage); 2195 } 2196 if (policy.mApplicationRestrictionsManagingPackage != null) { 2197 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2198 policy.mApplicationRestrictionsManagingPackage); 2199 } 2200 2201 final int N = policy.mAdminList.size(); 2202 for (int i=0; i<N; i++) { 2203 ActiveAdmin ap = policy.mAdminList.get(i); 2204 if (ap != null) { 2205 out.startTag(null, "admin"); 2206 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2207 ap.writeToXml(out); 2208 out.endTag(null, "admin"); 2209 } 2210 } 2211 2212 if (policy.mPasswordOwner >= 0) { 2213 out.startTag(null, "password-owner"); 2214 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2215 out.endTag(null, "password-owner"); 2216 } 2217 2218 if (policy.mFailedPasswordAttempts != 0) { 2219 out.startTag(null, "failed-password-attempts"); 2220 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2221 out.endTag(null, "failed-password-attempts"); 2222 } 2223 2224 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 2225 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 2226 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 2227 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 2228 out.startTag(null, "active-password"); 2229 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 2230 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 2231 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 2232 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 2233 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 2234 out.attribute(null, "numeric", Integer 2235 .toString(policy.mActivePasswordNumeric)); 2236 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 2237 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 2238 out.endTag(null, "active-password"); 2239 } 2240 2241 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2242 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2243 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2244 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2245 } 2246 2247 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2248 String component = policy.mLockTaskPackages.get(i); 2249 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2250 out.attribute(null, "name", component); 2251 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2252 } 2253 2254 if (policy.mStatusBarDisabled) { 2255 out.startTag(null, TAG_STATUS_BAR); 2256 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2257 out.endTag(null, TAG_STATUS_BAR); 2258 } 2259 2260 if (policy.doNotAskCredentialsOnBoot) { 2261 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2262 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2263 } 2264 2265 for (String id : policy.mAffiliationIds) { 2266 out.startTag(null, TAG_AFFILIATION_ID); 2267 out.attribute(null, "id", id); 2268 out.endTag(null, TAG_AFFILIATION_ID); 2269 } 2270 2271 if (policy.mAdminBroadcastPending) { 2272 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2273 out.attribute(null, ATTR_VALUE, 2274 Boolean.toString(policy.mAdminBroadcastPending)); 2275 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2276 } 2277 2278 if (policy.mInitBundle != null) { 2279 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2280 policy.mInitBundle.saveToXml(out); 2281 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2282 } 2283 2284 out.endTag(null, "policies"); 2285 2286 out.endDocument(); 2287 stream.flush(); 2288 FileUtils.sync(stream); 2289 stream.close(); 2290 journal.commit(); 2291 sendChangedNotification(userHandle); 2292 } catch (XmlPullParserException | IOException e) { 2293 Slog.w(LOG_TAG, "failed writing file", e); 2294 try { 2295 if (stream != null) { 2296 stream.close(); 2297 } 2298 } catch (IOException ex) { 2299 // Ignore 2300 } 2301 journal.rollback(); 2302 } 2303 } 2304 2305 private void sendChangedNotification(int userHandle) { 2306 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2307 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2308 long ident = mInjector.binderClearCallingIdentity(); 2309 try { 2310 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2311 } finally { 2312 mInjector.binderRestoreCallingIdentity(ident); 2313 } 2314 } 2315 2316 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2317 JournaledFile journal = makeJournaledFile(userHandle); 2318 FileInputStream stream = null; 2319 File file = journal.chooseForRead(); 2320 try { 2321 stream = new FileInputStream(file); 2322 XmlPullParser parser = Xml.newPullParser(); 2323 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2324 2325 int type; 2326 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2327 && type != XmlPullParser.START_TAG) { 2328 } 2329 String tag = parser.getName(); 2330 if (!"policies".equals(tag)) { 2331 throw new XmlPullParserException( 2332 "Settings do not start with policies tag: found " + tag); 2333 } 2334 2335 // Extract the permission provider component name if available 2336 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2337 if (permissionProvider != null) { 2338 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2339 } 2340 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2341 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2342 policy.mUserSetupComplete = true; 2343 } 2344 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2345 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2346 if (deviceProvisioningConfigApplied != null 2347 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2348 policy.mDeviceProvisioningConfigApplied = true; 2349 } 2350 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2351 if (!TextUtils.isEmpty(provisioningState)) { 2352 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2353 } 2354 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2355 if (!TextUtils.isEmpty(permissionPolicy)) { 2356 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2357 } 2358 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2359 ATTR_DELEGATED_CERT_INSTALLER); 2360 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2361 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2362 2363 type = parser.next(); 2364 int outerDepth = parser.getDepth(); 2365 policy.mLockTaskPackages.clear(); 2366 policy.mAdminList.clear(); 2367 policy.mAdminMap.clear(); 2368 policy.mAffiliationIds.clear(); 2369 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2370 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2371 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2372 continue; 2373 } 2374 tag = parser.getName(); 2375 if ("admin".equals(tag)) { 2376 String name = parser.getAttributeValue(null, "name"); 2377 try { 2378 DeviceAdminInfo dai = findAdmin( 2379 ComponentName.unflattenFromString(name), userHandle, 2380 /* throwForMissionPermission= */ false); 2381 if (VERBOSE_LOG 2382 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2383 != userHandle)) { 2384 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2385 + dai.getActivityInfo().applicationInfo.uid + " for user " 2386 + userHandle); 2387 } 2388 if (dai != null) { 2389 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2390 ap.readFromXml(parser); 2391 policy.mAdminMap.put(ap.info.getComponent(), ap); 2392 } 2393 } catch (RuntimeException e) { 2394 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2395 } 2396 } else if ("failed-password-attempts".equals(tag)) { 2397 policy.mFailedPasswordAttempts = Integer.parseInt( 2398 parser.getAttributeValue(null, "value")); 2399 } else if ("password-owner".equals(tag)) { 2400 policy.mPasswordOwner = Integer.parseInt( 2401 parser.getAttributeValue(null, "value")); 2402 } else if ("active-password".equals(tag)) { 2403 policy.mActivePasswordQuality = Integer.parseInt( 2404 parser.getAttributeValue(null, "quality")); 2405 policy.mActivePasswordLength = Integer.parseInt( 2406 parser.getAttributeValue(null, "length")); 2407 policy.mActivePasswordUpperCase = Integer.parseInt( 2408 parser.getAttributeValue(null, "uppercase")); 2409 policy.mActivePasswordLowerCase = Integer.parseInt( 2410 parser.getAttributeValue(null, "lowercase")); 2411 policy.mActivePasswordLetters = Integer.parseInt( 2412 parser.getAttributeValue(null, "letters")); 2413 policy.mActivePasswordNumeric = Integer.parseInt( 2414 parser.getAttributeValue(null, "numeric")); 2415 policy.mActivePasswordSymbols = Integer.parseInt( 2416 parser.getAttributeValue(null, "symbols")); 2417 policy.mActivePasswordNonLetter = Integer.parseInt( 2418 parser.getAttributeValue(null, "nonletter")); 2419 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2420 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2421 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2422 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2423 } else if (TAG_STATUS_BAR.equals(tag)) { 2424 policy.mStatusBarDisabled = Boolean.parseBoolean( 2425 parser.getAttributeValue(null, ATTR_DISABLED)); 2426 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2427 policy.doNotAskCredentialsOnBoot = true; 2428 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2429 policy.mAffiliationIds.add(parser.getAttributeValue(null, "id")); 2430 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2431 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2432 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2433 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2434 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2435 } else { 2436 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2437 XmlUtils.skipCurrentTag(parser); 2438 } 2439 } 2440 } catch (FileNotFoundException e) { 2441 // Don't be noisy, this is normal if we haven't defined any policies. 2442 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2443 | IndexOutOfBoundsException e) { 2444 Slog.w(LOG_TAG, "failed parsing " + file, e); 2445 } 2446 try { 2447 if (stream != null) { 2448 stream.close(); 2449 } 2450 } catch (IOException e) { 2451 // Ignore 2452 } 2453 2454 // Generate a list of admins from the admin map 2455 policy.mAdminList.addAll(policy.mAdminMap.values()); 2456 2457 // Validate that what we stored for the password quality matches 2458 // sufficiently what is currently set. Note that this is only 2459 // a sanity check in case the two get out of sync; this should 2460 // never normally happen. 2461 final long identity = mInjector.binderClearCallingIdentity(); 2462 try { 2463 int actualPasswordQuality = mLockPatternUtils.getActivePasswordQuality(userHandle); 2464 if (actualPasswordQuality < policy.mActivePasswordQuality) { 2465 Slog.w(LOG_TAG, "Active password quality 0x" 2466 + Integer.toHexString(policy.mActivePasswordQuality) 2467 + " does not match actual quality 0x" 2468 + Integer.toHexString(actualPasswordQuality)); 2469 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2470 policy.mActivePasswordLength = 0; 2471 policy.mActivePasswordUpperCase = 0; 2472 policy.mActivePasswordLowerCase = 0; 2473 policy.mActivePasswordLetters = 0; 2474 policy.mActivePasswordNumeric = 0; 2475 policy.mActivePasswordSymbols = 0; 2476 policy.mActivePasswordNonLetter = 0; 2477 } 2478 } finally { 2479 mInjector.binderRestoreCallingIdentity(identity); 2480 } 2481 2482 validatePasswordOwnerLocked(policy); 2483 updateMaximumTimeToLockLocked(userHandle); 2484 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2485 if (policy.mStatusBarDisabled) { 2486 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2487 } 2488 } 2489 2490 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2491 long ident = mInjector.binderClearCallingIdentity(); 2492 try { 2493 mInjector.getIActivityManager() 2494 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2495 } catch (RemoteException e) { 2496 // Not gonna happen. 2497 } finally { 2498 mInjector.binderRestoreCallingIdentity(ident); 2499 } 2500 } 2501 2502 private void updateDeviceOwnerLocked() { 2503 long ident = mInjector.binderClearCallingIdentity(); 2504 try { 2505 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2506 // user id and also protect all other DAs too. 2507 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2508 if (deviceOwnerComponent != null) { 2509 mInjector.getIActivityManager() 2510 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2511 } 2512 } catch (RemoteException e) { 2513 // Not gonna happen. 2514 } finally { 2515 mInjector.binderRestoreCallingIdentity(ident); 2516 } 2517 } 2518 2519 static void validateQualityConstant(int quality) { 2520 switch (quality) { 2521 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2522 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2523 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2524 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2525 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2526 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2527 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2528 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2529 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2530 return; 2531 } 2532 throw new IllegalArgumentException("Invalid quality constant: 0x" 2533 + Integer.toHexString(quality)); 2534 } 2535 2536 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2537 if (policy.mPasswordOwner >= 0) { 2538 boolean haveOwner = false; 2539 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2540 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2541 haveOwner = true; 2542 break; 2543 } 2544 } 2545 if (!haveOwner) { 2546 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2547 + " no longer active; disabling"); 2548 policy.mPasswordOwner = -1; 2549 } 2550 } 2551 } 2552 2553 @VisibleForTesting 2554 void systemReady(int phase) { 2555 if (!mHasFeature) { 2556 return; 2557 } 2558 switch (phase) { 2559 case SystemService.PHASE_LOCK_SETTINGS_READY: 2560 onLockSettingsReady(); 2561 break; 2562 case SystemService.PHASE_BOOT_COMPLETED: 2563 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2564 break; 2565 } 2566 } 2567 2568 private void onLockSettingsReady() { 2569 getUserData(UserHandle.USER_SYSTEM); 2570 loadOwners(); 2571 cleanUpOldUsers(); 2572 2573 onStartUser(UserHandle.USER_SYSTEM); 2574 2575 // Register an observer for watching for user setup complete. 2576 new SetupContentObserver(mHandler).register(); 2577 // Initialize the user setup state, to handle the upgrade case. 2578 updateUserSetupComplete(); 2579 2580 List<String> packageList; 2581 synchronized (this) { 2582 packageList = getKeepUninstalledPackagesLocked(); 2583 } 2584 if (packageList != null) { 2585 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2586 } 2587 2588 synchronized (this) { 2589 // push the force-ephemeral-users policy to the user manager. 2590 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2591 if (deviceOwner != null) { 2592 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2593 } 2594 } 2595 } 2596 2597 private void ensureDeviceOwnerUserStarted() { 2598 final int userId; 2599 synchronized (this) { 2600 if (!mOwners.hasDeviceOwner()) { 2601 return; 2602 } 2603 userId = mOwners.getDeviceOwnerUserId(); 2604 } 2605 if (VERBOSE_LOG) { 2606 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2607 } 2608 if (userId != UserHandle.USER_SYSTEM) { 2609 try { 2610 mInjector.getIActivityManager().startUserInBackground(userId); 2611 2612 // STOPSHIP Prevent the DO user from being killed. 2613 2614 } catch (RemoteException e) { 2615 Slog.w(LOG_TAG, "Exception starting user", e); 2616 } 2617 } 2618 } 2619 2620 private void onStartUser(int userId) { 2621 updateScreenCaptureDisabledInWindowManager(userId, 2622 getScreenCaptureDisabled(null, userId)); 2623 pushUserRestrictions(userId); 2624 } 2625 2626 private void cleanUpOldUsers() { 2627 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2628 // before reboot 2629 Set<Integer> usersWithProfileOwners; 2630 Set<Integer> usersWithData; 2631 synchronized(this) { 2632 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2633 usersWithData = new ArraySet<>(); 2634 for (int i = 0; i < mUserData.size(); i++) { 2635 usersWithData.add(mUserData.keyAt(i)); 2636 } 2637 } 2638 List<UserInfo> allUsers = mUserManager.getUsers(); 2639 2640 Set<Integer> deletedUsers = new ArraySet<>(); 2641 deletedUsers.addAll(usersWithProfileOwners); 2642 deletedUsers.addAll(usersWithData); 2643 for (UserInfo userInfo : allUsers) { 2644 deletedUsers.remove(userInfo.id); 2645 } 2646 for (Integer userId : deletedUsers) { 2647 removeUserData(userId); 2648 } 2649 } 2650 2651 private void handlePasswordExpirationNotification(int userHandle) { 2652 synchronized (this) { 2653 final long now = System.currentTimeMillis(); 2654 2655 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2656 userHandle, /* parent */ false); 2657 final int N = admins.size(); 2658 for (int i = 0; i < N; i++) { 2659 ActiveAdmin admin = admins.get(i); 2660 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2661 && admin.passwordExpirationTimeout > 0L 2662 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2663 && admin.passwordExpirationDate > 0L) { 2664 sendAdminCommandLocked(admin, 2665 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2666 } 2667 } 2668 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2669 } 2670 } 2671 2672 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2673 @Override 2674 protected Void doInBackground(Integer... params) { 2675 int userHandle = params[0]; 2676 2677 if (userHandle == UserHandle.USER_ALL) { 2678 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2679 manageNotification(userInfo.getUserHandle()); 2680 } 2681 } else { 2682 manageNotification(UserHandle.of(userHandle)); 2683 } 2684 return null; 2685 } 2686 2687 private void manageNotification(UserHandle userHandle) { 2688 if (!mUserManager.isUserUnlocked(userHandle)) { 2689 return; 2690 } 2691 2692 // Call out to KeyChain to check for CAs which are waiting for approval. 2693 final List<String> pendingCertificates; 2694 try { 2695 pendingCertificates = getInstalledCaCertificates(userHandle); 2696 } catch (RemoteException | RuntimeException e) { 2697 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2698 return; 2699 } 2700 2701 synchronized (DevicePolicyManagerService.this) { 2702 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2703 2704 // Remove deleted certificates. Flush xml if necessary. 2705 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2706 saveSettingsLocked(userHandle.getIdentifier()); 2707 } 2708 // Trim to approved certificates. 2709 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2710 } 2711 2712 if (pendingCertificates.isEmpty()) { 2713 mInjector.getNotificationManager().cancelAsUser( 2714 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2715 return; 2716 } 2717 2718 // Build and show a warning notification 2719 int smallIconId; 2720 String contentText; 2721 int parentUserId = userHandle.getIdentifier(); 2722 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2723 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2724 getProfileOwnerName(userHandle.getIdentifier())); 2725 smallIconId = R.drawable.stat_sys_certificate_info; 2726 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2727 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2728 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2729 getDeviceOwnerName()); 2730 smallIconId = R.drawable.stat_sys_certificate_info; 2731 } else { 2732 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2733 smallIconId = android.R.drawable.stat_sys_warning; 2734 } 2735 2736 final int numberOfCertificates = pendingCertificates.size(); 2737 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2738 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2739 dialogIntent.setPackage("com.android.settings"); 2740 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 2741 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 2742 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2743 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 2744 new UserHandle(parentUserId)); 2745 2746 final Context userContext; 2747 try { 2748 final String packageName = mContext.getPackageName(); 2749 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 2750 } catch (PackageManager.NameNotFoundException e) { 2751 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2752 return; 2753 } 2754 final Notification noti = new Notification.Builder(userContext) 2755 .setSmallIcon(smallIconId) 2756 .setContentTitle(mContext.getResources().getQuantityText( 2757 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 2758 .setContentText(contentText) 2759 .setContentIntent(notifyIntent) 2760 .setPriority(Notification.PRIORITY_HIGH) 2761 .setShowWhen(false) 2762 .setColor(mContext.getColor( 2763 com.android.internal.R.color.system_notification_accent_color)) 2764 .build(); 2765 2766 mInjector.getNotificationManager().notifyAsUser( 2767 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2768 } 2769 2770 private List<String> getInstalledCaCertificates(UserHandle userHandle) 2771 throws RemoteException, RuntimeException { 2772 KeyChainConnection conn = null; 2773 try { 2774 conn = KeyChain.bindAsUser(mContext, userHandle); 2775 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 2776 List<String> result = new ArrayList<>(aliases.size()); 2777 for (int i = 0; i < aliases.size(); i++) { 2778 result.add(aliases.get(i).string); 2779 } 2780 return result; 2781 } catch (InterruptedException e) { 2782 Thread.currentThread().interrupt(); 2783 return null; 2784 } catch (AssertionError e) { 2785 throw new RuntimeException(e); 2786 } finally { 2787 if (conn != null) { 2788 conn.close(); 2789 } 2790 } 2791 } 2792 } 2793 2794 /** 2795 * @param adminReceiver The admin to add 2796 * @param refreshing true = update an active admin, no error 2797 */ 2798 @Override 2799 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2800 if (!mHasFeature) { 2801 return; 2802 } 2803 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2804 } 2805 2806 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2807 Bundle onEnableData) { 2808 mContext.enforceCallingOrSelfPermission( 2809 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2810 enforceFullCrossUsersPermission(userHandle); 2811 2812 DevicePolicyData policy = getUserData(userHandle); 2813 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2814 /* throwForMissionPermission= */ true); 2815 if (info == null) { 2816 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2817 } 2818 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2819 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 2820 + adminReceiver); 2821 } 2822 synchronized (this) { 2823 long ident = mInjector.binderClearCallingIdentity(); 2824 try { 2825 if (!refreshing 2826 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 2827 throw new IllegalArgumentException("Admin is already added"); 2828 } 2829 if (policy.mRemovingAdmins.contains(adminReceiver)) { 2830 throw new IllegalArgumentException( 2831 "Trying to set an admin which is being removed"); 2832 } 2833 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2834 policy.mAdminMap.put(adminReceiver, newAdmin); 2835 int replaceIndex = -1; 2836 final int N = policy.mAdminList.size(); 2837 for (int i=0; i < N; i++) { 2838 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2839 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2840 replaceIndex = i; 2841 break; 2842 } 2843 } 2844 if (replaceIndex == -1) { 2845 policy.mAdminList.add(newAdmin); 2846 enableIfNecessary(info.getPackageName(), userHandle); 2847 } else { 2848 policy.mAdminList.set(replaceIndex, newAdmin); 2849 } 2850 saveSettingsLocked(userHandle); 2851 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2852 onEnableData, null); 2853 } finally { 2854 mInjector.binderRestoreCallingIdentity(ident); 2855 } 2856 } 2857 } 2858 2859 @Override 2860 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2861 if (!mHasFeature) { 2862 return false; 2863 } 2864 enforceFullCrossUsersPermission(userHandle); 2865 synchronized (this) { 2866 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2867 } 2868 } 2869 2870 @Override 2871 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2872 if (!mHasFeature) { 2873 return false; 2874 } 2875 enforceFullCrossUsersPermission(userHandle); 2876 synchronized (this) { 2877 DevicePolicyData policyData = getUserData(userHandle); 2878 return policyData.mRemovingAdmins.contains(adminReceiver); 2879 } 2880 } 2881 2882 @Override 2883 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2884 if (!mHasFeature) { 2885 return false; 2886 } 2887 enforceFullCrossUsersPermission(userHandle); 2888 synchronized (this) { 2889 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2890 if (administrator == null) { 2891 throw new SecurityException("No active admin " + adminReceiver); 2892 } 2893 return administrator.info.usesPolicy(policyId); 2894 } 2895 } 2896 2897 @Override 2898 @SuppressWarnings("unchecked") 2899 public List<ComponentName> getActiveAdmins(int userHandle) { 2900 if (!mHasFeature) { 2901 return Collections.EMPTY_LIST; 2902 } 2903 2904 enforceFullCrossUsersPermission(userHandle); 2905 synchronized (this) { 2906 DevicePolicyData policy = getUserData(userHandle); 2907 final int N = policy.mAdminList.size(); 2908 if (N <= 0) { 2909 return null; 2910 } 2911 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2912 for (int i=0; i<N; i++) { 2913 res.add(policy.mAdminList.get(i).info.getComponent()); 2914 } 2915 return res; 2916 } 2917 } 2918 2919 @Override 2920 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2921 if (!mHasFeature) { 2922 return false; 2923 } 2924 enforceFullCrossUsersPermission(userHandle); 2925 synchronized (this) { 2926 DevicePolicyData policy = getUserData(userHandle); 2927 final int N = policy.mAdminList.size(); 2928 for (int i=0; i<N; i++) { 2929 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2930 return true; 2931 } 2932 } 2933 return false; 2934 } 2935 } 2936 2937 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 2938 if (!mHasFeature) { 2939 return; 2940 } 2941 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 2942 enforceShell("forceRemoveActiveAdmin"); 2943 long ident = mInjector.binderClearCallingIdentity(); 2944 try { 2945 final ApplicationInfo ai; 2946 try { 2947 ai = mIPackageManager.getApplicationInfo(adminReceiver.getPackageName(), 2948 0, userHandle); 2949 } catch (RemoteException e) { 2950 throw new IllegalStateException(e); 2951 } 2952 if (ai == null) { 2953 throw new IllegalStateException("Couldn't find package to remove admin " 2954 + adminReceiver.getPackageName() + " " + userHandle); 2955 } 2956 if ((ai.flags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 2957 throw new SecurityException("Attempt to remove non-test admin " + adminReceiver 2958 + adminReceiver + " " + userHandle); 2959 } 2960 // If admin is a device or profile owner tidy that up first. 2961 synchronized (this) { 2962 if (isDeviceOwner(adminReceiver, userHandle)) { 2963 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 2964 } 2965 if (isProfileOwner(adminReceiver, userHandle)) { 2966 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 2967 userHandle, /* parent */ false); 2968 clearProfileOwnerLocked(admin, userHandle); 2969 } 2970 } 2971 // Remove the admin skipping sending the broadcast. 2972 removeAdminArtifacts(adminReceiver, userHandle); 2973 } finally { 2974 mInjector.binderRestoreCallingIdentity(ident); 2975 } 2976 } 2977 2978 private void enforceShell(String method) { 2979 final int callingUid = Binder.getCallingUid(); 2980 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 2981 throw new SecurityException("Non-shell user attempted to call " + method); 2982 } 2983 } 2984 2985 @Override 2986 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2987 if (!mHasFeature) { 2988 return; 2989 } 2990 enforceFullCrossUsersPermission(userHandle); 2991 enforceUserUnlocked(userHandle); 2992 synchronized (this) { 2993 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2994 if (admin == null) { 2995 return; 2996 } 2997 // Active device/profile owners must remain active admins. 2998 if (isDeviceOwner(adminReceiver, userHandle) 2999 || isProfileOwner(adminReceiver, userHandle)) { 3000 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3001 adminReceiver); 3002 return; 3003 } 3004 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3005 mContext.enforceCallingOrSelfPermission( 3006 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3007 } 3008 long ident = mInjector.binderClearCallingIdentity(); 3009 try { 3010 removeActiveAdminLocked(adminReceiver, userHandle); 3011 } finally { 3012 mInjector.binderRestoreCallingIdentity(ident); 3013 } 3014 } 3015 } 3016 3017 @Override 3018 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3019 ComponentName profileOwner = getProfileOwner(userHandle); 3020 // Profile challenge is supported on N or newer release. 3021 return profileOwner != null && 3022 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3023 } 3024 3025 @Override 3026 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3027 if (!mHasFeature) { 3028 return; 3029 } 3030 Preconditions.checkNotNull(who, "ComponentName is null"); 3031 validateQualityConstant(quality); 3032 3033 synchronized (this) { 3034 ActiveAdmin ap = getActiveAdminForCallerLocked( 3035 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3036 if (ap.passwordQuality != quality) { 3037 ap.passwordQuality = quality; 3038 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3039 } 3040 } 3041 } 3042 3043 @Override 3044 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3045 if (!mHasFeature) { 3046 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3047 } 3048 enforceFullCrossUsersPermission(userHandle); 3049 synchronized (this) { 3050 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3051 3052 if (who != null) { 3053 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3054 return admin != null ? admin.passwordQuality : mode; 3055 } 3056 3057 // Return the strictest policy across all participating admins. 3058 List<ActiveAdmin> admins = 3059 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3060 final int N = admins.size(); 3061 for (int i = 0; i < N; i++) { 3062 ActiveAdmin admin = admins.get(i); 3063 if (mode < admin.passwordQuality) { 3064 mode = admin.passwordQuality; 3065 } 3066 } 3067 return mode; 3068 } 3069 } 3070 3071 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3072 int userHandle, boolean parent) { 3073 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3074 // If this user has a separate challenge, only return its restrictions. 3075 return getUserDataUnchecked(userHandle).mAdminList; 3076 } else { 3077 // Return all admins for this user and the profiles that are visible from this 3078 // user that do not use a separate work challenge. 3079 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3080 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3081 DevicePolicyData policy = getUserData(userInfo.id); 3082 if (!userInfo.isManagedProfile()) { 3083 admins.addAll(policy.mAdminList); 3084 } else { 3085 // For managed profiles, we always include the policies set on the parent 3086 // profile. Additionally, we include the ones set on the managed profile 3087 // if no separate challenge is in place. 3088 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3089 final int N = policy.mAdminList.size(); 3090 for (int i = 0; i < N; i++) { 3091 ActiveAdmin admin = policy.mAdminList.get(i); 3092 if (admin.hasParentActiveAdmin()) { 3093 admins.add(admin.getParentActiveAdmin()); 3094 } 3095 if (!hasSeparateChallenge) { 3096 admins.add(admin); 3097 } 3098 } 3099 } 3100 } 3101 return admins; 3102 } 3103 } 3104 3105 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3106 long ident = mInjector.binderClearCallingIdentity(); 3107 try { 3108 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3109 } finally { 3110 mInjector.binderRestoreCallingIdentity(ident); 3111 } 3112 } 3113 3114 @Override 3115 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3116 if (!mHasFeature) { 3117 return; 3118 } 3119 Preconditions.checkNotNull(who, "ComponentName is null"); 3120 synchronized (this) { 3121 ActiveAdmin ap = getActiveAdminForCallerLocked( 3122 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3123 if (ap.minimumPasswordLength != length) { 3124 ap.minimumPasswordLength = length; 3125 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3126 } 3127 } 3128 } 3129 3130 @Override 3131 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3132 if (!mHasFeature) { 3133 return 0; 3134 } 3135 enforceFullCrossUsersPermission(userHandle); 3136 synchronized (this) { 3137 int length = 0; 3138 3139 if (who != null) { 3140 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3141 return admin != null ? admin.minimumPasswordLength : length; 3142 } 3143 3144 // Return the strictest policy across all participating admins. 3145 List<ActiveAdmin> admins = 3146 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3147 final int N = admins.size(); 3148 for (int i = 0; i < N; i++) { 3149 ActiveAdmin admin = admins.get(i); 3150 if (length < admin.minimumPasswordLength) { 3151 length = admin.minimumPasswordLength; 3152 } 3153 } 3154 return length; 3155 } 3156 } 3157 3158 @Override 3159 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3160 if (!mHasFeature) { 3161 return; 3162 } 3163 Preconditions.checkNotNull(who, "ComponentName is null"); 3164 synchronized (this) { 3165 ActiveAdmin ap = getActiveAdminForCallerLocked( 3166 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3167 if (ap.passwordHistoryLength != length) { 3168 ap.passwordHistoryLength = length; 3169 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3170 } 3171 } 3172 } 3173 3174 @Override 3175 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3176 if (!mHasFeature) { 3177 return 0; 3178 } 3179 enforceFullCrossUsersPermission(userHandle); 3180 synchronized (this) { 3181 int length = 0; 3182 3183 if (who != null) { 3184 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3185 return admin != null ? admin.passwordHistoryLength : length; 3186 } 3187 3188 // Return the strictest policy across all participating admins. 3189 List<ActiveAdmin> admins = 3190 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3191 final int N = admins.size(); 3192 for (int i = 0; i < N; i++) { 3193 ActiveAdmin admin = admins.get(i); 3194 if (length < admin.passwordHistoryLength) { 3195 length = admin.passwordHistoryLength; 3196 } 3197 } 3198 3199 return length; 3200 } 3201 } 3202 3203 @Override 3204 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3205 if (!mHasFeature) { 3206 return; 3207 } 3208 Preconditions.checkNotNull(who, "ComponentName is null"); 3209 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3210 final int userHandle = mInjector.userHandleGetCallingUserId(); 3211 synchronized (this) { 3212 ActiveAdmin ap = getActiveAdminForCallerLocked( 3213 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3214 // Calling this API automatically bumps the expiration date 3215 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3216 ap.passwordExpirationDate = expiration; 3217 ap.passwordExpirationTimeout = timeout; 3218 if (timeout > 0L) { 3219 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3220 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3221 .format(new Date(expiration))); 3222 } 3223 saveSettingsLocked(userHandle); 3224 3225 // in case this is the first one, set the alarm on the appropriate user. 3226 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3227 } 3228 } 3229 3230 /** 3231 * Return a single admin's expiration cycle time, or the min of all cycle times. 3232 * Returns 0 if not configured. 3233 */ 3234 @Override 3235 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3236 if (!mHasFeature) { 3237 return 0L; 3238 } 3239 enforceFullCrossUsersPermission(userHandle); 3240 synchronized (this) { 3241 long timeout = 0L; 3242 3243 if (who != null) { 3244 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3245 return admin != null ? admin.passwordExpirationTimeout : timeout; 3246 } 3247 3248 // Return the strictest policy across all participating admins. 3249 List<ActiveAdmin> admins = 3250 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3251 final int N = admins.size(); 3252 for (int i = 0; i < N; i++) { 3253 ActiveAdmin admin = admins.get(i); 3254 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3255 && timeout > admin.passwordExpirationTimeout)) { 3256 timeout = admin.passwordExpirationTimeout; 3257 } 3258 } 3259 return timeout; 3260 } 3261 } 3262 3263 @Override 3264 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3265 final int userId = UserHandle.getCallingUserId(); 3266 List<String> changedProviders = null; 3267 3268 synchronized (this) { 3269 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3270 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3271 if (activeAdmin.crossProfileWidgetProviders == null) { 3272 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3273 } 3274 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3275 if (!providers.contains(packageName)) { 3276 providers.add(packageName); 3277 changedProviders = new ArrayList<>(providers); 3278 saveSettingsLocked(userId); 3279 } 3280 } 3281 3282 if (changedProviders != null) { 3283 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3284 return true; 3285 } 3286 3287 return false; 3288 } 3289 3290 @Override 3291 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3292 final int userId = UserHandle.getCallingUserId(); 3293 List<String> changedProviders = null; 3294 3295 synchronized (this) { 3296 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3297 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3298 if (activeAdmin.crossProfileWidgetProviders == null) { 3299 return false; 3300 } 3301 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3302 if (providers.remove(packageName)) { 3303 changedProviders = new ArrayList<>(providers); 3304 saveSettingsLocked(userId); 3305 } 3306 } 3307 3308 if (changedProviders != null) { 3309 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3310 return true; 3311 } 3312 3313 return false; 3314 } 3315 3316 @Override 3317 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3318 synchronized (this) { 3319 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3320 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3321 if (activeAdmin.crossProfileWidgetProviders == null 3322 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3323 return null; 3324 } 3325 if (mInjector.binderIsCallingUidMyUid()) { 3326 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3327 } else { 3328 return activeAdmin.crossProfileWidgetProviders; 3329 } 3330 } 3331 } 3332 3333 /** 3334 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3335 * Returns 0 if not configured. 3336 */ 3337 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3338 long timeout = 0L; 3339 3340 if (who != null) { 3341 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3342 return admin != null ? admin.passwordExpirationDate : timeout; 3343 } 3344 3345 // Return the strictest policy across all participating admins. 3346 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3347 final int N = admins.size(); 3348 for (int i = 0; i < N; i++) { 3349 ActiveAdmin admin = admins.get(i); 3350 if (timeout == 0L || (admin.passwordExpirationDate != 0 3351 && timeout > admin.passwordExpirationDate)) { 3352 timeout = admin.passwordExpirationDate; 3353 } 3354 } 3355 return timeout; 3356 } 3357 3358 @Override 3359 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3360 if (!mHasFeature) { 3361 return 0L; 3362 } 3363 enforceFullCrossUsersPermission(userHandle); 3364 synchronized (this) { 3365 return getPasswordExpirationLocked(who, userHandle, parent); 3366 } 3367 } 3368 3369 @Override 3370 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3371 if (!mHasFeature) { 3372 return; 3373 } 3374 Preconditions.checkNotNull(who, "ComponentName is null"); 3375 synchronized (this) { 3376 ActiveAdmin ap = getActiveAdminForCallerLocked( 3377 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3378 if (ap.minimumPasswordUpperCase != length) { 3379 ap.minimumPasswordUpperCase = length; 3380 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3381 } 3382 } 3383 } 3384 3385 @Override 3386 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3387 if (!mHasFeature) { 3388 return 0; 3389 } 3390 enforceFullCrossUsersPermission(userHandle); 3391 synchronized (this) { 3392 int length = 0; 3393 3394 if (who != null) { 3395 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3396 return admin != null ? admin.minimumPasswordUpperCase : length; 3397 } 3398 3399 // Return the strictest policy across all participating admins. 3400 List<ActiveAdmin> admins = 3401 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3402 final int N = admins.size(); 3403 for (int i = 0; i < N; i++) { 3404 ActiveAdmin admin = admins.get(i); 3405 if (length < admin.minimumPasswordUpperCase) { 3406 length = admin.minimumPasswordUpperCase; 3407 } 3408 } 3409 return length; 3410 } 3411 } 3412 3413 @Override 3414 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3415 Preconditions.checkNotNull(who, "ComponentName is null"); 3416 synchronized (this) { 3417 ActiveAdmin ap = getActiveAdminForCallerLocked( 3418 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3419 if (ap.minimumPasswordLowerCase != length) { 3420 ap.minimumPasswordLowerCase = length; 3421 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3422 } 3423 } 3424 } 3425 3426 @Override 3427 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3428 if (!mHasFeature) { 3429 return 0; 3430 } 3431 enforceFullCrossUsersPermission(userHandle); 3432 synchronized (this) { 3433 int length = 0; 3434 3435 if (who != null) { 3436 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3437 return admin != null ? admin.minimumPasswordLowerCase : length; 3438 } 3439 3440 // Return the strictest policy across all participating admins. 3441 List<ActiveAdmin> admins = 3442 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3443 final int N = admins.size(); 3444 for (int i = 0; i < N; i++) { 3445 ActiveAdmin admin = admins.get(i); 3446 if (length < admin.minimumPasswordLowerCase) { 3447 length = admin.minimumPasswordLowerCase; 3448 } 3449 } 3450 return length; 3451 } 3452 } 3453 3454 @Override 3455 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3456 if (!mHasFeature) { 3457 return; 3458 } 3459 Preconditions.checkNotNull(who, "ComponentName is null"); 3460 synchronized (this) { 3461 ActiveAdmin ap = getActiveAdminForCallerLocked( 3462 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3463 if (ap.minimumPasswordLetters != length) { 3464 ap.minimumPasswordLetters = length; 3465 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3466 } 3467 } 3468 } 3469 3470 @Override 3471 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3472 if (!mHasFeature) { 3473 return 0; 3474 } 3475 enforceFullCrossUsersPermission(userHandle); 3476 synchronized (this) { 3477 int length = 0; 3478 3479 if (who != null) { 3480 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3481 return admin != null ? admin.minimumPasswordLetters : length; 3482 } 3483 3484 // Return the strictest policy across all participating admins. 3485 List<ActiveAdmin> admins = 3486 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3487 final int N = admins.size(); 3488 for (int i = 0; i < N; i++) { 3489 ActiveAdmin admin = admins.get(i); 3490 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3491 continue; 3492 } 3493 if (length < admin.minimumPasswordLetters) { 3494 length = admin.minimumPasswordLetters; 3495 } 3496 } 3497 return length; 3498 } 3499 } 3500 3501 @Override 3502 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3503 if (!mHasFeature) { 3504 return; 3505 } 3506 Preconditions.checkNotNull(who, "ComponentName is null"); 3507 synchronized (this) { 3508 ActiveAdmin ap = getActiveAdminForCallerLocked( 3509 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3510 if (ap.minimumPasswordNumeric != length) { 3511 ap.minimumPasswordNumeric = length; 3512 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3513 } 3514 } 3515 } 3516 3517 @Override 3518 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3519 if (!mHasFeature) { 3520 return 0; 3521 } 3522 enforceFullCrossUsersPermission(userHandle); 3523 synchronized (this) { 3524 int length = 0; 3525 3526 if (who != null) { 3527 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3528 return admin != null ? admin.minimumPasswordNumeric : length; 3529 } 3530 3531 // Return the strictest policy across all participating admins. 3532 List<ActiveAdmin> admins = 3533 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3534 final int N = admins.size(); 3535 for (int i = 0; i < N; i++) { 3536 ActiveAdmin admin = admins.get(i); 3537 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3538 continue; 3539 } 3540 if (length < admin.minimumPasswordNumeric) { 3541 length = admin.minimumPasswordNumeric; 3542 } 3543 } 3544 return length; 3545 } 3546 } 3547 3548 @Override 3549 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3550 if (!mHasFeature) { 3551 return; 3552 } 3553 Preconditions.checkNotNull(who, "ComponentName is null"); 3554 synchronized (this) { 3555 ActiveAdmin ap = getActiveAdminForCallerLocked( 3556 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3557 if (ap.minimumPasswordSymbols != length) { 3558 ap.minimumPasswordSymbols = length; 3559 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3560 } 3561 } 3562 } 3563 3564 @Override 3565 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3566 if (!mHasFeature) { 3567 return 0; 3568 } 3569 enforceFullCrossUsersPermission(userHandle); 3570 synchronized (this) { 3571 int length = 0; 3572 3573 if (who != null) { 3574 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3575 return admin != null ? admin.minimumPasswordSymbols : length; 3576 } 3577 3578 // Return the strictest policy across all participating admins. 3579 List<ActiveAdmin> admins = 3580 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3581 final int N = admins.size(); 3582 for (int i = 0; i < N; i++) { 3583 ActiveAdmin admin = admins.get(i); 3584 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3585 continue; 3586 } 3587 if (length < admin.minimumPasswordSymbols) { 3588 length = admin.minimumPasswordSymbols; 3589 } 3590 } 3591 return length; 3592 } 3593 } 3594 3595 @Override 3596 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3597 if (!mHasFeature) { 3598 return; 3599 } 3600 Preconditions.checkNotNull(who, "ComponentName is null"); 3601 synchronized (this) { 3602 ActiveAdmin ap = getActiveAdminForCallerLocked( 3603 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3604 if (ap.minimumPasswordNonLetter != length) { 3605 ap.minimumPasswordNonLetter = length; 3606 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3607 } 3608 } 3609 } 3610 3611 @Override 3612 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3613 if (!mHasFeature) { 3614 return 0; 3615 } 3616 enforceFullCrossUsersPermission(userHandle); 3617 synchronized (this) { 3618 int length = 0; 3619 3620 if (who != null) { 3621 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3622 return admin != null ? admin.minimumPasswordNonLetter : length; 3623 } 3624 3625 // Return the strictest policy across all participating admins. 3626 List<ActiveAdmin> admins = 3627 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3628 final int N = admins.size(); 3629 for (int i = 0; i < N; i++) { 3630 ActiveAdmin admin = admins.get(i); 3631 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3632 continue; 3633 } 3634 if (length < admin.minimumPasswordNonLetter) { 3635 length = admin.minimumPasswordNonLetter; 3636 } 3637 } 3638 return length; 3639 } 3640 } 3641 3642 @Override 3643 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3644 if (!mHasFeature) { 3645 return true; 3646 } 3647 enforceFullCrossUsersPermission(userHandle); 3648 3649 synchronized (this) { 3650 // This API can only be called by an active device admin, 3651 // so try to retrieve it to check that the caller is one. 3652 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3653 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3654 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3655 } 3656 } 3657 3658 @Override 3659 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3660 if (!mHasFeature) { 3661 return true; 3662 } 3663 enforceFullCrossUsersPermission(userHandle); 3664 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3665 3666 synchronized (this) { 3667 int targetUser = getProfileParentId(userHandle); 3668 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3669 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3670 } 3671 } 3672 3673 private boolean isActivePasswordSufficientForUserLocked( 3674 DevicePolicyData policy, int userHandle, boolean parent) { 3675 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle, parent) 3676 || policy.mActivePasswordLength < getPasswordMinimumLength( 3677 null, userHandle, parent)) { 3678 return false; 3679 } 3680 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3681 return true; 3682 } 3683 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase( 3684 null, userHandle, parent) 3685 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase( 3686 null, userHandle, parent) 3687 && policy.mActivePasswordLetters >= getPasswordMinimumLetters( 3688 null, userHandle, parent) 3689 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric( 3690 null, userHandle, parent) 3691 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols( 3692 null, userHandle, parent) 3693 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter( 3694 null, userHandle, parent); 3695 } 3696 3697 @Override 3698 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3699 enforceFullCrossUsersPermission(userHandle); 3700 synchronized (this) { 3701 if (!isCallerWithSystemUid()) { 3702 // This API can only be called by an active device admin, 3703 // so try to retrieve it to check that the caller is one. 3704 getActiveAdminForCallerLocked( 3705 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3706 } 3707 3708 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3709 3710 return policy.mFailedPasswordAttempts; 3711 } 3712 } 3713 3714 @Override 3715 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3716 if (!mHasFeature) { 3717 return; 3718 } 3719 Preconditions.checkNotNull(who, "ComponentName is null"); 3720 synchronized (this) { 3721 // This API can only be called by an active device admin, 3722 // so try to retrieve it to check that the caller is one. 3723 getActiveAdminForCallerLocked( 3724 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3725 ActiveAdmin ap = getActiveAdminForCallerLocked( 3726 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3727 if (ap.maximumFailedPasswordsForWipe != num) { 3728 ap.maximumFailedPasswordsForWipe = num; 3729 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3730 } 3731 } 3732 } 3733 3734 @Override 3735 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3736 if (!mHasFeature) { 3737 return 0; 3738 } 3739 enforceFullCrossUsersPermission(userHandle); 3740 synchronized (this) { 3741 ActiveAdmin admin = (who != null) 3742 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3743 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3744 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3745 } 3746 } 3747 3748 @Override 3749 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3750 if (!mHasFeature) { 3751 return UserHandle.USER_NULL; 3752 } 3753 enforceFullCrossUsersPermission(userHandle); 3754 synchronized (this) { 3755 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3756 userHandle, parent); 3757 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3758 } 3759 } 3760 3761 /** 3762 * Returns the admin with the strictest policy on maximum failed passwords for: 3763 * <ul> 3764 * <li>this user if it has a separate profile challenge, or 3765 * <li>this user and all profiles that don't have their own challenge otherwise. 3766 * </ul> 3767 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3768 * the primary profile. 3769 * Returns {@code null} if no participating admin has that policy set. 3770 */ 3771 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3772 int userHandle, boolean parent) { 3773 int count = 0; 3774 ActiveAdmin strictestAdmin = null; 3775 3776 // Return the strictest policy across all participating admins. 3777 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3778 final int N = admins.size(); 3779 for (int i = 0; i < N; i++) { 3780 ActiveAdmin admin = admins.get(i); 3781 if (admin.maximumFailedPasswordsForWipe == 3782 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3783 continue; // No max number of failed passwords policy set for this profile. 3784 } 3785 3786 // We always favor the primary profile if several profiles have the same value set. 3787 int userId = admin.getUserHandle().getIdentifier(); 3788 if (count == 0 || 3789 count > admin.maximumFailedPasswordsForWipe || 3790 (count == admin.maximumFailedPasswordsForWipe && 3791 getUserInfo(userId).isPrimary())) { 3792 count = admin.maximumFailedPasswordsForWipe; 3793 strictestAdmin = admin; 3794 } 3795 } 3796 return strictestAdmin; 3797 } 3798 3799 private UserInfo getUserInfo(@UserIdInt int userId) { 3800 final long token = mInjector.binderClearCallingIdentity(); 3801 try { 3802 return mUserManager.getUserInfo(userId); 3803 } finally { 3804 mInjector.binderRestoreCallingIdentity(token); 3805 } 3806 } 3807 3808 @Override 3809 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3810 if (!mHasFeature) { 3811 return false; 3812 } 3813 final int callingUid = mInjector.binderGetCallingUid(); 3814 final int userHandle = mInjector.userHandleGetCallingUserId(); 3815 3816 String password = passwordOrNull != null ? passwordOrNull : ""; 3817 3818 // Password resetting to empty/null is not allowed for managed profiles. 3819 if (TextUtils.isEmpty(password)) { 3820 enforceNotManagedProfile(userHandle, "clear the active password"); 3821 } 3822 3823 int quality; 3824 synchronized (this) { 3825 // If caller has PO (or DO) it can change the password, so see if that's the case first. 3826 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 3827 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 3828 final boolean preN; 3829 if (admin != null) { 3830 preN = getTargetSdk(admin.info.getPackageName(), 3831 userHandle) <= android.os.Build.VERSION_CODES.M; 3832 } else { 3833 // Otherwise, make sure the caller has any active admin with the right policy. 3834 admin = getActiveAdminForCallerLocked(null, 3835 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 3836 preN = getTargetSdk(admin.info.getPackageName(), 3837 userHandle) <= android.os.Build.VERSION_CODES.M; 3838 3839 // As of N, password resetting to empty/null is not allowed anymore. 3840 // TODO Should we allow DO/PO to set an empty password? 3841 if (TextUtils.isEmpty(password)) { 3842 if (!preN) { 3843 throw new SecurityException("Cannot call with null password"); 3844 } else { 3845 Slog.e(LOG_TAG, "Cannot call with null password"); 3846 return false; 3847 } 3848 } 3849 // As of N, password cannot be changed by the admin if it is already set. 3850 if (isLockScreenSecureUnchecked(userHandle)) { 3851 if (!preN) { 3852 throw new SecurityException("Admin cannot change current password"); 3853 } else { 3854 Slog.e(LOG_TAG, "Admin cannot change current password"); 3855 return false; 3856 } 3857 } 3858 } 3859 // Do not allow to reset password when current user has a managed profile 3860 if (!isManagedProfile(userHandle)) { 3861 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3862 if (userInfo.isManagedProfile()) { 3863 if (!preN) { 3864 throw new IllegalStateException( 3865 "Cannot reset password on user has managed profile"); 3866 } else { 3867 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 3868 return false; 3869 } 3870 } 3871 } 3872 } 3873 // Do not allow to reset password when user is locked 3874 if (!mUserManager.isUserUnlocked(userHandle)) { 3875 if (!preN) { 3876 throw new IllegalStateException("Cannot reset password when user is locked"); 3877 } else { 3878 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 3879 return false; 3880 } 3881 } 3882 3883 quality = getPasswordQuality(null, userHandle, /* parent */ false); 3884 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 3885 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3886 } 3887 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 3888 int realQuality = LockPatternUtils.computePasswordQuality(password); 3889 if (realQuality < quality 3890 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3891 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 3892 + Integer.toHexString(realQuality) 3893 + " does not meet required quality 0x" 3894 + Integer.toHexString(quality)); 3895 return false; 3896 } 3897 quality = Math.max(realQuality, quality); 3898 } 3899 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 3900 if (password.length() < length) { 3901 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 3902 + " does not meet required length " + length); 3903 return false; 3904 } 3905 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3906 int letters = 0; 3907 int uppercase = 0; 3908 int lowercase = 0; 3909 int numbers = 0; 3910 int symbols = 0; 3911 int nonletter = 0; 3912 for (int i = 0; i < password.length(); i++) { 3913 char c = password.charAt(i); 3914 if (c >= 'A' && c <= 'Z') { 3915 letters++; 3916 uppercase++; 3917 } else if (c >= 'a' && c <= 'z') { 3918 letters++; 3919 lowercase++; 3920 } else if (c >= '0' && c <= '9') { 3921 numbers++; 3922 nonletter++; 3923 } else { 3924 symbols++; 3925 nonletter++; 3926 } 3927 } 3928 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 3929 if(letters < neededLetters) { 3930 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 3931 + " does not meet required number of letters " + neededLetters); 3932 return false; 3933 } 3934 int neededNumbers = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 3935 if (numbers < neededNumbers) { 3936 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 3937 + " does not meet required number of numerical digits " 3938 + neededNumbers); 3939 return false; 3940 } 3941 int neededLowerCase = getPasswordMinimumLowerCase( 3942 null, userHandle, /* parent */ false); 3943 if (lowercase < neededLowerCase) { 3944 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 3945 + " does not meet required number of lowercase letters " 3946 + neededLowerCase); 3947 return false; 3948 } 3949 int neededUpperCase = getPasswordMinimumUpperCase( 3950 null, userHandle, /* parent */ false); 3951 if (uppercase < neededUpperCase) { 3952 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 3953 + " does not meet required number of uppercase letters " 3954 + neededUpperCase); 3955 return false; 3956 } 3957 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 3958 if (symbols < neededSymbols) { 3959 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 3960 + " does not meet required number of special symbols " + neededSymbols); 3961 return false; 3962 } 3963 int neededNonLetter = getPasswordMinimumNonLetter( 3964 null, userHandle, /* parent */ false); 3965 if (nonletter < neededNonLetter) { 3966 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 3967 + " does not meet required number of non-letter characters " 3968 + neededNonLetter); 3969 return false; 3970 } 3971 } 3972 } 3973 3974 DevicePolicyData policy = getUserData(userHandle); 3975 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 3976 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 3977 return false; 3978 } 3979 3980 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 3981 boolean doNotAskCredentialsOnBoot = 3982 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 3983 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 3984 setDoNotAskCredentialsOnBoot(); 3985 } 3986 3987 // Don't do this with the lock held, because it is going to call 3988 // back in to the service. 3989 final long ident = mInjector.binderClearCallingIdentity(); 3990 try { 3991 if (!TextUtils.isEmpty(password)) { 3992 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 3993 } else { 3994 mLockPatternUtils.clearLock(userHandle); 3995 } 3996 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 3997 if (requireEntry) { 3998 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 3999 UserHandle.USER_ALL); 4000 } 4001 synchronized (this) { 4002 int newOwner = requireEntry ? callingUid : -1; 4003 if (policy.mPasswordOwner != newOwner) { 4004 policy.mPasswordOwner = newOwner; 4005 saveSettingsLocked(userHandle); 4006 } 4007 } 4008 } finally { 4009 mInjector.binderRestoreCallingIdentity(ident); 4010 } 4011 4012 return true; 4013 } 4014 4015 private boolean isLockScreenSecureUnchecked(int userId) { 4016 long ident = mInjector.binderClearCallingIdentity(); 4017 try { 4018 return mLockPatternUtils.isSecure(userId); 4019 } finally { 4020 mInjector.binderRestoreCallingIdentity(ident); 4021 } 4022 } 4023 4024 private void setDoNotAskCredentialsOnBoot() { 4025 synchronized (this) { 4026 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4027 if (!policyData.doNotAskCredentialsOnBoot) { 4028 policyData.doNotAskCredentialsOnBoot = true; 4029 saveSettingsLocked(UserHandle.USER_SYSTEM); 4030 } 4031 } 4032 } 4033 4034 @Override 4035 public boolean getDoNotAskCredentialsOnBoot() { 4036 mContext.enforceCallingOrSelfPermission( 4037 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4038 synchronized (this) { 4039 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4040 return policyData.doNotAskCredentialsOnBoot; 4041 } 4042 } 4043 4044 @Override 4045 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4046 if (!mHasFeature) { 4047 return; 4048 } 4049 Preconditions.checkNotNull(who, "ComponentName is null"); 4050 final int userHandle = mInjector.userHandleGetCallingUserId(); 4051 synchronized (this) { 4052 ActiveAdmin ap = getActiveAdminForCallerLocked( 4053 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4054 if (ap.maximumTimeToUnlock != timeMs) { 4055 ap.maximumTimeToUnlock = timeMs; 4056 saveSettingsLocked(userHandle); 4057 updateMaximumTimeToLockLocked(userHandle); 4058 } 4059 } 4060 } 4061 4062 void updateMaximumTimeToLockLocked(int userHandle) { 4063 // Calculate the min timeout for all profiles - including the ones with a separate 4064 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4065 // challenge only and keep the screen on. However there is no easy way of doing that at the 4066 // moment so we set the screen off timeout regardless of whether it affects the parent user 4067 // or the profile challenge only. 4068 long timeMs = Long.MAX_VALUE; 4069 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4070 for (int profileId : profileIds) { 4071 DevicePolicyData policy = getUserDataUnchecked(profileId); 4072 final int N = policy.mAdminList.size(); 4073 for (int i = 0; i < N; i++) { 4074 ActiveAdmin admin = policy.mAdminList.get(i); 4075 if (admin.maximumTimeToUnlock > 0 4076 && timeMs > admin.maximumTimeToUnlock) { 4077 timeMs = admin.maximumTimeToUnlock; 4078 } 4079 // If userInfo.id is a managed profile, we also need to look at 4080 // the policies set on the parent. 4081 if (admin.hasParentActiveAdmin()) { 4082 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4083 if (parentAdmin.maximumTimeToUnlock > 0 4084 && timeMs > parentAdmin.maximumTimeToUnlock) { 4085 timeMs = parentAdmin.maximumTimeToUnlock; 4086 } 4087 } 4088 } 4089 } 4090 4091 // We only store the last maximum time to lock on the parent profile. So if calling from a 4092 // managed profile, retrieve the policy for the parent. 4093 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4094 if (policy.mLastMaximumTimeToLock == timeMs) { 4095 return; 4096 } 4097 policy.mLastMaximumTimeToLock = timeMs; 4098 4099 final long ident = mInjector.binderClearCallingIdentity(); 4100 try { 4101 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4102 // Make sure KEEP_SCREEN_ON is disabled, since that 4103 // would allow bypassing of the maximum time to lock. 4104 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4105 } 4106 4107 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4108 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4109 } finally { 4110 mInjector.binderRestoreCallingIdentity(ident); 4111 } 4112 } 4113 4114 @Override 4115 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4116 if (!mHasFeature) { 4117 return 0; 4118 } 4119 enforceFullCrossUsersPermission(userHandle); 4120 synchronized (this) { 4121 if (who != null) { 4122 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4123 return admin != null ? admin.maximumTimeToUnlock : 0; 4124 } 4125 // Return the strictest policy across all participating admins. 4126 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4127 userHandle, parent); 4128 return getMaximumTimeToLockPolicyFromAdmins(admins); 4129 } 4130 } 4131 4132 @Override 4133 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4134 if (!mHasFeature) { 4135 return 0; 4136 } 4137 enforceFullCrossUsersPermission(userHandle); 4138 synchronized (this) { 4139 // All admins for this user. 4140 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4141 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4142 DevicePolicyData policy = getUserData(userInfo.id); 4143 admins.addAll(policy.mAdminList); 4144 // If it is a managed profile, it may have parent active admins 4145 if (userInfo.isManagedProfile()) { 4146 for (ActiveAdmin admin : policy.mAdminList) { 4147 if (admin.hasParentActiveAdmin()) { 4148 admins.add(admin.getParentActiveAdmin()); 4149 } 4150 } 4151 } 4152 } 4153 return getMaximumTimeToLockPolicyFromAdmins(admins); 4154 } 4155 } 4156 4157 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4158 long time = 0; 4159 final int N = admins.size(); 4160 for (int i = 0; i < N; i++) { 4161 ActiveAdmin admin = admins.get(i); 4162 if (time == 0) { 4163 time = admin.maximumTimeToUnlock; 4164 } else if (admin.maximumTimeToUnlock != 0 4165 && time > admin.maximumTimeToUnlock) { 4166 time = admin.maximumTimeToUnlock; 4167 } 4168 } 4169 return time; 4170 } 4171 4172 @Override 4173 public void lockNow(boolean parent) { 4174 if (!mHasFeature) { 4175 return; 4176 } 4177 synchronized (this) { 4178 // This API can only be called by an active device admin, 4179 // so try to retrieve it to check that the caller is one. 4180 getActiveAdminForCallerLocked( 4181 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4182 4183 int userToLock = mInjector.userHandleGetCallingUserId(); 4184 4185 // Unless this is a managed profile with work challenge enabled, lock all users. 4186 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 4187 userToLock = UserHandle.USER_ALL; 4188 } 4189 final long ident = mInjector.binderClearCallingIdentity(); 4190 try { 4191 mLockPatternUtils.requireStrongAuth( 4192 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4193 if (userToLock == UserHandle.USER_ALL) { 4194 // Power off the display 4195 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4196 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4197 mInjector.getIWindowManager().lockNow(null); 4198 } 4199 } catch (RemoteException e) { 4200 } finally { 4201 mInjector.binderRestoreCallingIdentity(ident); 4202 } 4203 } 4204 } 4205 4206 @Override 4207 public void enforceCanManageCaCerts(ComponentName who) { 4208 if (who == null) { 4209 if (!isCallerDelegatedCertInstaller()) { 4210 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4211 } 4212 } else { 4213 synchronized (this) { 4214 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4215 } 4216 } 4217 } 4218 4219 private void enforceCanManageInstalledKeys(ComponentName who) { 4220 if (who == null) { 4221 if (!isCallerDelegatedCertInstaller()) { 4222 throw new SecurityException("who == null, but caller is not cert installer"); 4223 } 4224 } else { 4225 synchronized (this) { 4226 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4227 } 4228 } 4229 } 4230 4231 private boolean isCallerDelegatedCertInstaller() { 4232 final int callingUid = mInjector.binderGetCallingUid(); 4233 final int userHandle = UserHandle.getUserId(callingUid); 4234 synchronized (this) { 4235 final DevicePolicyData policy = getUserData(userHandle); 4236 if (policy.mDelegatedCertInstallerPackage == null) { 4237 return false; 4238 } 4239 4240 try { 4241 int uid = mContext.getPackageManager().getPackageUidAsUser( 4242 policy.mDelegatedCertInstallerPackage, userHandle); 4243 return uid == callingUid; 4244 } catch (NameNotFoundException e) { 4245 return false; 4246 } 4247 } 4248 } 4249 4250 @Override 4251 public boolean approveCaCert(String alias, int userId, boolean approval) { 4252 enforceManageUsers(); 4253 synchronized (this) { 4254 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4255 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4256 if (!changed) { 4257 return false; 4258 } 4259 saveSettingsLocked(userId); 4260 } 4261 new MonitoringCertNotificationTask().execute(userId); 4262 return true; 4263 } 4264 4265 @Override 4266 public boolean isCaCertApproved(String alias, int userId) { 4267 enforceManageUsers(); 4268 synchronized (this) { 4269 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4270 } 4271 } 4272 4273 private void removeCaApprovalsIfNeeded(int userId) { 4274 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4275 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4276 if (userInfo.isManagedProfile()){ 4277 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4278 } 4279 if (!isSecure) { 4280 synchronized (this) { 4281 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4282 saveSettingsLocked(userInfo.id); 4283 } 4284 4285 new MonitoringCertNotificationTask().execute(userInfo.id); 4286 } 4287 } 4288 } 4289 4290 @Override 4291 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4292 enforceCanManageCaCerts(admin); 4293 4294 byte[] pemCert; 4295 try { 4296 X509Certificate cert = parseCert(certBuffer); 4297 pemCert = Credentials.convertToPem(cert); 4298 } catch (CertificateException ce) { 4299 Log.e(LOG_TAG, "Problem converting cert", ce); 4300 return false; 4301 } catch (IOException ioe) { 4302 Log.e(LOG_TAG, "Problem reading cert", ioe); 4303 return false; 4304 } 4305 4306 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4307 final long id = mInjector.binderClearCallingIdentity(); 4308 try { 4309 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4310 try { 4311 keyChainConnection.getService().installCaCertificate(pemCert); 4312 return true; 4313 } catch (RemoteException e) { 4314 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4315 } finally { 4316 keyChainConnection.close(); 4317 } 4318 } catch (InterruptedException e1) { 4319 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4320 Thread.currentThread().interrupt(); 4321 } finally { 4322 mInjector.binderRestoreCallingIdentity(id); 4323 } 4324 return false; 4325 } 4326 4327 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4328 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4329 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4330 certBuffer)); 4331 } 4332 4333 @Override 4334 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4335 enforceCanManageCaCerts(admin); 4336 4337 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4338 final long id = mInjector.binderClearCallingIdentity(); 4339 try { 4340 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4341 try { 4342 for (int i = 0 ; i < aliases.length; i++) { 4343 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4344 } 4345 } catch (RemoteException e) { 4346 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4347 } finally { 4348 keyChainConnection.close(); 4349 } 4350 } catch (InterruptedException ie) { 4351 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4352 Thread.currentThread().interrupt(); 4353 } finally { 4354 mInjector.binderRestoreCallingIdentity(id); 4355 } 4356 } 4357 4358 @Override 4359 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, 4360 String alias, boolean requestAccess) { 4361 enforceCanManageInstalledKeys(who); 4362 4363 final int callingUid = mInjector.binderGetCallingUid(); 4364 final long id = mInjector.binderClearCallingIdentity(); 4365 try { 4366 final KeyChainConnection keyChainConnection = 4367 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4368 try { 4369 IKeyChainService keyChain = keyChainConnection.getService(); 4370 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4371 return false; 4372 } 4373 if (requestAccess) { 4374 keyChain.setGrant(callingUid, alias, true); 4375 } 4376 return true; 4377 } catch (RemoteException e) { 4378 Log.e(LOG_TAG, "Installing certificate", e); 4379 } finally { 4380 keyChainConnection.close(); 4381 } 4382 } catch (InterruptedException e) { 4383 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4384 Thread.currentThread().interrupt(); 4385 } finally { 4386 mInjector.binderRestoreCallingIdentity(id); 4387 } 4388 return false; 4389 } 4390 4391 @Override 4392 public boolean removeKeyPair(ComponentName who, String alias) { 4393 enforceCanManageInstalledKeys(who); 4394 4395 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4396 final long id = Binder.clearCallingIdentity(); 4397 try { 4398 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4399 try { 4400 IKeyChainService keyChain = keyChainConnection.getService(); 4401 return keyChain.removeKeyPair(alias); 4402 } catch (RemoteException e) { 4403 Log.e(LOG_TAG, "Removing keypair", e); 4404 } finally { 4405 keyChainConnection.close(); 4406 } 4407 } catch (InterruptedException e) { 4408 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4409 Thread.currentThread().interrupt(); 4410 } finally { 4411 Binder.restoreCallingIdentity(id); 4412 } 4413 return false; 4414 } 4415 4416 @Override 4417 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4418 final IBinder response) { 4419 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4420 if (!isCallerWithSystemUid()) { 4421 return; 4422 } 4423 4424 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4425 // If there is a profile owner, redirect to that; otherwise query the device owner. 4426 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4427 if (aliasChooser == null && caller.isSystem()) { 4428 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4429 if (deviceOwnerAdmin != null) { 4430 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4431 } 4432 } 4433 if (aliasChooser == null) { 4434 sendPrivateKeyAliasResponse(null, response); 4435 return; 4436 } 4437 4438 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4439 intent.setComponent(aliasChooser); 4440 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4441 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4442 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4443 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4444 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4445 4446 final long id = mInjector.binderClearCallingIdentity(); 4447 try { 4448 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4449 @Override 4450 public void onReceive(Context context, Intent intent) { 4451 final String chosenAlias = getResultData(); 4452 sendPrivateKeyAliasResponse(chosenAlias, response); 4453 } 4454 }, null, Activity.RESULT_OK, null, null); 4455 } finally { 4456 mInjector.binderRestoreCallingIdentity(id); 4457 } 4458 } 4459 4460 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4461 final IKeyChainAliasCallback keyChainAliasResponse = 4462 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4463 new AsyncTask<Void, Void, Void>() { 4464 @Override 4465 protected Void doInBackground(Void... unused) { 4466 try { 4467 keyChainAliasResponse.alias(alias); 4468 } catch (Exception e) { 4469 // Catch everything (not just RemoteException): caller could throw a 4470 // RuntimeException back across processes. 4471 Log.e(LOG_TAG, "error while responding to callback", e); 4472 } 4473 return null; 4474 } 4475 }.execute(); 4476 } 4477 4478 @Override 4479 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4480 throws SecurityException { 4481 int userHandle = UserHandle.getCallingUserId(); 4482 synchronized (this) { 4483 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4484 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4485 if (installerPackage != null && 4486 !isPackageInstalledForUser(installerPackage, userHandle)) { 4487 throw new IllegalArgumentException("Package " + installerPackage 4488 + " is not installed on the current user"); 4489 } 4490 } 4491 DevicePolicyData policy = getUserData(userHandle); 4492 policy.mDelegatedCertInstallerPackage = installerPackage; 4493 saveSettingsLocked(userHandle); 4494 } 4495 } 4496 4497 @Override 4498 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4499 int userHandle = UserHandle.getCallingUserId(); 4500 synchronized (this) { 4501 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4502 DevicePolicyData policy = getUserData(userHandle); 4503 return policy.mDelegatedCertInstallerPackage; 4504 } 4505 } 4506 4507 /** 4508 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 4509 * not installed and therefore not available. 4510 * 4511 * @throws SecurityException if the caller is not a profile or device owner. 4512 * @throws UnsupportedException if the package does not support being set as always-on. 4513 */ 4514 @Override 4515 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 4516 throws SecurityException { 4517 synchronized (this) { 4518 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4519 } 4520 4521 final int userId = mInjector.userHandleGetCallingUserId(); 4522 final long token = mInjector.binderClearCallingIdentity(); 4523 try { 4524 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 4525 return false; 4526 } 4527 ConnectivityManager connectivityManager = (ConnectivityManager) 4528 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4529 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 4530 throw new UnsupportedOperationException(); 4531 } 4532 } finally { 4533 mInjector.binderRestoreCallingIdentity(token); 4534 } 4535 return true; 4536 } 4537 4538 @Override 4539 public String getAlwaysOnVpnPackage(ComponentName admin) 4540 throws SecurityException { 4541 synchronized (this) { 4542 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4543 } 4544 4545 final int userId = mInjector.userHandleGetCallingUserId(); 4546 final long token = mInjector.binderClearCallingIdentity(); 4547 try{ 4548 ConnectivityManager connectivityManager = (ConnectivityManager) 4549 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4550 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4551 } finally { 4552 mInjector.binderRestoreCallingIdentity(token); 4553 } 4554 } 4555 4556 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 4557 if (wipeExtRequested) { 4558 StorageManager sm = (StorageManager) mContext.getSystemService( 4559 Context.STORAGE_SERVICE); 4560 sm.wipeAdoptableDisks(); 4561 } 4562 try { 4563 RecoverySystem.rebootWipeUserData(mContext, reason); 4564 } catch (IOException | SecurityException e) { 4565 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4566 } 4567 } 4568 4569 @Override 4570 public void wipeData(int flags) { 4571 if (!mHasFeature) { 4572 return; 4573 } 4574 final int userHandle = mInjector.userHandleGetCallingUserId(); 4575 enforceFullCrossUsersPermission(userHandle); 4576 synchronized (this) { 4577 // This API can only be called by an active device admin, 4578 // so try to retrieve it to check that the caller is one. 4579 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4580 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4581 4582 final String source = admin.info.getComponent().flattenToShortString(); 4583 4584 long ident = mInjector.binderClearCallingIdentity(); 4585 try { 4586 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4587 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4588 throw new SecurityException( 4589 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4590 } 4591 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4592 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4593 if (manager != null) { 4594 manager.wipe(); 4595 } 4596 } 4597 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4598 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4599 "DevicePolicyManager.wipeData() from " + source); 4600 } finally { 4601 mInjector.binderRestoreCallingIdentity(ident); 4602 } 4603 } 4604 } 4605 4606 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 4607 if (userHandle == UserHandle.USER_SYSTEM) { 4608 wipeDataLocked(wipeExtRequested, reason); 4609 } else { 4610 mHandler.post(new Runnable() { 4611 @Override 4612 public void run() { 4613 try { 4614 IActivityManager am = mInjector.getIActivityManager(); 4615 if (am.getCurrentUser().id == userHandle) { 4616 am.switchUser(UserHandle.USER_SYSTEM); 4617 } 4618 4619 boolean isManagedProfile = isManagedProfile(userHandle); 4620 if (!mUserManager.removeUser(userHandle)) { 4621 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4622 } else if (isManagedProfile) { 4623 sendWipeProfileNotification(); 4624 } 4625 } catch (RemoteException re) { 4626 // Shouldn't happen 4627 } 4628 } 4629 }); 4630 } 4631 } 4632 4633 private void sendWipeProfileNotification() { 4634 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4635 Notification notification = new Notification.Builder(mContext) 4636 .setSmallIcon(android.R.drawable.stat_sys_warning) 4637 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4638 .setContentText(contentText) 4639 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4640 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4641 .build(); 4642 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4643 } 4644 4645 private void clearWipeProfileNotification() { 4646 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4647 } 4648 4649 @Override 4650 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4651 if (!mHasFeature) { 4652 return; 4653 } 4654 enforceFullCrossUsersPermission(userHandle); 4655 mContext.enforceCallingOrSelfPermission( 4656 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4657 4658 synchronized (this) { 4659 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4660 if (admin == null) { 4661 result.sendResult(null); 4662 return; 4663 } 4664 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4665 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4666 intent.setComponent(admin.info.getComponent()); 4667 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4668 null, new BroadcastReceiver() { 4669 @Override 4670 public void onReceive(Context context, Intent intent) { 4671 result.sendResult(getResultExtras(false)); 4672 } 4673 }, null, Activity.RESULT_OK, null, null); 4674 } 4675 } 4676 4677 @Override 4678 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4679 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4680 if (!mHasFeature) { 4681 return; 4682 } 4683 enforceFullCrossUsersPermission(userHandle); 4684 4685 // Managed Profile password can only be changed when it has a separate challenge. 4686 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4687 enforceNotManagedProfile(userHandle, "set the active password"); 4688 } 4689 4690 mContext.enforceCallingOrSelfPermission( 4691 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4692 validateQualityConstant(quality); 4693 4694 DevicePolicyData policy = getUserData(userHandle); 4695 4696 long ident = mInjector.binderClearCallingIdentity(); 4697 try { 4698 synchronized (this) { 4699 policy.mActivePasswordQuality = quality; 4700 policy.mActivePasswordLength = length; 4701 policy.mActivePasswordLetters = letters; 4702 policy.mActivePasswordLowerCase = lowercase; 4703 policy.mActivePasswordUpperCase = uppercase; 4704 policy.mActivePasswordNumeric = numbers; 4705 policy.mActivePasswordSymbols = symbols; 4706 policy.mActivePasswordNonLetter = nonletter; 4707 policy.mFailedPasswordAttempts = 0; 4708 saveSettingsLocked(userHandle); 4709 updatePasswordExpirationsLocked(userHandle); 4710 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 4711 4712 // Send a broadcast to each profile using this password as its primary unlock. 4713 sendAdminCommandForLockscreenPoliciesLocked( 4714 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4715 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4716 } 4717 removeCaApprovalsIfNeeded(userHandle); 4718 } finally { 4719 mInjector.binderRestoreCallingIdentity(ident); 4720 } 4721 } 4722 4723 /** 4724 * Called any time the device password is updated. Resets all password expiration clocks. 4725 */ 4726 private void updatePasswordExpirationsLocked(int userHandle) { 4727 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4728 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4729 userHandle, /* parent */ false); 4730 final int N = admins.size(); 4731 for (int i = 0; i < N; i++) { 4732 ActiveAdmin admin = admins.get(i); 4733 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4734 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4735 long timeout = admin.passwordExpirationTimeout; 4736 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4737 admin.passwordExpirationDate = expiration; 4738 } 4739 } 4740 for (int affectedUserId : affectedUserIds) { 4741 saveSettingsLocked(affectedUserId); 4742 } 4743 } 4744 4745 @Override 4746 public void reportFailedPasswordAttempt(int userHandle) { 4747 enforceFullCrossUsersPermission(userHandle); 4748 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4749 enforceNotManagedProfile(userHandle, 4750 "report failed password attempt if separate profile challenge is not in place"); 4751 } 4752 mContext.enforceCallingOrSelfPermission( 4753 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4754 4755 final long ident = mInjector.binderClearCallingIdentity(); 4756 try { 4757 boolean wipeData = false; 4758 int identifier = 0; 4759 synchronized (this) { 4760 DevicePolicyData policy = getUserData(userHandle); 4761 policy.mFailedPasswordAttempts++; 4762 saveSettingsLocked(userHandle); 4763 if (mHasFeature) { 4764 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4765 userHandle, /* parent */ false); 4766 int max = strictestAdmin != null 4767 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4768 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4769 // Wipe the user/profile associated with the policy that was violated. This 4770 // is not necessarily calling user: if the policy that fired was from a 4771 // managed profile rather than the main user profile, we wipe former only. 4772 wipeData = true; 4773 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4774 } 4775 4776 sendAdminCommandForLockscreenPoliciesLocked( 4777 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4778 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4779 } 4780 } 4781 if (wipeData) { 4782 // Call without holding lock. 4783 wipeDeviceOrUserLocked(false, identifier, 4784 "reportFailedPasswordAttempt()"); 4785 } 4786 } finally { 4787 mInjector.binderRestoreCallingIdentity(ident); 4788 } 4789 4790 if (mInjector.securityLogIsLoggingEnabled()) { 4791 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4792 /*method strength*/ 1); 4793 } 4794 } 4795 4796 @Override 4797 public void reportSuccessfulPasswordAttempt(int userHandle) { 4798 enforceFullCrossUsersPermission(userHandle); 4799 mContext.enforceCallingOrSelfPermission( 4800 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4801 4802 synchronized (this) { 4803 DevicePolicyData policy = getUserData(userHandle); 4804 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4805 long ident = mInjector.binderClearCallingIdentity(); 4806 try { 4807 policy.mFailedPasswordAttempts = 0; 4808 policy.mPasswordOwner = -1; 4809 saveSettingsLocked(userHandle); 4810 if (mHasFeature) { 4811 sendAdminCommandForLockscreenPoliciesLocked( 4812 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4813 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4814 } 4815 } finally { 4816 mInjector.binderRestoreCallingIdentity(ident); 4817 } 4818 } 4819 } 4820 4821 if (mInjector.securityLogIsLoggingEnabled()) { 4822 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4823 /*method strength*/ 1); 4824 } 4825 } 4826 4827 @Override 4828 public void reportFailedFingerprintAttempt(int userHandle) { 4829 enforceFullCrossUsersPermission(userHandle); 4830 mContext.enforceCallingOrSelfPermission( 4831 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4832 if (mInjector.securityLogIsLoggingEnabled()) { 4833 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4834 /*method strength*/ 0); 4835 } 4836 } 4837 4838 @Override 4839 public void reportSuccessfulFingerprintAttempt(int userHandle) { 4840 enforceFullCrossUsersPermission(userHandle); 4841 mContext.enforceCallingOrSelfPermission( 4842 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4843 if (mInjector.securityLogIsLoggingEnabled()) { 4844 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4845 /*method strength*/ 0); 4846 } 4847 } 4848 4849 @Override 4850 public void reportKeyguardDismissed(int userHandle) { 4851 enforceFullCrossUsersPermission(userHandle); 4852 mContext.enforceCallingOrSelfPermission( 4853 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4854 4855 if (mInjector.securityLogIsLoggingEnabled()) { 4856 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 4857 } 4858 } 4859 4860 @Override 4861 public void reportKeyguardSecured(int userHandle) { 4862 enforceFullCrossUsersPermission(userHandle); 4863 mContext.enforceCallingOrSelfPermission( 4864 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4865 4866 if (mInjector.securityLogIsLoggingEnabled()) { 4867 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 4868 } 4869 } 4870 4871 @Override 4872 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 4873 String exclusionList) { 4874 if (!mHasFeature) { 4875 return null; 4876 } 4877 synchronized(this) { 4878 Preconditions.checkNotNull(who, "ComponentName is null"); 4879 4880 // Only check if system user has set global proxy. We don't allow other users to set it. 4881 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4882 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4883 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 4884 4885 // Scan through active admins and find if anyone has already 4886 // set the global proxy. 4887 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 4888 for (ComponentName component : compSet) { 4889 ActiveAdmin ap = policy.mAdminMap.get(component); 4890 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 4891 // Another admin already sets the global proxy 4892 // Return it to the caller. 4893 return component; 4894 } 4895 } 4896 4897 // If the user is not system, don't set the global proxy. Fail silently. 4898 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 4899 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 4900 + UserHandle.getCallingUserId() + " is not permitted."); 4901 return null; 4902 } 4903 if (proxySpec == null) { 4904 admin.specifiesGlobalProxy = false; 4905 admin.globalProxySpec = null; 4906 admin.globalProxyExclusionList = null; 4907 } else { 4908 4909 admin.specifiesGlobalProxy = true; 4910 admin.globalProxySpec = proxySpec; 4911 admin.globalProxyExclusionList = exclusionList; 4912 } 4913 4914 // Reset the global proxy accordingly 4915 // Do this using system permissions, as apps cannot write to secure settings 4916 long origId = mInjector.binderClearCallingIdentity(); 4917 try { 4918 resetGlobalProxyLocked(policy); 4919 } finally { 4920 mInjector.binderRestoreCallingIdentity(origId); 4921 } 4922 return null; 4923 } 4924 } 4925 4926 @Override 4927 public ComponentName getGlobalProxyAdmin(int userHandle) { 4928 if (!mHasFeature) { 4929 return null; 4930 } 4931 enforceFullCrossUsersPermission(userHandle); 4932 synchronized(this) { 4933 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4934 // Scan through active admins and find if anyone has already 4935 // set the global proxy. 4936 final int N = policy.mAdminList.size(); 4937 for (int i = 0; i < N; i++) { 4938 ActiveAdmin ap = policy.mAdminList.get(i); 4939 if (ap.specifiesGlobalProxy) { 4940 // Device admin sets the global proxy 4941 // Return it to the caller. 4942 return ap.info.getComponent(); 4943 } 4944 } 4945 } 4946 // No device admin sets the global proxy. 4947 return null; 4948 } 4949 4950 @Override 4951 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 4952 synchronized (this) { 4953 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4954 } 4955 long token = mInjector.binderClearCallingIdentity(); 4956 try { 4957 ConnectivityManager connectivityManager = (ConnectivityManager) 4958 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4959 connectivityManager.setGlobalProxy(proxyInfo); 4960 } finally { 4961 mInjector.binderRestoreCallingIdentity(token); 4962 } 4963 } 4964 4965 private void resetGlobalProxyLocked(DevicePolicyData policy) { 4966 final int N = policy.mAdminList.size(); 4967 for (int i = 0; i < N; i++) { 4968 ActiveAdmin ap = policy.mAdminList.get(i); 4969 if (ap.specifiesGlobalProxy) { 4970 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 4971 return; 4972 } 4973 } 4974 // No device admins defining global proxies - reset global proxy settings to none 4975 saveGlobalProxyLocked(null, null); 4976 } 4977 4978 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 4979 if (exclusionList == null) { 4980 exclusionList = ""; 4981 } 4982 if (proxySpec == null) { 4983 proxySpec = ""; 4984 } 4985 // Remove white spaces 4986 proxySpec = proxySpec.trim(); 4987 String data[] = proxySpec.split(":"); 4988 int proxyPort = 8080; 4989 if (data.length > 1) { 4990 try { 4991 proxyPort = Integer.parseInt(data[1]); 4992 } catch (NumberFormatException e) {} 4993 } 4994 exclusionList = exclusionList.trim(); 4995 4996 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 4997 if (!proxyProperties.isValid()) { 4998 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 4999 return; 5000 } 5001 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5002 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5003 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5004 exclusionList); 5005 } 5006 5007 /** 5008 * Set the storage encryption request for a single admin. Returns the new total request 5009 * status (for all admins). 5010 */ 5011 @Override 5012 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5013 if (!mHasFeature) { 5014 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5015 } 5016 Preconditions.checkNotNull(who, "ComponentName is null"); 5017 final int userHandle = UserHandle.getCallingUserId(); 5018 synchronized (this) { 5019 // Check for permissions 5020 // Only system user can set storage encryption 5021 if (userHandle != UserHandle.USER_SYSTEM) { 5022 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5023 + UserHandle.getCallingUserId() + " is not permitted."); 5024 return 0; 5025 } 5026 5027 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5028 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5029 5030 // Quick exit: If the filesystem does not support encryption, we can exit early. 5031 if (!isEncryptionSupported()) { 5032 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5033 } 5034 5035 // (1) Record the value for the admin so it's sticky 5036 if (ap.encryptionRequested != encrypt) { 5037 ap.encryptionRequested = encrypt; 5038 saveSettingsLocked(userHandle); 5039 } 5040 5041 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5042 // (2) Compute "max" for all admins 5043 boolean newRequested = false; 5044 final int N = policy.mAdminList.size(); 5045 for (int i = 0; i < N; i++) { 5046 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5047 } 5048 5049 // Notify OS of new request 5050 setEncryptionRequested(newRequested); 5051 5052 // Return the new global request status 5053 return newRequested 5054 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5055 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5056 } 5057 } 5058 5059 /** 5060 * Get the current storage encryption request status for a given admin, or aggregate of all 5061 * active admins. 5062 */ 5063 @Override 5064 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5065 if (!mHasFeature) { 5066 return false; 5067 } 5068 enforceFullCrossUsersPermission(userHandle); 5069 synchronized (this) { 5070 // Check for permissions if a particular caller is specified 5071 if (who != null) { 5072 // When checking for a single caller, status is based on caller's request 5073 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5074 return ap != null ? ap.encryptionRequested : false; 5075 } 5076 5077 // If no particular caller is specified, return the aggregate set of requests. 5078 // This is short circuited by returning true on the first hit. 5079 DevicePolicyData policy = getUserData(userHandle); 5080 final int N = policy.mAdminList.size(); 5081 for (int i = 0; i < N; i++) { 5082 if (policy.mAdminList.get(i).encryptionRequested) { 5083 return true; 5084 } 5085 } 5086 return false; 5087 } 5088 } 5089 5090 /** 5091 * Get the current encryption status of the device. 5092 */ 5093 @Override 5094 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5095 if (!mHasFeature) { 5096 // Ok to return current status. 5097 } 5098 enforceFullCrossUsersPermission(userHandle); 5099 5100 // It's not critical here, but let's make sure the package name is correct, in case 5101 // we start using it for different purposes. 5102 ensureCallerPackage(callerPackage); 5103 5104 final ApplicationInfo ai; 5105 try { 5106 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5107 } catch (RemoteException e) { 5108 throw new SecurityException(e); 5109 } 5110 5111 boolean legacyApp = false; 5112 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5113 legacyApp = true; 5114 } else if ("com.google.android.apps.enterprise.dmagent".equals(ai.packageName) 5115 && ai.versionCode == 697) { 5116 // TODO: STOPSHIP remove this (revert ag/895987) once a new prebuilt is dropped 5117 legacyApp = true; 5118 } 5119 5120 final int rawStatus = getEncryptionStatus(); 5121 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5122 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5123 } 5124 return rawStatus; 5125 } 5126 5127 /** 5128 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5129 */ 5130 private boolean isEncryptionSupported() { 5131 // Note, this can be implemented as 5132 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5133 // But is provided as a separate internal method if there's a faster way to do a 5134 // simple check for supported-or-not. 5135 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5136 } 5137 5138 /** 5139 * Hook to low-levels: Reporting the current status of encryption. 5140 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5141 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5142 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5143 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5144 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5145 */ 5146 private int getEncryptionStatus() { 5147 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5148 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5149 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5150 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5151 } else if (mInjector.storageManagerIsEncrypted()) { 5152 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5153 } else if (mInjector.storageManagerIsEncryptable()) { 5154 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5155 } else { 5156 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5157 } 5158 } 5159 5160 /** 5161 * Hook to low-levels: If needed, record the new admin setting for encryption. 5162 */ 5163 private void setEncryptionRequested(boolean encrypt) { 5164 } 5165 5166 /** 5167 * Set whether the screen capture is disabled for the user managed by the specified admin. 5168 */ 5169 @Override 5170 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5171 if (!mHasFeature) { 5172 return; 5173 } 5174 Preconditions.checkNotNull(who, "ComponentName is null"); 5175 final int userHandle = UserHandle.getCallingUserId(); 5176 synchronized (this) { 5177 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5178 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5179 if (ap.disableScreenCapture != disabled) { 5180 ap.disableScreenCapture = disabled; 5181 saveSettingsLocked(userHandle); 5182 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5183 } 5184 } 5185 } 5186 5187 /** 5188 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5189 * active admin (if given admin is null). 5190 */ 5191 @Override 5192 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5193 if (!mHasFeature) { 5194 return false; 5195 } 5196 synchronized (this) { 5197 if (who != null) { 5198 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5199 return (admin != null) ? admin.disableScreenCapture : false; 5200 } 5201 5202 DevicePolicyData policy = getUserData(userHandle); 5203 final int N = policy.mAdminList.size(); 5204 for (int i = 0; i < N; i++) { 5205 ActiveAdmin admin = policy.mAdminList.get(i); 5206 if (admin.disableScreenCapture) { 5207 return true; 5208 } 5209 } 5210 return false; 5211 } 5212 } 5213 5214 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5215 final boolean disabled) { 5216 mHandler.post(new Runnable() { 5217 @Override 5218 public void run() { 5219 try { 5220 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5221 } catch (RemoteException e) { 5222 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5223 } 5224 } 5225 }); 5226 } 5227 5228 /** 5229 * Set whether auto time is required by the specified admin (must be device owner). 5230 */ 5231 @Override 5232 public void setAutoTimeRequired(ComponentName who, boolean required) { 5233 if (!mHasFeature) { 5234 return; 5235 } 5236 Preconditions.checkNotNull(who, "ComponentName is null"); 5237 final int userHandle = UserHandle.getCallingUserId(); 5238 synchronized (this) { 5239 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5240 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5241 if (admin.requireAutoTime != required) { 5242 admin.requireAutoTime = required; 5243 saveSettingsLocked(userHandle); 5244 } 5245 } 5246 5247 // Turn AUTO_TIME on in settings if it is required 5248 if (required) { 5249 long ident = mInjector.binderClearCallingIdentity(); 5250 try { 5251 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5252 } finally { 5253 mInjector.binderRestoreCallingIdentity(ident); 5254 } 5255 } 5256 } 5257 5258 /** 5259 * Returns whether or not auto time is required by the device owner. 5260 */ 5261 @Override 5262 public boolean getAutoTimeRequired() { 5263 if (!mHasFeature) { 5264 return false; 5265 } 5266 synchronized (this) { 5267 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5268 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5269 } 5270 } 5271 5272 @Override 5273 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5274 if (!mHasFeature) { 5275 return; 5276 } 5277 Preconditions.checkNotNull(who, "ComponentName is null"); 5278 // Allow setting this policy to true only if there is a split system user. 5279 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5280 throw new UnsupportedOperationException( 5281 "Cannot force ephemeral users on systems without split system user."); 5282 } 5283 boolean removeAllUsers = false; 5284 synchronized (this) { 5285 final ActiveAdmin deviceOwner = 5286 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5287 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5288 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5289 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5290 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5291 removeAllUsers = forceEphemeralUsers; 5292 } 5293 } 5294 if (removeAllUsers) { 5295 long identitity = mInjector.binderClearCallingIdentity(); 5296 try { 5297 mUserManagerInternal.removeAllUsers(); 5298 } finally { 5299 mInjector.binderRestoreCallingIdentity(identitity); 5300 } 5301 } 5302 } 5303 5304 @Override 5305 public boolean getForceEphemeralUsers(ComponentName who) { 5306 if (!mHasFeature) { 5307 return false; 5308 } 5309 Preconditions.checkNotNull(who, "ComponentName is null"); 5310 synchronized (this) { 5311 final ActiveAdmin deviceOwner = 5312 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5313 return deviceOwner.forceEphemeralUsers; 5314 } 5315 } 5316 5317 private boolean isDeviceOwnerManagedSingleUserDevice() { 5318 synchronized (this) { 5319 if (!mOwners.hasDeviceOwner()) { 5320 return false; 5321 } 5322 } 5323 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5324 try { 5325 if (mInjector.userManagerIsSplitSystemUser()) { 5326 // In split system user mode, only allow the case where the device owner is managing 5327 // the only non-system user of the device 5328 return (mUserManager.getUserCount() == 2 5329 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5330 } else { 5331 return mUserManager.getUserCount() == 1; 5332 } 5333 } finally { 5334 mInjector.binderRestoreCallingIdentity(callingIdentity); 5335 } 5336 } 5337 5338 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5339 synchronized (this) { 5340 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5341 } 5342 if (!isDeviceOwnerManagedSingleUserDevice()) { 5343 throw new SecurityException( 5344 "There should only be one user, managed by Device Owner"); 5345 } 5346 } 5347 5348 @Override 5349 public boolean requestBugreport(ComponentName who) { 5350 if (!mHasFeature) { 5351 return false; 5352 } 5353 Preconditions.checkNotNull(who, "ComponentName is null"); 5354 ensureDeviceOwnerManagingSingleUser(who); 5355 5356 if (mRemoteBugreportServiceIsActive.get() 5357 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5358 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5359 return false; 5360 } 5361 5362 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5363 try { 5364 ActivityManagerNative.getDefault().requestBugReport( 5365 ActivityManager.BUGREPORT_OPTION_REMOTE); 5366 5367 mRemoteBugreportServiceIsActive.set(true); 5368 mRemoteBugreportSharingAccepted.set(false); 5369 registerRemoteBugreportReceivers(); 5370 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5371 RemoteBugreportUtils.buildNotification(mContext, 5372 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5373 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5374 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5375 return true; 5376 } catch (RemoteException re) { 5377 // should never happen 5378 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5379 return false; 5380 } finally { 5381 mInjector.binderRestoreCallingIdentity(callingIdentity); 5382 } 5383 } 5384 5385 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5386 Intent intent = new Intent(action); 5387 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5388 if (extras != null) { 5389 intent.putExtras(extras); 5390 } 5391 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5392 } 5393 5394 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5395 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5396 } 5397 5398 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5399 String bugreportHash) { 5400 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5401 } 5402 5403 private void registerRemoteBugreportReceivers() { 5404 try { 5405 IntentFilter filterFinished = new IntentFilter( 5406 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5407 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5408 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5409 } catch (IntentFilter.MalformedMimeTypeException e) { 5410 // should never happen, as setting a constant 5411 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5412 } 5413 IntentFilter filterConsent = new IntentFilter(); 5414 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5415 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5416 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5417 } 5418 5419 private void onBugreportFinished(Intent intent) { 5420 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5421 mRemoteBugreportServiceIsActive.set(false); 5422 Uri bugreportUri = intent.getData(); 5423 String bugreportUriString = null; 5424 if (bugreportUri != null) { 5425 bugreportUriString = bugreportUri.toString(); 5426 } 5427 String bugreportHash = intent.getStringExtra( 5428 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5429 if (mRemoteBugreportSharingAccepted.get()) { 5430 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5431 mInjector.getNotificationManager().cancel(LOG_TAG, 5432 RemoteBugreportUtils.NOTIFICATION_ID); 5433 } else { 5434 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5435 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5436 RemoteBugreportUtils.buildNotification(mContext, 5437 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5438 UserHandle.ALL); 5439 } 5440 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5441 } 5442 5443 private void onBugreportFailed() { 5444 mRemoteBugreportServiceIsActive.set(false); 5445 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5446 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5447 mRemoteBugreportSharingAccepted.set(false); 5448 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5449 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5450 Bundle extras = new Bundle(); 5451 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5452 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5453 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5454 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5455 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5456 } 5457 5458 private void onBugreportSharingAccepted() { 5459 mRemoteBugreportSharingAccepted.set(true); 5460 String bugreportUriString = null; 5461 String bugreportHash = null; 5462 synchronized (this) { 5463 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5464 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5465 } 5466 if (bugreportUriString != null) { 5467 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5468 } else if (mRemoteBugreportServiceIsActive.get()) { 5469 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5470 RemoteBugreportUtils.buildNotification(mContext, 5471 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5472 UserHandle.ALL); 5473 } 5474 } 5475 5476 private void onBugreportSharingDeclined() { 5477 if (mRemoteBugreportServiceIsActive.get()) { 5478 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5479 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5480 mRemoteBugreportServiceIsActive.set(false); 5481 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5482 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5483 } 5484 mRemoteBugreportSharingAccepted.set(false); 5485 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5486 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5487 } 5488 5489 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5490 String bugreportHash) { 5491 ParcelFileDescriptor pfd = null; 5492 try { 5493 if (bugreportUriString == null) { 5494 throw new FileNotFoundException(); 5495 } 5496 Uri bugreportUri = Uri.parse(bugreportUriString); 5497 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5498 5499 synchronized (this) { 5500 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5501 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5502 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5503 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5504 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5505 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5506 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5507 } 5508 } catch (FileNotFoundException e) { 5509 Bundle extras = new Bundle(); 5510 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5511 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5512 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5513 } finally { 5514 try { 5515 if (pfd != null) { 5516 pfd.close(); 5517 } 5518 } catch (IOException ex) { 5519 // Ignore 5520 } 5521 mRemoteBugreportSharingAccepted.set(false); 5522 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5523 } 5524 } 5525 5526 /** 5527 * Disables all device cameras according to the specified admin. 5528 */ 5529 @Override 5530 public void setCameraDisabled(ComponentName who, boolean disabled) { 5531 if (!mHasFeature) { 5532 return; 5533 } 5534 Preconditions.checkNotNull(who, "ComponentName is null"); 5535 final int userHandle = mInjector.userHandleGetCallingUserId(); 5536 synchronized (this) { 5537 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5538 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5539 if (ap.disableCamera != disabled) { 5540 ap.disableCamera = disabled; 5541 saveSettingsLocked(userHandle); 5542 } 5543 } 5544 // Tell the user manager that the restrictions have changed. 5545 pushUserRestrictions(userHandle); 5546 } 5547 5548 /** 5549 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5550 * active admins. 5551 */ 5552 @Override 5553 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5554 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5555 } 5556 5557 private boolean getCameraDisabled(ComponentName who, int userHandle, 5558 boolean mergeDeviceOwnerRestriction) { 5559 if (!mHasFeature) { 5560 return false; 5561 } 5562 synchronized (this) { 5563 if (who != null) { 5564 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5565 return (admin != null) ? admin.disableCamera : false; 5566 } 5567 // First, see if DO has set it. If so, it's device-wide. 5568 if (mergeDeviceOwnerRestriction) { 5569 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5570 if (deviceOwner != null && deviceOwner.disableCamera) { 5571 return true; 5572 } 5573 } 5574 5575 // Then check each device admin on the user. 5576 DevicePolicyData policy = getUserData(userHandle); 5577 // Determine whether or not the device camera is disabled for any active admins. 5578 final int N = policy.mAdminList.size(); 5579 for (int i = 0; i < N; i++) { 5580 ActiveAdmin admin = policy.mAdminList.get(i); 5581 if (admin.disableCamera) { 5582 return true; 5583 } 5584 } 5585 return false; 5586 } 5587 } 5588 5589 @Override 5590 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5591 if (!mHasFeature) { 5592 return; 5593 } 5594 Preconditions.checkNotNull(who, "ComponentName is null"); 5595 final int userHandle = mInjector.userHandleGetCallingUserId(); 5596 if (isManagedProfile(userHandle)) { 5597 if (parent) { 5598 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5599 } else { 5600 which = which & PROFILE_KEYGUARD_FEATURES; 5601 } 5602 } 5603 synchronized (this) { 5604 ActiveAdmin ap = getActiveAdminForCallerLocked( 5605 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5606 if (ap.disabledKeyguardFeatures != which) { 5607 ap.disabledKeyguardFeatures = which; 5608 saveSettingsLocked(userHandle); 5609 } 5610 } 5611 } 5612 5613 /** 5614 * Gets the disabled state for features in keyguard for the given admin, 5615 * or the aggregate of all active admins if who is null. 5616 */ 5617 @Override 5618 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5619 if (!mHasFeature) { 5620 return 0; 5621 } 5622 enforceFullCrossUsersPermission(userHandle); 5623 final long ident = mInjector.binderClearCallingIdentity(); 5624 try { 5625 synchronized (this) { 5626 if (who != null) { 5627 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5628 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5629 } 5630 5631 final List<ActiveAdmin> admins; 5632 if (!parent && isManagedProfile(userHandle)) { 5633 // If we are being asked about a managed profile, just return keyguard features 5634 // disabled by admins in the profile. 5635 admins = getUserDataUnchecked(userHandle).mAdminList; 5636 } else { 5637 // Otherwise return those set by admins in the user and its profiles. 5638 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5639 } 5640 5641 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5642 final int N = admins.size(); 5643 for (int i = 0; i < N; i++) { 5644 ActiveAdmin admin = admins.get(i); 5645 int userId = admin.getUserHandle().getIdentifier(); 5646 boolean isRequestedUser = !parent && (userId == userHandle); 5647 if (isRequestedUser || !isManagedProfile(userId)) { 5648 // If we are being asked explicitly about this user 5649 // return all disabled features even if its a managed profile. 5650 which |= admin.disabledKeyguardFeatures; 5651 } else { 5652 // Otherwise a managed profile is only allowed to disable 5653 // some features on the parent user. 5654 which |= (admin.disabledKeyguardFeatures 5655 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5656 } 5657 } 5658 return which; 5659 } 5660 } finally { 5661 mInjector.binderRestoreCallingIdentity(ident); 5662 } 5663 } 5664 5665 @Override 5666 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5667 if (!mHasFeature) { 5668 return; 5669 } 5670 Preconditions.checkNotNull(who, "ComponentName is null"); 5671 Preconditions.checkNotNull(packageList, "packageList is null"); 5672 final int userHandle = UserHandle.getCallingUserId(); 5673 synchronized (this) { 5674 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5675 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5676 admin.keepUninstalledPackages = packageList; 5677 saveSettingsLocked(userHandle); 5678 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5679 } 5680 } 5681 5682 @Override 5683 public List<String> getKeepUninstalledPackages(ComponentName who) { 5684 Preconditions.checkNotNull(who, "ComponentName is null"); 5685 if (!mHasFeature) { 5686 return null; 5687 } 5688 // TODO In split system user mode, allow apps on user 0 to query the list 5689 synchronized (this) { 5690 // Check if this is the device owner who is calling 5691 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5692 return getKeepUninstalledPackagesLocked(); 5693 } 5694 } 5695 5696 private List<String> getKeepUninstalledPackagesLocked() { 5697 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5698 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5699 } 5700 5701 @Override 5702 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5703 if (!mHasFeature) { 5704 return false; 5705 } 5706 if (admin == null 5707 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5708 throw new IllegalArgumentException("Invalid component " + admin 5709 + " for device owner"); 5710 } 5711 synchronized (this) { 5712 enforceCanSetDeviceOwnerLocked(userId); 5713 if (getActiveAdminUncheckedLocked(admin, userId) == null) { 5714 throw new IllegalArgumentException("Not active admin: " + admin); 5715 } 5716 5717 // Shutting down backup manager service permanently. 5718 long ident = mInjector.binderClearCallingIdentity(); 5719 try { 5720 if (mInjector.getIBackupManager() != null) { 5721 mInjector.getIBackupManager() 5722 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5723 } 5724 } catch (RemoteException e) { 5725 throw new IllegalStateException("Failed deactivating backup service.", e); 5726 } finally { 5727 mInjector.binderRestoreCallingIdentity(ident); 5728 } 5729 5730 mOwners.setDeviceOwner(admin, ownerName, userId); 5731 mOwners.writeDeviceOwner(); 5732 updateDeviceOwnerLocked(); 5733 setDeviceOwnerSystemPropertyLocked(); 5734 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5735 5736 ident = mInjector.binderClearCallingIdentity(); 5737 try { 5738 // TODO Send to system too? 5739 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5740 } finally { 5741 mInjector.binderRestoreCallingIdentity(ident); 5742 } 5743 return true; 5744 } 5745 } 5746 5747 public boolean isDeviceOwner(ComponentName who, int userId) { 5748 synchronized (this) { 5749 return mOwners.hasDeviceOwner() 5750 && mOwners.getDeviceOwnerUserId() == userId 5751 && mOwners.getDeviceOwnerComponent().equals(who); 5752 } 5753 } 5754 5755 public boolean isProfileOwner(ComponentName who, int userId) { 5756 final ComponentName profileOwner = getProfileOwner(userId); 5757 return who != null && who.equals(profileOwner); 5758 } 5759 5760 @Override 5761 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5762 if (!mHasFeature) { 5763 return null; 5764 } 5765 if (!callingUserOnly) { 5766 enforceManageUsers(); 5767 } 5768 synchronized (this) { 5769 if (!mOwners.hasDeviceOwner()) { 5770 return null; 5771 } 5772 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5773 mOwners.getDeviceOwnerUserId()) { 5774 return null; 5775 } 5776 return mOwners.getDeviceOwnerComponent(); 5777 } 5778 } 5779 5780 @Override 5781 public int getDeviceOwnerUserId() { 5782 if (!mHasFeature) { 5783 return UserHandle.USER_NULL; 5784 } 5785 enforceManageUsers(); 5786 synchronized (this) { 5787 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5788 } 5789 } 5790 5791 /** 5792 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5793 * MANAGE_USERS. 5794 */ 5795 @Override 5796 public String getDeviceOwnerName() { 5797 if (!mHasFeature) { 5798 return null; 5799 } 5800 enforceManageUsers(); 5801 synchronized (this) { 5802 if (!mOwners.hasDeviceOwner()) { 5803 return null; 5804 } 5805 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5806 // Should setDeviceOwner/ProfileOwner still take a name? 5807 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5808 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5809 } 5810 } 5811 5812 // Returns the active device owner or null if there is no device owner. 5813 @VisibleForTesting 5814 ActiveAdmin getDeviceOwnerAdminLocked() { 5815 ComponentName component = mOwners.getDeviceOwnerComponent(); 5816 if (component == null) { 5817 return null; 5818 } 5819 5820 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5821 final int n = policy.mAdminList.size(); 5822 for (int i = 0; i < n; i++) { 5823 ActiveAdmin admin = policy.mAdminList.get(i); 5824 if (component.equals(admin.info.getComponent())) { 5825 return admin; 5826 } 5827 } 5828 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5829 return null; 5830 } 5831 5832 @Override 5833 public void clearDeviceOwner(String packageName) { 5834 Preconditions.checkNotNull(packageName, "packageName is null"); 5835 final int callingUid = mInjector.binderGetCallingUid(); 5836 try { 5837 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 5838 UserHandle.getUserId(callingUid)); 5839 if (uid != callingUid) { 5840 throw new SecurityException("Invalid packageName"); 5841 } 5842 } catch (NameNotFoundException e) { 5843 throw new SecurityException(e); 5844 } 5845 synchronized (this) { 5846 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 5847 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 5848 if (!mOwners.hasDeviceOwner() 5849 || !deviceOwnerComponent.getPackageName().equals(packageName) 5850 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 5851 throw new SecurityException( 5852 "clearDeviceOwner can only be called by the device owner"); 5853 } 5854 enforceUserUnlocked(deviceOwnerUserId); 5855 5856 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 5857 long ident = mInjector.binderClearCallingIdentity(); 5858 try { 5859 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 5860 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 5861 } finally { 5862 mInjector.binderRestoreCallingIdentity(ident); 5863 } 5864 } 5865 } 5866 5867 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 5868 if (admin != null) { 5869 admin.disableCamera = false; 5870 admin.userRestrictions = null; 5871 admin.forceEphemeralUsers = false; 5872 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 5873 } 5874 clearUserPoliciesLocked(userId); 5875 5876 mOwners.clearDeviceOwner(); 5877 mOwners.writeDeviceOwner(); 5878 updateDeviceOwnerLocked(); 5879 disableSecurityLoggingIfNotCompliant(); 5880 try { 5881 // Reactivate backup service. 5882 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 5883 } catch (RemoteException e) { 5884 throw new IllegalStateException("Failed reactivating backup service.", e); 5885 } 5886 } 5887 5888 @Override 5889 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 5890 if (!mHasFeature) { 5891 return false; 5892 } 5893 if (who == null 5894 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 5895 throw new IllegalArgumentException("Component " + who 5896 + " not installed for userId:" + userHandle); 5897 } 5898 synchronized (this) { 5899 enforceCanSetProfileOwnerLocked(userHandle); 5900 5901 if (getActiveAdminUncheckedLocked(who, userHandle) == null) { 5902 throw new IllegalArgumentException("Not active admin: " + who); 5903 } 5904 5905 mOwners.setProfileOwner(who, ownerName, userHandle); 5906 mOwners.writeProfileOwner(userHandle); 5907 return true; 5908 } 5909 } 5910 5911 @Override 5912 public void clearProfileOwner(ComponentName who) { 5913 if (!mHasFeature) { 5914 return; 5915 } 5916 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 5917 final int userId = callingUser.getIdentifier(); 5918 enforceNotManagedProfile(userId, "clear profile owner"); 5919 enforceUserUnlocked(userId); 5920 // Check if this is the profile owner who is calling 5921 final ActiveAdmin admin = 5922 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5923 synchronized (this) { 5924 final long ident = mInjector.binderClearCallingIdentity(); 5925 try { 5926 clearProfileOwnerLocked(admin, userId); 5927 removeActiveAdminLocked(who, userId); 5928 } finally { 5929 mInjector.binderRestoreCallingIdentity(ident); 5930 } 5931 } 5932 } 5933 5934 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 5935 if (admin != null) { 5936 admin.disableCamera = false; 5937 admin.userRestrictions = null; 5938 } 5939 clearUserPoliciesLocked(userId); 5940 mOwners.removeProfileOwner(userId); 5941 mOwners.writeProfileOwner(userId); 5942 } 5943 5944 @Override 5945 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 5946 Preconditions.checkNotNull(who, "ComponentName is null"); 5947 if (!mHasFeature) { 5948 return; 5949 } 5950 5951 synchronized (this) { 5952 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5953 long token = mInjector.binderClearCallingIdentity(); 5954 try { 5955 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 5956 } finally { 5957 mInjector.binderRestoreCallingIdentity(token); 5958 } 5959 } 5960 } 5961 5962 @Override 5963 public CharSequence getDeviceOwnerLockScreenInfo() { 5964 return mLockPatternUtils.getDeviceOwnerInfo(); 5965 } 5966 5967 private void clearUserPoliciesLocked(int userId) { 5968 // Reset some of the user-specific policies 5969 DevicePolicyData policy = getUserData(userId); 5970 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 5971 policy.mDelegatedCertInstallerPackage = null; 5972 policy.mApplicationRestrictionsManagingPackage = null; 5973 policy.mStatusBarDisabled = false; 5974 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 5975 saveSettingsLocked(userId); 5976 5977 try { 5978 mIPackageManager.updatePermissionFlagsForAllApps( 5979 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 5980 0 /* flagValues */, userId); 5981 pushUserRestrictions(userId); 5982 } catch (RemoteException re) { 5983 // Shouldn't happen. 5984 } 5985 } 5986 5987 @Override 5988 public boolean hasUserSetupCompleted() { 5989 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 5990 } 5991 5992 private boolean hasUserSetupCompleted(int userHandle) { 5993 if (!mHasFeature) { 5994 return true; 5995 } 5996 return getUserData(userHandle).mUserSetupComplete; 5997 } 5998 5999 @Override 6000 public int getUserProvisioningState() { 6001 if (!mHasFeature) { 6002 return DevicePolicyManager.STATE_USER_UNMANAGED; 6003 } 6004 int userHandle = mInjector.userHandleGetCallingUserId(); 6005 return getUserProvisioningState(userHandle); 6006 } 6007 6008 private int getUserProvisioningState(int userHandle) { 6009 return getUserData(userHandle).mUserProvisioningState; 6010 } 6011 6012 @Override 6013 public void setUserProvisioningState(int newState, int userHandle) { 6014 if (!mHasFeature) { 6015 return; 6016 } 6017 6018 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6019 && getManagedUserId(userHandle) == -1) { 6020 // No managed device, user or profile, so setting provisioning state makes no sense. 6021 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6022 + "device or profile owner is set."); 6023 } 6024 6025 synchronized (this) { 6026 boolean transitionCheckNeeded = true; 6027 6028 // Calling identity/permission checks. 6029 final int callingUid = mInjector.binderGetCallingUid(); 6030 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6031 // ADB shell can only move directly from un-managed to finalized as part of directly 6032 // setting profile-owner or device-owner. 6033 if (getUserProvisioningState(userHandle) != 6034 DevicePolicyManager.STATE_USER_UNMANAGED 6035 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6036 throw new IllegalStateException("Not allowed to change provisioning state " 6037 + "unless current provisioning state is unmanaged, and new state is " 6038 + "finalized."); 6039 } 6040 transitionCheckNeeded = false; 6041 } else { 6042 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6043 enforceCanManageProfileAndDeviceOwners(); 6044 } 6045 6046 final DevicePolicyData policyData = getUserData(userHandle); 6047 if (transitionCheckNeeded) { 6048 // Optional state transition check for non-ADB case. 6049 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6050 } 6051 policyData.mUserProvisioningState = newState; 6052 saveSettingsLocked(userHandle); 6053 } 6054 } 6055 6056 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6057 // Valid transitions for normal use-cases. 6058 switch (currentState) { 6059 case DevicePolicyManager.STATE_USER_UNMANAGED: 6060 // Can move to any state from unmanaged (except itself as an edge case).. 6061 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6062 return; 6063 } 6064 break; 6065 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6066 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6067 // Can only move to finalized from these states. 6068 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6069 return; 6070 } 6071 break; 6072 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6073 // Current user has a managed-profile, but current user is not managed, so 6074 // rather than moving to finalized state, go back to unmanaged once 6075 // profile provisioning is complete. 6076 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6077 return; 6078 } 6079 break; 6080 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6081 // Cannot transition out of finalized. 6082 break; 6083 } 6084 6085 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6086 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6087 + "from state [" + currentState + "]"); 6088 } 6089 6090 @Override 6091 public void setProfileEnabled(ComponentName who) { 6092 if (!mHasFeature) { 6093 return; 6094 } 6095 Preconditions.checkNotNull(who, "ComponentName is null"); 6096 synchronized (this) { 6097 // Check if this is the profile owner who is calling 6098 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6099 final int userId = UserHandle.getCallingUserId(); 6100 enforceManagedProfile(userId, "enable the profile"); 6101 // Check if the profile is already enabled. 6102 UserInfo managedProfile = getUserInfo(userId); 6103 if (managedProfile.isEnabled()) { 6104 Slog.e(LOG_TAG, 6105 "setProfileEnabled is called when the profile is already enabled"); 6106 return; 6107 } 6108 long id = mInjector.binderClearCallingIdentity(); 6109 try { 6110 mUserManager.setUserEnabled(userId); 6111 UserInfo parent = mUserManager.getProfileParent(userId); 6112 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6113 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6114 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6115 Intent.FLAG_RECEIVER_FOREGROUND); 6116 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6117 } finally { 6118 mInjector.binderRestoreCallingIdentity(id); 6119 } 6120 } 6121 } 6122 6123 @Override 6124 public void setProfileName(ComponentName who, String profileName) { 6125 Preconditions.checkNotNull(who, "ComponentName is null"); 6126 int userId = UserHandle.getCallingUserId(); 6127 // Check if this is the profile owner (includes device owner). 6128 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6129 6130 long id = mInjector.binderClearCallingIdentity(); 6131 try { 6132 mUserManager.setUserName(userId, profileName); 6133 } finally { 6134 mInjector.binderRestoreCallingIdentity(id); 6135 } 6136 } 6137 6138 @Override 6139 public ComponentName getProfileOwner(int userHandle) { 6140 if (!mHasFeature) { 6141 return null; 6142 } 6143 6144 synchronized (this) { 6145 return mOwners.getProfileOwnerComponent(userHandle); 6146 } 6147 } 6148 6149 // Returns the active profile owner for this user or null if the current user has no 6150 // profile owner. 6151 @VisibleForTesting 6152 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6153 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6154 if (profileOwner == null) { 6155 return null; 6156 } 6157 DevicePolicyData policy = getUserData(userHandle); 6158 final int n = policy.mAdminList.size(); 6159 for (int i = 0; i < n; i++) { 6160 ActiveAdmin admin = policy.mAdminList.get(i); 6161 if (profileOwner.equals(admin.info.getComponent())) { 6162 return admin; 6163 } 6164 } 6165 return null; 6166 } 6167 6168 @Override 6169 public String getProfileOwnerName(int userHandle) { 6170 if (!mHasFeature) { 6171 return null; 6172 } 6173 enforceManageUsers(); 6174 ComponentName profileOwner = getProfileOwner(userHandle); 6175 if (profileOwner == null) { 6176 return null; 6177 } 6178 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6179 } 6180 6181 /** 6182 * Canonical name for a given package. 6183 */ 6184 private String getApplicationLabel(String packageName, int userHandle) { 6185 long token = mInjector.binderClearCallingIdentity(); 6186 try { 6187 final Context userContext; 6188 try { 6189 UserHandle handle = new UserHandle(userHandle); 6190 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6191 } catch (PackageManager.NameNotFoundException nnfe) { 6192 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6193 return null; 6194 } 6195 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6196 CharSequence result = null; 6197 if (appInfo != null) { 6198 PackageManager pm = userContext.getPackageManager(); 6199 result = pm.getApplicationLabel(appInfo); 6200 } 6201 return result != null ? result.toString() : null; 6202 } finally { 6203 mInjector.binderRestoreCallingIdentity(token); 6204 } 6205 } 6206 6207 /** 6208 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6209 * permission. 6210 * The profile owner can only be set before the user setup phase has completed, 6211 * except for: 6212 * - SYSTEM_UID 6213 * - adb if there are not accounts. 6214 */ 6215 private void enforceCanSetProfileOwnerLocked(int userHandle) { 6216 UserInfo info = getUserInfo(userHandle); 6217 if (info == null) { 6218 // User doesn't exist. 6219 throw new IllegalArgumentException( 6220 "Attempted to set profile owner for invalid userId: " + userHandle); 6221 } 6222 if (info.isGuest()) { 6223 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6224 } 6225 if (mOwners.hasProfileOwner(userHandle)) { 6226 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6227 + "is already set."); 6228 } 6229 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6230 throw new IllegalStateException("Trying to set the profile owner, but the user " 6231 + "already has a device owner."); 6232 } 6233 int callingUid = mInjector.binderGetCallingUid(); 6234 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6235 if (hasUserSetupCompleted(userHandle) && 6236 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 6237 throw new IllegalStateException("Not allowed to set the profile owner because " 6238 + "there are already some accounts on the profile"); 6239 } 6240 return; 6241 } 6242 enforceCanManageProfileAndDeviceOwners(); 6243 if (hasUserSetupCompleted(userHandle) && !isCallerWithSystemUid()) { 6244 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6245 + "already set-up"); 6246 } 6247 } 6248 6249 /** 6250 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6251 * permission. 6252 */ 6253 private void enforceCanSetDeviceOwnerLocked(int userId) { 6254 int callingUid = mInjector.binderGetCallingUid(); 6255 boolean isAdb = callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 6256 if (!isAdb) { 6257 enforceCanManageProfileAndDeviceOwners(); 6258 } 6259 6260 final int code = checkSetDeviceOwnerPreCondition(userId, isAdb); 6261 switch (code) { 6262 case CODE_OK: 6263 return; 6264 case CODE_HAS_DEVICE_OWNER: 6265 throw new IllegalStateException( 6266 "Trying to set the device owner, but device owner is already set."); 6267 case CODE_USER_HAS_PROFILE_OWNER: 6268 throw new IllegalStateException("Trying to set the device owner, but the user " 6269 + "already has a profile owner."); 6270 case CODE_USER_NOT_RUNNING: 6271 throw new IllegalStateException("User not running: " + userId); 6272 case CODE_NOT_SYSTEM_USER: 6273 throw new IllegalStateException("User is not system user"); 6274 case CODE_USER_SETUP_COMPLETED: 6275 throw new IllegalStateException( 6276 "Cannot set the device owner if the device is already set-up"); 6277 case CODE_NONSYSTEM_USER_EXISTS: 6278 throw new IllegalStateException("Not allowed to set the device owner because there " 6279 + "are already several users on the device"); 6280 case CODE_ACCOUNTS_NOT_EMPTY: 6281 throw new IllegalStateException("Not allowed to set the device owner because there " 6282 + "are already some accounts on the device"); 6283 default: 6284 throw new IllegalStateException("Unknown @DeviceOwnerPreConditionCode " + code); 6285 } 6286 } 6287 6288 private void enforceUserUnlocked(int userId) { 6289 // Since we're doing this operation on behalf of an app, we only 6290 // want to use the actual "unlocked" state. 6291 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6292 "User must be running and unlocked"); 6293 } 6294 6295 private void enforceManageUsers() { 6296 final int callingUid = mInjector.binderGetCallingUid(); 6297 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6298 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6299 } 6300 } 6301 6302 private void enforceFullCrossUsersPermission(int userHandle) { 6303 enforceSystemUserOrPermission(userHandle, 6304 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6305 } 6306 6307 private void enforceCrossUsersPermission(int userHandle) { 6308 enforceSystemUserOrPermission(userHandle, 6309 android.Manifest.permission.INTERACT_ACROSS_USERS); 6310 } 6311 6312 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6313 if (userHandle < 0) { 6314 throw new IllegalArgumentException("Invalid userId " + userHandle); 6315 } 6316 final int callingUid = mInjector.binderGetCallingUid(); 6317 if (userHandle == UserHandle.getUserId(callingUid)) { 6318 return; 6319 } 6320 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6321 mContext.enforceCallingOrSelfPermission(permission, 6322 "Must be system or have " + permission + " permission"); 6323 } 6324 } 6325 6326 private void enforceManagedProfile(int userHandle, String message) { 6327 if(!isManagedProfile(userHandle)) { 6328 throw new SecurityException("You can not " + message + " outside a managed profile."); 6329 } 6330 } 6331 6332 private void enforceNotManagedProfile(int userHandle, String message) { 6333 if(isManagedProfile(userHandle)) { 6334 throw new SecurityException("You can not " + message + " for a managed profile."); 6335 } 6336 } 6337 6338 private void ensureCallerPackage(@Nullable String packageName) { 6339 if (packageName == null) { 6340 Preconditions.checkState(isCallerWithSystemUid(), 6341 "Only caller can omit package name"); 6342 } else { 6343 final int callingUid = mInjector.binderGetCallingUid(); 6344 final int userId = mInjector.userHandleGetCallingUserId(); 6345 try { 6346 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6347 packageName, 0, userId); 6348 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6349 } catch (RemoteException e) { 6350 // Shouldn't happen 6351 } 6352 } 6353 } 6354 6355 private boolean isCallerWithSystemUid() { 6356 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6357 } 6358 6359 private int getProfileParentId(int userHandle) { 6360 final long ident = mInjector.binderClearCallingIdentity(); 6361 try { 6362 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6363 return parentUser != null ? parentUser.id : userHandle; 6364 } finally { 6365 mInjector.binderRestoreCallingIdentity(ident); 6366 } 6367 } 6368 6369 private int getCredentialOwner(int userHandle, boolean parent) { 6370 final long ident = mInjector.binderClearCallingIdentity(); 6371 try { 6372 if (parent) { 6373 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6374 if (parentProfile != null) { 6375 userHandle = parentProfile.id; 6376 } 6377 } 6378 return mUserManager.getCredentialOwnerProfile(userHandle); 6379 } finally { 6380 mInjector.binderRestoreCallingIdentity(ident); 6381 } 6382 } 6383 6384 private boolean isManagedProfile(int userHandle) { 6385 return getUserInfo(userHandle).isManagedProfile(); 6386 } 6387 6388 private void enableIfNecessary(String packageName, int userId) { 6389 try { 6390 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6391 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6392 userId); 6393 if (ai.enabledSetting 6394 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6395 mIPackageManager.setApplicationEnabledSetting(packageName, 6396 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6397 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6398 } 6399 } catch (RemoteException e) { 6400 } 6401 } 6402 6403 @Override 6404 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6405 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6406 != PackageManager.PERMISSION_GRANTED) { 6407 6408 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6409 + mInjector.binderGetCallingPid() 6410 + ", uid=" + mInjector.binderGetCallingUid()); 6411 return; 6412 } 6413 6414 synchronized (this) { 6415 pw.println("Current Device Policy Manager state:"); 6416 mOwners.dump(" ", pw); 6417 int userCount = mUserData.size(); 6418 for (int u = 0; u < userCount; u++) { 6419 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6420 pw.println(); 6421 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6422 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6423 final int N = policy.mAdminList.size(); 6424 for (int i=0; i<N; i++) { 6425 ActiveAdmin ap = policy.mAdminList.get(i); 6426 if (ap != null) { 6427 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6428 pw.println(":"); 6429 ap.dump(" ", pw); 6430 } 6431 } 6432 if (!policy.mRemovingAdmins.isEmpty()) { 6433 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6434 + policy.mRemovingAdmins); 6435 } 6436 6437 pw.println(" "); 6438 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6439 } 6440 pw.println(); 6441 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6442 } 6443 } 6444 6445 private String getEncryptionStatusName(int encryptionStatus) { 6446 switch (encryptionStatus) { 6447 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6448 return "inactive"; 6449 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6450 return "block default key"; 6451 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6452 return "block"; 6453 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6454 return "per-user"; 6455 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6456 return "unsupported"; 6457 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6458 return "activating"; 6459 default: 6460 return "unknown"; 6461 } 6462 } 6463 6464 @Override 6465 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6466 ComponentName activity) { 6467 Preconditions.checkNotNull(who, "ComponentName is null"); 6468 final int userHandle = UserHandle.getCallingUserId(); 6469 synchronized (this) { 6470 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6471 6472 long id = mInjector.binderClearCallingIdentity(); 6473 try { 6474 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6475 } catch (RemoteException re) { 6476 // Shouldn't happen 6477 } finally { 6478 mInjector.binderRestoreCallingIdentity(id); 6479 } 6480 } 6481 } 6482 6483 @Override 6484 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6485 Preconditions.checkNotNull(who, "ComponentName is null"); 6486 final int userHandle = UserHandle.getCallingUserId(); 6487 synchronized (this) { 6488 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6489 6490 long id = mInjector.binderClearCallingIdentity(); 6491 try { 6492 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6493 } catch (RemoteException re) { 6494 // Shouldn't happen 6495 } finally { 6496 mInjector.binderRestoreCallingIdentity(id); 6497 } 6498 } 6499 } 6500 6501 @Override 6502 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6503 String packageName) { 6504 Preconditions.checkNotNull(admin, "ComponentName is null"); 6505 6506 final int userHandle = mInjector.userHandleGetCallingUserId(); 6507 synchronized (this) { 6508 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6509 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6510 return false; 6511 } 6512 DevicePolicyData policy = getUserData(userHandle); 6513 policy.mApplicationRestrictionsManagingPackage = packageName; 6514 saveSettingsLocked(userHandle); 6515 return true; 6516 } 6517 } 6518 6519 @Override 6520 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6521 Preconditions.checkNotNull(admin, "ComponentName is null"); 6522 6523 final int userHandle = mInjector.userHandleGetCallingUserId(); 6524 synchronized (this) { 6525 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6526 DevicePolicyData policy = getUserData(userHandle); 6527 return policy.mApplicationRestrictionsManagingPackage; 6528 } 6529 } 6530 6531 @Override 6532 public boolean isCallerApplicationRestrictionsManagingPackage() { 6533 final int callingUid = mInjector.binderGetCallingUid(); 6534 final int userHandle = UserHandle.getUserId(callingUid); 6535 synchronized (this) { 6536 final DevicePolicyData policy = getUserData(userHandle); 6537 if (policy.mApplicationRestrictionsManagingPackage == null) { 6538 return false; 6539 } 6540 6541 try { 6542 int uid = mContext.getPackageManager().getPackageUidAsUser( 6543 policy.mApplicationRestrictionsManagingPackage, userHandle); 6544 return uid == callingUid; 6545 } catch (NameNotFoundException e) { 6546 return false; 6547 } 6548 } 6549 } 6550 6551 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6552 if (who != null) { 6553 synchronized (this) { 6554 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6555 } 6556 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6557 throw new SecurityException( 6558 "No admin component given, and caller cannot manage application restrictions " 6559 + "for other apps."); 6560 } 6561 } 6562 6563 @Override 6564 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6565 enforceCanManageApplicationRestrictions(who); 6566 6567 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6568 final long id = mInjector.binderClearCallingIdentity(); 6569 try { 6570 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6571 } finally { 6572 mInjector.binderRestoreCallingIdentity(id); 6573 } 6574 } 6575 6576 @Override 6577 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6578 PersistableBundle args, boolean parent) { 6579 if (!mHasFeature) { 6580 return; 6581 } 6582 Preconditions.checkNotNull(admin, "admin is null"); 6583 Preconditions.checkNotNull(agent, "agent is null"); 6584 final int userHandle = UserHandle.getCallingUserId(); 6585 synchronized (this) { 6586 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6587 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6588 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6589 saveSettingsLocked(userHandle); 6590 } 6591 } 6592 6593 @Override 6594 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6595 ComponentName agent, int userHandle, boolean parent) { 6596 if (!mHasFeature) { 6597 return null; 6598 } 6599 Preconditions.checkNotNull(agent, "agent null"); 6600 enforceFullCrossUsersPermission(userHandle); 6601 6602 synchronized (this) { 6603 final String componentName = agent.flattenToString(); 6604 if (admin != null) { 6605 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 6606 if (ap == null) return null; 6607 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6608 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6609 List<PersistableBundle> result = new ArrayList<>(); 6610 result.add(trustAgentInfo.options); 6611 return result; 6612 } 6613 6614 // Return strictest policy for this user and profiles that are visible from this user. 6615 List<PersistableBundle> result = null; 6616 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6617 // of the options. If any admin doesn't have options, discard options for the rest 6618 // and return null. 6619 List<ActiveAdmin> admins = 6620 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6621 boolean allAdminsHaveOptions = true; 6622 final int N = admins.size(); 6623 for (int i = 0; i < N; i++) { 6624 final ActiveAdmin active = admins.get(i); 6625 6626 final boolean disablesTrust = (active.disabledKeyguardFeatures 6627 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6628 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6629 if (info != null && info.options != null && !info.options.isEmpty()) { 6630 if (disablesTrust) { 6631 if (result == null) { 6632 result = new ArrayList<>(); 6633 } 6634 result.add(info.options); 6635 } else { 6636 Log.w(LOG_TAG, "Ignoring admin " + active.info 6637 + " because it has trust options but doesn't declare " 6638 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6639 } 6640 } else if (disablesTrust) { 6641 allAdminsHaveOptions = false; 6642 break; 6643 } 6644 } 6645 return allAdminsHaveOptions ? result : null; 6646 } 6647 } 6648 6649 @Override 6650 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 6651 Preconditions.checkNotNull(who, "ComponentName is null"); 6652 synchronized (this) { 6653 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6654 6655 int userHandle = UserHandle.getCallingUserId(); 6656 DevicePolicyData userData = getUserData(userHandle); 6657 userData.mRestrictionsProvider = permissionProvider; 6658 saveSettingsLocked(userHandle); 6659 } 6660 } 6661 6662 @Override 6663 public ComponentName getRestrictionsProvider(int userHandle) { 6664 synchronized (this) { 6665 if (!isCallerWithSystemUid()) { 6666 throw new SecurityException("Only the system can query the permission provider"); 6667 } 6668 DevicePolicyData userData = getUserData(userHandle); 6669 return userData != null ? userData.mRestrictionsProvider : null; 6670 } 6671 } 6672 6673 @Override 6674 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 6675 Preconditions.checkNotNull(who, "ComponentName is null"); 6676 int callingUserId = UserHandle.getCallingUserId(); 6677 synchronized (this) { 6678 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6679 6680 long id = mInjector.binderClearCallingIdentity(); 6681 try { 6682 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6683 if (parent == null) { 6684 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 6685 + "parent"); 6686 return; 6687 } 6688 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 6689 mIPackageManager.addCrossProfileIntentFilter( 6690 filter, who.getPackageName(), callingUserId, parent.id, 0); 6691 } 6692 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 6693 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 6694 parent.id, callingUserId, 0); 6695 } 6696 } catch (RemoteException re) { 6697 // Shouldn't happen 6698 } finally { 6699 mInjector.binderRestoreCallingIdentity(id); 6700 } 6701 } 6702 } 6703 6704 @Override 6705 public void clearCrossProfileIntentFilters(ComponentName who) { 6706 Preconditions.checkNotNull(who, "ComponentName is null"); 6707 int callingUserId = UserHandle.getCallingUserId(); 6708 synchronized (this) { 6709 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6710 long id = mInjector.binderClearCallingIdentity(); 6711 try { 6712 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6713 if (parent == null) { 6714 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 6715 + "parent"); 6716 return; 6717 } 6718 // Removing those that go from the managed profile to the parent. 6719 mIPackageManager.clearCrossProfileIntentFilters( 6720 callingUserId, who.getPackageName()); 6721 // And those that go from the parent to the managed profile. 6722 // If we want to support multiple managed profiles, we will have to only remove 6723 // those that have callingUserId as their target. 6724 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 6725 } catch (RemoteException re) { 6726 // Shouldn't happen 6727 } finally { 6728 mInjector.binderRestoreCallingIdentity(id); 6729 } 6730 } 6731 } 6732 6733 /** 6734 * @return true if all packages in enabledPackages are either in the list 6735 * permittedList or are a system app. 6736 */ 6737 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 6738 List<String> permittedList, int userIdToCheck) { 6739 long id = mInjector.binderClearCallingIdentity(); 6740 try { 6741 // If we have an enabled packages list for a managed profile the packages 6742 // we should check are installed for the parent user. 6743 UserInfo user = getUserInfo(userIdToCheck); 6744 if (user.isManagedProfile()) { 6745 userIdToCheck = user.profileGroupId; 6746 } 6747 6748 for (String enabledPackage : enabledPackages) { 6749 boolean systemService = false; 6750 try { 6751 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 6752 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 6753 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6754 } catch (RemoteException e) { 6755 Log.i(LOG_TAG, "Can't talk to package managed", e); 6756 } 6757 if (!systemService && !permittedList.contains(enabledPackage)) { 6758 return false; 6759 } 6760 } 6761 } finally { 6762 mInjector.binderRestoreCallingIdentity(id); 6763 } 6764 return true; 6765 } 6766 6767 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 6768 // Not using AccessibilityManager.getInstance because that guesses 6769 // at the user you require based on callingUid and caches for a given 6770 // process. 6771 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 6772 IAccessibilityManager service = iBinder == null 6773 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 6774 return new AccessibilityManager(mContext, service, userId); 6775 } 6776 6777 @Override 6778 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 6779 if (!mHasFeature) { 6780 return false; 6781 } 6782 Preconditions.checkNotNull(who, "ComponentName is null"); 6783 6784 if (packageList != null) { 6785 int userId = UserHandle.getCallingUserId(); 6786 List<AccessibilityServiceInfo> enabledServices = null; 6787 long id = mInjector.binderClearCallingIdentity(); 6788 try { 6789 UserInfo user = getUserInfo(userId); 6790 if (user.isManagedProfile()) { 6791 userId = user.profileGroupId; 6792 } 6793 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 6794 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 6795 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 6796 } finally { 6797 mInjector.binderRestoreCallingIdentity(id); 6798 } 6799 6800 if (enabledServices != null) { 6801 List<String> enabledPackages = new ArrayList<String>(); 6802 for (AccessibilityServiceInfo service : enabledServices) { 6803 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 6804 } 6805 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6806 userId)) { 6807 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 6808 + "because it contains already enabled accesibility services."); 6809 return false; 6810 } 6811 } 6812 } 6813 6814 synchronized (this) { 6815 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6816 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6817 admin.permittedAccessiblityServices = packageList; 6818 saveSettingsLocked(UserHandle.getCallingUserId()); 6819 } 6820 return true; 6821 } 6822 6823 @Override 6824 public List getPermittedAccessibilityServices(ComponentName who) { 6825 if (!mHasFeature) { 6826 return null; 6827 } 6828 Preconditions.checkNotNull(who, "ComponentName is null"); 6829 6830 synchronized (this) { 6831 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6832 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6833 return admin.permittedAccessiblityServices; 6834 } 6835 } 6836 6837 @Override 6838 public List getPermittedAccessibilityServicesForUser(int userId) { 6839 if (!mHasFeature) { 6840 return null; 6841 } 6842 synchronized (this) { 6843 List<String> result = null; 6844 // If we have multiple profiles we return the intersection of the 6845 // permitted lists. This can happen in cases where we have a device 6846 // and profile owner. 6847 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 6848 for (int profileId : profileIds) { 6849 // Just loop though all admins, only device or profiles 6850 // owners can have permitted lists set. 6851 DevicePolicyData policy = getUserDataUnchecked(profileId); 6852 final int N = policy.mAdminList.size(); 6853 for (int j = 0; j < N; j++) { 6854 ActiveAdmin admin = policy.mAdminList.get(j); 6855 List<String> fromAdmin = admin.permittedAccessiblityServices; 6856 if (fromAdmin != null) { 6857 if (result == null) { 6858 result = new ArrayList<>(fromAdmin); 6859 } else { 6860 result.retainAll(fromAdmin); 6861 } 6862 } 6863 } 6864 } 6865 6866 // If we have a permitted list add all system accessibility services. 6867 if (result != null) { 6868 long id = mInjector.binderClearCallingIdentity(); 6869 try { 6870 UserInfo user = getUserInfo(userId); 6871 if (user.isManagedProfile()) { 6872 userId = user.profileGroupId; 6873 } 6874 AccessibilityManager accessibilityManager = 6875 getAccessibilityManagerForUser(userId); 6876 List<AccessibilityServiceInfo> installedServices = 6877 accessibilityManager.getInstalledAccessibilityServiceList(); 6878 6879 if (installedServices != null) { 6880 for (AccessibilityServiceInfo service : installedServices) { 6881 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 6882 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6883 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6884 result.add(serviceInfo.packageName); 6885 } 6886 } 6887 } 6888 } finally { 6889 mInjector.binderRestoreCallingIdentity(id); 6890 } 6891 } 6892 6893 return result; 6894 } 6895 } 6896 6897 @Override 6898 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 6899 int userHandle) { 6900 if (!mHasFeature) { 6901 return true; 6902 } 6903 Preconditions.checkNotNull(who, "ComponentName is null"); 6904 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 6905 if (!isCallerWithSystemUid()){ 6906 throw new SecurityException( 6907 "Only the system can query if an accessibility service is disabled by admin"); 6908 } 6909 synchronized (this) { 6910 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6911 if (admin == null) { 6912 return false; 6913 } 6914 if (admin.permittedAccessiblityServices == null) { 6915 return true; 6916 } 6917 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 6918 admin.permittedAccessiblityServices, userHandle); 6919 } 6920 } 6921 6922 private boolean checkCallerIsCurrentUserOrProfile() { 6923 int callingUserId = UserHandle.getCallingUserId(); 6924 long token = mInjector.binderClearCallingIdentity(); 6925 try { 6926 UserInfo currentUser; 6927 UserInfo callingUser = getUserInfo(callingUserId); 6928 try { 6929 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6930 } catch (RemoteException e) { 6931 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 6932 return false; 6933 } 6934 6935 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 6936 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 6937 + "of a user that isn't the foreground user."); 6938 return false; 6939 } 6940 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 6941 Slog.e(LOG_TAG, "Cannot set permitted input methods " 6942 + "of a user that isn't the foreground user."); 6943 return false; 6944 } 6945 } finally { 6946 mInjector.binderRestoreCallingIdentity(token); 6947 } 6948 return true; 6949 } 6950 6951 @Override 6952 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 6953 if (!mHasFeature) { 6954 return false; 6955 } 6956 Preconditions.checkNotNull(who, "ComponentName is null"); 6957 6958 // TODO When InputMethodManager supports per user calls remove 6959 // this restriction. 6960 if (!checkCallerIsCurrentUserOrProfile()) { 6961 return false; 6962 } 6963 6964 if (packageList != null) { 6965 // InputMethodManager fetches input methods for current user. 6966 // So this can only be set when calling user is the current user 6967 // or parent is current user in case of managed profiles. 6968 InputMethodManager inputMethodManager = 6969 mContext.getSystemService(InputMethodManager.class); 6970 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 6971 6972 if (enabledImes != null) { 6973 List<String> enabledPackages = new ArrayList<String>(); 6974 for (InputMethodInfo ime : enabledImes) { 6975 enabledPackages.add(ime.getPackageName()); 6976 } 6977 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6978 mInjector.binderGetCallingUserHandle().getIdentifier())) { 6979 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 6980 + "because it contains already enabled input method."); 6981 return false; 6982 } 6983 } 6984 } 6985 6986 synchronized (this) { 6987 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6988 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6989 admin.permittedInputMethods = packageList; 6990 saveSettingsLocked(UserHandle.getCallingUserId()); 6991 } 6992 return true; 6993 } 6994 6995 @Override 6996 public List getPermittedInputMethods(ComponentName who) { 6997 if (!mHasFeature) { 6998 return null; 6999 } 7000 Preconditions.checkNotNull(who, "ComponentName is null"); 7001 7002 synchronized (this) { 7003 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7004 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7005 return admin.permittedInputMethods; 7006 } 7007 } 7008 7009 @Override 7010 public List getPermittedInputMethodsForCurrentUser() { 7011 UserInfo currentUser; 7012 try { 7013 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7014 } catch (RemoteException e) { 7015 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7016 // Activity managed is dead, just allow all IMEs 7017 return null; 7018 } 7019 7020 int userId = currentUser.id; 7021 synchronized (this) { 7022 List<String> result = null; 7023 // If we have multiple profiles we return the intersection of the 7024 // permitted lists. This can happen in cases where we have a device 7025 // and profile owner. 7026 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7027 for (int profileId : profileIds) { 7028 // Just loop though all admins, only device or profiles 7029 // owners can have permitted lists set. 7030 DevicePolicyData policy = getUserDataUnchecked(profileId); 7031 final int N = policy.mAdminList.size(); 7032 for (int j = 0; j < N; j++) { 7033 ActiveAdmin admin = policy.mAdminList.get(j); 7034 List<String> fromAdmin = admin.permittedInputMethods; 7035 if (fromAdmin != null) { 7036 if (result == null) { 7037 result = new ArrayList<String>(fromAdmin); 7038 } else { 7039 result.retainAll(fromAdmin); 7040 } 7041 } 7042 } 7043 } 7044 7045 // If we have a permitted list add all system input methods. 7046 if (result != null) { 7047 InputMethodManager inputMethodManager = 7048 mContext.getSystemService(InputMethodManager.class); 7049 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7050 long id = mInjector.binderClearCallingIdentity(); 7051 try { 7052 if (imes != null) { 7053 for (InputMethodInfo ime : imes) { 7054 ServiceInfo serviceInfo = ime.getServiceInfo(); 7055 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7056 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7057 result.add(serviceInfo.packageName); 7058 } 7059 } 7060 } 7061 } finally { 7062 mInjector.binderRestoreCallingIdentity(id); 7063 } 7064 } 7065 return result; 7066 } 7067 } 7068 7069 @Override 7070 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7071 int userHandle) { 7072 if (!mHasFeature) { 7073 return true; 7074 } 7075 Preconditions.checkNotNull(who, "ComponentName is null"); 7076 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7077 if (!isCallerWithSystemUid()) { 7078 throw new SecurityException( 7079 "Only the system can query if an input method is disabled by admin"); 7080 } 7081 synchronized (this) { 7082 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7083 if (admin == null) { 7084 return false; 7085 } 7086 if (admin.permittedInputMethods == null) { 7087 return true; 7088 } 7089 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7090 admin.permittedInputMethods, userHandle); 7091 } 7092 } 7093 7094 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7095 DevicePolicyData policyData = getUserData(userHandle); 7096 if (policyData.mAdminBroadcastPending) { 7097 // Send the initialization data to profile owner and delete the data 7098 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7099 if (admin != null) { 7100 PersistableBundle initBundle = policyData.mInitBundle; 7101 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7102 initBundle == null ? null : new Bundle(initBundle), null); 7103 } 7104 policyData.mInitBundle = null; 7105 policyData.mAdminBroadcastPending = false; 7106 saveSettingsLocked(userHandle); 7107 } 7108 } 7109 7110 @Override 7111 public UserHandle createAndManageUser(ComponentName admin, String name, 7112 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7113 Preconditions.checkNotNull(admin, "admin is null"); 7114 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7115 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7116 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7117 + admin + " are not in the same package"); 7118 } 7119 // Only allow the system user to use this method 7120 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7121 throw new SecurityException("createAndManageUser was called from non-system user"); 7122 } 7123 if (!mInjector.userManagerIsSplitSystemUser() 7124 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7125 throw new IllegalArgumentException( 7126 "Ephemeral users are only supported on systems with a split system user."); 7127 } 7128 // Create user. 7129 UserHandle user = null; 7130 synchronized (this) { 7131 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7132 7133 final long id = mInjector.binderClearCallingIdentity(); 7134 try { 7135 int userInfoFlags = 0; 7136 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7137 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7138 } 7139 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7140 userInfoFlags); 7141 if (userInfo != null) { 7142 user = userInfo.getUserHandle(); 7143 } 7144 } finally { 7145 mInjector.binderRestoreCallingIdentity(id); 7146 } 7147 } 7148 if (user == null) { 7149 return null; 7150 } 7151 // Set admin. 7152 final long id = mInjector.binderClearCallingIdentity(); 7153 try { 7154 final String adminPkg = admin.getPackageName(); 7155 7156 final int userHandle = user.getIdentifier(); 7157 try { 7158 // Install the profile owner if not present. 7159 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7160 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 7161 } 7162 } catch (RemoteException e) { 7163 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7164 + "removing created user", e); 7165 mUserManager.removeUser(user.getIdentifier()); 7166 return null; 7167 } 7168 7169 setActiveAdmin(profileOwner, true, userHandle); 7170 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7171 // So we store adminExtras for broadcasting when the user starts for first time. 7172 synchronized(this) { 7173 DevicePolicyData policyData = getUserData(userHandle); 7174 policyData.mInitBundle = adminExtras; 7175 policyData.mAdminBroadcastPending = true; 7176 saveSettingsLocked(userHandle); 7177 } 7178 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7179 setProfileOwner(profileOwner, ownerName, userHandle); 7180 7181 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7182 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7183 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7184 } 7185 7186 return user; 7187 } finally { 7188 mInjector.binderRestoreCallingIdentity(id); 7189 } 7190 } 7191 7192 @Override 7193 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7194 Preconditions.checkNotNull(who, "ComponentName is null"); 7195 synchronized (this) { 7196 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7197 7198 long id = mInjector.binderClearCallingIdentity(); 7199 try { 7200 return mUserManager.removeUser(userHandle.getIdentifier()); 7201 } finally { 7202 mInjector.binderRestoreCallingIdentity(id); 7203 } 7204 } 7205 } 7206 7207 @Override 7208 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7209 Preconditions.checkNotNull(who, "ComponentName is null"); 7210 synchronized (this) { 7211 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7212 7213 long id = mInjector.binderClearCallingIdentity(); 7214 try { 7215 int userId = UserHandle.USER_SYSTEM; 7216 if (userHandle != null) { 7217 userId = userHandle.getIdentifier(); 7218 } 7219 return mInjector.getIActivityManager().switchUser(userId); 7220 } catch (RemoteException e) { 7221 Log.e(LOG_TAG, "Couldn't switch user", e); 7222 return false; 7223 } finally { 7224 mInjector.binderRestoreCallingIdentity(id); 7225 } 7226 } 7227 } 7228 7229 @Override 7230 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7231 enforceCanManageApplicationRestrictions(who); 7232 7233 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7234 final long id = mInjector.binderClearCallingIdentity(); 7235 try { 7236 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7237 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7238 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7239 return bundle != null ? bundle : Bundle.EMPTY; 7240 } finally { 7241 mInjector.binderRestoreCallingIdentity(id); 7242 } 7243 } 7244 7245 @Override 7246 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7247 boolean suspended) { 7248 Preconditions.checkNotNull(who, "ComponentName is null"); 7249 int callingUserId = UserHandle.getCallingUserId(); 7250 synchronized (this) { 7251 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7252 7253 long id = mInjector.binderClearCallingIdentity(); 7254 try { 7255 return mIPackageManager.setPackagesSuspendedAsUser( 7256 packageNames, suspended, callingUserId); 7257 } catch (RemoteException re) { 7258 // Shouldn't happen. 7259 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7260 } finally { 7261 mInjector.binderRestoreCallingIdentity(id); 7262 } 7263 return packageNames; 7264 } 7265 } 7266 7267 @Override 7268 public boolean isPackageSuspended(ComponentName who, String packageName) { 7269 Preconditions.checkNotNull(who, "ComponentName is null"); 7270 int callingUserId = UserHandle.getCallingUserId(); 7271 synchronized (this) { 7272 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7273 7274 long id = mInjector.binderClearCallingIdentity(); 7275 try { 7276 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7277 } catch (RemoteException re) { 7278 // Shouldn't happen. 7279 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7280 } finally { 7281 mInjector.binderRestoreCallingIdentity(id); 7282 } 7283 return false; 7284 } 7285 } 7286 7287 @Override 7288 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7289 Preconditions.checkNotNull(who, "ComponentName is null"); 7290 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7291 return; 7292 } 7293 7294 final int userHandle = mInjector.userHandleGetCallingUserId(); 7295 synchronized (this) { 7296 ActiveAdmin activeAdmin = 7297 getActiveAdminForCallerLocked(who, 7298 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7299 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7300 if (isDeviceOwner) { 7301 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7302 throw new SecurityException("Device owner cannot set user restriction " + key); 7303 } 7304 } else { // profile owner 7305 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7306 throw new SecurityException("Profile owner cannot set user restriction " + key); 7307 } 7308 } 7309 7310 // Save the restriction to ActiveAdmin. 7311 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 7312 saveSettingsLocked(userHandle); 7313 7314 pushUserRestrictions(userHandle); 7315 7316 sendChangedNotification(userHandle); 7317 } 7318 } 7319 7320 private void pushUserRestrictions(int userId) { 7321 synchronized (this) { 7322 final Bundle global; 7323 final Bundle local = new Bundle(); 7324 if (mOwners.isDeviceOwnerUserId(userId)) { 7325 global = new Bundle(); 7326 7327 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7328 if (deviceOwner == null) { 7329 return; // Shouldn't happen. 7330 } 7331 7332 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 7333 global, local); 7334 // DO can disable camera globally. 7335 if (deviceOwner.disableCamera) { 7336 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 7337 } 7338 } else { 7339 global = null; 7340 7341 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7342 if (profileOwner != null) { 7343 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7344 } 7345 } 7346 // Also merge in *local* camera restriction. 7347 if (getCameraDisabled(/* who= */ null, 7348 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7349 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7350 } 7351 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7352 } 7353 } 7354 7355 @Override 7356 public Bundle getUserRestrictions(ComponentName who) { 7357 if (!mHasFeature) { 7358 return null; 7359 } 7360 Preconditions.checkNotNull(who, "ComponentName is null"); 7361 synchronized (this) { 7362 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7363 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7364 return activeAdmin.userRestrictions; 7365 } 7366 } 7367 7368 @Override 7369 public boolean setApplicationHidden(ComponentName who, String packageName, 7370 boolean hidden) { 7371 Preconditions.checkNotNull(who, "ComponentName is null"); 7372 int callingUserId = UserHandle.getCallingUserId(); 7373 synchronized (this) { 7374 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7375 7376 long id = mInjector.binderClearCallingIdentity(); 7377 try { 7378 return mIPackageManager.setApplicationHiddenSettingAsUser( 7379 packageName, hidden, callingUserId); 7380 } catch (RemoteException re) { 7381 // shouldn't happen 7382 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7383 } finally { 7384 mInjector.binderRestoreCallingIdentity(id); 7385 } 7386 return false; 7387 } 7388 } 7389 7390 @Override 7391 public boolean isApplicationHidden(ComponentName who, String packageName) { 7392 Preconditions.checkNotNull(who, "ComponentName is null"); 7393 int callingUserId = UserHandle.getCallingUserId(); 7394 synchronized (this) { 7395 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7396 7397 long id = mInjector.binderClearCallingIdentity(); 7398 try { 7399 return mIPackageManager.getApplicationHiddenSettingAsUser( 7400 packageName, callingUserId); 7401 } catch (RemoteException re) { 7402 // shouldn't happen 7403 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7404 } finally { 7405 mInjector.binderRestoreCallingIdentity(id); 7406 } 7407 return false; 7408 } 7409 } 7410 7411 @Override 7412 public void enableSystemApp(ComponentName who, String packageName) { 7413 Preconditions.checkNotNull(who, "ComponentName is null"); 7414 synchronized (this) { 7415 // This API can only be called by an active device admin, 7416 // so try to retrieve it to check that the caller is one. 7417 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7418 7419 int userId = UserHandle.getCallingUserId(); 7420 long id = mInjector.binderClearCallingIdentity(); 7421 7422 try { 7423 if (VERBOSE_LOG) { 7424 Slog.v(LOG_TAG, "installing " + packageName + " for " 7425 + userId); 7426 } 7427 7428 int parentUserId = getProfileParentId(userId); 7429 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7430 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7431 } 7432 7433 // Install the app. 7434 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7435 7436 } catch (RemoteException re) { 7437 // shouldn't happen 7438 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7439 } finally { 7440 mInjector.binderRestoreCallingIdentity(id); 7441 } 7442 } 7443 } 7444 7445 @Override 7446 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7447 Preconditions.checkNotNull(who, "ComponentName is null"); 7448 synchronized (this) { 7449 // This API can only be called by an active device admin, 7450 // so try to retrieve it to check that the caller is one. 7451 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7452 7453 int userId = UserHandle.getCallingUserId(); 7454 long id = mInjector.binderClearCallingIdentity(); 7455 7456 try { 7457 int parentUserId = getProfileParentId(userId); 7458 List<ResolveInfo> activitiesToEnable = mIPackageManager 7459 .queryIntentActivities(intent, 7460 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7461 PackageManager.MATCH_DIRECT_BOOT_AWARE 7462 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7463 parentUserId) 7464 .getList(); 7465 7466 if (VERBOSE_LOG) { 7467 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7468 } 7469 int numberOfAppsInstalled = 0; 7470 if (activitiesToEnable != null) { 7471 for (ResolveInfo info : activitiesToEnable) { 7472 if (info.activityInfo != null) { 7473 String packageName = info.activityInfo.packageName; 7474 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7475 numberOfAppsInstalled++; 7476 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7477 } else { 7478 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7479 + " system app"); 7480 } 7481 } 7482 } 7483 } 7484 return numberOfAppsInstalled; 7485 } catch (RemoteException e) { 7486 // shouldn't happen 7487 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7488 return 0; 7489 } finally { 7490 mInjector.binderRestoreCallingIdentity(id); 7491 } 7492 } 7493 } 7494 7495 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7496 throws RemoteException { 7497 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 7498 userId); 7499 if (appInfo == null) { 7500 throw new IllegalArgumentException("The application " + packageName + 7501 " is not present on this device"); 7502 } 7503 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7504 } 7505 7506 @Override 7507 public void setAccountManagementDisabled(ComponentName who, String accountType, 7508 boolean disabled) { 7509 if (!mHasFeature) { 7510 return; 7511 } 7512 Preconditions.checkNotNull(who, "ComponentName is null"); 7513 synchronized (this) { 7514 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7515 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7516 if (disabled) { 7517 ap.accountTypesWithManagementDisabled.add(accountType); 7518 } else { 7519 ap.accountTypesWithManagementDisabled.remove(accountType); 7520 } 7521 saveSettingsLocked(UserHandle.getCallingUserId()); 7522 } 7523 } 7524 7525 @Override 7526 public String[] getAccountTypesWithManagementDisabled() { 7527 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7528 } 7529 7530 @Override 7531 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7532 enforceFullCrossUsersPermission(userId); 7533 if (!mHasFeature) { 7534 return null; 7535 } 7536 synchronized (this) { 7537 DevicePolicyData policy = getUserData(userId); 7538 final int N = policy.mAdminList.size(); 7539 ArraySet<String> resultSet = new ArraySet<>(); 7540 for (int i = 0; i < N; i++) { 7541 ActiveAdmin admin = policy.mAdminList.get(i); 7542 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7543 } 7544 return resultSet.toArray(new String[resultSet.size()]); 7545 } 7546 } 7547 7548 @Override 7549 public void setUninstallBlocked(ComponentName who, String packageName, 7550 boolean uninstallBlocked) { 7551 Preconditions.checkNotNull(who, "ComponentName is null"); 7552 final int userId = UserHandle.getCallingUserId(); 7553 synchronized (this) { 7554 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7555 7556 long id = mInjector.binderClearCallingIdentity(); 7557 try { 7558 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7559 } catch (RemoteException re) { 7560 // Shouldn't happen. 7561 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7562 } finally { 7563 mInjector.binderRestoreCallingIdentity(id); 7564 } 7565 } 7566 } 7567 7568 @Override 7569 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7570 // This function should return true if and only if the package is blocked by 7571 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7572 // when the package is a system app, or when it is an active device admin. 7573 final int userId = UserHandle.getCallingUserId(); 7574 7575 synchronized (this) { 7576 if (who != null) { 7577 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7578 } 7579 7580 long id = mInjector.binderClearCallingIdentity(); 7581 try { 7582 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7583 } catch (RemoteException re) { 7584 // Shouldn't happen. 7585 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7586 } finally { 7587 mInjector.binderRestoreCallingIdentity(id); 7588 } 7589 } 7590 return false; 7591 } 7592 7593 @Override 7594 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7595 if (!mHasFeature) { 7596 return; 7597 } 7598 Preconditions.checkNotNull(who, "ComponentName is null"); 7599 synchronized (this) { 7600 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7601 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7602 if (admin.disableCallerId != disabled) { 7603 admin.disableCallerId = disabled; 7604 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7605 } 7606 } 7607 } 7608 7609 @Override 7610 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7611 if (!mHasFeature) { 7612 return false; 7613 } 7614 Preconditions.checkNotNull(who, "ComponentName is null"); 7615 synchronized (this) { 7616 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7617 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7618 return admin.disableCallerId; 7619 } 7620 } 7621 7622 @Override 7623 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 7624 enforceCrossUsersPermission(userId); 7625 synchronized (this) { 7626 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7627 return (admin != null) ? admin.disableCallerId : false; 7628 } 7629 } 7630 7631 @Override 7632 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 7633 if (!mHasFeature) { 7634 return; 7635 } 7636 Preconditions.checkNotNull(who, "ComponentName is null"); 7637 synchronized (this) { 7638 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7639 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7640 if (admin.disableContactsSearch != disabled) { 7641 admin.disableContactsSearch = disabled; 7642 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7643 } 7644 } 7645 } 7646 7647 @Override 7648 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 7649 if (!mHasFeature) { 7650 return false; 7651 } 7652 Preconditions.checkNotNull(who, "ComponentName is null"); 7653 synchronized (this) { 7654 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7655 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7656 return admin.disableContactsSearch; 7657 } 7658 } 7659 7660 @Override 7661 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 7662 enforceCrossUsersPermission(userId); 7663 synchronized (this) { 7664 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7665 return (admin != null) ? admin.disableContactsSearch : false; 7666 } 7667 } 7668 7669 @Override 7670 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 7671 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 7672 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 7673 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 7674 final int callingUserId = UserHandle.getCallingUserId(); 7675 7676 final long ident = mInjector.binderClearCallingIdentity(); 7677 try { 7678 synchronized (this) { 7679 final int managedUserId = getManagedUserId(callingUserId); 7680 if (managedUserId < 0) { 7681 return; 7682 } 7683 if (isCrossProfileQuickContactDisabled(managedUserId)) { 7684 if (VERBOSE_LOG) { 7685 Log.v(LOG_TAG, 7686 "Cross-profile contacts access disabled for user " + managedUserId); 7687 } 7688 return; 7689 } 7690 ContactsInternal.startQuickContactWithErrorToastForUser( 7691 mContext, intent, new UserHandle(managedUserId)); 7692 } 7693 } finally { 7694 mInjector.binderRestoreCallingIdentity(ident); 7695 } 7696 } 7697 7698 /** 7699 * @return true if cross-profile QuickContact is disabled 7700 */ 7701 private boolean isCrossProfileQuickContactDisabled(int userId) { 7702 return getCrossProfileCallerIdDisabledForUser(userId) 7703 && getCrossProfileContactsSearchDisabledForUser(userId); 7704 } 7705 7706 /** 7707 * @return the user ID of the managed user that is linked to the current user, if any. 7708 * Otherwise -1. 7709 */ 7710 public int getManagedUserId(int callingUserId) { 7711 if (VERBOSE_LOG) { 7712 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 7713 } 7714 7715 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 7716 if (ui.id == callingUserId || !ui.isManagedProfile()) { 7717 continue; // Caller user self, or not a managed profile. Skip. 7718 } 7719 if (VERBOSE_LOG) { 7720 Log.v(LOG_TAG, "Managed user=" + ui.id); 7721 } 7722 return ui.id; 7723 } 7724 if (VERBOSE_LOG) { 7725 Log.v(LOG_TAG, "Managed user not found."); 7726 } 7727 return -1; 7728 } 7729 7730 @Override 7731 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 7732 if (!mHasFeature) { 7733 return; 7734 } 7735 Preconditions.checkNotNull(who, "ComponentName is null"); 7736 synchronized (this) { 7737 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7738 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7739 if (admin.disableBluetoothContactSharing != disabled) { 7740 admin.disableBluetoothContactSharing = disabled; 7741 saveSettingsLocked(UserHandle.getCallingUserId()); 7742 } 7743 } 7744 } 7745 7746 @Override 7747 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 7748 if (!mHasFeature) { 7749 return false; 7750 } 7751 Preconditions.checkNotNull(who, "ComponentName is null"); 7752 synchronized (this) { 7753 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7754 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7755 return admin.disableBluetoothContactSharing; 7756 } 7757 } 7758 7759 @Override 7760 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 7761 // TODO: Should there be a check to make sure this relationship is 7762 // within a profile group? 7763 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 7764 synchronized (this) { 7765 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7766 return (admin != null) ? admin.disableBluetoothContactSharing : false; 7767 } 7768 } 7769 7770 /** 7771 * Sets which packages may enter lock task mode. 7772 * 7773 * <p>This function can only be called by the device owner or alternatively by the profile owner 7774 * in case the user is affiliated. 7775 * 7776 * @param packages The list of packages allowed to enter lock task mode. 7777 */ 7778 @Override 7779 public void setLockTaskPackages(ComponentName who, String[] packages) 7780 throws SecurityException { 7781 Preconditions.checkNotNull(who, "ComponentName is null"); 7782 synchronized (this) { 7783 ActiveAdmin deviceOwner = getActiveAdminWithPolicyForUidLocked( 7784 who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, mInjector.binderGetCallingUid()); 7785 ActiveAdmin profileOwner = getActiveAdminWithPolicyForUidLocked( 7786 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()); 7787 if (deviceOwner != null || (profileOwner != null && isAffiliatedUser())) { 7788 int userHandle = mInjector.userHandleGetCallingUserId(); 7789 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 7790 } else { 7791 throw new SecurityException("Admin " + who + 7792 " is neither the device owner or affiliated user's profile owner."); 7793 } 7794 } 7795 } 7796 7797 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 7798 DevicePolicyData policy = getUserData(userHandle); 7799 policy.mLockTaskPackages = packages; 7800 7801 // Store the settings persistently. 7802 saveSettingsLocked(userHandle); 7803 updateLockTaskPackagesLocked(packages, userHandle); 7804 } 7805 7806 /** 7807 * This function returns the list of components allowed to start the task lock mode. 7808 */ 7809 @Override 7810 public String[] getLockTaskPackages(ComponentName who) { 7811 Preconditions.checkNotNull(who, "ComponentName is null"); 7812 synchronized (this) { 7813 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7814 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7815 final List<String> packages = getLockTaskPackagesLocked(userHandle); 7816 return packages.toArray(new String[packages.size()]); 7817 } 7818 } 7819 7820 private List<String> getLockTaskPackagesLocked(int userHandle) { 7821 final DevicePolicyData policy = getUserData(userHandle); 7822 return policy.mLockTaskPackages; 7823 } 7824 7825 /** 7826 * This function lets the caller know whether the given package is allowed to start the 7827 * lock task mode. 7828 * @param pkg The package to check 7829 */ 7830 @Override 7831 public boolean isLockTaskPermitted(String pkg) { 7832 // Get current user's devicepolicy 7833 int uid = mInjector.binderGetCallingUid(); 7834 int userHandle = UserHandle.getUserId(uid); 7835 DevicePolicyData policy = getUserData(userHandle); 7836 synchronized (this) { 7837 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 7838 String lockTaskPackage = policy.mLockTaskPackages.get(i); 7839 7840 // If the given package equals one of the packages stored our list, 7841 // we allow this package to start lock task mode. 7842 if (lockTaskPackage.equals(pkg)) { 7843 return true; 7844 } 7845 } 7846 } 7847 return false; 7848 } 7849 7850 @Override 7851 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 7852 if (!isCallerWithSystemUid()) { 7853 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 7854 } 7855 synchronized (this) { 7856 final DevicePolicyData policy = getUserData(userHandle); 7857 Bundle adminExtras = new Bundle(); 7858 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 7859 for (ActiveAdmin admin : policy.mAdminList) { 7860 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 7861 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 7862 if (ownsDevice || ownsProfile) { 7863 if (isEnabled) { 7864 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 7865 adminExtras, null); 7866 } else { 7867 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 7868 } 7869 } 7870 } 7871 } 7872 } 7873 7874 @Override 7875 public void setGlobalSetting(ComponentName who, String setting, String value) { 7876 Preconditions.checkNotNull(who, "ComponentName is null"); 7877 7878 synchronized (this) { 7879 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7880 7881 // Some settings are no supported any more. However we do not want to throw a 7882 // SecurityException to avoid breaking apps. 7883 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 7884 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 7885 return; 7886 } 7887 7888 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 7889 throw new SecurityException(String.format( 7890 "Permission denial: device owners cannot update %1$s", setting)); 7891 } 7892 7893 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 7894 // ignore if it contradicts an existing policy 7895 long timeMs = getMaximumTimeToLock( 7896 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 7897 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 7898 return; 7899 } 7900 } 7901 7902 long id = mInjector.binderClearCallingIdentity(); 7903 try { 7904 mInjector.settingsGlobalPutString(setting, value); 7905 } finally { 7906 mInjector.binderRestoreCallingIdentity(id); 7907 } 7908 } 7909 } 7910 7911 @Override 7912 public void setSecureSetting(ComponentName who, String setting, String value) { 7913 Preconditions.checkNotNull(who, "ComponentName is null"); 7914 int callingUserId = mInjector.userHandleGetCallingUserId(); 7915 7916 synchronized (this) { 7917 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7918 7919 if (isDeviceOwner(who, callingUserId)) { 7920 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 7921 throw new SecurityException(String.format( 7922 "Permission denial: Device owners cannot update %1$s", setting)); 7923 } 7924 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 7925 throw new SecurityException(String.format( 7926 "Permission denial: Profile owners cannot update %1$s", setting)); 7927 } 7928 7929 long id = mInjector.binderClearCallingIdentity(); 7930 try { 7931 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 7932 } finally { 7933 mInjector.binderRestoreCallingIdentity(id); 7934 } 7935 } 7936 } 7937 7938 @Override 7939 public void setMasterVolumeMuted(ComponentName who, boolean on) { 7940 Preconditions.checkNotNull(who, "ComponentName is null"); 7941 synchronized (this) { 7942 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7943 int userId = UserHandle.getCallingUserId(); 7944 long identity = mInjector.binderClearCallingIdentity(); 7945 try { 7946 IAudioService iAudioService = IAudioService.Stub.asInterface( 7947 ServiceManager.getService(Context.AUDIO_SERVICE)); 7948 iAudioService.setMasterMute(on, 0, mContext.getPackageName(), userId); 7949 } catch (RemoteException re) { 7950 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 7951 } finally { 7952 mInjector.binderRestoreCallingIdentity(identity); 7953 } 7954 } 7955 } 7956 7957 @Override 7958 public boolean isMasterVolumeMuted(ComponentName who) { 7959 Preconditions.checkNotNull(who, "ComponentName is null"); 7960 synchronized (this) { 7961 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7962 7963 AudioManager audioManager = 7964 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 7965 return audioManager.isMasterMute(); 7966 } 7967 } 7968 7969 @Override 7970 public void setUserIcon(ComponentName who, Bitmap icon) { 7971 synchronized (this) { 7972 Preconditions.checkNotNull(who, "ComponentName is null"); 7973 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7974 7975 int userId = UserHandle.getCallingUserId(); 7976 long id = mInjector.binderClearCallingIdentity(); 7977 try { 7978 mUserManagerInternal.setUserIcon(userId, icon); 7979 } finally { 7980 mInjector.binderRestoreCallingIdentity(id); 7981 } 7982 } 7983 } 7984 7985 @Override 7986 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 7987 Preconditions.checkNotNull(who, "ComponentName is null"); 7988 synchronized (this) { 7989 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7990 } 7991 final int userId = UserHandle.getCallingUserId(); 7992 7993 long ident = mInjector.binderClearCallingIdentity(); 7994 try { 7995 // disallow disabling the keyguard if a password is currently set 7996 if (disabled && mLockPatternUtils.isSecure(userId)) { 7997 return false; 7998 } 7999 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8000 } finally { 8001 mInjector.binderRestoreCallingIdentity(ident); 8002 } 8003 return true; 8004 } 8005 8006 @Override 8007 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8008 int userId = UserHandle.getCallingUserId(); 8009 synchronized (this) { 8010 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8011 DevicePolicyData policy = getUserData(userId); 8012 if (policy.mStatusBarDisabled != disabled) { 8013 if (!setStatusBarDisabledInternal(disabled, userId)) { 8014 return false; 8015 } 8016 policy.mStatusBarDisabled = disabled; 8017 saveSettingsLocked(userId); 8018 } 8019 } 8020 return true; 8021 } 8022 8023 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8024 long ident = mInjector.binderClearCallingIdentity(); 8025 try { 8026 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8027 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8028 if (statusBarService != null) { 8029 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8030 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8031 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8032 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8033 return true; 8034 } 8035 } catch (RemoteException e) { 8036 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8037 } finally { 8038 mInjector.binderRestoreCallingIdentity(ident); 8039 } 8040 return false; 8041 } 8042 8043 /** 8044 * We need to update the internal state of whether a user has completed setup once. After 8045 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 8046 * as we don't trust any apps that might try to reset it. 8047 * <p> 8048 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8049 * them. 8050 */ 8051 void updateUserSetupComplete() { 8052 List<UserInfo> users = mUserManager.getUsers(true); 8053 final int N = users.size(); 8054 for (int i = 0; i < N; i++) { 8055 int userHandle = users.get(i).id; 8056 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8057 userHandle) != 0) { 8058 DevicePolicyData policy = getUserData(userHandle); 8059 if (!policy.mUserSetupComplete) { 8060 policy.mUserSetupComplete = true; 8061 synchronized (this) { 8062 saveSettingsLocked(userHandle); 8063 } 8064 } 8065 } 8066 } 8067 } 8068 8069 private class SetupContentObserver extends ContentObserver { 8070 8071 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8072 Settings.Secure.USER_SETUP_COMPLETE); 8073 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8074 Settings.Global.DEVICE_PROVISIONED); 8075 8076 public SetupContentObserver(Handler handler) { 8077 super(handler); 8078 } 8079 8080 void register() { 8081 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8082 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8083 } 8084 8085 @Override 8086 public void onChange(boolean selfChange, Uri uri) { 8087 if (mUserSetupComplete.equals(uri)) { 8088 updateUserSetupComplete(); 8089 } else if (mDeviceProvisioned.equals(uri)) { 8090 synchronized (DevicePolicyManagerService.this) { 8091 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8092 // is delayed until device is marked as provisioned. 8093 setDeviceOwnerSystemPropertyLocked(); 8094 } 8095 } 8096 } 8097 } 8098 8099 @VisibleForTesting 8100 final class LocalService extends DevicePolicyManagerInternal { 8101 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8102 8103 @Override 8104 public List<String> getCrossProfileWidgetProviders(int profileId) { 8105 synchronized (DevicePolicyManagerService.this) { 8106 if (mOwners == null) { 8107 return Collections.emptyList(); 8108 } 8109 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8110 if (ownerComponent == null) { 8111 return Collections.emptyList(); 8112 } 8113 8114 DevicePolicyData policy = getUserDataUnchecked(profileId); 8115 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8116 8117 if (admin == null || admin.crossProfileWidgetProviders == null 8118 || admin.crossProfileWidgetProviders.isEmpty()) { 8119 return Collections.emptyList(); 8120 } 8121 8122 return admin.crossProfileWidgetProviders; 8123 } 8124 } 8125 8126 @Override 8127 public void addOnCrossProfileWidgetProvidersChangeListener( 8128 OnCrossProfileWidgetProvidersChangeListener listener) { 8129 synchronized (DevicePolicyManagerService.this) { 8130 if (mWidgetProviderListeners == null) { 8131 mWidgetProviderListeners = new ArrayList<>(); 8132 } 8133 if (!mWidgetProviderListeners.contains(listener)) { 8134 mWidgetProviderListeners.add(listener); 8135 } 8136 } 8137 } 8138 8139 @Override 8140 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8141 synchronized(DevicePolicyManagerService.this) { 8142 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8143 } 8144 } 8145 8146 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8147 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8148 synchronized (DevicePolicyManagerService.this) { 8149 listeners = new ArrayList<>(mWidgetProviderListeners); 8150 } 8151 final int listenerCount = listeners.size(); 8152 for (int i = 0; i < listenerCount; i++) { 8153 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8154 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8155 } 8156 } 8157 8158 @Override 8159 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 8160 // This method is called from AM with its lock held, so don't take the DPMS lock. 8161 // b/29242568 8162 8163 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8164 if (profileOwner != null) { 8165 return createShowAdminSupportIntent(profileOwner, userId); 8166 } 8167 8168 final Pair<Integer, ComponentName> deviceOwner = 8169 mOwners.getDeviceOwnerUserIdAndComponent(); 8170 if (deviceOwner != null && deviceOwner.first == userId) { 8171 return createShowAdminSupportIntent(deviceOwner.second, userId); 8172 } 8173 8174 // We're not specifying the device admin because there isn't one. 8175 if (useDefaultIfNoAdmin) { 8176 return createShowAdminSupportIntent(null, userId); 8177 } 8178 return null; 8179 } 8180 8181 @Override 8182 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 8183 int source; 8184 long ident = mInjector.binderClearCallingIdentity(); 8185 try { 8186 source = mUserManager.getUserRestrictionSource(userRestriction, 8187 UserHandle.of(userId)); 8188 } finally { 8189 mInjector.binderRestoreCallingIdentity(ident); 8190 } 8191 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 8192 /* 8193 * In this case, the user restriction is enforced by the system. 8194 * So we won't show an admin support intent, even if it is also 8195 * enforced by a profile/device owner. 8196 */ 8197 return null; 8198 } 8199 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 8200 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 8201 if (enforcedByDo && enforcedByPo) { 8202 // In this case, we'll show an admin support dialog that does not 8203 // specify the admin. 8204 return createShowAdminSupportIntent(null, userId); 8205 } else if (enforcedByPo) { 8206 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8207 if (profileOwner != null) { 8208 return createShowAdminSupportIntent(profileOwner, userId); 8209 } 8210 // This could happen if another thread has changed the profile owner since we called 8211 // getUserRestrictionSource 8212 return null; 8213 } else if (enforcedByDo) { 8214 final Pair<Integer, ComponentName> deviceOwner 8215 = mOwners.getDeviceOwnerUserIdAndComponent(); 8216 if (deviceOwner != null) { 8217 return createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 8218 } 8219 // This could happen if another thread has changed the device owner since we called 8220 // getUserRestrictionSource 8221 return null; 8222 } 8223 return null; 8224 } 8225 8226 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 8227 // This method is called with AMS lock held, so don't take DPMS lock 8228 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8229 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8230 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 8231 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8232 return intent; 8233 } 8234 } 8235 8236 /** 8237 * Returns true if specified admin is allowed to limit passwords and has a 8238 * {@code passwordQuality} of at least {@code minPasswordQuality} 8239 */ 8240 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8241 if (admin.passwordQuality < minPasswordQuality) { 8242 return false; 8243 } 8244 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8245 } 8246 8247 @Override 8248 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8249 if (policy != null && !policy.isValid()) { 8250 throw new IllegalArgumentException("Invalid system update policy."); 8251 } 8252 synchronized (this) { 8253 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8254 if (policy == null) { 8255 mOwners.clearSystemUpdatePolicy(); 8256 } else { 8257 mOwners.setSystemUpdatePolicy(policy); 8258 } 8259 mOwners.writeDeviceOwner(); 8260 } 8261 mContext.sendBroadcastAsUser( 8262 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8263 UserHandle.SYSTEM); 8264 } 8265 8266 @Override 8267 public SystemUpdatePolicy getSystemUpdatePolicy() { 8268 if (UserManager.isDeviceInDemoMode(mContext)) { 8269 // Pretending to have an automatic update policy when the device is in retail demo 8270 // mode. This will allow the device to download and install an ota without 8271 // any user interaction. 8272 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 8273 } 8274 synchronized (this) { 8275 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8276 if (policy != null && !policy.isValid()) { 8277 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8278 return null; 8279 } 8280 return policy; 8281 } 8282 } 8283 8284 /** 8285 * Checks if the caller of the method is the device owner app. 8286 * 8287 * @param callerUid UID of the caller. 8288 * @return true if the caller is the device owner app 8289 */ 8290 @VisibleForTesting 8291 boolean isCallerDeviceOwner(int callerUid) { 8292 synchronized (this) { 8293 if (!mOwners.hasDeviceOwner()) { 8294 return false; 8295 } 8296 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8297 return false; 8298 } 8299 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8300 .getPackageName(); 8301 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 8302 8303 for (String pkg : pkgs) { 8304 if (deviceOwnerPackageName.equals(pkg)) { 8305 return true; 8306 } 8307 } 8308 } 8309 8310 return false; 8311 } 8312 8313 @Override 8314 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8315 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8316 "Only the system update service can broadcast update information"); 8317 8318 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8319 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8320 "can broadcast update information."); 8321 return; 8322 } 8323 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8324 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8325 updateReceivedTime); 8326 8327 synchronized (this) { 8328 final String deviceOwnerPackage = 8329 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 8330 : null; 8331 if (deviceOwnerPackage == null) { 8332 return; 8333 } 8334 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 8335 8336 ActivityInfo[] receivers = null; 8337 try { 8338 receivers = mContext.getPackageManager().getPackageInfo( 8339 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 8340 } catch (NameNotFoundException e) { 8341 Log.e(LOG_TAG, "Cannot find device owner package", e); 8342 } 8343 if (receivers != null) { 8344 long ident = mInjector.binderClearCallingIdentity(); 8345 try { 8346 for (int i = 0; i < receivers.length; i++) { 8347 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 8348 intent.setComponent(new ComponentName(deviceOwnerPackage, 8349 receivers[i].name)); 8350 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8351 } 8352 } 8353 } finally { 8354 mInjector.binderRestoreCallingIdentity(ident); 8355 } 8356 } 8357 } 8358 } 8359 8360 @Override 8361 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8362 int userId = UserHandle.getCallingUserId(); 8363 synchronized (this) { 8364 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8365 DevicePolicyData userPolicy = getUserData(userId); 8366 if (userPolicy.mPermissionPolicy != policy) { 8367 userPolicy.mPermissionPolicy = policy; 8368 saveSettingsLocked(userId); 8369 } 8370 } 8371 } 8372 8373 @Override 8374 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8375 int userId = UserHandle.getCallingUserId(); 8376 synchronized (this) { 8377 DevicePolicyData userPolicy = getUserData(userId); 8378 return userPolicy.mPermissionPolicy; 8379 } 8380 } 8381 8382 @Override 8383 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8384 String permission, int grantState) throws RemoteException { 8385 UserHandle user = mInjector.binderGetCallingUserHandle(); 8386 synchronized (this) { 8387 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8388 long ident = mInjector.binderClearCallingIdentity(); 8389 try { 8390 if (getTargetSdk(packageName, user.getIdentifier()) 8391 < android.os.Build.VERSION_CODES.M) { 8392 return false; 8393 } 8394 final PackageManager packageManager = mContext.getPackageManager(); 8395 switch (grantState) { 8396 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8397 packageManager.grantRuntimePermission(packageName, permission, user); 8398 packageManager.updatePermissionFlags(permission, packageName, 8399 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8400 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8401 } break; 8402 8403 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8404 packageManager.revokeRuntimePermission(packageName, 8405 permission, user); 8406 packageManager.updatePermissionFlags(permission, packageName, 8407 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8408 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8409 } break; 8410 8411 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8412 packageManager.updatePermissionFlags(permission, packageName, 8413 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8414 } break; 8415 } 8416 return true; 8417 } catch (SecurityException se) { 8418 return false; 8419 } finally { 8420 mInjector.binderRestoreCallingIdentity(ident); 8421 } 8422 } 8423 } 8424 8425 @Override 8426 public int getPermissionGrantState(ComponentName admin, String packageName, 8427 String permission) throws RemoteException { 8428 PackageManager packageManager = mContext.getPackageManager(); 8429 8430 UserHandle user = mInjector.binderGetCallingUserHandle(); 8431 synchronized (this) { 8432 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8433 long ident = mInjector.binderClearCallingIdentity(); 8434 try { 8435 int granted = mIPackageManager.checkPermission(permission, 8436 packageName, user.getIdentifier()); 8437 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8438 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8439 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8440 // Not controlled by policy 8441 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8442 } else { 8443 // Policy controlled so return result based on permission grant state 8444 return granted == PackageManager.PERMISSION_GRANTED 8445 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8446 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8447 } 8448 } finally { 8449 mInjector.binderRestoreCallingIdentity(ident); 8450 } 8451 } 8452 } 8453 8454 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8455 try { 8456 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8457 userHandle); 8458 return (pi != null) && (pi.applicationInfo.flags != 0); 8459 } catch (RemoteException re) { 8460 throw new RuntimeException("Package manager has died", re); 8461 } 8462 } 8463 8464 @Override 8465 public boolean isProvisioningAllowed(String action) { 8466 if (!mHasFeature) { 8467 return false; 8468 } 8469 8470 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8471 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 8472 if (!hasFeatureManagedUsers()) { 8473 return false; 8474 } 8475 synchronized (this) { 8476 if (mOwners.hasDeviceOwner()) { 8477 if (!mInjector.userManagerIsSplitSystemUser()) { 8478 // Only split-system-user systems support managed-profiles in combination with 8479 // device-owner. 8480 return false; 8481 } 8482 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 8483 // Only system device-owner supports managed-profiles. Non-system device-owner 8484 // doesn't. 8485 return false; 8486 } 8487 if (callingUserId == UserHandle.USER_SYSTEM) { 8488 // Managed-profiles cannot be setup on the system user, only regular users. 8489 return false; 8490 } 8491 } 8492 } 8493 if (getProfileOwner(callingUserId) != null) { 8494 // Managed user cannot have a managed profile. 8495 return false; 8496 } 8497 final long ident = mInjector.binderClearCallingIdentity(); 8498 try { 8499 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 8500 return false; 8501 } 8502 } finally { 8503 mInjector.binderRestoreCallingIdentity(ident); 8504 } 8505 return true; 8506 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 8507 return isDeviceOwnerProvisioningAllowed(callingUserId); 8508 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 8509 if (!hasFeatureManagedUsers()) { 8510 return false; 8511 } 8512 if (!mInjector.userManagerIsSplitSystemUser()) { 8513 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 8514 return false; 8515 } 8516 if (callingUserId == UserHandle.USER_SYSTEM) { 8517 // System user cannot be a managed user. 8518 return false; 8519 } 8520 if (hasUserSetupCompleted(callingUserId)) { 8521 return false; 8522 } 8523 return true; 8524 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 8525 if (!mInjector.userManagerIsSplitSystemUser()) { 8526 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 8527 return false; 8528 } 8529 return isDeviceOwnerProvisioningAllowed(callingUserId); 8530 } 8531 throw new IllegalArgumentException("Unknown provisioning action " + action); 8532 } 8533 8534 /* 8535 * The device owner can only be set before the setup phase of the primary user has completed, 8536 * except for adb command if no accounts or additional users are present on the device. 8537 */ 8538 private synchronized @DeviceOwnerPreConditionCode int checkSetDeviceOwnerPreCondition( 8539 int deviceOwnerUserId, boolean isAdb) { 8540 if (mOwners.hasDeviceOwner()) { 8541 return CODE_HAS_DEVICE_OWNER; 8542 } 8543 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8544 return CODE_USER_HAS_PROFILE_OWNER; 8545 } 8546 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8547 return CODE_USER_NOT_RUNNING; 8548 } 8549 if (isAdb) { 8550 // if shell command runs after user setup completed check device status. Otherwise, OK. 8551 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8552 if (!mInjector.userManagerIsSplitSystemUser()) { 8553 if (mUserManager.getUserCount() > 1) { 8554 return CODE_NONSYSTEM_USER_EXISTS; 8555 } 8556 if (AccountManager.get(mContext).getAccounts().length > 0) { 8557 return CODE_ACCOUNTS_NOT_EMPTY; 8558 } 8559 } else { 8560 // STOPSHIP Do proper check in split user mode 8561 } 8562 } 8563 return CODE_OK; 8564 } else { 8565 if (!mInjector.userManagerIsSplitSystemUser()) { 8566 // In non-split user mode, DO has to be user 0 8567 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8568 return CODE_NOT_SYSTEM_USER; 8569 } 8570 // In non-split user mode, only provision DO before setup wizard completes 8571 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8572 return CODE_USER_SETUP_COMPLETED; 8573 } 8574 } else { 8575 // STOPSHIP Do proper check in split user mode 8576 } 8577 return CODE_OK; 8578 } 8579 } 8580 8581 private boolean isDeviceOwnerProvisioningAllowed(int deviceOwnerUserId) { 8582 return CODE_OK == checkSetDeviceOwnerPreCondition(deviceOwnerUserId, /* isAdb */ false); 8583 } 8584 8585 private boolean hasFeatureManagedUsers() { 8586 try { 8587 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 8588 } catch (RemoteException e) { 8589 return false; 8590 } 8591 } 8592 8593 @Override 8594 public String getWifiMacAddress(ComponentName admin) { 8595 // Make sure caller has DO. 8596 synchronized (this) { 8597 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8598 } 8599 8600 final long ident = mInjector.binderClearCallingIdentity(); 8601 try { 8602 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 8603 if (wifiInfo == null) { 8604 return null; 8605 } 8606 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 8607 } finally { 8608 mInjector.binderRestoreCallingIdentity(ident); 8609 } 8610 } 8611 8612 /** 8613 * Returns the target sdk version number that the given packageName was built for 8614 * in the given user. 8615 */ 8616 private int getTargetSdk(String packageName, int userId) { 8617 final ApplicationInfo ai; 8618 try { 8619 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 8620 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 8621 return targetSdkVersion; 8622 } catch (RemoteException e) { 8623 // Shouldn't happen 8624 return 0; 8625 } 8626 } 8627 8628 @Override 8629 public boolean isManagedProfile(ComponentName admin) { 8630 synchronized (this) { 8631 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8632 } 8633 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8634 final UserInfo user = getUserInfo(callingUserId); 8635 return user != null && user.isManagedProfile(); 8636 } 8637 8638 @Override 8639 public boolean isSystemOnlyUser(ComponentName admin) { 8640 synchronized (this) { 8641 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8642 } 8643 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8644 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 8645 } 8646 8647 @Override 8648 public void reboot(ComponentName admin) { 8649 Preconditions.checkNotNull(admin); 8650 // Make sure caller has DO. 8651 synchronized (this) { 8652 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8653 } 8654 long ident = mInjector.binderClearCallingIdentity(); 8655 try { 8656 // Make sure there are no ongoing calls on the device. 8657 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 8658 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 8659 } 8660 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 8661 } finally { 8662 mInjector.binderRestoreCallingIdentity(ident); 8663 } 8664 } 8665 8666 @Override 8667 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 8668 if (!mHasFeature) { 8669 return; 8670 } 8671 Preconditions.checkNotNull(who, "ComponentName is null"); 8672 final int userHandle = mInjector.userHandleGetCallingUserId(); 8673 synchronized (this) { 8674 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8675 mInjector.binderGetCallingUid()); 8676 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 8677 admin.shortSupportMessage = message; 8678 saveSettingsLocked(userHandle); 8679 } 8680 } 8681 } 8682 8683 @Override 8684 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 8685 if (!mHasFeature) { 8686 return null; 8687 } 8688 Preconditions.checkNotNull(who, "ComponentName is null"); 8689 synchronized (this) { 8690 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8691 mInjector.binderGetCallingUid()); 8692 return admin.shortSupportMessage; 8693 } 8694 } 8695 8696 @Override 8697 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 8698 if (!mHasFeature) { 8699 return; 8700 } 8701 Preconditions.checkNotNull(who, "ComponentName is null"); 8702 final int userHandle = mInjector.userHandleGetCallingUserId(); 8703 synchronized (this) { 8704 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8705 mInjector.binderGetCallingUid()); 8706 if (!TextUtils.equals(admin.longSupportMessage, message)) { 8707 admin.longSupportMessage = message; 8708 saveSettingsLocked(userHandle); 8709 } 8710 } 8711 } 8712 8713 @Override 8714 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 8715 if (!mHasFeature) { 8716 return null; 8717 } 8718 Preconditions.checkNotNull(who, "ComponentName is null"); 8719 synchronized (this) { 8720 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8721 mInjector.binderGetCallingUid()); 8722 return admin.longSupportMessage; 8723 } 8724 } 8725 8726 @Override 8727 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8728 if (!mHasFeature) { 8729 return null; 8730 } 8731 Preconditions.checkNotNull(who, "ComponentName is null"); 8732 if (!isCallerWithSystemUid()) { 8733 throw new SecurityException("Only the system can query support message for user"); 8734 } 8735 synchronized (this) { 8736 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8737 if (admin != null) { 8738 return admin.shortSupportMessage; 8739 } 8740 } 8741 return null; 8742 } 8743 8744 @Override 8745 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8746 if (!mHasFeature) { 8747 return null; 8748 } 8749 Preconditions.checkNotNull(who, "ComponentName is null"); 8750 if (!isCallerWithSystemUid()) { 8751 throw new SecurityException("Only the system can query support message for user"); 8752 } 8753 synchronized (this) { 8754 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8755 if (admin != null) { 8756 return admin.longSupportMessage; 8757 } 8758 } 8759 return null; 8760 } 8761 8762 @Override 8763 public void setOrganizationColor(@NonNull ComponentName who, int color) { 8764 if (!mHasFeature) { 8765 return; 8766 } 8767 Preconditions.checkNotNull(who, "ComponentName is null"); 8768 final int userHandle = mInjector.userHandleGetCallingUserId(); 8769 enforceManagedProfile(userHandle, "set organization color"); 8770 synchronized (this) { 8771 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8772 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8773 admin.organizationColor = color; 8774 saveSettingsLocked(userHandle); 8775 } 8776 } 8777 8778 @Override 8779 public void setOrganizationColorForUser(int color, int userId) { 8780 if (!mHasFeature) { 8781 return; 8782 } 8783 enforceFullCrossUsersPermission(userId); 8784 enforceManageUsers(); 8785 enforceManagedProfile(userId, "set organization color"); 8786 synchronized (this) { 8787 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8788 admin.organizationColor = color; 8789 saveSettingsLocked(userId); 8790 } 8791 } 8792 8793 @Override 8794 public int getOrganizationColor(@NonNull ComponentName who) { 8795 if (!mHasFeature) { 8796 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8797 } 8798 Preconditions.checkNotNull(who, "ComponentName is null"); 8799 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 8800 synchronized (this) { 8801 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8802 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8803 return admin.organizationColor; 8804 } 8805 } 8806 8807 @Override 8808 public int getOrganizationColorForUser(int userHandle) { 8809 if (!mHasFeature) { 8810 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8811 } 8812 enforceFullCrossUsersPermission(userHandle); 8813 enforceManagedProfile(userHandle, "get organization color"); 8814 synchronized (this) { 8815 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8816 return (profileOwner != null) 8817 ? profileOwner.organizationColor 8818 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 8819 } 8820 } 8821 8822 @Override 8823 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 8824 if (!mHasFeature) { 8825 return; 8826 } 8827 Preconditions.checkNotNull(who, "ComponentName is null"); 8828 final int userHandle = mInjector.userHandleGetCallingUserId(); 8829 enforceManagedProfile(userHandle, "set organization name"); 8830 synchronized (this) { 8831 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8832 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8833 if (!TextUtils.equals(admin.organizationName, text)) { 8834 admin.organizationName = (text == null || text.length() == 0) 8835 ? null : text.toString(); 8836 saveSettingsLocked(userHandle); 8837 } 8838 } 8839 } 8840 8841 @Override 8842 public CharSequence getOrganizationName(@NonNull ComponentName who) { 8843 if (!mHasFeature) { 8844 return null; 8845 } 8846 Preconditions.checkNotNull(who, "ComponentName is null"); 8847 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 8848 synchronized(this) { 8849 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8850 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8851 return admin.organizationName; 8852 } 8853 } 8854 8855 @Override 8856 public CharSequence getOrganizationNameForUser(int userHandle) { 8857 if (!mHasFeature) { 8858 return null; 8859 } 8860 enforceFullCrossUsersPermission(userHandle); 8861 enforceManagedProfile(userHandle, "get organization name"); 8862 synchronized (this) { 8863 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8864 return (profileOwner != null) 8865 ? profileOwner.organizationName 8866 : null; 8867 } 8868 } 8869 8870 @Override 8871 public void setAffiliationIds(ComponentName admin, List<String> ids) { 8872 final Set<String> affiliationIds = new ArraySet<String>(ids); 8873 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8874 8875 synchronized (this) { 8876 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8877 getUserData(callingUserId).mAffiliationIds = affiliationIds; 8878 saveSettingsLocked(callingUserId); 8879 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 8880 // Affiliation ids specified by the device owner are additionally stored in 8881 // UserHandle.USER_SYSTEM's DevicePolicyData. 8882 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 8883 saveSettingsLocked(UserHandle.USER_SYSTEM); 8884 } 8885 } 8886 } 8887 8888 @Override 8889 public boolean isAffiliatedUser() { 8890 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8891 8892 synchronized (this) { 8893 if (mOwners.getDeviceOwnerUserId() == callingUserId) { 8894 // The user that the DO is installed on is always affiliated. 8895 return true; 8896 } 8897 final ComponentName profileOwner = getProfileOwner(callingUserId); 8898 if (profileOwner == null 8899 || !profileOwner.getPackageName().equals(mOwners.getDeviceOwnerPackageName())) { 8900 return false; 8901 } 8902 final Set<String> userAffiliationIds = getUserData(callingUserId).mAffiliationIds; 8903 final Set<String> deviceAffiliationIds = 8904 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 8905 for (String id : userAffiliationIds) { 8906 if (deviceAffiliationIds.contains(id)) { 8907 return true; 8908 } 8909 } 8910 } 8911 return false; 8912 } 8913 8914 private synchronized void disableSecurityLoggingIfNotCompliant() { 8915 if (!isDeviceOwnerManagedSingleUserDevice()) { 8916 mInjector.securityLogSetLoggingEnabledProperty(false); 8917 Slog.w(LOG_TAG, "Security logging turned off as it's no longer a single user device."); 8918 } 8919 } 8920 8921 @Override 8922 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 8923 Preconditions.checkNotNull(admin); 8924 ensureDeviceOwnerManagingSingleUser(admin); 8925 8926 synchronized (this) { 8927 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 8928 return; 8929 } 8930 mInjector.securityLogSetLoggingEnabledProperty(enabled); 8931 if (enabled) { 8932 mSecurityLogMonitor.start(); 8933 } else { 8934 mSecurityLogMonitor.stop(); 8935 } 8936 } 8937 } 8938 8939 @Override 8940 public boolean isSecurityLoggingEnabled(ComponentName admin) { 8941 Preconditions.checkNotNull(admin); 8942 synchronized (this) { 8943 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8944 return mInjector.securityLogGetLoggingEnabledProperty(); 8945 } 8946 } 8947 8948 @Override 8949 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 8950 Preconditions.checkNotNull(admin); 8951 ensureDeviceOwnerManagingSingleUser(admin); 8952 8953 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs)) { 8954 return null; 8955 } 8956 8957 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 8958 try { 8959 SecurityLog.readPreviousEvents(output); 8960 return new ParceledListSlice<SecurityEvent>(output); 8961 } catch (IOException e) { 8962 Slog.w(LOG_TAG, "Fail to read previous events" , e); 8963 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 8964 } 8965 } 8966 8967 @Override 8968 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 8969 Preconditions.checkNotNull(admin); 8970 ensureDeviceOwnerManagingSingleUser(admin); 8971 8972 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 8973 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 8974 } 8975 8976 private void enforceCanManageDeviceAdmin() { 8977 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 8978 null); 8979 } 8980 8981 private void enforceCanManageProfileAndDeviceOwners() { 8982 mContext.enforceCallingOrSelfPermission( 8983 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 8984 } 8985 8986 @Override 8987 public boolean isUninstallInQueue(final String packageName) { 8988 enforceCanManageDeviceAdmin(); 8989 final int userId = mInjector.userHandleGetCallingUserId(); 8990 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8991 synchronized (this) { 8992 return mPackagesToRemove.contains(packageUserPair); 8993 } 8994 } 8995 8996 @Override 8997 public void uninstallPackageWithActiveAdmins(final String packageName) { 8998 enforceCanManageDeviceAdmin(); 8999 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 9000 9001 final int userId = mInjector.userHandleGetCallingUserId(); 9002 9003 enforceUserUnlocked(userId); 9004 9005 final ComponentName profileOwner = getProfileOwner(userId); 9006 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 9007 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 9008 } 9009 9010 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 9011 if (getDeviceOwnerUserId() == userId && deviceOwner != null 9012 && packageName.equals(deviceOwner.getPackageName())) { 9013 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 9014 } 9015 9016 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9017 synchronized (this) { 9018 mPackagesToRemove.add(packageUserPair); 9019 } 9020 9021 // All active admins on the user. 9022 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 9023 9024 // Active admins in the target package. 9025 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 9026 if (allActiveAdmins != null) { 9027 for (ComponentName activeAdmin : allActiveAdmins) { 9028 if (packageName.equals(activeAdmin.getPackageName())) { 9029 packageActiveAdmins.add(activeAdmin); 9030 removeActiveAdmin(activeAdmin, userId); 9031 } 9032 } 9033 } 9034 if (packageActiveAdmins.size() == 0) { 9035 startUninstallIntent(packageName, userId); 9036 } else { 9037 mHandler.postDelayed(new Runnable() { 9038 @Override 9039 public void run() { 9040 for (ComponentName activeAdmin : packageActiveAdmins) { 9041 removeAdminArtifacts(activeAdmin, userId); 9042 } 9043 startUninstallIntent(packageName, userId); 9044 } 9045 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 9046 } 9047 } 9048 9049 @Override 9050 public boolean isDeviceProvisioned() { 9051 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 9052 } 9053 9054 private void removePackageIfRequired(final String packageName, final int userId) { 9055 if (!packageHasActiveAdmins(packageName, userId)) { 9056 // Will not do anything if uninstall was not requested or was already started. 9057 startUninstallIntent(packageName, userId); 9058 } 9059 } 9060 9061 private void startUninstallIntent(final String packageName, final int userId) { 9062 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9063 synchronized (this) { 9064 if (!mPackagesToRemove.contains(packageUserPair)) { 9065 // Do nothing if uninstall was not requested or was already started. 9066 return; 9067 } 9068 mPackagesToRemove.remove(packageUserPair); 9069 } 9070 try { 9071 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 9072 // Package does not exist. Nothing to do. 9073 return; 9074 } 9075 } catch (RemoteException re) { 9076 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 9077 } 9078 9079 try { // force stop the package before uninstalling 9080 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 9081 } catch (RemoteException re) { 9082 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 9083 } 9084 final Uri packageURI = Uri.parse("package:" + packageName); 9085 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9086 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9087 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9088 } 9089 9090 /** 9091 * Removes the admin from the policy. Ideally called after the admin's 9092 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9093 * 9094 * @param adminReceiver The admin to remove 9095 * @param userHandle The user for which this admin has to be removed. 9096 */ 9097 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9098 synchronized (this) { 9099 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9100 if (admin == null) { 9101 return; 9102 } 9103 final DevicePolicyData policy = getUserData(userHandle); 9104 final boolean doProxyCleanup = admin.info.usesPolicy( 9105 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9106 policy.mAdminList.remove(admin); 9107 policy.mAdminMap.remove(adminReceiver); 9108 validatePasswordOwnerLocked(policy); 9109 if (doProxyCleanup) { 9110 resetGlobalProxyLocked(policy); 9111 } 9112 saveSettingsLocked(userHandle); 9113 updateMaximumTimeToLockLocked(userHandle); 9114 policy.mRemovingAdmins.remove(adminReceiver); 9115 } 9116 // The removed admin might have disabled camera, so update user 9117 // restrictions. 9118 pushUserRestrictions(userHandle); 9119 } 9120 9121 @Override 9122 public void setDeviceProvisioningConfigApplied() { 9123 enforceManageUsers(); 9124 synchronized (this) { 9125 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9126 policy.mDeviceProvisioningConfigApplied = true; 9127 saveSettingsLocked(UserHandle.USER_SYSTEM); 9128 } 9129 } 9130 9131 @Override 9132 public boolean isDeviceProvisioningConfigApplied() { 9133 enforceManageUsers(); 9134 synchronized (this) { 9135 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9136 return policy.mDeviceProvisioningConfigApplied; 9137 } 9138 } 9139} 9140