DevicePolicyManagerService.java revision 59720bb2a67dae70cd2e46a9f611d66e4a3f7221
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 21import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 25import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 26import static org.xmlpull.v1.XmlPullParser.END_TAG; 27import static org.xmlpull.v1.XmlPullParser.TEXT; 28 29import com.google.android.collect.Sets; 30 31import android.Manifest.permission; 32import android.accessibilityservice.AccessibilityServiceInfo; 33import android.accounts.AccountManager; 34import android.annotation.NonNull; 35import android.app.Activity; 36import android.app.ActivityManager; 37import android.app.ActivityManagerNative; 38import android.app.AlarmManager; 39import android.app.AppGlobals; 40import android.app.IActivityManager; 41import android.app.Notification; 42import android.app.NotificationManager; 43import android.app.PendingIntent; 44import android.app.StatusBarManager; 45import android.app.admin.DeviceAdminInfo; 46import android.app.admin.DeviceAdminReceiver; 47import android.app.admin.DevicePolicyManager; 48import android.app.admin.DevicePolicyManagerInternal; 49import android.app.admin.IDevicePolicyManager; 50import android.app.admin.SystemUpdatePolicy; 51import android.app.backup.IBackupManager; 52import android.content.BroadcastReceiver; 53import android.content.ComponentName; 54import android.content.ContentResolver; 55import android.content.Context; 56import android.content.Intent; 57import android.content.IntentFilter; 58import android.content.pm.ActivityInfo; 59import android.content.pm.ApplicationInfo; 60import android.content.pm.IPackageManager; 61import android.content.pm.PackageInfo; 62import android.content.pm.PackageManager; 63import android.content.pm.PackageManager.NameNotFoundException; 64import android.content.pm.PackageManagerInternal; 65import android.content.pm.ResolveInfo; 66import android.content.pm.ServiceInfo; 67import android.content.pm.UserInfo; 68import android.database.ContentObserver; 69import android.graphics.Bitmap; 70import android.graphics.Color; 71import android.media.AudioManager; 72import android.media.IAudioService; 73import android.net.ConnectivityManager; 74import android.net.ProxyInfo; 75import android.net.Uri; 76import android.net.wifi.WifiInfo; 77import android.net.wifi.WifiManager; 78import android.os.AsyncTask; 79import android.os.Binder; 80import android.os.Build; 81import android.os.Bundle; 82import android.os.Environment; 83import android.os.FileUtils; 84import android.os.Handler; 85import android.os.IBinder; 86import android.os.Looper; 87import android.os.ParcelFileDescriptor; 88import android.os.PersistableBundle; 89import android.os.PowerManager; 90import android.os.PowerManagerInternal; 91import android.os.Process; 92import android.os.RecoverySystem; 93import android.os.RemoteCallback; 94import android.os.RemoteException; 95import android.os.ServiceManager; 96import android.os.SystemClock; 97import android.os.SystemProperties; 98import android.os.UserHandle; 99import android.os.UserManager; 100import android.os.UserManagerInternal; 101import android.os.storage.StorageManager; 102import android.provider.ContactsContract.QuickContact; 103import android.provider.ContactsInternal; 104import android.provider.Settings; 105import android.security.Credentials; 106import android.security.IKeyChainAliasCallback; 107import android.security.IKeyChainService; 108import android.security.KeyChain; 109import android.security.KeyChain.KeyChainConnection; 110import android.service.persistentdata.PersistentDataBlockManager; 111import android.text.TextUtils; 112import android.util.ArrayMap; 113import android.util.ArraySet; 114import android.util.Log; 115import android.util.Slog; 116import android.util.SparseArray; 117import android.util.Xml; 118import android.view.IWindowManager; 119import android.view.accessibility.AccessibilityManager; 120import android.view.accessibility.IAccessibilityManager; 121import android.view.inputmethod.InputMethodInfo; 122import android.view.inputmethod.InputMethodManager; 123 124import com.android.internal.R; 125import com.android.internal.annotations.VisibleForTesting; 126import com.android.internal.statusbar.IStatusBarService; 127import com.android.internal.util.FastXmlSerializer; 128import com.android.internal.util.JournaledFile; 129import com.android.internal.util.Preconditions; 130import com.android.internal.util.XmlUtils; 131import com.android.internal.widget.LockPatternUtils; 132import com.android.server.LocalServices; 133import com.android.server.SystemService; 134import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 135import com.android.server.pm.UserManagerService; 136import com.android.server.pm.UserRestrictionsUtils; 137 138import org.xmlpull.v1.XmlPullParser; 139import org.xmlpull.v1.XmlPullParserException; 140import org.xmlpull.v1.XmlSerializer; 141 142import java.io.ByteArrayInputStream; 143import java.io.File; 144import java.io.FileDescriptor; 145import java.io.FileInputStream; 146import java.io.FileNotFoundException; 147import java.io.FileOutputStream; 148import java.io.IOException; 149import java.io.PrintWriter; 150import java.nio.charset.StandardCharsets; 151import java.security.cert.CertificateException; 152import java.security.cert.CertificateFactory; 153import java.security.cert.X509Certificate; 154import java.text.DateFormat; 155import java.util.ArrayList; 156import java.util.Arrays; 157import java.util.Collections; 158import java.util.Date; 159import java.util.List; 160import java.util.Map.Entry; 161import java.util.Set; 162import java.util.concurrent.atomic.AtomicBoolean; 163 164/** 165 * Implementation of the device policy APIs. 166 */ 167public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 168 169 private static final String LOG_TAG = "DevicePolicyManagerService"; 170 171 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 172 173 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 174 175 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 176 177 private static final String TAG_STATUS_BAR = "statusbar"; 178 179 private static final String ATTR_DISABLED = "disabled"; 180 181 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 182 "do-not-ask-credentials-on-boot"; 183 184 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 185 186 private static final long MS_PER_DAY = 86400 * 1000; 187 188 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 189 190 protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 191 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 192 193 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 194 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 195 196 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 197 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 198 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 199 200 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 201 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 202 = "application-restrictions-manager"; 203 204 private static final int STATUS_BAR_DISABLE_MASK = 205 StatusBarManager.DISABLE_EXPAND | 206 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 207 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 208 StatusBarManager.DISABLE_SEARCH; 209 210 private static final int STATUS_BAR_DISABLE2_MASK = 211 StatusBarManager.DISABLE2_QUICK_SETTINGS; 212 213 private static final Set<String> SECURE_SETTINGS_WHITELIST; 214 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 215 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 216 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 217 static { 218 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 219 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 220 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 221 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 222 223 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 224 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 225 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 226 227 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 228 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 229 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 230 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 231 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 232 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 233 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 234 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 235 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 236 237 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 238 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 239 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 240 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 241 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 242 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 243 } 244 245 // Keyguard features that when set of a profile will affect the profiles 246 // parent user. 247 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 248 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 249 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 250 251 // Keyguard features that are allowed to be set on a managed profile 252 private static final int PROFILE_KEYGUARD_FEATURES = 253 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER 254 | DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 255 256 final Context mContext; 257 final Injector mInjector; 258 final IPackageManager mIPackageManager; 259 final UserManager mUserManager; 260 final UserManagerInternal mUserManagerInternal; 261 private final LockPatternUtils mLockPatternUtils; 262 263 final LocalService mLocalService; 264 265 // Stores and loads state on device and profile owners. 266 @VisibleForTesting 267 final Owners mOwners; 268 269 private final Binder mToken = new Binder(); 270 271 /** 272 * Whether or not device admin feature is supported. If it isn't return defaults for all 273 * public methods. 274 */ 275 private boolean mHasFeature; 276 277 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 278 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 279 280 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 281 @Override 282 public void run() { 283 if(mRemoteBugreportServiceIsActive.get()) { 284 onBugreportFailed(); 285 } 286 } 287 }; 288 289 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 290 291 @Override 292 public void onReceive(Context context, Intent intent) { 293 if (RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 294 && mRemoteBugreportServiceIsActive.get()) { 295 onBugreportFinished(intent); 296 } 297 } 298 }; 299 300 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 301 302 @Override 303 public void onReceive(Context context, Intent intent) { 304 String action = intent.getAction(); 305 mInjector.getNotificationManager().cancel(LOG_TAG, 306 RemoteBugreportUtils.REMOTE_BUGREPORT_CONSENT_NOTIFICATION_ID); 307 if (RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 308 onBugreportSharingAccepted(); 309 } else if (RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_DECLINED 310 .equals(action)) { 311 onBugreportSharingDeclined(); 312 } 313 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 314 } 315 }; 316 317 public static final class Lifecycle extends SystemService { 318 private DevicePolicyManagerService mService; 319 320 public Lifecycle(Context context) { 321 super(context); 322 mService = new DevicePolicyManagerService(context); 323 } 324 325 @Override 326 public void onStart() { 327 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 328 } 329 330 @Override 331 public void onBootPhase(int phase) { 332 mService.systemReady(phase); 333 } 334 335 @Override 336 public void onStartUser(int userHandle) { 337 mService.onStartUser(userHandle); 338 } 339 } 340 341 public static class DevicePolicyData { 342 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 343 int mActivePasswordLength = 0; 344 int mActivePasswordUpperCase = 0; 345 int mActivePasswordLowerCase = 0; 346 int mActivePasswordLetters = 0; 347 int mActivePasswordNumeric = 0; 348 int mActivePasswordSymbols = 0; 349 int mActivePasswordNonLetter = 0; 350 int mFailedPasswordAttempts = 0; 351 352 int mUserHandle; 353 int mPasswordOwner = -1; 354 long mLastMaximumTimeToLock = -1; 355 boolean mUserSetupComplete = false; 356 int mPermissionPolicy; 357 358 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 359 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 360 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 361 362 // This is the list of component allowed to start lock task mode. 363 List<String> mLockTaskPackages = new ArrayList<>(); 364 365 boolean mStatusBarDisabled = false; 366 367 ComponentName mRestrictionsProvider; 368 369 String mDelegatedCertInstallerPackage; 370 371 boolean doNotAskCredentialsOnBoot = false; 372 373 String mApplicationRestrictionsManagingPackage; 374 375 public DevicePolicyData(int userHandle) { 376 mUserHandle = userHandle; 377 } 378 } 379 380 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 381 382 final Handler mHandler; 383 384 BroadcastReceiver mReceiver = new BroadcastReceiver() { 385 @Override 386 public void onReceive(Context context, Intent intent) { 387 final String action = intent.getAction(); 388 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 389 getSendingUserId()); 390 391 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 392 && userHandle == mOwners.getDeviceOwnerUserId() 393 && getDeviceOwnerRemoteBugreportUri() != null) { 394 IntentFilter filterConsent = new IntentFilter(); 395 filterConsent.addAction( 396 RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_DECLINED); 397 filterConsent.addAction( 398 RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_ACCEPTED); 399 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 400 mInjector.getNotificationManager().notify( 401 LOG_TAG, RemoteBugreportUtils.REMOTE_BUGREPORT_CONSENT_NOTIFICATION_ID, 402 RemoteBugreportUtils.buildRemoteBugreportConsentNotification(mContext)); 403 } 404 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 405 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 406 if (VERBOSE_LOG) { 407 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 408 + action + " for user " + userHandle); 409 } 410 mHandler.post(new Runnable() { 411 @Override 412 public void run() { 413 handlePasswordExpirationNotification(userHandle); 414 } 415 }); 416 } 417 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 418 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 419 new MonitoringCertNotificationTask().execute(intent); 420 } 421 if (Intent.ACTION_USER_REMOVED.equals(action)) { 422 removeUserData(userHandle); 423 } else if (Intent.ACTION_USER_STARTED.equals(action) 424 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 425 426 if (Intent.ACTION_USER_STARTED.equals(action)) { 427 // Reset the policy data 428 synchronized (DevicePolicyManagerService.this) { 429 mUserData.remove(userHandle); 430 } 431 } 432 handlePackagesChanged(null /* check all admins */, userHandle); 433 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 434 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 435 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 436 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 437 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 438 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 439 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 440 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 441 clearWipeProfileNotification(); 442 } 443 } 444 }; 445 446 static class ActiveAdmin { 447 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 448 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 449 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 450 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 451 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 452 = "disable-bt-contacts-sharing"; 453 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 454 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 455 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 456 private static final String TAG_ACCOUNT_TYPE = "account-type"; 457 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 458 = "permitted-accessiblity-services"; 459 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 460 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 461 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 462 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 463 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 464 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 465 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 466 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 467 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 468 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 469 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 470 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 471 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 472 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 473 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 474 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 475 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 476 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 477 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 478 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 479 private static final String ATTR_VALUE = "value"; 480 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 481 private static final String TAG_POLICIES = "policies"; 482 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 483 "cross-profile-widget-providers"; 484 private static final String TAG_PROVIDER = "provider"; 485 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 486 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 487 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 488 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 489 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 490 private static final String TAG_PARENT_ADMIN = "parent-admin"; 491 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 492 493 final DeviceAdminInfo info; 494 495 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 496 497 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 498 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 499 500 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 501 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 502 503 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 504 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 505 506 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 507 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 508 509 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 510 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 511 512 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 513 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 514 515 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 516 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 517 518 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 519 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 520 521 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 522 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 523 524 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 525 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 526 527 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 528 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 529 530 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 531 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 532 533 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 534 535 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 536 537 boolean encryptionRequested = false; 538 boolean disableCamera = false; 539 boolean disableCallerId = false; 540 boolean disableContactsSearch = false; 541 boolean disableBluetoothContactSharing = true; 542 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 543 boolean requireAutoTime = false; // Can only be set by a device owner. 544 545 ActiveAdmin parentAdmin; 546 final boolean isParent; 547 548 static class TrustAgentInfo { 549 public PersistableBundle options; 550 TrustAgentInfo(PersistableBundle bundle) { 551 options = bundle; 552 } 553 } 554 555 Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 556 557 // The list of permitted accessibility services package namesas set by a profile 558 // or device owner. Null means all accessibility services are allowed, empty means 559 // none except system services are allowed. 560 List<String> permittedAccessiblityServices; 561 562 // The list of permitted input methods package names as set by a profile or device owner. 563 // Null means all input methods are allowed, empty means none except system imes are 564 // allowed. 565 List<String> permittedInputMethods; 566 567 // List of package names to keep cached. 568 List<String> keepUninstalledPackages; 569 570 // TODO: review implementation decisions with frameworks team 571 boolean specifiesGlobalProxy = false; 572 String globalProxySpec = null; 573 String globalProxyExclusionList = null; 574 575 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 576 577 List<String> crossProfileWidgetProviders; 578 579 Bundle userRestrictions; 580 581 // Support text provided by the admin to display to the user. 582 String shortSupportMessage = null; 583 String longSupportMessage = null; 584 585 // Background color of confirm credentials screen. Default: gray. 586 static final int DEF_ORGANIZATION_COLOR = Color.GRAY; 587 int organizationColor = DEF_ORGANIZATION_COLOR; 588 589 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 590 info = _info; 591 isParent = parent; 592 } 593 594 ActiveAdmin getParentActiveAdmin() { 595 if (parentAdmin == null && !isParent) { 596 parentAdmin = new ActiveAdmin(info, /* parent */ true); 597 } 598 return parentAdmin; 599 } 600 601 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 602 603 public UserHandle getUserHandle() { 604 return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 605 } 606 607 void writeToXml(XmlSerializer out) 608 throws IllegalArgumentException, IllegalStateException, IOException { 609 out.startTag(null, TAG_POLICIES); 610 info.writePoliciesToXml(out); 611 out.endTag(null, TAG_POLICIES); 612 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 613 out.startTag(null, TAG_PASSWORD_QUALITY); 614 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 615 out.endTag(null, TAG_PASSWORD_QUALITY); 616 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 617 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 618 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 619 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 620 } 621 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 622 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 623 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 624 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 625 } 626 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 627 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 628 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 629 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 630 } 631 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 632 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 633 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 634 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 635 } 636 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 637 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 638 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 639 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 640 } 641 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 642 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 643 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 644 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 645 } 646 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 647 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 648 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 649 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 650 } 651 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 652 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 653 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 654 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 655 } 656 } 657 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 658 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 659 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 660 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 661 } 662 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 663 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 664 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 665 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 666 } 667 if (specifiesGlobalProxy) { 668 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 669 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 670 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 671 if (globalProxySpec != null) { 672 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 673 out.attribute(null, ATTR_VALUE, globalProxySpec); 674 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 675 } 676 if (globalProxyExclusionList != null) { 677 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 678 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 679 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 680 } 681 } 682 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 683 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 684 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 685 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 686 } 687 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 688 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 689 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 690 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 691 } 692 if (encryptionRequested) { 693 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 694 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 695 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 696 } 697 if (disableCamera) { 698 out.startTag(null, TAG_DISABLE_CAMERA); 699 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 700 out.endTag(null, TAG_DISABLE_CAMERA); 701 } 702 if (disableCallerId) { 703 out.startTag(null, TAG_DISABLE_CALLER_ID); 704 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 705 out.endTag(null, TAG_DISABLE_CALLER_ID); 706 } 707 if (disableContactsSearch) { 708 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 709 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 710 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 711 } 712 if (disableBluetoothContactSharing) { 713 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 714 out.attribute(null, ATTR_VALUE, 715 Boolean.toString(disableBluetoothContactSharing)); 716 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 717 } 718 if (disableScreenCapture) { 719 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 720 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 721 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 722 } 723 if (requireAutoTime) { 724 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 725 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 726 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 727 } 728 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 729 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 730 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 731 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 732 } 733 if (!accountTypesWithManagementDisabled.isEmpty()) { 734 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 735 for (String ac : accountTypesWithManagementDisabled) { 736 out.startTag(null, TAG_ACCOUNT_TYPE); 737 out.attribute(null, ATTR_VALUE, ac); 738 out.endTag(null, TAG_ACCOUNT_TYPE); 739 } 740 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 741 } 742 if (!trustAgentInfos.isEmpty()) { 743 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 744 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 745 for (Entry<String, TrustAgentInfo> entry : set) { 746 TrustAgentInfo trustAgentInfo = entry.getValue(); 747 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 748 out.attribute(null, ATTR_VALUE, entry.getKey()); 749 if (trustAgentInfo.options != null) { 750 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 751 try { 752 trustAgentInfo.options.saveToXml(out); 753 } catch (XmlPullParserException e) { 754 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 755 } 756 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 757 } 758 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 759 } 760 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 761 } 762 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 763 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 764 final int providerCount = crossProfileWidgetProviders.size(); 765 for (int i = 0; i < providerCount; i++) { 766 String provider = crossProfileWidgetProviders.get(i); 767 out.startTag(null, TAG_PROVIDER); 768 out.attribute(null, ATTR_VALUE, provider); 769 out.endTag(null, TAG_PROVIDER); 770 } 771 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 772 } 773 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 774 permittedAccessiblityServices); 775 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 776 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 777 if (hasUserRestrictions()) { 778 UserRestrictionsUtils.writeRestrictions( 779 out, userRestrictions, TAG_USER_RESTRICTIONS); 780 } 781 if (!TextUtils.isEmpty(shortSupportMessage)) { 782 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 783 out.text(shortSupportMessage); 784 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 785 } 786 if (!TextUtils.isEmpty(longSupportMessage)) { 787 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 788 out.text(longSupportMessage); 789 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 790 } 791 if (parentAdmin != null) { 792 out.startTag(null, TAG_PARENT_ADMIN); 793 parentAdmin.writeToXml(out); 794 out.endTag(null, TAG_PARENT_ADMIN); 795 } 796 if (organizationColor != DEF_ORGANIZATION_COLOR) { 797 out.startTag(null, TAG_ORGANIZATION_COLOR); 798 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 799 out.endTag(null, TAG_ORGANIZATION_COLOR); 800 } 801 } 802 803 void writePackageListToXml(XmlSerializer out, String outerTag, 804 List<String> packageList) 805 throws IllegalArgumentException, IllegalStateException, IOException { 806 if (packageList == null) { 807 return; 808 } 809 810 out.startTag(null, outerTag); 811 for (String packageName : packageList) { 812 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 813 out.attribute(null, ATTR_VALUE, packageName); 814 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 815 } 816 out.endTag(null, outerTag); 817 } 818 819 void readFromXml(XmlPullParser parser) 820 throws XmlPullParserException, IOException { 821 int outerDepth = parser.getDepth(); 822 int type; 823 while ((type=parser.next()) != END_DOCUMENT 824 && (type != END_TAG || parser.getDepth() > outerDepth)) { 825 if (type == END_TAG || type == TEXT) { 826 continue; 827 } 828 String tag = parser.getName(); 829 if (TAG_POLICIES.equals(tag)) { 830 info.readPoliciesFromXml(parser); 831 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 832 passwordQuality = Integer.parseInt( 833 parser.getAttributeValue(null, ATTR_VALUE)); 834 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 835 minimumPasswordLength = Integer.parseInt( 836 parser.getAttributeValue(null, ATTR_VALUE)); 837 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 838 passwordHistoryLength = Integer.parseInt( 839 parser.getAttributeValue(null, ATTR_VALUE)); 840 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 841 minimumPasswordUpperCase = Integer.parseInt( 842 parser.getAttributeValue(null, ATTR_VALUE)); 843 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 844 minimumPasswordLowerCase = Integer.parseInt( 845 parser.getAttributeValue(null, ATTR_VALUE)); 846 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 847 minimumPasswordLetters = Integer.parseInt( 848 parser.getAttributeValue(null, ATTR_VALUE)); 849 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 850 minimumPasswordNumeric = Integer.parseInt( 851 parser.getAttributeValue(null, ATTR_VALUE)); 852 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 853 minimumPasswordSymbols = Integer.parseInt( 854 parser.getAttributeValue(null, ATTR_VALUE)); 855 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 856 minimumPasswordNonLetter = Integer.parseInt( 857 parser.getAttributeValue(null, ATTR_VALUE)); 858 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 859 maximumTimeToUnlock = Long.parseLong( 860 parser.getAttributeValue(null, ATTR_VALUE)); 861 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 862 maximumFailedPasswordsForWipe = Integer.parseInt( 863 parser.getAttributeValue(null, ATTR_VALUE)); 864 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 865 specifiesGlobalProxy = Boolean.parseBoolean( 866 parser.getAttributeValue(null, ATTR_VALUE)); 867 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 868 globalProxySpec = 869 parser.getAttributeValue(null, ATTR_VALUE); 870 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 871 globalProxyExclusionList = 872 parser.getAttributeValue(null, ATTR_VALUE); 873 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 874 passwordExpirationTimeout = Long.parseLong( 875 parser.getAttributeValue(null, ATTR_VALUE)); 876 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 877 passwordExpirationDate = Long.parseLong( 878 parser.getAttributeValue(null, ATTR_VALUE)); 879 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 880 encryptionRequested = Boolean.parseBoolean( 881 parser.getAttributeValue(null, ATTR_VALUE)); 882 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 883 disableCamera = Boolean.parseBoolean( 884 parser.getAttributeValue(null, ATTR_VALUE)); 885 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 886 disableCallerId = Boolean.parseBoolean( 887 parser.getAttributeValue(null, ATTR_VALUE)); 888 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 889 disableContactsSearch = Boolean.parseBoolean( 890 parser.getAttributeValue(null, ATTR_VALUE)); 891 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 892 disableBluetoothContactSharing = Boolean.parseBoolean(parser 893 .getAttributeValue(null, ATTR_VALUE)); 894 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 895 disableScreenCapture = Boolean.parseBoolean( 896 parser.getAttributeValue(null, ATTR_VALUE)); 897 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 898 requireAutoTime= Boolean.parseBoolean( 899 parser.getAttributeValue(null, ATTR_VALUE)); 900 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 901 disabledKeyguardFeatures = Integer.parseInt( 902 parser.getAttributeValue(null, ATTR_VALUE)); 903 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 904 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 905 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 906 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 907 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 908 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 909 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 910 permittedAccessiblityServices = readPackageList(parser, tag); 911 } else if (TAG_PERMITTED_IMES.equals(tag)) { 912 permittedInputMethods = readPackageList(parser, tag); 913 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 914 keepUninstalledPackages = readPackageList(parser, tag); 915 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 916 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 917 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 918 type = parser.next(); 919 if (type == XmlPullParser.TEXT) { 920 shortSupportMessage = parser.getText(); 921 } else { 922 Log.w(LOG_TAG, "Missing text when loading short support message"); 923 } 924 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 925 type = parser.next(); 926 if (type == XmlPullParser.TEXT) { 927 longSupportMessage = parser.getText(); 928 } else { 929 Log.w(LOG_TAG, "Missing text when loading long support message"); 930 } 931 } else if (TAG_PARENT_ADMIN.equals(tag)) { 932 parentAdmin = new ActiveAdmin(info, /* parent */ true); 933 parentAdmin.readFromXml(parser); 934 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 935 organizationColor = Integer.parseInt( 936 parser.getAttributeValue(null, ATTR_VALUE)); 937 } else { 938 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 939 XmlUtils.skipCurrentTag(parser); 940 } 941 } 942 } 943 944 private List<String> readPackageList(XmlPullParser parser, 945 String tag) throws XmlPullParserException, IOException { 946 List<String> result = new ArrayList<String>(); 947 int outerDepth = parser.getDepth(); 948 int outerType; 949 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 950 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 951 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 952 continue; 953 } 954 String outerTag = parser.getName(); 955 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 956 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 957 if (packageName != null) { 958 result.add(packageName); 959 } else { 960 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 961 } 962 } else { 963 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 964 } 965 } 966 return result; 967 } 968 969 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 970 throws XmlPullParserException, IOException { 971 int outerDepthDAM = parser.getDepth(); 972 int typeDAM; 973 Set<String> result = new ArraySet<>(); 974 while ((typeDAM=parser.next()) != END_DOCUMENT 975 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 976 if (typeDAM == END_TAG || typeDAM == TEXT) { 977 continue; 978 } 979 String tagDAM = parser.getName(); 980 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 981 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 982 } else { 983 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 984 } 985 } 986 return result; 987 } 988 989 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 990 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 991 int outerDepthDAM = parser.getDepth(); 992 int typeDAM; 993 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 994 while ((typeDAM=parser.next()) != END_DOCUMENT 995 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 996 if (typeDAM == END_TAG || typeDAM == TEXT) { 997 continue; 998 } 999 String tagDAM = parser.getName(); 1000 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1001 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1002 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1003 result.put(component, trustAgentInfo); 1004 } else { 1005 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1006 } 1007 } 1008 return result; 1009 } 1010 1011 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1012 throws XmlPullParserException, IOException { 1013 int outerDepthDAM = parser.getDepth(); 1014 int typeDAM; 1015 TrustAgentInfo result = new TrustAgentInfo(null); 1016 while ((typeDAM=parser.next()) != END_DOCUMENT 1017 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1018 if (typeDAM == END_TAG || typeDAM == TEXT) { 1019 continue; 1020 } 1021 String tagDAM = parser.getName(); 1022 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1023 PersistableBundle bundle = new PersistableBundle(); 1024 bundle.restoreFromXml(parser); 1025 result.options = bundle; 1026 } else { 1027 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1028 } 1029 } 1030 return result; 1031 } 1032 1033 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 1034 throws XmlPullParserException, IOException { 1035 int outerDepthDAM = parser.getDepth(); 1036 int typeDAM; 1037 ArrayList<String> result = null; 1038 while ((typeDAM=parser.next()) != END_DOCUMENT 1039 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1040 if (typeDAM == END_TAG || typeDAM == TEXT) { 1041 continue; 1042 } 1043 String tagDAM = parser.getName(); 1044 if (TAG_PROVIDER.equals(tagDAM)) { 1045 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 1046 if (result == null) { 1047 result = new ArrayList<>(); 1048 } 1049 result.add(provider); 1050 } else { 1051 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1052 } 1053 } 1054 return result; 1055 } 1056 1057 boolean hasUserRestrictions() { 1058 return userRestrictions != null && userRestrictions.size() > 0; 1059 } 1060 1061 Bundle ensureUserRestrictions() { 1062 if (userRestrictions == null) { 1063 userRestrictions = new Bundle(); 1064 } 1065 return userRestrictions; 1066 } 1067 1068 void dump(String prefix, PrintWriter pw) { 1069 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1070 pw.print(prefix); pw.println("policies:"); 1071 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1072 if (pols != null) { 1073 for (int i=0; i<pols.size(); i++) { 1074 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1075 } 1076 } 1077 pw.print(prefix); pw.print("passwordQuality=0x"); 1078 pw.println(Integer.toHexString(passwordQuality)); 1079 pw.print(prefix); pw.print("minimumPasswordLength="); 1080 pw.println(minimumPasswordLength); 1081 pw.print(prefix); pw.print("passwordHistoryLength="); 1082 pw.println(passwordHistoryLength); 1083 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1084 pw.println(minimumPasswordUpperCase); 1085 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1086 pw.println(minimumPasswordLowerCase); 1087 pw.print(prefix); pw.print("minimumPasswordLetters="); 1088 pw.println(minimumPasswordLetters); 1089 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1090 pw.println(minimumPasswordNumeric); 1091 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1092 pw.println(minimumPasswordSymbols); 1093 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1094 pw.println(minimumPasswordNonLetter); 1095 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1096 pw.println(maximumTimeToUnlock); 1097 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1098 pw.println(maximumFailedPasswordsForWipe); 1099 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1100 pw.println(specifiesGlobalProxy); 1101 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1102 pw.println(passwordExpirationTimeout); 1103 pw.print(prefix); pw.print("passwordExpirationDate="); 1104 pw.println(passwordExpirationDate); 1105 if (globalProxySpec != null) { 1106 pw.print(prefix); pw.print("globalProxySpec="); 1107 pw.println(globalProxySpec); 1108 } 1109 if (globalProxyExclusionList != null) { 1110 pw.print(prefix); pw.print("globalProxyEclusionList="); 1111 pw.println(globalProxyExclusionList); 1112 } 1113 pw.print(prefix); pw.print("encryptionRequested="); 1114 pw.println(encryptionRequested); 1115 pw.print(prefix); pw.print("disableCamera="); 1116 pw.println(disableCamera); 1117 pw.print(prefix); pw.print("disableCallerId="); 1118 pw.println(disableCallerId); 1119 pw.print(prefix); pw.print("disableContactsSearch="); 1120 pw.println(disableContactsSearch); 1121 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1122 pw.println(disableBluetoothContactSharing); 1123 pw.print(prefix); pw.print("disableScreenCapture="); 1124 pw.println(disableScreenCapture); 1125 pw.print(prefix); pw.print("requireAutoTime="); 1126 pw.println(requireAutoTime); 1127 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1128 pw.println(disabledKeyguardFeatures); 1129 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1130 pw.println(crossProfileWidgetProviders); 1131 if (permittedAccessiblityServices != null) { 1132 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1133 pw.println(permittedAccessiblityServices); 1134 } 1135 if (permittedInputMethods != null) { 1136 pw.print(prefix); pw.print("permittedInputMethods="); 1137 pw.println(permittedInputMethods); 1138 } 1139 if (keepUninstalledPackages != null) { 1140 pw.print(prefix); pw.print("keepUninstalledPackages="); 1141 pw.println(keepUninstalledPackages); 1142 } 1143 pw.print(prefix); pw.println("userRestrictions:"); 1144 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1145 } 1146 } 1147 1148 private void handlePackagesChanged(String packageName, int userHandle) { 1149 boolean removed = false; 1150 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1151 DevicePolicyData policy = getUserData(userHandle); 1152 synchronized (this) { 1153 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1154 ActiveAdmin aa = policy.mAdminList.get(i); 1155 try { 1156 // If we're checking all packages or if the specific one we're checking matches, 1157 // then check if the package and receiver still exist. 1158 final String adminPackage = aa.info.getPackageName(); 1159 if (packageName == null || packageName.equals(adminPackage)) { 1160 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1161 || mIPackageManager.getReceiverInfo( 1162 aa.info.getComponent(), 0, userHandle) == null) { 1163 removed = true; 1164 policy.mAdminList.remove(i); 1165 policy.mAdminMap.remove(aa.info.getComponent()); 1166 } 1167 } 1168 } catch (RemoteException re) { 1169 // Shouldn't happen 1170 } 1171 } 1172 if (removed) { 1173 validatePasswordOwnerLocked(policy); 1174 saveSettingsLocked(policy.mUserHandle); 1175 } 1176 1177 // Check if delegated cert installer or app restrictions managing packages are removed. 1178 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1179 policy.mDelegatedCertInstallerPackage = null; 1180 saveSettingsLocked(policy.mUserHandle); 1181 } 1182 if (isRemovedPackage( 1183 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1184 policy.mApplicationRestrictionsManagingPackage = null; 1185 saveSettingsLocked(policy.mUserHandle); 1186 } 1187 } 1188 if (removed) { 1189 // The removed admin might have disabled camera, so update user restrictions. 1190 pushUserRestrictions(userHandle); 1191 } 1192 } 1193 1194 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1195 try { 1196 return targetPackage != null 1197 && (changedPackage == null || changedPackage.equals(targetPackage)) 1198 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1199 } catch (RemoteException e) { 1200 // Shouldn't happen 1201 } 1202 1203 return false; 1204 } 1205 1206 /** 1207 * Unit test will subclass it to inject mocks. 1208 */ 1209 @VisibleForTesting 1210 static class Injector { 1211 1212 private final Context mContext; 1213 1214 Injector(Context context) { 1215 mContext = context; 1216 } 1217 1218 Owners newOwners() { 1219 return new Owners(mContext, getUserManager(), getUserManagerInternal()); 1220 } 1221 1222 UserManager getUserManager() { 1223 return UserManager.get(mContext); 1224 } 1225 1226 UserManagerInternal getUserManagerInternal() { 1227 return LocalServices.getService(UserManagerInternal.class); 1228 } 1229 1230 PackageManagerInternal getPackageManagerInternal() { 1231 return LocalServices.getService(PackageManagerInternal.class); 1232 } 1233 1234 NotificationManager getNotificationManager() { 1235 return mContext.getSystemService(NotificationManager.class); 1236 } 1237 1238 PowerManagerInternal getPowerManagerInternal() { 1239 return LocalServices.getService(PowerManagerInternal.class); 1240 } 1241 1242 IWindowManager getIWindowManager() { 1243 return IWindowManager.Stub 1244 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1245 } 1246 1247 IActivityManager getIActivityManager() { 1248 return ActivityManagerNative.getDefault(); 1249 } 1250 1251 IPackageManager getIPackageManager() { 1252 return AppGlobals.getPackageManager(); 1253 } 1254 1255 IBackupManager getIBackupManager() { 1256 return IBackupManager.Stub.asInterface( 1257 ServiceManager.getService(Context.BACKUP_SERVICE)); 1258 } 1259 1260 IAudioService getIAudioService() { 1261 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1262 } 1263 1264 LockPatternUtils newLockPatternUtils() { 1265 return new LockPatternUtils(mContext); 1266 } 1267 1268 Looper getMyLooper() { 1269 return Looper.myLooper(); 1270 } 1271 1272 WifiManager getWifiManager() { 1273 return mContext.getSystemService(WifiManager.class); 1274 } 1275 1276 long binderClearCallingIdentity() { 1277 return Binder.clearCallingIdentity(); 1278 } 1279 1280 void binderRestoreCallingIdentity(long token) { 1281 Binder.restoreCallingIdentity(token); 1282 } 1283 1284 int binderGetCallingUid() { 1285 return Binder.getCallingUid(); 1286 } 1287 1288 int binderGetCallingPid() { 1289 return Binder.getCallingPid(); 1290 } 1291 1292 UserHandle binderGetCallingUserHandle() { 1293 return Binder.getCallingUserHandle(); 1294 } 1295 1296 boolean binderIsCallingUidMyUid() { 1297 return getCallingUid() == Process.myUid(); 1298 } 1299 1300 final int userHandleGetCallingUserId() { 1301 return UserHandle.getUserId(binderGetCallingUid()); 1302 } 1303 1304 File environmentGetUserSystemDirectory(int userId) { 1305 return Environment.getUserSystemDirectory(userId); 1306 } 1307 1308 void powerManagerGoToSleep(long time, int reason, int flags) { 1309 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1310 } 1311 1312 void powerManagerReboot(String reason) { 1313 mContext.getSystemService(PowerManager.class).reboot(reason); 1314 } 1315 1316 boolean systemPropertiesGetBoolean(String key, boolean def) { 1317 return SystemProperties.getBoolean(key, def); 1318 } 1319 1320 long systemPropertiesGetLong(String key, long def) { 1321 return SystemProperties.getLong(key, def); 1322 } 1323 1324 String systemPropertiesGet(String key, String def) { 1325 return SystemProperties.get(key, def); 1326 } 1327 1328 String systemPropertiesGet(String key) { 1329 return SystemProperties.get(key); 1330 } 1331 1332 void systemPropertiesSet(String key, String value) { 1333 SystemProperties.set(key, value); 1334 } 1335 1336 boolean userManagerIsSplitSystemUser() { 1337 return UserManager.isSplitSystemUser(); 1338 } 1339 1340 String getDevicePolicyFilePathForSystemUser() { 1341 return "/data/system/"; 1342 } 1343 1344 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1345 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1346 name, def, userHandle); 1347 } 1348 1349 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1350 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1351 name, value, userHandle); 1352 } 1353 1354 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1355 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1356 name, value, userHandle); 1357 } 1358 1359 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1360 Settings.Global.putStringForUser(mContext.getContentResolver(), 1361 name, value, userHandle); 1362 } 1363 1364 void settingsSecurePutInt(String name, int value) { 1365 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1366 } 1367 1368 int settingsGlobalGetInt(String name, int def) { 1369 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1370 } 1371 1372 void settingsGlobalPutInt(String name, int value) { 1373 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1374 } 1375 1376 void settingsSecurePutString(String name, String value) { 1377 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1378 } 1379 1380 void settingsGlobalPutString(String name, String value) { 1381 Settings.Global.putString(mContext.getContentResolver(), name, value); 1382 } 1383 } 1384 1385 /** 1386 * Instantiates the service. 1387 */ 1388 public DevicePolicyManagerService(Context context) { 1389 this(new Injector(context)); 1390 } 1391 1392 @VisibleForTesting 1393 DevicePolicyManagerService(Injector injector) { 1394 mInjector = injector; 1395 mContext = Preconditions.checkNotNull(injector.mContext); 1396 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1397 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1398 1399 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1400 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1401 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1402 1403 mLocalService = new LocalService(); 1404 mLockPatternUtils = new LockPatternUtils(mContext); 1405 1406 mHasFeature = mContext.getPackageManager() 1407 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1408 if (!mHasFeature) { 1409 // Skip the rest of the initialization 1410 return; 1411 } 1412 IntentFilter filter = new IntentFilter(); 1413 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1414 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1415 filter.addAction(Intent.ACTION_USER_REMOVED); 1416 filter.addAction(Intent.ACTION_USER_STARTED); 1417 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1418 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1419 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1420 filter = new IntentFilter(); 1421 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1422 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1423 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1424 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1425 filter.addDataScheme("package"); 1426 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1427 filter = new IntentFilter(); 1428 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1429 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1430 1431 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1432 } 1433 1434 /** 1435 * Creates and loads the policy data from xml. 1436 * @param userHandle the user for whom to load the policy data 1437 * @return 1438 */ 1439 @NonNull 1440 DevicePolicyData getUserData(int userHandle) { 1441 synchronized (this) { 1442 DevicePolicyData policy = mUserData.get(userHandle); 1443 if (policy == null) { 1444 policy = new DevicePolicyData(userHandle); 1445 mUserData.append(userHandle, policy); 1446 loadSettingsLocked(policy, userHandle); 1447 } 1448 return policy; 1449 } 1450 } 1451 1452 /** 1453 * Creates and loads the policy data from xml for data that is shared between 1454 * various profiles of a user. In contrast to {@link #getUserData(int)} 1455 * it allows access to data of users other than the calling user. 1456 * 1457 * This function should only be used for shared data, e.g. everything regarding 1458 * passwords and should be removed once multiple screen locks are present. 1459 * @param userHandle the user for whom to load the policy data 1460 * @return 1461 */ 1462 DevicePolicyData getUserDataUnchecked(int userHandle) { 1463 long ident = mInjector.binderClearCallingIdentity(); 1464 try { 1465 return getUserData(userHandle); 1466 } finally { 1467 mInjector.binderRestoreCallingIdentity(ident); 1468 } 1469 } 1470 1471 void removeUserData(int userHandle) { 1472 synchronized (this) { 1473 if (userHandle == UserHandle.USER_SYSTEM) { 1474 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1475 return; 1476 } 1477 mOwners.removeProfileOwner(userHandle); 1478 mOwners.writeProfileOwner(userHandle); 1479 1480 DevicePolicyData policy = mUserData.get(userHandle); 1481 if (policy != null) { 1482 mUserData.remove(userHandle); 1483 } 1484 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1485 DEVICE_POLICIES_XML); 1486 policyFile.delete(); 1487 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1488 } 1489 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1490 } 1491 1492 void loadOwners() { 1493 synchronized (this) { 1494 mOwners.load(); 1495 findOwnerComponentIfNecessaryLocked(); 1496 migrateUserRestrictionsIfNecessaryLocked(); 1497 1498 // TODO PO may not have a class name either due to b/17652534. Address that too. 1499 1500 updateDeviceOwnerLocked(); 1501 } 1502 } 1503 1504 private void findOwnerComponentIfNecessaryLocked() { 1505 if (!mOwners.hasDeviceOwner()) { 1506 return; 1507 } 1508 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1509 1510 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1511 return; // Already a full component name. 1512 } 1513 1514 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1515 doComponentName.getPackageName(), 1516 mOwners.getDeviceOwnerUserId()); 1517 if (doComponent == null) { 1518 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1519 } else { 1520 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1521 doComponent, 1522 mOwners.getDeviceOwnerName(), 1523 mOwners.getDeviceOwnerUserId(), 1524 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1525 mOwners.writeDeviceOwner(); 1526 if (VERBOSE_LOG) { 1527 Log.v(LOG_TAG, "Device owner component filled in"); 1528 } 1529 } 1530 } 1531 1532 /** 1533 * We didn't use to persist user restrictions for each owners but only persisted in user 1534 * manager. 1535 */ 1536 private void migrateUserRestrictionsIfNecessaryLocked() { 1537 boolean migrated = false; 1538 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1539 // except for the "system controlled" ones. 1540 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1541 if (VERBOSE_LOG) { 1542 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1543 } 1544 migrated = true; 1545 1546 // Migrate user 0 restrictions to DO. 1547 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1548 1549 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1550 /* exceptionList =*/ null); 1551 1552 // Push DO user restrictions to user manager. 1553 pushUserRestrictions(UserHandle.USER_SYSTEM); 1554 1555 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1556 } 1557 1558 // Migrate for POs. We have a few more exceptions. 1559 final Set<String> normalExceptionList = Sets.newArraySet( 1560 UserManager.DISALLOW_OUTGOING_CALLS, 1561 UserManager.DISALLOW_SMS); 1562 1563 final Set<String> managedExceptionList = new ArraySet<>(normalExceptionList.size() + 1); 1564 managedExceptionList.addAll(normalExceptionList); 1565 managedExceptionList.add(UserManager.DISALLOW_WALLPAPER); 1566 1567 for (UserInfo ui : mUserManager.getUsers()) { 1568 final int userId = ui.id; 1569 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1570 if (userId != UserHandle.USER_SYSTEM) { 1571 if (VERBOSE_LOG) { 1572 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1573 } 1574 migrated = true; 1575 1576 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1577 1578 final Set<String> exceptionList = 1579 ui.isManagedProfile() ? managedExceptionList : normalExceptionList; 1580 1581 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1582 exceptionList); 1583 1584 // Note if a secondary user has no PO but has a DA that disables camera, we 1585 // don't get here and won't push the camera user restriction to UserManager 1586 // here. That's okay because we'll push user restrictions anyway when a user 1587 // starts. But we still do it because we want to let user manager persist 1588 // upon migration. 1589 pushUserRestrictions(userId); 1590 } 1591 1592 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1593 } 1594 } 1595 if (VERBOSE_LOG && migrated) { 1596 Log.v(LOG_TAG, "User restrictions migrated."); 1597 } 1598 } 1599 1600 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1601 Set<String> exceptionList) { 1602 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1603 user.getIdentifier()); 1604 1605 final Bundle newBaseRestrictions = new Bundle(); 1606 final Bundle newOwnerRestrictions = new Bundle(); 1607 1608 for (String key : origRestrictions.keySet()) { 1609 if (!origRestrictions.getBoolean(key)) { 1610 continue; 1611 } 1612 if (exceptionList!= null && exceptionList.contains(key)) { 1613 newBaseRestrictions.putBoolean(key, true); 1614 } else { 1615 newOwnerRestrictions.putBoolean(key, true); 1616 } 1617 } 1618 1619 if (VERBOSE_LOG) { 1620 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1621 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1622 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1623 } 1624 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1625 newBaseRestrictions); 1626 1627 if (admin != null) { 1628 admin.ensureUserRestrictions().clear(); 1629 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1630 } else { 1631 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1632 } 1633 saveSettingsLocked(user.getIdentifier()); 1634 } 1635 1636 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1637 final DevicePolicyData policy = getUserData(userId); 1638 final int n = policy.mAdminList.size(); 1639 ComponentName found = null; 1640 int nFound = 0; 1641 for (int i = 0; i < n; i++) { 1642 final ActiveAdmin admin = policy.mAdminList.get(i); 1643 if (packageName.equals(admin.info.getPackageName())) { 1644 // Found! 1645 if (nFound == 0) { 1646 found = admin.info.getComponent(); 1647 } 1648 nFound++; 1649 } 1650 } 1651 if (nFound > 1) { 1652 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1653 } 1654 return found; 1655 } 1656 1657 /** 1658 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1659 * reminders. Clears alarm if no expirations are configured. 1660 */ 1661 protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { 1662 final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); 1663 final long now = System.currentTimeMillis(); 1664 final long timeToExpire = expiration - now; 1665 final long alarmTime; 1666 if (expiration == 0) { 1667 // No expirations are currently configured: Cancel alarm. 1668 alarmTime = 0; 1669 } else if (timeToExpire <= 0) { 1670 // The password has already expired: Repeat every 24 hours. 1671 alarmTime = now + MS_PER_DAY; 1672 } else { 1673 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1674 // the expiration time. 1675 long alarmInterval = timeToExpire % MS_PER_DAY; 1676 if (alarmInterval == 0) { 1677 alarmInterval = MS_PER_DAY; 1678 } 1679 alarmTime = now + alarmInterval; 1680 } 1681 1682 long token = mInjector.binderClearCallingIdentity(); 1683 try { 1684 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1685 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1686 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1687 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1688 new UserHandle(policy.mUserHandle)); 1689 am.cancel(pi); 1690 if (alarmTime != 0) { 1691 am.set(AlarmManager.RTC, alarmTime, pi); 1692 } 1693 } finally { 1694 mInjector.binderRestoreCallingIdentity(token); 1695 } 1696 } 1697 1698 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1699 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1700 if (admin != null 1701 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1702 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1703 return admin; 1704 } 1705 return null; 1706 } 1707 1708 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1709 throws SecurityException { 1710 final int callingUid = mInjector.binderGetCallingUid(); 1711 1712 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1713 if (result != null) { 1714 return result; 1715 } 1716 1717 if (who != null) { 1718 final int userId = UserHandle.getUserId(callingUid); 1719 final DevicePolicyData policy = getUserData(userId); 1720 ActiveAdmin admin = policy.mAdminMap.get(who); 1721 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1722 throw new SecurityException("Admin " + admin.info.getComponent() 1723 + " does not own the device"); 1724 } 1725 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1726 throw new SecurityException("Admin " + admin.info.getComponent() 1727 + " does not own the profile"); 1728 } 1729 throw new SecurityException("Admin " + admin.info.getComponent() 1730 + " did not specify uses-policy for: " 1731 + admin.info.getTagForPolicy(reqPolicy)); 1732 } else { 1733 throw new SecurityException("No active admin owned by uid " 1734 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 1735 } 1736 } 1737 1738 /** 1739 * Find the admin for the component and userId bit of the uid, then check 1740 * the admin's uid matches the uid. 1741 */ 1742 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 1743 final int userId = UserHandle.getUserId(uid); 1744 final DevicePolicyData policy = getUserData(userId); 1745 ActiveAdmin admin = policy.mAdminMap.get(who); 1746 if (admin == null) { 1747 throw new SecurityException("No active admin " + who); 1748 } 1749 if (admin.getUid() != uid) { 1750 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1751 } 1752 return admin; 1753 } 1754 1755 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1756 int uid) { 1757 // Try to find an admin which can use reqPolicy 1758 final int userId = UserHandle.getUserId(uid); 1759 final DevicePolicyData policy = getUserData(userId); 1760 if (who != null) { 1761 ActiveAdmin admin = policy.mAdminMap.get(who); 1762 if (admin == null) { 1763 throw new SecurityException("No active admin " + who); 1764 } 1765 if (admin.getUid() != uid) { 1766 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1767 } 1768 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1769 return admin; 1770 } 1771 } else { 1772 for (ActiveAdmin admin : policy.mAdminList) { 1773 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 1774 userId)) { 1775 return admin; 1776 } 1777 } 1778 } 1779 1780 return null; 1781 } 1782 1783 @VisibleForTesting 1784 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 1785 int userId) { 1786 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 1787 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 1788 1789 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1790 return ownsDevice; 1791 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1792 // DO always has the PO power. 1793 return ownsDevice || ownsProfile; 1794 } else { 1795 return admin.info.usesPolicy(reqPolicy); 1796 } 1797 } 1798 1799 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1800 sendAdminCommandLocked(admin, action, null); 1801 } 1802 1803 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1804 sendAdminCommandLocked(admin, action, null, result); 1805 } 1806 1807 /** 1808 * Send an update to one specific admin, get notified when that admin returns a result. 1809 */ 1810 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1811 BroadcastReceiver result) { 1812 Intent intent = new Intent(action); 1813 intent.setComponent(admin.info.getComponent()); 1814 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1815 intent.putExtra("expiration", admin.passwordExpirationDate); 1816 } 1817 if (adminExtras != null) { 1818 intent.putExtras(adminExtras); 1819 } 1820 if (result != null) { 1821 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1822 null, result, mHandler, Activity.RESULT_OK, null, null); 1823 } else { 1824 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 1825 } 1826 } 1827 1828 /** 1829 * Send an update to all admins of a user that enforce a specified policy. 1830 */ 1831 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 1832 final DevicePolicyData policy = getUserData(userHandle); 1833 final int count = policy.mAdminList.size(); 1834 if (count > 0) { 1835 for (int i = 0; i < count; i++) { 1836 final ActiveAdmin admin = policy.mAdminList.get(i); 1837 if (admin.info.usesPolicy(reqPolicy)) { 1838 sendAdminCommandLocked(admin, action); 1839 } 1840 } 1841 } 1842 } 1843 1844 /** 1845 * Send an update intent to all admins of a user and its profiles. Only send to admins that 1846 * enforce a specified policy. 1847 */ 1848 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 1849 int userHandle) { 1850 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1851 for (UserInfo ui : profiles) { 1852 int id = ui.id; 1853 sendAdminCommandLocked(action, reqPolicy, id); 1854 } 1855 } 1856 1857 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 1858 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1859 if (admin != null) { 1860 synchronized (this) { 1861 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 1862 } 1863 sendAdminCommandLocked(admin, 1864 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 1865 new BroadcastReceiver() { 1866 @Override 1867 public void onReceive(Context context, Intent intent) { 1868 synchronized (DevicePolicyManagerService.this) { 1869 int userHandle = admin.getUserHandle().getIdentifier(); 1870 DevicePolicyData policy = getUserData(userHandle); 1871 boolean doProxyCleanup = admin.info.usesPolicy( 1872 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 1873 policy.mAdminList.remove(admin); 1874 policy.mAdminMap.remove(adminReceiver); 1875 validatePasswordOwnerLocked(policy); 1876 if (doProxyCleanup) { 1877 resetGlobalProxyLocked(getUserData(userHandle)); 1878 } 1879 saveSettingsLocked(userHandle); 1880 updateMaximumTimeToLockLocked(policy); 1881 policy.mRemovingAdmins.remove(adminReceiver); 1882 } 1883 // The removed admin might have disabled camera, so update user 1884 // restrictions. 1885 pushUserRestrictions(userHandle); 1886 } 1887 }); 1888 } 1889 } 1890 1891 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 1892 boolean throwForMissiongPermission) { 1893 if (!mHasFeature) { 1894 return null; 1895 } 1896 enforceFullCrossUsersPermission(userHandle); 1897 Intent resolveIntent = new Intent(); 1898 resolveIntent.setComponent(adminName); 1899 List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceiversAsUser( 1900 resolveIntent, 1901 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1902 userHandle); 1903 if (infos == null || infos.size() <= 0) { 1904 throw new IllegalArgumentException("Unknown admin: " + adminName); 1905 } 1906 1907 final ResolveInfo ri = infos.get(0); 1908 1909 if (!permission.BIND_DEVICE_ADMIN.equals(ri.activityInfo.permission)) { 1910 final String message = "DeviceAdminReceiver " + adminName + " must be protected with" 1911 + permission.BIND_DEVICE_ADMIN; 1912 Slog.w(LOG_TAG, message); 1913 if (throwForMissiongPermission && 1914 ri.activityInfo.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 1915 throw new IllegalArgumentException(message); 1916 } 1917 } 1918 1919 try { 1920 return new DeviceAdminInfo(mContext, ri); 1921 } catch (XmlPullParserException | IOException e) { 1922 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1923 e); 1924 return null; 1925 } 1926 } 1927 1928 private JournaledFile makeJournaledFile(int userHandle) { 1929 final String base = userHandle == UserHandle.USER_SYSTEM 1930 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 1931 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1932 DEVICE_POLICIES_XML).getAbsolutePath(); 1933 if (VERBOSE_LOG) { 1934 Log.v(LOG_TAG, "Opening " + base); 1935 } 1936 return new JournaledFile(new File(base), new File(base + ".tmp")); 1937 } 1938 1939 private void saveSettingsLocked(int userHandle) { 1940 DevicePolicyData policy = getUserData(userHandle); 1941 JournaledFile journal = makeJournaledFile(userHandle); 1942 FileOutputStream stream = null; 1943 try { 1944 stream = new FileOutputStream(journal.chooseForWrite(), false); 1945 XmlSerializer out = new FastXmlSerializer(); 1946 out.setOutput(stream, StandardCharsets.UTF_8.name()); 1947 out.startDocument(null, true); 1948 1949 out.startTag(null, "policies"); 1950 if (policy.mRestrictionsProvider != null) { 1951 out.attribute(null, ATTR_PERMISSION_PROVIDER, 1952 policy.mRestrictionsProvider.flattenToString()); 1953 } 1954 if (policy.mUserSetupComplete) { 1955 out.attribute(null, ATTR_SETUP_COMPLETE, 1956 Boolean.toString(true)); 1957 } 1958 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 1959 out.attribute(null, ATTR_PERMISSION_POLICY, 1960 Integer.toString(policy.mPermissionPolicy)); 1961 } 1962 if (policy.mDelegatedCertInstallerPackage != null) { 1963 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 1964 policy.mDelegatedCertInstallerPackage); 1965 } 1966 if (policy.mApplicationRestrictionsManagingPackage != null) { 1967 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 1968 policy.mApplicationRestrictionsManagingPackage); 1969 } 1970 1971 final int N = policy.mAdminList.size(); 1972 for (int i=0; i<N; i++) { 1973 ActiveAdmin ap = policy.mAdminList.get(i); 1974 if (ap != null) { 1975 out.startTag(null, "admin"); 1976 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 1977 ap.writeToXml(out); 1978 out.endTag(null, "admin"); 1979 } 1980 } 1981 1982 if (policy.mPasswordOwner >= 0) { 1983 out.startTag(null, "password-owner"); 1984 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 1985 out.endTag(null, "password-owner"); 1986 } 1987 1988 if (policy.mFailedPasswordAttempts != 0) { 1989 out.startTag(null, "failed-password-attempts"); 1990 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 1991 out.endTag(null, "failed-password-attempts"); 1992 } 1993 1994 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 1995 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 1996 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 1997 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 1998 out.startTag(null, "active-password"); 1999 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 2000 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 2001 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 2002 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 2003 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 2004 out.attribute(null, "numeric", Integer 2005 .toString(policy.mActivePasswordNumeric)); 2006 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 2007 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 2008 out.endTag(null, "active-password"); 2009 } 2010 2011 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2012 String component = policy.mLockTaskPackages.get(i); 2013 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2014 out.attribute(null, "name", component); 2015 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2016 } 2017 2018 if (policy.mStatusBarDisabled) { 2019 out.startTag(null, TAG_STATUS_BAR); 2020 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2021 out.endTag(null, TAG_STATUS_BAR); 2022 } 2023 2024 if (policy.doNotAskCredentialsOnBoot) { 2025 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2026 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2027 } 2028 2029 out.endTag(null, "policies"); 2030 2031 out.endDocument(); 2032 stream.flush(); 2033 FileUtils.sync(stream); 2034 stream.close(); 2035 journal.commit(); 2036 sendChangedNotification(userHandle); 2037 } catch (IOException e) { 2038 Slog.w(LOG_TAG, "failed writing file", e); 2039 try { 2040 if (stream != null) { 2041 stream.close(); 2042 } 2043 } catch (IOException ex) { 2044 // Ignore 2045 } 2046 journal.rollback(); 2047 } 2048 } 2049 2050 private void sendChangedNotification(int userHandle) { 2051 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2052 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2053 long ident = mInjector.binderClearCallingIdentity(); 2054 try { 2055 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2056 } finally { 2057 mInjector.binderRestoreCallingIdentity(ident); 2058 } 2059 } 2060 2061 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2062 JournaledFile journal = makeJournaledFile(userHandle); 2063 FileInputStream stream = null; 2064 File file = journal.chooseForRead(); 2065 try { 2066 stream = new FileInputStream(file); 2067 XmlPullParser parser = Xml.newPullParser(); 2068 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2069 2070 int type; 2071 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2072 && type != XmlPullParser.START_TAG) { 2073 } 2074 String tag = parser.getName(); 2075 if (!"policies".equals(tag)) { 2076 throw new XmlPullParserException( 2077 "Settings do not start with policies tag: found " + tag); 2078 } 2079 2080 // Extract the permission provider component name if available 2081 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2082 if (permissionProvider != null) { 2083 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2084 } 2085 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2086 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2087 policy.mUserSetupComplete = true; 2088 } 2089 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2090 if (!TextUtils.isEmpty(permissionPolicy)) { 2091 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2092 } 2093 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2094 ATTR_DELEGATED_CERT_INSTALLER); 2095 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2096 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2097 2098 type = parser.next(); 2099 int outerDepth = parser.getDepth(); 2100 policy.mLockTaskPackages.clear(); 2101 policy.mAdminList.clear(); 2102 policy.mAdminMap.clear(); 2103 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2104 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2105 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2106 continue; 2107 } 2108 tag = parser.getName(); 2109 if ("admin".equals(tag)) { 2110 String name = parser.getAttributeValue(null, "name"); 2111 try { 2112 DeviceAdminInfo dai = findAdmin( 2113 ComponentName.unflattenFromString(name), userHandle, 2114 /* throwForMissionPermission= */ false); 2115 if (VERBOSE_LOG 2116 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2117 != userHandle)) { 2118 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2119 + dai.getActivityInfo().applicationInfo.uid + " for user " 2120 + userHandle); 2121 } 2122 if (dai != null) { 2123 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2124 ap.readFromXml(parser); 2125 policy.mAdminMap.put(ap.info.getComponent(), ap); 2126 } 2127 } catch (RuntimeException e) { 2128 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2129 } 2130 } else if ("failed-password-attempts".equals(tag)) { 2131 policy.mFailedPasswordAttempts = Integer.parseInt( 2132 parser.getAttributeValue(null, "value")); 2133 } else if ("password-owner".equals(tag)) { 2134 policy.mPasswordOwner = Integer.parseInt( 2135 parser.getAttributeValue(null, "value")); 2136 } else if ("active-password".equals(tag)) { 2137 policy.mActivePasswordQuality = Integer.parseInt( 2138 parser.getAttributeValue(null, "quality")); 2139 policy.mActivePasswordLength = Integer.parseInt( 2140 parser.getAttributeValue(null, "length")); 2141 policy.mActivePasswordUpperCase = Integer.parseInt( 2142 parser.getAttributeValue(null, "uppercase")); 2143 policy.mActivePasswordLowerCase = Integer.parseInt( 2144 parser.getAttributeValue(null, "lowercase")); 2145 policy.mActivePasswordLetters = Integer.parseInt( 2146 parser.getAttributeValue(null, "letters")); 2147 policy.mActivePasswordNumeric = Integer.parseInt( 2148 parser.getAttributeValue(null, "numeric")); 2149 policy.mActivePasswordSymbols = Integer.parseInt( 2150 parser.getAttributeValue(null, "symbols")); 2151 policy.mActivePasswordNonLetter = Integer.parseInt( 2152 parser.getAttributeValue(null, "nonletter")); 2153 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2154 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2155 } else if (TAG_STATUS_BAR.equals(tag)) { 2156 policy.mStatusBarDisabled = Boolean.parseBoolean( 2157 parser.getAttributeValue(null, ATTR_DISABLED)); 2158 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2159 policy.doNotAskCredentialsOnBoot = true; 2160 } else { 2161 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2162 XmlUtils.skipCurrentTag(parser); 2163 } 2164 } 2165 } catch (FileNotFoundException e) { 2166 // Don't be noisy, this is normal if we haven't defined any policies. 2167 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2168 | IndexOutOfBoundsException e) { 2169 Slog.w(LOG_TAG, "failed parsing " + file, e); 2170 } 2171 try { 2172 if (stream != null) { 2173 stream.close(); 2174 } 2175 } catch (IOException e) { 2176 // Ignore 2177 } 2178 2179 // Generate a list of admins from the admin map 2180 policy.mAdminList.addAll(policy.mAdminMap.values()); 2181 2182 // Validate that what we stored for the password quality matches 2183 // sufficiently what is currently set. Note that this is only 2184 // a sanity check in case the two get out of sync; this should 2185 // never normally happen. 2186 final long identity = mInjector.binderClearCallingIdentity(); 2187 try { 2188 LockPatternUtils utils = mInjector.newLockPatternUtils(); 2189 if (utils.getActivePasswordQuality(userHandle) < policy.mActivePasswordQuality) { 2190 Slog.w(LOG_TAG, "Active password quality 0x" 2191 + Integer.toHexString(policy.mActivePasswordQuality) 2192 + " does not match actual quality 0x" 2193 + Integer.toHexString(utils.getActivePasswordQuality(userHandle))); 2194 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2195 policy.mActivePasswordLength = 0; 2196 policy.mActivePasswordUpperCase = 0; 2197 policy.mActivePasswordLowerCase = 0; 2198 policy.mActivePasswordLetters = 0; 2199 policy.mActivePasswordNumeric = 0; 2200 policy.mActivePasswordSymbols = 0; 2201 policy.mActivePasswordNonLetter = 0; 2202 } 2203 } finally { 2204 mInjector.binderRestoreCallingIdentity(identity); 2205 } 2206 2207 validatePasswordOwnerLocked(policy); 2208 updateMaximumTimeToLockLocked(policy); 2209 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2210 if (policy.mStatusBarDisabled) { 2211 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2212 } 2213 } 2214 2215 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2216 long ident = mInjector.binderClearCallingIdentity(); 2217 try { 2218 mInjector.getIActivityManager() 2219 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2220 } catch (RemoteException e) { 2221 // Not gonna happen. 2222 } finally { 2223 mInjector.binderRestoreCallingIdentity(ident); 2224 } 2225 } 2226 2227 private void updateDeviceOwnerLocked() { 2228 long ident = mInjector.binderClearCallingIdentity(); 2229 try { 2230 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2231 // user id and also protect all other DAs too. 2232 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2233 if (deviceOwnerComponent != null) { 2234 mInjector.getIActivityManager() 2235 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2236 } 2237 } catch (RemoteException e) { 2238 // Not gonna happen. 2239 } finally { 2240 mInjector.binderRestoreCallingIdentity(ident); 2241 } 2242 } 2243 2244 static void validateQualityConstant(int quality) { 2245 switch (quality) { 2246 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2247 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2248 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2249 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2250 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2251 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2252 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2253 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2254 return; 2255 } 2256 throw new IllegalArgumentException("Invalid quality constant: 0x" 2257 + Integer.toHexString(quality)); 2258 } 2259 2260 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2261 if (policy.mPasswordOwner >= 0) { 2262 boolean haveOwner = false; 2263 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2264 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2265 haveOwner = true; 2266 break; 2267 } 2268 } 2269 if (!haveOwner) { 2270 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2271 + " no longer active; disabling"); 2272 policy.mPasswordOwner = -1; 2273 } 2274 } 2275 } 2276 2277 @VisibleForTesting 2278 void systemReady(int phase) { 2279 if (!mHasFeature) { 2280 return; 2281 } 2282 switch (phase) { 2283 case SystemService.PHASE_LOCK_SETTINGS_READY: 2284 onLockSettingsReady(); 2285 break; 2286 case SystemService.PHASE_BOOT_COMPLETED: 2287 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2288 break; 2289 } 2290 } 2291 2292 private void onLockSettingsReady() { 2293 getUserData(UserHandle.USER_SYSTEM); 2294 loadOwners(); 2295 cleanUpOldUsers(); 2296 2297 onStartUser(UserHandle.USER_SYSTEM); 2298 2299 // Register an observer for watching for user setup complete. 2300 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 2301 // Initialize the user setup state, to handle the upgrade case. 2302 updateUserSetupComplete(); 2303 2304 List<String> packageList; 2305 synchronized (this) { 2306 packageList = getKeepUninstalledPackagesLocked(); 2307 } 2308 if (packageList != null) { 2309 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2310 } 2311 } 2312 2313 private void ensureDeviceOwnerUserStarted() { 2314 final int userId; 2315 synchronized (this) { 2316 if (!mOwners.hasDeviceOwner()) { 2317 return; 2318 } 2319 userId = mOwners.getDeviceOwnerUserId(); 2320 } 2321 if (VERBOSE_LOG) { 2322 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2323 } 2324 if (userId != UserHandle.USER_SYSTEM) { 2325 try { 2326 mInjector.getIActivityManager().startUserInBackground(userId); 2327 2328 // STOPSHIP Prevent the DO user from being killed. 2329 2330 } catch (RemoteException e) { 2331 Slog.w(LOG_TAG, "Exception starting user", e); 2332 } 2333 } 2334 } 2335 2336 private void onStartUser(int userId) { 2337 updateScreenCaptureDisabledInWindowManager(userId, 2338 getScreenCaptureDisabled(null, userId)); 2339 pushUserRestrictions(userId); 2340 } 2341 2342 private void cleanUpOldUsers() { 2343 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2344 // before reboot 2345 Set<Integer> usersWithProfileOwners; 2346 Set<Integer> usersWithData; 2347 synchronized(this) { 2348 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2349 usersWithData = new ArraySet<>(); 2350 for (int i = 0; i < mUserData.size(); i++) { 2351 usersWithData.add(mUserData.keyAt(i)); 2352 } 2353 } 2354 List<UserInfo> allUsers = mUserManager.getUsers(); 2355 2356 Set<Integer> deletedUsers = new ArraySet<>(); 2357 deletedUsers.addAll(usersWithProfileOwners); 2358 deletedUsers.addAll(usersWithData); 2359 for (UserInfo userInfo : allUsers) { 2360 deletedUsers.remove(userInfo.id); 2361 } 2362 for (Integer userId : deletedUsers) { 2363 removeUserData(userId); 2364 } 2365 } 2366 2367 private void handlePasswordExpirationNotification(int userHandle) { 2368 synchronized (this) { 2369 final long now = System.currentTimeMillis(); 2370 2371 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2372 for (UserInfo ui : profiles) { 2373 int profileUserHandle = ui.id; 2374 final DevicePolicyData policy = getUserData(profileUserHandle); 2375 final int count = policy.mAdminList.size(); 2376 if (count > 0) { 2377 for (int i = 0; i < count; i++) { 2378 final ActiveAdmin admin = policy.mAdminList.get(i); 2379 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2380 && admin.passwordExpirationTimeout > 0L 2381 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2382 && admin.passwordExpirationDate > 0L) { 2383 sendAdminCommandLocked(admin, 2384 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2385 } 2386 } 2387 } 2388 } 2389 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 2390 } 2391 } 2392 2393 private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { 2394 @Override 2395 protected Void doInBackground(Intent... params) { 2396 int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 2397 2398 if (userHandle == UserHandle.USER_ALL) { 2399 for (UserInfo userInfo : mUserManager.getUsers()) { 2400 manageNotification(userInfo.getUserHandle()); 2401 } 2402 } else { 2403 manageNotification(new UserHandle(userHandle)); 2404 } 2405 return null; 2406 } 2407 2408 private void manageNotification(UserHandle userHandle) { 2409 if (!mUserManager.isUserRunning(userHandle)) { 2410 return; 2411 } 2412 2413 // Call out to KeyChain to check for user-added CAs 2414 boolean hasCert = false; 2415 try { 2416 KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); 2417 try { 2418 if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { 2419 hasCert = true; 2420 } 2421 } catch (RemoteException e) { 2422 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 2423 } finally { 2424 kcs.close(); 2425 } 2426 } catch (InterruptedException e) { 2427 Thread.currentThread().interrupt(); 2428 } catch (RuntimeException e) { 2429 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 2430 } 2431 if (!hasCert) { 2432 mInjector.getNotificationManager().cancelAsUser( 2433 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2434 return; 2435 } 2436 2437 // Build and show a warning notification 2438 int smallIconId; 2439 String contentText; 2440 // TODO Why does it use the DO name? The cert APIs are all for PO. b/25772443 2441 final String ownerName = getDeviceOwnerName(); 2442 if (isManagedProfile(userHandle.getIdentifier())) { 2443 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); 2444 smallIconId = R.drawable.stat_sys_certificate_info; 2445 } else if (ownerName != null) { 2446 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); 2447 smallIconId = R.drawable.stat_sys_certificate_info; 2448 } else { 2449 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2450 smallIconId = android.R.drawable.stat_sys_warning; 2451 } 2452 2453 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2454 dialogIntent.setFlags( 2455 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2456 dialogIntent.setPackage("com.android.settings"); 2457 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2458 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 2459 2460 final Context userContext; 2461 try { 2462 userContext = mContext.createPackageContextAsUser("android", 0, userHandle); 2463 } catch (PackageManager.NameNotFoundException e) { 2464 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2465 return; 2466 } 2467 final Notification noti = new Notification.Builder(userContext) 2468 .setSmallIcon(smallIconId) 2469 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 2470 .setContentText(contentText) 2471 .setContentIntent(notifyIntent) 2472 .setPriority(Notification.PRIORITY_HIGH) 2473 .setShowWhen(false) 2474 .setColor(mContext.getColor( 2475 com.android.internal.R.color.system_notification_accent_color)) 2476 .build(); 2477 2478 mInjector.getNotificationManager().notifyAsUser( 2479 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2480 } 2481 } 2482 2483 /** 2484 * @param adminReceiver The admin to add 2485 * @param refreshing true = update an active admin, no error 2486 */ 2487 @Override 2488 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2489 if (!mHasFeature) { 2490 return; 2491 } 2492 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2493 } 2494 2495 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2496 Bundle onEnableData) { 2497 mContext.enforceCallingOrSelfPermission( 2498 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2499 enforceFullCrossUsersPermission(userHandle); 2500 2501 DevicePolicyData policy = getUserData(userHandle); 2502 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2503 /* throwForMissionPermission= */ true); 2504 if (info == null) { 2505 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2506 } 2507 synchronized (this) { 2508 long ident = mInjector.binderClearCallingIdentity(); 2509 try { 2510 if (!refreshing 2511 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 2512 throw new IllegalArgumentException("Admin is already added"); 2513 } 2514 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2515 policy.mAdminMap.put(adminReceiver, newAdmin); 2516 int replaceIndex = -1; 2517 final int N = policy.mAdminList.size(); 2518 for (int i=0; i < N; i++) { 2519 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2520 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2521 replaceIndex = i; 2522 break; 2523 } 2524 } 2525 if (replaceIndex == -1) { 2526 policy.mAdminList.add(newAdmin); 2527 enableIfNecessary(info.getPackageName(), userHandle); 2528 } else { 2529 policy.mAdminList.set(replaceIndex, newAdmin); 2530 } 2531 saveSettingsLocked(userHandle); 2532 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2533 onEnableData, null); 2534 } finally { 2535 mInjector.binderRestoreCallingIdentity(ident); 2536 } 2537 } 2538 } 2539 2540 @Override 2541 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2542 if (!mHasFeature) { 2543 return false; 2544 } 2545 enforceFullCrossUsersPermission(userHandle); 2546 synchronized (this) { 2547 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2548 } 2549 } 2550 2551 @Override 2552 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2553 if (!mHasFeature) { 2554 return false; 2555 } 2556 enforceFullCrossUsersPermission(userHandle); 2557 synchronized (this) { 2558 DevicePolicyData policyData = getUserData(userHandle); 2559 return policyData.mRemovingAdmins.contains(adminReceiver); 2560 } 2561 } 2562 2563 @Override 2564 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2565 if (!mHasFeature) { 2566 return false; 2567 } 2568 enforceFullCrossUsersPermission(userHandle); 2569 synchronized (this) { 2570 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2571 if (administrator == null) { 2572 throw new SecurityException("No active admin " + adminReceiver); 2573 } 2574 return administrator.info.usesPolicy(policyId); 2575 } 2576 } 2577 2578 @Override 2579 @SuppressWarnings("unchecked") 2580 public List<ComponentName> getActiveAdmins(int userHandle) { 2581 if (!mHasFeature) { 2582 return Collections.EMPTY_LIST; 2583 } 2584 2585 enforceFullCrossUsersPermission(userHandle); 2586 synchronized (this) { 2587 DevicePolicyData policy = getUserData(userHandle); 2588 final int N = policy.mAdminList.size(); 2589 if (N <= 0) { 2590 return null; 2591 } 2592 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2593 for (int i=0; i<N; i++) { 2594 res.add(policy.mAdminList.get(i).info.getComponent()); 2595 } 2596 return res; 2597 } 2598 } 2599 2600 @Override 2601 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2602 if (!mHasFeature) { 2603 return false; 2604 } 2605 enforceFullCrossUsersPermission(userHandle); 2606 synchronized (this) { 2607 DevicePolicyData policy = getUserData(userHandle); 2608 final int N = policy.mAdminList.size(); 2609 for (int i=0; i<N; i++) { 2610 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2611 return true; 2612 } 2613 } 2614 return false; 2615 } 2616 } 2617 2618 @Override 2619 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2620 if (!mHasFeature) { 2621 return; 2622 } 2623 enforceFullCrossUsersPermission(userHandle); 2624 synchronized (this) { 2625 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2626 if (admin == null) { 2627 return; 2628 } 2629 if (admin.getUid() != mInjector.binderGetCallingUid()) { 2630 // Active device/profile owners must remain active admins. 2631 if (isDeviceOwner(adminReceiver, userHandle) 2632 || isProfileOwner(adminReceiver, userHandle)) { 2633 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 2634 adminReceiver); 2635 return; 2636 } 2637 mContext.enforceCallingOrSelfPermission( 2638 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2639 } 2640 long ident = mInjector.binderClearCallingIdentity(); 2641 try { 2642 removeActiveAdminLocked(adminReceiver, userHandle); 2643 } finally { 2644 mInjector.binderRestoreCallingIdentity(ident); 2645 } 2646 } 2647 } 2648 2649 private boolean isAdminApiLevelMOrBelow(@NonNull ComponentName who, int userHandle) { 2650 DeviceAdminInfo adminInfo = findAdmin(who, userHandle, false); 2651 return adminInfo.getActivityInfo().applicationInfo.targetSdkVersion 2652 <= Build.VERSION_CODES.M; 2653 } 2654 2655 @Override 2656 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 2657 ComponentName profileOwner = getProfileOwner(userHandle); 2658 return !isAdminApiLevelMOrBelow(profileOwner, userHandle); 2659 } 2660 2661 @Override 2662 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 2663 if (!mHasFeature) { 2664 return; 2665 } 2666 Preconditions.checkNotNull(who, "ComponentName is null"); 2667 final int userHandle = UserHandle.getCallingUserId(); 2668 validateQualityConstant(quality); 2669 2670 synchronized (this) { 2671 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2672 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2673 if (parent) { 2674 ap = ap.getParentActiveAdmin(); 2675 } 2676 if (ap.passwordQuality != quality) { 2677 ap.passwordQuality = quality; 2678 saveSettingsLocked(userHandle); 2679 } 2680 } 2681 } 2682 2683 @Override 2684 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 2685 if (!mHasFeature) { 2686 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2687 } 2688 enforceFullCrossUsersPermission(userHandle); 2689 synchronized (this) { 2690 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2691 2692 if (who != null) { 2693 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2694 if (parent && admin != null) { 2695 admin = admin.getParentActiveAdmin(); 2696 } 2697 return admin != null ? admin.passwordQuality : mode; 2698 } 2699 2700 if (isSeparateProfileChallengeEnabled(userHandle) && !parent) { 2701 // If a Work Challenge is in use, only return its restrictions. 2702 DevicePolicyData policy = getUserDataUnchecked(userHandle); 2703 final int N = policy.mAdminList.size(); 2704 for (int i = 0; i < N; i++) { 2705 ActiveAdmin admin = policy.mAdminList.get(i); 2706 if (mode < admin.passwordQuality) { 2707 mode = admin.passwordQuality; 2708 } 2709 } 2710 } else { 2711 // Return strictest policy for this user and profiles that are visible from this 2712 // user that do not use a separate work challenge. 2713 // TODO: When there are separate parent restrictions the profile should just 2714 // obey its own. 2715 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2716 for (UserInfo userInfo : profiles) { 2717 // Only aggregate data for the parent profile plus the non-work challenge 2718 // enabled profiles. 2719 if (!(userInfo.isManagedProfile() 2720 && isSeparateProfileChallengeEnabled(userInfo.id))) { 2721 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2722 final int N = policy.mAdminList.size(); 2723 for (int i = 0; i < N; i++) { 2724 ActiveAdmin admin = policy.mAdminList.get(i); 2725 if (mode < admin.passwordQuality) { 2726 mode = admin.passwordQuality; 2727 } 2728 } 2729 } 2730 } 2731 } 2732 return mode; 2733 } 2734 } 2735 2736 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 2737 long ident = mInjector.binderClearCallingIdentity(); 2738 try { 2739 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 2740 } finally { 2741 mInjector.binderRestoreCallingIdentity(ident); 2742 } 2743 } 2744 2745 @Override 2746 public void setPasswordMinimumLength(ComponentName who, int length) { 2747 if (!mHasFeature) { 2748 return; 2749 } 2750 Preconditions.checkNotNull(who, "ComponentName is null"); 2751 final int userHandle = UserHandle.getCallingUserId(); 2752 synchronized (this) { 2753 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2754 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2755 if (ap.minimumPasswordLength != length) { 2756 ap.minimumPasswordLength = length; 2757 saveSettingsLocked(userHandle); 2758 } 2759 } 2760 } 2761 2762 @Override 2763 public int getPasswordMinimumLength(ComponentName who, int userHandle) { 2764 if (!mHasFeature) { 2765 return 0; 2766 } 2767 enforceFullCrossUsersPermission(userHandle); 2768 synchronized (this) { 2769 int length = 0; 2770 2771 if (who != null) { 2772 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2773 return admin != null ? admin.minimumPasswordLength : length; 2774 } 2775 2776 // Return strictest policy for this user and profiles that are visible from this user. 2777 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2778 for (UserInfo userInfo : profiles) { 2779 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2780 final int N = policy.mAdminList.size(); 2781 for (int i=0; i<N; i++) { 2782 ActiveAdmin admin = policy.mAdminList.get(i); 2783 if (length < admin.minimumPasswordLength) { 2784 length = admin.minimumPasswordLength; 2785 } 2786 } 2787 } 2788 return length; 2789 } 2790 } 2791 2792 @Override 2793 public void setPasswordHistoryLength(ComponentName who, int length) { 2794 if (!mHasFeature) { 2795 return; 2796 } 2797 Preconditions.checkNotNull(who, "ComponentName is null"); 2798 final int userHandle = UserHandle.getCallingUserId(); 2799 synchronized (this) { 2800 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2801 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2802 if (ap.passwordHistoryLength != length) { 2803 ap.passwordHistoryLength = length; 2804 saveSettingsLocked(userHandle); 2805 } 2806 } 2807 } 2808 2809 @Override 2810 public int getPasswordHistoryLength(ComponentName who, int userHandle) { 2811 if (!mHasFeature) { 2812 return 0; 2813 } 2814 enforceFullCrossUsersPermission(userHandle); 2815 synchronized (this) { 2816 int length = 0; 2817 2818 if (who != null) { 2819 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2820 return admin != null ? admin.passwordHistoryLength : length; 2821 } 2822 2823 // Return strictest policy for this user and profiles that are visible from this user. 2824 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2825 for (UserInfo userInfo : profiles) { 2826 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2827 final int N = policy.mAdminList.size(); 2828 for (int i = 0; i < N; i++) { 2829 ActiveAdmin admin = policy.mAdminList.get(i); 2830 if (length < admin.passwordHistoryLength) { 2831 length = admin.passwordHistoryLength; 2832 } 2833 } 2834 } 2835 return length; 2836 } 2837 } 2838 2839 @Override 2840 public void setPasswordExpirationTimeout(ComponentName who, long timeout) { 2841 if (!mHasFeature) { 2842 return; 2843 } 2844 Preconditions.checkNotNull(who, "ComponentName is null"); 2845 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 2846 final int userHandle = UserHandle.getCallingUserId(); 2847 synchronized (this) { 2848 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2849 DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); 2850 // Calling this API automatically bumps the expiration date 2851 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 2852 ap.passwordExpirationDate = expiration; 2853 ap.passwordExpirationTimeout = timeout; 2854 if (timeout > 0L) { 2855 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 2856 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 2857 .format(new Date(expiration))); 2858 } 2859 saveSettingsLocked(userHandle); 2860 // in case this is the first one 2861 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 2862 } 2863 } 2864 2865 /** 2866 * Return a single admin's expiration cycle time, or the min of all cycle times. 2867 * Returns 0 if not configured. 2868 */ 2869 @Override 2870 public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { 2871 if (!mHasFeature) { 2872 return 0L; 2873 } 2874 enforceFullCrossUsersPermission(userHandle); 2875 synchronized (this) { 2876 long timeout = 0L; 2877 2878 if (who != null) { 2879 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2880 return admin != null ? admin.passwordExpirationTimeout : timeout; 2881 } 2882 2883 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2884 for (UserInfo userInfo : profiles) { 2885 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2886 final int N = policy.mAdminList.size(); 2887 for (int i = 0; i < N; i++) { 2888 ActiveAdmin admin = policy.mAdminList.get(i); 2889 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 2890 && timeout > admin.passwordExpirationTimeout)) { 2891 timeout = admin.passwordExpirationTimeout; 2892 } 2893 } 2894 } 2895 return timeout; 2896 } 2897 } 2898 2899 @Override 2900 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2901 final int userId = UserHandle.getCallingUserId(); 2902 List<String> changedProviders = null; 2903 2904 synchronized (this) { 2905 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2906 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2907 if (activeAdmin.crossProfileWidgetProviders == null) { 2908 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 2909 } 2910 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2911 if (!providers.contains(packageName)) { 2912 providers.add(packageName); 2913 changedProviders = new ArrayList<>(providers); 2914 saveSettingsLocked(userId); 2915 } 2916 } 2917 2918 if (changedProviders != null) { 2919 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2920 return true; 2921 } 2922 2923 return false; 2924 } 2925 2926 @Override 2927 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2928 final int userId = UserHandle.getCallingUserId(); 2929 List<String> changedProviders = null; 2930 2931 synchronized (this) { 2932 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2933 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2934 if (activeAdmin.crossProfileWidgetProviders == null) { 2935 return false; 2936 } 2937 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2938 if (providers.remove(packageName)) { 2939 changedProviders = new ArrayList<>(providers); 2940 saveSettingsLocked(userId); 2941 } 2942 } 2943 2944 if (changedProviders != null) { 2945 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2946 return true; 2947 } 2948 2949 return false; 2950 } 2951 2952 @Override 2953 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 2954 synchronized (this) { 2955 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2956 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2957 if (activeAdmin.crossProfileWidgetProviders == null 2958 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 2959 return null; 2960 } 2961 if (mInjector.binderIsCallingUidMyUid()) { 2962 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 2963 } else { 2964 return activeAdmin.crossProfileWidgetProviders; 2965 } 2966 } 2967 } 2968 2969 /** 2970 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 2971 * Returns 0 if not configured. 2972 */ 2973 private long getPasswordExpirationLocked(ComponentName who, int userHandle) { 2974 long timeout = 0L; 2975 2976 if (who != null) { 2977 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2978 return admin != null ? admin.passwordExpirationDate : timeout; 2979 } 2980 2981 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2982 for (UserInfo userInfo : profiles) { 2983 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2984 final int N = policy.mAdminList.size(); 2985 for (int i = 0; i < N; i++) { 2986 ActiveAdmin admin = policy.mAdminList.get(i); 2987 if (timeout == 0L || (admin.passwordExpirationDate != 0 2988 && timeout > admin.passwordExpirationDate)) { 2989 timeout = admin.passwordExpirationDate; 2990 } 2991 } 2992 } 2993 return timeout; 2994 } 2995 2996 @Override 2997 public long getPasswordExpiration(ComponentName who, int userHandle) { 2998 if (!mHasFeature) { 2999 return 0L; 3000 } 3001 enforceFullCrossUsersPermission(userHandle); 3002 synchronized (this) { 3003 return getPasswordExpirationLocked(who, userHandle); 3004 } 3005 } 3006 3007 @Override 3008 public void setPasswordMinimumUpperCase(ComponentName who, int length) { 3009 if (!mHasFeature) { 3010 return; 3011 } 3012 Preconditions.checkNotNull(who, "ComponentName is null"); 3013 final int userHandle = UserHandle.getCallingUserId(); 3014 synchronized (this) { 3015 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3016 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 3017 if (ap.minimumPasswordUpperCase != length) { 3018 ap.minimumPasswordUpperCase = length; 3019 saveSettingsLocked(userHandle); 3020 } 3021 } 3022 } 3023 3024 @Override 3025 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { 3026 if (!mHasFeature) { 3027 return 0; 3028 } 3029 enforceFullCrossUsersPermission(userHandle); 3030 synchronized (this) { 3031 int length = 0; 3032 3033 if (who != null) { 3034 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3035 return admin != null ? admin.minimumPasswordUpperCase : length; 3036 } 3037 3038 // Return strictest policy for this user and profiles that are visible from this user. 3039 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3040 for (UserInfo userInfo : profiles) { 3041 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3042 final int N = policy.mAdminList.size(); 3043 for (int i=0; i<N; i++) { 3044 ActiveAdmin admin = policy.mAdminList.get(i); 3045 if (length < admin.minimumPasswordUpperCase) { 3046 length = admin.minimumPasswordUpperCase; 3047 } 3048 } 3049 } 3050 return length; 3051 } 3052 } 3053 3054 @Override 3055 public void setPasswordMinimumLowerCase(ComponentName who, int length) { 3056 Preconditions.checkNotNull(who, "ComponentName is null"); 3057 final int userHandle = UserHandle.getCallingUserId(); 3058 synchronized (this) { 3059 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3060 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 3061 if (ap.minimumPasswordLowerCase != length) { 3062 ap.minimumPasswordLowerCase = length; 3063 saveSettingsLocked(userHandle); 3064 } 3065 } 3066 } 3067 3068 @Override 3069 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { 3070 if (!mHasFeature) { 3071 return 0; 3072 } 3073 enforceFullCrossUsersPermission(userHandle); 3074 synchronized (this) { 3075 int length = 0; 3076 3077 if (who != null) { 3078 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3079 return admin != null ? admin.minimumPasswordLowerCase : length; 3080 } 3081 3082 // Return strictest policy for this user and profiles that are visible from this user. 3083 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3084 for (UserInfo userInfo : profiles) { 3085 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3086 final int N = policy.mAdminList.size(); 3087 for (int i=0; i<N; i++) { 3088 ActiveAdmin admin = policy.mAdminList.get(i); 3089 if (length < admin.minimumPasswordLowerCase) { 3090 length = admin.minimumPasswordLowerCase; 3091 } 3092 } 3093 } 3094 return length; 3095 } 3096 } 3097 3098 @Override 3099 public void setPasswordMinimumLetters(ComponentName who, int length) { 3100 if (!mHasFeature) { 3101 return; 3102 } 3103 Preconditions.checkNotNull(who, "ComponentName is null"); 3104 final int userHandle = UserHandle.getCallingUserId(); 3105 synchronized (this) { 3106 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3107 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 3108 if (ap.minimumPasswordLetters != length) { 3109 ap.minimumPasswordLetters = length; 3110 saveSettingsLocked(userHandle); 3111 } 3112 } 3113 } 3114 3115 @Override 3116 public int getPasswordMinimumLetters(ComponentName who, int userHandle) { 3117 if (!mHasFeature) { 3118 return 0; 3119 } 3120 enforceFullCrossUsersPermission(userHandle); 3121 synchronized (this) { 3122 int length = 0; 3123 3124 if (who != null) { 3125 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3126 return admin != null ? admin.minimumPasswordLetters : length; 3127 } 3128 3129 // Return strictest policy for this user and profiles that are visible from this user. 3130 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3131 for (UserInfo userInfo : profiles) { 3132 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3133 final int N = policy.mAdminList.size(); 3134 for (int i=0; i<N; i++) { 3135 ActiveAdmin admin = policy.mAdminList.get(i); 3136 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3137 continue; 3138 } 3139 if (length < admin.minimumPasswordLetters) { 3140 length = admin.minimumPasswordLetters; 3141 } 3142 } 3143 } 3144 return length; 3145 } 3146 } 3147 3148 @Override 3149 public void setPasswordMinimumNumeric(ComponentName who, int length) { 3150 if (!mHasFeature) { 3151 return; 3152 } 3153 Preconditions.checkNotNull(who, "ComponentName is null"); 3154 final int userHandle = UserHandle.getCallingUserId(); 3155 synchronized (this) { 3156 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3157 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 3158 if (ap.minimumPasswordNumeric != length) { 3159 ap.minimumPasswordNumeric = length; 3160 saveSettingsLocked(userHandle); 3161 } 3162 } 3163 } 3164 3165 @Override 3166 public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { 3167 if (!mHasFeature) { 3168 return 0; 3169 } 3170 enforceFullCrossUsersPermission(userHandle); 3171 synchronized (this) { 3172 int length = 0; 3173 3174 if (who != null) { 3175 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3176 return admin != null ? admin.minimumPasswordNumeric : length; 3177 } 3178 3179 // Return strictest policy for this user and profiles that are visible from this user. 3180 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3181 for (UserInfo userInfo : profiles) { 3182 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3183 final int N = policy.mAdminList.size(); 3184 for (int i = 0; i < N; i++) { 3185 ActiveAdmin admin = policy.mAdminList.get(i); 3186 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3187 continue; 3188 } 3189 if (length < admin.minimumPasswordNumeric) { 3190 length = admin.minimumPasswordNumeric; 3191 } 3192 } 3193 } 3194 return length; 3195 } 3196 } 3197 3198 @Override 3199 public void setPasswordMinimumSymbols(ComponentName who, int length) { 3200 if (!mHasFeature) { 3201 return; 3202 } 3203 Preconditions.checkNotNull(who, "ComponentName is null"); 3204 final int userHandle = UserHandle.getCallingUserId(); 3205 synchronized (this) { 3206 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3207 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 3208 if (ap.minimumPasswordSymbols != length) { 3209 ap.minimumPasswordSymbols = length; 3210 saveSettingsLocked(userHandle); 3211 } 3212 } 3213 } 3214 3215 @Override 3216 public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { 3217 if (!mHasFeature) { 3218 return 0; 3219 } 3220 enforceFullCrossUsersPermission(userHandle); 3221 synchronized (this) { 3222 int length = 0; 3223 3224 if (who != null) { 3225 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3226 return admin != null ? admin.minimumPasswordSymbols : length; 3227 } 3228 3229 // Return strictest policy for this user and profiles that are visible from this user. 3230 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3231 for (UserInfo userInfo : profiles) { 3232 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3233 final int N = policy.mAdminList.size(); 3234 for (int i=0; i<N; i++) { 3235 ActiveAdmin admin = policy.mAdminList.get(i); 3236 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3237 continue; 3238 } 3239 if (length < admin.minimumPasswordSymbols) { 3240 length = admin.minimumPasswordSymbols; 3241 } 3242 } 3243 } 3244 return length; 3245 } 3246 } 3247 3248 @Override 3249 public void setPasswordMinimumNonLetter(ComponentName who, int length) { 3250 if (!mHasFeature) { 3251 return; 3252 } 3253 Preconditions.checkNotNull(who, "ComponentName is null"); 3254 final int userHandle = UserHandle.getCallingUserId(); 3255 synchronized (this) { 3256 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3257 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 3258 if (ap.minimumPasswordNonLetter != length) { 3259 ap.minimumPasswordNonLetter = length; 3260 saveSettingsLocked(userHandle); 3261 } 3262 } 3263 } 3264 3265 @Override 3266 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { 3267 if (!mHasFeature) { 3268 return 0; 3269 } 3270 enforceFullCrossUsersPermission(userHandle); 3271 synchronized (this) { 3272 int length = 0; 3273 3274 if (who != null) { 3275 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3276 return admin != null ? admin.minimumPasswordNonLetter : length; 3277 } 3278 3279 // Return strictest policy for this user and profiles that are visible from this user. 3280 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3281 for (UserInfo userInfo : profiles) { 3282 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3283 final int N = policy.mAdminList.size(); 3284 for (int i=0; i<N; i++) { 3285 ActiveAdmin admin = policy.mAdminList.get(i); 3286 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3287 continue; 3288 } 3289 if (length < admin.minimumPasswordNonLetter) { 3290 length = admin.minimumPasswordNonLetter; 3291 } 3292 } 3293 } 3294 return length; 3295 } 3296 } 3297 3298 @Override 3299 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3300 if (!mHasFeature) { 3301 return true; 3302 } 3303 enforceFullCrossUsersPermission(userHandle); 3304 3305 synchronized (this) { 3306 int id = getCredentialOwner(userHandle); 3307 DevicePolicyData policy = getUserDataUnchecked(id); 3308 3309 // This API can only be called by an active device admin, 3310 // so try to retrieve it to check that the caller is one. 3311 ActiveAdmin admin = 3312 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 3313 ComponentName adminComponentName = admin.info.getComponent(); 3314 // TODO: Include the Admin sdk level check in LockPatternUtils check. 3315 ComponentName who = !isAdminApiLevelMOrBelow(adminComponentName, userHandle) 3316 && isSeparateProfileChallengeEnabled(userHandle) 3317 ? adminComponentName : null; 3318 if (policy.mActivePasswordQuality < getPasswordQuality(who, userHandle, parent) 3319 || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { 3320 return false; 3321 } 3322 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3323 return true; 3324 } 3325 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) 3326 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) 3327 && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) 3328 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) 3329 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) 3330 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); 3331 } 3332 } 3333 3334 @Override 3335 public int getCurrentFailedPasswordAttempts(int userHandle) { 3336 synchronized (this) { 3337 // This API can only be called by an active device admin, 3338 // so try to retrieve it to check that the caller is one. 3339 getActiveAdminForCallerLocked(null, 3340 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 3341 3342 int credentialOwnerId = getCredentialOwner(userHandle); 3343 DevicePolicyData policy = getUserDataUnchecked(credentialOwnerId); 3344 3345 return policy.mFailedPasswordAttempts; 3346 } 3347 } 3348 3349 @Override 3350 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num) { 3351 if (!mHasFeature) { 3352 return; 3353 } 3354 Preconditions.checkNotNull(who, "ComponentName is null"); 3355 final int userHandle = UserHandle.getCallingUserId(); 3356 synchronized (this) { 3357 // This API can only be called by an active device admin, 3358 // so try to retrieve it to check that the caller is one. 3359 getActiveAdminForCallerLocked(who, 3360 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 3361 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3362 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 3363 if (ap.maximumFailedPasswordsForWipe != num) { 3364 ap.maximumFailedPasswordsForWipe = num; 3365 saveSettingsLocked(userHandle); 3366 } 3367 } 3368 } 3369 3370 @Override 3371 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { 3372 if (!mHasFeature) { 3373 return 0; 3374 } 3375 enforceFullCrossUsersPermission(userHandle); 3376 synchronized (this) { 3377 ActiveAdmin admin = (who != null) ? getActiveAdminUncheckedLocked(who, userHandle) 3378 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 3379 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3380 } 3381 } 3382 3383 @Override 3384 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle) { 3385 if (!mHasFeature) { 3386 return UserHandle.USER_NULL; 3387 } 3388 enforceFullCrossUsersPermission(userHandle); 3389 synchronized (this) { 3390 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 3391 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3392 } 3393 } 3394 3395 /** 3396 * Returns the admin with the strictest policy on maximum failed passwords for this user and all 3397 * profiles that are visible from this user. If the policy for the primary and any other profile 3398 * are equal, it returns the admin for the primary profile. 3399 * Returns {@code null} if none of them have that policy set. 3400 */ 3401 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked(int userHandle) { 3402 int count = 0; 3403 ActiveAdmin strictestAdmin = null; 3404 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3405 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3406 for (ActiveAdmin admin : policy.mAdminList) { 3407 if (admin.maximumFailedPasswordsForWipe == 3408 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3409 continue; // No max number of failed passwords policy set for this profile. 3410 } 3411 3412 // We always favor the primary profile if several profiles have the same value set. 3413 if (count == 0 || 3414 count > admin.maximumFailedPasswordsForWipe || 3415 (userInfo.isPrimary() && count >= admin.maximumFailedPasswordsForWipe)) { 3416 count = admin.maximumFailedPasswordsForWipe; 3417 strictestAdmin = admin; 3418 } 3419 } 3420 } 3421 return strictestAdmin; 3422 } 3423 3424 @Override 3425 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3426 if (!mHasFeature) { 3427 return false; 3428 } 3429 final int callingUid = mInjector.binderGetCallingUid(); 3430 final int userHandle = mInjector.userHandleGetCallingUserId(); 3431 3432 long ident = mInjector.binderClearCallingIdentity(); 3433 try { 3434 if (getCredentialOwner(userHandle) != userHandle) { 3435 throw new SecurityException("You can not change password for this profile because" 3436 + " it shares the password with the owner profile"); 3437 } 3438 } finally { 3439 mInjector.binderRestoreCallingIdentity(ident); 3440 } 3441 3442 String password = passwordOrNull != null ? passwordOrNull : ""; 3443 3444 int quality; 3445 synchronized (this) { 3446 // If caller has PO (or DO), it can clear the password, so see if that's the case 3447 // first. 3448 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 3449 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 3450 if (admin == null) { 3451 // Otherwise, make sure the caller has any active admin with the right policy. 3452 admin = getActiveAdminForCallerLocked(null, 3453 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 3454 } 3455 3456 final ComponentName adminComponent = admin.info.getComponent(); 3457 3458 // As of N, only profile owners and device owners can reset the password. 3459 if (!(isProfileOwner(adminComponent, userHandle) 3460 || isDeviceOwner(adminComponent, userHandle))) { 3461 final boolean preN = getTargetSdk(admin.info.getPackageName(), userHandle) 3462 < android.os.Build.VERSION_CODES.N; 3463 // As of N, password resetting to empty/null is not allowed anymore. 3464 // TODO Should we allow DO/PO to set an empty password? 3465 if (TextUtils.isEmpty(password)) { 3466 if (!preN) { 3467 throw new SecurityException("Cannot call with null password"); 3468 } else { 3469 Slog.e(LOG_TAG, "Cannot call with null password"); 3470 return false; 3471 } 3472 } 3473 // As of N, password cannot be changed by the admin if it is already set. 3474 if (isLockScreenSecureUnchecked(userHandle)) { 3475 if (!preN) { 3476 throw new SecurityException("Admin cannot change current password"); 3477 } else { 3478 Slog.e(LOG_TAG, "Admin cannot change current password"); 3479 return false; 3480 } 3481 } 3482 } 3483 quality = getPasswordQuality(null, userHandle, false); 3484 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 3485 int realQuality = LockPatternUtils.computePasswordQuality(password); 3486 if (realQuality < quality 3487 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3488 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 3489 + Integer.toHexString(realQuality) 3490 + " does not meet required quality 0x" 3491 + Integer.toHexString(quality)); 3492 return false; 3493 } 3494 quality = Math.max(realQuality, quality); 3495 } 3496 int length = getPasswordMinimumLength(null, userHandle); 3497 if (password.length() < length) { 3498 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 3499 + " does not meet required length " + length); 3500 return false; 3501 } 3502 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3503 int letters = 0; 3504 int uppercase = 0; 3505 int lowercase = 0; 3506 int numbers = 0; 3507 int symbols = 0; 3508 int nonletter = 0; 3509 for (int i = 0; i < password.length(); i++) { 3510 char c = password.charAt(i); 3511 if (c >= 'A' && c <= 'Z') { 3512 letters++; 3513 uppercase++; 3514 } else if (c >= 'a' && c <= 'z') { 3515 letters++; 3516 lowercase++; 3517 } else if (c >= '0' && c <= '9') { 3518 numbers++; 3519 nonletter++; 3520 } else { 3521 symbols++; 3522 nonletter++; 3523 } 3524 } 3525 int neededLetters = getPasswordMinimumLetters(null, userHandle); 3526 if(letters < neededLetters) { 3527 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 3528 + " does not meet required number of letters " + neededLetters); 3529 return false; 3530 } 3531 int neededNumbers = getPasswordMinimumNumeric(null, userHandle); 3532 if (numbers < neededNumbers) { 3533 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 3534 + " does not meet required number of numerical digits " 3535 + neededNumbers); 3536 return false; 3537 } 3538 int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); 3539 if (lowercase < neededLowerCase) { 3540 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 3541 + " does not meet required number of lowercase letters " 3542 + neededLowerCase); 3543 return false; 3544 } 3545 int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); 3546 if (uppercase < neededUpperCase) { 3547 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 3548 + " does not meet required number of uppercase letters " 3549 + neededUpperCase); 3550 return false; 3551 } 3552 int neededSymbols = getPasswordMinimumSymbols(null, userHandle); 3553 if (symbols < neededSymbols) { 3554 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 3555 + " does not meet required number of special symbols " + neededSymbols); 3556 return false; 3557 } 3558 int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); 3559 if (nonletter < neededNonLetter) { 3560 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 3561 + " does not meet required number of non-letter characters " 3562 + neededNonLetter); 3563 return false; 3564 } 3565 } 3566 } 3567 3568 DevicePolicyData policy = getUserData(userHandle); 3569 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 3570 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 3571 return false; 3572 } 3573 3574 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 3575 boolean doNotAskCredentialsOnBoot = 3576 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 3577 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 3578 setDoNotAskCredentialsOnBoot(); 3579 } 3580 3581 // Don't do this with the lock held, because it is going to call 3582 // back in to the service. 3583 ident = mInjector.binderClearCallingIdentity(); 3584 try { 3585 LockPatternUtils utils = mInjector.newLockPatternUtils(); 3586 if (!TextUtils.isEmpty(password)) { 3587 utils.saveLockPassword(password, null, quality, userHandle); 3588 } else { 3589 utils.clearLock(userHandle); 3590 } 3591 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 3592 if (requireEntry) { 3593 utils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 3594 UserHandle.USER_ALL); 3595 } 3596 synchronized (this) { 3597 int newOwner = requireEntry ? callingUid : -1; 3598 if (policy.mPasswordOwner != newOwner) { 3599 policy.mPasswordOwner = newOwner; 3600 saveSettingsLocked(userHandle); 3601 } 3602 } 3603 } finally { 3604 mInjector.binderRestoreCallingIdentity(ident); 3605 } 3606 3607 return true; 3608 } 3609 3610 private boolean isLockScreenSecureUnchecked(int userId) { 3611 long ident = mInjector.binderClearCallingIdentity(); 3612 try { 3613 return mInjector.newLockPatternUtils().isSecure(userId); 3614 } finally { 3615 mInjector.binderRestoreCallingIdentity(ident); 3616 } 3617 } 3618 3619 private void setDoNotAskCredentialsOnBoot() { 3620 synchronized (this) { 3621 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 3622 if (!policyData.doNotAskCredentialsOnBoot) { 3623 policyData.doNotAskCredentialsOnBoot = true; 3624 saveSettingsLocked(UserHandle.USER_SYSTEM); 3625 } 3626 } 3627 } 3628 3629 @Override 3630 public boolean getDoNotAskCredentialsOnBoot() { 3631 mContext.enforceCallingOrSelfPermission( 3632 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 3633 synchronized (this) { 3634 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 3635 return policyData.doNotAskCredentialsOnBoot; 3636 } 3637 } 3638 3639 @Override 3640 public void setMaximumTimeToLock(ComponentName who, long timeMs) { 3641 if (!mHasFeature) { 3642 return; 3643 } 3644 Preconditions.checkNotNull(who, "ComponentName is null"); 3645 final int userHandle = UserHandle.getCallingUserId(); 3646 synchronized (this) { 3647 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3648 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 3649 if (ap.maximumTimeToUnlock != timeMs) { 3650 ap.maximumTimeToUnlock = timeMs; 3651 saveSettingsLocked(userHandle); 3652 updateMaximumTimeToLockLocked(getUserData(userHandle)); 3653 } 3654 } 3655 } 3656 3657 void updateMaximumTimeToLockLocked(DevicePolicyData policy) { 3658 long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); 3659 if (policy.mLastMaximumTimeToLock == timeMs) { 3660 return; 3661 } 3662 3663 long ident = mInjector.binderClearCallingIdentity(); 3664 try { 3665 if (timeMs <= 0) { 3666 timeMs = Integer.MAX_VALUE; 3667 } else { 3668 // Make sure KEEP_SCREEN_ON is disabled, since that 3669 // would allow bypassing of the maximum time to lock. 3670 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 3671 } 3672 3673 policy.mLastMaximumTimeToLock = timeMs; 3674 // TODO It can overflow. Cap it. 3675 mInjector.getPowerManagerInternal() 3676 .setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); 3677 } finally { 3678 mInjector.binderRestoreCallingIdentity(ident); 3679 } 3680 } 3681 3682 @Override 3683 public long getMaximumTimeToLock(ComponentName who, int userHandle) { 3684 if (!mHasFeature) { 3685 return 0; 3686 } 3687 enforceFullCrossUsersPermission(userHandle); 3688 synchronized (this) { 3689 long time = 0; 3690 3691 if (who != null) { 3692 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3693 return admin != null ? admin.maximumTimeToUnlock : time; 3694 } 3695 3696 // Return strictest policy for this user and profiles that are visible from this user. 3697 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3698 for (UserInfo userInfo : profiles) { 3699 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3700 final int N = policy.mAdminList.size(); 3701 for (int i=0; i<N; i++) { 3702 ActiveAdmin admin = policy.mAdminList.get(i); 3703 if (time == 0) { 3704 time = admin.maximumTimeToUnlock; 3705 } else if (admin.maximumTimeToUnlock != 0 3706 && time > admin.maximumTimeToUnlock) { 3707 time = admin.maximumTimeToUnlock; 3708 } 3709 } 3710 } 3711 return time; 3712 } 3713 } 3714 3715 @Override 3716 public void lockNow() { 3717 if (!mHasFeature) { 3718 return; 3719 } 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(null, 3724 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 3725 lockNowUnchecked(); 3726 } 3727 } 3728 3729 private void lockNowUnchecked() { 3730 long ident = mInjector.binderClearCallingIdentity(); 3731 try { 3732 // Power off the display 3733 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 3734 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 3735 // Ensure the device is locked 3736 new LockPatternUtils(mContext).requireStrongAuth( 3737 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, UserHandle.USER_ALL); 3738 mInjector.getIWindowManager().lockNow(null); 3739 } catch (RemoteException e) { 3740 } finally { 3741 mInjector.binderRestoreCallingIdentity(ident); 3742 } 3743 } 3744 3745 @Override 3746 public void enforceCanManageCaCerts(ComponentName who) { 3747 if (who == null) { 3748 if (!isCallerDelegatedCertInstaller()) { 3749 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 3750 } 3751 } else { 3752 synchronized (this) { 3753 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3754 } 3755 } 3756 } 3757 3758 private void enforceCanManageInstalledKeys(ComponentName who) { 3759 if (who == null) { 3760 if (!isCallerDelegatedCertInstaller()) { 3761 throw new SecurityException("who == null, but caller is not cert installer"); 3762 } 3763 } else { 3764 synchronized (this) { 3765 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3766 } 3767 } 3768 } 3769 3770 private boolean isCallerDelegatedCertInstaller() { 3771 final int callingUid = mInjector.binderGetCallingUid(); 3772 final int userHandle = UserHandle.getUserId(callingUid); 3773 synchronized (this) { 3774 final DevicePolicyData policy = getUserData(userHandle); 3775 if (policy.mDelegatedCertInstallerPackage == null) { 3776 return false; 3777 } 3778 3779 try { 3780 int uid = mContext.getPackageManager().getPackageUidAsUser( 3781 policy.mDelegatedCertInstallerPackage, userHandle); 3782 return uid == callingUid; 3783 } catch (NameNotFoundException e) { 3784 return false; 3785 } 3786 } 3787 } 3788 3789 @Override 3790 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 3791 enforceCanManageCaCerts(admin); 3792 3793 byte[] pemCert; 3794 try { 3795 X509Certificate cert = parseCert(certBuffer); 3796 pemCert = Credentials.convertToPem(cert); 3797 } catch (CertificateException ce) { 3798 Log.e(LOG_TAG, "Problem converting cert", ce); 3799 return false; 3800 } catch (IOException ioe) { 3801 Log.e(LOG_TAG, "Problem reading cert", ioe); 3802 return false; 3803 } 3804 3805 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3806 final long id = mInjector.binderClearCallingIdentity(); 3807 try { 3808 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3809 try { 3810 keyChainConnection.getService().installCaCertificate(pemCert); 3811 return true; 3812 } catch (RemoteException e) { 3813 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 3814 } finally { 3815 keyChainConnection.close(); 3816 } 3817 } catch (InterruptedException e1) { 3818 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 3819 Thread.currentThread().interrupt(); 3820 } finally { 3821 mInjector.binderRestoreCallingIdentity(id); 3822 } 3823 return false; 3824 } 3825 3826 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 3827 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 3828 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 3829 certBuffer)); 3830 } 3831 3832 @Override 3833 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 3834 enforceCanManageCaCerts(admin); 3835 3836 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3837 final long id = mInjector.binderClearCallingIdentity(); 3838 try { 3839 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3840 try { 3841 for (int i = 0 ; i < aliases.length; i++) { 3842 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 3843 } 3844 } catch (RemoteException e) { 3845 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 3846 } finally { 3847 keyChainConnection.close(); 3848 } 3849 } catch (InterruptedException ie) { 3850 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 3851 Thread.currentThread().interrupt(); 3852 } finally { 3853 mInjector.binderRestoreCallingIdentity(id); 3854 } 3855 } 3856 3857 @Override 3858 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias) { 3859 enforceCanManageInstalledKeys(who); 3860 3861 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3862 final long id = mInjector.binderClearCallingIdentity(); 3863 try { 3864 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3865 try { 3866 IKeyChainService keyChain = keyChainConnection.getService(); 3867 return keyChain.installKeyPair(privKey, cert, alias); 3868 } catch (RemoteException e) { 3869 Log.e(LOG_TAG, "Installing certificate", e); 3870 } finally { 3871 keyChainConnection.close(); 3872 } 3873 } catch (InterruptedException e) { 3874 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 3875 Thread.currentThread().interrupt(); 3876 } finally { 3877 mInjector.binderRestoreCallingIdentity(id); 3878 } 3879 return false; 3880 } 3881 3882 @Override 3883 public boolean removeKeyPair(ComponentName who, String alias) { 3884 enforceCanManageInstalledKeys(who); 3885 3886 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3887 final long id = Binder.clearCallingIdentity(); 3888 try { 3889 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3890 try { 3891 IKeyChainService keyChain = keyChainConnection.getService(); 3892 return keyChain.removeKeyPair(alias); 3893 } catch (RemoteException e) { 3894 Log.e(LOG_TAG, "Removing keypair", e); 3895 } finally { 3896 keyChainConnection.close(); 3897 } 3898 } catch (InterruptedException e) { 3899 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 3900 Thread.currentThread().interrupt(); 3901 } finally { 3902 Binder.restoreCallingIdentity(id); 3903 } 3904 return false; 3905 } 3906 3907 @Override 3908 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 3909 final IBinder response) { 3910 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 3911 if (!UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID)) { 3912 return; 3913 } 3914 3915 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 3916 // If there is a profile owner, redirect to that; otherwise query the device owner. 3917 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 3918 if (aliasChooser == null && caller.isSystem()) { 3919 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 3920 if (deviceOwnerAdmin != null) { 3921 aliasChooser = deviceOwnerAdmin.info.getComponent(); 3922 } 3923 } 3924 if (aliasChooser == null) { 3925 sendPrivateKeyAliasResponse(null, response); 3926 return; 3927 } 3928 3929 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 3930 intent.setComponent(aliasChooser); 3931 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 3932 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 3933 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 3934 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 3935 3936 final long id = mInjector.binderClearCallingIdentity(); 3937 try { 3938 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 3939 @Override 3940 public void onReceive(Context context, Intent intent) { 3941 final String chosenAlias = getResultData(); 3942 sendPrivateKeyAliasResponse(chosenAlias, response); 3943 } 3944 }, null, Activity.RESULT_OK, null, null); 3945 } finally { 3946 mInjector.binderRestoreCallingIdentity(id); 3947 } 3948 } 3949 3950 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 3951 final IKeyChainAliasCallback keyChainAliasResponse = 3952 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 3953 new AsyncTask<Void, Void, Void>() { 3954 @Override 3955 protected Void doInBackground(Void... unused) { 3956 try { 3957 keyChainAliasResponse.alias(alias); 3958 } catch (Exception e) { 3959 // Catch everything (not just RemoteException): caller could throw a 3960 // RuntimeException back across processes. 3961 Log.e(LOG_TAG, "error while responding to callback", e); 3962 } 3963 return null; 3964 } 3965 }.execute(); 3966 } 3967 3968 @Override 3969 public void setCertInstallerPackage(ComponentName who, String installerPackage) 3970 throws SecurityException { 3971 int userHandle = UserHandle.getCallingUserId(); 3972 synchronized (this) { 3973 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3974 DevicePolicyData policy = getUserData(userHandle); 3975 policy.mDelegatedCertInstallerPackage = installerPackage; 3976 saveSettingsLocked(userHandle); 3977 } 3978 } 3979 3980 @Override 3981 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 3982 int userHandle = UserHandle.getCallingUserId(); 3983 synchronized (this) { 3984 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3985 DevicePolicyData policy = getUserData(userHandle); 3986 return policy.mDelegatedCertInstallerPackage; 3987 } 3988 } 3989 3990 @Override 3991 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage) 3992 throws SecurityException { 3993 synchronized (this) { 3994 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3995 } 3996 3997 final int userId = mInjector.userHandleGetCallingUserId(); 3998 final long token = mInjector.binderClearCallingIdentity(); 3999 try{ 4000 ConnectivityManager connectivityManager = (ConnectivityManager) 4001 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4002 return connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage); 4003 } finally { 4004 mInjector.binderRestoreCallingIdentity(token); 4005 } 4006 } 4007 4008 @Override 4009 public String getAlwaysOnVpnPackage(ComponentName admin) 4010 throws SecurityException { 4011 synchronized (this) { 4012 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4013 } 4014 4015 final int userId = mInjector.userHandleGetCallingUserId(); 4016 final long token = mInjector.binderClearCallingIdentity(); 4017 try{ 4018 ConnectivityManager connectivityManager = (ConnectivityManager) 4019 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4020 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4021 } finally { 4022 mInjector.binderRestoreCallingIdentity(token); 4023 } 4024 } 4025 4026 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 4027 if (wipeExtRequested) { 4028 StorageManager sm = (StorageManager) mContext.getSystemService( 4029 Context.STORAGE_SERVICE); 4030 sm.wipeAdoptableDisks(); 4031 } 4032 try { 4033 RecoverySystem.rebootWipeUserData(mContext, reason); 4034 } catch (IOException | SecurityException e) { 4035 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4036 } 4037 } 4038 4039 @Override 4040 public void wipeData(int flags) { 4041 if (!mHasFeature) { 4042 return; 4043 } 4044 final int userHandle = mInjector.userHandleGetCallingUserId(); 4045 enforceFullCrossUsersPermission(userHandle); 4046 synchronized (this) { 4047 // This API can only be called by an active device admin, 4048 // so try to retrieve it to check that the caller is one. 4049 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4050 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4051 4052 final String source = admin.info.getComponent().flattenToShortString(); 4053 4054 long ident = mInjector.binderClearCallingIdentity(); 4055 try { 4056 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4057 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4058 throw new SecurityException( 4059 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4060 } 4061 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4062 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4063 if (manager != null) { 4064 manager.wipe(); 4065 } 4066 } 4067 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4068 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4069 "DevicePolicyManager.wipeData() from " + source); 4070 } finally { 4071 mInjector.binderRestoreCallingIdentity(ident); 4072 } 4073 } 4074 } 4075 4076 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 4077 if (userHandle == UserHandle.USER_SYSTEM) { 4078 wipeDataLocked(wipeExtRequested, reason); 4079 } else { 4080 mHandler.post(new Runnable() { 4081 @Override 4082 public void run() { 4083 try { 4084 IActivityManager am = mInjector.getIActivityManager(); 4085 if (am.getCurrentUser().id == userHandle) { 4086 am.switchUser(UserHandle.USER_SYSTEM); 4087 } 4088 4089 boolean isManagedProfile = isManagedProfile(userHandle); 4090 if (!mUserManager.removeUser(userHandle)) { 4091 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4092 } else if (isManagedProfile) { 4093 sendWipeProfileNotification(); 4094 } 4095 } catch (RemoteException re) { 4096 // Shouldn't happen 4097 } 4098 } 4099 }); 4100 } 4101 } 4102 4103 private void sendWipeProfileNotification() { 4104 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4105 Notification notification = new Notification.Builder(mContext) 4106 .setSmallIcon(android.R.drawable.stat_sys_warning) 4107 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4108 .setContentText(contentText) 4109 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4110 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4111 .build(); 4112 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4113 } 4114 4115 private void clearWipeProfileNotification() { 4116 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4117 } 4118 4119 @Override 4120 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4121 if (!mHasFeature) { 4122 return; 4123 } 4124 enforceFullCrossUsersPermission(userHandle); 4125 mContext.enforceCallingOrSelfPermission( 4126 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4127 4128 synchronized (this) { 4129 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4130 if (admin == null) { 4131 result.sendResult(null); 4132 return; 4133 } 4134 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4135 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4136 intent.setComponent(admin.info.getComponent()); 4137 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4138 null, new BroadcastReceiver() { 4139 @Override 4140 public void onReceive(Context context, Intent intent) { 4141 result.sendResult(getResultExtras(false)); 4142 } 4143 }, null, Activity.RESULT_OK, null, null); 4144 } 4145 } 4146 4147 @Override 4148 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4149 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4150 if (!mHasFeature) { 4151 return; 4152 } 4153 enforceFullCrossUsersPermission(userHandle); 4154 // Managed Profile password can only be changed when per user encryption is present. 4155 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4156 enforceNotManagedProfile(userHandle, "set the active password"); 4157 } 4158 4159 mContext.enforceCallingOrSelfPermission( 4160 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4161 validateQualityConstant(quality); 4162 4163 DevicePolicyData policy = getUserData(userHandle); 4164 4165 long ident = mInjector.binderClearCallingIdentity(); 4166 try { 4167 synchronized (this) { 4168 policy.mActivePasswordQuality = quality; 4169 policy.mActivePasswordLength = length; 4170 policy.mActivePasswordLetters = letters; 4171 policy.mActivePasswordLowerCase = lowercase; 4172 policy.mActivePasswordUpperCase = uppercase; 4173 policy.mActivePasswordNumeric = numbers; 4174 policy.mActivePasswordSymbols = symbols; 4175 policy.mActivePasswordNonLetter = nonletter; 4176 policy.mFailedPasswordAttempts = 0; 4177 saveSettingsLocked(userHandle); 4178 updatePasswordExpirationsLocked(userHandle); 4179 setExpirationAlarmCheckLocked(mContext, policy); 4180 4181 // Send a broadcast to each profile using this password as its primary unlock. 4182 if (mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle)) { 4183 sendAdminCommandLocked( 4184 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4185 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4186 } else { 4187 sendAdminCommandToSelfAndProfilesLocked( 4188 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4189 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4190 } 4191 } 4192 } finally { 4193 mInjector.binderRestoreCallingIdentity(ident); 4194 } 4195 } 4196 4197 /** 4198 * Called any time the device password is updated. Resets all password expiration clocks. 4199 */ 4200 private void updatePasswordExpirationsLocked(int userHandle) { 4201 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 4202 for (UserInfo userInfo : profiles) { 4203 int profileId = userInfo.id; 4204 DevicePolicyData policy = getUserDataUnchecked(profileId); 4205 final int N = policy.mAdminList.size(); 4206 if (N > 0) { 4207 for (int i=0; i<N; i++) { 4208 ActiveAdmin admin = policy.mAdminList.get(i); 4209 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4210 long timeout = admin.passwordExpirationTimeout; 4211 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4212 admin.passwordExpirationDate = expiration; 4213 } 4214 } 4215 } 4216 saveSettingsLocked(profileId); 4217 } 4218 } 4219 4220 @Override 4221 public void reportFailedPasswordAttempt(int userHandle) { 4222 enforceFullCrossUsersPermission(userHandle); 4223 enforceNotManagedProfile(userHandle, "report failed password attempt"); 4224 mContext.enforceCallingOrSelfPermission( 4225 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4226 4227 long ident = mInjector.binderClearCallingIdentity(); 4228 try { 4229 boolean wipeData = false; 4230 int identifier = 0; 4231 synchronized (this) { 4232 DevicePolicyData policy = getUserData(userHandle); 4233 policy.mFailedPasswordAttempts++; 4234 saveSettingsLocked(userHandle); 4235 if (mHasFeature) { 4236 ActiveAdmin strictestAdmin = 4237 getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 4238 int max = strictestAdmin != null 4239 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4240 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4241 // Wipe the user/profile associated with the policy that was violated. This 4242 // is not necessarily calling user: if the policy that fired was from a 4243 // managed profile rather than the main user profile, we wipe former only. 4244 wipeData = true; 4245 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4246 } 4247 sendAdminCommandToSelfAndProfilesLocked( 4248 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4249 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4250 } 4251 } 4252 if (wipeData) { 4253 // Call without holding lock. 4254 wipeDeviceOrUserLocked(false, identifier, 4255 "reportFailedPasswordAttempt()"); 4256 } 4257 } finally { 4258 mInjector.binderRestoreCallingIdentity(ident); 4259 } 4260 } 4261 4262 @Override 4263 public void reportSuccessfulPasswordAttempt(int userHandle) { 4264 enforceFullCrossUsersPermission(userHandle); 4265 mContext.enforceCallingOrSelfPermission( 4266 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4267 4268 synchronized (this) { 4269 DevicePolicyData policy = getUserData(userHandle); 4270 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4271 long ident = mInjector.binderClearCallingIdentity(); 4272 try { 4273 policy.mFailedPasswordAttempts = 0; 4274 policy.mPasswordOwner = -1; 4275 saveSettingsLocked(userHandle); 4276 if (mHasFeature) { 4277 sendAdminCommandToSelfAndProfilesLocked( 4278 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4279 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4280 } 4281 } finally { 4282 mInjector.binderRestoreCallingIdentity(ident); 4283 } 4284 } 4285 } 4286 } 4287 4288 @Override 4289 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 4290 String exclusionList) { 4291 if (!mHasFeature) { 4292 return null; 4293 } 4294 synchronized(this) { 4295 Preconditions.checkNotNull(who, "ComponentName is null"); 4296 4297 // Only check if system user has set global proxy. We don't allow other users to set it. 4298 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4299 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4300 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 4301 4302 // Scan through active admins and find if anyone has already 4303 // set the global proxy. 4304 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 4305 for (ComponentName component : compSet) { 4306 ActiveAdmin ap = policy.mAdminMap.get(component); 4307 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 4308 // Another admin already sets the global proxy 4309 // Return it to the caller. 4310 return component; 4311 } 4312 } 4313 4314 // If the user is not system, don't set the global proxy. Fail silently. 4315 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 4316 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 4317 + UserHandle.getCallingUserId() + " is not permitted."); 4318 return null; 4319 } 4320 if (proxySpec == null) { 4321 admin.specifiesGlobalProxy = false; 4322 admin.globalProxySpec = null; 4323 admin.globalProxyExclusionList = null; 4324 } else { 4325 4326 admin.specifiesGlobalProxy = true; 4327 admin.globalProxySpec = proxySpec; 4328 admin.globalProxyExclusionList = exclusionList; 4329 } 4330 4331 // Reset the global proxy accordingly 4332 // Do this using system permissions, as apps cannot write to secure settings 4333 long origId = mInjector.binderClearCallingIdentity(); 4334 try { 4335 resetGlobalProxyLocked(policy); 4336 } finally { 4337 mInjector.binderRestoreCallingIdentity(origId); 4338 } 4339 return null; 4340 } 4341 } 4342 4343 @Override 4344 public ComponentName getGlobalProxyAdmin(int userHandle) { 4345 if (!mHasFeature) { 4346 return null; 4347 } 4348 enforceFullCrossUsersPermission(userHandle); 4349 synchronized(this) { 4350 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4351 // Scan through active admins and find if anyone has already 4352 // set the global proxy. 4353 final int N = policy.mAdminList.size(); 4354 for (int i = 0; i < N; i++) { 4355 ActiveAdmin ap = policy.mAdminList.get(i); 4356 if (ap.specifiesGlobalProxy) { 4357 // Device admin sets the global proxy 4358 // Return it to the caller. 4359 return ap.info.getComponent(); 4360 } 4361 } 4362 } 4363 // No device admin sets the global proxy. 4364 return null; 4365 } 4366 4367 @Override 4368 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 4369 synchronized (this) { 4370 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4371 } 4372 long token = mInjector.binderClearCallingIdentity(); 4373 try { 4374 ConnectivityManager connectivityManager = (ConnectivityManager) 4375 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4376 connectivityManager.setGlobalProxy(proxyInfo); 4377 } finally { 4378 mInjector.binderRestoreCallingIdentity(token); 4379 } 4380 } 4381 4382 private void resetGlobalProxyLocked(DevicePolicyData policy) { 4383 final int N = policy.mAdminList.size(); 4384 for (int i = 0; i < N; i++) { 4385 ActiveAdmin ap = policy.mAdminList.get(i); 4386 if (ap.specifiesGlobalProxy) { 4387 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 4388 return; 4389 } 4390 } 4391 // No device admins defining global proxies - reset global proxy settings to none 4392 saveGlobalProxyLocked(null, null); 4393 } 4394 4395 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 4396 if (exclusionList == null) { 4397 exclusionList = ""; 4398 } 4399 if (proxySpec == null) { 4400 proxySpec = ""; 4401 } 4402 // Remove white spaces 4403 proxySpec = proxySpec.trim(); 4404 String data[] = proxySpec.split(":"); 4405 int proxyPort = 8080; 4406 if (data.length > 1) { 4407 try { 4408 proxyPort = Integer.parseInt(data[1]); 4409 } catch (NumberFormatException e) {} 4410 } 4411 exclusionList = exclusionList.trim(); 4412 4413 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 4414 if (!proxyProperties.isValid()) { 4415 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 4416 return; 4417 } 4418 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 4419 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 4420 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 4421 exclusionList); 4422 } 4423 4424 /** 4425 * Set the storage encryption request for a single admin. Returns the new total request 4426 * status (for all admins). 4427 */ 4428 @Override 4429 public int setStorageEncryption(ComponentName who, boolean encrypt) { 4430 if (!mHasFeature) { 4431 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4432 } 4433 Preconditions.checkNotNull(who, "ComponentName is null"); 4434 final int userHandle = UserHandle.getCallingUserId(); 4435 synchronized (this) { 4436 // Check for permissions 4437 // Only system user can set storage encryption 4438 if (userHandle != UserHandle.USER_SYSTEM) { 4439 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 4440 + UserHandle.getCallingUserId() + " is not permitted."); 4441 return 0; 4442 } 4443 4444 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4445 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 4446 4447 // Quick exit: If the filesystem does not support encryption, we can exit early. 4448 if (!isEncryptionSupported()) { 4449 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4450 } 4451 4452 // (1) Record the value for the admin so it's sticky 4453 if (ap.encryptionRequested != encrypt) { 4454 ap.encryptionRequested = encrypt; 4455 saveSettingsLocked(userHandle); 4456 } 4457 4458 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4459 // (2) Compute "max" for all admins 4460 boolean newRequested = false; 4461 final int N = policy.mAdminList.size(); 4462 for (int i = 0; i < N; i++) { 4463 newRequested |= policy.mAdminList.get(i).encryptionRequested; 4464 } 4465 4466 // Notify OS of new request 4467 setEncryptionRequested(newRequested); 4468 4469 // Return the new global request status 4470 return newRequested 4471 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 4472 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 4473 } 4474 } 4475 4476 /** 4477 * Get the current storage encryption request status for a given admin, or aggregate of all 4478 * active admins. 4479 */ 4480 @Override 4481 public boolean getStorageEncryption(ComponentName who, int userHandle) { 4482 if (!mHasFeature) { 4483 return false; 4484 } 4485 enforceFullCrossUsersPermission(userHandle); 4486 synchronized (this) { 4487 // Check for permissions if a particular caller is specified 4488 if (who != null) { 4489 // When checking for a single caller, status is based on caller's request 4490 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 4491 return ap != null ? ap.encryptionRequested : false; 4492 } 4493 4494 // If no particular caller is specified, return the aggregate set of requests. 4495 // This is short circuited by returning true on the first hit. 4496 DevicePolicyData policy = getUserData(userHandle); 4497 final int N = policy.mAdminList.size(); 4498 for (int i = 0; i < N; i++) { 4499 if (policy.mAdminList.get(i).encryptionRequested) { 4500 return true; 4501 } 4502 } 4503 return false; 4504 } 4505 } 4506 4507 /** 4508 * Get the current encryption status of the device. 4509 */ 4510 @Override 4511 public int getStorageEncryptionStatus(int userHandle) { 4512 if (!mHasFeature) { 4513 // Ok to return current status. 4514 } 4515 enforceFullCrossUsersPermission(userHandle); 4516 return getEncryptionStatus(); 4517 } 4518 4519 /** 4520 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 4521 */ 4522 private boolean isEncryptionSupported() { 4523 // Note, this can be implemented as 4524 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4525 // But is provided as a separate internal method if there's a faster way to do a 4526 // simple check for supported-or-not. 4527 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4528 } 4529 4530 /** 4531 * Hook to low-levels: Reporting the current status of encryption. 4532 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 4533 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 4534 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, or 4535 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 4536 */ 4537 private int getEncryptionStatus() { 4538 String status = mInjector.systemPropertiesGet("ro.crypto.state", "unsupported"); 4539 if ("encrypted".equalsIgnoreCase(status)) { 4540 final long token = mInjector.binderClearCallingIdentity(); 4541 try { 4542 return LockPatternUtils.isDeviceEncrypted() 4543 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 4544 : DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 4545 } finally { 4546 mInjector.binderRestoreCallingIdentity(token); 4547 } 4548 } else if ("unencrypted".equalsIgnoreCase(status)) { 4549 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 4550 } else { 4551 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 4552 } 4553 } 4554 4555 /** 4556 * Hook to low-levels: If needed, record the new admin setting for encryption. 4557 */ 4558 private void setEncryptionRequested(boolean encrypt) { 4559 } 4560 4561 4562 /** 4563 * Set whether the screen capture is disabled for the user managed by the specified admin. 4564 */ 4565 @Override 4566 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 4567 if (!mHasFeature) { 4568 return; 4569 } 4570 Preconditions.checkNotNull(who, "ComponentName is null"); 4571 final int userHandle = UserHandle.getCallingUserId(); 4572 synchronized (this) { 4573 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4574 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4575 if (ap.disableScreenCapture != disabled) { 4576 ap.disableScreenCapture = disabled; 4577 saveSettingsLocked(userHandle); 4578 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 4579 } 4580 } 4581 } 4582 4583 /** 4584 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 4585 * active admin (if given admin is null). 4586 */ 4587 @Override 4588 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 4589 if (!mHasFeature) { 4590 return false; 4591 } 4592 synchronized (this) { 4593 if (who != null) { 4594 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 4595 return (admin != null) ? admin.disableScreenCapture : false; 4596 } 4597 4598 DevicePolicyData policy = getUserData(userHandle); 4599 final int N = policy.mAdminList.size(); 4600 for (int i = 0; i < N; i++) { 4601 ActiveAdmin admin = policy.mAdminList.get(i); 4602 if (admin.disableScreenCapture) { 4603 return true; 4604 } 4605 } 4606 return false; 4607 } 4608 } 4609 4610 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 4611 final boolean disabled) { 4612 mHandler.post(new Runnable() { 4613 @Override 4614 public void run() { 4615 try { 4616 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 4617 } catch (RemoteException e) { 4618 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 4619 } 4620 } 4621 }); 4622 } 4623 4624 /** 4625 * Set whether auto time is required by the specified admin (must be device owner). 4626 */ 4627 @Override 4628 public void setAutoTimeRequired(ComponentName who, boolean required) { 4629 if (!mHasFeature) { 4630 return; 4631 } 4632 Preconditions.checkNotNull(who, "ComponentName is null"); 4633 final int userHandle = UserHandle.getCallingUserId(); 4634 synchronized (this) { 4635 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4636 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4637 if (admin.requireAutoTime != required) { 4638 admin.requireAutoTime = required; 4639 saveSettingsLocked(userHandle); 4640 } 4641 } 4642 4643 // Turn AUTO_TIME on in settings if it is required 4644 if (required) { 4645 long ident = mInjector.binderClearCallingIdentity(); 4646 try { 4647 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 4648 } finally { 4649 mInjector.binderRestoreCallingIdentity(ident); 4650 } 4651 } 4652 } 4653 4654 /** 4655 * Returns whether or not auto time is required by the device owner. 4656 */ 4657 @Override 4658 public boolean getAutoTimeRequired() { 4659 if (!mHasFeature) { 4660 return false; 4661 } 4662 synchronized (this) { 4663 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 4664 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 4665 } 4666 } 4667 4668 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 4669 synchronized (this) { 4670 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4671 } 4672 final long callingIdentity = mInjector.binderClearCallingIdentity(); 4673 try { 4674 if (mInjector.userManagerIsSplitSystemUser()) { 4675 // In split system user mode, only allow the case where the device owner is managing 4676 // the only non-system user of the device 4677 if (mUserManager.getUserCount() > 2 4678 || mOwners.getDeviceOwnerUserId() == UserHandle.USER_SYSTEM) { 4679 throw new SecurityException( 4680 "There should only be one user, managed by Device Owner"); 4681 } 4682 } else if (mUserManager.getUserCount() > 1) { 4683 throw new SecurityException( 4684 "There should only be one user, managed by Device Owner"); 4685 } 4686 } finally { 4687 mInjector.binderRestoreCallingIdentity(callingIdentity); 4688 } 4689 } 4690 4691 @Override 4692 public boolean requestBugreport(ComponentName who) { 4693 if (!mHasFeature) { 4694 return false; 4695 } 4696 Preconditions.checkNotNull(who, "ComponentName is null"); 4697 ensureDeviceOwnerManagingSingleUser(who); 4698 4699 if (mRemoteBugreportServiceIsActive.get() 4700 || (getDeviceOwnerRemoteBugreportUri() != null)) { 4701 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 4702 return false; 4703 } 4704 4705 final long callingIdentity = mInjector.binderClearCallingIdentity(); 4706 try { 4707 ActivityManagerNative.getDefault().requestBugReport( 4708 ActivityManager.BUGREPORT_OPTION_REMOTE); 4709 4710 mRemoteBugreportServiceIsActive.set(true); 4711 mRemoteBugreportSharingAccepted.set(false); 4712 registerRemoteBugreportReceivers(); 4713 mInjector.getNotificationManager().notify( 4714 LOG_TAG, RemoteBugreportUtils.REMOTE_BUGREPORT_CONSENT_NOTIFICATION_ID, 4715 RemoteBugreportUtils.buildRemoteBugreportConsentNotification(mContext)); 4716 mInjector.getNotificationManager().notify( 4717 LOG_TAG, RemoteBugreportUtils.REMOTE_BUGREPORT_IN_PROGRESS_NOTIFICATION_ID, 4718 RemoteBugreportUtils.buildRemoteBugreportInProgressNotification(mContext, 4719 /* canCancelBugReport */ true)); 4720 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 4721 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 4722 return true; 4723 } catch (RemoteException re) { 4724 // should never happen 4725 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 4726 return false; 4727 } finally { 4728 mInjector.binderRestoreCallingIdentity(callingIdentity); 4729 } 4730 } 4731 4732 private synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 4733 Intent intent = new Intent(action); 4734 intent.setComponent(mOwners.getDeviceOwnerComponent()); 4735 if (extras != null) { 4736 intent.putExtras(extras); 4737 } 4738 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 4739 } 4740 4741 private synchronized String getDeviceOwnerRemoteBugreportUri() { 4742 return mOwners.getDeviceOwnerRemoteBugreportUri(); 4743 } 4744 4745 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 4746 String bugreportHash) { 4747 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 4748 } 4749 4750 private void registerRemoteBugreportReceivers() { 4751 try { 4752 IntentFilter filterFinished = new IntentFilter( 4753 RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_DISPATCH, 4754 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 4755 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 4756 } catch (IntentFilter.MalformedMimeTypeException e) { 4757 // should never happen, as setting a constant 4758 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 4759 } 4760 IntentFilter filterConsent = new IntentFilter(); 4761 filterConsent.addAction(RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_DECLINED); 4762 filterConsent.addAction(RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_ACCEPTED); 4763 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 4764 } 4765 4766 private void onBugreportFinished(Intent intent) { 4767 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 4768 mRemoteBugreportServiceIsActive.set(false); 4769 mInjector.getNotificationManager().cancel(LOG_TAG, 4770 RemoteBugreportUtils.REMOTE_BUGREPORT_IN_PROGRESS_NOTIFICATION_ID); 4771 Uri bugreportUri = intent.getData(); 4772 String bugreportUriString = null; 4773 if (bugreportUri != null) { 4774 bugreportUriString = bugreportUri.toString(); 4775 } 4776 String bugreportHash = intent.getStringExtra( 4777 RemoteBugreportUtils.EXTRA_REMOTE_BUGREPORT_HASH); 4778 if (mRemoteBugreportSharingAccepted.get()) { 4779 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 4780 } else { 4781 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 4782 } 4783 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 4784 } 4785 4786 private void onBugreportFailed() { 4787 mRemoteBugreportServiceIsActive.set(false); 4788 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 4789 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 4790 mRemoteBugreportSharingAccepted.set(false); 4791 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 4792 mInjector.getNotificationManager().cancel(LOG_TAG, 4793 RemoteBugreportUtils.REMOTE_BUGREPORT_CONSENT_NOTIFICATION_ID); 4794 mInjector.getNotificationManager().cancel(LOG_TAG, 4795 RemoteBugreportUtils.REMOTE_BUGREPORT_IN_PROGRESS_NOTIFICATION_ID); 4796 Bundle extras = new Bundle(); 4797 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 4798 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 4799 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 4800 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 4801 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 4802 } 4803 4804 private void onBugreportSharingAccepted() { 4805 mRemoteBugreportSharingAccepted.set(true); 4806 String bugreportUriString = null; 4807 String bugreportHash = null; 4808 synchronized (this) { 4809 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 4810 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 4811 } 4812 if (bugreportUriString != null) { 4813 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 4814 } else if (mRemoteBugreportServiceIsActive.get()) { 4815 mInjector.getNotificationManager().notify(LOG_TAG, 4816 RemoteBugreportUtils.REMOTE_BUGREPORT_IN_PROGRESS_NOTIFICATION_ID, 4817 RemoteBugreportUtils.buildRemoteBugreportInProgressNotification(mContext, 4818 /* canCancelBugReport */ false)); 4819 } 4820 } 4821 4822 private void onBugreportSharingDeclined() { 4823 if (mRemoteBugreportServiceIsActive.get()) { 4824 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 4825 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 4826 mRemoteBugreportServiceIsActive.set(false); 4827 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 4828 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 4829 } 4830 mRemoteBugreportSharingAccepted.set(false); 4831 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 4832 mInjector.getNotificationManager().cancel(LOG_TAG, 4833 RemoteBugreportUtils.REMOTE_BUGREPORT_IN_PROGRESS_NOTIFICATION_ID); 4834 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 4835 } 4836 4837 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 4838 String bugreportHash) { 4839 ParcelFileDescriptor pfd = null; 4840 try { 4841 if (bugreportUriString == null) { 4842 throw new FileNotFoundException(); 4843 } 4844 Uri bugreportUri = Uri.parse(bugreportUriString); 4845 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 4846 4847 synchronized (this) { 4848 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 4849 intent.setComponent(mOwners.getDeviceOwnerComponent()); 4850 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 4851 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 4852 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 4853 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 4854 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 4855 } 4856 } catch (FileNotFoundException e) { 4857 Bundle extras = new Bundle(); 4858 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 4859 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 4860 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 4861 } finally { 4862 try { 4863 if (pfd != null) { 4864 pfd.close(); 4865 } 4866 } catch (IOException ex) { 4867 // Ignore 4868 } 4869 mRemoteBugreportSharingAccepted.set(false); 4870 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 4871 } 4872 } 4873 4874 /** 4875 * Disables all device cameras according to the specified admin. 4876 */ 4877 @Override 4878 public void setCameraDisabled(ComponentName who, boolean disabled) { 4879 if (!mHasFeature) { 4880 return; 4881 } 4882 Preconditions.checkNotNull(who, "ComponentName is null"); 4883 final int userHandle = mInjector.userHandleGetCallingUserId(); 4884 synchronized (this) { 4885 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4886 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 4887 if (ap.disableCamera != disabled) { 4888 ap.disableCamera = disabled; 4889 saveSettingsLocked(userHandle); 4890 } 4891 } 4892 // Tell the user manager that the restrictions have changed. 4893 pushUserRestrictions(userHandle); 4894 } 4895 4896 /** 4897 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 4898 * active admins. 4899 */ 4900 @Override 4901 public boolean getCameraDisabled(ComponentName who, int userHandle) { 4902 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 4903 } 4904 4905 private boolean getCameraDisabled(ComponentName who, int userHandle, 4906 boolean mergeDeviceOwnerRestriction) { 4907 if (!mHasFeature) { 4908 return false; 4909 } 4910 synchronized (this) { 4911 if (who != null) { 4912 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 4913 return (admin != null) ? admin.disableCamera : false; 4914 } 4915 // First, see if DO has set it. If so, it's device-wide. 4916 if (mergeDeviceOwnerRestriction) { 4917 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 4918 if (deviceOwner != null && deviceOwner.disableCamera) { 4919 return true; 4920 } 4921 } 4922 4923 // Then check each device admin on the user. 4924 DevicePolicyData policy = getUserData(userHandle); 4925 // Determine whether or not the device camera is disabled for any active admins. 4926 final int N = policy.mAdminList.size(); 4927 for (int i = 0; i < N; i++) { 4928 ActiveAdmin admin = policy.mAdminList.get(i); 4929 if (admin.disableCamera) { 4930 return true; 4931 } 4932 } 4933 return false; 4934 } 4935 } 4936 4937 /** 4938 * Selectively disable keyguard features. 4939 */ 4940 @Override 4941 public void setKeyguardDisabledFeatures(ComponentName who, int which) { 4942 if (!mHasFeature) { 4943 return; 4944 } 4945 Preconditions.checkNotNull(who, "ComponentName is null"); 4946 final int userHandle = UserHandle.getCallingUserId(); 4947 if (isManagedProfile(userHandle)) { 4948 which = which & PROFILE_KEYGUARD_FEATURES; 4949 } 4950 synchronized (this) { 4951 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4952 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4953 if (ap.disabledKeyguardFeatures != which) { 4954 ap.disabledKeyguardFeatures = which; 4955 saveSettingsLocked(userHandle); 4956 } 4957 } 4958 } 4959 4960 /** 4961 * Gets the disabled state for features in keyguard for the given admin, 4962 * or the aggregate of all active admins if who is null. 4963 */ 4964 @Override 4965 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { 4966 if (!mHasFeature) { 4967 return 0; 4968 } 4969 enforceFullCrossUsersPermission(userHandle); 4970 long ident = mInjector.binderClearCallingIdentity(); 4971 try { 4972 synchronized (this) { 4973 if (who != null) { 4974 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 4975 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 4976 } 4977 4978 UserInfo user = mUserManager.getUserInfo(userHandle); 4979 final List<UserInfo> profiles; 4980 if (user.isManagedProfile()) { 4981 // If we are being asked about a managed profile, just return keyguard features 4982 // disabled by admins in the profile. 4983 profiles = Collections.singletonList(user); 4984 } else { 4985 // Otherwise return those set by admins in the user 4986 // and its profiles. 4987 profiles = mUserManager.getProfiles(userHandle); 4988 } 4989 4990 // Determine which keyguard features are disabled by any active admin. 4991 int which = 0; 4992 for (UserInfo userInfo : profiles) { 4993 DevicePolicyData policy = getUserData(userInfo.id); 4994 final int N = policy.mAdminList.size(); 4995 for (int i = 0; i < N; i++) { 4996 ActiveAdmin admin = policy.mAdminList.get(i); 4997 if (userInfo.id == userHandle || !userInfo.isManagedProfile()) { 4998 // If we are being asked explictly about this user 4999 // return all disabled features even if its a managed profile. 5000 which |= admin.disabledKeyguardFeatures; 5001 } else if (!isSeparateProfileChallengeEnabled( 5002 userInfo.id)) { 5003 // Otherwise a managed profile is only allowed to disable 5004 // some features on the parent user, and we only aggregate them if 5005 // it doesn't have its own challenge. 5006 which |= (admin.disabledKeyguardFeatures 5007 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5008 } 5009 } 5010 } 5011 return which; 5012 } 5013 } finally { 5014 mInjector.binderRestoreCallingIdentity(ident); 5015 } 5016 } 5017 5018 @Override 5019 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5020 if (!mHasFeature) { 5021 return; 5022 } 5023 Preconditions.checkNotNull(who, "ComponentName is null"); 5024 Preconditions.checkNotNull(packageList, "packageList is null"); 5025 final int userHandle = UserHandle.getCallingUserId(); 5026 synchronized (this) { 5027 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5028 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5029 admin.keepUninstalledPackages = packageList; 5030 saveSettingsLocked(userHandle); 5031 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5032 } 5033 } 5034 5035 @Override 5036 public List<String> getKeepUninstalledPackages(ComponentName who) { 5037 Preconditions.checkNotNull(who, "ComponentName is null"); 5038 if (!mHasFeature) { 5039 return null; 5040 } 5041 // TODO In split system user mode, allow apps on user 0 to query the list 5042 synchronized (this) { 5043 // Check if this is the device owner who is calling 5044 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5045 return getKeepUninstalledPackagesLocked(); 5046 } 5047 } 5048 5049 private List<String> getKeepUninstalledPackagesLocked() { 5050 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5051 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5052 } 5053 5054 @Override 5055 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5056 if (!mHasFeature) { 5057 return false; 5058 } 5059 if (admin == null 5060 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5061 throw new IllegalArgumentException("Invalid component " + admin 5062 + " for device owner"); 5063 } 5064 synchronized (this) { 5065 enforceCanSetDeviceOwnerLocked(userId); 5066 5067 // Shutting down backup manager service permanently. 5068 long ident = mInjector.binderClearCallingIdentity(); 5069 try { 5070 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5071 } catch (RemoteException e) { 5072 throw new IllegalStateException("Failed deactivating backup service.", e); 5073 } finally { 5074 mInjector.binderRestoreCallingIdentity(ident); 5075 } 5076 5077 mOwners.setDeviceOwner(admin, ownerName, userId); 5078 mOwners.writeDeviceOwner(); 5079 updateDeviceOwnerLocked(); 5080 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5081 5082 ident = mInjector.binderClearCallingIdentity(); 5083 try { 5084 // TODO Send to system too? 5085 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5086 } finally { 5087 mInjector.binderRestoreCallingIdentity(ident); 5088 } 5089 return true; 5090 } 5091 } 5092 5093 public boolean isDeviceOwner(ComponentName who, int userId) { 5094 synchronized (this) { 5095 return mOwners.hasDeviceOwner() 5096 && mOwners.getDeviceOwnerUserId() == userId 5097 && mOwners.getDeviceOwnerComponent().equals(who); 5098 } 5099 } 5100 5101 public boolean isProfileOwner(ComponentName who, int userId) { 5102 final ComponentName profileOwner = getProfileOwner(userId); 5103 return who != null && who.equals(profileOwner); 5104 } 5105 5106 @Override 5107 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5108 if (!mHasFeature) { 5109 return null; 5110 } 5111 if (!callingUserOnly) { 5112 enforceManageUsers(); 5113 } 5114 synchronized (this) { 5115 if (!mOwners.hasDeviceOwner()) { 5116 return null; 5117 } 5118 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5119 mOwners.getDeviceOwnerUserId()) { 5120 return null; 5121 } 5122 return mOwners.getDeviceOwnerComponent(); 5123 } 5124 } 5125 5126 @Override 5127 public int getDeviceOwnerUserId() { 5128 if (!mHasFeature) { 5129 return UserHandle.USER_NULL; 5130 } 5131 enforceManageUsers(); 5132 synchronized (this) { 5133 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5134 } 5135 } 5136 5137 /** 5138 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5139 * MANAGE_USERS. 5140 */ 5141 @Override 5142 public String getDeviceOwnerName() { 5143 if (!mHasFeature) { 5144 return null; 5145 } 5146 enforceManageUsers(); 5147 synchronized (this) { 5148 if (!mOwners.hasDeviceOwner()) { 5149 return null; 5150 } 5151 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5152 // Should setDeviceOwner/ProfileOwner still take a name? 5153 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5154 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5155 } 5156 } 5157 5158 // Returns the active device owner or null if there is no device owner. 5159 @VisibleForTesting 5160 ActiveAdmin getDeviceOwnerAdminLocked() { 5161 ComponentName component = mOwners.getDeviceOwnerComponent(); 5162 if (component == null) { 5163 return null; 5164 } 5165 5166 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5167 final int n = policy.mAdminList.size(); 5168 for (int i = 0; i < n; i++) { 5169 ActiveAdmin admin = policy.mAdminList.get(i); 5170 if (component.equals(admin.info.getComponent())) { 5171 return admin; 5172 } 5173 } 5174 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5175 return null; 5176 } 5177 5178 @Override 5179 public void clearDeviceOwner(String packageName) { 5180 Preconditions.checkNotNull(packageName, "packageName is null"); 5181 final int callingUid = mInjector.binderGetCallingUid(); 5182 try { 5183 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 0); 5184 if (uid != callingUid) { 5185 throw new SecurityException("Invalid packageName"); 5186 } 5187 } catch (NameNotFoundException e) { 5188 throw new SecurityException(e); 5189 } 5190 synchronized (this) { 5191 if (!mOwners.hasDeviceOwner() 5192 || !mOwners.getDeviceOwnerComponent().getPackageName().equals(packageName) 5193 || (mOwners.getDeviceOwnerUserId() != UserHandle.getUserId(callingUid))) { 5194 throw new SecurityException( 5195 "clearDeviceOwner can only be called by the device owner"); 5196 } 5197 5198 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 5199 if (admin != null) { 5200 admin.disableCamera = false; 5201 admin.userRestrictions = null; 5202 } 5203 5204 clearUserPoliciesLocked(new UserHandle(UserHandle.USER_SYSTEM)); 5205 5206 mOwners.clearDeviceOwner(); 5207 mOwners.writeDeviceOwner(); 5208 updateDeviceOwnerLocked(); 5209 // Reactivate backup service. 5210 long ident = mInjector.binderClearCallingIdentity(); 5211 try { 5212 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 5213 } catch (RemoteException e) { 5214 throw new IllegalStateException("Failed reactivating backup service.", e); 5215 } finally { 5216 mInjector.binderRestoreCallingIdentity(ident); 5217 } 5218 } 5219 } 5220 5221 @Override 5222 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 5223 if (!mHasFeature) { 5224 return false; 5225 } 5226 if (who == null 5227 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 5228 throw new IllegalArgumentException("Component " + who 5229 + " not installed for userId:" + userHandle); 5230 } 5231 synchronized (this) { 5232 enforceCanSetProfileOwnerLocked(userHandle); 5233 mOwners.setProfileOwner(who, ownerName, userHandle); 5234 mOwners.writeProfileOwner(userHandle); 5235 return true; 5236 } 5237 } 5238 5239 @Override 5240 public void clearProfileOwner(ComponentName who) { 5241 if (!mHasFeature) { 5242 return; 5243 } 5244 UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 5245 // Check if this is the profile owner who is calling 5246 final ActiveAdmin admin = 5247 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5248 synchronized (this) { 5249 admin.disableCamera = false; 5250 admin.userRestrictions = null; 5251 clearUserPoliciesLocked(callingUser); 5252 final int userId = callingUser.getIdentifier(); 5253 mOwners.removeProfileOwner(userId); 5254 mOwners.writeProfileOwner(userId); 5255 } 5256 } 5257 5258 @Override 5259 public boolean setDeviceOwnerLockScreenInfo(ComponentName who, String info) { 5260 Preconditions.checkNotNull(who, "ComponentName is null"); 5261 if (!mHasFeature) { 5262 return false; 5263 } 5264 5265 synchronized (this) { 5266 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5267 long token = mInjector.binderClearCallingIdentity(); 5268 try { 5269 new LockPatternUtils(mContext).setDeviceOwnerInfo(info); 5270 } finally { 5271 mInjector.binderRestoreCallingIdentity(token); 5272 } 5273 return true; 5274 } 5275 } 5276 5277 @Override 5278 public String getDeviceOwnerLockScreenInfo() { 5279 return new LockPatternUtils(mContext).getDeviceOwnerInfo(); 5280 } 5281 5282 private void clearUserPoliciesLocked(UserHandle userHandle) { 5283 int userId = userHandle.getIdentifier(); 5284 // Reset some of the user-specific policies 5285 DevicePolicyData policy = getUserData(userId); 5286 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 5287 policy.mDelegatedCertInstallerPackage = null; 5288 policy.mApplicationRestrictionsManagingPackage = null; 5289 policy.mStatusBarDisabled = false; 5290 saveSettingsLocked(userId); 5291 5292 final long ident = mInjector.binderClearCallingIdentity(); 5293 try { 5294 mIPackageManager.updatePermissionFlagsForAllApps( 5295 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 5296 0 /* flagValues */, userHandle.getIdentifier()); 5297 pushUserRestrictions(userHandle.getIdentifier()); 5298 } catch (RemoteException re) { 5299 } finally { 5300 mInjector.binderRestoreCallingIdentity(ident); 5301 } 5302 } 5303 5304 @Override 5305 public boolean hasUserSetupCompleted() { 5306 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 5307 } 5308 5309 private boolean hasUserSetupCompleted(int userHandle) { 5310 if (!mHasFeature) { 5311 return true; 5312 } 5313 return getUserData(userHandle).mUserSetupComplete; 5314 } 5315 5316 @Override 5317 public void setProfileEnabled(ComponentName who) { 5318 if (!mHasFeature) { 5319 return; 5320 } 5321 Preconditions.checkNotNull(who, "ComponentName is null"); 5322 final int userHandle = UserHandle.getCallingUserId(); 5323 synchronized (this) { 5324 // Check if this is the profile owner who is calling 5325 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5326 int userId = UserHandle.getCallingUserId(); 5327 5328 long id = mInjector.binderClearCallingIdentity(); 5329 try { 5330 mUserManager.setUserEnabled(userId); 5331 UserInfo parent = mUserManager.getProfileParent(userId); 5332 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 5333 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userHandle)); 5334 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 5335 Intent.FLAG_RECEIVER_FOREGROUND); 5336 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 5337 } finally { 5338 mInjector.binderRestoreCallingIdentity(id); 5339 } 5340 } 5341 } 5342 5343 @Override 5344 public void setProfileName(ComponentName who, String profileName) { 5345 Preconditions.checkNotNull(who, "ComponentName is null"); 5346 int userId = UserHandle.getCallingUserId(); 5347 // Check if this is the profile owner (includes device owner). 5348 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5349 5350 long id = mInjector.binderClearCallingIdentity(); 5351 try { 5352 mUserManager.setUserName(userId, profileName); 5353 } finally { 5354 mInjector.binderRestoreCallingIdentity(id); 5355 } 5356 } 5357 5358 @Override 5359 public ComponentName getProfileOwner(int userHandle) { 5360 if (!mHasFeature) { 5361 return null; 5362 } 5363 5364 synchronized (this) { 5365 return mOwners.getProfileOwnerComponent(userHandle); 5366 } 5367 } 5368 5369 // Returns the active profile owner for this user or null if the current user has no 5370 // profile owner. 5371 @VisibleForTesting 5372 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 5373 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 5374 if (profileOwner == null) { 5375 return null; 5376 } 5377 DevicePolicyData policy = getUserData(userHandle); 5378 final int n = policy.mAdminList.size(); 5379 for (int i = 0; i < n; i++) { 5380 ActiveAdmin admin = policy.mAdminList.get(i); 5381 if (profileOwner.equals(admin.info.getComponent())) { 5382 return admin; 5383 } 5384 } 5385 return null; 5386 } 5387 5388 @Override 5389 public String getProfileOwnerName(int userHandle) { 5390 if (!mHasFeature) { 5391 return null; 5392 } 5393 enforceManageUsers(); 5394 ComponentName profileOwner = getProfileOwner(userHandle); 5395 if (profileOwner == null) { 5396 return null; 5397 } 5398 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 5399 } 5400 5401 /** 5402 * Canonical name for a given package. 5403 */ 5404 private String getApplicationLabel(String packageName, int userHandle) { 5405 long token = mInjector.binderClearCallingIdentity(); 5406 try { 5407 final Context userContext; 5408 try { 5409 UserHandle handle = new UserHandle(userHandle); 5410 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 5411 } catch (PackageManager.NameNotFoundException nnfe) { 5412 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 5413 return null; 5414 } 5415 ApplicationInfo appInfo = userContext.getApplicationInfo(); 5416 CharSequence result = null; 5417 if (appInfo != null) { 5418 PackageManager pm = userContext.getPackageManager(); 5419 result = pm.getApplicationLabel(appInfo); 5420 } 5421 return result != null ? result.toString() : null; 5422 } finally { 5423 mInjector.binderRestoreCallingIdentity(token); 5424 } 5425 } 5426 5427 /** 5428 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 5429 * permission. 5430 * The profile owner can only be set before the user setup phase has completed, 5431 * except for: 5432 * - SYSTEM_UID 5433 * - adb if there are not accounts. 5434 */ 5435 private void enforceCanSetProfileOwnerLocked(int userHandle) { 5436 UserInfo info = mUserManager.getUserInfo(userHandle); 5437 if (info == null) { 5438 // User doesn't exist. 5439 throw new IllegalArgumentException( 5440 "Attempted to set profile owner for invalid userId: " + userHandle); 5441 } 5442 if (info.isGuest()) { 5443 throw new IllegalStateException("Cannot set a profile owner on a guest"); 5444 } 5445 if (mOwners.hasProfileOwner(userHandle)) { 5446 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 5447 + "is already set."); 5448 } 5449 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 5450 throw new IllegalStateException("Trying to set the profile owner, but the user " 5451 + "already has a device owner."); 5452 } 5453 int callingUid = mInjector.binderGetCallingUid(); 5454 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 5455 if (hasUserSetupCompleted(userHandle) && 5456 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 5457 throw new IllegalStateException("Not allowed to set the profile owner because " 5458 + "there are already some accounts on the profile"); 5459 } 5460 return; 5461 } 5462 mContext.enforceCallingOrSelfPermission( 5463 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 5464 if (hasUserSetupCompleted(userHandle) 5465 && !UserHandle.isSameApp(callingUid, Process.SYSTEM_UID)) { 5466 throw new IllegalStateException("Cannot set the profile owner on a user which is " 5467 + "already set-up"); 5468 } 5469 } 5470 5471 /** 5472 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 5473 * permission. 5474 * The device owner can only be set before the setup phase of the primary user has completed, 5475 * except for adb if no accounts or additional users are present on the device. 5476 */ 5477 private void enforceCanSetDeviceOwnerLocked(int userId) { 5478 if (mOwners.hasDeviceOwner()) { 5479 throw new IllegalStateException("Trying to set the device owner, but device owner " 5480 + "is already set."); 5481 } 5482 if (mOwners.hasProfileOwner(userId)) { 5483 throw new IllegalStateException("Trying to set the device owner, but the user already " 5484 + "has a profile owner."); 5485 } 5486 if (!mUserManager.isUserRunning(new UserHandle(userId))) { 5487 throw new IllegalStateException("User not running: " + userId); 5488 } 5489 5490 int callingUid = mInjector.binderGetCallingUid(); 5491 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 5492 if (!hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 5493 return; 5494 } 5495 // STOPSHIP Do proper check in split user mode 5496 if (!mInjector.userManagerIsSplitSystemUser()) { 5497 if (mUserManager.getUserCount() > 1) { 5498 throw new IllegalStateException( 5499 "Not allowed to set the device owner because there " 5500 + "are already several users on the device"); 5501 } 5502 if (AccountManager.get(mContext).getAccounts().length > 0) { 5503 throw new IllegalStateException( 5504 "Not allowed to set the device owner because there " 5505 + "are already some accounts on the device"); 5506 } 5507 } 5508 return; 5509 } 5510 // STOPSHIP check the caller UID with userId 5511 5512 mContext.enforceCallingOrSelfPermission( 5513 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 5514 // STOPSHIP Do proper check in split user mode 5515 if (!mInjector.userManagerIsSplitSystemUser()) { 5516 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 5517 throw new IllegalStateException("Cannot set the device owner if the device is " 5518 + "already set-up"); 5519 } 5520 } 5521 } 5522 5523 private void enforceManageUsers() { 5524 final int callingUid = mInjector.binderGetCallingUid(); 5525 if (!(UserHandle.isSameApp(callingUid, Process.SYSTEM_UID) 5526 || callingUid == Process.ROOT_UID)) { 5527 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 5528 } 5529 } 5530 5531 private void enforceFullCrossUsersPermission(int userHandle) { 5532 enforceSystemUserOrPermission(userHandle, 5533 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 5534 } 5535 5536 private void enforceCrossUsersPermission(int userHandle) { 5537 enforceSystemUserOrPermission(userHandle, 5538 android.Manifest.permission.INTERACT_ACROSS_USERS); 5539 } 5540 5541 private void enforceSystemUserOrPermission(int userHandle, String permission) { 5542 if (userHandle < 0) { 5543 throw new IllegalArgumentException("Invalid userId " + userHandle); 5544 } 5545 final int callingUid = mInjector.binderGetCallingUid(); 5546 if (userHandle == UserHandle.getUserId(callingUid)) { 5547 return; 5548 } 5549 if (!(UserHandle.isSameApp(callingUid, Process.SYSTEM_UID) 5550 || callingUid == Process.ROOT_UID)) { 5551 mContext.enforceCallingOrSelfPermission(permission, 5552 "Must be system or have " + permission + " permission"); 5553 } 5554 } 5555 5556 private void enforceNotManagedProfile(int userHandle, String message) { 5557 if(isManagedProfile(userHandle)) { 5558 throw new SecurityException("You can not " + message + " for a managed profile. "); 5559 } 5560 } 5561 5562 private int getCredentialOwner(int userHandle) { 5563 long ident = mInjector.binderClearCallingIdentity(); 5564 try { 5565 return mUserManager.getCredentialOwnerProfile(userHandle); 5566 } finally { 5567 mInjector.binderRestoreCallingIdentity(ident); 5568 } 5569 } 5570 5571 private boolean isManagedProfile(int userHandle) { 5572 long ident = mInjector.binderClearCallingIdentity(); 5573 try { 5574 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 5575 } finally { 5576 mInjector.binderRestoreCallingIdentity(ident); 5577 } 5578 } 5579 5580 private void enableIfNecessary(String packageName, int userId) { 5581 try { 5582 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 5583 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 5584 userId); 5585 if (ai.enabledSetting 5586 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 5587 mIPackageManager.setApplicationEnabledSetting(packageName, 5588 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 5589 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 5590 } 5591 } catch (RemoteException e) { 5592 } 5593 } 5594 5595 @Override 5596 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 5597 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 5598 != PackageManager.PERMISSION_GRANTED) { 5599 5600 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 5601 + mInjector.binderGetCallingPid() 5602 + ", uid=" + mInjector.binderGetCallingUid()); 5603 return; 5604 } 5605 5606 synchronized (this) { 5607 pw.println("Current Device Policy Manager state:"); 5608 mOwners.dump(" ", pw); 5609 int userCount = mUserData.size(); 5610 for (int u = 0; u < userCount; u++) { 5611 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 5612 pw.println(); 5613 pw.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); 5614 final int N = policy.mAdminList.size(); 5615 for (int i=0; i<N; i++) { 5616 ActiveAdmin ap = policy.mAdminList.get(i); 5617 if (ap != null) { 5618 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 5619 pw.println(":"); 5620 ap.dump(" ", pw); 5621 } 5622 } 5623 if (!policy.mRemovingAdmins.isEmpty()) { 5624 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 5625 + policy.mRemovingAdmins); 5626 } 5627 5628 pw.println(" "); 5629 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 5630 } 5631 } 5632 } 5633 5634 @Override 5635 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 5636 ComponentName activity) { 5637 Preconditions.checkNotNull(who, "ComponentName is null"); 5638 final int userHandle = UserHandle.getCallingUserId(); 5639 synchronized (this) { 5640 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5641 5642 long id = mInjector.binderClearCallingIdentity(); 5643 try { 5644 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 5645 } catch (RemoteException re) { 5646 // Shouldn't happen 5647 } finally { 5648 mInjector.binderRestoreCallingIdentity(id); 5649 } 5650 } 5651 } 5652 5653 @Override 5654 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 5655 Preconditions.checkNotNull(who, "ComponentName is null"); 5656 final int userHandle = UserHandle.getCallingUserId(); 5657 synchronized (this) { 5658 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5659 5660 long id = mInjector.binderClearCallingIdentity(); 5661 try { 5662 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 5663 } catch (RemoteException re) { 5664 // Shouldn't happen 5665 } finally { 5666 mInjector.binderRestoreCallingIdentity(id); 5667 } 5668 } 5669 } 5670 5671 @Override 5672 public void setApplicationRestrictionsManagingPackage(ComponentName admin, String packageName) { 5673 final int userHandle = mInjector.userHandleGetCallingUserId(); 5674 synchronized (this) { 5675 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5676 DevicePolicyData policy = getUserData(userHandle); 5677 policy.mApplicationRestrictionsManagingPackage = packageName; 5678 saveSettingsLocked(userHandle); 5679 } 5680 } 5681 5682 @Override 5683 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 5684 final int userHandle = mInjector.userHandleGetCallingUserId(); 5685 synchronized (this) { 5686 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5687 DevicePolicyData policy = getUserData(userHandle); 5688 return policy.mApplicationRestrictionsManagingPackage; 5689 } 5690 } 5691 5692 @Override 5693 public boolean isCallerApplicationRestrictionsManagingPackage() { 5694 final int callingUid = mInjector.binderGetCallingUid(); 5695 final int userHandle = UserHandle.getUserId(callingUid); 5696 synchronized (this) { 5697 final DevicePolicyData policy = getUserData(userHandle); 5698 if (policy.mApplicationRestrictionsManagingPackage == null) { 5699 return false; 5700 } 5701 5702 try { 5703 int uid = mContext.getPackageManager().getPackageUidAsUser( 5704 policy.mApplicationRestrictionsManagingPackage, userHandle); 5705 return uid == callingUid; 5706 } catch (NameNotFoundException e) { 5707 return false; 5708 } 5709 } 5710 } 5711 5712 private void enforceCanManageApplicationRestrictions(ComponentName who) { 5713 if (who != null) { 5714 synchronized (this) { 5715 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5716 } 5717 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 5718 throw new SecurityException( 5719 "No admin component given, and caller cannot manage application restrictions " 5720 + "for other apps."); 5721 } 5722 } 5723 5724 @Override 5725 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 5726 enforceCanManageApplicationRestrictions(who); 5727 5728 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 5729 final long id = mInjector.binderClearCallingIdentity(); 5730 try { 5731 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 5732 } finally { 5733 mInjector.binderRestoreCallingIdentity(id); 5734 } 5735 } 5736 5737 @Override 5738 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 5739 PersistableBundle args) { 5740 if (!mHasFeature) { 5741 return; 5742 } 5743 Preconditions.checkNotNull(admin, "admin is null"); 5744 Preconditions.checkNotNull(agent, "agent is null"); 5745 final int userHandle = UserHandle.getCallingUserId(); 5746 enforceNotManagedProfile(userHandle, "set trust agent configuration"); 5747 synchronized (this) { 5748 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 5749 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 5750 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 5751 saveSettingsLocked(userHandle); 5752 } 5753 } 5754 5755 @Override 5756 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 5757 ComponentName agent, int userHandle) { 5758 if (!mHasFeature) { 5759 return null; 5760 } 5761 Preconditions.checkNotNull(agent, "agent null"); 5762 enforceFullCrossUsersPermission(userHandle); 5763 5764 synchronized (this) { 5765 final String componentName = agent.flattenToString(); 5766 if (admin != null) { 5767 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 5768 if (ap == null) return null; 5769 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 5770 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 5771 List<PersistableBundle> result = new ArrayList<PersistableBundle>(); 5772 result.add(trustAgentInfo.options); 5773 return result; 5774 } 5775 5776 // Return strictest policy for this user and profiles that are visible from this user. 5777 final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 5778 List<PersistableBundle> result = null; 5779 5780 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 5781 // of the options. If any admin doesn't have options, discard options for the rest 5782 // and return null. 5783 boolean allAdminsHaveOptions = true; 5784 for (UserInfo userInfo : profiles) { 5785 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 5786 final int N = policy.mAdminList.size(); 5787 for (int i=0; i < N; i++) { 5788 final ActiveAdmin active = policy.mAdminList.get(i); 5789 final boolean disablesTrust = (active.disabledKeyguardFeatures 5790 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 5791 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 5792 if (info != null && info.options != null && !info.options.isEmpty()) { 5793 if (disablesTrust) { 5794 if (result == null) { 5795 result = new ArrayList<PersistableBundle>(); 5796 } 5797 result.add(info.options); 5798 } else { 5799 Log.w(LOG_TAG, "Ignoring admin " + active.info 5800 + " because it has trust options but doesn't declare " 5801 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 5802 } 5803 } else if (disablesTrust) { 5804 allAdminsHaveOptions = false; 5805 break; 5806 } 5807 } 5808 } 5809 return allAdminsHaveOptions ? result : null; 5810 } 5811 } 5812 5813 @Override 5814 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 5815 Preconditions.checkNotNull(who, "ComponentName is null"); 5816 synchronized (this) { 5817 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5818 5819 int userHandle = UserHandle.getCallingUserId(); 5820 DevicePolicyData userData = getUserData(userHandle); 5821 userData.mRestrictionsProvider = permissionProvider; 5822 saveSettingsLocked(userHandle); 5823 } 5824 } 5825 5826 @Override 5827 public ComponentName getRestrictionsProvider(int userHandle) { 5828 synchronized (this) { 5829 if (!UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID)) { 5830 throw new SecurityException("Only the system can query the permission provider"); 5831 } 5832 DevicePolicyData userData = getUserData(userHandle); 5833 return userData != null ? userData.mRestrictionsProvider : null; 5834 } 5835 } 5836 5837 @Override 5838 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 5839 Preconditions.checkNotNull(who, "ComponentName is null"); 5840 int callingUserId = UserHandle.getCallingUserId(); 5841 synchronized (this) { 5842 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5843 5844 long id = mInjector.binderClearCallingIdentity(); 5845 try { 5846 UserInfo parent = mUserManager.getProfileParent(callingUserId); 5847 if (parent == null) { 5848 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 5849 + "parent"); 5850 return; 5851 } 5852 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 5853 mIPackageManager.addCrossProfileIntentFilter( 5854 filter, who.getPackageName(), callingUserId, parent.id, 0); 5855 } 5856 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 5857 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 5858 parent.id, callingUserId, 0); 5859 } 5860 } catch (RemoteException re) { 5861 // Shouldn't happen 5862 } finally { 5863 mInjector.binderRestoreCallingIdentity(id); 5864 } 5865 } 5866 } 5867 5868 @Override 5869 public void clearCrossProfileIntentFilters(ComponentName who) { 5870 Preconditions.checkNotNull(who, "ComponentName is null"); 5871 int callingUserId = UserHandle.getCallingUserId(); 5872 synchronized (this) { 5873 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5874 long id = mInjector.binderClearCallingIdentity(); 5875 try { 5876 UserInfo parent = mUserManager.getProfileParent(callingUserId); 5877 if (parent == null) { 5878 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 5879 + "parent"); 5880 return; 5881 } 5882 // Removing those that go from the managed profile to the parent. 5883 mIPackageManager.clearCrossProfileIntentFilters( 5884 callingUserId, who.getPackageName()); 5885 // And those that go from the parent to the managed profile. 5886 // If we want to support multiple managed profiles, we will have to only remove 5887 // those that have callingUserId as their target. 5888 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 5889 } catch (RemoteException re) { 5890 // Shouldn't happen 5891 } finally { 5892 mInjector.binderRestoreCallingIdentity(id); 5893 } 5894 } 5895 } 5896 5897 /** 5898 * @return true if all packages in enabledPackages are either in the list 5899 * permittedList or are a system app. 5900 */ 5901 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 5902 List<String> permittedList) { 5903 int userIdToCheck = UserHandle.getCallingUserId(); 5904 long id = mInjector.binderClearCallingIdentity(); 5905 try { 5906 // If we have an enabled packages list for a managed profile the packages 5907 // we should check are installed for the parent user. 5908 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 5909 if (user.isManagedProfile()) { 5910 userIdToCheck = user.profileGroupId; 5911 } 5912 5913 for (String enabledPackage : enabledPackages) { 5914 boolean systemService = false; 5915 try { 5916 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 5917 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 5918 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 5919 } catch (RemoteException e) { 5920 Log.i(LOG_TAG, "Can't talk to package managed", e); 5921 } 5922 if (!systemService && !permittedList.contains(enabledPackage)) { 5923 return false; 5924 } 5925 } 5926 } finally { 5927 mInjector.binderRestoreCallingIdentity(id); 5928 } 5929 return true; 5930 } 5931 5932 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 5933 // Not using AccessibilityManager.getInstance because that guesses 5934 // at the user you require based on callingUid and caches for a given 5935 // process. 5936 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 5937 IAccessibilityManager service = iBinder == null 5938 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 5939 return new AccessibilityManager(mContext, service, userId); 5940 } 5941 5942 @Override 5943 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 5944 if (!mHasFeature) { 5945 return false; 5946 } 5947 Preconditions.checkNotNull(who, "ComponentName is null"); 5948 5949 if (packageList != null) { 5950 int userId = UserHandle.getCallingUserId(); 5951 List<AccessibilityServiceInfo> enabledServices = null; 5952 long id = mInjector.binderClearCallingIdentity(); 5953 try { 5954 UserInfo user = mUserManager.getUserInfo(userId); 5955 if (user.isManagedProfile()) { 5956 userId = user.profileGroupId; 5957 } 5958 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 5959 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 5960 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 5961 } finally { 5962 mInjector.binderRestoreCallingIdentity(id); 5963 } 5964 5965 if (enabledServices != null) { 5966 List<String> enabledPackages = new ArrayList<String>(); 5967 for (AccessibilityServiceInfo service : enabledServices) { 5968 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 5969 } 5970 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 5971 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 5972 + "because it contains already enabled accesibility services."); 5973 return false; 5974 } 5975 } 5976 } 5977 5978 synchronized (this) { 5979 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5980 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5981 admin.permittedAccessiblityServices = packageList; 5982 saveSettingsLocked(UserHandle.getCallingUserId()); 5983 } 5984 return true; 5985 } 5986 5987 @Override 5988 public List getPermittedAccessibilityServices(ComponentName who) { 5989 if (!mHasFeature) { 5990 return null; 5991 } 5992 Preconditions.checkNotNull(who, "ComponentName is null"); 5993 5994 synchronized (this) { 5995 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5996 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5997 return admin.permittedAccessiblityServices; 5998 } 5999 } 6000 6001 @Override 6002 public List getPermittedAccessibilityServicesForUser(int userId) { 6003 if (!mHasFeature) { 6004 return null; 6005 } 6006 synchronized (this) { 6007 List<String> result = null; 6008 // If we have multiple profiles we return the intersection of the 6009 // permitted lists. This can happen in cases where we have a device 6010 // and profile owner. 6011 List<UserInfo> profiles = mUserManager.getProfiles(userId); 6012 final int PROFILES_SIZE = profiles.size(); 6013 for (int i = 0; i < PROFILES_SIZE; ++i) { 6014 // Just loop though all admins, only device or profiles 6015 // owners can have permitted lists set. 6016 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 6017 final int N = policy.mAdminList.size(); 6018 for (int j = 0; j < N; j++) { 6019 ActiveAdmin admin = policy.mAdminList.get(j); 6020 List<String> fromAdmin = admin.permittedAccessiblityServices; 6021 if (fromAdmin != null) { 6022 if (result == null) { 6023 result = new ArrayList<String>(fromAdmin); 6024 } else { 6025 result.retainAll(fromAdmin); 6026 } 6027 } 6028 } 6029 } 6030 6031 // If we have a permitted list add all system accessibility services. 6032 if (result != null) { 6033 long id = mInjector.binderClearCallingIdentity(); 6034 try { 6035 UserInfo user = mUserManager.getUserInfo(userId); 6036 if (user.isManagedProfile()) { 6037 userId = user.profileGroupId; 6038 } 6039 AccessibilityManager accessibilityManager = 6040 getAccessibilityManagerForUser(userId); 6041 List<AccessibilityServiceInfo> installedServices = 6042 accessibilityManager.getInstalledAccessibilityServiceList(); 6043 6044 if (installedServices != null) { 6045 for (AccessibilityServiceInfo service : installedServices) { 6046 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 6047 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6048 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6049 result.add(serviceInfo.packageName); 6050 } 6051 } 6052 } 6053 } finally { 6054 mInjector.binderRestoreCallingIdentity(id); 6055 } 6056 } 6057 6058 return result; 6059 } 6060 } 6061 6062 private boolean checkCallerIsCurrentUserOrProfile() { 6063 int callingUserId = UserHandle.getCallingUserId(); 6064 long token = mInjector.binderClearCallingIdentity(); 6065 try { 6066 UserInfo currentUser; 6067 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 6068 try { 6069 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6070 } catch (RemoteException e) { 6071 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 6072 return false; 6073 } 6074 6075 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 6076 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 6077 + "of a user that isn't the foreground user."); 6078 return false; 6079 } 6080 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 6081 Slog.e(LOG_TAG, "Cannot set permitted input methods " 6082 + "of a user that isn't the foreground user."); 6083 return false; 6084 } 6085 } finally { 6086 mInjector.binderRestoreCallingIdentity(token); 6087 } 6088 return true; 6089 } 6090 6091 @Override 6092 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 6093 if (!mHasFeature) { 6094 return false; 6095 } 6096 Preconditions.checkNotNull(who, "ComponentName is null"); 6097 6098 // TODO When InputMethodManager supports per user calls remove 6099 // this restriction. 6100 if (!checkCallerIsCurrentUserOrProfile()) { 6101 return false; 6102 } 6103 6104 if (packageList != null) { 6105 // InputMethodManager fetches input methods for current user. 6106 // So this can only be set when calling user is the current user 6107 // or parent is current user in case of managed profiles. 6108 InputMethodManager inputMethodManager = 6109 mContext.getSystemService(InputMethodManager.class); 6110 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 6111 6112 if (enabledImes != null) { 6113 List<String> enabledPackages = new ArrayList<String>(); 6114 for (InputMethodInfo ime : enabledImes) { 6115 enabledPackages.add(ime.getPackageName()); 6116 } 6117 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 6118 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 6119 + "because it contains already enabled input method."); 6120 return false; 6121 } 6122 } 6123 } 6124 6125 synchronized (this) { 6126 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6127 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6128 admin.permittedInputMethods = packageList; 6129 saveSettingsLocked(UserHandle.getCallingUserId()); 6130 } 6131 return true; 6132 } 6133 6134 @Override 6135 public List getPermittedInputMethods(ComponentName who) { 6136 if (!mHasFeature) { 6137 return null; 6138 } 6139 Preconditions.checkNotNull(who, "ComponentName is null"); 6140 6141 synchronized (this) { 6142 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6143 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6144 return admin.permittedInputMethods; 6145 } 6146 } 6147 6148 @Override 6149 public List getPermittedInputMethodsForCurrentUser() { 6150 UserInfo currentUser; 6151 try { 6152 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6153 } catch (RemoteException e) { 6154 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 6155 // Activity managed is dead, just allow all IMEs 6156 return null; 6157 } 6158 6159 int userId = currentUser.id; 6160 synchronized (this) { 6161 List<String> result = null; 6162 // If we have multiple profiles we return the intersection of the 6163 // permitted lists. This can happen in cases where we have a device 6164 // and profile owner. 6165 List<UserInfo> profiles = mUserManager.getProfiles(userId); 6166 final int PROFILES_SIZE = profiles.size(); 6167 for (int i = 0; i < PROFILES_SIZE; ++i) { 6168 // Just loop though all admins, only device or profiles 6169 // owners can have permitted lists set. 6170 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 6171 final int N = policy.mAdminList.size(); 6172 for (int j = 0; j < N; j++) { 6173 ActiveAdmin admin = policy.mAdminList.get(j); 6174 List<String> fromAdmin = admin.permittedInputMethods; 6175 if (fromAdmin != null) { 6176 if (result == null) { 6177 result = new ArrayList<String>(fromAdmin); 6178 } else { 6179 result.retainAll(fromAdmin); 6180 } 6181 } 6182 } 6183 } 6184 6185 // If we have a permitted list add all system input methods. 6186 if (result != null) { 6187 InputMethodManager inputMethodManager = 6188 mContext.getSystemService(InputMethodManager.class); 6189 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 6190 long id = mInjector.binderClearCallingIdentity(); 6191 try { 6192 if (imes != null) { 6193 for (InputMethodInfo ime : imes) { 6194 ServiceInfo serviceInfo = ime.getServiceInfo(); 6195 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6196 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6197 result.add(serviceInfo.packageName); 6198 } 6199 } 6200 } 6201 } finally { 6202 mInjector.binderRestoreCallingIdentity(id); 6203 } 6204 } 6205 return result; 6206 } 6207 } 6208 6209 @Override 6210 public UserHandle createUser(ComponentName who, String name) { 6211 Preconditions.checkNotNull(who, "ComponentName is null"); 6212 synchronized (this) { 6213 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6214 6215 long id = mInjector.binderClearCallingIdentity(); 6216 try { 6217 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 6218 if (userInfo != null) { 6219 return userInfo.getUserHandle(); 6220 } 6221 return null; 6222 } finally { 6223 mInjector.binderRestoreCallingIdentity(id); 6224 } 6225 } 6226 } 6227 6228 @Override 6229 public UserHandle createAndInitializeUser(ComponentName who, String name, 6230 String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { 6231 UserHandle user = createUser(who, name); 6232 if (user == null) { 6233 return null; 6234 } 6235 long id = mInjector.binderClearCallingIdentity(); 6236 try { 6237 String profileOwnerPkg = profileOwnerComponent.getPackageName(); 6238 6239 final int userHandle = user.getIdentifier(); 6240 try { 6241 // Install the profile owner if not present. 6242 if (!mIPackageManager.isPackageAvailable(profileOwnerPkg, userHandle)) { 6243 mIPackageManager.installExistingPackageAsUser(profileOwnerPkg, userHandle); 6244 } 6245 6246 // Start user in background. 6247 mInjector.getIActivityManager().startUserInBackground(userHandle); 6248 } catch (RemoteException e) { 6249 Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); 6250 } 6251 6252 setActiveAdmin(profileOwnerComponent, true, userHandle, adminExtras); 6253 setProfileOwner(profileOwnerComponent, ownerName, userHandle); 6254 return user; 6255 } finally { 6256 mInjector.binderRestoreCallingIdentity(id); 6257 } 6258 } 6259 6260 @Override 6261 public boolean removeUser(ComponentName who, UserHandle userHandle) { 6262 Preconditions.checkNotNull(who, "ComponentName is null"); 6263 synchronized (this) { 6264 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6265 6266 long id = mInjector.binderClearCallingIdentity(); 6267 try { 6268 return mUserManager.removeUser(userHandle.getIdentifier()); 6269 } finally { 6270 mInjector.binderRestoreCallingIdentity(id); 6271 } 6272 } 6273 } 6274 6275 @Override 6276 public boolean switchUser(ComponentName who, UserHandle userHandle) { 6277 Preconditions.checkNotNull(who, "ComponentName is null"); 6278 synchronized (this) { 6279 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6280 6281 long id = mInjector.binderClearCallingIdentity(); 6282 try { 6283 int userId = UserHandle.USER_SYSTEM; 6284 if (userHandle != null) { 6285 userId = userHandle.getIdentifier(); 6286 } 6287 return mInjector.getIActivityManager().switchUser(userId); 6288 } catch (RemoteException e) { 6289 Log.e(LOG_TAG, "Couldn't switch user", e); 6290 return false; 6291 } finally { 6292 mInjector.binderRestoreCallingIdentity(id); 6293 } 6294 } 6295 } 6296 6297 @Override 6298 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 6299 enforceCanManageApplicationRestrictions(who); 6300 6301 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6302 final long id = mInjector.binderClearCallingIdentity(); 6303 try { 6304 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 6305 // if no restrictions were saved, mUserManager.getApplicationRestrictions 6306 // returns null, but DPM method should return an empty Bundle as per JavaDoc 6307 return bundle != null ? bundle : Bundle.EMPTY; 6308 } finally { 6309 mInjector.binderRestoreCallingIdentity(id); 6310 } 6311 } 6312 6313 @Override 6314 public boolean setPackageSuspended(ComponentName who, String packageName, 6315 boolean suspended) { 6316 Preconditions.checkNotNull(who, "ComponentName is null"); 6317 int callingUserId = UserHandle.getCallingUserId(); 6318 synchronized (this) { 6319 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6320 6321 long id = mInjector.binderClearCallingIdentity(); 6322 try { 6323 return mIPackageManager.setPackageSuspendedAsUser( 6324 packageName, suspended, callingUserId); 6325 } catch (RemoteException re) { 6326 // Shouldn't happen. 6327 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 6328 } finally { 6329 mInjector.binderRestoreCallingIdentity(id); 6330 } 6331 return false; 6332 } 6333 } 6334 6335 @Override 6336 public boolean getPackageSuspended(ComponentName who, String packageName) { 6337 Preconditions.checkNotNull(who, "ComponentName is null"); 6338 int callingUserId = UserHandle.getCallingUserId(); 6339 synchronized (this) { 6340 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6341 6342 long id = mInjector.binderClearCallingIdentity(); 6343 try { 6344 ApplicationInfo appInfo = mIPackageManager.getApplicationInfo( 6345 packageName, 0, callingUserId); 6346 return appInfo != null && 6347 (appInfo.flags & ApplicationInfo.FLAG_SUSPENDED) != 0; 6348 } catch (RemoteException re) { 6349 // Shouldn't happen. 6350 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 6351 } finally { 6352 mInjector.binderRestoreCallingIdentity(id); 6353 } 6354 return false; 6355 } 6356 } 6357 6358 @Override 6359 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 6360 Preconditions.checkNotNull(who, "ComponentName is null"); 6361 final int userHandle = mInjector.userHandleGetCallingUserId(); 6362 synchronized (this) { 6363 ActiveAdmin activeAdmin = 6364 getActiveAdminForCallerLocked(who, 6365 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6366 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 6367 if (isDeviceOwner) { 6368 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 6369 throw new SecurityException("Device owner cannot set user restriction " + key); 6370 } 6371 } else { // profile owner 6372 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 6373 throw new SecurityException("Profile owner cannot set user restriction " + key); 6374 } 6375 } 6376 6377 // Save the restriction to ActiveAdmin. 6378 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 6379 saveSettingsLocked(userHandle); 6380 6381 pushUserRestrictions(userHandle); 6382 6383 sendChangedNotification(userHandle); 6384 } 6385 } 6386 6387 private void pushUserRestrictions(int userId) { 6388 synchronized (this) { 6389 final Bundle global; 6390 final Bundle local = new Bundle(); 6391 if (mOwners.isDeviceOwnerUserId(userId)) { 6392 global = new Bundle(); 6393 6394 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6395 if (deviceOwner == null) { 6396 return; // Shouldn't happen. 6397 } 6398 6399 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 6400 global, local); 6401 // DO can disable camera globally. 6402 if (deviceOwner.disableCamera) { 6403 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 6404 } 6405 } else { 6406 global = null; 6407 6408 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 6409 if (profileOwner != null) { 6410 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 6411 } 6412 } 6413 // Also merge in *local* camera restriction. 6414 if (getCameraDisabled(/* who= */ null, 6415 userId, /* mergeDeviceOwnerRestriction= */ false)) { 6416 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 6417 } 6418 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 6419 } 6420 } 6421 6422 @Override 6423 public Bundle getUserRestrictions(ComponentName who, int userHandle) { 6424 Preconditions.checkNotNull(who, "ComponentName is null"); 6425 enforceFullCrossUsersPermission(userHandle); 6426 synchronized (this) { 6427 ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(who, userHandle); 6428 if (activeAdmin == null) { 6429 throw new SecurityException("No active admin: " + activeAdmin); 6430 } 6431 if (activeAdmin.getUid() != mInjector.binderGetCallingUid()) { 6432 mContext.enforceCallingOrSelfPermission( 6433 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, 6434 "Calling uid " + mInjector.binderGetCallingUid() + " neither owns the admin" 6435 + " " + who + " nor has MANAGE_PROFILE_AND_DEVICE_OWNERS permission"); 6436 } 6437 return activeAdmin.userRestrictions; 6438 } 6439 } 6440 6441 @Override 6442 public boolean setApplicationHidden(ComponentName who, String packageName, 6443 boolean hidden) { 6444 Preconditions.checkNotNull(who, "ComponentName is null"); 6445 int callingUserId = UserHandle.getCallingUserId(); 6446 synchronized (this) { 6447 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6448 6449 long id = mInjector.binderClearCallingIdentity(); 6450 try { 6451 return mIPackageManager.setApplicationHiddenSettingAsUser( 6452 packageName, hidden, callingUserId); 6453 } catch (RemoteException re) { 6454 // shouldn't happen 6455 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 6456 } finally { 6457 mInjector.binderRestoreCallingIdentity(id); 6458 } 6459 return false; 6460 } 6461 } 6462 6463 @Override 6464 public boolean isApplicationHidden(ComponentName who, String packageName) { 6465 Preconditions.checkNotNull(who, "ComponentName is null"); 6466 int callingUserId = UserHandle.getCallingUserId(); 6467 synchronized (this) { 6468 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6469 6470 long id = mInjector.binderClearCallingIdentity(); 6471 try { 6472 return mIPackageManager.getApplicationHiddenSettingAsUser( 6473 packageName, callingUserId); 6474 } catch (RemoteException re) { 6475 // shouldn't happen 6476 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 6477 } finally { 6478 mInjector.binderRestoreCallingIdentity(id); 6479 } 6480 return false; 6481 } 6482 } 6483 6484 @Override 6485 public void enableSystemApp(ComponentName who, String packageName) { 6486 Preconditions.checkNotNull(who, "ComponentName is null"); 6487 synchronized (this) { 6488 // This API can only be called by an active device admin, 6489 // so try to retrieve it to check that the caller is one. 6490 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6491 6492 int userId = UserHandle.getCallingUserId(); 6493 long id = mInjector.binderClearCallingIdentity(); 6494 6495 try { 6496 if (VERBOSE_LOG) { 6497 Slog.v(LOG_TAG, "installing " + packageName + " for " 6498 + userId); 6499 } 6500 6501 UserManager um = UserManager.get(mContext); 6502 UserInfo primaryUser = um.getProfileParent(userId); 6503 6504 // Call did not come from a managed profile 6505 if (primaryUser == null) { 6506 primaryUser = um.getUserInfo(userId); 6507 } 6508 6509 if (!isSystemApp(mIPackageManager, packageName, primaryUser.id)) { 6510 throw new IllegalArgumentException("Only system apps can be enabled this way."); 6511 } 6512 6513 // Install the app. 6514 mIPackageManager.installExistingPackageAsUser(packageName, userId); 6515 6516 } catch (RemoteException re) { 6517 // shouldn't happen 6518 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 6519 } finally { 6520 mInjector.binderRestoreCallingIdentity(id); 6521 } 6522 } 6523 } 6524 6525 @Override 6526 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 6527 Preconditions.checkNotNull(who, "ComponentName is null"); 6528 synchronized (this) { 6529 // This API can only be called by an active device admin, 6530 // so try to retrieve it to check that the caller is one. 6531 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6532 6533 int userId = UserHandle.getCallingUserId(); 6534 long id = mInjector.binderClearCallingIdentity(); 6535 6536 try { 6537 UserManager um = UserManager.get(mContext); 6538 UserInfo primaryUser = um.getProfileParent(userId); 6539 6540 // Call did not come from a managed profile. 6541 if (primaryUser == null) { 6542 primaryUser = um.getUserInfo(userId); 6543 } 6544 6545 List<ResolveInfo> activitiesToEnable = mIPackageManager.queryIntentActivities( 6546 intent, 6547 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 6548 0, // no flags 6549 primaryUser.id); 6550 6551 if (VERBOSE_LOG) { 6552 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 6553 } 6554 int numberOfAppsInstalled = 0; 6555 if (activitiesToEnable != null) { 6556 for (ResolveInfo info : activitiesToEnable) { 6557 if (info.activityInfo != null) { 6558 String packageName = info.activityInfo.packageName; 6559 if (isSystemApp(mIPackageManager, packageName, primaryUser.id)) { 6560 numberOfAppsInstalled++; 6561 mIPackageManager.installExistingPackageAsUser(packageName, userId); 6562 } else { 6563 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 6564 + " system app"); 6565 } 6566 } 6567 } 6568 } 6569 return numberOfAppsInstalled; 6570 } catch (RemoteException e) { 6571 // shouldn't happen 6572 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 6573 return 0; 6574 } finally { 6575 mInjector.binderRestoreCallingIdentity(id); 6576 } 6577 } 6578 } 6579 6580 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 6581 throws RemoteException { 6582 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 6583 userId); 6584 if (appInfo == null) { 6585 throw new IllegalArgumentException("The application " + packageName + 6586 " is not present on this device"); 6587 } 6588 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6589 } 6590 6591 @Override 6592 public void setAccountManagementDisabled(ComponentName who, String accountType, 6593 boolean disabled) { 6594 if (!mHasFeature) { 6595 return; 6596 } 6597 Preconditions.checkNotNull(who, "ComponentName is null"); 6598 synchronized (this) { 6599 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 6600 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6601 if (disabled) { 6602 ap.accountTypesWithManagementDisabled.add(accountType); 6603 } else { 6604 ap.accountTypesWithManagementDisabled.remove(accountType); 6605 } 6606 saveSettingsLocked(UserHandle.getCallingUserId()); 6607 } 6608 } 6609 6610 @Override 6611 public String[] getAccountTypesWithManagementDisabled() { 6612 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 6613 } 6614 6615 @Override 6616 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 6617 enforceFullCrossUsersPermission(userId); 6618 if (!mHasFeature) { 6619 return null; 6620 } 6621 synchronized (this) { 6622 DevicePolicyData policy = getUserData(userId); 6623 final int N = policy.mAdminList.size(); 6624 ArraySet<String> resultSet = new ArraySet<>(); 6625 for (int i = 0; i < N; i++) { 6626 ActiveAdmin admin = policy.mAdminList.get(i); 6627 resultSet.addAll(admin.accountTypesWithManagementDisabled); 6628 } 6629 return resultSet.toArray(new String[resultSet.size()]); 6630 } 6631 } 6632 6633 @Override 6634 public void setUninstallBlocked(ComponentName who, String packageName, 6635 boolean uninstallBlocked) { 6636 Preconditions.checkNotNull(who, "ComponentName is null"); 6637 final int userId = UserHandle.getCallingUserId(); 6638 synchronized (this) { 6639 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6640 6641 long id = mInjector.binderClearCallingIdentity(); 6642 try { 6643 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 6644 } catch (RemoteException re) { 6645 // Shouldn't happen. 6646 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 6647 } finally { 6648 mInjector.binderRestoreCallingIdentity(id); 6649 } 6650 } 6651 } 6652 6653 @Override 6654 public boolean isUninstallBlocked(ComponentName who, String packageName) { 6655 // This function should return true if and only if the package is blocked by 6656 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 6657 // when the package is a system app, or when it is an active device admin. 6658 final int userId = UserHandle.getCallingUserId(); 6659 6660 synchronized (this) { 6661 if (who != null) { 6662 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6663 } 6664 6665 long id = mInjector.binderClearCallingIdentity(); 6666 try { 6667 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 6668 } catch (RemoteException re) { 6669 // Shouldn't happen. 6670 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 6671 } finally { 6672 mInjector.binderRestoreCallingIdentity(id); 6673 } 6674 } 6675 return false; 6676 } 6677 6678 @Override 6679 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 6680 if (!mHasFeature) { 6681 return; 6682 } 6683 Preconditions.checkNotNull(who, "ComponentName is null"); 6684 synchronized (this) { 6685 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6686 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6687 if (admin.disableCallerId != disabled) { 6688 admin.disableCallerId = disabled; 6689 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 6690 } 6691 } 6692 } 6693 6694 @Override 6695 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 6696 if (!mHasFeature) { 6697 return false; 6698 } 6699 Preconditions.checkNotNull(who, "ComponentName is null"); 6700 synchronized (this) { 6701 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6702 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6703 return admin.disableCallerId; 6704 } 6705 } 6706 6707 @Override 6708 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 6709 enforceCrossUsersPermission(userId); 6710 synchronized (this) { 6711 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 6712 return (admin != null) ? admin.disableCallerId : false; 6713 } 6714 } 6715 6716 @Override 6717 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 6718 if (!mHasFeature) { 6719 return; 6720 } 6721 Preconditions.checkNotNull(who, "ComponentName is null"); 6722 synchronized (this) { 6723 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6724 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6725 if (admin.disableContactsSearch != disabled) { 6726 admin.disableContactsSearch = disabled; 6727 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 6728 } 6729 } 6730 } 6731 6732 @Override 6733 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 6734 if (!mHasFeature) { 6735 return false; 6736 } 6737 Preconditions.checkNotNull(who, "ComponentName is null"); 6738 synchronized (this) { 6739 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6740 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6741 return admin.disableContactsSearch; 6742 } 6743 } 6744 6745 @Override 6746 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 6747 enforceCrossUsersPermission(userId); 6748 synchronized (this) { 6749 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 6750 return (admin != null) ? admin.disableContactsSearch : false; 6751 } 6752 } 6753 6754 @Override 6755 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 6756 long actualDirectoryId, Intent originalIntent) { 6757 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent( 6758 actualLookupKey, actualContactId, actualDirectoryId, originalIntent); 6759 final int callingUserId = UserHandle.getCallingUserId(); 6760 6761 final long ident = mInjector.binderClearCallingIdentity(); 6762 try { 6763 synchronized (this) { 6764 final int managedUserId = getManagedUserId(callingUserId); 6765 if (managedUserId < 0) { 6766 return; 6767 } 6768 if (getCrossProfileCallerIdDisabledForUser(managedUserId)) { 6769 if (VERBOSE_LOG) { 6770 Log.v(LOG_TAG, 6771 "Cross-profile contacts access disabled for user " + managedUserId); 6772 } 6773 return; 6774 } 6775 ContactsInternal.startQuickContactWithErrorToastForUser( 6776 mContext, intent, new UserHandle(managedUserId)); 6777 } 6778 } finally { 6779 mInjector.binderRestoreCallingIdentity(ident); 6780 } 6781 } 6782 6783 /** 6784 * @return the user ID of the managed user that is linked to the current user, if any. 6785 * Otherwise -1. 6786 */ 6787 public int getManagedUserId(int callingUserId) { 6788 if (VERBOSE_LOG) { 6789 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 6790 } 6791 6792 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 6793 if (ui.id == callingUserId || !ui.isManagedProfile()) { 6794 continue; // Caller user self, or not a managed profile. Skip. 6795 } 6796 if (VERBOSE_LOG) { 6797 Log.v(LOG_TAG, "Managed user=" + ui.id); 6798 } 6799 return ui.id; 6800 } 6801 if (VERBOSE_LOG) { 6802 Log.v(LOG_TAG, "Managed user not found."); 6803 } 6804 return -1; 6805 } 6806 6807 @Override 6808 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 6809 if (!mHasFeature) { 6810 return; 6811 } 6812 Preconditions.checkNotNull(who, "ComponentName is null"); 6813 synchronized (this) { 6814 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6815 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6816 if (admin.disableBluetoothContactSharing != disabled) { 6817 admin.disableBluetoothContactSharing = disabled; 6818 saveSettingsLocked(UserHandle.getCallingUserId()); 6819 } 6820 } 6821 } 6822 6823 @Override 6824 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 6825 if (!mHasFeature) { 6826 return false; 6827 } 6828 Preconditions.checkNotNull(who, "ComponentName is null"); 6829 synchronized (this) { 6830 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6831 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6832 return admin.disableBluetoothContactSharing; 6833 } 6834 } 6835 6836 @Override 6837 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 6838 // TODO: Should there be a check to make sure this relationship is 6839 // within a profile group? 6840 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 6841 synchronized (this) { 6842 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 6843 return (admin != null) ? admin.disableBluetoothContactSharing : false; 6844 } 6845 } 6846 6847 /** 6848 * Sets which packages may enter lock task mode. 6849 * 6850 * This function can only be called by the device owner. 6851 * @param packages The list of packages allowed to enter lock task mode. 6852 */ 6853 @Override 6854 public void setLockTaskPackages(ComponentName who, String[] packages) 6855 throws SecurityException { 6856 Preconditions.checkNotNull(who, "ComponentName is null"); 6857 synchronized (this) { 6858 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6859 6860 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 6861 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 6862 } 6863 } 6864 6865 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 6866 DevicePolicyData policy = getUserData(userHandle); 6867 policy.mLockTaskPackages = packages; 6868 6869 // Store the settings persistently. 6870 saveSettingsLocked(userHandle); 6871 updateLockTaskPackagesLocked(packages, userHandle); 6872 } 6873 6874 /** 6875 * This function returns the list of components allowed to start the task lock mode. 6876 */ 6877 @Override 6878 public String[] getLockTaskPackages(ComponentName who) { 6879 Preconditions.checkNotNull(who, "ComponentName is null"); 6880 synchronized (this) { 6881 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6882 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 6883 final List<String> packages = getLockTaskPackagesLocked(userHandle); 6884 return packages.toArray(new String[packages.size()]); 6885 } 6886 } 6887 6888 private List<String> getLockTaskPackagesLocked(int userHandle) { 6889 final DevicePolicyData policy = getUserData(userHandle); 6890 return policy.mLockTaskPackages; 6891 } 6892 6893 /** 6894 * This function lets the caller know whether the given package is allowed to start the 6895 * lock task mode. 6896 * @param pkg The package to check 6897 */ 6898 @Override 6899 public boolean isLockTaskPermitted(String pkg) { 6900 // Get current user's devicepolicy 6901 int uid = mInjector.binderGetCallingUid(); 6902 int userHandle = UserHandle.getUserId(uid); 6903 DevicePolicyData policy = getUserData(userHandle); 6904 synchronized (this) { 6905 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 6906 String lockTaskPackage = policy.mLockTaskPackages.get(i); 6907 6908 // If the given package equals one of the packages stored our list, 6909 // we allow this package to start lock task mode. 6910 if (lockTaskPackage.equals(pkg)) { 6911 return true; 6912 } 6913 } 6914 } 6915 return false; 6916 } 6917 6918 @Override 6919 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 6920 if (!UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID)) { 6921 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 6922 } 6923 synchronized (this) { 6924 final DevicePolicyData policy = getUserData(userHandle); 6925 Bundle adminExtras = new Bundle(); 6926 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 6927 for (ActiveAdmin admin : policy.mAdminList) { 6928 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 6929 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 6930 if (ownsDevice || ownsProfile) { 6931 if (isEnabled) { 6932 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 6933 adminExtras, null); 6934 } else { 6935 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 6936 } 6937 } 6938 } 6939 } 6940 } 6941 6942 @Override 6943 public void setGlobalSetting(ComponentName who, String setting, String value) { 6944 Preconditions.checkNotNull(who, "ComponentName is null"); 6945 6946 synchronized (this) { 6947 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6948 6949 // Some settings are no supported any more. However we do not want to throw a 6950 // SecurityException to avoid breaking apps. 6951 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 6952 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 6953 return; 6954 } 6955 6956 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 6957 throw new SecurityException(String.format( 6958 "Permission denial: device owners cannot update %1$s", setting)); 6959 } 6960 6961 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 6962 // ignore if it contradicts an existing policy 6963 long timeMs = getMaximumTimeToLock(who, UserHandle.getCallingUserId()); 6964 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 6965 return; 6966 } 6967 } 6968 6969 long id = mInjector.binderClearCallingIdentity(); 6970 try { 6971 mInjector.settingsGlobalPutString(setting, value); 6972 } finally { 6973 mInjector.binderRestoreCallingIdentity(id); 6974 } 6975 } 6976 } 6977 6978 @Override 6979 public void setSecureSetting(ComponentName who, String setting, String value) { 6980 Preconditions.checkNotNull(who, "ComponentName is null"); 6981 int callingUserId = mInjector.userHandleGetCallingUserId(); 6982 6983 synchronized (this) { 6984 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6985 6986 if (isDeviceOwner(who, mInjector.userHandleGetCallingUserId())) { 6987 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 6988 throw new SecurityException(String.format( 6989 "Permission denial: Device owners cannot update %1$s", setting)); 6990 } 6991 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 6992 throw new SecurityException(String.format( 6993 "Permission denial: Profile owners cannot update %1$s", setting)); 6994 } 6995 6996 long id = mInjector.binderClearCallingIdentity(); 6997 try { 6998 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 6999 } finally { 7000 mInjector.binderRestoreCallingIdentity(id); 7001 } 7002 } 7003 } 7004 7005 @Override 7006 public void setMasterVolumeMuted(ComponentName who, boolean on) { 7007 Preconditions.checkNotNull(who, "ComponentName is null"); 7008 synchronized (this) { 7009 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7010 int userId = UserHandle.getCallingUserId(); 7011 long identity = mInjector.binderClearCallingIdentity(); 7012 try { 7013 IAudioService iAudioService = IAudioService.Stub.asInterface( 7014 ServiceManager.getService(Context.AUDIO_SERVICE)); 7015 iAudioService.setMasterMute(on, 0, mContext.getPackageName(), userId); 7016 } catch (RemoteException re) { 7017 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 7018 } finally { 7019 mInjector.binderRestoreCallingIdentity(identity); 7020 } 7021 } 7022 } 7023 7024 @Override 7025 public boolean isMasterVolumeMuted(ComponentName who) { 7026 Preconditions.checkNotNull(who, "ComponentName is null"); 7027 synchronized (this) { 7028 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7029 7030 AudioManager audioManager = 7031 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 7032 return audioManager.isMasterMute(); 7033 } 7034 } 7035 7036 @Override 7037 public void setUserIcon(ComponentName who, Bitmap icon) { 7038 synchronized (this) { 7039 Preconditions.checkNotNull(who, "ComponentName is null"); 7040 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7041 7042 int userId = UserHandle.getCallingUserId(); 7043 long id = mInjector.binderClearCallingIdentity(); 7044 try { 7045 mUserManager.setUserIcon(userId, icon); 7046 } finally { 7047 mInjector.binderRestoreCallingIdentity(id); 7048 } 7049 } 7050 } 7051 7052 @Override 7053 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 7054 Preconditions.checkNotNull(who, "ComponentName is null"); 7055 synchronized (this) { 7056 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7057 } 7058 final int userId = UserHandle.getCallingUserId(); 7059 LockPatternUtils utils = new LockPatternUtils(mContext); 7060 7061 long ident = mInjector.binderClearCallingIdentity(); 7062 try { 7063 // disallow disabling the keyguard if a password is currently set 7064 if (disabled && utils.isSecure(userId)) { 7065 return false; 7066 } 7067 utils.setLockScreenDisabled(disabled, userId); 7068 } finally { 7069 mInjector.binderRestoreCallingIdentity(ident); 7070 } 7071 return true; 7072 } 7073 7074 @Override 7075 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 7076 int userId = UserHandle.getCallingUserId(); 7077 synchronized (this) { 7078 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7079 DevicePolicyData policy = getUserData(userId); 7080 if (policy.mStatusBarDisabled != disabled) { 7081 if (!setStatusBarDisabledInternal(disabled, userId)) { 7082 return false; 7083 } 7084 policy.mStatusBarDisabled = disabled; 7085 saveSettingsLocked(userId); 7086 } 7087 } 7088 return true; 7089 } 7090 7091 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 7092 long ident = mInjector.binderClearCallingIdentity(); 7093 try { 7094 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 7095 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 7096 if (statusBarService != null) { 7097 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 7098 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 7099 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 7100 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 7101 return true; 7102 } 7103 } catch (RemoteException e) { 7104 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 7105 } finally { 7106 mInjector.binderRestoreCallingIdentity(ident); 7107 } 7108 return false; 7109 } 7110 7111 /** 7112 * We need to update the internal state of whether a user has completed setup once. After 7113 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 7114 * as we don't trust any apps that might try to reset it. 7115 * <p> 7116 * Unfortunately, we don't know which user's setup state was changed, so we write all of 7117 * them. 7118 */ 7119 void updateUserSetupComplete() { 7120 List<UserInfo> users = mUserManager.getUsers(true); 7121 final int N = users.size(); 7122 for (int i = 0; i < N; i++) { 7123 int userHandle = users.get(i).id; 7124 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 7125 userHandle) != 0) { 7126 DevicePolicyData policy = getUserData(userHandle); 7127 if (!policy.mUserSetupComplete) { 7128 policy.mUserSetupComplete = true; 7129 synchronized (this) { 7130 saveSettingsLocked(userHandle); 7131 } 7132 } 7133 } 7134 } 7135 } 7136 7137 private class SetupContentObserver extends ContentObserver { 7138 7139 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 7140 Settings.Secure.USER_SETUP_COMPLETE); 7141 7142 public SetupContentObserver(Handler handler) { 7143 super(handler); 7144 } 7145 7146 void register(ContentResolver resolver) { 7147 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 7148 } 7149 7150 @Override 7151 public void onChange(boolean selfChange, Uri uri) { 7152 if (mUserSetupComplete.equals(uri)) { 7153 updateUserSetupComplete(); 7154 } 7155 } 7156 } 7157 7158 @VisibleForTesting 7159 final class LocalService extends DevicePolicyManagerInternal { 7160 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 7161 7162 @Override 7163 public List<String> getCrossProfileWidgetProviders(int profileId) { 7164 synchronized (DevicePolicyManagerService.this) { 7165 if (mOwners == null) { 7166 return Collections.emptyList(); 7167 } 7168 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 7169 if (ownerComponent == null) { 7170 return Collections.emptyList(); 7171 } 7172 7173 DevicePolicyData policy = getUserDataUnchecked(profileId); 7174 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 7175 7176 if (admin == null || admin.crossProfileWidgetProviders == null 7177 || admin.crossProfileWidgetProviders.isEmpty()) { 7178 return Collections.emptyList(); 7179 } 7180 7181 return admin.crossProfileWidgetProviders; 7182 } 7183 } 7184 7185 @Override 7186 public void addOnCrossProfileWidgetProvidersChangeListener( 7187 OnCrossProfileWidgetProvidersChangeListener listener) { 7188 synchronized (DevicePolicyManagerService.this) { 7189 if (mWidgetProviderListeners == null) { 7190 mWidgetProviderListeners = new ArrayList<>(); 7191 } 7192 if (!mWidgetProviderListeners.contains(listener)) { 7193 mWidgetProviderListeners.add(listener); 7194 } 7195 } 7196 } 7197 7198 @Override 7199 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 7200 final int userId = UserHandle.getUserId(uid); 7201 synchronized(DevicePolicyManagerService.this) { 7202 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 7203 } 7204 } 7205 7206 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 7207 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 7208 synchronized (DevicePolicyManagerService.this) { 7209 listeners = new ArrayList<>(mWidgetProviderListeners); 7210 } 7211 final int listenerCount = listeners.size(); 7212 for (int i = 0; i < listenerCount; i++) { 7213 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 7214 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 7215 } 7216 } 7217 } 7218 7219 /** 7220 * Returns true if specified admin is allowed to limit passwords and has a 7221 * {@code passwordQuality} of at least {@code minPasswordQuality} 7222 */ 7223 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 7224 if (admin.passwordQuality < minPasswordQuality) { 7225 return false; 7226 } 7227 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 7228 } 7229 7230 @Override 7231 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 7232 if (policy != null && !policy.isValid()) { 7233 throw new IllegalArgumentException("Invalid system update policy."); 7234 } 7235 synchronized (this) { 7236 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7237 if (policy == null) { 7238 mOwners.clearSystemUpdatePolicy(); 7239 } else { 7240 mOwners.setSystemUpdatePolicy(policy); 7241 } 7242 mOwners.writeDeviceOwner(); 7243 } 7244 mContext.sendBroadcastAsUser( 7245 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 7246 UserHandle.SYSTEM); 7247 } 7248 7249 @Override 7250 public SystemUpdatePolicy getSystemUpdatePolicy() { 7251 synchronized (this) { 7252 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 7253 if (policy != null && !policy.isValid()) { 7254 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 7255 return null; 7256 } 7257 return policy; 7258 } 7259 } 7260 7261 /** 7262 * Checks if the caller of the method is the device owner app. 7263 * 7264 * @param callerUid UID of the caller. 7265 * @return true if the caller is the device owner app 7266 */ 7267 @VisibleForTesting 7268 boolean isCallerDeviceOwner(int callerUid) { 7269 synchronized (this) { 7270 if (!mOwners.hasDeviceOwner()) { 7271 return false; 7272 } 7273 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 7274 return false; 7275 } 7276 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 7277 .getPackageName(); 7278 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 7279 7280 for (String pkg : pkgs) { 7281 if (deviceOwnerPackageName.equals(pkg)) { 7282 return true; 7283 } 7284 } 7285 } 7286 7287 return false; 7288 } 7289 7290 @Override 7291 public void notifyPendingSystemUpdate(long updateReceivedTime) { 7292 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 7293 "Only the system update service can broadcast update information"); 7294 7295 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 7296 Slog.w(LOG_TAG, "Only the system update service in the system user " + 7297 "can broadcast update information."); 7298 return; 7299 } 7300 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 7301 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 7302 updateReceivedTime); 7303 7304 synchronized (this) { 7305 final String deviceOwnerPackage = 7306 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 7307 : null; 7308 if (deviceOwnerPackage == null) { 7309 return; 7310 } 7311 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 7312 7313 ActivityInfo[] receivers = null; 7314 try { 7315 receivers = mContext.getPackageManager().getPackageInfo( 7316 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 7317 } catch (NameNotFoundException e) { 7318 Log.e(LOG_TAG, "Cannot find device owner package", e); 7319 } 7320 if (receivers != null) { 7321 long ident = mInjector.binderClearCallingIdentity(); 7322 try { 7323 for (int i = 0; i < receivers.length; i++) { 7324 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 7325 intent.setComponent(new ComponentName(deviceOwnerPackage, 7326 receivers[i].name)); 7327 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 7328 } 7329 } 7330 } finally { 7331 mInjector.binderRestoreCallingIdentity(ident); 7332 } 7333 } 7334 } 7335 } 7336 7337 @Override 7338 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 7339 int userId = UserHandle.getCallingUserId(); 7340 synchronized (this) { 7341 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7342 DevicePolicyData userPolicy = getUserData(userId); 7343 if (userPolicy.mPermissionPolicy != policy) { 7344 userPolicy.mPermissionPolicy = policy; 7345 saveSettingsLocked(userId); 7346 } 7347 } 7348 } 7349 7350 @Override 7351 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 7352 int userId = UserHandle.getCallingUserId(); 7353 synchronized (this) { 7354 DevicePolicyData userPolicy = getUserData(userId); 7355 return userPolicy.mPermissionPolicy; 7356 } 7357 } 7358 7359 @Override 7360 public boolean setPermissionGrantState(ComponentName admin, String packageName, 7361 String permission, int grantState) throws RemoteException { 7362 UserHandle user = mInjector.binderGetCallingUserHandle(); 7363 synchronized (this) { 7364 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7365 long ident = mInjector.binderClearCallingIdentity(); 7366 try { 7367 if (getTargetSdk(packageName, user.getIdentifier()) 7368 < android.os.Build.VERSION_CODES.M) { 7369 return false; 7370 } 7371 final PackageManager packageManager = mContext.getPackageManager(); 7372 switch (grantState) { 7373 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 7374 packageManager.grantRuntimePermission(packageName, permission, user); 7375 packageManager.updatePermissionFlags(permission, packageName, 7376 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 7377 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 7378 } break; 7379 7380 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 7381 packageManager.revokeRuntimePermission(packageName, 7382 permission, user); 7383 packageManager.updatePermissionFlags(permission, packageName, 7384 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 7385 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 7386 } break; 7387 7388 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 7389 packageManager.updatePermissionFlags(permission, packageName, 7390 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 7391 } break; 7392 } 7393 return true; 7394 } catch (SecurityException se) { 7395 return false; 7396 } finally { 7397 mInjector.binderRestoreCallingIdentity(ident); 7398 } 7399 } 7400 } 7401 7402 @Override 7403 public int getPermissionGrantState(ComponentName admin, String packageName, 7404 String permission) throws RemoteException { 7405 PackageManager packageManager = mContext.getPackageManager(); 7406 7407 UserHandle user = mInjector.binderGetCallingUserHandle(); 7408 synchronized (this) { 7409 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7410 long ident = mInjector.binderClearCallingIdentity(); 7411 try { 7412 int granted = mIPackageManager.checkPermission(permission, 7413 packageName, user.getIdentifier()); 7414 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 7415 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 7416 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 7417 // Not controlled by policy 7418 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 7419 } else { 7420 // Policy controlled so return result based on permission grant state 7421 return granted == PackageManager.PERMISSION_GRANTED 7422 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 7423 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 7424 } 7425 } finally { 7426 mInjector.binderRestoreCallingIdentity(ident); 7427 } 7428 } 7429 } 7430 7431 boolean isPackageInstalledForUser(String packageName, int userHandle) { 7432 try { 7433 PackageInfo pi = mIPackageManager.getPackageInfo(packageName, 0, userHandle); 7434 return (pi != null) && (pi.applicationInfo.flags != 0); 7435 } catch (RemoteException re) { 7436 throw new RuntimeException("Package manager has died", re); 7437 } 7438 } 7439 7440 @Override 7441 public boolean isProvisioningAllowed(String action) { 7442 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7443 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 7444 if (!hasFeatureManagedUsers()) { 7445 return false; 7446 } 7447 synchronized (this) { 7448 if (mOwners.hasDeviceOwner()) { 7449 if (!mInjector.userManagerIsSplitSystemUser()) { 7450 // Only split-system-user systems support managed-profiles in combination with 7451 // device-owner. 7452 return false; 7453 } 7454 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 7455 // Only system device-owner supports managed-profiles. Non-system device-owner 7456 // doesn't. 7457 return false; 7458 } 7459 if (callingUserId == UserHandle.USER_SYSTEM) { 7460 // Managed-profiles cannot be setup on the system user, only regular users. 7461 return false; 7462 } 7463 } 7464 } 7465 if (getProfileOwner(callingUserId) != null) { 7466 // Managed user cannot have a managed profile. 7467 return false; 7468 } 7469 final long ident = mInjector.binderClearCallingIdentity(); 7470 try { 7471 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 7472 return false; 7473 } 7474 } finally { 7475 mInjector.binderRestoreCallingIdentity(ident); 7476 } 7477 return true; 7478 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 7479 return isDeviceOwnerProvisioningAllowed(callingUserId); 7480 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 7481 if (!hasFeatureManagedUsers()) { 7482 return false; 7483 } 7484 if (!mInjector.userManagerIsSplitSystemUser()) { 7485 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 7486 return false; 7487 } 7488 if (callingUserId == UserHandle.USER_SYSTEM) { 7489 // System user cannot be a managed user. 7490 return false; 7491 } 7492 if (hasUserSetupCompleted(callingUserId)) { 7493 return false; 7494 } 7495 return true; 7496 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 7497 if (!mInjector.userManagerIsSplitSystemUser()) { 7498 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 7499 return false; 7500 } 7501 return isDeviceOwnerProvisioningAllowed(callingUserId); 7502 } 7503 throw new IllegalArgumentException("Unknown provisioning action " + action); 7504 } 7505 7506 private boolean isDeviceOwnerProvisioningAllowed(int callingUserId) { 7507 synchronized (this) { 7508 if (mOwners.hasDeviceOwner()) { 7509 return false; 7510 } 7511 } 7512 if (getProfileOwner(callingUserId) != null) { 7513 return false; 7514 } 7515 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) != 0) { 7516 return false; 7517 } 7518 if (callingUserId != UserHandle.USER_SYSTEM) { 7519 // Device owner provisioning can only be initiated from system user. 7520 return false; 7521 } 7522 return true; 7523 } 7524 7525 private boolean hasFeatureManagedUsers() { 7526 try { 7527 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS); 7528 } catch (RemoteException e) { 7529 return false; 7530 } 7531 } 7532 7533 @Override 7534 public String getWifiMacAddress() { 7535 // Make sure caller has DO. 7536 synchronized (this) { 7537 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7538 } 7539 7540 final long ident = mInjector.binderClearCallingIdentity(); 7541 try { 7542 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 7543 if (wifiInfo == null) { 7544 return null; 7545 } 7546 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 7547 } finally { 7548 mInjector.binderRestoreCallingIdentity(ident); 7549 } 7550 } 7551 7552 /** 7553 * Returns the target sdk version number that the given packageName was built for 7554 * in the given user. 7555 */ 7556 private int getTargetSdk(String packageName, int userId) throws RemoteException { 7557 final ApplicationInfo ai = mIPackageManager 7558 .getApplicationInfo(packageName, 0, userId); 7559 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 7560 return targetSdkVersion; 7561 } 7562 7563 @Override 7564 public boolean isManagedProfile(ComponentName admin) { 7565 synchronized (this) { 7566 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7567 } 7568 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7569 final UserInfo user; 7570 long ident = mInjector.binderClearCallingIdentity(); 7571 try { 7572 user = mUserManager.getUserInfo(callingUserId); 7573 } finally { 7574 mInjector.binderRestoreCallingIdentity(ident); 7575 } 7576 return user != null && user.isManagedProfile(); 7577 } 7578 7579 @Override 7580 public boolean isSystemOnlyUser(ComponentName admin) { 7581 synchronized (this) { 7582 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7583 } 7584 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7585 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 7586 } 7587 7588 @Override 7589 public void reboot(ComponentName admin) { 7590 Preconditions.checkNotNull(admin); 7591 // Make sure caller has DO. 7592 synchronized (this) { 7593 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7594 } 7595 long ident = mInjector.binderClearCallingIdentity(); 7596 try { 7597 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 7598 } finally { 7599 mInjector.binderRestoreCallingIdentity(ident); 7600 } 7601 } 7602 7603 @Override 7604 public void setShortSupportMessage(@NonNull ComponentName who, String message) { 7605 if (!mHasFeature) { 7606 return; 7607 } 7608 Preconditions.checkNotNull(who, "ComponentName is null"); 7609 final int userHandle = mInjector.userHandleGetCallingUserId(); 7610 synchronized (this) { 7611 ActiveAdmin admin = getActiveAdminForUidLocked(who, 7612 mInjector.binderGetCallingUid()); 7613 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 7614 admin.shortSupportMessage = message; 7615 saveSettingsLocked(userHandle); 7616 } 7617 } 7618 } 7619 7620 @Override 7621 public String getShortSupportMessage(@NonNull ComponentName who) { 7622 if (!mHasFeature) { 7623 return null; 7624 } 7625 Preconditions.checkNotNull(who, "ComponentName is null"); 7626 synchronized (this) { 7627 ActiveAdmin admin = getActiveAdminForUidLocked(who, 7628 mInjector.binderGetCallingUid()); 7629 return admin.shortSupportMessage; 7630 } 7631 } 7632 7633 @Override 7634 public void setLongSupportMessage(@NonNull ComponentName who, String message) { 7635 if (!mHasFeature) { 7636 return; 7637 } 7638 Preconditions.checkNotNull(who, "ComponentName is null"); 7639 final int userHandle = mInjector.userHandleGetCallingUserId(); 7640 synchronized (this) { 7641 ActiveAdmin admin = getActiveAdminForUidLocked(who, 7642 mInjector.binderGetCallingUid()); 7643 if (!TextUtils.equals(admin.longSupportMessage, message)) { 7644 admin.longSupportMessage = message; 7645 saveSettingsLocked(userHandle); 7646 } 7647 } 7648 } 7649 7650 @Override 7651 public String getLongSupportMessage(@NonNull ComponentName who) { 7652 if (!mHasFeature) { 7653 return null; 7654 } 7655 Preconditions.checkNotNull(who, "ComponentName is null"); 7656 synchronized (this) { 7657 ActiveAdmin admin = getActiveAdminForUidLocked(who, 7658 mInjector.binderGetCallingUid()); 7659 return admin.longSupportMessage; 7660 } 7661 } 7662 7663 @Override 7664 public String getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 7665 if (!mHasFeature) { 7666 return null; 7667 } 7668 Preconditions.checkNotNull(who, "ComponentName is null"); 7669 if (!UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID)) { 7670 throw new SecurityException("Only the system can query support message for user"); 7671 } 7672 synchronized (this) { 7673 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7674 if (admin != null) { 7675 return admin.shortSupportMessage; 7676 } 7677 } 7678 return null; 7679 } 7680 7681 @Override 7682 public String getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 7683 if (!mHasFeature) { 7684 return null; 7685 } 7686 Preconditions.checkNotNull(who, "ComponentName is null"); 7687 if (!UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID)) { 7688 throw new SecurityException("Only the system can query support message for user"); 7689 } 7690 synchronized (this) { 7691 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7692 if (admin != null) { 7693 return admin.longSupportMessage; 7694 } 7695 } 7696 return null; 7697 } 7698 7699 @Override 7700 public void setOrganizationColor(@NonNull ComponentName who, int color) { 7701 final int userHandle = mInjector.userHandleGetCallingUserId(); 7702 if (!mHasFeature || !isManagedProfile(userHandle)) { 7703 return; 7704 } 7705 Preconditions.checkNotNull(who, "ComponentName is null"); 7706 synchronized (this) { 7707 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7708 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7709 admin.organizationColor = color; 7710 saveSettingsLocked(userHandle); 7711 } 7712 } 7713 7714 @Override 7715 public int getOrganizationColor(@NonNull ComponentName who) { 7716 final int userHandle = mInjector.userHandleGetCallingUserId(); 7717 if (!mHasFeature || !isManagedProfile(userHandle)) { 7718 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 7719 } 7720 synchronized (this) { 7721 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7722 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7723 return admin.organizationColor; 7724 } 7725 } 7726 7727 @Override 7728 public int getOrganizationColorForUser(int userHandle) { 7729 if (!mHasFeature || !isManagedProfile(userHandle)) { 7730 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 7731 } 7732 enforceCrossUsersPermission(userHandle); 7733 synchronized (this) { 7734 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 7735 return (profileOwner != null) 7736 ? profileOwner.organizationColor 7737 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 7738 } 7739 } 7740} 7741