DevicePolicyManagerService.java revision 1e26c2950a3bfdb3a0bcdcbe283bd5f1f73b3c29
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 21import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24 25import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 26import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 27import static org.xmlpull.v1.XmlPullParser.END_TAG; 28import static org.xmlpull.v1.XmlPullParser.TEXT; 29 30import android.Manifest.permission; 31import android.accessibilityservice.AccessibilityServiceInfo; 32import android.accounts.AccountManager; 33import android.annotation.IntDef; 34import android.annotation.NonNull; 35import android.annotation.Nullable; 36import android.annotation.UserIdInt; 37import android.app.Activity; 38import android.app.ActivityManager; 39import android.app.ActivityManagerNative; 40import android.app.AlarmManager; 41import android.app.AppGlobals; 42import android.app.IActivityManager; 43import android.app.Notification; 44import android.app.NotificationManager; 45import android.app.PendingIntent; 46import android.app.StatusBarManager; 47import android.app.admin.DeviceAdminInfo; 48import android.app.admin.DeviceAdminReceiver; 49import android.app.admin.DevicePolicyManager; 50import android.app.admin.DevicePolicyManagerInternal; 51import android.app.admin.IDevicePolicyManager; 52import android.app.admin.SecurityLog; 53import android.app.admin.SecurityLog.SecurityEvent; 54import android.app.admin.SystemUpdatePolicy; 55import android.app.backup.IBackupManager; 56import android.content.BroadcastReceiver; 57import android.content.ComponentName; 58import android.content.Context; 59import android.content.Intent; 60import android.content.IntentFilter; 61import android.content.pm.ActivityInfo; 62import android.content.pm.ApplicationInfo; 63import android.content.pm.IPackageManager; 64import android.content.pm.PackageInfo; 65import android.content.pm.PackageManager; 66import android.content.pm.PackageManager.NameNotFoundException; 67import android.content.pm.PackageManagerInternal; 68import android.content.pm.ParceledListSlice; 69import android.content.pm.ResolveInfo; 70import android.content.pm.ServiceInfo; 71import android.content.pm.UserInfo; 72import android.database.ContentObserver; 73import android.graphics.Bitmap; 74import android.graphics.Color; 75import android.media.AudioManager; 76import android.media.IAudioService; 77import android.net.ConnectivityManager; 78import android.net.ProxyInfo; 79import android.net.Uri; 80import android.net.wifi.WifiInfo; 81import android.net.wifi.WifiManager; 82import android.os.AsyncTask; 83import android.os.Binder; 84import android.os.Build; 85import android.os.Bundle; 86import android.os.Environment; 87import android.os.FileUtils; 88import android.os.Handler; 89import android.os.IBinder; 90import android.os.Looper; 91import android.os.ParcelFileDescriptor; 92import android.os.PersistableBundle; 93import android.os.PowerManager; 94import android.os.PowerManagerInternal; 95import android.os.Process; 96import android.os.RecoverySystem; 97import android.os.RemoteCallback; 98import android.os.RemoteException; 99import android.os.ServiceManager; 100import android.os.SystemClock; 101import android.os.SystemProperties; 102import android.os.UserHandle; 103import android.os.UserManager; 104import android.os.UserManagerInternal; 105import android.os.storage.StorageManager; 106import android.provider.ContactsContract.QuickContact; 107import android.provider.ContactsInternal; 108import android.provider.Settings; 109import android.security.Credentials; 110import android.security.IKeyChainAliasCallback; 111import android.security.IKeyChainService; 112import android.security.KeyChain; 113import android.security.KeyChain.KeyChainConnection; 114import android.service.persistentdata.PersistentDataBlockManager; 115import android.telephony.TelephonyManager; 116import android.text.TextUtils; 117import android.util.ArrayMap; 118import android.util.ArraySet; 119import android.util.Log; 120import android.util.Pair; 121import android.util.Slog; 122import android.util.SparseArray; 123import android.util.Xml; 124import android.view.IWindowManager; 125import android.view.accessibility.AccessibilityManager; 126import android.view.accessibility.IAccessibilityManager; 127import android.view.inputmethod.InputMethodInfo; 128import android.view.inputmethod.InputMethodManager; 129 130import com.android.internal.R; 131import com.android.internal.annotations.VisibleForTesting; 132import com.android.internal.statusbar.IStatusBarService; 133import com.android.internal.util.FastXmlSerializer; 134import com.android.internal.util.JournaledFile; 135import com.android.internal.util.ParcelableString; 136import com.android.internal.util.Preconditions; 137import com.android.internal.util.XmlUtils; 138import com.android.internal.widget.LockPatternUtils; 139import com.android.server.LocalServices; 140import com.android.server.SystemService; 141import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 142import com.android.server.pm.UserRestrictionsUtils; 143import com.google.android.collect.Sets; 144 145import org.xmlpull.v1.XmlPullParser; 146import org.xmlpull.v1.XmlPullParserException; 147import org.xmlpull.v1.XmlSerializer; 148 149import java.io.ByteArrayInputStream; 150import java.io.File; 151import java.io.FileDescriptor; 152import java.io.FileInputStream; 153import java.io.FileNotFoundException; 154import java.io.FileOutputStream; 155import java.io.IOException; 156import java.io.PrintWriter; 157import java.lang.annotation.Retention; 158import java.lang.annotation.RetentionPolicy; 159import java.nio.charset.StandardCharsets; 160import java.security.cert.CertificateException; 161import java.security.cert.CertificateFactory; 162import java.security.cert.X509Certificate; 163import java.text.DateFormat; 164import java.util.ArrayList; 165import java.util.Arrays; 166import java.util.Collections; 167import java.util.Date; 168import java.util.List; 169import java.util.Map.Entry; 170import java.util.Set; 171import java.util.concurrent.atomic.AtomicBoolean; 172 173/** 174 * Implementation of the device policy APIs. 175 */ 176public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 177 178 private static final String LOG_TAG = "DevicePolicyManagerService"; 179 180 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 181 182 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 183 184 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 185 186 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 187 188 private static final String TAG_STATUS_BAR = "statusbar"; 189 190 private static final String ATTR_DISABLED = "disabled"; 191 192 private static final String ATTR_NAME = "name"; 193 194 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 195 "do-not-ask-credentials-on-boot"; 196 197 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 198 199 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 200 201 private static final String ATTR_VALUE = "value"; 202 203 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 204 205 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 206 207 private static final long MS_PER_DAY = 86400 * 1000; 208 209 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 210 211 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 212 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 213 214 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 215 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 216 217 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 218 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 219 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 220 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 221 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 222 "device-provisioning-config-applied"; 223 224 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 225 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 226 = "application-restrictions-manager"; 227 228 /** 229 * System property whose value is either "true" or "false", indicating whether 230 * device owner is present. 231 */ 232 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 233 234 private static final int STATUS_BAR_DISABLE_MASK = 235 StatusBarManager.DISABLE_EXPAND | 236 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 237 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 238 StatusBarManager.DISABLE_SEARCH; 239 240 private static final int STATUS_BAR_DISABLE2_MASK = 241 StatusBarManager.DISABLE2_QUICK_SETTINGS; 242 243 private static final Set<String> SECURE_SETTINGS_WHITELIST; 244 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 245 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 246 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 247 static { 248 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 249 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 250 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 251 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 252 253 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 254 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 255 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 256 257 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 258 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 259 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 260 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 261 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 262 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 263 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 264 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 265 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 266 267 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 268 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 269 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 270 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 271 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 272 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 273 } 274 275 /** 276 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 277 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 278 * instance. 279 */ 280 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 281 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 282 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 283 284 /** 285 * Keyguard features that when set on a profile affect the profile content or challenge only. 286 * These cannot be set on the managed profile's parent DPM instance 287 */ 288 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 289 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 290 291 /** Keyguard features that are allowed to be set on a managed profile */ 292 private static final int PROFILE_KEYGUARD_FEATURES = 293 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 294 295 private static final int CODE_OK = 0; 296 private static final int CODE_HAS_DEVICE_OWNER = 1; 297 private static final int CODE_USER_HAS_PROFILE_OWNER = 2; 298 private static final int CODE_USER_NOT_RUNNING = 3; 299 private static final int CODE_USER_SETUP_COMPLETED = 4; 300 private static final int CODE_NONSYSTEM_USER_EXISTS = 5; 301 private static final int CODE_ACCOUNTS_NOT_EMPTY = 6; 302 private static final int CODE_NOT_SYSTEM_USER = 7; 303 304 @Retention(RetentionPolicy.SOURCE) 305 @IntDef({ CODE_OK, CODE_HAS_DEVICE_OWNER, CODE_USER_HAS_PROFILE_OWNER, CODE_USER_NOT_RUNNING, 306 CODE_USER_SETUP_COMPLETED, CODE_NOT_SYSTEM_USER }) 307 private @interface DeviceOwnerPreConditionCode {} 308 309 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 310 311 final Context mContext; 312 final Injector mInjector; 313 final IPackageManager mIPackageManager; 314 final UserManager mUserManager; 315 final UserManagerInternal mUserManagerInternal; 316 final TelephonyManager mTelephonyManager; 317 private final LockPatternUtils mLockPatternUtils; 318 319 /** 320 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 321 * is requested for user u. 322 */ 323 private final Set<Pair<String, Integer>> mPackagesToRemove = 324 new ArraySet<Pair<String, Integer>>(); 325 326 final LocalService mLocalService; 327 328 // Stores and loads state on device and profile owners. 329 @VisibleForTesting 330 final Owners mOwners; 331 332 private final Binder mToken = new Binder(); 333 334 /** 335 * Whether or not device admin feature is supported. If it isn't return defaults for all 336 * public methods. 337 */ 338 boolean mHasFeature; 339 340 private final SecurityLogMonitor mSecurityLogMonitor; 341 342 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 343 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 344 345 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 346 @Override 347 public void run() { 348 if(mRemoteBugreportServiceIsActive.get()) { 349 onBugreportFailed(); 350 } 351 } 352 }; 353 354 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 355 356 @Override 357 public void onReceive(Context context, Intent intent) { 358 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 359 && mRemoteBugreportServiceIsActive.get()) { 360 onBugreportFinished(intent); 361 } 362 } 363 }; 364 365 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 366 367 @Override 368 public void onReceive(Context context, Intent intent) { 369 String action = intent.getAction(); 370 mInjector.getNotificationManager().cancel(LOG_TAG, 371 RemoteBugreportUtils.NOTIFICATION_ID); 372 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 373 onBugreportSharingAccepted(); 374 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 375 onBugreportSharingDeclined(); 376 } 377 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 378 } 379 }; 380 381 public static final class Lifecycle extends SystemService { 382 private DevicePolicyManagerService mService; 383 384 public Lifecycle(Context context) { 385 super(context); 386 mService = new DevicePolicyManagerService(context); 387 } 388 389 @Override 390 public void onStart() { 391 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 392 } 393 394 @Override 395 public void onBootPhase(int phase) { 396 mService.systemReady(phase); 397 } 398 399 @Override 400 public void onStartUser(int userHandle) { 401 mService.onStartUser(userHandle); 402 } 403 } 404 405 public static class DevicePolicyData { 406 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 407 int mActivePasswordLength = 0; 408 int mActivePasswordUpperCase = 0; 409 int mActivePasswordLowerCase = 0; 410 int mActivePasswordLetters = 0; 411 int mActivePasswordNumeric = 0; 412 int mActivePasswordSymbols = 0; 413 int mActivePasswordNonLetter = 0; 414 int mFailedPasswordAttempts = 0; 415 416 int mUserHandle; 417 int mPasswordOwner = -1; 418 long mLastMaximumTimeToLock = -1; 419 boolean mUserSetupComplete = false; 420 int mUserProvisioningState; 421 int mPermissionPolicy; 422 423 boolean mDeviceProvisioningConfigApplied = false; 424 425 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 426 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 427 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 428 429 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 430 431 // This is the list of component allowed to start lock task mode. 432 List<String> mLockTaskPackages = new ArrayList<>(); 433 434 boolean mStatusBarDisabled = false; 435 436 ComponentName mRestrictionsProvider; 437 438 String mDelegatedCertInstallerPackage; 439 440 boolean doNotAskCredentialsOnBoot = false; 441 442 String mApplicationRestrictionsManagingPackage; 443 444 Set<String> mAffiliationIds = new ArraySet<>(); 445 446 // Used for initialization of users created by createAndManageUsers. 447 boolean mAdminBroadcastPending = false; 448 PersistableBundle mInitBundle = null; 449 450 public DevicePolicyData(int userHandle) { 451 mUserHandle = userHandle; 452 } 453 } 454 455 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 456 457 final Handler mHandler; 458 459 BroadcastReceiver mReceiver = new BroadcastReceiver() { 460 @Override 461 public void onReceive(Context context, Intent intent) { 462 final String action = intent.getAction(); 463 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 464 getSendingUserId()); 465 466 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 467 && userHandle == mOwners.getDeviceOwnerUserId() 468 && getDeviceOwnerRemoteBugreportUri() != null) { 469 IntentFilter filterConsent = new IntentFilter(); 470 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 471 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 472 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 473 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 474 RemoteBugreportUtils.NOTIFICATION_ID, 475 RemoteBugreportUtils.buildNotification(mContext, 476 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 477 UserHandle.ALL); 478 } 479 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 480 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 481 if (VERBOSE_LOG) { 482 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 483 + action + " for user " + userHandle); 484 } 485 mHandler.post(new Runnable() { 486 @Override 487 public void run() { 488 handlePasswordExpirationNotification(userHandle); 489 } 490 }); 491 } 492 if (Intent.ACTION_USER_UNLOCKED.equals(action) 493 || Intent.ACTION_USER_STARTED.equals(action) 494 || KeyChain.ACTION_TRUST_STORE_CHANGED.equals(action)) { 495 int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 496 new MonitoringCertNotificationTask().execute(userId); 497 } 498 if (Intent.ACTION_USER_ADDED.equals(action)) { 499 disableSecurityLoggingIfNotCompliant(); 500 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 501 disableSecurityLoggingIfNotCompliant(); 502 removeUserData(userHandle); 503 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 504 synchronized (DevicePolicyManagerService.this) { 505 // Reset the policy data 506 mUserData.remove(userHandle); 507 sendAdminEnabledBroadcastLocked(userHandle); 508 } 509 handlePackagesChanged(null /* check all admins */, userHandle); 510 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 511 handlePackagesChanged(null /* check all admins */, userHandle); 512 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 513 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 514 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 515 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 516 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 517 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 518 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 519 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 520 clearWipeProfileNotification(); 521 } 522 } 523 }; 524 525 static class ActiveAdmin { 526 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 527 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 528 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 529 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 530 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 531 = "disable-bt-contacts-sharing"; 532 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 533 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 534 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 535 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 536 private static final String TAG_ACCOUNT_TYPE = "account-type"; 537 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 538 = "permitted-accessiblity-services"; 539 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 540 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 541 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 542 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 543 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 544 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 545 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 546 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 547 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 548 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 549 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 550 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 551 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 552 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 553 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 554 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 555 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 556 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 557 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 558 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 559 private static final String ATTR_VALUE = "value"; 560 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 561 private static final String TAG_POLICIES = "policies"; 562 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 563 "cross-profile-widget-providers"; 564 private static final String TAG_PROVIDER = "provider"; 565 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 566 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 567 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 568 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 569 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 570 private static final String TAG_PARENT_ADMIN = "parent-admin"; 571 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 572 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 573 574 final DeviceAdminInfo info; 575 576 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 577 578 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 579 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 580 581 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 582 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 583 584 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 585 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 586 587 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 588 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 589 590 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 591 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 592 593 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 594 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 595 596 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 597 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 598 599 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 600 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 601 602 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 603 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 604 605 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 606 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 607 608 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 609 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 610 611 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 612 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 613 614 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 615 616 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 617 618 boolean encryptionRequested = false; 619 boolean disableCamera = false; 620 boolean disableCallerId = false; 621 boolean disableContactsSearch = false; 622 boolean disableBluetoothContactSharing = true; 623 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 624 boolean requireAutoTime = false; // Can only be set by a device owner. 625 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 626 627 ActiveAdmin parentAdmin; 628 final boolean isParent; 629 630 static class TrustAgentInfo { 631 public PersistableBundle options; 632 TrustAgentInfo(PersistableBundle bundle) { 633 options = bundle; 634 } 635 } 636 637 Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 638 639 // The list of permitted accessibility services package namesas set by a profile 640 // or device owner. Null means all accessibility services are allowed, empty means 641 // none except system services are allowed. 642 List<String> permittedAccessiblityServices; 643 644 // The list of permitted input methods package names as set by a profile or device owner. 645 // Null means all input methods are allowed, empty means none except system imes are 646 // allowed. 647 List<String> permittedInputMethods; 648 649 // List of package names to keep cached. 650 List<String> keepUninstalledPackages; 651 652 // TODO: review implementation decisions with frameworks team 653 boolean specifiesGlobalProxy = false; 654 String globalProxySpec = null; 655 String globalProxyExclusionList = null; 656 657 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 658 659 List<String> crossProfileWidgetProviders; 660 661 Bundle userRestrictions; 662 663 // Support text provided by the admin to display to the user. 664 CharSequence shortSupportMessage = null; 665 CharSequence longSupportMessage = null; 666 667 // Background color of confirm credentials screen. Default: teal. 668 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 669 int organizationColor = DEF_ORGANIZATION_COLOR; 670 671 // Default title of confirm credentials screen 672 String organizationName = null; 673 674 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 675 info = _info; 676 isParent = parent; 677 } 678 679 ActiveAdmin getParentActiveAdmin() { 680 Preconditions.checkState(!isParent); 681 682 if (parentAdmin == null) { 683 parentAdmin = new ActiveAdmin(info, /* parent */ true); 684 } 685 return parentAdmin; 686 } 687 688 boolean hasParentActiveAdmin() { 689 return parentAdmin != null; 690 } 691 692 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 693 694 public UserHandle getUserHandle() { 695 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 696 } 697 698 void writeToXml(XmlSerializer out) 699 throws IllegalArgumentException, IllegalStateException, IOException { 700 out.startTag(null, TAG_POLICIES); 701 info.writePoliciesToXml(out); 702 out.endTag(null, TAG_POLICIES); 703 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 704 out.startTag(null, TAG_PASSWORD_QUALITY); 705 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 706 out.endTag(null, TAG_PASSWORD_QUALITY); 707 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 708 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 709 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 710 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 711 } 712 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 713 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 714 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 715 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 716 } 717 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 718 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 719 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 720 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 721 } 722 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 723 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 724 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 725 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 726 } 727 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 728 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 729 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 730 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 731 } 732 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 733 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 734 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 735 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 736 } 737 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 738 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 739 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 740 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 741 } 742 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 743 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 744 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 745 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 746 } 747 } 748 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 749 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 750 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 751 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 752 } 753 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 754 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 755 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 756 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 757 } 758 if (specifiesGlobalProxy) { 759 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 760 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 761 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 762 if (globalProxySpec != null) { 763 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 764 out.attribute(null, ATTR_VALUE, globalProxySpec); 765 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 766 } 767 if (globalProxyExclusionList != null) { 768 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 769 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 770 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 771 } 772 } 773 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 774 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 775 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 776 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 777 } 778 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 779 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 780 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 781 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 782 } 783 if (encryptionRequested) { 784 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 785 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 786 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 787 } 788 if (disableCamera) { 789 out.startTag(null, TAG_DISABLE_CAMERA); 790 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 791 out.endTag(null, TAG_DISABLE_CAMERA); 792 } 793 if (disableCallerId) { 794 out.startTag(null, TAG_DISABLE_CALLER_ID); 795 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 796 out.endTag(null, TAG_DISABLE_CALLER_ID); 797 } 798 if (disableContactsSearch) { 799 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 800 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 801 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 802 } 803 if (!disableBluetoothContactSharing) { 804 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 805 out.attribute(null, ATTR_VALUE, 806 Boolean.toString(disableBluetoothContactSharing)); 807 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 808 } 809 if (disableScreenCapture) { 810 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 811 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 812 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 813 } 814 if (requireAutoTime) { 815 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 816 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 817 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 818 } 819 if (forceEphemeralUsers) { 820 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 821 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 822 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 823 } 824 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 825 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 826 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 827 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 828 } 829 if (!accountTypesWithManagementDisabled.isEmpty()) { 830 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 831 for (String ac : accountTypesWithManagementDisabled) { 832 out.startTag(null, TAG_ACCOUNT_TYPE); 833 out.attribute(null, ATTR_VALUE, ac); 834 out.endTag(null, TAG_ACCOUNT_TYPE); 835 } 836 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 837 } 838 if (!trustAgentInfos.isEmpty()) { 839 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 840 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 841 for (Entry<String, TrustAgentInfo> entry : set) { 842 TrustAgentInfo trustAgentInfo = entry.getValue(); 843 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 844 out.attribute(null, ATTR_VALUE, entry.getKey()); 845 if (trustAgentInfo.options != null) { 846 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 847 try { 848 trustAgentInfo.options.saveToXml(out); 849 } catch (XmlPullParserException e) { 850 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 851 } 852 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 853 } 854 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 855 } 856 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 857 } 858 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 859 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 860 final int providerCount = crossProfileWidgetProviders.size(); 861 for (int i = 0; i < providerCount; i++) { 862 String provider = crossProfileWidgetProviders.get(i); 863 out.startTag(null, TAG_PROVIDER); 864 out.attribute(null, ATTR_VALUE, provider); 865 out.endTag(null, TAG_PROVIDER); 866 } 867 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 868 } 869 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 870 permittedAccessiblityServices); 871 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 872 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 873 if (hasUserRestrictions()) { 874 UserRestrictionsUtils.writeRestrictions( 875 out, userRestrictions, TAG_USER_RESTRICTIONS); 876 } 877 if (!TextUtils.isEmpty(shortSupportMessage)) { 878 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 879 out.text(shortSupportMessage.toString()); 880 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 881 } 882 if (!TextUtils.isEmpty(longSupportMessage)) { 883 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 884 out.text(longSupportMessage.toString()); 885 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 886 } 887 if (parentAdmin != null) { 888 out.startTag(null, TAG_PARENT_ADMIN); 889 parentAdmin.writeToXml(out); 890 out.endTag(null, TAG_PARENT_ADMIN); 891 } 892 if (organizationColor != DEF_ORGANIZATION_COLOR) { 893 out.startTag(null, TAG_ORGANIZATION_COLOR); 894 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 895 out.endTag(null, TAG_ORGANIZATION_COLOR); 896 } 897 if (organizationName != null) { 898 out.startTag(null, TAG_ORGANIZATION_NAME); 899 out.text(organizationName); 900 out.endTag(null, TAG_ORGANIZATION_NAME); 901 } 902 } 903 904 void writePackageListToXml(XmlSerializer out, String outerTag, 905 List<String> packageList) 906 throws IllegalArgumentException, IllegalStateException, IOException { 907 if (packageList == null) { 908 return; 909 } 910 911 out.startTag(null, outerTag); 912 for (String packageName : packageList) { 913 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 914 out.attribute(null, ATTR_VALUE, packageName); 915 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 916 } 917 out.endTag(null, outerTag); 918 } 919 920 void readFromXml(XmlPullParser parser) 921 throws XmlPullParserException, IOException { 922 int outerDepth = parser.getDepth(); 923 int type; 924 while ((type=parser.next()) != END_DOCUMENT 925 && (type != END_TAG || parser.getDepth() > outerDepth)) { 926 if (type == END_TAG || type == TEXT) { 927 continue; 928 } 929 String tag = parser.getName(); 930 if (TAG_POLICIES.equals(tag)) { 931 info.readPoliciesFromXml(parser); 932 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 933 passwordQuality = Integer.parseInt( 934 parser.getAttributeValue(null, ATTR_VALUE)); 935 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 936 minimumPasswordLength = Integer.parseInt( 937 parser.getAttributeValue(null, ATTR_VALUE)); 938 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 939 passwordHistoryLength = Integer.parseInt( 940 parser.getAttributeValue(null, ATTR_VALUE)); 941 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 942 minimumPasswordUpperCase = Integer.parseInt( 943 parser.getAttributeValue(null, ATTR_VALUE)); 944 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 945 minimumPasswordLowerCase = Integer.parseInt( 946 parser.getAttributeValue(null, ATTR_VALUE)); 947 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 948 minimumPasswordLetters = Integer.parseInt( 949 parser.getAttributeValue(null, ATTR_VALUE)); 950 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 951 minimumPasswordNumeric = Integer.parseInt( 952 parser.getAttributeValue(null, ATTR_VALUE)); 953 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 954 minimumPasswordSymbols = Integer.parseInt( 955 parser.getAttributeValue(null, ATTR_VALUE)); 956 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 957 minimumPasswordNonLetter = Integer.parseInt( 958 parser.getAttributeValue(null, ATTR_VALUE)); 959 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 960 maximumTimeToUnlock = Long.parseLong( 961 parser.getAttributeValue(null, ATTR_VALUE)); 962 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 963 maximumFailedPasswordsForWipe = Integer.parseInt( 964 parser.getAttributeValue(null, ATTR_VALUE)); 965 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 966 specifiesGlobalProxy = Boolean.parseBoolean( 967 parser.getAttributeValue(null, ATTR_VALUE)); 968 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 969 globalProxySpec = 970 parser.getAttributeValue(null, ATTR_VALUE); 971 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 972 globalProxyExclusionList = 973 parser.getAttributeValue(null, ATTR_VALUE); 974 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 975 passwordExpirationTimeout = Long.parseLong( 976 parser.getAttributeValue(null, ATTR_VALUE)); 977 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 978 passwordExpirationDate = Long.parseLong( 979 parser.getAttributeValue(null, ATTR_VALUE)); 980 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 981 encryptionRequested = Boolean.parseBoolean( 982 parser.getAttributeValue(null, ATTR_VALUE)); 983 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 984 disableCamera = Boolean.parseBoolean( 985 parser.getAttributeValue(null, ATTR_VALUE)); 986 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 987 disableCallerId = Boolean.parseBoolean( 988 parser.getAttributeValue(null, ATTR_VALUE)); 989 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 990 disableContactsSearch = Boolean.parseBoolean( 991 parser.getAttributeValue(null, ATTR_VALUE)); 992 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 993 disableBluetoothContactSharing = Boolean.parseBoolean(parser 994 .getAttributeValue(null, ATTR_VALUE)); 995 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 996 disableScreenCapture = Boolean.parseBoolean( 997 parser.getAttributeValue(null, ATTR_VALUE)); 998 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 999 requireAutoTime = Boolean.parseBoolean( 1000 parser.getAttributeValue(null, ATTR_VALUE)); 1001 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1002 forceEphemeralUsers = Boolean.parseBoolean( 1003 parser.getAttributeValue(null, ATTR_VALUE)); 1004 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1005 disabledKeyguardFeatures = Integer.parseInt( 1006 parser.getAttributeValue(null, ATTR_VALUE)); 1007 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1008 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 1009 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1010 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1011 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1012 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 1013 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1014 permittedAccessiblityServices = readPackageList(parser, tag); 1015 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1016 permittedInputMethods = readPackageList(parser, tag); 1017 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1018 keepUninstalledPackages = readPackageList(parser, tag); 1019 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1020 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 1021 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1022 type = parser.next(); 1023 if (type == XmlPullParser.TEXT) { 1024 shortSupportMessage = parser.getText(); 1025 } else { 1026 Log.w(LOG_TAG, "Missing text when loading short support message"); 1027 } 1028 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1029 type = parser.next(); 1030 if (type == XmlPullParser.TEXT) { 1031 longSupportMessage = parser.getText(); 1032 } else { 1033 Log.w(LOG_TAG, "Missing text when loading long support message"); 1034 } 1035 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1036 Preconditions.checkState(!isParent); 1037 1038 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1039 parentAdmin.readFromXml(parser); 1040 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1041 organizationColor = Integer.parseInt( 1042 parser.getAttributeValue(null, ATTR_VALUE)); 1043 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1044 type = parser.next(); 1045 if (type == XmlPullParser.TEXT) { 1046 organizationName = parser.getText(); 1047 } else { 1048 Log.w(LOG_TAG, "Missing text when loading organization name"); 1049 } 1050 } else { 1051 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1052 XmlUtils.skipCurrentTag(parser); 1053 } 1054 } 1055 } 1056 1057 private List<String> readPackageList(XmlPullParser parser, 1058 String tag) throws XmlPullParserException, IOException { 1059 List<String> result = new ArrayList<String>(); 1060 int outerDepth = parser.getDepth(); 1061 int outerType; 1062 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1063 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1064 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1065 continue; 1066 } 1067 String outerTag = parser.getName(); 1068 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1069 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1070 if (packageName != null) { 1071 result.add(packageName); 1072 } else { 1073 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1074 } 1075 } else { 1076 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1077 } 1078 } 1079 return result; 1080 } 1081 1082 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 1083 throws XmlPullParserException, IOException { 1084 int outerDepthDAM = parser.getDepth(); 1085 int typeDAM; 1086 Set<String> result = new ArraySet<>(); 1087 while ((typeDAM=parser.next()) != END_DOCUMENT 1088 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1089 if (typeDAM == END_TAG || typeDAM == TEXT) { 1090 continue; 1091 } 1092 String tagDAM = parser.getName(); 1093 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 1094 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1095 } else { 1096 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1097 } 1098 } 1099 return result; 1100 } 1101 1102 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1103 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1104 int outerDepthDAM = parser.getDepth(); 1105 int typeDAM; 1106 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1107 while ((typeDAM=parser.next()) != END_DOCUMENT 1108 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1109 if (typeDAM == END_TAG || typeDAM == TEXT) { 1110 continue; 1111 } 1112 String tagDAM = parser.getName(); 1113 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1114 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1115 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1116 result.put(component, trustAgentInfo); 1117 } else { 1118 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1119 } 1120 } 1121 return result; 1122 } 1123 1124 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1125 throws XmlPullParserException, IOException { 1126 int outerDepthDAM = parser.getDepth(); 1127 int typeDAM; 1128 TrustAgentInfo result = new TrustAgentInfo(null); 1129 while ((typeDAM=parser.next()) != END_DOCUMENT 1130 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1131 if (typeDAM == END_TAG || typeDAM == TEXT) { 1132 continue; 1133 } 1134 String tagDAM = parser.getName(); 1135 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1136 result.options = PersistableBundle.restoreFromXml(parser); 1137 } else { 1138 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1139 } 1140 } 1141 return result; 1142 } 1143 1144 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 1145 throws XmlPullParserException, IOException { 1146 int outerDepthDAM = parser.getDepth(); 1147 int typeDAM; 1148 ArrayList<String> result = null; 1149 while ((typeDAM=parser.next()) != END_DOCUMENT 1150 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1151 if (typeDAM == END_TAG || typeDAM == TEXT) { 1152 continue; 1153 } 1154 String tagDAM = parser.getName(); 1155 if (TAG_PROVIDER.equals(tagDAM)) { 1156 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 1157 if (result == null) { 1158 result = new ArrayList<>(); 1159 } 1160 result.add(provider); 1161 } else { 1162 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1163 } 1164 } 1165 return result; 1166 } 1167 1168 boolean hasUserRestrictions() { 1169 return userRestrictions != null && userRestrictions.size() > 0; 1170 } 1171 1172 Bundle ensureUserRestrictions() { 1173 if (userRestrictions == null) { 1174 userRestrictions = new Bundle(); 1175 } 1176 return userRestrictions; 1177 } 1178 1179 void dump(String prefix, PrintWriter pw) { 1180 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1181 pw.print(prefix); pw.println("policies:"); 1182 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1183 if (pols != null) { 1184 for (int i=0; i<pols.size(); i++) { 1185 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1186 } 1187 } 1188 pw.print(prefix); pw.print("passwordQuality=0x"); 1189 pw.println(Integer.toHexString(passwordQuality)); 1190 pw.print(prefix); pw.print("minimumPasswordLength="); 1191 pw.println(minimumPasswordLength); 1192 pw.print(prefix); pw.print("passwordHistoryLength="); 1193 pw.println(passwordHistoryLength); 1194 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1195 pw.println(minimumPasswordUpperCase); 1196 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1197 pw.println(minimumPasswordLowerCase); 1198 pw.print(prefix); pw.print("minimumPasswordLetters="); 1199 pw.println(minimumPasswordLetters); 1200 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1201 pw.println(minimumPasswordNumeric); 1202 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1203 pw.println(minimumPasswordSymbols); 1204 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1205 pw.println(minimumPasswordNonLetter); 1206 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1207 pw.println(maximumTimeToUnlock); 1208 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1209 pw.println(maximumFailedPasswordsForWipe); 1210 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1211 pw.println(specifiesGlobalProxy); 1212 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1213 pw.println(passwordExpirationTimeout); 1214 pw.print(prefix); pw.print("passwordExpirationDate="); 1215 pw.println(passwordExpirationDate); 1216 if (globalProxySpec != null) { 1217 pw.print(prefix); pw.print("globalProxySpec="); 1218 pw.println(globalProxySpec); 1219 } 1220 if (globalProxyExclusionList != null) { 1221 pw.print(prefix); pw.print("globalProxyEclusionList="); 1222 pw.println(globalProxyExclusionList); 1223 } 1224 pw.print(prefix); pw.print("encryptionRequested="); 1225 pw.println(encryptionRequested); 1226 pw.print(prefix); pw.print("disableCamera="); 1227 pw.println(disableCamera); 1228 pw.print(prefix); pw.print("disableCallerId="); 1229 pw.println(disableCallerId); 1230 pw.print(prefix); pw.print("disableContactsSearch="); 1231 pw.println(disableContactsSearch); 1232 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1233 pw.println(disableBluetoothContactSharing); 1234 pw.print(prefix); pw.print("disableScreenCapture="); 1235 pw.println(disableScreenCapture); 1236 pw.print(prefix); pw.print("requireAutoTime="); 1237 pw.println(requireAutoTime); 1238 pw.print(prefix); pw.print("forceEphemeralUsers="); 1239 pw.println(forceEphemeralUsers); 1240 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1241 pw.println(disabledKeyguardFeatures); 1242 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1243 pw.println(crossProfileWidgetProviders); 1244 if (permittedAccessiblityServices != null) { 1245 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1246 pw.println(permittedAccessiblityServices); 1247 } 1248 if (permittedInputMethods != null) { 1249 pw.print(prefix); pw.print("permittedInputMethods="); 1250 pw.println(permittedInputMethods); 1251 } 1252 if (keepUninstalledPackages != null) { 1253 pw.print(prefix); pw.print("keepUninstalledPackages="); 1254 pw.println(keepUninstalledPackages); 1255 } 1256 pw.print(prefix); pw.print("organizationColor="); 1257 pw.println(organizationColor); 1258 if (organizationName != null) { 1259 pw.print(prefix); pw.print("organizationName="); 1260 pw.println(organizationName); 1261 } 1262 pw.print(prefix); pw.println("userRestrictions:"); 1263 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1264 pw.print(prefix); pw.print("isParent="); 1265 pw.println(isParent); 1266 if (parentAdmin != null) { 1267 pw.print(prefix); pw.println("parentAdmin:"); 1268 parentAdmin.dump(prefix + " ", pw); 1269 } 1270 } 1271 } 1272 1273 private void handlePackagesChanged(String packageName, int userHandle) { 1274 boolean removed = false; 1275 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1276 DevicePolicyData policy = getUserData(userHandle); 1277 synchronized (this) { 1278 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1279 ActiveAdmin aa = policy.mAdminList.get(i); 1280 try { 1281 // If we're checking all packages or if the specific one we're checking matches, 1282 // then check if the package and receiver still exist. 1283 final String adminPackage = aa.info.getPackageName(); 1284 if (packageName == null || packageName.equals(adminPackage)) { 1285 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1286 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1287 PackageManager.MATCH_DIRECT_BOOT_AWARE 1288 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1289 userHandle) == null) { 1290 removed = true; 1291 policy.mAdminList.remove(i); 1292 policy.mAdminMap.remove(aa.info.getComponent()); 1293 } 1294 } 1295 } catch (RemoteException re) { 1296 // Shouldn't happen 1297 } 1298 } 1299 if (removed) { 1300 validatePasswordOwnerLocked(policy); 1301 saveSettingsLocked(policy.mUserHandle); 1302 } 1303 1304 // Check if delegated cert installer or app restrictions managing packages are removed. 1305 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1306 policy.mDelegatedCertInstallerPackage = null; 1307 saveSettingsLocked(policy.mUserHandle); 1308 } 1309 if (isRemovedPackage( 1310 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1311 policy.mApplicationRestrictionsManagingPackage = null; 1312 saveSettingsLocked(policy.mUserHandle); 1313 } 1314 } 1315 if (removed) { 1316 // The removed admin might have disabled camera, so update user restrictions. 1317 pushUserRestrictions(userHandle); 1318 } 1319 } 1320 1321 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1322 try { 1323 return targetPackage != null 1324 && (changedPackage == null || changedPackage.equals(targetPackage)) 1325 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1326 } catch (RemoteException e) { 1327 // Shouldn't happen 1328 } 1329 1330 return false; 1331 } 1332 1333 /** 1334 * Unit test will subclass it to inject mocks. 1335 */ 1336 @VisibleForTesting 1337 static class Injector { 1338 1339 private final Context mContext; 1340 1341 Injector(Context context) { 1342 mContext = context; 1343 } 1344 1345 Owners newOwners() { 1346 return new Owners(getUserManager(), getUserManagerInternal(), 1347 getPackageManagerInternal()); 1348 } 1349 1350 UserManager getUserManager() { 1351 return UserManager.get(mContext); 1352 } 1353 1354 UserManagerInternal getUserManagerInternal() { 1355 return LocalServices.getService(UserManagerInternal.class); 1356 } 1357 1358 PackageManagerInternal getPackageManagerInternal() { 1359 return LocalServices.getService(PackageManagerInternal.class); 1360 } 1361 1362 NotificationManager getNotificationManager() { 1363 return mContext.getSystemService(NotificationManager.class); 1364 } 1365 1366 PowerManagerInternal getPowerManagerInternal() { 1367 return LocalServices.getService(PowerManagerInternal.class); 1368 } 1369 1370 TelephonyManager getTelephonyManager() { 1371 return TelephonyManager.from(mContext); 1372 } 1373 1374 IWindowManager getIWindowManager() { 1375 return IWindowManager.Stub 1376 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1377 } 1378 1379 IActivityManager getIActivityManager() { 1380 return ActivityManagerNative.getDefault(); 1381 } 1382 1383 IPackageManager getIPackageManager() { 1384 return AppGlobals.getPackageManager(); 1385 } 1386 1387 IBackupManager getIBackupManager() { 1388 return IBackupManager.Stub.asInterface( 1389 ServiceManager.getService(Context.BACKUP_SERVICE)); 1390 } 1391 1392 IAudioService getIAudioService() { 1393 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1394 } 1395 1396 LockPatternUtils newLockPatternUtils() { 1397 return new LockPatternUtils(mContext); 1398 } 1399 1400 boolean storageManagerIsFileBasedEncryptionEnabled() { 1401 return StorageManager.isFileEncryptedNativeOnly(); 1402 } 1403 1404 boolean storageManagerIsNonDefaultBlockEncrypted() { 1405 long identity = Binder.clearCallingIdentity(); 1406 try { 1407 return StorageManager.isNonDefaultBlockEncrypted(); 1408 } finally { 1409 Binder.restoreCallingIdentity(identity); 1410 } 1411 } 1412 1413 boolean storageManagerIsEncrypted() { 1414 return StorageManager.isEncrypted(); 1415 } 1416 1417 boolean storageManagerIsEncryptable() { 1418 return StorageManager.isEncryptable(); 1419 } 1420 1421 Looper getMyLooper() { 1422 return Looper.myLooper(); 1423 } 1424 1425 WifiManager getWifiManager() { 1426 return mContext.getSystemService(WifiManager.class); 1427 } 1428 1429 long binderClearCallingIdentity() { 1430 return Binder.clearCallingIdentity(); 1431 } 1432 1433 void binderRestoreCallingIdentity(long token) { 1434 Binder.restoreCallingIdentity(token); 1435 } 1436 1437 int binderGetCallingUid() { 1438 return Binder.getCallingUid(); 1439 } 1440 1441 int binderGetCallingPid() { 1442 return Binder.getCallingPid(); 1443 } 1444 1445 UserHandle binderGetCallingUserHandle() { 1446 return Binder.getCallingUserHandle(); 1447 } 1448 1449 boolean binderIsCallingUidMyUid() { 1450 return getCallingUid() == Process.myUid(); 1451 } 1452 1453 final int userHandleGetCallingUserId() { 1454 return UserHandle.getUserId(binderGetCallingUid()); 1455 } 1456 1457 File environmentGetUserSystemDirectory(int userId) { 1458 return Environment.getUserSystemDirectory(userId); 1459 } 1460 1461 void powerManagerGoToSleep(long time, int reason, int flags) { 1462 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1463 } 1464 1465 void powerManagerReboot(String reason) { 1466 mContext.getSystemService(PowerManager.class).reboot(reason); 1467 } 1468 1469 boolean systemPropertiesGetBoolean(String key, boolean def) { 1470 return SystemProperties.getBoolean(key, def); 1471 } 1472 1473 long systemPropertiesGetLong(String key, long def) { 1474 return SystemProperties.getLong(key, def); 1475 } 1476 1477 String systemPropertiesGet(String key, String def) { 1478 return SystemProperties.get(key, def); 1479 } 1480 1481 String systemPropertiesGet(String key) { 1482 return SystemProperties.get(key); 1483 } 1484 1485 void systemPropertiesSet(String key, String value) { 1486 SystemProperties.set(key, value); 1487 } 1488 1489 boolean userManagerIsSplitSystemUser() { 1490 return UserManager.isSplitSystemUser(); 1491 } 1492 1493 String getDevicePolicyFilePathForSystemUser() { 1494 return "/data/system/"; 1495 } 1496 1497 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1498 ContentObserver observer, int userHandle) { 1499 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1500 observer, userHandle); 1501 } 1502 1503 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1504 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1505 name, def, userHandle); 1506 } 1507 1508 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1509 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1510 name, value, userHandle); 1511 } 1512 1513 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1514 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1515 name, value, userHandle); 1516 } 1517 1518 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1519 Settings.Global.putStringForUser(mContext.getContentResolver(), 1520 name, value, userHandle); 1521 } 1522 1523 void settingsSecurePutInt(String name, int value) { 1524 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1525 } 1526 1527 int settingsGlobalGetInt(String name, int def) { 1528 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1529 } 1530 1531 void settingsGlobalPutInt(String name, int value) { 1532 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1533 } 1534 1535 void settingsSecurePutString(String name, String value) { 1536 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1537 } 1538 1539 void settingsGlobalPutString(String name, String value) { 1540 Settings.Global.putString(mContext.getContentResolver(), name, value); 1541 } 1542 1543 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1544 SecurityLog.setLoggingEnabledProperty(enabled); 1545 } 1546 1547 boolean securityLogGetLoggingEnabledProperty() { 1548 return SecurityLog.getLoggingEnabledProperty(); 1549 } 1550 1551 boolean securityLogIsLoggingEnabled() { 1552 return SecurityLog.isLoggingEnabled(); 1553 } 1554 } 1555 1556 /** 1557 * Instantiates the service. 1558 */ 1559 public DevicePolicyManagerService(Context context) { 1560 this(new Injector(context)); 1561 } 1562 1563 @VisibleForTesting 1564 DevicePolicyManagerService(Injector injector) { 1565 mInjector = injector; 1566 mContext = Preconditions.checkNotNull(injector.mContext); 1567 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1568 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1569 1570 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1571 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1572 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1573 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1574 1575 mLocalService = new LocalService(); 1576 mLockPatternUtils = injector.newLockPatternUtils(); 1577 1578 mSecurityLogMonitor = new SecurityLogMonitor(this); 1579 1580 mHasFeature = mContext.getPackageManager() 1581 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1582 if (!mHasFeature) { 1583 // Skip the rest of the initialization 1584 return; 1585 } 1586 IntentFilter filter = new IntentFilter(); 1587 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1588 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1589 filter.addAction(Intent.ACTION_USER_ADDED); 1590 filter.addAction(Intent.ACTION_USER_REMOVED); 1591 filter.addAction(Intent.ACTION_USER_STARTED); 1592 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1593 filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); 1594 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1595 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1596 filter = new IntentFilter(); 1597 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1598 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1599 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1600 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1601 filter.addDataScheme("package"); 1602 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1603 filter = new IntentFilter(); 1604 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1605 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1606 1607 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1608 } 1609 1610 /** 1611 * Creates and loads the policy data from xml. 1612 * @param userHandle the user for whom to load the policy data 1613 * @return 1614 */ 1615 @NonNull 1616 DevicePolicyData getUserData(int userHandle) { 1617 synchronized (this) { 1618 DevicePolicyData policy = mUserData.get(userHandle); 1619 if (policy == null) { 1620 policy = new DevicePolicyData(userHandle); 1621 mUserData.append(userHandle, policy); 1622 loadSettingsLocked(policy, userHandle); 1623 } 1624 return policy; 1625 } 1626 } 1627 1628 /** 1629 * Creates and loads the policy data from xml for data that is shared between 1630 * various profiles of a user. In contrast to {@link #getUserData(int)} 1631 * it allows access to data of users other than the calling user. 1632 * 1633 * This function should only be used for shared data, e.g. everything regarding 1634 * passwords and should be removed once multiple screen locks are present. 1635 * @param userHandle the user for whom to load the policy data 1636 * @return 1637 */ 1638 DevicePolicyData getUserDataUnchecked(int userHandle) { 1639 long ident = mInjector.binderClearCallingIdentity(); 1640 try { 1641 return getUserData(userHandle); 1642 } finally { 1643 mInjector.binderRestoreCallingIdentity(ident); 1644 } 1645 } 1646 1647 void removeUserData(int userHandle) { 1648 synchronized (this) { 1649 if (userHandle == UserHandle.USER_SYSTEM) { 1650 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1651 return; 1652 } 1653 mOwners.removeProfileOwner(userHandle); 1654 mOwners.writeProfileOwner(userHandle); 1655 1656 DevicePolicyData policy = mUserData.get(userHandle); 1657 if (policy != null) { 1658 mUserData.remove(userHandle); 1659 } 1660 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1661 DEVICE_POLICIES_XML); 1662 policyFile.delete(); 1663 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1664 } 1665 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1666 } 1667 1668 void loadOwners() { 1669 synchronized (this) { 1670 mOwners.load(); 1671 setDeviceOwnerSystemPropertyLocked(); 1672 findOwnerComponentIfNecessaryLocked(); 1673 migrateUserRestrictionsIfNecessaryLocked(); 1674 1675 // TODO PO may not have a class name either due to b/17652534. Address that too. 1676 1677 updateDeviceOwnerLocked(); 1678 } 1679 } 1680 1681 private void setDeviceOwnerSystemPropertyLocked() { 1682 // Device owner may still be provisioned, do not set the read-only system property yet. 1683 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1684 return; 1685 } 1686 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1687 // always false at this point. 1688 if (StorageManager.inCryptKeeperBounce()) { 1689 return; 1690 } 1691 1692 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1693 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1694 } else { 1695 if (mOwners.hasDeviceOwner()) { 1696 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1697 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1698 disableSecurityLoggingIfNotCompliant(); 1699 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1700 mSecurityLogMonitor.start(); 1701 } 1702 } else { 1703 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1704 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1705 } 1706 } 1707 } 1708 1709 private void findOwnerComponentIfNecessaryLocked() { 1710 if (!mOwners.hasDeviceOwner()) { 1711 return; 1712 } 1713 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1714 1715 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1716 return; // Already a full component name. 1717 } 1718 1719 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1720 doComponentName.getPackageName(), 1721 mOwners.getDeviceOwnerUserId()); 1722 if (doComponent == null) { 1723 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1724 } else { 1725 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1726 doComponent, 1727 mOwners.getDeviceOwnerName(), 1728 mOwners.getDeviceOwnerUserId(), 1729 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1730 mOwners.writeDeviceOwner(); 1731 if (VERBOSE_LOG) { 1732 Log.v(LOG_TAG, "Device owner component filled in"); 1733 } 1734 } 1735 } 1736 1737 /** 1738 * We didn't use to persist user restrictions for each owners but only persisted in user 1739 * manager. 1740 */ 1741 private void migrateUserRestrictionsIfNecessaryLocked() { 1742 boolean migrated = false; 1743 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1744 // except for the "system controlled" ones. 1745 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1746 if (VERBOSE_LOG) { 1747 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1748 } 1749 migrated = true; 1750 1751 // Migrate user 0 restrictions to DO. 1752 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1753 1754 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1755 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1756 1757 // Push DO user restrictions to user manager. 1758 pushUserRestrictions(UserHandle.USER_SYSTEM); 1759 1760 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1761 } 1762 1763 // Migrate for POs. 1764 1765 // The following restrictions can be set on secondary users by the device owner, so we 1766 // assume they're not from the PO. 1767 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1768 UserManager.DISALLOW_OUTGOING_CALLS, 1769 UserManager.DISALLOW_SMS); 1770 1771 for (UserInfo ui : mUserManager.getUsers()) { 1772 final int userId = ui.id; 1773 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1774 if (VERBOSE_LOG) { 1775 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1776 } 1777 migrated = true; 1778 1779 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1780 1781 final Set<String> exceptionList = 1782 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1783 1784 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1785 exceptionList, /* isDeviceOwner =*/ false); 1786 1787 // Note if a secondary user has no PO but has a DA that disables camera, we 1788 // don't get here and won't push the camera user restriction to UserManager 1789 // here. That's okay because we'll push user restrictions anyway when a user 1790 // starts. But we still do it because we want to let user manager persist 1791 // upon migration. 1792 pushUserRestrictions(userId); 1793 1794 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1795 } 1796 } 1797 if (VERBOSE_LOG && migrated) { 1798 Log.v(LOG_TAG, "User restrictions migrated."); 1799 } 1800 } 1801 1802 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1803 Set<String> exceptionList, boolean isDeviceOwner) { 1804 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1805 user.getIdentifier()); 1806 1807 final Bundle newBaseRestrictions = new Bundle(); 1808 final Bundle newOwnerRestrictions = new Bundle(); 1809 1810 for (String key : origRestrictions.keySet()) { 1811 if (!origRestrictions.getBoolean(key)) { 1812 continue; 1813 } 1814 final boolean canOwnerChange = isDeviceOwner 1815 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1816 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1817 1818 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1819 newBaseRestrictions.putBoolean(key, true); 1820 } else { 1821 newOwnerRestrictions.putBoolean(key, true); 1822 } 1823 } 1824 1825 if (VERBOSE_LOG) { 1826 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1827 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1828 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1829 } 1830 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1831 newBaseRestrictions); 1832 1833 if (admin != null) { 1834 admin.ensureUserRestrictions().clear(); 1835 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1836 } else { 1837 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1838 } 1839 saveSettingsLocked(user.getIdentifier()); 1840 } 1841 1842 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1843 final DevicePolicyData policy = getUserData(userId); 1844 final int n = policy.mAdminList.size(); 1845 ComponentName found = null; 1846 int nFound = 0; 1847 for (int i = 0; i < n; i++) { 1848 final ActiveAdmin admin = policy.mAdminList.get(i); 1849 if (packageName.equals(admin.info.getPackageName())) { 1850 // Found! 1851 if (nFound == 0) { 1852 found = admin.info.getComponent(); 1853 } 1854 nFound++; 1855 } 1856 } 1857 if (nFound > 1) { 1858 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1859 } 1860 return found; 1861 } 1862 1863 /** 1864 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1865 * reminders. Clears alarm if no expirations are configured. 1866 */ 1867 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 1868 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 1869 final long now = System.currentTimeMillis(); 1870 final long timeToExpire = expiration - now; 1871 final long alarmTime; 1872 if (expiration == 0) { 1873 // No expirations are currently configured: Cancel alarm. 1874 alarmTime = 0; 1875 } else if (timeToExpire <= 0) { 1876 // The password has already expired: Repeat every 24 hours. 1877 alarmTime = now + MS_PER_DAY; 1878 } else { 1879 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1880 // the expiration time. 1881 long alarmInterval = timeToExpire % MS_PER_DAY; 1882 if (alarmInterval == 0) { 1883 alarmInterval = MS_PER_DAY; 1884 } 1885 alarmTime = now + alarmInterval; 1886 } 1887 1888 long token = mInjector.binderClearCallingIdentity(); 1889 try { 1890 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 1891 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1892 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1893 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1894 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1895 UserHandle.of(affectedUserHandle)); 1896 am.cancel(pi); 1897 if (alarmTime != 0) { 1898 am.set(AlarmManager.RTC, alarmTime, pi); 1899 } 1900 } finally { 1901 mInjector.binderRestoreCallingIdentity(token); 1902 } 1903 } 1904 1905 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1906 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1907 if (admin != null 1908 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1909 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1910 return admin; 1911 } 1912 return null; 1913 } 1914 1915 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 1916 if (parent) { 1917 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 1918 } 1919 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1920 if (admin != null && parent) { 1921 admin = admin.getParentActiveAdmin(); 1922 } 1923 return admin; 1924 } 1925 1926 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1927 throws SecurityException { 1928 final int callingUid = mInjector.binderGetCallingUid(); 1929 1930 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1931 if (result != null) { 1932 return result; 1933 } 1934 1935 if (who != null) { 1936 final int userId = UserHandle.getUserId(callingUid); 1937 final DevicePolicyData policy = getUserData(userId); 1938 ActiveAdmin admin = policy.mAdminMap.get(who); 1939 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1940 throw new SecurityException("Admin " + admin.info.getComponent() 1941 + " does not own the device"); 1942 } 1943 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1944 throw new SecurityException("Admin " + admin.info.getComponent() 1945 + " does not own the profile"); 1946 } 1947 throw new SecurityException("Admin " + admin.info.getComponent() 1948 + " did not specify uses-policy for: " 1949 + admin.info.getTagForPolicy(reqPolicy)); 1950 } else { 1951 throw new SecurityException("No active admin owned by uid " 1952 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 1953 } 1954 } 1955 1956 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 1957 throws SecurityException { 1958 if (parent) { 1959 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 1960 "call APIs on the parent profile"); 1961 } 1962 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 1963 return parent ? admin.getParentActiveAdmin() : admin; 1964 } 1965 /** 1966 * Find the admin for the component and userId bit of the uid, then check 1967 * the admin's uid matches the uid. 1968 */ 1969 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 1970 final int userId = UserHandle.getUserId(uid); 1971 final DevicePolicyData policy = getUserData(userId); 1972 ActiveAdmin admin = policy.mAdminMap.get(who); 1973 if (admin == null) { 1974 throw new SecurityException("No active admin " + who); 1975 } 1976 if (admin.getUid() != uid) { 1977 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1978 } 1979 return admin; 1980 } 1981 1982 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1983 int uid) { 1984 // Try to find an admin which can use reqPolicy 1985 final int userId = UserHandle.getUserId(uid); 1986 final DevicePolicyData policy = getUserData(userId); 1987 if (who != null) { 1988 ActiveAdmin admin = policy.mAdminMap.get(who); 1989 if (admin == null) { 1990 throw new SecurityException("No active admin " + who); 1991 } 1992 if (admin.getUid() != uid) { 1993 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 1994 } 1995 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1996 return admin; 1997 } 1998 } else { 1999 for (ActiveAdmin admin : policy.mAdminList) { 2000 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2001 userId)) { 2002 return admin; 2003 } 2004 } 2005 } 2006 2007 return null; 2008 } 2009 2010 @VisibleForTesting 2011 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2012 int userId) { 2013 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2014 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2015 2016 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2017 return ownsDevice; 2018 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2019 // DO always has the PO power. 2020 return ownsDevice || ownsProfile; 2021 } else { 2022 return admin.info.usesPolicy(reqPolicy); 2023 } 2024 } 2025 2026 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2027 sendAdminCommandLocked(admin, action, null); 2028 } 2029 2030 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2031 sendAdminCommandLocked(admin, action, null, result); 2032 } 2033 2034 /** 2035 * Send an update to one specific admin, get notified when that admin returns a result. 2036 */ 2037 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2038 BroadcastReceiver result) { 2039 Intent intent = new Intent(action); 2040 intent.setComponent(admin.info.getComponent()); 2041 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2042 intent.putExtra("expiration", admin.passwordExpirationDate); 2043 } 2044 if (adminExtras != null) { 2045 intent.putExtras(adminExtras); 2046 } 2047 if (result != null) { 2048 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2049 null, result, mHandler, Activity.RESULT_OK, null, null); 2050 } else { 2051 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2052 } 2053 } 2054 2055 /** 2056 * Send an update to all admins of a user that enforce a specified policy. 2057 */ 2058 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 2059 final DevicePolicyData policy = getUserData(userHandle); 2060 final int count = policy.mAdminList.size(); 2061 if (count > 0) { 2062 for (int i = 0; i < count; i++) { 2063 final ActiveAdmin admin = policy.mAdminList.get(i); 2064 if (admin.info.usesPolicy(reqPolicy)) { 2065 sendAdminCommandLocked(admin, action); 2066 } 2067 } 2068 } 2069 } 2070 2071 /** 2072 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2073 * enforce a specified policy. 2074 */ 2075 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2076 int userHandle) { 2077 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2078 for (int profileId : profileIds) { 2079 sendAdminCommandLocked(action, reqPolicy, profileId); 2080 } 2081 } 2082 2083 /** 2084 * Sends a broadcast to each profile that share the password unlock with the given user id. 2085 */ 2086 private void sendAdminCommandForLockscreenPoliciesLocked( 2087 String action, int reqPolicy, int userHandle) { 2088 if (isSeparateProfileChallengeEnabled(userHandle)) { 2089 sendAdminCommandLocked(action, reqPolicy, userHandle); 2090 } else { 2091 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 2092 } 2093 } 2094 2095 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2096 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2097 DevicePolicyData policy = getUserData(userHandle); 2098 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2099 policy.mRemovingAdmins.add(adminReceiver); 2100 sendAdminCommandLocked(admin, 2101 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2102 new BroadcastReceiver() { 2103 @Override 2104 public void onReceive(Context context, Intent intent) { 2105 removeAdminArtifacts(adminReceiver, userHandle); 2106 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2107 } 2108 }); 2109 } 2110 } 2111 2112 2113 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2114 boolean throwForMissiongPermission) { 2115 if (!mHasFeature) { 2116 return null; 2117 } 2118 enforceFullCrossUsersPermission(userHandle); 2119 ActivityInfo ai = null; 2120 try { 2121 ai = mIPackageManager.getReceiverInfo(adminName, 2122 PackageManager.GET_META_DATA | 2123 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2124 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2125 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2126 } catch (RemoteException e) { 2127 // shouldn't happen. 2128 } 2129 if (ai == null) { 2130 throw new IllegalArgumentException("Unknown admin: " + adminName); 2131 } 2132 2133 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2134 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2135 + permission.BIND_DEVICE_ADMIN; 2136 Slog.w(LOG_TAG, message); 2137 if (throwForMissiongPermission && 2138 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2139 throw new IllegalArgumentException(message); 2140 } 2141 } 2142 2143 try { 2144 return new DeviceAdminInfo(mContext, ai); 2145 } catch (XmlPullParserException | IOException e) { 2146 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2147 e); 2148 return null; 2149 } 2150 } 2151 2152 private JournaledFile makeJournaledFile(int userHandle) { 2153 final String base = userHandle == UserHandle.USER_SYSTEM 2154 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2155 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2156 DEVICE_POLICIES_XML).getAbsolutePath(); 2157 if (VERBOSE_LOG) { 2158 Log.v(LOG_TAG, "Opening " + base); 2159 } 2160 return new JournaledFile(new File(base), new File(base + ".tmp")); 2161 } 2162 2163 private void saveSettingsLocked(int userHandle) { 2164 DevicePolicyData policy = getUserData(userHandle); 2165 JournaledFile journal = makeJournaledFile(userHandle); 2166 FileOutputStream stream = null; 2167 try { 2168 stream = new FileOutputStream(journal.chooseForWrite(), false); 2169 XmlSerializer out = new FastXmlSerializer(); 2170 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2171 out.startDocument(null, true); 2172 2173 out.startTag(null, "policies"); 2174 if (policy.mRestrictionsProvider != null) { 2175 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2176 policy.mRestrictionsProvider.flattenToString()); 2177 } 2178 if (policy.mUserSetupComplete) { 2179 out.attribute(null, ATTR_SETUP_COMPLETE, 2180 Boolean.toString(true)); 2181 } 2182 if (policy.mDeviceProvisioningConfigApplied) { 2183 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2184 Boolean.toString(true)); 2185 } 2186 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2187 out.attribute(null, ATTR_PROVISIONING_STATE, 2188 Integer.toString(policy.mUserProvisioningState)); 2189 } 2190 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2191 out.attribute(null, ATTR_PERMISSION_POLICY, 2192 Integer.toString(policy.mPermissionPolicy)); 2193 } 2194 if (policy.mDelegatedCertInstallerPackage != null) { 2195 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2196 policy.mDelegatedCertInstallerPackage); 2197 } 2198 if (policy.mApplicationRestrictionsManagingPackage != null) { 2199 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2200 policy.mApplicationRestrictionsManagingPackage); 2201 } 2202 2203 final int N = policy.mAdminList.size(); 2204 for (int i=0; i<N; i++) { 2205 ActiveAdmin ap = policy.mAdminList.get(i); 2206 if (ap != null) { 2207 out.startTag(null, "admin"); 2208 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2209 ap.writeToXml(out); 2210 out.endTag(null, "admin"); 2211 } 2212 } 2213 2214 if (policy.mPasswordOwner >= 0) { 2215 out.startTag(null, "password-owner"); 2216 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2217 out.endTag(null, "password-owner"); 2218 } 2219 2220 if (policy.mFailedPasswordAttempts != 0) { 2221 out.startTag(null, "failed-password-attempts"); 2222 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2223 out.endTag(null, "failed-password-attempts"); 2224 } 2225 2226 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 2227 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 2228 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 2229 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 2230 out.startTag(null, "active-password"); 2231 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 2232 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 2233 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 2234 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 2235 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 2236 out.attribute(null, "numeric", Integer 2237 .toString(policy.mActivePasswordNumeric)); 2238 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 2239 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 2240 out.endTag(null, "active-password"); 2241 } 2242 2243 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2244 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2245 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2246 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2247 } 2248 2249 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2250 String component = policy.mLockTaskPackages.get(i); 2251 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2252 out.attribute(null, "name", component); 2253 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2254 } 2255 2256 if (policy.mStatusBarDisabled) { 2257 out.startTag(null, TAG_STATUS_BAR); 2258 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2259 out.endTag(null, TAG_STATUS_BAR); 2260 } 2261 2262 if (policy.doNotAskCredentialsOnBoot) { 2263 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2264 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2265 } 2266 2267 for (String id : policy.mAffiliationIds) { 2268 out.startTag(null, TAG_AFFILIATION_ID); 2269 out.attribute(null, "id", id); 2270 out.endTag(null, TAG_AFFILIATION_ID); 2271 } 2272 2273 if (policy.mAdminBroadcastPending) { 2274 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2275 out.attribute(null, ATTR_VALUE, 2276 Boolean.toString(policy.mAdminBroadcastPending)); 2277 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2278 } 2279 2280 if (policy.mInitBundle != null) { 2281 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2282 policy.mInitBundle.saveToXml(out); 2283 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2284 } 2285 2286 out.endTag(null, "policies"); 2287 2288 out.endDocument(); 2289 stream.flush(); 2290 FileUtils.sync(stream); 2291 stream.close(); 2292 journal.commit(); 2293 sendChangedNotification(userHandle); 2294 } catch (XmlPullParserException | IOException e) { 2295 Slog.w(LOG_TAG, "failed writing file", e); 2296 try { 2297 if (stream != null) { 2298 stream.close(); 2299 } 2300 } catch (IOException ex) { 2301 // Ignore 2302 } 2303 journal.rollback(); 2304 } 2305 } 2306 2307 private void sendChangedNotification(int userHandle) { 2308 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2309 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2310 long ident = mInjector.binderClearCallingIdentity(); 2311 try { 2312 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2313 } finally { 2314 mInjector.binderRestoreCallingIdentity(ident); 2315 } 2316 } 2317 2318 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2319 JournaledFile journal = makeJournaledFile(userHandle); 2320 FileInputStream stream = null; 2321 File file = journal.chooseForRead(); 2322 try { 2323 stream = new FileInputStream(file); 2324 XmlPullParser parser = Xml.newPullParser(); 2325 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2326 2327 int type; 2328 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2329 && type != XmlPullParser.START_TAG) { 2330 } 2331 String tag = parser.getName(); 2332 if (!"policies".equals(tag)) { 2333 throw new XmlPullParserException( 2334 "Settings do not start with policies tag: found " + tag); 2335 } 2336 2337 // Extract the permission provider component name if available 2338 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2339 if (permissionProvider != null) { 2340 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2341 } 2342 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2343 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2344 policy.mUserSetupComplete = true; 2345 } 2346 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2347 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2348 if (deviceProvisioningConfigApplied != null 2349 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2350 policy.mDeviceProvisioningConfigApplied = true; 2351 } 2352 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2353 if (!TextUtils.isEmpty(provisioningState)) { 2354 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2355 } 2356 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2357 if (!TextUtils.isEmpty(permissionPolicy)) { 2358 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2359 } 2360 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2361 ATTR_DELEGATED_CERT_INSTALLER); 2362 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2363 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2364 2365 type = parser.next(); 2366 int outerDepth = parser.getDepth(); 2367 policy.mLockTaskPackages.clear(); 2368 policy.mAdminList.clear(); 2369 policy.mAdminMap.clear(); 2370 policy.mAffiliationIds.clear(); 2371 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2372 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2373 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2374 continue; 2375 } 2376 tag = parser.getName(); 2377 if ("admin".equals(tag)) { 2378 String name = parser.getAttributeValue(null, "name"); 2379 try { 2380 DeviceAdminInfo dai = findAdmin( 2381 ComponentName.unflattenFromString(name), userHandle, 2382 /* throwForMissionPermission= */ false); 2383 if (VERBOSE_LOG 2384 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2385 != userHandle)) { 2386 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2387 + dai.getActivityInfo().applicationInfo.uid + " for user " 2388 + userHandle); 2389 } 2390 if (dai != null) { 2391 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2392 ap.readFromXml(parser); 2393 policy.mAdminMap.put(ap.info.getComponent(), ap); 2394 } 2395 } catch (RuntimeException e) { 2396 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2397 } 2398 } else if ("failed-password-attempts".equals(tag)) { 2399 policy.mFailedPasswordAttempts = Integer.parseInt( 2400 parser.getAttributeValue(null, "value")); 2401 } else if ("password-owner".equals(tag)) { 2402 policy.mPasswordOwner = Integer.parseInt( 2403 parser.getAttributeValue(null, "value")); 2404 } else if ("active-password".equals(tag)) { 2405 policy.mActivePasswordQuality = Integer.parseInt( 2406 parser.getAttributeValue(null, "quality")); 2407 policy.mActivePasswordLength = Integer.parseInt( 2408 parser.getAttributeValue(null, "length")); 2409 policy.mActivePasswordUpperCase = Integer.parseInt( 2410 parser.getAttributeValue(null, "uppercase")); 2411 policy.mActivePasswordLowerCase = Integer.parseInt( 2412 parser.getAttributeValue(null, "lowercase")); 2413 policy.mActivePasswordLetters = Integer.parseInt( 2414 parser.getAttributeValue(null, "letters")); 2415 policy.mActivePasswordNumeric = Integer.parseInt( 2416 parser.getAttributeValue(null, "numeric")); 2417 policy.mActivePasswordSymbols = Integer.parseInt( 2418 parser.getAttributeValue(null, "symbols")); 2419 policy.mActivePasswordNonLetter = Integer.parseInt( 2420 parser.getAttributeValue(null, "nonletter")); 2421 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2422 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2423 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2424 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2425 } else if (TAG_STATUS_BAR.equals(tag)) { 2426 policy.mStatusBarDisabled = Boolean.parseBoolean( 2427 parser.getAttributeValue(null, ATTR_DISABLED)); 2428 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2429 policy.doNotAskCredentialsOnBoot = true; 2430 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2431 policy.mAffiliationIds.add(parser.getAttributeValue(null, "id")); 2432 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2433 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2434 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2435 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2436 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2437 } else { 2438 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2439 XmlUtils.skipCurrentTag(parser); 2440 } 2441 } 2442 } catch (FileNotFoundException e) { 2443 // Don't be noisy, this is normal if we haven't defined any policies. 2444 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2445 | IndexOutOfBoundsException e) { 2446 Slog.w(LOG_TAG, "failed parsing " + file, e); 2447 } 2448 try { 2449 if (stream != null) { 2450 stream.close(); 2451 } 2452 } catch (IOException e) { 2453 // Ignore 2454 } 2455 2456 // Generate a list of admins from the admin map 2457 policy.mAdminList.addAll(policy.mAdminMap.values()); 2458 2459 // Validate that what we stored for the password quality matches 2460 // sufficiently what is currently set. Note that this is only 2461 // a sanity check in case the two get out of sync; this should 2462 // never normally happen. 2463 final long identity = mInjector.binderClearCallingIdentity(); 2464 try { 2465 int actualPasswordQuality = mLockPatternUtils.getActivePasswordQuality(userHandle); 2466 if (actualPasswordQuality < policy.mActivePasswordQuality) { 2467 Slog.w(LOG_TAG, "Active password quality 0x" 2468 + Integer.toHexString(policy.mActivePasswordQuality) 2469 + " does not match actual quality 0x" 2470 + Integer.toHexString(actualPasswordQuality)); 2471 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2472 policy.mActivePasswordLength = 0; 2473 policy.mActivePasswordUpperCase = 0; 2474 policy.mActivePasswordLowerCase = 0; 2475 policy.mActivePasswordLetters = 0; 2476 policy.mActivePasswordNumeric = 0; 2477 policy.mActivePasswordSymbols = 0; 2478 policy.mActivePasswordNonLetter = 0; 2479 } 2480 } finally { 2481 mInjector.binderRestoreCallingIdentity(identity); 2482 } 2483 2484 validatePasswordOwnerLocked(policy); 2485 updateMaximumTimeToLockLocked(userHandle); 2486 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2487 if (policy.mStatusBarDisabled) { 2488 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2489 } 2490 } 2491 2492 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2493 long ident = mInjector.binderClearCallingIdentity(); 2494 try { 2495 mInjector.getIActivityManager() 2496 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2497 } catch (RemoteException e) { 2498 // Not gonna happen. 2499 } finally { 2500 mInjector.binderRestoreCallingIdentity(ident); 2501 } 2502 } 2503 2504 private void updateDeviceOwnerLocked() { 2505 long ident = mInjector.binderClearCallingIdentity(); 2506 try { 2507 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2508 // user id and also protect all other DAs too. 2509 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2510 if (deviceOwnerComponent != null) { 2511 mInjector.getIActivityManager() 2512 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2513 } 2514 } catch (RemoteException e) { 2515 // Not gonna happen. 2516 } finally { 2517 mInjector.binderRestoreCallingIdentity(ident); 2518 } 2519 } 2520 2521 static void validateQualityConstant(int quality) { 2522 switch (quality) { 2523 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2524 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2525 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2526 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2527 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2528 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2529 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2530 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2531 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2532 return; 2533 } 2534 throw new IllegalArgumentException("Invalid quality constant: 0x" 2535 + Integer.toHexString(quality)); 2536 } 2537 2538 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2539 if (policy.mPasswordOwner >= 0) { 2540 boolean haveOwner = false; 2541 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2542 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2543 haveOwner = true; 2544 break; 2545 } 2546 } 2547 if (!haveOwner) { 2548 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2549 + " no longer active; disabling"); 2550 policy.mPasswordOwner = -1; 2551 } 2552 } 2553 } 2554 2555 @VisibleForTesting 2556 void systemReady(int phase) { 2557 if (!mHasFeature) { 2558 return; 2559 } 2560 switch (phase) { 2561 case SystemService.PHASE_LOCK_SETTINGS_READY: 2562 onLockSettingsReady(); 2563 break; 2564 case SystemService.PHASE_BOOT_COMPLETED: 2565 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2566 break; 2567 } 2568 } 2569 2570 private void onLockSettingsReady() { 2571 getUserData(UserHandle.USER_SYSTEM); 2572 loadOwners(); 2573 cleanUpOldUsers(); 2574 2575 onStartUser(UserHandle.USER_SYSTEM); 2576 2577 // Register an observer for watching for user setup complete. 2578 new SetupContentObserver(mHandler).register(); 2579 // Initialize the user setup state, to handle the upgrade case. 2580 updateUserSetupComplete(); 2581 2582 List<String> packageList; 2583 synchronized (this) { 2584 packageList = getKeepUninstalledPackagesLocked(); 2585 } 2586 if (packageList != null) { 2587 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2588 } 2589 2590 synchronized (this) { 2591 // push the force-ephemeral-users policy to the user manager. 2592 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2593 if (deviceOwner != null) { 2594 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2595 } 2596 } 2597 } 2598 2599 private void ensureDeviceOwnerUserStarted() { 2600 final int userId; 2601 synchronized (this) { 2602 if (!mOwners.hasDeviceOwner()) { 2603 return; 2604 } 2605 userId = mOwners.getDeviceOwnerUserId(); 2606 } 2607 if (VERBOSE_LOG) { 2608 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2609 } 2610 if (userId != UserHandle.USER_SYSTEM) { 2611 try { 2612 mInjector.getIActivityManager().startUserInBackground(userId); 2613 2614 // STOPSHIP Prevent the DO user from being killed. 2615 2616 } catch (RemoteException e) { 2617 Slog.w(LOG_TAG, "Exception starting user", e); 2618 } 2619 } 2620 } 2621 2622 private void onStartUser(int userId) { 2623 updateScreenCaptureDisabledInWindowManager(userId, 2624 getScreenCaptureDisabled(null, userId)); 2625 pushUserRestrictions(userId); 2626 } 2627 2628 private void cleanUpOldUsers() { 2629 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2630 // before reboot 2631 Set<Integer> usersWithProfileOwners; 2632 Set<Integer> usersWithData; 2633 synchronized(this) { 2634 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2635 usersWithData = new ArraySet<>(); 2636 for (int i = 0; i < mUserData.size(); i++) { 2637 usersWithData.add(mUserData.keyAt(i)); 2638 } 2639 } 2640 List<UserInfo> allUsers = mUserManager.getUsers(); 2641 2642 Set<Integer> deletedUsers = new ArraySet<>(); 2643 deletedUsers.addAll(usersWithProfileOwners); 2644 deletedUsers.addAll(usersWithData); 2645 for (UserInfo userInfo : allUsers) { 2646 deletedUsers.remove(userInfo.id); 2647 } 2648 for (Integer userId : deletedUsers) { 2649 removeUserData(userId); 2650 } 2651 } 2652 2653 private void handlePasswordExpirationNotification(int userHandle) { 2654 synchronized (this) { 2655 final long now = System.currentTimeMillis(); 2656 2657 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2658 userHandle, /* parent */ false); 2659 final int N = admins.size(); 2660 for (int i = 0; i < N; i++) { 2661 ActiveAdmin admin = admins.get(i); 2662 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2663 && admin.passwordExpirationTimeout > 0L 2664 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2665 && admin.passwordExpirationDate > 0L) { 2666 sendAdminCommandLocked(admin, 2667 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2668 } 2669 } 2670 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2671 } 2672 } 2673 2674 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2675 @Override 2676 protected Void doInBackground(Integer... params) { 2677 int userHandle = params[0]; 2678 2679 if (userHandle == UserHandle.USER_ALL) { 2680 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2681 manageNotification(userInfo.getUserHandle()); 2682 } 2683 } else { 2684 manageNotification(UserHandle.of(userHandle)); 2685 } 2686 return null; 2687 } 2688 2689 private void manageNotification(UserHandle userHandle) { 2690 if (!mUserManager.isUserUnlocked(userHandle)) { 2691 return; 2692 } 2693 2694 // Call out to KeyChain to check for CAs which are waiting for approval. 2695 final List<String> pendingCertificates; 2696 try { 2697 pendingCertificates = getInstalledCaCertificates(userHandle); 2698 } catch (RemoteException | RuntimeException e) { 2699 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2700 return; 2701 } 2702 2703 synchronized (DevicePolicyManagerService.this) { 2704 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2705 2706 // Remove deleted certificates. Flush xml if necessary. 2707 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2708 saveSettingsLocked(userHandle.getIdentifier()); 2709 } 2710 // Trim to approved certificates. 2711 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2712 } 2713 2714 if (pendingCertificates.isEmpty()) { 2715 mInjector.getNotificationManager().cancelAsUser( 2716 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2717 return; 2718 } 2719 2720 // Build and show a warning notification 2721 int smallIconId; 2722 String contentText; 2723 int parentUserId = userHandle.getIdentifier(); 2724 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2725 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2726 getProfileOwnerName(userHandle.getIdentifier())); 2727 smallIconId = R.drawable.stat_sys_certificate_info; 2728 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2729 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2730 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2731 getDeviceOwnerName()); 2732 smallIconId = R.drawable.stat_sys_certificate_info; 2733 } else { 2734 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2735 smallIconId = android.R.drawable.stat_sys_warning; 2736 } 2737 2738 final int numberOfCertificates = pendingCertificates.size(); 2739 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2740 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2741 dialogIntent.setPackage("com.android.settings"); 2742 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 2743 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 2744 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2745 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 2746 new UserHandle(parentUserId)); 2747 2748 final Context userContext; 2749 try { 2750 final String packageName = mContext.getPackageName(); 2751 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 2752 } catch (PackageManager.NameNotFoundException e) { 2753 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2754 return; 2755 } 2756 final Notification noti = new Notification.Builder(userContext) 2757 .setSmallIcon(smallIconId) 2758 .setContentTitle(mContext.getResources().getQuantityText( 2759 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 2760 .setContentText(contentText) 2761 .setContentIntent(notifyIntent) 2762 .setPriority(Notification.PRIORITY_HIGH) 2763 .setShowWhen(false) 2764 .setColor(mContext.getColor( 2765 com.android.internal.R.color.system_notification_accent_color)) 2766 .build(); 2767 2768 mInjector.getNotificationManager().notifyAsUser( 2769 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2770 } 2771 2772 private List<String> getInstalledCaCertificates(UserHandle userHandle) 2773 throws RemoteException, RuntimeException { 2774 KeyChainConnection conn = null; 2775 try { 2776 conn = KeyChain.bindAsUser(mContext, userHandle); 2777 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 2778 List<String> result = new ArrayList<>(aliases.size()); 2779 for (int i = 0; i < aliases.size(); i++) { 2780 result.add(aliases.get(i).string); 2781 } 2782 return result; 2783 } catch (InterruptedException e) { 2784 Thread.currentThread().interrupt(); 2785 return null; 2786 } catch (AssertionError e) { 2787 throw new RuntimeException(e); 2788 } finally { 2789 if (conn != null) { 2790 conn.close(); 2791 } 2792 } 2793 } 2794 } 2795 2796 /** 2797 * @param adminReceiver The admin to add 2798 * @param refreshing true = update an active admin, no error 2799 */ 2800 @Override 2801 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2802 if (!mHasFeature) { 2803 return; 2804 } 2805 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2806 } 2807 2808 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2809 Bundle onEnableData) { 2810 mContext.enforceCallingOrSelfPermission( 2811 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2812 enforceFullCrossUsersPermission(userHandle); 2813 2814 DevicePolicyData policy = getUserData(userHandle); 2815 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2816 /* throwForMissionPermission= */ true); 2817 if (info == null) { 2818 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2819 } 2820 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2821 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 2822 + adminReceiver); 2823 } 2824 synchronized (this) { 2825 long ident = mInjector.binderClearCallingIdentity(); 2826 try { 2827 if (!refreshing 2828 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 2829 throw new IllegalArgumentException("Admin is already added"); 2830 } 2831 if (policy.mRemovingAdmins.contains(adminReceiver)) { 2832 throw new IllegalArgumentException( 2833 "Trying to set an admin which is being removed"); 2834 } 2835 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2836 policy.mAdminMap.put(adminReceiver, newAdmin); 2837 int replaceIndex = -1; 2838 final int N = policy.mAdminList.size(); 2839 for (int i=0; i < N; i++) { 2840 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2841 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2842 replaceIndex = i; 2843 break; 2844 } 2845 } 2846 if (replaceIndex == -1) { 2847 policy.mAdminList.add(newAdmin); 2848 enableIfNecessary(info.getPackageName(), userHandle); 2849 } else { 2850 policy.mAdminList.set(replaceIndex, newAdmin); 2851 } 2852 saveSettingsLocked(userHandle); 2853 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2854 onEnableData, null); 2855 } finally { 2856 mInjector.binderRestoreCallingIdentity(ident); 2857 } 2858 } 2859 } 2860 2861 @Override 2862 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2863 if (!mHasFeature) { 2864 return false; 2865 } 2866 enforceFullCrossUsersPermission(userHandle); 2867 synchronized (this) { 2868 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2869 } 2870 } 2871 2872 @Override 2873 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2874 if (!mHasFeature) { 2875 return false; 2876 } 2877 enforceFullCrossUsersPermission(userHandle); 2878 synchronized (this) { 2879 DevicePolicyData policyData = getUserData(userHandle); 2880 return policyData.mRemovingAdmins.contains(adminReceiver); 2881 } 2882 } 2883 2884 @Override 2885 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2886 if (!mHasFeature) { 2887 return false; 2888 } 2889 enforceFullCrossUsersPermission(userHandle); 2890 synchronized (this) { 2891 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2892 if (administrator == null) { 2893 throw new SecurityException("No active admin " + adminReceiver); 2894 } 2895 return administrator.info.usesPolicy(policyId); 2896 } 2897 } 2898 2899 @Override 2900 @SuppressWarnings("unchecked") 2901 public List<ComponentName> getActiveAdmins(int userHandle) { 2902 if (!mHasFeature) { 2903 return Collections.EMPTY_LIST; 2904 } 2905 2906 enforceFullCrossUsersPermission(userHandle); 2907 synchronized (this) { 2908 DevicePolicyData policy = getUserData(userHandle); 2909 final int N = policy.mAdminList.size(); 2910 if (N <= 0) { 2911 return null; 2912 } 2913 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2914 for (int i=0; i<N; i++) { 2915 res.add(policy.mAdminList.get(i).info.getComponent()); 2916 } 2917 return res; 2918 } 2919 } 2920 2921 @Override 2922 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2923 if (!mHasFeature) { 2924 return false; 2925 } 2926 enforceFullCrossUsersPermission(userHandle); 2927 synchronized (this) { 2928 DevicePolicyData policy = getUserData(userHandle); 2929 final int N = policy.mAdminList.size(); 2930 for (int i=0; i<N; i++) { 2931 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2932 return true; 2933 } 2934 } 2935 return false; 2936 } 2937 } 2938 2939 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 2940 if (!mHasFeature) { 2941 return; 2942 } 2943 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 2944 enforceShell("forceRemoveActiveAdmin"); 2945 long ident = mInjector.binderClearCallingIdentity(); 2946 try { 2947 final ApplicationInfo ai; 2948 try { 2949 ai = mIPackageManager.getApplicationInfo(adminReceiver.getPackageName(), 2950 0, userHandle); 2951 } catch (RemoteException e) { 2952 throw new IllegalStateException(e); 2953 } 2954 if (ai == null) { 2955 throw new IllegalStateException("Couldn't find package to remove admin " 2956 + adminReceiver.getPackageName() + " " + userHandle); 2957 } 2958 if ((ai.flags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 2959 throw new SecurityException("Attempt to remove non-test admin " + adminReceiver 2960 + adminReceiver + " " + userHandle); 2961 } 2962 // If admin is a device or profile owner tidy that up first. 2963 synchronized (this) { 2964 if (isDeviceOwner(adminReceiver, userHandle)) { 2965 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 2966 } 2967 if (isProfileOwner(adminReceiver, userHandle)) { 2968 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 2969 userHandle, /* parent */ false); 2970 clearProfileOwnerLocked(admin, userHandle); 2971 } 2972 } 2973 // Remove the admin skipping sending the broadcast. 2974 removeAdminArtifacts(adminReceiver, userHandle); 2975 } finally { 2976 mInjector.binderRestoreCallingIdentity(ident); 2977 } 2978 } 2979 2980 private void enforceShell(String method) { 2981 final int callingUid = Binder.getCallingUid(); 2982 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 2983 throw new SecurityException("Non-shell user attempted to call " + method); 2984 } 2985 } 2986 2987 @Override 2988 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2989 if (!mHasFeature) { 2990 return; 2991 } 2992 enforceFullCrossUsersPermission(userHandle); 2993 enforceUserUnlocked(userHandle); 2994 synchronized (this) { 2995 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2996 if (admin == null) { 2997 return; 2998 } 2999 // Active device/profile owners must remain active admins. 3000 if (isDeviceOwner(adminReceiver, userHandle) 3001 || isProfileOwner(adminReceiver, userHandle)) { 3002 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3003 adminReceiver); 3004 return; 3005 } 3006 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3007 mContext.enforceCallingOrSelfPermission( 3008 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3009 } 3010 long ident = mInjector.binderClearCallingIdentity(); 3011 try { 3012 removeActiveAdminLocked(adminReceiver, userHandle); 3013 } finally { 3014 mInjector.binderRestoreCallingIdentity(ident); 3015 } 3016 } 3017 } 3018 3019 @Override 3020 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3021 ComponentName profileOwner = getProfileOwner(userHandle); 3022 // Profile challenge is supported on N or newer release. 3023 return profileOwner != null && 3024 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3025 } 3026 3027 @Override 3028 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3029 if (!mHasFeature) { 3030 return; 3031 } 3032 Preconditions.checkNotNull(who, "ComponentName is null"); 3033 validateQualityConstant(quality); 3034 3035 synchronized (this) { 3036 ActiveAdmin ap = getActiveAdminForCallerLocked( 3037 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3038 if (ap.passwordQuality != quality) { 3039 ap.passwordQuality = quality; 3040 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3041 } 3042 } 3043 } 3044 3045 @Override 3046 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3047 if (!mHasFeature) { 3048 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3049 } 3050 enforceFullCrossUsersPermission(userHandle); 3051 synchronized (this) { 3052 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3053 3054 if (who != null) { 3055 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3056 return admin != null ? admin.passwordQuality : mode; 3057 } 3058 3059 // Return the strictest policy across all participating admins. 3060 List<ActiveAdmin> admins = 3061 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3062 final int N = admins.size(); 3063 for (int i = 0; i < N; i++) { 3064 ActiveAdmin admin = admins.get(i); 3065 if (mode < admin.passwordQuality) { 3066 mode = admin.passwordQuality; 3067 } 3068 } 3069 return mode; 3070 } 3071 } 3072 3073 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3074 int userHandle, boolean parent) { 3075 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3076 // If this user has a separate challenge, only return its restrictions. 3077 return getUserDataUnchecked(userHandle).mAdminList; 3078 } else { 3079 // Return all admins for this user and the profiles that are visible from this 3080 // user that do not use a separate work challenge. 3081 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3082 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3083 DevicePolicyData policy = getUserData(userInfo.id); 3084 if (!userInfo.isManagedProfile()) { 3085 admins.addAll(policy.mAdminList); 3086 } else { 3087 // For managed profiles, we always include the policies set on the parent 3088 // profile. Additionally, we include the ones set on the managed profile 3089 // if no separate challenge is in place. 3090 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3091 final int N = policy.mAdminList.size(); 3092 for (int i = 0; i < N; i++) { 3093 ActiveAdmin admin = policy.mAdminList.get(i); 3094 if (admin.hasParentActiveAdmin()) { 3095 admins.add(admin.getParentActiveAdmin()); 3096 } 3097 if (!hasSeparateChallenge) { 3098 admins.add(admin); 3099 } 3100 } 3101 } 3102 } 3103 return admins; 3104 } 3105 } 3106 3107 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3108 long ident = mInjector.binderClearCallingIdentity(); 3109 try { 3110 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3111 } finally { 3112 mInjector.binderRestoreCallingIdentity(ident); 3113 } 3114 } 3115 3116 @Override 3117 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3118 if (!mHasFeature) { 3119 return; 3120 } 3121 Preconditions.checkNotNull(who, "ComponentName is null"); 3122 synchronized (this) { 3123 ActiveAdmin ap = getActiveAdminForCallerLocked( 3124 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3125 if (ap.minimumPasswordLength != length) { 3126 ap.minimumPasswordLength = length; 3127 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3128 } 3129 } 3130 } 3131 3132 @Override 3133 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3134 if (!mHasFeature) { 3135 return 0; 3136 } 3137 enforceFullCrossUsersPermission(userHandle); 3138 synchronized (this) { 3139 int length = 0; 3140 3141 if (who != null) { 3142 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3143 return admin != null ? admin.minimumPasswordLength : length; 3144 } 3145 3146 // Return the strictest policy across all participating admins. 3147 List<ActiveAdmin> admins = 3148 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3149 final int N = admins.size(); 3150 for (int i = 0; i < N; i++) { 3151 ActiveAdmin admin = admins.get(i); 3152 if (length < admin.minimumPasswordLength) { 3153 length = admin.minimumPasswordLength; 3154 } 3155 } 3156 return length; 3157 } 3158 } 3159 3160 @Override 3161 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3162 if (!mHasFeature) { 3163 return; 3164 } 3165 Preconditions.checkNotNull(who, "ComponentName is null"); 3166 synchronized (this) { 3167 ActiveAdmin ap = getActiveAdminForCallerLocked( 3168 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3169 if (ap.passwordHistoryLength != length) { 3170 ap.passwordHistoryLength = length; 3171 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3172 } 3173 } 3174 } 3175 3176 @Override 3177 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3178 if (!mHasFeature) { 3179 return 0; 3180 } 3181 enforceFullCrossUsersPermission(userHandle); 3182 synchronized (this) { 3183 int length = 0; 3184 3185 if (who != null) { 3186 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3187 return admin != null ? admin.passwordHistoryLength : length; 3188 } 3189 3190 // Return the strictest policy across all participating admins. 3191 List<ActiveAdmin> admins = 3192 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3193 final int N = admins.size(); 3194 for (int i = 0; i < N; i++) { 3195 ActiveAdmin admin = admins.get(i); 3196 if (length < admin.passwordHistoryLength) { 3197 length = admin.passwordHistoryLength; 3198 } 3199 } 3200 3201 return length; 3202 } 3203 } 3204 3205 @Override 3206 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3207 if (!mHasFeature) { 3208 return; 3209 } 3210 Preconditions.checkNotNull(who, "ComponentName is null"); 3211 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3212 final int userHandle = mInjector.userHandleGetCallingUserId(); 3213 synchronized (this) { 3214 ActiveAdmin ap = getActiveAdminForCallerLocked( 3215 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3216 // Calling this API automatically bumps the expiration date 3217 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3218 ap.passwordExpirationDate = expiration; 3219 ap.passwordExpirationTimeout = timeout; 3220 if (timeout > 0L) { 3221 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3222 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3223 .format(new Date(expiration))); 3224 } 3225 saveSettingsLocked(userHandle); 3226 3227 // in case this is the first one, set the alarm on the appropriate user. 3228 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3229 } 3230 } 3231 3232 /** 3233 * Return a single admin's expiration cycle time, or the min of all cycle times. 3234 * Returns 0 if not configured. 3235 */ 3236 @Override 3237 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3238 if (!mHasFeature) { 3239 return 0L; 3240 } 3241 enforceFullCrossUsersPermission(userHandle); 3242 synchronized (this) { 3243 long timeout = 0L; 3244 3245 if (who != null) { 3246 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3247 return admin != null ? admin.passwordExpirationTimeout : timeout; 3248 } 3249 3250 // Return the strictest policy across all participating admins. 3251 List<ActiveAdmin> admins = 3252 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3253 final int N = admins.size(); 3254 for (int i = 0; i < N; i++) { 3255 ActiveAdmin admin = admins.get(i); 3256 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3257 && timeout > admin.passwordExpirationTimeout)) { 3258 timeout = admin.passwordExpirationTimeout; 3259 } 3260 } 3261 return timeout; 3262 } 3263 } 3264 3265 @Override 3266 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3267 final int userId = UserHandle.getCallingUserId(); 3268 List<String> changedProviders = null; 3269 3270 synchronized (this) { 3271 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3272 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3273 if (activeAdmin.crossProfileWidgetProviders == null) { 3274 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3275 } 3276 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3277 if (!providers.contains(packageName)) { 3278 providers.add(packageName); 3279 changedProviders = new ArrayList<>(providers); 3280 saveSettingsLocked(userId); 3281 } 3282 } 3283 3284 if (changedProviders != null) { 3285 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3286 return true; 3287 } 3288 3289 return false; 3290 } 3291 3292 @Override 3293 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3294 final int userId = UserHandle.getCallingUserId(); 3295 List<String> changedProviders = null; 3296 3297 synchronized (this) { 3298 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3299 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3300 if (activeAdmin.crossProfileWidgetProviders == null) { 3301 return false; 3302 } 3303 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3304 if (providers.remove(packageName)) { 3305 changedProviders = new ArrayList<>(providers); 3306 saveSettingsLocked(userId); 3307 } 3308 } 3309 3310 if (changedProviders != null) { 3311 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3312 return true; 3313 } 3314 3315 return false; 3316 } 3317 3318 @Override 3319 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3320 synchronized (this) { 3321 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3322 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3323 if (activeAdmin.crossProfileWidgetProviders == null 3324 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3325 return null; 3326 } 3327 if (mInjector.binderIsCallingUidMyUid()) { 3328 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3329 } else { 3330 return activeAdmin.crossProfileWidgetProviders; 3331 } 3332 } 3333 } 3334 3335 /** 3336 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3337 * Returns 0 if not configured. 3338 */ 3339 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3340 long timeout = 0L; 3341 3342 if (who != null) { 3343 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3344 return admin != null ? admin.passwordExpirationDate : timeout; 3345 } 3346 3347 // Return the strictest policy across all participating admins. 3348 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3349 final int N = admins.size(); 3350 for (int i = 0; i < N; i++) { 3351 ActiveAdmin admin = admins.get(i); 3352 if (timeout == 0L || (admin.passwordExpirationDate != 0 3353 && timeout > admin.passwordExpirationDate)) { 3354 timeout = admin.passwordExpirationDate; 3355 } 3356 } 3357 return timeout; 3358 } 3359 3360 @Override 3361 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3362 if (!mHasFeature) { 3363 return 0L; 3364 } 3365 enforceFullCrossUsersPermission(userHandle); 3366 synchronized (this) { 3367 return getPasswordExpirationLocked(who, userHandle, parent); 3368 } 3369 } 3370 3371 @Override 3372 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3373 if (!mHasFeature) { 3374 return; 3375 } 3376 Preconditions.checkNotNull(who, "ComponentName is null"); 3377 synchronized (this) { 3378 ActiveAdmin ap = getActiveAdminForCallerLocked( 3379 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3380 if (ap.minimumPasswordUpperCase != length) { 3381 ap.minimumPasswordUpperCase = length; 3382 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3383 } 3384 } 3385 } 3386 3387 @Override 3388 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3389 if (!mHasFeature) { 3390 return 0; 3391 } 3392 enforceFullCrossUsersPermission(userHandle); 3393 synchronized (this) { 3394 int length = 0; 3395 3396 if (who != null) { 3397 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3398 return admin != null ? admin.minimumPasswordUpperCase : length; 3399 } 3400 3401 // Return the strictest policy across all participating admins. 3402 List<ActiveAdmin> admins = 3403 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3404 final int N = admins.size(); 3405 for (int i = 0; i < N; i++) { 3406 ActiveAdmin admin = admins.get(i); 3407 if (length < admin.minimumPasswordUpperCase) { 3408 length = admin.minimumPasswordUpperCase; 3409 } 3410 } 3411 return length; 3412 } 3413 } 3414 3415 @Override 3416 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3417 Preconditions.checkNotNull(who, "ComponentName is null"); 3418 synchronized (this) { 3419 ActiveAdmin ap = getActiveAdminForCallerLocked( 3420 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3421 if (ap.minimumPasswordLowerCase != length) { 3422 ap.minimumPasswordLowerCase = length; 3423 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3424 } 3425 } 3426 } 3427 3428 @Override 3429 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3430 if (!mHasFeature) { 3431 return 0; 3432 } 3433 enforceFullCrossUsersPermission(userHandle); 3434 synchronized (this) { 3435 int length = 0; 3436 3437 if (who != null) { 3438 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3439 return admin != null ? admin.minimumPasswordLowerCase : length; 3440 } 3441 3442 // Return the strictest policy across all participating admins. 3443 List<ActiveAdmin> admins = 3444 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3445 final int N = admins.size(); 3446 for (int i = 0; i < N; i++) { 3447 ActiveAdmin admin = admins.get(i); 3448 if (length < admin.minimumPasswordLowerCase) { 3449 length = admin.minimumPasswordLowerCase; 3450 } 3451 } 3452 return length; 3453 } 3454 } 3455 3456 @Override 3457 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3458 if (!mHasFeature) { 3459 return; 3460 } 3461 Preconditions.checkNotNull(who, "ComponentName is null"); 3462 synchronized (this) { 3463 ActiveAdmin ap = getActiveAdminForCallerLocked( 3464 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3465 if (ap.minimumPasswordLetters != length) { 3466 ap.minimumPasswordLetters = length; 3467 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3468 } 3469 } 3470 } 3471 3472 @Override 3473 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3474 if (!mHasFeature) { 3475 return 0; 3476 } 3477 enforceFullCrossUsersPermission(userHandle); 3478 synchronized (this) { 3479 int length = 0; 3480 3481 if (who != null) { 3482 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3483 return admin != null ? admin.minimumPasswordLetters : length; 3484 } 3485 3486 // Return the strictest policy across all participating admins. 3487 List<ActiveAdmin> admins = 3488 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3489 final int N = admins.size(); 3490 for (int i = 0; i < N; i++) { 3491 ActiveAdmin admin = admins.get(i); 3492 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3493 continue; 3494 } 3495 if (length < admin.minimumPasswordLetters) { 3496 length = admin.minimumPasswordLetters; 3497 } 3498 } 3499 return length; 3500 } 3501 } 3502 3503 @Override 3504 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3505 if (!mHasFeature) { 3506 return; 3507 } 3508 Preconditions.checkNotNull(who, "ComponentName is null"); 3509 synchronized (this) { 3510 ActiveAdmin ap = getActiveAdminForCallerLocked( 3511 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3512 if (ap.minimumPasswordNumeric != length) { 3513 ap.minimumPasswordNumeric = length; 3514 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3515 } 3516 } 3517 } 3518 3519 @Override 3520 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3521 if (!mHasFeature) { 3522 return 0; 3523 } 3524 enforceFullCrossUsersPermission(userHandle); 3525 synchronized (this) { 3526 int length = 0; 3527 3528 if (who != null) { 3529 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3530 return admin != null ? admin.minimumPasswordNumeric : length; 3531 } 3532 3533 // Return the strictest policy across all participating admins. 3534 List<ActiveAdmin> admins = 3535 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3536 final int N = admins.size(); 3537 for (int i = 0; i < N; i++) { 3538 ActiveAdmin admin = admins.get(i); 3539 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3540 continue; 3541 } 3542 if (length < admin.minimumPasswordNumeric) { 3543 length = admin.minimumPasswordNumeric; 3544 } 3545 } 3546 return length; 3547 } 3548 } 3549 3550 @Override 3551 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3552 if (!mHasFeature) { 3553 return; 3554 } 3555 Preconditions.checkNotNull(who, "ComponentName is null"); 3556 synchronized (this) { 3557 ActiveAdmin ap = getActiveAdminForCallerLocked( 3558 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3559 if (ap.minimumPasswordSymbols != length) { 3560 ap.minimumPasswordSymbols = length; 3561 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3562 } 3563 } 3564 } 3565 3566 @Override 3567 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3568 if (!mHasFeature) { 3569 return 0; 3570 } 3571 enforceFullCrossUsersPermission(userHandle); 3572 synchronized (this) { 3573 int length = 0; 3574 3575 if (who != null) { 3576 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3577 return admin != null ? admin.minimumPasswordSymbols : length; 3578 } 3579 3580 // Return the strictest policy across all participating admins. 3581 List<ActiveAdmin> admins = 3582 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3583 final int N = admins.size(); 3584 for (int i = 0; i < N; i++) { 3585 ActiveAdmin admin = admins.get(i); 3586 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3587 continue; 3588 } 3589 if (length < admin.minimumPasswordSymbols) { 3590 length = admin.minimumPasswordSymbols; 3591 } 3592 } 3593 return length; 3594 } 3595 } 3596 3597 @Override 3598 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3599 if (!mHasFeature) { 3600 return; 3601 } 3602 Preconditions.checkNotNull(who, "ComponentName is null"); 3603 synchronized (this) { 3604 ActiveAdmin ap = getActiveAdminForCallerLocked( 3605 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3606 if (ap.minimumPasswordNonLetter != length) { 3607 ap.minimumPasswordNonLetter = length; 3608 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3609 } 3610 } 3611 } 3612 3613 @Override 3614 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3615 if (!mHasFeature) { 3616 return 0; 3617 } 3618 enforceFullCrossUsersPermission(userHandle); 3619 synchronized (this) { 3620 int length = 0; 3621 3622 if (who != null) { 3623 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3624 return admin != null ? admin.minimumPasswordNonLetter : length; 3625 } 3626 3627 // Return the strictest policy across all participating admins. 3628 List<ActiveAdmin> admins = 3629 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3630 final int N = admins.size(); 3631 for (int i = 0; i < N; i++) { 3632 ActiveAdmin admin = admins.get(i); 3633 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3634 continue; 3635 } 3636 if (length < admin.minimumPasswordNonLetter) { 3637 length = admin.minimumPasswordNonLetter; 3638 } 3639 } 3640 return length; 3641 } 3642 } 3643 3644 @Override 3645 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3646 if (!mHasFeature) { 3647 return true; 3648 } 3649 enforceFullCrossUsersPermission(userHandle); 3650 3651 synchronized (this) { 3652 // This API can only be called by an active device admin, 3653 // so try to retrieve it to check that the caller is one. 3654 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3655 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3656 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3657 } 3658 } 3659 3660 @Override 3661 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3662 if (!mHasFeature) { 3663 return true; 3664 } 3665 enforceFullCrossUsersPermission(userHandle); 3666 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3667 3668 synchronized (this) { 3669 int targetUser = getProfileParentId(userHandle); 3670 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3671 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3672 } 3673 } 3674 3675 private boolean isActivePasswordSufficientForUserLocked( 3676 DevicePolicyData policy, int userHandle, boolean parent) { 3677 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 3678 if (policy.mActivePasswordQuality < requiredPasswordQuality) { 3679 return false; 3680 } 3681 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 3682 && policy.mActivePasswordLength < getPasswordMinimumLength( 3683 null, userHandle, parent)) { 3684 return false; 3685 } 3686 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3687 return true; 3688 } 3689 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase( 3690 null, userHandle, parent) 3691 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase( 3692 null, userHandle, parent) 3693 && policy.mActivePasswordLetters >= getPasswordMinimumLetters( 3694 null, userHandle, parent) 3695 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric( 3696 null, userHandle, parent) 3697 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols( 3698 null, userHandle, parent) 3699 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter( 3700 null, userHandle, parent); 3701 } 3702 3703 @Override 3704 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3705 enforceFullCrossUsersPermission(userHandle); 3706 synchronized (this) { 3707 if (!isCallerWithSystemUid()) { 3708 // This API can only be called by an active device admin, 3709 // so try to retrieve it to check that the caller is one. 3710 getActiveAdminForCallerLocked( 3711 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3712 } 3713 3714 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3715 3716 return policy.mFailedPasswordAttempts; 3717 } 3718 } 3719 3720 @Override 3721 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3722 if (!mHasFeature) { 3723 return; 3724 } 3725 Preconditions.checkNotNull(who, "ComponentName is null"); 3726 synchronized (this) { 3727 // This API can only be called by an active device admin, 3728 // so try to retrieve it to check that the caller is one. 3729 getActiveAdminForCallerLocked( 3730 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3731 ActiveAdmin ap = getActiveAdminForCallerLocked( 3732 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3733 if (ap.maximumFailedPasswordsForWipe != num) { 3734 ap.maximumFailedPasswordsForWipe = num; 3735 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3736 } 3737 } 3738 } 3739 3740 @Override 3741 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3742 if (!mHasFeature) { 3743 return 0; 3744 } 3745 enforceFullCrossUsersPermission(userHandle); 3746 synchronized (this) { 3747 ActiveAdmin admin = (who != null) 3748 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3749 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3750 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3751 } 3752 } 3753 3754 @Override 3755 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3756 if (!mHasFeature) { 3757 return UserHandle.USER_NULL; 3758 } 3759 enforceFullCrossUsersPermission(userHandle); 3760 synchronized (this) { 3761 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3762 userHandle, parent); 3763 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3764 } 3765 } 3766 3767 /** 3768 * Returns the admin with the strictest policy on maximum failed passwords for: 3769 * <ul> 3770 * <li>this user if it has a separate profile challenge, or 3771 * <li>this user and all profiles that don't have their own challenge otherwise. 3772 * </ul> 3773 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3774 * the primary profile. 3775 * Returns {@code null} if no participating admin has that policy set. 3776 */ 3777 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3778 int userHandle, boolean parent) { 3779 int count = 0; 3780 ActiveAdmin strictestAdmin = null; 3781 3782 // Return the strictest policy across all participating admins. 3783 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3784 final int N = admins.size(); 3785 for (int i = 0; i < N; i++) { 3786 ActiveAdmin admin = admins.get(i); 3787 if (admin.maximumFailedPasswordsForWipe == 3788 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3789 continue; // No max number of failed passwords policy set for this profile. 3790 } 3791 3792 // We always favor the primary profile if several profiles have the same value set. 3793 int userId = admin.getUserHandle().getIdentifier(); 3794 if (count == 0 || 3795 count > admin.maximumFailedPasswordsForWipe || 3796 (count == admin.maximumFailedPasswordsForWipe && 3797 getUserInfo(userId).isPrimary())) { 3798 count = admin.maximumFailedPasswordsForWipe; 3799 strictestAdmin = admin; 3800 } 3801 } 3802 return strictestAdmin; 3803 } 3804 3805 private UserInfo getUserInfo(@UserIdInt int userId) { 3806 final long token = mInjector.binderClearCallingIdentity(); 3807 try { 3808 return mUserManager.getUserInfo(userId); 3809 } finally { 3810 mInjector.binderRestoreCallingIdentity(token); 3811 } 3812 } 3813 3814 @Override 3815 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3816 if (!mHasFeature) { 3817 return false; 3818 } 3819 final int callingUid = mInjector.binderGetCallingUid(); 3820 final int userHandle = mInjector.userHandleGetCallingUserId(); 3821 3822 String password = passwordOrNull != null ? passwordOrNull : ""; 3823 3824 // Password resetting to empty/null is not allowed for managed profiles. 3825 if (TextUtils.isEmpty(password)) { 3826 enforceNotManagedProfile(userHandle, "clear the active password"); 3827 } 3828 3829 int quality; 3830 synchronized (this) { 3831 // If caller has PO (or DO) it can change the password, so see if that's the case first. 3832 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 3833 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 3834 final boolean preN; 3835 if (admin != null) { 3836 preN = getTargetSdk(admin.info.getPackageName(), 3837 userHandle) <= android.os.Build.VERSION_CODES.M; 3838 } else { 3839 // Otherwise, make sure the caller has any active admin with the right policy. 3840 admin = getActiveAdminForCallerLocked(null, 3841 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 3842 preN = getTargetSdk(admin.info.getPackageName(), 3843 userHandle) <= android.os.Build.VERSION_CODES.M; 3844 3845 // As of N, password resetting to empty/null is not allowed anymore. 3846 // TODO Should we allow DO/PO to set an empty password? 3847 if (TextUtils.isEmpty(password)) { 3848 if (!preN) { 3849 throw new SecurityException("Cannot call with null password"); 3850 } else { 3851 Slog.e(LOG_TAG, "Cannot call with null password"); 3852 return false; 3853 } 3854 } 3855 // As of N, password cannot be changed by the admin if it is already set. 3856 if (isLockScreenSecureUnchecked(userHandle)) { 3857 if (!preN) { 3858 throw new SecurityException("Admin cannot change current password"); 3859 } else { 3860 Slog.e(LOG_TAG, "Admin cannot change current password"); 3861 return false; 3862 } 3863 } 3864 } 3865 // Do not allow to reset password when current user has a managed profile 3866 if (!isManagedProfile(userHandle)) { 3867 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3868 if (userInfo.isManagedProfile()) { 3869 if (!preN) { 3870 throw new IllegalStateException( 3871 "Cannot reset password on user has managed profile"); 3872 } else { 3873 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 3874 return false; 3875 } 3876 } 3877 } 3878 } 3879 // Do not allow to reset password when user is locked 3880 if (!mUserManager.isUserUnlocked(userHandle)) { 3881 if (!preN) { 3882 throw new IllegalStateException("Cannot reset password when user is locked"); 3883 } else { 3884 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 3885 return false; 3886 } 3887 } 3888 3889 quality = getPasswordQuality(null, userHandle, /* parent */ false); 3890 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 3891 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3892 } 3893 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 3894 int realQuality = LockPatternUtils.computePasswordQuality(password); 3895 if (realQuality < quality 3896 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3897 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 3898 + Integer.toHexString(realQuality) 3899 + " does not meet required quality 0x" 3900 + Integer.toHexString(quality)); 3901 return false; 3902 } 3903 quality = Math.max(realQuality, quality); 3904 } 3905 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 3906 if (password.length() < length) { 3907 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 3908 + " does not meet required length " + length); 3909 return false; 3910 } 3911 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3912 int letters = 0; 3913 int uppercase = 0; 3914 int lowercase = 0; 3915 int numbers = 0; 3916 int symbols = 0; 3917 int nonletter = 0; 3918 for (int i = 0; i < password.length(); i++) { 3919 char c = password.charAt(i); 3920 if (c >= 'A' && c <= 'Z') { 3921 letters++; 3922 uppercase++; 3923 } else if (c >= 'a' && c <= 'z') { 3924 letters++; 3925 lowercase++; 3926 } else if (c >= '0' && c <= '9') { 3927 numbers++; 3928 nonletter++; 3929 } else { 3930 symbols++; 3931 nonletter++; 3932 } 3933 } 3934 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 3935 if(letters < neededLetters) { 3936 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 3937 + " does not meet required number of letters " + neededLetters); 3938 return false; 3939 } 3940 int neededNumbers = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 3941 if (numbers < neededNumbers) { 3942 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 3943 + " does not meet required number of numerical digits " 3944 + neededNumbers); 3945 return false; 3946 } 3947 int neededLowerCase = getPasswordMinimumLowerCase( 3948 null, userHandle, /* parent */ false); 3949 if (lowercase < neededLowerCase) { 3950 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 3951 + " does not meet required number of lowercase letters " 3952 + neededLowerCase); 3953 return false; 3954 } 3955 int neededUpperCase = getPasswordMinimumUpperCase( 3956 null, userHandle, /* parent */ false); 3957 if (uppercase < neededUpperCase) { 3958 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 3959 + " does not meet required number of uppercase letters " 3960 + neededUpperCase); 3961 return false; 3962 } 3963 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 3964 if (symbols < neededSymbols) { 3965 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 3966 + " does not meet required number of special symbols " + neededSymbols); 3967 return false; 3968 } 3969 int neededNonLetter = getPasswordMinimumNonLetter( 3970 null, userHandle, /* parent */ false); 3971 if (nonletter < neededNonLetter) { 3972 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 3973 + " does not meet required number of non-letter characters " 3974 + neededNonLetter); 3975 return false; 3976 } 3977 } 3978 } 3979 3980 DevicePolicyData policy = getUserData(userHandle); 3981 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 3982 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 3983 return false; 3984 } 3985 3986 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 3987 boolean doNotAskCredentialsOnBoot = 3988 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 3989 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 3990 setDoNotAskCredentialsOnBoot(); 3991 } 3992 3993 // Don't do this with the lock held, because it is going to call 3994 // back in to the service. 3995 final long ident = mInjector.binderClearCallingIdentity(); 3996 try { 3997 if (!TextUtils.isEmpty(password)) { 3998 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 3999 } else { 4000 mLockPatternUtils.clearLock(userHandle); 4001 } 4002 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4003 if (requireEntry) { 4004 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4005 UserHandle.USER_ALL); 4006 } 4007 synchronized (this) { 4008 int newOwner = requireEntry ? callingUid : -1; 4009 if (policy.mPasswordOwner != newOwner) { 4010 policy.mPasswordOwner = newOwner; 4011 saveSettingsLocked(userHandle); 4012 } 4013 } 4014 } finally { 4015 mInjector.binderRestoreCallingIdentity(ident); 4016 } 4017 4018 return true; 4019 } 4020 4021 private boolean isLockScreenSecureUnchecked(int userId) { 4022 long ident = mInjector.binderClearCallingIdentity(); 4023 try { 4024 return mLockPatternUtils.isSecure(userId); 4025 } finally { 4026 mInjector.binderRestoreCallingIdentity(ident); 4027 } 4028 } 4029 4030 private void setDoNotAskCredentialsOnBoot() { 4031 synchronized (this) { 4032 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4033 if (!policyData.doNotAskCredentialsOnBoot) { 4034 policyData.doNotAskCredentialsOnBoot = true; 4035 saveSettingsLocked(UserHandle.USER_SYSTEM); 4036 } 4037 } 4038 } 4039 4040 @Override 4041 public boolean getDoNotAskCredentialsOnBoot() { 4042 mContext.enforceCallingOrSelfPermission( 4043 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4044 synchronized (this) { 4045 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4046 return policyData.doNotAskCredentialsOnBoot; 4047 } 4048 } 4049 4050 @Override 4051 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4052 if (!mHasFeature) { 4053 return; 4054 } 4055 Preconditions.checkNotNull(who, "ComponentName is null"); 4056 final int userHandle = mInjector.userHandleGetCallingUserId(); 4057 synchronized (this) { 4058 ActiveAdmin ap = getActiveAdminForCallerLocked( 4059 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4060 if (ap.maximumTimeToUnlock != timeMs) { 4061 ap.maximumTimeToUnlock = timeMs; 4062 saveSettingsLocked(userHandle); 4063 updateMaximumTimeToLockLocked(userHandle); 4064 } 4065 } 4066 } 4067 4068 void updateMaximumTimeToLockLocked(int userHandle) { 4069 // Calculate the min timeout for all profiles - including the ones with a separate 4070 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4071 // challenge only and keep the screen on. However there is no easy way of doing that at the 4072 // moment so we set the screen off timeout regardless of whether it affects the parent user 4073 // or the profile challenge only. 4074 long timeMs = Long.MAX_VALUE; 4075 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4076 for (int profileId : profileIds) { 4077 DevicePolicyData policy = getUserDataUnchecked(profileId); 4078 final int N = policy.mAdminList.size(); 4079 for (int i = 0; i < N; i++) { 4080 ActiveAdmin admin = policy.mAdminList.get(i); 4081 if (admin.maximumTimeToUnlock > 0 4082 && timeMs > admin.maximumTimeToUnlock) { 4083 timeMs = admin.maximumTimeToUnlock; 4084 } 4085 // If userInfo.id is a managed profile, we also need to look at 4086 // the policies set on the parent. 4087 if (admin.hasParentActiveAdmin()) { 4088 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4089 if (parentAdmin.maximumTimeToUnlock > 0 4090 && timeMs > parentAdmin.maximumTimeToUnlock) { 4091 timeMs = parentAdmin.maximumTimeToUnlock; 4092 } 4093 } 4094 } 4095 } 4096 4097 // We only store the last maximum time to lock on the parent profile. So if calling from a 4098 // managed profile, retrieve the policy for the parent. 4099 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4100 if (policy.mLastMaximumTimeToLock == timeMs) { 4101 return; 4102 } 4103 policy.mLastMaximumTimeToLock = timeMs; 4104 4105 final long ident = mInjector.binderClearCallingIdentity(); 4106 try { 4107 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4108 // Make sure KEEP_SCREEN_ON is disabled, since that 4109 // would allow bypassing of the maximum time to lock. 4110 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4111 } 4112 4113 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4114 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4115 } finally { 4116 mInjector.binderRestoreCallingIdentity(ident); 4117 } 4118 } 4119 4120 @Override 4121 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4122 if (!mHasFeature) { 4123 return 0; 4124 } 4125 enforceFullCrossUsersPermission(userHandle); 4126 synchronized (this) { 4127 if (who != null) { 4128 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4129 return admin != null ? admin.maximumTimeToUnlock : 0; 4130 } 4131 // Return the strictest policy across all participating admins. 4132 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4133 userHandle, parent); 4134 return getMaximumTimeToLockPolicyFromAdmins(admins); 4135 } 4136 } 4137 4138 @Override 4139 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4140 if (!mHasFeature) { 4141 return 0; 4142 } 4143 enforceFullCrossUsersPermission(userHandle); 4144 synchronized (this) { 4145 // All admins for this user. 4146 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4147 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4148 DevicePolicyData policy = getUserData(userInfo.id); 4149 admins.addAll(policy.mAdminList); 4150 // If it is a managed profile, it may have parent active admins 4151 if (userInfo.isManagedProfile()) { 4152 for (ActiveAdmin admin : policy.mAdminList) { 4153 if (admin.hasParentActiveAdmin()) { 4154 admins.add(admin.getParentActiveAdmin()); 4155 } 4156 } 4157 } 4158 } 4159 return getMaximumTimeToLockPolicyFromAdmins(admins); 4160 } 4161 } 4162 4163 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4164 long time = 0; 4165 final int N = admins.size(); 4166 for (int i = 0; i < N; i++) { 4167 ActiveAdmin admin = admins.get(i); 4168 if (time == 0) { 4169 time = admin.maximumTimeToUnlock; 4170 } else if (admin.maximumTimeToUnlock != 0 4171 && time > admin.maximumTimeToUnlock) { 4172 time = admin.maximumTimeToUnlock; 4173 } 4174 } 4175 return time; 4176 } 4177 4178 @Override 4179 public void lockNow(boolean parent) { 4180 if (!mHasFeature) { 4181 return; 4182 } 4183 synchronized (this) { 4184 // This API can only be called by an active device admin, 4185 // so try to retrieve it to check that the caller is one. 4186 getActiveAdminForCallerLocked( 4187 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4188 4189 int userToLock = mInjector.userHandleGetCallingUserId(); 4190 4191 // Unless this is a managed profile with work challenge enabled, lock all users. 4192 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 4193 userToLock = UserHandle.USER_ALL; 4194 } 4195 final long ident = mInjector.binderClearCallingIdentity(); 4196 try { 4197 mLockPatternUtils.requireStrongAuth( 4198 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4199 if (userToLock == UserHandle.USER_ALL) { 4200 // Power off the display 4201 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4202 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4203 mInjector.getIWindowManager().lockNow(null); 4204 } 4205 } catch (RemoteException e) { 4206 } finally { 4207 mInjector.binderRestoreCallingIdentity(ident); 4208 } 4209 } 4210 } 4211 4212 @Override 4213 public void enforceCanManageCaCerts(ComponentName who) { 4214 if (who == null) { 4215 if (!isCallerDelegatedCertInstaller()) { 4216 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4217 } 4218 } else { 4219 synchronized (this) { 4220 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4221 } 4222 } 4223 } 4224 4225 private void enforceCanManageInstalledKeys(ComponentName who) { 4226 if (who == null) { 4227 if (!isCallerDelegatedCertInstaller()) { 4228 throw new SecurityException("who == null, but caller is not cert installer"); 4229 } 4230 } else { 4231 synchronized (this) { 4232 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4233 } 4234 } 4235 } 4236 4237 private boolean isCallerDelegatedCertInstaller() { 4238 final int callingUid = mInjector.binderGetCallingUid(); 4239 final int userHandle = UserHandle.getUserId(callingUid); 4240 synchronized (this) { 4241 final DevicePolicyData policy = getUserData(userHandle); 4242 if (policy.mDelegatedCertInstallerPackage == null) { 4243 return false; 4244 } 4245 4246 try { 4247 int uid = mContext.getPackageManager().getPackageUidAsUser( 4248 policy.mDelegatedCertInstallerPackage, userHandle); 4249 return uid == callingUid; 4250 } catch (NameNotFoundException e) { 4251 return false; 4252 } 4253 } 4254 } 4255 4256 @Override 4257 public boolean approveCaCert(String alias, int userId, boolean approval) { 4258 enforceManageUsers(); 4259 synchronized (this) { 4260 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4261 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4262 if (!changed) { 4263 return false; 4264 } 4265 saveSettingsLocked(userId); 4266 } 4267 new MonitoringCertNotificationTask().execute(userId); 4268 return true; 4269 } 4270 4271 @Override 4272 public boolean isCaCertApproved(String alias, int userId) { 4273 enforceManageUsers(); 4274 synchronized (this) { 4275 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4276 } 4277 } 4278 4279 private void removeCaApprovalsIfNeeded(int userId) { 4280 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4281 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4282 if (userInfo.isManagedProfile()){ 4283 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4284 } 4285 if (!isSecure) { 4286 synchronized (this) { 4287 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4288 saveSettingsLocked(userInfo.id); 4289 } 4290 4291 new MonitoringCertNotificationTask().execute(userInfo.id); 4292 } 4293 } 4294 } 4295 4296 @Override 4297 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4298 enforceCanManageCaCerts(admin); 4299 4300 byte[] pemCert; 4301 try { 4302 X509Certificate cert = parseCert(certBuffer); 4303 pemCert = Credentials.convertToPem(cert); 4304 } catch (CertificateException ce) { 4305 Log.e(LOG_TAG, "Problem converting cert", ce); 4306 return false; 4307 } catch (IOException ioe) { 4308 Log.e(LOG_TAG, "Problem reading cert", ioe); 4309 return false; 4310 } 4311 4312 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4313 final long id = mInjector.binderClearCallingIdentity(); 4314 try { 4315 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4316 try { 4317 keyChainConnection.getService().installCaCertificate(pemCert); 4318 return true; 4319 } catch (RemoteException e) { 4320 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4321 } finally { 4322 keyChainConnection.close(); 4323 } 4324 } catch (InterruptedException e1) { 4325 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4326 Thread.currentThread().interrupt(); 4327 } finally { 4328 mInjector.binderRestoreCallingIdentity(id); 4329 } 4330 return false; 4331 } 4332 4333 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4334 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4335 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4336 certBuffer)); 4337 } 4338 4339 @Override 4340 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4341 enforceCanManageCaCerts(admin); 4342 4343 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4344 final long id = mInjector.binderClearCallingIdentity(); 4345 try { 4346 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4347 try { 4348 for (int i = 0 ; i < aliases.length; i++) { 4349 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4350 } 4351 } catch (RemoteException e) { 4352 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4353 } finally { 4354 keyChainConnection.close(); 4355 } 4356 } catch (InterruptedException ie) { 4357 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4358 Thread.currentThread().interrupt(); 4359 } finally { 4360 mInjector.binderRestoreCallingIdentity(id); 4361 } 4362 } 4363 4364 @Override 4365 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, 4366 String alias, boolean requestAccess) { 4367 enforceCanManageInstalledKeys(who); 4368 4369 final int callingUid = mInjector.binderGetCallingUid(); 4370 final long id = mInjector.binderClearCallingIdentity(); 4371 try { 4372 final KeyChainConnection keyChainConnection = 4373 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4374 try { 4375 IKeyChainService keyChain = keyChainConnection.getService(); 4376 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4377 return false; 4378 } 4379 if (requestAccess) { 4380 keyChain.setGrant(callingUid, alias, true); 4381 } 4382 return true; 4383 } catch (RemoteException e) { 4384 Log.e(LOG_TAG, "Installing certificate", e); 4385 } finally { 4386 keyChainConnection.close(); 4387 } 4388 } catch (InterruptedException e) { 4389 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4390 Thread.currentThread().interrupt(); 4391 } finally { 4392 mInjector.binderRestoreCallingIdentity(id); 4393 } 4394 return false; 4395 } 4396 4397 @Override 4398 public boolean removeKeyPair(ComponentName who, String alias) { 4399 enforceCanManageInstalledKeys(who); 4400 4401 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4402 final long id = Binder.clearCallingIdentity(); 4403 try { 4404 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4405 try { 4406 IKeyChainService keyChain = keyChainConnection.getService(); 4407 return keyChain.removeKeyPair(alias); 4408 } catch (RemoteException e) { 4409 Log.e(LOG_TAG, "Removing keypair", e); 4410 } finally { 4411 keyChainConnection.close(); 4412 } 4413 } catch (InterruptedException e) { 4414 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4415 Thread.currentThread().interrupt(); 4416 } finally { 4417 Binder.restoreCallingIdentity(id); 4418 } 4419 return false; 4420 } 4421 4422 @Override 4423 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4424 final IBinder response) { 4425 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4426 if (!isCallerWithSystemUid()) { 4427 return; 4428 } 4429 4430 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4431 // If there is a profile owner, redirect to that; otherwise query the device owner. 4432 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4433 if (aliasChooser == null && caller.isSystem()) { 4434 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4435 if (deviceOwnerAdmin != null) { 4436 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4437 } 4438 } 4439 if (aliasChooser == null) { 4440 sendPrivateKeyAliasResponse(null, response); 4441 return; 4442 } 4443 4444 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4445 intent.setComponent(aliasChooser); 4446 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4447 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4448 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4449 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4450 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4451 4452 final long id = mInjector.binderClearCallingIdentity(); 4453 try { 4454 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4455 @Override 4456 public void onReceive(Context context, Intent intent) { 4457 final String chosenAlias = getResultData(); 4458 sendPrivateKeyAliasResponse(chosenAlias, response); 4459 } 4460 }, null, Activity.RESULT_OK, null, null); 4461 } finally { 4462 mInjector.binderRestoreCallingIdentity(id); 4463 } 4464 } 4465 4466 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4467 final IKeyChainAliasCallback keyChainAliasResponse = 4468 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4469 new AsyncTask<Void, Void, Void>() { 4470 @Override 4471 protected Void doInBackground(Void... unused) { 4472 try { 4473 keyChainAliasResponse.alias(alias); 4474 } catch (Exception e) { 4475 // Catch everything (not just RemoteException): caller could throw a 4476 // RuntimeException back across processes. 4477 Log.e(LOG_TAG, "error while responding to callback", e); 4478 } 4479 return null; 4480 } 4481 }.execute(); 4482 } 4483 4484 @Override 4485 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4486 throws SecurityException { 4487 int userHandle = UserHandle.getCallingUserId(); 4488 synchronized (this) { 4489 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4490 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4491 if (installerPackage != null && 4492 !isPackageInstalledForUser(installerPackage, userHandle)) { 4493 throw new IllegalArgumentException("Package " + installerPackage 4494 + " is not installed on the current user"); 4495 } 4496 } 4497 DevicePolicyData policy = getUserData(userHandle); 4498 policy.mDelegatedCertInstallerPackage = installerPackage; 4499 saveSettingsLocked(userHandle); 4500 } 4501 } 4502 4503 @Override 4504 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4505 int userHandle = UserHandle.getCallingUserId(); 4506 synchronized (this) { 4507 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4508 DevicePolicyData policy = getUserData(userHandle); 4509 return policy.mDelegatedCertInstallerPackage; 4510 } 4511 } 4512 4513 /** 4514 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 4515 * not installed and therefore not available. 4516 * 4517 * @throws SecurityException if the caller is not a profile or device owner. 4518 * @throws UnsupportedException if the package does not support being set as always-on. 4519 */ 4520 @Override 4521 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 4522 throws SecurityException { 4523 synchronized (this) { 4524 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4525 } 4526 4527 final int userId = mInjector.userHandleGetCallingUserId(); 4528 final long token = mInjector.binderClearCallingIdentity(); 4529 try { 4530 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 4531 return false; 4532 } 4533 ConnectivityManager connectivityManager = (ConnectivityManager) 4534 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4535 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 4536 throw new UnsupportedOperationException(); 4537 } 4538 } finally { 4539 mInjector.binderRestoreCallingIdentity(token); 4540 } 4541 return true; 4542 } 4543 4544 @Override 4545 public String getAlwaysOnVpnPackage(ComponentName admin) 4546 throws SecurityException { 4547 synchronized (this) { 4548 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4549 } 4550 4551 final int userId = mInjector.userHandleGetCallingUserId(); 4552 final long token = mInjector.binderClearCallingIdentity(); 4553 try{ 4554 ConnectivityManager connectivityManager = (ConnectivityManager) 4555 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4556 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4557 } finally { 4558 mInjector.binderRestoreCallingIdentity(token); 4559 } 4560 } 4561 4562 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 4563 if (wipeExtRequested) { 4564 StorageManager sm = (StorageManager) mContext.getSystemService( 4565 Context.STORAGE_SERVICE); 4566 sm.wipeAdoptableDisks(); 4567 } 4568 try { 4569 RecoverySystem.rebootWipeUserData(mContext, reason); 4570 } catch (IOException | SecurityException e) { 4571 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4572 } 4573 } 4574 4575 @Override 4576 public void wipeData(int flags) { 4577 if (!mHasFeature) { 4578 return; 4579 } 4580 final int userHandle = mInjector.userHandleGetCallingUserId(); 4581 enforceFullCrossUsersPermission(userHandle); 4582 synchronized (this) { 4583 // This API can only be called by an active device admin, 4584 // so try to retrieve it to check that the caller is one. 4585 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4586 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4587 4588 final String source = admin.info.getComponent().flattenToShortString(); 4589 4590 long ident = mInjector.binderClearCallingIdentity(); 4591 try { 4592 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4593 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4594 throw new SecurityException( 4595 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4596 } 4597 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4598 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4599 if (manager != null) { 4600 manager.wipe(); 4601 } 4602 } 4603 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4604 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4605 "DevicePolicyManager.wipeData() from " + source); 4606 } finally { 4607 mInjector.binderRestoreCallingIdentity(ident); 4608 } 4609 } 4610 } 4611 4612 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 4613 if (userHandle == UserHandle.USER_SYSTEM) { 4614 wipeDataLocked(wipeExtRequested, reason); 4615 } else { 4616 mHandler.post(new Runnable() { 4617 @Override 4618 public void run() { 4619 try { 4620 IActivityManager am = mInjector.getIActivityManager(); 4621 if (am.getCurrentUser().id == userHandle) { 4622 am.switchUser(UserHandle.USER_SYSTEM); 4623 } 4624 4625 boolean isManagedProfile = isManagedProfile(userHandle); 4626 if (!mUserManager.removeUser(userHandle)) { 4627 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4628 } else if (isManagedProfile) { 4629 sendWipeProfileNotification(); 4630 } 4631 } catch (RemoteException re) { 4632 // Shouldn't happen 4633 } 4634 } 4635 }); 4636 } 4637 } 4638 4639 private void sendWipeProfileNotification() { 4640 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4641 Notification notification = new Notification.Builder(mContext) 4642 .setSmallIcon(android.R.drawable.stat_sys_warning) 4643 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4644 .setContentText(contentText) 4645 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4646 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4647 .build(); 4648 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4649 } 4650 4651 private void clearWipeProfileNotification() { 4652 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4653 } 4654 4655 @Override 4656 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4657 if (!mHasFeature) { 4658 return; 4659 } 4660 enforceFullCrossUsersPermission(userHandle); 4661 mContext.enforceCallingOrSelfPermission( 4662 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4663 4664 synchronized (this) { 4665 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4666 if (admin == null) { 4667 result.sendResult(null); 4668 return; 4669 } 4670 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4671 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4672 intent.setComponent(admin.info.getComponent()); 4673 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4674 null, new BroadcastReceiver() { 4675 @Override 4676 public void onReceive(Context context, Intent intent) { 4677 result.sendResult(getResultExtras(false)); 4678 } 4679 }, null, Activity.RESULT_OK, null, null); 4680 } 4681 } 4682 4683 @Override 4684 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4685 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4686 if (!mHasFeature) { 4687 return; 4688 } 4689 enforceFullCrossUsersPermission(userHandle); 4690 4691 // Managed Profile password can only be changed when it has a separate challenge. 4692 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4693 enforceNotManagedProfile(userHandle, "set the active password"); 4694 } 4695 4696 mContext.enforceCallingOrSelfPermission( 4697 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4698 validateQualityConstant(quality); 4699 4700 DevicePolicyData policy = getUserData(userHandle); 4701 4702 long ident = mInjector.binderClearCallingIdentity(); 4703 try { 4704 synchronized (this) { 4705 policy.mActivePasswordQuality = quality; 4706 policy.mActivePasswordLength = length; 4707 policy.mActivePasswordLetters = letters; 4708 policy.mActivePasswordLowerCase = lowercase; 4709 policy.mActivePasswordUpperCase = uppercase; 4710 policy.mActivePasswordNumeric = numbers; 4711 policy.mActivePasswordSymbols = symbols; 4712 policy.mActivePasswordNonLetter = nonletter; 4713 policy.mFailedPasswordAttempts = 0; 4714 saveSettingsLocked(userHandle); 4715 updatePasswordExpirationsLocked(userHandle); 4716 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 4717 4718 // Send a broadcast to each profile using this password as its primary unlock. 4719 sendAdminCommandForLockscreenPoliciesLocked( 4720 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4721 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4722 } 4723 removeCaApprovalsIfNeeded(userHandle); 4724 } finally { 4725 mInjector.binderRestoreCallingIdentity(ident); 4726 } 4727 } 4728 4729 /** 4730 * Called any time the device password is updated. Resets all password expiration clocks. 4731 */ 4732 private void updatePasswordExpirationsLocked(int userHandle) { 4733 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4734 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4735 userHandle, /* parent */ false); 4736 final int N = admins.size(); 4737 for (int i = 0; i < N; i++) { 4738 ActiveAdmin admin = admins.get(i); 4739 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4740 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4741 long timeout = admin.passwordExpirationTimeout; 4742 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4743 admin.passwordExpirationDate = expiration; 4744 } 4745 } 4746 for (int affectedUserId : affectedUserIds) { 4747 saveSettingsLocked(affectedUserId); 4748 } 4749 } 4750 4751 @Override 4752 public void reportFailedPasswordAttempt(int userHandle) { 4753 enforceFullCrossUsersPermission(userHandle); 4754 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4755 enforceNotManagedProfile(userHandle, 4756 "report failed password attempt if separate profile challenge is not in place"); 4757 } 4758 mContext.enforceCallingOrSelfPermission( 4759 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4760 4761 final long ident = mInjector.binderClearCallingIdentity(); 4762 try { 4763 boolean wipeData = false; 4764 int identifier = 0; 4765 synchronized (this) { 4766 DevicePolicyData policy = getUserData(userHandle); 4767 policy.mFailedPasswordAttempts++; 4768 saveSettingsLocked(userHandle); 4769 if (mHasFeature) { 4770 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4771 userHandle, /* parent */ false); 4772 int max = strictestAdmin != null 4773 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4774 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4775 // Wipe the user/profile associated with the policy that was violated. This 4776 // is not necessarily calling user: if the policy that fired was from a 4777 // managed profile rather than the main user profile, we wipe former only. 4778 wipeData = true; 4779 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4780 } 4781 4782 sendAdminCommandForLockscreenPoliciesLocked( 4783 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4784 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4785 } 4786 } 4787 if (wipeData) { 4788 // Call without holding lock. 4789 wipeDeviceOrUserLocked(false, identifier, 4790 "reportFailedPasswordAttempt()"); 4791 } 4792 } finally { 4793 mInjector.binderRestoreCallingIdentity(ident); 4794 } 4795 4796 if (mInjector.securityLogIsLoggingEnabled()) { 4797 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4798 /*method strength*/ 1); 4799 } 4800 } 4801 4802 @Override 4803 public void reportSuccessfulPasswordAttempt(int userHandle) { 4804 enforceFullCrossUsersPermission(userHandle); 4805 mContext.enforceCallingOrSelfPermission( 4806 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4807 4808 synchronized (this) { 4809 DevicePolicyData policy = getUserData(userHandle); 4810 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4811 long ident = mInjector.binderClearCallingIdentity(); 4812 try { 4813 policy.mFailedPasswordAttempts = 0; 4814 policy.mPasswordOwner = -1; 4815 saveSettingsLocked(userHandle); 4816 if (mHasFeature) { 4817 sendAdminCommandForLockscreenPoliciesLocked( 4818 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4819 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4820 } 4821 } finally { 4822 mInjector.binderRestoreCallingIdentity(ident); 4823 } 4824 } 4825 } 4826 4827 if (mInjector.securityLogIsLoggingEnabled()) { 4828 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4829 /*method strength*/ 1); 4830 } 4831 } 4832 4833 @Override 4834 public void reportFailedFingerprintAttempt(int userHandle) { 4835 enforceFullCrossUsersPermission(userHandle); 4836 mContext.enforceCallingOrSelfPermission( 4837 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4838 if (mInjector.securityLogIsLoggingEnabled()) { 4839 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4840 /*method strength*/ 0); 4841 } 4842 } 4843 4844 @Override 4845 public void reportSuccessfulFingerprintAttempt(int userHandle) { 4846 enforceFullCrossUsersPermission(userHandle); 4847 mContext.enforceCallingOrSelfPermission( 4848 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4849 if (mInjector.securityLogIsLoggingEnabled()) { 4850 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4851 /*method strength*/ 0); 4852 } 4853 } 4854 4855 @Override 4856 public void reportKeyguardDismissed(int userHandle) { 4857 enforceFullCrossUsersPermission(userHandle); 4858 mContext.enforceCallingOrSelfPermission( 4859 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4860 4861 if (mInjector.securityLogIsLoggingEnabled()) { 4862 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 4863 } 4864 } 4865 4866 @Override 4867 public void reportKeyguardSecured(int userHandle) { 4868 enforceFullCrossUsersPermission(userHandle); 4869 mContext.enforceCallingOrSelfPermission( 4870 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4871 4872 if (mInjector.securityLogIsLoggingEnabled()) { 4873 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 4874 } 4875 } 4876 4877 @Override 4878 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 4879 String exclusionList) { 4880 if (!mHasFeature) { 4881 return null; 4882 } 4883 synchronized(this) { 4884 Preconditions.checkNotNull(who, "ComponentName is null"); 4885 4886 // Only check if system user has set global proxy. We don't allow other users to set it. 4887 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4888 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4889 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 4890 4891 // Scan through active admins and find if anyone has already 4892 // set the global proxy. 4893 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 4894 for (ComponentName component : compSet) { 4895 ActiveAdmin ap = policy.mAdminMap.get(component); 4896 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 4897 // Another admin already sets the global proxy 4898 // Return it to the caller. 4899 return component; 4900 } 4901 } 4902 4903 // If the user is not system, don't set the global proxy. Fail silently. 4904 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 4905 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 4906 + UserHandle.getCallingUserId() + " is not permitted."); 4907 return null; 4908 } 4909 if (proxySpec == null) { 4910 admin.specifiesGlobalProxy = false; 4911 admin.globalProxySpec = null; 4912 admin.globalProxyExclusionList = null; 4913 } else { 4914 4915 admin.specifiesGlobalProxy = true; 4916 admin.globalProxySpec = proxySpec; 4917 admin.globalProxyExclusionList = exclusionList; 4918 } 4919 4920 // Reset the global proxy accordingly 4921 // Do this using system permissions, as apps cannot write to secure settings 4922 long origId = mInjector.binderClearCallingIdentity(); 4923 try { 4924 resetGlobalProxyLocked(policy); 4925 } finally { 4926 mInjector.binderRestoreCallingIdentity(origId); 4927 } 4928 return null; 4929 } 4930 } 4931 4932 @Override 4933 public ComponentName getGlobalProxyAdmin(int userHandle) { 4934 if (!mHasFeature) { 4935 return null; 4936 } 4937 enforceFullCrossUsersPermission(userHandle); 4938 synchronized(this) { 4939 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4940 // Scan through active admins and find if anyone has already 4941 // set the global proxy. 4942 final int N = policy.mAdminList.size(); 4943 for (int i = 0; i < N; i++) { 4944 ActiveAdmin ap = policy.mAdminList.get(i); 4945 if (ap.specifiesGlobalProxy) { 4946 // Device admin sets the global proxy 4947 // Return it to the caller. 4948 return ap.info.getComponent(); 4949 } 4950 } 4951 } 4952 // No device admin sets the global proxy. 4953 return null; 4954 } 4955 4956 @Override 4957 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 4958 synchronized (this) { 4959 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4960 } 4961 long token = mInjector.binderClearCallingIdentity(); 4962 try { 4963 ConnectivityManager connectivityManager = (ConnectivityManager) 4964 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4965 connectivityManager.setGlobalProxy(proxyInfo); 4966 } finally { 4967 mInjector.binderRestoreCallingIdentity(token); 4968 } 4969 } 4970 4971 private void resetGlobalProxyLocked(DevicePolicyData policy) { 4972 final int N = policy.mAdminList.size(); 4973 for (int i = 0; i < N; i++) { 4974 ActiveAdmin ap = policy.mAdminList.get(i); 4975 if (ap.specifiesGlobalProxy) { 4976 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 4977 return; 4978 } 4979 } 4980 // No device admins defining global proxies - reset global proxy settings to none 4981 saveGlobalProxyLocked(null, null); 4982 } 4983 4984 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 4985 if (exclusionList == null) { 4986 exclusionList = ""; 4987 } 4988 if (proxySpec == null) { 4989 proxySpec = ""; 4990 } 4991 // Remove white spaces 4992 proxySpec = proxySpec.trim(); 4993 String data[] = proxySpec.split(":"); 4994 int proxyPort = 8080; 4995 if (data.length > 1) { 4996 try { 4997 proxyPort = Integer.parseInt(data[1]); 4998 } catch (NumberFormatException e) {} 4999 } 5000 exclusionList = exclusionList.trim(); 5001 5002 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5003 if (!proxyProperties.isValid()) { 5004 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5005 return; 5006 } 5007 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5008 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5009 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5010 exclusionList); 5011 } 5012 5013 /** 5014 * Set the storage encryption request for a single admin. Returns the new total request 5015 * status (for all admins). 5016 */ 5017 @Override 5018 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5019 if (!mHasFeature) { 5020 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5021 } 5022 Preconditions.checkNotNull(who, "ComponentName is null"); 5023 final int userHandle = UserHandle.getCallingUserId(); 5024 synchronized (this) { 5025 // Check for permissions 5026 // Only system user can set storage encryption 5027 if (userHandle != UserHandle.USER_SYSTEM) { 5028 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5029 + UserHandle.getCallingUserId() + " is not permitted."); 5030 return 0; 5031 } 5032 5033 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5034 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5035 5036 // Quick exit: If the filesystem does not support encryption, we can exit early. 5037 if (!isEncryptionSupported()) { 5038 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5039 } 5040 5041 // (1) Record the value for the admin so it's sticky 5042 if (ap.encryptionRequested != encrypt) { 5043 ap.encryptionRequested = encrypt; 5044 saveSettingsLocked(userHandle); 5045 } 5046 5047 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5048 // (2) Compute "max" for all admins 5049 boolean newRequested = false; 5050 final int N = policy.mAdminList.size(); 5051 for (int i = 0; i < N; i++) { 5052 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5053 } 5054 5055 // Notify OS of new request 5056 setEncryptionRequested(newRequested); 5057 5058 // Return the new global request status 5059 return newRequested 5060 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5061 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5062 } 5063 } 5064 5065 /** 5066 * Get the current storage encryption request status for a given admin, or aggregate of all 5067 * active admins. 5068 */ 5069 @Override 5070 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5071 if (!mHasFeature) { 5072 return false; 5073 } 5074 enforceFullCrossUsersPermission(userHandle); 5075 synchronized (this) { 5076 // Check for permissions if a particular caller is specified 5077 if (who != null) { 5078 // When checking for a single caller, status is based on caller's request 5079 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5080 return ap != null ? ap.encryptionRequested : false; 5081 } 5082 5083 // If no particular caller is specified, return the aggregate set of requests. 5084 // This is short circuited by returning true on the first hit. 5085 DevicePolicyData policy = getUserData(userHandle); 5086 final int N = policy.mAdminList.size(); 5087 for (int i = 0; i < N; i++) { 5088 if (policy.mAdminList.get(i).encryptionRequested) { 5089 return true; 5090 } 5091 } 5092 return false; 5093 } 5094 } 5095 5096 /** 5097 * Get the current encryption status of the device. 5098 */ 5099 @Override 5100 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5101 if (!mHasFeature) { 5102 // Ok to return current status. 5103 } 5104 enforceFullCrossUsersPermission(userHandle); 5105 5106 // It's not critical here, but let's make sure the package name is correct, in case 5107 // we start using it for different purposes. 5108 ensureCallerPackage(callerPackage); 5109 5110 final ApplicationInfo ai; 5111 try { 5112 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5113 } catch (RemoteException e) { 5114 throw new SecurityException(e); 5115 } 5116 5117 boolean legacyApp = false; 5118 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5119 legacyApp = true; 5120 } 5121 5122 final int rawStatus = getEncryptionStatus(); 5123 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5124 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5125 } 5126 return rawStatus; 5127 } 5128 5129 /** 5130 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5131 */ 5132 private boolean isEncryptionSupported() { 5133 // Note, this can be implemented as 5134 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5135 // But is provided as a separate internal method if there's a faster way to do a 5136 // simple check for supported-or-not. 5137 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5138 } 5139 5140 /** 5141 * Hook to low-levels: Reporting the current status of encryption. 5142 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5143 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5144 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5145 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5146 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5147 */ 5148 private int getEncryptionStatus() { 5149 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5150 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5151 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5152 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5153 } else if (mInjector.storageManagerIsEncrypted()) { 5154 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5155 } else if (mInjector.storageManagerIsEncryptable()) { 5156 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5157 } else { 5158 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5159 } 5160 } 5161 5162 /** 5163 * Hook to low-levels: If needed, record the new admin setting for encryption. 5164 */ 5165 private void setEncryptionRequested(boolean encrypt) { 5166 } 5167 5168 /** 5169 * Set whether the screen capture is disabled for the user managed by the specified admin. 5170 */ 5171 @Override 5172 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5173 if (!mHasFeature) { 5174 return; 5175 } 5176 Preconditions.checkNotNull(who, "ComponentName is null"); 5177 final int userHandle = UserHandle.getCallingUserId(); 5178 synchronized (this) { 5179 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5180 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5181 if (ap.disableScreenCapture != disabled) { 5182 ap.disableScreenCapture = disabled; 5183 saveSettingsLocked(userHandle); 5184 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5185 } 5186 } 5187 } 5188 5189 /** 5190 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5191 * active admin (if given admin is null). 5192 */ 5193 @Override 5194 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5195 if (!mHasFeature) { 5196 return false; 5197 } 5198 synchronized (this) { 5199 if (who != null) { 5200 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5201 return (admin != null) ? admin.disableScreenCapture : false; 5202 } 5203 5204 DevicePolicyData policy = getUserData(userHandle); 5205 final int N = policy.mAdminList.size(); 5206 for (int i = 0; i < N; i++) { 5207 ActiveAdmin admin = policy.mAdminList.get(i); 5208 if (admin.disableScreenCapture) { 5209 return true; 5210 } 5211 } 5212 return false; 5213 } 5214 } 5215 5216 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5217 final boolean disabled) { 5218 mHandler.post(new Runnable() { 5219 @Override 5220 public void run() { 5221 try { 5222 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5223 } catch (RemoteException e) { 5224 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5225 } 5226 } 5227 }); 5228 } 5229 5230 /** 5231 * Set whether auto time is required by the specified admin (must be device owner). 5232 */ 5233 @Override 5234 public void setAutoTimeRequired(ComponentName who, boolean required) { 5235 if (!mHasFeature) { 5236 return; 5237 } 5238 Preconditions.checkNotNull(who, "ComponentName is null"); 5239 final int userHandle = UserHandle.getCallingUserId(); 5240 synchronized (this) { 5241 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5242 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5243 if (admin.requireAutoTime != required) { 5244 admin.requireAutoTime = required; 5245 saveSettingsLocked(userHandle); 5246 } 5247 } 5248 5249 // Turn AUTO_TIME on in settings if it is required 5250 if (required) { 5251 long ident = mInjector.binderClearCallingIdentity(); 5252 try { 5253 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5254 } finally { 5255 mInjector.binderRestoreCallingIdentity(ident); 5256 } 5257 } 5258 } 5259 5260 /** 5261 * Returns whether or not auto time is required by the device owner. 5262 */ 5263 @Override 5264 public boolean getAutoTimeRequired() { 5265 if (!mHasFeature) { 5266 return false; 5267 } 5268 synchronized (this) { 5269 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5270 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5271 } 5272 } 5273 5274 @Override 5275 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5276 if (!mHasFeature) { 5277 return; 5278 } 5279 Preconditions.checkNotNull(who, "ComponentName is null"); 5280 // Allow setting this policy to true only if there is a split system user. 5281 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5282 throw new UnsupportedOperationException( 5283 "Cannot force ephemeral users on systems without split system user."); 5284 } 5285 boolean removeAllUsers = false; 5286 synchronized (this) { 5287 final ActiveAdmin deviceOwner = 5288 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5289 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5290 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5291 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5292 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5293 removeAllUsers = forceEphemeralUsers; 5294 } 5295 } 5296 if (removeAllUsers) { 5297 long identitity = mInjector.binderClearCallingIdentity(); 5298 try { 5299 mUserManagerInternal.removeAllUsers(); 5300 } finally { 5301 mInjector.binderRestoreCallingIdentity(identitity); 5302 } 5303 } 5304 } 5305 5306 @Override 5307 public boolean getForceEphemeralUsers(ComponentName who) { 5308 if (!mHasFeature) { 5309 return false; 5310 } 5311 Preconditions.checkNotNull(who, "ComponentName is null"); 5312 synchronized (this) { 5313 final ActiveAdmin deviceOwner = 5314 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5315 return deviceOwner.forceEphemeralUsers; 5316 } 5317 } 5318 5319 private boolean isDeviceOwnerManagedSingleUserDevice() { 5320 synchronized (this) { 5321 if (!mOwners.hasDeviceOwner()) { 5322 return false; 5323 } 5324 } 5325 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5326 try { 5327 if (mInjector.userManagerIsSplitSystemUser()) { 5328 // In split system user mode, only allow the case where the device owner is managing 5329 // the only non-system user of the device 5330 return (mUserManager.getUserCount() == 2 5331 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5332 } else { 5333 return mUserManager.getUserCount() == 1; 5334 } 5335 } finally { 5336 mInjector.binderRestoreCallingIdentity(callingIdentity); 5337 } 5338 } 5339 5340 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5341 synchronized (this) { 5342 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5343 } 5344 if (!isDeviceOwnerManagedSingleUserDevice()) { 5345 throw new SecurityException( 5346 "There should only be one user, managed by Device Owner"); 5347 } 5348 } 5349 5350 @Override 5351 public boolean requestBugreport(ComponentName who) { 5352 if (!mHasFeature) { 5353 return false; 5354 } 5355 Preconditions.checkNotNull(who, "ComponentName is null"); 5356 ensureDeviceOwnerManagingSingleUser(who); 5357 5358 if (mRemoteBugreportServiceIsActive.get() 5359 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5360 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5361 return false; 5362 } 5363 5364 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5365 try { 5366 ActivityManagerNative.getDefault().requestBugReport( 5367 ActivityManager.BUGREPORT_OPTION_REMOTE); 5368 5369 mRemoteBugreportServiceIsActive.set(true); 5370 mRemoteBugreportSharingAccepted.set(false); 5371 registerRemoteBugreportReceivers(); 5372 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5373 RemoteBugreportUtils.buildNotification(mContext, 5374 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5375 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5376 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5377 return true; 5378 } catch (RemoteException re) { 5379 // should never happen 5380 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5381 return false; 5382 } finally { 5383 mInjector.binderRestoreCallingIdentity(callingIdentity); 5384 } 5385 } 5386 5387 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5388 Intent intent = new Intent(action); 5389 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5390 if (extras != null) { 5391 intent.putExtras(extras); 5392 } 5393 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5394 } 5395 5396 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5397 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5398 } 5399 5400 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5401 String bugreportHash) { 5402 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5403 } 5404 5405 private void registerRemoteBugreportReceivers() { 5406 try { 5407 IntentFilter filterFinished = new IntentFilter( 5408 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5409 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5410 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5411 } catch (IntentFilter.MalformedMimeTypeException e) { 5412 // should never happen, as setting a constant 5413 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5414 } 5415 IntentFilter filterConsent = new IntentFilter(); 5416 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5417 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5418 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5419 } 5420 5421 private void onBugreportFinished(Intent intent) { 5422 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5423 mRemoteBugreportServiceIsActive.set(false); 5424 Uri bugreportUri = intent.getData(); 5425 String bugreportUriString = null; 5426 if (bugreportUri != null) { 5427 bugreportUriString = bugreportUri.toString(); 5428 } 5429 String bugreportHash = intent.getStringExtra( 5430 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5431 if (mRemoteBugreportSharingAccepted.get()) { 5432 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5433 mInjector.getNotificationManager().cancel(LOG_TAG, 5434 RemoteBugreportUtils.NOTIFICATION_ID); 5435 } else { 5436 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5437 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5438 RemoteBugreportUtils.buildNotification(mContext, 5439 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5440 UserHandle.ALL); 5441 } 5442 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5443 } 5444 5445 private void onBugreportFailed() { 5446 mRemoteBugreportServiceIsActive.set(false); 5447 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5448 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5449 mRemoteBugreportSharingAccepted.set(false); 5450 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5451 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5452 Bundle extras = new Bundle(); 5453 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5454 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5455 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5456 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5457 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5458 } 5459 5460 private void onBugreportSharingAccepted() { 5461 mRemoteBugreportSharingAccepted.set(true); 5462 String bugreportUriString = null; 5463 String bugreportHash = null; 5464 synchronized (this) { 5465 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5466 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5467 } 5468 if (bugreportUriString != null) { 5469 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5470 } else if (mRemoteBugreportServiceIsActive.get()) { 5471 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5472 RemoteBugreportUtils.buildNotification(mContext, 5473 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5474 UserHandle.ALL); 5475 } 5476 } 5477 5478 private void onBugreportSharingDeclined() { 5479 if (mRemoteBugreportServiceIsActive.get()) { 5480 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5481 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5482 mRemoteBugreportServiceIsActive.set(false); 5483 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5484 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5485 } 5486 mRemoteBugreportSharingAccepted.set(false); 5487 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5488 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5489 } 5490 5491 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5492 String bugreportHash) { 5493 ParcelFileDescriptor pfd = null; 5494 try { 5495 if (bugreportUriString == null) { 5496 throw new FileNotFoundException(); 5497 } 5498 Uri bugreportUri = Uri.parse(bugreportUriString); 5499 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5500 5501 synchronized (this) { 5502 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5503 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5504 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5505 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5506 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5507 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5508 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5509 } 5510 } catch (FileNotFoundException e) { 5511 Bundle extras = new Bundle(); 5512 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5513 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5514 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5515 } finally { 5516 try { 5517 if (pfd != null) { 5518 pfd.close(); 5519 } 5520 } catch (IOException ex) { 5521 // Ignore 5522 } 5523 mRemoteBugreportSharingAccepted.set(false); 5524 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5525 } 5526 } 5527 5528 /** 5529 * Disables all device cameras according to the specified admin. 5530 */ 5531 @Override 5532 public void setCameraDisabled(ComponentName who, boolean disabled) { 5533 if (!mHasFeature) { 5534 return; 5535 } 5536 Preconditions.checkNotNull(who, "ComponentName is null"); 5537 final int userHandle = mInjector.userHandleGetCallingUserId(); 5538 synchronized (this) { 5539 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5540 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5541 if (ap.disableCamera != disabled) { 5542 ap.disableCamera = disabled; 5543 saveSettingsLocked(userHandle); 5544 } 5545 } 5546 // Tell the user manager that the restrictions have changed. 5547 pushUserRestrictions(userHandle); 5548 } 5549 5550 /** 5551 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5552 * active admins. 5553 */ 5554 @Override 5555 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5556 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5557 } 5558 5559 private boolean getCameraDisabled(ComponentName who, int userHandle, 5560 boolean mergeDeviceOwnerRestriction) { 5561 if (!mHasFeature) { 5562 return false; 5563 } 5564 synchronized (this) { 5565 if (who != null) { 5566 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5567 return (admin != null) ? admin.disableCamera : false; 5568 } 5569 // First, see if DO has set it. If so, it's device-wide. 5570 if (mergeDeviceOwnerRestriction) { 5571 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5572 if (deviceOwner != null && deviceOwner.disableCamera) { 5573 return true; 5574 } 5575 } 5576 5577 // Then check each device admin on the user. 5578 DevicePolicyData policy = getUserData(userHandle); 5579 // Determine whether or not the device camera is disabled for any active admins. 5580 final int N = policy.mAdminList.size(); 5581 for (int i = 0; i < N; i++) { 5582 ActiveAdmin admin = policy.mAdminList.get(i); 5583 if (admin.disableCamera) { 5584 return true; 5585 } 5586 } 5587 return false; 5588 } 5589 } 5590 5591 @Override 5592 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5593 if (!mHasFeature) { 5594 return; 5595 } 5596 Preconditions.checkNotNull(who, "ComponentName is null"); 5597 final int userHandle = mInjector.userHandleGetCallingUserId(); 5598 if (isManagedProfile(userHandle)) { 5599 if (parent) { 5600 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5601 } else { 5602 which = which & PROFILE_KEYGUARD_FEATURES; 5603 } 5604 } 5605 synchronized (this) { 5606 ActiveAdmin ap = getActiveAdminForCallerLocked( 5607 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5608 if (ap.disabledKeyguardFeatures != which) { 5609 ap.disabledKeyguardFeatures = which; 5610 saveSettingsLocked(userHandle); 5611 } 5612 } 5613 } 5614 5615 /** 5616 * Gets the disabled state for features in keyguard for the given admin, 5617 * or the aggregate of all active admins if who is null. 5618 */ 5619 @Override 5620 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5621 if (!mHasFeature) { 5622 return 0; 5623 } 5624 enforceFullCrossUsersPermission(userHandle); 5625 final long ident = mInjector.binderClearCallingIdentity(); 5626 try { 5627 synchronized (this) { 5628 if (who != null) { 5629 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5630 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5631 } 5632 5633 final List<ActiveAdmin> admins; 5634 if (!parent && isManagedProfile(userHandle)) { 5635 // If we are being asked about a managed profile, just return keyguard features 5636 // disabled by admins in the profile. 5637 admins = getUserDataUnchecked(userHandle).mAdminList; 5638 } else { 5639 // Otherwise return those set by admins in the user and its profiles. 5640 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5641 } 5642 5643 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5644 final int N = admins.size(); 5645 for (int i = 0; i < N; i++) { 5646 ActiveAdmin admin = admins.get(i); 5647 int userId = admin.getUserHandle().getIdentifier(); 5648 boolean isRequestedUser = !parent && (userId == userHandle); 5649 if (isRequestedUser || !isManagedProfile(userId)) { 5650 // If we are being asked explicitly about this user 5651 // return all disabled features even if its a managed profile. 5652 which |= admin.disabledKeyguardFeatures; 5653 } else { 5654 // Otherwise a managed profile is only allowed to disable 5655 // some features on the parent user. 5656 which |= (admin.disabledKeyguardFeatures 5657 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5658 } 5659 } 5660 return which; 5661 } 5662 } finally { 5663 mInjector.binderRestoreCallingIdentity(ident); 5664 } 5665 } 5666 5667 @Override 5668 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5669 if (!mHasFeature) { 5670 return; 5671 } 5672 Preconditions.checkNotNull(who, "ComponentName is null"); 5673 Preconditions.checkNotNull(packageList, "packageList is null"); 5674 final int userHandle = UserHandle.getCallingUserId(); 5675 synchronized (this) { 5676 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5677 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5678 admin.keepUninstalledPackages = packageList; 5679 saveSettingsLocked(userHandle); 5680 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5681 } 5682 } 5683 5684 @Override 5685 public List<String> getKeepUninstalledPackages(ComponentName who) { 5686 Preconditions.checkNotNull(who, "ComponentName is null"); 5687 if (!mHasFeature) { 5688 return null; 5689 } 5690 // TODO In split system user mode, allow apps on user 0 to query the list 5691 synchronized (this) { 5692 // Check if this is the device owner who is calling 5693 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5694 return getKeepUninstalledPackagesLocked(); 5695 } 5696 } 5697 5698 private List<String> getKeepUninstalledPackagesLocked() { 5699 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5700 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5701 } 5702 5703 @Override 5704 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5705 if (!mHasFeature) { 5706 return false; 5707 } 5708 if (admin == null 5709 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5710 throw new IllegalArgumentException("Invalid component " + admin 5711 + " for device owner"); 5712 } 5713 synchronized (this) { 5714 enforceCanSetDeviceOwnerLocked(userId); 5715 if (getActiveAdminUncheckedLocked(admin, userId) == null 5716 || getUserData(userId).mRemovingAdmins.contains(admin)) { 5717 throw new IllegalArgumentException("Not active admin: " + admin); 5718 } 5719 5720 // Shutting down backup manager service permanently. 5721 long ident = mInjector.binderClearCallingIdentity(); 5722 try { 5723 if (mInjector.getIBackupManager() != null) { 5724 mInjector.getIBackupManager() 5725 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5726 } 5727 } catch (RemoteException e) { 5728 throw new IllegalStateException("Failed deactivating backup service.", e); 5729 } finally { 5730 mInjector.binderRestoreCallingIdentity(ident); 5731 } 5732 5733 mOwners.setDeviceOwner(admin, ownerName, userId); 5734 mOwners.writeDeviceOwner(); 5735 updateDeviceOwnerLocked(); 5736 setDeviceOwnerSystemPropertyLocked(); 5737 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5738 5739 ident = mInjector.binderClearCallingIdentity(); 5740 try { 5741 // TODO Send to system too? 5742 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5743 } finally { 5744 mInjector.binderRestoreCallingIdentity(ident); 5745 } 5746 return true; 5747 } 5748 } 5749 5750 public boolean isDeviceOwner(ComponentName who, int userId) { 5751 synchronized (this) { 5752 return mOwners.hasDeviceOwner() 5753 && mOwners.getDeviceOwnerUserId() == userId 5754 && mOwners.getDeviceOwnerComponent().equals(who); 5755 } 5756 } 5757 5758 public boolean isProfileOwner(ComponentName who, int userId) { 5759 final ComponentName profileOwner = getProfileOwner(userId); 5760 return who != null && who.equals(profileOwner); 5761 } 5762 5763 @Override 5764 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5765 if (!mHasFeature) { 5766 return null; 5767 } 5768 if (!callingUserOnly) { 5769 enforceManageUsers(); 5770 } 5771 synchronized (this) { 5772 if (!mOwners.hasDeviceOwner()) { 5773 return null; 5774 } 5775 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5776 mOwners.getDeviceOwnerUserId()) { 5777 return null; 5778 } 5779 return mOwners.getDeviceOwnerComponent(); 5780 } 5781 } 5782 5783 @Override 5784 public int getDeviceOwnerUserId() { 5785 if (!mHasFeature) { 5786 return UserHandle.USER_NULL; 5787 } 5788 enforceManageUsers(); 5789 synchronized (this) { 5790 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5791 } 5792 } 5793 5794 /** 5795 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5796 * MANAGE_USERS. 5797 */ 5798 @Override 5799 public String getDeviceOwnerName() { 5800 if (!mHasFeature) { 5801 return null; 5802 } 5803 enforceManageUsers(); 5804 synchronized (this) { 5805 if (!mOwners.hasDeviceOwner()) { 5806 return null; 5807 } 5808 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5809 // Should setDeviceOwner/ProfileOwner still take a name? 5810 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5811 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5812 } 5813 } 5814 5815 // Returns the active device owner or null if there is no device owner. 5816 @VisibleForTesting 5817 ActiveAdmin getDeviceOwnerAdminLocked() { 5818 ComponentName component = mOwners.getDeviceOwnerComponent(); 5819 if (component == null) { 5820 return null; 5821 } 5822 5823 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5824 final int n = policy.mAdminList.size(); 5825 for (int i = 0; i < n; i++) { 5826 ActiveAdmin admin = policy.mAdminList.get(i); 5827 if (component.equals(admin.info.getComponent())) { 5828 return admin; 5829 } 5830 } 5831 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5832 return null; 5833 } 5834 5835 @Override 5836 public void clearDeviceOwner(String packageName) { 5837 Preconditions.checkNotNull(packageName, "packageName is null"); 5838 final int callingUid = mInjector.binderGetCallingUid(); 5839 try { 5840 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 5841 UserHandle.getUserId(callingUid)); 5842 if (uid != callingUid) { 5843 throw new SecurityException("Invalid packageName"); 5844 } 5845 } catch (NameNotFoundException e) { 5846 throw new SecurityException(e); 5847 } 5848 synchronized (this) { 5849 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 5850 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 5851 if (!mOwners.hasDeviceOwner() 5852 || !deviceOwnerComponent.getPackageName().equals(packageName) 5853 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 5854 throw new SecurityException( 5855 "clearDeviceOwner can only be called by the device owner"); 5856 } 5857 enforceUserUnlocked(deviceOwnerUserId); 5858 5859 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 5860 long ident = mInjector.binderClearCallingIdentity(); 5861 try { 5862 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 5863 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 5864 } finally { 5865 mInjector.binderRestoreCallingIdentity(ident); 5866 } 5867 } 5868 } 5869 5870 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 5871 if (admin != null) { 5872 admin.disableCamera = false; 5873 admin.userRestrictions = null; 5874 admin.forceEphemeralUsers = false; 5875 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 5876 } 5877 clearUserPoliciesLocked(userId); 5878 5879 mOwners.clearDeviceOwner(); 5880 mOwners.writeDeviceOwner(); 5881 updateDeviceOwnerLocked(); 5882 disableSecurityLoggingIfNotCompliant(); 5883 try { 5884 if (mInjector.getIBackupManager() != null) { 5885 // Reactivate backup service. 5886 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 5887 } 5888 } catch (RemoteException e) { 5889 throw new IllegalStateException("Failed reactivating backup service.", e); 5890 } 5891 } 5892 5893 @Override 5894 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 5895 if (!mHasFeature) { 5896 return false; 5897 } 5898 if (who == null 5899 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 5900 throw new IllegalArgumentException("Component " + who 5901 + " not installed for userId:" + userHandle); 5902 } 5903 synchronized (this) { 5904 enforceCanSetProfileOwnerLocked(userHandle); 5905 5906 if (getActiveAdminUncheckedLocked(who, userHandle) == null 5907 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 5908 throw new IllegalArgumentException("Not active admin: " + who); 5909 } 5910 5911 mOwners.setProfileOwner(who, ownerName, userHandle); 5912 mOwners.writeProfileOwner(userHandle); 5913 return true; 5914 } 5915 } 5916 5917 @Override 5918 public void clearProfileOwner(ComponentName who) { 5919 if (!mHasFeature) { 5920 return; 5921 } 5922 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 5923 final int userId = callingUser.getIdentifier(); 5924 enforceNotManagedProfile(userId, "clear profile owner"); 5925 enforceUserUnlocked(userId); 5926 // Check if this is the profile owner who is calling 5927 final ActiveAdmin admin = 5928 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5929 synchronized (this) { 5930 final long ident = mInjector.binderClearCallingIdentity(); 5931 try { 5932 clearProfileOwnerLocked(admin, userId); 5933 removeActiveAdminLocked(who, userId); 5934 } finally { 5935 mInjector.binderRestoreCallingIdentity(ident); 5936 } 5937 } 5938 } 5939 5940 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 5941 if (admin != null) { 5942 admin.disableCamera = false; 5943 admin.userRestrictions = null; 5944 } 5945 clearUserPoliciesLocked(userId); 5946 mOwners.removeProfileOwner(userId); 5947 mOwners.writeProfileOwner(userId); 5948 } 5949 5950 @Override 5951 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 5952 Preconditions.checkNotNull(who, "ComponentName is null"); 5953 if (!mHasFeature) { 5954 return; 5955 } 5956 5957 synchronized (this) { 5958 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5959 long token = mInjector.binderClearCallingIdentity(); 5960 try { 5961 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 5962 } finally { 5963 mInjector.binderRestoreCallingIdentity(token); 5964 } 5965 } 5966 } 5967 5968 @Override 5969 public CharSequence getDeviceOwnerLockScreenInfo() { 5970 return mLockPatternUtils.getDeviceOwnerInfo(); 5971 } 5972 5973 private void clearUserPoliciesLocked(int userId) { 5974 // Reset some of the user-specific policies 5975 DevicePolicyData policy = getUserData(userId); 5976 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 5977 policy.mDelegatedCertInstallerPackage = null; 5978 policy.mApplicationRestrictionsManagingPackage = null; 5979 policy.mStatusBarDisabled = false; 5980 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 5981 saveSettingsLocked(userId); 5982 5983 try { 5984 mIPackageManager.updatePermissionFlagsForAllApps( 5985 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 5986 0 /* flagValues */, userId); 5987 pushUserRestrictions(userId); 5988 } catch (RemoteException re) { 5989 // Shouldn't happen. 5990 } 5991 } 5992 5993 @Override 5994 public boolean hasUserSetupCompleted() { 5995 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 5996 } 5997 5998 private boolean hasUserSetupCompleted(int userHandle) { 5999 if (!mHasFeature) { 6000 return true; 6001 } 6002 return getUserData(userHandle).mUserSetupComplete; 6003 } 6004 6005 @Override 6006 public int getUserProvisioningState() { 6007 if (!mHasFeature) { 6008 return DevicePolicyManager.STATE_USER_UNMANAGED; 6009 } 6010 int userHandle = mInjector.userHandleGetCallingUserId(); 6011 return getUserProvisioningState(userHandle); 6012 } 6013 6014 private int getUserProvisioningState(int userHandle) { 6015 return getUserData(userHandle).mUserProvisioningState; 6016 } 6017 6018 @Override 6019 public void setUserProvisioningState(int newState, int userHandle) { 6020 if (!mHasFeature) { 6021 return; 6022 } 6023 6024 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6025 && getManagedUserId(userHandle) == -1) { 6026 // No managed device, user or profile, so setting provisioning state makes no sense. 6027 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6028 + "device or profile owner is set."); 6029 } 6030 6031 synchronized (this) { 6032 boolean transitionCheckNeeded = true; 6033 6034 // Calling identity/permission checks. 6035 final int callingUid = mInjector.binderGetCallingUid(); 6036 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6037 // ADB shell can only move directly from un-managed to finalized as part of directly 6038 // setting profile-owner or device-owner. 6039 if (getUserProvisioningState(userHandle) != 6040 DevicePolicyManager.STATE_USER_UNMANAGED 6041 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6042 throw new IllegalStateException("Not allowed to change provisioning state " 6043 + "unless current provisioning state is unmanaged, and new state is " 6044 + "finalized."); 6045 } 6046 transitionCheckNeeded = false; 6047 } else { 6048 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6049 enforceCanManageProfileAndDeviceOwners(); 6050 } 6051 6052 final DevicePolicyData policyData = getUserData(userHandle); 6053 if (transitionCheckNeeded) { 6054 // Optional state transition check for non-ADB case. 6055 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6056 } 6057 policyData.mUserProvisioningState = newState; 6058 saveSettingsLocked(userHandle); 6059 } 6060 } 6061 6062 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6063 // Valid transitions for normal use-cases. 6064 switch (currentState) { 6065 case DevicePolicyManager.STATE_USER_UNMANAGED: 6066 // Can move to any state from unmanaged (except itself as an edge case).. 6067 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6068 return; 6069 } 6070 break; 6071 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6072 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6073 // Can only move to finalized from these states. 6074 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6075 return; 6076 } 6077 break; 6078 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6079 // Current user has a managed-profile, but current user is not managed, so 6080 // rather than moving to finalized state, go back to unmanaged once 6081 // profile provisioning is complete. 6082 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6083 return; 6084 } 6085 break; 6086 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6087 // Cannot transition out of finalized. 6088 break; 6089 } 6090 6091 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6092 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6093 + "from state [" + currentState + "]"); 6094 } 6095 6096 @Override 6097 public void setProfileEnabled(ComponentName who) { 6098 if (!mHasFeature) { 6099 return; 6100 } 6101 Preconditions.checkNotNull(who, "ComponentName is null"); 6102 synchronized (this) { 6103 // Check if this is the profile owner who is calling 6104 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6105 final int userId = UserHandle.getCallingUserId(); 6106 enforceManagedProfile(userId, "enable the profile"); 6107 // Check if the profile is already enabled. 6108 UserInfo managedProfile = getUserInfo(userId); 6109 if (managedProfile.isEnabled()) { 6110 Slog.e(LOG_TAG, 6111 "setProfileEnabled is called when the profile is already enabled"); 6112 return; 6113 } 6114 long id = mInjector.binderClearCallingIdentity(); 6115 try { 6116 mUserManager.setUserEnabled(userId); 6117 UserInfo parent = mUserManager.getProfileParent(userId); 6118 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6119 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6120 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6121 Intent.FLAG_RECEIVER_FOREGROUND); 6122 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6123 } finally { 6124 mInjector.binderRestoreCallingIdentity(id); 6125 } 6126 } 6127 } 6128 6129 @Override 6130 public void setProfileName(ComponentName who, String profileName) { 6131 Preconditions.checkNotNull(who, "ComponentName is null"); 6132 int userId = UserHandle.getCallingUserId(); 6133 // Check if this is the profile owner (includes device owner). 6134 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6135 6136 long id = mInjector.binderClearCallingIdentity(); 6137 try { 6138 mUserManager.setUserName(userId, profileName); 6139 } finally { 6140 mInjector.binderRestoreCallingIdentity(id); 6141 } 6142 } 6143 6144 @Override 6145 public ComponentName getProfileOwner(int userHandle) { 6146 if (!mHasFeature) { 6147 return null; 6148 } 6149 6150 synchronized (this) { 6151 return mOwners.getProfileOwnerComponent(userHandle); 6152 } 6153 } 6154 6155 // Returns the active profile owner for this user or null if the current user has no 6156 // profile owner. 6157 @VisibleForTesting 6158 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6159 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6160 if (profileOwner == null) { 6161 return null; 6162 } 6163 DevicePolicyData policy = getUserData(userHandle); 6164 final int n = policy.mAdminList.size(); 6165 for (int i = 0; i < n; i++) { 6166 ActiveAdmin admin = policy.mAdminList.get(i); 6167 if (profileOwner.equals(admin.info.getComponent())) { 6168 return admin; 6169 } 6170 } 6171 return null; 6172 } 6173 6174 @Override 6175 public String getProfileOwnerName(int userHandle) { 6176 if (!mHasFeature) { 6177 return null; 6178 } 6179 enforceManageUsers(); 6180 ComponentName profileOwner = getProfileOwner(userHandle); 6181 if (profileOwner == null) { 6182 return null; 6183 } 6184 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6185 } 6186 6187 /** 6188 * Canonical name for a given package. 6189 */ 6190 private String getApplicationLabel(String packageName, int userHandle) { 6191 long token = mInjector.binderClearCallingIdentity(); 6192 try { 6193 final Context userContext; 6194 try { 6195 UserHandle handle = new UserHandle(userHandle); 6196 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6197 } catch (PackageManager.NameNotFoundException nnfe) { 6198 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6199 return null; 6200 } 6201 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6202 CharSequence result = null; 6203 if (appInfo != null) { 6204 PackageManager pm = userContext.getPackageManager(); 6205 result = pm.getApplicationLabel(appInfo); 6206 } 6207 return result != null ? result.toString() : null; 6208 } finally { 6209 mInjector.binderRestoreCallingIdentity(token); 6210 } 6211 } 6212 6213 /** 6214 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6215 * permission. 6216 * The profile owner can only be set before the user setup phase has completed, 6217 * except for: 6218 * - SYSTEM_UID 6219 * - adb if there are not accounts. 6220 */ 6221 private void enforceCanSetProfileOwnerLocked(int userHandle) { 6222 UserInfo info = getUserInfo(userHandle); 6223 if (info == null) { 6224 // User doesn't exist. 6225 throw new IllegalArgumentException( 6226 "Attempted to set profile owner for invalid userId: " + userHandle); 6227 } 6228 if (info.isGuest()) { 6229 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6230 } 6231 if (mOwners.hasProfileOwner(userHandle)) { 6232 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6233 + "is already set."); 6234 } 6235 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6236 throw new IllegalStateException("Trying to set the profile owner, but the user " 6237 + "already has a device owner."); 6238 } 6239 int callingUid = mInjector.binderGetCallingUid(); 6240 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6241 if (hasUserSetupCompleted(userHandle) && 6242 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 6243 throw new IllegalStateException("Not allowed to set the profile owner because " 6244 + "there are already some accounts on the profile"); 6245 } 6246 return; 6247 } 6248 enforceCanManageProfileAndDeviceOwners(); 6249 if (hasUserSetupCompleted(userHandle) && !isCallerWithSystemUid()) { 6250 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6251 + "already set-up"); 6252 } 6253 } 6254 6255 /** 6256 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6257 * permission. 6258 */ 6259 private void enforceCanSetDeviceOwnerLocked(int userId) { 6260 int callingUid = mInjector.binderGetCallingUid(); 6261 boolean isAdb = callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 6262 if (!isAdb) { 6263 enforceCanManageProfileAndDeviceOwners(); 6264 } 6265 6266 final int code = checkSetDeviceOwnerPreCondition(userId, isAdb); 6267 switch (code) { 6268 case CODE_OK: 6269 return; 6270 case CODE_HAS_DEVICE_OWNER: 6271 throw new IllegalStateException( 6272 "Trying to set the device owner, but device owner is already set."); 6273 case CODE_USER_HAS_PROFILE_OWNER: 6274 throw new IllegalStateException("Trying to set the device owner, but the user " 6275 + "already has a profile owner."); 6276 case CODE_USER_NOT_RUNNING: 6277 throw new IllegalStateException("User not running: " + userId); 6278 case CODE_NOT_SYSTEM_USER: 6279 throw new IllegalStateException("User is not system user"); 6280 case CODE_USER_SETUP_COMPLETED: 6281 throw new IllegalStateException( 6282 "Cannot set the device owner if the device is already set-up"); 6283 case CODE_NONSYSTEM_USER_EXISTS: 6284 throw new IllegalStateException("Not allowed to set the device owner because there " 6285 + "are already several users on the device"); 6286 case CODE_ACCOUNTS_NOT_EMPTY: 6287 throw new IllegalStateException("Not allowed to set the device owner because there " 6288 + "are already some accounts on the device"); 6289 default: 6290 throw new IllegalStateException("Unknown @DeviceOwnerPreConditionCode " + code); 6291 } 6292 } 6293 6294 private void enforceUserUnlocked(int userId) { 6295 // Since we're doing this operation on behalf of an app, we only 6296 // want to use the actual "unlocked" state. 6297 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6298 "User must be running and unlocked"); 6299 } 6300 6301 private void enforceManageUsers() { 6302 final int callingUid = mInjector.binderGetCallingUid(); 6303 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6304 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6305 } 6306 } 6307 6308 private void enforceFullCrossUsersPermission(int userHandle) { 6309 enforceSystemUserOrPermission(userHandle, 6310 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6311 } 6312 6313 private void enforceCrossUsersPermission(int userHandle) { 6314 enforceSystemUserOrPermission(userHandle, 6315 android.Manifest.permission.INTERACT_ACROSS_USERS); 6316 } 6317 6318 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6319 if (userHandle < 0) { 6320 throw new IllegalArgumentException("Invalid userId " + userHandle); 6321 } 6322 final int callingUid = mInjector.binderGetCallingUid(); 6323 if (userHandle == UserHandle.getUserId(callingUid)) { 6324 return; 6325 } 6326 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6327 mContext.enforceCallingOrSelfPermission(permission, 6328 "Must be system or have " + permission + " permission"); 6329 } 6330 } 6331 6332 private void enforceManagedProfile(int userHandle, String message) { 6333 if(!isManagedProfile(userHandle)) { 6334 throw new SecurityException("You can not " + message + " outside a managed profile."); 6335 } 6336 } 6337 6338 private void enforceNotManagedProfile(int userHandle, String message) { 6339 if(isManagedProfile(userHandle)) { 6340 throw new SecurityException("You can not " + message + " for a managed profile."); 6341 } 6342 } 6343 6344 private void ensureCallerPackage(@Nullable String packageName) { 6345 if (packageName == null) { 6346 Preconditions.checkState(isCallerWithSystemUid(), 6347 "Only caller can omit package name"); 6348 } else { 6349 final int callingUid = mInjector.binderGetCallingUid(); 6350 final int userId = mInjector.userHandleGetCallingUserId(); 6351 try { 6352 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6353 packageName, 0, userId); 6354 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6355 } catch (RemoteException e) { 6356 // Shouldn't happen 6357 } 6358 } 6359 } 6360 6361 private boolean isCallerWithSystemUid() { 6362 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6363 } 6364 6365 private int getProfileParentId(int userHandle) { 6366 final long ident = mInjector.binderClearCallingIdentity(); 6367 try { 6368 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6369 return parentUser != null ? parentUser.id : userHandle; 6370 } finally { 6371 mInjector.binderRestoreCallingIdentity(ident); 6372 } 6373 } 6374 6375 private int getCredentialOwner(int userHandle, boolean parent) { 6376 final long ident = mInjector.binderClearCallingIdentity(); 6377 try { 6378 if (parent) { 6379 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6380 if (parentProfile != null) { 6381 userHandle = parentProfile.id; 6382 } 6383 } 6384 return mUserManager.getCredentialOwnerProfile(userHandle); 6385 } finally { 6386 mInjector.binderRestoreCallingIdentity(ident); 6387 } 6388 } 6389 6390 private boolean isManagedProfile(int userHandle) { 6391 return getUserInfo(userHandle).isManagedProfile(); 6392 } 6393 6394 private void enableIfNecessary(String packageName, int userId) { 6395 try { 6396 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6397 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6398 userId); 6399 if (ai.enabledSetting 6400 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6401 mIPackageManager.setApplicationEnabledSetting(packageName, 6402 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6403 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6404 } 6405 } catch (RemoteException e) { 6406 } 6407 } 6408 6409 @Override 6410 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6411 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6412 != PackageManager.PERMISSION_GRANTED) { 6413 6414 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6415 + mInjector.binderGetCallingPid() 6416 + ", uid=" + mInjector.binderGetCallingUid()); 6417 return; 6418 } 6419 6420 synchronized (this) { 6421 pw.println("Current Device Policy Manager state:"); 6422 mOwners.dump(" ", pw); 6423 int userCount = mUserData.size(); 6424 for (int u = 0; u < userCount; u++) { 6425 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6426 pw.println(); 6427 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6428 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6429 final int N = policy.mAdminList.size(); 6430 for (int i=0; i<N; i++) { 6431 ActiveAdmin ap = policy.mAdminList.get(i); 6432 if (ap != null) { 6433 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6434 pw.println(":"); 6435 ap.dump(" ", pw); 6436 } 6437 } 6438 if (!policy.mRemovingAdmins.isEmpty()) { 6439 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6440 + policy.mRemovingAdmins); 6441 } 6442 6443 pw.println(" "); 6444 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6445 } 6446 pw.println(); 6447 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6448 } 6449 } 6450 6451 private String getEncryptionStatusName(int encryptionStatus) { 6452 switch (encryptionStatus) { 6453 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6454 return "inactive"; 6455 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6456 return "block default key"; 6457 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6458 return "block"; 6459 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6460 return "per-user"; 6461 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6462 return "unsupported"; 6463 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6464 return "activating"; 6465 default: 6466 return "unknown"; 6467 } 6468 } 6469 6470 @Override 6471 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6472 ComponentName activity) { 6473 Preconditions.checkNotNull(who, "ComponentName is null"); 6474 final int userHandle = UserHandle.getCallingUserId(); 6475 synchronized (this) { 6476 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6477 6478 long id = mInjector.binderClearCallingIdentity(); 6479 try { 6480 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6481 } catch (RemoteException re) { 6482 // Shouldn't happen 6483 } finally { 6484 mInjector.binderRestoreCallingIdentity(id); 6485 } 6486 } 6487 } 6488 6489 @Override 6490 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6491 Preconditions.checkNotNull(who, "ComponentName is null"); 6492 final int userHandle = UserHandle.getCallingUserId(); 6493 synchronized (this) { 6494 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6495 6496 long id = mInjector.binderClearCallingIdentity(); 6497 try { 6498 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6499 } catch (RemoteException re) { 6500 // Shouldn't happen 6501 } finally { 6502 mInjector.binderRestoreCallingIdentity(id); 6503 } 6504 } 6505 } 6506 6507 @Override 6508 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6509 String packageName) { 6510 Preconditions.checkNotNull(admin, "ComponentName is null"); 6511 6512 final int userHandle = mInjector.userHandleGetCallingUserId(); 6513 synchronized (this) { 6514 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6515 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6516 return false; 6517 } 6518 DevicePolicyData policy = getUserData(userHandle); 6519 policy.mApplicationRestrictionsManagingPackage = packageName; 6520 saveSettingsLocked(userHandle); 6521 return true; 6522 } 6523 } 6524 6525 @Override 6526 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6527 Preconditions.checkNotNull(admin, "ComponentName is null"); 6528 6529 final int userHandle = mInjector.userHandleGetCallingUserId(); 6530 synchronized (this) { 6531 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6532 DevicePolicyData policy = getUserData(userHandle); 6533 return policy.mApplicationRestrictionsManagingPackage; 6534 } 6535 } 6536 6537 @Override 6538 public boolean isCallerApplicationRestrictionsManagingPackage() { 6539 final int callingUid = mInjector.binderGetCallingUid(); 6540 final int userHandle = UserHandle.getUserId(callingUid); 6541 synchronized (this) { 6542 final DevicePolicyData policy = getUserData(userHandle); 6543 if (policy.mApplicationRestrictionsManagingPackage == null) { 6544 return false; 6545 } 6546 6547 try { 6548 int uid = mContext.getPackageManager().getPackageUidAsUser( 6549 policy.mApplicationRestrictionsManagingPackage, userHandle); 6550 return uid == callingUid; 6551 } catch (NameNotFoundException e) { 6552 return false; 6553 } 6554 } 6555 } 6556 6557 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6558 if (who != null) { 6559 synchronized (this) { 6560 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6561 } 6562 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6563 throw new SecurityException( 6564 "No admin component given, and caller cannot manage application restrictions " 6565 + "for other apps."); 6566 } 6567 } 6568 6569 @Override 6570 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6571 enforceCanManageApplicationRestrictions(who); 6572 6573 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6574 final long id = mInjector.binderClearCallingIdentity(); 6575 try { 6576 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6577 } finally { 6578 mInjector.binderRestoreCallingIdentity(id); 6579 } 6580 } 6581 6582 @Override 6583 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6584 PersistableBundle args, boolean parent) { 6585 if (!mHasFeature) { 6586 return; 6587 } 6588 Preconditions.checkNotNull(admin, "admin is null"); 6589 Preconditions.checkNotNull(agent, "agent is null"); 6590 final int userHandle = UserHandle.getCallingUserId(); 6591 synchronized (this) { 6592 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6593 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6594 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6595 saveSettingsLocked(userHandle); 6596 } 6597 } 6598 6599 @Override 6600 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6601 ComponentName agent, int userHandle, boolean parent) { 6602 if (!mHasFeature) { 6603 return null; 6604 } 6605 Preconditions.checkNotNull(agent, "agent null"); 6606 enforceFullCrossUsersPermission(userHandle); 6607 6608 synchronized (this) { 6609 final String componentName = agent.flattenToString(); 6610 if (admin != null) { 6611 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 6612 if (ap == null) return null; 6613 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6614 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6615 List<PersistableBundle> result = new ArrayList<>(); 6616 result.add(trustAgentInfo.options); 6617 return result; 6618 } 6619 6620 // Return strictest policy for this user and profiles that are visible from this user. 6621 List<PersistableBundle> result = null; 6622 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6623 // of the options. If any admin doesn't have options, discard options for the rest 6624 // and return null. 6625 List<ActiveAdmin> admins = 6626 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6627 boolean allAdminsHaveOptions = true; 6628 final int N = admins.size(); 6629 for (int i = 0; i < N; i++) { 6630 final ActiveAdmin active = admins.get(i); 6631 6632 final boolean disablesTrust = (active.disabledKeyguardFeatures 6633 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6634 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6635 if (info != null && info.options != null && !info.options.isEmpty()) { 6636 if (disablesTrust) { 6637 if (result == null) { 6638 result = new ArrayList<>(); 6639 } 6640 result.add(info.options); 6641 } else { 6642 Log.w(LOG_TAG, "Ignoring admin " + active.info 6643 + " because it has trust options but doesn't declare " 6644 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6645 } 6646 } else if (disablesTrust) { 6647 allAdminsHaveOptions = false; 6648 break; 6649 } 6650 } 6651 return allAdminsHaveOptions ? result : null; 6652 } 6653 } 6654 6655 @Override 6656 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 6657 Preconditions.checkNotNull(who, "ComponentName is null"); 6658 synchronized (this) { 6659 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6660 6661 int userHandle = UserHandle.getCallingUserId(); 6662 DevicePolicyData userData = getUserData(userHandle); 6663 userData.mRestrictionsProvider = permissionProvider; 6664 saveSettingsLocked(userHandle); 6665 } 6666 } 6667 6668 @Override 6669 public ComponentName getRestrictionsProvider(int userHandle) { 6670 synchronized (this) { 6671 if (!isCallerWithSystemUid()) { 6672 throw new SecurityException("Only the system can query the permission provider"); 6673 } 6674 DevicePolicyData userData = getUserData(userHandle); 6675 return userData != null ? userData.mRestrictionsProvider : null; 6676 } 6677 } 6678 6679 @Override 6680 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 6681 Preconditions.checkNotNull(who, "ComponentName is null"); 6682 int callingUserId = UserHandle.getCallingUserId(); 6683 synchronized (this) { 6684 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6685 6686 long id = mInjector.binderClearCallingIdentity(); 6687 try { 6688 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6689 if (parent == null) { 6690 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 6691 + "parent"); 6692 return; 6693 } 6694 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 6695 mIPackageManager.addCrossProfileIntentFilter( 6696 filter, who.getPackageName(), callingUserId, parent.id, 0); 6697 } 6698 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 6699 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 6700 parent.id, callingUserId, 0); 6701 } 6702 } catch (RemoteException re) { 6703 // Shouldn't happen 6704 } finally { 6705 mInjector.binderRestoreCallingIdentity(id); 6706 } 6707 } 6708 } 6709 6710 @Override 6711 public void clearCrossProfileIntentFilters(ComponentName who) { 6712 Preconditions.checkNotNull(who, "ComponentName is null"); 6713 int callingUserId = UserHandle.getCallingUserId(); 6714 synchronized (this) { 6715 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6716 long id = mInjector.binderClearCallingIdentity(); 6717 try { 6718 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6719 if (parent == null) { 6720 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 6721 + "parent"); 6722 return; 6723 } 6724 // Removing those that go from the managed profile to the parent. 6725 mIPackageManager.clearCrossProfileIntentFilters( 6726 callingUserId, who.getPackageName()); 6727 // And those that go from the parent to the managed profile. 6728 // If we want to support multiple managed profiles, we will have to only remove 6729 // those that have callingUserId as their target. 6730 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 6731 } catch (RemoteException re) { 6732 // Shouldn't happen 6733 } finally { 6734 mInjector.binderRestoreCallingIdentity(id); 6735 } 6736 } 6737 } 6738 6739 /** 6740 * @return true if all packages in enabledPackages are either in the list 6741 * permittedList or are a system app. 6742 */ 6743 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 6744 List<String> permittedList, int userIdToCheck) { 6745 long id = mInjector.binderClearCallingIdentity(); 6746 try { 6747 // If we have an enabled packages list for a managed profile the packages 6748 // we should check are installed for the parent user. 6749 UserInfo user = getUserInfo(userIdToCheck); 6750 if (user.isManagedProfile()) { 6751 userIdToCheck = user.profileGroupId; 6752 } 6753 6754 for (String enabledPackage : enabledPackages) { 6755 boolean systemService = false; 6756 try { 6757 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 6758 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 6759 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6760 } catch (RemoteException e) { 6761 Log.i(LOG_TAG, "Can't talk to package managed", e); 6762 } 6763 if (!systemService && !permittedList.contains(enabledPackage)) { 6764 return false; 6765 } 6766 } 6767 } finally { 6768 mInjector.binderRestoreCallingIdentity(id); 6769 } 6770 return true; 6771 } 6772 6773 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 6774 // Not using AccessibilityManager.getInstance because that guesses 6775 // at the user you require based on callingUid and caches for a given 6776 // process. 6777 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 6778 IAccessibilityManager service = iBinder == null 6779 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 6780 return new AccessibilityManager(mContext, service, userId); 6781 } 6782 6783 @Override 6784 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 6785 if (!mHasFeature) { 6786 return false; 6787 } 6788 Preconditions.checkNotNull(who, "ComponentName is null"); 6789 6790 if (packageList != null) { 6791 int userId = UserHandle.getCallingUserId(); 6792 List<AccessibilityServiceInfo> enabledServices = null; 6793 long id = mInjector.binderClearCallingIdentity(); 6794 try { 6795 UserInfo user = getUserInfo(userId); 6796 if (user.isManagedProfile()) { 6797 userId = user.profileGroupId; 6798 } 6799 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 6800 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 6801 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 6802 } finally { 6803 mInjector.binderRestoreCallingIdentity(id); 6804 } 6805 6806 if (enabledServices != null) { 6807 List<String> enabledPackages = new ArrayList<String>(); 6808 for (AccessibilityServiceInfo service : enabledServices) { 6809 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 6810 } 6811 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6812 userId)) { 6813 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 6814 + "because it contains already enabled accesibility services."); 6815 return false; 6816 } 6817 } 6818 } 6819 6820 synchronized (this) { 6821 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6822 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6823 admin.permittedAccessiblityServices = packageList; 6824 saveSettingsLocked(UserHandle.getCallingUserId()); 6825 } 6826 return true; 6827 } 6828 6829 @Override 6830 public List getPermittedAccessibilityServices(ComponentName who) { 6831 if (!mHasFeature) { 6832 return null; 6833 } 6834 Preconditions.checkNotNull(who, "ComponentName is null"); 6835 6836 synchronized (this) { 6837 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6838 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6839 return admin.permittedAccessiblityServices; 6840 } 6841 } 6842 6843 @Override 6844 public List getPermittedAccessibilityServicesForUser(int userId) { 6845 if (!mHasFeature) { 6846 return null; 6847 } 6848 synchronized (this) { 6849 List<String> result = null; 6850 // If we have multiple profiles we return the intersection of the 6851 // permitted lists. This can happen in cases where we have a device 6852 // and profile owner. 6853 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 6854 for (int profileId : profileIds) { 6855 // Just loop though all admins, only device or profiles 6856 // owners can have permitted lists set. 6857 DevicePolicyData policy = getUserDataUnchecked(profileId); 6858 final int N = policy.mAdminList.size(); 6859 for (int j = 0; j < N; j++) { 6860 ActiveAdmin admin = policy.mAdminList.get(j); 6861 List<String> fromAdmin = admin.permittedAccessiblityServices; 6862 if (fromAdmin != null) { 6863 if (result == null) { 6864 result = new ArrayList<>(fromAdmin); 6865 } else { 6866 result.retainAll(fromAdmin); 6867 } 6868 } 6869 } 6870 } 6871 6872 // If we have a permitted list add all system accessibility services. 6873 if (result != null) { 6874 long id = mInjector.binderClearCallingIdentity(); 6875 try { 6876 UserInfo user = getUserInfo(userId); 6877 if (user.isManagedProfile()) { 6878 userId = user.profileGroupId; 6879 } 6880 AccessibilityManager accessibilityManager = 6881 getAccessibilityManagerForUser(userId); 6882 List<AccessibilityServiceInfo> installedServices = 6883 accessibilityManager.getInstalledAccessibilityServiceList(); 6884 6885 if (installedServices != null) { 6886 for (AccessibilityServiceInfo service : installedServices) { 6887 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 6888 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6889 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6890 result.add(serviceInfo.packageName); 6891 } 6892 } 6893 } 6894 } finally { 6895 mInjector.binderRestoreCallingIdentity(id); 6896 } 6897 } 6898 6899 return result; 6900 } 6901 } 6902 6903 @Override 6904 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 6905 int userHandle) { 6906 if (!mHasFeature) { 6907 return true; 6908 } 6909 Preconditions.checkNotNull(who, "ComponentName is null"); 6910 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 6911 if (!isCallerWithSystemUid()){ 6912 throw new SecurityException( 6913 "Only the system can query if an accessibility service is disabled by admin"); 6914 } 6915 synchronized (this) { 6916 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6917 if (admin == null) { 6918 return false; 6919 } 6920 if (admin.permittedAccessiblityServices == null) { 6921 return true; 6922 } 6923 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 6924 admin.permittedAccessiblityServices, userHandle); 6925 } 6926 } 6927 6928 private boolean checkCallerIsCurrentUserOrProfile() { 6929 int callingUserId = UserHandle.getCallingUserId(); 6930 long token = mInjector.binderClearCallingIdentity(); 6931 try { 6932 UserInfo currentUser; 6933 UserInfo callingUser = getUserInfo(callingUserId); 6934 try { 6935 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6936 } catch (RemoteException e) { 6937 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 6938 return false; 6939 } 6940 6941 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 6942 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 6943 + "of a user that isn't the foreground user."); 6944 return false; 6945 } 6946 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 6947 Slog.e(LOG_TAG, "Cannot set permitted input methods " 6948 + "of a user that isn't the foreground user."); 6949 return false; 6950 } 6951 } finally { 6952 mInjector.binderRestoreCallingIdentity(token); 6953 } 6954 return true; 6955 } 6956 6957 @Override 6958 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 6959 if (!mHasFeature) { 6960 return false; 6961 } 6962 Preconditions.checkNotNull(who, "ComponentName is null"); 6963 6964 // TODO When InputMethodManager supports per user calls remove 6965 // this restriction. 6966 if (!checkCallerIsCurrentUserOrProfile()) { 6967 return false; 6968 } 6969 6970 if (packageList != null) { 6971 // InputMethodManager fetches input methods for current user. 6972 // So this can only be set when calling user is the current user 6973 // or parent is current user in case of managed profiles. 6974 InputMethodManager inputMethodManager = 6975 mContext.getSystemService(InputMethodManager.class); 6976 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 6977 6978 if (enabledImes != null) { 6979 List<String> enabledPackages = new ArrayList<String>(); 6980 for (InputMethodInfo ime : enabledImes) { 6981 enabledPackages.add(ime.getPackageName()); 6982 } 6983 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6984 mInjector.binderGetCallingUserHandle().getIdentifier())) { 6985 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 6986 + "because it contains already enabled input method."); 6987 return false; 6988 } 6989 } 6990 } 6991 6992 synchronized (this) { 6993 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6994 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6995 admin.permittedInputMethods = packageList; 6996 saveSettingsLocked(UserHandle.getCallingUserId()); 6997 } 6998 return true; 6999 } 7000 7001 @Override 7002 public List getPermittedInputMethods(ComponentName who) { 7003 if (!mHasFeature) { 7004 return null; 7005 } 7006 Preconditions.checkNotNull(who, "ComponentName is null"); 7007 7008 synchronized (this) { 7009 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7010 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7011 return admin.permittedInputMethods; 7012 } 7013 } 7014 7015 @Override 7016 public List getPermittedInputMethodsForCurrentUser() { 7017 UserInfo currentUser; 7018 try { 7019 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7020 } catch (RemoteException e) { 7021 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7022 // Activity managed is dead, just allow all IMEs 7023 return null; 7024 } 7025 7026 int userId = currentUser.id; 7027 synchronized (this) { 7028 List<String> result = null; 7029 // If we have multiple profiles we return the intersection of the 7030 // permitted lists. This can happen in cases where we have a device 7031 // and profile owner. 7032 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7033 for (int profileId : profileIds) { 7034 // Just loop though all admins, only device or profiles 7035 // owners can have permitted lists set. 7036 DevicePolicyData policy = getUserDataUnchecked(profileId); 7037 final int N = policy.mAdminList.size(); 7038 for (int j = 0; j < N; j++) { 7039 ActiveAdmin admin = policy.mAdminList.get(j); 7040 List<String> fromAdmin = admin.permittedInputMethods; 7041 if (fromAdmin != null) { 7042 if (result == null) { 7043 result = new ArrayList<String>(fromAdmin); 7044 } else { 7045 result.retainAll(fromAdmin); 7046 } 7047 } 7048 } 7049 } 7050 7051 // If we have a permitted list add all system input methods. 7052 if (result != null) { 7053 InputMethodManager inputMethodManager = 7054 mContext.getSystemService(InputMethodManager.class); 7055 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7056 long id = mInjector.binderClearCallingIdentity(); 7057 try { 7058 if (imes != null) { 7059 for (InputMethodInfo ime : imes) { 7060 ServiceInfo serviceInfo = ime.getServiceInfo(); 7061 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7062 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7063 result.add(serviceInfo.packageName); 7064 } 7065 } 7066 } 7067 } finally { 7068 mInjector.binderRestoreCallingIdentity(id); 7069 } 7070 } 7071 return result; 7072 } 7073 } 7074 7075 @Override 7076 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7077 int userHandle) { 7078 if (!mHasFeature) { 7079 return true; 7080 } 7081 Preconditions.checkNotNull(who, "ComponentName is null"); 7082 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7083 if (!isCallerWithSystemUid()) { 7084 throw new SecurityException( 7085 "Only the system can query if an input method is disabled by admin"); 7086 } 7087 synchronized (this) { 7088 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7089 if (admin == null) { 7090 return false; 7091 } 7092 if (admin.permittedInputMethods == null) { 7093 return true; 7094 } 7095 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7096 admin.permittedInputMethods, userHandle); 7097 } 7098 } 7099 7100 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7101 DevicePolicyData policyData = getUserData(userHandle); 7102 if (policyData.mAdminBroadcastPending) { 7103 // Send the initialization data to profile owner and delete the data 7104 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7105 if (admin != null) { 7106 PersistableBundle initBundle = policyData.mInitBundle; 7107 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7108 initBundle == null ? null : new Bundle(initBundle), null); 7109 } 7110 policyData.mInitBundle = null; 7111 policyData.mAdminBroadcastPending = false; 7112 saveSettingsLocked(userHandle); 7113 } 7114 } 7115 7116 @Override 7117 public UserHandle createAndManageUser(ComponentName admin, String name, 7118 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7119 Preconditions.checkNotNull(admin, "admin is null"); 7120 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7121 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7122 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7123 + admin + " are not in the same package"); 7124 } 7125 // Only allow the system user to use this method 7126 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7127 throw new SecurityException("createAndManageUser was called from non-system user"); 7128 } 7129 if (!mInjector.userManagerIsSplitSystemUser() 7130 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7131 throw new IllegalArgumentException( 7132 "Ephemeral users are only supported on systems with a split system user."); 7133 } 7134 // Create user. 7135 UserHandle user = null; 7136 synchronized (this) { 7137 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7138 7139 final long id = mInjector.binderClearCallingIdentity(); 7140 try { 7141 int userInfoFlags = 0; 7142 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7143 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7144 } 7145 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7146 userInfoFlags); 7147 if (userInfo != null) { 7148 user = userInfo.getUserHandle(); 7149 } 7150 } finally { 7151 mInjector.binderRestoreCallingIdentity(id); 7152 } 7153 } 7154 if (user == null) { 7155 return null; 7156 } 7157 // Set admin. 7158 final long id = mInjector.binderClearCallingIdentity(); 7159 try { 7160 final String adminPkg = admin.getPackageName(); 7161 7162 final int userHandle = user.getIdentifier(); 7163 try { 7164 // Install the profile owner if not present. 7165 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7166 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 7167 } 7168 } catch (RemoteException e) { 7169 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7170 + "removing created user", e); 7171 mUserManager.removeUser(user.getIdentifier()); 7172 return null; 7173 } 7174 7175 setActiveAdmin(profileOwner, true, userHandle); 7176 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7177 // So we store adminExtras for broadcasting when the user starts for first time. 7178 synchronized(this) { 7179 DevicePolicyData policyData = getUserData(userHandle); 7180 policyData.mInitBundle = adminExtras; 7181 policyData.mAdminBroadcastPending = true; 7182 saveSettingsLocked(userHandle); 7183 } 7184 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7185 setProfileOwner(profileOwner, ownerName, userHandle); 7186 7187 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7188 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7189 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7190 } 7191 7192 return user; 7193 } finally { 7194 mInjector.binderRestoreCallingIdentity(id); 7195 } 7196 } 7197 7198 @Override 7199 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7200 Preconditions.checkNotNull(who, "ComponentName is null"); 7201 synchronized (this) { 7202 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7203 7204 long id = mInjector.binderClearCallingIdentity(); 7205 try { 7206 return mUserManager.removeUser(userHandle.getIdentifier()); 7207 } finally { 7208 mInjector.binderRestoreCallingIdentity(id); 7209 } 7210 } 7211 } 7212 7213 @Override 7214 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7215 Preconditions.checkNotNull(who, "ComponentName is null"); 7216 synchronized (this) { 7217 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7218 7219 long id = mInjector.binderClearCallingIdentity(); 7220 try { 7221 int userId = UserHandle.USER_SYSTEM; 7222 if (userHandle != null) { 7223 userId = userHandle.getIdentifier(); 7224 } 7225 return mInjector.getIActivityManager().switchUser(userId); 7226 } catch (RemoteException e) { 7227 Log.e(LOG_TAG, "Couldn't switch user", e); 7228 return false; 7229 } finally { 7230 mInjector.binderRestoreCallingIdentity(id); 7231 } 7232 } 7233 } 7234 7235 @Override 7236 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7237 enforceCanManageApplicationRestrictions(who); 7238 7239 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7240 final long id = mInjector.binderClearCallingIdentity(); 7241 try { 7242 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7243 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7244 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7245 return bundle != null ? bundle : Bundle.EMPTY; 7246 } finally { 7247 mInjector.binderRestoreCallingIdentity(id); 7248 } 7249 } 7250 7251 @Override 7252 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7253 boolean suspended) { 7254 Preconditions.checkNotNull(who, "ComponentName is null"); 7255 int callingUserId = UserHandle.getCallingUserId(); 7256 synchronized (this) { 7257 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7258 7259 long id = mInjector.binderClearCallingIdentity(); 7260 try { 7261 return mIPackageManager.setPackagesSuspendedAsUser( 7262 packageNames, suspended, callingUserId); 7263 } catch (RemoteException re) { 7264 // Shouldn't happen. 7265 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7266 } finally { 7267 mInjector.binderRestoreCallingIdentity(id); 7268 } 7269 return packageNames; 7270 } 7271 } 7272 7273 @Override 7274 public boolean isPackageSuspended(ComponentName who, String packageName) { 7275 Preconditions.checkNotNull(who, "ComponentName is null"); 7276 int callingUserId = UserHandle.getCallingUserId(); 7277 synchronized (this) { 7278 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7279 7280 long id = mInjector.binderClearCallingIdentity(); 7281 try { 7282 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7283 } catch (RemoteException re) { 7284 // Shouldn't happen. 7285 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7286 } finally { 7287 mInjector.binderRestoreCallingIdentity(id); 7288 } 7289 return false; 7290 } 7291 } 7292 7293 @Override 7294 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7295 Preconditions.checkNotNull(who, "ComponentName is null"); 7296 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7297 return; 7298 } 7299 7300 final int userHandle = mInjector.userHandleGetCallingUserId(); 7301 synchronized (this) { 7302 ActiveAdmin activeAdmin = 7303 getActiveAdminForCallerLocked(who, 7304 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7305 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7306 if (isDeviceOwner) { 7307 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7308 throw new SecurityException("Device owner cannot set user restriction " + key); 7309 } 7310 } else { // profile owner 7311 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7312 throw new SecurityException("Profile owner cannot set user restriction " + key); 7313 } 7314 } 7315 7316 // Save the restriction to ActiveAdmin. 7317 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 7318 saveSettingsLocked(userHandle); 7319 7320 pushUserRestrictions(userHandle); 7321 7322 sendChangedNotification(userHandle); 7323 } 7324 } 7325 7326 private void pushUserRestrictions(int userId) { 7327 synchronized (this) { 7328 final Bundle global; 7329 final Bundle local = new Bundle(); 7330 if (mOwners.isDeviceOwnerUserId(userId)) { 7331 global = new Bundle(); 7332 7333 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7334 if (deviceOwner == null) { 7335 return; // Shouldn't happen. 7336 } 7337 7338 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 7339 global, local); 7340 // DO can disable camera globally. 7341 if (deviceOwner.disableCamera) { 7342 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 7343 } 7344 } else { 7345 global = null; 7346 7347 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7348 if (profileOwner != null) { 7349 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7350 } 7351 } 7352 // Also merge in *local* camera restriction. 7353 if (getCameraDisabled(/* who= */ null, 7354 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7355 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7356 } 7357 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7358 } 7359 } 7360 7361 @Override 7362 public Bundle getUserRestrictions(ComponentName who) { 7363 if (!mHasFeature) { 7364 return null; 7365 } 7366 Preconditions.checkNotNull(who, "ComponentName is null"); 7367 synchronized (this) { 7368 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7369 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7370 return activeAdmin.userRestrictions; 7371 } 7372 } 7373 7374 @Override 7375 public boolean setApplicationHidden(ComponentName who, String packageName, 7376 boolean hidden) { 7377 Preconditions.checkNotNull(who, "ComponentName is null"); 7378 int callingUserId = UserHandle.getCallingUserId(); 7379 synchronized (this) { 7380 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7381 7382 long id = mInjector.binderClearCallingIdentity(); 7383 try { 7384 return mIPackageManager.setApplicationHiddenSettingAsUser( 7385 packageName, hidden, callingUserId); 7386 } catch (RemoteException re) { 7387 // shouldn't happen 7388 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7389 } finally { 7390 mInjector.binderRestoreCallingIdentity(id); 7391 } 7392 return false; 7393 } 7394 } 7395 7396 @Override 7397 public boolean isApplicationHidden(ComponentName who, String packageName) { 7398 Preconditions.checkNotNull(who, "ComponentName is null"); 7399 int callingUserId = UserHandle.getCallingUserId(); 7400 synchronized (this) { 7401 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7402 7403 long id = mInjector.binderClearCallingIdentity(); 7404 try { 7405 return mIPackageManager.getApplicationHiddenSettingAsUser( 7406 packageName, callingUserId); 7407 } catch (RemoteException re) { 7408 // shouldn't happen 7409 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7410 } finally { 7411 mInjector.binderRestoreCallingIdentity(id); 7412 } 7413 return false; 7414 } 7415 } 7416 7417 @Override 7418 public void enableSystemApp(ComponentName who, String packageName) { 7419 Preconditions.checkNotNull(who, "ComponentName is null"); 7420 synchronized (this) { 7421 // This API can only be called by an active device admin, 7422 // so try to retrieve it to check that the caller is one. 7423 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7424 7425 int userId = UserHandle.getCallingUserId(); 7426 long id = mInjector.binderClearCallingIdentity(); 7427 7428 try { 7429 if (VERBOSE_LOG) { 7430 Slog.v(LOG_TAG, "installing " + packageName + " for " 7431 + userId); 7432 } 7433 7434 int parentUserId = getProfileParentId(userId); 7435 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7436 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7437 } 7438 7439 // Install the app. 7440 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7441 7442 } catch (RemoteException re) { 7443 // shouldn't happen 7444 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7445 } finally { 7446 mInjector.binderRestoreCallingIdentity(id); 7447 } 7448 } 7449 } 7450 7451 @Override 7452 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7453 Preconditions.checkNotNull(who, "ComponentName is null"); 7454 synchronized (this) { 7455 // This API can only be called by an active device admin, 7456 // so try to retrieve it to check that the caller is one. 7457 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7458 7459 int userId = UserHandle.getCallingUserId(); 7460 long id = mInjector.binderClearCallingIdentity(); 7461 7462 try { 7463 int parentUserId = getProfileParentId(userId); 7464 List<ResolveInfo> activitiesToEnable = mIPackageManager 7465 .queryIntentActivities(intent, 7466 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7467 PackageManager.MATCH_DIRECT_BOOT_AWARE 7468 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7469 parentUserId) 7470 .getList(); 7471 7472 if (VERBOSE_LOG) { 7473 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7474 } 7475 int numberOfAppsInstalled = 0; 7476 if (activitiesToEnable != null) { 7477 for (ResolveInfo info : activitiesToEnable) { 7478 if (info.activityInfo != null) { 7479 String packageName = info.activityInfo.packageName; 7480 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7481 numberOfAppsInstalled++; 7482 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7483 } else { 7484 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7485 + " system app"); 7486 } 7487 } 7488 } 7489 } 7490 return numberOfAppsInstalled; 7491 } catch (RemoteException e) { 7492 // shouldn't happen 7493 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7494 return 0; 7495 } finally { 7496 mInjector.binderRestoreCallingIdentity(id); 7497 } 7498 } 7499 } 7500 7501 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7502 throws RemoteException { 7503 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 7504 userId); 7505 if (appInfo == null) { 7506 throw new IllegalArgumentException("The application " + packageName + 7507 " is not present on this device"); 7508 } 7509 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7510 } 7511 7512 @Override 7513 public void setAccountManagementDisabled(ComponentName who, String accountType, 7514 boolean disabled) { 7515 if (!mHasFeature) { 7516 return; 7517 } 7518 Preconditions.checkNotNull(who, "ComponentName is null"); 7519 synchronized (this) { 7520 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7521 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7522 if (disabled) { 7523 ap.accountTypesWithManagementDisabled.add(accountType); 7524 } else { 7525 ap.accountTypesWithManagementDisabled.remove(accountType); 7526 } 7527 saveSettingsLocked(UserHandle.getCallingUserId()); 7528 } 7529 } 7530 7531 @Override 7532 public String[] getAccountTypesWithManagementDisabled() { 7533 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7534 } 7535 7536 @Override 7537 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7538 enforceFullCrossUsersPermission(userId); 7539 if (!mHasFeature) { 7540 return null; 7541 } 7542 synchronized (this) { 7543 DevicePolicyData policy = getUserData(userId); 7544 final int N = policy.mAdminList.size(); 7545 ArraySet<String> resultSet = new ArraySet<>(); 7546 for (int i = 0; i < N; i++) { 7547 ActiveAdmin admin = policy.mAdminList.get(i); 7548 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7549 } 7550 return resultSet.toArray(new String[resultSet.size()]); 7551 } 7552 } 7553 7554 @Override 7555 public void setUninstallBlocked(ComponentName who, String packageName, 7556 boolean uninstallBlocked) { 7557 Preconditions.checkNotNull(who, "ComponentName is null"); 7558 final int userId = UserHandle.getCallingUserId(); 7559 synchronized (this) { 7560 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7561 7562 long id = mInjector.binderClearCallingIdentity(); 7563 try { 7564 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7565 } catch (RemoteException re) { 7566 // Shouldn't happen. 7567 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7568 } finally { 7569 mInjector.binderRestoreCallingIdentity(id); 7570 } 7571 } 7572 } 7573 7574 @Override 7575 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7576 // This function should return true if and only if the package is blocked by 7577 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7578 // when the package is a system app, or when it is an active device admin. 7579 final int userId = UserHandle.getCallingUserId(); 7580 7581 synchronized (this) { 7582 if (who != null) { 7583 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7584 } 7585 7586 long id = mInjector.binderClearCallingIdentity(); 7587 try { 7588 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7589 } catch (RemoteException re) { 7590 // Shouldn't happen. 7591 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7592 } finally { 7593 mInjector.binderRestoreCallingIdentity(id); 7594 } 7595 } 7596 return false; 7597 } 7598 7599 @Override 7600 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7601 if (!mHasFeature) { 7602 return; 7603 } 7604 Preconditions.checkNotNull(who, "ComponentName is null"); 7605 synchronized (this) { 7606 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7607 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7608 if (admin.disableCallerId != disabled) { 7609 admin.disableCallerId = disabled; 7610 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7611 } 7612 } 7613 } 7614 7615 @Override 7616 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7617 if (!mHasFeature) { 7618 return false; 7619 } 7620 Preconditions.checkNotNull(who, "ComponentName is null"); 7621 synchronized (this) { 7622 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7623 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7624 return admin.disableCallerId; 7625 } 7626 } 7627 7628 @Override 7629 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 7630 enforceCrossUsersPermission(userId); 7631 synchronized (this) { 7632 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7633 return (admin != null) ? admin.disableCallerId : false; 7634 } 7635 } 7636 7637 @Override 7638 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 7639 if (!mHasFeature) { 7640 return; 7641 } 7642 Preconditions.checkNotNull(who, "ComponentName is null"); 7643 synchronized (this) { 7644 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7645 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7646 if (admin.disableContactsSearch != disabled) { 7647 admin.disableContactsSearch = disabled; 7648 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7649 } 7650 } 7651 } 7652 7653 @Override 7654 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 7655 if (!mHasFeature) { 7656 return false; 7657 } 7658 Preconditions.checkNotNull(who, "ComponentName is null"); 7659 synchronized (this) { 7660 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7661 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7662 return admin.disableContactsSearch; 7663 } 7664 } 7665 7666 @Override 7667 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 7668 enforceCrossUsersPermission(userId); 7669 synchronized (this) { 7670 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7671 return (admin != null) ? admin.disableContactsSearch : false; 7672 } 7673 } 7674 7675 @Override 7676 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 7677 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 7678 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 7679 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 7680 final int callingUserId = UserHandle.getCallingUserId(); 7681 7682 final long ident = mInjector.binderClearCallingIdentity(); 7683 try { 7684 synchronized (this) { 7685 final int managedUserId = getManagedUserId(callingUserId); 7686 if (managedUserId < 0) { 7687 return; 7688 } 7689 if (isCrossProfileQuickContactDisabled(managedUserId)) { 7690 if (VERBOSE_LOG) { 7691 Log.v(LOG_TAG, 7692 "Cross-profile contacts access disabled for user " + managedUserId); 7693 } 7694 return; 7695 } 7696 ContactsInternal.startQuickContactWithErrorToastForUser( 7697 mContext, intent, new UserHandle(managedUserId)); 7698 } 7699 } finally { 7700 mInjector.binderRestoreCallingIdentity(ident); 7701 } 7702 } 7703 7704 /** 7705 * @return true if cross-profile QuickContact is disabled 7706 */ 7707 private boolean isCrossProfileQuickContactDisabled(int userId) { 7708 return getCrossProfileCallerIdDisabledForUser(userId) 7709 && getCrossProfileContactsSearchDisabledForUser(userId); 7710 } 7711 7712 /** 7713 * @return the user ID of the managed user that is linked to the current user, if any. 7714 * Otherwise -1. 7715 */ 7716 public int getManagedUserId(int callingUserId) { 7717 if (VERBOSE_LOG) { 7718 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 7719 } 7720 7721 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 7722 if (ui.id == callingUserId || !ui.isManagedProfile()) { 7723 continue; // Caller user self, or not a managed profile. Skip. 7724 } 7725 if (VERBOSE_LOG) { 7726 Log.v(LOG_TAG, "Managed user=" + ui.id); 7727 } 7728 return ui.id; 7729 } 7730 if (VERBOSE_LOG) { 7731 Log.v(LOG_TAG, "Managed user not found."); 7732 } 7733 return -1; 7734 } 7735 7736 @Override 7737 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 7738 if (!mHasFeature) { 7739 return; 7740 } 7741 Preconditions.checkNotNull(who, "ComponentName is null"); 7742 synchronized (this) { 7743 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7744 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7745 if (admin.disableBluetoothContactSharing != disabled) { 7746 admin.disableBluetoothContactSharing = disabled; 7747 saveSettingsLocked(UserHandle.getCallingUserId()); 7748 } 7749 } 7750 } 7751 7752 @Override 7753 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 7754 if (!mHasFeature) { 7755 return false; 7756 } 7757 Preconditions.checkNotNull(who, "ComponentName is null"); 7758 synchronized (this) { 7759 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7760 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7761 return admin.disableBluetoothContactSharing; 7762 } 7763 } 7764 7765 @Override 7766 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 7767 // TODO: Should there be a check to make sure this relationship is 7768 // within a profile group? 7769 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 7770 synchronized (this) { 7771 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7772 return (admin != null) ? admin.disableBluetoothContactSharing : false; 7773 } 7774 } 7775 7776 /** 7777 * Sets which packages may enter lock task mode. 7778 * 7779 * <p>This function can only be called by the device owner or alternatively by the profile owner 7780 * in case the user is affiliated. 7781 * 7782 * @param packages The list of packages allowed to enter lock task mode. 7783 */ 7784 @Override 7785 public void setLockTaskPackages(ComponentName who, String[] packages) 7786 throws SecurityException { 7787 Preconditions.checkNotNull(who, "ComponentName is null"); 7788 synchronized (this) { 7789 ActiveAdmin deviceOwner = getActiveAdminWithPolicyForUidLocked( 7790 who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, mInjector.binderGetCallingUid()); 7791 ActiveAdmin profileOwner = getActiveAdminWithPolicyForUidLocked( 7792 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()); 7793 if (deviceOwner != null || (profileOwner != null && isAffiliatedUser())) { 7794 int userHandle = mInjector.userHandleGetCallingUserId(); 7795 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 7796 } else { 7797 throw new SecurityException("Admin " + who + 7798 " is neither the device owner or affiliated user's profile owner."); 7799 } 7800 } 7801 } 7802 7803 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 7804 DevicePolicyData policy = getUserData(userHandle); 7805 policy.mLockTaskPackages = packages; 7806 7807 // Store the settings persistently. 7808 saveSettingsLocked(userHandle); 7809 updateLockTaskPackagesLocked(packages, userHandle); 7810 } 7811 7812 /** 7813 * This function returns the list of components allowed to start the task lock mode. 7814 */ 7815 @Override 7816 public String[] getLockTaskPackages(ComponentName who) { 7817 Preconditions.checkNotNull(who, "ComponentName is null"); 7818 synchronized (this) { 7819 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7820 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7821 final List<String> packages = getLockTaskPackagesLocked(userHandle); 7822 return packages.toArray(new String[packages.size()]); 7823 } 7824 } 7825 7826 private List<String> getLockTaskPackagesLocked(int userHandle) { 7827 final DevicePolicyData policy = getUserData(userHandle); 7828 return policy.mLockTaskPackages; 7829 } 7830 7831 /** 7832 * This function lets the caller know whether the given package is allowed to start the 7833 * lock task mode. 7834 * @param pkg The package to check 7835 */ 7836 @Override 7837 public boolean isLockTaskPermitted(String pkg) { 7838 // Get current user's devicepolicy 7839 int uid = mInjector.binderGetCallingUid(); 7840 int userHandle = UserHandle.getUserId(uid); 7841 DevicePolicyData policy = getUserData(userHandle); 7842 synchronized (this) { 7843 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 7844 String lockTaskPackage = policy.mLockTaskPackages.get(i); 7845 7846 // If the given package equals one of the packages stored our list, 7847 // we allow this package to start lock task mode. 7848 if (lockTaskPackage.equals(pkg)) { 7849 return true; 7850 } 7851 } 7852 } 7853 return false; 7854 } 7855 7856 @Override 7857 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 7858 if (!isCallerWithSystemUid()) { 7859 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 7860 } 7861 synchronized (this) { 7862 final DevicePolicyData policy = getUserData(userHandle); 7863 Bundle adminExtras = new Bundle(); 7864 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 7865 for (ActiveAdmin admin : policy.mAdminList) { 7866 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 7867 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 7868 if (ownsDevice || ownsProfile) { 7869 if (isEnabled) { 7870 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 7871 adminExtras, null); 7872 } else { 7873 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 7874 } 7875 } 7876 } 7877 } 7878 } 7879 7880 @Override 7881 public void setGlobalSetting(ComponentName who, String setting, String value) { 7882 Preconditions.checkNotNull(who, "ComponentName is null"); 7883 7884 synchronized (this) { 7885 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7886 7887 // Some settings are no supported any more. However we do not want to throw a 7888 // SecurityException to avoid breaking apps. 7889 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 7890 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 7891 return; 7892 } 7893 7894 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 7895 throw new SecurityException(String.format( 7896 "Permission denial: device owners cannot update %1$s", setting)); 7897 } 7898 7899 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 7900 // ignore if it contradicts an existing policy 7901 long timeMs = getMaximumTimeToLock( 7902 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 7903 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 7904 return; 7905 } 7906 } 7907 7908 long id = mInjector.binderClearCallingIdentity(); 7909 try { 7910 mInjector.settingsGlobalPutString(setting, value); 7911 } finally { 7912 mInjector.binderRestoreCallingIdentity(id); 7913 } 7914 } 7915 } 7916 7917 @Override 7918 public void setSecureSetting(ComponentName who, String setting, String value) { 7919 Preconditions.checkNotNull(who, "ComponentName is null"); 7920 int callingUserId = mInjector.userHandleGetCallingUserId(); 7921 7922 synchronized (this) { 7923 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7924 7925 if (isDeviceOwner(who, callingUserId)) { 7926 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 7927 throw new SecurityException(String.format( 7928 "Permission denial: Device owners cannot update %1$s", setting)); 7929 } 7930 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 7931 throw new SecurityException(String.format( 7932 "Permission denial: Profile owners cannot update %1$s", setting)); 7933 } 7934 7935 long id = mInjector.binderClearCallingIdentity(); 7936 try { 7937 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 7938 } finally { 7939 mInjector.binderRestoreCallingIdentity(id); 7940 } 7941 } 7942 } 7943 7944 @Override 7945 public void setMasterVolumeMuted(ComponentName who, boolean on) { 7946 Preconditions.checkNotNull(who, "ComponentName is null"); 7947 synchronized (this) { 7948 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7949 setUserRestriction(who, UserManager.DISALLLOW_UNMUTE_DEVICE, on); 7950 } 7951 } 7952 7953 @Override 7954 public boolean isMasterVolumeMuted(ComponentName who) { 7955 Preconditions.checkNotNull(who, "ComponentName is null"); 7956 synchronized (this) { 7957 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7958 7959 AudioManager audioManager = 7960 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 7961 return audioManager.isMasterMute(); 7962 } 7963 } 7964 7965 @Override 7966 public void setUserIcon(ComponentName who, Bitmap icon) { 7967 synchronized (this) { 7968 Preconditions.checkNotNull(who, "ComponentName is null"); 7969 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7970 7971 int userId = UserHandle.getCallingUserId(); 7972 long id = mInjector.binderClearCallingIdentity(); 7973 try { 7974 mUserManagerInternal.setUserIcon(userId, icon); 7975 } finally { 7976 mInjector.binderRestoreCallingIdentity(id); 7977 } 7978 } 7979 } 7980 7981 @Override 7982 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 7983 Preconditions.checkNotNull(who, "ComponentName is null"); 7984 synchronized (this) { 7985 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7986 } 7987 final int userId = UserHandle.getCallingUserId(); 7988 7989 long ident = mInjector.binderClearCallingIdentity(); 7990 try { 7991 // disallow disabling the keyguard if a password is currently set 7992 if (disabled && mLockPatternUtils.isSecure(userId)) { 7993 return false; 7994 } 7995 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 7996 } finally { 7997 mInjector.binderRestoreCallingIdentity(ident); 7998 } 7999 return true; 8000 } 8001 8002 @Override 8003 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8004 int userId = UserHandle.getCallingUserId(); 8005 synchronized (this) { 8006 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8007 DevicePolicyData policy = getUserData(userId); 8008 if (policy.mStatusBarDisabled != disabled) { 8009 if (!setStatusBarDisabledInternal(disabled, userId)) { 8010 return false; 8011 } 8012 policy.mStatusBarDisabled = disabled; 8013 saveSettingsLocked(userId); 8014 } 8015 } 8016 return true; 8017 } 8018 8019 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8020 long ident = mInjector.binderClearCallingIdentity(); 8021 try { 8022 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8023 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8024 if (statusBarService != null) { 8025 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8026 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8027 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8028 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8029 return true; 8030 } 8031 } catch (RemoteException e) { 8032 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8033 } finally { 8034 mInjector.binderRestoreCallingIdentity(ident); 8035 } 8036 return false; 8037 } 8038 8039 /** 8040 * We need to update the internal state of whether a user has completed setup once. After 8041 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 8042 * as we don't trust any apps that might try to reset it. 8043 * <p> 8044 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8045 * them. 8046 */ 8047 void updateUserSetupComplete() { 8048 List<UserInfo> users = mUserManager.getUsers(true); 8049 final int N = users.size(); 8050 for (int i = 0; i < N; i++) { 8051 int userHandle = users.get(i).id; 8052 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8053 userHandle) != 0) { 8054 DevicePolicyData policy = getUserData(userHandle); 8055 if (!policy.mUserSetupComplete) { 8056 policy.mUserSetupComplete = true; 8057 synchronized (this) { 8058 saveSettingsLocked(userHandle); 8059 } 8060 } 8061 } 8062 } 8063 } 8064 8065 private class SetupContentObserver extends ContentObserver { 8066 8067 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8068 Settings.Secure.USER_SETUP_COMPLETE); 8069 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8070 Settings.Global.DEVICE_PROVISIONED); 8071 8072 public SetupContentObserver(Handler handler) { 8073 super(handler); 8074 } 8075 8076 void register() { 8077 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8078 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8079 } 8080 8081 @Override 8082 public void onChange(boolean selfChange, Uri uri) { 8083 if (mUserSetupComplete.equals(uri)) { 8084 updateUserSetupComplete(); 8085 } else if (mDeviceProvisioned.equals(uri)) { 8086 synchronized (DevicePolicyManagerService.this) { 8087 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8088 // is delayed until device is marked as provisioned. 8089 setDeviceOwnerSystemPropertyLocked(); 8090 } 8091 } 8092 } 8093 } 8094 8095 @VisibleForTesting 8096 final class LocalService extends DevicePolicyManagerInternal { 8097 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8098 8099 @Override 8100 public List<String> getCrossProfileWidgetProviders(int profileId) { 8101 synchronized (DevicePolicyManagerService.this) { 8102 if (mOwners == null) { 8103 return Collections.emptyList(); 8104 } 8105 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8106 if (ownerComponent == null) { 8107 return Collections.emptyList(); 8108 } 8109 8110 DevicePolicyData policy = getUserDataUnchecked(profileId); 8111 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8112 8113 if (admin == null || admin.crossProfileWidgetProviders == null 8114 || admin.crossProfileWidgetProviders.isEmpty()) { 8115 return Collections.emptyList(); 8116 } 8117 8118 return admin.crossProfileWidgetProviders; 8119 } 8120 } 8121 8122 @Override 8123 public void addOnCrossProfileWidgetProvidersChangeListener( 8124 OnCrossProfileWidgetProvidersChangeListener listener) { 8125 synchronized (DevicePolicyManagerService.this) { 8126 if (mWidgetProviderListeners == null) { 8127 mWidgetProviderListeners = new ArrayList<>(); 8128 } 8129 if (!mWidgetProviderListeners.contains(listener)) { 8130 mWidgetProviderListeners.add(listener); 8131 } 8132 } 8133 } 8134 8135 @Override 8136 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8137 synchronized(DevicePolicyManagerService.this) { 8138 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8139 } 8140 } 8141 8142 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8143 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8144 synchronized (DevicePolicyManagerService.this) { 8145 listeners = new ArrayList<>(mWidgetProviderListeners); 8146 } 8147 final int listenerCount = listeners.size(); 8148 for (int i = 0; i < listenerCount; i++) { 8149 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8150 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8151 } 8152 } 8153 8154 @Override 8155 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 8156 // This method is called from AM with its lock held, so don't take the DPMS lock. 8157 // b/29242568 8158 8159 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8160 if (profileOwner != null) { 8161 return createShowAdminSupportIntent(profileOwner, userId); 8162 } 8163 8164 final Pair<Integer, ComponentName> deviceOwner = 8165 mOwners.getDeviceOwnerUserIdAndComponent(); 8166 if (deviceOwner != null && deviceOwner.first == userId) { 8167 return createShowAdminSupportIntent(deviceOwner.second, userId); 8168 } 8169 8170 // We're not specifying the device admin because there isn't one. 8171 if (useDefaultIfNoAdmin) { 8172 return createShowAdminSupportIntent(null, userId); 8173 } 8174 return null; 8175 } 8176 8177 @Override 8178 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 8179 int source; 8180 long ident = mInjector.binderClearCallingIdentity(); 8181 try { 8182 source = mUserManager.getUserRestrictionSource(userRestriction, 8183 UserHandle.of(userId)); 8184 } finally { 8185 mInjector.binderRestoreCallingIdentity(ident); 8186 } 8187 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 8188 /* 8189 * In this case, the user restriction is enforced by the system. 8190 * So we won't show an admin support intent, even if it is also 8191 * enforced by a profile/device owner. 8192 */ 8193 return null; 8194 } 8195 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 8196 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 8197 if (enforcedByDo && enforcedByPo) { 8198 // In this case, we'll show an admin support dialog that does not 8199 // specify the admin. 8200 return createShowAdminSupportIntent(null, userId); 8201 } else if (enforcedByPo) { 8202 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8203 if (profileOwner != null) { 8204 return createShowAdminSupportIntent(profileOwner, userId); 8205 } 8206 // This could happen if another thread has changed the profile owner since we called 8207 // getUserRestrictionSource 8208 return null; 8209 } else if (enforcedByDo) { 8210 final Pair<Integer, ComponentName> deviceOwner 8211 = mOwners.getDeviceOwnerUserIdAndComponent(); 8212 if (deviceOwner != null) { 8213 return createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 8214 } 8215 // This could happen if another thread has changed the device owner since we called 8216 // getUserRestrictionSource 8217 return null; 8218 } 8219 return null; 8220 } 8221 8222 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 8223 // This method is called with AMS lock held, so don't take DPMS lock 8224 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8225 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8226 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 8227 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8228 return intent; 8229 } 8230 } 8231 8232 /** 8233 * Returns true if specified admin is allowed to limit passwords and has a 8234 * {@code passwordQuality} of at least {@code minPasswordQuality} 8235 */ 8236 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8237 if (admin.passwordQuality < minPasswordQuality) { 8238 return false; 8239 } 8240 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8241 } 8242 8243 @Override 8244 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8245 if (policy != null && !policy.isValid()) { 8246 throw new IllegalArgumentException("Invalid system update policy."); 8247 } 8248 synchronized (this) { 8249 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8250 if (policy == null) { 8251 mOwners.clearSystemUpdatePolicy(); 8252 } else { 8253 mOwners.setSystemUpdatePolicy(policy); 8254 } 8255 mOwners.writeDeviceOwner(); 8256 } 8257 mContext.sendBroadcastAsUser( 8258 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8259 UserHandle.SYSTEM); 8260 } 8261 8262 @Override 8263 public SystemUpdatePolicy getSystemUpdatePolicy() { 8264 if (UserManager.isDeviceInDemoMode(mContext)) { 8265 // Pretending to have an automatic update policy when the device is in retail demo 8266 // mode. This will allow the device to download and install an ota without 8267 // any user interaction. 8268 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 8269 } 8270 synchronized (this) { 8271 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8272 if (policy != null && !policy.isValid()) { 8273 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8274 return null; 8275 } 8276 return policy; 8277 } 8278 } 8279 8280 /** 8281 * Checks if the caller of the method is the device owner app. 8282 * 8283 * @param callerUid UID of the caller. 8284 * @return true if the caller is the device owner app 8285 */ 8286 @VisibleForTesting 8287 boolean isCallerDeviceOwner(int callerUid) { 8288 synchronized (this) { 8289 if (!mOwners.hasDeviceOwner()) { 8290 return false; 8291 } 8292 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8293 return false; 8294 } 8295 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8296 .getPackageName(); 8297 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 8298 8299 for (String pkg : pkgs) { 8300 if (deviceOwnerPackageName.equals(pkg)) { 8301 return true; 8302 } 8303 } 8304 } 8305 8306 return false; 8307 } 8308 8309 @Override 8310 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8311 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8312 "Only the system update service can broadcast update information"); 8313 8314 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8315 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8316 "can broadcast update information."); 8317 return; 8318 } 8319 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8320 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8321 updateReceivedTime); 8322 8323 synchronized (this) { 8324 final String deviceOwnerPackage = 8325 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 8326 : null; 8327 if (deviceOwnerPackage == null) { 8328 return; 8329 } 8330 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 8331 8332 ActivityInfo[] receivers = null; 8333 try { 8334 receivers = mContext.getPackageManager().getPackageInfo( 8335 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 8336 } catch (NameNotFoundException e) { 8337 Log.e(LOG_TAG, "Cannot find device owner package", e); 8338 } 8339 if (receivers != null) { 8340 long ident = mInjector.binderClearCallingIdentity(); 8341 try { 8342 for (int i = 0; i < receivers.length; i++) { 8343 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 8344 intent.setComponent(new ComponentName(deviceOwnerPackage, 8345 receivers[i].name)); 8346 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8347 } 8348 } 8349 } finally { 8350 mInjector.binderRestoreCallingIdentity(ident); 8351 } 8352 } 8353 } 8354 } 8355 8356 @Override 8357 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8358 int userId = UserHandle.getCallingUserId(); 8359 synchronized (this) { 8360 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8361 DevicePolicyData userPolicy = getUserData(userId); 8362 if (userPolicy.mPermissionPolicy != policy) { 8363 userPolicy.mPermissionPolicy = policy; 8364 saveSettingsLocked(userId); 8365 } 8366 } 8367 } 8368 8369 @Override 8370 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8371 int userId = UserHandle.getCallingUserId(); 8372 synchronized (this) { 8373 DevicePolicyData userPolicy = getUserData(userId); 8374 return userPolicy.mPermissionPolicy; 8375 } 8376 } 8377 8378 @Override 8379 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8380 String permission, int grantState) throws RemoteException { 8381 UserHandle user = mInjector.binderGetCallingUserHandle(); 8382 synchronized (this) { 8383 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8384 long ident = mInjector.binderClearCallingIdentity(); 8385 try { 8386 if (getTargetSdk(packageName, user.getIdentifier()) 8387 < android.os.Build.VERSION_CODES.M) { 8388 return false; 8389 } 8390 final PackageManager packageManager = mContext.getPackageManager(); 8391 switch (grantState) { 8392 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8393 packageManager.grantRuntimePermission(packageName, permission, user); 8394 packageManager.updatePermissionFlags(permission, packageName, 8395 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8396 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8397 } break; 8398 8399 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8400 packageManager.revokeRuntimePermission(packageName, 8401 permission, user); 8402 packageManager.updatePermissionFlags(permission, packageName, 8403 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8404 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8405 } break; 8406 8407 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8408 packageManager.updatePermissionFlags(permission, packageName, 8409 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8410 } break; 8411 } 8412 return true; 8413 } catch (SecurityException se) { 8414 return false; 8415 } finally { 8416 mInjector.binderRestoreCallingIdentity(ident); 8417 } 8418 } 8419 } 8420 8421 @Override 8422 public int getPermissionGrantState(ComponentName admin, String packageName, 8423 String permission) throws RemoteException { 8424 PackageManager packageManager = mContext.getPackageManager(); 8425 8426 UserHandle user = mInjector.binderGetCallingUserHandle(); 8427 synchronized (this) { 8428 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8429 long ident = mInjector.binderClearCallingIdentity(); 8430 try { 8431 int granted = mIPackageManager.checkPermission(permission, 8432 packageName, user.getIdentifier()); 8433 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8434 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8435 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8436 // Not controlled by policy 8437 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8438 } else { 8439 // Policy controlled so return result based on permission grant state 8440 return granted == PackageManager.PERMISSION_GRANTED 8441 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8442 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8443 } 8444 } finally { 8445 mInjector.binderRestoreCallingIdentity(ident); 8446 } 8447 } 8448 } 8449 8450 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8451 try { 8452 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8453 userHandle); 8454 return (pi != null) && (pi.applicationInfo.flags != 0); 8455 } catch (RemoteException re) { 8456 throw new RuntimeException("Package manager has died", re); 8457 } 8458 } 8459 8460 @Override 8461 public boolean isProvisioningAllowed(String action) { 8462 if (!mHasFeature) { 8463 return false; 8464 } 8465 8466 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8467 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 8468 if (!hasFeatureManagedUsers()) { 8469 return false; 8470 } 8471 synchronized (this) { 8472 if (mOwners.hasDeviceOwner()) { 8473 if (!mInjector.userManagerIsSplitSystemUser()) { 8474 // Only split-system-user systems support managed-profiles in combination with 8475 // device-owner. 8476 return false; 8477 } 8478 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 8479 // Only system device-owner supports managed-profiles. Non-system device-owner 8480 // doesn't. 8481 return false; 8482 } 8483 if (callingUserId == UserHandle.USER_SYSTEM) { 8484 // Managed-profiles cannot be setup on the system user, only regular users. 8485 return false; 8486 } 8487 } 8488 } 8489 if (getProfileOwner(callingUserId) != null) { 8490 // Managed user cannot have a managed profile. 8491 return false; 8492 } 8493 final long ident = mInjector.binderClearCallingIdentity(); 8494 try { 8495 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 8496 return false; 8497 } 8498 } finally { 8499 mInjector.binderRestoreCallingIdentity(ident); 8500 } 8501 return true; 8502 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 8503 return isDeviceOwnerProvisioningAllowed(callingUserId); 8504 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 8505 if (!hasFeatureManagedUsers()) { 8506 return false; 8507 } 8508 if (!mInjector.userManagerIsSplitSystemUser()) { 8509 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 8510 return false; 8511 } 8512 if (callingUserId == UserHandle.USER_SYSTEM) { 8513 // System user cannot be a managed user. 8514 return false; 8515 } 8516 if (hasUserSetupCompleted(callingUserId)) { 8517 return false; 8518 } 8519 return true; 8520 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 8521 if (!mInjector.userManagerIsSplitSystemUser()) { 8522 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 8523 return false; 8524 } 8525 return isDeviceOwnerProvisioningAllowed(callingUserId); 8526 } 8527 throw new IllegalArgumentException("Unknown provisioning action " + action); 8528 } 8529 8530 /* 8531 * The device owner can only be set before the setup phase of the primary user has completed, 8532 * except for adb command if no accounts or additional users are present on the device. 8533 */ 8534 private synchronized @DeviceOwnerPreConditionCode int checkSetDeviceOwnerPreCondition( 8535 int deviceOwnerUserId, boolean isAdb) { 8536 if (mOwners.hasDeviceOwner()) { 8537 return CODE_HAS_DEVICE_OWNER; 8538 } 8539 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8540 return CODE_USER_HAS_PROFILE_OWNER; 8541 } 8542 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8543 return CODE_USER_NOT_RUNNING; 8544 } 8545 if (isAdb) { 8546 // if shell command runs after user setup completed check device status. Otherwise, OK. 8547 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8548 if (!mInjector.userManagerIsSplitSystemUser()) { 8549 if (mUserManager.getUserCount() > 1) { 8550 return CODE_NONSYSTEM_USER_EXISTS; 8551 } 8552 if (AccountManager.get(mContext).getAccounts().length > 0) { 8553 return CODE_ACCOUNTS_NOT_EMPTY; 8554 } 8555 } else { 8556 // STOPSHIP Do proper check in split user mode 8557 } 8558 } 8559 return CODE_OK; 8560 } else { 8561 if (!mInjector.userManagerIsSplitSystemUser()) { 8562 // In non-split user mode, DO has to be user 0 8563 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8564 return CODE_NOT_SYSTEM_USER; 8565 } 8566 // In non-split user mode, only provision DO before setup wizard completes 8567 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8568 return CODE_USER_SETUP_COMPLETED; 8569 } 8570 } else { 8571 // STOPSHIP Do proper check in split user mode 8572 } 8573 return CODE_OK; 8574 } 8575 } 8576 8577 private boolean isDeviceOwnerProvisioningAllowed(int deviceOwnerUserId) { 8578 return CODE_OK == checkSetDeviceOwnerPreCondition(deviceOwnerUserId, /* isAdb */ false); 8579 } 8580 8581 private boolean hasFeatureManagedUsers() { 8582 try { 8583 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 8584 } catch (RemoteException e) { 8585 return false; 8586 } 8587 } 8588 8589 @Override 8590 public String getWifiMacAddress(ComponentName admin) { 8591 // Make sure caller has DO. 8592 synchronized (this) { 8593 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8594 } 8595 8596 final long ident = mInjector.binderClearCallingIdentity(); 8597 try { 8598 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 8599 if (wifiInfo == null) { 8600 return null; 8601 } 8602 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 8603 } finally { 8604 mInjector.binderRestoreCallingIdentity(ident); 8605 } 8606 } 8607 8608 /** 8609 * Returns the target sdk version number that the given packageName was built for 8610 * in the given user. 8611 */ 8612 private int getTargetSdk(String packageName, int userId) { 8613 final ApplicationInfo ai; 8614 try { 8615 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 8616 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 8617 return targetSdkVersion; 8618 } catch (RemoteException e) { 8619 // Shouldn't happen 8620 return 0; 8621 } 8622 } 8623 8624 @Override 8625 public boolean isManagedProfile(ComponentName admin) { 8626 synchronized (this) { 8627 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8628 } 8629 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8630 final UserInfo user = getUserInfo(callingUserId); 8631 return user != null && user.isManagedProfile(); 8632 } 8633 8634 @Override 8635 public boolean isSystemOnlyUser(ComponentName admin) { 8636 synchronized (this) { 8637 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8638 } 8639 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8640 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 8641 } 8642 8643 @Override 8644 public void reboot(ComponentName admin) { 8645 Preconditions.checkNotNull(admin); 8646 // Make sure caller has DO. 8647 synchronized (this) { 8648 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8649 } 8650 long ident = mInjector.binderClearCallingIdentity(); 8651 try { 8652 // Make sure there are no ongoing calls on the device. 8653 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 8654 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 8655 } 8656 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 8657 } finally { 8658 mInjector.binderRestoreCallingIdentity(ident); 8659 } 8660 } 8661 8662 @Override 8663 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 8664 if (!mHasFeature) { 8665 return; 8666 } 8667 Preconditions.checkNotNull(who, "ComponentName is null"); 8668 final int userHandle = mInjector.userHandleGetCallingUserId(); 8669 synchronized (this) { 8670 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8671 mInjector.binderGetCallingUid()); 8672 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 8673 admin.shortSupportMessage = message; 8674 saveSettingsLocked(userHandle); 8675 } 8676 } 8677 } 8678 8679 @Override 8680 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 8681 if (!mHasFeature) { 8682 return null; 8683 } 8684 Preconditions.checkNotNull(who, "ComponentName is null"); 8685 synchronized (this) { 8686 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8687 mInjector.binderGetCallingUid()); 8688 return admin.shortSupportMessage; 8689 } 8690 } 8691 8692 @Override 8693 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 8694 if (!mHasFeature) { 8695 return; 8696 } 8697 Preconditions.checkNotNull(who, "ComponentName is null"); 8698 final int userHandle = mInjector.userHandleGetCallingUserId(); 8699 synchronized (this) { 8700 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8701 mInjector.binderGetCallingUid()); 8702 if (!TextUtils.equals(admin.longSupportMessage, message)) { 8703 admin.longSupportMessage = message; 8704 saveSettingsLocked(userHandle); 8705 } 8706 } 8707 } 8708 8709 @Override 8710 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 8711 if (!mHasFeature) { 8712 return null; 8713 } 8714 Preconditions.checkNotNull(who, "ComponentName is null"); 8715 synchronized (this) { 8716 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8717 mInjector.binderGetCallingUid()); 8718 return admin.longSupportMessage; 8719 } 8720 } 8721 8722 @Override 8723 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8724 if (!mHasFeature) { 8725 return null; 8726 } 8727 Preconditions.checkNotNull(who, "ComponentName is null"); 8728 if (!isCallerWithSystemUid()) { 8729 throw new SecurityException("Only the system can query support message for user"); 8730 } 8731 synchronized (this) { 8732 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8733 if (admin != null) { 8734 return admin.shortSupportMessage; 8735 } 8736 } 8737 return null; 8738 } 8739 8740 @Override 8741 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8742 if (!mHasFeature) { 8743 return null; 8744 } 8745 Preconditions.checkNotNull(who, "ComponentName is null"); 8746 if (!isCallerWithSystemUid()) { 8747 throw new SecurityException("Only the system can query support message for user"); 8748 } 8749 synchronized (this) { 8750 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8751 if (admin != null) { 8752 return admin.longSupportMessage; 8753 } 8754 } 8755 return null; 8756 } 8757 8758 @Override 8759 public void setOrganizationColor(@NonNull ComponentName who, int color) { 8760 if (!mHasFeature) { 8761 return; 8762 } 8763 Preconditions.checkNotNull(who, "ComponentName is null"); 8764 final int userHandle = mInjector.userHandleGetCallingUserId(); 8765 enforceManagedProfile(userHandle, "set organization color"); 8766 synchronized (this) { 8767 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8768 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8769 admin.organizationColor = color; 8770 saveSettingsLocked(userHandle); 8771 } 8772 } 8773 8774 @Override 8775 public void setOrganizationColorForUser(int color, int userId) { 8776 if (!mHasFeature) { 8777 return; 8778 } 8779 enforceFullCrossUsersPermission(userId); 8780 enforceManageUsers(); 8781 enforceManagedProfile(userId, "set organization color"); 8782 synchronized (this) { 8783 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8784 admin.organizationColor = color; 8785 saveSettingsLocked(userId); 8786 } 8787 } 8788 8789 @Override 8790 public int getOrganizationColor(@NonNull ComponentName who) { 8791 if (!mHasFeature) { 8792 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8793 } 8794 Preconditions.checkNotNull(who, "ComponentName is null"); 8795 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 8796 synchronized (this) { 8797 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8798 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8799 return admin.organizationColor; 8800 } 8801 } 8802 8803 @Override 8804 public int getOrganizationColorForUser(int userHandle) { 8805 if (!mHasFeature) { 8806 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8807 } 8808 enforceFullCrossUsersPermission(userHandle); 8809 enforceManagedProfile(userHandle, "get organization color"); 8810 synchronized (this) { 8811 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8812 return (profileOwner != null) 8813 ? profileOwner.organizationColor 8814 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 8815 } 8816 } 8817 8818 @Override 8819 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 8820 if (!mHasFeature) { 8821 return; 8822 } 8823 Preconditions.checkNotNull(who, "ComponentName is null"); 8824 final int userHandle = mInjector.userHandleGetCallingUserId(); 8825 enforceManagedProfile(userHandle, "set organization name"); 8826 synchronized (this) { 8827 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8828 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8829 if (!TextUtils.equals(admin.organizationName, text)) { 8830 admin.organizationName = (text == null || text.length() == 0) 8831 ? null : text.toString(); 8832 saveSettingsLocked(userHandle); 8833 } 8834 } 8835 } 8836 8837 @Override 8838 public CharSequence getOrganizationName(@NonNull ComponentName who) { 8839 if (!mHasFeature) { 8840 return null; 8841 } 8842 Preconditions.checkNotNull(who, "ComponentName is null"); 8843 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 8844 synchronized(this) { 8845 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8846 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8847 return admin.organizationName; 8848 } 8849 } 8850 8851 @Override 8852 public CharSequence getOrganizationNameForUser(int userHandle) { 8853 if (!mHasFeature) { 8854 return null; 8855 } 8856 enforceFullCrossUsersPermission(userHandle); 8857 enforceManagedProfile(userHandle, "get organization name"); 8858 synchronized (this) { 8859 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8860 return (profileOwner != null) 8861 ? profileOwner.organizationName 8862 : null; 8863 } 8864 } 8865 8866 @Override 8867 public void setAffiliationIds(ComponentName admin, List<String> ids) { 8868 final Set<String> affiliationIds = new ArraySet<String>(ids); 8869 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8870 8871 synchronized (this) { 8872 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8873 getUserData(callingUserId).mAffiliationIds = affiliationIds; 8874 saveSettingsLocked(callingUserId); 8875 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 8876 // Affiliation ids specified by the device owner are additionally stored in 8877 // UserHandle.USER_SYSTEM's DevicePolicyData. 8878 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 8879 saveSettingsLocked(UserHandle.USER_SYSTEM); 8880 } 8881 } 8882 } 8883 8884 @Override 8885 public boolean isAffiliatedUser() { 8886 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8887 8888 synchronized (this) { 8889 if (mOwners.getDeviceOwnerUserId() == callingUserId) { 8890 // The user that the DO is installed on is always affiliated. 8891 return true; 8892 } 8893 final ComponentName profileOwner = getProfileOwner(callingUserId); 8894 if (profileOwner == null 8895 || !profileOwner.getPackageName().equals(mOwners.getDeviceOwnerPackageName())) { 8896 return false; 8897 } 8898 final Set<String> userAffiliationIds = getUserData(callingUserId).mAffiliationIds; 8899 final Set<String> deviceAffiliationIds = 8900 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 8901 for (String id : userAffiliationIds) { 8902 if (deviceAffiliationIds.contains(id)) { 8903 return true; 8904 } 8905 } 8906 } 8907 return false; 8908 } 8909 8910 private synchronized void disableSecurityLoggingIfNotCompliant() { 8911 if (!isDeviceOwnerManagedSingleUserDevice()) { 8912 mInjector.securityLogSetLoggingEnabledProperty(false); 8913 Slog.w(LOG_TAG, "Security logging turned off as it's no longer a single user device."); 8914 } 8915 } 8916 8917 @Override 8918 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 8919 Preconditions.checkNotNull(admin); 8920 ensureDeviceOwnerManagingSingleUser(admin); 8921 8922 synchronized (this) { 8923 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 8924 return; 8925 } 8926 mInjector.securityLogSetLoggingEnabledProperty(enabled); 8927 if (enabled) { 8928 mSecurityLogMonitor.start(); 8929 } else { 8930 mSecurityLogMonitor.stop(); 8931 } 8932 } 8933 } 8934 8935 @Override 8936 public boolean isSecurityLoggingEnabled(ComponentName admin) { 8937 Preconditions.checkNotNull(admin); 8938 synchronized (this) { 8939 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8940 return mInjector.securityLogGetLoggingEnabledProperty(); 8941 } 8942 } 8943 8944 @Override 8945 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 8946 Preconditions.checkNotNull(admin); 8947 ensureDeviceOwnerManagingSingleUser(admin); 8948 8949 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs)) { 8950 return null; 8951 } 8952 8953 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 8954 try { 8955 SecurityLog.readPreviousEvents(output); 8956 return new ParceledListSlice<SecurityEvent>(output); 8957 } catch (IOException e) { 8958 Slog.w(LOG_TAG, "Fail to read previous events" , e); 8959 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 8960 } 8961 } 8962 8963 @Override 8964 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 8965 Preconditions.checkNotNull(admin); 8966 ensureDeviceOwnerManagingSingleUser(admin); 8967 8968 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 8969 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 8970 } 8971 8972 private void enforceCanManageDeviceAdmin() { 8973 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 8974 null); 8975 } 8976 8977 private void enforceCanManageProfileAndDeviceOwners() { 8978 mContext.enforceCallingOrSelfPermission( 8979 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 8980 } 8981 8982 @Override 8983 public boolean isUninstallInQueue(final String packageName) { 8984 enforceCanManageDeviceAdmin(); 8985 final int userId = mInjector.userHandleGetCallingUserId(); 8986 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 8987 synchronized (this) { 8988 return mPackagesToRemove.contains(packageUserPair); 8989 } 8990 } 8991 8992 @Override 8993 public void uninstallPackageWithActiveAdmins(final String packageName) { 8994 enforceCanManageDeviceAdmin(); 8995 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 8996 8997 final int userId = mInjector.userHandleGetCallingUserId(); 8998 8999 enforceUserUnlocked(userId); 9000 9001 final ComponentName profileOwner = getProfileOwner(userId); 9002 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 9003 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 9004 } 9005 9006 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 9007 if (getDeviceOwnerUserId() == userId && deviceOwner != null 9008 && packageName.equals(deviceOwner.getPackageName())) { 9009 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 9010 } 9011 9012 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9013 synchronized (this) { 9014 mPackagesToRemove.add(packageUserPair); 9015 } 9016 9017 // All active admins on the user. 9018 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 9019 9020 // Active admins in the target package. 9021 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 9022 if (allActiveAdmins != null) { 9023 for (ComponentName activeAdmin : allActiveAdmins) { 9024 if (packageName.equals(activeAdmin.getPackageName())) { 9025 packageActiveAdmins.add(activeAdmin); 9026 removeActiveAdmin(activeAdmin, userId); 9027 } 9028 } 9029 } 9030 if (packageActiveAdmins.size() == 0) { 9031 startUninstallIntent(packageName, userId); 9032 } else { 9033 mHandler.postDelayed(new Runnable() { 9034 @Override 9035 public void run() { 9036 for (ComponentName activeAdmin : packageActiveAdmins) { 9037 removeAdminArtifacts(activeAdmin, userId); 9038 } 9039 startUninstallIntent(packageName, userId); 9040 } 9041 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 9042 } 9043 } 9044 9045 @Override 9046 public boolean isDeviceProvisioned() { 9047 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 9048 } 9049 9050 private void removePackageIfRequired(final String packageName, final int userId) { 9051 if (!packageHasActiveAdmins(packageName, userId)) { 9052 // Will not do anything if uninstall was not requested or was already started. 9053 startUninstallIntent(packageName, userId); 9054 } 9055 } 9056 9057 private void startUninstallIntent(final String packageName, final int userId) { 9058 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9059 synchronized (this) { 9060 if (!mPackagesToRemove.contains(packageUserPair)) { 9061 // Do nothing if uninstall was not requested or was already started. 9062 return; 9063 } 9064 mPackagesToRemove.remove(packageUserPair); 9065 } 9066 try { 9067 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 9068 // Package does not exist. Nothing to do. 9069 return; 9070 } 9071 } catch (RemoteException re) { 9072 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 9073 } 9074 9075 try { // force stop the package before uninstalling 9076 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 9077 } catch (RemoteException re) { 9078 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 9079 } 9080 final Uri packageURI = Uri.parse("package:" + packageName); 9081 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9082 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9083 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9084 } 9085 9086 /** 9087 * Removes the admin from the policy. Ideally called after the admin's 9088 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9089 * 9090 * @param adminReceiver The admin to remove 9091 * @param userHandle The user for which this admin has to be removed. 9092 */ 9093 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9094 synchronized (this) { 9095 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9096 if (admin == null) { 9097 return; 9098 } 9099 final DevicePolicyData policy = getUserData(userHandle); 9100 final boolean doProxyCleanup = admin.info.usesPolicy( 9101 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9102 policy.mAdminList.remove(admin); 9103 policy.mAdminMap.remove(adminReceiver); 9104 validatePasswordOwnerLocked(policy); 9105 if (doProxyCleanup) { 9106 resetGlobalProxyLocked(policy); 9107 } 9108 saveSettingsLocked(userHandle); 9109 updateMaximumTimeToLockLocked(userHandle); 9110 policy.mRemovingAdmins.remove(adminReceiver); 9111 } 9112 // The removed admin might have disabled camera, so update user 9113 // restrictions. 9114 pushUserRestrictions(userHandle); 9115 } 9116 9117 @Override 9118 public void setDeviceProvisioningConfigApplied() { 9119 enforceManageUsers(); 9120 synchronized (this) { 9121 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9122 policy.mDeviceProvisioningConfigApplied = true; 9123 saveSettingsLocked(UserHandle.USER_SYSTEM); 9124 } 9125 } 9126 9127 @Override 9128 public boolean isDeviceProvisioningConfigApplied() { 9129 enforceManageUsers(); 9130 synchronized (this) { 9131 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9132 return policy.mDeviceProvisioningConfigApplied; 9133 } 9134 } 9135 9136 /** 9137 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 9138 * 9139 * It's added for testing only. Please use this API carefully if it's used by other system app 9140 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 9141 * apps. 9142 */ 9143 @Override 9144 public void forceUpdateUserSetupComplete() { 9145 enforceCanManageProfileAndDeviceOwners(); 9146 List<UserInfo> users = mUserManager.getUsers(true); 9147 final int N = users.size(); 9148 for (int i = 0; i < N; i++) { 9149 int userHandle = users.get(i).id; 9150 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 9151 Settings.Secure.USER_SETUP_COMPLETE, 0, userHandle) != 0; 9152 DevicePolicyData policy = getUserData(userHandle); 9153 policy.mUserSetupComplete = isUserCompleted; 9154 synchronized (this) { 9155 saveSettingsLocked(userHandle); 9156 } 9157 } 9158 } 9159} 9160