DevicePolicyManagerService.java revision feef989771c8b4393e0c742097390bc95c1ba4fb
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, boolean force) { 4563 if (wipeExtRequested) { 4564 StorageManager sm = (StorageManager) mContext.getSystemService( 4565 Context.STORAGE_SERVICE); 4566 sm.wipeAdoptableDisks(); 4567 } 4568 try { 4569 RecoverySystem.rebootWipeUserData(mContext, false /* shutdown */, reason, force); 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 // If the admin is the only one who has set the restriction: force wipe, even if 4605 // {@link UserManager.DISALLOW_FACTORY_RESET} is set. Reason is that the admin 4606 // could remove this user restriction anyway. 4607 boolean force = (userHandle == UserHandle.USER_SYSTEM) 4608 && isAdminOnlyOneWhoSetRestriction(admin, 4609 UserManager.DISALLOW_FACTORY_RESET, UserHandle.USER_SYSTEM); 4610 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4611 "DevicePolicyManager.wipeData() from " + source, force); 4612 } finally { 4613 mInjector.binderRestoreCallingIdentity(ident); 4614 } 4615 } 4616 } 4617 4618 private boolean isAdminOnlyOneWhoSetRestriction(ActiveAdmin admin, String userRestriction, 4619 int userId) { 4620 int source = mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId)); 4621 if (isDeviceOwner(admin.info.getComponent(), userId)) { 4622 return source == UserManager.RESTRICTION_SOURCE_DEVICE_OWNER; 4623 } else if (isProfileOwner(admin.info.getComponent(), userId)) { 4624 return source == UserManager.RESTRICTION_SOURCE_PROFILE_OWNER; 4625 } 4626 return false; 4627 } 4628 4629 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, 4630 String reason, boolean force) { 4631 if (userHandle == UserHandle.USER_SYSTEM) { 4632 wipeDataLocked(wipeExtRequested, reason, force); 4633 } else { 4634 mHandler.post(new Runnable() { 4635 @Override 4636 public void run() { 4637 try { 4638 IActivityManager am = mInjector.getIActivityManager(); 4639 if (am.getCurrentUser().id == userHandle) { 4640 am.switchUser(UserHandle.USER_SYSTEM); 4641 } 4642 4643 boolean isManagedProfile = isManagedProfile(userHandle); 4644 if (!mUserManager.removeUser(userHandle)) { 4645 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4646 } else if (isManagedProfile) { 4647 sendWipeProfileNotification(); 4648 } 4649 } catch (RemoteException re) { 4650 // Shouldn't happen 4651 } 4652 } 4653 }); 4654 } 4655 } 4656 4657 private void sendWipeProfileNotification() { 4658 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4659 Notification notification = new Notification.Builder(mContext) 4660 .setSmallIcon(android.R.drawable.stat_sys_warning) 4661 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4662 .setContentText(contentText) 4663 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4664 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4665 .build(); 4666 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4667 } 4668 4669 private void clearWipeProfileNotification() { 4670 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4671 } 4672 4673 @Override 4674 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4675 if (!mHasFeature) { 4676 return; 4677 } 4678 enforceFullCrossUsersPermission(userHandle); 4679 mContext.enforceCallingOrSelfPermission( 4680 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4681 4682 synchronized (this) { 4683 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4684 if (admin == null) { 4685 result.sendResult(null); 4686 return; 4687 } 4688 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4689 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4690 intent.setComponent(admin.info.getComponent()); 4691 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4692 null, new BroadcastReceiver() { 4693 @Override 4694 public void onReceive(Context context, Intent intent) { 4695 result.sendResult(getResultExtras(false)); 4696 } 4697 }, null, Activity.RESULT_OK, null, null); 4698 } 4699 } 4700 4701 @Override 4702 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4703 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4704 if (!mHasFeature) { 4705 return; 4706 } 4707 enforceFullCrossUsersPermission(userHandle); 4708 4709 // Managed Profile password can only be changed when it has a separate challenge. 4710 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4711 enforceNotManagedProfile(userHandle, "set the active password"); 4712 } 4713 4714 mContext.enforceCallingOrSelfPermission( 4715 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4716 validateQualityConstant(quality); 4717 4718 DevicePolicyData policy = getUserData(userHandle); 4719 4720 long ident = mInjector.binderClearCallingIdentity(); 4721 try { 4722 synchronized (this) { 4723 policy.mActivePasswordQuality = quality; 4724 policy.mActivePasswordLength = length; 4725 policy.mActivePasswordLetters = letters; 4726 policy.mActivePasswordLowerCase = lowercase; 4727 policy.mActivePasswordUpperCase = uppercase; 4728 policy.mActivePasswordNumeric = numbers; 4729 policy.mActivePasswordSymbols = symbols; 4730 policy.mActivePasswordNonLetter = nonletter; 4731 policy.mFailedPasswordAttempts = 0; 4732 saveSettingsLocked(userHandle); 4733 updatePasswordExpirationsLocked(userHandle); 4734 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 4735 4736 // Send a broadcast to each profile using this password as its primary unlock. 4737 sendAdminCommandForLockscreenPoliciesLocked( 4738 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4739 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4740 } 4741 removeCaApprovalsIfNeeded(userHandle); 4742 } finally { 4743 mInjector.binderRestoreCallingIdentity(ident); 4744 } 4745 } 4746 4747 /** 4748 * Called any time the device password is updated. Resets all password expiration clocks. 4749 */ 4750 private void updatePasswordExpirationsLocked(int userHandle) { 4751 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4752 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4753 userHandle, /* parent */ false); 4754 final int N = admins.size(); 4755 for (int i = 0; i < N; i++) { 4756 ActiveAdmin admin = admins.get(i); 4757 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4758 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4759 long timeout = admin.passwordExpirationTimeout; 4760 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4761 admin.passwordExpirationDate = expiration; 4762 } 4763 } 4764 for (int affectedUserId : affectedUserIds) { 4765 saveSettingsLocked(affectedUserId); 4766 } 4767 } 4768 4769 @Override 4770 public void reportFailedPasswordAttempt(int userHandle) { 4771 enforceFullCrossUsersPermission(userHandle); 4772 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4773 enforceNotManagedProfile(userHandle, 4774 "report failed password attempt if separate profile challenge is not in place"); 4775 } 4776 mContext.enforceCallingOrSelfPermission( 4777 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4778 4779 final long ident = mInjector.binderClearCallingIdentity(); 4780 try { 4781 boolean wipeData = false; 4782 int identifier = 0; 4783 synchronized (this) { 4784 DevicePolicyData policy = getUserData(userHandle); 4785 policy.mFailedPasswordAttempts++; 4786 saveSettingsLocked(userHandle); 4787 if (mHasFeature) { 4788 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4789 userHandle, /* parent */ false); 4790 int max = strictestAdmin != null 4791 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4792 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4793 // Wipe the user/profile associated with the policy that was violated. This 4794 // is not necessarily calling user: if the policy that fired was from a 4795 // managed profile rather than the main user profile, we wipe former only. 4796 wipeData = true; 4797 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4798 } 4799 4800 sendAdminCommandForLockscreenPoliciesLocked( 4801 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4802 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4803 } 4804 } 4805 if (wipeData) { 4806 // Call without holding lock. 4807 wipeDeviceOrUserLocked(false, identifier, 4808 "reportFailedPasswordAttempt()", false); 4809 } 4810 } finally { 4811 mInjector.binderRestoreCallingIdentity(ident); 4812 } 4813 4814 if (mInjector.securityLogIsLoggingEnabled()) { 4815 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4816 /*method strength*/ 1); 4817 } 4818 } 4819 4820 @Override 4821 public void reportSuccessfulPasswordAttempt(int userHandle) { 4822 enforceFullCrossUsersPermission(userHandle); 4823 mContext.enforceCallingOrSelfPermission( 4824 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4825 4826 synchronized (this) { 4827 DevicePolicyData policy = getUserData(userHandle); 4828 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4829 long ident = mInjector.binderClearCallingIdentity(); 4830 try { 4831 policy.mFailedPasswordAttempts = 0; 4832 policy.mPasswordOwner = -1; 4833 saveSettingsLocked(userHandle); 4834 if (mHasFeature) { 4835 sendAdminCommandForLockscreenPoliciesLocked( 4836 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4837 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4838 } 4839 } finally { 4840 mInjector.binderRestoreCallingIdentity(ident); 4841 } 4842 } 4843 } 4844 4845 if (mInjector.securityLogIsLoggingEnabled()) { 4846 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4847 /*method strength*/ 1); 4848 } 4849 } 4850 4851 @Override 4852 public void reportFailedFingerprintAttempt(int userHandle) { 4853 enforceFullCrossUsersPermission(userHandle); 4854 mContext.enforceCallingOrSelfPermission( 4855 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4856 if (mInjector.securityLogIsLoggingEnabled()) { 4857 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4858 /*method strength*/ 0); 4859 } 4860 } 4861 4862 @Override 4863 public void reportSuccessfulFingerprintAttempt(int userHandle) { 4864 enforceFullCrossUsersPermission(userHandle); 4865 mContext.enforceCallingOrSelfPermission( 4866 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4867 if (mInjector.securityLogIsLoggingEnabled()) { 4868 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4869 /*method strength*/ 0); 4870 } 4871 } 4872 4873 @Override 4874 public void reportKeyguardDismissed(int userHandle) { 4875 enforceFullCrossUsersPermission(userHandle); 4876 mContext.enforceCallingOrSelfPermission( 4877 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4878 4879 if (mInjector.securityLogIsLoggingEnabled()) { 4880 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 4881 } 4882 } 4883 4884 @Override 4885 public void reportKeyguardSecured(int userHandle) { 4886 enforceFullCrossUsersPermission(userHandle); 4887 mContext.enforceCallingOrSelfPermission( 4888 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4889 4890 if (mInjector.securityLogIsLoggingEnabled()) { 4891 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 4892 } 4893 } 4894 4895 @Override 4896 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 4897 String exclusionList) { 4898 if (!mHasFeature) { 4899 return null; 4900 } 4901 synchronized(this) { 4902 Preconditions.checkNotNull(who, "ComponentName is null"); 4903 4904 // Only check if system user has set global proxy. We don't allow other users to set it. 4905 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4906 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4907 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 4908 4909 // Scan through active admins and find if anyone has already 4910 // set the global proxy. 4911 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 4912 for (ComponentName component : compSet) { 4913 ActiveAdmin ap = policy.mAdminMap.get(component); 4914 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 4915 // Another admin already sets the global proxy 4916 // Return it to the caller. 4917 return component; 4918 } 4919 } 4920 4921 // If the user is not system, don't set the global proxy. Fail silently. 4922 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 4923 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 4924 + UserHandle.getCallingUserId() + " is not permitted."); 4925 return null; 4926 } 4927 if (proxySpec == null) { 4928 admin.specifiesGlobalProxy = false; 4929 admin.globalProxySpec = null; 4930 admin.globalProxyExclusionList = null; 4931 } else { 4932 4933 admin.specifiesGlobalProxy = true; 4934 admin.globalProxySpec = proxySpec; 4935 admin.globalProxyExclusionList = exclusionList; 4936 } 4937 4938 // Reset the global proxy accordingly 4939 // Do this using system permissions, as apps cannot write to secure settings 4940 long origId = mInjector.binderClearCallingIdentity(); 4941 try { 4942 resetGlobalProxyLocked(policy); 4943 } finally { 4944 mInjector.binderRestoreCallingIdentity(origId); 4945 } 4946 return null; 4947 } 4948 } 4949 4950 @Override 4951 public ComponentName getGlobalProxyAdmin(int userHandle) { 4952 if (!mHasFeature) { 4953 return null; 4954 } 4955 enforceFullCrossUsersPermission(userHandle); 4956 synchronized(this) { 4957 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 4958 // Scan through active admins and find if anyone has already 4959 // set the global proxy. 4960 final int N = policy.mAdminList.size(); 4961 for (int i = 0; i < N; i++) { 4962 ActiveAdmin ap = policy.mAdminList.get(i); 4963 if (ap.specifiesGlobalProxy) { 4964 // Device admin sets the global proxy 4965 // Return it to the caller. 4966 return ap.info.getComponent(); 4967 } 4968 } 4969 } 4970 // No device admin sets the global proxy. 4971 return null; 4972 } 4973 4974 @Override 4975 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 4976 synchronized (this) { 4977 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4978 } 4979 long token = mInjector.binderClearCallingIdentity(); 4980 try { 4981 ConnectivityManager connectivityManager = (ConnectivityManager) 4982 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4983 connectivityManager.setGlobalProxy(proxyInfo); 4984 } finally { 4985 mInjector.binderRestoreCallingIdentity(token); 4986 } 4987 } 4988 4989 private void resetGlobalProxyLocked(DevicePolicyData policy) { 4990 final int N = policy.mAdminList.size(); 4991 for (int i = 0; i < N; i++) { 4992 ActiveAdmin ap = policy.mAdminList.get(i); 4993 if (ap.specifiesGlobalProxy) { 4994 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 4995 return; 4996 } 4997 } 4998 // No device admins defining global proxies - reset global proxy settings to none 4999 saveGlobalProxyLocked(null, null); 5000 } 5001 5002 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5003 if (exclusionList == null) { 5004 exclusionList = ""; 5005 } 5006 if (proxySpec == null) { 5007 proxySpec = ""; 5008 } 5009 // Remove white spaces 5010 proxySpec = proxySpec.trim(); 5011 String data[] = proxySpec.split(":"); 5012 int proxyPort = 8080; 5013 if (data.length > 1) { 5014 try { 5015 proxyPort = Integer.parseInt(data[1]); 5016 } catch (NumberFormatException e) {} 5017 } 5018 exclusionList = exclusionList.trim(); 5019 5020 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5021 if (!proxyProperties.isValid()) { 5022 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5023 return; 5024 } 5025 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5026 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5027 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5028 exclusionList); 5029 } 5030 5031 /** 5032 * Set the storage encryption request for a single admin. Returns the new total request 5033 * status (for all admins). 5034 */ 5035 @Override 5036 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5037 if (!mHasFeature) { 5038 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5039 } 5040 Preconditions.checkNotNull(who, "ComponentName is null"); 5041 final int userHandle = UserHandle.getCallingUserId(); 5042 synchronized (this) { 5043 // Check for permissions 5044 // Only system user can set storage encryption 5045 if (userHandle != UserHandle.USER_SYSTEM) { 5046 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5047 + UserHandle.getCallingUserId() + " is not permitted."); 5048 return 0; 5049 } 5050 5051 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5052 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5053 5054 // Quick exit: If the filesystem does not support encryption, we can exit early. 5055 if (!isEncryptionSupported()) { 5056 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5057 } 5058 5059 // (1) Record the value for the admin so it's sticky 5060 if (ap.encryptionRequested != encrypt) { 5061 ap.encryptionRequested = encrypt; 5062 saveSettingsLocked(userHandle); 5063 } 5064 5065 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5066 // (2) Compute "max" for all admins 5067 boolean newRequested = false; 5068 final int N = policy.mAdminList.size(); 5069 for (int i = 0; i < N; i++) { 5070 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5071 } 5072 5073 // Notify OS of new request 5074 setEncryptionRequested(newRequested); 5075 5076 // Return the new global request status 5077 return newRequested 5078 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5079 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5080 } 5081 } 5082 5083 /** 5084 * Get the current storage encryption request status for a given admin, or aggregate of all 5085 * active admins. 5086 */ 5087 @Override 5088 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5089 if (!mHasFeature) { 5090 return false; 5091 } 5092 enforceFullCrossUsersPermission(userHandle); 5093 synchronized (this) { 5094 // Check for permissions if a particular caller is specified 5095 if (who != null) { 5096 // When checking for a single caller, status is based on caller's request 5097 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5098 return ap != null ? ap.encryptionRequested : false; 5099 } 5100 5101 // If no particular caller is specified, return the aggregate set of requests. 5102 // This is short circuited by returning true on the first hit. 5103 DevicePolicyData policy = getUserData(userHandle); 5104 final int N = policy.mAdminList.size(); 5105 for (int i = 0; i < N; i++) { 5106 if (policy.mAdminList.get(i).encryptionRequested) { 5107 return true; 5108 } 5109 } 5110 return false; 5111 } 5112 } 5113 5114 /** 5115 * Get the current encryption status of the device. 5116 */ 5117 @Override 5118 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5119 if (!mHasFeature) { 5120 // Ok to return current status. 5121 } 5122 enforceFullCrossUsersPermission(userHandle); 5123 5124 // It's not critical here, but let's make sure the package name is correct, in case 5125 // we start using it for different purposes. 5126 ensureCallerPackage(callerPackage); 5127 5128 final ApplicationInfo ai; 5129 try { 5130 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5131 } catch (RemoteException e) { 5132 throw new SecurityException(e); 5133 } 5134 5135 boolean legacyApp = false; 5136 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5137 legacyApp = true; 5138 } 5139 5140 final int rawStatus = getEncryptionStatus(); 5141 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5142 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5143 } 5144 return rawStatus; 5145 } 5146 5147 /** 5148 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5149 */ 5150 private boolean isEncryptionSupported() { 5151 // Note, this can be implemented as 5152 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5153 // But is provided as a separate internal method if there's a faster way to do a 5154 // simple check for supported-or-not. 5155 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5156 } 5157 5158 /** 5159 * Hook to low-levels: Reporting the current status of encryption. 5160 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5161 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5162 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5163 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5164 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5165 */ 5166 private int getEncryptionStatus() { 5167 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5168 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5169 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5170 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5171 } else if (mInjector.storageManagerIsEncrypted()) { 5172 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5173 } else if (mInjector.storageManagerIsEncryptable()) { 5174 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5175 } else { 5176 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5177 } 5178 } 5179 5180 /** 5181 * Hook to low-levels: If needed, record the new admin setting for encryption. 5182 */ 5183 private void setEncryptionRequested(boolean encrypt) { 5184 } 5185 5186 /** 5187 * Set whether the screen capture is disabled for the user managed by the specified admin. 5188 */ 5189 @Override 5190 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5191 if (!mHasFeature) { 5192 return; 5193 } 5194 Preconditions.checkNotNull(who, "ComponentName is null"); 5195 final int userHandle = UserHandle.getCallingUserId(); 5196 synchronized (this) { 5197 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5198 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5199 if (ap.disableScreenCapture != disabled) { 5200 ap.disableScreenCapture = disabled; 5201 saveSettingsLocked(userHandle); 5202 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5203 } 5204 } 5205 } 5206 5207 /** 5208 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5209 * active admin (if given admin is null). 5210 */ 5211 @Override 5212 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5213 if (!mHasFeature) { 5214 return false; 5215 } 5216 synchronized (this) { 5217 if (who != null) { 5218 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5219 return (admin != null) ? admin.disableScreenCapture : false; 5220 } 5221 5222 DevicePolicyData policy = getUserData(userHandle); 5223 final int N = policy.mAdminList.size(); 5224 for (int i = 0; i < N; i++) { 5225 ActiveAdmin admin = policy.mAdminList.get(i); 5226 if (admin.disableScreenCapture) { 5227 return true; 5228 } 5229 } 5230 return false; 5231 } 5232 } 5233 5234 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5235 final boolean disabled) { 5236 mHandler.post(new Runnable() { 5237 @Override 5238 public void run() { 5239 try { 5240 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5241 } catch (RemoteException e) { 5242 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5243 } 5244 } 5245 }); 5246 } 5247 5248 /** 5249 * Set whether auto time is required by the specified admin (must be device owner). 5250 */ 5251 @Override 5252 public void setAutoTimeRequired(ComponentName who, boolean required) { 5253 if (!mHasFeature) { 5254 return; 5255 } 5256 Preconditions.checkNotNull(who, "ComponentName is null"); 5257 final int userHandle = UserHandle.getCallingUserId(); 5258 synchronized (this) { 5259 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5260 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5261 if (admin.requireAutoTime != required) { 5262 admin.requireAutoTime = required; 5263 saveSettingsLocked(userHandle); 5264 } 5265 } 5266 5267 // Turn AUTO_TIME on in settings if it is required 5268 if (required) { 5269 long ident = mInjector.binderClearCallingIdentity(); 5270 try { 5271 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5272 } finally { 5273 mInjector.binderRestoreCallingIdentity(ident); 5274 } 5275 } 5276 } 5277 5278 /** 5279 * Returns whether or not auto time is required by the device owner. 5280 */ 5281 @Override 5282 public boolean getAutoTimeRequired() { 5283 if (!mHasFeature) { 5284 return false; 5285 } 5286 synchronized (this) { 5287 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5288 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5289 } 5290 } 5291 5292 @Override 5293 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5294 if (!mHasFeature) { 5295 return; 5296 } 5297 Preconditions.checkNotNull(who, "ComponentName is null"); 5298 // Allow setting this policy to true only if there is a split system user. 5299 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5300 throw new UnsupportedOperationException( 5301 "Cannot force ephemeral users on systems without split system user."); 5302 } 5303 boolean removeAllUsers = false; 5304 synchronized (this) { 5305 final ActiveAdmin deviceOwner = 5306 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5307 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5308 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5309 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5310 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5311 removeAllUsers = forceEphemeralUsers; 5312 } 5313 } 5314 if (removeAllUsers) { 5315 long identitity = mInjector.binderClearCallingIdentity(); 5316 try { 5317 mUserManagerInternal.removeAllUsers(); 5318 } finally { 5319 mInjector.binderRestoreCallingIdentity(identitity); 5320 } 5321 } 5322 } 5323 5324 @Override 5325 public boolean getForceEphemeralUsers(ComponentName who) { 5326 if (!mHasFeature) { 5327 return false; 5328 } 5329 Preconditions.checkNotNull(who, "ComponentName is null"); 5330 synchronized (this) { 5331 final ActiveAdmin deviceOwner = 5332 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5333 return deviceOwner.forceEphemeralUsers; 5334 } 5335 } 5336 5337 private boolean isDeviceOwnerManagedSingleUserDevice() { 5338 synchronized (this) { 5339 if (!mOwners.hasDeviceOwner()) { 5340 return false; 5341 } 5342 } 5343 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5344 try { 5345 if (mInjector.userManagerIsSplitSystemUser()) { 5346 // In split system user mode, only allow the case where the device owner is managing 5347 // the only non-system user of the device 5348 return (mUserManager.getUserCount() == 2 5349 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5350 } else { 5351 return mUserManager.getUserCount() == 1; 5352 } 5353 } finally { 5354 mInjector.binderRestoreCallingIdentity(callingIdentity); 5355 } 5356 } 5357 5358 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5359 synchronized (this) { 5360 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5361 } 5362 if (!isDeviceOwnerManagedSingleUserDevice()) { 5363 throw new SecurityException( 5364 "There should only be one user, managed by Device Owner"); 5365 } 5366 } 5367 5368 @Override 5369 public boolean requestBugreport(ComponentName who) { 5370 if (!mHasFeature) { 5371 return false; 5372 } 5373 Preconditions.checkNotNull(who, "ComponentName is null"); 5374 ensureDeviceOwnerManagingSingleUser(who); 5375 5376 if (mRemoteBugreportServiceIsActive.get() 5377 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5378 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5379 return false; 5380 } 5381 5382 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5383 try { 5384 ActivityManagerNative.getDefault().requestBugReport( 5385 ActivityManager.BUGREPORT_OPTION_REMOTE); 5386 5387 mRemoteBugreportServiceIsActive.set(true); 5388 mRemoteBugreportSharingAccepted.set(false); 5389 registerRemoteBugreportReceivers(); 5390 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5391 RemoteBugreportUtils.buildNotification(mContext, 5392 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5393 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5394 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5395 return true; 5396 } catch (RemoteException re) { 5397 // should never happen 5398 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5399 return false; 5400 } finally { 5401 mInjector.binderRestoreCallingIdentity(callingIdentity); 5402 } 5403 } 5404 5405 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5406 Intent intent = new Intent(action); 5407 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5408 if (extras != null) { 5409 intent.putExtras(extras); 5410 } 5411 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5412 } 5413 5414 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5415 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5416 } 5417 5418 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5419 String bugreportHash) { 5420 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5421 } 5422 5423 private void registerRemoteBugreportReceivers() { 5424 try { 5425 IntentFilter filterFinished = new IntentFilter( 5426 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5427 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5428 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5429 } catch (IntentFilter.MalformedMimeTypeException e) { 5430 // should never happen, as setting a constant 5431 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5432 } 5433 IntentFilter filterConsent = new IntentFilter(); 5434 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5435 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5436 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5437 } 5438 5439 private void onBugreportFinished(Intent intent) { 5440 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5441 mRemoteBugreportServiceIsActive.set(false); 5442 Uri bugreportUri = intent.getData(); 5443 String bugreportUriString = null; 5444 if (bugreportUri != null) { 5445 bugreportUriString = bugreportUri.toString(); 5446 } 5447 String bugreportHash = intent.getStringExtra( 5448 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5449 if (mRemoteBugreportSharingAccepted.get()) { 5450 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5451 mInjector.getNotificationManager().cancel(LOG_TAG, 5452 RemoteBugreportUtils.NOTIFICATION_ID); 5453 } else { 5454 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5455 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5456 RemoteBugreportUtils.buildNotification(mContext, 5457 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5458 UserHandle.ALL); 5459 } 5460 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5461 } 5462 5463 private void onBugreportFailed() { 5464 mRemoteBugreportServiceIsActive.set(false); 5465 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5466 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5467 mRemoteBugreportSharingAccepted.set(false); 5468 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5469 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5470 Bundle extras = new Bundle(); 5471 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5472 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5473 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5474 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5475 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5476 } 5477 5478 private void onBugreportSharingAccepted() { 5479 mRemoteBugreportSharingAccepted.set(true); 5480 String bugreportUriString = null; 5481 String bugreportHash = null; 5482 synchronized (this) { 5483 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5484 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5485 } 5486 if (bugreportUriString != null) { 5487 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5488 } else if (mRemoteBugreportServiceIsActive.get()) { 5489 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5490 RemoteBugreportUtils.buildNotification(mContext, 5491 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5492 UserHandle.ALL); 5493 } 5494 } 5495 5496 private void onBugreportSharingDeclined() { 5497 if (mRemoteBugreportServiceIsActive.get()) { 5498 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5499 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5500 mRemoteBugreportServiceIsActive.set(false); 5501 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5502 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5503 } 5504 mRemoteBugreportSharingAccepted.set(false); 5505 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5506 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5507 } 5508 5509 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5510 String bugreportHash) { 5511 ParcelFileDescriptor pfd = null; 5512 try { 5513 if (bugreportUriString == null) { 5514 throw new FileNotFoundException(); 5515 } 5516 Uri bugreportUri = Uri.parse(bugreportUriString); 5517 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5518 5519 synchronized (this) { 5520 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5521 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5522 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5523 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5524 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5525 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5526 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5527 } 5528 } catch (FileNotFoundException e) { 5529 Bundle extras = new Bundle(); 5530 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5531 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5532 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5533 } finally { 5534 try { 5535 if (pfd != null) { 5536 pfd.close(); 5537 } 5538 } catch (IOException ex) { 5539 // Ignore 5540 } 5541 mRemoteBugreportSharingAccepted.set(false); 5542 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5543 } 5544 } 5545 5546 /** 5547 * Disables all device cameras according to the specified admin. 5548 */ 5549 @Override 5550 public void setCameraDisabled(ComponentName who, boolean disabled) { 5551 if (!mHasFeature) { 5552 return; 5553 } 5554 Preconditions.checkNotNull(who, "ComponentName is null"); 5555 final int userHandle = mInjector.userHandleGetCallingUserId(); 5556 synchronized (this) { 5557 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5558 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5559 if (ap.disableCamera != disabled) { 5560 ap.disableCamera = disabled; 5561 saveSettingsLocked(userHandle); 5562 } 5563 } 5564 // Tell the user manager that the restrictions have changed. 5565 pushUserRestrictions(userHandle); 5566 } 5567 5568 /** 5569 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5570 * active admins. 5571 */ 5572 @Override 5573 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5574 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5575 } 5576 5577 private boolean getCameraDisabled(ComponentName who, int userHandle, 5578 boolean mergeDeviceOwnerRestriction) { 5579 if (!mHasFeature) { 5580 return false; 5581 } 5582 synchronized (this) { 5583 if (who != null) { 5584 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5585 return (admin != null) ? admin.disableCamera : false; 5586 } 5587 // First, see if DO has set it. If so, it's device-wide. 5588 if (mergeDeviceOwnerRestriction) { 5589 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5590 if (deviceOwner != null && deviceOwner.disableCamera) { 5591 return true; 5592 } 5593 } 5594 5595 // Then check each device admin on the user. 5596 DevicePolicyData policy = getUserData(userHandle); 5597 // Determine whether or not the device camera is disabled for any active admins. 5598 final int N = policy.mAdminList.size(); 5599 for (int i = 0; i < N; i++) { 5600 ActiveAdmin admin = policy.mAdminList.get(i); 5601 if (admin.disableCamera) { 5602 return true; 5603 } 5604 } 5605 return false; 5606 } 5607 } 5608 5609 @Override 5610 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5611 if (!mHasFeature) { 5612 return; 5613 } 5614 Preconditions.checkNotNull(who, "ComponentName is null"); 5615 final int userHandle = mInjector.userHandleGetCallingUserId(); 5616 if (isManagedProfile(userHandle)) { 5617 if (parent) { 5618 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5619 } else { 5620 which = which & PROFILE_KEYGUARD_FEATURES; 5621 } 5622 } 5623 synchronized (this) { 5624 ActiveAdmin ap = getActiveAdminForCallerLocked( 5625 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5626 if (ap.disabledKeyguardFeatures != which) { 5627 ap.disabledKeyguardFeatures = which; 5628 saveSettingsLocked(userHandle); 5629 } 5630 } 5631 } 5632 5633 /** 5634 * Gets the disabled state for features in keyguard for the given admin, 5635 * or the aggregate of all active admins if who is null. 5636 */ 5637 @Override 5638 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5639 if (!mHasFeature) { 5640 return 0; 5641 } 5642 enforceFullCrossUsersPermission(userHandle); 5643 final long ident = mInjector.binderClearCallingIdentity(); 5644 try { 5645 synchronized (this) { 5646 if (who != null) { 5647 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5648 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5649 } 5650 5651 final List<ActiveAdmin> admins; 5652 if (!parent && isManagedProfile(userHandle)) { 5653 // If we are being asked about a managed profile, just return keyguard features 5654 // disabled by admins in the profile. 5655 admins = getUserDataUnchecked(userHandle).mAdminList; 5656 } else { 5657 // Otherwise return those set by admins in the user and its profiles. 5658 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5659 } 5660 5661 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5662 final int N = admins.size(); 5663 for (int i = 0; i < N; i++) { 5664 ActiveAdmin admin = admins.get(i); 5665 int userId = admin.getUserHandle().getIdentifier(); 5666 boolean isRequestedUser = !parent && (userId == userHandle); 5667 if (isRequestedUser || !isManagedProfile(userId)) { 5668 // If we are being asked explicitly about this user 5669 // return all disabled features even if its a managed profile. 5670 which |= admin.disabledKeyguardFeatures; 5671 } else { 5672 // Otherwise a managed profile is only allowed to disable 5673 // some features on the parent user. 5674 which |= (admin.disabledKeyguardFeatures 5675 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5676 } 5677 } 5678 return which; 5679 } 5680 } finally { 5681 mInjector.binderRestoreCallingIdentity(ident); 5682 } 5683 } 5684 5685 @Override 5686 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5687 if (!mHasFeature) { 5688 return; 5689 } 5690 Preconditions.checkNotNull(who, "ComponentName is null"); 5691 Preconditions.checkNotNull(packageList, "packageList is null"); 5692 final int userHandle = UserHandle.getCallingUserId(); 5693 synchronized (this) { 5694 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5695 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5696 admin.keepUninstalledPackages = packageList; 5697 saveSettingsLocked(userHandle); 5698 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5699 } 5700 } 5701 5702 @Override 5703 public List<String> getKeepUninstalledPackages(ComponentName who) { 5704 Preconditions.checkNotNull(who, "ComponentName is null"); 5705 if (!mHasFeature) { 5706 return null; 5707 } 5708 // TODO In split system user mode, allow apps on user 0 to query the list 5709 synchronized (this) { 5710 // Check if this is the device owner who is calling 5711 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5712 return getKeepUninstalledPackagesLocked(); 5713 } 5714 } 5715 5716 private List<String> getKeepUninstalledPackagesLocked() { 5717 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5718 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5719 } 5720 5721 @Override 5722 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5723 if (!mHasFeature) { 5724 return false; 5725 } 5726 if (admin == null 5727 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5728 throw new IllegalArgumentException("Invalid component " + admin 5729 + " for device owner"); 5730 } 5731 synchronized (this) { 5732 enforceCanSetDeviceOwnerLocked(userId); 5733 if (getActiveAdminUncheckedLocked(admin, userId) == null 5734 || getUserData(userId).mRemovingAdmins.contains(admin)) { 5735 throw new IllegalArgumentException("Not active admin: " + admin); 5736 } 5737 5738 // Shutting down backup manager service permanently. 5739 long ident = mInjector.binderClearCallingIdentity(); 5740 try { 5741 if (mInjector.getIBackupManager() != null) { 5742 mInjector.getIBackupManager() 5743 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5744 } 5745 } catch (RemoteException e) { 5746 throw new IllegalStateException("Failed deactivating backup service.", e); 5747 } finally { 5748 mInjector.binderRestoreCallingIdentity(ident); 5749 } 5750 5751 mOwners.setDeviceOwner(admin, ownerName, userId); 5752 mOwners.writeDeviceOwner(); 5753 updateDeviceOwnerLocked(); 5754 setDeviceOwnerSystemPropertyLocked(); 5755 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5756 5757 ident = mInjector.binderClearCallingIdentity(); 5758 try { 5759 // TODO Send to system too? 5760 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5761 } finally { 5762 mInjector.binderRestoreCallingIdentity(ident); 5763 } 5764 return true; 5765 } 5766 } 5767 5768 public boolean isDeviceOwner(ComponentName who, int userId) { 5769 synchronized (this) { 5770 return mOwners.hasDeviceOwner() 5771 && mOwners.getDeviceOwnerUserId() == userId 5772 && mOwners.getDeviceOwnerComponent().equals(who); 5773 } 5774 } 5775 5776 public boolean isProfileOwner(ComponentName who, int userId) { 5777 final ComponentName profileOwner = getProfileOwner(userId); 5778 return who != null && who.equals(profileOwner); 5779 } 5780 5781 @Override 5782 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5783 if (!mHasFeature) { 5784 return null; 5785 } 5786 if (!callingUserOnly) { 5787 enforceManageUsers(); 5788 } 5789 synchronized (this) { 5790 if (!mOwners.hasDeviceOwner()) { 5791 return null; 5792 } 5793 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5794 mOwners.getDeviceOwnerUserId()) { 5795 return null; 5796 } 5797 return mOwners.getDeviceOwnerComponent(); 5798 } 5799 } 5800 5801 @Override 5802 public int getDeviceOwnerUserId() { 5803 if (!mHasFeature) { 5804 return UserHandle.USER_NULL; 5805 } 5806 enforceManageUsers(); 5807 synchronized (this) { 5808 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5809 } 5810 } 5811 5812 /** 5813 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5814 * MANAGE_USERS. 5815 */ 5816 @Override 5817 public String getDeviceOwnerName() { 5818 if (!mHasFeature) { 5819 return null; 5820 } 5821 enforceManageUsers(); 5822 synchronized (this) { 5823 if (!mOwners.hasDeviceOwner()) { 5824 return null; 5825 } 5826 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5827 // Should setDeviceOwner/ProfileOwner still take a name? 5828 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5829 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5830 } 5831 } 5832 5833 // Returns the active device owner or null if there is no device owner. 5834 @VisibleForTesting 5835 ActiveAdmin getDeviceOwnerAdminLocked() { 5836 ComponentName component = mOwners.getDeviceOwnerComponent(); 5837 if (component == null) { 5838 return null; 5839 } 5840 5841 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5842 final int n = policy.mAdminList.size(); 5843 for (int i = 0; i < n; i++) { 5844 ActiveAdmin admin = policy.mAdminList.get(i); 5845 if (component.equals(admin.info.getComponent())) { 5846 return admin; 5847 } 5848 } 5849 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5850 return null; 5851 } 5852 5853 @Override 5854 public void clearDeviceOwner(String packageName) { 5855 Preconditions.checkNotNull(packageName, "packageName is null"); 5856 final int callingUid = mInjector.binderGetCallingUid(); 5857 try { 5858 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 5859 UserHandle.getUserId(callingUid)); 5860 if (uid != callingUid) { 5861 throw new SecurityException("Invalid packageName"); 5862 } 5863 } catch (NameNotFoundException e) { 5864 throw new SecurityException(e); 5865 } 5866 synchronized (this) { 5867 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 5868 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 5869 if (!mOwners.hasDeviceOwner() 5870 || !deviceOwnerComponent.getPackageName().equals(packageName) 5871 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 5872 throw new SecurityException( 5873 "clearDeviceOwner can only be called by the device owner"); 5874 } 5875 enforceUserUnlocked(deviceOwnerUserId); 5876 5877 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 5878 long ident = mInjector.binderClearCallingIdentity(); 5879 try { 5880 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 5881 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 5882 } finally { 5883 mInjector.binderRestoreCallingIdentity(ident); 5884 } 5885 } 5886 } 5887 5888 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 5889 if (admin != null) { 5890 admin.disableCamera = false; 5891 admin.userRestrictions = null; 5892 admin.forceEphemeralUsers = false; 5893 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 5894 } 5895 clearUserPoliciesLocked(userId); 5896 5897 mOwners.clearDeviceOwner(); 5898 mOwners.writeDeviceOwner(); 5899 updateDeviceOwnerLocked(); 5900 disableSecurityLoggingIfNotCompliant(); 5901 try { 5902 if (mInjector.getIBackupManager() != null) { 5903 // Reactivate backup service. 5904 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 5905 } 5906 } catch (RemoteException e) { 5907 throw new IllegalStateException("Failed reactivating backup service.", e); 5908 } 5909 } 5910 5911 @Override 5912 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 5913 if (!mHasFeature) { 5914 return false; 5915 } 5916 if (who == null 5917 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 5918 throw new IllegalArgumentException("Component " + who 5919 + " not installed for userId:" + userHandle); 5920 } 5921 synchronized (this) { 5922 enforceCanSetProfileOwnerLocked(userHandle); 5923 5924 if (getActiveAdminUncheckedLocked(who, userHandle) == null 5925 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 5926 throw new IllegalArgumentException("Not active admin: " + who); 5927 } 5928 5929 mOwners.setProfileOwner(who, ownerName, userHandle); 5930 mOwners.writeProfileOwner(userHandle); 5931 return true; 5932 } 5933 } 5934 5935 @Override 5936 public void clearProfileOwner(ComponentName who) { 5937 if (!mHasFeature) { 5938 return; 5939 } 5940 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 5941 final int userId = callingUser.getIdentifier(); 5942 enforceNotManagedProfile(userId, "clear profile owner"); 5943 enforceUserUnlocked(userId); 5944 // Check if this is the profile owner who is calling 5945 final ActiveAdmin admin = 5946 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5947 synchronized (this) { 5948 final long ident = mInjector.binderClearCallingIdentity(); 5949 try { 5950 clearProfileOwnerLocked(admin, userId); 5951 removeActiveAdminLocked(who, userId); 5952 } finally { 5953 mInjector.binderRestoreCallingIdentity(ident); 5954 } 5955 } 5956 } 5957 5958 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 5959 if (admin != null) { 5960 admin.disableCamera = false; 5961 admin.userRestrictions = null; 5962 } 5963 clearUserPoliciesLocked(userId); 5964 mOwners.removeProfileOwner(userId); 5965 mOwners.writeProfileOwner(userId); 5966 } 5967 5968 @Override 5969 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 5970 Preconditions.checkNotNull(who, "ComponentName is null"); 5971 if (!mHasFeature) { 5972 return; 5973 } 5974 5975 synchronized (this) { 5976 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5977 long token = mInjector.binderClearCallingIdentity(); 5978 try { 5979 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 5980 } finally { 5981 mInjector.binderRestoreCallingIdentity(token); 5982 } 5983 } 5984 } 5985 5986 @Override 5987 public CharSequence getDeviceOwnerLockScreenInfo() { 5988 return mLockPatternUtils.getDeviceOwnerInfo(); 5989 } 5990 5991 private void clearUserPoliciesLocked(int userId) { 5992 // Reset some of the user-specific policies 5993 DevicePolicyData policy = getUserData(userId); 5994 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 5995 policy.mDelegatedCertInstallerPackage = null; 5996 policy.mApplicationRestrictionsManagingPackage = null; 5997 policy.mStatusBarDisabled = false; 5998 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 5999 saveSettingsLocked(userId); 6000 6001 try { 6002 mIPackageManager.updatePermissionFlagsForAllApps( 6003 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6004 0 /* flagValues */, userId); 6005 pushUserRestrictions(userId); 6006 } catch (RemoteException re) { 6007 // Shouldn't happen. 6008 } 6009 } 6010 6011 @Override 6012 public boolean hasUserSetupCompleted() { 6013 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6014 } 6015 6016 private boolean hasUserSetupCompleted(int userHandle) { 6017 if (!mHasFeature) { 6018 return true; 6019 } 6020 return getUserData(userHandle).mUserSetupComplete; 6021 } 6022 6023 @Override 6024 public int getUserProvisioningState() { 6025 if (!mHasFeature) { 6026 return DevicePolicyManager.STATE_USER_UNMANAGED; 6027 } 6028 int userHandle = mInjector.userHandleGetCallingUserId(); 6029 return getUserProvisioningState(userHandle); 6030 } 6031 6032 private int getUserProvisioningState(int userHandle) { 6033 return getUserData(userHandle).mUserProvisioningState; 6034 } 6035 6036 @Override 6037 public void setUserProvisioningState(int newState, int userHandle) { 6038 if (!mHasFeature) { 6039 return; 6040 } 6041 6042 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6043 && getManagedUserId(userHandle) == -1) { 6044 // No managed device, user or profile, so setting provisioning state makes no sense. 6045 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6046 + "device or profile owner is set."); 6047 } 6048 6049 synchronized (this) { 6050 boolean transitionCheckNeeded = true; 6051 6052 // Calling identity/permission checks. 6053 final int callingUid = mInjector.binderGetCallingUid(); 6054 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6055 // ADB shell can only move directly from un-managed to finalized as part of directly 6056 // setting profile-owner or device-owner. 6057 if (getUserProvisioningState(userHandle) != 6058 DevicePolicyManager.STATE_USER_UNMANAGED 6059 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6060 throw new IllegalStateException("Not allowed to change provisioning state " 6061 + "unless current provisioning state is unmanaged, and new state is " 6062 + "finalized."); 6063 } 6064 transitionCheckNeeded = false; 6065 } else { 6066 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6067 enforceCanManageProfileAndDeviceOwners(); 6068 } 6069 6070 final DevicePolicyData policyData = getUserData(userHandle); 6071 if (transitionCheckNeeded) { 6072 // Optional state transition check for non-ADB case. 6073 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6074 } 6075 policyData.mUserProvisioningState = newState; 6076 saveSettingsLocked(userHandle); 6077 } 6078 } 6079 6080 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6081 // Valid transitions for normal use-cases. 6082 switch (currentState) { 6083 case DevicePolicyManager.STATE_USER_UNMANAGED: 6084 // Can move to any state from unmanaged (except itself as an edge case).. 6085 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6086 return; 6087 } 6088 break; 6089 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6090 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6091 // Can only move to finalized from these states. 6092 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6093 return; 6094 } 6095 break; 6096 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6097 // Current user has a managed-profile, but current user is not managed, so 6098 // rather than moving to finalized state, go back to unmanaged once 6099 // profile provisioning is complete. 6100 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6101 return; 6102 } 6103 break; 6104 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6105 // Cannot transition out of finalized. 6106 break; 6107 } 6108 6109 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6110 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6111 + "from state [" + currentState + "]"); 6112 } 6113 6114 @Override 6115 public void setProfileEnabled(ComponentName who) { 6116 if (!mHasFeature) { 6117 return; 6118 } 6119 Preconditions.checkNotNull(who, "ComponentName is null"); 6120 synchronized (this) { 6121 // Check if this is the profile owner who is calling 6122 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6123 final int userId = UserHandle.getCallingUserId(); 6124 enforceManagedProfile(userId, "enable the profile"); 6125 // Check if the profile is already enabled. 6126 UserInfo managedProfile = getUserInfo(userId); 6127 if (managedProfile.isEnabled()) { 6128 Slog.e(LOG_TAG, 6129 "setProfileEnabled is called when the profile is already enabled"); 6130 return; 6131 } 6132 long id = mInjector.binderClearCallingIdentity(); 6133 try { 6134 mUserManager.setUserEnabled(userId); 6135 UserInfo parent = mUserManager.getProfileParent(userId); 6136 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6137 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6138 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6139 Intent.FLAG_RECEIVER_FOREGROUND); 6140 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6141 } finally { 6142 mInjector.binderRestoreCallingIdentity(id); 6143 } 6144 } 6145 } 6146 6147 @Override 6148 public void setProfileName(ComponentName who, String profileName) { 6149 Preconditions.checkNotNull(who, "ComponentName is null"); 6150 int userId = UserHandle.getCallingUserId(); 6151 // Check if this is the profile owner (includes device owner). 6152 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6153 6154 long id = mInjector.binderClearCallingIdentity(); 6155 try { 6156 mUserManager.setUserName(userId, profileName); 6157 } finally { 6158 mInjector.binderRestoreCallingIdentity(id); 6159 } 6160 } 6161 6162 @Override 6163 public ComponentName getProfileOwner(int userHandle) { 6164 if (!mHasFeature) { 6165 return null; 6166 } 6167 6168 synchronized (this) { 6169 return mOwners.getProfileOwnerComponent(userHandle); 6170 } 6171 } 6172 6173 // Returns the active profile owner for this user or null if the current user has no 6174 // profile owner. 6175 @VisibleForTesting 6176 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6177 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6178 if (profileOwner == null) { 6179 return null; 6180 } 6181 DevicePolicyData policy = getUserData(userHandle); 6182 final int n = policy.mAdminList.size(); 6183 for (int i = 0; i < n; i++) { 6184 ActiveAdmin admin = policy.mAdminList.get(i); 6185 if (profileOwner.equals(admin.info.getComponent())) { 6186 return admin; 6187 } 6188 } 6189 return null; 6190 } 6191 6192 @Override 6193 public String getProfileOwnerName(int userHandle) { 6194 if (!mHasFeature) { 6195 return null; 6196 } 6197 enforceManageUsers(); 6198 ComponentName profileOwner = getProfileOwner(userHandle); 6199 if (profileOwner == null) { 6200 return null; 6201 } 6202 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6203 } 6204 6205 /** 6206 * Canonical name for a given package. 6207 */ 6208 private String getApplicationLabel(String packageName, int userHandle) { 6209 long token = mInjector.binderClearCallingIdentity(); 6210 try { 6211 final Context userContext; 6212 try { 6213 UserHandle handle = new UserHandle(userHandle); 6214 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6215 } catch (PackageManager.NameNotFoundException nnfe) { 6216 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6217 return null; 6218 } 6219 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6220 CharSequence result = null; 6221 if (appInfo != null) { 6222 PackageManager pm = userContext.getPackageManager(); 6223 result = pm.getApplicationLabel(appInfo); 6224 } 6225 return result != null ? result.toString() : null; 6226 } finally { 6227 mInjector.binderRestoreCallingIdentity(token); 6228 } 6229 } 6230 6231 /** 6232 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6233 * permission. 6234 * The profile owner can only be set before the user setup phase has completed, 6235 * except for: 6236 * - SYSTEM_UID 6237 * - adb if there are not accounts. 6238 */ 6239 private void enforceCanSetProfileOwnerLocked(int userHandle) { 6240 UserInfo info = getUserInfo(userHandle); 6241 if (info == null) { 6242 // User doesn't exist. 6243 throw new IllegalArgumentException( 6244 "Attempted to set profile owner for invalid userId: " + userHandle); 6245 } 6246 if (info.isGuest()) { 6247 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6248 } 6249 if (mOwners.hasProfileOwner(userHandle)) { 6250 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6251 + "is already set."); 6252 } 6253 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6254 throw new IllegalStateException("Trying to set the profile owner, but the user " 6255 + "already has a device owner."); 6256 } 6257 int callingUid = mInjector.binderGetCallingUid(); 6258 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6259 if (hasUserSetupCompleted(userHandle) && 6260 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 6261 throw new IllegalStateException("Not allowed to set the profile owner because " 6262 + "there are already some accounts on the profile"); 6263 } 6264 return; 6265 } 6266 enforceCanManageProfileAndDeviceOwners(); 6267 if (hasUserSetupCompleted(userHandle) && !isCallerWithSystemUid()) { 6268 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6269 + "already set-up"); 6270 } 6271 } 6272 6273 /** 6274 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6275 * permission. 6276 */ 6277 private void enforceCanSetDeviceOwnerLocked(int userId) { 6278 int callingUid = mInjector.binderGetCallingUid(); 6279 boolean isAdb = callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 6280 if (!isAdb) { 6281 enforceCanManageProfileAndDeviceOwners(); 6282 } 6283 6284 final int code = checkSetDeviceOwnerPreCondition(userId, isAdb); 6285 switch (code) { 6286 case CODE_OK: 6287 return; 6288 case CODE_HAS_DEVICE_OWNER: 6289 throw new IllegalStateException( 6290 "Trying to set the device owner, but device owner is already set."); 6291 case CODE_USER_HAS_PROFILE_OWNER: 6292 throw new IllegalStateException("Trying to set the device owner, but the user " 6293 + "already has a profile owner."); 6294 case CODE_USER_NOT_RUNNING: 6295 throw new IllegalStateException("User not running: " + userId); 6296 case CODE_NOT_SYSTEM_USER: 6297 throw new IllegalStateException("User is not system user"); 6298 case CODE_USER_SETUP_COMPLETED: 6299 throw new IllegalStateException( 6300 "Cannot set the device owner if the device is already set-up"); 6301 case CODE_NONSYSTEM_USER_EXISTS: 6302 throw new IllegalStateException("Not allowed to set the device owner because there " 6303 + "are already several users on the device"); 6304 case CODE_ACCOUNTS_NOT_EMPTY: 6305 throw new IllegalStateException("Not allowed to set the device owner because there " 6306 + "are already some accounts on the device"); 6307 default: 6308 throw new IllegalStateException("Unknown @DeviceOwnerPreConditionCode " + code); 6309 } 6310 } 6311 6312 private void enforceUserUnlocked(int userId) { 6313 // Since we're doing this operation on behalf of an app, we only 6314 // want to use the actual "unlocked" state. 6315 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6316 "User must be running and unlocked"); 6317 } 6318 6319 private void enforceManageUsers() { 6320 final int callingUid = mInjector.binderGetCallingUid(); 6321 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6322 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6323 } 6324 } 6325 6326 private void enforceFullCrossUsersPermission(int userHandle) { 6327 enforceSystemUserOrPermission(userHandle, 6328 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6329 } 6330 6331 private void enforceCrossUsersPermission(int userHandle) { 6332 enforceSystemUserOrPermission(userHandle, 6333 android.Manifest.permission.INTERACT_ACROSS_USERS); 6334 } 6335 6336 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6337 if (userHandle < 0) { 6338 throw new IllegalArgumentException("Invalid userId " + userHandle); 6339 } 6340 final int callingUid = mInjector.binderGetCallingUid(); 6341 if (userHandle == UserHandle.getUserId(callingUid)) { 6342 return; 6343 } 6344 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6345 mContext.enforceCallingOrSelfPermission(permission, 6346 "Must be system or have " + permission + " permission"); 6347 } 6348 } 6349 6350 private void enforceManagedProfile(int userHandle, String message) { 6351 if(!isManagedProfile(userHandle)) { 6352 throw new SecurityException("You can not " + message + " outside a managed profile."); 6353 } 6354 } 6355 6356 private void enforceNotManagedProfile(int userHandle, String message) { 6357 if(isManagedProfile(userHandle)) { 6358 throw new SecurityException("You can not " + message + " for a managed profile."); 6359 } 6360 } 6361 6362 private void ensureCallerPackage(@Nullable String packageName) { 6363 if (packageName == null) { 6364 Preconditions.checkState(isCallerWithSystemUid(), 6365 "Only caller can omit package name"); 6366 } else { 6367 final int callingUid = mInjector.binderGetCallingUid(); 6368 final int userId = mInjector.userHandleGetCallingUserId(); 6369 try { 6370 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6371 packageName, 0, userId); 6372 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6373 } catch (RemoteException e) { 6374 // Shouldn't happen 6375 } 6376 } 6377 } 6378 6379 private boolean isCallerWithSystemUid() { 6380 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6381 } 6382 6383 private int getProfileParentId(int userHandle) { 6384 final long ident = mInjector.binderClearCallingIdentity(); 6385 try { 6386 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6387 return parentUser != null ? parentUser.id : userHandle; 6388 } finally { 6389 mInjector.binderRestoreCallingIdentity(ident); 6390 } 6391 } 6392 6393 private int getCredentialOwner(int userHandle, boolean parent) { 6394 final long ident = mInjector.binderClearCallingIdentity(); 6395 try { 6396 if (parent) { 6397 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6398 if (parentProfile != null) { 6399 userHandle = parentProfile.id; 6400 } 6401 } 6402 return mUserManager.getCredentialOwnerProfile(userHandle); 6403 } finally { 6404 mInjector.binderRestoreCallingIdentity(ident); 6405 } 6406 } 6407 6408 private boolean isManagedProfile(int userHandle) { 6409 return getUserInfo(userHandle).isManagedProfile(); 6410 } 6411 6412 private void enableIfNecessary(String packageName, int userId) { 6413 try { 6414 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6415 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6416 userId); 6417 if (ai.enabledSetting 6418 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6419 mIPackageManager.setApplicationEnabledSetting(packageName, 6420 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6421 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6422 } 6423 } catch (RemoteException e) { 6424 } 6425 } 6426 6427 @Override 6428 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6429 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6430 != PackageManager.PERMISSION_GRANTED) { 6431 6432 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6433 + mInjector.binderGetCallingPid() 6434 + ", uid=" + mInjector.binderGetCallingUid()); 6435 return; 6436 } 6437 6438 synchronized (this) { 6439 pw.println("Current Device Policy Manager state:"); 6440 mOwners.dump(" ", pw); 6441 int userCount = mUserData.size(); 6442 for (int u = 0; u < userCount; u++) { 6443 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6444 pw.println(); 6445 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6446 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6447 final int N = policy.mAdminList.size(); 6448 for (int i=0; i<N; i++) { 6449 ActiveAdmin ap = policy.mAdminList.get(i); 6450 if (ap != null) { 6451 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6452 pw.println(":"); 6453 ap.dump(" ", pw); 6454 } 6455 } 6456 if (!policy.mRemovingAdmins.isEmpty()) { 6457 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6458 + policy.mRemovingAdmins); 6459 } 6460 6461 pw.println(" "); 6462 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6463 } 6464 pw.println(); 6465 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6466 } 6467 } 6468 6469 private String getEncryptionStatusName(int encryptionStatus) { 6470 switch (encryptionStatus) { 6471 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6472 return "inactive"; 6473 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6474 return "block default key"; 6475 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6476 return "block"; 6477 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6478 return "per-user"; 6479 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6480 return "unsupported"; 6481 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6482 return "activating"; 6483 default: 6484 return "unknown"; 6485 } 6486 } 6487 6488 @Override 6489 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6490 ComponentName activity) { 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.addPersistentPreferredActivity(filter, activity, userHandle); 6499 } catch (RemoteException re) { 6500 // Shouldn't happen 6501 } finally { 6502 mInjector.binderRestoreCallingIdentity(id); 6503 } 6504 } 6505 } 6506 6507 @Override 6508 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6509 Preconditions.checkNotNull(who, "ComponentName is null"); 6510 final int userHandle = UserHandle.getCallingUserId(); 6511 synchronized (this) { 6512 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6513 6514 long id = mInjector.binderClearCallingIdentity(); 6515 try { 6516 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6517 } catch (RemoteException re) { 6518 // Shouldn't happen 6519 } finally { 6520 mInjector.binderRestoreCallingIdentity(id); 6521 } 6522 } 6523 } 6524 6525 @Override 6526 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6527 String packageName) { 6528 Preconditions.checkNotNull(admin, "ComponentName is null"); 6529 6530 final int userHandle = mInjector.userHandleGetCallingUserId(); 6531 synchronized (this) { 6532 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6533 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6534 return false; 6535 } 6536 DevicePolicyData policy = getUserData(userHandle); 6537 policy.mApplicationRestrictionsManagingPackage = packageName; 6538 saveSettingsLocked(userHandle); 6539 return true; 6540 } 6541 } 6542 6543 @Override 6544 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6545 Preconditions.checkNotNull(admin, "ComponentName is null"); 6546 6547 final int userHandle = mInjector.userHandleGetCallingUserId(); 6548 synchronized (this) { 6549 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6550 DevicePolicyData policy = getUserData(userHandle); 6551 return policy.mApplicationRestrictionsManagingPackage; 6552 } 6553 } 6554 6555 @Override 6556 public boolean isCallerApplicationRestrictionsManagingPackage() { 6557 final int callingUid = mInjector.binderGetCallingUid(); 6558 final int userHandle = UserHandle.getUserId(callingUid); 6559 synchronized (this) { 6560 final DevicePolicyData policy = getUserData(userHandle); 6561 if (policy.mApplicationRestrictionsManagingPackage == null) { 6562 return false; 6563 } 6564 6565 try { 6566 int uid = mContext.getPackageManager().getPackageUidAsUser( 6567 policy.mApplicationRestrictionsManagingPackage, userHandle); 6568 return uid == callingUid; 6569 } catch (NameNotFoundException e) { 6570 return false; 6571 } 6572 } 6573 } 6574 6575 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6576 if (who != null) { 6577 synchronized (this) { 6578 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6579 } 6580 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6581 throw new SecurityException( 6582 "No admin component given, and caller cannot manage application restrictions " 6583 + "for other apps."); 6584 } 6585 } 6586 6587 @Override 6588 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6589 enforceCanManageApplicationRestrictions(who); 6590 6591 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6592 final long id = mInjector.binderClearCallingIdentity(); 6593 try { 6594 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6595 } finally { 6596 mInjector.binderRestoreCallingIdentity(id); 6597 } 6598 } 6599 6600 @Override 6601 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6602 PersistableBundle args, boolean parent) { 6603 if (!mHasFeature) { 6604 return; 6605 } 6606 Preconditions.checkNotNull(admin, "admin is null"); 6607 Preconditions.checkNotNull(agent, "agent is null"); 6608 final int userHandle = UserHandle.getCallingUserId(); 6609 synchronized (this) { 6610 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6611 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6612 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6613 saveSettingsLocked(userHandle); 6614 } 6615 } 6616 6617 @Override 6618 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6619 ComponentName agent, int userHandle, boolean parent) { 6620 if (!mHasFeature) { 6621 return null; 6622 } 6623 Preconditions.checkNotNull(agent, "agent null"); 6624 enforceFullCrossUsersPermission(userHandle); 6625 6626 synchronized (this) { 6627 final String componentName = agent.flattenToString(); 6628 if (admin != null) { 6629 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 6630 if (ap == null) return null; 6631 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6632 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6633 List<PersistableBundle> result = new ArrayList<>(); 6634 result.add(trustAgentInfo.options); 6635 return result; 6636 } 6637 6638 // Return strictest policy for this user and profiles that are visible from this user. 6639 List<PersistableBundle> result = null; 6640 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6641 // of the options. If any admin doesn't have options, discard options for the rest 6642 // and return null. 6643 List<ActiveAdmin> admins = 6644 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6645 boolean allAdminsHaveOptions = true; 6646 final int N = admins.size(); 6647 for (int i = 0; i < N; i++) { 6648 final ActiveAdmin active = admins.get(i); 6649 6650 final boolean disablesTrust = (active.disabledKeyguardFeatures 6651 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6652 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6653 if (info != null && info.options != null && !info.options.isEmpty()) { 6654 if (disablesTrust) { 6655 if (result == null) { 6656 result = new ArrayList<>(); 6657 } 6658 result.add(info.options); 6659 } else { 6660 Log.w(LOG_TAG, "Ignoring admin " + active.info 6661 + " because it has trust options but doesn't declare " 6662 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6663 } 6664 } else if (disablesTrust) { 6665 allAdminsHaveOptions = false; 6666 break; 6667 } 6668 } 6669 return allAdminsHaveOptions ? result : null; 6670 } 6671 } 6672 6673 @Override 6674 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 6675 Preconditions.checkNotNull(who, "ComponentName is null"); 6676 synchronized (this) { 6677 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6678 6679 int userHandle = UserHandle.getCallingUserId(); 6680 DevicePolicyData userData = getUserData(userHandle); 6681 userData.mRestrictionsProvider = permissionProvider; 6682 saveSettingsLocked(userHandle); 6683 } 6684 } 6685 6686 @Override 6687 public ComponentName getRestrictionsProvider(int userHandle) { 6688 synchronized (this) { 6689 if (!isCallerWithSystemUid()) { 6690 throw new SecurityException("Only the system can query the permission provider"); 6691 } 6692 DevicePolicyData userData = getUserData(userHandle); 6693 return userData != null ? userData.mRestrictionsProvider : null; 6694 } 6695 } 6696 6697 @Override 6698 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 6699 Preconditions.checkNotNull(who, "ComponentName is null"); 6700 int callingUserId = UserHandle.getCallingUserId(); 6701 synchronized (this) { 6702 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6703 6704 long id = mInjector.binderClearCallingIdentity(); 6705 try { 6706 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6707 if (parent == null) { 6708 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 6709 + "parent"); 6710 return; 6711 } 6712 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 6713 mIPackageManager.addCrossProfileIntentFilter( 6714 filter, who.getPackageName(), callingUserId, parent.id, 0); 6715 } 6716 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 6717 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 6718 parent.id, callingUserId, 0); 6719 } 6720 } catch (RemoteException re) { 6721 // Shouldn't happen 6722 } finally { 6723 mInjector.binderRestoreCallingIdentity(id); 6724 } 6725 } 6726 } 6727 6728 @Override 6729 public void clearCrossProfileIntentFilters(ComponentName who) { 6730 Preconditions.checkNotNull(who, "ComponentName is null"); 6731 int callingUserId = UserHandle.getCallingUserId(); 6732 synchronized (this) { 6733 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6734 long id = mInjector.binderClearCallingIdentity(); 6735 try { 6736 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6737 if (parent == null) { 6738 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 6739 + "parent"); 6740 return; 6741 } 6742 // Removing those that go from the managed profile to the parent. 6743 mIPackageManager.clearCrossProfileIntentFilters( 6744 callingUserId, who.getPackageName()); 6745 // And those that go from the parent to the managed profile. 6746 // If we want to support multiple managed profiles, we will have to only remove 6747 // those that have callingUserId as their target. 6748 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 6749 } catch (RemoteException re) { 6750 // Shouldn't happen 6751 } finally { 6752 mInjector.binderRestoreCallingIdentity(id); 6753 } 6754 } 6755 } 6756 6757 /** 6758 * @return true if all packages in enabledPackages are either in the list 6759 * permittedList or are a system app. 6760 */ 6761 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 6762 List<String> permittedList, int userIdToCheck) { 6763 long id = mInjector.binderClearCallingIdentity(); 6764 try { 6765 // If we have an enabled packages list for a managed profile the packages 6766 // we should check are installed for the parent user. 6767 UserInfo user = getUserInfo(userIdToCheck); 6768 if (user.isManagedProfile()) { 6769 userIdToCheck = user.profileGroupId; 6770 } 6771 6772 for (String enabledPackage : enabledPackages) { 6773 boolean systemService = false; 6774 try { 6775 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 6776 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 6777 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6778 } catch (RemoteException e) { 6779 Log.i(LOG_TAG, "Can't talk to package managed", e); 6780 } 6781 if (!systemService && !permittedList.contains(enabledPackage)) { 6782 return false; 6783 } 6784 } 6785 } finally { 6786 mInjector.binderRestoreCallingIdentity(id); 6787 } 6788 return true; 6789 } 6790 6791 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 6792 // Not using AccessibilityManager.getInstance because that guesses 6793 // at the user you require based on callingUid and caches for a given 6794 // process. 6795 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 6796 IAccessibilityManager service = iBinder == null 6797 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 6798 return new AccessibilityManager(mContext, service, userId); 6799 } 6800 6801 @Override 6802 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 6803 if (!mHasFeature) { 6804 return false; 6805 } 6806 Preconditions.checkNotNull(who, "ComponentName is null"); 6807 6808 if (packageList != null) { 6809 int userId = UserHandle.getCallingUserId(); 6810 List<AccessibilityServiceInfo> enabledServices = null; 6811 long id = mInjector.binderClearCallingIdentity(); 6812 try { 6813 UserInfo user = getUserInfo(userId); 6814 if (user.isManagedProfile()) { 6815 userId = user.profileGroupId; 6816 } 6817 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 6818 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 6819 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 6820 } finally { 6821 mInjector.binderRestoreCallingIdentity(id); 6822 } 6823 6824 if (enabledServices != null) { 6825 List<String> enabledPackages = new ArrayList<String>(); 6826 for (AccessibilityServiceInfo service : enabledServices) { 6827 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 6828 } 6829 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6830 userId)) { 6831 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 6832 + "because it contains already enabled accesibility services."); 6833 return false; 6834 } 6835 } 6836 } 6837 6838 synchronized (this) { 6839 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6840 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6841 admin.permittedAccessiblityServices = packageList; 6842 saveSettingsLocked(UserHandle.getCallingUserId()); 6843 } 6844 return true; 6845 } 6846 6847 @Override 6848 public List getPermittedAccessibilityServices(ComponentName who) { 6849 if (!mHasFeature) { 6850 return null; 6851 } 6852 Preconditions.checkNotNull(who, "ComponentName is null"); 6853 6854 synchronized (this) { 6855 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6856 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6857 return admin.permittedAccessiblityServices; 6858 } 6859 } 6860 6861 @Override 6862 public List getPermittedAccessibilityServicesForUser(int userId) { 6863 if (!mHasFeature) { 6864 return null; 6865 } 6866 synchronized (this) { 6867 List<String> result = null; 6868 // If we have multiple profiles we return the intersection of the 6869 // permitted lists. This can happen in cases where we have a device 6870 // and profile owner. 6871 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 6872 for (int profileId : profileIds) { 6873 // Just loop though all admins, only device or profiles 6874 // owners can have permitted lists set. 6875 DevicePolicyData policy = getUserDataUnchecked(profileId); 6876 final int N = policy.mAdminList.size(); 6877 for (int j = 0; j < N; j++) { 6878 ActiveAdmin admin = policy.mAdminList.get(j); 6879 List<String> fromAdmin = admin.permittedAccessiblityServices; 6880 if (fromAdmin != null) { 6881 if (result == null) { 6882 result = new ArrayList<>(fromAdmin); 6883 } else { 6884 result.retainAll(fromAdmin); 6885 } 6886 } 6887 } 6888 } 6889 6890 // If we have a permitted list add all system accessibility services. 6891 if (result != null) { 6892 long id = mInjector.binderClearCallingIdentity(); 6893 try { 6894 UserInfo user = getUserInfo(userId); 6895 if (user.isManagedProfile()) { 6896 userId = user.profileGroupId; 6897 } 6898 AccessibilityManager accessibilityManager = 6899 getAccessibilityManagerForUser(userId); 6900 List<AccessibilityServiceInfo> installedServices = 6901 accessibilityManager.getInstalledAccessibilityServiceList(); 6902 6903 if (installedServices != null) { 6904 for (AccessibilityServiceInfo service : installedServices) { 6905 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 6906 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 6907 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6908 result.add(serviceInfo.packageName); 6909 } 6910 } 6911 } 6912 } finally { 6913 mInjector.binderRestoreCallingIdentity(id); 6914 } 6915 } 6916 6917 return result; 6918 } 6919 } 6920 6921 @Override 6922 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 6923 int userHandle) { 6924 if (!mHasFeature) { 6925 return true; 6926 } 6927 Preconditions.checkNotNull(who, "ComponentName is null"); 6928 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 6929 if (!isCallerWithSystemUid()){ 6930 throw new SecurityException( 6931 "Only the system can query if an accessibility service is disabled by admin"); 6932 } 6933 synchronized (this) { 6934 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6935 if (admin == null) { 6936 return false; 6937 } 6938 if (admin.permittedAccessiblityServices == null) { 6939 return true; 6940 } 6941 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 6942 admin.permittedAccessiblityServices, userHandle); 6943 } 6944 } 6945 6946 private boolean checkCallerIsCurrentUserOrProfile() { 6947 int callingUserId = UserHandle.getCallingUserId(); 6948 long token = mInjector.binderClearCallingIdentity(); 6949 try { 6950 UserInfo currentUser; 6951 UserInfo callingUser = getUserInfo(callingUserId); 6952 try { 6953 currentUser = mInjector.getIActivityManager().getCurrentUser(); 6954 } catch (RemoteException e) { 6955 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 6956 return false; 6957 } 6958 6959 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 6960 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 6961 + "of a user that isn't the foreground user."); 6962 return false; 6963 } 6964 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 6965 Slog.e(LOG_TAG, "Cannot set permitted input methods " 6966 + "of a user that isn't the foreground user."); 6967 return false; 6968 } 6969 } finally { 6970 mInjector.binderRestoreCallingIdentity(token); 6971 } 6972 return true; 6973 } 6974 6975 @Override 6976 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 6977 if (!mHasFeature) { 6978 return false; 6979 } 6980 Preconditions.checkNotNull(who, "ComponentName is null"); 6981 6982 // TODO When InputMethodManager supports per user calls remove 6983 // this restriction. 6984 if (!checkCallerIsCurrentUserOrProfile()) { 6985 return false; 6986 } 6987 6988 if (packageList != null) { 6989 // InputMethodManager fetches input methods for current user. 6990 // So this can only be set when calling user is the current user 6991 // or parent is current user in case of managed profiles. 6992 InputMethodManager inputMethodManager = 6993 mContext.getSystemService(InputMethodManager.class); 6994 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 6995 6996 if (enabledImes != null) { 6997 List<String> enabledPackages = new ArrayList<String>(); 6998 for (InputMethodInfo ime : enabledImes) { 6999 enabledPackages.add(ime.getPackageName()); 7000 } 7001 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7002 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7003 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7004 + "because it contains already enabled input method."); 7005 return false; 7006 } 7007 } 7008 } 7009 7010 synchronized (this) { 7011 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7012 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7013 admin.permittedInputMethods = packageList; 7014 saveSettingsLocked(UserHandle.getCallingUserId()); 7015 } 7016 return true; 7017 } 7018 7019 @Override 7020 public List getPermittedInputMethods(ComponentName who) { 7021 if (!mHasFeature) { 7022 return null; 7023 } 7024 Preconditions.checkNotNull(who, "ComponentName is null"); 7025 7026 synchronized (this) { 7027 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7028 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7029 return admin.permittedInputMethods; 7030 } 7031 } 7032 7033 @Override 7034 public List getPermittedInputMethodsForCurrentUser() { 7035 UserInfo currentUser; 7036 try { 7037 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7038 } catch (RemoteException e) { 7039 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7040 // Activity managed is dead, just allow all IMEs 7041 return null; 7042 } 7043 7044 int userId = currentUser.id; 7045 synchronized (this) { 7046 List<String> result = null; 7047 // If we have multiple profiles we return the intersection of the 7048 // permitted lists. This can happen in cases where we have a device 7049 // and profile owner. 7050 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7051 for (int profileId : profileIds) { 7052 // Just loop though all admins, only device or profiles 7053 // owners can have permitted lists set. 7054 DevicePolicyData policy = getUserDataUnchecked(profileId); 7055 final int N = policy.mAdminList.size(); 7056 for (int j = 0; j < N; j++) { 7057 ActiveAdmin admin = policy.mAdminList.get(j); 7058 List<String> fromAdmin = admin.permittedInputMethods; 7059 if (fromAdmin != null) { 7060 if (result == null) { 7061 result = new ArrayList<String>(fromAdmin); 7062 } else { 7063 result.retainAll(fromAdmin); 7064 } 7065 } 7066 } 7067 } 7068 7069 // If we have a permitted list add all system input methods. 7070 if (result != null) { 7071 InputMethodManager inputMethodManager = 7072 mContext.getSystemService(InputMethodManager.class); 7073 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7074 long id = mInjector.binderClearCallingIdentity(); 7075 try { 7076 if (imes != null) { 7077 for (InputMethodInfo ime : imes) { 7078 ServiceInfo serviceInfo = ime.getServiceInfo(); 7079 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7080 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7081 result.add(serviceInfo.packageName); 7082 } 7083 } 7084 } 7085 } finally { 7086 mInjector.binderRestoreCallingIdentity(id); 7087 } 7088 } 7089 return result; 7090 } 7091 } 7092 7093 @Override 7094 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7095 int userHandle) { 7096 if (!mHasFeature) { 7097 return true; 7098 } 7099 Preconditions.checkNotNull(who, "ComponentName is null"); 7100 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7101 if (!isCallerWithSystemUid()) { 7102 throw new SecurityException( 7103 "Only the system can query if an input method is disabled by admin"); 7104 } 7105 synchronized (this) { 7106 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7107 if (admin == null) { 7108 return false; 7109 } 7110 if (admin.permittedInputMethods == null) { 7111 return true; 7112 } 7113 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7114 admin.permittedInputMethods, userHandle); 7115 } 7116 } 7117 7118 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7119 DevicePolicyData policyData = getUserData(userHandle); 7120 if (policyData.mAdminBroadcastPending) { 7121 // Send the initialization data to profile owner and delete the data 7122 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7123 if (admin != null) { 7124 PersistableBundle initBundle = policyData.mInitBundle; 7125 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7126 initBundle == null ? null : new Bundle(initBundle), null); 7127 } 7128 policyData.mInitBundle = null; 7129 policyData.mAdminBroadcastPending = false; 7130 saveSettingsLocked(userHandle); 7131 } 7132 } 7133 7134 @Override 7135 public UserHandle createAndManageUser(ComponentName admin, String name, 7136 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7137 Preconditions.checkNotNull(admin, "admin is null"); 7138 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7139 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7140 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7141 + admin + " are not in the same package"); 7142 } 7143 // Only allow the system user to use this method 7144 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7145 throw new SecurityException("createAndManageUser was called from non-system user"); 7146 } 7147 if (!mInjector.userManagerIsSplitSystemUser() 7148 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7149 throw new IllegalArgumentException( 7150 "Ephemeral users are only supported on systems with a split system user."); 7151 } 7152 // Create user. 7153 UserHandle user = null; 7154 synchronized (this) { 7155 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7156 7157 final long id = mInjector.binderClearCallingIdentity(); 7158 try { 7159 int userInfoFlags = 0; 7160 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7161 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7162 } 7163 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7164 userInfoFlags); 7165 if (userInfo != null) { 7166 user = userInfo.getUserHandle(); 7167 } 7168 } finally { 7169 mInjector.binderRestoreCallingIdentity(id); 7170 } 7171 } 7172 if (user == null) { 7173 return null; 7174 } 7175 // Set admin. 7176 final long id = mInjector.binderClearCallingIdentity(); 7177 try { 7178 final String adminPkg = admin.getPackageName(); 7179 7180 final int userHandle = user.getIdentifier(); 7181 try { 7182 // Install the profile owner if not present. 7183 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7184 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 7185 } 7186 } catch (RemoteException e) { 7187 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7188 + "removing created user", e); 7189 mUserManager.removeUser(user.getIdentifier()); 7190 return null; 7191 } 7192 7193 setActiveAdmin(profileOwner, true, userHandle); 7194 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7195 // So we store adminExtras for broadcasting when the user starts for first time. 7196 synchronized(this) { 7197 DevicePolicyData policyData = getUserData(userHandle); 7198 policyData.mInitBundle = adminExtras; 7199 policyData.mAdminBroadcastPending = true; 7200 saveSettingsLocked(userHandle); 7201 } 7202 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7203 setProfileOwner(profileOwner, ownerName, userHandle); 7204 7205 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7206 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7207 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7208 } 7209 7210 return user; 7211 } finally { 7212 mInjector.binderRestoreCallingIdentity(id); 7213 } 7214 } 7215 7216 @Override 7217 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7218 Preconditions.checkNotNull(who, "ComponentName is null"); 7219 synchronized (this) { 7220 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7221 7222 long id = mInjector.binderClearCallingIdentity(); 7223 try { 7224 return mUserManager.removeUser(userHandle.getIdentifier()); 7225 } finally { 7226 mInjector.binderRestoreCallingIdentity(id); 7227 } 7228 } 7229 } 7230 7231 @Override 7232 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7233 Preconditions.checkNotNull(who, "ComponentName is null"); 7234 synchronized (this) { 7235 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7236 7237 long id = mInjector.binderClearCallingIdentity(); 7238 try { 7239 int userId = UserHandle.USER_SYSTEM; 7240 if (userHandle != null) { 7241 userId = userHandle.getIdentifier(); 7242 } 7243 return mInjector.getIActivityManager().switchUser(userId); 7244 } catch (RemoteException e) { 7245 Log.e(LOG_TAG, "Couldn't switch user", e); 7246 return false; 7247 } finally { 7248 mInjector.binderRestoreCallingIdentity(id); 7249 } 7250 } 7251 } 7252 7253 @Override 7254 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7255 enforceCanManageApplicationRestrictions(who); 7256 7257 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7258 final long id = mInjector.binderClearCallingIdentity(); 7259 try { 7260 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7261 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7262 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7263 return bundle != null ? bundle : Bundle.EMPTY; 7264 } finally { 7265 mInjector.binderRestoreCallingIdentity(id); 7266 } 7267 } 7268 7269 @Override 7270 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7271 boolean suspended) { 7272 Preconditions.checkNotNull(who, "ComponentName is null"); 7273 int callingUserId = UserHandle.getCallingUserId(); 7274 synchronized (this) { 7275 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7276 7277 long id = mInjector.binderClearCallingIdentity(); 7278 try { 7279 return mIPackageManager.setPackagesSuspendedAsUser( 7280 packageNames, suspended, callingUserId); 7281 } catch (RemoteException re) { 7282 // Shouldn't happen. 7283 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7284 } finally { 7285 mInjector.binderRestoreCallingIdentity(id); 7286 } 7287 return packageNames; 7288 } 7289 } 7290 7291 @Override 7292 public boolean isPackageSuspended(ComponentName who, String packageName) { 7293 Preconditions.checkNotNull(who, "ComponentName is null"); 7294 int callingUserId = UserHandle.getCallingUserId(); 7295 synchronized (this) { 7296 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7297 7298 long id = mInjector.binderClearCallingIdentity(); 7299 try { 7300 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7301 } catch (RemoteException re) { 7302 // Shouldn't happen. 7303 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7304 } finally { 7305 mInjector.binderRestoreCallingIdentity(id); 7306 } 7307 return false; 7308 } 7309 } 7310 7311 @Override 7312 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7313 Preconditions.checkNotNull(who, "ComponentName is null"); 7314 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7315 return; 7316 } 7317 7318 final int userHandle = mInjector.userHandleGetCallingUserId(); 7319 synchronized (this) { 7320 ActiveAdmin activeAdmin = 7321 getActiveAdminForCallerLocked(who, 7322 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7323 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7324 if (isDeviceOwner) { 7325 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7326 throw new SecurityException("Device owner cannot set user restriction " + key); 7327 } 7328 } else { // profile owner 7329 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7330 throw new SecurityException("Profile owner cannot set user restriction " + key); 7331 } 7332 } 7333 7334 // Save the restriction to ActiveAdmin. 7335 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 7336 saveSettingsLocked(userHandle); 7337 7338 pushUserRestrictions(userHandle); 7339 7340 sendChangedNotification(userHandle); 7341 } 7342 } 7343 7344 private void pushUserRestrictions(int userId) { 7345 synchronized (this) { 7346 final Bundle global; 7347 final Bundle local = new Bundle(); 7348 if (mOwners.isDeviceOwnerUserId(userId)) { 7349 global = new Bundle(); 7350 7351 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7352 if (deviceOwner == null) { 7353 return; // Shouldn't happen. 7354 } 7355 7356 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 7357 global, local); 7358 // DO can disable camera globally. 7359 if (deviceOwner.disableCamera) { 7360 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 7361 } 7362 } else { 7363 global = null; 7364 7365 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7366 if (profileOwner != null) { 7367 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7368 } 7369 } 7370 // Also merge in *local* camera restriction. 7371 if (getCameraDisabled(/* who= */ null, 7372 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7373 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7374 } 7375 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7376 } 7377 } 7378 7379 @Override 7380 public Bundle getUserRestrictions(ComponentName who) { 7381 if (!mHasFeature) { 7382 return null; 7383 } 7384 Preconditions.checkNotNull(who, "ComponentName is null"); 7385 synchronized (this) { 7386 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7387 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7388 return activeAdmin.userRestrictions; 7389 } 7390 } 7391 7392 @Override 7393 public boolean setApplicationHidden(ComponentName who, String packageName, 7394 boolean hidden) { 7395 Preconditions.checkNotNull(who, "ComponentName is null"); 7396 int callingUserId = UserHandle.getCallingUserId(); 7397 synchronized (this) { 7398 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7399 7400 long id = mInjector.binderClearCallingIdentity(); 7401 try { 7402 return mIPackageManager.setApplicationHiddenSettingAsUser( 7403 packageName, hidden, callingUserId); 7404 } catch (RemoteException re) { 7405 // shouldn't happen 7406 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7407 } finally { 7408 mInjector.binderRestoreCallingIdentity(id); 7409 } 7410 return false; 7411 } 7412 } 7413 7414 @Override 7415 public boolean isApplicationHidden(ComponentName who, String packageName) { 7416 Preconditions.checkNotNull(who, "ComponentName is null"); 7417 int callingUserId = UserHandle.getCallingUserId(); 7418 synchronized (this) { 7419 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7420 7421 long id = mInjector.binderClearCallingIdentity(); 7422 try { 7423 return mIPackageManager.getApplicationHiddenSettingAsUser( 7424 packageName, callingUserId); 7425 } catch (RemoteException re) { 7426 // shouldn't happen 7427 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7428 } finally { 7429 mInjector.binderRestoreCallingIdentity(id); 7430 } 7431 return false; 7432 } 7433 } 7434 7435 @Override 7436 public void enableSystemApp(ComponentName who, String packageName) { 7437 Preconditions.checkNotNull(who, "ComponentName is null"); 7438 synchronized (this) { 7439 // This API can only be called by an active device admin, 7440 // so try to retrieve it to check that the caller is one. 7441 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7442 7443 int userId = UserHandle.getCallingUserId(); 7444 long id = mInjector.binderClearCallingIdentity(); 7445 7446 try { 7447 if (VERBOSE_LOG) { 7448 Slog.v(LOG_TAG, "installing " + packageName + " for " 7449 + userId); 7450 } 7451 7452 int parentUserId = getProfileParentId(userId); 7453 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7454 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7455 } 7456 7457 // Install the app. 7458 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7459 7460 } catch (RemoteException re) { 7461 // shouldn't happen 7462 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7463 } finally { 7464 mInjector.binderRestoreCallingIdentity(id); 7465 } 7466 } 7467 } 7468 7469 @Override 7470 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7471 Preconditions.checkNotNull(who, "ComponentName is null"); 7472 synchronized (this) { 7473 // This API can only be called by an active device admin, 7474 // so try to retrieve it to check that the caller is one. 7475 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7476 7477 int userId = UserHandle.getCallingUserId(); 7478 long id = mInjector.binderClearCallingIdentity(); 7479 7480 try { 7481 int parentUserId = getProfileParentId(userId); 7482 List<ResolveInfo> activitiesToEnable = mIPackageManager 7483 .queryIntentActivities(intent, 7484 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7485 PackageManager.MATCH_DIRECT_BOOT_AWARE 7486 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7487 parentUserId) 7488 .getList(); 7489 7490 if (VERBOSE_LOG) { 7491 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7492 } 7493 int numberOfAppsInstalled = 0; 7494 if (activitiesToEnable != null) { 7495 for (ResolveInfo info : activitiesToEnable) { 7496 if (info.activityInfo != null) { 7497 String packageName = info.activityInfo.packageName; 7498 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7499 numberOfAppsInstalled++; 7500 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7501 } else { 7502 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7503 + " system app"); 7504 } 7505 } 7506 } 7507 } 7508 return numberOfAppsInstalled; 7509 } catch (RemoteException e) { 7510 // shouldn't happen 7511 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7512 return 0; 7513 } finally { 7514 mInjector.binderRestoreCallingIdentity(id); 7515 } 7516 } 7517 } 7518 7519 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7520 throws RemoteException { 7521 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 7522 userId); 7523 if (appInfo == null) { 7524 throw new IllegalArgumentException("The application " + packageName + 7525 " is not present on this device"); 7526 } 7527 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7528 } 7529 7530 @Override 7531 public void setAccountManagementDisabled(ComponentName who, String accountType, 7532 boolean disabled) { 7533 if (!mHasFeature) { 7534 return; 7535 } 7536 Preconditions.checkNotNull(who, "ComponentName is null"); 7537 synchronized (this) { 7538 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7539 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7540 if (disabled) { 7541 ap.accountTypesWithManagementDisabled.add(accountType); 7542 } else { 7543 ap.accountTypesWithManagementDisabled.remove(accountType); 7544 } 7545 saveSettingsLocked(UserHandle.getCallingUserId()); 7546 } 7547 } 7548 7549 @Override 7550 public String[] getAccountTypesWithManagementDisabled() { 7551 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7552 } 7553 7554 @Override 7555 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7556 enforceFullCrossUsersPermission(userId); 7557 if (!mHasFeature) { 7558 return null; 7559 } 7560 synchronized (this) { 7561 DevicePolicyData policy = getUserData(userId); 7562 final int N = policy.mAdminList.size(); 7563 ArraySet<String> resultSet = new ArraySet<>(); 7564 for (int i = 0; i < N; i++) { 7565 ActiveAdmin admin = policy.mAdminList.get(i); 7566 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7567 } 7568 return resultSet.toArray(new String[resultSet.size()]); 7569 } 7570 } 7571 7572 @Override 7573 public void setUninstallBlocked(ComponentName who, String packageName, 7574 boolean uninstallBlocked) { 7575 Preconditions.checkNotNull(who, "ComponentName is null"); 7576 final int userId = UserHandle.getCallingUserId(); 7577 synchronized (this) { 7578 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7579 7580 long id = mInjector.binderClearCallingIdentity(); 7581 try { 7582 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7583 } catch (RemoteException re) { 7584 // Shouldn't happen. 7585 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7586 } finally { 7587 mInjector.binderRestoreCallingIdentity(id); 7588 } 7589 } 7590 } 7591 7592 @Override 7593 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7594 // This function should return true if and only if the package is blocked by 7595 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7596 // when the package is a system app, or when it is an active device admin. 7597 final int userId = UserHandle.getCallingUserId(); 7598 7599 synchronized (this) { 7600 if (who != null) { 7601 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7602 } 7603 7604 long id = mInjector.binderClearCallingIdentity(); 7605 try { 7606 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7607 } catch (RemoteException re) { 7608 // Shouldn't happen. 7609 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7610 } finally { 7611 mInjector.binderRestoreCallingIdentity(id); 7612 } 7613 } 7614 return false; 7615 } 7616 7617 @Override 7618 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7619 if (!mHasFeature) { 7620 return; 7621 } 7622 Preconditions.checkNotNull(who, "ComponentName is null"); 7623 synchronized (this) { 7624 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7625 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7626 if (admin.disableCallerId != disabled) { 7627 admin.disableCallerId = disabled; 7628 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7629 } 7630 } 7631 } 7632 7633 @Override 7634 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7635 if (!mHasFeature) { 7636 return false; 7637 } 7638 Preconditions.checkNotNull(who, "ComponentName is null"); 7639 synchronized (this) { 7640 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7641 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7642 return admin.disableCallerId; 7643 } 7644 } 7645 7646 @Override 7647 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 7648 enforceCrossUsersPermission(userId); 7649 synchronized (this) { 7650 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7651 return (admin != null) ? admin.disableCallerId : false; 7652 } 7653 } 7654 7655 @Override 7656 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 7657 if (!mHasFeature) { 7658 return; 7659 } 7660 Preconditions.checkNotNull(who, "ComponentName is null"); 7661 synchronized (this) { 7662 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7663 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7664 if (admin.disableContactsSearch != disabled) { 7665 admin.disableContactsSearch = disabled; 7666 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7667 } 7668 } 7669 } 7670 7671 @Override 7672 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 7673 if (!mHasFeature) { 7674 return false; 7675 } 7676 Preconditions.checkNotNull(who, "ComponentName is null"); 7677 synchronized (this) { 7678 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7679 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7680 return admin.disableContactsSearch; 7681 } 7682 } 7683 7684 @Override 7685 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 7686 enforceCrossUsersPermission(userId); 7687 synchronized (this) { 7688 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7689 return (admin != null) ? admin.disableContactsSearch : false; 7690 } 7691 } 7692 7693 @Override 7694 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 7695 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 7696 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 7697 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 7698 final int callingUserId = UserHandle.getCallingUserId(); 7699 7700 final long ident = mInjector.binderClearCallingIdentity(); 7701 try { 7702 synchronized (this) { 7703 final int managedUserId = getManagedUserId(callingUserId); 7704 if (managedUserId < 0) { 7705 return; 7706 } 7707 if (isCrossProfileQuickContactDisabled(managedUserId)) { 7708 if (VERBOSE_LOG) { 7709 Log.v(LOG_TAG, 7710 "Cross-profile contacts access disabled for user " + managedUserId); 7711 } 7712 return; 7713 } 7714 ContactsInternal.startQuickContactWithErrorToastForUser( 7715 mContext, intent, new UserHandle(managedUserId)); 7716 } 7717 } finally { 7718 mInjector.binderRestoreCallingIdentity(ident); 7719 } 7720 } 7721 7722 /** 7723 * @return true if cross-profile QuickContact is disabled 7724 */ 7725 private boolean isCrossProfileQuickContactDisabled(int userId) { 7726 return getCrossProfileCallerIdDisabledForUser(userId) 7727 && getCrossProfileContactsSearchDisabledForUser(userId); 7728 } 7729 7730 /** 7731 * @return the user ID of the managed user that is linked to the current user, if any. 7732 * Otherwise -1. 7733 */ 7734 public int getManagedUserId(int callingUserId) { 7735 if (VERBOSE_LOG) { 7736 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 7737 } 7738 7739 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 7740 if (ui.id == callingUserId || !ui.isManagedProfile()) { 7741 continue; // Caller user self, or not a managed profile. Skip. 7742 } 7743 if (VERBOSE_LOG) { 7744 Log.v(LOG_TAG, "Managed user=" + ui.id); 7745 } 7746 return ui.id; 7747 } 7748 if (VERBOSE_LOG) { 7749 Log.v(LOG_TAG, "Managed user not found."); 7750 } 7751 return -1; 7752 } 7753 7754 @Override 7755 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 7756 if (!mHasFeature) { 7757 return; 7758 } 7759 Preconditions.checkNotNull(who, "ComponentName is null"); 7760 synchronized (this) { 7761 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7762 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7763 if (admin.disableBluetoothContactSharing != disabled) { 7764 admin.disableBluetoothContactSharing = disabled; 7765 saveSettingsLocked(UserHandle.getCallingUserId()); 7766 } 7767 } 7768 } 7769 7770 @Override 7771 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 7772 if (!mHasFeature) { 7773 return false; 7774 } 7775 Preconditions.checkNotNull(who, "ComponentName is null"); 7776 synchronized (this) { 7777 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7778 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7779 return admin.disableBluetoothContactSharing; 7780 } 7781 } 7782 7783 @Override 7784 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 7785 // TODO: Should there be a check to make sure this relationship is 7786 // within a profile group? 7787 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 7788 synchronized (this) { 7789 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7790 return (admin != null) ? admin.disableBluetoothContactSharing : false; 7791 } 7792 } 7793 7794 /** 7795 * Sets which packages may enter lock task mode. 7796 * 7797 * <p>This function can only be called by the device owner or alternatively by the profile owner 7798 * in case the user is affiliated. 7799 * 7800 * @param packages The list of packages allowed to enter lock task mode. 7801 */ 7802 @Override 7803 public void setLockTaskPackages(ComponentName who, String[] packages) 7804 throws SecurityException { 7805 Preconditions.checkNotNull(who, "ComponentName is null"); 7806 synchronized (this) { 7807 ActiveAdmin deviceOwner = getActiveAdminWithPolicyForUidLocked( 7808 who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, mInjector.binderGetCallingUid()); 7809 ActiveAdmin profileOwner = getActiveAdminWithPolicyForUidLocked( 7810 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()); 7811 if (deviceOwner != null || (profileOwner != null && isAffiliatedUser())) { 7812 int userHandle = mInjector.userHandleGetCallingUserId(); 7813 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 7814 } else { 7815 throw new SecurityException("Admin " + who + 7816 " is neither the device owner or affiliated user's profile owner."); 7817 } 7818 } 7819 } 7820 7821 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 7822 DevicePolicyData policy = getUserData(userHandle); 7823 policy.mLockTaskPackages = packages; 7824 7825 // Store the settings persistently. 7826 saveSettingsLocked(userHandle); 7827 updateLockTaskPackagesLocked(packages, userHandle); 7828 } 7829 7830 /** 7831 * This function returns the list of components allowed to start the task lock mode. 7832 */ 7833 @Override 7834 public String[] getLockTaskPackages(ComponentName who) { 7835 Preconditions.checkNotNull(who, "ComponentName is null"); 7836 synchronized (this) { 7837 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7838 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7839 final List<String> packages = getLockTaskPackagesLocked(userHandle); 7840 return packages.toArray(new String[packages.size()]); 7841 } 7842 } 7843 7844 private List<String> getLockTaskPackagesLocked(int userHandle) { 7845 final DevicePolicyData policy = getUserData(userHandle); 7846 return policy.mLockTaskPackages; 7847 } 7848 7849 /** 7850 * This function lets the caller know whether the given package is allowed to start the 7851 * lock task mode. 7852 * @param pkg The package to check 7853 */ 7854 @Override 7855 public boolean isLockTaskPermitted(String pkg) { 7856 // Get current user's devicepolicy 7857 int uid = mInjector.binderGetCallingUid(); 7858 int userHandle = UserHandle.getUserId(uid); 7859 DevicePolicyData policy = getUserData(userHandle); 7860 synchronized (this) { 7861 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 7862 String lockTaskPackage = policy.mLockTaskPackages.get(i); 7863 7864 // If the given package equals one of the packages stored our list, 7865 // we allow this package to start lock task mode. 7866 if (lockTaskPackage.equals(pkg)) { 7867 return true; 7868 } 7869 } 7870 } 7871 return false; 7872 } 7873 7874 @Override 7875 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 7876 if (!isCallerWithSystemUid()) { 7877 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 7878 } 7879 synchronized (this) { 7880 final DevicePolicyData policy = getUserData(userHandle); 7881 Bundle adminExtras = new Bundle(); 7882 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 7883 for (ActiveAdmin admin : policy.mAdminList) { 7884 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 7885 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 7886 if (ownsDevice || ownsProfile) { 7887 if (isEnabled) { 7888 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 7889 adminExtras, null); 7890 } else { 7891 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 7892 } 7893 } 7894 } 7895 } 7896 } 7897 7898 @Override 7899 public void setGlobalSetting(ComponentName who, String setting, String value) { 7900 Preconditions.checkNotNull(who, "ComponentName is null"); 7901 7902 synchronized (this) { 7903 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7904 7905 // Some settings are no supported any more. However we do not want to throw a 7906 // SecurityException to avoid breaking apps. 7907 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 7908 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 7909 return; 7910 } 7911 7912 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 7913 throw new SecurityException(String.format( 7914 "Permission denial: device owners cannot update %1$s", setting)); 7915 } 7916 7917 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 7918 // ignore if it contradicts an existing policy 7919 long timeMs = getMaximumTimeToLock( 7920 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 7921 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 7922 return; 7923 } 7924 } 7925 7926 long id = mInjector.binderClearCallingIdentity(); 7927 try { 7928 mInjector.settingsGlobalPutString(setting, value); 7929 } finally { 7930 mInjector.binderRestoreCallingIdentity(id); 7931 } 7932 } 7933 } 7934 7935 @Override 7936 public void setSecureSetting(ComponentName who, String setting, String value) { 7937 Preconditions.checkNotNull(who, "ComponentName is null"); 7938 int callingUserId = mInjector.userHandleGetCallingUserId(); 7939 7940 synchronized (this) { 7941 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7942 7943 if (isDeviceOwner(who, callingUserId)) { 7944 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 7945 throw new SecurityException(String.format( 7946 "Permission denial: Device owners cannot update %1$s", setting)); 7947 } 7948 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 7949 throw new SecurityException(String.format( 7950 "Permission denial: Profile owners cannot update %1$s", setting)); 7951 } 7952 7953 long id = mInjector.binderClearCallingIdentity(); 7954 try { 7955 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 7956 } finally { 7957 mInjector.binderRestoreCallingIdentity(id); 7958 } 7959 } 7960 } 7961 7962 @Override 7963 public void setMasterVolumeMuted(ComponentName who, boolean on) { 7964 Preconditions.checkNotNull(who, "ComponentName is null"); 7965 synchronized (this) { 7966 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7967 setUserRestriction(who, UserManager.DISALLLOW_UNMUTE_DEVICE, on); 7968 } 7969 } 7970 7971 @Override 7972 public boolean isMasterVolumeMuted(ComponentName who) { 7973 Preconditions.checkNotNull(who, "ComponentName is null"); 7974 synchronized (this) { 7975 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7976 7977 AudioManager audioManager = 7978 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 7979 return audioManager.isMasterMute(); 7980 } 7981 } 7982 7983 @Override 7984 public void setUserIcon(ComponentName who, Bitmap icon) { 7985 synchronized (this) { 7986 Preconditions.checkNotNull(who, "ComponentName is null"); 7987 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7988 7989 int userId = UserHandle.getCallingUserId(); 7990 long id = mInjector.binderClearCallingIdentity(); 7991 try { 7992 mUserManagerInternal.setUserIcon(userId, icon); 7993 } finally { 7994 mInjector.binderRestoreCallingIdentity(id); 7995 } 7996 } 7997 } 7998 7999 @Override 8000 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8001 Preconditions.checkNotNull(who, "ComponentName is null"); 8002 synchronized (this) { 8003 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8004 } 8005 final int userId = UserHandle.getCallingUserId(); 8006 8007 long ident = mInjector.binderClearCallingIdentity(); 8008 try { 8009 // disallow disabling the keyguard if a password is currently set 8010 if (disabled && mLockPatternUtils.isSecure(userId)) { 8011 return false; 8012 } 8013 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8014 } finally { 8015 mInjector.binderRestoreCallingIdentity(ident); 8016 } 8017 return true; 8018 } 8019 8020 @Override 8021 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8022 int userId = UserHandle.getCallingUserId(); 8023 synchronized (this) { 8024 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8025 DevicePolicyData policy = getUserData(userId); 8026 if (policy.mStatusBarDisabled != disabled) { 8027 if (!setStatusBarDisabledInternal(disabled, userId)) { 8028 return false; 8029 } 8030 policy.mStatusBarDisabled = disabled; 8031 saveSettingsLocked(userId); 8032 } 8033 } 8034 return true; 8035 } 8036 8037 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8038 long ident = mInjector.binderClearCallingIdentity(); 8039 try { 8040 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8041 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8042 if (statusBarService != null) { 8043 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8044 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8045 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8046 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8047 return true; 8048 } 8049 } catch (RemoteException e) { 8050 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8051 } finally { 8052 mInjector.binderRestoreCallingIdentity(ident); 8053 } 8054 return false; 8055 } 8056 8057 /** 8058 * We need to update the internal state of whether a user has completed setup once. After 8059 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 8060 * as we don't trust any apps that might try to reset it. 8061 * <p> 8062 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8063 * them. 8064 */ 8065 void updateUserSetupComplete() { 8066 List<UserInfo> users = mUserManager.getUsers(true); 8067 final int N = users.size(); 8068 for (int i = 0; i < N; i++) { 8069 int userHandle = users.get(i).id; 8070 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8071 userHandle) != 0) { 8072 DevicePolicyData policy = getUserData(userHandle); 8073 if (!policy.mUserSetupComplete) { 8074 policy.mUserSetupComplete = true; 8075 synchronized (this) { 8076 saveSettingsLocked(userHandle); 8077 } 8078 } 8079 } 8080 } 8081 } 8082 8083 private class SetupContentObserver extends ContentObserver { 8084 8085 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8086 Settings.Secure.USER_SETUP_COMPLETE); 8087 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8088 Settings.Global.DEVICE_PROVISIONED); 8089 8090 public SetupContentObserver(Handler handler) { 8091 super(handler); 8092 } 8093 8094 void register() { 8095 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8096 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8097 } 8098 8099 @Override 8100 public void onChange(boolean selfChange, Uri uri) { 8101 if (mUserSetupComplete.equals(uri)) { 8102 updateUserSetupComplete(); 8103 } else if (mDeviceProvisioned.equals(uri)) { 8104 synchronized (DevicePolicyManagerService.this) { 8105 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8106 // is delayed until device is marked as provisioned. 8107 setDeviceOwnerSystemPropertyLocked(); 8108 } 8109 } 8110 } 8111 } 8112 8113 @VisibleForTesting 8114 final class LocalService extends DevicePolicyManagerInternal { 8115 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8116 8117 @Override 8118 public List<String> getCrossProfileWidgetProviders(int profileId) { 8119 synchronized (DevicePolicyManagerService.this) { 8120 if (mOwners == null) { 8121 return Collections.emptyList(); 8122 } 8123 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8124 if (ownerComponent == null) { 8125 return Collections.emptyList(); 8126 } 8127 8128 DevicePolicyData policy = getUserDataUnchecked(profileId); 8129 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8130 8131 if (admin == null || admin.crossProfileWidgetProviders == null 8132 || admin.crossProfileWidgetProviders.isEmpty()) { 8133 return Collections.emptyList(); 8134 } 8135 8136 return admin.crossProfileWidgetProviders; 8137 } 8138 } 8139 8140 @Override 8141 public void addOnCrossProfileWidgetProvidersChangeListener( 8142 OnCrossProfileWidgetProvidersChangeListener listener) { 8143 synchronized (DevicePolicyManagerService.this) { 8144 if (mWidgetProviderListeners == null) { 8145 mWidgetProviderListeners = new ArrayList<>(); 8146 } 8147 if (!mWidgetProviderListeners.contains(listener)) { 8148 mWidgetProviderListeners.add(listener); 8149 } 8150 } 8151 } 8152 8153 @Override 8154 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8155 synchronized(DevicePolicyManagerService.this) { 8156 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8157 } 8158 } 8159 8160 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8161 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8162 synchronized (DevicePolicyManagerService.this) { 8163 listeners = new ArrayList<>(mWidgetProviderListeners); 8164 } 8165 final int listenerCount = listeners.size(); 8166 for (int i = 0; i < listenerCount; i++) { 8167 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8168 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8169 } 8170 } 8171 8172 @Override 8173 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 8174 // This method is called from AM with its lock held, so don't take the DPMS lock. 8175 // b/29242568 8176 8177 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8178 if (profileOwner != null) { 8179 return createShowAdminSupportIntent(profileOwner, userId); 8180 } 8181 8182 final Pair<Integer, ComponentName> deviceOwner = 8183 mOwners.getDeviceOwnerUserIdAndComponent(); 8184 if (deviceOwner != null && deviceOwner.first == userId) { 8185 return createShowAdminSupportIntent(deviceOwner.second, userId); 8186 } 8187 8188 // We're not specifying the device admin because there isn't one. 8189 if (useDefaultIfNoAdmin) { 8190 return createShowAdminSupportIntent(null, userId); 8191 } 8192 return null; 8193 } 8194 8195 @Override 8196 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 8197 int source; 8198 long ident = mInjector.binderClearCallingIdentity(); 8199 try { 8200 source = mUserManager.getUserRestrictionSource(userRestriction, 8201 UserHandle.of(userId)); 8202 } finally { 8203 mInjector.binderRestoreCallingIdentity(ident); 8204 } 8205 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 8206 /* 8207 * In this case, the user restriction is enforced by the system. 8208 * So we won't show an admin support intent, even if it is also 8209 * enforced by a profile/device owner. 8210 */ 8211 return null; 8212 } 8213 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 8214 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 8215 if (enforcedByDo && enforcedByPo) { 8216 // In this case, we'll show an admin support dialog that does not 8217 // specify the admin. 8218 return createShowAdminSupportIntent(null, userId); 8219 } else if (enforcedByPo) { 8220 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8221 if (profileOwner != null) { 8222 return createShowAdminSupportIntent(profileOwner, userId); 8223 } 8224 // This could happen if another thread has changed the profile owner since we called 8225 // getUserRestrictionSource 8226 return null; 8227 } else if (enforcedByDo) { 8228 final Pair<Integer, ComponentName> deviceOwner 8229 = mOwners.getDeviceOwnerUserIdAndComponent(); 8230 if (deviceOwner != null) { 8231 return createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 8232 } 8233 // This could happen if another thread has changed the device owner since we called 8234 // getUserRestrictionSource 8235 return null; 8236 } 8237 return null; 8238 } 8239 8240 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 8241 // This method is called with AMS lock held, so don't take DPMS lock 8242 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8243 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8244 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 8245 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8246 return intent; 8247 } 8248 } 8249 8250 /** 8251 * Returns true if specified admin is allowed to limit passwords and has a 8252 * {@code passwordQuality} of at least {@code minPasswordQuality} 8253 */ 8254 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8255 if (admin.passwordQuality < minPasswordQuality) { 8256 return false; 8257 } 8258 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8259 } 8260 8261 @Override 8262 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8263 if (policy != null && !policy.isValid()) { 8264 throw new IllegalArgumentException("Invalid system update policy."); 8265 } 8266 synchronized (this) { 8267 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8268 if (policy == null) { 8269 mOwners.clearSystemUpdatePolicy(); 8270 } else { 8271 mOwners.setSystemUpdatePolicy(policy); 8272 } 8273 mOwners.writeDeviceOwner(); 8274 } 8275 mContext.sendBroadcastAsUser( 8276 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8277 UserHandle.SYSTEM); 8278 } 8279 8280 @Override 8281 public SystemUpdatePolicy getSystemUpdatePolicy() { 8282 if (UserManager.isDeviceInDemoMode(mContext)) { 8283 // Pretending to have an automatic update policy when the device is in retail demo 8284 // mode. This will allow the device to download and install an ota without 8285 // any user interaction. 8286 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 8287 } 8288 synchronized (this) { 8289 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8290 if (policy != null && !policy.isValid()) { 8291 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8292 return null; 8293 } 8294 return policy; 8295 } 8296 } 8297 8298 /** 8299 * Checks if the caller of the method is the device owner app. 8300 * 8301 * @param callerUid UID of the caller. 8302 * @return true if the caller is the device owner app 8303 */ 8304 @VisibleForTesting 8305 boolean isCallerDeviceOwner(int callerUid) { 8306 synchronized (this) { 8307 if (!mOwners.hasDeviceOwner()) { 8308 return false; 8309 } 8310 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8311 return false; 8312 } 8313 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8314 .getPackageName(); 8315 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 8316 8317 for (String pkg : pkgs) { 8318 if (deviceOwnerPackageName.equals(pkg)) { 8319 return true; 8320 } 8321 } 8322 } 8323 8324 return false; 8325 } 8326 8327 @Override 8328 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8329 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8330 "Only the system update service can broadcast update information"); 8331 8332 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8333 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8334 "can broadcast update information."); 8335 return; 8336 } 8337 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8338 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8339 updateReceivedTime); 8340 8341 synchronized (this) { 8342 final String deviceOwnerPackage = 8343 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 8344 : null; 8345 if (deviceOwnerPackage == null) { 8346 return; 8347 } 8348 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 8349 8350 ActivityInfo[] receivers = null; 8351 try { 8352 receivers = mContext.getPackageManager().getPackageInfo( 8353 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 8354 } catch (NameNotFoundException e) { 8355 Log.e(LOG_TAG, "Cannot find device owner package", e); 8356 } 8357 if (receivers != null) { 8358 long ident = mInjector.binderClearCallingIdentity(); 8359 try { 8360 for (int i = 0; i < receivers.length; i++) { 8361 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 8362 intent.setComponent(new ComponentName(deviceOwnerPackage, 8363 receivers[i].name)); 8364 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8365 } 8366 } 8367 } finally { 8368 mInjector.binderRestoreCallingIdentity(ident); 8369 } 8370 } 8371 } 8372 } 8373 8374 @Override 8375 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8376 int userId = UserHandle.getCallingUserId(); 8377 synchronized (this) { 8378 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8379 DevicePolicyData userPolicy = getUserData(userId); 8380 if (userPolicy.mPermissionPolicy != policy) { 8381 userPolicy.mPermissionPolicy = policy; 8382 saveSettingsLocked(userId); 8383 } 8384 } 8385 } 8386 8387 @Override 8388 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8389 int userId = UserHandle.getCallingUserId(); 8390 synchronized (this) { 8391 DevicePolicyData userPolicy = getUserData(userId); 8392 return userPolicy.mPermissionPolicy; 8393 } 8394 } 8395 8396 @Override 8397 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8398 String permission, int grantState) throws RemoteException { 8399 UserHandle user = mInjector.binderGetCallingUserHandle(); 8400 synchronized (this) { 8401 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8402 long ident = mInjector.binderClearCallingIdentity(); 8403 try { 8404 if (getTargetSdk(packageName, user.getIdentifier()) 8405 < android.os.Build.VERSION_CODES.M) { 8406 return false; 8407 } 8408 final PackageManager packageManager = mContext.getPackageManager(); 8409 switch (grantState) { 8410 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8411 packageManager.grantRuntimePermission(packageName, permission, user); 8412 packageManager.updatePermissionFlags(permission, packageName, 8413 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8414 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8415 } break; 8416 8417 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8418 packageManager.revokeRuntimePermission(packageName, 8419 permission, user); 8420 packageManager.updatePermissionFlags(permission, packageName, 8421 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8422 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8423 } break; 8424 8425 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8426 packageManager.updatePermissionFlags(permission, packageName, 8427 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8428 } break; 8429 } 8430 return true; 8431 } catch (SecurityException se) { 8432 return false; 8433 } finally { 8434 mInjector.binderRestoreCallingIdentity(ident); 8435 } 8436 } 8437 } 8438 8439 @Override 8440 public int getPermissionGrantState(ComponentName admin, String packageName, 8441 String permission) throws RemoteException { 8442 PackageManager packageManager = mContext.getPackageManager(); 8443 8444 UserHandle user = mInjector.binderGetCallingUserHandle(); 8445 synchronized (this) { 8446 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8447 long ident = mInjector.binderClearCallingIdentity(); 8448 try { 8449 int granted = mIPackageManager.checkPermission(permission, 8450 packageName, user.getIdentifier()); 8451 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8452 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8453 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8454 // Not controlled by policy 8455 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8456 } else { 8457 // Policy controlled so return result based on permission grant state 8458 return granted == PackageManager.PERMISSION_GRANTED 8459 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8460 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8461 } 8462 } finally { 8463 mInjector.binderRestoreCallingIdentity(ident); 8464 } 8465 } 8466 } 8467 8468 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8469 try { 8470 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8471 userHandle); 8472 return (pi != null) && (pi.applicationInfo.flags != 0); 8473 } catch (RemoteException re) { 8474 throw new RuntimeException("Package manager has died", re); 8475 } 8476 } 8477 8478 @Override 8479 public boolean isProvisioningAllowed(String action) { 8480 if (!mHasFeature) { 8481 return false; 8482 } 8483 8484 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8485 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 8486 if (!hasFeatureManagedUsers()) { 8487 return false; 8488 } 8489 synchronized (this) { 8490 if (mOwners.hasDeviceOwner()) { 8491 if (!mInjector.userManagerIsSplitSystemUser()) { 8492 // Only split-system-user systems support managed-profiles in combination with 8493 // device-owner. 8494 return false; 8495 } 8496 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 8497 // Only system device-owner supports managed-profiles. Non-system device-owner 8498 // doesn't. 8499 return false; 8500 } 8501 if (callingUserId == UserHandle.USER_SYSTEM) { 8502 // Managed-profiles cannot be setup on the system user, only regular users. 8503 return false; 8504 } 8505 } 8506 } 8507 if (getProfileOwner(callingUserId) != null) { 8508 // Managed user cannot have a managed profile. 8509 return false; 8510 } 8511 final long ident = mInjector.binderClearCallingIdentity(); 8512 try { 8513 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 8514 return false; 8515 } 8516 } finally { 8517 mInjector.binderRestoreCallingIdentity(ident); 8518 } 8519 return true; 8520 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 8521 return isDeviceOwnerProvisioningAllowed(callingUserId); 8522 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 8523 if (!hasFeatureManagedUsers()) { 8524 return false; 8525 } 8526 if (!mInjector.userManagerIsSplitSystemUser()) { 8527 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 8528 return false; 8529 } 8530 if (callingUserId == UserHandle.USER_SYSTEM) { 8531 // System user cannot be a managed user. 8532 return false; 8533 } 8534 if (hasUserSetupCompleted(callingUserId)) { 8535 return false; 8536 } 8537 return true; 8538 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 8539 if (!mInjector.userManagerIsSplitSystemUser()) { 8540 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 8541 return false; 8542 } 8543 return isDeviceOwnerProvisioningAllowed(callingUserId); 8544 } 8545 throw new IllegalArgumentException("Unknown provisioning action " + action); 8546 } 8547 8548 /* 8549 * The device owner can only be set before the setup phase of the primary user has completed, 8550 * except for adb command if no accounts or additional users are present on the device. 8551 */ 8552 private synchronized @DeviceOwnerPreConditionCode int checkSetDeviceOwnerPreCondition( 8553 int deviceOwnerUserId, boolean isAdb) { 8554 if (mOwners.hasDeviceOwner()) { 8555 return CODE_HAS_DEVICE_OWNER; 8556 } 8557 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8558 return CODE_USER_HAS_PROFILE_OWNER; 8559 } 8560 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8561 return CODE_USER_NOT_RUNNING; 8562 } 8563 if (isAdb) { 8564 // if shell command runs after user setup completed check device status. Otherwise, OK. 8565 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8566 if (!mInjector.userManagerIsSplitSystemUser()) { 8567 if (mUserManager.getUserCount() > 1) { 8568 return CODE_NONSYSTEM_USER_EXISTS; 8569 } 8570 if (AccountManager.get(mContext).getAccounts().length > 0) { 8571 return CODE_ACCOUNTS_NOT_EMPTY; 8572 } 8573 } else { 8574 // STOPSHIP Do proper check in split user mode 8575 } 8576 } 8577 return CODE_OK; 8578 } else { 8579 if (!mInjector.userManagerIsSplitSystemUser()) { 8580 // In non-split user mode, DO has to be user 0 8581 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8582 return CODE_NOT_SYSTEM_USER; 8583 } 8584 // In non-split user mode, only provision DO before setup wizard completes 8585 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8586 return CODE_USER_SETUP_COMPLETED; 8587 } 8588 } else { 8589 // STOPSHIP Do proper check in split user mode 8590 } 8591 return CODE_OK; 8592 } 8593 } 8594 8595 private boolean isDeviceOwnerProvisioningAllowed(int deviceOwnerUserId) { 8596 return CODE_OK == checkSetDeviceOwnerPreCondition(deviceOwnerUserId, /* isAdb */ false); 8597 } 8598 8599 private boolean hasFeatureManagedUsers() { 8600 try { 8601 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 8602 } catch (RemoteException e) { 8603 return false; 8604 } 8605 } 8606 8607 @Override 8608 public String getWifiMacAddress(ComponentName admin) { 8609 // Make sure caller has DO. 8610 synchronized (this) { 8611 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8612 } 8613 8614 final long ident = mInjector.binderClearCallingIdentity(); 8615 try { 8616 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 8617 if (wifiInfo == null) { 8618 return null; 8619 } 8620 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 8621 } finally { 8622 mInjector.binderRestoreCallingIdentity(ident); 8623 } 8624 } 8625 8626 /** 8627 * Returns the target sdk version number that the given packageName was built for 8628 * in the given user. 8629 */ 8630 private int getTargetSdk(String packageName, int userId) { 8631 final ApplicationInfo ai; 8632 try { 8633 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 8634 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 8635 return targetSdkVersion; 8636 } catch (RemoteException e) { 8637 // Shouldn't happen 8638 return 0; 8639 } 8640 } 8641 8642 @Override 8643 public boolean isManagedProfile(ComponentName admin) { 8644 synchronized (this) { 8645 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8646 } 8647 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8648 final UserInfo user = getUserInfo(callingUserId); 8649 return user != null && user.isManagedProfile(); 8650 } 8651 8652 @Override 8653 public boolean isSystemOnlyUser(ComponentName admin) { 8654 synchronized (this) { 8655 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8656 } 8657 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8658 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 8659 } 8660 8661 @Override 8662 public void reboot(ComponentName admin) { 8663 Preconditions.checkNotNull(admin); 8664 // Make sure caller has DO. 8665 synchronized (this) { 8666 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8667 } 8668 long ident = mInjector.binderClearCallingIdentity(); 8669 try { 8670 // Make sure there are no ongoing calls on the device. 8671 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 8672 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 8673 } 8674 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 8675 } finally { 8676 mInjector.binderRestoreCallingIdentity(ident); 8677 } 8678 } 8679 8680 @Override 8681 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 8682 if (!mHasFeature) { 8683 return; 8684 } 8685 Preconditions.checkNotNull(who, "ComponentName is null"); 8686 final int userHandle = mInjector.userHandleGetCallingUserId(); 8687 synchronized (this) { 8688 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8689 mInjector.binderGetCallingUid()); 8690 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 8691 admin.shortSupportMessage = message; 8692 saveSettingsLocked(userHandle); 8693 } 8694 } 8695 } 8696 8697 @Override 8698 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 8699 if (!mHasFeature) { 8700 return null; 8701 } 8702 Preconditions.checkNotNull(who, "ComponentName is null"); 8703 synchronized (this) { 8704 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8705 mInjector.binderGetCallingUid()); 8706 return admin.shortSupportMessage; 8707 } 8708 } 8709 8710 @Override 8711 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 8712 if (!mHasFeature) { 8713 return; 8714 } 8715 Preconditions.checkNotNull(who, "ComponentName is null"); 8716 final int userHandle = mInjector.userHandleGetCallingUserId(); 8717 synchronized (this) { 8718 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8719 mInjector.binderGetCallingUid()); 8720 if (!TextUtils.equals(admin.longSupportMessage, message)) { 8721 admin.longSupportMessage = message; 8722 saveSettingsLocked(userHandle); 8723 } 8724 } 8725 } 8726 8727 @Override 8728 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 8729 if (!mHasFeature) { 8730 return null; 8731 } 8732 Preconditions.checkNotNull(who, "ComponentName is null"); 8733 synchronized (this) { 8734 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8735 mInjector.binderGetCallingUid()); 8736 return admin.longSupportMessage; 8737 } 8738 } 8739 8740 @Override 8741 public CharSequence getShortSupportMessageForUser(@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.shortSupportMessage; 8753 } 8754 } 8755 return null; 8756 } 8757 8758 @Override 8759 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8760 if (!mHasFeature) { 8761 return null; 8762 } 8763 Preconditions.checkNotNull(who, "ComponentName is null"); 8764 if (!isCallerWithSystemUid()) { 8765 throw new SecurityException("Only the system can query support message for user"); 8766 } 8767 synchronized (this) { 8768 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8769 if (admin != null) { 8770 return admin.longSupportMessage; 8771 } 8772 } 8773 return null; 8774 } 8775 8776 @Override 8777 public void setOrganizationColor(@NonNull ComponentName who, int color) { 8778 if (!mHasFeature) { 8779 return; 8780 } 8781 Preconditions.checkNotNull(who, "ComponentName is null"); 8782 final int userHandle = mInjector.userHandleGetCallingUserId(); 8783 enforceManagedProfile(userHandle, "set organization color"); 8784 synchronized (this) { 8785 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8786 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8787 admin.organizationColor = color; 8788 saveSettingsLocked(userHandle); 8789 } 8790 } 8791 8792 @Override 8793 public void setOrganizationColorForUser(int color, int userId) { 8794 if (!mHasFeature) { 8795 return; 8796 } 8797 enforceFullCrossUsersPermission(userId); 8798 enforceManageUsers(); 8799 enforceManagedProfile(userId, "set organization color"); 8800 synchronized (this) { 8801 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8802 admin.organizationColor = color; 8803 saveSettingsLocked(userId); 8804 } 8805 } 8806 8807 @Override 8808 public int getOrganizationColor(@NonNull ComponentName who) { 8809 if (!mHasFeature) { 8810 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8811 } 8812 Preconditions.checkNotNull(who, "ComponentName is null"); 8813 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 8814 synchronized (this) { 8815 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8816 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8817 return admin.organizationColor; 8818 } 8819 } 8820 8821 @Override 8822 public int getOrganizationColorForUser(int userHandle) { 8823 if (!mHasFeature) { 8824 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8825 } 8826 enforceFullCrossUsersPermission(userHandle); 8827 enforceManagedProfile(userHandle, "get organization color"); 8828 synchronized (this) { 8829 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8830 return (profileOwner != null) 8831 ? profileOwner.organizationColor 8832 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 8833 } 8834 } 8835 8836 @Override 8837 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 8838 if (!mHasFeature) { 8839 return; 8840 } 8841 Preconditions.checkNotNull(who, "ComponentName is null"); 8842 final int userHandle = mInjector.userHandleGetCallingUserId(); 8843 enforceManagedProfile(userHandle, "set organization name"); 8844 synchronized (this) { 8845 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8846 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8847 if (!TextUtils.equals(admin.organizationName, text)) { 8848 admin.organizationName = (text == null || text.length() == 0) 8849 ? null : text.toString(); 8850 saveSettingsLocked(userHandle); 8851 } 8852 } 8853 } 8854 8855 @Override 8856 public CharSequence getOrganizationName(@NonNull ComponentName who) { 8857 if (!mHasFeature) { 8858 return null; 8859 } 8860 Preconditions.checkNotNull(who, "ComponentName is null"); 8861 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 8862 synchronized(this) { 8863 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8864 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8865 return admin.organizationName; 8866 } 8867 } 8868 8869 @Override 8870 public CharSequence getOrganizationNameForUser(int userHandle) { 8871 if (!mHasFeature) { 8872 return null; 8873 } 8874 enforceFullCrossUsersPermission(userHandle); 8875 enforceManagedProfile(userHandle, "get organization name"); 8876 synchronized (this) { 8877 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8878 return (profileOwner != null) 8879 ? profileOwner.organizationName 8880 : null; 8881 } 8882 } 8883 8884 @Override 8885 public void setAffiliationIds(ComponentName admin, List<String> ids) { 8886 final Set<String> affiliationIds = new ArraySet<String>(ids); 8887 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8888 8889 synchronized (this) { 8890 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8891 getUserData(callingUserId).mAffiliationIds = affiliationIds; 8892 saveSettingsLocked(callingUserId); 8893 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 8894 // Affiliation ids specified by the device owner are additionally stored in 8895 // UserHandle.USER_SYSTEM's DevicePolicyData. 8896 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 8897 saveSettingsLocked(UserHandle.USER_SYSTEM); 8898 } 8899 } 8900 } 8901 8902 @Override 8903 public boolean isAffiliatedUser() { 8904 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8905 8906 synchronized (this) { 8907 if (mOwners.getDeviceOwnerUserId() == callingUserId) { 8908 // The user that the DO is installed on is always affiliated. 8909 return true; 8910 } 8911 final ComponentName profileOwner = getProfileOwner(callingUserId); 8912 if (profileOwner == null 8913 || !profileOwner.getPackageName().equals(mOwners.getDeviceOwnerPackageName())) { 8914 return false; 8915 } 8916 final Set<String> userAffiliationIds = getUserData(callingUserId).mAffiliationIds; 8917 final Set<String> deviceAffiliationIds = 8918 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 8919 for (String id : userAffiliationIds) { 8920 if (deviceAffiliationIds.contains(id)) { 8921 return true; 8922 } 8923 } 8924 } 8925 return false; 8926 } 8927 8928 private synchronized void disableSecurityLoggingIfNotCompliant() { 8929 if (!isDeviceOwnerManagedSingleUserDevice()) { 8930 mInjector.securityLogSetLoggingEnabledProperty(false); 8931 Slog.w(LOG_TAG, "Security logging turned off as it's no longer a single user device."); 8932 } 8933 } 8934 8935 @Override 8936 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 8937 Preconditions.checkNotNull(admin); 8938 ensureDeviceOwnerManagingSingleUser(admin); 8939 8940 synchronized (this) { 8941 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 8942 return; 8943 } 8944 mInjector.securityLogSetLoggingEnabledProperty(enabled); 8945 if (enabled) { 8946 mSecurityLogMonitor.start(); 8947 } else { 8948 mSecurityLogMonitor.stop(); 8949 } 8950 } 8951 } 8952 8953 @Override 8954 public boolean isSecurityLoggingEnabled(ComponentName admin) { 8955 Preconditions.checkNotNull(admin); 8956 synchronized (this) { 8957 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8958 return mInjector.securityLogGetLoggingEnabledProperty(); 8959 } 8960 } 8961 8962 @Override 8963 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 8964 Preconditions.checkNotNull(admin); 8965 ensureDeviceOwnerManagingSingleUser(admin); 8966 8967 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs)) { 8968 return null; 8969 } 8970 8971 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 8972 try { 8973 SecurityLog.readPreviousEvents(output); 8974 return new ParceledListSlice<SecurityEvent>(output); 8975 } catch (IOException e) { 8976 Slog.w(LOG_TAG, "Fail to read previous events" , e); 8977 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 8978 } 8979 } 8980 8981 @Override 8982 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 8983 Preconditions.checkNotNull(admin); 8984 ensureDeviceOwnerManagingSingleUser(admin); 8985 8986 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 8987 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 8988 } 8989 8990 private void enforceCanManageDeviceAdmin() { 8991 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 8992 null); 8993 } 8994 8995 private void enforceCanManageProfileAndDeviceOwners() { 8996 mContext.enforceCallingOrSelfPermission( 8997 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 8998 } 8999 9000 @Override 9001 public boolean isUninstallInQueue(final String packageName) { 9002 enforceCanManageDeviceAdmin(); 9003 final int userId = mInjector.userHandleGetCallingUserId(); 9004 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9005 synchronized (this) { 9006 return mPackagesToRemove.contains(packageUserPair); 9007 } 9008 } 9009 9010 @Override 9011 public void uninstallPackageWithActiveAdmins(final String packageName) { 9012 enforceCanManageDeviceAdmin(); 9013 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 9014 9015 final int userId = mInjector.userHandleGetCallingUserId(); 9016 9017 enforceUserUnlocked(userId); 9018 9019 final ComponentName profileOwner = getProfileOwner(userId); 9020 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 9021 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 9022 } 9023 9024 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 9025 if (getDeviceOwnerUserId() == userId && deviceOwner != null 9026 && packageName.equals(deviceOwner.getPackageName())) { 9027 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 9028 } 9029 9030 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9031 synchronized (this) { 9032 mPackagesToRemove.add(packageUserPair); 9033 } 9034 9035 // All active admins on the user. 9036 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 9037 9038 // Active admins in the target package. 9039 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 9040 if (allActiveAdmins != null) { 9041 for (ComponentName activeAdmin : allActiveAdmins) { 9042 if (packageName.equals(activeAdmin.getPackageName())) { 9043 packageActiveAdmins.add(activeAdmin); 9044 removeActiveAdmin(activeAdmin, userId); 9045 } 9046 } 9047 } 9048 if (packageActiveAdmins.size() == 0) { 9049 startUninstallIntent(packageName, userId); 9050 } else { 9051 mHandler.postDelayed(new Runnable() { 9052 @Override 9053 public void run() { 9054 for (ComponentName activeAdmin : packageActiveAdmins) { 9055 removeAdminArtifacts(activeAdmin, userId); 9056 } 9057 startUninstallIntent(packageName, userId); 9058 } 9059 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 9060 } 9061 } 9062 9063 @Override 9064 public boolean isDeviceProvisioned() { 9065 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 9066 } 9067 9068 private void removePackageIfRequired(final String packageName, final int userId) { 9069 if (!packageHasActiveAdmins(packageName, userId)) { 9070 // Will not do anything if uninstall was not requested or was already started. 9071 startUninstallIntent(packageName, userId); 9072 } 9073 } 9074 9075 private void startUninstallIntent(final String packageName, final int userId) { 9076 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9077 synchronized (this) { 9078 if (!mPackagesToRemove.contains(packageUserPair)) { 9079 // Do nothing if uninstall was not requested or was already started. 9080 return; 9081 } 9082 mPackagesToRemove.remove(packageUserPair); 9083 } 9084 try { 9085 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 9086 // Package does not exist. Nothing to do. 9087 return; 9088 } 9089 } catch (RemoteException re) { 9090 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 9091 } 9092 9093 try { // force stop the package before uninstalling 9094 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 9095 } catch (RemoteException re) { 9096 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 9097 } 9098 final Uri packageURI = Uri.parse("package:" + packageName); 9099 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9100 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9101 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9102 } 9103 9104 /** 9105 * Removes the admin from the policy. Ideally called after the admin's 9106 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9107 * 9108 * @param adminReceiver The admin to remove 9109 * @param userHandle The user for which this admin has to be removed. 9110 */ 9111 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9112 synchronized (this) { 9113 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9114 if (admin == null) { 9115 return; 9116 } 9117 final DevicePolicyData policy = getUserData(userHandle); 9118 final boolean doProxyCleanup = admin.info.usesPolicy( 9119 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9120 policy.mAdminList.remove(admin); 9121 policy.mAdminMap.remove(adminReceiver); 9122 validatePasswordOwnerLocked(policy); 9123 if (doProxyCleanup) { 9124 resetGlobalProxyLocked(policy); 9125 } 9126 saveSettingsLocked(userHandle); 9127 updateMaximumTimeToLockLocked(userHandle); 9128 policy.mRemovingAdmins.remove(adminReceiver); 9129 } 9130 // The removed admin might have disabled camera, so update user 9131 // restrictions. 9132 pushUserRestrictions(userHandle); 9133 } 9134 9135 @Override 9136 public void setDeviceProvisioningConfigApplied() { 9137 enforceManageUsers(); 9138 synchronized (this) { 9139 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9140 policy.mDeviceProvisioningConfigApplied = true; 9141 saveSettingsLocked(UserHandle.USER_SYSTEM); 9142 } 9143 } 9144 9145 @Override 9146 public boolean isDeviceProvisioningConfigApplied() { 9147 enforceManageUsers(); 9148 synchronized (this) { 9149 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9150 return policy.mDeviceProvisioningConfigApplied; 9151 } 9152 } 9153 9154 /** 9155 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 9156 * 9157 * It's added for testing only. Please use this API carefully if it's used by other system app 9158 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 9159 * apps. 9160 */ 9161 @Override 9162 public void forceUpdateUserSetupComplete() { 9163 enforceCanManageProfileAndDeviceOwners(); 9164 List<UserInfo> users = mUserManager.getUsers(true); 9165 final int N = users.size(); 9166 for (int i = 0; i < N; i++) { 9167 int userHandle = users.get(i).id; 9168 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 9169 Settings.Secure.USER_SETUP_COMPLETE, 0, userHandle) != 0; 9170 DevicePolicyData policy = getUserData(userHandle); 9171 policy.mUserSetupComplete = isUserCompleted; 9172 synchronized (this) { 9173 saveSettingsLocked(userHandle); 9174 } 9175 } 9176 } 9177} 9178