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 17 package com.android.server.devicepolicy; 18 19 import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20 import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 21 import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22 import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23 import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24 25 import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 26 import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 27 import static org.xmlpull.v1.XmlPullParser.END_TAG; 28 import static org.xmlpull.v1.XmlPullParser.TEXT; 29 30 import android.Manifest.permission; 31 import android.accessibilityservice.AccessibilityServiceInfo; 32 import android.accounts.Account; 33 import android.accounts.AccountManager; 34 import android.annotation.IntDef; 35 import android.annotation.NonNull; 36 import android.annotation.Nullable; 37 import android.annotation.UserIdInt; 38 import android.app.Activity; 39 import android.app.ActivityManager; 40 import android.app.ActivityManagerNative; 41 import android.app.AlarmManager; 42 import android.app.AppGlobals; 43 import android.app.IActivityManager; 44 import android.app.Notification; 45 import android.app.NotificationManager; 46 import android.app.PendingIntent; 47 import android.app.StatusBarManager; 48 import android.app.admin.DeviceAdminInfo; 49 import android.app.admin.DeviceAdminReceiver; 50 import android.app.admin.DevicePolicyManager; 51 import android.app.admin.DevicePolicyManagerInternal; 52 import android.app.admin.IDevicePolicyManager; 53 import android.app.admin.SecurityLog; 54 import android.app.admin.SecurityLog.SecurityEvent; 55 import android.app.admin.SystemUpdatePolicy; 56 import android.app.backup.IBackupManager; 57 import android.app.trust.TrustManager; 58 import android.content.BroadcastReceiver; 59 import android.content.ComponentName; 60 import android.content.Context; 61 import android.content.Intent; 62 import android.content.IntentFilter; 63 import android.content.pm.ActivityInfo; 64 import android.content.pm.ApplicationInfo; 65 import android.content.pm.IPackageManager; 66 import android.content.pm.PackageInfo; 67 import android.content.pm.PackageManager; 68 import android.content.pm.PackageManager.NameNotFoundException; 69 import android.content.pm.PackageManagerInternal; 70 import android.content.pm.ParceledListSlice; 71 import android.content.pm.ResolveInfo; 72 import android.content.pm.ServiceInfo; 73 import android.content.pm.UserInfo; 74 import android.database.ContentObserver; 75 import android.graphics.Bitmap; 76 import android.graphics.Color; 77 import android.media.AudioManager; 78 import android.media.IAudioService; 79 import android.net.ConnectivityManager; 80 import android.net.ProxyInfo; 81 import android.net.Uri; 82 import android.net.wifi.WifiInfo; 83 import android.net.wifi.WifiManager; 84 import android.os.AsyncTask; 85 import android.os.Binder; 86 import android.os.Build; 87 import android.os.Bundle; 88 import android.os.Environment; 89 import android.os.FileUtils; 90 import android.os.Handler; 91 import android.os.IBinder; 92 import android.os.Looper; 93 import android.os.ParcelFileDescriptor; 94 import android.os.PersistableBundle; 95 import android.os.PowerManager; 96 import android.os.PowerManagerInternal; 97 import android.os.Process; 98 import android.os.RecoverySystem; 99 import android.os.RemoteCallback; 100 import android.os.RemoteException; 101 import android.os.ServiceManager; 102 import android.os.SystemClock; 103 import android.os.SystemProperties; 104 import android.os.UserHandle; 105 import android.os.UserManager; 106 import android.os.UserManagerInternal; 107 import android.os.storage.StorageManager; 108 import android.provider.ContactsContract.QuickContact; 109 import android.provider.ContactsInternal; 110 import android.provider.Settings; 111 import android.security.Credentials; 112 import android.security.IKeyChainAliasCallback; 113 import android.security.IKeyChainService; 114 import android.security.KeyChain; 115 import android.security.KeyChain.KeyChainConnection; 116 import android.service.persistentdata.PersistentDataBlockManager; 117 import android.telephony.TelephonyManager; 118 import android.text.TextUtils; 119 import android.util.ArrayMap; 120 import android.util.ArraySet; 121 import android.util.Log; 122 import android.util.Pair; 123 import android.util.Slog; 124 import android.util.SparseArray; 125 import android.util.Xml; 126 import android.view.IWindowManager; 127 import android.view.accessibility.AccessibilityManager; 128 import android.view.accessibility.IAccessibilityManager; 129 import android.view.inputmethod.InputMethodInfo; 130 import android.view.inputmethod.InputMethodManager; 131 132 import com.android.internal.R; 133 import com.android.internal.annotations.VisibleForTesting; 134 import com.android.internal.statusbar.IStatusBarService; 135 import com.android.internal.util.FastXmlSerializer; 136 import com.android.internal.util.JournaledFile; 137 import com.android.internal.util.ParcelableString; 138 import com.android.internal.util.Preconditions; 139 import com.android.internal.util.XmlUtils; 140 import com.android.internal.widget.LockPatternUtils; 141 import com.android.server.LocalServices; 142 import com.android.server.SystemService; 143 import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 144 import com.android.server.pm.UserRestrictionsUtils; 145 import com.google.android.collect.Sets; 146 147 import org.xmlpull.v1.XmlPullParser; 148 import org.xmlpull.v1.XmlPullParserException; 149 import org.xmlpull.v1.XmlSerializer; 150 151 import java.io.ByteArrayInputStream; 152 import java.io.File; 153 import java.io.FileDescriptor; 154 import java.io.FileInputStream; 155 import java.io.FileNotFoundException; 156 import java.io.FileOutputStream; 157 import java.io.IOException; 158 import java.io.PrintWriter; 159 import java.lang.annotation.Retention; 160 import java.lang.annotation.RetentionPolicy; 161 import java.nio.charset.StandardCharsets; 162 import java.security.cert.CertificateException; 163 import java.security.cert.CertificateFactory; 164 import java.security.cert.X509Certificate; 165 import java.text.DateFormat; 166 import java.util.ArrayList; 167 import java.util.Arrays; 168 import java.util.Collections; 169 import java.util.Date; 170 import java.util.List; 171 import java.util.Map.Entry; 172 import java.util.Set; 173 import java.util.concurrent.atomic.AtomicBoolean; 174 175 /** 176 * Implementation of the device policy APIs. 177 */ 178 public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 179 180 private static final String LOG_TAG = "DevicePolicyManagerService"; 181 182 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 183 184 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 185 186 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 187 188 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 189 190 private static final String TAG_STATUS_BAR = "statusbar"; 191 192 private static final String ATTR_DISABLED = "disabled"; 193 194 private static final String ATTR_NAME = "name"; 195 196 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 197 "do-not-ask-credentials-on-boot"; 198 199 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 200 201 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 202 203 private static final String ATTR_VALUE = "value"; 204 205 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 206 207 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 208 209 private static final long MS_PER_DAY = 86400 * 1000; 210 211 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 212 213 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 214 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 215 216 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 217 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 218 219 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 220 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 221 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 222 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 223 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 224 "device-provisioning-config-applied"; 225 226 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 227 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 228 = "application-restrictions-manager"; 229 230 /** 231 * System property whose value is either "true" or "false", indicating whether 232 */ 233 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 234 235 private static final int STATUS_BAR_DISABLE_MASK = 236 StatusBarManager.DISABLE_EXPAND | 237 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 238 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 239 StatusBarManager.DISABLE_SEARCH; 240 241 private static final int STATUS_BAR_DISABLE2_MASK = 242 StatusBarManager.DISABLE2_QUICK_SETTINGS; 243 244 private static final Set<String> SECURE_SETTINGS_WHITELIST; 245 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 246 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 247 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 248 static { 249 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 250 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 251 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 252 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 253 254 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 255 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 256 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 257 258 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 259 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 260 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 261 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 262 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 263 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 264 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 265 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 266 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 267 268 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 269 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 270 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 271 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 272 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 273 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 274 } 275 276 /** 277 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 278 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 279 * instance. 280 */ 281 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 282 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 283 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 284 285 /** 286 * Keyguard features that when set on a profile affect the profile content or challenge only. 287 * These cannot be set on the managed profile's parent DPM instance 288 */ 289 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 290 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 291 292 /** Keyguard features that are allowed to be set on a managed profile */ 293 private static final int PROFILE_KEYGUARD_FEATURES = 294 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 295 296 private static final int CODE_OK = 0; 297 private static final int CODE_HAS_DEVICE_OWNER = 1; 298 private static final int CODE_USER_HAS_PROFILE_OWNER = 2; 299 private static final int CODE_USER_NOT_RUNNING = 3; 300 private static final int CODE_USER_SETUP_COMPLETED = 4; 301 private static final int CODE_NONSYSTEM_USER_EXISTS = 5; 302 private static final int CODE_ACCOUNTS_NOT_EMPTY = 6; 303 private static final int CODE_NOT_SYSTEM_USER = 7; 304 305 @Retention(RetentionPolicy.SOURCE) 306 @IntDef({ CODE_OK, CODE_HAS_DEVICE_OWNER, CODE_USER_HAS_PROFILE_OWNER, CODE_USER_NOT_RUNNING, 307 CODE_USER_SETUP_COMPLETED, CODE_NOT_SYSTEM_USER }) 308 private @interface DeviceOwnerPreConditionCode {} 309 310 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 311 312 /** 313 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 314 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 315 */ 316 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = 1 * 60 * 60 * 1000; // 1h 317 318 final Context mContext; 319 final Injector mInjector; 320 final IPackageManager mIPackageManager; 321 final UserManager mUserManager; 322 final UserManagerInternal mUserManagerInternal; 323 final TelephonyManager mTelephonyManager; 324 private final LockPatternUtils mLockPatternUtils; 325 326 /** 327 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 328 * is requested for user u. 329 */ 330 private final Set<Pair<String, Integer>> mPackagesToRemove = 331 new ArraySet<Pair<String, Integer>>(); 332 333 final LocalService mLocalService; 334 335 // Stores and loads state on device and profile owners. 336 @VisibleForTesting 337 final Owners mOwners; 338 339 private final Binder mToken = new Binder(); 340 341 /** 342 * Whether or not device admin feature is supported. If it isn't return defaults for all 343 * public methods. 344 */ 345 boolean mHasFeature; 346 347 private final SecurityLogMonitor mSecurityLogMonitor; 348 349 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 350 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 351 352 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 353 @Override 354 public void run() { 355 if(mRemoteBugreportServiceIsActive.get()) { 356 onBugreportFailed(); 357 } 358 } 359 }; 360 361 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 362 363 @Override 364 public void onReceive(Context context, Intent intent) { 365 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 366 && mRemoteBugreportServiceIsActive.get()) { 367 onBugreportFinished(intent); 368 } 369 } 370 }; 371 372 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 373 374 @Override 375 public void onReceive(Context context, Intent intent) { 376 String action = intent.getAction(); 377 mInjector.getNotificationManager().cancel(LOG_TAG, 378 RemoteBugreportUtils.NOTIFICATION_ID); 379 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 380 onBugreportSharingAccepted(); 381 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 382 onBugreportSharingDeclined(); 383 } 384 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 385 } 386 }; 387 388 public static final class Lifecycle extends SystemService { 389 private DevicePolicyManagerService mService; 390 391 public Lifecycle(Context context) { 392 super(context); 393 mService = new DevicePolicyManagerService(context); 394 } 395 396 @Override 397 public void onStart() { 398 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 399 } 400 401 @Override 402 public void onBootPhase(int phase) { 403 mService.systemReady(phase); 404 } 405 406 @Override 407 public void onStartUser(int userHandle) { 408 mService.onStartUser(userHandle); 409 } 410 } 411 412 public static class DevicePolicyData { 413 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 414 int mActivePasswordLength = 0; 415 int mActivePasswordUpperCase = 0; 416 int mActivePasswordLowerCase = 0; 417 int mActivePasswordLetters = 0; 418 int mActivePasswordNumeric = 0; 419 int mActivePasswordSymbols = 0; 420 int mActivePasswordNonLetter = 0; 421 int mFailedPasswordAttempts = 0; 422 423 int mUserHandle; 424 int mPasswordOwner = -1; 425 long mLastMaximumTimeToLock = -1; 426 boolean mUserSetupComplete = false; 427 int mUserProvisioningState; 428 int mPermissionPolicy; 429 430 boolean mDeviceProvisioningConfigApplied = false; 431 432 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 433 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 434 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 435 436 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 437 438 // This is the list of component allowed to start lock task mode. 439 List<String> mLockTaskPackages = new ArrayList<>(); 440 441 boolean mStatusBarDisabled = false; 442 443 ComponentName mRestrictionsProvider; 444 445 String mDelegatedCertInstallerPackage; 446 447 boolean doNotAskCredentialsOnBoot = false; 448 449 String mApplicationRestrictionsManagingPackage; 450 451 Set<String> mAffiliationIds = new ArraySet<>(); 452 453 // Used for initialization of users created by createAndManageUsers. 454 boolean mAdminBroadcastPending = false; 455 PersistableBundle mInitBundle = null; 456 457 public DevicePolicyData(int userHandle) { 458 mUserHandle = userHandle; 459 } 460 } 461 462 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 463 464 final Handler mHandler; 465 466 BroadcastReceiver mReceiver = new BroadcastReceiver() { 467 @Override 468 public void onReceive(Context context, Intent intent) { 469 final String action = intent.getAction(); 470 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 471 getSendingUserId()); 472 473 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 474 && userHandle == mOwners.getDeviceOwnerUserId() 475 && getDeviceOwnerRemoteBugreportUri() != null) { 476 IntentFilter filterConsent = new IntentFilter(); 477 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 478 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 479 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 480 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 481 RemoteBugreportUtils.NOTIFICATION_ID, 482 RemoteBugreportUtils.buildNotification(mContext, 483 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 484 UserHandle.ALL); 485 } 486 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 487 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 488 if (VERBOSE_LOG) { 489 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 490 + action + " for user " + userHandle); 491 } 492 mHandler.post(new Runnable() { 493 @Override 494 public void run() { 495 handlePasswordExpirationNotification(userHandle); 496 } 497 }); 498 } 499 if (Intent.ACTION_USER_UNLOCKED.equals(action) 500 || Intent.ACTION_USER_STARTED.equals(action) 501 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 502 int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 503 new MonitoringCertNotificationTask().execute(userId); 504 } 505 if (Intent.ACTION_USER_ADDED.equals(action)) { 506 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 507 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 508 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 509 removeUserData(userHandle); 510 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 511 synchronized (DevicePolicyManagerService.this) { 512 // Reset the policy data 513 mUserData.remove(userHandle); 514 sendAdminEnabledBroadcastLocked(userHandle); 515 } 516 handlePackagesChanged(null /* check all admins */, userHandle); 517 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 518 handlePackagesChanged(null /* check all admins */, userHandle); 519 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 520 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 521 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 522 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 523 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 524 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 525 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 526 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 527 clearWipeProfileNotification(); 528 } 529 } 530 }; 531 532 static class ActiveAdmin { 533 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 534 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 535 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 536 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 537 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 538 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 539 = "disable-bt-contacts-sharing"; 540 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 541 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 542 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 543 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 544 private static final String TAG_ACCOUNT_TYPE = "account-type"; 545 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 546 = "permitted-accessiblity-services"; 547 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 548 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 549 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 550 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 551 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 552 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 553 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 554 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 555 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 556 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 557 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 558 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 559 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 560 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 561 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 562 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 563 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 564 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 565 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 566 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 567 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 568 private static final String ATTR_VALUE = "value"; 569 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 570 private static final String TAG_POLICIES = "policies"; 571 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 572 "cross-profile-widget-providers"; 573 private static final String TAG_PROVIDER = "provider"; 574 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 575 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 576 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 577 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 578 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 579 private static final String TAG_PARENT_ADMIN = "parent-admin"; 580 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 581 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 582 583 final DeviceAdminInfo info; 584 585 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 586 587 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 588 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 589 590 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 591 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 592 593 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 594 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 595 596 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 597 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 598 599 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 600 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 601 602 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 603 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 604 605 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 606 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 607 608 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 609 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 610 611 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 612 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 613 614 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 615 616 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 617 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 618 619 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 620 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 621 622 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 623 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 624 625 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 626 627 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 628 629 boolean encryptionRequested = false; 630 boolean testOnlyAdmin = false; 631 boolean disableCamera = false; 632 boolean disableCallerId = false; 633 boolean disableContactsSearch = false; 634 boolean disableBluetoothContactSharing = true; 635 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 636 boolean requireAutoTime = false; // Can only be set by a device owner. 637 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 638 639 ActiveAdmin parentAdmin; 640 final boolean isParent; 641 642 static class TrustAgentInfo { 643 public PersistableBundle options; 644 TrustAgentInfo(PersistableBundle bundle) { 645 options = bundle; 646 } 647 } 648 649 Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 650 651 // The list of permitted accessibility services package namesas set by a profile 652 // or device owner. Null means all accessibility services are allowed, empty means 653 // none except system services are allowed. 654 List<String> permittedAccessiblityServices; 655 656 // The list of permitted input methods package names as set by a profile or device owner. 657 // Null means all input methods are allowed, empty means none except system imes are 658 // allowed. 659 List<String> permittedInputMethods; 660 661 // List of package names to keep cached. 662 List<String> keepUninstalledPackages; 663 664 // TODO: review implementation decisions with frameworks team 665 boolean specifiesGlobalProxy = false; 666 String globalProxySpec = null; 667 String globalProxyExclusionList = null; 668 669 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 670 671 List<String> crossProfileWidgetProviders; 672 673 Bundle userRestrictions; 674 675 // Support text provided by the admin to display to the user. 676 CharSequence shortSupportMessage = null; 677 CharSequence longSupportMessage = null; 678 679 // Background color of confirm credentials screen. Default: teal. 680 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 681 int organizationColor = DEF_ORGANIZATION_COLOR; 682 683 // Default title of confirm credentials screen 684 String organizationName = null; 685 686 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 687 info = _info; 688 isParent = parent; 689 } 690 691 ActiveAdmin getParentActiveAdmin() { 692 Preconditions.checkState(!isParent); 693 694 if (parentAdmin == null) { 695 parentAdmin = new ActiveAdmin(info, /* parent */ true); 696 } 697 return parentAdmin; 698 } 699 700 boolean hasParentActiveAdmin() { 701 return parentAdmin != null; 702 } 703 704 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 705 706 public UserHandle getUserHandle() { 707 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 708 } 709 710 void writeToXml(XmlSerializer out) 711 throws IllegalArgumentException, IllegalStateException, IOException { 712 out.startTag(null, TAG_POLICIES); 713 info.writePoliciesToXml(out); 714 out.endTag(null, TAG_POLICIES); 715 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 716 out.startTag(null, TAG_PASSWORD_QUALITY); 717 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 718 out.endTag(null, TAG_PASSWORD_QUALITY); 719 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 720 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 721 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 722 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 723 } 724 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 725 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 726 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 727 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 728 } 729 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 730 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 731 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 732 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 733 } 734 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 735 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 736 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 737 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 738 } 739 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 740 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 741 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 742 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 743 } 744 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 745 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 746 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 747 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 748 } 749 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 750 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 751 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 752 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 753 } 754 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 755 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 756 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 757 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 758 } 759 } 760 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 761 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 762 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 763 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 764 } 765 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 766 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 767 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 768 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 769 } 770 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 771 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 772 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 773 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 774 } 775 if (specifiesGlobalProxy) { 776 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 777 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 778 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 779 if (globalProxySpec != null) { 780 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 781 out.attribute(null, ATTR_VALUE, globalProxySpec); 782 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 783 } 784 if (globalProxyExclusionList != null) { 785 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 786 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 787 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 788 } 789 } 790 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 791 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 792 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 793 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 794 } 795 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 796 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 797 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 798 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 799 } 800 if (encryptionRequested) { 801 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 802 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 803 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 804 } 805 if (testOnlyAdmin) { 806 out.startTag(null, TAG_TEST_ONLY_ADMIN); 807 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 808 out.endTag(null, TAG_TEST_ONLY_ADMIN); 809 } 810 if (disableCamera) { 811 out.startTag(null, TAG_DISABLE_CAMERA); 812 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 813 out.endTag(null, TAG_DISABLE_CAMERA); 814 } 815 if (disableCallerId) { 816 out.startTag(null, TAG_DISABLE_CALLER_ID); 817 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 818 out.endTag(null, TAG_DISABLE_CALLER_ID); 819 } 820 if (disableContactsSearch) { 821 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 822 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 823 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 824 } 825 if (!disableBluetoothContactSharing) { 826 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 827 out.attribute(null, ATTR_VALUE, 828 Boolean.toString(disableBluetoothContactSharing)); 829 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 830 } 831 if (disableScreenCapture) { 832 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 833 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 834 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 835 } 836 if (requireAutoTime) { 837 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 838 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 839 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 840 } 841 if (forceEphemeralUsers) { 842 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 843 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 844 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 845 } 846 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 847 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 848 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 849 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 850 } 851 if (!accountTypesWithManagementDisabled.isEmpty()) { 852 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 853 for (String ac : accountTypesWithManagementDisabled) { 854 out.startTag(null, TAG_ACCOUNT_TYPE); 855 out.attribute(null, ATTR_VALUE, ac); 856 out.endTag(null, TAG_ACCOUNT_TYPE); 857 } 858 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 859 } 860 if (!trustAgentInfos.isEmpty()) { 861 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 862 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 863 for (Entry<String, TrustAgentInfo> entry : set) { 864 TrustAgentInfo trustAgentInfo = entry.getValue(); 865 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 866 out.attribute(null, ATTR_VALUE, entry.getKey()); 867 if (trustAgentInfo.options != null) { 868 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 869 try { 870 trustAgentInfo.options.saveToXml(out); 871 } catch (XmlPullParserException e) { 872 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 873 } 874 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 875 } 876 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 877 } 878 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 879 } 880 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 881 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 882 final int providerCount = crossProfileWidgetProviders.size(); 883 for (int i = 0; i < providerCount; i++) { 884 String provider = crossProfileWidgetProviders.get(i); 885 out.startTag(null, TAG_PROVIDER); 886 out.attribute(null, ATTR_VALUE, provider); 887 out.endTag(null, TAG_PROVIDER); 888 } 889 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 890 } 891 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 892 permittedAccessiblityServices); 893 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 894 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 895 if (hasUserRestrictions()) { 896 UserRestrictionsUtils.writeRestrictions( 897 out, userRestrictions, TAG_USER_RESTRICTIONS); 898 } 899 if (!TextUtils.isEmpty(shortSupportMessage)) { 900 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 901 out.text(shortSupportMessage.toString()); 902 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 903 } 904 if (!TextUtils.isEmpty(longSupportMessage)) { 905 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 906 out.text(longSupportMessage.toString()); 907 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 908 } 909 if (parentAdmin != null) { 910 out.startTag(null, TAG_PARENT_ADMIN); 911 parentAdmin.writeToXml(out); 912 out.endTag(null, TAG_PARENT_ADMIN); 913 } 914 if (organizationColor != DEF_ORGANIZATION_COLOR) { 915 out.startTag(null, TAG_ORGANIZATION_COLOR); 916 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 917 out.endTag(null, TAG_ORGANIZATION_COLOR); 918 } 919 if (organizationName != null) { 920 out.startTag(null, TAG_ORGANIZATION_NAME); 921 out.text(organizationName); 922 out.endTag(null, TAG_ORGANIZATION_NAME); 923 } 924 } 925 926 void writePackageListToXml(XmlSerializer out, String outerTag, 927 List<String> packageList) 928 throws IllegalArgumentException, IllegalStateException, IOException { 929 if (packageList == null) { 930 return; 931 } 932 933 out.startTag(null, outerTag); 934 for (String packageName : packageList) { 935 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 936 out.attribute(null, ATTR_VALUE, packageName); 937 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 938 } 939 out.endTag(null, outerTag); 940 } 941 942 void readFromXml(XmlPullParser parser) 943 throws XmlPullParserException, IOException { 944 int outerDepth = parser.getDepth(); 945 int type; 946 while ((type=parser.next()) != END_DOCUMENT 947 && (type != END_TAG || parser.getDepth() > outerDepth)) { 948 if (type == END_TAG || type == TEXT) { 949 continue; 950 } 951 String tag = parser.getName(); 952 if (TAG_POLICIES.equals(tag)) { 953 info.readPoliciesFromXml(parser); 954 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 955 passwordQuality = Integer.parseInt( 956 parser.getAttributeValue(null, ATTR_VALUE)); 957 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 958 minimumPasswordLength = Integer.parseInt( 959 parser.getAttributeValue(null, ATTR_VALUE)); 960 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 961 passwordHistoryLength = Integer.parseInt( 962 parser.getAttributeValue(null, ATTR_VALUE)); 963 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 964 minimumPasswordUpperCase = Integer.parseInt( 965 parser.getAttributeValue(null, ATTR_VALUE)); 966 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 967 minimumPasswordLowerCase = Integer.parseInt( 968 parser.getAttributeValue(null, ATTR_VALUE)); 969 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 970 minimumPasswordLetters = Integer.parseInt( 971 parser.getAttributeValue(null, ATTR_VALUE)); 972 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 973 minimumPasswordNumeric = Integer.parseInt( 974 parser.getAttributeValue(null, ATTR_VALUE)); 975 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 976 minimumPasswordSymbols = Integer.parseInt( 977 parser.getAttributeValue(null, ATTR_VALUE)); 978 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 979 minimumPasswordNonLetter = Integer.parseInt( 980 parser.getAttributeValue(null, ATTR_VALUE)); 981 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 982 maximumTimeToUnlock = Long.parseLong( 983 parser.getAttributeValue(null, ATTR_VALUE)); 984 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 985 strongAuthUnlockTimeout = Long.parseLong( 986 parser.getAttributeValue(null, ATTR_VALUE)); 987 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 988 maximumFailedPasswordsForWipe = Integer.parseInt( 989 parser.getAttributeValue(null, ATTR_VALUE)); 990 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 991 specifiesGlobalProxy = Boolean.parseBoolean( 992 parser.getAttributeValue(null, ATTR_VALUE)); 993 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 994 globalProxySpec = 995 parser.getAttributeValue(null, ATTR_VALUE); 996 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 997 globalProxyExclusionList = 998 parser.getAttributeValue(null, ATTR_VALUE); 999 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1000 passwordExpirationTimeout = Long.parseLong( 1001 parser.getAttributeValue(null, ATTR_VALUE)); 1002 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1003 passwordExpirationDate = Long.parseLong( 1004 parser.getAttributeValue(null, ATTR_VALUE)); 1005 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1006 encryptionRequested = Boolean.parseBoolean( 1007 parser.getAttributeValue(null, ATTR_VALUE)); 1008 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1009 testOnlyAdmin = Boolean.parseBoolean( 1010 parser.getAttributeValue(null, ATTR_VALUE)); 1011 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1012 disableCamera = Boolean.parseBoolean( 1013 parser.getAttributeValue(null, ATTR_VALUE)); 1014 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1015 disableCallerId = Boolean.parseBoolean( 1016 parser.getAttributeValue(null, ATTR_VALUE)); 1017 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1018 disableContactsSearch = Boolean.parseBoolean( 1019 parser.getAttributeValue(null, ATTR_VALUE)); 1020 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1021 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1022 .getAttributeValue(null, ATTR_VALUE)); 1023 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1024 disableScreenCapture = Boolean.parseBoolean( 1025 parser.getAttributeValue(null, ATTR_VALUE)); 1026 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1027 requireAutoTime = Boolean.parseBoolean( 1028 parser.getAttributeValue(null, ATTR_VALUE)); 1029 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1030 forceEphemeralUsers = Boolean.parseBoolean( 1031 parser.getAttributeValue(null, ATTR_VALUE)); 1032 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1033 disabledKeyguardFeatures = Integer.parseInt( 1034 parser.getAttributeValue(null, ATTR_VALUE)); 1035 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1036 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 1037 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1038 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1039 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1040 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 1041 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1042 permittedAccessiblityServices = readPackageList(parser, tag); 1043 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1044 permittedInputMethods = readPackageList(parser, tag); 1045 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1046 keepUninstalledPackages = readPackageList(parser, tag); 1047 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1048 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 1049 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1050 type = parser.next(); 1051 if (type == XmlPullParser.TEXT) { 1052 shortSupportMessage = parser.getText(); 1053 } else { 1054 Log.w(LOG_TAG, "Missing text when loading short support message"); 1055 } 1056 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1057 type = parser.next(); 1058 if (type == XmlPullParser.TEXT) { 1059 longSupportMessage = parser.getText(); 1060 } else { 1061 Log.w(LOG_TAG, "Missing text when loading long support message"); 1062 } 1063 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1064 Preconditions.checkState(!isParent); 1065 1066 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1067 parentAdmin.readFromXml(parser); 1068 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1069 organizationColor = Integer.parseInt( 1070 parser.getAttributeValue(null, ATTR_VALUE)); 1071 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1072 type = parser.next(); 1073 if (type == XmlPullParser.TEXT) { 1074 organizationName = parser.getText(); 1075 } else { 1076 Log.w(LOG_TAG, "Missing text when loading organization name"); 1077 } 1078 } else { 1079 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1080 XmlUtils.skipCurrentTag(parser); 1081 } 1082 } 1083 } 1084 1085 private List<String> readPackageList(XmlPullParser parser, 1086 String tag) throws XmlPullParserException, IOException { 1087 List<String> result = new ArrayList<String>(); 1088 int outerDepth = parser.getDepth(); 1089 int outerType; 1090 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1091 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1092 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1093 continue; 1094 } 1095 String outerTag = parser.getName(); 1096 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1097 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1098 if (packageName != null) { 1099 result.add(packageName); 1100 } else { 1101 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1102 } 1103 } else { 1104 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1105 } 1106 } 1107 return result; 1108 } 1109 1110 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 1111 throws XmlPullParserException, IOException { 1112 int outerDepthDAM = parser.getDepth(); 1113 int typeDAM; 1114 Set<String> result = new ArraySet<>(); 1115 while ((typeDAM=parser.next()) != END_DOCUMENT 1116 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1117 if (typeDAM == END_TAG || typeDAM == TEXT) { 1118 continue; 1119 } 1120 String tagDAM = parser.getName(); 1121 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 1122 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1123 } else { 1124 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1125 } 1126 } 1127 return result; 1128 } 1129 1130 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1131 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1132 int outerDepthDAM = parser.getDepth(); 1133 int typeDAM; 1134 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1135 while ((typeDAM=parser.next()) != END_DOCUMENT 1136 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1137 if (typeDAM == END_TAG || typeDAM == TEXT) { 1138 continue; 1139 } 1140 String tagDAM = parser.getName(); 1141 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1142 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1143 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1144 result.put(component, trustAgentInfo); 1145 } else { 1146 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1147 } 1148 } 1149 return result; 1150 } 1151 1152 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1153 throws XmlPullParserException, IOException { 1154 int outerDepthDAM = parser.getDepth(); 1155 int typeDAM; 1156 TrustAgentInfo result = new TrustAgentInfo(null); 1157 while ((typeDAM=parser.next()) != END_DOCUMENT 1158 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1159 if (typeDAM == END_TAG || typeDAM == TEXT) { 1160 continue; 1161 } 1162 String tagDAM = parser.getName(); 1163 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1164 result.options = PersistableBundle.restoreFromXml(parser); 1165 } else { 1166 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1167 } 1168 } 1169 return result; 1170 } 1171 1172 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 1173 throws XmlPullParserException, IOException { 1174 int outerDepthDAM = parser.getDepth(); 1175 int typeDAM; 1176 ArrayList<String> result = null; 1177 while ((typeDAM=parser.next()) != END_DOCUMENT 1178 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1179 if (typeDAM == END_TAG || typeDAM == TEXT) { 1180 continue; 1181 } 1182 String tagDAM = parser.getName(); 1183 if (TAG_PROVIDER.equals(tagDAM)) { 1184 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 1185 if (result == null) { 1186 result = new ArrayList<>(); 1187 } 1188 result.add(provider); 1189 } else { 1190 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1191 } 1192 } 1193 return result; 1194 } 1195 1196 boolean hasUserRestrictions() { 1197 return userRestrictions != null && userRestrictions.size() > 0; 1198 } 1199 1200 Bundle ensureUserRestrictions() { 1201 if (userRestrictions == null) { 1202 userRestrictions = new Bundle(); 1203 } 1204 return userRestrictions; 1205 } 1206 1207 void dump(String prefix, PrintWriter pw) { 1208 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1209 pw.print(prefix); pw.print("testOnlyAdmin="); 1210 pw.println(testOnlyAdmin); 1211 pw.print(prefix); pw.println("policies:"); 1212 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1213 if (pols != null) { 1214 for (int i=0; i<pols.size(); i++) { 1215 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1216 } 1217 } 1218 pw.print(prefix); pw.print("passwordQuality=0x"); 1219 pw.println(Integer.toHexString(passwordQuality)); 1220 pw.print(prefix); pw.print("minimumPasswordLength="); 1221 pw.println(minimumPasswordLength); 1222 pw.print(prefix); pw.print("passwordHistoryLength="); 1223 pw.println(passwordHistoryLength); 1224 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1225 pw.println(minimumPasswordUpperCase); 1226 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1227 pw.println(minimumPasswordLowerCase); 1228 pw.print(prefix); pw.print("minimumPasswordLetters="); 1229 pw.println(minimumPasswordLetters); 1230 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1231 pw.println(minimumPasswordNumeric); 1232 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1233 pw.println(minimumPasswordSymbols); 1234 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1235 pw.println(minimumPasswordNonLetter); 1236 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1237 pw.println(maximumTimeToUnlock); 1238 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1239 pw.println(strongAuthUnlockTimeout); 1240 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1241 pw.println(maximumFailedPasswordsForWipe); 1242 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1243 pw.println(specifiesGlobalProxy); 1244 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1245 pw.println(passwordExpirationTimeout); 1246 pw.print(prefix); pw.print("passwordExpirationDate="); 1247 pw.println(passwordExpirationDate); 1248 if (globalProxySpec != null) { 1249 pw.print(prefix); pw.print("globalProxySpec="); 1250 pw.println(globalProxySpec); 1251 } 1252 if (globalProxyExclusionList != null) { 1253 pw.print(prefix); pw.print("globalProxyEclusionList="); 1254 pw.println(globalProxyExclusionList); 1255 } 1256 pw.print(prefix); pw.print("encryptionRequested="); 1257 pw.println(encryptionRequested); 1258 pw.print(prefix); pw.print("disableCamera="); 1259 pw.println(disableCamera); 1260 pw.print(prefix); pw.print("disableCallerId="); 1261 pw.println(disableCallerId); 1262 pw.print(prefix); pw.print("disableContactsSearch="); 1263 pw.println(disableContactsSearch); 1264 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1265 pw.println(disableBluetoothContactSharing); 1266 pw.print(prefix); pw.print("disableScreenCapture="); 1267 pw.println(disableScreenCapture); 1268 pw.print(prefix); pw.print("requireAutoTime="); 1269 pw.println(requireAutoTime); 1270 pw.print(prefix); pw.print("forceEphemeralUsers="); 1271 pw.println(forceEphemeralUsers); 1272 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1273 pw.println(disabledKeyguardFeatures); 1274 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1275 pw.println(crossProfileWidgetProviders); 1276 if (permittedAccessiblityServices != null) { 1277 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1278 pw.println(permittedAccessiblityServices); 1279 } 1280 if (permittedInputMethods != null) { 1281 pw.print(prefix); pw.print("permittedInputMethods="); 1282 pw.println(permittedInputMethods); 1283 } 1284 if (keepUninstalledPackages != null) { 1285 pw.print(prefix); pw.print("keepUninstalledPackages="); 1286 pw.println(keepUninstalledPackages); 1287 } 1288 pw.print(prefix); pw.print("organizationColor="); 1289 pw.println(organizationColor); 1290 if (organizationName != null) { 1291 pw.print(prefix); pw.print("organizationName="); 1292 pw.println(organizationName); 1293 } 1294 pw.print(prefix); pw.println("userRestrictions:"); 1295 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1296 pw.print(prefix); pw.print("isParent="); 1297 pw.println(isParent); 1298 if (parentAdmin != null) { 1299 pw.print(prefix); pw.println("parentAdmin:"); 1300 parentAdmin.dump(prefix + " ", pw); 1301 } 1302 } 1303 } 1304 1305 private void handlePackagesChanged(String packageName, int userHandle) { 1306 boolean removed = false; 1307 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1308 DevicePolicyData policy = getUserData(userHandle); 1309 synchronized (this) { 1310 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1311 ActiveAdmin aa = policy.mAdminList.get(i); 1312 try { 1313 // If we're checking all packages or if the specific one we're checking matches, 1314 // then check if the package and receiver still exist. 1315 final String adminPackage = aa.info.getPackageName(); 1316 if (packageName == null || packageName.equals(adminPackage)) { 1317 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1318 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1319 PackageManager.MATCH_DIRECT_BOOT_AWARE 1320 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1321 userHandle) == null) { 1322 removed = true; 1323 policy.mAdminList.remove(i); 1324 policy.mAdminMap.remove(aa.info.getComponent()); 1325 } 1326 } 1327 } catch (RemoteException re) { 1328 // Shouldn't happen 1329 } 1330 } 1331 if (removed) { 1332 validatePasswordOwnerLocked(policy); 1333 saveSettingsLocked(policy.mUserHandle); 1334 } 1335 1336 // Check if delegated cert installer or app restrictions managing packages are removed. 1337 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1338 policy.mDelegatedCertInstallerPackage = null; 1339 saveSettingsLocked(policy.mUserHandle); 1340 } 1341 if (isRemovedPackage( 1342 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1343 policy.mApplicationRestrictionsManagingPackage = null; 1344 saveSettingsLocked(policy.mUserHandle); 1345 } 1346 } 1347 if (removed) { 1348 // The removed admin might have disabled camera, so update user restrictions. 1349 pushUserRestrictions(userHandle); 1350 } 1351 } 1352 1353 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1354 try { 1355 return targetPackage != null 1356 && (changedPackage == null || changedPackage.equals(targetPackage)) 1357 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1358 } catch (RemoteException e) { 1359 // Shouldn't happen 1360 } 1361 1362 return false; 1363 } 1364 1365 /** 1366 * Unit test will subclass it to inject mocks. 1367 */ 1368 @VisibleForTesting 1369 static class Injector { 1370 1371 private final Context mContext; 1372 1373 Injector(Context context) { 1374 mContext = context; 1375 } 1376 1377 Owners newOwners() { 1378 return new Owners(getUserManager(), getUserManagerInternal(), 1379 getPackageManagerInternal()); 1380 } 1381 1382 UserManager getUserManager() { 1383 return UserManager.get(mContext); 1384 } 1385 1386 UserManagerInternal getUserManagerInternal() { 1387 return LocalServices.getService(UserManagerInternal.class); 1388 } 1389 1390 PackageManagerInternal getPackageManagerInternal() { 1391 return LocalServices.getService(PackageManagerInternal.class); 1392 } 1393 1394 NotificationManager getNotificationManager() { 1395 return mContext.getSystemService(NotificationManager.class); 1396 } 1397 1398 PowerManagerInternal getPowerManagerInternal() { 1399 return LocalServices.getService(PowerManagerInternal.class); 1400 } 1401 1402 TelephonyManager getTelephonyManager() { 1403 return TelephonyManager.from(mContext); 1404 } 1405 1406 TrustManager getTrustManager() { 1407 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1408 } 1409 1410 IWindowManager getIWindowManager() { 1411 return IWindowManager.Stub 1412 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1413 } 1414 1415 IActivityManager getIActivityManager() { 1416 return ActivityManagerNative.getDefault(); 1417 } 1418 1419 IPackageManager getIPackageManager() { 1420 return AppGlobals.getPackageManager(); 1421 } 1422 1423 IBackupManager getIBackupManager() { 1424 return IBackupManager.Stub.asInterface( 1425 ServiceManager.getService(Context.BACKUP_SERVICE)); 1426 } 1427 1428 IAudioService getIAudioService() { 1429 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1430 } 1431 1432 LockPatternUtils newLockPatternUtils() { 1433 return new LockPatternUtils(mContext); 1434 } 1435 1436 boolean storageManagerIsFileBasedEncryptionEnabled() { 1437 return StorageManager.isFileEncryptedNativeOnly(); 1438 } 1439 1440 boolean storageManagerIsNonDefaultBlockEncrypted() { 1441 long identity = Binder.clearCallingIdentity(); 1442 try { 1443 return StorageManager.isNonDefaultBlockEncrypted(); 1444 } finally { 1445 Binder.restoreCallingIdentity(identity); 1446 } 1447 } 1448 1449 boolean storageManagerIsEncrypted() { 1450 return StorageManager.isEncrypted(); 1451 } 1452 1453 boolean storageManagerIsEncryptable() { 1454 return StorageManager.isEncryptable(); 1455 } 1456 1457 Looper getMyLooper() { 1458 return Looper.myLooper(); 1459 } 1460 1461 WifiManager getWifiManager() { 1462 return mContext.getSystemService(WifiManager.class); 1463 } 1464 1465 long binderClearCallingIdentity() { 1466 return Binder.clearCallingIdentity(); 1467 } 1468 1469 void binderRestoreCallingIdentity(long token) { 1470 Binder.restoreCallingIdentity(token); 1471 } 1472 1473 int binderGetCallingUid() { 1474 return Binder.getCallingUid(); 1475 } 1476 1477 int binderGetCallingPid() { 1478 return Binder.getCallingPid(); 1479 } 1480 1481 UserHandle binderGetCallingUserHandle() { 1482 return Binder.getCallingUserHandle(); 1483 } 1484 1485 boolean binderIsCallingUidMyUid() { 1486 return getCallingUid() == Process.myUid(); 1487 } 1488 1489 final int userHandleGetCallingUserId() { 1490 return UserHandle.getUserId(binderGetCallingUid()); 1491 } 1492 1493 File environmentGetUserSystemDirectory(int userId) { 1494 return Environment.getUserSystemDirectory(userId); 1495 } 1496 1497 void powerManagerGoToSleep(long time, int reason, int flags) { 1498 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1499 } 1500 1501 void powerManagerReboot(String reason) { 1502 mContext.getSystemService(PowerManager.class).reboot(reason); 1503 } 1504 1505 boolean systemPropertiesGetBoolean(String key, boolean def) { 1506 return SystemProperties.getBoolean(key, def); 1507 } 1508 1509 long systemPropertiesGetLong(String key, long def) { 1510 return SystemProperties.getLong(key, def); 1511 } 1512 1513 String systemPropertiesGet(String key, String def) { 1514 return SystemProperties.get(key, def); 1515 } 1516 1517 String systemPropertiesGet(String key) { 1518 return SystemProperties.get(key); 1519 } 1520 1521 void systemPropertiesSet(String key, String value) { 1522 SystemProperties.set(key, value); 1523 } 1524 1525 boolean userManagerIsSplitSystemUser() { 1526 return UserManager.isSplitSystemUser(); 1527 } 1528 1529 String getDevicePolicyFilePathForSystemUser() { 1530 return "/data/system/"; 1531 } 1532 1533 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1534 ContentObserver observer, int userHandle) { 1535 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1536 observer, userHandle); 1537 } 1538 1539 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1540 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1541 name, def, userHandle); 1542 } 1543 1544 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1545 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1546 name, value, userHandle); 1547 } 1548 1549 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1550 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1551 name, value, userHandle); 1552 } 1553 1554 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1555 Settings.Global.putStringForUser(mContext.getContentResolver(), 1556 name, value, userHandle); 1557 } 1558 1559 void settingsSecurePutInt(String name, int value) { 1560 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1561 } 1562 1563 int settingsGlobalGetInt(String name, int def) { 1564 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1565 } 1566 1567 void settingsGlobalPutInt(String name, int value) { 1568 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1569 } 1570 1571 void settingsSecurePutString(String name, String value) { 1572 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1573 } 1574 1575 void settingsGlobalPutString(String name, String value) { 1576 Settings.Global.putString(mContext.getContentResolver(), name, value); 1577 } 1578 1579 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1580 SecurityLog.setLoggingEnabledProperty(enabled); 1581 } 1582 1583 boolean securityLogGetLoggingEnabledProperty() { 1584 return SecurityLog.getLoggingEnabledProperty(); 1585 } 1586 1587 boolean securityLogIsLoggingEnabled() { 1588 return SecurityLog.isLoggingEnabled(); 1589 } 1590 } 1591 1592 /** 1593 * Instantiates the service. 1594 */ 1595 public DevicePolicyManagerService(Context context) { 1596 this(new Injector(context)); 1597 } 1598 1599 @VisibleForTesting 1600 DevicePolicyManagerService(Injector injector) { 1601 mInjector = injector; 1602 mContext = Preconditions.checkNotNull(injector.mContext); 1603 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1604 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1605 1606 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1607 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1608 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1609 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1610 1611 mLocalService = new LocalService(); 1612 mLockPatternUtils = injector.newLockPatternUtils(); 1613 1614 mSecurityLogMonitor = new SecurityLogMonitor(this); 1615 1616 mHasFeature = mContext.getPackageManager() 1617 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1618 if (!mHasFeature) { 1619 // Skip the rest of the initialization 1620 return; 1621 } 1622 IntentFilter filter = new IntentFilter(); 1623 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1624 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1625 filter.addAction(Intent.ACTION_USER_ADDED); 1626 filter.addAction(Intent.ACTION_USER_REMOVED); 1627 filter.addAction(Intent.ACTION_USER_STARTED); 1628 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1629 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1630 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1631 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1632 filter = new IntentFilter(); 1633 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1634 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1635 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1636 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1637 filter.addDataScheme("package"); 1638 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1639 filter = new IntentFilter(); 1640 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1641 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1642 1643 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1644 } 1645 1646 /** 1647 * Creates and loads the policy data from xml. 1648 * @param userHandle the user for whom to load the policy data 1649 * @return 1650 */ 1651 @NonNull 1652 DevicePolicyData getUserData(int userHandle) { 1653 synchronized (this) { 1654 DevicePolicyData policy = mUserData.get(userHandle); 1655 if (policy == null) { 1656 policy = new DevicePolicyData(userHandle); 1657 mUserData.append(userHandle, policy); 1658 loadSettingsLocked(policy, userHandle); 1659 } 1660 return policy; 1661 } 1662 } 1663 1664 /** 1665 * Creates and loads the policy data from xml for data that is shared between 1666 * various profiles of a user. In contrast to {@link #getUserData(int)} 1667 * it allows access to data of users other than the calling user. 1668 * 1669 * This function should only be used for shared data, e.g. everything regarding 1670 * passwords and should be removed once multiple screen locks are present. 1671 * @param userHandle the user for whom to load the policy data 1672 * @return 1673 */ 1674 DevicePolicyData getUserDataUnchecked(int userHandle) { 1675 long ident = mInjector.binderClearCallingIdentity(); 1676 try { 1677 return getUserData(userHandle); 1678 } finally { 1679 mInjector.binderRestoreCallingIdentity(ident); 1680 } 1681 } 1682 1683 void removeUserData(int userHandle) { 1684 synchronized (this) { 1685 if (userHandle == UserHandle.USER_SYSTEM) { 1686 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1687 return; 1688 } 1689 mOwners.removeProfileOwner(userHandle); 1690 mOwners.writeProfileOwner(userHandle); 1691 1692 DevicePolicyData policy = mUserData.get(userHandle); 1693 if (policy != null) { 1694 mUserData.remove(userHandle); 1695 } 1696 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1697 DEVICE_POLICIES_XML); 1698 policyFile.delete(); 1699 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1700 } 1701 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1702 } 1703 1704 void loadOwners() { 1705 synchronized (this) { 1706 mOwners.load(); 1707 setDeviceOwnerSystemPropertyLocked(); 1708 findOwnerComponentIfNecessaryLocked(); 1709 migrateUserRestrictionsIfNecessaryLocked(); 1710 1711 // TODO PO may not have a class name either due to b/17652534. Address that too. 1712 1713 updateDeviceOwnerLocked(); 1714 } 1715 } 1716 1717 private void setDeviceOwnerSystemPropertyLocked() { 1718 // Device owner may still be provisioned, do not set the read-only system property yet. 1719 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1720 return; 1721 } 1722 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1723 // always false at this point. 1724 if (StorageManager.inCryptKeeperBounce()) { 1725 return; 1726 } 1727 1728 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1729 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1730 } else { 1731 if (mOwners.hasDeviceOwner()) { 1732 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1733 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1734 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 1735 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1736 mSecurityLogMonitor.start(); 1737 } 1738 } else { 1739 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1740 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1741 } 1742 } 1743 } 1744 1745 private void findOwnerComponentIfNecessaryLocked() { 1746 if (!mOwners.hasDeviceOwner()) { 1747 return; 1748 } 1749 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1750 1751 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1752 return; // Already a full component name. 1753 } 1754 1755 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1756 doComponentName.getPackageName(), 1757 mOwners.getDeviceOwnerUserId()); 1758 if (doComponent == null) { 1759 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1760 } else { 1761 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1762 doComponent, 1763 mOwners.getDeviceOwnerName(), 1764 mOwners.getDeviceOwnerUserId(), 1765 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1766 mOwners.writeDeviceOwner(); 1767 if (VERBOSE_LOG) { 1768 Log.v(LOG_TAG, "Device owner component filled in"); 1769 } 1770 } 1771 } 1772 1773 /** 1774 * We didn't use to persist user restrictions for each owners but only persisted in user 1775 * manager. 1776 */ 1777 private void migrateUserRestrictionsIfNecessaryLocked() { 1778 boolean migrated = false; 1779 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1780 // except for the "system controlled" ones. 1781 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1782 if (VERBOSE_LOG) { 1783 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1784 } 1785 migrated = true; 1786 1787 // Migrate user 0 restrictions to DO. 1788 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1789 1790 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1791 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1792 1793 // Push DO user restrictions to user manager. 1794 pushUserRestrictions(UserHandle.USER_SYSTEM); 1795 1796 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1797 } 1798 1799 // Migrate for POs. 1800 1801 // The following restrictions can be set on secondary users by the device owner, so we 1802 // assume they're not from the PO. 1803 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1804 UserManager.DISALLOW_OUTGOING_CALLS, 1805 UserManager.DISALLOW_SMS); 1806 1807 for (UserInfo ui : mUserManager.getUsers()) { 1808 final int userId = ui.id; 1809 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1810 if (VERBOSE_LOG) { 1811 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1812 } 1813 migrated = true; 1814 1815 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1816 1817 final Set<String> exceptionList = 1818 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1819 1820 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1821 exceptionList, /* isDeviceOwner =*/ false); 1822 1823 // Note if a secondary user has no PO but has a DA that disables camera, we 1824 // don't get here and won't push the camera user restriction to UserManager 1825 // here. That's okay because we'll push user restrictions anyway when a user 1826 // starts. But we still do it because we want to let user manager persist 1827 // upon migration. 1828 pushUserRestrictions(userId); 1829 1830 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1831 } 1832 } 1833 if (VERBOSE_LOG && migrated) { 1834 Log.v(LOG_TAG, "User restrictions migrated."); 1835 } 1836 } 1837 1838 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1839 Set<String> exceptionList, boolean isDeviceOwner) { 1840 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1841 user.getIdentifier()); 1842 1843 final Bundle newBaseRestrictions = new Bundle(); 1844 final Bundle newOwnerRestrictions = new Bundle(); 1845 1846 for (String key : origRestrictions.keySet()) { 1847 if (!origRestrictions.getBoolean(key)) { 1848 continue; 1849 } 1850 final boolean canOwnerChange = isDeviceOwner 1851 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1852 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1853 1854 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1855 newBaseRestrictions.putBoolean(key, true); 1856 } else { 1857 newOwnerRestrictions.putBoolean(key, true); 1858 } 1859 } 1860 1861 if (VERBOSE_LOG) { 1862 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1863 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1864 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1865 } 1866 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1867 newBaseRestrictions); 1868 1869 if (admin != null) { 1870 admin.ensureUserRestrictions().clear(); 1871 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1872 } else { 1873 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1874 } 1875 saveSettingsLocked(user.getIdentifier()); 1876 } 1877 1878 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1879 final DevicePolicyData policy = getUserData(userId); 1880 final int n = policy.mAdminList.size(); 1881 ComponentName found = null; 1882 int nFound = 0; 1883 for (int i = 0; i < n; i++) { 1884 final ActiveAdmin admin = policy.mAdminList.get(i); 1885 if (packageName.equals(admin.info.getPackageName())) { 1886 // Found! 1887 if (nFound == 0) { 1888 found = admin.info.getComponent(); 1889 } 1890 nFound++; 1891 } 1892 } 1893 if (nFound > 1) { 1894 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1895 } 1896 return found; 1897 } 1898 1899 /** 1900 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1901 * reminders. Clears alarm if no expirations are configured. 1902 */ 1903 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 1904 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 1905 final long now = System.currentTimeMillis(); 1906 final long timeToExpire = expiration - now; 1907 final long alarmTime; 1908 if (expiration == 0) { 1909 // No expirations are currently configured: Cancel alarm. 1910 alarmTime = 0; 1911 } else if (timeToExpire <= 0) { 1912 // The password has already expired: Repeat every 24 hours. 1913 alarmTime = now + MS_PER_DAY; 1914 } else { 1915 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1916 // the expiration time. 1917 long alarmInterval = timeToExpire % MS_PER_DAY; 1918 if (alarmInterval == 0) { 1919 alarmInterval = MS_PER_DAY; 1920 } 1921 alarmTime = now + alarmInterval; 1922 } 1923 1924 long token = mInjector.binderClearCallingIdentity(); 1925 try { 1926 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 1927 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1928 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1929 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1930 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1931 UserHandle.of(affectedUserHandle)); 1932 am.cancel(pi); 1933 if (alarmTime != 0) { 1934 am.set(AlarmManager.RTC, alarmTime, pi); 1935 } 1936 } finally { 1937 mInjector.binderRestoreCallingIdentity(token); 1938 } 1939 } 1940 1941 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1942 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1943 if (admin != null 1944 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1945 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1946 return admin; 1947 } 1948 return null; 1949 } 1950 1951 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 1952 if (parent) { 1953 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 1954 } 1955 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1956 if (admin != null && parent) { 1957 admin = admin.getParentActiveAdmin(); 1958 } 1959 return admin; 1960 } 1961 1962 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1963 throws SecurityException { 1964 final int callingUid = mInjector.binderGetCallingUid(); 1965 1966 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1967 if (result != null) { 1968 return result; 1969 } 1970 1971 if (who != null) { 1972 final int userId = UserHandle.getUserId(callingUid); 1973 final DevicePolicyData policy = getUserData(userId); 1974 ActiveAdmin admin = policy.mAdminMap.get(who); 1975 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1976 throw new SecurityException("Admin " + admin.info.getComponent() 1977 + " does not own the device"); 1978 } 1979 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1980 throw new SecurityException("Admin " + admin.info.getComponent() 1981 + " does not own the profile"); 1982 } 1983 throw new SecurityException("Admin " + admin.info.getComponent() 1984 + " did not specify uses-policy for: " 1985 + admin.info.getTagForPolicy(reqPolicy)); 1986 } else { 1987 throw new SecurityException("No active admin owned by uid " 1988 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 1989 } 1990 } 1991 1992 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 1993 throws SecurityException { 1994 if (parent) { 1995 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 1996 "call APIs on the parent profile"); 1997 } 1998 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 1999 return parent ? admin.getParentActiveAdmin() : admin; 2000 } 2001 /** 2002 * Find the admin for the component and userId bit of the uid, then check 2003 * the admin's uid matches the uid. 2004 */ 2005 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2006 final int userId = UserHandle.getUserId(uid); 2007 final DevicePolicyData policy = getUserData(userId); 2008 ActiveAdmin admin = policy.mAdminMap.get(who); 2009 if (admin == null) { 2010 throw new SecurityException("No active admin " + who); 2011 } 2012 if (admin.getUid() != uid) { 2013 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2014 } 2015 return admin; 2016 } 2017 2018 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2019 int uid) { 2020 // Try to find an admin which can use reqPolicy 2021 final int userId = UserHandle.getUserId(uid); 2022 final DevicePolicyData policy = getUserData(userId); 2023 if (who != null) { 2024 ActiveAdmin admin = policy.mAdminMap.get(who); 2025 if (admin == null) { 2026 throw new SecurityException("No active admin " + who); 2027 } 2028 if (admin.getUid() != uid) { 2029 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2030 } 2031 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2032 return admin; 2033 } 2034 } else { 2035 for (ActiveAdmin admin : policy.mAdminList) { 2036 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2037 userId)) { 2038 return admin; 2039 } 2040 } 2041 } 2042 2043 return null; 2044 } 2045 2046 @VisibleForTesting 2047 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2048 int userId) { 2049 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2050 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2051 2052 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2053 return ownsDevice; 2054 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2055 // DO always has the PO power. 2056 return ownsDevice || ownsProfile; 2057 } else { 2058 return admin.info.usesPolicy(reqPolicy); 2059 } 2060 } 2061 2062 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2063 sendAdminCommandLocked(admin, action, null); 2064 } 2065 2066 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2067 sendAdminCommandLocked(admin, action, null, result); 2068 } 2069 2070 /** 2071 * Send an update to one specific admin, get notified when that admin returns a result. 2072 */ 2073 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2074 BroadcastReceiver result) { 2075 Intent intent = new Intent(action); 2076 intent.setComponent(admin.info.getComponent()); 2077 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2078 intent.putExtra("expiration", admin.passwordExpirationDate); 2079 } 2080 if (adminExtras != null) { 2081 intent.putExtras(adminExtras); 2082 } 2083 if (result != null) { 2084 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2085 null, result, mHandler, Activity.RESULT_OK, null, null); 2086 } else { 2087 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2088 } 2089 } 2090 2091 /** 2092 * Send an update to all admins of a user that enforce a specified policy. 2093 */ 2094 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 2095 final DevicePolicyData policy = getUserData(userHandle); 2096 final int count = policy.mAdminList.size(); 2097 if (count > 0) { 2098 for (int i = 0; i < count; i++) { 2099 final ActiveAdmin admin = policy.mAdminList.get(i); 2100 if (admin.info.usesPolicy(reqPolicy)) { 2101 sendAdminCommandLocked(admin, action); 2102 } 2103 } 2104 } 2105 } 2106 2107 /** 2108 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2109 * enforce a specified policy. 2110 */ 2111 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2112 int userHandle) { 2113 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2114 for (int profileId : profileIds) { 2115 sendAdminCommandLocked(action, reqPolicy, profileId); 2116 } 2117 } 2118 2119 /** 2120 * Sends a broadcast to each profile that share the password unlock with the given user id. 2121 */ 2122 private void sendAdminCommandForLockscreenPoliciesLocked( 2123 String action, int reqPolicy, int userHandle) { 2124 if (isSeparateProfileChallengeEnabled(userHandle)) { 2125 sendAdminCommandLocked(action, reqPolicy, userHandle); 2126 } else { 2127 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 2128 } 2129 } 2130 2131 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2132 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2133 DevicePolicyData policy = getUserData(userHandle); 2134 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2135 policy.mRemovingAdmins.add(adminReceiver); 2136 sendAdminCommandLocked(admin, 2137 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2138 new BroadcastReceiver() { 2139 @Override 2140 public void onReceive(Context context, Intent intent) { 2141 removeAdminArtifacts(adminReceiver, userHandle); 2142 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2143 } 2144 }); 2145 } 2146 } 2147 2148 2149 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2150 boolean throwForMissiongPermission) { 2151 if (!mHasFeature) { 2152 return null; 2153 } 2154 enforceFullCrossUsersPermission(userHandle); 2155 ActivityInfo ai = null; 2156 try { 2157 ai = mIPackageManager.getReceiverInfo(adminName, 2158 PackageManager.GET_META_DATA | 2159 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2160 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2161 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2162 } catch (RemoteException e) { 2163 // shouldn't happen. 2164 } 2165 if (ai == null) { 2166 throw new IllegalArgumentException("Unknown admin: " + adminName); 2167 } 2168 2169 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2170 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2171 + permission.BIND_DEVICE_ADMIN; 2172 Slog.w(LOG_TAG, message); 2173 if (throwForMissiongPermission && 2174 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2175 throw new IllegalArgumentException(message); 2176 } 2177 } 2178 2179 try { 2180 return new DeviceAdminInfo(mContext, ai); 2181 } catch (XmlPullParserException | IOException e) { 2182 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2183 e); 2184 return null; 2185 } 2186 } 2187 2188 private JournaledFile makeJournaledFile(int userHandle) { 2189 final String base = userHandle == UserHandle.USER_SYSTEM 2190 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2191 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2192 DEVICE_POLICIES_XML).getAbsolutePath(); 2193 if (VERBOSE_LOG) { 2194 Log.v(LOG_TAG, "Opening " + base); 2195 } 2196 return new JournaledFile(new File(base), new File(base + ".tmp")); 2197 } 2198 2199 private void saveSettingsLocked(int userHandle) { 2200 DevicePolicyData policy = getUserData(userHandle); 2201 JournaledFile journal = makeJournaledFile(userHandle); 2202 FileOutputStream stream = null; 2203 try { 2204 stream = new FileOutputStream(journal.chooseForWrite(), false); 2205 XmlSerializer out = new FastXmlSerializer(); 2206 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2207 out.startDocument(null, true); 2208 2209 out.startTag(null, "policies"); 2210 if (policy.mRestrictionsProvider != null) { 2211 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2212 policy.mRestrictionsProvider.flattenToString()); 2213 } 2214 if (policy.mUserSetupComplete) { 2215 out.attribute(null, ATTR_SETUP_COMPLETE, 2216 Boolean.toString(true)); 2217 } 2218 if (policy.mDeviceProvisioningConfigApplied) { 2219 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2220 Boolean.toString(true)); 2221 } 2222 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2223 out.attribute(null, ATTR_PROVISIONING_STATE, 2224 Integer.toString(policy.mUserProvisioningState)); 2225 } 2226 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2227 out.attribute(null, ATTR_PERMISSION_POLICY, 2228 Integer.toString(policy.mPermissionPolicy)); 2229 } 2230 if (policy.mDelegatedCertInstallerPackage != null) { 2231 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2232 policy.mDelegatedCertInstallerPackage); 2233 } 2234 if (policy.mApplicationRestrictionsManagingPackage != null) { 2235 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2236 policy.mApplicationRestrictionsManagingPackage); 2237 } 2238 2239 final int N = policy.mAdminList.size(); 2240 for (int i=0; i<N; i++) { 2241 ActiveAdmin ap = policy.mAdminList.get(i); 2242 if (ap != null) { 2243 out.startTag(null, "admin"); 2244 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2245 ap.writeToXml(out); 2246 out.endTag(null, "admin"); 2247 } 2248 } 2249 2250 if (policy.mPasswordOwner >= 0) { 2251 out.startTag(null, "password-owner"); 2252 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2253 out.endTag(null, "password-owner"); 2254 } 2255 2256 if (policy.mFailedPasswordAttempts != 0) { 2257 out.startTag(null, "failed-password-attempts"); 2258 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2259 out.endTag(null, "failed-password-attempts"); 2260 } 2261 2262 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 2263 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 2264 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 2265 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 2266 out.startTag(null, "active-password"); 2267 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 2268 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 2269 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 2270 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 2271 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 2272 out.attribute(null, "numeric", Integer 2273 .toString(policy.mActivePasswordNumeric)); 2274 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 2275 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 2276 out.endTag(null, "active-password"); 2277 } 2278 2279 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2280 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2281 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2282 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2283 } 2284 2285 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2286 String component = policy.mLockTaskPackages.get(i); 2287 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2288 out.attribute(null, "name", component); 2289 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2290 } 2291 2292 if (policy.mStatusBarDisabled) { 2293 out.startTag(null, TAG_STATUS_BAR); 2294 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2295 out.endTag(null, TAG_STATUS_BAR); 2296 } 2297 2298 if (policy.doNotAskCredentialsOnBoot) { 2299 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2300 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2301 } 2302 2303 for (String id : policy.mAffiliationIds) { 2304 out.startTag(null, TAG_AFFILIATION_ID); 2305 out.attribute(null, "id", id); 2306 out.endTag(null, TAG_AFFILIATION_ID); 2307 } 2308 2309 if (policy.mAdminBroadcastPending) { 2310 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2311 out.attribute(null, ATTR_VALUE, 2312 Boolean.toString(policy.mAdminBroadcastPending)); 2313 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2314 } 2315 2316 if (policy.mInitBundle != null) { 2317 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2318 policy.mInitBundle.saveToXml(out); 2319 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2320 } 2321 2322 out.endTag(null, "policies"); 2323 2324 out.endDocument(); 2325 stream.flush(); 2326 FileUtils.sync(stream); 2327 stream.close(); 2328 journal.commit(); 2329 sendChangedNotification(userHandle); 2330 } catch (XmlPullParserException | IOException e) { 2331 Slog.w(LOG_TAG, "failed writing file", e); 2332 try { 2333 if (stream != null) { 2334 stream.close(); 2335 } 2336 } catch (IOException ex) { 2337 // Ignore 2338 } 2339 journal.rollback(); 2340 } 2341 } 2342 2343 private void sendChangedNotification(int userHandle) { 2344 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2345 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2346 long ident = mInjector.binderClearCallingIdentity(); 2347 try { 2348 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2349 } finally { 2350 mInjector.binderRestoreCallingIdentity(ident); 2351 } 2352 } 2353 2354 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2355 JournaledFile journal = makeJournaledFile(userHandle); 2356 FileInputStream stream = null; 2357 File file = journal.chooseForRead(); 2358 try { 2359 stream = new FileInputStream(file); 2360 XmlPullParser parser = Xml.newPullParser(); 2361 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2362 2363 int type; 2364 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2365 && type != XmlPullParser.START_TAG) { 2366 } 2367 String tag = parser.getName(); 2368 if (!"policies".equals(tag)) { 2369 throw new XmlPullParserException( 2370 "Settings do not start with policies tag: found " + tag); 2371 } 2372 2373 // Extract the permission provider component name if available 2374 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2375 if (permissionProvider != null) { 2376 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2377 } 2378 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2379 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2380 policy.mUserSetupComplete = true; 2381 } 2382 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2383 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2384 if (deviceProvisioningConfigApplied != null 2385 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2386 policy.mDeviceProvisioningConfigApplied = true; 2387 } 2388 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2389 if (!TextUtils.isEmpty(provisioningState)) { 2390 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2391 } 2392 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2393 if (!TextUtils.isEmpty(permissionPolicy)) { 2394 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2395 } 2396 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2397 ATTR_DELEGATED_CERT_INSTALLER); 2398 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2399 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2400 2401 type = parser.next(); 2402 int outerDepth = parser.getDepth(); 2403 policy.mLockTaskPackages.clear(); 2404 policy.mAdminList.clear(); 2405 policy.mAdminMap.clear(); 2406 policy.mAffiliationIds.clear(); 2407 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2408 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2409 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2410 continue; 2411 } 2412 tag = parser.getName(); 2413 if ("admin".equals(tag)) { 2414 String name = parser.getAttributeValue(null, "name"); 2415 try { 2416 DeviceAdminInfo dai = findAdmin( 2417 ComponentName.unflattenFromString(name), userHandle, 2418 /* throwForMissionPermission= */ false); 2419 if (VERBOSE_LOG 2420 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2421 != userHandle)) { 2422 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2423 + dai.getActivityInfo().applicationInfo.uid + " for user " 2424 + userHandle); 2425 } 2426 if (dai != null) { 2427 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2428 ap.readFromXml(parser); 2429 policy.mAdminMap.put(ap.info.getComponent(), ap); 2430 } 2431 } catch (RuntimeException e) { 2432 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2433 } 2434 } else if ("failed-password-attempts".equals(tag)) { 2435 policy.mFailedPasswordAttempts = Integer.parseInt( 2436 parser.getAttributeValue(null, "value")); 2437 } else if ("password-owner".equals(tag)) { 2438 policy.mPasswordOwner = Integer.parseInt( 2439 parser.getAttributeValue(null, "value")); 2440 } else if ("active-password".equals(tag)) { 2441 policy.mActivePasswordQuality = Integer.parseInt( 2442 parser.getAttributeValue(null, "quality")); 2443 policy.mActivePasswordLength = Integer.parseInt( 2444 parser.getAttributeValue(null, "length")); 2445 policy.mActivePasswordUpperCase = Integer.parseInt( 2446 parser.getAttributeValue(null, "uppercase")); 2447 policy.mActivePasswordLowerCase = Integer.parseInt( 2448 parser.getAttributeValue(null, "lowercase")); 2449 policy.mActivePasswordLetters = Integer.parseInt( 2450 parser.getAttributeValue(null, "letters")); 2451 policy.mActivePasswordNumeric = Integer.parseInt( 2452 parser.getAttributeValue(null, "numeric")); 2453 policy.mActivePasswordSymbols = Integer.parseInt( 2454 parser.getAttributeValue(null, "symbols")); 2455 policy.mActivePasswordNonLetter = Integer.parseInt( 2456 parser.getAttributeValue(null, "nonletter")); 2457 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2458 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2459 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2460 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2461 } else if (TAG_STATUS_BAR.equals(tag)) { 2462 policy.mStatusBarDisabled = Boolean.parseBoolean( 2463 parser.getAttributeValue(null, ATTR_DISABLED)); 2464 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2465 policy.doNotAskCredentialsOnBoot = true; 2466 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2467 policy.mAffiliationIds.add(parser.getAttributeValue(null, "id")); 2468 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2469 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2470 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2471 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2472 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2473 } else { 2474 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2475 XmlUtils.skipCurrentTag(parser); 2476 } 2477 } 2478 } catch (FileNotFoundException e) { 2479 // Don't be noisy, this is normal if we haven't defined any policies. 2480 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2481 | IndexOutOfBoundsException e) { 2482 Slog.w(LOG_TAG, "failed parsing " + file, e); 2483 } 2484 try { 2485 if (stream != null) { 2486 stream.close(); 2487 } 2488 } catch (IOException e) { 2489 // Ignore 2490 } 2491 2492 // Generate a list of admins from the admin map 2493 policy.mAdminList.addAll(policy.mAdminMap.values()); 2494 2495 // Validate that what we stored for the password quality matches 2496 // sufficiently what is currently set. Note that this is only 2497 // a sanity check in case the two get out of sync; this should 2498 // never normally happen. 2499 final long identity = mInjector.binderClearCallingIdentity(); 2500 try { 2501 int actualPasswordQuality = mLockPatternUtils.getActivePasswordQuality(userHandle); 2502 if (actualPasswordQuality < policy.mActivePasswordQuality) { 2503 Slog.w(LOG_TAG, "Active password quality 0x" 2504 + Integer.toHexString(policy.mActivePasswordQuality) 2505 + " does not match actual quality 0x" 2506 + Integer.toHexString(actualPasswordQuality)); 2507 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2508 policy.mActivePasswordLength = 0; 2509 policy.mActivePasswordUpperCase = 0; 2510 policy.mActivePasswordLowerCase = 0; 2511 policy.mActivePasswordLetters = 0; 2512 policy.mActivePasswordNumeric = 0; 2513 policy.mActivePasswordSymbols = 0; 2514 policy.mActivePasswordNonLetter = 0; 2515 } 2516 } finally { 2517 mInjector.binderRestoreCallingIdentity(identity); 2518 } 2519 2520 validatePasswordOwnerLocked(policy); 2521 updateMaximumTimeToLockLocked(userHandle); 2522 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2523 if (policy.mStatusBarDisabled) { 2524 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2525 } 2526 } 2527 2528 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2529 long ident = mInjector.binderClearCallingIdentity(); 2530 try { 2531 mInjector.getIActivityManager() 2532 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2533 } catch (RemoteException e) { 2534 // Not gonna happen. 2535 } finally { 2536 mInjector.binderRestoreCallingIdentity(ident); 2537 } 2538 } 2539 2540 private void updateDeviceOwnerLocked() { 2541 long ident = mInjector.binderClearCallingIdentity(); 2542 try { 2543 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2544 // user id and also protect all other DAs too. 2545 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2546 if (deviceOwnerComponent != null) { 2547 mInjector.getIActivityManager() 2548 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2549 } 2550 } catch (RemoteException e) { 2551 // Not gonna happen. 2552 } finally { 2553 mInjector.binderRestoreCallingIdentity(ident); 2554 } 2555 } 2556 2557 static void validateQualityConstant(int quality) { 2558 switch (quality) { 2559 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2560 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2561 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2562 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2563 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2564 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2565 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2566 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2567 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2568 return; 2569 } 2570 throw new IllegalArgumentException("Invalid quality constant: 0x" 2571 + Integer.toHexString(quality)); 2572 } 2573 2574 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2575 if (policy.mPasswordOwner >= 0) { 2576 boolean haveOwner = false; 2577 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2578 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2579 haveOwner = true; 2580 break; 2581 } 2582 } 2583 if (!haveOwner) { 2584 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2585 + " no longer active; disabling"); 2586 policy.mPasswordOwner = -1; 2587 } 2588 } 2589 } 2590 2591 @VisibleForTesting 2592 void systemReady(int phase) { 2593 if (!mHasFeature) { 2594 return; 2595 } 2596 switch (phase) { 2597 case SystemService.PHASE_LOCK_SETTINGS_READY: 2598 onLockSettingsReady(); 2599 break; 2600 case SystemService.PHASE_BOOT_COMPLETED: 2601 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2602 break; 2603 } 2604 } 2605 2606 private void onLockSettingsReady() { 2607 getUserData(UserHandle.USER_SYSTEM); 2608 loadOwners(); 2609 cleanUpOldUsers(); 2610 2611 onStartUser(UserHandle.USER_SYSTEM); 2612 2613 // Register an observer for watching for user setup complete. 2614 new SetupContentObserver(mHandler).register(); 2615 // Initialize the user setup state, to handle the upgrade case. 2616 updateUserSetupComplete(); 2617 2618 List<String> packageList; 2619 synchronized (this) { 2620 packageList = getKeepUninstalledPackagesLocked(); 2621 } 2622 if (packageList != null) { 2623 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2624 } 2625 2626 synchronized (this) { 2627 // push the force-ephemeral-users policy to the user manager. 2628 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2629 if (deviceOwner != null) { 2630 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2631 } 2632 } 2633 } 2634 2635 private void ensureDeviceOwnerUserStarted() { 2636 final int userId; 2637 synchronized (this) { 2638 if (!mOwners.hasDeviceOwner()) { 2639 return; 2640 } 2641 userId = mOwners.getDeviceOwnerUserId(); 2642 } 2643 if (VERBOSE_LOG) { 2644 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2645 } 2646 if (userId != UserHandle.USER_SYSTEM) { 2647 try { 2648 mInjector.getIActivityManager().startUserInBackground(userId); 2649 2650 // STOPSHIP Prevent the DO user from being killed. 2651 2652 } catch (RemoteException e) { 2653 Slog.w(LOG_TAG, "Exception starting user", e); 2654 } 2655 } 2656 } 2657 2658 private void onStartUser(int userId) { 2659 updateScreenCaptureDisabledInWindowManager(userId, 2660 getScreenCaptureDisabled(null, userId)); 2661 pushUserRestrictions(userId); 2662 } 2663 2664 private void cleanUpOldUsers() { 2665 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2666 // before reboot 2667 Set<Integer> usersWithProfileOwners; 2668 Set<Integer> usersWithData; 2669 synchronized(this) { 2670 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2671 usersWithData = new ArraySet<>(); 2672 for (int i = 0; i < mUserData.size(); i++) { 2673 usersWithData.add(mUserData.keyAt(i)); 2674 } 2675 } 2676 List<UserInfo> allUsers = mUserManager.getUsers(); 2677 2678 Set<Integer> deletedUsers = new ArraySet<>(); 2679 deletedUsers.addAll(usersWithProfileOwners); 2680 deletedUsers.addAll(usersWithData); 2681 for (UserInfo userInfo : allUsers) { 2682 deletedUsers.remove(userInfo.id); 2683 } 2684 for (Integer userId : deletedUsers) { 2685 removeUserData(userId); 2686 } 2687 } 2688 2689 private void handlePasswordExpirationNotification(int userHandle) { 2690 synchronized (this) { 2691 final long now = System.currentTimeMillis(); 2692 2693 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2694 userHandle, /* parent */ false); 2695 final int N = admins.size(); 2696 for (int i = 0; i < N; i++) { 2697 ActiveAdmin admin = admins.get(i); 2698 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2699 && admin.passwordExpirationTimeout > 0L 2700 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2701 && admin.passwordExpirationDate > 0L) { 2702 sendAdminCommandLocked(admin, 2703 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2704 } 2705 } 2706 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2707 } 2708 } 2709 2710 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2711 @Override 2712 protected Void doInBackground(Integer... params) { 2713 int userHandle = params[0]; 2714 2715 if (userHandle == UserHandle.USER_ALL) { 2716 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2717 manageNotification(userInfo.getUserHandle()); 2718 } 2719 } else { 2720 manageNotification(UserHandle.of(userHandle)); 2721 } 2722 return null; 2723 } 2724 2725 private void manageNotification(UserHandle userHandle) { 2726 if (!mUserManager.isUserUnlocked(userHandle)) { 2727 return; 2728 } 2729 2730 // Call out to KeyChain to check for CAs which are waiting for approval. 2731 final List<String> pendingCertificates; 2732 try { 2733 pendingCertificates = getInstalledCaCertificates(userHandle); 2734 } catch (RemoteException | RuntimeException e) { 2735 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2736 return; 2737 } 2738 2739 synchronized (DevicePolicyManagerService.this) { 2740 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2741 2742 // Remove deleted certificates. Flush xml if necessary. 2743 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2744 saveSettingsLocked(userHandle.getIdentifier()); 2745 } 2746 // Trim to approved certificates. 2747 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2748 } 2749 2750 if (pendingCertificates.isEmpty()) { 2751 mInjector.getNotificationManager().cancelAsUser( 2752 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2753 return; 2754 } 2755 2756 // Build and show a warning notification 2757 int smallIconId; 2758 String contentText; 2759 int parentUserId = userHandle.getIdentifier(); 2760 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2761 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2762 getProfileOwnerName(userHandle.getIdentifier())); 2763 smallIconId = R.drawable.stat_sys_certificate_info; 2764 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2765 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2766 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2767 getDeviceOwnerName()); 2768 smallIconId = R.drawable.stat_sys_certificate_info; 2769 } else { 2770 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2771 smallIconId = android.R.drawable.stat_sys_warning; 2772 } 2773 2774 final int numberOfCertificates = pendingCertificates.size(); 2775 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2776 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2777 dialogIntent.setPackage("com.android.settings"); 2778 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 2779 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 2780 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2781 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 2782 new UserHandle(parentUserId)); 2783 2784 final Context userContext; 2785 try { 2786 final String packageName = mContext.getPackageName(); 2787 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 2788 } catch (PackageManager.NameNotFoundException e) { 2789 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2790 return; 2791 } 2792 final Notification noti = new Notification.Builder(userContext) 2793 .setSmallIcon(smallIconId) 2794 .setContentTitle(mContext.getResources().getQuantityText( 2795 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 2796 .setContentText(contentText) 2797 .setContentIntent(notifyIntent) 2798 .setPriority(Notification.PRIORITY_HIGH) 2799 .setShowWhen(false) 2800 .setColor(mContext.getColor( 2801 com.android.internal.R.color.system_notification_accent_color)) 2802 .build(); 2803 2804 mInjector.getNotificationManager().notifyAsUser( 2805 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2806 } 2807 2808 private List<String> getInstalledCaCertificates(UserHandle userHandle) 2809 throws RemoteException, RuntimeException { 2810 KeyChainConnection conn = null; 2811 try { 2812 conn = KeyChain.bindAsUser(mContext, userHandle); 2813 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 2814 List<String> result = new ArrayList<>(aliases.size()); 2815 for (int i = 0; i < aliases.size(); i++) { 2816 result.add(aliases.get(i).string); 2817 } 2818 return result; 2819 } catch (InterruptedException e) { 2820 Thread.currentThread().interrupt(); 2821 return null; 2822 } catch (AssertionError e) { 2823 throw new RuntimeException(e); 2824 } finally { 2825 if (conn != null) { 2826 conn.close(); 2827 } 2828 } 2829 } 2830 } 2831 2832 /** 2833 * @param adminReceiver The admin to add 2834 * @param refreshing true = update an active admin, no error 2835 */ 2836 @Override 2837 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2838 if (!mHasFeature) { 2839 return; 2840 } 2841 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2842 } 2843 2844 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2845 Bundle onEnableData) { 2846 mContext.enforceCallingOrSelfPermission( 2847 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2848 enforceFullCrossUsersPermission(userHandle); 2849 2850 DevicePolicyData policy = getUserData(userHandle); 2851 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2852 /* throwForMissionPermission= */ true); 2853 if (info == null) { 2854 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2855 } 2856 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2857 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 2858 + adminReceiver); 2859 } 2860 synchronized (this) { 2861 long ident = mInjector.binderClearCallingIdentity(); 2862 try { 2863 final ActiveAdmin existingAdmin 2864 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2865 if (!refreshing && existingAdmin != null) { 2866 throw new IllegalArgumentException("Admin is already added"); 2867 } 2868 if (policy.mRemovingAdmins.contains(adminReceiver)) { 2869 throw new IllegalArgumentException( 2870 "Trying to set an admin which is being removed"); 2871 } 2872 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2873 newAdmin.testOnlyAdmin = 2874 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 2875 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 2876 policy.mAdminMap.put(adminReceiver, newAdmin); 2877 int replaceIndex = -1; 2878 final int N = policy.mAdminList.size(); 2879 for (int i=0; i < N; i++) { 2880 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2881 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2882 replaceIndex = i; 2883 break; 2884 } 2885 } 2886 if (replaceIndex == -1) { 2887 policy.mAdminList.add(newAdmin); 2888 enableIfNecessary(info.getPackageName(), userHandle); 2889 } else { 2890 policy.mAdminList.set(replaceIndex, newAdmin); 2891 } 2892 saveSettingsLocked(userHandle); 2893 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2894 onEnableData, null); 2895 } finally { 2896 mInjector.binderRestoreCallingIdentity(ident); 2897 } 2898 } 2899 } 2900 2901 @Override 2902 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2903 if (!mHasFeature) { 2904 return false; 2905 } 2906 enforceFullCrossUsersPermission(userHandle); 2907 synchronized (this) { 2908 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2909 } 2910 } 2911 2912 @Override 2913 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2914 if (!mHasFeature) { 2915 return false; 2916 } 2917 enforceFullCrossUsersPermission(userHandle); 2918 synchronized (this) { 2919 DevicePolicyData policyData = getUserData(userHandle); 2920 return policyData.mRemovingAdmins.contains(adminReceiver); 2921 } 2922 } 2923 2924 @Override 2925 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2926 if (!mHasFeature) { 2927 return false; 2928 } 2929 enforceFullCrossUsersPermission(userHandle); 2930 synchronized (this) { 2931 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2932 if (administrator == null) { 2933 throw new SecurityException("No active admin " + adminReceiver); 2934 } 2935 return administrator.info.usesPolicy(policyId); 2936 } 2937 } 2938 2939 @Override 2940 @SuppressWarnings("unchecked") 2941 public List<ComponentName> getActiveAdmins(int userHandle) { 2942 if (!mHasFeature) { 2943 return Collections.EMPTY_LIST; 2944 } 2945 2946 enforceFullCrossUsersPermission(userHandle); 2947 synchronized (this) { 2948 DevicePolicyData policy = getUserData(userHandle); 2949 final int N = policy.mAdminList.size(); 2950 if (N <= 0) { 2951 return null; 2952 } 2953 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2954 for (int i=0; i<N; i++) { 2955 res.add(policy.mAdminList.get(i).info.getComponent()); 2956 } 2957 return res; 2958 } 2959 } 2960 2961 @Override 2962 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2963 if (!mHasFeature) { 2964 return false; 2965 } 2966 enforceFullCrossUsersPermission(userHandle); 2967 synchronized (this) { 2968 DevicePolicyData policy = getUserData(userHandle); 2969 final int N = policy.mAdminList.size(); 2970 for (int i=0; i<N; i++) { 2971 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2972 return true; 2973 } 2974 } 2975 return false; 2976 } 2977 } 2978 2979 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 2980 if (!mHasFeature) { 2981 return; 2982 } 2983 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 2984 enforceShell("forceRemoveActiveAdmin"); 2985 long ident = mInjector.binderClearCallingIdentity(); 2986 try { 2987 synchronized (this) { 2988 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 2989 throw new SecurityException("Attempt to remove non-test admin " 2990 + adminReceiver + " " + userHandle); 2991 } 2992 2993 // If admin is a device or profile owner tidy that up first. 2994 if (isDeviceOwner(adminReceiver, userHandle)) { 2995 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 2996 } 2997 if (isProfileOwner(adminReceiver, userHandle)) { 2998 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 2999 userHandle, /* parent */ false); 3000 clearProfileOwnerLocked(admin, userHandle); 3001 } 3002 } 3003 // Remove the admin skipping sending the broadcast. 3004 removeAdminArtifacts(adminReceiver, userHandle); 3005 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3006 } finally { 3007 mInjector.binderRestoreCallingIdentity(ident); 3008 } 3009 } 3010 3011 /** 3012 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3013 * for CTS. 3014 * 3015 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3016 * to check wehter an active admin is test-only or not. 3017 * 3018 * The system allows this flag to be changed when an app is updated, which is not good 3019 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3020 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3021 */ 3022 private boolean isPackageTestOnly(String packageName, int userHandle) { 3023 final ApplicationInfo ai; 3024 try { 3025 ai = mIPackageManager.getApplicationInfo(packageName, 3026 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3027 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3028 } catch (RemoteException e) { 3029 throw new IllegalStateException(e); 3030 } 3031 if (ai == null) { 3032 throw new IllegalStateException("Couldn't find package: " 3033 + packageName + " on user " + userHandle); 3034 } 3035 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3036 } 3037 3038 /** 3039 * See {@link #isPackageTestOnly}. 3040 */ 3041 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3042 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3043 return (admin != null) && admin.testOnlyAdmin; 3044 } 3045 3046 private void enforceShell(String method) { 3047 final int callingUid = Binder.getCallingUid(); 3048 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3049 throw new SecurityException("Non-shell user attempted to call " + method); 3050 } 3051 } 3052 3053 @Override 3054 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3055 if (!mHasFeature) { 3056 return; 3057 } 3058 enforceFullCrossUsersPermission(userHandle); 3059 enforceUserUnlocked(userHandle); 3060 synchronized (this) { 3061 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3062 if (admin == null) { 3063 return; 3064 } 3065 // Active device/profile owners must remain active admins. 3066 if (isDeviceOwner(adminReceiver, userHandle) 3067 || isProfileOwner(adminReceiver, userHandle)) { 3068 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3069 adminReceiver); 3070 return; 3071 } 3072 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3073 mContext.enforceCallingOrSelfPermission( 3074 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3075 } 3076 long ident = mInjector.binderClearCallingIdentity(); 3077 try { 3078 removeActiveAdminLocked(adminReceiver, userHandle); 3079 } finally { 3080 mInjector.binderRestoreCallingIdentity(ident); 3081 } 3082 } 3083 } 3084 3085 @Override 3086 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3087 ComponentName profileOwner = getProfileOwner(userHandle); 3088 // Profile challenge is supported on N or newer release. 3089 return profileOwner != null && 3090 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3091 } 3092 3093 @Override 3094 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3095 if (!mHasFeature) { 3096 return; 3097 } 3098 Preconditions.checkNotNull(who, "ComponentName is null"); 3099 validateQualityConstant(quality); 3100 3101 synchronized (this) { 3102 ActiveAdmin ap = getActiveAdminForCallerLocked( 3103 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3104 if (ap.passwordQuality != quality) { 3105 ap.passwordQuality = quality; 3106 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3107 } 3108 } 3109 } 3110 3111 @Override 3112 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3113 if (!mHasFeature) { 3114 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3115 } 3116 enforceFullCrossUsersPermission(userHandle); 3117 synchronized (this) { 3118 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3119 3120 if (who != null) { 3121 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3122 return admin != null ? admin.passwordQuality : mode; 3123 } 3124 3125 // Return the strictest policy across all participating admins. 3126 List<ActiveAdmin> admins = 3127 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3128 final int N = admins.size(); 3129 for (int i = 0; i < N; i++) { 3130 ActiveAdmin admin = admins.get(i); 3131 if (mode < admin.passwordQuality) { 3132 mode = admin.passwordQuality; 3133 } 3134 } 3135 return mode; 3136 } 3137 } 3138 3139 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3140 int userHandle, boolean parent) { 3141 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3142 // If this user has a separate challenge, only return its restrictions. 3143 return getUserDataUnchecked(userHandle).mAdminList; 3144 } else { 3145 // Return all admins for this user and the profiles that are visible from this 3146 // user that do not use a separate work challenge. 3147 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3148 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3149 DevicePolicyData policy = getUserData(userInfo.id); 3150 if (!userInfo.isManagedProfile()) { 3151 admins.addAll(policy.mAdminList); 3152 } else { 3153 // For managed profiles, we always include the policies set on the parent 3154 // profile. Additionally, we include the ones set on the managed profile 3155 // if no separate challenge is in place. 3156 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3157 final int N = policy.mAdminList.size(); 3158 for (int i = 0; i < N; i++) { 3159 ActiveAdmin admin = policy.mAdminList.get(i); 3160 if (admin.hasParentActiveAdmin()) { 3161 admins.add(admin.getParentActiveAdmin()); 3162 } 3163 if (!hasSeparateChallenge) { 3164 admins.add(admin); 3165 } 3166 } 3167 } 3168 } 3169 return admins; 3170 } 3171 } 3172 3173 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3174 long ident = mInjector.binderClearCallingIdentity(); 3175 try { 3176 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3177 } finally { 3178 mInjector.binderRestoreCallingIdentity(ident); 3179 } 3180 } 3181 3182 @Override 3183 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3184 if (!mHasFeature) { 3185 return; 3186 } 3187 Preconditions.checkNotNull(who, "ComponentName is null"); 3188 synchronized (this) { 3189 ActiveAdmin ap = getActiveAdminForCallerLocked( 3190 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3191 if (ap.minimumPasswordLength != length) { 3192 ap.minimumPasswordLength = length; 3193 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3194 } 3195 } 3196 } 3197 3198 @Override 3199 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3200 if (!mHasFeature) { 3201 return 0; 3202 } 3203 enforceFullCrossUsersPermission(userHandle); 3204 synchronized (this) { 3205 int length = 0; 3206 3207 if (who != null) { 3208 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3209 return admin != null ? admin.minimumPasswordLength : length; 3210 } 3211 3212 // Return the strictest policy across all participating admins. 3213 List<ActiveAdmin> admins = 3214 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3215 final int N = admins.size(); 3216 for (int i = 0; i < N; i++) { 3217 ActiveAdmin admin = admins.get(i); 3218 if (length < admin.minimumPasswordLength) { 3219 length = admin.minimumPasswordLength; 3220 } 3221 } 3222 return length; 3223 } 3224 } 3225 3226 @Override 3227 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3228 if (!mHasFeature) { 3229 return; 3230 } 3231 Preconditions.checkNotNull(who, "ComponentName is null"); 3232 synchronized (this) { 3233 ActiveAdmin ap = getActiveAdminForCallerLocked( 3234 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3235 if (ap.passwordHistoryLength != length) { 3236 ap.passwordHistoryLength = length; 3237 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3238 } 3239 } 3240 } 3241 3242 @Override 3243 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3244 if (!mHasFeature) { 3245 return 0; 3246 } 3247 enforceFullCrossUsersPermission(userHandle); 3248 synchronized (this) { 3249 int length = 0; 3250 3251 if (who != null) { 3252 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3253 return admin != null ? admin.passwordHistoryLength : length; 3254 } 3255 3256 // Return the strictest policy across all participating admins. 3257 List<ActiveAdmin> admins = 3258 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3259 final int N = admins.size(); 3260 for (int i = 0; i < N; i++) { 3261 ActiveAdmin admin = admins.get(i); 3262 if (length < admin.passwordHistoryLength) { 3263 length = admin.passwordHistoryLength; 3264 } 3265 } 3266 3267 return length; 3268 } 3269 } 3270 3271 @Override 3272 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3273 if (!mHasFeature) { 3274 return; 3275 } 3276 Preconditions.checkNotNull(who, "ComponentName is null"); 3277 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3278 final int userHandle = mInjector.userHandleGetCallingUserId(); 3279 synchronized (this) { 3280 ActiveAdmin ap = getActiveAdminForCallerLocked( 3281 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3282 // Calling this API automatically bumps the expiration date 3283 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3284 ap.passwordExpirationDate = expiration; 3285 ap.passwordExpirationTimeout = timeout; 3286 if (timeout > 0L) { 3287 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3288 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3289 .format(new Date(expiration))); 3290 } 3291 saveSettingsLocked(userHandle); 3292 3293 // in case this is the first one, set the alarm on the appropriate user. 3294 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3295 } 3296 } 3297 3298 /** 3299 * Return a single admin's expiration cycle time, or the min of all cycle times. 3300 * Returns 0 if not configured. 3301 */ 3302 @Override 3303 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3304 if (!mHasFeature) { 3305 return 0L; 3306 } 3307 enforceFullCrossUsersPermission(userHandle); 3308 synchronized (this) { 3309 long timeout = 0L; 3310 3311 if (who != null) { 3312 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3313 return admin != null ? admin.passwordExpirationTimeout : timeout; 3314 } 3315 3316 // Return the strictest policy across all participating admins. 3317 List<ActiveAdmin> admins = 3318 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3319 final int N = admins.size(); 3320 for (int i = 0; i < N; i++) { 3321 ActiveAdmin admin = admins.get(i); 3322 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3323 && timeout > admin.passwordExpirationTimeout)) { 3324 timeout = admin.passwordExpirationTimeout; 3325 } 3326 } 3327 return timeout; 3328 } 3329 } 3330 3331 @Override 3332 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3333 final int userId = UserHandle.getCallingUserId(); 3334 List<String> changedProviders = null; 3335 3336 synchronized (this) { 3337 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3338 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3339 if (activeAdmin.crossProfileWidgetProviders == null) { 3340 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3341 } 3342 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3343 if (!providers.contains(packageName)) { 3344 providers.add(packageName); 3345 changedProviders = new ArrayList<>(providers); 3346 saveSettingsLocked(userId); 3347 } 3348 } 3349 3350 if (changedProviders != null) { 3351 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3352 return true; 3353 } 3354 3355 return false; 3356 } 3357 3358 @Override 3359 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3360 final int userId = UserHandle.getCallingUserId(); 3361 List<String> changedProviders = null; 3362 3363 synchronized (this) { 3364 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3365 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3366 if (activeAdmin.crossProfileWidgetProviders == null) { 3367 return false; 3368 } 3369 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3370 if (providers.remove(packageName)) { 3371 changedProviders = new ArrayList<>(providers); 3372 saveSettingsLocked(userId); 3373 } 3374 } 3375 3376 if (changedProviders != null) { 3377 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3378 return true; 3379 } 3380 3381 return false; 3382 } 3383 3384 @Override 3385 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3386 synchronized (this) { 3387 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3388 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3389 if (activeAdmin.crossProfileWidgetProviders == null 3390 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3391 return null; 3392 } 3393 if (mInjector.binderIsCallingUidMyUid()) { 3394 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3395 } else { 3396 return activeAdmin.crossProfileWidgetProviders; 3397 } 3398 } 3399 } 3400 3401 /** 3402 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3403 * Returns 0 if not configured. 3404 */ 3405 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3406 long timeout = 0L; 3407 3408 if (who != null) { 3409 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3410 return admin != null ? admin.passwordExpirationDate : timeout; 3411 } 3412 3413 // Return the strictest policy across all participating admins. 3414 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3415 final int N = admins.size(); 3416 for (int i = 0; i < N; i++) { 3417 ActiveAdmin admin = admins.get(i); 3418 if (timeout == 0L || (admin.passwordExpirationDate != 0 3419 && timeout > admin.passwordExpirationDate)) { 3420 timeout = admin.passwordExpirationDate; 3421 } 3422 } 3423 return timeout; 3424 } 3425 3426 @Override 3427 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3428 if (!mHasFeature) { 3429 return 0L; 3430 } 3431 enforceFullCrossUsersPermission(userHandle); 3432 synchronized (this) { 3433 return getPasswordExpirationLocked(who, userHandle, parent); 3434 } 3435 } 3436 3437 @Override 3438 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3439 if (!mHasFeature) { 3440 return; 3441 } 3442 Preconditions.checkNotNull(who, "ComponentName is null"); 3443 synchronized (this) { 3444 ActiveAdmin ap = getActiveAdminForCallerLocked( 3445 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3446 if (ap.minimumPasswordUpperCase != length) { 3447 ap.minimumPasswordUpperCase = length; 3448 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3449 } 3450 } 3451 } 3452 3453 @Override 3454 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3455 if (!mHasFeature) { 3456 return 0; 3457 } 3458 enforceFullCrossUsersPermission(userHandle); 3459 synchronized (this) { 3460 int length = 0; 3461 3462 if (who != null) { 3463 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3464 return admin != null ? admin.minimumPasswordUpperCase : length; 3465 } 3466 3467 // Return the strictest policy across all participating admins. 3468 List<ActiveAdmin> admins = 3469 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3470 final int N = admins.size(); 3471 for (int i = 0; i < N; i++) { 3472 ActiveAdmin admin = admins.get(i); 3473 if (length < admin.minimumPasswordUpperCase) { 3474 length = admin.minimumPasswordUpperCase; 3475 } 3476 } 3477 return length; 3478 } 3479 } 3480 3481 @Override 3482 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3483 Preconditions.checkNotNull(who, "ComponentName is null"); 3484 synchronized (this) { 3485 ActiveAdmin ap = getActiveAdminForCallerLocked( 3486 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3487 if (ap.minimumPasswordLowerCase != length) { 3488 ap.minimumPasswordLowerCase = length; 3489 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3490 } 3491 } 3492 } 3493 3494 @Override 3495 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3496 if (!mHasFeature) { 3497 return 0; 3498 } 3499 enforceFullCrossUsersPermission(userHandle); 3500 synchronized (this) { 3501 int length = 0; 3502 3503 if (who != null) { 3504 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3505 return admin != null ? admin.minimumPasswordLowerCase : length; 3506 } 3507 3508 // Return the strictest policy across all participating admins. 3509 List<ActiveAdmin> admins = 3510 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3511 final int N = admins.size(); 3512 for (int i = 0; i < N; i++) { 3513 ActiveAdmin admin = admins.get(i); 3514 if (length < admin.minimumPasswordLowerCase) { 3515 length = admin.minimumPasswordLowerCase; 3516 } 3517 } 3518 return length; 3519 } 3520 } 3521 3522 @Override 3523 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3524 if (!mHasFeature) { 3525 return; 3526 } 3527 Preconditions.checkNotNull(who, "ComponentName is null"); 3528 synchronized (this) { 3529 ActiveAdmin ap = getActiveAdminForCallerLocked( 3530 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3531 if (ap.minimumPasswordLetters != length) { 3532 ap.minimumPasswordLetters = length; 3533 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3534 } 3535 } 3536 } 3537 3538 @Override 3539 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3540 if (!mHasFeature) { 3541 return 0; 3542 } 3543 enforceFullCrossUsersPermission(userHandle); 3544 synchronized (this) { 3545 int length = 0; 3546 3547 if (who != null) { 3548 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3549 return admin != null ? admin.minimumPasswordLetters : length; 3550 } 3551 3552 // Return the strictest policy across all participating admins. 3553 List<ActiveAdmin> admins = 3554 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3555 final int N = admins.size(); 3556 for (int i = 0; i < N; i++) { 3557 ActiveAdmin admin = admins.get(i); 3558 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3559 continue; 3560 } 3561 if (length < admin.minimumPasswordLetters) { 3562 length = admin.minimumPasswordLetters; 3563 } 3564 } 3565 return length; 3566 } 3567 } 3568 3569 @Override 3570 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3571 if (!mHasFeature) { 3572 return; 3573 } 3574 Preconditions.checkNotNull(who, "ComponentName is null"); 3575 synchronized (this) { 3576 ActiveAdmin ap = getActiveAdminForCallerLocked( 3577 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3578 if (ap.minimumPasswordNumeric != length) { 3579 ap.minimumPasswordNumeric = length; 3580 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3581 } 3582 } 3583 } 3584 3585 @Override 3586 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3587 if (!mHasFeature) { 3588 return 0; 3589 } 3590 enforceFullCrossUsersPermission(userHandle); 3591 synchronized (this) { 3592 int length = 0; 3593 3594 if (who != null) { 3595 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3596 return admin != null ? admin.minimumPasswordNumeric : length; 3597 } 3598 3599 // Return the strictest policy across all participating admins. 3600 List<ActiveAdmin> admins = 3601 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3602 final int N = admins.size(); 3603 for (int i = 0; i < N; i++) { 3604 ActiveAdmin admin = admins.get(i); 3605 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3606 continue; 3607 } 3608 if (length < admin.minimumPasswordNumeric) { 3609 length = admin.minimumPasswordNumeric; 3610 } 3611 } 3612 return length; 3613 } 3614 } 3615 3616 @Override 3617 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3618 if (!mHasFeature) { 3619 return; 3620 } 3621 Preconditions.checkNotNull(who, "ComponentName is null"); 3622 synchronized (this) { 3623 ActiveAdmin ap = getActiveAdminForCallerLocked( 3624 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3625 if (ap.minimumPasswordSymbols != length) { 3626 ap.minimumPasswordSymbols = length; 3627 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3628 } 3629 } 3630 } 3631 3632 @Override 3633 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3634 if (!mHasFeature) { 3635 return 0; 3636 } 3637 enforceFullCrossUsersPermission(userHandle); 3638 synchronized (this) { 3639 int length = 0; 3640 3641 if (who != null) { 3642 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3643 return admin != null ? admin.minimumPasswordSymbols : length; 3644 } 3645 3646 // Return the strictest policy across all participating admins. 3647 List<ActiveAdmin> admins = 3648 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3649 final int N = admins.size(); 3650 for (int i = 0; i < N; i++) { 3651 ActiveAdmin admin = admins.get(i); 3652 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3653 continue; 3654 } 3655 if (length < admin.minimumPasswordSymbols) { 3656 length = admin.minimumPasswordSymbols; 3657 } 3658 } 3659 return length; 3660 } 3661 } 3662 3663 @Override 3664 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3665 if (!mHasFeature) { 3666 return; 3667 } 3668 Preconditions.checkNotNull(who, "ComponentName is null"); 3669 synchronized (this) { 3670 ActiveAdmin ap = getActiveAdminForCallerLocked( 3671 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3672 if (ap.minimumPasswordNonLetter != length) { 3673 ap.minimumPasswordNonLetter = length; 3674 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3675 } 3676 } 3677 } 3678 3679 @Override 3680 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3681 if (!mHasFeature) { 3682 return 0; 3683 } 3684 enforceFullCrossUsersPermission(userHandle); 3685 synchronized (this) { 3686 int length = 0; 3687 3688 if (who != null) { 3689 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3690 return admin != null ? admin.minimumPasswordNonLetter : length; 3691 } 3692 3693 // Return the strictest policy across all participating admins. 3694 List<ActiveAdmin> admins = 3695 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3696 final int N = admins.size(); 3697 for (int i = 0; i < N; i++) { 3698 ActiveAdmin admin = admins.get(i); 3699 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3700 continue; 3701 } 3702 if (length < admin.minimumPasswordNonLetter) { 3703 length = admin.minimumPasswordNonLetter; 3704 } 3705 } 3706 return length; 3707 } 3708 } 3709 3710 @Override 3711 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3712 if (!mHasFeature) { 3713 return true; 3714 } 3715 enforceFullCrossUsersPermission(userHandle); 3716 3717 synchronized (this) { 3718 // This API can only be called by an active device admin, 3719 // so try to retrieve it to check that the caller is one. 3720 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3721 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3722 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3723 } 3724 } 3725 3726 @Override 3727 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3728 if (!mHasFeature) { 3729 return true; 3730 } 3731 enforceFullCrossUsersPermission(userHandle); 3732 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3733 3734 synchronized (this) { 3735 int targetUser = getProfileParentId(userHandle); 3736 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3737 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3738 } 3739 } 3740 3741 private boolean isActivePasswordSufficientForUserLocked( 3742 DevicePolicyData policy, int userHandle, boolean parent) { 3743 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 3744 if (policy.mActivePasswordQuality < requiredPasswordQuality) { 3745 return false; 3746 } 3747 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 3748 && policy.mActivePasswordLength < getPasswordMinimumLength( 3749 null, userHandle, parent)) { 3750 return false; 3751 } 3752 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3753 return true; 3754 } 3755 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase( 3756 null, userHandle, parent) 3757 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase( 3758 null, userHandle, parent) 3759 && policy.mActivePasswordLetters >= getPasswordMinimumLetters( 3760 null, userHandle, parent) 3761 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric( 3762 null, userHandle, parent) 3763 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols( 3764 null, userHandle, parent) 3765 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter( 3766 null, userHandle, parent); 3767 } 3768 3769 @Override 3770 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3771 enforceFullCrossUsersPermission(userHandle); 3772 synchronized (this) { 3773 if (!isCallerWithSystemUid()) { 3774 // This API can only be called by an active device admin, 3775 // so try to retrieve it to check that the caller is one. 3776 getActiveAdminForCallerLocked( 3777 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3778 } 3779 3780 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3781 3782 return policy.mFailedPasswordAttempts; 3783 } 3784 } 3785 3786 @Override 3787 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3788 if (!mHasFeature) { 3789 return; 3790 } 3791 Preconditions.checkNotNull(who, "ComponentName is null"); 3792 synchronized (this) { 3793 // This API can only be called by an active device admin, 3794 // so try to retrieve it to check that the caller is one. 3795 getActiveAdminForCallerLocked( 3796 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3797 ActiveAdmin ap = getActiveAdminForCallerLocked( 3798 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3799 if (ap.maximumFailedPasswordsForWipe != num) { 3800 ap.maximumFailedPasswordsForWipe = num; 3801 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3802 } 3803 } 3804 } 3805 3806 @Override 3807 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3808 if (!mHasFeature) { 3809 return 0; 3810 } 3811 enforceFullCrossUsersPermission(userHandle); 3812 synchronized (this) { 3813 ActiveAdmin admin = (who != null) 3814 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3815 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3816 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3817 } 3818 } 3819 3820 @Override 3821 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3822 if (!mHasFeature) { 3823 return UserHandle.USER_NULL; 3824 } 3825 enforceFullCrossUsersPermission(userHandle); 3826 synchronized (this) { 3827 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3828 userHandle, parent); 3829 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3830 } 3831 } 3832 3833 /** 3834 * Returns the admin with the strictest policy on maximum failed passwords for: 3835 * <ul> 3836 * <li>this user if it has a separate profile challenge, or 3837 * <li>this user and all profiles that don't have their own challenge otherwise. 3838 * </ul> 3839 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3840 * the primary profile. 3841 * Returns {@code null} if no participating admin has that policy set. 3842 */ 3843 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3844 int userHandle, boolean parent) { 3845 int count = 0; 3846 ActiveAdmin strictestAdmin = null; 3847 3848 // Return the strictest policy across all participating admins. 3849 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3850 final int N = admins.size(); 3851 for (int i = 0; i < N; i++) { 3852 ActiveAdmin admin = admins.get(i); 3853 if (admin.maximumFailedPasswordsForWipe == 3854 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3855 continue; // No max number of failed passwords policy set for this profile. 3856 } 3857 3858 // We always favor the primary profile if several profiles have the same value set. 3859 int userId = admin.getUserHandle().getIdentifier(); 3860 if (count == 0 || 3861 count > admin.maximumFailedPasswordsForWipe || 3862 (count == admin.maximumFailedPasswordsForWipe && 3863 getUserInfo(userId).isPrimary())) { 3864 count = admin.maximumFailedPasswordsForWipe; 3865 strictestAdmin = admin; 3866 } 3867 } 3868 return strictestAdmin; 3869 } 3870 3871 private UserInfo getUserInfo(@UserIdInt int userId) { 3872 final long token = mInjector.binderClearCallingIdentity(); 3873 try { 3874 return mUserManager.getUserInfo(userId); 3875 } finally { 3876 mInjector.binderRestoreCallingIdentity(token); 3877 } 3878 } 3879 3880 @Override 3881 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3882 if (!mHasFeature) { 3883 return false; 3884 } 3885 final int callingUid = mInjector.binderGetCallingUid(); 3886 final int userHandle = mInjector.userHandleGetCallingUserId(); 3887 3888 String password = passwordOrNull != null ? passwordOrNull : ""; 3889 3890 // Password resetting to empty/null is not allowed for managed profiles. 3891 if (TextUtils.isEmpty(password)) { 3892 enforceNotManagedProfile(userHandle, "clear the active password"); 3893 } 3894 3895 int quality; 3896 synchronized (this) { 3897 // If caller has PO (or DO) it can change the password, so see if that's the case first. 3898 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 3899 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 3900 final boolean preN; 3901 if (admin != null) { 3902 preN = getTargetSdk(admin.info.getPackageName(), 3903 userHandle) <= android.os.Build.VERSION_CODES.M; 3904 } else { 3905 // Otherwise, make sure the caller has any active admin with the right policy. 3906 admin = getActiveAdminForCallerLocked(null, 3907 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 3908 preN = getTargetSdk(admin.info.getPackageName(), 3909 userHandle) <= android.os.Build.VERSION_CODES.M; 3910 3911 // As of N, password resetting to empty/null is not allowed anymore. 3912 // TODO Should we allow DO/PO to set an empty password? 3913 if (TextUtils.isEmpty(password)) { 3914 if (!preN) { 3915 throw new SecurityException("Cannot call with null password"); 3916 } else { 3917 Slog.e(LOG_TAG, "Cannot call with null password"); 3918 return false; 3919 } 3920 } 3921 // As of N, password cannot be changed by the admin if it is already set. 3922 if (isLockScreenSecureUnchecked(userHandle)) { 3923 if (!preN) { 3924 throw new SecurityException("Admin cannot change current password"); 3925 } else { 3926 Slog.e(LOG_TAG, "Admin cannot change current password"); 3927 return false; 3928 } 3929 } 3930 } 3931 // Do not allow to reset password when current user has a managed profile 3932 if (!isManagedProfile(userHandle)) { 3933 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3934 if (userInfo.isManagedProfile()) { 3935 if (!preN) { 3936 throw new IllegalStateException( 3937 "Cannot reset password on user has managed profile"); 3938 } else { 3939 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 3940 return false; 3941 } 3942 } 3943 } 3944 } 3945 // Do not allow to reset password when user is locked 3946 if (!mUserManager.isUserUnlocked(userHandle)) { 3947 if (!preN) { 3948 throw new IllegalStateException("Cannot reset password when user is locked"); 3949 } else { 3950 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 3951 return false; 3952 } 3953 } 3954 3955 quality = getPasswordQuality(null, userHandle, /* parent */ false); 3956 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 3957 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3958 } 3959 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 3960 int realQuality = LockPatternUtils.computePasswordQuality(password); 3961 if (realQuality < quality 3962 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3963 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 3964 + Integer.toHexString(realQuality) 3965 + " does not meet required quality 0x" 3966 + Integer.toHexString(quality)); 3967 return false; 3968 } 3969 quality = Math.max(realQuality, quality); 3970 } 3971 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 3972 if (password.length() < length) { 3973 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 3974 + " does not meet required length " + length); 3975 return false; 3976 } 3977 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3978 int letters = 0; 3979 int uppercase = 0; 3980 int lowercase = 0; 3981 int numbers = 0; 3982 int symbols = 0; 3983 int nonletter = 0; 3984 for (int i = 0; i < password.length(); i++) { 3985 char c = password.charAt(i); 3986 if (c >= 'A' && c <= 'Z') { 3987 letters++; 3988 uppercase++; 3989 } else if (c >= 'a' && c <= 'z') { 3990 letters++; 3991 lowercase++; 3992 } else if (c >= '0' && c <= '9') { 3993 numbers++; 3994 nonletter++; 3995 } else { 3996 symbols++; 3997 nonletter++; 3998 } 3999 } 4000 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4001 if(letters < neededLetters) { 4002 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 4003 + " does not meet required number of letters " + neededLetters); 4004 return false; 4005 } 4006 int neededNumbers = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4007 if (numbers < neededNumbers) { 4008 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 4009 + " does not meet required number of numerical digits " 4010 + neededNumbers); 4011 return false; 4012 } 4013 int neededLowerCase = getPasswordMinimumLowerCase( 4014 null, userHandle, /* parent */ false); 4015 if (lowercase < neededLowerCase) { 4016 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 4017 + " does not meet required number of lowercase letters " 4018 + neededLowerCase); 4019 return false; 4020 } 4021 int neededUpperCase = getPasswordMinimumUpperCase( 4022 null, userHandle, /* parent */ false); 4023 if (uppercase < neededUpperCase) { 4024 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 4025 + " does not meet required number of uppercase letters " 4026 + neededUpperCase); 4027 return false; 4028 } 4029 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4030 if (symbols < neededSymbols) { 4031 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 4032 + " does not meet required number of special symbols " + neededSymbols); 4033 return false; 4034 } 4035 int neededNonLetter = getPasswordMinimumNonLetter( 4036 null, userHandle, /* parent */ false); 4037 if (nonletter < neededNonLetter) { 4038 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 4039 + " does not meet required number of non-letter characters " 4040 + neededNonLetter); 4041 return false; 4042 } 4043 } 4044 } 4045 4046 DevicePolicyData policy = getUserData(userHandle); 4047 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4048 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4049 return false; 4050 } 4051 4052 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4053 boolean doNotAskCredentialsOnBoot = 4054 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4055 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4056 setDoNotAskCredentialsOnBoot(); 4057 } 4058 4059 // Don't do this with the lock held, because it is going to call 4060 // back in to the service. 4061 final long ident = mInjector.binderClearCallingIdentity(); 4062 try { 4063 if (!TextUtils.isEmpty(password)) { 4064 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4065 } else { 4066 mLockPatternUtils.clearLock(userHandle); 4067 } 4068 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4069 if (requireEntry) { 4070 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4071 UserHandle.USER_ALL); 4072 } 4073 synchronized (this) { 4074 int newOwner = requireEntry ? callingUid : -1; 4075 if (policy.mPasswordOwner != newOwner) { 4076 policy.mPasswordOwner = newOwner; 4077 saveSettingsLocked(userHandle); 4078 } 4079 } 4080 } finally { 4081 mInjector.binderRestoreCallingIdentity(ident); 4082 } 4083 4084 return true; 4085 } 4086 4087 private boolean isLockScreenSecureUnchecked(int userId) { 4088 long ident = mInjector.binderClearCallingIdentity(); 4089 try { 4090 return mLockPatternUtils.isSecure(userId); 4091 } finally { 4092 mInjector.binderRestoreCallingIdentity(ident); 4093 } 4094 } 4095 4096 private void setDoNotAskCredentialsOnBoot() { 4097 synchronized (this) { 4098 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4099 if (!policyData.doNotAskCredentialsOnBoot) { 4100 policyData.doNotAskCredentialsOnBoot = true; 4101 saveSettingsLocked(UserHandle.USER_SYSTEM); 4102 } 4103 } 4104 } 4105 4106 @Override 4107 public boolean getDoNotAskCredentialsOnBoot() { 4108 mContext.enforceCallingOrSelfPermission( 4109 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4110 synchronized (this) { 4111 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4112 return policyData.doNotAskCredentialsOnBoot; 4113 } 4114 } 4115 4116 @Override 4117 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4118 if (!mHasFeature) { 4119 return; 4120 } 4121 Preconditions.checkNotNull(who, "ComponentName is null"); 4122 final int userHandle = mInjector.userHandleGetCallingUserId(); 4123 synchronized (this) { 4124 ActiveAdmin ap = getActiveAdminForCallerLocked( 4125 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4126 if (ap.maximumTimeToUnlock != timeMs) { 4127 ap.maximumTimeToUnlock = timeMs; 4128 saveSettingsLocked(userHandle); 4129 updateMaximumTimeToLockLocked(userHandle); 4130 } 4131 } 4132 } 4133 4134 void updateMaximumTimeToLockLocked(int userHandle) { 4135 // Calculate the min timeout for all profiles - including the ones with a separate 4136 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4137 // challenge only and keep the screen on. However there is no easy way of doing that at the 4138 // moment so we set the screen off timeout regardless of whether it affects the parent user 4139 // or the profile challenge only. 4140 long timeMs = Long.MAX_VALUE; 4141 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4142 for (int profileId : profileIds) { 4143 DevicePolicyData policy = getUserDataUnchecked(profileId); 4144 final int N = policy.mAdminList.size(); 4145 for (int i = 0; i < N; i++) { 4146 ActiveAdmin admin = policy.mAdminList.get(i); 4147 if (admin.maximumTimeToUnlock > 0 4148 && timeMs > admin.maximumTimeToUnlock) { 4149 timeMs = admin.maximumTimeToUnlock; 4150 } 4151 // If userInfo.id is a managed profile, we also need to look at 4152 // the policies set on the parent. 4153 if (admin.hasParentActiveAdmin()) { 4154 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4155 if (parentAdmin.maximumTimeToUnlock > 0 4156 && timeMs > parentAdmin.maximumTimeToUnlock) { 4157 timeMs = parentAdmin.maximumTimeToUnlock; 4158 } 4159 } 4160 } 4161 } 4162 4163 // We only store the last maximum time to lock on the parent profile. So if calling from a 4164 // managed profile, retrieve the policy for the parent. 4165 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4166 if (policy.mLastMaximumTimeToLock == timeMs) { 4167 return; 4168 } 4169 policy.mLastMaximumTimeToLock = timeMs; 4170 4171 final long ident = mInjector.binderClearCallingIdentity(); 4172 try { 4173 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4174 // Make sure KEEP_SCREEN_ON is disabled, since that 4175 // would allow bypassing of the maximum time to lock. 4176 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4177 } 4178 4179 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4180 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4181 } finally { 4182 mInjector.binderRestoreCallingIdentity(ident); 4183 } 4184 } 4185 4186 @Override 4187 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4188 if (!mHasFeature) { 4189 return 0; 4190 } 4191 enforceFullCrossUsersPermission(userHandle); 4192 synchronized (this) { 4193 if (who != null) { 4194 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4195 return admin != null ? admin.maximumTimeToUnlock : 0; 4196 } 4197 // Return the strictest policy across all participating admins. 4198 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4199 userHandle, parent); 4200 return getMaximumTimeToLockPolicyFromAdmins(admins); 4201 } 4202 } 4203 4204 @Override 4205 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4206 if (!mHasFeature) { 4207 return 0; 4208 } 4209 enforceFullCrossUsersPermission(userHandle); 4210 synchronized (this) { 4211 // All admins for this user. 4212 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4213 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4214 DevicePolicyData policy = getUserData(userInfo.id); 4215 admins.addAll(policy.mAdminList); 4216 // If it is a managed profile, it may have parent active admins 4217 if (userInfo.isManagedProfile()) { 4218 for (ActiveAdmin admin : policy.mAdminList) { 4219 if (admin.hasParentActiveAdmin()) { 4220 admins.add(admin.getParentActiveAdmin()); 4221 } 4222 } 4223 } 4224 } 4225 return getMaximumTimeToLockPolicyFromAdmins(admins); 4226 } 4227 } 4228 4229 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4230 long time = 0; 4231 final int N = admins.size(); 4232 for (int i = 0; i < N; i++) { 4233 ActiveAdmin admin = admins.get(i); 4234 if (time == 0) { 4235 time = admin.maximumTimeToUnlock; 4236 } else if (admin.maximumTimeToUnlock != 0 4237 && time > admin.maximumTimeToUnlock) { 4238 time = admin.maximumTimeToUnlock; 4239 } 4240 } 4241 return time; 4242 } 4243 4244 @Override 4245 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4246 boolean parent) { 4247 if (!mHasFeature) { 4248 return; 4249 } 4250 Preconditions.checkNotNull(who, "ComponentName is null"); 4251 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4252 // timeoutMs with value 0 means that the admin doesn't participate 4253 // timeoutMs is clamped to the interval in case the internal constants change in the future 4254 if (timeoutMs != 0 && timeoutMs < MINIMUM_STRONG_AUTH_TIMEOUT_MS) { 4255 timeoutMs = MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4256 } 4257 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4258 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4259 } 4260 4261 final int userHandle = mInjector.userHandleGetCallingUserId(); 4262 synchronized (this) { 4263 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4264 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4265 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4266 ap.strongAuthUnlockTimeout = timeoutMs; 4267 saveSettingsLocked(userHandle); 4268 } 4269 } 4270 } 4271 4272 /** 4273 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4274 * admins if who is null. 4275 * Returns 0 if not configured for the provided admin. 4276 */ 4277 @Override 4278 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4279 if (!mHasFeature) { 4280 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4281 } 4282 enforceFullCrossUsersPermission(userId); 4283 synchronized (this) { 4284 if (who != null) { 4285 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4286 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4287 } 4288 4289 // Return the strictest policy across all participating admins. 4290 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4291 4292 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4293 for (int i = 0; i < admins.size(); i++) { 4294 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4295 if (timeout != 0) { // take only participating admins into account 4296 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4297 } 4298 } 4299 return Math.max(strongAuthUnlockTimeout, MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4300 } 4301 } 4302 4303 @Override 4304 public void lockNow(boolean parent) { 4305 if (!mHasFeature) { 4306 return; 4307 } 4308 synchronized (this) { 4309 // This API can only be called by an active device admin, 4310 // so try to retrieve it to check that the caller is one. 4311 getActiveAdminForCallerLocked( 4312 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4313 4314 int userToLock = mInjector.userHandleGetCallingUserId(); 4315 4316 // Unless this is a managed profile with work challenge enabled, lock all users. 4317 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 4318 userToLock = UserHandle.USER_ALL; 4319 } 4320 final long ident = mInjector.binderClearCallingIdentity(); 4321 try { 4322 mLockPatternUtils.requireStrongAuth( 4323 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4324 if (userToLock == UserHandle.USER_ALL) { 4325 // Power off the display 4326 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4327 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4328 mInjector.getIWindowManager().lockNow(null); 4329 } else { 4330 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4331 } 4332 } catch (RemoteException e) { 4333 } finally { 4334 mInjector.binderRestoreCallingIdentity(ident); 4335 } 4336 } 4337 } 4338 4339 @Override 4340 public void enforceCanManageCaCerts(ComponentName who) { 4341 if (who == null) { 4342 if (!isCallerDelegatedCertInstaller()) { 4343 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4344 } 4345 } else { 4346 synchronized (this) { 4347 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4348 } 4349 } 4350 } 4351 4352 private void enforceCanManageInstalledKeys(ComponentName who) { 4353 if (who == null) { 4354 if (!isCallerDelegatedCertInstaller()) { 4355 throw new SecurityException("who == null, but caller is not cert installer"); 4356 } 4357 } else { 4358 synchronized (this) { 4359 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4360 } 4361 } 4362 } 4363 4364 private boolean isCallerDelegatedCertInstaller() { 4365 final int callingUid = mInjector.binderGetCallingUid(); 4366 final int userHandle = UserHandle.getUserId(callingUid); 4367 synchronized (this) { 4368 final DevicePolicyData policy = getUserData(userHandle); 4369 if (policy.mDelegatedCertInstallerPackage == null) { 4370 return false; 4371 } 4372 4373 try { 4374 int uid = mContext.getPackageManager().getPackageUidAsUser( 4375 policy.mDelegatedCertInstallerPackage, userHandle); 4376 return uid == callingUid; 4377 } catch (NameNotFoundException e) { 4378 return false; 4379 } 4380 } 4381 } 4382 4383 @Override 4384 public boolean approveCaCert(String alias, int userId, boolean approval) { 4385 enforceManageUsers(); 4386 synchronized (this) { 4387 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4388 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4389 if (!changed) { 4390 return false; 4391 } 4392 saveSettingsLocked(userId); 4393 } 4394 new MonitoringCertNotificationTask().execute(userId); 4395 return true; 4396 } 4397 4398 @Override 4399 public boolean isCaCertApproved(String alias, int userId) { 4400 enforceManageUsers(); 4401 synchronized (this) { 4402 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4403 } 4404 } 4405 4406 private void removeCaApprovalsIfNeeded(int userId) { 4407 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4408 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4409 if (userInfo.isManagedProfile()){ 4410 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4411 } 4412 if (!isSecure) { 4413 synchronized (this) { 4414 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4415 saveSettingsLocked(userInfo.id); 4416 } 4417 4418 new MonitoringCertNotificationTask().execute(userInfo.id); 4419 } 4420 } 4421 } 4422 4423 @Override 4424 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4425 enforceCanManageCaCerts(admin); 4426 4427 byte[] pemCert; 4428 try { 4429 X509Certificate cert = parseCert(certBuffer); 4430 pemCert = Credentials.convertToPem(cert); 4431 } catch (CertificateException ce) { 4432 Log.e(LOG_TAG, "Problem converting cert", ce); 4433 return false; 4434 } catch (IOException ioe) { 4435 Log.e(LOG_TAG, "Problem reading cert", ioe); 4436 return false; 4437 } 4438 4439 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4440 final long id = mInjector.binderClearCallingIdentity(); 4441 try { 4442 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4443 try { 4444 keyChainConnection.getService().installCaCertificate(pemCert); 4445 return true; 4446 } catch (RemoteException e) { 4447 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4448 } finally { 4449 keyChainConnection.close(); 4450 } 4451 } catch (InterruptedException e1) { 4452 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4453 Thread.currentThread().interrupt(); 4454 } finally { 4455 mInjector.binderRestoreCallingIdentity(id); 4456 } 4457 return false; 4458 } 4459 4460 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4461 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4462 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4463 certBuffer)); 4464 } 4465 4466 @Override 4467 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4468 enforceCanManageCaCerts(admin); 4469 4470 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4471 final long id = mInjector.binderClearCallingIdentity(); 4472 try { 4473 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4474 try { 4475 for (int i = 0 ; i < aliases.length; i++) { 4476 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4477 } 4478 } catch (RemoteException e) { 4479 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4480 } finally { 4481 keyChainConnection.close(); 4482 } 4483 } catch (InterruptedException ie) { 4484 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4485 Thread.currentThread().interrupt(); 4486 } finally { 4487 mInjector.binderRestoreCallingIdentity(id); 4488 } 4489 } 4490 4491 @Override 4492 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, 4493 String alias, boolean requestAccess) { 4494 enforceCanManageInstalledKeys(who); 4495 4496 final int callingUid = mInjector.binderGetCallingUid(); 4497 final long id = mInjector.binderClearCallingIdentity(); 4498 try { 4499 final KeyChainConnection keyChainConnection = 4500 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4501 try { 4502 IKeyChainService keyChain = keyChainConnection.getService(); 4503 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4504 return false; 4505 } 4506 if (requestAccess) { 4507 keyChain.setGrant(callingUid, alias, true); 4508 } 4509 return true; 4510 } catch (RemoteException e) { 4511 Log.e(LOG_TAG, "Installing certificate", e); 4512 } finally { 4513 keyChainConnection.close(); 4514 } 4515 } catch (InterruptedException e) { 4516 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4517 Thread.currentThread().interrupt(); 4518 } finally { 4519 mInjector.binderRestoreCallingIdentity(id); 4520 } 4521 return false; 4522 } 4523 4524 @Override 4525 public boolean removeKeyPair(ComponentName who, String alias) { 4526 enforceCanManageInstalledKeys(who); 4527 4528 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4529 final long id = Binder.clearCallingIdentity(); 4530 try { 4531 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4532 try { 4533 IKeyChainService keyChain = keyChainConnection.getService(); 4534 return keyChain.removeKeyPair(alias); 4535 } catch (RemoteException e) { 4536 Log.e(LOG_TAG, "Removing keypair", e); 4537 } finally { 4538 keyChainConnection.close(); 4539 } 4540 } catch (InterruptedException e) { 4541 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4542 Thread.currentThread().interrupt(); 4543 } finally { 4544 Binder.restoreCallingIdentity(id); 4545 } 4546 return false; 4547 } 4548 4549 @Override 4550 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4551 final IBinder response) { 4552 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4553 if (!isCallerWithSystemUid()) { 4554 return; 4555 } 4556 4557 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4558 // If there is a profile owner, redirect to that; otherwise query the device owner. 4559 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4560 if (aliasChooser == null && caller.isSystem()) { 4561 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4562 if (deviceOwnerAdmin != null) { 4563 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4564 } 4565 } 4566 if (aliasChooser == null) { 4567 sendPrivateKeyAliasResponse(null, response); 4568 return; 4569 } 4570 4571 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4572 intent.setComponent(aliasChooser); 4573 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4574 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4575 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4576 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4577 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4578 4579 final long id = mInjector.binderClearCallingIdentity(); 4580 try { 4581 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4582 @Override 4583 public void onReceive(Context context, Intent intent) { 4584 final String chosenAlias = getResultData(); 4585 sendPrivateKeyAliasResponse(chosenAlias, response); 4586 } 4587 }, null, Activity.RESULT_OK, null, null); 4588 } finally { 4589 mInjector.binderRestoreCallingIdentity(id); 4590 } 4591 } 4592 4593 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4594 final IKeyChainAliasCallback keyChainAliasResponse = 4595 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4596 new AsyncTask<Void, Void, Void>() { 4597 @Override 4598 protected Void doInBackground(Void... unused) { 4599 try { 4600 keyChainAliasResponse.alias(alias); 4601 } catch (Exception e) { 4602 // Catch everything (not just RemoteException): caller could throw a 4603 // RuntimeException back across processes. 4604 Log.e(LOG_TAG, "error while responding to callback", e); 4605 } 4606 return null; 4607 } 4608 }.execute(); 4609 } 4610 4611 @Override 4612 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4613 throws SecurityException { 4614 int userHandle = UserHandle.getCallingUserId(); 4615 synchronized (this) { 4616 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4617 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4618 if (installerPackage != null && 4619 !isPackageInstalledForUser(installerPackage, userHandle)) { 4620 throw new IllegalArgumentException("Package " + installerPackage 4621 + " is not installed on the current user"); 4622 } 4623 } 4624 DevicePolicyData policy = getUserData(userHandle); 4625 policy.mDelegatedCertInstallerPackage = installerPackage; 4626 saveSettingsLocked(userHandle); 4627 } 4628 } 4629 4630 @Override 4631 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4632 int userHandle = UserHandle.getCallingUserId(); 4633 synchronized (this) { 4634 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4635 DevicePolicyData policy = getUserData(userHandle); 4636 return policy.mDelegatedCertInstallerPackage; 4637 } 4638 } 4639 4640 /** 4641 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 4642 * not installed and therefore not available. 4643 * 4644 * @throws SecurityException if the caller is not a profile or device owner. 4645 * @throws UnsupportedOperationException if the package does not support being set as always-on. 4646 */ 4647 @Override 4648 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 4649 throws SecurityException { 4650 synchronized (this) { 4651 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4652 } 4653 4654 final int userId = mInjector.userHandleGetCallingUserId(); 4655 final long token = mInjector.binderClearCallingIdentity(); 4656 try { 4657 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 4658 return false; 4659 } 4660 ConnectivityManager connectivityManager = (ConnectivityManager) 4661 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4662 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 4663 throw new UnsupportedOperationException(); 4664 } 4665 } finally { 4666 mInjector.binderRestoreCallingIdentity(token); 4667 } 4668 return true; 4669 } 4670 4671 @Override 4672 public String getAlwaysOnVpnPackage(ComponentName admin) 4673 throws SecurityException { 4674 synchronized (this) { 4675 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4676 } 4677 4678 final int userId = mInjector.userHandleGetCallingUserId(); 4679 final long token = mInjector.binderClearCallingIdentity(); 4680 try{ 4681 ConnectivityManager connectivityManager = (ConnectivityManager) 4682 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4683 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4684 } finally { 4685 mInjector.binderRestoreCallingIdentity(token); 4686 } 4687 } 4688 4689 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 4690 if (wipeExtRequested) { 4691 StorageManager sm = (StorageManager) mContext.getSystemService( 4692 Context.STORAGE_SERVICE); 4693 sm.wipeAdoptableDisks(); 4694 } 4695 try { 4696 RecoverySystem.rebootWipeUserData(mContext, reason); 4697 } catch (IOException | SecurityException e) { 4698 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4699 } 4700 } 4701 4702 @Override 4703 public void wipeData(int flags) { 4704 if (!mHasFeature) { 4705 return; 4706 } 4707 final int userHandle = mInjector.userHandleGetCallingUserId(); 4708 enforceFullCrossUsersPermission(userHandle); 4709 synchronized (this) { 4710 // This API can only be called by an active device admin, 4711 // so try to retrieve it to check that the caller is one. 4712 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4713 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4714 4715 final String source = admin.info.getComponent().flattenToShortString(); 4716 4717 long ident = mInjector.binderClearCallingIdentity(); 4718 try { 4719 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4720 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4721 throw new SecurityException( 4722 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4723 } 4724 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4725 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4726 if (manager != null) { 4727 manager.wipe(); 4728 } 4729 } 4730 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4731 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4732 "DevicePolicyManager.wipeData() from " + source); 4733 } finally { 4734 mInjector.binderRestoreCallingIdentity(ident); 4735 } 4736 } 4737 } 4738 4739 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 4740 if (userHandle == UserHandle.USER_SYSTEM) { 4741 wipeDataLocked(wipeExtRequested, reason); 4742 } else { 4743 mHandler.post(new Runnable() { 4744 @Override 4745 public void run() { 4746 try { 4747 IActivityManager am = mInjector.getIActivityManager(); 4748 if (am.getCurrentUser().id == userHandle) { 4749 am.switchUser(UserHandle.USER_SYSTEM); 4750 } 4751 4752 boolean isManagedProfile = isManagedProfile(userHandle); 4753 if (!mUserManager.removeUser(userHandle)) { 4754 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4755 } else if (isManagedProfile) { 4756 sendWipeProfileNotification(); 4757 } 4758 } catch (RemoteException re) { 4759 // Shouldn't happen 4760 } 4761 } 4762 }); 4763 } 4764 } 4765 4766 private void sendWipeProfileNotification() { 4767 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4768 Notification notification = new Notification.Builder(mContext) 4769 .setSmallIcon(android.R.drawable.stat_sys_warning) 4770 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4771 .setContentText(contentText) 4772 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4773 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4774 .build(); 4775 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4776 } 4777 4778 private void clearWipeProfileNotification() { 4779 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4780 } 4781 4782 @Override 4783 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4784 if (!mHasFeature) { 4785 return; 4786 } 4787 enforceFullCrossUsersPermission(userHandle); 4788 mContext.enforceCallingOrSelfPermission( 4789 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4790 4791 synchronized (this) { 4792 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4793 if (admin == null) { 4794 result.sendResult(null); 4795 return; 4796 } 4797 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4798 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4799 intent.setComponent(admin.info.getComponent()); 4800 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4801 null, new BroadcastReceiver() { 4802 @Override 4803 public void onReceive(Context context, Intent intent) { 4804 result.sendResult(getResultExtras(false)); 4805 } 4806 }, null, Activity.RESULT_OK, null, null); 4807 } 4808 } 4809 4810 @Override 4811 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 4812 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 4813 if (!mHasFeature) { 4814 return; 4815 } 4816 enforceFullCrossUsersPermission(userHandle); 4817 4818 // Managed Profile password can only be changed when it has a separate challenge. 4819 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4820 enforceNotManagedProfile(userHandle, "set the active password"); 4821 } 4822 4823 mContext.enforceCallingOrSelfPermission( 4824 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4825 validateQualityConstant(quality); 4826 4827 DevicePolicyData policy = getUserData(userHandle); 4828 4829 long ident = mInjector.binderClearCallingIdentity(); 4830 try { 4831 synchronized (this) { 4832 policy.mActivePasswordQuality = quality; 4833 policy.mActivePasswordLength = length; 4834 policy.mActivePasswordLetters = letters; 4835 policy.mActivePasswordLowerCase = lowercase; 4836 policy.mActivePasswordUpperCase = uppercase; 4837 policy.mActivePasswordNumeric = numbers; 4838 policy.mActivePasswordSymbols = symbols; 4839 policy.mActivePasswordNonLetter = nonletter; 4840 policy.mFailedPasswordAttempts = 0; 4841 saveSettingsLocked(userHandle); 4842 updatePasswordExpirationsLocked(userHandle); 4843 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 4844 4845 // Send a broadcast to each profile using this password as its primary unlock. 4846 sendAdminCommandForLockscreenPoliciesLocked( 4847 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4848 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4849 } 4850 removeCaApprovalsIfNeeded(userHandle); 4851 } finally { 4852 mInjector.binderRestoreCallingIdentity(ident); 4853 } 4854 } 4855 4856 /** 4857 * Called any time the device password is updated. Resets all password expiration clocks. 4858 */ 4859 private void updatePasswordExpirationsLocked(int userHandle) { 4860 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4861 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4862 userHandle, /* parent */ false); 4863 final int N = admins.size(); 4864 for (int i = 0; i < N; i++) { 4865 ActiveAdmin admin = admins.get(i); 4866 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4867 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4868 long timeout = admin.passwordExpirationTimeout; 4869 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4870 admin.passwordExpirationDate = expiration; 4871 } 4872 } 4873 for (int affectedUserId : affectedUserIds) { 4874 saveSettingsLocked(affectedUserId); 4875 } 4876 } 4877 4878 @Override 4879 public void reportFailedPasswordAttempt(int userHandle) { 4880 enforceFullCrossUsersPermission(userHandle); 4881 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4882 enforceNotManagedProfile(userHandle, 4883 "report failed password attempt if separate profile challenge is not in place"); 4884 } 4885 mContext.enforceCallingOrSelfPermission( 4886 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4887 4888 final long ident = mInjector.binderClearCallingIdentity(); 4889 try { 4890 boolean wipeData = false; 4891 int identifier = 0; 4892 synchronized (this) { 4893 DevicePolicyData policy = getUserData(userHandle); 4894 policy.mFailedPasswordAttempts++; 4895 saveSettingsLocked(userHandle); 4896 if (mHasFeature) { 4897 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4898 userHandle, /* parent */ false); 4899 int max = strictestAdmin != null 4900 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 4901 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 4902 // Wipe the user/profile associated with the policy that was violated. This 4903 // is not necessarily calling user: if the policy that fired was from a 4904 // managed profile rather than the main user profile, we wipe former only. 4905 wipeData = true; 4906 identifier = strictestAdmin.getUserHandle().getIdentifier(); 4907 } 4908 4909 sendAdminCommandForLockscreenPoliciesLocked( 4910 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 4911 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4912 } 4913 } 4914 if (wipeData) { 4915 // Call without holding lock. 4916 wipeDeviceOrUserLocked(false, identifier, 4917 "reportFailedPasswordAttempt()"); 4918 } 4919 } finally { 4920 mInjector.binderRestoreCallingIdentity(ident); 4921 } 4922 4923 if (mInjector.securityLogIsLoggingEnabled()) { 4924 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4925 /*method strength*/ 1); 4926 } 4927 } 4928 4929 @Override 4930 public void reportSuccessfulPasswordAttempt(int userHandle) { 4931 enforceFullCrossUsersPermission(userHandle); 4932 mContext.enforceCallingOrSelfPermission( 4933 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4934 4935 synchronized (this) { 4936 DevicePolicyData policy = getUserData(userHandle); 4937 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 4938 long ident = mInjector.binderClearCallingIdentity(); 4939 try { 4940 policy.mFailedPasswordAttempts = 0; 4941 policy.mPasswordOwner = -1; 4942 saveSettingsLocked(userHandle); 4943 if (mHasFeature) { 4944 sendAdminCommandForLockscreenPoliciesLocked( 4945 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 4946 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 4947 } 4948 } finally { 4949 mInjector.binderRestoreCallingIdentity(ident); 4950 } 4951 } 4952 } 4953 4954 if (mInjector.securityLogIsLoggingEnabled()) { 4955 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4956 /*method strength*/ 1); 4957 } 4958 } 4959 4960 @Override 4961 public void reportFailedFingerprintAttempt(int userHandle) { 4962 enforceFullCrossUsersPermission(userHandle); 4963 mContext.enforceCallingOrSelfPermission( 4964 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4965 if (mInjector.securityLogIsLoggingEnabled()) { 4966 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 4967 /*method strength*/ 0); 4968 } 4969 } 4970 4971 @Override 4972 public void reportSuccessfulFingerprintAttempt(int userHandle) { 4973 enforceFullCrossUsersPermission(userHandle); 4974 mContext.enforceCallingOrSelfPermission( 4975 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4976 if (mInjector.securityLogIsLoggingEnabled()) { 4977 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 4978 /*method strength*/ 0); 4979 } 4980 } 4981 4982 @Override 4983 public void reportKeyguardDismissed(int userHandle) { 4984 enforceFullCrossUsersPermission(userHandle); 4985 mContext.enforceCallingOrSelfPermission( 4986 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4987 4988 if (mInjector.securityLogIsLoggingEnabled()) { 4989 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 4990 } 4991 } 4992 4993 @Override 4994 public void reportKeyguardSecured(int userHandle) { 4995 enforceFullCrossUsersPermission(userHandle); 4996 mContext.enforceCallingOrSelfPermission( 4997 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4998 4999 if (mInjector.securityLogIsLoggingEnabled()) { 5000 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5001 } 5002 } 5003 5004 @Override 5005 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5006 String exclusionList) { 5007 if (!mHasFeature) { 5008 return null; 5009 } 5010 synchronized(this) { 5011 Preconditions.checkNotNull(who, "ComponentName is null"); 5012 5013 // Only check if system user has set global proxy. We don't allow other users to set it. 5014 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5015 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5016 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5017 5018 // Scan through active admins and find if anyone has already 5019 // set the global proxy. 5020 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5021 for (ComponentName component : compSet) { 5022 ActiveAdmin ap = policy.mAdminMap.get(component); 5023 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5024 // Another admin already sets the global proxy 5025 // Return it to the caller. 5026 return component; 5027 } 5028 } 5029 5030 // If the user is not system, don't set the global proxy. Fail silently. 5031 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5032 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5033 + UserHandle.getCallingUserId() + " is not permitted."); 5034 return null; 5035 } 5036 if (proxySpec == null) { 5037 admin.specifiesGlobalProxy = false; 5038 admin.globalProxySpec = null; 5039 admin.globalProxyExclusionList = null; 5040 } else { 5041 5042 admin.specifiesGlobalProxy = true; 5043 admin.globalProxySpec = proxySpec; 5044 admin.globalProxyExclusionList = exclusionList; 5045 } 5046 5047 // Reset the global proxy accordingly 5048 // Do this using system permissions, as apps cannot write to secure settings 5049 long origId = mInjector.binderClearCallingIdentity(); 5050 try { 5051 resetGlobalProxyLocked(policy); 5052 } finally { 5053 mInjector.binderRestoreCallingIdentity(origId); 5054 } 5055 return null; 5056 } 5057 } 5058 5059 @Override 5060 public ComponentName getGlobalProxyAdmin(int userHandle) { 5061 if (!mHasFeature) { 5062 return null; 5063 } 5064 enforceFullCrossUsersPermission(userHandle); 5065 synchronized(this) { 5066 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5067 // Scan through active admins and find if anyone has already 5068 // set the global proxy. 5069 final int N = policy.mAdminList.size(); 5070 for (int i = 0; i < N; i++) { 5071 ActiveAdmin ap = policy.mAdminList.get(i); 5072 if (ap.specifiesGlobalProxy) { 5073 // Device admin sets the global proxy 5074 // Return it to the caller. 5075 return ap.info.getComponent(); 5076 } 5077 } 5078 } 5079 // No device admin sets the global proxy. 5080 return null; 5081 } 5082 5083 @Override 5084 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5085 synchronized (this) { 5086 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5087 } 5088 long token = mInjector.binderClearCallingIdentity(); 5089 try { 5090 ConnectivityManager connectivityManager = (ConnectivityManager) 5091 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5092 connectivityManager.setGlobalProxy(proxyInfo); 5093 } finally { 5094 mInjector.binderRestoreCallingIdentity(token); 5095 } 5096 } 5097 5098 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5099 final int N = policy.mAdminList.size(); 5100 for (int i = 0; i < N; i++) { 5101 ActiveAdmin ap = policy.mAdminList.get(i); 5102 if (ap.specifiesGlobalProxy) { 5103 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5104 return; 5105 } 5106 } 5107 // No device admins defining global proxies - reset global proxy settings to none 5108 saveGlobalProxyLocked(null, null); 5109 } 5110 5111 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5112 if (exclusionList == null) { 5113 exclusionList = ""; 5114 } 5115 if (proxySpec == null) { 5116 proxySpec = ""; 5117 } 5118 // Remove white spaces 5119 proxySpec = proxySpec.trim(); 5120 String data[] = proxySpec.split(":"); 5121 int proxyPort = 8080; 5122 if (data.length > 1) { 5123 try { 5124 proxyPort = Integer.parseInt(data[1]); 5125 } catch (NumberFormatException e) {} 5126 } 5127 exclusionList = exclusionList.trim(); 5128 5129 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5130 if (!proxyProperties.isValid()) { 5131 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5132 return; 5133 } 5134 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5135 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5136 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5137 exclusionList); 5138 } 5139 5140 /** 5141 * Set the storage encryption request for a single admin. Returns the new total request 5142 * status (for all admins). 5143 */ 5144 @Override 5145 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5146 if (!mHasFeature) { 5147 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5148 } 5149 Preconditions.checkNotNull(who, "ComponentName is null"); 5150 final int userHandle = UserHandle.getCallingUserId(); 5151 synchronized (this) { 5152 // Check for permissions 5153 // Only system user can set storage encryption 5154 if (userHandle != UserHandle.USER_SYSTEM) { 5155 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5156 + UserHandle.getCallingUserId() + " is not permitted."); 5157 return 0; 5158 } 5159 5160 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5161 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5162 5163 // Quick exit: If the filesystem does not support encryption, we can exit early. 5164 if (!isEncryptionSupported()) { 5165 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5166 } 5167 5168 // (1) Record the value for the admin so it's sticky 5169 if (ap.encryptionRequested != encrypt) { 5170 ap.encryptionRequested = encrypt; 5171 saveSettingsLocked(userHandle); 5172 } 5173 5174 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5175 // (2) Compute "max" for all admins 5176 boolean newRequested = false; 5177 final int N = policy.mAdminList.size(); 5178 for (int i = 0; i < N; i++) { 5179 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5180 } 5181 5182 // Notify OS of new request 5183 setEncryptionRequested(newRequested); 5184 5185 // Return the new global request status 5186 return newRequested 5187 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5188 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5189 } 5190 } 5191 5192 /** 5193 * Get the current storage encryption request status for a given admin, or aggregate of all 5194 * active admins. 5195 */ 5196 @Override 5197 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5198 if (!mHasFeature) { 5199 return false; 5200 } 5201 enforceFullCrossUsersPermission(userHandle); 5202 synchronized (this) { 5203 // Check for permissions if a particular caller is specified 5204 if (who != null) { 5205 // When checking for a single caller, status is based on caller's request 5206 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5207 return ap != null ? ap.encryptionRequested : false; 5208 } 5209 5210 // If no particular caller is specified, return the aggregate set of requests. 5211 // This is short circuited by returning true on the first hit. 5212 DevicePolicyData policy = getUserData(userHandle); 5213 final int N = policy.mAdminList.size(); 5214 for (int i = 0; i < N; i++) { 5215 if (policy.mAdminList.get(i).encryptionRequested) { 5216 return true; 5217 } 5218 } 5219 return false; 5220 } 5221 } 5222 5223 /** 5224 * Get the current encryption status of the device. 5225 */ 5226 @Override 5227 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5228 if (!mHasFeature) { 5229 // Ok to return current status. 5230 } 5231 enforceFullCrossUsersPermission(userHandle); 5232 5233 // It's not critical here, but let's make sure the package name is correct, in case 5234 // we start using it for different purposes. 5235 ensureCallerPackage(callerPackage); 5236 5237 final ApplicationInfo ai; 5238 try { 5239 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5240 } catch (RemoteException e) { 5241 throw new SecurityException(e); 5242 } 5243 5244 boolean legacyApp = false; 5245 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5246 legacyApp = true; 5247 } 5248 5249 final int rawStatus = getEncryptionStatus(); 5250 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5251 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5252 } 5253 return rawStatus; 5254 } 5255 5256 /** 5257 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5258 */ 5259 private boolean isEncryptionSupported() { 5260 // Note, this can be implemented as 5261 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5262 // But is provided as a separate internal method if there's a faster way to do a 5263 // simple check for supported-or-not. 5264 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5265 } 5266 5267 /** 5268 * Hook to low-levels: Reporting the current status of encryption. 5269 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5270 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5271 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5272 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5273 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5274 */ 5275 private int getEncryptionStatus() { 5276 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5277 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5278 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5279 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5280 } else if (mInjector.storageManagerIsEncrypted()) { 5281 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5282 } else if (mInjector.storageManagerIsEncryptable()) { 5283 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5284 } else { 5285 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5286 } 5287 } 5288 5289 /** 5290 * Hook to low-levels: If needed, record the new admin setting for encryption. 5291 */ 5292 private void setEncryptionRequested(boolean encrypt) { 5293 } 5294 5295 /** 5296 * Set whether the screen capture is disabled for the user managed by the specified admin. 5297 */ 5298 @Override 5299 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5300 if (!mHasFeature) { 5301 return; 5302 } 5303 Preconditions.checkNotNull(who, "ComponentName is null"); 5304 final int userHandle = UserHandle.getCallingUserId(); 5305 synchronized (this) { 5306 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5307 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5308 if (ap.disableScreenCapture != disabled) { 5309 ap.disableScreenCapture = disabled; 5310 saveSettingsLocked(userHandle); 5311 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5312 } 5313 } 5314 } 5315 5316 /** 5317 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5318 * active admin (if given admin is null). 5319 */ 5320 @Override 5321 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5322 if (!mHasFeature) { 5323 return false; 5324 } 5325 synchronized (this) { 5326 if (who != null) { 5327 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5328 return (admin != null) ? admin.disableScreenCapture : false; 5329 } 5330 5331 DevicePolicyData policy = getUserData(userHandle); 5332 final int N = policy.mAdminList.size(); 5333 for (int i = 0; i < N; i++) { 5334 ActiveAdmin admin = policy.mAdminList.get(i); 5335 if (admin.disableScreenCapture) { 5336 return true; 5337 } 5338 } 5339 return false; 5340 } 5341 } 5342 5343 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5344 final boolean disabled) { 5345 mHandler.post(new Runnable() { 5346 @Override 5347 public void run() { 5348 try { 5349 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5350 } catch (RemoteException e) { 5351 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5352 } 5353 } 5354 }); 5355 } 5356 5357 /** 5358 * Set whether auto time is required by the specified admin (must be device owner). 5359 */ 5360 @Override 5361 public void setAutoTimeRequired(ComponentName who, boolean required) { 5362 if (!mHasFeature) { 5363 return; 5364 } 5365 Preconditions.checkNotNull(who, "ComponentName is null"); 5366 final int userHandle = UserHandle.getCallingUserId(); 5367 synchronized (this) { 5368 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5369 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5370 if (admin.requireAutoTime != required) { 5371 admin.requireAutoTime = required; 5372 saveSettingsLocked(userHandle); 5373 } 5374 } 5375 5376 // Turn AUTO_TIME on in settings if it is required 5377 if (required) { 5378 long ident = mInjector.binderClearCallingIdentity(); 5379 try { 5380 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5381 } finally { 5382 mInjector.binderRestoreCallingIdentity(ident); 5383 } 5384 } 5385 } 5386 5387 /** 5388 * Returns whether or not auto time is required by the device owner. 5389 */ 5390 @Override 5391 public boolean getAutoTimeRequired() { 5392 if (!mHasFeature) { 5393 return false; 5394 } 5395 synchronized (this) { 5396 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5397 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5398 } 5399 } 5400 5401 @Override 5402 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5403 if (!mHasFeature) { 5404 return; 5405 } 5406 Preconditions.checkNotNull(who, "ComponentName is null"); 5407 // Allow setting this policy to true only if there is a split system user. 5408 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5409 throw new UnsupportedOperationException( 5410 "Cannot force ephemeral users on systems without split system user."); 5411 } 5412 boolean removeAllUsers = false; 5413 synchronized (this) { 5414 final ActiveAdmin deviceOwner = 5415 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5416 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5417 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5418 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5419 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5420 removeAllUsers = forceEphemeralUsers; 5421 } 5422 } 5423 if (removeAllUsers) { 5424 long identitity = mInjector.binderClearCallingIdentity(); 5425 try { 5426 mUserManagerInternal.removeAllUsers(); 5427 } finally { 5428 mInjector.binderRestoreCallingIdentity(identitity); 5429 } 5430 } 5431 } 5432 5433 @Override 5434 public boolean getForceEphemeralUsers(ComponentName who) { 5435 if (!mHasFeature) { 5436 return false; 5437 } 5438 Preconditions.checkNotNull(who, "ComponentName is null"); 5439 synchronized (this) { 5440 final ActiveAdmin deviceOwner = 5441 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5442 return deviceOwner.forceEphemeralUsers; 5443 } 5444 } 5445 5446 private boolean isDeviceOwnerManagedSingleUserDevice() { 5447 synchronized (this) { 5448 if (!mOwners.hasDeviceOwner()) { 5449 return false; 5450 } 5451 } 5452 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5453 try { 5454 if (mInjector.userManagerIsSplitSystemUser()) { 5455 // In split system user mode, only allow the case where the device owner is managing 5456 // the only non-system user of the device 5457 return (mUserManager.getUserCount() == 2 5458 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5459 } else { 5460 return mUserManager.getUserCount() == 1; 5461 } 5462 } finally { 5463 mInjector.binderRestoreCallingIdentity(callingIdentity); 5464 } 5465 } 5466 5467 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5468 synchronized (this) { 5469 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5470 } 5471 if (!isDeviceOwnerManagedSingleUserDevice()) { 5472 throw new SecurityException( 5473 "There should only be one user, managed by Device Owner"); 5474 } 5475 } 5476 5477 @Override 5478 public boolean requestBugreport(ComponentName who) { 5479 if (!mHasFeature) { 5480 return false; 5481 } 5482 Preconditions.checkNotNull(who, "ComponentName is null"); 5483 ensureDeviceOwnerManagingSingleUser(who); 5484 5485 if (mRemoteBugreportServiceIsActive.get() 5486 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5487 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5488 return false; 5489 } 5490 5491 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5492 try { 5493 ActivityManagerNative.getDefault().requestBugReport( 5494 ActivityManager.BUGREPORT_OPTION_REMOTE); 5495 5496 mRemoteBugreportServiceIsActive.set(true); 5497 mRemoteBugreportSharingAccepted.set(false); 5498 registerRemoteBugreportReceivers(); 5499 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5500 RemoteBugreportUtils.buildNotification(mContext, 5501 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5502 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5503 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5504 return true; 5505 } catch (RemoteException re) { 5506 // should never happen 5507 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5508 return false; 5509 } finally { 5510 mInjector.binderRestoreCallingIdentity(callingIdentity); 5511 } 5512 } 5513 5514 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5515 Intent intent = new Intent(action); 5516 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5517 if (extras != null) { 5518 intent.putExtras(extras); 5519 } 5520 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5521 } 5522 5523 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5524 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5525 } 5526 5527 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5528 String bugreportHash) { 5529 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5530 } 5531 5532 private void registerRemoteBugreportReceivers() { 5533 try { 5534 IntentFilter filterFinished = new IntentFilter( 5535 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5536 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5537 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5538 } catch (IntentFilter.MalformedMimeTypeException e) { 5539 // should never happen, as setting a constant 5540 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5541 } 5542 IntentFilter filterConsent = new IntentFilter(); 5543 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5544 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5545 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5546 } 5547 5548 private void onBugreportFinished(Intent intent) { 5549 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5550 mRemoteBugreportServiceIsActive.set(false); 5551 Uri bugreportUri = intent.getData(); 5552 String bugreportUriString = null; 5553 if (bugreportUri != null) { 5554 bugreportUriString = bugreportUri.toString(); 5555 } 5556 String bugreportHash = intent.getStringExtra( 5557 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5558 if (mRemoteBugreportSharingAccepted.get()) { 5559 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5560 mInjector.getNotificationManager().cancel(LOG_TAG, 5561 RemoteBugreportUtils.NOTIFICATION_ID); 5562 } else { 5563 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5564 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5565 RemoteBugreportUtils.buildNotification(mContext, 5566 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5567 UserHandle.ALL); 5568 } 5569 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5570 } 5571 5572 private void onBugreportFailed() { 5573 mRemoteBugreportServiceIsActive.set(false); 5574 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5575 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5576 mRemoteBugreportSharingAccepted.set(false); 5577 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5578 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5579 Bundle extras = new Bundle(); 5580 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5581 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5582 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5583 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5584 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5585 } 5586 5587 private void onBugreportSharingAccepted() { 5588 mRemoteBugreportSharingAccepted.set(true); 5589 String bugreportUriString = null; 5590 String bugreportHash = null; 5591 synchronized (this) { 5592 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5593 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5594 } 5595 if (bugreportUriString != null) { 5596 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5597 } else if (mRemoteBugreportServiceIsActive.get()) { 5598 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5599 RemoteBugreportUtils.buildNotification(mContext, 5600 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5601 UserHandle.ALL); 5602 } 5603 } 5604 5605 private void onBugreportSharingDeclined() { 5606 if (mRemoteBugreportServiceIsActive.get()) { 5607 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5608 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5609 mRemoteBugreportServiceIsActive.set(false); 5610 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5611 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5612 } 5613 mRemoteBugreportSharingAccepted.set(false); 5614 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5615 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5616 } 5617 5618 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5619 String bugreportHash) { 5620 ParcelFileDescriptor pfd = null; 5621 try { 5622 if (bugreportUriString == null) { 5623 throw new FileNotFoundException(); 5624 } 5625 Uri bugreportUri = Uri.parse(bugreportUriString); 5626 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5627 5628 synchronized (this) { 5629 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5630 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5631 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5632 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5633 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5634 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5635 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5636 } 5637 } catch (FileNotFoundException e) { 5638 Bundle extras = new Bundle(); 5639 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5640 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5641 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5642 } finally { 5643 try { 5644 if (pfd != null) { 5645 pfd.close(); 5646 } 5647 } catch (IOException ex) { 5648 // Ignore 5649 } 5650 mRemoteBugreportSharingAccepted.set(false); 5651 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5652 } 5653 } 5654 5655 /** 5656 * Disables all device cameras according to the specified admin. 5657 */ 5658 @Override 5659 public void setCameraDisabled(ComponentName who, boolean disabled) { 5660 if (!mHasFeature) { 5661 return; 5662 } 5663 Preconditions.checkNotNull(who, "ComponentName is null"); 5664 final int userHandle = mInjector.userHandleGetCallingUserId(); 5665 synchronized (this) { 5666 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5667 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5668 if (ap.disableCamera != disabled) { 5669 ap.disableCamera = disabled; 5670 saveSettingsLocked(userHandle); 5671 } 5672 } 5673 // Tell the user manager that the restrictions have changed. 5674 pushUserRestrictions(userHandle); 5675 } 5676 5677 /** 5678 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5679 * active admins. 5680 */ 5681 @Override 5682 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5683 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5684 } 5685 5686 private boolean getCameraDisabled(ComponentName who, int userHandle, 5687 boolean mergeDeviceOwnerRestriction) { 5688 if (!mHasFeature) { 5689 return false; 5690 } 5691 synchronized (this) { 5692 if (who != null) { 5693 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5694 return (admin != null) ? admin.disableCamera : false; 5695 } 5696 // First, see if DO has set it. If so, it's device-wide. 5697 if (mergeDeviceOwnerRestriction) { 5698 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5699 if (deviceOwner != null && deviceOwner.disableCamera) { 5700 return true; 5701 } 5702 } 5703 5704 // Then check each device admin on the user. 5705 DevicePolicyData policy = getUserData(userHandle); 5706 // Determine whether or not the device camera is disabled for any active admins. 5707 final int N = policy.mAdminList.size(); 5708 for (int i = 0; i < N; i++) { 5709 ActiveAdmin admin = policy.mAdminList.get(i); 5710 if (admin.disableCamera) { 5711 return true; 5712 } 5713 } 5714 return false; 5715 } 5716 } 5717 5718 @Override 5719 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5720 if (!mHasFeature) { 5721 return; 5722 } 5723 Preconditions.checkNotNull(who, "ComponentName is null"); 5724 final int userHandle = mInjector.userHandleGetCallingUserId(); 5725 if (isManagedProfile(userHandle)) { 5726 if (parent) { 5727 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5728 } else { 5729 which = which & PROFILE_KEYGUARD_FEATURES; 5730 } 5731 } 5732 synchronized (this) { 5733 ActiveAdmin ap = getActiveAdminForCallerLocked( 5734 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5735 if (ap.disabledKeyguardFeatures != which) { 5736 ap.disabledKeyguardFeatures = which; 5737 saveSettingsLocked(userHandle); 5738 } 5739 } 5740 } 5741 5742 /** 5743 * Gets the disabled state for features in keyguard for the given admin, 5744 * or the aggregate of all active admins if who is null. 5745 */ 5746 @Override 5747 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5748 if (!mHasFeature) { 5749 return 0; 5750 } 5751 enforceFullCrossUsersPermission(userHandle); 5752 final long ident = mInjector.binderClearCallingIdentity(); 5753 try { 5754 synchronized (this) { 5755 if (who != null) { 5756 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5757 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5758 } 5759 5760 final List<ActiveAdmin> admins; 5761 if (!parent && isManagedProfile(userHandle)) { 5762 // If we are being asked about a managed profile, just return keyguard features 5763 // disabled by admins in the profile. 5764 admins = getUserDataUnchecked(userHandle).mAdminList; 5765 } else { 5766 // Otherwise return those set by admins in the user and its profiles. 5767 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5768 } 5769 5770 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5771 final int N = admins.size(); 5772 for (int i = 0; i < N; i++) { 5773 ActiveAdmin admin = admins.get(i); 5774 int userId = admin.getUserHandle().getIdentifier(); 5775 boolean isRequestedUser = !parent && (userId == userHandle); 5776 if (isRequestedUser || !isManagedProfile(userId)) { 5777 // If we are being asked explicitly about this user 5778 // return all disabled features even if its a managed profile. 5779 which |= admin.disabledKeyguardFeatures; 5780 } else { 5781 // Otherwise a managed profile is only allowed to disable 5782 // some features on the parent user. 5783 which |= (admin.disabledKeyguardFeatures 5784 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5785 } 5786 } 5787 return which; 5788 } 5789 } finally { 5790 mInjector.binderRestoreCallingIdentity(ident); 5791 } 5792 } 5793 5794 @Override 5795 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5796 if (!mHasFeature) { 5797 return; 5798 } 5799 Preconditions.checkNotNull(who, "ComponentName is null"); 5800 Preconditions.checkNotNull(packageList, "packageList is null"); 5801 final int userHandle = UserHandle.getCallingUserId(); 5802 synchronized (this) { 5803 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5804 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5805 admin.keepUninstalledPackages = packageList; 5806 saveSettingsLocked(userHandle); 5807 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5808 } 5809 } 5810 5811 @Override 5812 public List<String> getKeepUninstalledPackages(ComponentName who) { 5813 Preconditions.checkNotNull(who, "ComponentName is null"); 5814 if (!mHasFeature) { 5815 return null; 5816 } 5817 // TODO In split system user mode, allow apps on user 0 to query the list 5818 synchronized (this) { 5819 // Check if this is the device owner who is calling 5820 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5821 return getKeepUninstalledPackagesLocked(); 5822 } 5823 } 5824 5825 private List<String> getKeepUninstalledPackagesLocked() { 5826 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5827 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5828 } 5829 5830 @Override 5831 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5832 if (!mHasFeature) { 5833 return false; 5834 } 5835 if (admin == null 5836 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5837 throw new IllegalArgumentException("Invalid component " + admin 5838 + " for device owner"); 5839 } 5840 synchronized (this) { 5841 enforceCanSetDeviceOwnerLocked(admin, userId); 5842 if (getActiveAdminUncheckedLocked(admin, userId) == null 5843 || getUserData(userId).mRemovingAdmins.contains(admin)) { 5844 throw new IllegalArgumentException("Not active admin: " + admin); 5845 } 5846 5847 // Shutting down backup manager service permanently. 5848 long ident = mInjector.binderClearCallingIdentity(); 5849 try { 5850 if (mInjector.getIBackupManager() != null) { 5851 mInjector.getIBackupManager() 5852 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5853 } 5854 } catch (RemoteException e) { 5855 throw new IllegalStateException("Failed deactivating backup service.", e); 5856 } finally { 5857 mInjector.binderRestoreCallingIdentity(ident); 5858 } 5859 5860 mOwners.setDeviceOwner(admin, ownerName, userId); 5861 mOwners.writeDeviceOwner(); 5862 updateDeviceOwnerLocked(); 5863 setDeviceOwnerSystemPropertyLocked(); 5864 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5865 5866 ident = mInjector.binderClearCallingIdentity(); 5867 try { 5868 // TODO Send to system too? 5869 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5870 } finally { 5871 mInjector.binderRestoreCallingIdentity(ident); 5872 } 5873 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 5874 return true; 5875 } 5876 } 5877 5878 public boolean isDeviceOwner(ComponentName who, int userId) { 5879 synchronized (this) { 5880 return mOwners.hasDeviceOwner() 5881 && mOwners.getDeviceOwnerUserId() == userId 5882 && mOwners.getDeviceOwnerComponent().equals(who); 5883 } 5884 } 5885 5886 public boolean isProfileOwner(ComponentName who, int userId) { 5887 final ComponentName profileOwner = getProfileOwner(userId); 5888 return who != null && who.equals(profileOwner); 5889 } 5890 5891 @Override 5892 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 5893 if (!mHasFeature) { 5894 return null; 5895 } 5896 if (!callingUserOnly) { 5897 enforceManageUsers(); 5898 } 5899 synchronized (this) { 5900 if (!mOwners.hasDeviceOwner()) { 5901 return null; 5902 } 5903 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 5904 mOwners.getDeviceOwnerUserId()) { 5905 return null; 5906 } 5907 return mOwners.getDeviceOwnerComponent(); 5908 } 5909 } 5910 5911 @Override 5912 public int getDeviceOwnerUserId() { 5913 if (!mHasFeature) { 5914 return UserHandle.USER_NULL; 5915 } 5916 enforceManageUsers(); 5917 synchronized (this) { 5918 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 5919 } 5920 } 5921 5922 /** 5923 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 5924 * MANAGE_USERS. 5925 */ 5926 @Override 5927 public String getDeviceOwnerName() { 5928 if (!mHasFeature) { 5929 return null; 5930 } 5931 enforceManageUsers(); 5932 synchronized (this) { 5933 if (!mOwners.hasDeviceOwner()) { 5934 return null; 5935 } 5936 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 5937 // Should setDeviceOwner/ProfileOwner still take a name? 5938 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 5939 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 5940 } 5941 } 5942 5943 // Returns the active device owner or null if there is no device owner. 5944 @VisibleForTesting 5945 ActiveAdmin getDeviceOwnerAdminLocked() { 5946 ComponentName component = mOwners.getDeviceOwnerComponent(); 5947 if (component == null) { 5948 return null; 5949 } 5950 5951 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 5952 final int n = policy.mAdminList.size(); 5953 for (int i = 0; i < n; i++) { 5954 ActiveAdmin admin = policy.mAdminList.get(i); 5955 if (component.equals(admin.info.getComponent())) { 5956 return admin; 5957 } 5958 } 5959 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 5960 return null; 5961 } 5962 5963 @Override 5964 public void clearDeviceOwner(String packageName) { 5965 Preconditions.checkNotNull(packageName, "packageName is null"); 5966 final int callingUid = mInjector.binderGetCallingUid(); 5967 try { 5968 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 5969 UserHandle.getUserId(callingUid)); 5970 if (uid != callingUid) { 5971 throw new SecurityException("Invalid packageName"); 5972 } 5973 } catch (NameNotFoundException e) { 5974 throw new SecurityException(e); 5975 } 5976 synchronized (this) { 5977 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 5978 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 5979 if (!mOwners.hasDeviceOwner() 5980 || !deviceOwnerComponent.getPackageName().equals(packageName) 5981 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 5982 throw new SecurityException( 5983 "clearDeviceOwner can only be called by the device owner"); 5984 } 5985 enforceUserUnlocked(deviceOwnerUserId); 5986 5987 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 5988 long ident = mInjector.binderClearCallingIdentity(); 5989 try { 5990 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 5991 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 5992 } finally { 5993 mInjector.binderRestoreCallingIdentity(ident); 5994 } 5995 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 5996 } 5997 } 5998 5999 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6000 if (admin != null) { 6001 admin.disableCamera = false; 6002 admin.userRestrictions = null; 6003 admin.forceEphemeralUsers = false; 6004 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6005 } 6006 clearUserPoliciesLocked(userId); 6007 6008 mOwners.clearDeviceOwner(); 6009 mOwners.writeDeviceOwner(); 6010 updateDeviceOwnerLocked(); 6011 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 6012 try { 6013 // Reactivate backup service. 6014 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6015 } catch (RemoteException e) { 6016 throw new IllegalStateException("Failed reactivating backup service.", e); 6017 } 6018 } 6019 6020 @Override 6021 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6022 if (!mHasFeature) { 6023 return false; 6024 } 6025 if (who == null 6026 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6027 throw new IllegalArgumentException("Component " + who 6028 + " not installed for userId:" + userHandle); 6029 } 6030 synchronized (this) { 6031 enforceCanSetProfileOwnerLocked(who, userHandle); 6032 6033 if (getActiveAdminUncheckedLocked(who, userHandle) == null 6034 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6035 throw new IllegalArgumentException("Not active admin: " + who); 6036 } 6037 6038 mOwners.setProfileOwner(who, ownerName, userHandle); 6039 mOwners.writeProfileOwner(userHandle); 6040 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6041 return true; 6042 } 6043 } 6044 6045 @Override 6046 public void clearProfileOwner(ComponentName who) { 6047 if (!mHasFeature) { 6048 return; 6049 } 6050 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 6051 final int userId = callingUser.getIdentifier(); 6052 enforceNotManagedProfile(userId, "clear profile owner"); 6053 enforceUserUnlocked(userId); 6054 // Check if this is the profile owner who is calling 6055 final ActiveAdmin admin = 6056 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6057 synchronized (this) { 6058 final long ident = mInjector.binderClearCallingIdentity(); 6059 try { 6060 clearProfileOwnerLocked(admin, userId); 6061 removeActiveAdminLocked(who, userId); 6062 } finally { 6063 mInjector.binderRestoreCallingIdentity(ident); 6064 } 6065 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6066 } 6067 } 6068 6069 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6070 if (admin != null) { 6071 admin.disableCamera = false; 6072 admin.userRestrictions = null; 6073 } 6074 clearUserPoliciesLocked(userId); 6075 mOwners.removeProfileOwner(userId); 6076 mOwners.writeProfileOwner(userId); 6077 } 6078 6079 @Override 6080 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6081 Preconditions.checkNotNull(who, "ComponentName is null"); 6082 if (!mHasFeature) { 6083 return; 6084 } 6085 6086 synchronized (this) { 6087 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6088 long token = mInjector.binderClearCallingIdentity(); 6089 try { 6090 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6091 } finally { 6092 mInjector.binderRestoreCallingIdentity(token); 6093 } 6094 } 6095 } 6096 6097 @Override 6098 public CharSequence getDeviceOwnerLockScreenInfo() { 6099 return mLockPatternUtils.getDeviceOwnerInfo(); 6100 } 6101 6102 private void clearUserPoliciesLocked(int userId) { 6103 // Reset some of the user-specific policies 6104 DevicePolicyData policy = getUserData(userId); 6105 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6106 policy.mDelegatedCertInstallerPackage = null; 6107 policy.mApplicationRestrictionsManagingPackage = null; 6108 policy.mStatusBarDisabled = false; 6109 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6110 saveSettingsLocked(userId); 6111 6112 try { 6113 mIPackageManager.updatePermissionFlagsForAllApps( 6114 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6115 0 /* flagValues */, userId); 6116 pushUserRestrictions(userId); 6117 } catch (RemoteException re) { 6118 // Shouldn't happen. 6119 } 6120 } 6121 6122 @Override 6123 public boolean hasUserSetupCompleted() { 6124 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6125 } 6126 6127 private boolean hasUserSetupCompleted(int userHandle) { 6128 if (!mHasFeature) { 6129 return true; 6130 } 6131 return getUserData(userHandle).mUserSetupComplete; 6132 } 6133 6134 @Override 6135 public int getUserProvisioningState() { 6136 if (!mHasFeature) { 6137 return DevicePolicyManager.STATE_USER_UNMANAGED; 6138 } 6139 int userHandle = mInjector.userHandleGetCallingUserId(); 6140 return getUserProvisioningState(userHandle); 6141 } 6142 6143 private int getUserProvisioningState(int userHandle) { 6144 return getUserData(userHandle).mUserProvisioningState; 6145 } 6146 6147 @Override 6148 public void setUserProvisioningState(int newState, int userHandle) { 6149 if (!mHasFeature) { 6150 return; 6151 } 6152 6153 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6154 && getManagedUserId(userHandle) == -1) { 6155 // No managed device, user or profile, so setting provisioning state makes no sense. 6156 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6157 + "device or profile owner is set."); 6158 } 6159 6160 synchronized (this) { 6161 boolean transitionCheckNeeded = true; 6162 6163 // Calling identity/permission checks. 6164 final int callingUid = mInjector.binderGetCallingUid(); 6165 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6166 // ADB shell can only move directly from un-managed to finalized as part of directly 6167 // setting profile-owner or device-owner. 6168 if (getUserProvisioningState(userHandle) != 6169 DevicePolicyManager.STATE_USER_UNMANAGED 6170 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6171 throw new IllegalStateException("Not allowed to change provisioning state " 6172 + "unless current provisioning state is unmanaged, and new state is " 6173 + "finalized."); 6174 } 6175 transitionCheckNeeded = false; 6176 } else { 6177 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6178 enforceCanManageProfileAndDeviceOwners(); 6179 } 6180 6181 final DevicePolicyData policyData = getUserData(userHandle); 6182 if (transitionCheckNeeded) { 6183 // Optional state transition check for non-ADB case. 6184 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6185 } 6186 policyData.mUserProvisioningState = newState; 6187 saveSettingsLocked(userHandle); 6188 } 6189 } 6190 6191 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6192 // Valid transitions for normal use-cases. 6193 switch (currentState) { 6194 case DevicePolicyManager.STATE_USER_UNMANAGED: 6195 // Can move to any state from unmanaged (except itself as an edge case).. 6196 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6197 return; 6198 } 6199 break; 6200 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6201 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6202 // Can only move to finalized from these states. 6203 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6204 return; 6205 } 6206 break; 6207 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6208 // Current user has a managed-profile, but current user is not managed, so 6209 // rather than moving to finalized state, go back to unmanaged once 6210 // profile provisioning is complete. 6211 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6212 return; 6213 } 6214 break; 6215 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6216 // Cannot transition out of finalized. 6217 break; 6218 } 6219 6220 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6221 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6222 + "from state [" + currentState + "]"); 6223 } 6224 6225 @Override 6226 public void setProfileEnabled(ComponentName who) { 6227 if (!mHasFeature) { 6228 return; 6229 } 6230 Preconditions.checkNotNull(who, "ComponentName is null"); 6231 synchronized (this) { 6232 // Check if this is the profile owner who is calling 6233 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6234 final int userId = UserHandle.getCallingUserId(); 6235 enforceManagedProfile(userId, "enable the profile"); 6236 6237 long id = mInjector.binderClearCallingIdentity(); 6238 try { 6239 mUserManager.setUserEnabled(userId); 6240 UserInfo parent = mUserManager.getProfileParent(userId); 6241 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6242 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6243 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6244 Intent.FLAG_RECEIVER_FOREGROUND); 6245 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6246 } finally { 6247 mInjector.binderRestoreCallingIdentity(id); 6248 } 6249 } 6250 } 6251 6252 @Override 6253 public void setProfileName(ComponentName who, String profileName) { 6254 Preconditions.checkNotNull(who, "ComponentName is null"); 6255 int userId = UserHandle.getCallingUserId(); 6256 // Check if this is the profile owner (includes device owner). 6257 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6258 6259 long id = mInjector.binderClearCallingIdentity(); 6260 try { 6261 mUserManager.setUserName(userId, profileName); 6262 } finally { 6263 mInjector.binderRestoreCallingIdentity(id); 6264 } 6265 } 6266 6267 @Override 6268 public ComponentName getProfileOwner(int userHandle) { 6269 if (!mHasFeature) { 6270 return null; 6271 } 6272 6273 synchronized (this) { 6274 return mOwners.getProfileOwnerComponent(userHandle); 6275 } 6276 } 6277 6278 // Returns the active profile owner for this user or null if the current user has no 6279 // profile owner. 6280 @VisibleForTesting 6281 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6282 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6283 if (profileOwner == null) { 6284 return null; 6285 } 6286 DevicePolicyData policy = getUserData(userHandle); 6287 final int n = policy.mAdminList.size(); 6288 for (int i = 0; i < n; i++) { 6289 ActiveAdmin admin = policy.mAdminList.get(i); 6290 if (profileOwner.equals(admin.info.getComponent())) { 6291 return admin; 6292 } 6293 } 6294 return null; 6295 } 6296 6297 @Override 6298 public String getProfileOwnerName(int userHandle) { 6299 if (!mHasFeature) { 6300 return null; 6301 } 6302 enforceManageUsers(); 6303 ComponentName profileOwner = getProfileOwner(userHandle); 6304 if (profileOwner == null) { 6305 return null; 6306 } 6307 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6308 } 6309 6310 /** 6311 * Canonical name for a given package. 6312 */ 6313 private String getApplicationLabel(String packageName, int userHandle) { 6314 long token = mInjector.binderClearCallingIdentity(); 6315 try { 6316 final Context userContext; 6317 try { 6318 UserHandle handle = new UserHandle(userHandle); 6319 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6320 } catch (PackageManager.NameNotFoundException nnfe) { 6321 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6322 return null; 6323 } 6324 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6325 CharSequence result = null; 6326 if (appInfo != null) { 6327 PackageManager pm = userContext.getPackageManager(); 6328 result = pm.getApplicationLabel(appInfo); 6329 } 6330 return result != null ? result.toString() : null; 6331 } finally { 6332 mInjector.binderRestoreCallingIdentity(token); 6333 } 6334 } 6335 6336 /** 6337 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6338 * permission. 6339 * The profile owner can only be set before the user setup phase has completed, 6340 * except for: 6341 * - SYSTEM_UID 6342 * - adb if there are no accounts. (But see {@link #hasIncompatibleAccountsLocked}) 6343 */ 6344 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle) { 6345 UserInfo info = getUserInfo(userHandle); 6346 if (info == null) { 6347 // User doesn't exist. 6348 throw new IllegalArgumentException( 6349 "Attempted to set profile owner for invalid userId: " + userHandle); 6350 } 6351 if (info.isGuest()) { 6352 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6353 } 6354 if (mOwners.hasProfileOwner(userHandle)) { 6355 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6356 + "is already set."); 6357 } 6358 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6359 throw new IllegalStateException("Trying to set the profile owner, but the user " 6360 + "already has a device owner."); 6361 } 6362 int callingUid = mInjector.binderGetCallingUid(); 6363 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 6364 if (hasUserSetupCompleted(userHandle) 6365 && hasIncompatibleAccountsLocked(userHandle, owner)) { 6366 throw new IllegalStateException("Not allowed to set the profile owner because " 6367 + "there are already some accounts on the profile"); 6368 } 6369 return; 6370 } 6371 enforceCanManageProfileAndDeviceOwners(); 6372 if (hasUserSetupCompleted(userHandle) && !isCallerWithSystemUid()) { 6373 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6374 + "already set-up"); 6375 } 6376 } 6377 6378 /** 6379 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6380 * permission. 6381 */ 6382 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId) { 6383 int callingUid = mInjector.binderGetCallingUid(); 6384 boolean isAdb = callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 6385 if (!isAdb) { 6386 enforceCanManageProfileAndDeviceOwners(); 6387 } 6388 6389 final int code = checkSetDeviceOwnerPreConditionLocked(owner, userId, isAdb); 6390 switch (code) { 6391 case CODE_OK: 6392 return; 6393 case CODE_HAS_DEVICE_OWNER: 6394 throw new IllegalStateException( 6395 "Trying to set the device owner, but device owner is already set."); 6396 case CODE_USER_HAS_PROFILE_OWNER: 6397 throw new IllegalStateException("Trying to set the device owner, but the user " 6398 + "already has a profile owner."); 6399 case CODE_USER_NOT_RUNNING: 6400 throw new IllegalStateException("User not running: " + userId); 6401 case CODE_NOT_SYSTEM_USER: 6402 throw new IllegalStateException("User is not system user"); 6403 case CODE_USER_SETUP_COMPLETED: 6404 throw new IllegalStateException( 6405 "Cannot set the device owner if the device is already set-up"); 6406 case CODE_NONSYSTEM_USER_EXISTS: 6407 throw new IllegalStateException("Not allowed to set the device owner because there " 6408 + "are already several users on the device"); 6409 case CODE_ACCOUNTS_NOT_EMPTY: 6410 throw new IllegalStateException("Not allowed to set the device owner because there " 6411 + "are already some accounts on the device"); 6412 default: 6413 throw new IllegalStateException("Unknown @DeviceOwnerPreConditionCode " + code); 6414 } 6415 } 6416 6417 private void enforceUserUnlocked(int userId) { 6418 // Since we're doing this operation on behalf of an app, we only 6419 // want to use the actual "unlocked" state. 6420 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6421 "User must be running and unlocked"); 6422 } 6423 6424 private void enforceManageUsers() { 6425 final int callingUid = mInjector.binderGetCallingUid(); 6426 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6427 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6428 } 6429 } 6430 6431 private void enforceFullCrossUsersPermission(int userHandle) { 6432 enforceSystemUserOrPermission(userHandle, 6433 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6434 } 6435 6436 private void enforceCrossUsersPermission(int userHandle) { 6437 enforceSystemUserOrPermission(userHandle, 6438 android.Manifest.permission.INTERACT_ACROSS_USERS); 6439 } 6440 6441 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6442 if (userHandle < 0) { 6443 throw new IllegalArgumentException("Invalid userId " + userHandle); 6444 } 6445 final int callingUid = mInjector.binderGetCallingUid(); 6446 if (userHandle == UserHandle.getUserId(callingUid)) { 6447 return; 6448 } 6449 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6450 mContext.enforceCallingOrSelfPermission(permission, 6451 "Must be system or have " + permission + " permission"); 6452 } 6453 } 6454 6455 private void enforceManagedProfile(int userHandle, String message) { 6456 if(!isManagedProfile(userHandle)) { 6457 throw new SecurityException("You can not " + message + " outside a managed profile."); 6458 } 6459 } 6460 6461 private void enforceNotManagedProfile(int userHandle, String message) { 6462 if(isManagedProfile(userHandle)) { 6463 throw new SecurityException("You can not " + message + " for a managed profile."); 6464 } 6465 } 6466 6467 private void ensureCallerPackage(@Nullable String packageName) { 6468 if (packageName == null) { 6469 Preconditions.checkState(isCallerWithSystemUid(), 6470 "Only caller can omit package name"); 6471 } else { 6472 final int callingUid = mInjector.binderGetCallingUid(); 6473 final int userId = mInjector.userHandleGetCallingUserId(); 6474 try { 6475 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6476 packageName, 0, userId); 6477 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6478 } catch (RemoteException e) { 6479 // Shouldn't happen 6480 } 6481 } 6482 } 6483 6484 private boolean isCallerWithSystemUid() { 6485 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6486 } 6487 6488 private int getProfileParentId(int userHandle) { 6489 final long ident = mInjector.binderClearCallingIdentity(); 6490 try { 6491 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6492 return parentUser != null ? parentUser.id : userHandle; 6493 } finally { 6494 mInjector.binderRestoreCallingIdentity(ident); 6495 } 6496 } 6497 6498 private int getCredentialOwner(int userHandle, boolean parent) { 6499 final long ident = mInjector.binderClearCallingIdentity(); 6500 try { 6501 if (parent) { 6502 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6503 if (parentProfile != null) { 6504 userHandle = parentProfile.id; 6505 } 6506 } 6507 return mUserManager.getCredentialOwnerProfile(userHandle); 6508 } finally { 6509 mInjector.binderRestoreCallingIdentity(ident); 6510 } 6511 } 6512 6513 private boolean isManagedProfile(int userHandle) { 6514 return getUserInfo(userHandle).isManagedProfile(); 6515 } 6516 6517 private void enableIfNecessary(String packageName, int userId) { 6518 try { 6519 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6520 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6521 userId); 6522 if (ai.enabledSetting 6523 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6524 mIPackageManager.setApplicationEnabledSetting(packageName, 6525 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6526 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6527 } 6528 } catch (RemoteException e) { 6529 } 6530 } 6531 6532 @Override 6533 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6534 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6535 != PackageManager.PERMISSION_GRANTED) { 6536 6537 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6538 + mInjector.binderGetCallingPid() 6539 + ", uid=" + mInjector.binderGetCallingUid()); 6540 return; 6541 } 6542 6543 synchronized (this) { 6544 pw.println("Current Device Policy Manager state:"); 6545 mOwners.dump(" ", pw); 6546 int userCount = mUserData.size(); 6547 for (int u = 0; u < userCount; u++) { 6548 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6549 pw.println(); 6550 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6551 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6552 final int N = policy.mAdminList.size(); 6553 for (int i=0; i<N; i++) { 6554 ActiveAdmin ap = policy.mAdminList.get(i); 6555 if (ap != null) { 6556 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6557 pw.println(":"); 6558 ap.dump(" ", pw); 6559 } 6560 } 6561 if (!policy.mRemovingAdmins.isEmpty()) { 6562 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6563 + policy.mRemovingAdmins); 6564 } 6565 6566 pw.println(" "); 6567 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6568 } 6569 pw.println(); 6570 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6571 } 6572 } 6573 6574 private String getEncryptionStatusName(int encryptionStatus) { 6575 switch (encryptionStatus) { 6576 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6577 return "inactive"; 6578 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6579 return "block default key"; 6580 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6581 return "block"; 6582 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6583 return "per-user"; 6584 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6585 return "unsupported"; 6586 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6587 return "activating"; 6588 default: 6589 return "unknown"; 6590 } 6591 } 6592 6593 @Override 6594 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6595 ComponentName activity) { 6596 Preconditions.checkNotNull(who, "ComponentName is null"); 6597 final int userHandle = UserHandle.getCallingUserId(); 6598 synchronized (this) { 6599 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6600 6601 long id = mInjector.binderClearCallingIdentity(); 6602 try { 6603 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6604 } catch (RemoteException re) { 6605 // Shouldn't happen 6606 } finally { 6607 mInjector.binderRestoreCallingIdentity(id); 6608 } 6609 } 6610 } 6611 6612 @Override 6613 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6614 Preconditions.checkNotNull(who, "ComponentName is null"); 6615 final int userHandle = UserHandle.getCallingUserId(); 6616 synchronized (this) { 6617 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6618 6619 long id = mInjector.binderClearCallingIdentity(); 6620 try { 6621 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6622 } catch (RemoteException re) { 6623 // Shouldn't happen 6624 } finally { 6625 mInjector.binderRestoreCallingIdentity(id); 6626 } 6627 } 6628 } 6629 6630 @Override 6631 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6632 String packageName) { 6633 Preconditions.checkNotNull(admin, "ComponentName is null"); 6634 6635 final int userHandle = mInjector.userHandleGetCallingUserId(); 6636 synchronized (this) { 6637 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6638 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6639 return false; 6640 } 6641 DevicePolicyData policy = getUserData(userHandle); 6642 policy.mApplicationRestrictionsManagingPackage = packageName; 6643 saveSettingsLocked(userHandle); 6644 return true; 6645 } 6646 } 6647 6648 @Override 6649 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6650 Preconditions.checkNotNull(admin, "ComponentName is null"); 6651 6652 final int userHandle = mInjector.userHandleGetCallingUserId(); 6653 synchronized (this) { 6654 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6655 DevicePolicyData policy = getUserData(userHandle); 6656 return policy.mApplicationRestrictionsManagingPackage; 6657 } 6658 } 6659 6660 @Override 6661 public boolean isCallerApplicationRestrictionsManagingPackage() { 6662 final int callingUid = mInjector.binderGetCallingUid(); 6663 final int userHandle = UserHandle.getUserId(callingUid); 6664 synchronized (this) { 6665 final DevicePolicyData policy = getUserData(userHandle); 6666 if (policy.mApplicationRestrictionsManagingPackage == null) { 6667 return false; 6668 } 6669 6670 try { 6671 int uid = mContext.getPackageManager().getPackageUidAsUser( 6672 policy.mApplicationRestrictionsManagingPackage, userHandle); 6673 return uid == callingUid; 6674 } catch (NameNotFoundException e) { 6675 return false; 6676 } 6677 } 6678 } 6679 6680 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6681 if (who != null) { 6682 synchronized (this) { 6683 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6684 } 6685 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6686 throw new SecurityException( 6687 "No admin component given, and caller cannot manage application restrictions " 6688 + "for other apps."); 6689 } 6690 } 6691 6692 @Override 6693 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6694 enforceCanManageApplicationRestrictions(who); 6695 6696 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6697 final long id = mInjector.binderClearCallingIdentity(); 6698 try { 6699 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6700 } finally { 6701 mInjector.binderRestoreCallingIdentity(id); 6702 } 6703 } 6704 6705 @Override 6706 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6707 PersistableBundle args, boolean parent) { 6708 if (!mHasFeature) { 6709 return; 6710 } 6711 Preconditions.checkNotNull(admin, "admin is null"); 6712 Preconditions.checkNotNull(agent, "agent is null"); 6713 final int userHandle = UserHandle.getCallingUserId(); 6714 synchronized (this) { 6715 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6716 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6717 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6718 saveSettingsLocked(userHandle); 6719 } 6720 } 6721 6722 @Override 6723 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6724 ComponentName agent, int userHandle, boolean parent) { 6725 if (!mHasFeature) { 6726 return null; 6727 } 6728 Preconditions.checkNotNull(agent, "agent null"); 6729 enforceFullCrossUsersPermission(userHandle); 6730 6731 synchronized (this) { 6732 final String componentName = agent.flattenToString(); 6733 if (admin != null) { 6734 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 6735 if (ap == null) return null; 6736 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6737 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6738 List<PersistableBundle> result = new ArrayList<>(); 6739 result.add(trustAgentInfo.options); 6740 return result; 6741 } 6742 6743 // Return strictest policy for this user and profiles that are visible from this user. 6744 List<PersistableBundle> result = null; 6745 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6746 // of the options. If any admin doesn't have options, discard options for the rest 6747 // and return null. 6748 List<ActiveAdmin> admins = 6749 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6750 boolean allAdminsHaveOptions = true; 6751 final int N = admins.size(); 6752 for (int i = 0; i < N; i++) { 6753 final ActiveAdmin active = admins.get(i); 6754 6755 final boolean disablesTrust = (active.disabledKeyguardFeatures 6756 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6757 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6758 if (info != null && info.options != null && !info.options.isEmpty()) { 6759 if (disablesTrust) { 6760 if (result == null) { 6761 result = new ArrayList<>(); 6762 } 6763 result.add(info.options); 6764 } else { 6765 Log.w(LOG_TAG, "Ignoring admin " + active.info 6766 + " because it has trust options but doesn't declare " 6767 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6768 } 6769 } else if (disablesTrust) { 6770 allAdminsHaveOptions = false; 6771 break; 6772 } 6773 } 6774 return allAdminsHaveOptions ? result : null; 6775 } 6776 } 6777 6778 @Override 6779 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 6780 Preconditions.checkNotNull(who, "ComponentName is null"); 6781 synchronized (this) { 6782 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6783 6784 int userHandle = UserHandle.getCallingUserId(); 6785 DevicePolicyData userData = getUserData(userHandle); 6786 userData.mRestrictionsProvider = permissionProvider; 6787 saveSettingsLocked(userHandle); 6788 } 6789 } 6790 6791 @Override 6792 public ComponentName getRestrictionsProvider(int userHandle) { 6793 synchronized (this) { 6794 if (!isCallerWithSystemUid()) { 6795 throw new SecurityException("Only the system can query the permission provider"); 6796 } 6797 DevicePolicyData userData = getUserData(userHandle); 6798 return userData != null ? userData.mRestrictionsProvider : null; 6799 } 6800 } 6801 6802 @Override 6803 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 6804 Preconditions.checkNotNull(who, "ComponentName is null"); 6805 int callingUserId = UserHandle.getCallingUserId(); 6806 synchronized (this) { 6807 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6808 6809 long id = mInjector.binderClearCallingIdentity(); 6810 try { 6811 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6812 if (parent == null) { 6813 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 6814 + "parent"); 6815 return; 6816 } 6817 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 6818 mIPackageManager.addCrossProfileIntentFilter( 6819 filter, who.getPackageName(), callingUserId, parent.id, 0); 6820 } 6821 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 6822 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 6823 parent.id, callingUserId, 0); 6824 } 6825 } catch (RemoteException re) { 6826 // Shouldn't happen 6827 } finally { 6828 mInjector.binderRestoreCallingIdentity(id); 6829 } 6830 } 6831 } 6832 6833 @Override 6834 public void clearCrossProfileIntentFilters(ComponentName who) { 6835 Preconditions.checkNotNull(who, "ComponentName is null"); 6836 int callingUserId = UserHandle.getCallingUserId(); 6837 synchronized (this) { 6838 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6839 long id = mInjector.binderClearCallingIdentity(); 6840 try { 6841 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6842 if (parent == null) { 6843 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 6844 + "parent"); 6845 return; 6846 } 6847 // Removing those that go from the managed profile to the parent. 6848 mIPackageManager.clearCrossProfileIntentFilters( 6849 callingUserId, who.getPackageName()); 6850 // And those that go from the parent to the managed profile. 6851 // If we want to support multiple managed profiles, we will have to only remove 6852 // those that have callingUserId as their target. 6853 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 6854 } catch (RemoteException re) { 6855 // Shouldn't happen 6856 } finally { 6857 mInjector.binderRestoreCallingIdentity(id); 6858 } 6859 } 6860 } 6861 6862 /** 6863 * @return true if all packages in enabledPackages are either in the list 6864 * permittedList or are a system app. 6865 */ 6866 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 6867 List<String> permittedList, int userIdToCheck) { 6868 long id = mInjector.binderClearCallingIdentity(); 6869 try { 6870 // If we have an enabled packages list for a managed profile the packages 6871 // we should check are installed for the parent user. 6872 UserInfo user = getUserInfo(userIdToCheck); 6873 if (user.isManagedProfile()) { 6874 userIdToCheck = user.profileGroupId; 6875 } 6876 6877 for (String enabledPackage : enabledPackages) { 6878 boolean systemService = false; 6879 try { 6880 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 6881 enabledPackage, PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 6882 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 6883 } catch (RemoteException e) { 6884 Log.i(LOG_TAG, "Can't talk to package managed", e); 6885 } 6886 if (!systemService && !permittedList.contains(enabledPackage)) { 6887 return false; 6888 } 6889 } 6890 } finally { 6891 mInjector.binderRestoreCallingIdentity(id); 6892 } 6893 return true; 6894 } 6895 6896 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 6897 // Not using AccessibilityManager.getInstance because that guesses 6898 // at the user you require based on callingUid and caches for a given 6899 // process. 6900 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 6901 IAccessibilityManager service = iBinder == null 6902 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 6903 return new AccessibilityManager(mContext, service, userId); 6904 } 6905 6906 @Override 6907 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 6908 if (!mHasFeature) { 6909 return false; 6910 } 6911 Preconditions.checkNotNull(who, "ComponentName is null"); 6912 6913 if (packageList != null) { 6914 int userId = UserHandle.getCallingUserId(); 6915 List<AccessibilityServiceInfo> enabledServices = null; 6916 long id = mInjector.binderClearCallingIdentity(); 6917 try { 6918 UserInfo user = getUserInfo(userId); 6919 if (user.isManagedProfile()) { 6920 userId = user.profileGroupId; 6921 } 6922 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 6923 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 6924 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 6925 } finally { 6926 mInjector.binderRestoreCallingIdentity(id); 6927 } 6928 6929 if (enabledServices != null) { 6930 List<String> enabledPackages = new ArrayList<String>(); 6931 for (AccessibilityServiceInfo service : enabledServices) { 6932 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 6933 } 6934 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 6935 userId)) { 6936 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 6937 + "because it contains already enabled accesibility services."); 6938 return false; 6939 } 6940 } 6941 } 6942 6943 synchronized (this) { 6944 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6945 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6946 admin.permittedAccessiblityServices = packageList; 6947 saveSettingsLocked(UserHandle.getCallingUserId()); 6948 } 6949 return true; 6950 } 6951 6952 @Override 6953 public List getPermittedAccessibilityServices(ComponentName who) { 6954 if (!mHasFeature) { 6955 return null; 6956 } 6957 Preconditions.checkNotNull(who, "ComponentName is null"); 6958 6959 synchronized (this) { 6960 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6961 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6962 return admin.permittedAccessiblityServices; 6963 } 6964 } 6965 6966 @Override 6967 public List getPermittedAccessibilityServicesForUser(int userId) { 6968 if (!mHasFeature) { 6969 return null; 6970 } 6971 synchronized (this) { 6972 List<String> result = null; 6973 // If we have multiple profiles we return the intersection of the 6974 // permitted lists. This can happen in cases where we have a device 6975 // and profile owner. 6976 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 6977 for (int profileId : profileIds) { 6978 // Just loop though all admins, only device or profiles 6979 // owners can have permitted lists set. 6980 DevicePolicyData policy = getUserDataUnchecked(profileId); 6981 final int N = policy.mAdminList.size(); 6982 for (int j = 0; j < N; j++) { 6983 ActiveAdmin admin = policy.mAdminList.get(j); 6984 List<String> fromAdmin = admin.permittedAccessiblityServices; 6985 if (fromAdmin != null) { 6986 if (result == null) { 6987 result = new ArrayList<>(fromAdmin); 6988 } else { 6989 result.retainAll(fromAdmin); 6990 } 6991 } 6992 } 6993 } 6994 6995 // If we have a permitted list add all system accessibility services. 6996 if (result != null) { 6997 long id = mInjector.binderClearCallingIdentity(); 6998 try { 6999 UserInfo user = getUserInfo(userId); 7000 if (user.isManagedProfile()) { 7001 userId = user.profileGroupId; 7002 } 7003 AccessibilityManager accessibilityManager = 7004 getAccessibilityManagerForUser(userId); 7005 List<AccessibilityServiceInfo> installedServices = 7006 accessibilityManager.getInstalledAccessibilityServiceList(); 7007 7008 if (installedServices != null) { 7009 for (AccessibilityServiceInfo service : installedServices) { 7010 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7011 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7012 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7013 result.add(serviceInfo.packageName); 7014 } 7015 } 7016 } 7017 } finally { 7018 mInjector.binderRestoreCallingIdentity(id); 7019 } 7020 } 7021 7022 return result; 7023 } 7024 } 7025 7026 @Override 7027 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7028 int userHandle) { 7029 if (!mHasFeature) { 7030 return true; 7031 } 7032 Preconditions.checkNotNull(who, "ComponentName is null"); 7033 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7034 if (!isCallerWithSystemUid()){ 7035 throw new SecurityException( 7036 "Only the system can query if an accessibility service is disabled by admin"); 7037 } 7038 synchronized (this) { 7039 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7040 if (admin == null) { 7041 return false; 7042 } 7043 if (admin.permittedAccessiblityServices == null) { 7044 return true; 7045 } 7046 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7047 admin.permittedAccessiblityServices, userHandle); 7048 } 7049 } 7050 7051 private boolean checkCallerIsCurrentUserOrProfile() { 7052 int callingUserId = UserHandle.getCallingUserId(); 7053 long token = mInjector.binderClearCallingIdentity(); 7054 try { 7055 UserInfo currentUser; 7056 UserInfo callingUser = getUserInfo(callingUserId); 7057 try { 7058 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7059 } catch (RemoteException e) { 7060 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7061 return false; 7062 } 7063 7064 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7065 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7066 + "of a user that isn't the foreground user."); 7067 return false; 7068 } 7069 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7070 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7071 + "of a user that isn't the foreground user."); 7072 return false; 7073 } 7074 } finally { 7075 mInjector.binderRestoreCallingIdentity(token); 7076 } 7077 return true; 7078 } 7079 7080 @Override 7081 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7082 if (!mHasFeature) { 7083 return false; 7084 } 7085 Preconditions.checkNotNull(who, "ComponentName is null"); 7086 7087 // TODO When InputMethodManager supports per user calls remove 7088 // this restriction. 7089 if (!checkCallerIsCurrentUserOrProfile()) { 7090 return false; 7091 } 7092 7093 if (packageList != null) { 7094 // InputMethodManager fetches input methods for current user. 7095 // So this can only be set when calling user is the current user 7096 // or parent is current user in case of managed profiles. 7097 InputMethodManager inputMethodManager = 7098 mContext.getSystemService(InputMethodManager.class); 7099 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7100 7101 if (enabledImes != null) { 7102 List<String> enabledPackages = new ArrayList<String>(); 7103 for (InputMethodInfo ime : enabledImes) { 7104 enabledPackages.add(ime.getPackageName()); 7105 } 7106 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7107 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7108 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7109 + "because it contains already enabled input method."); 7110 return false; 7111 } 7112 } 7113 } 7114 7115 synchronized (this) { 7116 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7117 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7118 admin.permittedInputMethods = packageList; 7119 saveSettingsLocked(UserHandle.getCallingUserId()); 7120 } 7121 return true; 7122 } 7123 7124 @Override 7125 public List getPermittedInputMethods(ComponentName who) { 7126 if (!mHasFeature) { 7127 return null; 7128 } 7129 Preconditions.checkNotNull(who, "ComponentName is null"); 7130 7131 synchronized (this) { 7132 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7133 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7134 return admin.permittedInputMethods; 7135 } 7136 } 7137 7138 @Override 7139 public List getPermittedInputMethodsForCurrentUser() { 7140 UserInfo currentUser; 7141 try { 7142 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7143 } catch (RemoteException e) { 7144 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7145 // Activity managed is dead, just allow all IMEs 7146 return null; 7147 } 7148 7149 int userId = currentUser.id; 7150 synchronized (this) { 7151 List<String> result = null; 7152 // If we have multiple profiles we return the intersection of the 7153 // permitted lists. This can happen in cases where we have a device 7154 // and profile owner. 7155 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7156 for (int profileId : profileIds) { 7157 // Just loop though all admins, only device or profiles 7158 // owners can have permitted lists set. 7159 DevicePolicyData policy = getUserDataUnchecked(profileId); 7160 final int N = policy.mAdminList.size(); 7161 for (int j = 0; j < N; j++) { 7162 ActiveAdmin admin = policy.mAdminList.get(j); 7163 List<String> fromAdmin = admin.permittedInputMethods; 7164 if (fromAdmin != null) { 7165 if (result == null) { 7166 result = new ArrayList<String>(fromAdmin); 7167 } else { 7168 result.retainAll(fromAdmin); 7169 } 7170 } 7171 } 7172 } 7173 7174 // If we have a permitted list add all system input methods. 7175 if (result != null) { 7176 InputMethodManager inputMethodManager = 7177 mContext.getSystemService(InputMethodManager.class); 7178 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7179 long id = mInjector.binderClearCallingIdentity(); 7180 try { 7181 if (imes != null) { 7182 for (InputMethodInfo ime : imes) { 7183 ServiceInfo serviceInfo = ime.getServiceInfo(); 7184 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7185 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7186 result.add(serviceInfo.packageName); 7187 } 7188 } 7189 } 7190 } finally { 7191 mInjector.binderRestoreCallingIdentity(id); 7192 } 7193 } 7194 return result; 7195 } 7196 } 7197 7198 @Override 7199 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7200 int userHandle) { 7201 if (!mHasFeature) { 7202 return true; 7203 } 7204 Preconditions.checkNotNull(who, "ComponentName is null"); 7205 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7206 if (!isCallerWithSystemUid()) { 7207 throw new SecurityException( 7208 "Only the system can query if an input method is disabled by admin"); 7209 } 7210 synchronized (this) { 7211 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7212 if (admin == null) { 7213 return false; 7214 } 7215 if (admin.permittedInputMethods == null) { 7216 return true; 7217 } 7218 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7219 admin.permittedInputMethods, userHandle); 7220 } 7221 } 7222 7223 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7224 DevicePolicyData policyData = getUserData(userHandle); 7225 if (policyData.mAdminBroadcastPending) { 7226 // Send the initialization data to profile owner and delete the data 7227 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7228 if (admin != null) { 7229 PersistableBundle initBundle = policyData.mInitBundle; 7230 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7231 initBundle == null ? null : new Bundle(initBundle), null); 7232 } 7233 policyData.mInitBundle = null; 7234 policyData.mAdminBroadcastPending = false; 7235 saveSettingsLocked(userHandle); 7236 } 7237 } 7238 7239 @Override 7240 public UserHandle createAndManageUser(ComponentName admin, String name, 7241 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7242 Preconditions.checkNotNull(admin, "admin is null"); 7243 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7244 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7245 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7246 + admin + " are not in the same package"); 7247 } 7248 // Only allow the system user to use this method 7249 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7250 throw new SecurityException("createAndManageUser was called from non-system user"); 7251 } 7252 if (!mInjector.userManagerIsSplitSystemUser() 7253 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7254 throw new IllegalArgumentException( 7255 "Ephemeral users are only supported on systems with a split system user."); 7256 } 7257 // Create user. 7258 UserHandle user = null; 7259 synchronized (this) { 7260 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7261 7262 final long id = mInjector.binderClearCallingIdentity(); 7263 try { 7264 int userInfoFlags = 0; 7265 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7266 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7267 } 7268 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7269 userInfoFlags); 7270 if (userInfo != null) { 7271 user = userInfo.getUserHandle(); 7272 } 7273 } finally { 7274 mInjector.binderRestoreCallingIdentity(id); 7275 } 7276 } 7277 if (user == null) { 7278 return null; 7279 } 7280 // Set admin. 7281 final long id = mInjector.binderClearCallingIdentity(); 7282 try { 7283 final String adminPkg = admin.getPackageName(); 7284 7285 final int userHandle = user.getIdentifier(); 7286 try { 7287 // Install the profile owner if not present. 7288 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7289 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 7290 } 7291 } catch (RemoteException e) { 7292 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7293 + "removing created user", e); 7294 mUserManager.removeUser(user.getIdentifier()); 7295 return null; 7296 } 7297 7298 setActiveAdmin(profileOwner, true, userHandle); 7299 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7300 // So we store adminExtras for broadcasting when the user starts for first time. 7301 synchronized(this) { 7302 DevicePolicyData policyData = getUserData(userHandle); 7303 policyData.mInitBundle = adminExtras; 7304 policyData.mAdminBroadcastPending = true; 7305 saveSettingsLocked(userHandle); 7306 } 7307 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7308 setProfileOwner(profileOwner, ownerName, userHandle); 7309 7310 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7311 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7312 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7313 } 7314 7315 return user; 7316 } finally { 7317 mInjector.binderRestoreCallingIdentity(id); 7318 } 7319 } 7320 7321 @Override 7322 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7323 Preconditions.checkNotNull(who, "ComponentName is null"); 7324 synchronized (this) { 7325 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7326 7327 long id = mInjector.binderClearCallingIdentity(); 7328 try { 7329 return mUserManager.removeUser(userHandle.getIdentifier()); 7330 } finally { 7331 mInjector.binderRestoreCallingIdentity(id); 7332 } 7333 } 7334 } 7335 7336 @Override 7337 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7338 Preconditions.checkNotNull(who, "ComponentName is null"); 7339 synchronized (this) { 7340 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7341 7342 long id = mInjector.binderClearCallingIdentity(); 7343 try { 7344 int userId = UserHandle.USER_SYSTEM; 7345 if (userHandle != null) { 7346 userId = userHandle.getIdentifier(); 7347 } 7348 return mInjector.getIActivityManager().switchUser(userId); 7349 } catch (RemoteException e) { 7350 Log.e(LOG_TAG, "Couldn't switch user", e); 7351 return false; 7352 } finally { 7353 mInjector.binderRestoreCallingIdentity(id); 7354 } 7355 } 7356 } 7357 7358 @Override 7359 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7360 enforceCanManageApplicationRestrictions(who); 7361 7362 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7363 final long id = mInjector.binderClearCallingIdentity(); 7364 try { 7365 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7366 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7367 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7368 return bundle != null ? bundle : Bundle.EMPTY; 7369 } finally { 7370 mInjector.binderRestoreCallingIdentity(id); 7371 } 7372 } 7373 7374 @Override 7375 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7376 boolean suspended) { 7377 Preconditions.checkNotNull(who, "ComponentName is null"); 7378 int callingUserId = UserHandle.getCallingUserId(); 7379 synchronized (this) { 7380 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7381 7382 long id = mInjector.binderClearCallingIdentity(); 7383 try { 7384 return mIPackageManager.setPackagesSuspendedAsUser( 7385 packageNames, suspended, callingUserId); 7386 } catch (RemoteException re) { 7387 // Shouldn't happen. 7388 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7389 } finally { 7390 mInjector.binderRestoreCallingIdentity(id); 7391 } 7392 return packageNames; 7393 } 7394 } 7395 7396 @Override 7397 public boolean isPackageSuspended(ComponentName who, String packageName) { 7398 Preconditions.checkNotNull(who, "ComponentName is null"); 7399 int callingUserId = UserHandle.getCallingUserId(); 7400 synchronized (this) { 7401 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7402 7403 long id = mInjector.binderClearCallingIdentity(); 7404 try { 7405 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7406 } catch (RemoteException re) { 7407 // Shouldn't happen. 7408 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7409 } finally { 7410 mInjector.binderRestoreCallingIdentity(id); 7411 } 7412 return false; 7413 } 7414 } 7415 7416 @Override 7417 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7418 Preconditions.checkNotNull(who, "ComponentName is null"); 7419 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7420 return; 7421 } 7422 7423 final int userHandle = mInjector.userHandleGetCallingUserId(); 7424 synchronized (this) { 7425 ActiveAdmin activeAdmin = 7426 getActiveAdminForCallerLocked(who, 7427 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7428 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7429 if (isDeviceOwner) { 7430 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7431 throw new SecurityException("Device owner cannot set user restriction " + key); 7432 } 7433 } else { // profile owner 7434 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7435 throw new SecurityException("Profile owner cannot set user restriction " + key); 7436 } 7437 } 7438 7439 // Save the restriction to ActiveAdmin. 7440 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 7441 saveSettingsLocked(userHandle); 7442 7443 pushUserRestrictions(userHandle); 7444 7445 sendChangedNotification(userHandle); 7446 } 7447 } 7448 7449 private void pushUserRestrictions(int userId) { 7450 synchronized (this) { 7451 final Bundle global; 7452 final Bundle local = new Bundle(); 7453 if (mOwners.isDeviceOwnerUserId(userId)) { 7454 global = new Bundle(); 7455 7456 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7457 if (deviceOwner == null) { 7458 return; // Shouldn't happen. 7459 } 7460 7461 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 7462 global, local); 7463 // DO can disable camera globally. 7464 if (deviceOwner.disableCamera) { 7465 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 7466 } 7467 } else { 7468 global = null; 7469 7470 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7471 if (profileOwner != null) { 7472 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7473 } 7474 } 7475 // Also merge in *local* camera restriction. 7476 if (getCameraDisabled(/* who= */ null, 7477 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7478 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7479 } 7480 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7481 } 7482 } 7483 7484 @Override 7485 public Bundle getUserRestrictions(ComponentName who) { 7486 if (!mHasFeature) { 7487 return null; 7488 } 7489 Preconditions.checkNotNull(who, "ComponentName is null"); 7490 synchronized (this) { 7491 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7492 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7493 return activeAdmin.userRestrictions; 7494 } 7495 } 7496 7497 @Override 7498 public boolean setApplicationHidden(ComponentName who, String packageName, 7499 boolean hidden) { 7500 Preconditions.checkNotNull(who, "ComponentName is null"); 7501 int callingUserId = UserHandle.getCallingUserId(); 7502 synchronized (this) { 7503 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7504 7505 long id = mInjector.binderClearCallingIdentity(); 7506 try { 7507 return mIPackageManager.setApplicationHiddenSettingAsUser( 7508 packageName, hidden, callingUserId); 7509 } catch (RemoteException re) { 7510 // shouldn't happen 7511 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7512 } finally { 7513 mInjector.binderRestoreCallingIdentity(id); 7514 } 7515 return false; 7516 } 7517 } 7518 7519 @Override 7520 public boolean isApplicationHidden(ComponentName who, String packageName) { 7521 Preconditions.checkNotNull(who, "ComponentName is null"); 7522 int callingUserId = UserHandle.getCallingUserId(); 7523 synchronized (this) { 7524 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7525 7526 long id = mInjector.binderClearCallingIdentity(); 7527 try { 7528 return mIPackageManager.getApplicationHiddenSettingAsUser( 7529 packageName, callingUserId); 7530 } catch (RemoteException re) { 7531 // shouldn't happen 7532 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7533 } finally { 7534 mInjector.binderRestoreCallingIdentity(id); 7535 } 7536 return false; 7537 } 7538 } 7539 7540 @Override 7541 public void enableSystemApp(ComponentName who, String packageName) { 7542 Preconditions.checkNotNull(who, "ComponentName is null"); 7543 synchronized (this) { 7544 // This API can only be called by an active device admin, 7545 // so try to retrieve it to check that the caller is one. 7546 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7547 7548 int userId = UserHandle.getCallingUserId(); 7549 long id = mInjector.binderClearCallingIdentity(); 7550 7551 try { 7552 if (VERBOSE_LOG) { 7553 Slog.v(LOG_TAG, "installing " + packageName + " for " 7554 + userId); 7555 } 7556 7557 int parentUserId = getProfileParentId(userId); 7558 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7559 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7560 } 7561 7562 // Install the app. 7563 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7564 7565 } catch (RemoteException re) { 7566 // shouldn't happen 7567 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7568 } finally { 7569 mInjector.binderRestoreCallingIdentity(id); 7570 } 7571 } 7572 } 7573 7574 @Override 7575 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7576 Preconditions.checkNotNull(who, "ComponentName is null"); 7577 synchronized (this) { 7578 // This API can only be called by an active device admin, 7579 // so try to retrieve it to check that the caller is one. 7580 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7581 7582 int userId = UserHandle.getCallingUserId(); 7583 long id = mInjector.binderClearCallingIdentity(); 7584 7585 try { 7586 int parentUserId = getProfileParentId(userId); 7587 List<ResolveInfo> activitiesToEnable = mIPackageManager 7588 .queryIntentActivities(intent, 7589 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7590 PackageManager.MATCH_DIRECT_BOOT_AWARE 7591 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7592 parentUserId) 7593 .getList(); 7594 7595 if (VERBOSE_LOG) { 7596 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7597 } 7598 int numberOfAppsInstalled = 0; 7599 if (activitiesToEnable != null) { 7600 for (ResolveInfo info : activitiesToEnable) { 7601 if (info.activityInfo != null) { 7602 String packageName = info.activityInfo.packageName; 7603 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7604 numberOfAppsInstalled++; 7605 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7606 } else { 7607 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7608 + " system app"); 7609 } 7610 } 7611 } 7612 } 7613 return numberOfAppsInstalled; 7614 } catch (RemoteException e) { 7615 // shouldn't happen 7616 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7617 return 0; 7618 } finally { 7619 mInjector.binderRestoreCallingIdentity(id); 7620 } 7621 } 7622 } 7623 7624 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7625 throws RemoteException { 7626 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 7627 userId); 7628 if (appInfo == null) { 7629 throw new IllegalArgumentException("The application " + packageName + 7630 " is not present on this device"); 7631 } 7632 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7633 } 7634 7635 @Override 7636 public void setAccountManagementDisabled(ComponentName who, String accountType, 7637 boolean disabled) { 7638 if (!mHasFeature) { 7639 return; 7640 } 7641 Preconditions.checkNotNull(who, "ComponentName is null"); 7642 synchronized (this) { 7643 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7644 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7645 if (disabled) { 7646 ap.accountTypesWithManagementDisabled.add(accountType); 7647 } else { 7648 ap.accountTypesWithManagementDisabled.remove(accountType); 7649 } 7650 saveSettingsLocked(UserHandle.getCallingUserId()); 7651 } 7652 } 7653 7654 @Override 7655 public String[] getAccountTypesWithManagementDisabled() { 7656 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7657 } 7658 7659 @Override 7660 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7661 enforceFullCrossUsersPermission(userId); 7662 if (!mHasFeature) { 7663 return null; 7664 } 7665 synchronized (this) { 7666 DevicePolicyData policy = getUserData(userId); 7667 final int N = policy.mAdminList.size(); 7668 ArraySet<String> resultSet = new ArraySet<>(); 7669 for (int i = 0; i < N; i++) { 7670 ActiveAdmin admin = policy.mAdminList.get(i); 7671 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7672 } 7673 return resultSet.toArray(new String[resultSet.size()]); 7674 } 7675 } 7676 7677 @Override 7678 public void setUninstallBlocked(ComponentName who, String packageName, 7679 boolean uninstallBlocked) { 7680 Preconditions.checkNotNull(who, "ComponentName is null"); 7681 final int userId = UserHandle.getCallingUserId(); 7682 synchronized (this) { 7683 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7684 7685 long id = mInjector.binderClearCallingIdentity(); 7686 try { 7687 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7688 } catch (RemoteException re) { 7689 // Shouldn't happen. 7690 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7691 } finally { 7692 mInjector.binderRestoreCallingIdentity(id); 7693 } 7694 } 7695 } 7696 7697 @Override 7698 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7699 // This function should return true if and only if the package is blocked by 7700 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7701 // when the package is a system app, or when it is an active device admin. 7702 final int userId = UserHandle.getCallingUserId(); 7703 7704 synchronized (this) { 7705 if (who != null) { 7706 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7707 } 7708 7709 long id = mInjector.binderClearCallingIdentity(); 7710 try { 7711 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7712 } catch (RemoteException re) { 7713 // Shouldn't happen. 7714 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7715 } finally { 7716 mInjector.binderRestoreCallingIdentity(id); 7717 } 7718 } 7719 return false; 7720 } 7721 7722 @Override 7723 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7724 if (!mHasFeature) { 7725 return; 7726 } 7727 Preconditions.checkNotNull(who, "ComponentName is null"); 7728 synchronized (this) { 7729 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7730 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7731 if (admin.disableCallerId != disabled) { 7732 admin.disableCallerId = disabled; 7733 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7734 } 7735 } 7736 } 7737 7738 @Override 7739 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7740 if (!mHasFeature) { 7741 return false; 7742 } 7743 Preconditions.checkNotNull(who, "ComponentName is null"); 7744 synchronized (this) { 7745 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7746 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7747 return admin.disableCallerId; 7748 } 7749 } 7750 7751 @Override 7752 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 7753 enforceCrossUsersPermission(userId); 7754 synchronized (this) { 7755 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7756 return (admin != null) ? admin.disableCallerId : false; 7757 } 7758 } 7759 7760 @Override 7761 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 7762 if (!mHasFeature) { 7763 return; 7764 } 7765 Preconditions.checkNotNull(who, "ComponentName is null"); 7766 synchronized (this) { 7767 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7768 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7769 if (admin.disableContactsSearch != disabled) { 7770 admin.disableContactsSearch = disabled; 7771 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7772 } 7773 } 7774 } 7775 7776 @Override 7777 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 7778 if (!mHasFeature) { 7779 return false; 7780 } 7781 Preconditions.checkNotNull(who, "ComponentName is null"); 7782 synchronized (this) { 7783 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7784 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7785 return admin.disableContactsSearch; 7786 } 7787 } 7788 7789 @Override 7790 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 7791 enforceCrossUsersPermission(userId); 7792 synchronized (this) { 7793 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7794 return (admin != null) ? admin.disableContactsSearch : false; 7795 } 7796 } 7797 7798 @Override 7799 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 7800 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 7801 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 7802 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 7803 final int callingUserId = UserHandle.getCallingUserId(); 7804 7805 final long ident = mInjector.binderClearCallingIdentity(); 7806 try { 7807 synchronized (this) { 7808 final int managedUserId = getManagedUserId(callingUserId); 7809 if (managedUserId < 0) { 7810 return; 7811 } 7812 if (isCrossProfileQuickContactDisabled(managedUserId)) { 7813 if (VERBOSE_LOG) { 7814 Log.v(LOG_TAG, 7815 "Cross-profile contacts access disabled for user " + managedUserId); 7816 } 7817 return; 7818 } 7819 ContactsInternal.startQuickContactWithErrorToastForUser( 7820 mContext, intent, new UserHandle(managedUserId)); 7821 } 7822 } finally { 7823 mInjector.binderRestoreCallingIdentity(ident); 7824 } 7825 } 7826 7827 /** 7828 * @return true if cross-profile QuickContact is disabled 7829 */ 7830 private boolean isCrossProfileQuickContactDisabled(int userId) { 7831 return getCrossProfileCallerIdDisabledForUser(userId) 7832 && getCrossProfileContactsSearchDisabledForUser(userId); 7833 } 7834 7835 /** 7836 * @return the user ID of the managed user that is linked to the current user, if any. 7837 * Otherwise -1. 7838 */ 7839 public int getManagedUserId(int callingUserId) { 7840 if (VERBOSE_LOG) { 7841 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 7842 } 7843 7844 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 7845 if (ui.id == callingUserId || !ui.isManagedProfile()) { 7846 continue; // Caller user self, or not a managed profile. Skip. 7847 } 7848 if (VERBOSE_LOG) { 7849 Log.v(LOG_TAG, "Managed user=" + ui.id); 7850 } 7851 return ui.id; 7852 } 7853 if (VERBOSE_LOG) { 7854 Log.v(LOG_TAG, "Managed user not found."); 7855 } 7856 return -1; 7857 } 7858 7859 @Override 7860 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 7861 if (!mHasFeature) { 7862 return; 7863 } 7864 Preconditions.checkNotNull(who, "ComponentName is null"); 7865 synchronized (this) { 7866 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7867 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7868 if (admin.disableBluetoothContactSharing != disabled) { 7869 admin.disableBluetoothContactSharing = disabled; 7870 saveSettingsLocked(UserHandle.getCallingUserId()); 7871 } 7872 } 7873 } 7874 7875 @Override 7876 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 7877 if (!mHasFeature) { 7878 return false; 7879 } 7880 Preconditions.checkNotNull(who, "ComponentName is null"); 7881 synchronized (this) { 7882 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7883 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7884 return admin.disableBluetoothContactSharing; 7885 } 7886 } 7887 7888 @Override 7889 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 7890 // TODO: Should there be a check to make sure this relationship is 7891 // within a profile group? 7892 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 7893 synchronized (this) { 7894 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7895 return (admin != null) ? admin.disableBluetoothContactSharing : false; 7896 } 7897 } 7898 7899 /** 7900 * Sets which packages may enter lock task mode. 7901 * 7902 * <p>This function can only be called by the device owner or alternatively by the profile owner 7903 * in case the user is affiliated. 7904 * 7905 * @param packages The list of packages allowed to enter lock task mode. 7906 */ 7907 @Override 7908 public void setLockTaskPackages(ComponentName who, String[] packages) 7909 throws SecurityException { 7910 Preconditions.checkNotNull(who, "ComponentName is null"); 7911 synchronized (this) { 7912 ActiveAdmin deviceOwner = getActiveAdminWithPolicyForUidLocked( 7913 who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, mInjector.binderGetCallingUid()); 7914 ActiveAdmin profileOwner = getActiveAdminWithPolicyForUidLocked( 7915 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()); 7916 if (deviceOwner != null || (profileOwner != null && isAffiliatedUser())) { 7917 int userHandle = mInjector.userHandleGetCallingUserId(); 7918 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 7919 } else { 7920 throw new SecurityException("Admin " + who + 7921 " is neither the device owner or affiliated user's profile owner."); 7922 } 7923 } 7924 } 7925 7926 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 7927 DevicePolicyData policy = getUserData(userHandle); 7928 policy.mLockTaskPackages = packages; 7929 7930 // Store the settings persistently. 7931 saveSettingsLocked(userHandle); 7932 updateLockTaskPackagesLocked(packages, userHandle); 7933 } 7934 7935 /** 7936 * This function returns the list of components allowed to start the task lock mode. 7937 */ 7938 @Override 7939 public String[] getLockTaskPackages(ComponentName who) { 7940 Preconditions.checkNotNull(who, "ComponentName is null"); 7941 synchronized (this) { 7942 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7943 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 7944 final List<String> packages = getLockTaskPackagesLocked(userHandle); 7945 return packages.toArray(new String[packages.size()]); 7946 } 7947 } 7948 7949 private List<String> getLockTaskPackagesLocked(int userHandle) { 7950 final DevicePolicyData policy = getUserData(userHandle); 7951 return policy.mLockTaskPackages; 7952 } 7953 7954 /** 7955 * This function lets the caller know whether the given package is allowed to start the 7956 * lock task mode. 7957 * @param pkg The package to check 7958 */ 7959 @Override 7960 public boolean isLockTaskPermitted(String pkg) { 7961 // Get current user's devicepolicy 7962 int uid = mInjector.binderGetCallingUid(); 7963 int userHandle = UserHandle.getUserId(uid); 7964 DevicePolicyData policy = getUserData(userHandle); 7965 synchronized (this) { 7966 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 7967 String lockTaskPackage = policy.mLockTaskPackages.get(i); 7968 7969 // If the given package equals one of the packages stored our list, 7970 // we allow this package to start lock task mode. 7971 if (lockTaskPackage.equals(pkg)) { 7972 return true; 7973 } 7974 } 7975 } 7976 return false; 7977 } 7978 7979 @Override 7980 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 7981 if (!isCallerWithSystemUid()) { 7982 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 7983 } 7984 synchronized (this) { 7985 final DevicePolicyData policy = getUserData(userHandle); 7986 Bundle adminExtras = new Bundle(); 7987 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 7988 for (ActiveAdmin admin : policy.mAdminList) { 7989 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 7990 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 7991 if (ownsDevice || ownsProfile) { 7992 if (isEnabled) { 7993 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 7994 adminExtras, null); 7995 } else { 7996 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 7997 } 7998 } 7999 } 8000 } 8001 } 8002 8003 @Override 8004 public void setGlobalSetting(ComponentName who, String setting, String value) { 8005 Preconditions.checkNotNull(who, "ComponentName is null"); 8006 8007 synchronized (this) { 8008 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8009 8010 // Some settings are no supported any more. However we do not want to throw a 8011 // SecurityException to avoid breaking apps. 8012 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8013 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8014 return; 8015 } 8016 8017 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8018 throw new SecurityException(String.format( 8019 "Permission denial: device owners cannot update %1$s", setting)); 8020 } 8021 8022 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8023 // ignore if it contradicts an existing policy 8024 long timeMs = getMaximumTimeToLock( 8025 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8026 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8027 return; 8028 } 8029 } 8030 8031 long id = mInjector.binderClearCallingIdentity(); 8032 try { 8033 mInjector.settingsGlobalPutString(setting, value); 8034 } finally { 8035 mInjector.binderRestoreCallingIdentity(id); 8036 } 8037 } 8038 } 8039 8040 @Override 8041 public void setSecureSetting(ComponentName who, String setting, String value) { 8042 Preconditions.checkNotNull(who, "ComponentName is null"); 8043 int callingUserId = mInjector.userHandleGetCallingUserId(); 8044 8045 synchronized (this) { 8046 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8047 8048 if (isDeviceOwner(who, callingUserId)) { 8049 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8050 throw new SecurityException(String.format( 8051 "Permission denial: Device owners cannot update %1$s", setting)); 8052 } 8053 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8054 throw new SecurityException(String.format( 8055 "Permission denial: Profile owners cannot update %1$s", setting)); 8056 } 8057 8058 long id = mInjector.binderClearCallingIdentity(); 8059 try { 8060 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8061 } finally { 8062 mInjector.binderRestoreCallingIdentity(id); 8063 } 8064 } 8065 } 8066 8067 @Override 8068 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8069 Preconditions.checkNotNull(who, "ComponentName is null"); 8070 synchronized (this) { 8071 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8072 setUserRestriction(who, UserManager.DISALLLOW_UNMUTE_DEVICE, on); 8073 } 8074 } 8075 8076 @Override 8077 public boolean isMasterVolumeMuted(ComponentName who) { 8078 Preconditions.checkNotNull(who, "ComponentName is null"); 8079 synchronized (this) { 8080 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8081 8082 AudioManager audioManager = 8083 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8084 return audioManager.isMasterMute(); 8085 } 8086 } 8087 8088 @Override 8089 public void setUserIcon(ComponentName who, Bitmap icon) { 8090 synchronized (this) { 8091 Preconditions.checkNotNull(who, "ComponentName is null"); 8092 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8093 8094 int userId = UserHandle.getCallingUserId(); 8095 long id = mInjector.binderClearCallingIdentity(); 8096 try { 8097 mUserManagerInternal.setUserIcon(userId, icon); 8098 } finally { 8099 mInjector.binderRestoreCallingIdentity(id); 8100 } 8101 } 8102 } 8103 8104 @Override 8105 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8106 Preconditions.checkNotNull(who, "ComponentName is null"); 8107 synchronized (this) { 8108 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8109 } 8110 final int userId = UserHandle.getCallingUserId(); 8111 8112 long ident = mInjector.binderClearCallingIdentity(); 8113 try { 8114 // disallow disabling the keyguard if a password is currently set 8115 if (disabled && mLockPatternUtils.isSecure(userId)) { 8116 return false; 8117 } 8118 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8119 } finally { 8120 mInjector.binderRestoreCallingIdentity(ident); 8121 } 8122 return true; 8123 } 8124 8125 @Override 8126 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8127 int userId = UserHandle.getCallingUserId(); 8128 synchronized (this) { 8129 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8130 DevicePolicyData policy = getUserData(userId); 8131 if (policy.mStatusBarDisabled != disabled) { 8132 if (!setStatusBarDisabledInternal(disabled, userId)) { 8133 return false; 8134 } 8135 policy.mStatusBarDisabled = disabled; 8136 saveSettingsLocked(userId); 8137 } 8138 } 8139 return true; 8140 } 8141 8142 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8143 long ident = mInjector.binderClearCallingIdentity(); 8144 try { 8145 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8146 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8147 if (statusBarService != null) { 8148 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8149 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8150 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8151 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8152 return true; 8153 } 8154 } catch (RemoteException e) { 8155 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8156 } finally { 8157 mInjector.binderRestoreCallingIdentity(ident); 8158 } 8159 return false; 8160 } 8161 8162 /** 8163 * We need to update the internal state of whether a user has completed setup once. After 8164 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 8165 * as we don't trust any apps that might try to reset it. 8166 * <p> 8167 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8168 * them. 8169 */ 8170 void updateUserSetupComplete() { 8171 List<UserInfo> users = mUserManager.getUsers(true); 8172 final int N = users.size(); 8173 for (int i = 0; i < N; i++) { 8174 int userHandle = users.get(i).id; 8175 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8176 userHandle) != 0) { 8177 DevicePolicyData policy = getUserData(userHandle); 8178 if (!policy.mUserSetupComplete) { 8179 policy.mUserSetupComplete = true; 8180 synchronized (this) { 8181 saveSettingsLocked(userHandle); 8182 } 8183 } 8184 } 8185 } 8186 } 8187 8188 private class SetupContentObserver extends ContentObserver { 8189 8190 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8191 Settings.Secure.USER_SETUP_COMPLETE); 8192 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8193 Settings.Global.DEVICE_PROVISIONED); 8194 8195 public SetupContentObserver(Handler handler) { 8196 super(handler); 8197 } 8198 8199 void register() { 8200 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8201 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8202 } 8203 8204 @Override 8205 public void onChange(boolean selfChange, Uri uri) { 8206 if (mUserSetupComplete.equals(uri)) { 8207 updateUserSetupComplete(); 8208 } else if (mDeviceProvisioned.equals(uri)) { 8209 synchronized (DevicePolicyManagerService.this) { 8210 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8211 // is delayed until device is marked as provisioned. 8212 setDeviceOwnerSystemPropertyLocked(); 8213 } 8214 } 8215 } 8216 } 8217 8218 @VisibleForTesting 8219 final class LocalService extends DevicePolicyManagerInternal { 8220 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8221 8222 @Override 8223 public List<String> getCrossProfileWidgetProviders(int profileId) { 8224 synchronized (DevicePolicyManagerService.this) { 8225 if (mOwners == null) { 8226 return Collections.emptyList(); 8227 } 8228 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8229 if (ownerComponent == null) { 8230 return Collections.emptyList(); 8231 } 8232 8233 DevicePolicyData policy = getUserDataUnchecked(profileId); 8234 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8235 8236 if (admin == null || admin.crossProfileWidgetProviders == null 8237 || admin.crossProfileWidgetProviders.isEmpty()) { 8238 return Collections.emptyList(); 8239 } 8240 8241 return admin.crossProfileWidgetProviders; 8242 } 8243 } 8244 8245 @Override 8246 public void addOnCrossProfileWidgetProvidersChangeListener( 8247 OnCrossProfileWidgetProvidersChangeListener listener) { 8248 synchronized (DevicePolicyManagerService.this) { 8249 if (mWidgetProviderListeners == null) { 8250 mWidgetProviderListeners = new ArrayList<>(); 8251 } 8252 if (!mWidgetProviderListeners.contains(listener)) { 8253 mWidgetProviderListeners.add(listener); 8254 } 8255 } 8256 } 8257 8258 @Override 8259 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8260 synchronized(DevicePolicyManagerService.this) { 8261 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8262 } 8263 } 8264 8265 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8266 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8267 synchronized (DevicePolicyManagerService.this) { 8268 listeners = new ArrayList<>(mWidgetProviderListeners); 8269 } 8270 final int listenerCount = listeners.size(); 8271 for (int i = 0; i < listenerCount; i++) { 8272 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8273 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8274 } 8275 } 8276 8277 @Override 8278 public Intent createPackageSuspendedDialogIntent(String packageName, int userId) { 8279 Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8280 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8281 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8282 8283 // This method is called from AM with its lock held, so don't take the DPMS lock. 8284 // b/29242568 8285 8286 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8287 if (profileOwner != null) { 8288 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, profileOwner); 8289 return intent; 8290 } 8291 8292 final Pair<Integer, ComponentName> deviceOwner = 8293 mOwners.getDeviceOwnerUserIdAndComponent(); 8294 if (deviceOwner != null && deviceOwner.first == userId) { 8295 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, deviceOwner.second); 8296 return intent; 8297 } 8298 8299 // We're not specifying the device admin because there isn't one. 8300 return intent; 8301 } 8302 } 8303 8304 /** 8305 * Returns true if specified admin is allowed to limit passwords and has a 8306 * {@code passwordQuality} of at least {@code minPasswordQuality} 8307 */ 8308 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8309 if (admin.passwordQuality < minPasswordQuality) { 8310 return false; 8311 } 8312 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8313 } 8314 8315 @Override 8316 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8317 if (policy != null && !policy.isValid()) { 8318 throw new IllegalArgumentException("Invalid system update policy."); 8319 } 8320 synchronized (this) { 8321 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8322 if (policy == null) { 8323 mOwners.clearSystemUpdatePolicy(); 8324 } else { 8325 mOwners.setSystemUpdatePolicy(policy); 8326 } 8327 mOwners.writeDeviceOwner(); 8328 } 8329 mContext.sendBroadcastAsUser( 8330 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8331 UserHandle.SYSTEM); 8332 } 8333 8334 @Override 8335 public SystemUpdatePolicy getSystemUpdatePolicy() { 8336 if (UserManager.isDeviceInDemoMode(mContext)) { 8337 // Pretending to have an automatic update policy when the device is in retail demo 8338 // mode. This will allow the device to download and install an ota without 8339 // any user interaction. 8340 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 8341 } 8342 synchronized (this) { 8343 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8344 if (policy != null && !policy.isValid()) { 8345 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8346 return null; 8347 } 8348 return policy; 8349 } 8350 } 8351 8352 /** 8353 * Checks if the caller of the method is the device owner app. 8354 * 8355 * @param callerUid UID of the caller. 8356 * @return true if the caller is the device owner app 8357 */ 8358 @VisibleForTesting 8359 boolean isCallerDeviceOwner(int callerUid) { 8360 synchronized (this) { 8361 if (!mOwners.hasDeviceOwner()) { 8362 return false; 8363 } 8364 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8365 return false; 8366 } 8367 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8368 .getPackageName(); 8369 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 8370 8371 for (String pkg : pkgs) { 8372 if (deviceOwnerPackageName.equals(pkg)) { 8373 return true; 8374 } 8375 } 8376 } 8377 8378 return false; 8379 } 8380 8381 @Override 8382 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8383 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8384 "Only the system update service can broadcast update information"); 8385 8386 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8387 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8388 "can broadcast update information."); 8389 return; 8390 } 8391 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8392 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8393 updateReceivedTime); 8394 8395 synchronized (this) { 8396 final String deviceOwnerPackage = 8397 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 8398 : null; 8399 if (deviceOwnerPackage == null) { 8400 return; 8401 } 8402 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 8403 8404 ActivityInfo[] receivers = null; 8405 try { 8406 receivers = mContext.getPackageManager().getPackageInfo( 8407 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 8408 } catch (NameNotFoundException e) { 8409 Log.e(LOG_TAG, "Cannot find device owner package", e); 8410 } 8411 if (receivers != null) { 8412 long ident = mInjector.binderClearCallingIdentity(); 8413 try { 8414 for (int i = 0; i < receivers.length; i++) { 8415 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 8416 intent.setComponent(new ComponentName(deviceOwnerPackage, 8417 receivers[i].name)); 8418 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8419 } 8420 } 8421 } finally { 8422 mInjector.binderRestoreCallingIdentity(ident); 8423 } 8424 } 8425 } 8426 } 8427 8428 @Override 8429 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8430 int userId = UserHandle.getCallingUserId(); 8431 synchronized (this) { 8432 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8433 DevicePolicyData userPolicy = getUserData(userId); 8434 if (userPolicy.mPermissionPolicy != policy) { 8435 userPolicy.mPermissionPolicy = policy; 8436 saveSettingsLocked(userId); 8437 } 8438 } 8439 } 8440 8441 @Override 8442 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8443 int userId = UserHandle.getCallingUserId(); 8444 synchronized (this) { 8445 DevicePolicyData userPolicy = getUserData(userId); 8446 return userPolicy.mPermissionPolicy; 8447 } 8448 } 8449 8450 @Override 8451 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8452 String permission, int grantState) throws RemoteException { 8453 UserHandle user = mInjector.binderGetCallingUserHandle(); 8454 synchronized (this) { 8455 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8456 long ident = mInjector.binderClearCallingIdentity(); 8457 try { 8458 if (getTargetSdk(packageName, user.getIdentifier()) 8459 < android.os.Build.VERSION_CODES.M) { 8460 return false; 8461 } 8462 final PackageManager packageManager = mContext.getPackageManager(); 8463 switch (grantState) { 8464 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8465 packageManager.grantRuntimePermission(packageName, permission, user); 8466 packageManager.updatePermissionFlags(permission, packageName, 8467 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8468 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8469 } break; 8470 8471 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8472 packageManager.revokeRuntimePermission(packageName, 8473 permission, user); 8474 packageManager.updatePermissionFlags(permission, packageName, 8475 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8476 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8477 } break; 8478 8479 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8480 packageManager.updatePermissionFlags(permission, packageName, 8481 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8482 } break; 8483 } 8484 return true; 8485 } catch (SecurityException se) { 8486 return false; 8487 } finally { 8488 mInjector.binderRestoreCallingIdentity(ident); 8489 } 8490 } 8491 } 8492 8493 @Override 8494 public int getPermissionGrantState(ComponentName admin, String packageName, 8495 String permission) throws RemoteException { 8496 PackageManager packageManager = mContext.getPackageManager(); 8497 8498 UserHandle user = mInjector.binderGetCallingUserHandle(); 8499 synchronized (this) { 8500 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8501 long ident = mInjector.binderClearCallingIdentity(); 8502 try { 8503 int granted = mIPackageManager.checkPermission(permission, 8504 packageName, user.getIdentifier()); 8505 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8506 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8507 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8508 // Not controlled by policy 8509 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8510 } else { 8511 // Policy controlled so return result based on permission grant state 8512 return granted == PackageManager.PERMISSION_GRANTED 8513 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8514 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8515 } 8516 } finally { 8517 mInjector.binderRestoreCallingIdentity(ident); 8518 } 8519 } 8520 } 8521 8522 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8523 try { 8524 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8525 userHandle); 8526 return (pi != null) && (pi.applicationInfo.flags != 0); 8527 } catch (RemoteException re) { 8528 throw new RuntimeException("Package manager has died", re); 8529 } 8530 } 8531 8532 @Override 8533 public boolean isProvisioningAllowed(String action) { 8534 if (!mHasFeature) { 8535 return false; 8536 } 8537 8538 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8539 if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) { 8540 if (!hasFeatureManagedUsers()) { 8541 return false; 8542 } 8543 synchronized (this) { 8544 if (mOwners.hasDeviceOwner()) { 8545 if (!mInjector.userManagerIsSplitSystemUser()) { 8546 // Only split-system-user systems support managed-profiles in combination with 8547 // device-owner. 8548 return false; 8549 } 8550 if (mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM) { 8551 // Only system device-owner supports managed-profiles. Non-system device-owner 8552 // doesn't. 8553 return false; 8554 } 8555 if (callingUserId == UserHandle.USER_SYSTEM) { 8556 // Managed-profiles cannot be setup on the system user, only regular users. 8557 return false; 8558 } 8559 } 8560 } 8561 if (getProfileOwner(callingUserId) != null) { 8562 // Managed user cannot have a managed profile. 8563 return false; 8564 } 8565 final long ident = mInjector.binderClearCallingIdentity(); 8566 try { 8567 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, true)) { 8568 return false; 8569 } 8570 } finally { 8571 mInjector.binderRestoreCallingIdentity(ident); 8572 } 8573 return true; 8574 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE.equals(action)) { 8575 return isDeviceOwnerProvisioningAllowed(callingUserId); 8576 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_USER.equals(action)) { 8577 if (!hasFeatureManagedUsers()) { 8578 return false; 8579 } 8580 if (!mInjector.userManagerIsSplitSystemUser()) { 8581 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 8582 return false; 8583 } 8584 if (callingUserId == UserHandle.USER_SYSTEM) { 8585 // System user cannot be a managed user. 8586 return false; 8587 } 8588 if (hasUserSetupCompleted(callingUserId)) { 8589 return false; 8590 } 8591 return true; 8592 } else if (DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE.equals(action)) { 8593 if (!mInjector.userManagerIsSplitSystemUser()) { 8594 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 8595 return false; 8596 } 8597 return isDeviceOwnerProvisioningAllowed(callingUserId); 8598 } 8599 throw new IllegalArgumentException("Unknown provisioning action " + action); 8600 } 8601 8602 /* 8603 * The device owner can only be set before the setup phase of the primary user has completed, 8604 * except for adb command if no accounts or additional users are present on the device. 8605 */ 8606 private synchronized @DeviceOwnerPreConditionCode int checkSetDeviceOwnerPreConditionLocked( 8607 @Nullable ComponentName owner, int deviceOwnerUserId, boolean isAdb) { 8608 if (mOwners.hasDeviceOwner()) { 8609 return CODE_HAS_DEVICE_OWNER; 8610 } 8611 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8612 return CODE_USER_HAS_PROFILE_OWNER; 8613 } 8614 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8615 return CODE_USER_NOT_RUNNING; 8616 } 8617 if (isAdb) { 8618 // if shell command runs after user setup completed check device status. Otherwise, OK. 8619 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8620 if (!mInjector.userManagerIsSplitSystemUser()) { 8621 if (mUserManager.getUserCount() > 1) { 8622 return CODE_NONSYSTEM_USER_EXISTS; 8623 } 8624 if (hasIncompatibleAccountsLocked(UserHandle.USER_SYSTEM, owner)) { 8625 return CODE_ACCOUNTS_NOT_EMPTY; 8626 } 8627 } else { 8628 // STOPSHIP Do proper check in split user mode 8629 } 8630 } 8631 return CODE_OK; 8632 } else { 8633 if (!mInjector.userManagerIsSplitSystemUser()) { 8634 // In non-split user mode, DO has to be user 0 8635 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8636 return CODE_NOT_SYSTEM_USER; 8637 } 8638 // In non-split user mode, only provision DO before setup wizard completes 8639 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8640 return CODE_USER_SETUP_COMPLETED; 8641 } 8642 } else { 8643 // STOPSHIP Do proper check in split user mode 8644 } 8645 return CODE_OK; 8646 } 8647 } 8648 8649 private boolean isDeviceOwnerProvisioningAllowed(int deviceOwnerUserId) { 8650 synchronized (this) { 8651 return CODE_OK == checkSetDeviceOwnerPreConditionLocked( 8652 /* owner unknown */ null, deviceOwnerUserId, /* isAdb */ false); 8653 } 8654 } 8655 8656 private boolean hasFeatureManagedUsers() { 8657 try { 8658 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 8659 } catch (RemoteException e) { 8660 return false; 8661 } 8662 } 8663 8664 @Override 8665 public String getWifiMacAddress(ComponentName admin) { 8666 // Make sure caller has DO. 8667 synchronized (this) { 8668 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8669 } 8670 8671 final long ident = mInjector.binderClearCallingIdentity(); 8672 try { 8673 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 8674 if (wifiInfo == null) { 8675 return null; 8676 } 8677 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 8678 } finally { 8679 mInjector.binderRestoreCallingIdentity(ident); 8680 } 8681 } 8682 8683 /** 8684 * Returns the target sdk version number that the given packageName was built for 8685 * in the given user. 8686 */ 8687 private int getTargetSdk(String packageName, int userId) { 8688 final ApplicationInfo ai; 8689 try { 8690 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 8691 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 8692 return targetSdkVersion; 8693 } catch (RemoteException e) { 8694 // Shouldn't happen 8695 return 0; 8696 } 8697 } 8698 8699 @Override 8700 public boolean isManagedProfile(ComponentName admin) { 8701 synchronized (this) { 8702 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8703 } 8704 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8705 final UserInfo user = getUserInfo(callingUserId); 8706 return user != null && user.isManagedProfile(); 8707 } 8708 8709 @Override 8710 public boolean isSystemOnlyUser(ComponentName admin) { 8711 synchronized (this) { 8712 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8713 } 8714 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8715 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 8716 } 8717 8718 @Override 8719 public void reboot(ComponentName admin) { 8720 Preconditions.checkNotNull(admin); 8721 // Make sure caller has DO. 8722 synchronized (this) { 8723 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8724 } 8725 long ident = mInjector.binderClearCallingIdentity(); 8726 try { 8727 // Make sure there are no ongoing calls on the device. 8728 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 8729 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 8730 } 8731 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 8732 } finally { 8733 mInjector.binderRestoreCallingIdentity(ident); 8734 } 8735 } 8736 8737 @Override 8738 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 8739 if (!mHasFeature) { 8740 return; 8741 } 8742 Preconditions.checkNotNull(who, "ComponentName is null"); 8743 final int userHandle = mInjector.userHandleGetCallingUserId(); 8744 synchronized (this) { 8745 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8746 mInjector.binderGetCallingUid()); 8747 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 8748 admin.shortSupportMessage = message; 8749 saveSettingsLocked(userHandle); 8750 } 8751 } 8752 } 8753 8754 @Override 8755 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 8756 if (!mHasFeature) { 8757 return null; 8758 } 8759 Preconditions.checkNotNull(who, "ComponentName is null"); 8760 synchronized (this) { 8761 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8762 mInjector.binderGetCallingUid()); 8763 return admin.shortSupportMessage; 8764 } 8765 } 8766 8767 @Override 8768 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 8769 if (!mHasFeature) { 8770 return; 8771 } 8772 Preconditions.checkNotNull(who, "ComponentName is null"); 8773 final int userHandle = mInjector.userHandleGetCallingUserId(); 8774 synchronized (this) { 8775 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8776 mInjector.binderGetCallingUid()); 8777 if (!TextUtils.equals(admin.longSupportMessage, message)) { 8778 admin.longSupportMessage = message; 8779 saveSettingsLocked(userHandle); 8780 } 8781 } 8782 } 8783 8784 @Override 8785 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 8786 if (!mHasFeature) { 8787 return null; 8788 } 8789 Preconditions.checkNotNull(who, "ComponentName is null"); 8790 synchronized (this) { 8791 ActiveAdmin admin = getActiveAdminForUidLocked(who, 8792 mInjector.binderGetCallingUid()); 8793 return admin.longSupportMessage; 8794 } 8795 } 8796 8797 @Override 8798 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8799 if (!mHasFeature) { 8800 return null; 8801 } 8802 Preconditions.checkNotNull(who, "ComponentName is null"); 8803 if (!isCallerWithSystemUid()) { 8804 throw new SecurityException("Only the system can query support message for user"); 8805 } 8806 synchronized (this) { 8807 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8808 if (admin != null) { 8809 return admin.shortSupportMessage; 8810 } 8811 } 8812 return null; 8813 } 8814 8815 @Override 8816 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 8817 if (!mHasFeature) { 8818 return null; 8819 } 8820 Preconditions.checkNotNull(who, "ComponentName is null"); 8821 if (!isCallerWithSystemUid()) { 8822 throw new SecurityException("Only the system can query support message for user"); 8823 } 8824 synchronized (this) { 8825 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8826 if (admin != null) { 8827 return admin.longSupportMessage; 8828 } 8829 } 8830 return null; 8831 } 8832 8833 @Override 8834 public void setOrganizationColor(@NonNull ComponentName who, int color) { 8835 if (!mHasFeature) { 8836 return; 8837 } 8838 Preconditions.checkNotNull(who, "ComponentName is null"); 8839 final int userHandle = mInjector.userHandleGetCallingUserId(); 8840 enforceManagedProfile(userHandle, "set organization color"); 8841 synchronized (this) { 8842 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8843 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8844 admin.organizationColor = color; 8845 saveSettingsLocked(userHandle); 8846 } 8847 } 8848 8849 @Override 8850 public void setOrganizationColorForUser(int color, int userId) { 8851 if (!mHasFeature) { 8852 return; 8853 } 8854 enforceFullCrossUsersPermission(userId); 8855 enforceManageUsers(); 8856 enforceManagedProfile(userId, "set organization color"); 8857 synchronized (this) { 8858 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8859 admin.organizationColor = color; 8860 saveSettingsLocked(userId); 8861 } 8862 } 8863 8864 @Override 8865 public int getOrganizationColor(@NonNull ComponentName who) { 8866 if (!mHasFeature) { 8867 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8868 } 8869 Preconditions.checkNotNull(who, "ComponentName is null"); 8870 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 8871 synchronized (this) { 8872 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8873 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8874 return admin.organizationColor; 8875 } 8876 } 8877 8878 @Override 8879 public int getOrganizationColorForUser(int userHandle) { 8880 if (!mHasFeature) { 8881 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 8882 } 8883 enforceFullCrossUsersPermission(userHandle); 8884 enforceManagedProfile(userHandle, "get organization color"); 8885 synchronized (this) { 8886 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8887 return (profileOwner != null) 8888 ? profileOwner.organizationColor 8889 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 8890 } 8891 } 8892 8893 @Override 8894 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 8895 if (!mHasFeature) { 8896 return; 8897 } 8898 Preconditions.checkNotNull(who, "ComponentName is null"); 8899 final int userHandle = mInjector.userHandleGetCallingUserId(); 8900 enforceManagedProfile(userHandle, "set organization name"); 8901 synchronized (this) { 8902 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8903 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8904 if (!TextUtils.equals(admin.organizationName, text)) { 8905 admin.organizationName = (text == null || text.length() == 0) 8906 ? null : text.toString(); 8907 saveSettingsLocked(userHandle); 8908 } 8909 } 8910 } 8911 8912 @Override 8913 public CharSequence getOrganizationName(@NonNull ComponentName who) { 8914 if (!mHasFeature) { 8915 return null; 8916 } 8917 Preconditions.checkNotNull(who, "ComponentName is null"); 8918 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 8919 synchronized(this) { 8920 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8921 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8922 return admin.organizationName; 8923 } 8924 } 8925 8926 @Override 8927 public CharSequence getOrganizationNameForUser(int userHandle) { 8928 if (!mHasFeature) { 8929 return null; 8930 } 8931 enforceFullCrossUsersPermission(userHandle); 8932 enforceManagedProfile(userHandle, "get organization name"); 8933 synchronized (this) { 8934 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 8935 return (profileOwner != null) 8936 ? profileOwner.organizationName 8937 : null; 8938 } 8939 } 8940 8941 @Override 8942 public void setAffiliationIds(ComponentName admin, List<String> ids) { 8943 final Set<String> affiliationIds = new ArraySet<String>(ids); 8944 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8945 8946 synchronized (this) { 8947 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8948 getUserData(callingUserId).mAffiliationIds = affiliationIds; 8949 saveSettingsLocked(callingUserId); 8950 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 8951 // Affiliation ids specified by the device owner are additionally stored in 8952 // UserHandle.USER_SYSTEM's DevicePolicyData. 8953 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 8954 saveSettingsLocked(UserHandle.USER_SYSTEM); 8955 } 8956 } 8957 } 8958 8959 @Override 8960 public boolean isAffiliatedUser() { 8961 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8962 8963 synchronized (this) { 8964 if (mOwners.getDeviceOwnerUserId() == callingUserId) { 8965 // The user that the DO is installed on is always affiliated. 8966 return true; 8967 } 8968 final ComponentName profileOwner = getProfileOwner(callingUserId); 8969 if (profileOwner == null 8970 || !profileOwner.getPackageName().equals(mOwners.getDeviceOwnerPackageName())) { 8971 return false; 8972 } 8973 final Set<String> userAffiliationIds = getUserData(callingUserId).mAffiliationIds; 8974 final Set<String> deviceAffiliationIds = 8975 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 8976 for (String id : userAffiliationIds) { 8977 if (deviceAffiliationIds.contains(id)) { 8978 return true; 8979 } 8980 } 8981 } 8982 return false; 8983 } 8984 8985 private synchronized void disableDeviceOwnerManagedSingleUserFeaturesIfNeeded() { 8986 if (!isDeviceOwnerManagedSingleUserDevice()) { 8987 mInjector.securityLogSetLoggingEnabledProperty(false); 8988 Slog.w(LOG_TAG, "Security logging turned off as it's no longer a single user device."); 8989 if (mOwners.hasDeviceOwner()) { 8990 setBackupServiceEnabledInternal(false); 8991 Slog.w(LOG_TAG, "Backup is off as it's a managed device that has more that one user."); 8992 } 8993 } 8994 } 8995 8996 @Override 8997 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 8998 Preconditions.checkNotNull(admin); 8999 ensureDeviceOwnerManagingSingleUser(admin); 9000 9001 synchronized (this) { 9002 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 9003 return; 9004 } 9005 mInjector.securityLogSetLoggingEnabledProperty(enabled); 9006 if (enabled) { 9007 mSecurityLogMonitor.start(); 9008 } else { 9009 mSecurityLogMonitor.stop(); 9010 } 9011 } 9012 } 9013 9014 @Override 9015 public boolean isSecurityLoggingEnabled(ComponentName admin) { 9016 Preconditions.checkNotNull(admin); 9017 synchronized (this) { 9018 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9019 return mInjector.securityLogGetLoggingEnabledProperty(); 9020 } 9021 } 9022 9023 @Override 9024 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 9025 Preconditions.checkNotNull(admin); 9026 ensureDeviceOwnerManagingSingleUser(admin); 9027 9028 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs)) { 9029 return null; 9030 } 9031 9032 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 9033 try { 9034 SecurityLog.readPreviousEvents(output); 9035 return new ParceledListSlice<SecurityEvent>(output); 9036 } catch (IOException e) { 9037 Slog.w(LOG_TAG, "Fail to read previous events" , e); 9038 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 9039 } 9040 } 9041 9042 @Override 9043 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 9044 Preconditions.checkNotNull(admin); 9045 ensureDeviceOwnerManagingSingleUser(admin); 9046 9047 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 9048 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 9049 } 9050 9051 private void enforceCanManageDeviceAdmin() { 9052 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 9053 null); 9054 } 9055 9056 private void enforceCanManageProfileAndDeviceOwners() { 9057 mContext.enforceCallingOrSelfPermission( 9058 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 9059 } 9060 9061 @Override 9062 public boolean isUninstallInQueue(final String packageName) { 9063 enforceCanManageDeviceAdmin(); 9064 final int userId = mInjector.userHandleGetCallingUserId(); 9065 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9066 synchronized (this) { 9067 return mPackagesToRemove.contains(packageUserPair); 9068 } 9069 } 9070 9071 @Override 9072 public void uninstallPackageWithActiveAdmins(final String packageName) { 9073 enforceCanManageDeviceAdmin(); 9074 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 9075 9076 final int userId = mInjector.userHandleGetCallingUserId(); 9077 9078 enforceUserUnlocked(userId); 9079 9080 final ComponentName profileOwner = getProfileOwner(userId); 9081 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 9082 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 9083 } 9084 9085 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 9086 if (getDeviceOwnerUserId() == userId && deviceOwner != null 9087 && packageName.equals(deviceOwner.getPackageName())) { 9088 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 9089 } 9090 9091 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9092 synchronized (this) { 9093 mPackagesToRemove.add(packageUserPair); 9094 } 9095 9096 // All active admins on the user. 9097 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 9098 9099 // Active admins in the target package. 9100 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 9101 if (allActiveAdmins != null) { 9102 for (ComponentName activeAdmin : allActiveAdmins) { 9103 if (packageName.equals(activeAdmin.getPackageName())) { 9104 packageActiveAdmins.add(activeAdmin); 9105 removeActiveAdmin(activeAdmin, userId); 9106 } 9107 } 9108 } 9109 if (packageActiveAdmins.size() == 0) { 9110 startUninstallIntent(packageName, userId); 9111 } else { 9112 mHandler.postDelayed(new Runnable() { 9113 @Override 9114 public void run() { 9115 for (ComponentName activeAdmin : packageActiveAdmins) { 9116 removeAdminArtifacts(activeAdmin, userId); 9117 } 9118 startUninstallIntent(packageName, userId); 9119 } 9120 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 9121 } 9122 } 9123 9124 @Override 9125 public boolean isDeviceProvisioned() { 9126 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 9127 } 9128 9129 private void removePackageIfRequired(final String packageName, final int userId) { 9130 if (!packageHasActiveAdmins(packageName, userId)) { 9131 // Will not do anything if uninstall was not requested or was already started. 9132 startUninstallIntent(packageName, userId); 9133 } 9134 } 9135 9136 private void startUninstallIntent(final String packageName, final int userId) { 9137 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9138 synchronized (this) { 9139 if (!mPackagesToRemove.contains(packageUserPair)) { 9140 // Do nothing if uninstall was not requested or was already started. 9141 return; 9142 } 9143 mPackagesToRemove.remove(packageUserPair); 9144 } 9145 try { 9146 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 9147 // Package does not exist. Nothing to do. 9148 return; 9149 } 9150 } catch (RemoteException re) { 9151 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 9152 } 9153 9154 try { // force stop the package before uninstalling 9155 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 9156 } catch (RemoteException re) { 9157 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 9158 } 9159 final Uri packageURI = Uri.parse("package:" + packageName); 9160 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9161 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9162 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9163 } 9164 9165 /** 9166 * Removes the admin from the policy. Ideally called after the admin's 9167 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9168 * 9169 * @param adminReceiver The admin to remove 9170 * @param userHandle The user for which this admin has to be removed. 9171 */ 9172 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9173 synchronized (this) { 9174 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9175 if (admin == null) { 9176 return; 9177 } 9178 final DevicePolicyData policy = getUserData(userHandle); 9179 final boolean doProxyCleanup = admin.info.usesPolicy( 9180 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9181 policy.mAdminList.remove(admin); 9182 policy.mAdminMap.remove(adminReceiver); 9183 validatePasswordOwnerLocked(policy); 9184 if (doProxyCleanup) { 9185 resetGlobalProxyLocked(policy); 9186 } 9187 saveSettingsLocked(userHandle); 9188 updateMaximumTimeToLockLocked(userHandle); 9189 policy.mRemovingAdmins.remove(adminReceiver); 9190 9191 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 9192 } 9193 // The removed admin might have disabled camera, so update user 9194 // restrictions. 9195 pushUserRestrictions(userHandle); 9196 } 9197 9198 @Override 9199 public void setDeviceProvisioningConfigApplied() { 9200 enforceManageUsers(); 9201 synchronized (this) { 9202 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9203 policy.mDeviceProvisioningConfigApplied = true; 9204 saveSettingsLocked(UserHandle.USER_SYSTEM); 9205 } 9206 } 9207 9208 @Override 9209 public boolean isDeviceProvisioningConfigApplied() { 9210 enforceManageUsers(); 9211 synchronized (this) { 9212 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9213 return policy.mDeviceProvisioningConfigApplied; 9214 } 9215 } 9216 9217 /** 9218 * Return true if a given user has any accounts that'll prevent installing a device or profile 9219 * owner {@code owner}. 9220 * - If the user has no accounts, then return false. 9221 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 9222 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 9223 * ..._DISALLOWED, return true. 9224 * - Otherwise return false. 9225 */ 9226 private boolean hasIncompatibleAccountsLocked(int userId, @Nullable ComponentName owner) { 9227 final long token = mInjector.binderClearCallingIdentity(); 9228 try { 9229 final AccountManager am = AccountManager.get(mContext); 9230 final Account accounts[] = am.getAccountsAsUser(userId); 9231 if (accounts.length == 0) { 9232 return false; 9233 } 9234 final String[] feature_allow = 9235 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 9236 final String[] feature_disallow = 9237 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 9238 9239 // Even if we find incompatible accounts along the way, we still check all accounts 9240 // for logging. 9241 boolean compatible = true; 9242 for (Account account : accounts) { 9243 if (hasAccountFeatures(am, account, feature_disallow)) { 9244 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 9245 compatible = false; 9246 } 9247 if (!hasAccountFeatures(am, account, feature_allow)) { 9248 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 9249 compatible = false; 9250 } 9251 } 9252 if (compatible) { 9253 Log.w(LOG_TAG, "All accounts are compatible"); 9254 } else { 9255 Log.e(LOG_TAG, "Found incompatible accounts"); 9256 } 9257 9258 // Then check if the owner is test-only. 9259 String log; 9260 if (owner == null) { 9261 // Owner is unknown. Suppose it's not test-only 9262 compatible = false; 9263 log = "Only test-only device/profile owner can be installed with accounts"; 9264 } else if (isAdminTestOnlyLocked(owner, userId)) { 9265 if (compatible) { 9266 log = "Installing test-only owner " + owner; 9267 } else { 9268 log = "Can't install test-only owner " + owner + " with incompatible accounts"; 9269 } 9270 } else { 9271 compatible = false; 9272 log = "Can't install non test-only owner " + owner + " with accounts"; 9273 } 9274 if (compatible) { 9275 Log.w(LOG_TAG, log); 9276 } else { 9277 Log.e(LOG_TAG, log); 9278 } 9279 return !compatible; 9280 } finally { 9281 mInjector.binderRestoreCallingIdentity(token); 9282 } 9283 } 9284 9285 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 9286 try { 9287 return am.hasFeatures(account, features, null, null).getResult(); 9288 } catch (Exception e) { 9289 Log.w(LOG_TAG, "Failed to get account feature", e); 9290 return false; 9291 } 9292 } 9293 9294 @Override 9295 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 9296 Preconditions.checkNotNull(admin); 9297 if (!mHasFeature) { 9298 return; 9299 } 9300 ensureDeviceOwnerManagingSingleUser(admin); 9301 setBackupServiceEnabledInternal(enabled); 9302 } 9303 9304 private synchronized void setBackupServiceEnabledInternal(boolean enabled) { 9305 long ident = mInjector.binderClearCallingIdentity(); 9306 try { 9307 IBackupManager ibm = mInjector.getIBackupManager(); 9308 if (ibm != null) { 9309 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 9310 } 9311 } catch (RemoteException e) { 9312 throw new IllegalStateException( 9313 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 9314 } finally { 9315 mInjector.binderRestoreCallingIdentity(ident); 9316 } 9317 } 9318 9319 @Override 9320 public boolean isBackupServiceEnabled(ComponentName admin) { 9321 Preconditions.checkNotNull(admin); 9322 if (!mHasFeature) { 9323 return true; 9324 } 9325 synchronized (this) { 9326 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9327 try { 9328 IBackupManager ibm = mInjector.getIBackupManager(); 9329 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 9330 } catch (RemoteException e) { 9331 throw new IllegalStateException("Failed requesting backup service state.", e); 9332 } 9333 } 9334 } 9335 } 9336