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.BIND_DEVICE_ADMIN; 20 import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 21 import static android.app.admin.DevicePolicyManager.CODE_ACCOUNTS_NOT_EMPTY; 22 import static android.app.admin.DevicePolicyManager.CODE_ADD_MANAGED_PROFILE_DISALLOWED; 23 import static android.app.admin.DevicePolicyManager.CODE_CANNOT_ADD_MANAGED_PROFILE; 24 import static android.app.admin.DevicePolicyManager.CODE_DEVICE_ADMIN_NOT_SUPPORTED; 25 import static android.app.admin.DevicePolicyManager.CODE_HAS_DEVICE_OWNER; 26 import static android.app.admin.DevicePolicyManager.CODE_HAS_PAIRED; 27 import static android.app.admin.DevicePolicyManager.CODE_MANAGED_USERS_NOT_SUPPORTED; 28 import static android.app.admin.DevicePolicyManager.CODE_NONSYSTEM_USER_EXISTS; 29 import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER; 30 import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER_SPLIT; 31 import static android.app.admin.DevicePolicyManager.CODE_OK; 32 import static android.app.admin.DevicePolicyManager.CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 33 import static android.app.admin.DevicePolicyManager.CODE_SYSTEM_USER; 34 import static android.app.admin.DevicePolicyManager.CODE_USER_HAS_PROFILE_OWNER; 35 import static android.app.admin.DevicePolicyManager.CODE_USER_NOT_RUNNING; 36 import static android.app.admin.DevicePolicyManager.CODE_USER_SETUP_COMPLETED; 37 import static android.app.admin.DevicePolicyManager.DELEGATION_APP_RESTRICTIONS; 38 import static android.app.admin.DevicePolicyManager.DELEGATION_BLOCK_UNINSTALL; 39 import static android.app.admin.DevicePolicyManager.DELEGATION_CERT_INSTALL; 40 import static android.app.admin.DevicePolicyManager.DELEGATION_ENABLE_SYSTEM_APP; 41 import static android.app.admin.DevicePolicyManager.DELEGATION_KEEP_UNINSTALLED_PACKAGES; 42 import static android.app.admin.DevicePolicyManager.DELEGATION_PACKAGE_ACCESS; 43 import static android.app.admin.DevicePolicyManager.DELEGATION_PERMISSION_GRANT; 44 import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 45 import static android.app.admin.DevicePolicyManager.PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 46 import static android.app.admin.DevicePolicyManager.WIPE_EUICC; 47 import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 48 import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 49 import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 50 51 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_ENTRY_POINT_ADB; 52 import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 53 import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 54 import static org.xmlpull.v1.XmlPullParser.END_TAG; 55 import static org.xmlpull.v1.XmlPullParser.TEXT; 56 57 import android.Manifest.permission; 58 import android.accessibilityservice.AccessibilityServiceInfo; 59 import android.accounts.Account; 60 import android.accounts.AccountManager; 61 import android.annotation.NonNull; 62 import android.annotation.Nullable; 63 import android.annotation.UserIdInt; 64 import android.app.Activity; 65 import android.app.ActivityManager; 66 import android.app.ActivityManagerInternal; 67 import android.app.AlarmManager; 68 import android.app.AppGlobals; 69 import android.app.IActivityManager; 70 import android.app.IApplicationThread; 71 import android.app.IServiceConnection; 72 import android.app.Notification; 73 import android.app.NotificationManager; 74 import android.app.PendingIntent; 75 import android.app.StatusBarManager; 76 import android.app.admin.DeviceAdminInfo; 77 import android.app.admin.DeviceAdminReceiver; 78 import android.app.admin.DevicePolicyManager; 79 import android.app.admin.DevicePolicyManagerInternal; 80 import android.app.admin.IDevicePolicyManager; 81 import android.app.admin.NetworkEvent; 82 import android.app.admin.PasswordMetrics; 83 import android.app.admin.SystemUpdateInfo; 84 import android.app.admin.SecurityLog; 85 import android.app.admin.SecurityLog.SecurityEvent; 86 import android.app.admin.SystemUpdatePolicy; 87 import android.app.backup.IBackupManager; 88 import android.app.trust.TrustManager; 89 import android.content.BroadcastReceiver; 90 import android.content.ComponentName; 91 import android.content.Context; 92 import android.content.Intent; 93 import android.content.IntentFilter; 94 import android.content.pm.ActivityInfo; 95 import android.content.pm.ApplicationInfo; 96 import android.content.pm.IPackageManager; 97 import android.content.pm.PackageInfo; 98 import android.content.pm.PackageManager; 99 import android.content.pm.PackageManager.NameNotFoundException; 100 import android.content.pm.PackageManagerInternal; 101 import android.content.pm.ParceledListSlice; 102 import android.content.pm.PermissionInfo; 103 import android.content.pm.ResolveInfo; 104 import android.content.pm.ServiceInfo; 105 import android.content.pm.StringParceledListSlice; 106 import android.content.pm.UserInfo; 107 import android.content.res.Resources; 108 import android.database.ContentObserver; 109 import android.graphics.Bitmap; 110 import android.graphics.Color; 111 import android.media.AudioManager; 112 import android.media.IAudioService; 113 import android.net.ConnectivityManager; 114 import android.net.IIpConnectivityMetrics; 115 import android.net.ProxyInfo; 116 import android.net.Uri; 117 import android.net.metrics.IpConnectivityLog; 118 import android.net.wifi.WifiInfo; 119 import android.net.wifi.WifiManager; 120 import android.os.Binder; 121 import android.os.Build; 122 import android.os.Bundle; 123 import android.os.Environment; 124 import android.os.FileUtils; 125 import android.os.Handler; 126 import android.os.IBinder; 127 import android.os.Looper; 128 import android.os.ParcelFileDescriptor; 129 import android.os.PersistableBundle; 130 import android.os.PowerManager; 131 import android.os.PowerManagerInternal; 132 import android.os.Process; 133 import android.os.RecoverySystem; 134 import android.os.RemoteCallback; 135 import android.os.RemoteException; 136 import android.os.ServiceManager; 137 import android.os.SystemClock; 138 import android.os.SystemProperties; 139 import android.os.UserHandle; 140 import android.os.UserManager; 141 import android.os.UserManagerInternal; 142 import android.os.storage.StorageManager; 143 import android.provider.ContactsContract.QuickContact; 144 import android.provider.ContactsInternal; 145 import android.provider.Settings; 146 import android.provider.Settings.Global; 147 import android.security.IKeyChainAliasCallback; 148 import android.security.IKeyChainService; 149 import android.security.KeyChain; 150 import android.security.KeyChain.KeyChainConnection; 151 import android.service.persistentdata.PersistentDataBlockManager; 152 import android.telephony.TelephonyManager; 153 import android.text.TextUtils; 154 import android.util.ArrayMap; 155 import android.util.ArraySet; 156 import android.util.EventLog; 157 import android.util.Log; 158 import android.util.Pair; 159 import android.util.Slog; 160 import android.util.SparseArray; 161 import android.util.Xml; 162 import android.view.IWindowManager; 163 import android.view.accessibility.AccessibilityManager; 164 import android.view.accessibility.IAccessibilityManager; 165 import android.view.inputmethod.InputMethodInfo; 166 import android.view.inputmethod.InputMethodManager; 167 168 import com.android.internal.R; 169 import com.android.internal.annotations.GuardedBy; 170 import com.android.internal.annotations.VisibleForTesting; 171 import com.android.internal.logging.MetricsLogger; 172 import com.android.internal.messages.nano.SystemMessageProto.SystemMessage; 173 import com.android.internal.notification.SystemNotificationChannels; 174 import com.android.internal.os.BackgroundThread; 175 import com.android.internal.statusbar.IStatusBarService; 176 import com.android.internal.util.DumpUtils; 177 import com.android.internal.util.FastXmlSerializer; 178 import com.android.internal.util.JournaledFile; 179 import com.android.internal.util.Preconditions; 180 import com.android.internal.util.XmlUtils; 181 import com.android.internal.widget.LockPatternUtils; 182 import com.android.server.LocalServices; 183 import com.android.server.SystemService; 184 import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 185 import com.android.server.pm.UserRestrictionsUtils; 186 import com.google.android.collect.Sets; 187 188 import org.xmlpull.v1.XmlPullParser; 189 import org.xmlpull.v1.XmlPullParserException; 190 import org.xmlpull.v1.XmlSerializer; 191 192 import java.io.File; 193 import java.io.FileDescriptor; 194 import java.io.FileInputStream; 195 import java.io.FileNotFoundException; 196 import java.io.FileOutputStream; 197 import java.io.IOException; 198 import java.io.PrintWriter; 199 import java.nio.charset.StandardCharsets; 200 import java.text.DateFormat; 201 import java.util.ArrayList; 202 import java.util.Arrays; 203 import java.util.Collection; 204 import java.util.Collections; 205 import java.util.Date; 206 import java.util.List; 207 import java.util.Map.Entry; 208 import java.util.Set; 209 import java.util.concurrent.TimeUnit; 210 import java.util.concurrent.atomic.AtomicBoolean; 211 212 /** 213 * Implementation of the device policy APIs. 214 */ 215 public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 216 217 protected static final String LOG_TAG = "DevicePolicyManager"; 218 219 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 220 221 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 222 223 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 224 225 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 226 227 private static final String TAG_STATUS_BAR = "statusbar"; 228 229 private static final String ATTR_DISABLED = "disabled"; 230 231 private static final String ATTR_NAME = "name"; 232 233 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 234 "do-not-ask-credentials-on-boot"; 235 236 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 237 238 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 239 240 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 241 242 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 243 244 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 245 246 private static final String TAG_CURRENT_INPUT_METHOD_SET = "current-ime-set"; 247 248 private static final String TAG_OWNER_INSTALLED_CA_CERT = "owner-installed-ca-cert"; 249 250 private static final String ATTR_ID = "id"; 251 252 private static final String ATTR_VALUE = "value"; 253 254 private static final String ATTR_ALIAS = "alias"; 255 256 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 257 258 private static final String TAG_PASSWORD_TOKEN_HANDLE = "password-token"; 259 260 private static final String TAG_PASSWORD_VALIDITY = "password-validity"; 261 262 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 263 264 private static final long MS_PER_DAY = TimeUnit.DAYS.toMillis(1); 265 266 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 267 268 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 269 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 270 271 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 272 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 273 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 274 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 275 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 276 "device-provisioning-config-applied"; 277 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 278 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 279 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 280 = "application-restrictions-manager"; 281 282 // Comprehensive list of delegations. 283 private static final String DELEGATIONS[] = { 284 DELEGATION_CERT_INSTALL, 285 DELEGATION_APP_RESTRICTIONS, 286 DELEGATION_BLOCK_UNINSTALL, 287 DELEGATION_ENABLE_SYSTEM_APP, 288 DELEGATION_KEEP_UNINSTALLED_PACKAGES, 289 DELEGATION_PACKAGE_ACCESS, 290 DELEGATION_PERMISSION_GRANT 291 }; 292 293 /** 294 * System property whose value is either "true" or "false", indicating whether 295 * device owner is present. 296 */ 297 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 298 299 private static final int STATUS_BAR_DISABLE_MASK = 300 StatusBarManager.DISABLE_EXPAND | 301 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 302 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 303 StatusBarManager.DISABLE_SEARCH; 304 305 private static final int STATUS_BAR_DISABLE2_MASK = 306 StatusBarManager.DISABLE2_QUICK_SETTINGS; 307 308 private static final Set<String> SECURE_SETTINGS_WHITELIST; 309 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 310 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 311 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 312 static { 313 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 314 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 315 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 316 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 317 318 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 319 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 320 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 321 322 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 323 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 324 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 325 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 326 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 327 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 328 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 329 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 330 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 331 332 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 333 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 334 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 335 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 336 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 337 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 338 } 339 340 /** 341 * Keyguard features that when set on a profile affect the profile content or challenge only. 342 * These cannot be set on the managed profile's parent DPM instance 343 */ 344 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 345 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 346 347 /** Keyguard features that are allowed to be set on a managed profile */ 348 private static final int PROFILE_KEYGUARD_FEATURES = 349 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 350 351 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 352 353 /** 354 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 355 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 356 */ 357 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = TimeUnit.HOURS.toMillis(1); 358 359 /** 360 * Strings logged with {@link 361 * com.android.internal.logging.nano.MetricsProto.MetricsEvent#PROVISIONING_ENTRY_POINT_ADB}. 362 */ 363 private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; 364 private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; 365 366 final Context mContext; 367 final Injector mInjector; 368 final IPackageManager mIPackageManager; 369 final UserManager mUserManager; 370 final UserManagerInternal mUserManagerInternal; 371 final TelephonyManager mTelephonyManager; 372 private final LockPatternUtils mLockPatternUtils; 373 private final DevicePolicyConstants mConstants; 374 private final DeviceAdminServiceController mDeviceAdminServiceController; 375 376 /** 377 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 378 * is requested for user u. 379 */ 380 private final Set<Pair<String, Integer>> mPackagesToRemove = 381 new ArraySet<Pair<String, Integer>>(); 382 383 final LocalService mLocalService; 384 385 // Stores and loads state on device and profile owners. 386 @VisibleForTesting 387 final Owners mOwners; 388 389 private final Binder mToken = new Binder(); 390 391 /** 392 * Whether or not device admin feature is supported. If it isn't return defaults for all 393 * public methods. 394 */ 395 boolean mHasFeature; 396 397 /** 398 * Whether or not this device is a watch. 399 */ 400 boolean mIsWatch; 401 402 private final CertificateMonitor mCertificateMonitor; 403 private final SecurityLogMonitor mSecurityLogMonitor; 404 private NetworkLogger mNetworkLogger; 405 406 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 407 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 408 409 private SetupContentObserver mSetupContentObserver; 410 411 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 412 @Override 413 public void run() { 414 if(mRemoteBugreportServiceIsActive.get()) { 415 onBugreportFailed(); 416 } 417 } 418 }; 419 420 /** Listens only if mHasFeature == true. */ 421 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 422 423 @Override 424 public void onReceive(Context context, Intent intent) { 425 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 426 && mRemoteBugreportServiceIsActive.get()) { 427 onBugreportFinished(intent); 428 } 429 } 430 }; 431 432 /** Listens only if mHasFeature == true. */ 433 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 434 435 @Override 436 public void onReceive(Context context, Intent intent) { 437 String action = intent.getAction(); 438 mInjector.getNotificationManager().cancel(LOG_TAG, 439 RemoteBugreportUtils.NOTIFICATION_ID); 440 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 441 onBugreportSharingAccepted(); 442 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 443 onBugreportSharingDeclined(); 444 } 445 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 446 } 447 }; 448 449 public static final class Lifecycle extends SystemService { 450 private DevicePolicyManagerService mService; 451 452 public Lifecycle(Context context) { 453 super(context); 454 mService = new DevicePolicyManagerService(context); 455 } 456 457 @Override 458 public void onStart() { 459 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 460 } 461 462 @Override 463 public void onBootPhase(int phase) { 464 mService.systemReady(phase); 465 } 466 467 @Override 468 public void onStartUser(int userHandle) { 469 mService.handleStartUser(userHandle); 470 } 471 472 @Override 473 public void onUnlockUser(int userHandle) { 474 mService.handleUnlockUser(userHandle); 475 } 476 477 @Override 478 public void onStopUser(int userHandle) { 479 mService.handleStopUser(userHandle); 480 } 481 } 482 483 public static class DevicePolicyData { 484 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 485 int mFailedPasswordAttempts = 0; 486 boolean mPasswordStateHasBeenSetSinceBoot = false; 487 boolean mPasswordValidAtLastCheckpoint = false; 488 489 int mUserHandle; 490 int mPasswordOwner = -1; 491 long mLastMaximumTimeToLock = -1; 492 boolean mUserSetupComplete = false; 493 boolean mPaired = false; 494 int mUserProvisioningState; 495 int mPermissionPolicy; 496 497 boolean mDeviceProvisioningConfigApplied = false; 498 499 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 500 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 501 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 502 503 // TODO(b/35385311): Keep track of metadata in TrustedCertificateStore instead. 504 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 505 506 // This is the list of component allowed to start lock task mode. 507 List<String> mLockTaskPackages = new ArrayList<>(); 508 509 boolean mStatusBarDisabled = false; 510 511 ComponentName mRestrictionsProvider; 512 513 // Map of delegate package to delegation scopes 514 final ArrayMap<String, List<String>> mDelegationMap = new ArrayMap<>(); 515 516 boolean doNotAskCredentialsOnBoot = false; 517 518 Set<String> mAffiliationIds = new ArraySet<>(); 519 520 long mLastSecurityLogRetrievalTime = -1; 521 522 long mLastBugReportRequestTime = -1; 523 524 long mLastNetworkLogsRetrievalTime = -1; 525 526 boolean mCurrentInputMethodSet = false; 527 528 // TODO(b/35385311): Keep track of metadata in TrustedCertificateStore instead. 529 Set<String> mOwnerInstalledCaCerts = new ArraySet<>(); 530 531 // Used for initialization of users created by createAndManageUser. 532 boolean mAdminBroadcastPending = false; 533 PersistableBundle mInitBundle = null; 534 535 long mPasswordTokenHandle = 0; 536 537 public DevicePolicyData(int userHandle) { 538 mUserHandle = userHandle; 539 } 540 } 541 542 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 543 544 final Handler mHandler; 545 final Handler mBackgroundHandler; 546 547 /** Listens only if mHasFeature == true. */ 548 final BroadcastReceiver mReceiver = new BroadcastReceiver() { 549 @Override 550 public void onReceive(Context context, Intent intent) { 551 final String action = intent.getAction(); 552 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 553 getSendingUserId()); 554 555 /* 556 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 557 * however it's too early in the boot process to register with IIpConnectivityMetrics 558 * to listen for events. 559 */ 560 if (Intent.ACTION_USER_STARTED.equals(action) 561 && userHandle == mOwners.getDeviceOwnerUserId()) { 562 synchronized (DevicePolicyManagerService.this) { 563 if (isNetworkLoggingEnabledInternalLocked()) { 564 setNetworkLoggingActiveInternal(true); 565 } 566 } 567 } 568 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 569 && userHandle == mOwners.getDeviceOwnerUserId() 570 && getDeviceOwnerRemoteBugreportUri() != null) { 571 IntentFilter filterConsent = new IntentFilter(); 572 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 573 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 574 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 575 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 576 RemoteBugreportUtils.NOTIFICATION_ID, 577 RemoteBugreportUtils.buildNotification(mContext, 578 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 579 UserHandle.ALL); 580 } 581 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 582 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 583 if (VERBOSE_LOG) { 584 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 585 + action + " for user " + userHandle); 586 } 587 mHandler.post(new Runnable() { 588 @Override 589 public void run() { 590 handlePasswordExpirationNotification(userHandle); 591 } 592 }); 593 } 594 595 if (Intent.ACTION_USER_ADDED.equals(action)) { 596 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); 597 synchronized (DevicePolicyManagerService.this) { 598 // It might take a while for the user to become affiliated. Make security 599 // and network logging unavailable in the meantime. 600 maybePauseDeviceWideLoggingLocked(); 601 } 602 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 603 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); 604 synchronized (DevicePolicyManagerService.this) { 605 // Check whether the user is affiliated, *before* removing its data. 606 boolean isRemovedUserAffiliated = isUserAffiliatedWithDeviceLocked(userHandle); 607 removeUserData(userHandle); 608 if (!isRemovedUserAffiliated) { 609 // We discard the logs when unaffiliated users are deleted (so that the 610 // device owner cannot retrieve data about that user after it's gone). 611 discardDeviceWideLogsLocked(); 612 // Resume logging if all remaining users are affiliated. 613 maybeResumeDeviceWideLoggingLocked(); 614 } 615 } 616 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 617 synchronized (DevicePolicyManagerService.this) { 618 // Reset the policy data 619 mUserData.remove(userHandle); 620 sendAdminEnabledBroadcastLocked(userHandle); 621 } 622 handlePackagesChanged(null /* check all admins */, userHandle); 623 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 624 handlePackagesChanged(null /* check all admins */, userHandle); 625 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 626 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 627 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 628 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 629 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 630 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 631 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 632 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 633 clearWipeProfileNotification(); 634 } 635 } 636 637 private void sendUserAddedOrRemovedCommand(String action, int userHandle) { 638 synchronized (DevicePolicyManagerService.this) { 639 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 640 if (deviceOwner != null) { 641 Bundle extras = new Bundle(); 642 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 643 sendAdminCommandLocked(deviceOwner, action, extras, null); 644 } 645 } 646 } 647 }; 648 649 static class ActiveAdmin { 650 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 651 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 652 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 653 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 654 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 655 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 656 = "disable-bt-contacts-sharing"; 657 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 658 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 659 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 660 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 661 private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; 662 private static final String TAG_ACCOUNT_TYPE = "account-type"; 663 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 664 = "permitted-accessiblity-services"; 665 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 666 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 667 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 668 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 669 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 670 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 671 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 672 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 673 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 674 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 675 private static final String TAG_PERMITTED_NOTIFICATION_LISTENERS = 676 "permitted-notification-listeners"; 677 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 678 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 679 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 680 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 681 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 682 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 683 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 684 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 685 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 686 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 687 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 688 private static final String ATTR_VALUE = "value"; 689 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 690 private static final String TAG_POLICIES = "policies"; 691 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 692 "cross-profile-widget-providers"; 693 private static final String TAG_PROVIDER = "provider"; 694 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 695 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 696 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 697 private static final String TAG_DEFAULT_ENABLED_USER_RESTRICTIONS = 698 "default-enabled-user-restrictions"; 699 private static final String TAG_RESTRICTION = "restriction"; 700 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 701 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 702 private static final String TAG_PARENT_ADMIN = "parent-admin"; 703 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 704 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 705 private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification"; 706 private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications"; 707 708 final DeviceAdminInfo info; 709 710 711 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 712 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 713 714 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 715 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 716 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 717 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 718 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 719 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 720 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 721 @NonNull 722 PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( 723 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, 724 DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, 725 DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, 726 DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); 727 728 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 729 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 730 731 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 732 733 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 734 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 735 736 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 737 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 738 739 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 740 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 741 742 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 743 744 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 745 746 boolean encryptionRequested = false; 747 boolean testOnlyAdmin = false; 748 boolean disableCamera = false; 749 boolean disableCallerId = false; 750 boolean disableContactsSearch = false; 751 boolean disableBluetoothContactSharing = true; 752 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 753 boolean requireAutoTime = false; // Can only be set by a device owner. 754 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 755 boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. 756 757 // one notification after enabling + one more after reboots 758 static final int DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN = 2; 759 int numNetworkLoggingNotifications = 0; 760 long lastNetworkLoggingNotificationTimeMs = 0; // Time in milliseconds since epoch 761 762 ActiveAdmin parentAdmin; 763 final boolean isParent; 764 765 static class TrustAgentInfo { 766 public PersistableBundle options; 767 TrustAgentInfo(PersistableBundle bundle) { 768 options = bundle; 769 } 770 } 771 772 final Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 773 774 // The list of permitted accessibility services package namesas set by a profile 775 // or device owner. Null means all accessibility services are allowed, empty means 776 // none except system services are allowed. 777 List<String> permittedAccessiblityServices; 778 779 // The list of permitted input methods package names as set by a profile or device owner. 780 // Null means all input methods are allowed, empty means none except system imes are 781 // allowed. 782 List<String> permittedInputMethods; 783 784 // The list of packages allowed to use a NotificationListenerService to receive events for 785 // notifications from this user. Null means that all packages are allowed. Empty list means 786 // that only packages from the system are allowed. 787 List<String> permittedNotificationListeners; 788 789 // List of package names to keep cached. 790 List<String> keepUninstalledPackages; 791 792 // TODO: review implementation decisions with frameworks team 793 boolean specifiesGlobalProxy = false; 794 String globalProxySpec = null; 795 String globalProxyExclusionList = null; 796 797 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 798 799 List<String> crossProfileWidgetProviders; 800 801 Bundle userRestrictions; 802 803 // User restrictions that have already been enabled by default for this admin (either when 804 // setting the device or profile owner, or during a system update if one of those "enabled 805 // by default" restrictions is newly added). 806 final Set<String> defaultEnabledRestrictionsAlreadySet = new ArraySet<>(); 807 808 // Support text provided by the admin to display to the user. 809 CharSequence shortSupportMessage = null; 810 CharSequence longSupportMessage = null; 811 812 // Background color of confirm credentials screen. Default: teal. 813 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 814 int organizationColor = DEF_ORGANIZATION_COLOR; 815 816 // Default title of confirm credentials screen 817 String organizationName = null; 818 819 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 820 info = _info; 821 isParent = parent; 822 } 823 824 ActiveAdmin getParentActiveAdmin() { 825 Preconditions.checkState(!isParent); 826 827 if (parentAdmin == null) { 828 parentAdmin = new ActiveAdmin(info, /* parent */ true); 829 } 830 return parentAdmin; 831 } 832 833 boolean hasParentActiveAdmin() { 834 return parentAdmin != null; 835 } 836 837 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 838 839 public UserHandle getUserHandle() { 840 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 841 } 842 843 void writeToXml(XmlSerializer out) 844 throws IllegalArgumentException, IllegalStateException, IOException { 845 out.startTag(null, TAG_POLICIES); 846 info.writePoliciesToXml(out); 847 out.endTag(null, TAG_POLICIES); 848 if (minimumPasswordMetrics.quality 849 != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 850 out.startTag(null, TAG_PASSWORD_QUALITY); 851 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); 852 out.endTag(null, TAG_PASSWORD_QUALITY); 853 if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { 854 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 855 out.attribute( 856 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); 857 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 858 } 859 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 860 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 861 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 862 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 863 } 864 if (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 865 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 866 out.attribute( 867 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); 868 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 869 } 870 if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 871 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 872 out.attribute( 873 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); 874 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 875 } 876 if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { 877 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 878 out.attribute( 879 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); 880 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 881 } 882 if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 883 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 884 out.attribute( 885 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); 886 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 887 } 888 if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 889 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 890 out.attribute( 891 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); 892 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 893 } 894 if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 895 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 896 out.attribute( 897 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); 898 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 899 } 900 } 901 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 902 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 903 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 904 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 905 } 906 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 907 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 908 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 909 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 910 } 911 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 912 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 913 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 914 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 915 } 916 if (specifiesGlobalProxy) { 917 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 918 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 919 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 920 if (globalProxySpec != null) { 921 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 922 out.attribute(null, ATTR_VALUE, globalProxySpec); 923 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 924 } 925 if (globalProxyExclusionList != null) { 926 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 927 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 928 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 929 } 930 } 931 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 932 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 933 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 934 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 935 } 936 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 937 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 938 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 939 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 940 } 941 if (encryptionRequested) { 942 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 943 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 944 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 945 } 946 if (testOnlyAdmin) { 947 out.startTag(null, TAG_TEST_ONLY_ADMIN); 948 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 949 out.endTag(null, TAG_TEST_ONLY_ADMIN); 950 } 951 if (disableCamera) { 952 out.startTag(null, TAG_DISABLE_CAMERA); 953 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 954 out.endTag(null, TAG_DISABLE_CAMERA); 955 } 956 if (disableCallerId) { 957 out.startTag(null, TAG_DISABLE_CALLER_ID); 958 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 959 out.endTag(null, TAG_DISABLE_CALLER_ID); 960 } 961 if (disableContactsSearch) { 962 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 963 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 964 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 965 } 966 if (!disableBluetoothContactSharing) { 967 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 968 out.attribute(null, ATTR_VALUE, 969 Boolean.toString(disableBluetoothContactSharing)); 970 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 971 } 972 if (disableScreenCapture) { 973 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 974 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 975 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 976 } 977 if (requireAutoTime) { 978 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 979 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 980 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 981 } 982 if (forceEphemeralUsers) { 983 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 984 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 985 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 986 } 987 if (isNetworkLoggingEnabled) { 988 out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 989 out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); 990 out.attribute(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS, 991 Integer.toString(numNetworkLoggingNotifications)); 992 out.attribute(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION, 993 Long.toString(lastNetworkLoggingNotificationTimeMs)); 994 out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 995 } 996 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 997 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 998 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 999 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 1000 } 1001 if (!accountTypesWithManagementDisabled.isEmpty()) { 1002 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 1003 writeAttributeValuesToXml( 1004 out, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1005 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 1006 } 1007 if (!trustAgentInfos.isEmpty()) { 1008 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 1009 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 1010 for (Entry<String, TrustAgentInfo> entry : set) { 1011 TrustAgentInfo trustAgentInfo = entry.getValue(); 1012 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 1013 out.attribute(null, ATTR_VALUE, entry.getKey()); 1014 if (trustAgentInfo.options != null) { 1015 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 1016 try { 1017 trustAgentInfo.options.saveToXml(out); 1018 } catch (XmlPullParserException e) { 1019 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 1020 } 1021 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 1022 } 1023 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 1024 } 1025 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 1026 } 1027 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 1028 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 1029 writeAttributeValuesToXml(out, TAG_PROVIDER, crossProfileWidgetProviders); 1030 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 1031 } 1032 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 1033 permittedAccessiblityServices); 1034 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 1035 writePackageListToXml(out, TAG_PERMITTED_NOTIFICATION_LISTENERS, 1036 permittedNotificationListeners); 1037 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 1038 if (hasUserRestrictions()) { 1039 UserRestrictionsUtils.writeRestrictions( 1040 out, userRestrictions, TAG_USER_RESTRICTIONS); 1041 } 1042 if (!defaultEnabledRestrictionsAlreadySet.isEmpty()) { 1043 out.startTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1044 writeAttributeValuesToXml( 1045 out, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1046 out.endTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1047 } 1048 if (!TextUtils.isEmpty(shortSupportMessage)) { 1049 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1050 out.text(shortSupportMessage.toString()); 1051 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1052 } 1053 if (!TextUtils.isEmpty(longSupportMessage)) { 1054 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 1055 out.text(longSupportMessage.toString()); 1056 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 1057 } 1058 if (parentAdmin != null) { 1059 out.startTag(null, TAG_PARENT_ADMIN); 1060 parentAdmin.writeToXml(out); 1061 out.endTag(null, TAG_PARENT_ADMIN); 1062 } 1063 if (organizationColor != DEF_ORGANIZATION_COLOR) { 1064 out.startTag(null, TAG_ORGANIZATION_COLOR); 1065 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 1066 out.endTag(null, TAG_ORGANIZATION_COLOR); 1067 } 1068 if (organizationName != null) { 1069 out.startTag(null, TAG_ORGANIZATION_NAME); 1070 out.text(organizationName); 1071 out.endTag(null, TAG_ORGANIZATION_NAME); 1072 } 1073 } 1074 1075 void writePackageListToXml(XmlSerializer out, String outerTag, 1076 List<String> packageList) 1077 throws IllegalArgumentException, IllegalStateException, IOException { 1078 if (packageList == null) { 1079 return; 1080 } 1081 1082 out.startTag(null, outerTag); 1083 writeAttributeValuesToXml(out, TAG_PACKAGE_LIST_ITEM, packageList); 1084 out.endTag(null, outerTag); 1085 } 1086 1087 void writeAttributeValuesToXml(XmlSerializer out, String tag, 1088 @NonNull Collection<String> values) throws IOException { 1089 for (String value : values) { 1090 out.startTag(null, tag); 1091 out.attribute(null, ATTR_VALUE, value); 1092 out.endTag(null, tag); 1093 } 1094 } 1095 1096 void readFromXml(XmlPullParser parser) 1097 throws XmlPullParserException, IOException { 1098 int outerDepth = parser.getDepth(); 1099 int type; 1100 while ((type=parser.next()) != END_DOCUMENT 1101 && (type != END_TAG || parser.getDepth() > outerDepth)) { 1102 if (type == END_TAG || type == TEXT) { 1103 continue; 1104 } 1105 String tag = parser.getName(); 1106 if (TAG_POLICIES.equals(tag)) { 1107 info.readPoliciesFromXml(parser); 1108 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 1109 minimumPasswordMetrics.quality = Integer.parseInt( 1110 parser.getAttributeValue(null, ATTR_VALUE)); 1111 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 1112 minimumPasswordMetrics.length = Integer.parseInt( 1113 parser.getAttributeValue(null, ATTR_VALUE)); 1114 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 1115 passwordHistoryLength = Integer.parseInt( 1116 parser.getAttributeValue(null, ATTR_VALUE)); 1117 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 1118 minimumPasswordMetrics.upperCase = Integer.parseInt( 1119 parser.getAttributeValue(null, ATTR_VALUE)); 1120 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 1121 minimumPasswordMetrics.lowerCase = Integer.parseInt( 1122 parser.getAttributeValue(null, ATTR_VALUE)); 1123 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 1124 minimumPasswordMetrics.letters = Integer.parseInt( 1125 parser.getAttributeValue(null, ATTR_VALUE)); 1126 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 1127 minimumPasswordMetrics.numeric = Integer.parseInt( 1128 parser.getAttributeValue(null, ATTR_VALUE)); 1129 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 1130 minimumPasswordMetrics.symbols = Integer.parseInt( 1131 parser.getAttributeValue(null, ATTR_VALUE)); 1132 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 1133 minimumPasswordMetrics.nonLetter = Integer.parseInt( 1134 parser.getAttributeValue(null, ATTR_VALUE)); 1135 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 1136 maximumTimeToUnlock = Long.parseLong( 1137 parser.getAttributeValue(null, ATTR_VALUE)); 1138 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 1139 strongAuthUnlockTimeout = Long.parseLong( 1140 parser.getAttributeValue(null, ATTR_VALUE)); 1141 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 1142 maximumFailedPasswordsForWipe = Integer.parseInt( 1143 parser.getAttributeValue(null, ATTR_VALUE)); 1144 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 1145 specifiesGlobalProxy = Boolean.parseBoolean( 1146 parser.getAttributeValue(null, ATTR_VALUE)); 1147 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1148 globalProxySpec = 1149 parser.getAttributeValue(null, ATTR_VALUE); 1150 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1151 globalProxyExclusionList = 1152 parser.getAttributeValue(null, ATTR_VALUE); 1153 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1154 passwordExpirationTimeout = Long.parseLong( 1155 parser.getAttributeValue(null, ATTR_VALUE)); 1156 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1157 passwordExpirationDate = Long.parseLong( 1158 parser.getAttributeValue(null, ATTR_VALUE)); 1159 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1160 encryptionRequested = Boolean.parseBoolean( 1161 parser.getAttributeValue(null, ATTR_VALUE)); 1162 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1163 testOnlyAdmin = Boolean.parseBoolean( 1164 parser.getAttributeValue(null, ATTR_VALUE)); 1165 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1166 disableCamera = Boolean.parseBoolean( 1167 parser.getAttributeValue(null, ATTR_VALUE)); 1168 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1169 disableCallerId = Boolean.parseBoolean( 1170 parser.getAttributeValue(null, ATTR_VALUE)); 1171 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1172 disableContactsSearch = Boolean.parseBoolean( 1173 parser.getAttributeValue(null, ATTR_VALUE)); 1174 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1175 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1176 .getAttributeValue(null, ATTR_VALUE)); 1177 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1178 disableScreenCapture = Boolean.parseBoolean( 1179 parser.getAttributeValue(null, ATTR_VALUE)); 1180 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1181 requireAutoTime = Boolean.parseBoolean( 1182 parser.getAttributeValue(null, ATTR_VALUE)); 1183 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1184 forceEphemeralUsers = Boolean.parseBoolean( 1185 parser.getAttributeValue(null, ATTR_VALUE)); 1186 } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { 1187 isNetworkLoggingEnabled = Boolean.parseBoolean( 1188 parser.getAttributeValue(null, ATTR_VALUE)); 1189 lastNetworkLoggingNotificationTimeMs = Long.parseLong( 1190 parser.getAttributeValue(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION)); 1191 numNetworkLoggingNotifications = Integer.parseInt( 1192 parser.getAttributeValue(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS)); 1193 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1194 disabledKeyguardFeatures = Integer.parseInt( 1195 parser.getAttributeValue(null, ATTR_VALUE)); 1196 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1197 readAttributeValues( 1198 parser, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1199 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1200 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1201 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1202 crossProfileWidgetProviders = new ArrayList<>(); 1203 readAttributeValues(parser, TAG_PROVIDER, crossProfileWidgetProviders); 1204 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1205 permittedAccessiblityServices = readPackageList(parser, tag); 1206 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1207 permittedInputMethods = readPackageList(parser, tag); 1208 } else if (TAG_PERMITTED_NOTIFICATION_LISTENERS.equals(tag)) { 1209 permittedNotificationListeners = readPackageList(parser, tag); 1210 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1211 keepUninstalledPackages = readPackageList(parser, tag); 1212 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1213 userRestrictions = UserRestrictionsUtils.readRestrictions(parser); 1214 } else if (TAG_DEFAULT_ENABLED_USER_RESTRICTIONS.equals(tag)) { 1215 readAttributeValues( 1216 parser, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1217 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1218 type = parser.next(); 1219 if (type == XmlPullParser.TEXT) { 1220 shortSupportMessage = parser.getText(); 1221 } else { 1222 Log.w(LOG_TAG, "Missing text when loading short support message"); 1223 } 1224 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1225 type = parser.next(); 1226 if (type == XmlPullParser.TEXT) { 1227 longSupportMessage = parser.getText(); 1228 } else { 1229 Log.w(LOG_TAG, "Missing text when loading long support message"); 1230 } 1231 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1232 Preconditions.checkState(!isParent); 1233 1234 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1235 parentAdmin.readFromXml(parser); 1236 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1237 organizationColor = Integer.parseInt( 1238 parser.getAttributeValue(null, ATTR_VALUE)); 1239 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1240 type = parser.next(); 1241 if (type == XmlPullParser.TEXT) { 1242 organizationName = parser.getText(); 1243 } else { 1244 Log.w(LOG_TAG, "Missing text when loading organization name"); 1245 } 1246 } else { 1247 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1248 XmlUtils.skipCurrentTag(parser); 1249 } 1250 } 1251 } 1252 1253 private List<String> readPackageList(XmlPullParser parser, 1254 String tag) throws XmlPullParserException, IOException { 1255 List<String> result = new ArrayList<String>(); 1256 int outerDepth = parser.getDepth(); 1257 int outerType; 1258 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1259 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1260 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1261 continue; 1262 } 1263 String outerTag = parser.getName(); 1264 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1265 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1266 if (packageName != null) { 1267 result.add(packageName); 1268 } else { 1269 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1270 } 1271 } else { 1272 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1273 } 1274 } 1275 return result; 1276 } 1277 1278 private void readAttributeValues( 1279 XmlPullParser parser, String tag, Collection<String> result) 1280 throws XmlPullParserException, IOException { 1281 result.clear(); 1282 int outerDepthDAM = parser.getDepth(); 1283 int typeDAM; 1284 while ((typeDAM=parser.next()) != END_DOCUMENT 1285 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1286 if (typeDAM == END_TAG || typeDAM == TEXT) { 1287 continue; 1288 } 1289 String tagDAM = parser.getName(); 1290 if (tag.equals(tagDAM)) { 1291 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1292 } else { 1293 Slog.e(LOG_TAG, "Expected tag " + tag + " but found " + tagDAM); 1294 } 1295 } 1296 } 1297 1298 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1299 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1300 int outerDepthDAM = parser.getDepth(); 1301 int typeDAM; 1302 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1303 while ((typeDAM=parser.next()) != END_DOCUMENT 1304 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1305 if (typeDAM == END_TAG || typeDAM == TEXT) { 1306 continue; 1307 } 1308 String tagDAM = parser.getName(); 1309 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1310 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1311 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1312 result.put(component, trustAgentInfo); 1313 } else { 1314 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1315 } 1316 } 1317 return result; 1318 } 1319 1320 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1321 throws XmlPullParserException, IOException { 1322 int outerDepthDAM = parser.getDepth(); 1323 int typeDAM; 1324 TrustAgentInfo result = new TrustAgentInfo(null); 1325 while ((typeDAM=parser.next()) != END_DOCUMENT 1326 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1327 if (typeDAM == END_TAG || typeDAM == TEXT) { 1328 continue; 1329 } 1330 String tagDAM = parser.getName(); 1331 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1332 result.options = PersistableBundle.restoreFromXml(parser); 1333 } else { 1334 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1335 } 1336 } 1337 return result; 1338 } 1339 1340 boolean hasUserRestrictions() { 1341 return userRestrictions != null && userRestrictions.size() > 0; 1342 } 1343 1344 Bundle ensureUserRestrictions() { 1345 if (userRestrictions == null) { 1346 userRestrictions = new Bundle(); 1347 } 1348 return userRestrictions; 1349 } 1350 1351 void dump(String prefix, PrintWriter pw) { 1352 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1353 pw.print(prefix); pw.print("testOnlyAdmin="); 1354 pw.println(testOnlyAdmin); 1355 pw.print(prefix); pw.println("policies:"); 1356 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1357 if (pols != null) { 1358 for (int i=0; i<pols.size(); i++) { 1359 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1360 } 1361 } 1362 pw.print(prefix); pw.print("passwordQuality=0x"); 1363 pw.println(Integer.toHexString(minimumPasswordMetrics.quality)); 1364 pw.print(prefix); pw.print("minimumPasswordLength="); 1365 pw.println(minimumPasswordMetrics.length); 1366 pw.print(prefix); pw.print("passwordHistoryLength="); 1367 pw.println(passwordHistoryLength); 1368 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1369 pw.println(minimumPasswordMetrics.upperCase); 1370 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1371 pw.println(minimumPasswordMetrics.lowerCase); 1372 pw.print(prefix); pw.print("minimumPasswordLetters="); 1373 pw.println(minimumPasswordMetrics.letters); 1374 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1375 pw.println(minimumPasswordMetrics.numeric); 1376 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1377 pw.println(minimumPasswordMetrics.symbols); 1378 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1379 pw.println(minimumPasswordMetrics.nonLetter); 1380 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1381 pw.println(maximumTimeToUnlock); 1382 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1383 pw.println(strongAuthUnlockTimeout); 1384 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1385 pw.println(maximumFailedPasswordsForWipe); 1386 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1387 pw.println(specifiesGlobalProxy); 1388 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1389 pw.println(passwordExpirationTimeout); 1390 pw.print(prefix); pw.print("passwordExpirationDate="); 1391 pw.println(passwordExpirationDate); 1392 if (globalProxySpec != null) { 1393 pw.print(prefix); pw.print("globalProxySpec="); 1394 pw.println(globalProxySpec); 1395 } 1396 if (globalProxyExclusionList != null) { 1397 pw.print(prefix); pw.print("globalProxyEclusionList="); 1398 pw.println(globalProxyExclusionList); 1399 } 1400 pw.print(prefix); pw.print("encryptionRequested="); 1401 pw.println(encryptionRequested); 1402 pw.print(prefix); pw.print("disableCamera="); 1403 pw.println(disableCamera); 1404 pw.print(prefix); pw.print("disableCallerId="); 1405 pw.println(disableCallerId); 1406 pw.print(prefix); pw.print("disableContactsSearch="); 1407 pw.println(disableContactsSearch); 1408 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1409 pw.println(disableBluetoothContactSharing); 1410 pw.print(prefix); pw.print("disableScreenCapture="); 1411 pw.println(disableScreenCapture); 1412 pw.print(prefix); pw.print("requireAutoTime="); 1413 pw.println(requireAutoTime); 1414 pw.print(prefix); pw.print("forceEphemeralUsers="); 1415 pw.println(forceEphemeralUsers); 1416 pw.print(prefix); pw.print("isNetworkLoggingEnabled="); 1417 pw.println(isNetworkLoggingEnabled); 1418 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1419 pw.println(disabledKeyguardFeatures); 1420 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1421 pw.println(crossProfileWidgetProviders); 1422 if (permittedAccessiblityServices != null) { 1423 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1424 pw.println(permittedAccessiblityServices); 1425 } 1426 if (permittedInputMethods != null) { 1427 pw.print(prefix); pw.print("permittedInputMethods="); 1428 pw.println(permittedInputMethods); 1429 } 1430 if (permittedNotificationListeners != null) { 1431 pw.print(prefix); pw.print("permittedNotificationListeners="); 1432 pw.println(permittedNotificationListeners); 1433 } 1434 if (keepUninstalledPackages != null) { 1435 pw.print(prefix); pw.print("keepUninstalledPackages="); 1436 pw.println(keepUninstalledPackages); 1437 } 1438 pw.print(prefix); pw.print("organizationColor="); 1439 pw.println(organizationColor); 1440 if (organizationName != null) { 1441 pw.print(prefix); pw.print("organizationName="); 1442 pw.println(organizationName); 1443 } 1444 pw.print(prefix); pw.println("userRestrictions:"); 1445 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1446 pw.print(prefix); pw.print("defaultEnabledRestrictionsAlreadySet="); 1447 pw.println(defaultEnabledRestrictionsAlreadySet); 1448 pw.print(prefix); pw.print("isParent="); 1449 pw.println(isParent); 1450 if (parentAdmin != null) { 1451 pw.print(prefix); pw.println("parentAdmin:"); 1452 parentAdmin.dump(prefix + " ", pw); 1453 } 1454 } 1455 } 1456 1457 private void handlePackagesChanged(@Nullable String packageName, int userHandle) { 1458 boolean removedAdmin = false; 1459 if (VERBOSE_LOG) { 1460 Slog.d(LOG_TAG, "Handling package changes package " + packageName 1461 + " for user " + userHandle); 1462 } 1463 DevicePolicyData policy = getUserData(userHandle); 1464 synchronized (this) { 1465 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1466 ActiveAdmin aa = policy.mAdminList.get(i); 1467 try { 1468 // If we're checking all packages or if the specific one we're checking matches, 1469 // then check if the package and receiver still exist. 1470 final String adminPackage = aa.info.getPackageName(); 1471 if (packageName == null || packageName.equals(adminPackage)) { 1472 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1473 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1474 PackageManager.MATCH_DIRECT_BOOT_AWARE 1475 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1476 userHandle) == null) { 1477 removedAdmin = true; 1478 policy.mAdminList.remove(i); 1479 policy.mAdminMap.remove(aa.info.getComponent()); 1480 } 1481 } 1482 } catch (RemoteException re) { 1483 // Shouldn't happen. 1484 } 1485 } 1486 if (removedAdmin) { 1487 validatePasswordOwnerLocked(policy); 1488 } 1489 1490 boolean removedDelegate = false; 1491 1492 // Check if a delegate was removed. 1493 for (int i = policy.mDelegationMap.size() - 1; i >= 0; i--) { 1494 final String delegatePackage = policy.mDelegationMap.keyAt(i); 1495 if (isRemovedPackage(packageName, delegatePackage, userHandle)) { 1496 policy.mDelegationMap.removeAt(i); 1497 removedDelegate = true; 1498 } 1499 } 1500 1501 // If it's an owner package, we may need to refresh the bound connection. 1502 final ComponentName owner = getOwnerComponent(userHandle); 1503 if ((packageName != null) && (owner != null) 1504 && (owner.getPackageName().equals(packageName))) { 1505 startOwnerService(userHandle, "package-broadcast"); 1506 } 1507 1508 // Persist updates if the removed package was an admin or delegate. 1509 if (removedAdmin || removedDelegate) { 1510 saveSettingsLocked(policy.mUserHandle); 1511 } 1512 } 1513 if (removedAdmin) { 1514 // The removed admin might have disabled camera, so update user restrictions. 1515 pushUserRestrictions(userHandle); 1516 } 1517 } 1518 1519 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1520 try { 1521 return targetPackage != null 1522 && (changedPackage == null || changedPackage.equals(targetPackage)) 1523 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1524 } catch (RemoteException e) { 1525 // Shouldn't happen 1526 } 1527 1528 return false; 1529 } 1530 1531 /** 1532 * Unit test will subclass it to inject mocks. 1533 */ 1534 @VisibleForTesting 1535 static class Injector { 1536 1537 public final Context mContext; 1538 1539 Injector(Context context) { 1540 mContext = context; 1541 } 1542 1543 Context createContextAsUser(UserHandle user) throws PackageManager.NameNotFoundException { 1544 final String packageName = mContext.getPackageName(); 1545 return mContext.createPackageContextAsUser(packageName, 0, user); 1546 } 1547 1548 Resources getResources() { 1549 return mContext.getResources(); 1550 } 1551 1552 Owners newOwners() { 1553 return new Owners(getUserManager(), getUserManagerInternal(), 1554 getPackageManagerInternal()); 1555 } 1556 1557 UserManager getUserManager() { 1558 return UserManager.get(mContext); 1559 } 1560 1561 UserManagerInternal getUserManagerInternal() { 1562 return LocalServices.getService(UserManagerInternal.class); 1563 } 1564 1565 PackageManagerInternal getPackageManagerInternal() { 1566 return LocalServices.getService(PackageManagerInternal.class); 1567 } 1568 1569 NotificationManager getNotificationManager() { 1570 return mContext.getSystemService(NotificationManager.class); 1571 } 1572 1573 IIpConnectivityMetrics getIIpConnectivityMetrics() { 1574 return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( 1575 ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); 1576 } 1577 1578 PackageManager getPackageManager() { 1579 return mContext.getPackageManager(); 1580 } 1581 1582 PowerManagerInternal getPowerManagerInternal() { 1583 return LocalServices.getService(PowerManagerInternal.class); 1584 } 1585 1586 TelephonyManager getTelephonyManager() { 1587 return TelephonyManager.from(mContext); 1588 } 1589 1590 TrustManager getTrustManager() { 1591 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1592 } 1593 1594 AlarmManager getAlarmManager() { 1595 return (AlarmManager) mContext.getSystemService(AlarmManager.class); 1596 } 1597 1598 IWindowManager getIWindowManager() { 1599 return IWindowManager.Stub 1600 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1601 } 1602 1603 IActivityManager getIActivityManager() { 1604 return ActivityManager.getService(); 1605 } 1606 1607 IPackageManager getIPackageManager() { 1608 return AppGlobals.getPackageManager(); 1609 } 1610 1611 IBackupManager getIBackupManager() { 1612 return IBackupManager.Stub.asInterface( 1613 ServiceManager.getService(Context.BACKUP_SERVICE)); 1614 } 1615 1616 IAudioService getIAudioService() { 1617 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1618 } 1619 1620 boolean isBuildDebuggable() { 1621 return Build.IS_DEBUGGABLE; 1622 } 1623 1624 LockPatternUtils newLockPatternUtils() { 1625 return new LockPatternUtils(mContext); 1626 } 1627 1628 boolean storageManagerIsFileBasedEncryptionEnabled() { 1629 return StorageManager.isFileEncryptedNativeOnly(); 1630 } 1631 1632 boolean storageManagerIsNonDefaultBlockEncrypted() { 1633 long identity = Binder.clearCallingIdentity(); 1634 try { 1635 return StorageManager.isNonDefaultBlockEncrypted(); 1636 } finally { 1637 Binder.restoreCallingIdentity(identity); 1638 } 1639 } 1640 1641 boolean storageManagerIsEncrypted() { 1642 return StorageManager.isEncrypted(); 1643 } 1644 1645 boolean storageManagerIsEncryptable() { 1646 return StorageManager.isEncryptable(); 1647 } 1648 1649 Looper getMyLooper() { 1650 return Looper.myLooper(); 1651 } 1652 1653 WifiManager getWifiManager() { 1654 return mContext.getSystemService(WifiManager.class); 1655 } 1656 1657 long binderClearCallingIdentity() { 1658 return Binder.clearCallingIdentity(); 1659 } 1660 1661 void binderRestoreCallingIdentity(long token) { 1662 Binder.restoreCallingIdentity(token); 1663 } 1664 1665 int binderGetCallingUid() { 1666 return Binder.getCallingUid(); 1667 } 1668 1669 int binderGetCallingPid() { 1670 return Binder.getCallingPid(); 1671 } 1672 1673 UserHandle binderGetCallingUserHandle() { 1674 return Binder.getCallingUserHandle(); 1675 } 1676 1677 boolean binderIsCallingUidMyUid() { 1678 return getCallingUid() == Process.myUid(); 1679 } 1680 1681 final int userHandleGetCallingUserId() { 1682 return UserHandle.getUserId(binderGetCallingUid()); 1683 } 1684 1685 File environmentGetUserSystemDirectory(int userId) { 1686 return Environment.getUserSystemDirectory(userId); 1687 } 1688 1689 void powerManagerGoToSleep(long time, int reason, int flags) { 1690 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1691 } 1692 1693 void powerManagerReboot(String reason) { 1694 mContext.getSystemService(PowerManager.class).reboot(reason); 1695 } 1696 1697 void recoverySystemRebootWipeUserData(boolean shutdown, String reason, boolean force, 1698 boolean wipeEuicc) throws IOException { 1699 RecoverySystem.rebootWipeUserData(mContext, shutdown, reason, force, wipeEuicc); 1700 } 1701 1702 boolean systemPropertiesGetBoolean(String key, boolean def) { 1703 return SystemProperties.getBoolean(key, def); 1704 } 1705 1706 long systemPropertiesGetLong(String key, long def) { 1707 return SystemProperties.getLong(key, def); 1708 } 1709 1710 String systemPropertiesGet(String key, String def) { 1711 return SystemProperties.get(key, def); 1712 } 1713 1714 String systemPropertiesGet(String key) { 1715 return SystemProperties.get(key); 1716 } 1717 1718 void systemPropertiesSet(String key, String value) { 1719 SystemProperties.set(key, value); 1720 } 1721 1722 boolean userManagerIsSplitSystemUser() { 1723 return UserManager.isSplitSystemUser(); 1724 } 1725 1726 String getDevicePolicyFilePathForSystemUser() { 1727 return "/data/system/"; 1728 } 1729 1730 PendingIntent pendingIntentGetActivityAsUser(Context context, int requestCode, 1731 @NonNull Intent intent, int flags, Bundle options, UserHandle user) { 1732 return PendingIntent.getActivityAsUser( 1733 context, requestCode, intent, flags, options, user); 1734 } 1735 1736 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1737 ContentObserver observer, int userHandle) { 1738 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1739 observer, userHandle); 1740 } 1741 1742 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1743 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1744 name, def, userHandle); 1745 } 1746 1747 String settingsSecureGetStringForUser(String name, int userHandle) { 1748 return Settings.Secure.getStringForUser(mContext.getContentResolver(), name, 1749 userHandle); 1750 } 1751 1752 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1753 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1754 name, value, userHandle); 1755 } 1756 1757 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1758 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1759 name, value, userHandle); 1760 } 1761 1762 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1763 Settings.Global.putStringForUser(mContext.getContentResolver(), 1764 name, value, userHandle); 1765 } 1766 1767 void settingsSecurePutInt(String name, int value) { 1768 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1769 } 1770 1771 int settingsGlobalGetInt(String name, int def) { 1772 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1773 } 1774 1775 String settingsGlobalGetString(String name) { 1776 return Settings.Global.getString(mContext.getContentResolver(), name); 1777 } 1778 1779 void settingsGlobalPutInt(String name, int value) { 1780 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1781 } 1782 1783 void settingsSecurePutString(String name, String value) { 1784 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1785 } 1786 1787 void settingsGlobalPutString(String name, String value) { 1788 Settings.Global.putString(mContext.getContentResolver(), name, value); 1789 } 1790 1791 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1792 SecurityLog.setLoggingEnabledProperty(enabled); 1793 } 1794 1795 boolean securityLogGetLoggingEnabledProperty() { 1796 return SecurityLog.getLoggingEnabledProperty(); 1797 } 1798 1799 boolean securityLogIsLoggingEnabled() { 1800 return SecurityLog.isLoggingEnabled(); 1801 } 1802 1803 KeyChainConnection keyChainBindAsUser(UserHandle user) throws InterruptedException { 1804 return KeyChain.bindAsUser(mContext, user); 1805 } 1806 } 1807 1808 /** 1809 * Instantiates the service. 1810 */ 1811 public DevicePolicyManagerService(Context context) { 1812 this(new Injector(context)); 1813 } 1814 1815 @VisibleForTesting 1816 DevicePolicyManagerService(Injector injector) { 1817 mInjector = injector; 1818 mContext = Preconditions.checkNotNull(injector.mContext); 1819 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1820 mConstants = DevicePolicyConstants.loadFromString( 1821 mInjector.settingsGlobalGetString(Global.DEVICE_POLICY_CONSTANTS)); 1822 1823 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1824 1825 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1826 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1827 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1828 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1829 1830 mLocalService = new LocalService(); 1831 mLockPatternUtils = injector.newLockPatternUtils(); 1832 1833 // TODO: why does SecurityLogMonitor need to be created even when mHasFeature == false? 1834 mSecurityLogMonitor = new SecurityLogMonitor(this); 1835 1836 mHasFeature = mInjector.getPackageManager() 1837 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1838 mIsWatch = mInjector.getPackageManager() 1839 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1840 mBackgroundHandler = BackgroundThread.getHandler(); 1841 1842 // Needed when mHasFeature == false, because it controls the certificate warning text. 1843 mCertificateMonitor = new CertificateMonitor(this, mInjector, mBackgroundHandler); 1844 1845 mDeviceAdminServiceController = new DeviceAdminServiceController(this, mConstants); 1846 1847 if (!mHasFeature) { 1848 // Skip the rest of the initialization 1849 return; 1850 } 1851 1852 IntentFilter filter = new IntentFilter(); 1853 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1854 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1855 filter.addAction(Intent.ACTION_USER_ADDED); 1856 filter.addAction(Intent.ACTION_USER_REMOVED); 1857 filter.addAction(Intent.ACTION_USER_STARTED); 1858 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1859 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1860 filter = new IntentFilter(); 1861 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1862 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1863 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1864 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1865 filter.addDataScheme("package"); 1866 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1867 filter = new IntentFilter(); 1868 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1869 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1870 1871 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1872 1873 mSetupContentObserver = new SetupContentObserver(mHandler); 1874 } 1875 1876 /** 1877 * Creates and loads the policy data from xml. 1878 * @param userHandle the user for whom to load the policy data 1879 * @return 1880 */ 1881 @NonNull 1882 DevicePolicyData getUserData(int userHandle) { 1883 synchronized (this) { 1884 DevicePolicyData policy = mUserData.get(userHandle); 1885 if (policy == null) { 1886 policy = new DevicePolicyData(userHandle); 1887 mUserData.append(userHandle, policy); 1888 loadSettingsLocked(policy, userHandle); 1889 } 1890 return policy; 1891 } 1892 } 1893 1894 /** 1895 * Creates and loads the policy data from xml for data that is shared between 1896 * various profiles of a user. In contrast to {@link #getUserData(int)} 1897 * it allows access to data of users other than the calling user. 1898 * 1899 * This function should only be used for shared data, e.g. everything regarding 1900 * passwords and should be removed once multiple screen locks are present. 1901 * @param userHandle the user for whom to load the policy data 1902 * @return 1903 */ 1904 DevicePolicyData getUserDataUnchecked(int userHandle) { 1905 long ident = mInjector.binderClearCallingIdentity(); 1906 try { 1907 return getUserData(userHandle); 1908 } finally { 1909 mInjector.binderRestoreCallingIdentity(ident); 1910 } 1911 } 1912 1913 void removeUserData(int userHandle) { 1914 synchronized (this) { 1915 if (userHandle == UserHandle.USER_SYSTEM) { 1916 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1917 return; 1918 } 1919 mOwners.removeProfileOwner(userHandle); 1920 mOwners.writeProfileOwner(userHandle); 1921 1922 DevicePolicyData policy = mUserData.get(userHandle); 1923 if (policy != null) { 1924 mUserData.remove(userHandle); 1925 } 1926 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1927 DEVICE_POLICIES_XML); 1928 policyFile.delete(); 1929 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1930 } 1931 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1932 } 1933 1934 void loadOwners() { 1935 synchronized (this) { 1936 mOwners.load(); 1937 setDeviceOwnerSystemPropertyLocked(); 1938 findOwnerComponentIfNecessaryLocked(); 1939 migrateUserRestrictionsIfNecessaryLocked(); 1940 maybeSetDefaultDeviceOwnerUserRestrictionsLocked(); 1941 1942 // TODO PO may not have a class name either due to b/17652534. Address that too. 1943 1944 updateDeviceOwnerLocked(); 1945 } 1946 } 1947 1948 /** Apply default restrictions that haven't been applied to device owners yet. */ 1949 private void maybeSetDefaultDeviceOwnerUserRestrictionsLocked() { 1950 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 1951 if (deviceOwner != null) { 1952 maybeSetDefaultRestrictionsForAdminLocked(mOwners.getDeviceOwnerUserId(), 1953 deviceOwner, UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); 1954 } 1955 } 1956 1957 /** Apply default restrictions that haven't been applied to profile owners yet. */ 1958 private void maybeSetDefaultProfileOwnerUserRestrictions() { 1959 synchronized (this) { 1960 for (final int userId : mOwners.getProfileOwnerKeys()) { 1961 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 1962 // The following restrictions used to be applied to managed profiles by different 1963 // means (via Settings or by disabling components). Now they are proper user 1964 // restrictions so we apply them to managed profile owners. Non-managed secondary 1965 // users didn't have those restrictions so we skip them to keep existing behavior. 1966 if (profileOwner == null || !mUserManager.isManagedProfile(userId)) { 1967 continue; 1968 } 1969 maybeSetDefaultRestrictionsForAdminLocked(userId, profileOwner, 1970 UserRestrictionsUtils.getDefaultEnabledForManagedProfiles()); 1971 ensureUnknownSourcesRestrictionForProfileOwnerLocked( 1972 userId, profileOwner, false /* newOwner */); 1973 } 1974 } 1975 } 1976 1977 /** 1978 * Checks whether {@link UserManager#DISALLOW_INSTALL_UNKNOWN_SOURCES} should be added to the 1979 * set of restrictions for this profile owner. 1980 */ 1981 private void ensureUnknownSourcesRestrictionForProfileOwnerLocked(int userId, 1982 ActiveAdmin profileOwner, boolean newOwner) { 1983 if (newOwner || mInjector.settingsSecureGetIntForUser( 1984 Settings.Secure.UNKNOWN_SOURCES_DEFAULT_REVERSED, 0, userId) != 0) { 1985 profileOwner.ensureUserRestrictions().putBoolean( 1986 UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, true); 1987 saveUserRestrictionsLocked(userId); 1988 mInjector.settingsSecurePutIntForUser( 1989 Settings.Secure.UNKNOWN_SOURCES_DEFAULT_REVERSED, 0, userId); 1990 } 1991 } 1992 1993 /** 1994 * Apply default restrictions that haven't been applied to a given admin yet. 1995 */ 1996 private void maybeSetDefaultRestrictionsForAdminLocked( 1997 int userId, ActiveAdmin admin, Set<String> defaultRestrictions) { 1998 if (defaultRestrictions.equals(admin.defaultEnabledRestrictionsAlreadySet)) { 1999 return; // The same set of default restrictions has been already applied. 2000 } 2001 Slog.i(LOG_TAG, "New user restrictions need to be set by default for user " + userId); 2002 2003 if (VERBOSE_LOG) { 2004 Slog.d(LOG_TAG,"Default enabled restrictions: " 2005 + defaultRestrictions 2006 + ". Restrictions already enabled: " 2007 + admin.defaultEnabledRestrictionsAlreadySet); 2008 } 2009 2010 final Set<String> restrictionsToSet = new ArraySet<>(defaultRestrictions); 2011 restrictionsToSet.removeAll(admin.defaultEnabledRestrictionsAlreadySet); 2012 if (!restrictionsToSet.isEmpty()) { 2013 for (final String restriction : restrictionsToSet) { 2014 admin.ensureUserRestrictions().putBoolean(restriction, true); 2015 } 2016 admin.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); 2017 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictionsToSet); 2018 saveUserRestrictionsLocked(userId); 2019 } 2020 } 2021 2022 private void setDeviceOwnerSystemPropertyLocked() { 2023 final boolean deviceProvisioned = 2024 mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) != 0; 2025 final boolean hasDeviceOwner = mOwners.hasDeviceOwner(); 2026 // If the device is not provisioned and there is currently no device owner, do not set the 2027 // read-only system property yet, since Device owner may still be provisioned. 2028 if (!hasDeviceOwner && !deviceProvisioned) { 2029 return; 2030 } 2031 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 2032 // always false at this point. 2033 if (StorageManager.inCryptKeeperBounce()) { 2034 return; 2035 } 2036 2037 if (!mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT, "").isEmpty()) { 2038 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 2039 } else { 2040 final String value = Boolean.toString(hasDeviceOwner); 2041 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, value); 2042 Slog.i(LOG_TAG, "Set ro.device_owner property to " + value); 2043 2044 if (hasDeviceOwner && mInjector.securityLogGetLoggingEnabledProperty()) { 2045 mSecurityLogMonitor.start(); 2046 maybePauseDeviceWideLoggingLocked(); 2047 } 2048 } 2049 } 2050 2051 private void findOwnerComponentIfNecessaryLocked() { 2052 if (!mOwners.hasDeviceOwner()) { 2053 return; 2054 } 2055 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 2056 2057 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 2058 return; // Already a full component name. 2059 } 2060 2061 final ComponentName doComponent = findAdminComponentWithPackageLocked( 2062 doComponentName.getPackageName(), 2063 mOwners.getDeviceOwnerUserId()); 2064 if (doComponent == null) { 2065 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 2066 } else { 2067 mOwners.setDeviceOwnerWithRestrictionsMigrated( 2068 doComponent, 2069 mOwners.getDeviceOwnerName(), 2070 mOwners.getDeviceOwnerUserId(), 2071 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 2072 mOwners.writeDeviceOwner(); 2073 if (VERBOSE_LOG) { 2074 Log.v(LOG_TAG, "Device owner component filled in"); 2075 } 2076 } 2077 } 2078 2079 /** 2080 * We didn't use to persist user restrictions for each owners but only persisted in user 2081 * manager. 2082 */ 2083 private void migrateUserRestrictionsIfNecessaryLocked() { 2084 boolean migrated = false; 2085 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 2086 // except for the "system controlled" ones. 2087 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 2088 if (VERBOSE_LOG) { 2089 Log.v(LOG_TAG, "Migrating DO user restrictions"); 2090 } 2091 migrated = true; 2092 2093 // Migrate user 0 restrictions to DO. 2094 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 2095 2096 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 2097 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 2098 2099 // Push DO user restrictions to user manager. 2100 pushUserRestrictions(UserHandle.USER_SYSTEM); 2101 2102 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 2103 } 2104 2105 // Migrate for POs. 2106 2107 // The following restrictions can be set on secondary users by the device owner, so we 2108 // assume they're not from the PO. 2109 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 2110 UserManager.DISALLOW_OUTGOING_CALLS, 2111 UserManager.DISALLOW_SMS); 2112 2113 for (UserInfo ui : mUserManager.getUsers()) { 2114 final int userId = ui.id; 2115 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 2116 if (VERBOSE_LOG) { 2117 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 2118 } 2119 migrated = true; 2120 2121 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 2122 2123 final Set<String> exceptionList = 2124 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 2125 2126 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 2127 exceptionList, /* isDeviceOwner =*/ false); 2128 2129 // Note if a secondary user has no PO but has a DA that disables camera, we 2130 // don't get here and won't push the camera user restriction to UserManager 2131 // here. That's okay because we'll push user restrictions anyway when a user 2132 // starts. But we still do it because we want to let user manager persist 2133 // upon migration. 2134 pushUserRestrictions(userId); 2135 2136 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 2137 } 2138 } 2139 if (VERBOSE_LOG && migrated) { 2140 Log.v(LOG_TAG, "User restrictions migrated."); 2141 } 2142 } 2143 2144 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 2145 Set<String> exceptionList, boolean isDeviceOwner) { 2146 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 2147 user.getIdentifier()); 2148 2149 final Bundle newBaseRestrictions = new Bundle(); 2150 final Bundle newOwnerRestrictions = new Bundle(); 2151 2152 for (String key : origRestrictions.keySet()) { 2153 if (!origRestrictions.getBoolean(key)) { 2154 continue; 2155 } 2156 final boolean canOwnerChange = isDeviceOwner 2157 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 2158 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 2159 2160 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 2161 newBaseRestrictions.putBoolean(key, true); 2162 } else { 2163 newOwnerRestrictions.putBoolean(key, true); 2164 } 2165 } 2166 2167 if (VERBOSE_LOG) { 2168 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 2169 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 2170 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 2171 } 2172 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 2173 newBaseRestrictions); 2174 2175 if (admin != null) { 2176 admin.ensureUserRestrictions().clear(); 2177 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 2178 } else { 2179 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 2180 } 2181 saveSettingsLocked(user.getIdentifier()); 2182 } 2183 2184 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 2185 final DevicePolicyData policy = getUserData(userId); 2186 final int n = policy.mAdminList.size(); 2187 ComponentName found = null; 2188 int nFound = 0; 2189 for (int i = 0; i < n; i++) { 2190 final ActiveAdmin admin = policy.mAdminList.get(i); 2191 if (packageName.equals(admin.info.getPackageName())) { 2192 // Found! 2193 if (nFound == 0) { 2194 found = admin.info.getComponent(); 2195 } 2196 nFound++; 2197 } 2198 } 2199 if (nFound > 1) { 2200 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 2201 } 2202 return found; 2203 } 2204 2205 /** 2206 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 2207 * reminders. Clears alarm if no expirations are configured. 2208 */ 2209 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 2210 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 2211 final long now = System.currentTimeMillis(); 2212 final long timeToExpire = expiration - now; 2213 final long alarmTime; 2214 if (expiration == 0) { 2215 // No expirations are currently configured: Cancel alarm. 2216 alarmTime = 0; 2217 } else if (timeToExpire <= 0) { 2218 // The password has already expired: Repeat every 24 hours. 2219 alarmTime = now + MS_PER_DAY; 2220 } else { 2221 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 2222 // the expiration time. 2223 long alarmInterval = timeToExpire % MS_PER_DAY; 2224 if (alarmInterval == 0) { 2225 alarmInterval = MS_PER_DAY; 2226 } 2227 alarmTime = now + alarmInterval; 2228 } 2229 2230 long token = mInjector.binderClearCallingIdentity(); 2231 try { 2232 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2233 AlarmManager am = mInjector.getAlarmManager(); 2234 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2235 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2236 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2237 UserHandle.of(affectedUserHandle)); 2238 am.cancel(pi); 2239 if (alarmTime != 0) { 2240 am.set(AlarmManager.RTC, alarmTime, pi); 2241 } 2242 } finally { 2243 mInjector.binderRestoreCallingIdentity(token); 2244 } 2245 } 2246 2247 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2248 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2249 if (admin != null 2250 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2251 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2252 return admin; 2253 } 2254 return null; 2255 } 2256 2257 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2258 if (parent) { 2259 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2260 } 2261 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2262 if (admin != null && parent) { 2263 admin = admin.getParentActiveAdmin(); 2264 } 2265 return admin; 2266 } 2267 2268 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2269 throws SecurityException { 2270 final int callingUid = mInjector.binderGetCallingUid(); 2271 2272 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2273 if (result != null) { 2274 return result; 2275 } 2276 2277 if (who != null) { 2278 final int userId = UserHandle.getUserId(callingUid); 2279 final DevicePolicyData policy = getUserData(userId); 2280 ActiveAdmin admin = policy.mAdminMap.get(who); 2281 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2282 throw new SecurityException("Admin " + admin.info.getComponent() 2283 + " does not own the device"); 2284 } 2285 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2286 throw new SecurityException("Admin " + admin.info.getComponent() 2287 + " does not own the profile"); 2288 } 2289 throw new SecurityException("Admin " + admin.info.getComponent() 2290 + " did not specify uses-policy for: " 2291 + admin.info.getTagForPolicy(reqPolicy)); 2292 } else { 2293 throw new SecurityException("No active admin owned by uid " 2294 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2295 } 2296 } 2297 2298 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2299 throws SecurityException { 2300 if (parent) { 2301 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2302 "call APIs on the parent profile"); 2303 } 2304 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2305 return parent ? admin.getParentActiveAdmin() : admin; 2306 } 2307 /** 2308 * Find the admin for the component and userId bit of the uid, then check 2309 * the admin's uid matches the uid. 2310 */ 2311 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2312 final int userId = UserHandle.getUserId(uid); 2313 final DevicePolicyData policy = getUserData(userId); 2314 ActiveAdmin admin = policy.mAdminMap.get(who); 2315 if (admin == null) { 2316 throw new SecurityException("No active admin " + who); 2317 } 2318 if (admin.getUid() != uid) { 2319 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2320 } 2321 return admin; 2322 } 2323 2324 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2325 int uid) { 2326 // Try to find an admin which can use reqPolicy 2327 final int userId = UserHandle.getUserId(uid); 2328 final DevicePolicyData policy = getUserData(userId); 2329 if (who != null) { 2330 ActiveAdmin admin = policy.mAdminMap.get(who); 2331 if (admin == null) { 2332 throw new SecurityException("No active admin " + who); 2333 } 2334 if (admin.getUid() != uid) { 2335 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2336 } 2337 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2338 return admin; 2339 } 2340 } else { 2341 for (ActiveAdmin admin : policy.mAdminList) { 2342 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2343 userId)) { 2344 return admin; 2345 } 2346 } 2347 } 2348 2349 return null; 2350 } 2351 2352 @VisibleForTesting 2353 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2354 int userId) { 2355 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2356 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2357 2358 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2359 return ownsDevice; 2360 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2361 // DO always has the PO power. 2362 return ownsDevice || ownsProfile; 2363 } else { 2364 return admin.info.usesPolicy(reqPolicy); 2365 } 2366 } 2367 2368 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2369 sendAdminCommandLocked(admin, action, null); 2370 } 2371 2372 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2373 sendAdminCommandLocked(admin, action, null, result); 2374 } 2375 2376 /** 2377 * Send an update to one specific admin, get notified when that admin returns a result. 2378 */ 2379 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2380 BroadcastReceiver result) { 2381 Intent intent = new Intent(action); 2382 intent.setComponent(admin.info.getComponent()); 2383 if (UserManager.isDeviceInDemoMode(mContext)) { 2384 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 2385 } 2386 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2387 intent.putExtra("expiration", admin.passwordExpirationDate); 2388 } 2389 if (adminExtras != null) { 2390 intent.putExtras(adminExtras); 2391 } 2392 if (result != null) { 2393 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2394 null, result, mHandler, Activity.RESULT_OK, null, null); 2395 } else { 2396 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2397 } 2398 } 2399 2400 /** 2401 * Send an update to all admins of a user that enforce a specified policy. 2402 */ 2403 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle, Bundle adminExtras) { 2404 final DevicePolicyData policy = getUserData(userHandle); 2405 final int count = policy.mAdminList.size(); 2406 for (int i = 0; i < count; i++) { 2407 final ActiveAdmin admin = policy.mAdminList.get(i); 2408 if (admin.info.usesPolicy(reqPolicy)) { 2409 sendAdminCommandLocked(admin, action, adminExtras, null); 2410 } 2411 } 2412 } 2413 2414 /** 2415 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2416 * enforce a specified policy. 2417 */ 2418 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2419 int userHandle, Bundle adminExtras) { 2420 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2421 for (int profileId : profileIds) { 2422 sendAdminCommandLocked(action, reqPolicy, profileId, adminExtras); 2423 } 2424 } 2425 2426 /** 2427 * Sends a broadcast to each profile that share the password unlock with the given user id. 2428 */ 2429 private void sendAdminCommandForLockscreenPoliciesLocked( 2430 String action, int reqPolicy, int userHandle) { 2431 final Bundle extras = new Bundle(); 2432 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2433 if (isSeparateProfileChallengeEnabled(userHandle)) { 2434 sendAdminCommandLocked(action, reqPolicy, userHandle, extras); 2435 } else { 2436 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle, extras); 2437 } 2438 } 2439 2440 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2441 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2442 DevicePolicyData policy = getUserData(userHandle); 2443 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2444 policy.mRemovingAdmins.add(adminReceiver); 2445 sendAdminCommandLocked(admin, 2446 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2447 new BroadcastReceiver() { 2448 @Override 2449 public void onReceive(Context context, Intent intent) { 2450 removeAdminArtifacts(adminReceiver, userHandle); 2451 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2452 } 2453 }); 2454 } 2455 } 2456 2457 2458 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2459 boolean throwForMissiongPermission) { 2460 if (!mHasFeature) { 2461 return null; 2462 } 2463 enforceFullCrossUsersPermission(userHandle); 2464 ActivityInfo ai = null; 2465 try { 2466 ai = mIPackageManager.getReceiverInfo(adminName, 2467 PackageManager.GET_META_DATA | 2468 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2469 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2470 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2471 } catch (RemoteException e) { 2472 // shouldn't happen. 2473 } 2474 if (ai == null) { 2475 throw new IllegalArgumentException("Unknown admin: " + adminName); 2476 } 2477 2478 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2479 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2480 + permission.BIND_DEVICE_ADMIN; 2481 Slog.w(LOG_TAG, message); 2482 if (throwForMissiongPermission && 2483 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2484 throw new IllegalArgumentException(message); 2485 } 2486 } 2487 2488 try { 2489 return new DeviceAdminInfo(mContext, ai); 2490 } catch (XmlPullParserException | IOException e) { 2491 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2492 e); 2493 return null; 2494 } 2495 } 2496 2497 private JournaledFile makeJournaledFile(int userHandle) { 2498 final String base = userHandle == UserHandle.USER_SYSTEM 2499 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2500 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2501 DEVICE_POLICIES_XML).getAbsolutePath(); 2502 if (VERBOSE_LOG) { 2503 Log.v(LOG_TAG, "Opening " + base); 2504 } 2505 return new JournaledFile(new File(base), new File(base + ".tmp")); 2506 } 2507 2508 private void saveSettingsLocked(int userHandle) { 2509 DevicePolicyData policy = getUserData(userHandle); 2510 JournaledFile journal = makeJournaledFile(userHandle); 2511 FileOutputStream stream = null; 2512 try { 2513 stream = new FileOutputStream(journal.chooseForWrite(), false); 2514 XmlSerializer out = new FastXmlSerializer(); 2515 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2516 out.startDocument(null, true); 2517 2518 out.startTag(null, "policies"); 2519 if (policy.mRestrictionsProvider != null) { 2520 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2521 policy.mRestrictionsProvider.flattenToString()); 2522 } 2523 if (policy.mUserSetupComplete) { 2524 out.attribute(null, ATTR_SETUP_COMPLETE, 2525 Boolean.toString(true)); 2526 } 2527 if (policy.mPaired) { 2528 out.attribute(null, ATTR_DEVICE_PAIRED, 2529 Boolean.toString(true)); 2530 } 2531 if (policy.mDeviceProvisioningConfigApplied) { 2532 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2533 Boolean.toString(true)); 2534 } 2535 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2536 out.attribute(null, ATTR_PROVISIONING_STATE, 2537 Integer.toString(policy.mUserProvisioningState)); 2538 } 2539 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2540 out.attribute(null, ATTR_PERMISSION_POLICY, 2541 Integer.toString(policy.mPermissionPolicy)); 2542 } 2543 2544 // Serialize delegations. 2545 for (int i = 0; i < policy.mDelegationMap.size(); ++i) { 2546 final String delegatePackage = policy.mDelegationMap.keyAt(i); 2547 final List<String> scopes = policy.mDelegationMap.valueAt(i); 2548 2549 // Every "delegation" tag serializes the information of one delegate-scope pair. 2550 for (String scope : scopes) { 2551 out.startTag(null, "delegation"); 2552 out.attribute(null, "delegatePackage", delegatePackage); 2553 out.attribute(null, "scope", scope); 2554 out.endTag(null, "delegation"); 2555 } 2556 } 2557 2558 final int N = policy.mAdminList.size(); 2559 for (int i=0; i<N; i++) { 2560 ActiveAdmin ap = policy.mAdminList.get(i); 2561 if (ap != null) { 2562 out.startTag(null, "admin"); 2563 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2564 ap.writeToXml(out); 2565 out.endTag(null, "admin"); 2566 } 2567 } 2568 2569 if (policy.mPasswordOwner >= 0) { 2570 out.startTag(null, "password-owner"); 2571 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2572 out.endTag(null, "password-owner"); 2573 } 2574 2575 if (policy.mFailedPasswordAttempts != 0) { 2576 out.startTag(null, "failed-password-attempts"); 2577 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2578 out.endTag(null, "failed-password-attempts"); 2579 } 2580 2581 // For FDE devices only, we save this flag so we can report on password sufficiency 2582 // before the user enters their password for the first time after a reboot. For 2583 // security reasons, we don't want to store the full set of active password metrics. 2584 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2585 out.startTag(null, TAG_PASSWORD_VALIDITY); 2586 out.attribute(null, ATTR_VALUE, 2587 Boolean.toString(policy.mPasswordValidAtLastCheckpoint)); 2588 out.endTag(null, TAG_PASSWORD_VALIDITY); 2589 } 2590 2591 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2592 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2593 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2594 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2595 } 2596 2597 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2598 String component = policy.mLockTaskPackages.get(i); 2599 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2600 out.attribute(null, "name", component); 2601 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2602 } 2603 2604 if (policy.mStatusBarDisabled) { 2605 out.startTag(null, TAG_STATUS_BAR); 2606 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2607 out.endTag(null, TAG_STATUS_BAR); 2608 } 2609 2610 if (policy.doNotAskCredentialsOnBoot) { 2611 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2612 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2613 } 2614 2615 for (String id : policy.mAffiliationIds) { 2616 out.startTag(null, TAG_AFFILIATION_ID); 2617 out.attribute(null, ATTR_ID, id); 2618 out.endTag(null, TAG_AFFILIATION_ID); 2619 } 2620 2621 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2622 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2623 out.attribute(null, ATTR_VALUE, 2624 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2625 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2626 } 2627 2628 if (policy.mLastBugReportRequestTime >= 0) { 2629 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2630 out.attribute(null, ATTR_VALUE, 2631 Long.toString(policy.mLastBugReportRequestTime)); 2632 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2633 } 2634 2635 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2636 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2637 out.attribute(null, ATTR_VALUE, 2638 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2639 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2640 } 2641 2642 if (policy.mAdminBroadcastPending) { 2643 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2644 out.attribute(null, ATTR_VALUE, 2645 Boolean.toString(policy.mAdminBroadcastPending)); 2646 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2647 } 2648 2649 if (policy.mInitBundle != null) { 2650 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2651 policy.mInitBundle.saveToXml(out); 2652 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2653 } 2654 2655 if (policy.mPasswordTokenHandle != 0) { 2656 out.startTag(null, TAG_PASSWORD_TOKEN_HANDLE); 2657 out.attribute(null, ATTR_VALUE, 2658 Long.toString(policy.mPasswordTokenHandle)); 2659 out.endTag(null, TAG_PASSWORD_TOKEN_HANDLE); 2660 } 2661 2662 if (policy.mCurrentInputMethodSet) { 2663 out.startTag(null, TAG_CURRENT_INPUT_METHOD_SET); 2664 out.endTag(null, TAG_CURRENT_INPUT_METHOD_SET); 2665 } 2666 2667 for (final String cert : policy.mOwnerInstalledCaCerts) { 2668 out.startTag(null, TAG_OWNER_INSTALLED_CA_CERT); 2669 out.attribute(null, ATTR_ALIAS, cert); 2670 out.endTag(null, TAG_OWNER_INSTALLED_CA_CERT); 2671 } 2672 2673 out.endTag(null, "policies"); 2674 2675 out.endDocument(); 2676 stream.flush(); 2677 FileUtils.sync(stream); 2678 stream.close(); 2679 journal.commit(); 2680 sendChangedNotification(userHandle); 2681 } catch (XmlPullParserException | IOException e) { 2682 Slog.w(LOG_TAG, "failed writing file", e); 2683 try { 2684 if (stream != null) { 2685 stream.close(); 2686 } 2687 } catch (IOException ex) { 2688 // Ignore 2689 } 2690 journal.rollback(); 2691 } 2692 } 2693 2694 private void sendChangedNotification(int userHandle) { 2695 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2696 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2697 long ident = mInjector.binderClearCallingIdentity(); 2698 try { 2699 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2700 } finally { 2701 mInjector.binderRestoreCallingIdentity(ident); 2702 } 2703 } 2704 2705 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2706 JournaledFile journal = makeJournaledFile(userHandle); 2707 FileInputStream stream = null; 2708 File file = journal.chooseForRead(); 2709 boolean needsRewrite = false; 2710 try { 2711 stream = new FileInputStream(file); 2712 XmlPullParser parser = Xml.newPullParser(); 2713 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2714 2715 int type; 2716 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2717 && type != XmlPullParser.START_TAG) { 2718 } 2719 String tag = parser.getName(); 2720 if (!"policies".equals(tag)) { 2721 throw new XmlPullParserException( 2722 "Settings do not start with policies tag: found " + tag); 2723 } 2724 2725 // Extract the permission provider component name if available 2726 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2727 if (permissionProvider != null) { 2728 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2729 } 2730 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2731 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2732 policy.mUserSetupComplete = true; 2733 } 2734 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2735 if (paired != null && Boolean.toString(true).equals(paired)) { 2736 policy.mPaired = true; 2737 } 2738 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2739 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2740 if (deviceProvisioningConfigApplied != null 2741 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2742 policy.mDeviceProvisioningConfigApplied = true; 2743 } 2744 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2745 if (!TextUtils.isEmpty(provisioningState)) { 2746 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2747 } 2748 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2749 if (!TextUtils.isEmpty(permissionPolicy)) { 2750 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2751 } 2752 // Check for delegation compatibility with pre-O. 2753 // TODO(edmanp) remove in P. 2754 { 2755 final String certDelegate = parser.getAttributeValue(null, 2756 ATTR_DELEGATED_CERT_INSTALLER); 2757 if (certDelegate != null) { 2758 List<String> scopes = policy.mDelegationMap.get(certDelegate); 2759 if (scopes == null) { 2760 scopes = new ArrayList<>(); 2761 policy.mDelegationMap.put(certDelegate, scopes); 2762 } 2763 if (!scopes.contains(DELEGATION_CERT_INSTALL)) { 2764 scopes.add(DELEGATION_CERT_INSTALL); 2765 needsRewrite = true; 2766 } 2767 } 2768 final String appRestrictionsDelegate = parser.getAttributeValue(null, 2769 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2770 if (appRestrictionsDelegate != null) { 2771 List<String> scopes = policy.mDelegationMap.get(appRestrictionsDelegate); 2772 if (scopes == null) { 2773 scopes = new ArrayList<>(); 2774 policy.mDelegationMap.put(appRestrictionsDelegate, scopes); 2775 } 2776 if (!scopes.contains(DELEGATION_APP_RESTRICTIONS)) { 2777 scopes.add(DELEGATION_APP_RESTRICTIONS); 2778 needsRewrite = true; 2779 } 2780 } 2781 } 2782 2783 type = parser.next(); 2784 int outerDepth = parser.getDepth(); 2785 policy.mLockTaskPackages.clear(); 2786 policy.mAdminList.clear(); 2787 policy.mAdminMap.clear(); 2788 policy.mAffiliationIds.clear(); 2789 policy.mOwnerInstalledCaCerts.clear(); 2790 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2791 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2792 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2793 continue; 2794 } 2795 tag = parser.getName(); 2796 if ("admin".equals(tag)) { 2797 String name = parser.getAttributeValue(null, "name"); 2798 try { 2799 DeviceAdminInfo dai = findAdmin( 2800 ComponentName.unflattenFromString(name), userHandle, 2801 /* throwForMissionPermission= */ false); 2802 if (VERBOSE_LOG 2803 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2804 != userHandle)) { 2805 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2806 + dai.getActivityInfo().applicationInfo.uid + " for user " 2807 + userHandle); 2808 } 2809 if (dai != null) { 2810 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2811 ap.readFromXml(parser); 2812 policy.mAdminMap.put(ap.info.getComponent(), ap); 2813 } 2814 } catch (RuntimeException e) { 2815 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2816 } 2817 } else if ("delegation".equals(tag)) { 2818 // Parse delegation info. 2819 final String delegatePackage = parser.getAttributeValue(null, 2820 "delegatePackage"); 2821 final String scope = parser.getAttributeValue(null, "scope"); 2822 2823 // Get a reference to the scopes list for the delegatePackage. 2824 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 2825 // Or make a new list if none was found. 2826 if (scopes == null) { 2827 scopes = new ArrayList<>(); 2828 policy.mDelegationMap.put(delegatePackage, scopes); 2829 } 2830 // Add the new scope to the list of delegatePackage if it's not already there. 2831 if (!scopes.contains(scope)) { 2832 scopes.add(scope); 2833 } 2834 } else if ("failed-password-attempts".equals(tag)) { 2835 policy.mFailedPasswordAttempts = Integer.parseInt( 2836 parser.getAttributeValue(null, "value")); 2837 } else if ("password-owner".equals(tag)) { 2838 policy.mPasswordOwner = Integer.parseInt( 2839 parser.getAttributeValue(null, "value")); 2840 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2841 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2842 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2843 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2844 } else if (TAG_STATUS_BAR.equals(tag)) { 2845 policy.mStatusBarDisabled = Boolean.parseBoolean( 2846 parser.getAttributeValue(null, ATTR_DISABLED)); 2847 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2848 policy.doNotAskCredentialsOnBoot = true; 2849 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2850 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2851 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2852 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2853 parser.getAttributeValue(null, ATTR_VALUE)); 2854 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2855 policy.mLastBugReportRequestTime = Long.parseLong( 2856 parser.getAttributeValue(null, ATTR_VALUE)); 2857 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2858 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2859 parser.getAttributeValue(null, ATTR_VALUE)); 2860 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2861 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2862 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2863 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2864 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2865 } else if ("active-password".equals(tag)) { 2866 // Remove password metrics from saved settings, as we no longer wish to store 2867 // these on disk 2868 needsRewrite = true; 2869 } else if (TAG_PASSWORD_VALIDITY.equals(tag)) { 2870 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2871 // This flag is only used for FDE devices 2872 policy.mPasswordValidAtLastCheckpoint = Boolean.parseBoolean( 2873 parser.getAttributeValue(null, ATTR_VALUE)); 2874 } 2875 } else if (TAG_PASSWORD_TOKEN_HANDLE.equals(tag)) { 2876 policy.mPasswordTokenHandle = Long.parseLong( 2877 parser.getAttributeValue(null, ATTR_VALUE)); 2878 } else if (TAG_CURRENT_INPUT_METHOD_SET.equals(tag)) { 2879 policy.mCurrentInputMethodSet = true; 2880 } else if (TAG_OWNER_INSTALLED_CA_CERT.equals(tag)) { 2881 policy.mOwnerInstalledCaCerts.add(parser.getAttributeValue(null, ATTR_ALIAS)); 2882 } else { 2883 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2884 XmlUtils.skipCurrentTag(parser); 2885 } 2886 } 2887 } catch (FileNotFoundException e) { 2888 // Don't be noisy, this is normal if we haven't defined any policies. 2889 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2890 | IndexOutOfBoundsException e) { 2891 Slog.w(LOG_TAG, "failed parsing " + file, e); 2892 } 2893 try { 2894 if (stream != null) { 2895 stream.close(); 2896 } 2897 } catch (IOException e) { 2898 // Ignore 2899 } 2900 2901 // Generate a list of admins from the admin map 2902 policy.mAdminList.addAll(policy.mAdminMap.values()); 2903 2904 // Might need to upgrade the file by rewriting it 2905 if (needsRewrite) { 2906 saveSettingsLocked(userHandle); 2907 } 2908 2909 validatePasswordOwnerLocked(policy); 2910 updateMaximumTimeToLockLocked(userHandle); 2911 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2912 if (policy.mStatusBarDisabled) { 2913 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2914 } 2915 } 2916 2917 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2918 long ident = mInjector.binderClearCallingIdentity(); 2919 try { 2920 mInjector.getIActivityManager() 2921 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2922 } catch (RemoteException e) { 2923 // Not gonna happen. 2924 } finally { 2925 mInjector.binderRestoreCallingIdentity(ident); 2926 } 2927 } 2928 2929 private void updateDeviceOwnerLocked() { 2930 long ident = mInjector.binderClearCallingIdentity(); 2931 try { 2932 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2933 // user id and also protect all other DAs too. 2934 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2935 if (deviceOwnerComponent != null) { 2936 mInjector.getIActivityManager() 2937 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2938 } 2939 } catch (RemoteException e) { 2940 // Not gonna happen. 2941 } finally { 2942 mInjector.binderRestoreCallingIdentity(ident); 2943 } 2944 } 2945 2946 static void validateQualityConstant(int quality) { 2947 switch (quality) { 2948 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2949 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2950 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2951 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2952 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2953 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2954 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2955 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2956 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2957 return; 2958 } 2959 throw new IllegalArgumentException("Invalid quality constant: 0x" 2960 + Integer.toHexString(quality)); 2961 } 2962 2963 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2964 if (policy.mPasswordOwner >= 0) { 2965 boolean haveOwner = false; 2966 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2967 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2968 haveOwner = true; 2969 break; 2970 } 2971 } 2972 if (!haveOwner) { 2973 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2974 + " no longer active; disabling"); 2975 policy.mPasswordOwner = -1; 2976 } 2977 } 2978 } 2979 2980 @VisibleForTesting 2981 void systemReady(int phase) { 2982 if (!mHasFeature) { 2983 return; 2984 } 2985 switch (phase) { 2986 case SystemService.PHASE_LOCK_SETTINGS_READY: 2987 onLockSettingsReady(); 2988 break; 2989 case SystemService.PHASE_BOOT_COMPLETED: 2990 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2991 break; 2992 } 2993 } 2994 2995 private void onLockSettingsReady() { 2996 getUserData(UserHandle.USER_SYSTEM); 2997 loadOwners(); 2998 cleanUpOldUsers(); 2999 maybeSetDefaultProfileOwnerUserRestrictions(); 3000 handleStartUser(UserHandle.USER_SYSTEM); 3001 3002 // Register an observer for watching for user setup complete and settings changes. 3003 mSetupContentObserver.register(); 3004 // Initialize the user setup state, to handle the upgrade case. 3005 updateUserSetupCompleteAndPaired(); 3006 3007 List<String> packageList; 3008 synchronized (this) { 3009 packageList = getKeepUninstalledPackagesLocked(); 3010 } 3011 if (packageList != null) { 3012 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 3013 } 3014 3015 synchronized (this) { 3016 // push the force-ephemeral-users policy to the user manager. 3017 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 3018 if (deviceOwner != null) { 3019 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 3020 } 3021 } 3022 } 3023 3024 private void ensureDeviceOwnerUserStarted() { 3025 final int userId; 3026 synchronized (this) { 3027 if (!mOwners.hasDeviceOwner()) { 3028 return; 3029 } 3030 userId = mOwners.getDeviceOwnerUserId(); 3031 } 3032 if (VERBOSE_LOG) { 3033 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 3034 } 3035 if (userId != UserHandle.USER_SYSTEM) { 3036 try { 3037 mInjector.getIActivityManager().startUserInBackground(userId); 3038 3039 // STOPSHIP Prevent the DO user from being killed. 3040 3041 } catch (RemoteException e) { 3042 Slog.w(LOG_TAG, "Exception starting user", e); 3043 } 3044 } 3045 } 3046 3047 void handleStartUser(int userId) { 3048 updateScreenCaptureDisabledInWindowManager(userId, 3049 getScreenCaptureDisabled(null, userId)); 3050 pushUserRestrictions(userId); 3051 3052 startOwnerService(userId, "start-user"); 3053 } 3054 3055 void handleUnlockUser(int userId) { 3056 startOwnerService(userId, "unlock-user"); 3057 } 3058 3059 void handleStopUser(int userId) { 3060 stopOwnerService(userId, "stop-user"); 3061 } 3062 3063 private void startOwnerService(int userId, String actionForLog) { 3064 final ComponentName owner = getOwnerComponent(userId); 3065 if (owner != null) { 3066 mDeviceAdminServiceController.startServiceForOwner( 3067 owner.getPackageName(), userId, actionForLog); 3068 } 3069 } 3070 3071 private void stopOwnerService(int userId, String actionForLog) { 3072 mDeviceAdminServiceController.stopServiceForOwner(userId, actionForLog); 3073 } 3074 3075 private void cleanUpOldUsers() { 3076 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 3077 // before reboot 3078 Set<Integer> usersWithProfileOwners; 3079 Set<Integer> usersWithData; 3080 synchronized(this) { 3081 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 3082 usersWithData = new ArraySet<>(); 3083 for (int i = 0; i < mUserData.size(); i++) { 3084 usersWithData.add(mUserData.keyAt(i)); 3085 } 3086 } 3087 List<UserInfo> allUsers = mUserManager.getUsers(); 3088 3089 Set<Integer> deletedUsers = new ArraySet<>(); 3090 deletedUsers.addAll(usersWithProfileOwners); 3091 deletedUsers.addAll(usersWithData); 3092 for (UserInfo userInfo : allUsers) { 3093 deletedUsers.remove(userInfo.id); 3094 } 3095 for (Integer userId : deletedUsers) { 3096 removeUserData(userId); 3097 } 3098 } 3099 3100 private void handlePasswordExpirationNotification(int userHandle) { 3101 final Bundle adminExtras = new Bundle(); 3102 adminExtras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 3103 3104 synchronized (this) { 3105 final long now = System.currentTimeMillis(); 3106 3107 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 3108 userHandle, /* parent */ false); 3109 final int N = admins.size(); 3110 for (int i = 0; i < N; i++) { 3111 ActiveAdmin admin = admins.get(i); 3112 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 3113 && admin.passwordExpirationTimeout > 0L 3114 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 3115 && admin.passwordExpirationDate > 0L) { 3116 sendAdminCommandLocked(admin, 3117 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING, adminExtras, null); 3118 } 3119 } 3120 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 3121 } 3122 } 3123 3124 /** 3125 * Clean up internal state when the set of installed trusted CA certificates changes. 3126 * 3127 * @param userHandle user to check for. This must be a real user and not, for example, 3128 * {@link UserHandle#ALL}. 3129 * @param installedCertificates the full set of certificate authorities currently installed for 3130 * {@param userHandle}. After calling this function, {@code mAcceptedCaCertificates} will 3131 * correspond to some subset of this. 3132 */ 3133 protected void onInstalledCertificatesChanged(final UserHandle userHandle, 3134 final @NonNull Collection<String> installedCertificates) { 3135 if (!mHasFeature) { 3136 return; 3137 } 3138 enforceManageUsers(); 3139 3140 synchronized (this) { 3141 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 3142 3143 boolean changed = false; 3144 changed |= policy.mAcceptedCaCertificates.retainAll(installedCertificates); 3145 changed |= policy.mOwnerInstalledCaCerts.retainAll(installedCertificates); 3146 if (changed) { 3147 saveSettingsLocked(userHandle.getIdentifier()); 3148 } 3149 } 3150 } 3151 3152 /** 3153 * Internal method used by {@link CertificateMonitor}. 3154 */ 3155 protected Set<String> getAcceptedCaCertificates(final UserHandle userHandle) { 3156 if (!mHasFeature) { 3157 return Collections.<String> emptySet(); 3158 } 3159 synchronized (this) { 3160 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 3161 return policy.mAcceptedCaCertificates; 3162 } 3163 } 3164 3165 /** 3166 * @param adminReceiver The admin to add 3167 * @param refreshing true = update an active admin, no error 3168 */ 3169 @Override 3170 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 3171 if (!mHasFeature) { 3172 return; 3173 } 3174 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 3175 } 3176 3177 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 3178 Bundle onEnableData) { 3179 mContext.enforceCallingOrSelfPermission( 3180 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3181 enforceFullCrossUsersPermission(userHandle); 3182 3183 DevicePolicyData policy = getUserData(userHandle); 3184 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 3185 /* throwForMissionPermission= */ true); 3186 if (info == null) { 3187 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 3188 } 3189 if (!info.getActivityInfo().applicationInfo.isInternal()) { 3190 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 3191 + adminReceiver); 3192 } 3193 if (info.getActivityInfo().applicationInfo.isInstantApp()) { 3194 throw new IllegalArgumentException("Instant apps cannot be device admins: " 3195 + adminReceiver); 3196 } 3197 synchronized (this) { 3198 long ident = mInjector.binderClearCallingIdentity(); 3199 try { 3200 final ActiveAdmin existingAdmin 3201 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3202 if (!refreshing && existingAdmin != null) { 3203 throw new IllegalArgumentException("Admin is already added"); 3204 } 3205 if (policy.mRemovingAdmins.contains(adminReceiver)) { 3206 throw new IllegalArgumentException( 3207 "Trying to set an admin which is being removed"); 3208 } 3209 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 3210 newAdmin.testOnlyAdmin = 3211 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 3212 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 3213 policy.mAdminMap.put(adminReceiver, newAdmin); 3214 int replaceIndex = -1; 3215 final int N = policy.mAdminList.size(); 3216 for (int i=0; i < N; i++) { 3217 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 3218 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 3219 replaceIndex = i; 3220 break; 3221 } 3222 } 3223 if (replaceIndex == -1) { 3224 policy.mAdminList.add(newAdmin); 3225 enableIfNecessary(info.getPackageName(), userHandle); 3226 } else { 3227 policy.mAdminList.set(replaceIndex, newAdmin); 3228 } 3229 saveSettingsLocked(userHandle); 3230 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 3231 onEnableData, null); 3232 } finally { 3233 mInjector.binderRestoreCallingIdentity(ident); 3234 } 3235 } 3236 } 3237 3238 @Override 3239 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3240 if (!mHasFeature) { 3241 return false; 3242 } 3243 enforceFullCrossUsersPermission(userHandle); 3244 synchronized (this) { 3245 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3246 } 3247 } 3248 3249 @Override 3250 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3251 if (!mHasFeature) { 3252 return false; 3253 } 3254 enforceFullCrossUsersPermission(userHandle); 3255 synchronized (this) { 3256 DevicePolicyData policyData = getUserData(userHandle); 3257 return policyData.mRemovingAdmins.contains(adminReceiver); 3258 } 3259 } 3260 3261 @Override 3262 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3263 if (!mHasFeature) { 3264 return false; 3265 } 3266 enforceFullCrossUsersPermission(userHandle); 3267 synchronized (this) { 3268 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3269 if (administrator == null) { 3270 throw new SecurityException("No active admin " + adminReceiver); 3271 } 3272 return administrator.info.usesPolicy(policyId); 3273 } 3274 } 3275 3276 @Override 3277 @SuppressWarnings("unchecked") 3278 public List<ComponentName> getActiveAdmins(int userHandle) { 3279 if (!mHasFeature) { 3280 return Collections.EMPTY_LIST; 3281 } 3282 3283 enforceFullCrossUsersPermission(userHandle); 3284 synchronized (this) { 3285 DevicePolicyData policy = getUserData(userHandle); 3286 final int N = policy.mAdminList.size(); 3287 if (N <= 0) { 3288 return null; 3289 } 3290 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3291 for (int i=0; i<N; i++) { 3292 res.add(policy.mAdminList.get(i).info.getComponent()); 3293 } 3294 return res; 3295 } 3296 } 3297 3298 @Override 3299 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3300 if (!mHasFeature) { 3301 return false; 3302 } 3303 enforceFullCrossUsersPermission(userHandle); 3304 synchronized (this) { 3305 DevicePolicyData policy = getUserData(userHandle); 3306 final int N = policy.mAdminList.size(); 3307 for (int i=0; i<N; i++) { 3308 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3309 return true; 3310 } 3311 } 3312 return false; 3313 } 3314 } 3315 3316 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3317 if (!mHasFeature) { 3318 return; 3319 } 3320 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3321 enforceShell("forceRemoveActiveAdmin"); 3322 long ident = mInjector.binderClearCallingIdentity(); 3323 try { 3324 synchronized (this) { 3325 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3326 throw new SecurityException("Attempt to remove non-test admin " 3327 + adminReceiver + " " + userHandle); 3328 } 3329 3330 // If admin is a device or profile owner tidy that up first. 3331 if (isDeviceOwner(adminReceiver, userHandle)) { 3332 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3333 } 3334 if (isProfileOwner(adminReceiver, userHandle)) { 3335 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3336 userHandle, /* parent */ false); 3337 clearProfileOwnerLocked(admin, userHandle); 3338 } 3339 } 3340 // Remove the admin skipping sending the broadcast. 3341 removeAdminArtifacts(adminReceiver, userHandle); 3342 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3343 } finally { 3344 mInjector.binderRestoreCallingIdentity(ident); 3345 } 3346 } 3347 3348 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3349 // ManagedProvisioning/DPC sets DISALLOW_ADD_USER. Clear to recover to the original state 3350 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3351 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3352 } 3353 } 3354 3355 /** 3356 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3357 * for CTS. 3358 * 3359 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3360 * to check wehter an active admin is test-only or not. 3361 * 3362 * The system allows this flag to be changed when an app is updated, which is not good 3363 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3364 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3365 */ 3366 private boolean isPackageTestOnly(String packageName, int userHandle) { 3367 final ApplicationInfo ai; 3368 try { 3369 ai = mIPackageManager.getApplicationInfo(packageName, 3370 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3371 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3372 } catch (RemoteException e) { 3373 throw new IllegalStateException(e); 3374 } 3375 if (ai == null) { 3376 throw new IllegalStateException("Couldn't find package: " 3377 + packageName + " on user " + userHandle); 3378 } 3379 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3380 } 3381 3382 /** 3383 * See {@link #isPackageTestOnly}. 3384 */ 3385 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3386 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3387 return (admin != null) && admin.testOnlyAdmin; 3388 } 3389 3390 private void enforceShell(String method) { 3391 final int callingUid = Binder.getCallingUid(); 3392 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3393 throw new SecurityException("Non-shell user attempted to call " + method); 3394 } 3395 } 3396 3397 @Override 3398 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3399 if (!mHasFeature) { 3400 return; 3401 } 3402 enforceFullCrossUsersPermission(userHandle); 3403 enforceUserUnlocked(userHandle); 3404 synchronized (this) { 3405 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3406 if (admin == null) { 3407 return; 3408 } 3409 // Active device/profile owners must remain active admins. 3410 if (isDeviceOwner(adminReceiver, userHandle) 3411 || isProfileOwner(adminReceiver, userHandle)) { 3412 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3413 adminReceiver); 3414 return; 3415 } 3416 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3417 mContext.enforceCallingOrSelfPermission( 3418 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3419 } 3420 long ident = mInjector.binderClearCallingIdentity(); 3421 try { 3422 removeActiveAdminLocked(adminReceiver, userHandle); 3423 } finally { 3424 mInjector.binderRestoreCallingIdentity(ident); 3425 } 3426 } 3427 } 3428 3429 @Override 3430 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3431 ComponentName profileOwner = getProfileOwner(userHandle); 3432 // Profile challenge is supported on N or newer release. 3433 return profileOwner != null && 3434 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3435 } 3436 3437 @Override 3438 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3439 if (!mHasFeature) { 3440 return; 3441 } 3442 Preconditions.checkNotNull(who, "ComponentName is null"); 3443 validateQualityConstant(quality); 3444 3445 synchronized (this) { 3446 ActiveAdmin ap = getActiveAdminForCallerLocked( 3447 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3448 if (ap.minimumPasswordMetrics.quality != quality) { 3449 ap.minimumPasswordMetrics.quality = quality; 3450 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3451 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3452 } 3453 } 3454 } 3455 3456 /** 3457 * Updates flag in memory that tells us whether the user's password currently satisfies the 3458 * requirements set by all of the user's active admins. This should be called before 3459 * {@link #saveSettingsLocked} whenever the password or the admin policies have changed. 3460 */ 3461 @GuardedBy("DevicePolicyManagerService.this") 3462 private void updatePasswordValidityCheckpointLocked(int userHandle) { 3463 DevicePolicyData policy = getUserData(userHandle); 3464 policy.mPasswordValidAtLastCheckpoint = isActivePasswordSufficientForUserLocked( 3465 policy, policy.mUserHandle, false); 3466 } 3467 3468 @Override 3469 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3470 if (!mHasFeature) { 3471 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3472 } 3473 enforceFullCrossUsersPermission(userHandle); 3474 synchronized (this) { 3475 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3476 3477 if (who != null) { 3478 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3479 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3480 } 3481 3482 // Return the strictest policy across all participating admins. 3483 List<ActiveAdmin> admins = 3484 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3485 final int N = admins.size(); 3486 for (int i = 0; i < N; i++) { 3487 ActiveAdmin admin = admins.get(i); 3488 if (mode < admin.minimumPasswordMetrics.quality) { 3489 mode = admin.minimumPasswordMetrics.quality; 3490 } 3491 } 3492 return mode; 3493 } 3494 } 3495 3496 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3497 int userHandle, boolean parent) { 3498 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3499 // If this user has a separate challenge, only return its restrictions. 3500 return getUserDataUnchecked(userHandle).mAdminList; 3501 } else { 3502 // Return all admins for this user and the profiles that are visible from this 3503 // user that do not use a separate work challenge. 3504 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3505 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3506 DevicePolicyData policy = getUserData(userInfo.id); 3507 if (!userInfo.isManagedProfile()) { 3508 admins.addAll(policy.mAdminList); 3509 } else { 3510 // For managed profiles, we always include the policies set on the parent 3511 // profile. Additionally, we include the ones set on the managed profile 3512 // if no separate challenge is in place. 3513 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3514 final int N = policy.mAdminList.size(); 3515 for (int i = 0; i < N; i++) { 3516 ActiveAdmin admin = policy.mAdminList.get(i); 3517 if (admin.hasParentActiveAdmin()) { 3518 admins.add(admin.getParentActiveAdmin()); 3519 } 3520 if (!hasSeparateChallenge) { 3521 admins.add(admin); 3522 } 3523 } 3524 } 3525 } 3526 return admins; 3527 } 3528 } 3529 3530 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3531 long ident = mInjector.binderClearCallingIdentity(); 3532 try { 3533 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3534 } finally { 3535 mInjector.binderRestoreCallingIdentity(ident); 3536 } 3537 } 3538 3539 @Override 3540 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3541 if (!mHasFeature) { 3542 return; 3543 } 3544 Preconditions.checkNotNull(who, "ComponentName is null"); 3545 synchronized (this) { 3546 ActiveAdmin ap = getActiveAdminForCallerLocked( 3547 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3548 if (ap.minimumPasswordMetrics.length != length) { 3549 ap.minimumPasswordMetrics.length = length; 3550 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3551 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3552 } 3553 } 3554 } 3555 3556 @Override 3557 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3558 if (!mHasFeature) { 3559 return 0; 3560 } 3561 enforceFullCrossUsersPermission(userHandle); 3562 synchronized (this) { 3563 int length = 0; 3564 3565 if (who != null) { 3566 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3567 return admin != null ? admin.minimumPasswordMetrics.length : length; 3568 } 3569 3570 // Return the strictest policy across all participating admins. 3571 List<ActiveAdmin> admins = 3572 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3573 final int N = admins.size(); 3574 for (int i = 0; i < N; i++) { 3575 ActiveAdmin admin = admins.get(i); 3576 if (length < admin.minimumPasswordMetrics.length) { 3577 length = admin.minimumPasswordMetrics.length; 3578 } 3579 } 3580 return length; 3581 } 3582 } 3583 3584 @Override 3585 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3586 if (!mHasFeature) { 3587 return; 3588 } 3589 Preconditions.checkNotNull(who, "ComponentName is null"); 3590 synchronized (this) { 3591 ActiveAdmin ap = getActiveAdminForCallerLocked( 3592 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3593 if (ap.passwordHistoryLength != length) { 3594 ap.passwordHistoryLength = length; 3595 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3596 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3597 } 3598 } 3599 } 3600 3601 @Override 3602 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3603 if (!mHasFeature) { 3604 return 0; 3605 } 3606 enforceFullCrossUsersPermission(userHandle); 3607 synchronized (this) { 3608 int length = 0; 3609 3610 if (who != null) { 3611 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3612 return admin != null ? admin.passwordHistoryLength : length; 3613 } 3614 3615 // Return the strictest policy across all participating admins. 3616 List<ActiveAdmin> admins = 3617 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3618 final int N = admins.size(); 3619 for (int i = 0; i < N; i++) { 3620 ActiveAdmin admin = admins.get(i); 3621 if (length < admin.passwordHistoryLength) { 3622 length = admin.passwordHistoryLength; 3623 } 3624 } 3625 3626 return length; 3627 } 3628 } 3629 3630 @Override 3631 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3632 if (!mHasFeature) { 3633 return; 3634 } 3635 Preconditions.checkNotNull(who, "ComponentName is null"); 3636 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3637 final int userHandle = mInjector.userHandleGetCallingUserId(); 3638 synchronized (this) { 3639 ActiveAdmin ap = getActiveAdminForCallerLocked( 3640 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3641 // Calling this API automatically bumps the expiration date 3642 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3643 ap.passwordExpirationDate = expiration; 3644 ap.passwordExpirationTimeout = timeout; 3645 if (timeout > 0L) { 3646 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3647 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3648 .format(new Date(expiration))); 3649 } 3650 saveSettingsLocked(userHandle); 3651 3652 // in case this is the first one, set the alarm on the appropriate user. 3653 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3654 } 3655 } 3656 3657 /** 3658 * Return a single admin's expiration cycle time, or the min of all cycle times. 3659 * Returns 0 if not configured. 3660 */ 3661 @Override 3662 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3663 if (!mHasFeature) { 3664 return 0L; 3665 } 3666 enforceFullCrossUsersPermission(userHandle); 3667 synchronized (this) { 3668 long timeout = 0L; 3669 3670 if (who != null) { 3671 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3672 return admin != null ? admin.passwordExpirationTimeout : timeout; 3673 } 3674 3675 // Return the strictest policy across all participating admins. 3676 List<ActiveAdmin> admins = 3677 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3678 final int N = admins.size(); 3679 for (int i = 0; i < N; i++) { 3680 ActiveAdmin admin = admins.get(i); 3681 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3682 && timeout > admin.passwordExpirationTimeout)) { 3683 timeout = admin.passwordExpirationTimeout; 3684 } 3685 } 3686 return timeout; 3687 } 3688 } 3689 3690 @Override 3691 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3692 final int userId = UserHandle.getCallingUserId(); 3693 List<String> changedProviders = null; 3694 3695 synchronized (this) { 3696 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3697 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3698 if (activeAdmin.crossProfileWidgetProviders == null) { 3699 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3700 } 3701 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3702 if (!providers.contains(packageName)) { 3703 providers.add(packageName); 3704 changedProviders = new ArrayList<>(providers); 3705 saveSettingsLocked(userId); 3706 } 3707 } 3708 3709 if (changedProviders != null) { 3710 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3711 return true; 3712 } 3713 3714 return false; 3715 } 3716 3717 @Override 3718 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3719 final int userId = UserHandle.getCallingUserId(); 3720 List<String> changedProviders = null; 3721 3722 synchronized (this) { 3723 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3724 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3725 if (activeAdmin.crossProfileWidgetProviders == null 3726 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3727 return false; 3728 } 3729 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3730 if (providers.remove(packageName)) { 3731 changedProviders = new ArrayList<>(providers); 3732 saveSettingsLocked(userId); 3733 } 3734 } 3735 3736 if (changedProviders != null) { 3737 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3738 return true; 3739 } 3740 3741 return false; 3742 } 3743 3744 @Override 3745 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3746 synchronized (this) { 3747 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3748 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3749 if (activeAdmin.crossProfileWidgetProviders == null 3750 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3751 return null; 3752 } 3753 if (mInjector.binderIsCallingUidMyUid()) { 3754 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3755 } else { 3756 return activeAdmin.crossProfileWidgetProviders; 3757 } 3758 } 3759 } 3760 3761 /** 3762 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3763 * Returns 0 if not configured. 3764 */ 3765 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3766 long timeout = 0L; 3767 3768 if (who != null) { 3769 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3770 return admin != null ? admin.passwordExpirationDate : timeout; 3771 } 3772 3773 // Return the strictest policy across all participating admins. 3774 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3775 final int N = admins.size(); 3776 for (int i = 0; i < N; i++) { 3777 ActiveAdmin admin = admins.get(i); 3778 if (timeout == 0L || (admin.passwordExpirationDate != 0 3779 && timeout > admin.passwordExpirationDate)) { 3780 timeout = admin.passwordExpirationDate; 3781 } 3782 } 3783 return timeout; 3784 } 3785 3786 @Override 3787 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3788 if (!mHasFeature) { 3789 return 0L; 3790 } 3791 enforceFullCrossUsersPermission(userHandle); 3792 synchronized (this) { 3793 return getPasswordExpirationLocked(who, userHandle, parent); 3794 } 3795 } 3796 3797 @Override 3798 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3799 if (!mHasFeature) { 3800 return; 3801 } 3802 Preconditions.checkNotNull(who, "ComponentName is null"); 3803 synchronized (this) { 3804 ActiveAdmin ap = getActiveAdminForCallerLocked( 3805 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3806 if (ap.minimumPasswordMetrics.upperCase != length) { 3807 ap.minimumPasswordMetrics.upperCase = length; 3808 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3809 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3810 } 3811 } 3812 } 3813 3814 @Override 3815 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3816 if (!mHasFeature) { 3817 return 0; 3818 } 3819 enforceFullCrossUsersPermission(userHandle); 3820 synchronized (this) { 3821 int length = 0; 3822 3823 if (who != null) { 3824 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3825 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3826 } 3827 3828 // Return the strictest policy across all participating admins. 3829 List<ActiveAdmin> admins = 3830 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3831 final int N = admins.size(); 3832 for (int i = 0; i < N; i++) { 3833 ActiveAdmin admin = admins.get(i); 3834 if (length < admin.minimumPasswordMetrics.upperCase) { 3835 length = admin.minimumPasswordMetrics.upperCase; 3836 } 3837 } 3838 return length; 3839 } 3840 } 3841 3842 @Override 3843 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3844 Preconditions.checkNotNull(who, "ComponentName is null"); 3845 synchronized (this) { 3846 ActiveAdmin ap = getActiveAdminForCallerLocked( 3847 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3848 if (ap.minimumPasswordMetrics.lowerCase != length) { 3849 ap.minimumPasswordMetrics.lowerCase = length; 3850 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3851 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3852 } 3853 } 3854 } 3855 3856 @Override 3857 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3858 if (!mHasFeature) { 3859 return 0; 3860 } 3861 enforceFullCrossUsersPermission(userHandle); 3862 synchronized (this) { 3863 int length = 0; 3864 3865 if (who != null) { 3866 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3867 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3868 } 3869 3870 // Return the strictest policy across all participating admins. 3871 List<ActiveAdmin> admins = 3872 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3873 final int N = admins.size(); 3874 for (int i = 0; i < N; i++) { 3875 ActiveAdmin admin = admins.get(i); 3876 if (length < admin.minimumPasswordMetrics.lowerCase) { 3877 length = admin.minimumPasswordMetrics.lowerCase; 3878 } 3879 } 3880 return length; 3881 } 3882 } 3883 3884 @Override 3885 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3886 if (!mHasFeature) { 3887 return; 3888 } 3889 Preconditions.checkNotNull(who, "ComponentName is null"); 3890 synchronized (this) { 3891 ActiveAdmin ap = getActiveAdminForCallerLocked( 3892 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3893 if (ap.minimumPasswordMetrics.letters != length) { 3894 ap.minimumPasswordMetrics.letters = length; 3895 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3896 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3897 } 3898 } 3899 } 3900 3901 @Override 3902 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3903 if (!mHasFeature) { 3904 return 0; 3905 } 3906 enforceFullCrossUsersPermission(userHandle); 3907 synchronized (this) { 3908 int length = 0; 3909 3910 if (who != null) { 3911 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3912 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3913 } 3914 3915 // Return the strictest policy across all participating admins. 3916 List<ActiveAdmin> admins = 3917 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3918 final int N = admins.size(); 3919 for (int i = 0; i < N; i++) { 3920 ActiveAdmin admin = admins.get(i); 3921 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3922 continue; 3923 } 3924 if (length < admin.minimumPasswordMetrics.letters) { 3925 length = admin.minimumPasswordMetrics.letters; 3926 } 3927 } 3928 return length; 3929 } 3930 } 3931 3932 @Override 3933 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3934 if (!mHasFeature) { 3935 return; 3936 } 3937 Preconditions.checkNotNull(who, "ComponentName is null"); 3938 synchronized (this) { 3939 ActiveAdmin ap = getActiveAdminForCallerLocked( 3940 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3941 if (ap.minimumPasswordMetrics.numeric != length) { 3942 ap.minimumPasswordMetrics.numeric = length; 3943 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3944 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3945 } 3946 } 3947 } 3948 3949 @Override 3950 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3951 if (!mHasFeature) { 3952 return 0; 3953 } 3954 enforceFullCrossUsersPermission(userHandle); 3955 synchronized (this) { 3956 int length = 0; 3957 3958 if (who != null) { 3959 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3960 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3961 } 3962 3963 // Return the strictest policy across all participating admins. 3964 List<ActiveAdmin> admins = 3965 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3966 final int N = admins.size(); 3967 for (int i = 0; i < N; i++) { 3968 ActiveAdmin admin = admins.get(i); 3969 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3970 continue; 3971 } 3972 if (length < admin.minimumPasswordMetrics.numeric) { 3973 length = admin.minimumPasswordMetrics.numeric; 3974 } 3975 } 3976 return length; 3977 } 3978 } 3979 3980 @Override 3981 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3982 if (!mHasFeature) { 3983 return; 3984 } 3985 Preconditions.checkNotNull(who, "ComponentName is null"); 3986 synchronized (this) { 3987 ActiveAdmin ap = getActiveAdminForCallerLocked( 3988 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3989 if (ap.minimumPasswordMetrics.symbols != length) { 3990 ap.minimumPasswordMetrics.symbols = length; 3991 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3992 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3993 } 3994 } 3995 } 3996 3997 @Override 3998 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3999 if (!mHasFeature) { 4000 return 0; 4001 } 4002 enforceFullCrossUsersPermission(userHandle); 4003 synchronized (this) { 4004 int length = 0; 4005 4006 if (who != null) { 4007 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4008 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 4009 } 4010 4011 // Return the strictest policy across all participating admins. 4012 List<ActiveAdmin> admins = 4013 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4014 final int N = admins.size(); 4015 for (int i = 0; i < N; i++) { 4016 ActiveAdmin admin = admins.get(i); 4017 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 4018 continue; 4019 } 4020 if (length < admin.minimumPasswordMetrics.symbols) { 4021 length = admin.minimumPasswordMetrics.symbols; 4022 } 4023 } 4024 return length; 4025 } 4026 } 4027 4028 @Override 4029 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 4030 if (!mHasFeature) { 4031 return; 4032 } 4033 Preconditions.checkNotNull(who, "ComponentName is null"); 4034 synchronized (this) { 4035 ActiveAdmin ap = getActiveAdminForCallerLocked( 4036 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 4037 if (ap.minimumPasswordMetrics.nonLetter != length) { 4038 ap.minimumPasswordMetrics.nonLetter = length; 4039 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 4040 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 4041 } 4042 } 4043 } 4044 4045 @Override 4046 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 4047 if (!mHasFeature) { 4048 return 0; 4049 } 4050 enforceFullCrossUsersPermission(userHandle); 4051 synchronized (this) { 4052 int length = 0; 4053 4054 if (who != null) { 4055 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4056 return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; 4057 } 4058 4059 // Return the strictest policy across all participating admins. 4060 List<ActiveAdmin> admins = 4061 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4062 final int N = admins.size(); 4063 for (int i = 0; i < N; i++) { 4064 ActiveAdmin admin = admins.get(i); 4065 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 4066 continue; 4067 } 4068 if (length < admin.minimumPasswordMetrics.nonLetter) { 4069 length = admin.minimumPasswordMetrics.nonLetter; 4070 } 4071 } 4072 return length; 4073 } 4074 } 4075 4076 @Override 4077 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 4078 if (!mHasFeature) { 4079 return true; 4080 } 4081 enforceFullCrossUsersPermission(userHandle); 4082 enforceUserUnlocked(userHandle, parent); 4083 4084 synchronized (this) { 4085 // This API can only be called by an active device admin, 4086 // so try to retrieve it to check that the caller is one. 4087 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 4088 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 4089 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 4090 } 4091 } 4092 4093 @Override 4094 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 4095 if (!mHasFeature) { 4096 return true; 4097 } 4098 enforceFullCrossUsersPermission(userHandle); 4099 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 4100 4101 synchronized (this) { 4102 final int targetUser = getProfileParentId(userHandle); 4103 enforceUserUnlocked(targetUser, false); 4104 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 4105 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 4106 } 4107 } 4108 4109 private boolean isActivePasswordSufficientForUserLocked( 4110 DevicePolicyData policy, int userHandle, boolean parent) { 4111 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 4112 if (requiredPasswordQuality == DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4113 // A special case is when there is no required password quality, then we just return 4114 // true since any password would be sufficient. This is for the scenario when a work 4115 // profile is first created so there is no information about the current password but 4116 // it should be considered sufficient as there is no password requirement either. 4117 // This is useful since it short-circuits the password checkpoint for FDE device below. 4118 return true; 4119 } 4120 4121 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() 4122 && !policy.mPasswordStateHasBeenSetSinceBoot) { 4123 // Before user enters their password for the first time after a reboot, return the 4124 // value of this flag, which tells us whether the password was valid the last time 4125 // settings were saved. If DPC changes password requirements on boot so that the 4126 // current password no longer meets the requirements, this value will be stale until 4127 // the next time the password is entered. 4128 return policy.mPasswordValidAtLastCheckpoint; 4129 } 4130 4131 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 4132 return false; 4133 } 4134 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 4135 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 4136 null, userHandle, parent)) { 4137 return false; 4138 } 4139 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4140 return true; 4141 } 4142 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 4143 null, userHandle, parent) 4144 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 4145 null, userHandle, parent) 4146 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 4147 null, userHandle, parent) 4148 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 4149 null, userHandle, parent) 4150 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 4151 null, userHandle, parent) 4152 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 4153 null, userHandle, parent); 4154 } 4155 4156 @Override 4157 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 4158 enforceFullCrossUsersPermission(userHandle); 4159 synchronized (this) { 4160 if (!isCallerWithSystemUid()) { 4161 // This API can only be called by an active device admin, 4162 // so try to retrieve it to check that the caller is one. 4163 getActiveAdminForCallerLocked( 4164 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4165 } 4166 4167 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 4168 4169 return policy.mFailedPasswordAttempts; 4170 } 4171 } 4172 4173 @Override 4174 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 4175 if (!mHasFeature) { 4176 return; 4177 } 4178 Preconditions.checkNotNull(who, "ComponentName is null"); 4179 synchronized (this) { 4180 // This API can only be called by an active device admin, 4181 // so try to retrieve it to check that the caller is one. 4182 getActiveAdminForCallerLocked( 4183 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 4184 ActiveAdmin ap = getActiveAdminForCallerLocked( 4185 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4186 if (ap.maximumFailedPasswordsForWipe != num) { 4187 ap.maximumFailedPasswordsForWipe = num; 4188 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 4189 } 4190 } 4191 } 4192 4193 @Override 4194 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 4195 if (!mHasFeature) { 4196 return 0; 4197 } 4198 enforceFullCrossUsersPermission(userHandle); 4199 synchronized (this) { 4200 ActiveAdmin admin = (who != null) 4201 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 4202 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 4203 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 4204 } 4205 } 4206 4207 @Override 4208 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 4209 if (!mHasFeature) { 4210 return UserHandle.USER_NULL; 4211 } 4212 enforceFullCrossUsersPermission(userHandle); 4213 synchronized (this) { 4214 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4215 userHandle, parent); 4216 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 4217 } 4218 } 4219 4220 /** 4221 * Returns the admin with the strictest policy on maximum failed passwords for: 4222 * <ul> 4223 * <li>this user if it has a separate profile challenge, or 4224 * <li>this user and all profiles that don't have their own challenge otherwise. 4225 * </ul> 4226 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 4227 * the primary profile. 4228 * Returns {@code null} if no participating admin has that policy set. 4229 */ 4230 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 4231 int userHandle, boolean parent) { 4232 int count = 0; 4233 ActiveAdmin strictestAdmin = null; 4234 4235 // Return the strictest policy across all participating admins. 4236 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4237 final int N = admins.size(); 4238 for (int i = 0; i < N; i++) { 4239 ActiveAdmin admin = admins.get(i); 4240 if (admin.maximumFailedPasswordsForWipe == 4241 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 4242 continue; // No max number of failed passwords policy set for this profile. 4243 } 4244 4245 // We always favor the primary profile if several profiles have the same value set. 4246 int userId = admin.getUserHandle().getIdentifier(); 4247 if (count == 0 || 4248 count > admin.maximumFailedPasswordsForWipe || 4249 (count == admin.maximumFailedPasswordsForWipe && 4250 getUserInfo(userId).isPrimary())) { 4251 count = admin.maximumFailedPasswordsForWipe; 4252 strictestAdmin = admin; 4253 } 4254 } 4255 return strictestAdmin; 4256 } 4257 4258 private UserInfo getUserInfo(@UserIdInt int userId) { 4259 final long token = mInjector.binderClearCallingIdentity(); 4260 try { 4261 return mUserManager.getUserInfo(userId); 4262 } finally { 4263 mInjector.binderRestoreCallingIdentity(token); 4264 } 4265 } 4266 4267 @Override 4268 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 4269 final int callingUid = mInjector.binderGetCallingUid(); 4270 final int userHandle = mInjector.userHandleGetCallingUserId(); 4271 4272 String password = passwordOrNull != null ? passwordOrNull : ""; 4273 4274 // Password resetting to empty/null is not allowed for managed profiles. 4275 if (TextUtils.isEmpty(password)) { 4276 enforceNotManagedProfile(userHandle, "clear the active password"); 4277 } 4278 4279 synchronized (this) { 4280 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4281 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4282 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4283 final boolean preN; 4284 if (admin != null) { 4285 final int targetSdk = getTargetSdk(admin.info.getPackageName(), userHandle); 4286 if (targetSdk >= Build.VERSION_CODES.O) { 4287 throw new SecurityException("resetPassword() is deprecated for DPC targeting O" 4288 + " or later"); 4289 } 4290 preN = targetSdk <= android.os.Build.VERSION_CODES.M; 4291 } else { 4292 // Otherwise, make sure the caller has any active admin with the right policy. 4293 admin = getActiveAdminForCallerLocked(null, 4294 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4295 preN = getTargetSdk(admin.info.getPackageName(), 4296 userHandle) <= android.os.Build.VERSION_CODES.M; 4297 4298 // As of N, password resetting to empty/null is not allowed anymore. 4299 // TODO Should we allow DO/PO to set an empty password? 4300 if (TextUtils.isEmpty(password)) { 4301 if (!preN) { 4302 throw new SecurityException("Cannot call with null password"); 4303 } else { 4304 Slog.e(LOG_TAG, "Cannot call with null password"); 4305 return false; 4306 } 4307 } 4308 // As of N, password cannot be changed by the admin if it is already set. 4309 if (isLockScreenSecureUnchecked(userHandle)) { 4310 if (!preN) { 4311 throw new SecurityException("Admin cannot change current password"); 4312 } else { 4313 Slog.e(LOG_TAG, "Admin cannot change current password"); 4314 return false; 4315 } 4316 } 4317 } 4318 // Do not allow to reset password when current user has a managed profile 4319 if (!isManagedProfile(userHandle)) { 4320 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4321 if (userInfo.isManagedProfile()) { 4322 if (!preN) { 4323 throw new IllegalStateException( 4324 "Cannot reset password on user has managed profile"); 4325 } else { 4326 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4327 return false; 4328 } 4329 } 4330 } 4331 } 4332 // Do not allow to reset password when user is locked 4333 if (!mUserManager.isUserUnlocked(userHandle)) { 4334 if (!preN) { 4335 throw new IllegalStateException("Cannot reset password when user is locked"); 4336 } else { 4337 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4338 return false; 4339 } 4340 } 4341 } 4342 4343 return resetPasswordInternal(password, 0, null, flags, callingUid, userHandle); 4344 } 4345 4346 private boolean resetPasswordInternal(String password, long tokenHandle, byte[] token, 4347 int flags, int callingUid, int userHandle) { 4348 int quality; 4349 synchronized (this) { 4350 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4351 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4352 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4353 } 4354 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4355 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4356 final int realQuality = metrics.quality; 4357 if (realQuality < quality 4358 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4359 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4360 + Integer.toHexString(realQuality) 4361 + " does not meet required quality 0x" 4362 + Integer.toHexString(quality)); 4363 return false; 4364 } 4365 quality = Math.max(realQuality, quality); 4366 } 4367 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4368 if (password.length() < length) { 4369 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4370 + " does not meet required length " + length); 4371 return false; 4372 } 4373 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4374 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4375 if(metrics.letters < neededLetters) { 4376 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4377 + " does not meet required number of letters " + neededLetters); 4378 return false; 4379 } 4380 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4381 if (metrics.numeric < neededNumeric) { 4382 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4383 + " does not meet required number of numerical digits " 4384 + neededNumeric); 4385 return false; 4386 } 4387 int neededLowerCase = getPasswordMinimumLowerCase( 4388 null, userHandle, /* parent */ false); 4389 if (metrics.lowerCase < neededLowerCase) { 4390 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4391 + metrics.lowerCase 4392 + " does not meet required number of lowercase letters " 4393 + neededLowerCase); 4394 return false; 4395 } 4396 int neededUpperCase = getPasswordMinimumUpperCase( 4397 null, userHandle, /* parent */ false); 4398 if (metrics.upperCase < neededUpperCase) { 4399 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4400 + metrics.upperCase 4401 + " does not meet required number of uppercase letters " 4402 + neededUpperCase); 4403 return false; 4404 } 4405 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4406 if (metrics.symbols < neededSymbols) { 4407 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4408 + " does not meet required number of special symbols " + neededSymbols); 4409 return false; 4410 } 4411 int neededNonLetter = getPasswordMinimumNonLetter( 4412 null, userHandle, /* parent */ false); 4413 if (metrics.nonLetter < neededNonLetter) { 4414 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4415 + metrics.nonLetter 4416 + " does not meet required number of non-letter characters " 4417 + neededNonLetter); 4418 return false; 4419 } 4420 } 4421 } 4422 4423 DevicePolicyData policy = getUserData(userHandle); 4424 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4425 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4426 return false; 4427 } 4428 4429 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4430 boolean doNotAskCredentialsOnBoot = 4431 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4432 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4433 setDoNotAskCredentialsOnBoot(); 4434 } 4435 4436 // Don't do this with the lock held, because it is going to call 4437 // back in to the service. 4438 final long ident = mInjector.binderClearCallingIdentity(); 4439 final boolean result; 4440 try { 4441 if (token == null) { 4442 if (!TextUtils.isEmpty(password)) { 4443 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4444 } else { 4445 mLockPatternUtils.clearLock(null, userHandle); 4446 } 4447 result = true; 4448 } else { 4449 result = mLockPatternUtils.setLockCredentialWithToken(password, 4450 TextUtils.isEmpty(password) ? LockPatternUtils.CREDENTIAL_TYPE_NONE 4451 : LockPatternUtils.CREDENTIAL_TYPE_PASSWORD, 4452 quality, tokenHandle, token, userHandle); 4453 } 4454 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4455 if (requireEntry) { 4456 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4457 UserHandle.USER_ALL); 4458 } 4459 synchronized (this) { 4460 int newOwner = requireEntry ? callingUid : -1; 4461 if (policy.mPasswordOwner != newOwner) { 4462 policy.mPasswordOwner = newOwner; 4463 saveSettingsLocked(userHandle); 4464 } 4465 } 4466 } finally { 4467 mInjector.binderRestoreCallingIdentity(ident); 4468 } 4469 return result; 4470 } 4471 4472 private boolean isLockScreenSecureUnchecked(int userId) { 4473 long ident = mInjector.binderClearCallingIdentity(); 4474 try { 4475 return mLockPatternUtils.isSecure(userId); 4476 } finally { 4477 mInjector.binderRestoreCallingIdentity(ident); 4478 } 4479 } 4480 4481 private void setDoNotAskCredentialsOnBoot() { 4482 synchronized (this) { 4483 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4484 if (!policyData.doNotAskCredentialsOnBoot) { 4485 policyData.doNotAskCredentialsOnBoot = true; 4486 saveSettingsLocked(UserHandle.USER_SYSTEM); 4487 } 4488 } 4489 } 4490 4491 @Override 4492 public boolean getDoNotAskCredentialsOnBoot() { 4493 mContext.enforceCallingOrSelfPermission( 4494 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4495 synchronized (this) { 4496 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4497 return policyData.doNotAskCredentialsOnBoot; 4498 } 4499 } 4500 4501 @Override 4502 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4503 if (!mHasFeature) { 4504 return; 4505 } 4506 Preconditions.checkNotNull(who, "ComponentName is null"); 4507 final int userHandle = mInjector.userHandleGetCallingUserId(); 4508 synchronized (this) { 4509 ActiveAdmin ap = getActiveAdminForCallerLocked( 4510 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4511 if (ap.maximumTimeToUnlock != timeMs) { 4512 ap.maximumTimeToUnlock = timeMs; 4513 saveSettingsLocked(userHandle); 4514 updateMaximumTimeToLockLocked(userHandle); 4515 } 4516 } 4517 } 4518 4519 void updateMaximumTimeToLockLocked(int userHandle) { 4520 // Calculate the min timeout for all profiles - including the ones with a separate 4521 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4522 // challenge only and keep the screen on. However there is no easy way of doing that at the 4523 // moment so we set the screen off timeout regardless of whether it affects the parent user 4524 // or the profile challenge only. 4525 long timeMs = Long.MAX_VALUE; 4526 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4527 for (int profileId : profileIds) { 4528 DevicePolicyData policy = getUserDataUnchecked(profileId); 4529 final int N = policy.mAdminList.size(); 4530 for (int i = 0; i < N; i++) { 4531 ActiveAdmin admin = policy.mAdminList.get(i); 4532 if (admin.maximumTimeToUnlock > 0 4533 && timeMs > admin.maximumTimeToUnlock) { 4534 timeMs = admin.maximumTimeToUnlock; 4535 } 4536 // If userInfo.id is a managed profile, we also need to look at 4537 // the policies set on the parent. 4538 if (admin.hasParentActiveAdmin()) { 4539 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4540 if (parentAdmin.maximumTimeToUnlock > 0 4541 && timeMs > parentAdmin.maximumTimeToUnlock) { 4542 timeMs = parentAdmin.maximumTimeToUnlock; 4543 } 4544 } 4545 } 4546 } 4547 4548 // We only store the last maximum time to lock on the parent profile. So if calling from a 4549 // managed profile, retrieve the policy for the parent. 4550 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4551 if (policy.mLastMaximumTimeToLock == timeMs) { 4552 return; 4553 } 4554 policy.mLastMaximumTimeToLock = timeMs; 4555 4556 final long ident = mInjector.binderClearCallingIdentity(); 4557 try { 4558 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4559 // Make sure KEEP_SCREEN_ON is disabled, since that 4560 // would allow bypassing of the maximum time to lock. 4561 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4562 } 4563 4564 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4565 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4566 } finally { 4567 mInjector.binderRestoreCallingIdentity(ident); 4568 } 4569 } 4570 4571 @Override 4572 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4573 if (!mHasFeature) { 4574 return 0; 4575 } 4576 enforceFullCrossUsersPermission(userHandle); 4577 synchronized (this) { 4578 if (who != null) { 4579 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4580 return admin != null ? admin.maximumTimeToUnlock : 0; 4581 } 4582 // Return the strictest policy across all participating admins. 4583 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4584 userHandle, parent); 4585 return getMaximumTimeToLockPolicyFromAdmins(admins); 4586 } 4587 } 4588 4589 @Override 4590 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4591 if (!mHasFeature) { 4592 return 0; 4593 } 4594 enforceFullCrossUsersPermission(userHandle); 4595 synchronized (this) { 4596 // All admins for this user. 4597 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4598 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4599 DevicePolicyData policy = getUserData(userInfo.id); 4600 admins.addAll(policy.mAdminList); 4601 // If it is a managed profile, it may have parent active admins 4602 if (userInfo.isManagedProfile()) { 4603 for (ActiveAdmin admin : policy.mAdminList) { 4604 if (admin.hasParentActiveAdmin()) { 4605 admins.add(admin.getParentActiveAdmin()); 4606 } 4607 } 4608 } 4609 } 4610 return getMaximumTimeToLockPolicyFromAdmins(admins); 4611 } 4612 } 4613 4614 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4615 long time = 0; 4616 final int N = admins.size(); 4617 for (int i = 0; i < N; i++) { 4618 ActiveAdmin admin = admins.get(i); 4619 if (time == 0) { 4620 time = admin.maximumTimeToUnlock; 4621 } else if (admin.maximumTimeToUnlock != 0 4622 && time > admin.maximumTimeToUnlock) { 4623 time = admin.maximumTimeToUnlock; 4624 } 4625 } 4626 return time; 4627 } 4628 4629 @Override 4630 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4631 boolean parent) { 4632 if (!mHasFeature) { 4633 return; 4634 } 4635 Preconditions.checkNotNull(who, "ComponentName is null"); 4636 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4637 // timeoutMs with value 0 means that the admin doesn't participate 4638 // timeoutMs is clamped to the interval in case the internal constants change in the future 4639 final long minimumStrongAuthTimeout = getMinimumStrongAuthTimeoutMs(); 4640 if (timeoutMs != 0 && timeoutMs < minimumStrongAuthTimeout) { 4641 timeoutMs = minimumStrongAuthTimeout; 4642 } 4643 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4644 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4645 } 4646 4647 final int userHandle = mInjector.userHandleGetCallingUserId(); 4648 synchronized (this) { 4649 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4650 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4651 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4652 ap.strongAuthUnlockTimeout = timeoutMs; 4653 saveSettingsLocked(userHandle); 4654 } 4655 } 4656 } 4657 4658 /** 4659 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4660 * admins if who is null. 4661 * Returns 0 if not configured for the provided admin. 4662 */ 4663 @Override 4664 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4665 if (!mHasFeature) { 4666 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4667 } 4668 enforceFullCrossUsersPermission(userId); 4669 synchronized (this) { 4670 if (who != null) { 4671 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4672 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4673 } 4674 4675 // Return the strictest policy across all participating admins. 4676 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4677 4678 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4679 for (int i = 0; i < admins.size(); i++) { 4680 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4681 if (timeout != 0) { // take only participating admins into account 4682 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4683 } 4684 } 4685 return Math.max(strongAuthUnlockTimeout, getMinimumStrongAuthTimeoutMs()); 4686 } 4687 } 4688 4689 private long getMinimumStrongAuthTimeoutMs() { 4690 if (!mInjector.isBuildDebuggable()) { 4691 return MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4692 } 4693 // ideally the property was named persist.sys.min_strong_auth_timeout, but system property 4694 // name cannot be longer than 31 characters 4695 return Math.min(mInjector.systemPropertiesGetLong("persist.sys.min_str_auth_timeo", 4696 MINIMUM_STRONG_AUTH_TIMEOUT_MS), 4697 MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4698 } 4699 4700 @Override 4701 public void lockNow(int flags, boolean parent) { 4702 if (!mHasFeature) { 4703 return; 4704 } 4705 4706 final int callingUserId = mInjector.userHandleGetCallingUserId(); 4707 synchronized (this) { 4708 // This API can only be called by an active device admin, 4709 // so try to retrieve it to check that the caller is one. 4710 final ActiveAdmin admin = getActiveAdminForCallerLocked( 4711 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4712 4713 final long ident = mInjector.binderClearCallingIdentity(); 4714 try { 4715 // Evict key 4716 if ((flags & DevicePolicyManager.FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY) != 0) { 4717 enforceManagedProfile( 4718 callingUserId, "set FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY"); 4719 if (!isProfileOwner(admin.info.getComponent(), callingUserId)) { 4720 throw new SecurityException("Only profile owner admins can set " 4721 + "FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY"); 4722 } 4723 if (parent) { 4724 throw new IllegalArgumentException( 4725 "Cannot set FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY for the parent"); 4726 } 4727 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 4728 throw new UnsupportedOperationException( 4729 "FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY only applies to FBE devices"); 4730 } 4731 mUserManager.evictCredentialEncryptionKey(callingUserId); 4732 } 4733 4734 // Lock all users unless this is a managed profile with a separate challenge 4735 final int userToLock = (parent || !isSeparateProfileChallengeEnabled(callingUserId) 4736 ? UserHandle.USER_ALL : callingUserId); 4737 mLockPatternUtils.requireStrongAuth( 4738 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4739 4740 // Require authentication for the device or profile 4741 if (userToLock == UserHandle.USER_ALL) { 4742 // Power off the display 4743 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4744 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4745 mInjector.getIWindowManager().lockNow(null); 4746 } else { 4747 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4748 } 4749 } catch (RemoteException e) { 4750 } finally { 4751 mInjector.binderRestoreCallingIdentity(ident); 4752 } 4753 } 4754 } 4755 4756 @Override 4757 public void enforceCanManageCaCerts(ComponentName who, String callerPackage) { 4758 if (who == null) { 4759 if (!isCallerDelegate(callerPackage, DELEGATION_CERT_INSTALL)) { 4760 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4761 } 4762 } else { 4763 enforceProfileOrDeviceOwner(who); 4764 } 4765 } 4766 4767 private void enforceProfileOrDeviceOwner(ComponentName who) { 4768 synchronized (this) { 4769 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4770 } 4771 } 4772 4773 @Override 4774 public boolean approveCaCert(String alias, int userId, boolean approval) { 4775 enforceManageUsers(); 4776 synchronized (this) { 4777 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4778 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4779 if (!changed) { 4780 return false; 4781 } 4782 saveSettingsLocked(userId); 4783 } 4784 mCertificateMonitor.onCertificateApprovalsChanged(userId); 4785 return true; 4786 } 4787 4788 @Override 4789 public boolean isCaCertApproved(String alias, int userId) { 4790 enforceManageUsers(); 4791 synchronized (this) { 4792 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4793 } 4794 } 4795 4796 private void removeCaApprovalsIfNeeded(int userId) { 4797 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4798 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4799 if (userInfo.isManagedProfile()){ 4800 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4801 } 4802 if (!isSecure) { 4803 synchronized (this) { 4804 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4805 saveSettingsLocked(userInfo.id); 4806 } 4807 mCertificateMonitor.onCertificateApprovalsChanged(userId); 4808 } 4809 } 4810 } 4811 4812 @Override 4813 public boolean installCaCert(ComponentName admin, String callerPackage, byte[] certBuffer) 4814 throws RemoteException { 4815 if (!mHasFeature) { 4816 return false; 4817 } 4818 enforceCanManageCaCerts(admin, callerPackage); 4819 4820 final String alias; 4821 4822 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 4823 final long id = mInjector.binderClearCallingIdentity(); 4824 try { 4825 alias = mCertificateMonitor.installCaCert(userHandle, certBuffer); 4826 if (alias == null) { 4827 Log.w(LOG_TAG, "Problem installing cert"); 4828 return false; 4829 } 4830 } finally { 4831 mInjector.binderRestoreCallingIdentity(id); 4832 } 4833 4834 synchronized (this) { 4835 getUserData(userHandle.getIdentifier()).mOwnerInstalledCaCerts.add(alias); 4836 saveSettingsLocked(userHandle.getIdentifier()); 4837 } 4838 return true; 4839 } 4840 4841 @Override 4842 public void uninstallCaCerts(ComponentName admin, String callerPackage, String[] aliases) { 4843 if (!mHasFeature) { 4844 return; 4845 } 4846 enforceCanManageCaCerts(admin, callerPackage); 4847 4848 final int userId = mInjector.userHandleGetCallingUserId(); 4849 final long id = mInjector.binderClearCallingIdentity(); 4850 try { 4851 mCertificateMonitor.uninstallCaCerts(UserHandle.of(userId), aliases); 4852 } finally { 4853 mInjector.binderRestoreCallingIdentity(id); 4854 } 4855 4856 synchronized (this) { 4857 if (getUserData(userId).mOwnerInstalledCaCerts.removeAll(Arrays.asList(aliases))) { 4858 saveSettingsLocked(userId); 4859 } 4860 } 4861 } 4862 4863 @Override 4864 public boolean installKeyPair(ComponentName who, String callerPackage, byte[] privKey, 4865 byte[] cert, byte[] chain, String alias, boolean requestAccess) { 4866 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4867 DELEGATION_CERT_INSTALL); 4868 4869 4870 final int callingUid = mInjector.binderGetCallingUid(); 4871 final long id = mInjector.binderClearCallingIdentity(); 4872 try { 4873 final KeyChainConnection keyChainConnection = 4874 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4875 try { 4876 IKeyChainService keyChain = keyChainConnection.getService(); 4877 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4878 return false; 4879 } 4880 if (requestAccess) { 4881 keyChain.setGrant(callingUid, alias, true); 4882 } 4883 return true; 4884 } catch (RemoteException e) { 4885 Log.e(LOG_TAG, "Installing certificate", e); 4886 } finally { 4887 keyChainConnection.close(); 4888 } 4889 } catch (InterruptedException e) { 4890 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4891 Thread.currentThread().interrupt(); 4892 } finally { 4893 mInjector.binderRestoreCallingIdentity(id); 4894 } 4895 return false; 4896 } 4897 4898 @Override 4899 public boolean removeKeyPair(ComponentName who, String callerPackage, String alias) { 4900 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4901 DELEGATION_CERT_INSTALL); 4902 4903 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4904 final long id = Binder.clearCallingIdentity(); 4905 try { 4906 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4907 try { 4908 IKeyChainService keyChain = keyChainConnection.getService(); 4909 return keyChain.removeKeyPair(alias); 4910 } catch (RemoteException e) { 4911 Log.e(LOG_TAG, "Removing keypair", e); 4912 } finally { 4913 keyChainConnection.close(); 4914 } 4915 } catch (InterruptedException e) { 4916 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4917 Thread.currentThread().interrupt(); 4918 } finally { 4919 Binder.restoreCallingIdentity(id); 4920 } 4921 return false; 4922 } 4923 4924 @Override 4925 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4926 final IBinder response) { 4927 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4928 if (!isCallerWithSystemUid()) { 4929 return; 4930 } 4931 4932 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4933 // If there is a profile owner, redirect to that; otherwise query the device owner. 4934 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4935 if (aliasChooser == null && caller.isSystem()) { 4936 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4937 if (deviceOwnerAdmin != null) { 4938 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4939 } 4940 } 4941 if (aliasChooser == null) { 4942 sendPrivateKeyAliasResponse(null, response); 4943 return; 4944 } 4945 4946 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4947 intent.setComponent(aliasChooser); 4948 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4949 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4950 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4951 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4952 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4953 4954 final long id = mInjector.binderClearCallingIdentity(); 4955 try { 4956 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4957 @Override 4958 public void onReceive(Context context, Intent intent) { 4959 final String chosenAlias = getResultData(); 4960 sendPrivateKeyAliasResponse(chosenAlias, response); 4961 } 4962 }, null, Activity.RESULT_OK, null, null); 4963 } finally { 4964 mInjector.binderRestoreCallingIdentity(id); 4965 } 4966 } 4967 4968 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4969 final IKeyChainAliasCallback keyChainAliasResponse = 4970 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4971 // Send the response. It's OK to do this from the main thread because IKeyChainAliasCallback 4972 // is oneway, which means it won't block if the recipient lives in another process. 4973 try { 4974 keyChainAliasResponse.alias(alias); 4975 } catch (Exception e) { 4976 // Caller could throw RuntimeException or RemoteException back across processes. Catch 4977 // everything just to be sure. 4978 Log.e(LOG_TAG, "error while responding to callback", e); 4979 } 4980 } 4981 4982 /** 4983 * Determine whether DPMS should check if a delegate package is already installed before 4984 * granting it new delegations via {@link #setDelegatedScopes}. 4985 */ 4986 private static boolean shouldCheckIfDelegatePackageIsInstalled(String delegatePackage, 4987 int targetSdk, List<String> scopes) { 4988 // 1) Never skip is installed check from N. 4989 if (targetSdk >= Build.VERSION_CODES.N) { 4990 return true; 4991 } 4992 // 2) Skip if DELEGATION_CERT_INSTALL is the only scope being given. 4993 if (scopes.size() == 1 && scopes.get(0).equals(DELEGATION_CERT_INSTALL)) { 4994 return false; 4995 } 4996 // 3) Skip if all previously granted scopes are being cleared. 4997 if (scopes.isEmpty()) { 4998 return false; 4999 } 5000 // Otherwise it should check that delegatePackage is installed. 5001 return true; 5002 } 5003 5004 /** 5005 * Set the scopes of a device owner or profile owner delegate. 5006 * 5007 * @param who the device owner or profile owner. 5008 * @param delegatePackage the name of the delegate package. 5009 * @param scopes the list of delegation scopes to be given to the delegate package. 5010 */ 5011 @Override 5012 public void setDelegatedScopes(ComponentName who, String delegatePackage, 5013 List<String> scopes) throws SecurityException { 5014 Preconditions.checkNotNull(who, "ComponentName is null"); 5015 Preconditions.checkStringNotEmpty(delegatePackage, "Delegate package is null or empty"); 5016 Preconditions.checkCollectionElementsNotNull(scopes, "Scopes"); 5017 // Remove possible duplicates. 5018 scopes = new ArrayList(new ArraySet(scopes)); 5019 // Ensure given scopes are valid. 5020 if (scopes.retainAll(Arrays.asList(DELEGATIONS))) { 5021 throw new IllegalArgumentException("Unexpected delegation scopes"); 5022 } 5023 5024 // Retrieve the user ID of the calling process. 5025 final int userId = mInjector.userHandleGetCallingUserId(); 5026 synchronized (this) { 5027 // Ensure calling process is device/profile owner. 5028 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5029 // Ensure the delegate is installed (skip this for DELEGATION_CERT_INSTALL in pre-N). 5030 if (shouldCheckIfDelegatePackageIsInstalled(delegatePackage, 5031 getTargetSdk(who.getPackageName(), userId), scopes)) { 5032 // Throw when the delegate package is not installed. 5033 if (!isPackageInstalledForUser(delegatePackage, userId)) { 5034 throw new IllegalArgumentException("Package " + delegatePackage 5035 + " is not installed on the current user"); 5036 } 5037 } 5038 5039 // Set the new delegate in user policies. 5040 final DevicePolicyData policy = getUserData(userId); 5041 if (!scopes.isEmpty()) { 5042 policy.mDelegationMap.put(delegatePackage, new ArrayList<>(scopes)); 5043 } else { 5044 // Remove any delegation info if the given scopes list is empty. 5045 policy.mDelegationMap.remove(delegatePackage); 5046 } 5047 5048 // Notify delegate package of updates. 5049 final Intent intent = new Intent( 5050 DevicePolicyManager.ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED); 5051 // Only call receivers registered with Context#registerReceiver (dont wake delegate). 5052 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 5053 // Limit components this intent resolves to to the delegate package. 5054 intent.setPackage(delegatePackage); 5055 // Include the list of delegated scopes as an extra. 5056 intent.putStringArrayListExtra(DevicePolicyManager.EXTRA_DELEGATION_SCOPES, 5057 (ArrayList<String>) scopes); 5058 // Send the broadcast. 5059 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 5060 5061 // Persist updates. 5062 saveSettingsLocked(userId); 5063 } 5064 } 5065 5066 /** 5067 * Get the delegation scopes given to a delegate package by a device owner or profile owner. 5068 * 5069 * A DO/PO can get the scopes of any package. A non DO/PO package can get its own scopes by 5070 * passing in {@code null} as the {@code who} parameter and its own name as the 5071 * {@code delegatepackage}. 5072 * 5073 * @param who the device owner or profile owner, or {@code null} if the caller is 5074 * {@code delegatePackage}. 5075 * @param delegatePackage the name of the delegate package whose scopes are to be retrieved. 5076 * @return a list of the delegation scopes currently given to {@code delegatePackage}. 5077 */ 5078 @Override 5079 @NonNull 5080 public List<String> getDelegatedScopes(ComponentName who, 5081 String delegatePackage) throws SecurityException { 5082 Preconditions.checkNotNull(delegatePackage, "Delegate package is null"); 5083 5084 // Retrieve the user ID of the calling process. 5085 final int callingUid = mInjector.binderGetCallingUid(); 5086 final int userId = UserHandle.getUserId(callingUid); 5087 synchronized (this) { 5088 // Ensure calling process is device/profile owner. 5089 if (who != null) { 5090 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5091 // Or ensure calling process is delegatePackage itself. 5092 } else { 5093 int uid = 0; 5094 try { 5095 uid = mInjector.getPackageManager() 5096 .getPackageUidAsUser(delegatePackage, userId); 5097 } catch(NameNotFoundException e) { 5098 } 5099 if (uid != callingUid) { 5100 throw new SecurityException("Caller with uid " + callingUid + " is not " 5101 + delegatePackage); 5102 } 5103 } 5104 final DevicePolicyData policy = getUserData(userId); 5105 // Retrieve the scopes assigned to delegatePackage, or null if no scope was given. 5106 final List<String> scopes = policy.mDelegationMap.get(delegatePackage); 5107 return scopes == null ? Collections.EMPTY_LIST : scopes; 5108 } 5109 } 5110 5111 /** 5112 * Get a list of packages that were given a specific delegation scopes by a device owner or 5113 * profile owner. 5114 * 5115 * @param who the device owner or profile owner. 5116 * @param scope the scope whose delegates are to be retrieved. 5117 * @return a list of the delegate packages currently given the {@code scope} delegation. 5118 */ 5119 @NonNull 5120 public List<String> getDelegatePackages(ComponentName who, String scope) 5121 throws SecurityException { 5122 Preconditions.checkNotNull(who, "ComponentName is null"); 5123 Preconditions.checkNotNull(scope, "Scope is null"); 5124 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 5125 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 5126 } 5127 5128 // Retrieve the user ID of the calling process. 5129 final int userId = mInjector.userHandleGetCallingUserId(); 5130 synchronized (this) { 5131 // Ensure calling process is device/profile owner. 5132 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5133 final DevicePolicyData policy = getUserData(userId); 5134 5135 // Create a list to hold the resulting delegate packages. 5136 final List<String> delegatePackagesWithScope = new ArrayList<>(); 5137 // Add all delegations containing scope to the result list. 5138 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5139 if (policy.mDelegationMap.valueAt(i).contains(scope)) { 5140 delegatePackagesWithScope.add(policy.mDelegationMap.keyAt(i)); 5141 } 5142 } 5143 return delegatePackagesWithScope; 5144 } 5145 } 5146 5147 /** 5148 * Check whether a caller application has been delegated a given scope via 5149 * {@link #setDelegatedScopes} to access privileged APIs on the behalf of a profile owner or 5150 * device owner. 5151 * <p> 5152 * This is done by checking that {@code callerPackage} was granted {@code scope} delegation and 5153 * then comparing the calling UID with the UID of {@code callerPackage} as reported by 5154 * {@link PackageManager#getPackageUidAsUser}. 5155 * 5156 * @param callerPackage the name of the package that is trying to invoke a function in the DPMS. 5157 * @param scope the delegation scope to be checked. 5158 * @return {@code true} if the calling process is a delegate of {@code scope}. 5159 */ 5160 private boolean isCallerDelegate(String callerPackage, String scope) { 5161 Preconditions.checkNotNull(callerPackage, "callerPackage is null"); 5162 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 5163 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 5164 } 5165 5166 // Retrieve the UID and user ID of the calling process. 5167 final int callingUid = mInjector.binderGetCallingUid(); 5168 final int userId = UserHandle.getUserId(callingUid); 5169 synchronized (this) { 5170 // Retrieve user policy data. 5171 final DevicePolicyData policy = getUserData(userId); 5172 // Retrieve the list of delegation scopes granted to callerPackage. 5173 final List<String> scopes = policy.mDelegationMap.get(callerPackage); 5174 // Check callingUid only if callerPackage has the required scope delegation. 5175 if (scopes != null && scopes.contains(scope)) { 5176 try { 5177 // Retrieve the expected UID for callerPackage. 5178 final int uid = mInjector.getPackageManager() 5179 .getPackageUidAsUser(callerPackage, userId); 5180 // Return true if the caller is actually callerPackage. 5181 return uid == callingUid; 5182 } catch (NameNotFoundException e) { 5183 // Ignore. 5184 } 5185 } 5186 return false; 5187 } 5188 } 5189 5190 /** 5191 * Throw a security exception if a ComponentName is given and it is not a device/profile owner 5192 * or if the calling process is not a delegate of the given scope. 5193 * 5194 * @param who the device owner of profile owner, or null if {@code callerPackage} is a 5195 * {@code scope} delegate. 5196 * @param callerPackage the name of the calling package. Required if {@code who} is 5197 * {@code null}. 5198 * @param reqPolicy the policy used in the API whose access permission is being checked. 5199 * @param scope the delegation scope corresponding to the API being checked. 5200 * @throws SecurityException if {@code who} is given and is not an owner for {@code reqPolicy}; 5201 * or when {@code who} is {@code null} and {@code callerPackage} is not a delegate 5202 * of {@code scope}. 5203 */ 5204 private void enforceCanManageScope(ComponentName who, String callerPackage, int reqPolicy, 5205 String scope) { 5206 // If a ComponentName is given ensure it is a device or profile owner according to policy. 5207 if (who != null) { 5208 synchronized (this) { 5209 getActiveAdminForCallerLocked(who, reqPolicy); 5210 } 5211 // If no ComponentName is given ensure calling process has scope delegation. 5212 } else if (!isCallerDelegate(callerPackage, scope)) { 5213 throw new SecurityException("Caller with uid " + mInjector.binderGetCallingUid() 5214 + " is not a delegate of scope " + scope + "."); 5215 } 5216 } 5217 5218 /** 5219 * Helper function to preserve delegation behavior pre-O when using the deprecated functions 5220 * {@code #setCertInstallerPackage} and {@code #setApplicationRestrictionsManagingPackage}. 5221 */ 5222 private void setDelegatedScopePreO(ComponentName who, 5223 String delegatePackage, String scope) { 5224 Preconditions.checkNotNull(who, "ComponentName is null"); 5225 5226 final int userId = mInjector.userHandleGetCallingUserId(); 5227 synchronized(this) { 5228 // Ensure calling process is device/profile owner. 5229 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5230 final DevicePolicyData policy = getUserData(userId); 5231 5232 if (delegatePackage != null) { 5233 // Set package as a delegate for scope if it is not already one. 5234 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 5235 if (scopes == null) { 5236 scopes = new ArrayList<>(); 5237 } 5238 if (!scopes.contains(scope)) { 5239 scopes.add(scope); 5240 setDelegatedScopes(who, delegatePackage, scopes); 5241 } 5242 } 5243 5244 // Clear any existing scope delegates. 5245 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5246 final String currentPackage = policy.mDelegationMap.keyAt(i); 5247 final List<String> currentScopes = policy.mDelegationMap.valueAt(i); 5248 5249 if (!currentPackage.equals(delegatePackage) && currentScopes.contains(scope)) { 5250 final List<String> newScopes = new ArrayList(currentScopes); 5251 newScopes.remove(scope); 5252 setDelegatedScopes(who, currentPackage, newScopes); 5253 } 5254 } 5255 } 5256 } 5257 5258 @Override 5259 public void setCertInstallerPackage(ComponentName who, String installerPackage) 5260 throws SecurityException { 5261 setDelegatedScopePreO(who, installerPackage, DELEGATION_CERT_INSTALL); 5262 } 5263 5264 @Override 5265 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 5266 final List<String> delegatePackages = getDelegatePackages(who, DELEGATION_CERT_INSTALL); 5267 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 5268 } 5269 5270 /** 5271 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 5272 * not installed and therefore not available. 5273 * 5274 * @throws SecurityException if the caller is not a profile or device owner. 5275 * @throws UnsupportedOperationException if the package does not support being set as always-on. 5276 */ 5277 @Override 5278 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 5279 throws SecurityException { 5280 enforceProfileOrDeviceOwner(admin); 5281 5282 final int userId = mInjector.userHandleGetCallingUserId(); 5283 final long token = mInjector.binderClearCallingIdentity(); 5284 try { 5285 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 5286 return false; 5287 } 5288 ConnectivityManager connectivityManager = (ConnectivityManager) 5289 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5290 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 5291 throw new UnsupportedOperationException(); 5292 } 5293 } finally { 5294 mInjector.binderRestoreCallingIdentity(token); 5295 } 5296 return true; 5297 } 5298 5299 @Override 5300 public String getAlwaysOnVpnPackage(ComponentName admin) 5301 throws SecurityException { 5302 enforceProfileOrDeviceOwner(admin); 5303 5304 final int userId = mInjector.userHandleGetCallingUserId(); 5305 final long token = mInjector.binderClearCallingIdentity(); 5306 try{ 5307 ConnectivityManager connectivityManager = (ConnectivityManager) 5308 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5309 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 5310 } finally { 5311 mInjector.binderRestoreCallingIdentity(token); 5312 } 5313 } 5314 5315 private void forceWipeDeviceNoLock(boolean wipeExtRequested, String reason, boolean wipeEuicc) { 5316 wtfIfInLock(); 5317 5318 if (wipeExtRequested) { 5319 StorageManager sm = (StorageManager) mContext.getSystemService( 5320 Context.STORAGE_SERVICE); 5321 sm.wipeAdoptableDisks(); 5322 } 5323 try { 5324 mInjector.recoverySystemRebootWipeUserData( 5325 /*shutdown=*/ false, reason, /*force=*/ true, /*wipeEuicc=*/ wipeEuicc); 5326 } catch (IOException | SecurityException e) { 5327 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 5328 } 5329 } 5330 5331 private void forceWipeUser(int userId) { 5332 try { 5333 IActivityManager am = mInjector.getIActivityManager(); 5334 if (am.getCurrentUser().id == userId) { 5335 am.switchUser(UserHandle.USER_SYSTEM); 5336 } 5337 5338 boolean userRemoved = mUserManagerInternal.removeUserEvenWhenDisallowed(userId); 5339 if (!userRemoved) { 5340 Slog.w(LOG_TAG, "Couldn't remove user " + userId); 5341 } else if (isManagedProfile(userId)) { 5342 sendWipeProfileNotification(); 5343 } 5344 } catch (RemoteException re) { 5345 // Shouldn't happen 5346 } 5347 } 5348 5349 @Override 5350 public void wipeData(int flags) { 5351 if (!mHasFeature) { 5352 return; 5353 } 5354 enforceFullCrossUsersPermission(mInjector.userHandleGetCallingUserId()); 5355 5356 final ActiveAdmin admin; 5357 synchronized (this) { 5358 admin = getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_WIPE_DATA); 5359 } 5360 String reason = "DevicePolicyManager.wipeData() from " 5361 + admin.info.getComponent().flattenToShortString(); 5362 wipeDataNoLock( 5363 admin.info.getComponent(), flags, reason, admin.getUserHandle().getIdentifier()); 5364 } 5365 5366 private void wipeDataNoLock(ComponentName admin, int flags, String reason, int userId) { 5367 wtfIfInLock(); 5368 5369 long ident = mInjector.binderClearCallingIdentity(); 5370 try { 5371 // First check whether the admin is allowed to wipe the device/user/profile. 5372 final String restriction; 5373 if (userId == UserHandle.USER_SYSTEM) { 5374 restriction = UserManager.DISALLOW_FACTORY_RESET; 5375 } else if (isManagedProfile(userId)) { 5376 restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; 5377 } else { 5378 restriction = UserManager.DISALLOW_REMOVE_USER; 5379 } 5380 if (isAdminAffectedByRestriction(admin, restriction, userId)) { 5381 throw new SecurityException("Cannot wipe data. " + restriction 5382 + " restriction is set for user " + userId); 5383 } 5384 5385 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 5386 if (!isDeviceOwner(admin, userId)) { 5387 throw new SecurityException( 5388 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 5389 } 5390 PersistentDataBlockManager manager = (PersistentDataBlockManager) 5391 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 5392 if (manager != null) { 5393 manager.wipe(); 5394 } 5395 } 5396 5397 // TODO If split user is enabled and the device owner is set in the primary user 5398 // (rather than system), we should probably trigger factory reset. Current code just 5399 // removes that user (but still clears FRP...) 5400 if (userId == UserHandle.USER_SYSTEM) { 5401 forceWipeDeviceNoLock(/*wipeExtRequested=*/ (flags & WIPE_EXTERNAL_STORAGE) != 0, 5402 reason, /*wipeEuicc=*/ (flags & WIPE_EUICC) != 0); 5403 } else { 5404 forceWipeUser(userId); 5405 } 5406 } finally { 5407 mInjector.binderRestoreCallingIdentity(ident); 5408 } 5409 } 5410 5411 private void sendWipeProfileNotification() { 5412 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 5413 Notification notification = 5414 new Notification.Builder(mContext, SystemNotificationChannels.DEVICE_ADMIN) 5415 .setSmallIcon(android.R.drawable.stat_sys_warning) 5416 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 5417 .setContentText(contentText) 5418 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 5419 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 5420 .build(); 5421 mInjector.getNotificationManager().notify(SystemMessage.NOTE_PROFILE_WIPED, notification); 5422 } 5423 5424 private void clearWipeProfileNotification() { 5425 mInjector.getNotificationManager().cancel(SystemMessage.NOTE_PROFILE_WIPED); 5426 } 5427 5428 @Override 5429 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 5430 if (!mHasFeature) { 5431 return; 5432 } 5433 enforceFullCrossUsersPermission(userHandle); 5434 mContext.enforceCallingOrSelfPermission( 5435 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5436 5437 synchronized (this) { 5438 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 5439 if (admin == null) { 5440 result.sendResult(null); 5441 return; 5442 } 5443 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 5444 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 5445 intent.setComponent(admin.info.getComponent()); 5446 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 5447 null, new BroadcastReceiver() { 5448 @Override 5449 public void onReceive(Context context, Intent intent) { 5450 result.sendResult(getResultExtras(false)); 5451 } 5452 }, null, Activity.RESULT_OK, null, null); 5453 } 5454 } 5455 5456 /** 5457 * Notify DPMS regarding the metric of the current password. This happens when the user changes 5458 * the password, but also when the user just unlocks the keyguard. In comparison, 5459 * reportPasswordChanged() is only called when the user changes the password. 5460 */ 5461 @Override 5462 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 5463 if (!mHasFeature) { 5464 return; 5465 } 5466 enforceFullCrossUsersPermission(userHandle); 5467 mContext.enforceCallingOrSelfPermission( 5468 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5469 5470 // If the managed profile doesn't have a separate password, set the metrics to default 5471 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 5472 metrics = new PasswordMetrics(); 5473 } 5474 5475 validateQualityConstant(metrics.quality); 5476 DevicePolicyData policy = getUserData(userHandle); 5477 synchronized (this) { 5478 policy.mActivePasswordMetrics = metrics; 5479 policy.mPasswordStateHasBeenSetSinceBoot = true; 5480 } 5481 } 5482 5483 @Override 5484 public void reportPasswordChanged(@UserIdInt int userId) { 5485 if (!mHasFeature) { 5486 return; 5487 } 5488 enforceFullCrossUsersPermission(userId); 5489 5490 // Managed Profile password can only be changed when it has a separate challenge. 5491 if (!isSeparateProfileChallengeEnabled(userId)) { 5492 enforceNotManagedProfile(userId, "set the active password"); 5493 } 5494 5495 mContext.enforceCallingOrSelfPermission( 5496 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5497 5498 DevicePolicyData policy = getUserData(userId); 5499 5500 long ident = mInjector.binderClearCallingIdentity(); 5501 try { 5502 synchronized (this) { 5503 policy.mFailedPasswordAttempts = 0; 5504 updatePasswordValidityCheckpointLocked(userId); 5505 saveSettingsLocked(userId); 5506 updatePasswordExpirationsLocked(userId); 5507 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 5508 5509 // Send a broadcast to each profile using this password as its primary unlock. 5510 sendAdminCommandForLockscreenPoliciesLocked( 5511 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 5512 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 5513 } 5514 removeCaApprovalsIfNeeded(userId); 5515 } finally { 5516 mInjector.binderRestoreCallingIdentity(ident); 5517 } 5518 } 5519 5520 /** 5521 * Called any time the device password is updated. Resets all password expiration clocks. 5522 */ 5523 private void updatePasswordExpirationsLocked(int userHandle) { 5524 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 5525 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 5526 userHandle, /* parent */ false); 5527 final int N = admins.size(); 5528 for (int i = 0; i < N; i++) { 5529 ActiveAdmin admin = admins.get(i); 5530 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 5531 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 5532 long timeout = admin.passwordExpirationTimeout; 5533 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 5534 admin.passwordExpirationDate = expiration; 5535 } 5536 } 5537 for (int affectedUserId : affectedUserIds) { 5538 saveSettingsLocked(affectedUserId); 5539 } 5540 } 5541 5542 @Override 5543 public void reportFailedPasswordAttempt(int userHandle) { 5544 enforceFullCrossUsersPermission(userHandle); 5545 if (!isSeparateProfileChallengeEnabled(userHandle)) { 5546 enforceNotManagedProfile(userHandle, 5547 "report failed password attempt if separate profile challenge is not in place"); 5548 } 5549 mContext.enforceCallingOrSelfPermission( 5550 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5551 5552 boolean wipeData = false; 5553 ActiveAdmin strictestAdmin = null; 5554 final long ident = mInjector.binderClearCallingIdentity(); 5555 try { 5556 synchronized (this) { 5557 DevicePolicyData policy = getUserData(userHandle); 5558 policy.mFailedPasswordAttempts++; 5559 saveSettingsLocked(userHandle); 5560 if (mHasFeature) { 5561 strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 5562 userHandle, /* parent */ false); 5563 int max = strictestAdmin != null 5564 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5565 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5566 wipeData = true; 5567 } 5568 5569 sendAdminCommandForLockscreenPoliciesLocked( 5570 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5571 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5572 } 5573 } 5574 } finally { 5575 mInjector.binderRestoreCallingIdentity(ident); 5576 } 5577 5578 if (wipeData && strictestAdmin != null) { 5579 final int userId = strictestAdmin.getUserHandle().getIdentifier(); 5580 Slog.i(LOG_TAG, "Max failed password attempts policy reached for admin: " 5581 + strictestAdmin.info.getComponent().flattenToShortString() 5582 + ". Calling wipeData for user " + userId); 5583 5584 // Attempt to wipe the device/user/profile associated with the admin, as if the 5585 // admin had called wipeData(). That way we can check whether the admin is actually 5586 // allowed to wipe the device (e.g. a regular device admin shouldn't be able to wipe the 5587 // device if the device owner has set DISALLOW_FACTORY_RESET, but the DO should be 5588 // able to do so). 5589 // IMPORTANT: Call without holding the lock to prevent deadlock. 5590 try { 5591 wipeDataNoLock(strictestAdmin.info.getComponent(), 5592 /*flags=*/ 0, 5593 /*reason=*/ "reportFailedPasswordAttempt()", 5594 userId); 5595 } catch (SecurityException e) { 5596 Slog.w(LOG_TAG, "Failed to wipe user " + userId 5597 + " after max failed password attempts reached.", e); 5598 } 5599 } 5600 5601 if (mInjector.securityLogIsLoggingEnabled()) { 5602 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5603 /*method strength*/ 1); 5604 } 5605 } 5606 5607 @Override 5608 public void reportSuccessfulPasswordAttempt(int userHandle) { 5609 enforceFullCrossUsersPermission(userHandle); 5610 mContext.enforceCallingOrSelfPermission( 5611 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5612 5613 synchronized (this) { 5614 DevicePolicyData policy = getUserData(userHandle); 5615 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5616 long ident = mInjector.binderClearCallingIdentity(); 5617 try { 5618 policy.mFailedPasswordAttempts = 0; 5619 policy.mPasswordOwner = -1; 5620 saveSettingsLocked(userHandle); 5621 if (mHasFeature) { 5622 sendAdminCommandForLockscreenPoliciesLocked( 5623 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5624 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5625 } 5626 } finally { 5627 mInjector.binderRestoreCallingIdentity(ident); 5628 } 5629 } 5630 } 5631 5632 if (mInjector.securityLogIsLoggingEnabled()) { 5633 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5634 /*method strength*/ 1); 5635 } 5636 } 5637 5638 @Override 5639 public void reportFailedFingerprintAttempt(int userHandle) { 5640 enforceFullCrossUsersPermission(userHandle); 5641 mContext.enforceCallingOrSelfPermission( 5642 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5643 if (mInjector.securityLogIsLoggingEnabled()) { 5644 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5645 /*method strength*/ 0); 5646 } 5647 } 5648 5649 @Override 5650 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5651 enforceFullCrossUsersPermission(userHandle); 5652 mContext.enforceCallingOrSelfPermission( 5653 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5654 if (mInjector.securityLogIsLoggingEnabled()) { 5655 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5656 /*method strength*/ 0); 5657 } 5658 } 5659 5660 @Override 5661 public void reportKeyguardDismissed(int userHandle) { 5662 enforceFullCrossUsersPermission(userHandle); 5663 mContext.enforceCallingOrSelfPermission( 5664 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5665 5666 if (mInjector.securityLogIsLoggingEnabled()) { 5667 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5668 } 5669 } 5670 5671 @Override 5672 public void reportKeyguardSecured(int userHandle) { 5673 enforceFullCrossUsersPermission(userHandle); 5674 mContext.enforceCallingOrSelfPermission( 5675 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5676 5677 if (mInjector.securityLogIsLoggingEnabled()) { 5678 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5679 } 5680 } 5681 5682 @Override 5683 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5684 String exclusionList) { 5685 if (!mHasFeature) { 5686 return null; 5687 } 5688 synchronized(this) { 5689 Preconditions.checkNotNull(who, "ComponentName is null"); 5690 5691 // Only check if system user has set global proxy. We don't allow other users to set it. 5692 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5693 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5694 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5695 5696 // Scan through active admins and find if anyone has already 5697 // set the global proxy. 5698 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5699 for (ComponentName component : compSet) { 5700 ActiveAdmin ap = policy.mAdminMap.get(component); 5701 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5702 // Another admin already sets the global proxy 5703 // Return it to the caller. 5704 return component; 5705 } 5706 } 5707 5708 // If the user is not system, don't set the global proxy. Fail silently. 5709 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5710 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5711 + UserHandle.getCallingUserId() + " is not permitted."); 5712 return null; 5713 } 5714 if (proxySpec == null) { 5715 admin.specifiesGlobalProxy = false; 5716 admin.globalProxySpec = null; 5717 admin.globalProxyExclusionList = null; 5718 } else { 5719 5720 admin.specifiesGlobalProxy = true; 5721 admin.globalProxySpec = proxySpec; 5722 admin.globalProxyExclusionList = exclusionList; 5723 } 5724 5725 // Reset the global proxy accordingly 5726 // Do this using system permissions, as apps cannot write to secure settings 5727 long origId = mInjector.binderClearCallingIdentity(); 5728 try { 5729 resetGlobalProxyLocked(policy); 5730 } finally { 5731 mInjector.binderRestoreCallingIdentity(origId); 5732 } 5733 return null; 5734 } 5735 } 5736 5737 @Override 5738 public ComponentName getGlobalProxyAdmin(int userHandle) { 5739 if (!mHasFeature) { 5740 return null; 5741 } 5742 enforceFullCrossUsersPermission(userHandle); 5743 synchronized(this) { 5744 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5745 // Scan through active admins and find if anyone has already 5746 // set the global proxy. 5747 final int N = policy.mAdminList.size(); 5748 for (int i = 0; i < N; i++) { 5749 ActiveAdmin ap = policy.mAdminList.get(i); 5750 if (ap.specifiesGlobalProxy) { 5751 // Device admin sets the global proxy 5752 // Return it to the caller. 5753 return ap.info.getComponent(); 5754 } 5755 } 5756 } 5757 // No device admin sets the global proxy. 5758 return null; 5759 } 5760 5761 @Override 5762 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5763 synchronized (this) { 5764 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5765 } 5766 long token = mInjector.binderClearCallingIdentity(); 5767 try { 5768 ConnectivityManager connectivityManager = (ConnectivityManager) 5769 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5770 connectivityManager.setGlobalProxy(proxyInfo); 5771 } finally { 5772 mInjector.binderRestoreCallingIdentity(token); 5773 } 5774 } 5775 5776 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5777 final int N = policy.mAdminList.size(); 5778 for (int i = 0; i < N; i++) { 5779 ActiveAdmin ap = policy.mAdminList.get(i); 5780 if (ap.specifiesGlobalProxy) { 5781 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5782 return; 5783 } 5784 } 5785 // No device admins defining global proxies - reset global proxy settings to none 5786 saveGlobalProxyLocked(null, null); 5787 } 5788 5789 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5790 if (exclusionList == null) { 5791 exclusionList = ""; 5792 } 5793 if (proxySpec == null) { 5794 proxySpec = ""; 5795 } 5796 // Remove white spaces 5797 proxySpec = proxySpec.trim(); 5798 String data[] = proxySpec.split(":"); 5799 int proxyPort = 8080; 5800 if (data.length > 1) { 5801 try { 5802 proxyPort = Integer.parseInt(data[1]); 5803 } catch (NumberFormatException e) {} 5804 } 5805 exclusionList = exclusionList.trim(); 5806 5807 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5808 if (!proxyProperties.isValid()) { 5809 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5810 return; 5811 } 5812 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5813 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5814 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5815 exclusionList); 5816 } 5817 5818 /** 5819 * Set the storage encryption request for a single admin. Returns the new total request 5820 * status (for all admins). 5821 */ 5822 @Override 5823 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5824 if (!mHasFeature) { 5825 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5826 } 5827 Preconditions.checkNotNull(who, "ComponentName is null"); 5828 final int userHandle = UserHandle.getCallingUserId(); 5829 synchronized (this) { 5830 // Check for permissions 5831 // Only system user can set storage encryption 5832 if (userHandle != UserHandle.USER_SYSTEM) { 5833 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5834 + UserHandle.getCallingUserId() + " is not permitted."); 5835 return 0; 5836 } 5837 5838 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5839 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5840 5841 // Quick exit: If the filesystem does not support encryption, we can exit early. 5842 if (!isEncryptionSupported()) { 5843 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5844 } 5845 5846 // (1) Record the value for the admin so it's sticky 5847 if (ap.encryptionRequested != encrypt) { 5848 ap.encryptionRequested = encrypt; 5849 saveSettingsLocked(userHandle); 5850 } 5851 5852 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5853 // (2) Compute "max" for all admins 5854 boolean newRequested = false; 5855 final int N = policy.mAdminList.size(); 5856 for (int i = 0; i < N; i++) { 5857 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5858 } 5859 5860 // Notify OS of new request 5861 setEncryptionRequested(newRequested); 5862 5863 // Return the new global request status 5864 return newRequested 5865 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5866 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5867 } 5868 } 5869 5870 /** 5871 * Get the current storage encryption request status for a given admin, or aggregate of all 5872 * active admins. 5873 */ 5874 @Override 5875 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5876 if (!mHasFeature) { 5877 return false; 5878 } 5879 enforceFullCrossUsersPermission(userHandle); 5880 synchronized (this) { 5881 // Check for permissions if a particular caller is specified 5882 if (who != null) { 5883 // When checking for a single caller, status is based on caller's request 5884 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5885 return ap != null ? ap.encryptionRequested : false; 5886 } 5887 5888 // If no particular caller is specified, return the aggregate set of requests. 5889 // This is short circuited by returning true on the first hit. 5890 DevicePolicyData policy = getUserData(userHandle); 5891 final int N = policy.mAdminList.size(); 5892 for (int i = 0; i < N; i++) { 5893 if (policy.mAdminList.get(i).encryptionRequested) { 5894 return true; 5895 } 5896 } 5897 return false; 5898 } 5899 } 5900 5901 /** 5902 * Get the current encryption status of the device. 5903 */ 5904 @Override 5905 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5906 if (!mHasFeature) { 5907 // Ok to return current status. 5908 } 5909 enforceFullCrossUsersPermission(userHandle); 5910 5911 // It's not critical here, but let's make sure the package name is correct, in case 5912 // we start using it for different purposes. 5913 ensureCallerPackage(callerPackage); 5914 5915 final ApplicationInfo ai; 5916 try { 5917 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5918 } catch (RemoteException e) { 5919 throw new SecurityException(e); 5920 } 5921 5922 boolean legacyApp = false; 5923 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5924 legacyApp = true; 5925 } 5926 5927 final int rawStatus = getEncryptionStatus(); 5928 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5929 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5930 } 5931 return rawStatus; 5932 } 5933 5934 /** 5935 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5936 */ 5937 private boolean isEncryptionSupported() { 5938 // Note, this can be implemented as 5939 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5940 // But is provided as a separate internal method if there's a faster way to do a 5941 // simple check for supported-or-not. 5942 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5943 } 5944 5945 /** 5946 * Hook to low-levels: Reporting the current status of encryption. 5947 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5948 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5949 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5950 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5951 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5952 */ 5953 private int getEncryptionStatus() { 5954 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5955 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5956 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5957 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5958 } else if (mInjector.storageManagerIsEncrypted()) { 5959 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5960 } else if (mInjector.storageManagerIsEncryptable()) { 5961 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5962 } else { 5963 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5964 } 5965 } 5966 5967 /** 5968 * Hook to low-levels: If needed, record the new admin setting for encryption. 5969 */ 5970 private void setEncryptionRequested(boolean encrypt) { 5971 } 5972 5973 /** 5974 * Set whether the screen capture is disabled for the user managed by the specified admin. 5975 */ 5976 @Override 5977 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5978 if (!mHasFeature) { 5979 return; 5980 } 5981 Preconditions.checkNotNull(who, "ComponentName is null"); 5982 final int userHandle = UserHandle.getCallingUserId(); 5983 synchronized (this) { 5984 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5985 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5986 if (ap.disableScreenCapture != disabled) { 5987 ap.disableScreenCapture = disabled; 5988 saveSettingsLocked(userHandle); 5989 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5990 } 5991 } 5992 } 5993 5994 /** 5995 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5996 * active admin (if given admin is null). 5997 */ 5998 @Override 5999 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 6000 if (!mHasFeature) { 6001 return false; 6002 } 6003 synchronized (this) { 6004 if (who != null) { 6005 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6006 return (admin != null) ? admin.disableScreenCapture : false; 6007 } 6008 6009 DevicePolicyData policy = getUserData(userHandle); 6010 final int N = policy.mAdminList.size(); 6011 for (int i = 0; i < N; i++) { 6012 ActiveAdmin admin = policy.mAdminList.get(i); 6013 if (admin.disableScreenCapture) { 6014 return true; 6015 } 6016 } 6017 return false; 6018 } 6019 } 6020 6021 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 6022 final boolean disabled) { 6023 mHandler.post(new Runnable() { 6024 @Override 6025 public void run() { 6026 try { 6027 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 6028 } catch (RemoteException e) { 6029 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 6030 } 6031 } 6032 }); 6033 } 6034 6035 /** 6036 * Set whether auto time is required by the specified admin (must be device or profile owner). 6037 */ 6038 @Override 6039 public void setAutoTimeRequired(ComponentName who, boolean required) { 6040 if (!mHasFeature) { 6041 return; 6042 } 6043 Preconditions.checkNotNull(who, "ComponentName is null"); 6044 final int userHandle = UserHandle.getCallingUserId(); 6045 synchronized (this) { 6046 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6047 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6048 if (admin.requireAutoTime != required) { 6049 admin.requireAutoTime = required; 6050 saveSettingsLocked(userHandle); 6051 } 6052 } 6053 6054 // Turn AUTO_TIME on in settings if it is required 6055 if (required) { 6056 long ident = mInjector.binderClearCallingIdentity(); 6057 try { 6058 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 6059 } finally { 6060 mInjector.binderRestoreCallingIdentity(ident); 6061 } 6062 } 6063 } 6064 6065 /** 6066 * Returns whether or not auto time is required by the device owner or any profile owner. 6067 */ 6068 @Override 6069 public boolean getAutoTimeRequired() { 6070 if (!mHasFeature) { 6071 return false; 6072 } 6073 synchronized (this) { 6074 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6075 if (deviceOwner != null && deviceOwner.requireAutoTime) { 6076 // If the device owner enforces auto time, we don't need to check the PO's 6077 return true; 6078 } 6079 6080 // Now check to see if any profile owner on any user enforces auto time 6081 for (Integer userId : mOwners.getProfileOwnerKeys()) { 6082 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 6083 if (profileOwner != null && profileOwner.requireAutoTime) { 6084 return true; 6085 } 6086 } 6087 6088 return false; 6089 } 6090 } 6091 6092 @Override 6093 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 6094 if (!mHasFeature) { 6095 return; 6096 } 6097 Preconditions.checkNotNull(who, "ComponentName is null"); 6098 // Allow setting this policy to true only if there is a split system user. 6099 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 6100 throw new UnsupportedOperationException( 6101 "Cannot force ephemeral users on systems without split system user."); 6102 } 6103 boolean removeAllUsers = false; 6104 synchronized (this) { 6105 final ActiveAdmin deviceOwner = 6106 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6107 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 6108 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 6109 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 6110 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 6111 removeAllUsers = forceEphemeralUsers; 6112 } 6113 } 6114 if (removeAllUsers) { 6115 long identitity = mInjector.binderClearCallingIdentity(); 6116 try { 6117 mUserManagerInternal.removeAllUsers(); 6118 } finally { 6119 mInjector.binderRestoreCallingIdentity(identitity); 6120 } 6121 } 6122 } 6123 6124 @Override 6125 public boolean getForceEphemeralUsers(ComponentName who) { 6126 if (!mHasFeature) { 6127 return false; 6128 } 6129 Preconditions.checkNotNull(who, "ComponentName is null"); 6130 synchronized (this) { 6131 final ActiveAdmin deviceOwner = 6132 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6133 return deviceOwner.forceEphemeralUsers; 6134 } 6135 } 6136 6137 private void ensureDeviceOwnerAndAllUsersAffiliated(ComponentName who) throws SecurityException { 6138 synchronized (this) { 6139 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6140 if (!areAllUsersAffiliatedWithDeviceLocked()) { 6141 throw new SecurityException("Not all users are affiliated."); 6142 } 6143 } 6144 } 6145 6146 @Override 6147 public boolean requestBugreport(ComponentName who) { 6148 if (!mHasFeature) { 6149 return false; 6150 } 6151 Preconditions.checkNotNull(who, "ComponentName is null"); 6152 6153 // TODO: If an unaffiliated user is removed, the admin will be able to request a bugreport 6154 // which could still contain data related to that user. Should we disallow that, e.g. until 6155 // next boot? Might not be needed given that this still requires user consent. 6156 ensureDeviceOwnerAndAllUsersAffiliated(who); 6157 6158 if (mRemoteBugreportServiceIsActive.get() 6159 || (getDeviceOwnerRemoteBugreportUri() != null)) { 6160 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 6161 return false; 6162 } 6163 6164 final long currentTime = System.currentTimeMillis(); 6165 synchronized (this) { 6166 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6167 if (currentTime > policyData.mLastBugReportRequestTime) { 6168 policyData.mLastBugReportRequestTime = currentTime; 6169 saveSettingsLocked(UserHandle.USER_SYSTEM); 6170 } 6171 } 6172 6173 final long callingIdentity = mInjector.binderClearCallingIdentity(); 6174 try { 6175 mInjector.getIActivityManager().requestBugReport( 6176 ActivityManager.BUGREPORT_OPTION_REMOTE); 6177 6178 mRemoteBugreportServiceIsActive.set(true); 6179 mRemoteBugreportSharingAccepted.set(false); 6180 registerRemoteBugreportReceivers(); 6181 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 6182 RemoteBugreportUtils.NOTIFICATION_ID, 6183 RemoteBugreportUtils.buildNotification(mContext, 6184 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 6185 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 6186 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 6187 return true; 6188 } catch (RemoteException re) { 6189 // should never happen 6190 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 6191 return false; 6192 } finally { 6193 mInjector.binderRestoreCallingIdentity(callingIdentity); 6194 } 6195 } 6196 6197 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 6198 Intent intent = new Intent(action); 6199 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6200 if (extras != null) { 6201 intent.putExtras(extras); 6202 } 6203 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6204 } 6205 6206 private synchronized String getDeviceOwnerRemoteBugreportUri() { 6207 return mOwners.getDeviceOwnerRemoteBugreportUri(); 6208 } 6209 6210 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 6211 String bugreportHash) { 6212 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 6213 } 6214 6215 private void registerRemoteBugreportReceivers() { 6216 try { 6217 IntentFilter filterFinished = new IntentFilter( 6218 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 6219 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6220 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 6221 } catch (IntentFilter.MalformedMimeTypeException e) { 6222 // should never happen, as setting a constant 6223 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 6224 } 6225 IntentFilter filterConsent = new IntentFilter(); 6226 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 6227 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 6228 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 6229 } 6230 6231 private void onBugreportFinished(Intent intent) { 6232 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6233 mRemoteBugreportServiceIsActive.set(false); 6234 Uri bugreportUri = intent.getData(); 6235 String bugreportUriString = null; 6236 if (bugreportUri != null) { 6237 bugreportUriString = bugreportUri.toString(); 6238 } 6239 String bugreportHash = intent.getStringExtra( 6240 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 6241 if (mRemoteBugreportSharingAccepted.get()) { 6242 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6243 mInjector.getNotificationManager().cancel(LOG_TAG, 6244 RemoteBugreportUtils.NOTIFICATION_ID); 6245 } else { 6246 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 6247 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6248 RemoteBugreportUtils.buildNotification(mContext, 6249 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 6250 UserHandle.ALL); 6251 } 6252 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6253 } 6254 6255 private void onBugreportFailed() { 6256 mRemoteBugreportServiceIsActive.set(false); 6257 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6258 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6259 mRemoteBugreportSharingAccepted.set(false); 6260 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6261 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 6262 Bundle extras = new Bundle(); 6263 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6264 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 6265 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6266 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 6267 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6268 } 6269 6270 private void onBugreportSharingAccepted() { 6271 mRemoteBugreportSharingAccepted.set(true); 6272 String bugreportUriString = null; 6273 String bugreportHash = null; 6274 synchronized (this) { 6275 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 6276 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 6277 } 6278 if (bugreportUriString != null) { 6279 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6280 } else if (mRemoteBugreportServiceIsActive.get()) { 6281 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6282 RemoteBugreportUtils.buildNotification(mContext, 6283 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 6284 UserHandle.ALL); 6285 } 6286 } 6287 6288 private void onBugreportSharingDeclined() { 6289 if (mRemoteBugreportServiceIsActive.get()) { 6290 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6291 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6292 mRemoteBugreportServiceIsActive.set(false); 6293 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6294 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6295 } 6296 mRemoteBugreportSharingAccepted.set(false); 6297 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6298 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 6299 } 6300 6301 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 6302 String bugreportHash) { 6303 ParcelFileDescriptor pfd = null; 6304 try { 6305 if (bugreportUriString == null) { 6306 throw new FileNotFoundException(); 6307 } 6308 Uri bugreportUri = Uri.parse(bugreportUriString); 6309 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 6310 6311 synchronized (this) { 6312 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 6313 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6314 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6315 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 6316 intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6317 6318 LocalServices.getService(ActivityManagerInternal.class) 6319 .grantUriPermissionFromIntent(Process.SHELL_UID, 6320 mOwners.getDeviceOwnerComponent().getPackageName(), 6321 intent, mOwners.getDeviceOwnerUserId()); 6322 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6323 } 6324 } catch (FileNotFoundException e) { 6325 Bundle extras = new Bundle(); 6326 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6327 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 6328 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6329 } finally { 6330 try { 6331 if (pfd != null) { 6332 pfd.close(); 6333 } 6334 } catch (IOException ex) { 6335 // Ignore 6336 } 6337 mRemoteBugreportSharingAccepted.set(false); 6338 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6339 } 6340 } 6341 6342 /** 6343 * Disables all device cameras according to the specified admin. 6344 */ 6345 @Override 6346 public void setCameraDisabled(ComponentName who, boolean disabled) { 6347 if (!mHasFeature) { 6348 return; 6349 } 6350 Preconditions.checkNotNull(who, "ComponentName is null"); 6351 final int userHandle = mInjector.userHandleGetCallingUserId(); 6352 synchronized (this) { 6353 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 6354 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 6355 if (ap.disableCamera != disabled) { 6356 ap.disableCamera = disabled; 6357 saveSettingsLocked(userHandle); 6358 } 6359 } 6360 // Tell the user manager that the restrictions have changed. 6361 pushUserRestrictions(userHandle); 6362 } 6363 6364 /** 6365 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 6366 * active admins. 6367 */ 6368 @Override 6369 public boolean getCameraDisabled(ComponentName who, int userHandle) { 6370 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 6371 } 6372 6373 private boolean getCameraDisabled(ComponentName who, int userHandle, 6374 boolean mergeDeviceOwnerRestriction) { 6375 if (!mHasFeature) { 6376 return false; 6377 } 6378 synchronized (this) { 6379 if (who != null) { 6380 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6381 return (admin != null) ? admin.disableCamera : false; 6382 } 6383 // First, see if DO has set it. If so, it's device-wide. 6384 if (mergeDeviceOwnerRestriction) { 6385 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6386 if (deviceOwner != null && deviceOwner.disableCamera) { 6387 return true; 6388 } 6389 } 6390 6391 // Then check each device admin on the user. 6392 DevicePolicyData policy = getUserData(userHandle); 6393 // Determine whether or not the device camera is disabled for any active admins. 6394 final int N = policy.mAdminList.size(); 6395 for (int i = 0; i < N; i++) { 6396 ActiveAdmin admin = policy.mAdminList.get(i); 6397 if (admin.disableCamera) { 6398 return true; 6399 } 6400 } 6401 return false; 6402 } 6403 } 6404 6405 @Override 6406 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 6407 if (!mHasFeature) { 6408 return; 6409 } 6410 Preconditions.checkNotNull(who, "ComponentName is null"); 6411 final int userHandle = mInjector.userHandleGetCallingUserId(); 6412 if (isManagedProfile(userHandle)) { 6413 if (parent) { 6414 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 6415 } else { 6416 which = which & PROFILE_KEYGUARD_FEATURES; 6417 } 6418 } 6419 synchronized (this) { 6420 ActiveAdmin ap = getActiveAdminForCallerLocked( 6421 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6422 if (ap.disabledKeyguardFeatures != which) { 6423 ap.disabledKeyguardFeatures = which; 6424 saveSettingsLocked(userHandle); 6425 } 6426 } 6427 } 6428 6429 /** 6430 * Gets the disabled state for features in keyguard for the given admin, 6431 * or the aggregate of all active admins if who is null. 6432 */ 6433 @Override 6434 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 6435 if (!mHasFeature) { 6436 return 0; 6437 } 6438 enforceFullCrossUsersPermission(userHandle); 6439 final long ident = mInjector.binderClearCallingIdentity(); 6440 try { 6441 synchronized (this) { 6442 if (who != null) { 6443 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 6444 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 6445 } 6446 6447 final List<ActiveAdmin> admins; 6448 if (!parent && isManagedProfile(userHandle)) { 6449 // If we are being asked about a managed profile, just return keyguard features 6450 // disabled by admins in the profile. 6451 admins = getUserDataUnchecked(userHandle).mAdminList; 6452 } else { 6453 // Otherwise return those set by admins in the user and its profiles. 6454 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6455 } 6456 6457 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 6458 final int N = admins.size(); 6459 for (int i = 0; i < N; i++) { 6460 ActiveAdmin admin = admins.get(i); 6461 int userId = admin.getUserHandle().getIdentifier(); 6462 boolean isRequestedUser = !parent && (userId == userHandle); 6463 if (isRequestedUser || !isManagedProfile(userId)) { 6464 // If we are being asked explicitly about this user 6465 // return all disabled features even if its a managed profile. 6466 which |= admin.disabledKeyguardFeatures; 6467 } else { 6468 // Otherwise a managed profile is only allowed to disable 6469 // some features on the parent user. 6470 which |= (admin.disabledKeyguardFeatures 6471 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 6472 } 6473 } 6474 return which; 6475 } 6476 } finally { 6477 mInjector.binderRestoreCallingIdentity(ident); 6478 } 6479 } 6480 6481 @Override 6482 public void setKeepUninstalledPackages(ComponentName who, String callerPackage, 6483 List<String> packageList) { 6484 if (!mHasFeature) { 6485 return; 6486 } 6487 Preconditions.checkNotNull(packageList, "packageList is null"); 6488 final int userHandle = UserHandle.getCallingUserId(); 6489 synchronized (this) { 6490 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6491 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6492 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6493 // Get the device owner 6494 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6495 // Set list of packages to be kept even if uninstalled. 6496 deviceOwner.keepUninstalledPackages = packageList; 6497 // Save settings. 6498 saveSettingsLocked(userHandle); 6499 // Notify package manager. 6500 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 6501 } 6502 } 6503 6504 @Override 6505 public List<String> getKeepUninstalledPackages(ComponentName who, String callerPackage) { 6506 if (!mHasFeature) { 6507 return null; 6508 } 6509 // TODO In split system user mode, allow apps on user 0 to query the list 6510 synchronized (this) { 6511 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6512 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6513 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6514 return getKeepUninstalledPackagesLocked(); 6515 } 6516 } 6517 6518 private List<String> getKeepUninstalledPackagesLocked() { 6519 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6520 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 6521 } 6522 6523 @Override 6524 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 6525 if (!mHasFeature) { 6526 return false; 6527 } 6528 if (admin == null 6529 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 6530 throw new IllegalArgumentException("Invalid component " + admin 6531 + " for device owner"); 6532 } 6533 final boolean hasIncompatibleAccountsOrNonAdb = 6534 hasIncompatibleAccountsOrNonAdbNoLock(userId, admin); 6535 synchronized (this) { 6536 enforceCanSetDeviceOwnerLocked(admin, userId, hasIncompatibleAccountsOrNonAdb); 6537 final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); 6538 if (activeAdmin == null 6539 || getUserData(userId).mRemovingAdmins.contains(admin)) { 6540 throw new IllegalArgumentException("Not active admin: " + admin); 6541 } 6542 6543 // Shutting down backup manager service permanently. 6544 long ident = mInjector.binderClearCallingIdentity(); 6545 try { 6546 if (mInjector.getIBackupManager() != null) { 6547 mInjector.getIBackupManager() 6548 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 6549 } 6550 } catch (RemoteException e) { 6551 throw new IllegalStateException("Failed deactivating backup service.", e); 6552 } finally { 6553 mInjector.binderRestoreCallingIdentity(ident); 6554 } 6555 6556 if (isAdb()) { 6557 // Log device owner provisioning was started using adb. 6558 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 6559 } 6560 6561 mOwners.setDeviceOwner(admin, ownerName, userId); 6562 mOwners.writeDeviceOwner(); 6563 updateDeviceOwnerLocked(); 6564 setDeviceOwnerSystemPropertyLocked(); 6565 6566 final Set<String> restrictions = 6567 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); 6568 if (!restrictions.isEmpty()) { 6569 for (String restriction : restrictions) { 6570 activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); 6571 } 6572 activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); 6573 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); 6574 6575 saveUserRestrictionsLocked(userId); 6576 } 6577 6578 ident = mInjector.binderClearCallingIdentity(); 6579 try { 6580 // TODO Send to system too? 6581 mContext.sendBroadcastAsUser( 6582 new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED) 6583 .addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND), 6584 UserHandle.of(userId)); 6585 } finally { 6586 mInjector.binderRestoreCallingIdentity(ident); 6587 } 6588 mDeviceAdminServiceController.startServiceForOwner( 6589 admin.getPackageName(), userId, "set-device-owner"); 6590 6591 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 6592 return true; 6593 } 6594 } 6595 6596 @Override 6597 public boolean hasDeviceOwner() { 6598 enforceDeviceOwnerOrManageUsers(); 6599 return mOwners.hasDeviceOwner(); 6600 } 6601 6602 boolean isDeviceOwner(ActiveAdmin admin) { 6603 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6604 } 6605 6606 public boolean isDeviceOwner(ComponentName who, int userId) { 6607 synchronized (this) { 6608 return mOwners.hasDeviceOwner() 6609 && mOwners.getDeviceOwnerUserId() == userId 6610 && mOwners.getDeviceOwnerComponent().equals(who); 6611 } 6612 } 6613 6614 private boolean isDeviceOwnerPackage(String packageName, int userId) { 6615 synchronized (this) { 6616 return mOwners.hasDeviceOwner() 6617 && mOwners.getDeviceOwnerUserId() == userId 6618 && mOwners.getDeviceOwnerPackageName().equals(packageName); 6619 } 6620 } 6621 6622 private boolean isProfileOwnerPackage(String packageName, int userId) { 6623 synchronized (this) { 6624 return mOwners.hasProfileOwner(userId) 6625 && mOwners.getProfileOwnerPackage(userId).equals(packageName); 6626 } 6627 } 6628 6629 public boolean isProfileOwner(ComponentName who, int userId) { 6630 final ComponentName profileOwner = getProfileOwner(userId); 6631 return who != null && who.equals(profileOwner); 6632 } 6633 6634 @Override 6635 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6636 if (!mHasFeature) { 6637 return null; 6638 } 6639 if (!callingUserOnly) { 6640 enforceManageUsers(); 6641 } 6642 synchronized (this) { 6643 if (!mOwners.hasDeviceOwner()) { 6644 return null; 6645 } 6646 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6647 mOwners.getDeviceOwnerUserId()) { 6648 return null; 6649 } 6650 return mOwners.getDeviceOwnerComponent(); 6651 } 6652 } 6653 6654 @Override 6655 public int getDeviceOwnerUserId() { 6656 if (!mHasFeature) { 6657 return UserHandle.USER_NULL; 6658 } 6659 enforceManageUsers(); 6660 synchronized (this) { 6661 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6662 } 6663 } 6664 6665 /** 6666 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6667 * MANAGE_USERS. 6668 */ 6669 @Override 6670 public String getDeviceOwnerName() { 6671 if (!mHasFeature) { 6672 return null; 6673 } 6674 enforceManageUsers(); 6675 synchronized (this) { 6676 if (!mOwners.hasDeviceOwner()) { 6677 return null; 6678 } 6679 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6680 // Should setDeviceOwner/ProfileOwner still take a name? 6681 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6682 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6683 } 6684 } 6685 6686 /** Returns the active device owner or {@code null} if there is no device owner. */ 6687 @VisibleForTesting 6688 ActiveAdmin getDeviceOwnerAdminLocked() { 6689 ComponentName component = mOwners.getDeviceOwnerComponent(); 6690 if (component == null) { 6691 return null; 6692 } 6693 6694 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6695 final int n = policy.mAdminList.size(); 6696 for (int i = 0; i < n; i++) { 6697 ActiveAdmin admin = policy.mAdminList.get(i); 6698 if (component.equals(admin.info.getComponent())) { 6699 return admin; 6700 } 6701 } 6702 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6703 return null; 6704 } 6705 6706 @Override 6707 public void clearDeviceOwner(String packageName) { 6708 Preconditions.checkNotNull(packageName, "packageName is null"); 6709 final int callingUid = mInjector.binderGetCallingUid(); 6710 try { 6711 int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, 6712 UserHandle.getUserId(callingUid)); 6713 if (uid != callingUid) { 6714 throw new SecurityException("Invalid packageName"); 6715 } 6716 } catch (NameNotFoundException e) { 6717 throw new SecurityException(e); 6718 } 6719 synchronized (this) { 6720 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6721 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6722 if (!mOwners.hasDeviceOwner() 6723 || !deviceOwnerComponent.getPackageName().equals(packageName) 6724 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6725 throw new SecurityException( 6726 "clearDeviceOwner can only be called by the device owner"); 6727 } 6728 enforceUserUnlocked(deviceOwnerUserId); 6729 6730 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6731 long ident = mInjector.binderClearCallingIdentity(); 6732 try { 6733 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6734 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6735 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6736 intent.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND); 6737 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6738 } finally { 6739 mInjector.binderRestoreCallingIdentity(ident); 6740 } 6741 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6742 } 6743 } 6744 6745 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6746 mDeviceAdminServiceController.stopServiceForOwner(userId, "clear-device-owner"); 6747 6748 if (admin != null) { 6749 admin.disableCamera = false; 6750 admin.userRestrictions = null; 6751 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6752 admin.forceEphemeralUsers = false; 6753 admin.isNetworkLoggingEnabled = false; 6754 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6755 } 6756 final DevicePolicyData policyData = getUserData(userId); 6757 policyData.mCurrentInputMethodSet = false; 6758 saveSettingsLocked(userId); 6759 final DevicePolicyData systemPolicyData = getUserData(UserHandle.USER_SYSTEM); 6760 systemPolicyData.mLastSecurityLogRetrievalTime = -1; 6761 systemPolicyData.mLastBugReportRequestTime = -1; 6762 systemPolicyData.mLastNetworkLogsRetrievalTime = -1; 6763 saveSettingsLocked(UserHandle.USER_SYSTEM); 6764 clearUserPoliciesLocked(userId); 6765 6766 mOwners.clearDeviceOwner(); 6767 mOwners.writeDeviceOwner(); 6768 updateDeviceOwnerLocked(); 6769 6770 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userId)); 6771 mInjector.securityLogSetLoggingEnabledProperty(false); 6772 mSecurityLogMonitor.stop(); 6773 setNetworkLoggingActiveInternal(false); 6774 6775 try { 6776 if (mInjector.getIBackupManager() != null) { 6777 // Reactivate backup service. 6778 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6779 } 6780 } catch (RemoteException e) { 6781 throw new IllegalStateException("Failed reactivating backup service.", e); 6782 } 6783 } 6784 6785 @Override 6786 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6787 if (!mHasFeature) { 6788 return false; 6789 } 6790 if (who == null 6791 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6792 throw new IllegalArgumentException("Component " + who 6793 + " not installed for userId:" + userHandle); 6794 } 6795 final boolean hasIncompatibleAccountsOrNonAdb = 6796 hasIncompatibleAccountsOrNonAdbNoLock(userHandle, who); 6797 synchronized (this) { 6798 enforceCanSetProfileOwnerLocked(who, userHandle, hasIncompatibleAccountsOrNonAdb); 6799 6800 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6801 if (admin == null || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6802 throw new IllegalArgumentException("Not active admin: " + who); 6803 } 6804 6805 if (isAdb()) { 6806 // Log profile owner provisioning was started using adb. 6807 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6808 } 6809 6810 mOwners.setProfileOwner(who, ownerName, userHandle); 6811 mOwners.writeProfileOwner(userHandle); 6812 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6813 6814 final long id = mInjector.binderClearCallingIdentity(); 6815 try { 6816 if (mUserManager.isManagedProfile(userHandle)) { 6817 maybeSetDefaultRestrictionsForAdminLocked(userHandle, admin, 6818 UserRestrictionsUtils.getDefaultEnabledForManagedProfiles()); 6819 ensureUnknownSourcesRestrictionForProfileOwnerLocked(userHandle, admin, 6820 true /* newOwner */); 6821 } 6822 } finally { 6823 mInjector.binderRestoreCallingIdentity(id); 6824 } 6825 mDeviceAdminServiceController.startServiceForOwner( 6826 who.getPackageName(), userHandle, "set-profile-owner"); 6827 return true; 6828 } 6829 } 6830 6831 @Override 6832 public void clearProfileOwner(ComponentName who) { 6833 if (!mHasFeature) { 6834 return; 6835 } 6836 Preconditions.checkNotNull(who, "ComponentName is null"); 6837 6838 final int userId = mInjector.userHandleGetCallingUserId(); 6839 enforceNotManagedProfile(userId, "clear profile owner"); 6840 enforceUserUnlocked(userId); 6841 synchronized (this) { 6842 // Check if this is the profile owner who is calling 6843 final ActiveAdmin admin = 6844 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6845 6846 final long ident = mInjector.binderClearCallingIdentity(); 6847 try { 6848 clearProfileOwnerLocked(admin, userId); 6849 removeActiveAdminLocked(who, userId); 6850 } finally { 6851 mInjector.binderRestoreCallingIdentity(ident); 6852 } 6853 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6854 } 6855 } 6856 6857 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6858 mDeviceAdminServiceController.stopServiceForOwner(userId, "clear-profile-owner"); 6859 6860 if (admin != null) { 6861 admin.disableCamera = false; 6862 admin.userRestrictions = null; 6863 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6864 } 6865 final DevicePolicyData policyData = getUserData(userId); 6866 policyData.mCurrentInputMethodSet = false; 6867 policyData.mOwnerInstalledCaCerts.clear(); 6868 saveSettingsLocked(userId); 6869 clearUserPoliciesLocked(userId); 6870 mOwners.removeProfileOwner(userId); 6871 mOwners.writeProfileOwner(userId); 6872 } 6873 6874 @Override 6875 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6876 Preconditions.checkNotNull(who, "ComponentName is null"); 6877 if (!mHasFeature) { 6878 return; 6879 } 6880 6881 synchronized (this) { 6882 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6883 long token = mInjector.binderClearCallingIdentity(); 6884 try { 6885 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6886 } finally { 6887 mInjector.binderRestoreCallingIdentity(token); 6888 } 6889 } 6890 } 6891 6892 @Override 6893 public CharSequence getDeviceOwnerLockScreenInfo() { 6894 return mLockPatternUtils.getDeviceOwnerInfo(); 6895 } 6896 6897 private void clearUserPoliciesLocked(int userId) { 6898 // Reset some of the user-specific policies. 6899 final DevicePolicyData policy = getUserData(userId); 6900 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6901 // Clear delegations. 6902 policy.mDelegationMap.clear(); 6903 policy.mStatusBarDisabled = false; 6904 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6905 policy.mAffiliationIds.clear(); 6906 policy.mLockTaskPackages.clear(); 6907 saveSettingsLocked(userId); 6908 6909 try { 6910 mIPackageManager.updatePermissionFlagsForAllApps( 6911 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6912 0 /* flagValues */, userId); 6913 pushUserRestrictions(userId); 6914 } catch (RemoteException re) { 6915 // Shouldn't happen. 6916 } 6917 } 6918 6919 @Override 6920 public boolean hasUserSetupCompleted() { 6921 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6922 } 6923 6924 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6925 // completing Setup Wizard, and pairing involves transferring user data, calling 6926 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6927 private boolean hasUserSetupCompleted(int userHandle) { 6928 if (!mHasFeature) { 6929 return true; 6930 } 6931 return getUserData(userHandle).mUserSetupComplete; 6932 } 6933 6934 private boolean hasPaired(int userHandle) { 6935 if (!mHasFeature) { 6936 return true; 6937 } 6938 return getUserData(userHandle).mPaired; 6939 } 6940 6941 @Override 6942 public int getUserProvisioningState() { 6943 if (!mHasFeature) { 6944 return DevicePolicyManager.STATE_USER_UNMANAGED; 6945 } 6946 int userHandle = mInjector.userHandleGetCallingUserId(); 6947 return getUserProvisioningState(userHandle); 6948 } 6949 6950 private int getUserProvisioningState(int userHandle) { 6951 return getUserData(userHandle).mUserProvisioningState; 6952 } 6953 6954 @Override 6955 public void setUserProvisioningState(int newState, int userHandle) { 6956 if (!mHasFeature) { 6957 return; 6958 } 6959 6960 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6961 && getManagedUserId(userHandle) == -1) { 6962 // No managed device, user or profile, so setting provisioning state makes no sense. 6963 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6964 + "device or profile owner is set."); 6965 } 6966 6967 synchronized (this) { 6968 boolean transitionCheckNeeded = true; 6969 6970 // Calling identity/permission checks. 6971 if (isAdb()) { 6972 // ADB shell can only move directly from un-managed to finalized as part of directly 6973 // setting profile-owner or device-owner. 6974 if (getUserProvisioningState(userHandle) != 6975 DevicePolicyManager.STATE_USER_UNMANAGED 6976 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6977 throw new IllegalStateException("Not allowed to change provisioning state " 6978 + "unless current provisioning state is unmanaged, and new state is " 6979 + "finalized."); 6980 } 6981 transitionCheckNeeded = false; 6982 } else { 6983 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6984 enforceCanManageProfileAndDeviceOwners(); 6985 } 6986 6987 final DevicePolicyData policyData = getUserData(userHandle); 6988 if (transitionCheckNeeded) { 6989 // Optional state transition check for non-ADB case. 6990 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6991 } 6992 policyData.mUserProvisioningState = newState; 6993 saveSettingsLocked(userHandle); 6994 } 6995 } 6996 6997 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6998 // Valid transitions for normal use-cases. 6999 switch (currentState) { 7000 case DevicePolicyManager.STATE_USER_UNMANAGED: 7001 // Can move to any state from unmanaged (except itself as an edge case).. 7002 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 7003 return; 7004 } 7005 break; 7006 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 7007 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 7008 // Can only move to finalized from these states. 7009 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 7010 return; 7011 } 7012 break; 7013 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 7014 // Current user has a managed-profile, but current user is not managed, so 7015 // rather than moving to finalized state, go back to unmanaged once 7016 // profile provisioning is complete. 7017 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 7018 return; 7019 } 7020 break; 7021 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 7022 // Cannot transition out of finalized. 7023 break; 7024 } 7025 7026 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 7027 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 7028 + "from state [" + currentState + "]"); 7029 } 7030 7031 @Override 7032 public void setProfileEnabled(ComponentName who) { 7033 if (!mHasFeature) { 7034 return; 7035 } 7036 Preconditions.checkNotNull(who, "ComponentName is null"); 7037 synchronized (this) { 7038 // Check if this is the profile owner who is calling 7039 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7040 final int userId = UserHandle.getCallingUserId(); 7041 enforceManagedProfile(userId, "enable the profile"); 7042 // Check if the profile is already enabled. 7043 UserInfo managedProfile = getUserInfo(userId); 7044 if (managedProfile.isEnabled()) { 7045 Slog.e(LOG_TAG, 7046 "setProfileEnabled is called when the profile is already enabled"); 7047 return; 7048 } 7049 long id = mInjector.binderClearCallingIdentity(); 7050 try { 7051 mUserManager.setUserEnabled(userId); 7052 UserInfo parent = mUserManager.getProfileParent(userId); 7053 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 7054 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 7055 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 7056 Intent.FLAG_RECEIVER_FOREGROUND); 7057 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 7058 } finally { 7059 mInjector.binderRestoreCallingIdentity(id); 7060 } 7061 } 7062 } 7063 7064 @Override 7065 public void setProfileName(ComponentName who, String profileName) { 7066 Preconditions.checkNotNull(who, "ComponentName is null"); 7067 int userId = UserHandle.getCallingUserId(); 7068 // Check if this is the profile owner (includes device owner). 7069 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7070 7071 long id = mInjector.binderClearCallingIdentity(); 7072 try { 7073 mUserManager.setUserName(userId, profileName); 7074 } finally { 7075 mInjector.binderRestoreCallingIdentity(id); 7076 } 7077 } 7078 7079 @Override 7080 public ComponentName getProfileOwner(int userHandle) { 7081 if (!mHasFeature) { 7082 return null; 7083 } 7084 7085 synchronized (this) { 7086 return mOwners.getProfileOwnerComponent(userHandle); 7087 } 7088 } 7089 7090 // Returns the active profile owner for this user or null if the current user has no 7091 // profile owner. 7092 @VisibleForTesting 7093 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 7094 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 7095 if (profileOwner == null) { 7096 return null; 7097 } 7098 DevicePolicyData policy = getUserData(userHandle); 7099 final int n = policy.mAdminList.size(); 7100 for (int i = 0; i < n; i++) { 7101 ActiveAdmin admin = policy.mAdminList.get(i); 7102 if (profileOwner.equals(admin.info.getComponent())) { 7103 return admin; 7104 } 7105 } 7106 return null; 7107 } 7108 7109 @Override 7110 public String getProfileOwnerName(int userHandle) { 7111 if (!mHasFeature) { 7112 return null; 7113 } 7114 enforceManageUsers(); 7115 ComponentName profileOwner = getProfileOwner(userHandle); 7116 if (profileOwner == null) { 7117 return null; 7118 } 7119 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 7120 } 7121 7122 /** 7123 * Canonical name for a given package. 7124 */ 7125 private String getApplicationLabel(String packageName, int userHandle) { 7126 long token = mInjector.binderClearCallingIdentity(); 7127 try { 7128 final Context userContext; 7129 try { 7130 UserHandle handle = new UserHandle(userHandle); 7131 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 7132 } catch (PackageManager.NameNotFoundException nnfe) { 7133 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 7134 return null; 7135 } 7136 ApplicationInfo appInfo = userContext.getApplicationInfo(); 7137 CharSequence result = null; 7138 if (appInfo != null) { 7139 PackageManager pm = userContext.getPackageManager(); 7140 result = pm.getApplicationLabel(appInfo); 7141 } 7142 return result != null ? result.toString() : null; 7143 } finally { 7144 mInjector.binderRestoreCallingIdentity(token); 7145 } 7146 } 7147 7148 /** 7149 * Calls wtfStack() if called with the DPMS lock held. 7150 */ 7151 private void wtfIfInLock() { 7152 if (Thread.holdsLock(this)) { 7153 Slog.wtfStack(LOG_TAG, "Shouldn't be called with DPMS lock held"); 7154 } 7155 } 7156 7157 /** 7158 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 7159 * permission. 7160 * The profile owner can only be set before the user setup phase has completed, 7161 * except for: 7162 * - SYSTEM_UID 7163 * - adb unless hasIncompatibleAccountsOrNonAdb is true. 7164 */ 7165 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle, 7166 boolean hasIncompatibleAccountsOrNonAdb) { 7167 UserInfo info = getUserInfo(userHandle); 7168 if (info == null) { 7169 // User doesn't exist. 7170 throw new IllegalArgumentException( 7171 "Attempted to set profile owner for invalid userId: " + userHandle); 7172 } 7173 if (info.isGuest()) { 7174 throw new IllegalStateException("Cannot set a profile owner on a guest"); 7175 } 7176 if (mOwners.hasProfileOwner(userHandle)) { 7177 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 7178 + "is already set."); 7179 } 7180 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 7181 throw new IllegalStateException("Trying to set the profile owner, but the user " 7182 + "already has a device owner."); 7183 } 7184 if (isAdb()) { 7185 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 7186 && hasIncompatibleAccountsOrNonAdb) { 7187 throw new IllegalStateException("Not allowed to set the profile owner because " 7188 + "there are already some accounts on the profile"); 7189 } 7190 return; 7191 } 7192 enforceCanManageProfileAndDeviceOwners(); 7193 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 7194 throw new IllegalStateException("Cannot set the profile owner on a user which is " 7195 + "already set-up"); 7196 } 7197 } 7198 7199 /** 7200 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 7201 * permission. 7202 */ 7203 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId, 7204 boolean hasIncompatibleAccountsOrNonAdb) { 7205 if (!isAdb()) { 7206 enforceCanManageProfileAndDeviceOwners(); 7207 } 7208 7209 final int code = checkDeviceOwnerProvisioningPreConditionLocked( 7210 owner, userId, isAdb(), hasIncompatibleAccountsOrNonAdb); 7211 switch (code) { 7212 case CODE_OK: 7213 return; 7214 case CODE_HAS_DEVICE_OWNER: 7215 throw new IllegalStateException( 7216 "Trying to set the device owner, but device owner is already set."); 7217 case CODE_USER_HAS_PROFILE_OWNER: 7218 throw new IllegalStateException("Trying to set the device owner, but the user " 7219 + "already has a profile owner."); 7220 case CODE_USER_NOT_RUNNING: 7221 throw new IllegalStateException("User not running: " + userId); 7222 case CODE_NOT_SYSTEM_USER: 7223 throw new IllegalStateException("User is not system user"); 7224 case CODE_USER_SETUP_COMPLETED: 7225 throw new IllegalStateException( 7226 "Cannot set the device owner if the device is already set-up"); 7227 case CODE_NONSYSTEM_USER_EXISTS: 7228 throw new IllegalStateException("Not allowed to set the device owner because there " 7229 + "are already several users on the device"); 7230 case CODE_ACCOUNTS_NOT_EMPTY: 7231 throw new IllegalStateException("Not allowed to set the device owner because there " 7232 + "are already some accounts on the device"); 7233 case CODE_HAS_PAIRED: 7234 throw new IllegalStateException("Not allowed to set the device owner because this " 7235 + "device has already paired"); 7236 default: 7237 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 7238 } 7239 } 7240 7241 private void enforceUserUnlocked(int userId) { 7242 // Since we're doing this operation on behalf of an app, we only 7243 // want to use the actual "unlocked" state. 7244 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 7245 "User must be running and unlocked"); 7246 } 7247 7248 private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { 7249 if (parent) { 7250 enforceUserUnlocked(getProfileParentId(userId)); 7251 } else { 7252 enforceUserUnlocked(userId); 7253 } 7254 } 7255 7256 private void enforceManageUsers() { 7257 final int callingUid = mInjector.binderGetCallingUid(); 7258 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7259 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7260 } 7261 } 7262 7263 private void enforceFullCrossUsersPermission(int userHandle) { 7264 enforceSystemUserOrPermissionIfCrossUser(userHandle, 7265 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 7266 } 7267 7268 private void enforceCrossUsersPermission(int userHandle) { 7269 enforceSystemUserOrPermissionIfCrossUser(userHandle, 7270 android.Manifest.permission.INTERACT_ACROSS_USERS); 7271 } 7272 7273 private void enforceSystemUserOrPermission(String permission) { 7274 if (!(isCallerWithSystemUid() || mInjector.binderGetCallingUid() == Process.ROOT_UID)) { 7275 mContext.enforceCallingOrSelfPermission(permission, 7276 "Must be system or have " + permission + " permission"); 7277 } 7278 } 7279 7280 private void enforceSystemUserOrPermissionIfCrossUser(int userHandle, String permission) { 7281 if (userHandle < 0) { 7282 throw new IllegalArgumentException("Invalid userId " + userHandle); 7283 } 7284 if (userHandle == mInjector.userHandleGetCallingUserId()) { 7285 return; 7286 } 7287 enforceSystemUserOrPermission(permission); 7288 } 7289 7290 private void enforceManagedProfile(int userHandle, String message) { 7291 if(!isManagedProfile(userHandle)) { 7292 throw new SecurityException("You can not " + message + " outside a managed profile."); 7293 } 7294 } 7295 7296 private void enforceNotManagedProfile(int userHandle, String message) { 7297 if(isManagedProfile(userHandle)) { 7298 throw new SecurityException("You can not " + message + " for a managed profile."); 7299 } 7300 } 7301 7302 private void enforceDeviceOwnerOrManageUsers() { 7303 synchronized (this) { 7304 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 7305 mInjector.binderGetCallingUid()) != null) { 7306 return; 7307 } 7308 } 7309 enforceManageUsers(); 7310 } 7311 7312 private void enforceProfileOwnerOrSystemUser() { 7313 synchronized (this) { 7314 if (getActiveAdminWithPolicyForUidLocked(null, 7315 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 7316 != null) { 7317 return; 7318 } 7319 } 7320 Preconditions.checkState(isCallerWithSystemUid(), 7321 "Only profile owner, device owner and system may call this method."); 7322 } 7323 7324 private void enforceProfileOwnerOrFullCrossUsersPermission(int userId) { 7325 if (userId == mInjector.userHandleGetCallingUserId()) { 7326 synchronized (this) { 7327 if (getActiveAdminWithPolicyForUidLocked(null, 7328 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 7329 != null) { 7330 // Device Owner/Profile Owner may access the user it runs on. 7331 return; 7332 } 7333 } 7334 } 7335 // Otherwise, INTERACT_ACROSS_USERS_FULL permission, system UID or root UID is required. 7336 enforceSystemUserOrPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 7337 } 7338 7339 private void ensureCallerPackage(@Nullable String packageName) { 7340 if (packageName == null) { 7341 Preconditions.checkState(isCallerWithSystemUid(), 7342 "Only caller can omit package name"); 7343 } else { 7344 final int callingUid = mInjector.binderGetCallingUid(); 7345 final int userId = mInjector.userHandleGetCallingUserId(); 7346 try { 7347 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 7348 packageName, 0, userId); 7349 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 7350 } catch (RemoteException e) { 7351 // Shouldn't happen 7352 } 7353 } 7354 } 7355 7356 private boolean isCallerWithSystemUid() { 7357 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 7358 } 7359 7360 protected int getProfileParentId(int userHandle) { 7361 final long ident = mInjector.binderClearCallingIdentity(); 7362 try { 7363 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 7364 return parentUser != null ? parentUser.id : userHandle; 7365 } finally { 7366 mInjector.binderRestoreCallingIdentity(ident); 7367 } 7368 } 7369 7370 private int getCredentialOwner(int userHandle, boolean parent) { 7371 final long ident = mInjector.binderClearCallingIdentity(); 7372 try { 7373 if (parent) { 7374 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 7375 if (parentProfile != null) { 7376 userHandle = parentProfile.id; 7377 } 7378 } 7379 return mUserManager.getCredentialOwnerProfile(userHandle); 7380 } finally { 7381 mInjector.binderRestoreCallingIdentity(ident); 7382 } 7383 } 7384 7385 private boolean isManagedProfile(int userHandle) { 7386 final UserInfo user = getUserInfo(userHandle); 7387 return user != null && user.isManagedProfile(); 7388 } 7389 7390 private void enableIfNecessary(String packageName, int userId) { 7391 try { 7392 final ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 7393 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS, userId); 7394 if (ai.enabledSetting 7395 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 7396 mIPackageManager.setApplicationEnabledSetting(packageName, 7397 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 7398 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 7399 } 7400 } catch (RemoteException e) { 7401 } 7402 } 7403 7404 @Override 7405 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 7406 if (!DumpUtils.checkDumpPermission(mContext, LOG_TAG, pw)) return; 7407 7408 synchronized (this) { 7409 pw.println("Current Device Policy Manager state:"); 7410 7411 mOwners.dump(" ", pw); 7412 mDeviceAdminServiceController.dump(" ", pw); 7413 int userCount = mUserData.size(); 7414 for (int u = 0; u < userCount; u++) { 7415 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 7416 pw.println(); 7417 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 7418 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 7419 final int N = policy.mAdminList.size(); 7420 for (int i=0; i<N; i++) { 7421 ActiveAdmin ap = policy.mAdminList.get(i); 7422 if (ap != null) { 7423 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 7424 pw.println(":"); 7425 ap.dump(" ", pw); 7426 } 7427 } 7428 if (!policy.mRemovingAdmins.isEmpty()) { 7429 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 7430 + policy.mRemovingAdmins); 7431 } 7432 7433 pw.println(" "); 7434 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 7435 } 7436 pw.println(); 7437 mConstants.dump(" ", pw); 7438 pw.println(); 7439 pw.println(" Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 7440 } 7441 } 7442 7443 private String getEncryptionStatusName(int encryptionStatus) { 7444 switch (encryptionStatus) { 7445 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 7446 return "inactive"; 7447 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 7448 return "block default key"; 7449 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 7450 return "block"; 7451 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 7452 return "per-user"; 7453 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 7454 return "unsupported"; 7455 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 7456 return "activating"; 7457 default: 7458 return "unknown"; 7459 } 7460 } 7461 7462 @Override 7463 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 7464 ComponentName activity) { 7465 Preconditions.checkNotNull(who, "ComponentName is null"); 7466 final int userHandle = UserHandle.getCallingUserId(); 7467 synchronized (this) { 7468 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7469 7470 long id = mInjector.binderClearCallingIdentity(); 7471 try { 7472 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 7473 mIPackageManager.flushPackageRestrictionsAsUser(userHandle); 7474 } catch (RemoteException re) { 7475 // Shouldn't happen 7476 } finally { 7477 mInjector.binderRestoreCallingIdentity(id); 7478 } 7479 } 7480 } 7481 7482 @Override 7483 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 7484 Preconditions.checkNotNull(who, "ComponentName is null"); 7485 final int userHandle = UserHandle.getCallingUserId(); 7486 synchronized (this) { 7487 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7488 7489 long id = mInjector.binderClearCallingIdentity(); 7490 try { 7491 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 7492 mIPackageManager.flushPackageRestrictionsAsUser(userHandle); 7493 } catch (RemoteException re) { 7494 // Shouldn't happen 7495 } finally { 7496 mInjector.binderRestoreCallingIdentity(id); 7497 } 7498 } 7499 } 7500 7501 @Override 7502 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 7503 String packageName) { 7504 try { 7505 setDelegatedScopePreO(admin, packageName, DELEGATION_APP_RESTRICTIONS); 7506 } catch (IllegalArgumentException e) { 7507 return false; 7508 } 7509 return true; 7510 } 7511 7512 @Override 7513 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 7514 final List<String> delegatePackages = getDelegatePackages(admin, 7515 DELEGATION_APP_RESTRICTIONS); 7516 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 7517 } 7518 7519 @Override 7520 public boolean isCallerApplicationRestrictionsManagingPackage(String callerPackage) { 7521 return isCallerDelegate(callerPackage, DELEGATION_APP_RESTRICTIONS); 7522 } 7523 7524 @Override 7525 public void setApplicationRestrictions(ComponentName who, String callerPackage, 7526 String packageName, Bundle settings) { 7527 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 7528 DELEGATION_APP_RESTRICTIONS); 7529 7530 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7531 final long id = mInjector.binderClearCallingIdentity(); 7532 try { 7533 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 7534 } finally { 7535 mInjector.binderRestoreCallingIdentity(id); 7536 } 7537 } 7538 7539 @Override 7540 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 7541 PersistableBundle args, boolean parent) { 7542 if (!mHasFeature) { 7543 return; 7544 } 7545 Preconditions.checkNotNull(admin, "admin is null"); 7546 Preconditions.checkNotNull(agent, "agent is null"); 7547 final int userHandle = UserHandle.getCallingUserId(); 7548 synchronized (this) { 7549 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 7550 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 7551 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 7552 saveSettingsLocked(userHandle); 7553 } 7554 } 7555 7556 @Override 7557 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 7558 ComponentName agent, int userHandle, boolean parent) { 7559 if (!mHasFeature) { 7560 return null; 7561 } 7562 Preconditions.checkNotNull(agent, "agent null"); 7563 enforceFullCrossUsersPermission(userHandle); 7564 7565 synchronized (this) { 7566 final String componentName = agent.flattenToString(); 7567 if (admin != null) { 7568 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 7569 if (ap == null) return null; 7570 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 7571 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 7572 List<PersistableBundle> result = new ArrayList<>(); 7573 result.add(trustAgentInfo.options); 7574 return result; 7575 } 7576 7577 // Return strictest policy for this user and profiles that are visible from this user. 7578 List<PersistableBundle> result = null; 7579 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 7580 // of the options. If any admin doesn't have options, discard options for the rest 7581 // and return null. 7582 List<ActiveAdmin> admins = 7583 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 7584 boolean allAdminsHaveOptions = true; 7585 final int N = admins.size(); 7586 for (int i = 0; i < N; i++) { 7587 final ActiveAdmin active = admins.get(i); 7588 7589 final boolean disablesTrust = (active.disabledKeyguardFeatures 7590 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 7591 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 7592 if (info != null && info.options != null && !info.options.isEmpty()) { 7593 if (disablesTrust) { 7594 if (result == null) { 7595 result = new ArrayList<>(); 7596 } 7597 result.add(info.options); 7598 } else { 7599 Log.w(LOG_TAG, "Ignoring admin " + active.info 7600 + " because it has trust options but doesn't declare " 7601 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 7602 } 7603 } else if (disablesTrust) { 7604 allAdminsHaveOptions = false; 7605 break; 7606 } 7607 } 7608 return allAdminsHaveOptions ? result : null; 7609 } 7610 } 7611 7612 @Override 7613 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 7614 Preconditions.checkNotNull(who, "ComponentName is null"); 7615 synchronized (this) { 7616 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7617 7618 int userHandle = UserHandle.getCallingUserId(); 7619 DevicePolicyData userData = getUserData(userHandle); 7620 userData.mRestrictionsProvider = permissionProvider; 7621 saveSettingsLocked(userHandle); 7622 } 7623 } 7624 7625 @Override 7626 public ComponentName getRestrictionsProvider(int userHandle) { 7627 synchronized (this) { 7628 if (!isCallerWithSystemUid()) { 7629 throw new SecurityException("Only the system can query the permission provider"); 7630 } 7631 DevicePolicyData userData = getUserData(userHandle); 7632 return userData != null ? userData.mRestrictionsProvider : null; 7633 } 7634 } 7635 7636 @Override 7637 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 7638 Preconditions.checkNotNull(who, "ComponentName is null"); 7639 int callingUserId = UserHandle.getCallingUserId(); 7640 synchronized (this) { 7641 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7642 7643 long id = mInjector.binderClearCallingIdentity(); 7644 try { 7645 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7646 if (parent == null) { 7647 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 7648 + "parent"); 7649 return; 7650 } 7651 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 7652 mIPackageManager.addCrossProfileIntentFilter( 7653 filter, who.getPackageName(), callingUserId, parent.id, 0); 7654 } 7655 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 7656 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 7657 parent.id, callingUserId, 0); 7658 } 7659 } catch (RemoteException re) { 7660 // Shouldn't happen 7661 } finally { 7662 mInjector.binderRestoreCallingIdentity(id); 7663 } 7664 } 7665 } 7666 7667 @Override 7668 public void clearCrossProfileIntentFilters(ComponentName who) { 7669 Preconditions.checkNotNull(who, "ComponentName is null"); 7670 int callingUserId = UserHandle.getCallingUserId(); 7671 synchronized (this) { 7672 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7673 long id = mInjector.binderClearCallingIdentity(); 7674 try { 7675 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7676 if (parent == null) { 7677 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7678 + "parent"); 7679 return; 7680 } 7681 // Removing those that go from the managed profile to the parent. 7682 mIPackageManager.clearCrossProfileIntentFilters( 7683 callingUserId, who.getPackageName()); 7684 // And those that go from the parent to the managed profile. 7685 // If we want to support multiple managed profiles, we will have to only remove 7686 // those that have callingUserId as their target. 7687 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7688 } catch (RemoteException re) { 7689 // Shouldn't happen 7690 } finally { 7691 mInjector.binderRestoreCallingIdentity(id); 7692 } 7693 } 7694 } 7695 7696 /** 7697 * @return true if all packages in enabledPackages are either in the list 7698 * permittedList or are a system app. 7699 */ 7700 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7701 List<String> permittedList, int userIdToCheck) { 7702 long id = mInjector.binderClearCallingIdentity(); 7703 try { 7704 // If we have an enabled packages list for a managed profile the packages 7705 // we should check are installed for the parent user. 7706 UserInfo user = getUserInfo(userIdToCheck); 7707 if (user.isManagedProfile()) { 7708 userIdToCheck = user.profileGroupId; 7709 } 7710 7711 for (String enabledPackage : enabledPackages) { 7712 boolean systemService = false; 7713 try { 7714 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7715 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7716 userIdToCheck); 7717 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7718 } catch (RemoteException e) { 7719 Log.i(LOG_TAG, "Can't talk to package managed", e); 7720 } 7721 if (!systemService && !permittedList.contains(enabledPackage)) { 7722 return false; 7723 } 7724 } 7725 } finally { 7726 mInjector.binderRestoreCallingIdentity(id); 7727 } 7728 return true; 7729 } 7730 7731 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7732 // Not using AccessibilityManager.getInstance because that guesses 7733 // at the user you require based on callingUid and caches for a given 7734 // process. 7735 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7736 IAccessibilityManager service = iBinder == null 7737 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7738 return new AccessibilityManager(mContext, service, userId); 7739 } 7740 7741 @Override 7742 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7743 if (!mHasFeature) { 7744 return false; 7745 } 7746 Preconditions.checkNotNull(who, "ComponentName is null"); 7747 7748 if (packageList != null) { 7749 int userId = UserHandle.getCallingUserId(); 7750 List<AccessibilityServiceInfo> enabledServices = null; 7751 long id = mInjector.binderClearCallingIdentity(); 7752 try { 7753 UserInfo user = getUserInfo(userId); 7754 if (user.isManagedProfile()) { 7755 userId = user.profileGroupId; 7756 } 7757 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7758 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7759 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7760 } finally { 7761 mInjector.binderRestoreCallingIdentity(id); 7762 } 7763 7764 if (enabledServices != null) { 7765 List<String> enabledPackages = new ArrayList<String>(); 7766 for (AccessibilityServiceInfo service : enabledServices) { 7767 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7768 } 7769 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7770 userId)) { 7771 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7772 + "because it contains already enabled accesibility services."); 7773 return false; 7774 } 7775 } 7776 } 7777 7778 synchronized (this) { 7779 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7780 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7781 admin.permittedAccessiblityServices = packageList; 7782 saveSettingsLocked(UserHandle.getCallingUserId()); 7783 } 7784 return true; 7785 } 7786 7787 @Override 7788 public List getPermittedAccessibilityServices(ComponentName who) { 7789 if (!mHasFeature) { 7790 return null; 7791 } 7792 Preconditions.checkNotNull(who, "ComponentName is null"); 7793 7794 synchronized (this) { 7795 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7796 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7797 return admin.permittedAccessiblityServices; 7798 } 7799 } 7800 7801 @Override 7802 public List getPermittedAccessibilityServicesForUser(int userId) { 7803 if (!mHasFeature) { 7804 return null; 7805 } 7806 synchronized (this) { 7807 List<String> result = null; 7808 // If we have multiple profiles we return the intersection of the 7809 // permitted lists. This can happen in cases where we have a device 7810 // and profile owner. 7811 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7812 for (int profileId : profileIds) { 7813 // Just loop though all admins, only device or profiles 7814 // owners can have permitted lists set. 7815 DevicePolicyData policy = getUserDataUnchecked(profileId); 7816 final int N = policy.mAdminList.size(); 7817 for (int j = 0; j < N; j++) { 7818 ActiveAdmin admin = policy.mAdminList.get(j); 7819 List<String> fromAdmin = admin.permittedAccessiblityServices; 7820 if (fromAdmin != null) { 7821 if (result == null) { 7822 result = new ArrayList<>(fromAdmin); 7823 } else { 7824 result.retainAll(fromAdmin); 7825 } 7826 } 7827 } 7828 } 7829 7830 // If we have a permitted list add all system accessibility services. 7831 if (result != null) { 7832 long id = mInjector.binderClearCallingIdentity(); 7833 try { 7834 UserInfo user = getUserInfo(userId); 7835 if (user.isManagedProfile()) { 7836 userId = user.profileGroupId; 7837 } 7838 AccessibilityManager accessibilityManager = 7839 getAccessibilityManagerForUser(userId); 7840 List<AccessibilityServiceInfo> installedServices = 7841 accessibilityManager.getInstalledAccessibilityServiceList(); 7842 7843 if (installedServices != null) { 7844 for (AccessibilityServiceInfo service : installedServices) { 7845 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7846 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7847 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7848 result.add(serviceInfo.packageName); 7849 } 7850 } 7851 } 7852 } finally { 7853 mInjector.binderRestoreCallingIdentity(id); 7854 } 7855 } 7856 7857 return result; 7858 } 7859 } 7860 7861 @Override 7862 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7863 int userHandle) { 7864 if (!mHasFeature) { 7865 return true; 7866 } 7867 Preconditions.checkNotNull(who, "ComponentName is null"); 7868 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7869 if (!isCallerWithSystemUid()){ 7870 throw new SecurityException( 7871 "Only the system can query if an accessibility service is disabled by admin"); 7872 } 7873 synchronized (this) { 7874 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7875 if (admin == null) { 7876 return false; 7877 } 7878 if (admin.permittedAccessiblityServices == null) { 7879 return true; 7880 } 7881 return checkPackagesInPermittedListOrSystem(Collections.singletonList(packageName), 7882 admin.permittedAccessiblityServices, userHandle); 7883 } 7884 } 7885 7886 private boolean checkCallerIsCurrentUserOrProfile() { 7887 final int callingUserId = UserHandle.getCallingUserId(); 7888 final long token = mInjector.binderClearCallingIdentity(); 7889 try { 7890 UserInfo currentUser; 7891 UserInfo callingUser = getUserInfo(callingUserId); 7892 try { 7893 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7894 } catch (RemoteException e) { 7895 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7896 return false; 7897 } 7898 7899 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7900 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7901 + "of a user that isn't the foreground user."); 7902 return false; 7903 } 7904 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7905 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7906 + "of a user that isn't the foreground user."); 7907 return false; 7908 } 7909 } finally { 7910 mInjector.binderRestoreCallingIdentity(token); 7911 } 7912 return true; 7913 } 7914 7915 @Override 7916 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7917 if (!mHasFeature) { 7918 return false; 7919 } 7920 Preconditions.checkNotNull(who, "ComponentName is null"); 7921 7922 // TODO When InputMethodManager supports per user calls remove 7923 // this restriction. 7924 if (!checkCallerIsCurrentUserOrProfile()) { 7925 return false; 7926 } 7927 7928 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7929 if (packageList != null) { 7930 // InputMethodManager fetches input methods for current user. 7931 // So this can only be set when calling user is the current user 7932 // or parent is current user in case of managed profiles. 7933 InputMethodManager inputMethodManager = 7934 mContext.getSystemService(InputMethodManager.class); 7935 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7936 7937 if (enabledImes != null) { 7938 List<String> enabledPackages = new ArrayList<String>(); 7939 for (InputMethodInfo ime : enabledImes) { 7940 enabledPackages.add(ime.getPackageName()); 7941 } 7942 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7943 callingUserId)) { 7944 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7945 + "because it contains already enabled input method."); 7946 return false; 7947 } 7948 } 7949 } 7950 7951 synchronized (this) { 7952 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7953 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7954 admin.permittedInputMethods = packageList; 7955 saveSettingsLocked(callingUserId); 7956 } 7957 return true; 7958 } 7959 7960 @Override 7961 public List getPermittedInputMethods(ComponentName who) { 7962 if (!mHasFeature) { 7963 return null; 7964 } 7965 Preconditions.checkNotNull(who, "ComponentName is null"); 7966 7967 synchronized (this) { 7968 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7969 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7970 return admin.permittedInputMethods; 7971 } 7972 } 7973 7974 @Override 7975 public List getPermittedInputMethodsForCurrentUser() { 7976 UserInfo currentUser; 7977 try { 7978 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7979 } catch (RemoteException e) { 7980 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7981 // Activity managed is dead, just allow all IMEs 7982 return null; 7983 } 7984 7985 int userId = currentUser.id; 7986 synchronized (this) { 7987 List<String> result = null; 7988 // If we have multiple profiles we return the intersection of the 7989 // permitted lists. This can happen in cases where we have a device 7990 // and profile owner. 7991 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7992 for (int profileId : profileIds) { 7993 // Just loop though all admins, only device or profiles 7994 // owners can have permitted lists set. 7995 DevicePolicyData policy = getUserDataUnchecked(profileId); 7996 final int N = policy.mAdminList.size(); 7997 for (int j = 0; j < N; j++) { 7998 ActiveAdmin admin = policy.mAdminList.get(j); 7999 List<String> fromAdmin = admin.permittedInputMethods; 8000 if (fromAdmin != null) { 8001 if (result == null) { 8002 result = new ArrayList<String>(fromAdmin); 8003 } else { 8004 result.retainAll(fromAdmin); 8005 } 8006 } 8007 } 8008 } 8009 8010 // If we have a permitted list add all system input methods. 8011 if (result != null) { 8012 InputMethodManager inputMethodManager = 8013 mContext.getSystemService(InputMethodManager.class); 8014 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 8015 long id = mInjector.binderClearCallingIdentity(); 8016 try { 8017 if (imes != null) { 8018 for (InputMethodInfo ime : imes) { 8019 ServiceInfo serviceInfo = ime.getServiceInfo(); 8020 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 8021 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8022 result.add(serviceInfo.packageName); 8023 } 8024 } 8025 } 8026 } finally { 8027 mInjector.binderRestoreCallingIdentity(id); 8028 } 8029 } 8030 return result; 8031 } 8032 } 8033 8034 @Override 8035 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 8036 int userHandle) { 8037 if (!mHasFeature) { 8038 return true; 8039 } 8040 Preconditions.checkNotNull(who, "ComponentName is null"); 8041 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 8042 if (!isCallerWithSystemUid()) { 8043 throw new SecurityException( 8044 "Only the system can query if an input method is disabled by admin"); 8045 } 8046 synchronized (this) { 8047 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8048 if (admin == null) { 8049 return false; 8050 } 8051 if (admin.permittedInputMethods == null) { 8052 return true; 8053 } 8054 return checkPackagesInPermittedListOrSystem(Collections.singletonList(packageName), 8055 admin.permittedInputMethods, userHandle); 8056 } 8057 } 8058 8059 @Override 8060 public boolean setPermittedCrossProfileNotificationListeners( 8061 ComponentName who, List<String> packageList) { 8062 if (!mHasFeature) { 8063 return false; 8064 } 8065 Preconditions.checkNotNull(who, "ComponentName is null"); 8066 8067 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8068 if (!isManagedProfile(callingUserId)) { 8069 return false; 8070 } 8071 8072 synchronized (this) { 8073 ActiveAdmin admin = getActiveAdminForCallerLocked( 8074 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8075 admin.permittedNotificationListeners = packageList; 8076 saveSettingsLocked(callingUserId); 8077 } 8078 return true; 8079 } 8080 8081 @Override 8082 public List<String> getPermittedCrossProfileNotificationListeners(ComponentName who) { 8083 if (!mHasFeature) { 8084 return null; 8085 } 8086 Preconditions.checkNotNull(who, "ComponentName is null"); 8087 8088 synchronized (this) { 8089 ActiveAdmin admin = getActiveAdminForCallerLocked( 8090 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8091 return admin.permittedNotificationListeners; 8092 } 8093 } 8094 8095 @Override 8096 public boolean isNotificationListenerServicePermitted(String packageName, int userId) { 8097 if (!mHasFeature) { 8098 return true; 8099 } 8100 8101 Preconditions.checkStringNotEmpty(packageName, "packageName is null or empty"); 8102 if (!isCallerWithSystemUid()) { 8103 throw new SecurityException( 8104 "Only the system can query if a notification listener service is permitted"); 8105 } 8106 synchronized (this) { 8107 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 8108 if (profileOwner == null || profileOwner.permittedNotificationListeners == null) { 8109 return true; 8110 } 8111 return checkPackagesInPermittedListOrSystem(Collections.singletonList(packageName), 8112 profileOwner.permittedNotificationListeners, userId); 8113 8114 } 8115 } 8116 8117 8118 private void sendAdminEnabledBroadcastLocked(int userHandle) { 8119 DevicePolicyData policyData = getUserData(userHandle); 8120 if (policyData.mAdminBroadcastPending) { 8121 // Send the initialization data to profile owner and delete the data 8122 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 8123 if (admin != null) { 8124 PersistableBundle initBundle = policyData.mInitBundle; 8125 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 8126 initBundle == null ? null : new Bundle(initBundle), null); 8127 } 8128 policyData.mInitBundle = null; 8129 policyData.mAdminBroadcastPending = false; 8130 saveSettingsLocked(userHandle); 8131 } 8132 } 8133 8134 @Override 8135 public UserHandle createAndManageUser(ComponentName admin, String name, 8136 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 8137 Preconditions.checkNotNull(admin, "admin is null"); 8138 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 8139 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 8140 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 8141 + admin + " are not in the same package"); 8142 } 8143 // Only allow the system user to use this method 8144 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 8145 throw new SecurityException("createAndManageUser was called from non-system user"); 8146 } 8147 final boolean ephemeral = (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0; 8148 final boolean demo = (flags & DevicePolicyManager.MAKE_USER_DEMO) != 0 8149 && UserManager.isDeviceInDemoMode(mContext); 8150 if (ephemeral && !mInjector.userManagerIsSplitSystemUser() && !demo) { 8151 throw new IllegalArgumentException( 8152 "Ephemeral users are only supported on systems with a split system user."); 8153 } 8154 // Create user. 8155 UserHandle user = null; 8156 synchronized (this) { 8157 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8158 8159 final long id = mInjector.binderClearCallingIdentity(); 8160 try { 8161 int userInfoFlags = 0; 8162 if (ephemeral) { 8163 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 8164 } 8165 if (demo) { 8166 userInfoFlags |= UserInfo.FLAG_DEMO; 8167 } 8168 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 8169 userInfoFlags); 8170 if (userInfo != null) { 8171 user = userInfo.getUserHandle(); 8172 } 8173 } finally { 8174 mInjector.binderRestoreCallingIdentity(id); 8175 } 8176 } 8177 if (user == null) { 8178 return null; 8179 } 8180 // Set admin. 8181 final long id = mInjector.binderClearCallingIdentity(); 8182 try { 8183 final String adminPkg = admin.getPackageName(); 8184 8185 final int userHandle = user.getIdentifier(); 8186 try { 8187 // Install the profile owner if not present. 8188 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 8189 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle, 8190 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 8191 } 8192 } catch (RemoteException e) { 8193 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 8194 + "removing created user", e); 8195 mUserManager.removeUser(user.getIdentifier()); 8196 return null; 8197 } 8198 8199 setActiveAdmin(profileOwner, true, userHandle); 8200 // User is not started yet, the broadcast by setActiveAdmin will not be received. 8201 // So we store adminExtras for broadcasting when the user starts for first time. 8202 synchronized(this) { 8203 DevicePolicyData policyData = getUserData(userHandle); 8204 policyData.mInitBundle = adminExtras; 8205 policyData.mAdminBroadcastPending = true; 8206 saveSettingsLocked(userHandle); 8207 } 8208 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 8209 setProfileOwner(profileOwner, ownerName, userHandle); 8210 8211 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 8212 Settings.Secure.putIntForUser(mContext.getContentResolver(), 8213 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 8214 } 8215 8216 return user; 8217 } finally { 8218 mInjector.binderRestoreCallingIdentity(id); 8219 } 8220 } 8221 8222 @Override 8223 public boolean removeUser(ComponentName who, UserHandle userHandle) { 8224 Preconditions.checkNotNull(who, "ComponentName is null"); 8225 synchronized (this) { 8226 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8227 } 8228 8229 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8230 final long id = mInjector.binderClearCallingIdentity(); 8231 try { 8232 String restriction = isManagedProfile(userHandle.getIdentifier()) 8233 ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE 8234 : UserManager.DISALLOW_REMOVE_USER; 8235 if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { 8236 Log.w(LOG_TAG, "The device owner cannot remove a user because " 8237 + restriction + " is enabled, and was not set by the device owner"); 8238 return false; 8239 } 8240 return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); 8241 } finally { 8242 mInjector.binderRestoreCallingIdentity(id); 8243 } 8244 } 8245 8246 private boolean isAdminAffectedByRestriction( 8247 ComponentName admin, String userRestriction, int userId) { 8248 switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { 8249 case UserManager.RESTRICTION_NOT_SET: 8250 return false; 8251 case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: 8252 return !isDeviceOwner(admin, userId); 8253 case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: 8254 return !isProfileOwner(admin, userId); 8255 default: 8256 return true; 8257 } 8258 } 8259 8260 @Override 8261 public boolean switchUser(ComponentName who, UserHandle userHandle) { 8262 Preconditions.checkNotNull(who, "ComponentName is null"); 8263 synchronized (this) { 8264 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8265 8266 long id = mInjector.binderClearCallingIdentity(); 8267 try { 8268 int userId = UserHandle.USER_SYSTEM; 8269 if (userHandle != null) { 8270 userId = userHandle.getIdentifier(); 8271 } 8272 return mInjector.getIActivityManager().switchUser(userId); 8273 } catch (RemoteException e) { 8274 Log.e(LOG_TAG, "Couldn't switch user", e); 8275 return false; 8276 } finally { 8277 mInjector.binderRestoreCallingIdentity(id); 8278 } 8279 } 8280 } 8281 8282 @Override 8283 public Bundle getApplicationRestrictions(ComponentName who, String callerPackage, 8284 String packageName) { 8285 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8286 DELEGATION_APP_RESTRICTIONS); 8287 8288 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 8289 final long id = mInjector.binderClearCallingIdentity(); 8290 try { 8291 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 8292 // if no restrictions were saved, mUserManager.getApplicationRestrictions 8293 // returns null, but DPM method should return an empty Bundle as per JavaDoc 8294 return bundle != null ? bundle : Bundle.EMPTY; 8295 } finally { 8296 mInjector.binderRestoreCallingIdentity(id); 8297 } 8298 } 8299 8300 @Override 8301 public String[] setPackagesSuspended(ComponentName who, String callerPackage, 8302 String[] packageNames, boolean suspended) { 8303 int callingUserId = UserHandle.getCallingUserId(); 8304 synchronized (this) { 8305 // Ensure the caller is a DO/PO or a package access delegate. 8306 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8307 DELEGATION_PACKAGE_ACCESS); 8308 8309 long id = mInjector.binderClearCallingIdentity(); 8310 try { 8311 return mIPackageManager.setPackagesSuspendedAsUser( 8312 packageNames, suspended, callingUserId); 8313 } catch (RemoteException re) { 8314 // Shouldn't happen. 8315 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8316 } finally { 8317 mInjector.binderRestoreCallingIdentity(id); 8318 } 8319 return packageNames; 8320 } 8321 } 8322 8323 @Override 8324 public boolean isPackageSuspended(ComponentName who, String callerPackage, String packageName) { 8325 int callingUserId = UserHandle.getCallingUserId(); 8326 synchronized (this) { 8327 // Ensure the caller is a DO/PO or a package access delegate. 8328 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8329 DELEGATION_PACKAGE_ACCESS); 8330 8331 long id = mInjector.binderClearCallingIdentity(); 8332 try { 8333 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 8334 } catch (RemoteException re) { 8335 // Shouldn't happen. 8336 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8337 } finally { 8338 mInjector.binderRestoreCallingIdentity(id); 8339 } 8340 return false; 8341 } 8342 } 8343 8344 @Override 8345 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 8346 Preconditions.checkNotNull(who, "ComponentName is null"); 8347 if (!UserRestrictionsUtils.isValidRestriction(key)) { 8348 return; 8349 } 8350 8351 final int userHandle = mInjector.userHandleGetCallingUserId(); 8352 synchronized (this) { 8353 final ActiveAdmin activeAdmin = 8354 getActiveAdminForCallerLocked(who, 8355 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8356 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 8357 if (isDeviceOwner) { 8358 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 8359 throw new SecurityException("Device owner cannot set user restriction " + key); 8360 } 8361 } else { // profile owner 8362 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 8363 throw new SecurityException("Profile owner cannot set user restriction " + key); 8364 } 8365 } 8366 8367 // Save the restriction to ActiveAdmin. 8368 final Bundle restrictions = activeAdmin.ensureUserRestrictions(); 8369 if (enabledFromThisOwner) { 8370 restrictions.putBoolean(key, true); 8371 } else { 8372 restrictions.remove(key); 8373 } 8374 saveUserRestrictionsLocked(userHandle); 8375 } 8376 } 8377 8378 private void saveUserRestrictionsLocked(int userId) { 8379 saveSettingsLocked(userId); 8380 pushUserRestrictions(userId); 8381 sendChangedNotification(userId); 8382 } 8383 8384 private void pushUserRestrictions(int userId) { 8385 synchronized (this) { 8386 final boolean isDeviceOwner = mOwners.isDeviceOwnerUserId(userId); 8387 final Bundle userRestrictions; 8388 // Whether device owner enforces camera restriction. 8389 boolean disallowCameraGlobally = false; 8390 8391 if (isDeviceOwner) { 8392 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 8393 if (deviceOwner == null) { 8394 return; // Shouldn't happen. 8395 } 8396 userRestrictions = deviceOwner.userRestrictions; 8397 // DO can disable camera globally. 8398 disallowCameraGlobally = deviceOwner.disableCamera; 8399 } else { 8400 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 8401 userRestrictions = profileOwner != null ? profileOwner.userRestrictions : null; 8402 } 8403 8404 // Whether any admin enforces camera restriction. 8405 final int cameraRestrictionScope = 8406 getCameraRestrictionScopeLocked(userId, disallowCameraGlobally); 8407 8408 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, userRestrictions, 8409 isDeviceOwner, cameraRestrictionScope); 8410 } 8411 } 8412 8413 /** 8414 * Get the scope of camera restriction for a given user if any. 8415 */ 8416 private int getCameraRestrictionScopeLocked(int userId, boolean disallowCameraGlobally) { 8417 if (disallowCameraGlobally) { 8418 return UserManagerInternal.CAMERA_DISABLED_GLOBALLY; 8419 } else if (getCameraDisabled( 8420 /* who= */ null, userId, /* mergeDeviceOwnerRestriction= */ false)) { 8421 return UserManagerInternal.CAMERA_DISABLED_LOCALLY; 8422 } 8423 return UserManagerInternal.CAMERA_NOT_DISABLED; 8424 } 8425 8426 @Override 8427 public Bundle getUserRestrictions(ComponentName who) { 8428 if (!mHasFeature) { 8429 return null; 8430 } 8431 Preconditions.checkNotNull(who, "ComponentName is null"); 8432 synchronized (this) { 8433 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 8434 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8435 return activeAdmin.userRestrictions; 8436 } 8437 } 8438 8439 @Override 8440 public boolean setApplicationHidden(ComponentName who, String callerPackage, String packageName, 8441 boolean hidden) { 8442 int callingUserId = UserHandle.getCallingUserId(); 8443 synchronized (this) { 8444 // Ensure the caller is a DO/PO or a package access delegate. 8445 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8446 DELEGATION_PACKAGE_ACCESS); 8447 8448 long id = mInjector.binderClearCallingIdentity(); 8449 try { 8450 return mIPackageManager.setApplicationHiddenSettingAsUser( 8451 packageName, hidden, callingUserId); 8452 } catch (RemoteException re) { 8453 // shouldn't happen 8454 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 8455 } finally { 8456 mInjector.binderRestoreCallingIdentity(id); 8457 } 8458 return false; 8459 } 8460 } 8461 8462 @Override 8463 public boolean isApplicationHidden(ComponentName who, String callerPackage, 8464 String packageName) { 8465 int callingUserId = UserHandle.getCallingUserId(); 8466 synchronized (this) { 8467 // Ensure the caller is a DO/PO or a package access delegate. 8468 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8469 DELEGATION_PACKAGE_ACCESS); 8470 8471 long id = mInjector.binderClearCallingIdentity(); 8472 try { 8473 return mIPackageManager.getApplicationHiddenSettingAsUser( 8474 packageName, callingUserId); 8475 } catch (RemoteException re) { 8476 // shouldn't happen 8477 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 8478 } finally { 8479 mInjector.binderRestoreCallingIdentity(id); 8480 } 8481 return false; 8482 } 8483 } 8484 8485 @Override 8486 public void enableSystemApp(ComponentName who, String callerPackage, String packageName) { 8487 synchronized (this) { 8488 // Ensure the caller is a DO/PO or an enable system app delegate. 8489 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8490 DELEGATION_ENABLE_SYSTEM_APP); 8491 8492 final boolean isDemo = isCurrentUserDemo(); 8493 8494 int userId = UserHandle.getCallingUserId(); 8495 long id = mInjector.binderClearCallingIdentity(); 8496 8497 try { 8498 if (VERBOSE_LOG) { 8499 Slog.v(LOG_TAG, "installing " + packageName + " for " 8500 + userId); 8501 } 8502 8503 int parentUserId = getProfileParentId(userId); 8504 if (!isDemo && !isSystemApp(mIPackageManager, packageName, parentUserId)) { 8505 throw new IllegalArgumentException("Only system apps can be enabled this way."); 8506 } 8507 8508 // Install the app. 8509 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8510 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 8511 if (isDemo) { 8512 // Ensure the app is also ENABLED for demo users. 8513 mIPackageManager.setApplicationEnabledSetting(packageName, 8514 PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 8515 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 8516 } 8517 } catch (RemoteException re) { 8518 // shouldn't happen 8519 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 8520 } finally { 8521 mInjector.binderRestoreCallingIdentity(id); 8522 } 8523 } 8524 } 8525 8526 @Override 8527 public int enableSystemAppWithIntent(ComponentName who, String callerPackage, Intent intent) { 8528 synchronized (this) { 8529 // Ensure the caller is a DO/PO or an enable system app delegate. 8530 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8531 DELEGATION_ENABLE_SYSTEM_APP); 8532 8533 int userId = UserHandle.getCallingUserId(); 8534 long id = mInjector.binderClearCallingIdentity(); 8535 8536 try { 8537 int parentUserId = getProfileParentId(userId); 8538 List<ResolveInfo> activitiesToEnable = mIPackageManager 8539 .queryIntentActivities(intent, 8540 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 8541 PackageManager.MATCH_DIRECT_BOOT_AWARE 8542 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 8543 parentUserId) 8544 .getList(); 8545 8546 if (VERBOSE_LOG) { 8547 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 8548 } 8549 int numberOfAppsInstalled = 0; 8550 if (activitiesToEnable != null) { 8551 for (ResolveInfo info : activitiesToEnable) { 8552 if (info.activityInfo != null) { 8553 String packageName = info.activityInfo.packageName; 8554 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 8555 numberOfAppsInstalled++; 8556 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8557 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 8558 } else { 8559 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 8560 + " system app"); 8561 } 8562 } 8563 } 8564 } 8565 return numberOfAppsInstalled; 8566 } catch (RemoteException e) { 8567 // shouldn't happen 8568 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 8569 return 0; 8570 } finally { 8571 mInjector.binderRestoreCallingIdentity(id); 8572 } 8573 } 8574 } 8575 8576 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 8577 throws RemoteException { 8578 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 8579 userId); 8580 if (appInfo == null) { 8581 throw new IllegalArgumentException("The application " + packageName + 8582 " is not present on this device"); 8583 } 8584 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 8585 } 8586 8587 @Override 8588 public void setAccountManagementDisabled(ComponentName who, String accountType, 8589 boolean disabled) { 8590 if (!mHasFeature) { 8591 return; 8592 } 8593 Preconditions.checkNotNull(who, "ComponentName is null"); 8594 synchronized (this) { 8595 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 8596 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8597 if (disabled) { 8598 ap.accountTypesWithManagementDisabled.add(accountType); 8599 } else { 8600 ap.accountTypesWithManagementDisabled.remove(accountType); 8601 } 8602 saveSettingsLocked(UserHandle.getCallingUserId()); 8603 } 8604 } 8605 8606 @Override 8607 public String[] getAccountTypesWithManagementDisabled() { 8608 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 8609 } 8610 8611 @Override 8612 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 8613 enforceFullCrossUsersPermission(userId); 8614 if (!mHasFeature) { 8615 return null; 8616 } 8617 synchronized (this) { 8618 DevicePolicyData policy = getUserData(userId); 8619 final int N = policy.mAdminList.size(); 8620 ArraySet<String> resultSet = new ArraySet<>(); 8621 for (int i = 0; i < N; i++) { 8622 ActiveAdmin admin = policy.mAdminList.get(i); 8623 resultSet.addAll(admin.accountTypesWithManagementDisabled); 8624 } 8625 return resultSet.toArray(new String[resultSet.size()]); 8626 } 8627 } 8628 8629 @Override 8630 public void setUninstallBlocked(ComponentName who, String callerPackage, String packageName, 8631 boolean uninstallBlocked) { 8632 final int userId = UserHandle.getCallingUserId(); 8633 synchronized (this) { 8634 // Ensure the caller is a DO/PO or a block uninstall delegate 8635 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8636 DELEGATION_BLOCK_UNINSTALL); 8637 8638 long id = mInjector.binderClearCallingIdentity(); 8639 try { 8640 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 8641 } catch (RemoteException re) { 8642 // Shouldn't happen. 8643 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 8644 } finally { 8645 mInjector.binderRestoreCallingIdentity(id); 8646 } 8647 } 8648 } 8649 8650 @Override 8651 public boolean isUninstallBlocked(ComponentName who, String packageName) { 8652 // This function should return true if and only if the package is blocked by 8653 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 8654 // when the package is a system app, or when it is an active device admin. 8655 final int userId = UserHandle.getCallingUserId(); 8656 8657 synchronized (this) { 8658 if (who != null) { 8659 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8660 } 8661 8662 long id = mInjector.binderClearCallingIdentity(); 8663 try { 8664 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 8665 } catch (RemoteException re) { 8666 // Shouldn't happen. 8667 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 8668 } finally { 8669 mInjector.binderRestoreCallingIdentity(id); 8670 } 8671 } 8672 return false; 8673 } 8674 8675 @Override 8676 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 8677 if (!mHasFeature) { 8678 return; 8679 } 8680 Preconditions.checkNotNull(who, "ComponentName is null"); 8681 synchronized (this) { 8682 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8683 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8684 if (admin.disableCallerId != disabled) { 8685 admin.disableCallerId = disabled; 8686 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8687 } 8688 } 8689 } 8690 8691 @Override 8692 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 8693 if (!mHasFeature) { 8694 return false; 8695 } 8696 Preconditions.checkNotNull(who, "ComponentName is null"); 8697 synchronized (this) { 8698 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8699 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8700 return admin.disableCallerId; 8701 } 8702 } 8703 8704 @Override 8705 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 8706 enforceCrossUsersPermission(userId); 8707 synchronized (this) { 8708 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8709 return (admin != null) ? admin.disableCallerId : false; 8710 } 8711 } 8712 8713 @Override 8714 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 8715 if (!mHasFeature) { 8716 return; 8717 } 8718 Preconditions.checkNotNull(who, "ComponentName is null"); 8719 synchronized (this) { 8720 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8721 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8722 if (admin.disableContactsSearch != disabled) { 8723 admin.disableContactsSearch = disabled; 8724 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8725 } 8726 } 8727 } 8728 8729 @Override 8730 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 8731 if (!mHasFeature) { 8732 return false; 8733 } 8734 Preconditions.checkNotNull(who, "ComponentName is null"); 8735 synchronized (this) { 8736 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8737 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8738 return admin.disableContactsSearch; 8739 } 8740 } 8741 8742 @Override 8743 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 8744 enforceCrossUsersPermission(userId); 8745 synchronized (this) { 8746 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8747 return (admin != null) ? admin.disableContactsSearch : false; 8748 } 8749 } 8750 8751 @Override 8752 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 8753 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 8754 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 8755 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 8756 final int callingUserId = UserHandle.getCallingUserId(); 8757 8758 final long ident = mInjector.binderClearCallingIdentity(); 8759 try { 8760 synchronized (this) { 8761 final int managedUserId = getManagedUserId(callingUserId); 8762 if (managedUserId < 0) { 8763 return; 8764 } 8765 if (isCrossProfileQuickContactDisabled(managedUserId)) { 8766 if (VERBOSE_LOG) { 8767 Log.v(LOG_TAG, 8768 "Cross-profile contacts access disabled for user " + managedUserId); 8769 } 8770 return; 8771 } 8772 ContactsInternal.startQuickContactWithErrorToastForUser( 8773 mContext, intent, new UserHandle(managedUserId)); 8774 } 8775 } finally { 8776 mInjector.binderRestoreCallingIdentity(ident); 8777 } 8778 } 8779 8780 /** 8781 * @return true if cross-profile QuickContact is disabled 8782 */ 8783 private boolean isCrossProfileQuickContactDisabled(int userId) { 8784 return getCrossProfileCallerIdDisabledForUser(userId) 8785 && getCrossProfileContactsSearchDisabledForUser(userId); 8786 } 8787 8788 /** 8789 * @return the user ID of the managed user that is linked to the current user, if any. 8790 * Otherwise -1. 8791 */ 8792 public int getManagedUserId(int callingUserId) { 8793 if (VERBOSE_LOG) { 8794 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8795 } 8796 8797 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8798 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8799 continue; // Caller user self, or not a managed profile. Skip. 8800 } 8801 if (VERBOSE_LOG) { 8802 Log.v(LOG_TAG, "Managed user=" + ui.id); 8803 } 8804 return ui.id; 8805 } 8806 if (VERBOSE_LOG) { 8807 Log.v(LOG_TAG, "Managed user not found."); 8808 } 8809 return -1; 8810 } 8811 8812 @Override 8813 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8814 if (!mHasFeature) { 8815 return; 8816 } 8817 Preconditions.checkNotNull(who, "ComponentName is null"); 8818 synchronized (this) { 8819 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8820 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8821 if (admin.disableBluetoothContactSharing != disabled) { 8822 admin.disableBluetoothContactSharing = disabled; 8823 saveSettingsLocked(UserHandle.getCallingUserId()); 8824 } 8825 } 8826 } 8827 8828 @Override 8829 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8830 if (!mHasFeature) { 8831 return false; 8832 } 8833 Preconditions.checkNotNull(who, "ComponentName is null"); 8834 synchronized (this) { 8835 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8836 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8837 return admin.disableBluetoothContactSharing; 8838 } 8839 } 8840 8841 @Override 8842 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8843 // TODO: Should there be a check to make sure this relationship is 8844 // within a profile group? 8845 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8846 synchronized (this) { 8847 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8848 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8849 } 8850 } 8851 8852 @Override 8853 public void setLockTaskPackages(ComponentName who, String[] packages) 8854 throws SecurityException { 8855 Preconditions.checkNotNull(who, "ComponentName is null"); 8856 Preconditions.checkNotNull(packages, "packages is null"); 8857 8858 synchronized (this) { 8859 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8860 final int userHandle = mInjector.userHandleGetCallingUserId(); 8861 if (isUserAffiliatedWithDeviceLocked(userHandle)) { 8862 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8863 } else { 8864 throw new SecurityException("Admin " + who + 8865 " is neither the device owner or affiliated user's profile owner."); 8866 } 8867 } 8868 } 8869 8870 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8871 DevicePolicyData policy = getUserData(userHandle); 8872 policy.mLockTaskPackages = packages; 8873 8874 // Store the settings persistently. 8875 saveSettingsLocked(userHandle); 8876 updateLockTaskPackagesLocked(packages, userHandle); 8877 } 8878 8879 private void maybeClearLockTaskPackagesLocked() { 8880 final long ident = mInjector.binderClearCallingIdentity(); 8881 try { 8882 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 8883 for (int i = 0; i < userInfos.size(); i++) { 8884 int userId = userInfos.get(i).id; 8885 final List<String> lockTaskPackages = getUserData(userId).mLockTaskPackages; 8886 if (!lockTaskPackages.isEmpty() && 8887 !isUserAffiliatedWithDeviceLocked(userId)) { 8888 Slog.d(LOG_TAG, 8889 "User id " + userId + " not affiliated. Clearing lock task packages"); 8890 setLockTaskPackagesLocked(userId, Collections.<String>emptyList()); 8891 } 8892 } 8893 } finally { 8894 mInjector.binderRestoreCallingIdentity(ident); 8895 } 8896 } 8897 8898 @Override 8899 public String[] getLockTaskPackages(ComponentName who) { 8900 Preconditions.checkNotNull(who, "ComponentName is null"); 8901 8902 final int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8903 synchronized (this) { 8904 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8905 if (!isUserAffiliatedWithDeviceLocked(userHandle)) { 8906 throw new SecurityException("Admin " + who + 8907 " is neither the device owner or affiliated user's profile owner."); 8908 } 8909 8910 final List<String> packages = getUserData(userHandle).mLockTaskPackages; 8911 return packages.toArray(new String[packages.size()]); 8912 } 8913 } 8914 8915 @Override 8916 public boolean isLockTaskPermitted(String pkg) { 8917 final int userHandle = mInjector.userHandleGetCallingUserId(); 8918 synchronized (this) { 8919 return getUserData(userHandle).mLockTaskPackages.contains(pkg); 8920 } 8921 } 8922 8923 @Override 8924 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8925 if (!isCallerWithSystemUid()) { 8926 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8927 } 8928 synchronized (this) { 8929 final DevicePolicyData policy = getUserData(userHandle); 8930 Bundle adminExtras = new Bundle(); 8931 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8932 for (ActiveAdmin admin : policy.mAdminList) { 8933 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8934 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8935 if (ownsDevice || ownsProfile) { 8936 if (isEnabled) { 8937 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8938 adminExtras, null); 8939 } else { 8940 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8941 } 8942 } 8943 } 8944 } 8945 } 8946 8947 @Override 8948 public void setGlobalSetting(ComponentName who, String setting, String value) { 8949 Preconditions.checkNotNull(who, "ComponentName is null"); 8950 8951 synchronized (this) { 8952 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8953 8954 // Some settings are no supported any more. However we do not want to throw a 8955 // SecurityException to avoid breaking apps. 8956 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8957 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8958 return; 8959 } 8960 8961 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting) 8962 && !UserManager.isDeviceInDemoMode(mContext)) { 8963 throw new SecurityException(String.format( 8964 "Permission denial: device owners cannot update %1$s", setting)); 8965 } 8966 8967 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8968 // ignore if it contradicts an existing policy 8969 long timeMs = getMaximumTimeToLock( 8970 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8971 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8972 return; 8973 } 8974 } 8975 8976 long id = mInjector.binderClearCallingIdentity(); 8977 try { 8978 mInjector.settingsGlobalPutString(setting, value); 8979 } finally { 8980 mInjector.binderRestoreCallingIdentity(id); 8981 } 8982 } 8983 } 8984 8985 @Override 8986 public void setSecureSetting(ComponentName who, String setting, String value) { 8987 Preconditions.checkNotNull(who, "ComponentName is null"); 8988 int callingUserId = mInjector.userHandleGetCallingUserId(); 8989 8990 synchronized (this) { 8991 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8992 8993 if (isDeviceOwner(who, callingUserId)) { 8994 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting) 8995 && !isCurrentUserDemo()) { 8996 throw new SecurityException(String.format( 8997 "Permission denial: Device owners cannot update %1$s", setting)); 8998 } 8999 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting) && !isCurrentUserDemo()) { 9000 throw new SecurityException(String.format( 9001 "Permission denial: Profile owners cannot update %1$s", setting)); 9002 } 9003 if (setting.equals(Settings.Secure.INSTALL_NON_MARKET_APPS)) { 9004 if (getTargetSdk(who.getPackageName(), callingUserId) >= Build.VERSION_CODES.O) { 9005 throw new UnsupportedOperationException(Settings.Secure.INSTALL_NON_MARKET_APPS 9006 + " is deprecated. Please use the user restriction " 9007 + UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES + " instead."); 9008 } 9009 if (!mUserManager.isManagedProfile(callingUserId)) { 9010 Slog.e(LOG_TAG, "Ignoring setSecureSetting request for " 9011 + setting + ". User restriction " 9012 + UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES 9013 + " should be used instead."); 9014 } else { 9015 try { 9016 setUserRestriction(who, UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, 9017 (Integer.parseInt(value) == 0) ? true : false); 9018 } catch (NumberFormatException exc) { 9019 Slog.e(LOG_TAG, "Invalid value: " + value + " for setting " + setting); 9020 } 9021 } 9022 return; 9023 } 9024 long id = mInjector.binderClearCallingIdentity(); 9025 try { 9026 if (Settings.Secure.DEFAULT_INPUT_METHOD.equals(setting)) { 9027 final String currentValue = mInjector.settingsSecureGetStringForUser( 9028 Settings.Secure.DEFAULT_INPUT_METHOD, callingUserId); 9029 if (!TextUtils.equals(currentValue, value)) { 9030 // Tell the content observer that the next change will be due to the owner 9031 // changing the value. There is a small race condition here that we cannot 9032 // avoid: Change notifications are sent asynchronously, so it is possible 9033 // that there are prior notifications queued up before the one we are about 9034 // to trigger. This is a corner case that will have no impact in practice. 9035 mSetupContentObserver.addPendingChangeByOwnerLocked(callingUserId); 9036 } 9037 getUserData(callingUserId).mCurrentInputMethodSet = true; 9038 saveSettingsLocked(callingUserId); 9039 } 9040 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 9041 } finally { 9042 mInjector.binderRestoreCallingIdentity(id); 9043 } 9044 } 9045 } 9046 9047 @Override 9048 public void setMasterVolumeMuted(ComponentName who, boolean on) { 9049 Preconditions.checkNotNull(who, "ComponentName is null"); 9050 synchronized (this) { 9051 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9052 setUserRestriction(who, UserManager.DISALLOW_UNMUTE_DEVICE, on); 9053 } 9054 } 9055 9056 @Override 9057 public boolean isMasterVolumeMuted(ComponentName who) { 9058 Preconditions.checkNotNull(who, "ComponentName is null"); 9059 synchronized (this) { 9060 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9061 9062 AudioManager audioManager = 9063 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 9064 return audioManager.isMasterMute(); 9065 } 9066 } 9067 9068 @Override 9069 public void setUserIcon(ComponentName who, Bitmap icon) { 9070 synchronized (this) { 9071 Preconditions.checkNotNull(who, "ComponentName is null"); 9072 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9073 9074 int userId = UserHandle.getCallingUserId(); 9075 long id = mInjector.binderClearCallingIdentity(); 9076 try { 9077 mUserManagerInternal.setUserIcon(userId, icon); 9078 } finally { 9079 mInjector.binderRestoreCallingIdentity(id); 9080 } 9081 } 9082 } 9083 9084 @Override 9085 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 9086 Preconditions.checkNotNull(who, "ComponentName is null"); 9087 synchronized (this) { 9088 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9089 } 9090 final int userId = UserHandle.getCallingUserId(); 9091 9092 long ident = mInjector.binderClearCallingIdentity(); 9093 try { 9094 // disallow disabling the keyguard if a password is currently set 9095 if (disabled && mLockPatternUtils.isSecure(userId)) { 9096 return false; 9097 } 9098 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 9099 } finally { 9100 mInjector.binderRestoreCallingIdentity(ident); 9101 } 9102 return true; 9103 } 9104 9105 @Override 9106 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 9107 int userId = UserHandle.getCallingUserId(); 9108 synchronized (this) { 9109 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9110 DevicePolicyData policy = getUserData(userId); 9111 if (policy.mStatusBarDisabled != disabled) { 9112 if (!setStatusBarDisabledInternal(disabled, userId)) { 9113 return false; 9114 } 9115 policy.mStatusBarDisabled = disabled; 9116 saveSettingsLocked(userId); 9117 } 9118 } 9119 return true; 9120 } 9121 9122 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 9123 long ident = mInjector.binderClearCallingIdentity(); 9124 try { 9125 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 9126 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 9127 if (statusBarService != null) { 9128 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 9129 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 9130 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 9131 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 9132 return true; 9133 } 9134 } catch (RemoteException e) { 9135 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 9136 } finally { 9137 mInjector.binderRestoreCallingIdentity(ident); 9138 } 9139 return false; 9140 } 9141 9142 /** 9143 * We need to update the internal state of whether a user has completed setup or a 9144 * device has paired once. After that, we ignore any changes that reset the 9145 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 9146 * as we don't trust any apps that might try to reset them. 9147 * <p> 9148 * Unfortunately, we don't know which user's setup state was changed, so we write all of 9149 * them. 9150 */ 9151 void updateUserSetupCompleteAndPaired() { 9152 List<UserInfo> users = mUserManager.getUsers(true); 9153 final int N = users.size(); 9154 for (int i = 0; i < N; i++) { 9155 int userHandle = users.get(i).id; 9156 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 9157 userHandle) != 0) { 9158 DevicePolicyData policy = getUserData(userHandle); 9159 if (!policy.mUserSetupComplete) { 9160 policy.mUserSetupComplete = true; 9161 synchronized (this) { 9162 saveSettingsLocked(userHandle); 9163 } 9164 } 9165 } 9166 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 9167 userHandle) != 0) { 9168 DevicePolicyData policy = getUserData(userHandle); 9169 if (!policy.mPaired) { 9170 policy.mPaired = true; 9171 synchronized (this) { 9172 saveSettingsLocked(userHandle); 9173 } 9174 } 9175 } 9176 } 9177 } 9178 9179 private class SetupContentObserver extends ContentObserver { 9180 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 9181 Settings.Secure.USER_SETUP_COMPLETE); 9182 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 9183 Settings.Global.DEVICE_PROVISIONED); 9184 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 9185 private final Uri mDefaultImeChanged = Settings.Secure.getUriFor( 9186 Settings.Secure.DEFAULT_INPUT_METHOD); 9187 9188 @GuardedBy("DevicePolicyManagerService.this") 9189 private Set<Integer> mUserIdsWithPendingChangesByOwner = new ArraySet<>(); 9190 9191 public SetupContentObserver(Handler handler) { 9192 super(handler); 9193 } 9194 9195 void register() { 9196 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 9197 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 9198 if (mIsWatch) { 9199 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 9200 } 9201 mInjector.registerContentObserver(mDefaultImeChanged, false, this, UserHandle.USER_ALL); 9202 } 9203 9204 private void addPendingChangeByOwnerLocked(int userId) { 9205 mUserIdsWithPendingChangesByOwner.add(userId); 9206 } 9207 9208 @Override 9209 public void onChange(boolean selfChange, Uri uri, int userId) { 9210 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 9211 updateUserSetupCompleteAndPaired(); 9212 } else if (mDeviceProvisioned.equals(uri)) { 9213 synchronized (DevicePolicyManagerService.this) { 9214 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 9215 // is delayed until device is marked as provisioned. 9216 setDeviceOwnerSystemPropertyLocked(); 9217 } 9218 } else if (mDefaultImeChanged.equals(uri)) { 9219 synchronized (DevicePolicyManagerService.this) { 9220 if (mUserIdsWithPendingChangesByOwner.contains(userId)) { 9221 // This change notification was triggered by the owner changing the current 9222 // IME. Ignore it. 9223 mUserIdsWithPendingChangesByOwner.remove(userId); 9224 } else { 9225 // This change notification was triggered by the user manually changing the 9226 // current IME. 9227 getUserData(userId).mCurrentInputMethodSet = false; 9228 saveSettingsLocked(userId); 9229 } 9230 } 9231 } 9232 } 9233 } 9234 9235 @VisibleForTesting 9236 final class LocalService extends DevicePolicyManagerInternal { 9237 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 9238 9239 @Override 9240 public List<String> getCrossProfileWidgetProviders(int profileId) { 9241 synchronized (DevicePolicyManagerService.this) { 9242 if (mOwners == null) { 9243 return Collections.emptyList(); 9244 } 9245 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 9246 if (ownerComponent == null) { 9247 return Collections.emptyList(); 9248 } 9249 9250 DevicePolicyData policy = getUserDataUnchecked(profileId); 9251 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 9252 9253 if (admin == null || admin.crossProfileWidgetProviders == null 9254 || admin.crossProfileWidgetProviders.isEmpty()) { 9255 return Collections.emptyList(); 9256 } 9257 9258 return admin.crossProfileWidgetProviders; 9259 } 9260 } 9261 9262 @Override 9263 public void addOnCrossProfileWidgetProvidersChangeListener( 9264 OnCrossProfileWidgetProvidersChangeListener listener) { 9265 synchronized (DevicePolicyManagerService.this) { 9266 if (mWidgetProviderListeners == null) { 9267 mWidgetProviderListeners = new ArrayList<>(); 9268 } 9269 if (!mWidgetProviderListeners.contains(listener)) { 9270 mWidgetProviderListeners.add(listener); 9271 } 9272 } 9273 } 9274 9275 @Override 9276 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 9277 synchronized(DevicePolicyManagerService.this) { 9278 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 9279 } 9280 } 9281 9282 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 9283 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 9284 synchronized (DevicePolicyManagerService.this) { 9285 listeners = new ArrayList<>(mWidgetProviderListeners); 9286 } 9287 final int listenerCount = listeners.size(); 9288 for (int i = 0; i < listenerCount; i++) { 9289 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 9290 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 9291 } 9292 } 9293 9294 @Override 9295 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 9296 // This method is called from AM with its lock held, so don't take the DPMS lock. 9297 // b/29242568 9298 9299 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 9300 if (profileOwner != null) { 9301 return DevicePolicyManagerService.this 9302 .createShowAdminSupportIntent(profileOwner, userId); 9303 } 9304 9305 final Pair<Integer, ComponentName> deviceOwner = 9306 mOwners.getDeviceOwnerUserIdAndComponent(); 9307 if (deviceOwner != null && deviceOwner.first == userId) { 9308 return DevicePolicyManagerService.this 9309 .createShowAdminSupportIntent(deviceOwner.second, userId); 9310 } 9311 9312 // We're not specifying the device admin because there isn't one. 9313 if (useDefaultIfNoAdmin) { 9314 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 9315 } 9316 return null; 9317 } 9318 9319 @Override 9320 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 9321 int source; 9322 long ident = mInjector.binderClearCallingIdentity(); 9323 try { 9324 source = mUserManager.getUserRestrictionSource(userRestriction, 9325 UserHandle.of(userId)); 9326 } finally { 9327 mInjector.binderRestoreCallingIdentity(ident); 9328 } 9329 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 9330 /* 9331 * In this case, the user restriction is enforced by the system. 9332 * So we won't show an admin support intent, even if it is also 9333 * enforced by a profile/device owner. 9334 */ 9335 return null; 9336 } 9337 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 9338 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 9339 if (enforcedByDo && enforcedByPo) { 9340 // In this case, we'll show an admin support dialog that does not 9341 // specify the admin. 9342 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 9343 } else if (enforcedByPo) { 9344 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 9345 if (profileOwner != null) { 9346 return DevicePolicyManagerService.this 9347 .createShowAdminSupportIntent(profileOwner, userId); 9348 } 9349 // This could happen if another thread has changed the profile owner since we called 9350 // getUserRestrictionSource 9351 return null; 9352 } else if (enforcedByDo) { 9353 final Pair<Integer, ComponentName> deviceOwner 9354 = mOwners.getDeviceOwnerUserIdAndComponent(); 9355 if (deviceOwner != null) { 9356 return DevicePolicyManagerService.this 9357 .createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 9358 } 9359 // This could happen if another thread has changed the device owner since we called 9360 // getUserRestrictionSource 9361 return null; 9362 } 9363 return null; 9364 } 9365 } 9366 9367 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 9368 // This method is called with AMS lock held, so don't take DPMS lock 9369 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 9370 intent.putExtra(Intent.EXTRA_USER_ID, userId); 9371 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 9372 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9373 return intent; 9374 } 9375 9376 @Override 9377 public Intent createAdminSupportIntent(String restriction) { 9378 Preconditions.checkNotNull(restriction); 9379 final int uid = mInjector.binderGetCallingUid(); 9380 final int userId = UserHandle.getUserId(uid); 9381 Intent intent = null; 9382 if (DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction) || 9383 DevicePolicyManager.POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction)) { 9384 synchronized(this) { 9385 final DevicePolicyData policy = getUserData(userId); 9386 final int N = policy.mAdminList.size(); 9387 for (int i = 0; i < N; i++) { 9388 final ActiveAdmin admin = policy.mAdminList.get(i); 9389 if ((admin.disableCamera && 9390 DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) || 9391 (admin.disableScreenCapture && DevicePolicyManager 9392 .POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction))) { 9393 intent = createShowAdminSupportIntent(admin.info.getComponent(), userId); 9394 break; 9395 } 9396 } 9397 // For the camera, a device owner on a different user can disable it globally, 9398 // so we need an additional check. 9399 if (intent == null 9400 && DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) { 9401 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 9402 if (admin != null && admin.disableCamera) { 9403 intent = createShowAdminSupportIntent(admin.info.getComponent(), 9404 mOwners.getDeviceOwnerUserId()); 9405 } 9406 } 9407 } 9408 } else { 9409 // if valid, |restriction| can only be a user restriction 9410 intent = mLocalService.createUserRestrictionSupportIntent(userId, restriction); 9411 } 9412 if (intent != null) { 9413 intent.putExtra(DevicePolicyManager.EXTRA_RESTRICTION, restriction); 9414 } 9415 return intent; 9416 } 9417 9418 /** 9419 * Returns true if specified admin is allowed to limit passwords and has a 9420 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 9421 */ 9422 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 9423 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 9424 return false; 9425 } 9426 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 9427 } 9428 9429 @Override 9430 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 9431 if (policy != null && !policy.isValid()) { 9432 throw new IllegalArgumentException("Invalid system update policy."); 9433 } 9434 synchronized (this) { 9435 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9436 if (policy == null) { 9437 mOwners.clearSystemUpdatePolicy(); 9438 } else { 9439 mOwners.setSystemUpdatePolicy(policy); 9440 } 9441 mOwners.writeDeviceOwner(); 9442 } 9443 mContext.sendBroadcastAsUser( 9444 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 9445 UserHandle.SYSTEM); 9446 } 9447 9448 @Override 9449 public SystemUpdatePolicy getSystemUpdatePolicy() { 9450 synchronized (this) { 9451 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 9452 if (policy != null && !policy.isValid()) { 9453 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 9454 return null; 9455 } 9456 return policy; 9457 } 9458 } 9459 9460 /** 9461 * Checks if the caller of the method is the device owner app. 9462 * 9463 * @param callerUid UID of the caller. 9464 * @return true if the caller is the device owner app 9465 */ 9466 @VisibleForTesting 9467 boolean isCallerDeviceOwner(int callerUid) { 9468 synchronized (this) { 9469 if (!mOwners.hasDeviceOwner()) { 9470 return false; 9471 } 9472 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 9473 return false; 9474 } 9475 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 9476 .getPackageName(); 9477 try { 9478 String[] pkgs = mInjector.getIPackageManager().getPackagesForUid(callerUid); 9479 for (String pkg : pkgs) { 9480 if (deviceOwnerPackageName.equals(pkg)) { 9481 return true; 9482 } 9483 } 9484 } catch (RemoteException e) { 9485 return false; 9486 } 9487 } 9488 9489 return false; 9490 } 9491 9492 @Override 9493 public void notifyPendingSystemUpdate(@Nullable SystemUpdateInfo info) { 9494 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 9495 "Only the system update service can broadcast update information"); 9496 9497 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 9498 Slog.w(LOG_TAG, "Only the system update service in the system user " + 9499 "can broadcast update information."); 9500 return; 9501 } 9502 9503 if (!mOwners.saveSystemUpdateInfo(info)) { 9504 // Pending system update hasn't changed, don't send duplicate notification. 9505 return; 9506 } 9507 9508 final Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE) 9509 .putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 9510 info == null ? -1 : info.getReceivedTime()); 9511 9512 final long ident = mInjector.binderClearCallingIdentity(); 9513 try { 9514 synchronized (this) { 9515 // Broadcast to device owner first if there is one. 9516 if (mOwners.hasDeviceOwner()) { 9517 final UserHandle deviceOwnerUser = 9518 UserHandle.of(mOwners.getDeviceOwnerUserId()); 9519 intent.setComponent(mOwners.getDeviceOwnerComponent()); 9520 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 9521 } 9522 } 9523 // Get running users. 9524 final int runningUserIds[]; 9525 try { 9526 runningUserIds = mInjector.getIActivityManager().getRunningUserIds(); 9527 } catch (RemoteException e) { 9528 // Shouldn't happen. 9529 Log.e(LOG_TAG, "Could not retrieve the list of running users", e); 9530 return; 9531 } 9532 // Send broadcasts to corresponding profile owners if any. 9533 for (final int userId : runningUserIds) { 9534 synchronized (this) { 9535 final ComponentName profileOwnerPackage = 9536 mOwners.getProfileOwnerComponent(userId); 9537 if (profileOwnerPackage != null) { 9538 intent.setComponent(profileOwnerPackage); 9539 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 9540 } 9541 } 9542 } 9543 } finally { 9544 mInjector.binderRestoreCallingIdentity(ident); 9545 } 9546 } 9547 9548 @Override 9549 public SystemUpdateInfo getPendingSystemUpdate(ComponentName admin) { 9550 Preconditions.checkNotNull(admin, "ComponentName is null"); 9551 enforceProfileOrDeviceOwner(admin); 9552 9553 return mOwners.getSystemUpdateInfo(); 9554 } 9555 9556 @Override 9557 public void setPermissionPolicy(ComponentName admin, String callerPackage, int policy) 9558 throws RemoteException { 9559 int userId = UserHandle.getCallingUserId(); 9560 synchronized (this) { 9561 // Ensure the caller is a DO/PO or a permission grant state delegate. 9562 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9563 DELEGATION_PERMISSION_GRANT); 9564 DevicePolicyData userPolicy = getUserData(userId); 9565 if (userPolicy.mPermissionPolicy != policy) { 9566 userPolicy.mPermissionPolicy = policy; 9567 saveSettingsLocked(userId); 9568 } 9569 } 9570 } 9571 9572 @Override 9573 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 9574 int userId = UserHandle.getCallingUserId(); 9575 synchronized (this) { 9576 DevicePolicyData userPolicy = getUserData(userId); 9577 return userPolicy.mPermissionPolicy; 9578 } 9579 } 9580 9581 @Override 9582 public boolean setPermissionGrantState(ComponentName admin, String callerPackage, 9583 String packageName, String permission, int grantState) throws RemoteException { 9584 UserHandle user = mInjector.binderGetCallingUserHandle(); 9585 synchronized (this) { 9586 // Ensure the caller is a DO/PO or a permission grant state delegate. 9587 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9588 DELEGATION_PERMISSION_GRANT); 9589 long ident = mInjector.binderClearCallingIdentity(); 9590 try { 9591 if (getTargetSdk(packageName, user.getIdentifier()) 9592 < android.os.Build.VERSION_CODES.M) { 9593 return false; 9594 } 9595 if (!isRuntimePermission(permission)) { 9596 EventLog.writeEvent(0x534e4554, "62623498", user.getIdentifier(), ""); 9597 return false; 9598 } 9599 final PackageManager packageManager = mInjector.getPackageManager(); 9600 switch (grantState) { 9601 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 9602 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 9603 permission, user.getIdentifier(), true /* override policy */); 9604 packageManager.updatePermissionFlags(permission, packageName, 9605 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9606 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9607 } break; 9608 9609 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 9610 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 9611 permission, user.getIdentifier(), true /* override policy */); 9612 packageManager.updatePermissionFlags(permission, packageName, 9613 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9614 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9615 } break; 9616 9617 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 9618 packageManager.updatePermissionFlags(permission, packageName, 9619 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 9620 } break; 9621 } 9622 return true; 9623 } catch (SecurityException se) { 9624 return false; 9625 } catch (NameNotFoundException e) { 9626 return false; 9627 } finally { 9628 mInjector.binderRestoreCallingIdentity(ident); 9629 } 9630 } 9631 } 9632 9633 @Override 9634 public int getPermissionGrantState(ComponentName admin, String callerPackage, 9635 String packageName, String permission) throws RemoteException { 9636 PackageManager packageManager = mInjector.getPackageManager(); 9637 9638 UserHandle user = mInjector.binderGetCallingUserHandle(); 9639 if (!isCallerWithSystemUid()) { 9640 // Ensure the caller is a DO/PO or a permission grant state delegate. 9641 enforceCanManageScope(admin, callerPackage, 9642 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, DELEGATION_PERMISSION_GRANT); 9643 } 9644 synchronized (this) { 9645 long ident = mInjector.binderClearCallingIdentity(); 9646 try { 9647 int granted = mIPackageManager.checkPermission(permission, 9648 packageName, user.getIdentifier()); 9649 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 9650 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 9651 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 9652 // Not controlled by policy 9653 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 9654 } else { 9655 // Policy controlled so return result based on permission grant state 9656 return granted == PackageManager.PERMISSION_GRANTED 9657 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 9658 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 9659 } 9660 } finally { 9661 mInjector.binderRestoreCallingIdentity(ident); 9662 } 9663 } 9664 } 9665 9666 boolean isPackageInstalledForUser(String packageName, int userHandle) { 9667 try { 9668 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 9669 userHandle); 9670 return (pi != null) && (pi.applicationInfo.flags != 0); 9671 } catch (RemoteException re) { 9672 throw new RuntimeException("Package manager has died", re); 9673 } 9674 } 9675 9676 public boolean isRuntimePermission(String permissionName) throws NameNotFoundException { 9677 final PackageManager packageManager = mInjector.getPackageManager(); 9678 PermissionInfo permissionInfo = packageManager.getPermissionInfo(permissionName, 0); 9679 return (permissionInfo.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 9680 == PermissionInfo.PROTECTION_DANGEROUS; 9681 } 9682 9683 @Override 9684 public boolean isProvisioningAllowed(String action, String packageName) { 9685 Preconditions.checkNotNull(packageName); 9686 9687 final int callingUid = mInjector.binderGetCallingUid(); 9688 final long ident = mInjector.binderClearCallingIdentity(); 9689 try { 9690 final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( 9691 packageName, UserHandle.getUserId(callingUid)); 9692 Preconditions.checkArgument(callingUid == uidForPackage, 9693 "Caller uid doesn't match the one for the provided package."); 9694 } catch (NameNotFoundException e) { 9695 throw new IllegalArgumentException("Invalid package provided " + packageName, e); 9696 } finally { 9697 mInjector.binderRestoreCallingIdentity(ident); 9698 } 9699 9700 return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; 9701 } 9702 9703 @Override 9704 public int checkProvisioningPreCondition(String action, String packageName) { 9705 Preconditions.checkNotNull(packageName); 9706 enforceCanManageProfileAndDeviceOwners(); 9707 return checkProvisioningPreConditionSkipPermission(action, packageName); 9708 } 9709 9710 private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { 9711 if (!mHasFeature) { 9712 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 9713 } 9714 9715 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9716 if (action != null) { 9717 switch (action) { 9718 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 9719 return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); 9720 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 9721 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9722 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 9723 return checkManagedUserProvisioningPreCondition(callingUserId); 9724 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 9725 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 9726 } 9727 } 9728 throw new IllegalArgumentException("Unknown provisioning action " + action); 9729 } 9730 9731 /** 9732 * The device owner can only be set before the setup phase of the primary user has completed, 9733 * except for adb command if no accounts or additional users are present on the device. 9734 */ 9735 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 9736 int deviceOwnerUserId, boolean isAdb, boolean hasIncompatibleAccountsOrNonAdb) { 9737 if (mOwners.hasDeviceOwner()) { 9738 return CODE_HAS_DEVICE_OWNER; 9739 } 9740 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 9741 return CODE_USER_HAS_PROFILE_OWNER; 9742 } 9743 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 9744 return CODE_USER_NOT_RUNNING; 9745 } 9746 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9747 return CODE_HAS_PAIRED; 9748 } 9749 if (isAdb) { 9750 // if shell command runs after user setup completed check device status. Otherwise, OK. 9751 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9752 if (!mInjector.userManagerIsSplitSystemUser()) { 9753 if (mUserManager.getUserCount() > 1) { 9754 return CODE_NONSYSTEM_USER_EXISTS; 9755 } 9756 if (hasIncompatibleAccountsOrNonAdb) { 9757 return CODE_ACCOUNTS_NOT_EMPTY; 9758 } 9759 } else { 9760 // STOPSHIP Do proper check in split user mode 9761 } 9762 } 9763 return CODE_OK; 9764 } else { 9765 if (!mInjector.userManagerIsSplitSystemUser()) { 9766 // In non-split user mode, DO has to be user 0 9767 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 9768 return CODE_NOT_SYSTEM_USER; 9769 } 9770 // In non-split user mode, only provision DO before setup wizard completes 9771 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9772 return CODE_USER_SETUP_COMPLETED; 9773 } 9774 } else { 9775 // STOPSHIP Do proper check in split user mode 9776 } 9777 return CODE_OK; 9778 } 9779 } 9780 9781 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 9782 synchronized (this) { 9783 // hasIncompatibleAccountsOrNonAdb doesn't matter since the caller is not adb. 9784 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 9785 deviceOwnerUserId, /* isAdb= */ false, 9786 /* hasIncompatibleAccountsOrNonAdb=*/ true); 9787 } 9788 } 9789 9790 private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { 9791 if (!hasFeatureManagedUsers()) { 9792 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9793 } 9794 if (callingUserId == UserHandle.USER_SYSTEM 9795 && mInjector.userManagerIsSplitSystemUser()) { 9796 // Managed-profiles cannot be setup on the system user. 9797 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 9798 } 9799 if (getProfileOwner(callingUserId) != null) { 9800 // Managed user cannot have a managed profile. 9801 return CODE_USER_HAS_PROFILE_OWNER; 9802 } 9803 9804 final long ident = mInjector.binderClearCallingIdentity(); 9805 try { 9806 final UserHandle callingUserHandle = UserHandle.of(callingUserId); 9807 final ComponentName ownerAdmin = getOwnerComponent(packageName, callingUserId); 9808 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_MANAGED_PROFILE, 9809 callingUserHandle)) { 9810 // An admin can initiate provisioning if it has set the restriction. 9811 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9812 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { 9813 return CODE_ADD_MANAGED_PROFILE_DISALLOWED; 9814 } 9815 } 9816 boolean canRemoveProfile = true; 9817 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9818 callingUserHandle)) { 9819 // We can remove a profile if the admin itself has set the restriction. 9820 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9821 UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9822 callingUserId)) { 9823 canRemoveProfile = false; 9824 } 9825 } 9826 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 9827 return CODE_CANNOT_ADD_MANAGED_PROFILE; 9828 } 9829 } finally { 9830 mInjector.binderRestoreCallingIdentity(ident); 9831 } 9832 return CODE_OK; 9833 } 9834 9835 private ComponentName getOwnerComponent(String packageName, int userId) { 9836 if (isDeviceOwnerPackage(packageName, userId)) { 9837 return mOwners.getDeviceOwnerComponent(); 9838 } 9839 if (isProfileOwnerPackage(packageName, userId)) { 9840 return mOwners.getProfileOwnerComponent(userId); 9841 } 9842 return null; 9843 } 9844 9845 /** 9846 * Return device owner or profile owner set on a given user. 9847 */ 9848 private @Nullable ComponentName getOwnerComponent(int userId) { 9849 synchronized (this) { 9850 if (mOwners.getDeviceOwnerUserId() == userId) { 9851 return mOwners.getDeviceOwnerComponent(); 9852 } 9853 if (mOwners.hasProfileOwner(userId)) { 9854 return mOwners.getProfileOwnerComponent(userId); 9855 } 9856 } 9857 return null; 9858 } 9859 9860 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 9861 if (!hasFeatureManagedUsers()) { 9862 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9863 } 9864 if (!mInjector.userManagerIsSplitSystemUser()) { 9865 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 9866 return CODE_NOT_SYSTEM_USER_SPLIT; 9867 } 9868 if (callingUserId == UserHandle.USER_SYSTEM) { 9869 // System user cannot be a managed user. 9870 return CODE_SYSTEM_USER; 9871 } 9872 if (hasUserSetupCompleted(callingUserId)) { 9873 return CODE_USER_SETUP_COMPLETED; 9874 } 9875 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9876 return CODE_HAS_PAIRED; 9877 } 9878 return CODE_OK; 9879 } 9880 9881 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 9882 if (!mInjector.userManagerIsSplitSystemUser()) { 9883 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 9884 return CODE_NOT_SYSTEM_USER_SPLIT; 9885 } 9886 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9887 } 9888 9889 private boolean hasFeatureManagedUsers() { 9890 try { 9891 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 9892 } catch (RemoteException e) { 9893 return false; 9894 } 9895 } 9896 9897 @Override 9898 public String getWifiMacAddress(ComponentName admin) { 9899 // Make sure caller has DO. 9900 synchronized (this) { 9901 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9902 } 9903 9904 final long ident = mInjector.binderClearCallingIdentity(); 9905 try { 9906 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 9907 if (wifiInfo == null) { 9908 return null; 9909 } 9910 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 9911 } finally { 9912 mInjector.binderRestoreCallingIdentity(ident); 9913 } 9914 } 9915 9916 /** 9917 * Returns the target sdk version number that the given packageName was built for 9918 * in the given user. 9919 */ 9920 private int getTargetSdk(String packageName, int userId) { 9921 final ApplicationInfo ai; 9922 try { 9923 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 9924 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 9925 return targetSdkVersion; 9926 } catch (RemoteException e) { 9927 // Shouldn't happen 9928 return 0; 9929 } 9930 } 9931 9932 @Override 9933 public boolean isManagedProfile(ComponentName admin) { 9934 enforceProfileOrDeviceOwner(admin); 9935 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 9936 } 9937 9938 @Override 9939 public boolean isSystemOnlyUser(ComponentName admin) { 9940 synchronized (this) { 9941 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9942 } 9943 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9944 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 9945 } 9946 9947 @Override 9948 public void reboot(ComponentName admin) { 9949 Preconditions.checkNotNull(admin); 9950 // Make sure caller has DO. 9951 synchronized (this) { 9952 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9953 } 9954 long ident = mInjector.binderClearCallingIdentity(); 9955 try { 9956 // Make sure there are no ongoing calls on the device. 9957 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 9958 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 9959 } 9960 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 9961 } finally { 9962 mInjector.binderRestoreCallingIdentity(ident); 9963 } 9964 } 9965 9966 @Override 9967 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9968 if (!mHasFeature) { 9969 return; 9970 } 9971 Preconditions.checkNotNull(who, "ComponentName is null"); 9972 final int userHandle = mInjector.userHandleGetCallingUserId(); 9973 synchronized (this) { 9974 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9975 mInjector.binderGetCallingUid()); 9976 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9977 admin.shortSupportMessage = message; 9978 saveSettingsLocked(userHandle); 9979 } 9980 } 9981 } 9982 9983 @Override 9984 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9985 if (!mHasFeature) { 9986 return null; 9987 } 9988 Preconditions.checkNotNull(who, "ComponentName is null"); 9989 synchronized (this) { 9990 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9991 mInjector.binderGetCallingUid()); 9992 return admin.shortSupportMessage; 9993 } 9994 } 9995 9996 @Override 9997 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9998 if (!mHasFeature) { 9999 return; 10000 } 10001 Preconditions.checkNotNull(who, "ComponentName is null"); 10002 final int userHandle = mInjector.userHandleGetCallingUserId(); 10003 synchronized (this) { 10004 ActiveAdmin admin = getActiveAdminForUidLocked(who, 10005 mInjector.binderGetCallingUid()); 10006 if (!TextUtils.equals(admin.longSupportMessage, message)) { 10007 admin.longSupportMessage = message; 10008 saveSettingsLocked(userHandle); 10009 } 10010 } 10011 } 10012 10013 @Override 10014 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 10015 if (!mHasFeature) { 10016 return null; 10017 } 10018 Preconditions.checkNotNull(who, "ComponentName is null"); 10019 synchronized (this) { 10020 ActiveAdmin admin = getActiveAdminForUidLocked(who, 10021 mInjector.binderGetCallingUid()); 10022 return admin.longSupportMessage; 10023 } 10024 } 10025 10026 @Override 10027 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 10028 if (!mHasFeature) { 10029 return null; 10030 } 10031 Preconditions.checkNotNull(who, "ComponentName is null"); 10032 if (!isCallerWithSystemUid()) { 10033 throw new SecurityException("Only the system can query support message for user"); 10034 } 10035 synchronized (this) { 10036 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 10037 if (admin != null) { 10038 return admin.shortSupportMessage; 10039 } 10040 } 10041 return null; 10042 } 10043 10044 @Override 10045 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 10046 if (!mHasFeature) { 10047 return null; 10048 } 10049 Preconditions.checkNotNull(who, "ComponentName is null"); 10050 if (!isCallerWithSystemUid()) { 10051 throw new SecurityException("Only the system can query support message for user"); 10052 } 10053 synchronized (this) { 10054 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 10055 if (admin != null) { 10056 return admin.longSupportMessage; 10057 } 10058 } 10059 return null; 10060 } 10061 10062 @Override 10063 public void setOrganizationColor(@NonNull ComponentName who, int color) { 10064 if (!mHasFeature) { 10065 return; 10066 } 10067 Preconditions.checkNotNull(who, "ComponentName is null"); 10068 final int userHandle = mInjector.userHandleGetCallingUserId(); 10069 enforceManagedProfile(userHandle, "set organization color"); 10070 synchronized (this) { 10071 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 10072 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10073 admin.organizationColor = color; 10074 saveSettingsLocked(userHandle); 10075 } 10076 } 10077 10078 @Override 10079 public void setOrganizationColorForUser(int color, int userId) { 10080 if (!mHasFeature) { 10081 return; 10082 } 10083 enforceFullCrossUsersPermission(userId); 10084 enforceManageUsers(); 10085 enforceManagedProfile(userId, "set organization color"); 10086 synchronized (this) { 10087 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 10088 admin.organizationColor = color; 10089 saveSettingsLocked(userId); 10090 } 10091 } 10092 10093 @Override 10094 public int getOrganizationColor(@NonNull ComponentName who) { 10095 if (!mHasFeature) { 10096 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 10097 } 10098 Preconditions.checkNotNull(who, "ComponentName is null"); 10099 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 10100 synchronized (this) { 10101 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 10102 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10103 return admin.organizationColor; 10104 } 10105 } 10106 10107 @Override 10108 public int getOrganizationColorForUser(int userHandle) { 10109 if (!mHasFeature) { 10110 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 10111 } 10112 enforceFullCrossUsersPermission(userHandle); 10113 enforceManagedProfile(userHandle, "get organization color"); 10114 synchronized (this) { 10115 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 10116 return (profileOwner != null) 10117 ? profileOwner.organizationColor 10118 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 10119 } 10120 } 10121 10122 @Override 10123 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 10124 if (!mHasFeature) { 10125 return; 10126 } 10127 Preconditions.checkNotNull(who, "ComponentName is null"); 10128 final int userHandle = mInjector.userHandleGetCallingUserId(); 10129 10130 synchronized (this) { 10131 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 10132 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10133 if (!TextUtils.equals(admin.organizationName, text)) { 10134 admin.organizationName = (text == null || text.length() == 0) 10135 ? null : text.toString(); 10136 saveSettingsLocked(userHandle); 10137 } 10138 } 10139 } 10140 10141 @Override 10142 public CharSequence getOrganizationName(@NonNull ComponentName who) { 10143 if (!mHasFeature) { 10144 return null; 10145 } 10146 Preconditions.checkNotNull(who, "ComponentName is null"); 10147 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 10148 synchronized(this) { 10149 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 10150 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10151 return admin.organizationName; 10152 } 10153 } 10154 10155 @Override 10156 public CharSequence getDeviceOwnerOrganizationName() { 10157 if (!mHasFeature) { 10158 return null; 10159 } 10160 enforceDeviceOwnerOrManageUsers(); 10161 synchronized(this) { 10162 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 10163 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 10164 } 10165 } 10166 10167 @Override 10168 public CharSequence getOrganizationNameForUser(int userHandle) { 10169 if (!mHasFeature) { 10170 return null; 10171 } 10172 enforceFullCrossUsersPermission(userHandle); 10173 enforceManagedProfile(userHandle, "get organization name"); 10174 synchronized (this) { 10175 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 10176 return (profileOwner != null) 10177 ? profileOwner.organizationName 10178 : null; 10179 } 10180 } 10181 10182 @Override 10183 public void setAffiliationIds(ComponentName admin, List<String> ids) { 10184 if (!mHasFeature) { 10185 return; 10186 } 10187 if (ids == null) { 10188 throw new IllegalArgumentException("ids must not be null"); 10189 } 10190 for (String id : ids) { 10191 if (TextUtils.isEmpty(id)) { 10192 throw new IllegalArgumentException("ids must not contain empty string"); 10193 } 10194 } 10195 10196 final Set<String> affiliationIds = new ArraySet<>(ids); 10197 final int callingUserId = mInjector.userHandleGetCallingUserId(); 10198 synchronized (this) { 10199 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10200 getUserData(callingUserId).mAffiliationIds = affiliationIds; 10201 saveSettingsLocked(callingUserId); 10202 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 10203 // Affiliation ids specified by the device owner are additionally stored in 10204 // UserHandle.USER_SYSTEM's DevicePolicyData. 10205 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 10206 saveSettingsLocked(UserHandle.USER_SYSTEM); 10207 } 10208 10209 // Affiliation status for any user, not just the calling user, might have changed. 10210 // The device owner user will still be affiliated after changing its affiliation ids, 10211 // but as a result of that other users might become affiliated or un-affiliated. 10212 maybePauseDeviceWideLoggingLocked(); 10213 maybeResumeDeviceWideLoggingLocked(); 10214 maybeClearLockTaskPackagesLocked(); 10215 } 10216 } 10217 10218 @Override 10219 public List<String> getAffiliationIds(ComponentName admin) { 10220 if (!mHasFeature) { 10221 return Collections.emptyList(); 10222 } 10223 10224 Preconditions.checkNotNull(admin); 10225 synchronized (this) { 10226 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10227 return new ArrayList<String>( 10228 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 10229 } 10230 } 10231 10232 @Override 10233 public boolean isAffiliatedUser() { 10234 if (!mHasFeature) { 10235 return false; 10236 } 10237 10238 synchronized (this) { 10239 return isUserAffiliatedWithDeviceLocked(mInjector.userHandleGetCallingUserId()); 10240 } 10241 } 10242 10243 private boolean isUserAffiliatedWithDeviceLocked(int userId) { 10244 if (!mOwners.hasDeviceOwner()) { 10245 return false; 10246 } 10247 if (userId == mOwners.getDeviceOwnerUserId()) { 10248 // The user that the DO is installed on is always affiliated with the device. 10249 return true; 10250 } 10251 if (userId == UserHandle.USER_SYSTEM) { 10252 // The system user is always affiliated in a DO device, even if the DO is set on a 10253 // different user. This could be the case if the DO is set in the primary user 10254 // of a split user device. 10255 return true; 10256 } 10257 final ComponentName profileOwner = getProfileOwner(userId); 10258 if (profileOwner == null) { 10259 return false; 10260 } 10261 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 10262 final Set<String> deviceAffiliationIds = 10263 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 10264 for (String id : userAffiliationIds) { 10265 if (deviceAffiliationIds.contains(id)) { 10266 return true; 10267 } 10268 } 10269 return false; 10270 } 10271 10272 private boolean areAllUsersAffiliatedWithDeviceLocked() { 10273 final long ident = mInjector.binderClearCallingIdentity(); 10274 try { 10275 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 10276 for (int i = 0; i < userInfos.size(); i++) { 10277 int userId = userInfos.get(i).id; 10278 if (!isUserAffiliatedWithDeviceLocked(userId)) { 10279 Slog.d(LOG_TAG, "User id " + userId + " not affiliated."); 10280 return false; 10281 } 10282 } 10283 } finally { 10284 mInjector.binderRestoreCallingIdentity(ident); 10285 } 10286 10287 return true; 10288 } 10289 10290 @Override 10291 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 10292 if (!mHasFeature) { 10293 return; 10294 } 10295 Preconditions.checkNotNull(admin); 10296 10297 synchronized (this) { 10298 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10299 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 10300 return; 10301 } 10302 mInjector.securityLogSetLoggingEnabledProperty(enabled); 10303 if (enabled) { 10304 mSecurityLogMonitor.start(); 10305 maybePauseDeviceWideLoggingLocked(); 10306 } else { 10307 mSecurityLogMonitor.stop(); 10308 } 10309 } 10310 } 10311 10312 @Override 10313 public boolean isSecurityLoggingEnabled(ComponentName admin) { 10314 if (!mHasFeature) { 10315 return false; 10316 } 10317 10318 synchronized (this) { 10319 if (!isCallerWithSystemUid()) { 10320 Preconditions.checkNotNull(admin); 10321 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10322 } 10323 return mInjector.securityLogGetLoggingEnabledProperty(); 10324 } 10325 } 10326 10327 private synchronized void recordSecurityLogRetrievalTime() { 10328 final long currentTime = System.currentTimeMillis(); 10329 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10330 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 10331 policyData.mLastSecurityLogRetrievalTime = currentTime; 10332 saveSettingsLocked(UserHandle.USER_SYSTEM); 10333 } 10334 } 10335 10336 @Override 10337 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 10338 if (!mHasFeature) { 10339 return null; 10340 } 10341 10342 Preconditions.checkNotNull(admin); 10343 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10344 10345 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs) 10346 || !mInjector.securityLogGetLoggingEnabledProperty()) { 10347 return null; 10348 } 10349 10350 recordSecurityLogRetrievalTime(); 10351 10352 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 10353 try { 10354 SecurityLog.readPreviousEvents(output); 10355 return new ParceledListSlice<SecurityEvent>(output); 10356 } catch (IOException e) { 10357 Slog.w(LOG_TAG, "Fail to read previous events" , e); 10358 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 10359 } 10360 } 10361 10362 @Override 10363 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 10364 if (!mHasFeature) { 10365 return null; 10366 } 10367 10368 Preconditions.checkNotNull(admin); 10369 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10370 10371 if (!mInjector.securityLogGetLoggingEnabledProperty()) { 10372 return null; 10373 } 10374 10375 recordSecurityLogRetrievalTime(); 10376 10377 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 10378 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 10379 } 10380 10381 private void enforceCanManageDeviceAdmin() { 10382 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 10383 null); 10384 } 10385 10386 private void enforceCanManageProfileAndDeviceOwners() { 10387 mContext.enforceCallingOrSelfPermission( 10388 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 10389 } 10390 10391 private void enforceCallerSystemUserHandle() { 10392 final int callingUid = mInjector.binderGetCallingUid(); 10393 final int userId = UserHandle.getUserId(callingUid); 10394 if (userId != UserHandle.USER_SYSTEM) { 10395 throw new SecurityException("Caller has to be in user 0"); 10396 } 10397 } 10398 10399 @Override 10400 public boolean isUninstallInQueue(final String packageName) { 10401 enforceCanManageDeviceAdmin(); 10402 final int userId = mInjector.userHandleGetCallingUserId(); 10403 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10404 synchronized (this) { 10405 return mPackagesToRemove.contains(packageUserPair); 10406 } 10407 } 10408 10409 @Override 10410 public void uninstallPackageWithActiveAdmins(final String packageName) { 10411 enforceCanManageDeviceAdmin(); 10412 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 10413 10414 final int userId = mInjector.userHandleGetCallingUserId(); 10415 10416 enforceUserUnlocked(userId); 10417 10418 final ComponentName profileOwner = getProfileOwner(userId); 10419 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 10420 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 10421 } 10422 10423 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 10424 if (getDeviceOwnerUserId() == userId && deviceOwner != null 10425 && packageName.equals(deviceOwner.getPackageName())) { 10426 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 10427 } 10428 10429 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10430 synchronized (this) { 10431 mPackagesToRemove.add(packageUserPair); 10432 } 10433 10434 // All active admins on the user. 10435 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 10436 10437 // Active admins in the target package. 10438 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 10439 if (allActiveAdmins != null) { 10440 for (ComponentName activeAdmin : allActiveAdmins) { 10441 if (packageName.equals(activeAdmin.getPackageName())) { 10442 packageActiveAdmins.add(activeAdmin); 10443 removeActiveAdmin(activeAdmin, userId); 10444 } 10445 } 10446 } 10447 if (packageActiveAdmins.size() == 0) { 10448 startUninstallIntent(packageName, userId); 10449 } else { 10450 mHandler.postDelayed(new Runnable() { 10451 @Override 10452 public void run() { 10453 for (ComponentName activeAdmin : packageActiveAdmins) { 10454 removeAdminArtifacts(activeAdmin, userId); 10455 } 10456 startUninstallIntent(packageName, userId); 10457 } 10458 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 10459 } 10460 } 10461 10462 @Override 10463 public boolean isDeviceProvisioned() { 10464 synchronized (this) { 10465 return getUserDataUnchecked(UserHandle.USER_SYSTEM).mUserSetupComplete; 10466 } 10467 } 10468 10469 private boolean isCurrentUserDemo() { 10470 if (UserManager.isDeviceInDemoMode(mContext)) { 10471 final int userId = mInjector.userHandleGetCallingUserId(); 10472 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10473 try { 10474 return mUserManager.getUserInfo(userId).isDemo(); 10475 } finally { 10476 mInjector.binderRestoreCallingIdentity(callingIdentity); 10477 } 10478 } 10479 return false; 10480 } 10481 10482 private void removePackageIfRequired(final String packageName, final int userId) { 10483 if (!packageHasActiveAdmins(packageName, userId)) { 10484 // Will not do anything if uninstall was not requested or was already started. 10485 startUninstallIntent(packageName, userId); 10486 } 10487 } 10488 10489 private void startUninstallIntent(final String packageName, final int userId) { 10490 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10491 synchronized (this) { 10492 if (!mPackagesToRemove.contains(packageUserPair)) { 10493 // Do nothing if uninstall was not requested or was already started. 10494 return; 10495 } 10496 mPackagesToRemove.remove(packageUserPair); 10497 } 10498 try { 10499 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 10500 // Package does not exist. Nothing to do. 10501 return; 10502 } 10503 } catch (RemoteException re) { 10504 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 10505 } 10506 10507 try { // force stop the package before uninstalling 10508 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 10509 } catch (RemoteException re) { 10510 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 10511 } 10512 final Uri packageURI = Uri.parse("package:" + packageName); 10513 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 10514 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 10515 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 10516 } 10517 10518 /** 10519 * Removes the admin from the policy. Ideally called after the admin's 10520 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 10521 * 10522 * @param adminReceiver The admin to remove 10523 * @param userHandle The user for which this admin has to be removed. 10524 */ 10525 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 10526 synchronized (this) { 10527 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 10528 if (admin == null) { 10529 return; 10530 } 10531 final DevicePolicyData policy = getUserData(userHandle); 10532 final boolean doProxyCleanup = admin.info.usesPolicy( 10533 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 10534 policy.mAdminList.remove(admin); 10535 policy.mAdminMap.remove(adminReceiver); 10536 validatePasswordOwnerLocked(policy); 10537 if (doProxyCleanup) { 10538 resetGlobalProxyLocked(policy); 10539 } 10540 saveSettingsLocked(userHandle); 10541 updateMaximumTimeToLockLocked(userHandle); 10542 policy.mRemovingAdmins.remove(adminReceiver); 10543 10544 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 10545 } 10546 // The removed admin might have disabled camera, so update user 10547 // restrictions. 10548 pushUserRestrictions(userHandle); 10549 } 10550 10551 @Override 10552 public void setDeviceProvisioningConfigApplied() { 10553 enforceManageUsers(); 10554 synchronized (this) { 10555 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10556 policy.mDeviceProvisioningConfigApplied = true; 10557 saveSettingsLocked(UserHandle.USER_SYSTEM); 10558 } 10559 } 10560 10561 @Override 10562 public boolean isDeviceProvisioningConfigApplied() { 10563 enforceManageUsers(); 10564 synchronized (this) { 10565 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10566 return policy.mDeviceProvisioningConfigApplied; 10567 } 10568 } 10569 10570 /** 10571 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 10572 * 10573 * It's added for testing only. Please use this API carefully if it's used by other system app 10574 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 10575 * apps. 10576 */ 10577 @Override 10578 public void forceUpdateUserSetupComplete() { 10579 enforceCanManageProfileAndDeviceOwners(); 10580 enforceCallerSystemUserHandle(); 10581 // no effect if it's called from user build 10582 if (!mInjector.isBuildDebuggable()) { 10583 return; 10584 } 10585 final int userId = UserHandle.USER_SYSTEM; 10586 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 10587 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 10588 DevicePolicyData policy = getUserData(userId); 10589 policy.mUserSetupComplete = isUserCompleted; 10590 synchronized (this) { 10591 saveSettingsLocked(userId); 10592 } 10593 } 10594 10595 // TODO(b/22388012): When backup is available for secondary users and profiles, consider 10596 // whether there are any privacy/security implications of enabling the backup service here 10597 // if there are other users or profiles unmanaged or managed by a different entity (i.e. not 10598 // affiliated). 10599 @Override 10600 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 10601 if (!mHasFeature) { 10602 return; 10603 } 10604 Preconditions.checkNotNull(admin); 10605 synchronized (this) { 10606 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10607 } 10608 10609 final long ident = mInjector.binderClearCallingIdentity(); 10610 try { 10611 IBackupManager ibm = mInjector.getIBackupManager(); 10612 if (ibm != null) { 10613 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 10614 } 10615 } catch (RemoteException e) { 10616 throw new IllegalStateException( 10617 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 10618 } finally { 10619 mInjector.binderRestoreCallingIdentity(ident); 10620 } 10621 } 10622 10623 @Override 10624 public boolean isBackupServiceEnabled(ComponentName admin) { 10625 Preconditions.checkNotNull(admin); 10626 if (!mHasFeature) { 10627 return true; 10628 } 10629 synchronized (this) { 10630 try { 10631 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10632 IBackupManager ibm = mInjector.getIBackupManager(); 10633 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 10634 } catch (RemoteException e) { 10635 throw new IllegalStateException("Failed requesting backup service state.", e); 10636 } 10637 } 10638 } 10639 10640 @Override 10641 public boolean bindDeviceAdminServiceAsUser( 10642 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 10643 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 10644 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 10645 if (!mHasFeature) { 10646 return false; 10647 } 10648 Preconditions.checkNotNull(admin); 10649 Preconditions.checkNotNull(caller); 10650 Preconditions.checkNotNull(serviceIntent); 10651 Preconditions.checkArgument( 10652 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 10653 "Service intent must be explicit (with a package name or component): " 10654 + serviceIntent); 10655 Preconditions.checkNotNull(connection); 10656 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 10657 "target user id must be different from the calling user id"); 10658 10659 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 10660 throw new SecurityException("Not allowed to bind to target user id"); 10661 } 10662 10663 final String targetPackage; 10664 synchronized (this) { 10665 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 10666 } 10667 10668 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10669 try { 10670 // Validate and sanitize the incoming service intent. 10671 final Intent sanitizedIntent = 10672 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 10673 if (sanitizedIntent == null) { 10674 // Fail, cannot lookup the target service. 10675 return false; 10676 } 10677 // Ask ActivityManager to bind it. Notice that we are binding the service with the 10678 // caller app instead of DevicePolicyManagerService. 10679 return mInjector.getIActivityManager().bindService( 10680 caller, activtiyToken, serviceIntent, 10681 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10682 connection, flags, mContext.getOpPackageName(), 10683 targetUserId) != 0; 10684 } catch (RemoteException ex) { 10685 // Same process, should not happen. 10686 } finally { 10687 mInjector.binderRestoreCallingIdentity(callingIdentity); 10688 } 10689 10690 // Failed to bind. 10691 return false; 10692 } 10693 10694 @Override 10695 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 10696 if (!mHasFeature) { 10697 return Collections.emptyList(); 10698 } 10699 Preconditions.checkNotNull(admin); 10700 10701 synchronized (this) { 10702 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10703 10704 final int callingUserId = mInjector.userHandleGetCallingUserId(); 10705 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10706 try { 10707 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 10708 if (!isDeviceOwner(admin, callingUserId)) { 10709 // Profile owners can only bind to the device owner. 10710 if (canUserBindToDeviceOwnerLocked(callingUserId)) { 10711 targetUsers.add(UserHandle.of(mOwners.getDeviceOwnerUserId())); 10712 } 10713 } else { 10714 // Caller is the device owner: Look for profile owners that it can bind to. 10715 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 10716 for (int i = 0; i < userInfos.size(); i++) { 10717 final int userId = userInfos.get(i).id; 10718 if (userId != callingUserId && canUserBindToDeviceOwnerLocked(userId)) { 10719 targetUsers.add(UserHandle.of(userId)); 10720 } 10721 } 10722 } 10723 10724 return targetUsers; 10725 } finally { 10726 mInjector.binderRestoreCallingIdentity(callingIdentity); 10727 } 10728 } 10729 } 10730 10731 private boolean canUserBindToDeviceOwnerLocked(int userId) { 10732 // There has to be a device owner, under another user id. 10733 if (!mOwners.hasDeviceOwner() || userId == mOwners.getDeviceOwnerUserId()) { 10734 return false; 10735 } 10736 10737 // The user must have a profile owner that belongs to the same package as the device owner. 10738 if (!mOwners.hasProfileOwner(userId) || !TextUtils.equals( 10739 mOwners.getDeviceOwnerPackageName(), mOwners.getProfileOwnerPackage(userId))) { 10740 return false; 10741 } 10742 10743 // The user must be affiliated. 10744 return isUserAffiliatedWithDeviceLocked(userId); 10745 } 10746 10747 /** 10748 * Return true if a given user has any accounts that'll prevent installing a device or profile 10749 * owner {@code owner}. 10750 * - If the user has no accounts, then return false. 10751 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 10752 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 10753 * ..._DISALLOWED, return true. 10754 * - Otherwise return false. 10755 * 10756 * If the caller is *not* ADB, it also returns true. The returned value shouldn't be used 10757 * when the caller is not ADB. 10758 * 10759 * DO NOT CALL IT WITH THE DPMS LOCK HELD. 10760 */ 10761 private boolean hasIncompatibleAccountsOrNonAdbNoLock( 10762 int userId, @Nullable ComponentName owner) { 10763 if (!isAdb()) { 10764 return true; 10765 } 10766 wtfIfInLock(); 10767 10768 final long token = mInjector.binderClearCallingIdentity(); 10769 try { 10770 final AccountManager am = AccountManager.get(mContext); 10771 final Account accounts[] = am.getAccountsAsUser(userId); 10772 if (accounts.length == 0) { 10773 return false; 10774 } 10775 synchronized (this) { 10776 if (owner == null || !isAdminTestOnlyLocked(owner, userId)) { 10777 Log.w(LOG_TAG, 10778 "Non test-only owner can't be installed with existing accounts."); 10779 return true; 10780 } 10781 } 10782 10783 final String[] feature_allow = 10784 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 10785 final String[] feature_disallow = 10786 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 10787 10788 boolean compatible = true; 10789 for (Account account : accounts) { 10790 if (hasAccountFeatures(am, account, feature_disallow)) { 10791 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 10792 compatible = false; 10793 break; 10794 } 10795 if (!hasAccountFeatures(am, account, feature_allow)) { 10796 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 10797 compatible = false; 10798 break; 10799 } 10800 } 10801 if (compatible) { 10802 Log.w(LOG_TAG, "All accounts are compatible"); 10803 } else { 10804 Log.e(LOG_TAG, "Found incompatible accounts"); 10805 } 10806 return !compatible; 10807 } finally { 10808 mInjector.binderRestoreCallingIdentity(token); 10809 } 10810 } 10811 10812 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 10813 try { 10814 return am.hasFeatures(account, features, null, null).getResult(); 10815 } catch (Exception e) { 10816 Log.w(LOG_TAG, "Failed to get account feature", e); 10817 return false; 10818 } 10819 } 10820 10821 private boolean isAdb() { 10822 final int callingUid = mInjector.binderGetCallingUid(); 10823 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 10824 } 10825 10826 @Override 10827 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 10828 if (!mHasFeature) { 10829 return; 10830 } 10831 Preconditions.checkNotNull(admin); 10832 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10833 10834 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 10835 // already in the requested state 10836 return; 10837 } 10838 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10839 deviceOwner.isNetworkLoggingEnabled = enabled; 10840 if (!enabled) { 10841 deviceOwner.numNetworkLoggingNotifications = 0; 10842 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10843 } 10844 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 10845 10846 setNetworkLoggingActiveInternal(enabled); 10847 } 10848 10849 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 10850 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10851 try { 10852 if (active) { 10853 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 10854 if (!mNetworkLogger.startNetworkLogging()) { 10855 mNetworkLogger = null; 10856 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 10857 + " service not being available yet."); 10858 } 10859 maybePauseDeviceWideLoggingLocked(); 10860 sendNetworkLoggingNotificationLocked(); 10861 } else { 10862 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 10863 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 10864 + " service not being available yet."); 10865 } 10866 mNetworkLogger = null; 10867 mInjector.getNotificationManager().cancel(SystemMessage.NOTE_NETWORK_LOGGING); 10868 } 10869 } finally { 10870 mInjector.binderRestoreCallingIdentity(callingIdentity); 10871 } 10872 } 10873 10874 /** Pauses security and network logging if there are unaffiliated users on the device */ 10875 private void maybePauseDeviceWideLoggingLocked() { 10876 if (!areAllUsersAffiliatedWithDeviceLocked()) { 10877 Slog.i(LOG_TAG, "There are unaffiliated users, security and network logging will be " 10878 + "paused if enabled."); 10879 mSecurityLogMonitor.pause(); 10880 if (mNetworkLogger != null) { 10881 mNetworkLogger.pause(); 10882 } 10883 } 10884 } 10885 10886 /** Resumes security and network logging (if they are enabled) if all users are affiliated */ 10887 private void maybeResumeDeviceWideLoggingLocked() { 10888 if (areAllUsersAffiliatedWithDeviceLocked()) { 10889 final long ident = mInjector.binderClearCallingIdentity(); 10890 try { 10891 mSecurityLogMonitor.resume(); 10892 if (mNetworkLogger != null) { 10893 mNetworkLogger.resume(); 10894 } 10895 } finally { 10896 mInjector.binderRestoreCallingIdentity(ident); 10897 } 10898 } 10899 } 10900 10901 /** Deletes any security and network logs that might have been collected so far */ 10902 private void discardDeviceWideLogsLocked() { 10903 mSecurityLogMonitor.discardLogs(); 10904 if (mNetworkLogger != null) { 10905 mNetworkLogger.discardLogs(); 10906 } 10907 // TODO: We should discard pre-boot security logs here too, as otherwise those 10908 // logs (which might contain data from the user just removed) will be 10909 // available after next boot. 10910 } 10911 10912 @Override 10913 public boolean isNetworkLoggingEnabled(ComponentName admin) { 10914 if (!mHasFeature) { 10915 return false; 10916 } 10917 synchronized (this) { 10918 enforceDeviceOwnerOrManageUsers(); 10919 return isNetworkLoggingEnabledInternalLocked(); 10920 } 10921 } 10922 10923 private boolean isNetworkLoggingEnabledInternalLocked() { 10924 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10925 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 10926 } 10927 10928 /* 10929 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 10930 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 10931 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 10932 * 10933 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 10934 */ 10935 @Override 10936 public List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, long batchToken) { 10937 if (!mHasFeature) { 10938 return null; 10939 } 10940 Preconditions.checkNotNull(admin); 10941 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10942 10943 synchronized (this) { 10944 if (mNetworkLogger == null 10945 || !isNetworkLoggingEnabledInternalLocked()) { 10946 return null; 10947 } 10948 10949 final long currentTime = System.currentTimeMillis(); 10950 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10951 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 10952 policyData.mLastNetworkLogsRetrievalTime = currentTime; 10953 saveSettingsLocked(UserHandle.USER_SYSTEM); 10954 } 10955 return mNetworkLogger.retrieveLogs(batchToken); 10956 } 10957 } 10958 10959 private void sendNetworkLoggingNotificationLocked() { 10960 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10961 if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { 10962 return; 10963 } 10964 if (deviceOwner.numNetworkLoggingNotifications >= 10965 ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10966 return; 10967 } 10968 final long now = System.currentTimeMillis(); 10969 if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { 10970 return; 10971 } 10972 deviceOwner.numNetworkLoggingNotifications++; 10973 if (deviceOwner.numNetworkLoggingNotifications 10974 >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10975 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10976 } else { 10977 deviceOwner.lastNetworkLoggingNotificationTimeMs = now; 10978 } 10979 final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); 10980 intent.setPackage("com.android.systemui"); 10981 final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, 10982 UserHandle.CURRENT); 10983 Notification notification = 10984 new Notification.Builder(mContext, SystemNotificationChannels.DEVICE_ADMIN) 10985 .setSmallIcon(R.drawable.ic_info_outline) 10986 .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) 10987 .setContentText(mContext.getString(R.string.network_logging_notification_text)) 10988 .setTicker(mContext.getString(R.string.network_logging_notification_title)) 10989 .setShowWhen(true) 10990 .setContentIntent(pendingIntent) 10991 .setStyle(new Notification.BigTextStyle() 10992 .bigText(mContext.getString(R.string.network_logging_notification_text))) 10993 .build(); 10994 mInjector.getNotificationManager().notify(SystemMessage.NOTE_NETWORK_LOGGING, notification); 10995 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 10996 } 10997 10998 /** 10999 * Return the package name of owner in a given user. 11000 */ 11001 private String getOwnerPackageNameForUserLocked(int userId) { 11002 return mOwners.getDeviceOwnerUserId() == userId 11003 ? mOwners.getDeviceOwnerPackageName() 11004 : mOwners.getProfileOwnerPackage(userId); 11005 } 11006 11007 /** 11008 * @param rawIntent Original service intent specified by caller. It must be explicit. 11009 * @param expectedPackageName The expected package name of the resolved service. 11010 * @return Intent that have component explicitly set. {@code null} if no service is resolved 11011 * with the given intent. 11012 * @throws SecurityException if the intent is resolved to an invalid service. 11013 */ 11014 private Intent createCrossUserServiceIntent( 11015 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 11016 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 11017 ResolveInfo info = mIPackageManager.resolveService( 11018 rawIntent, 11019 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 11020 0, // flags 11021 targetUserId); 11022 if (info == null || info.serviceInfo == null) { 11023 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 11024 + " or user " + targetUserId + " is not running"); 11025 return null; 11026 } 11027 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 11028 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 11029 } 11030 // STOPSHIP(b/37624960): Remove info.serviceInfo.exported before release. 11031 if (info.serviceInfo.exported && !BIND_DEVICE_ADMIN.equals(info.serviceInfo.permission)) { 11032 throw new SecurityException( 11033 "Service must be protected by BIND_DEVICE_ADMIN permission"); 11034 } 11035 // It is the system server to bind the service, it would be extremely dangerous if it 11036 // can be exploited to bind any service. Set the component explicitly to make sure we 11037 // do not bind anything accidentally. 11038 rawIntent.setComponent(info.serviceInfo.getComponentName()); 11039 return rawIntent; 11040 } 11041 11042 @Override 11043 public long getLastSecurityLogRetrievalTime() { 11044 enforceDeviceOwnerOrManageUsers(); 11045 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 11046 } 11047 11048 @Override 11049 public long getLastBugReportRequestTime() { 11050 enforceDeviceOwnerOrManageUsers(); 11051 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 11052 } 11053 11054 @Override 11055 public long getLastNetworkLogRetrievalTime() { 11056 enforceDeviceOwnerOrManageUsers(); 11057 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 11058 } 11059 11060 @Override 11061 public boolean setResetPasswordToken(ComponentName admin, byte[] token) { 11062 if (!mHasFeature) { 11063 return false; 11064 } 11065 if (token == null || token.length < 32) { 11066 throw new IllegalArgumentException("token must be at least 32-byte long"); 11067 } 11068 synchronized (this) { 11069 final int userHandle = mInjector.userHandleGetCallingUserId(); 11070 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 11071 11072 DevicePolicyData policy = getUserData(userHandle); 11073 long ident = mInjector.binderClearCallingIdentity(); 11074 try { 11075 if (policy.mPasswordTokenHandle != 0) { 11076 mLockPatternUtils.removeEscrowToken(policy.mPasswordTokenHandle, userHandle); 11077 } 11078 11079 policy.mPasswordTokenHandle = mLockPatternUtils.addEscrowToken(token, userHandle); 11080 saveSettingsLocked(userHandle); 11081 return policy.mPasswordTokenHandle != 0; 11082 } finally { 11083 mInjector.binderRestoreCallingIdentity(ident); 11084 } 11085 } 11086 } 11087 11088 @Override 11089 public boolean clearResetPasswordToken(ComponentName admin) { 11090 if (!mHasFeature) { 11091 return false; 11092 } 11093 synchronized (this) { 11094 final int userHandle = mInjector.userHandleGetCallingUserId(); 11095 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 11096 11097 DevicePolicyData policy = getUserData(userHandle); 11098 if (policy.mPasswordTokenHandle != 0) { 11099 long ident = mInjector.binderClearCallingIdentity(); 11100 try { 11101 boolean result = mLockPatternUtils.removeEscrowToken( 11102 policy.mPasswordTokenHandle, userHandle); 11103 policy.mPasswordTokenHandle = 0; 11104 saveSettingsLocked(userHandle); 11105 return result; 11106 } finally { 11107 mInjector.binderRestoreCallingIdentity(ident); 11108 } 11109 } 11110 } 11111 return false; 11112 } 11113 11114 @Override 11115 public boolean isResetPasswordTokenActive(ComponentName admin) { 11116 synchronized (this) { 11117 final int userHandle = mInjector.userHandleGetCallingUserId(); 11118 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 11119 11120 DevicePolicyData policy = getUserData(userHandle); 11121 if (policy.mPasswordTokenHandle != 0) { 11122 long ident = mInjector.binderClearCallingIdentity(); 11123 try { 11124 return mLockPatternUtils.isEscrowTokenActive(policy.mPasswordTokenHandle, 11125 userHandle); 11126 } finally { 11127 mInjector.binderRestoreCallingIdentity(ident); 11128 } 11129 } 11130 } 11131 return false; 11132 } 11133 11134 @Override 11135 public boolean resetPasswordWithToken(ComponentName admin, String passwordOrNull, byte[] token, 11136 int flags) { 11137 Preconditions.checkNotNull(token); 11138 synchronized (this) { 11139 final int userHandle = mInjector.userHandleGetCallingUserId(); 11140 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 11141 11142 DevicePolicyData policy = getUserData(userHandle); 11143 if (policy.mPasswordTokenHandle != 0) { 11144 final String password = passwordOrNull != null ? passwordOrNull : ""; 11145 return resetPasswordInternal(password, policy.mPasswordTokenHandle, token, 11146 flags, mInjector.binderGetCallingUid(), userHandle); 11147 } else { 11148 Slog.w(LOG_TAG, "No saved token handle"); 11149 } 11150 } 11151 return false; 11152 } 11153 11154 @Override 11155 public boolean isCurrentInputMethodSetByOwner() { 11156 enforceProfileOwnerOrSystemUser(); 11157 return getUserData(mInjector.userHandleGetCallingUserId()).mCurrentInputMethodSet; 11158 } 11159 11160 @Override 11161 public StringParceledListSlice getOwnerInstalledCaCerts(@NonNull UserHandle user) { 11162 final int userId = user.getIdentifier(); 11163 enforceProfileOwnerOrFullCrossUsersPermission(userId); 11164 synchronized (this) { 11165 return new StringParceledListSlice( 11166 new ArrayList<>(getUserData(userId).mOwnerInstalledCaCerts)); 11167 } 11168 } 11169 } 11170
