DevicePolicyManagerService.java revision 99aeac27ebc5ad54c0095122251cc0258713c263
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 21import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 25import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 26import static org.xmlpull.v1.XmlPullParser.END_TAG; 27import static org.xmlpull.v1.XmlPullParser.TEXT; 28 29import android.Manifest.permission; 30import android.accessibilityservice.AccessibilityServiceInfo; 31import android.accounts.AccountManager; 32import android.app.Activity; 33import android.app.ActivityManagerNative; 34import android.app.AlarmManager; 35import android.app.AppGlobals; 36import android.app.IActivityManager; 37import android.app.Notification; 38import android.app.NotificationManager; 39import android.app.PendingIntent; 40import android.app.StatusBarManager; 41import android.app.admin.DeviceAdminInfo; 42import android.app.admin.DeviceAdminReceiver; 43import android.app.admin.DevicePolicyManager; 44import android.app.admin.DevicePolicyManagerInternal; 45import android.app.admin.IDevicePolicyManager; 46import android.app.admin.SystemUpdatePolicy; 47import android.app.backup.IBackupManager; 48import android.content.BroadcastReceiver; 49import android.content.ComponentName; 50import android.content.ContentResolver; 51import android.content.Context; 52import android.content.Intent; 53import android.content.IntentFilter; 54import android.content.pm.ActivityInfo; 55import android.content.pm.ApplicationInfo; 56import android.content.pm.IPackageManager; 57import android.content.pm.PackageManager; 58import android.content.pm.PackageManager.NameNotFoundException; 59import android.content.pm.ResolveInfo; 60import android.content.pm.ServiceInfo; 61import android.content.pm.UserInfo; 62import android.database.ContentObserver; 63import android.graphics.Bitmap; 64import android.media.AudioManager; 65import android.media.IAudioService; 66import android.net.ConnectivityManager; 67import android.net.ProxyInfo; 68import android.net.Uri; 69import android.os.AsyncTask; 70import android.os.Binder; 71import android.os.Bundle; 72import android.os.Environment; 73import android.os.FileUtils; 74import android.os.Handler; 75import android.os.IBinder; 76import android.os.PersistableBundle; 77import android.os.PowerManager; 78import android.os.PowerManagerInternal; 79import android.os.Process; 80import android.os.RecoverySystem; 81import android.os.RemoteCallback; 82import android.os.RemoteException; 83import android.os.ServiceManager; 84import android.os.SystemClock; 85import android.os.SystemProperties; 86import android.os.UserHandle; 87import android.os.UserManager; 88import android.os.storage.StorageManager; 89import android.provider.ContactsContract.QuickContact; 90import android.provider.ContactsInternal; 91import android.provider.Settings; 92import android.security.Credentials; 93import android.security.IKeyChainAliasCallback; 94import android.security.IKeyChainService; 95import android.security.KeyChain; 96import android.security.KeyChain.KeyChainConnection; 97import android.service.persistentdata.PersistentDataBlockManager; 98import android.text.TextUtils; 99import android.util.Log; 100import android.util.PrintWriterPrinter; 101import android.util.Printer; 102import android.util.Slog; 103import android.util.SparseArray; 104import android.util.Xml; 105import android.view.IWindowManager; 106import android.view.accessibility.AccessibilityManager; 107import android.view.accessibility.IAccessibilityManager; 108import android.view.inputmethod.InputMethodInfo; 109import android.view.inputmethod.InputMethodManager; 110 111import com.android.internal.R; 112import com.android.internal.statusbar.IStatusBarService; 113import com.android.internal.util.FastXmlSerializer; 114import com.android.internal.util.JournaledFile; 115import com.android.internal.util.Preconditions; 116import com.android.internal.util.XmlUtils; 117import com.android.internal.widget.LockPatternUtils; 118import com.android.server.LocalServices; 119import com.android.server.SystemService; 120import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 121 122import org.xmlpull.v1.XmlPullParser; 123import org.xmlpull.v1.XmlPullParserException; 124import org.xmlpull.v1.XmlSerializer; 125 126import java.io.ByteArrayInputStream; 127import java.io.File; 128import java.io.FileDescriptor; 129import java.io.FileInputStream; 130import java.io.FileNotFoundException; 131import java.io.FileOutputStream; 132import java.io.IOException; 133import java.io.PrintWriter; 134import java.nio.charset.StandardCharsets; 135import java.security.cert.CertificateException; 136import java.security.cert.CertificateFactory; 137import java.security.cert.X509Certificate; 138import java.text.DateFormat; 139import java.util.ArrayList; 140import java.util.Arrays; 141import java.util.Collections; 142import java.util.Date; 143import java.util.HashMap; 144import java.util.HashSet; 145import java.util.List; 146import java.util.Map.Entry; 147import java.util.Set; 148 149/** 150 * Implementation of the device policy APIs. 151 */ 152public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 153 154 private static final String LOG_TAG = "DevicePolicyManagerService"; 155 156 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 157 158 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 159 160 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 161 162 private static final String TAG_STATUS_BAR = "statusbar"; 163 164 private static final String ATTR_DISABLED = "disabled"; 165 166 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 167 "do-not-ask-credentials-on-boot"; 168 169 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 170 171 private static final long MS_PER_DAY = 86400 * 1000; 172 173 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 174 175 protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 176 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 177 178 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 179 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 180 181 private static final boolean DBG = false; 182 183 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 184 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 185 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 186 187 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 188 189 private static final int STATUS_BAR_DISABLE_MASK = 190 StatusBarManager.DISABLE_EXPAND | 191 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 192 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 193 StatusBarManager.DISABLE_SEARCH; 194 195 private static final int STATUS_BAR_DISABLE2_MASK = 196 StatusBarManager.DISABLE2_QUICK_SETTINGS; 197 198 private static final Set<String> DEVICE_OWNER_USER_RESTRICTIONS; 199 static { 200 DEVICE_OWNER_USER_RESTRICTIONS = new HashSet(); 201 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_USB_FILE_TRANSFER); 202 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_TETHERING); 203 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_NETWORK_RESET); 204 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_FACTORY_RESET); 205 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADD_USER); 206 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_CELL_BROADCASTS); 207 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS); 208 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_MOUNT_PHYSICAL_MEDIA); 209 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_UNMUTE_MICROPHONE); 210 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADJUST_VOLUME); 211 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SMS); 212 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_FUN); 213 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SAFE_BOOT); 214 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CREATE_WINDOWS); 215 } 216 217 // The following user restrictions cannot be changed by any active admin, including device 218 // owner and profile owner. 219 private static final Set<String> IMMUTABLE_USER_RESTRICTIONS; 220 static { 221 IMMUTABLE_USER_RESTRICTIONS = new HashSet(); 222 IMMUTABLE_USER_RESTRICTIONS.add(UserManager.DISALLOW_WALLPAPER); 223 } 224 225 private static final Set<String> SECURE_SETTINGS_WHITELIST; 226 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 227 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 228 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 229 static { 230 SECURE_SETTINGS_WHITELIST = new HashSet(); 231 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 232 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 233 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 234 235 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new HashSet(); 236 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 237 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 238 239 GLOBAL_SETTINGS_WHITELIST = new HashSet(); 240 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 241 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 242 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 243 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 244 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 245 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 246 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 247 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 248 249 GLOBAL_SETTINGS_DEPRECATED = new HashSet(); 250 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 251 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 252 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 253 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 254 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 255 } 256 257 // Keyguard features that when set of a profile will affect the profiles 258 // parent user. 259 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 260 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 261 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 262 263 // Keyguard features that are allowed to be set on a managed profile 264 private static final int PROFILE_KEYGUARD_FEATURES = 265 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER 266 | DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 267 268 final Context mContext; 269 final UserManager mUserManager; 270 final PowerManager.WakeLock mWakeLock; 271 272 final LocalService mLocalService; 273 274 final PowerManager mPowerManager; 275 final PowerManagerInternal mPowerManagerInternal; 276 277 IWindowManager mIWindowManager; 278 NotificationManager mNotificationManager; 279 280 // Stores and loads state on device and profile owners. 281 private final Owners mOwners; 282 283 private final Binder mToken = new Binder(); 284 285 /** 286 * Whether or not device admin feature is supported. If it isn't return defaults for all 287 * public methods. 288 */ 289 private boolean mHasFeature; 290 291 public static final class Lifecycle extends SystemService { 292 private DevicePolicyManagerService mService; 293 294 public Lifecycle(Context context) { 295 super(context); 296 mService = new DevicePolicyManagerService(context); 297 } 298 299 @Override 300 public void onStart() { 301 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 302 } 303 304 @Override 305 public void onBootPhase(int phase) { 306 if (phase == PHASE_LOCK_SETTINGS_READY) { 307 mService.systemReady(); 308 } 309 } 310 } 311 312 public static class DevicePolicyData { 313 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 314 int mActivePasswordLength = 0; 315 int mActivePasswordUpperCase = 0; 316 int mActivePasswordLowerCase = 0; 317 int mActivePasswordLetters = 0; 318 int mActivePasswordNumeric = 0; 319 int mActivePasswordSymbols = 0; 320 int mActivePasswordNonLetter = 0; 321 int mFailedPasswordAttempts = 0; 322 323 int mUserHandle; 324 int mPasswordOwner = -1; 325 long mLastMaximumTimeToLock = -1; 326 boolean mUserSetupComplete = false; 327 int mPermissionPolicy; 328 329 final HashMap<ComponentName, ActiveAdmin> mAdminMap = new HashMap<>(); 330 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 331 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 332 333 // This is the list of component allowed to start lock task mode. 334 List<String> mLockTaskPackages = new ArrayList<>(); 335 336 boolean mStatusBarDisabled = false; 337 338 ComponentName mRestrictionsProvider; 339 340 String mDelegatedCertInstallerPackage; 341 342 boolean doNotAskCredentialsOnBoot = false; 343 344 public DevicePolicyData(int userHandle) { 345 mUserHandle = userHandle; 346 } 347 } 348 349 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 350 351 Handler mHandler = new Handler(); 352 353 BroadcastReceiver mReceiver = new BroadcastReceiver() { 354 @Override 355 public void onReceive(Context context, Intent intent) { 356 final String action = intent.getAction(); 357 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 358 getSendingUserId()); 359 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 360 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 361 if (DBG) Slog.v(LOG_TAG, "Sending password expiration notifications for action " 362 + action + " for user " + userHandle); 363 mHandler.post(new Runnable() { 364 @Override 365 public void run() { 366 handlePasswordExpirationNotification(userHandle); 367 } 368 }); 369 } 370 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 371 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 372 new MonitoringCertNotificationTask().execute(intent); 373 } 374 if (Intent.ACTION_USER_REMOVED.equals(action)) { 375 removeUserData(userHandle); 376 } else if (Intent.ACTION_USER_STARTED.equals(action) 377 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 378 379 if (Intent.ACTION_USER_STARTED.equals(action)) { 380 // Reset the policy data 381 synchronized (DevicePolicyManagerService.this) { 382 mUserData.remove(userHandle); 383 } 384 } 385 handlePackagesChanged(null /* check all admins */, userHandle); 386 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 387 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 388 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 389 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 390 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 391 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 392 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 393 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 394 clearWipeProfileNotification(); 395 } 396 } 397 }; 398 399 static class ActiveAdmin { 400 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 401 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 402 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 403 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 404 = "disable-bt-contacts-sharing"; 405 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 406 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 407 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 408 private static final String TAG_ACCOUNT_TYPE = "account-type"; 409 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 410 = "permitted-accessiblity-services"; 411 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 412 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 413 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 414 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 415 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 416 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 417 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 418 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 419 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 420 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 421 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 422 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 423 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 424 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 425 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 426 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 427 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 428 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 429 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 430 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 431 private static final String ATTR_VALUE = "value"; 432 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 433 private static final String TAG_POLICIES = "policies"; 434 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 435 "cross-profile-widget-providers"; 436 private static final String TAG_PROVIDER = "provider"; 437 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 438 439 final DeviceAdminInfo info; 440 441 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 442 443 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 444 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 445 446 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 447 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 448 449 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 450 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 451 452 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 453 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 454 455 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 456 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 457 458 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 459 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 460 461 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 462 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 463 464 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 465 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 466 467 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 468 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 469 470 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 471 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 472 473 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 474 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 475 476 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 477 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 478 479 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 480 481 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 482 483 boolean encryptionRequested = false; 484 boolean disableCamera = false; 485 boolean disableCallerId = false; 486 boolean disableBluetoothContactSharing = true; 487 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 488 boolean requireAutoTime = false; // Can only be set by a device owner. 489 490 static class TrustAgentInfo { 491 public PersistableBundle options; 492 TrustAgentInfo(PersistableBundle bundle) { 493 options = bundle; 494 } 495 } 496 497 Set<String> accountTypesWithManagementDisabled = new HashSet<String>(); 498 499 // The list of permitted accessibility services package namesas set by a profile 500 // or device owner. Null means all accessibility services are allowed, empty means 501 // none except system services are allowed. 502 List<String> permittedAccessiblityServices; 503 504 // The list of permitted input methods package names as set by a profile or device owner. 505 // Null means all input methods are allowed, empty means none except system imes are 506 // allowed. 507 List<String> permittedInputMethods; 508 509 // TODO: review implementation decisions with frameworks team 510 boolean specifiesGlobalProxy = false; 511 String globalProxySpec = null; 512 String globalProxyExclusionList = null; 513 514 HashMap<String, TrustAgentInfo> trustAgentInfos = new HashMap<String, TrustAgentInfo>(); 515 516 List<String> crossProfileWidgetProviders; 517 518 ActiveAdmin(DeviceAdminInfo _info) { 519 info = _info; 520 } 521 522 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 523 524 public UserHandle getUserHandle() { 525 return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 526 } 527 528 void writeToXml(XmlSerializer out) 529 throws IllegalArgumentException, IllegalStateException, IOException { 530 out.startTag(null, TAG_POLICIES); 531 info.writePoliciesToXml(out); 532 out.endTag(null, TAG_POLICIES); 533 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 534 out.startTag(null, TAG_PASSWORD_QUALITY); 535 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 536 out.endTag(null, TAG_PASSWORD_QUALITY); 537 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 538 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 539 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 540 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 541 } 542 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 543 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 544 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 545 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 546 } 547 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 548 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 549 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 550 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 551 } 552 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 553 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 554 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 555 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 556 } 557 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 558 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 559 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 560 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 561 } 562 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 563 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 564 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 565 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 566 } 567 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 568 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 569 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 570 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 571 } 572 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 573 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 574 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 575 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 576 } 577 } 578 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 579 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 580 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 581 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 582 } 583 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 584 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 585 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 586 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 587 } 588 if (specifiesGlobalProxy) { 589 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 590 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 591 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 592 if (globalProxySpec != null) { 593 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 594 out.attribute(null, ATTR_VALUE, globalProxySpec); 595 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 596 } 597 if (globalProxyExclusionList != null) { 598 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 599 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 600 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 601 } 602 } 603 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 604 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 605 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 606 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 607 } 608 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 609 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 610 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 611 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 612 } 613 if (encryptionRequested) { 614 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 615 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 616 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 617 } 618 if (disableCamera) { 619 out.startTag(null, TAG_DISABLE_CAMERA); 620 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 621 out.endTag(null, TAG_DISABLE_CAMERA); 622 } 623 if (disableCallerId) { 624 out.startTag(null, TAG_DISABLE_CALLER_ID); 625 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 626 out.endTag(null, TAG_DISABLE_CALLER_ID); 627 } 628 if (disableBluetoothContactSharing) { 629 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 630 out.attribute(null, ATTR_VALUE, 631 Boolean.toString(disableBluetoothContactSharing)); 632 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 633 } 634 if (disableScreenCapture) { 635 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 636 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 637 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 638 } 639 if (requireAutoTime) { 640 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 641 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 642 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 643 } 644 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 645 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 646 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 647 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 648 } 649 if (!accountTypesWithManagementDisabled.isEmpty()) { 650 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 651 for (String ac : accountTypesWithManagementDisabled) { 652 out.startTag(null, TAG_ACCOUNT_TYPE); 653 out.attribute(null, ATTR_VALUE, ac); 654 out.endTag(null, TAG_ACCOUNT_TYPE); 655 } 656 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 657 } 658 if (!trustAgentInfos.isEmpty()) { 659 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 660 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 661 for (Entry<String, TrustAgentInfo> entry : set) { 662 TrustAgentInfo trustAgentInfo = entry.getValue(); 663 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 664 out.attribute(null, ATTR_VALUE, entry.getKey()); 665 if (trustAgentInfo.options != null) { 666 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 667 try { 668 trustAgentInfo.options.saveToXml(out); 669 } catch (XmlPullParserException e) { 670 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 671 } 672 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 673 } 674 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 675 } 676 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 677 } 678 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 679 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 680 final int providerCount = crossProfileWidgetProviders.size(); 681 for (int i = 0; i < providerCount; i++) { 682 String provider = crossProfileWidgetProviders.get(i); 683 out.startTag(null, TAG_PROVIDER); 684 out.attribute(null, ATTR_VALUE, provider); 685 out.endTag(null, TAG_PROVIDER); 686 } 687 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 688 } 689 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 690 permittedAccessiblityServices); 691 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 692 } 693 694 void writePackageListToXml(XmlSerializer out, String outerTag, 695 List<String> packageList) 696 throws IllegalArgumentException, IllegalStateException, IOException { 697 if (packageList == null) { 698 return; 699 } 700 701 out.startTag(null, outerTag); 702 for (String packageName : packageList) { 703 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 704 out.attribute(null, ATTR_VALUE, packageName); 705 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 706 } 707 out.endTag(null, outerTag); 708 } 709 710 void readFromXml(XmlPullParser parser) 711 throws XmlPullParserException, IOException { 712 int outerDepth = parser.getDepth(); 713 int type; 714 while ((type=parser.next()) != END_DOCUMENT 715 && (type != END_TAG || parser.getDepth() > outerDepth)) { 716 if (type == END_TAG || type == TEXT) { 717 continue; 718 } 719 String tag = parser.getName(); 720 if (TAG_POLICIES.equals(tag)) { 721 info.readPoliciesFromXml(parser); 722 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 723 passwordQuality = Integer.parseInt( 724 parser.getAttributeValue(null, ATTR_VALUE)); 725 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 726 minimumPasswordLength = Integer.parseInt( 727 parser.getAttributeValue(null, ATTR_VALUE)); 728 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 729 passwordHistoryLength = Integer.parseInt( 730 parser.getAttributeValue(null, ATTR_VALUE)); 731 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 732 minimumPasswordUpperCase = Integer.parseInt( 733 parser.getAttributeValue(null, ATTR_VALUE)); 734 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 735 minimumPasswordLowerCase = Integer.parseInt( 736 parser.getAttributeValue(null, ATTR_VALUE)); 737 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 738 minimumPasswordLetters = Integer.parseInt( 739 parser.getAttributeValue(null, ATTR_VALUE)); 740 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 741 minimumPasswordNumeric = Integer.parseInt( 742 parser.getAttributeValue(null, ATTR_VALUE)); 743 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 744 minimumPasswordSymbols = Integer.parseInt( 745 parser.getAttributeValue(null, ATTR_VALUE)); 746 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 747 minimumPasswordNonLetter = Integer.parseInt( 748 parser.getAttributeValue(null, ATTR_VALUE)); 749 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 750 maximumTimeToUnlock = Long.parseLong( 751 parser.getAttributeValue(null, ATTR_VALUE)); 752 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 753 maximumFailedPasswordsForWipe = Integer.parseInt( 754 parser.getAttributeValue(null, ATTR_VALUE)); 755 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 756 specifiesGlobalProxy = Boolean.parseBoolean( 757 parser.getAttributeValue(null, ATTR_VALUE)); 758 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 759 globalProxySpec = 760 parser.getAttributeValue(null, ATTR_VALUE); 761 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 762 globalProxyExclusionList = 763 parser.getAttributeValue(null, ATTR_VALUE); 764 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 765 passwordExpirationTimeout = Long.parseLong( 766 parser.getAttributeValue(null, ATTR_VALUE)); 767 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 768 passwordExpirationDate = Long.parseLong( 769 parser.getAttributeValue(null, ATTR_VALUE)); 770 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 771 encryptionRequested = Boolean.parseBoolean( 772 parser.getAttributeValue(null, ATTR_VALUE)); 773 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 774 disableCamera = Boolean.parseBoolean( 775 parser.getAttributeValue(null, ATTR_VALUE)); 776 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 777 disableCallerId = Boolean.parseBoolean( 778 parser.getAttributeValue(null, ATTR_VALUE)); 779 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 780 disableBluetoothContactSharing = Boolean.parseBoolean(parser 781 .getAttributeValue(null, ATTR_VALUE)); 782 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 783 disableScreenCapture = Boolean.parseBoolean( 784 parser.getAttributeValue(null, ATTR_VALUE)); 785 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 786 requireAutoTime= Boolean.parseBoolean( 787 parser.getAttributeValue(null, ATTR_VALUE)); 788 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 789 disabledKeyguardFeatures = Integer.parseInt( 790 parser.getAttributeValue(null, ATTR_VALUE)); 791 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 792 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 793 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 794 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 795 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 796 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 797 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 798 permittedAccessiblityServices = readPackageList(parser, tag); 799 } else if (TAG_PERMITTED_IMES.equals(tag)) { 800 permittedInputMethods = readPackageList(parser, tag); 801 } else { 802 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 803 XmlUtils.skipCurrentTag(parser); 804 } 805 } 806 } 807 808 private List<String> readPackageList(XmlPullParser parser, 809 String tag) throws XmlPullParserException, IOException { 810 List<String> result = new ArrayList<String>(); 811 int outerDepth = parser.getDepth(); 812 int outerType; 813 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 814 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 815 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 816 continue; 817 } 818 String outerTag = parser.getName(); 819 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 820 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 821 if (packageName != null) { 822 result.add(packageName); 823 } else { 824 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 825 } 826 } else { 827 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 828 } 829 } 830 return result; 831 } 832 833 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 834 throws XmlPullParserException, IOException { 835 int outerDepthDAM = parser.getDepth(); 836 int typeDAM; 837 Set<String> result = new HashSet<String>(); 838 while ((typeDAM=parser.next()) != END_DOCUMENT 839 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 840 if (typeDAM == END_TAG || typeDAM == TEXT) { 841 continue; 842 } 843 String tagDAM = parser.getName(); 844 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 845 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 846 } else { 847 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 848 } 849 } 850 return result; 851 } 852 853 private HashMap<String, TrustAgentInfo> getAllTrustAgentInfos( 854 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 855 int outerDepthDAM = parser.getDepth(); 856 int typeDAM; 857 HashMap<String, TrustAgentInfo> result = new HashMap<String, TrustAgentInfo>(); 858 while ((typeDAM=parser.next()) != END_DOCUMENT 859 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 860 if (typeDAM == END_TAG || typeDAM == TEXT) { 861 continue; 862 } 863 String tagDAM = parser.getName(); 864 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 865 final String component = parser.getAttributeValue(null, ATTR_VALUE); 866 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 867 result.put(component, trustAgentInfo); 868 } else { 869 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 870 } 871 } 872 return result; 873 } 874 875 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 876 throws XmlPullParserException, IOException { 877 int outerDepthDAM = parser.getDepth(); 878 int typeDAM; 879 TrustAgentInfo result = new TrustAgentInfo(null); 880 while ((typeDAM=parser.next()) != END_DOCUMENT 881 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 882 if (typeDAM == END_TAG || typeDAM == TEXT) { 883 continue; 884 } 885 String tagDAM = parser.getName(); 886 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 887 PersistableBundle bundle = new PersistableBundle(); 888 bundle.restoreFromXml(parser); 889 result.options = bundle; 890 } else { 891 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 892 } 893 } 894 return result; 895 } 896 897 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 898 throws XmlPullParserException, IOException { 899 int outerDepthDAM = parser.getDepth(); 900 int typeDAM; 901 ArrayList<String> result = null; 902 while ((typeDAM=parser.next()) != END_DOCUMENT 903 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 904 if (typeDAM == END_TAG || typeDAM == TEXT) { 905 continue; 906 } 907 String tagDAM = parser.getName(); 908 if (TAG_PROVIDER.equals(tagDAM)) { 909 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 910 if (result == null) { 911 result = new ArrayList<>(); 912 } 913 result.add(provider); 914 } else { 915 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 916 } 917 } 918 return result; 919 } 920 921 void dump(String prefix, PrintWriter pw) { 922 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 923 pw.print(prefix); pw.println("policies:"); 924 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 925 if (pols != null) { 926 for (int i=0; i<pols.size(); i++) { 927 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 928 } 929 } 930 pw.print(prefix); pw.print("passwordQuality=0x"); 931 pw.println(Integer.toHexString(passwordQuality)); 932 pw.print(prefix); pw.print("minimumPasswordLength="); 933 pw.println(minimumPasswordLength); 934 pw.print(prefix); pw.print("passwordHistoryLength="); 935 pw.println(passwordHistoryLength); 936 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 937 pw.println(minimumPasswordUpperCase); 938 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 939 pw.println(minimumPasswordLowerCase); 940 pw.print(prefix); pw.print("minimumPasswordLetters="); 941 pw.println(minimumPasswordLetters); 942 pw.print(prefix); pw.print("minimumPasswordNumeric="); 943 pw.println(minimumPasswordNumeric); 944 pw.print(prefix); pw.print("minimumPasswordSymbols="); 945 pw.println(minimumPasswordSymbols); 946 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 947 pw.println(minimumPasswordNonLetter); 948 pw.print(prefix); pw.print("maximumTimeToUnlock="); 949 pw.println(maximumTimeToUnlock); 950 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 951 pw.println(maximumFailedPasswordsForWipe); 952 pw.print(prefix); pw.print("specifiesGlobalProxy="); 953 pw.println(specifiesGlobalProxy); 954 pw.print(prefix); pw.print("passwordExpirationTimeout="); 955 pw.println(passwordExpirationTimeout); 956 pw.print(prefix); pw.print("passwordExpirationDate="); 957 pw.println(passwordExpirationDate); 958 if (globalProxySpec != null) { 959 pw.print(prefix); pw.print("globalProxySpec="); 960 pw.println(globalProxySpec); 961 } 962 if (globalProxyExclusionList != null) { 963 pw.print(prefix); pw.print("globalProxyEclusionList="); 964 pw.println(globalProxyExclusionList); 965 } 966 pw.print(prefix); pw.print("encryptionRequested="); 967 pw.println(encryptionRequested); 968 pw.print(prefix); pw.print("disableCamera="); 969 pw.println(disableCamera); 970 pw.print(prefix); pw.print("disableCallerId="); 971 pw.println(disableCallerId); 972 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 973 pw.println(disableBluetoothContactSharing); 974 pw.print(prefix); pw.print("disableScreenCapture="); 975 pw.println(disableScreenCapture); 976 pw.print(prefix); pw.print("requireAutoTime="); 977 pw.println(requireAutoTime); 978 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 979 pw.println(disabledKeyguardFeatures); 980 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 981 pw.println(crossProfileWidgetProviders); 982 if (!(permittedAccessiblityServices == null)) { 983 pw.print(prefix); pw.print("permittedAccessibilityServices="); 984 pw.println(permittedAccessiblityServices.toString()); 985 } 986 if (!(permittedInputMethods == null)) { 987 pw.print(prefix); pw.print("permittedInputMethods="); 988 pw.println(permittedInputMethods.toString()); 989 } 990 } 991 } 992 993 private void handlePackagesChanged(String packageName, int userHandle) { 994 boolean removed = false; 995 if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 996 DevicePolicyData policy = getUserData(userHandle); 997 IPackageManager pm = AppGlobals.getPackageManager(); 998 synchronized (this) { 999 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1000 ActiveAdmin aa = policy.mAdminList.get(i); 1001 try { 1002 // If we're checking all packages or if the specific one we're checking matches, 1003 // then check if the package and receiver still exist. 1004 final String adminPackage = aa.info.getPackageName(); 1005 if (packageName == null || packageName.equals(adminPackage)) { 1006 if (pm.getPackageInfo(adminPackage, 0, userHandle) == null 1007 || pm.getReceiverInfo(aa.info.getComponent(), 0, userHandle) 1008 == null) { 1009 removed = true; 1010 policy.mAdminList.remove(i); 1011 policy.mAdminMap.remove(aa.info.getComponent()); 1012 } 1013 } 1014 } catch (RemoteException re) { 1015 // Shouldn't happen 1016 } 1017 } 1018 if (removed) { 1019 validatePasswordOwnerLocked(policy); 1020 syncDeviceCapabilitiesLocked(policy); 1021 saveSettingsLocked(policy.mUserHandle); 1022 } 1023 1024 if (policy.mDelegatedCertInstallerPackage != null && 1025 (packageName == null 1026 || packageName.equals(policy.mDelegatedCertInstallerPackage))) { 1027 try { 1028 // Check if delegated cert installer package is removed. 1029 if (pm.getPackageInfo( 1030 policy.mDelegatedCertInstallerPackage, 0, userHandle) == null) { 1031 policy.mDelegatedCertInstallerPackage = null; 1032 saveSettingsLocked(policy.mUserHandle); 1033 } 1034 } catch (RemoteException e) { 1035 // Shouldn't happen 1036 } 1037 } 1038 } 1039 } 1040 1041 /** 1042 * Instantiates the service. 1043 */ 1044 public DevicePolicyManagerService(Context context) { 1045 mContext = context; 1046 mOwners = new Owners(mContext); 1047 mUserManager = UserManager.get(mContext); 1048 mHasFeature = context.getPackageManager().hasSystemFeature( 1049 PackageManager.FEATURE_DEVICE_ADMIN); 1050 mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 1051 mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class); 1052 mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM"); 1053 mLocalService = new LocalService(); 1054 if (!mHasFeature) { 1055 // Skip the rest of the initialization 1056 return; 1057 } 1058 IntentFilter filter = new IntentFilter(); 1059 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1060 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1061 filter.addAction(Intent.ACTION_USER_REMOVED); 1062 filter.addAction(Intent.ACTION_USER_STARTED); 1063 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1064 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1065 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1066 filter = new IntentFilter(); 1067 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1068 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1069 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1070 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1071 filter.addDataScheme("package"); 1072 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1073 filter = new IntentFilter(); 1074 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1075 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1076 1077 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1078 } 1079 1080 /** 1081 * Creates and loads the policy data from xml. 1082 * @param userHandle the user for whom to load the policy data 1083 * @return 1084 */ 1085 DevicePolicyData getUserData(int userHandle) { 1086 synchronized (this) { 1087 DevicePolicyData policy = mUserData.get(userHandle); 1088 if (policy == null) { 1089 policy = new DevicePolicyData(userHandle); 1090 mUserData.append(userHandle, policy); 1091 loadSettingsLocked(policy, userHandle); 1092 } 1093 return policy; 1094 } 1095 } 1096 1097 /** 1098 * Creates and loads the policy data from xml for data that is shared between 1099 * various profiles of a user. In contrast to {@link #getUserData(int)} 1100 * it allows access to data of users other than the calling user. 1101 * 1102 * This function should only be used for shared data, e.g. everything regarding 1103 * passwords and should be removed once multiple screen locks are present. 1104 * @param userHandle the user for whom to load the policy data 1105 * @return 1106 */ 1107 DevicePolicyData getUserDataUnchecked(int userHandle) { 1108 long ident = Binder.clearCallingIdentity(); 1109 try { 1110 return getUserData(userHandle); 1111 } finally { 1112 Binder.restoreCallingIdentity(ident); 1113 } 1114 } 1115 1116 void removeUserData(int userHandle) { 1117 synchronized (this) { 1118 if (userHandle == UserHandle.USER_OWNER) { 1119 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1120 return; 1121 } 1122 mOwners.removeProfileOwner(userHandle); 1123 mOwners.writeProfileOwner(userHandle); 1124 1125 DevicePolicyData policy = mUserData.get(userHandle); 1126 if (policy != null) { 1127 mUserData.remove(userHandle); 1128 } 1129 File policyFile = new File(Environment.getUserSystemDirectory(userHandle), 1130 DEVICE_POLICIES_XML); 1131 policyFile.delete(); 1132 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1133 } 1134 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1135 } 1136 1137 void loadDeviceOwner() { 1138 synchronized (this) { 1139 mOwners.load(); 1140 updateDeviceOwnerLocked(); 1141 } 1142 } 1143 1144 /** 1145 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1146 * reminders. Clears alarm if no expirations are configured. 1147 */ 1148 protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { 1149 final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); 1150 final long now = System.currentTimeMillis(); 1151 final long timeToExpire = expiration - now; 1152 final long alarmTime; 1153 if (expiration == 0) { 1154 // No expirations are currently configured: Cancel alarm. 1155 alarmTime = 0; 1156 } else if (timeToExpire <= 0) { 1157 // The password has already expired: Repeat every 24 hours. 1158 alarmTime = now + MS_PER_DAY; 1159 } else { 1160 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1161 // the expiration time. 1162 long alarmInterval = timeToExpire % MS_PER_DAY; 1163 if (alarmInterval == 0) { 1164 alarmInterval = MS_PER_DAY; 1165 } 1166 alarmTime = now + alarmInterval; 1167 } 1168 1169 long token = Binder.clearCallingIdentity(); 1170 try { 1171 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1172 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1173 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1174 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1175 new UserHandle(policy.mUserHandle)); 1176 am.cancel(pi); 1177 if (alarmTime != 0) { 1178 am.set(AlarmManager.RTC, alarmTime, pi); 1179 } 1180 } finally { 1181 Binder.restoreCallingIdentity(token); 1182 } 1183 } 1184 1185 private IWindowManager getWindowManager() { 1186 if (mIWindowManager == null) { 1187 IBinder b = ServiceManager.getService(Context.WINDOW_SERVICE); 1188 mIWindowManager = IWindowManager.Stub.asInterface(b); 1189 } 1190 return mIWindowManager; 1191 } 1192 1193 private NotificationManager getNotificationManager() { 1194 if (mNotificationManager == null) { 1195 mNotificationManager = 1196 (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); 1197 } 1198 return mNotificationManager; 1199 } 1200 1201 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1202 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1203 if (admin != null 1204 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1205 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1206 return admin; 1207 } 1208 return null; 1209 } 1210 1211 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1212 throws SecurityException { 1213 final int callingUid = Binder.getCallingUid(); 1214 1215 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1216 if (result != null) { 1217 return result; 1218 } 1219 1220 if (who != null) { 1221 final int userId = UserHandle.getUserId(callingUid); 1222 final DevicePolicyData policy = getUserData(userId); 1223 ActiveAdmin admin = policy.mAdminMap.get(who); 1224 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1225 throw new SecurityException("Admin " + admin.info.getComponent() 1226 + " does not own the device"); 1227 } 1228 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1229 throw new SecurityException("Admin " + admin.info.getComponent() 1230 + " does not own the profile"); 1231 } 1232 throw new SecurityException("Admin " + admin.info.getComponent() 1233 + " did not specify uses-policy for: " 1234 + admin.info.getTagForPolicy(reqPolicy)); 1235 } else { 1236 throw new SecurityException("No active admin owned by uid " 1237 + Binder.getCallingUid() + " for policy #" + reqPolicy); 1238 } 1239 } 1240 1241 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1242 int uid) { 1243 // Try to find an admin which can use reqPolicy 1244 final int userId = UserHandle.getUserId(uid); 1245 final DevicePolicyData policy = getUserData(userId); 1246 if (who != null) { 1247 ActiveAdmin admin = policy.mAdminMap.get(who); 1248 if (admin == null) { 1249 throw new SecurityException("No active admin " + who); 1250 } 1251 if (admin.getUid() != uid) { 1252 throw new SecurityException("Admin " + who + " is not owned by uid " 1253 + Binder.getCallingUid()); 1254 } 1255 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1256 return admin; 1257 } 1258 } else { 1259 for (ActiveAdmin admin : policy.mAdminList) { 1260 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 1261 userId)) { 1262 return admin; 1263 } 1264 } 1265 } 1266 1267 return null; 1268 } 1269 1270 private boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 1271 int userId) { 1272 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 1273 boolean ownsProfile = (getProfileOwner(userId) != null 1274 && getProfileOwner(userId).getPackageName() 1275 .equals(admin.info.getPackageName())); 1276 boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) 1277 && !hasUserSetupCompleted(userId); 1278 1279 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1280 if ((userId == UserHandle.USER_OWNER && (ownsDevice || ownsInitialization)) 1281 || (ownsDevice && ownsProfile)) { 1282 return true; 1283 } 1284 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1285 if ((userId == UserHandle.USER_OWNER && ownsDevice) || ownsProfile 1286 || ownsInitialization) { 1287 return true; 1288 } 1289 } else { 1290 if (admin.info.usesPolicy(reqPolicy)) { 1291 return true; 1292 } 1293 } 1294 return false; 1295 } 1296 1297 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1298 sendAdminCommandLocked(admin, action, null); 1299 } 1300 1301 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1302 sendAdminCommandLocked(admin, action, null, result); 1303 } 1304 1305 /** 1306 * Send an update to one specific admin, get notified when that admin returns a result. 1307 */ 1308 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1309 BroadcastReceiver result) { 1310 Intent intent = new Intent(action); 1311 intent.setComponent(admin.info.getComponent()); 1312 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1313 intent.putExtra("expiration", admin.passwordExpirationDate); 1314 } 1315 if (adminExtras != null) { 1316 intent.putExtras(adminExtras); 1317 } 1318 if (result != null) { 1319 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1320 null, result, mHandler, Activity.RESULT_OK, null, null); 1321 } else { 1322 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 1323 } 1324 } 1325 1326 /** 1327 * Send an update to all admins of a user that enforce a specified policy. 1328 */ 1329 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 1330 final DevicePolicyData policy = getUserData(userHandle); 1331 final int count = policy.mAdminList.size(); 1332 if (count > 0) { 1333 for (int i = 0; i < count; i++) { 1334 final ActiveAdmin admin = policy.mAdminList.get(i); 1335 if (admin.info.usesPolicy(reqPolicy)) { 1336 sendAdminCommandLocked(admin, action); 1337 } 1338 } 1339 } 1340 } 1341 1342 /** 1343 * Send an update intent to all admins of a user and its profiles. Only send to admins that 1344 * enforce a specified policy. 1345 */ 1346 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 1347 int userHandle) { 1348 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1349 for (UserInfo ui : profiles) { 1350 int id = ui.id; 1351 sendAdminCommandLocked(action, reqPolicy, id); 1352 } 1353 } 1354 1355 void removeActiveAdminLocked(final ComponentName adminReceiver, int userHandle) { 1356 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1357 if (admin != null) { 1358 synchronized (this) { 1359 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 1360 } 1361 sendAdminCommandLocked(admin, 1362 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 1363 new BroadcastReceiver() { 1364 @Override 1365 public void onReceive(Context context, Intent intent) { 1366 synchronized (DevicePolicyManagerService.this) { 1367 int userHandle = admin.getUserHandle().getIdentifier(); 1368 DevicePolicyData policy = getUserData(userHandle); 1369 boolean doProxyCleanup = admin.info.usesPolicy( 1370 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 1371 policy.mAdminList.remove(admin); 1372 policy.mAdminMap.remove(adminReceiver); 1373 validatePasswordOwnerLocked(policy); 1374 syncDeviceCapabilitiesLocked(policy); 1375 if (doProxyCleanup) { 1376 resetGlobalProxyLocked(getUserData(userHandle)); 1377 } 1378 saveSettingsLocked(userHandle); 1379 updateMaximumTimeToLockLocked(policy); 1380 policy.mRemovingAdmins.remove(adminReceiver); 1381 } 1382 } 1383 }); 1384 } 1385 } 1386 1387 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle) { 1388 if (!mHasFeature) { 1389 return null; 1390 } 1391 enforceCrossUserPermission(userHandle); 1392 Intent resolveIntent = new Intent(); 1393 resolveIntent.setComponent(adminName); 1394 List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceivers( 1395 resolveIntent, 1396 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1397 userHandle); 1398 if (infos == null || infos.size() <= 0) { 1399 throw new IllegalArgumentException("Unknown admin: " + adminName); 1400 } 1401 1402 try { 1403 return new DeviceAdminInfo(mContext, infos.get(0)); 1404 } catch (XmlPullParserException e) { 1405 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1406 e); 1407 return null; 1408 } catch (IOException e) { 1409 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1410 e); 1411 return null; 1412 } 1413 } 1414 1415 private static JournaledFile makeJournaledFile(int userHandle) { 1416 final String base = userHandle == 0 1417 ? "/data/system/" + DEVICE_POLICIES_XML 1418 : new File(Environment.getUserSystemDirectory(userHandle), DEVICE_POLICIES_XML) 1419 .getAbsolutePath(); 1420 return new JournaledFile(new File(base), new File(base + ".tmp")); 1421 } 1422 1423 private void saveSettingsLocked(int userHandle) { 1424 DevicePolicyData policy = getUserData(userHandle); 1425 JournaledFile journal = makeJournaledFile(userHandle); 1426 FileOutputStream stream = null; 1427 try { 1428 stream = new FileOutputStream(journal.chooseForWrite(), false); 1429 XmlSerializer out = new FastXmlSerializer(); 1430 out.setOutput(stream, StandardCharsets.UTF_8.name()); 1431 out.startDocument(null, true); 1432 1433 out.startTag(null, "policies"); 1434 if (policy.mRestrictionsProvider != null) { 1435 out.attribute(null, ATTR_PERMISSION_PROVIDER, 1436 policy.mRestrictionsProvider.flattenToString()); 1437 } 1438 if (policy.mUserSetupComplete) { 1439 out.attribute(null, ATTR_SETUP_COMPLETE, 1440 Boolean.toString(true)); 1441 } 1442 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 1443 out.attribute(null, ATTR_PERMISSION_POLICY, 1444 Integer.toString(policy.mPermissionPolicy)); 1445 } 1446 if (policy.mDelegatedCertInstallerPackage != null) { 1447 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 1448 policy.mDelegatedCertInstallerPackage); 1449 } 1450 1451 final int N = policy.mAdminList.size(); 1452 for (int i=0; i<N; i++) { 1453 ActiveAdmin ap = policy.mAdminList.get(i); 1454 if (ap != null) { 1455 out.startTag(null, "admin"); 1456 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 1457 ap.writeToXml(out); 1458 out.endTag(null, "admin"); 1459 } 1460 } 1461 1462 if (policy.mPasswordOwner >= 0) { 1463 out.startTag(null, "password-owner"); 1464 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 1465 out.endTag(null, "password-owner"); 1466 } 1467 1468 if (policy.mFailedPasswordAttempts != 0) { 1469 out.startTag(null, "failed-password-attempts"); 1470 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 1471 out.endTag(null, "failed-password-attempts"); 1472 } 1473 1474 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 1475 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 1476 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 1477 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 1478 out.startTag(null, "active-password"); 1479 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 1480 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 1481 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 1482 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 1483 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 1484 out.attribute(null, "numeric", Integer 1485 .toString(policy.mActivePasswordNumeric)); 1486 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 1487 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 1488 out.endTag(null, "active-password"); 1489 } 1490 1491 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 1492 String component = policy.mLockTaskPackages.get(i); 1493 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 1494 out.attribute(null, "name", component); 1495 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 1496 } 1497 1498 if (policy.mStatusBarDisabled) { 1499 out.startTag(null, TAG_STATUS_BAR); 1500 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 1501 out.endTag(null, TAG_STATUS_BAR); 1502 } 1503 1504 if (policy.doNotAskCredentialsOnBoot) { 1505 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 1506 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 1507 } 1508 1509 out.endTag(null, "policies"); 1510 1511 out.endDocument(); 1512 stream.flush(); 1513 FileUtils.sync(stream); 1514 stream.close(); 1515 journal.commit(); 1516 sendChangedNotification(userHandle); 1517 } catch (IOException e) { 1518 try { 1519 if (stream != null) { 1520 stream.close(); 1521 } 1522 } catch (IOException ex) { 1523 // Ignore 1524 } 1525 journal.rollback(); 1526 } 1527 } 1528 1529 private void sendChangedNotification(int userHandle) { 1530 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 1531 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 1532 long ident = Binder.clearCallingIdentity(); 1533 try { 1534 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 1535 } finally { 1536 Binder.restoreCallingIdentity(ident); 1537 } 1538 } 1539 1540 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 1541 JournaledFile journal = makeJournaledFile(userHandle); 1542 FileInputStream stream = null; 1543 File file = journal.chooseForRead(); 1544 try { 1545 stream = new FileInputStream(file); 1546 XmlPullParser parser = Xml.newPullParser(); 1547 parser.setInput(stream, StandardCharsets.UTF_8.name()); 1548 1549 int type; 1550 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1551 && type != XmlPullParser.START_TAG) { 1552 } 1553 String tag = parser.getName(); 1554 if (!"policies".equals(tag)) { 1555 throw new XmlPullParserException( 1556 "Settings do not start with policies tag: found " + tag); 1557 } 1558 1559 // Extract the permission provider component name if available 1560 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 1561 if (permissionProvider != null) { 1562 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 1563 } 1564 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 1565 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 1566 policy.mUserSetupComplete = true; 1567 } 1568 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 1569 if (!TextUtils.isEmpty(permissionPolicy)) { 1570 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 1571 } 1572 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 1573 ATTR_DELEGATED_CERT_INSTALLER); 1574 1575 type = parser.next(); 1576 int outerDepth = parser.getDepth(); 1577 policy.mLockTaskPackages.clear(); 1578 policy.mAdminList.clear(); 1579 policy.mAdminMap.clear(); 1580 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1581 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1582 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 1583 continue; 1584 } 1585 tag = parser.getName(); 1586 if ("admin".equals(tag)) { 1587 String name = parser.getAttributeValue(null, "name"); 1588 try { 1589 DeviceAdminInfo dai = findAdmin( 1590 ComponentName.unflattenFromString(name), userHandle); 1591 if (DBG && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 1592 != userHandle)) { 1593 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 1594 + dai.getActivityInfo().applicationInfo.uid + " for user " 1595 + userHandle); 1596 } 1597 if (dai != null) { 1598 ActiveAdmin ap = new ActiveAdmin(dai); 1599 ap.readFromXml(parser); 1600 policy.mAdminMap.put(ap.info.getComponent(), ap); 1601 } 1602 } catch (RuntimeException e) { 1603 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 1604 } 1605 } else if ("failed-password-attempts".equals(tag)) { 1606 policy.mFailedPasswordAttempts = Integer.parseInt( 1607 parser.getAttributeValue(null, "value")); 1608 } else if ("password-owner".equals(tag)) { 1609 policy.mPasswordOwner = Integer.parseInt( 1610 parser.getAttributeValue(null, "value")); 1611 } else if ("active-password".equals(tag)) { 1612 policy.mActivePasswordQuality = Integer.parseInt( 1613 parser.getAttributeValue(null, "quality")); 1614 policy.mActivePasswordLength = Integer.parseInt( 1615 parser.getAttributeValue(null, "length")); 1616 policy.mActivePasswordUpperCase = Integer.parseInt( 1617 parser.getAttributeValue(null, "uppercase")); 1618 policy.mActivePasswordLowerCase = Integer.parseInt( 1619 parser.getAttributeValue(null, "lowercase")); 1620 policy.mActivePasswordLetters = Integer.parseInt( 1621 parser.getAttributeValue(null, "letters")); 1622 policy.mActivePasswordNumeric = Integer.parseInt( 1623 parser.getAttributeValue(null, "numeric")); 1624 policy.mActivePasswordSymbols = Integer.parseInt( 1625 parser.getAttributeValue(null, "symbols")); 1626 policy.mActivePasswordNonLetter = Integer.parseInt( 1627 parser.getAttributeValue(null, "nonletter")); 1628 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 1629 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 1630 } else if (TAG_STATUS_BAR.equals(tag)) { 1631 policy.mStatusBarDisabled = Boolean.parseBoolean( 1632 parser.getAttributeValue(null, ATTR_DISABLED)); 1633 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 1634 policy.doNotAskCredentialsOnBoot = true; 1635 } else { 1636 Slog.w(LOG_TAG, "Unknown tag: " + tag); 1637 XmlUtils.skipCurrentTag(parser); 1638 } 1639 } 1640 } catch (NullPointerException e) { 1641 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1642 } catch (NumberFormatException e) { 1643 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1644 } catch (XmlPullParserException e) { 1645 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1646 } catch (FileNotFoundException e) { 1647 // Don't be noisy, this is normal if we haven't defined any policies. 1648 } catch (IOException e) { 1649 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1650 } catch (IndexOutOfBoundsException e) { 1651 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1652 } 1653 try { 1654 if (stream != null) { 1655 stream.close(); 1656 } 1657 } catch (IOException e) { 1658 // Ignore 1659 } 1660 1661 // Generate a list of admins from the admin map 1662 policy.mAdminList.addAll(policy.mAdminMap.values()); 1663 1664 // Validate that what we stored for the password quality matches 1665 // sufficiently what is currently set. Note that this is only 1666 // a sanity check in case the two get out of sync; this should 1667 // never normally happen. 1668 final long identity = Binder.clearCallingIdentity(); 1669 try { 1670 LockPatternUtils utils = new LockPatternUtils(mContext); 1671 if (utils.getActivePasswordQuality(userHandle) < policy.mActivePasswordQuality) { 1672 Slog.w(LOG_TAG, "Active password quality 0x" 1673 + Integer.toHexString(policy.mActivePasswordQuality) 1674 + " does not match actual quality 0x" 1675 + Integer.toHexString(utils.getActivePasswordQuality(userHandle))); 1676 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1677 policy.mActivePasswordLength = 0; 1678 policy.mActivePasswordUpperCase = 0; 1679 policy.mActivePasswordLowerCase = 0; 1680 policy.mActivePasswordLetters = 0; 1681 policy.mActivePasswordNumeric = 0; 1682 policy.mActivePasswordSymbols = 0; 1683 policy.mActivePasswordNonLetter = 0; 1684 } 1685 } finally { 1686 Binder.restoreCallingIdentity(identity); 1687 } 1688 1689 validatePasswordOwnerLocked(policy); 1690 syncDeviceCapabilitiesLocked(policy); 1691 updateMaximumTimeToLockLocked(policy); 1692 addDeviceInitializerToLockTaskPackagesLocked(userHandle); 1693 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 1694 if (policy.mStatusBarDisabled) { 1695 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 1696 } 1697 } 1698 1699 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 1700 IActivityManager am = ActivityManagerNative.getDefault(); 1701 long ident = Binder.clearCallingIdentity(); 1702 try { 1703 am.updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 1704 } catch (RemoteException e) { 1705 // Not gonna happen. 1706 } finally { 1707 Binder.restoreCallingIdentity(ident); 1708 } 1709 } 1710 1711 private void updateDeviceOwnerLocked() { 1712 IActivityManager am = ActivityManagerNative.getDefault(); 1713 long ident = Binder.clearCallingIdentity(); 1714 try { 1715 am.updateDeviceOwner(getDeviceOwner()); 1716 } catch (RemoteException e) { 1717 // Not gonna happen. 1718 } finally { 1719 Binder.restoreCallingIdentity(ident); 1720 } 1721 } 1722 1723 static void validateQualityConstant(int quality) { 1724 switch (quality) { 1725 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 1726 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 1727 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 1728 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 1729 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 1730 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 1731 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 1732 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 1733 return; 1734 } 1735 throw new IllegalArgumentException("Invalid quality constant: 0x" 1736 + Integer.toHexString(quality)); 1737 } 1738 1739 void validatePasswordOwnerLocked(DevicePolicyData policy) { 1740 if (policy.mPasswordOwner >= 0) { 1741 boolean haveOwner = false; 1742 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1743 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 1744 haveOwner = true; 1745 break; 1746 } 1747 } 1748 if (!haveOwner) { 1749 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 1750 + " no longer active; disabling"); 1751 policy.mPasswordOwner = -1; 1752 } 1753 } 1754 } 1755 1756 /** 1757 * Pushes down policy information to the system for any policies related to general device 1758 * capabilities that need to be enforced by lower level services (e.g. Camera services). 1759 */ 1760 void syncDeviceCapabilitiesLocked(DevicePolicyData policy) { 1761 // Ensure the status of the camera is synced down to the system. Interested native services 1762 // should monitor this value and act accordingly. 1763 String cameraPropertyForUser = SYSTEM_PROP_DISABLE_CAMERA_PREFIX + policy.mUserHandle; 1764 boolean systemState = SystemProperties.getBoolean(cameraPropertyForUser, false); 1765 boolean cameraDisabled = getCameraDisabled(null, policy.mUserHandle); 1766 if (cameraDisabled != systemState) { 1767 long token = Binder.clearCallingIdentity(); 1768 try { 1769 String value = cameraDisabled ? "1" : "0"; 1770 if (DBG) Slog.v(LOG_TAG, "Change in camera state [" 1771 + cameraPropertyForUser + "] = " + value); 1772 SystemProperties.set(cameraPropertyForUser, value); 1773 } finally { 1774 Binder.restoreCallingIdentity(token); 1775 } 1776 } 1777 } 1778 1779 public void systemReady() { 1780 if (!mHasFeature) { 1781 return; 1782 } 1783 getUserData(UserHandle.USER_OWNER); 1784 loadDeviceOwner(); 1785 cleanUpOldUsers(); 1786 // Register an observer for watching for user setup complete. 1787 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 1788 // Initialize the user setup state, to handle the upgrade case. 1789 updateUserSetupComplete(); 1790 1791 // Update the screen capture disabled cache in the window manager 1792 List<UserInfo> users = mUserManager.getUsers(true); 1793 final int N = users.size(); 1794 for (int i = 0; i < N; i++) { 1795 int userHandle = users.get(i).id; 1796 updateScreenCaptureDisabledInWindowManager(userHandle, 1797 getScreenCaptureDisabled(null, userHandle)); 1798 } 1799 } 1800 1801 private void cleanUpOldUsers() { 1802 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 1803 // before reboot 1804 Set<Integer> usersWithProfileOwners; 1805 Set<Integer> usersWithData; 1806 synchronized(this) { 1807 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 1808 usersWithData = new HashSet<Integer>(); 1809 for (int i = 0; i < mUserData.size(); i++) { 1810 usersWithData.add(mUserData.keyAt(i)); 1811 } 1812 } 1813 List<UserInfo> allUsers = mUserManager.getUsers(); 1814 1815 Set<Integer> deletedUsers = new HashSet<Integer>(); 1816 deletedUsers.addAll(usersWithProfileOwners); 1817 deletedUsers.addAll(usersWithData); 1818 for (UserInfo userInfo : allUsers) { 1819 deletedUsers.remove(userInfo.id); 1820 } 1821 for (Integer userId : deletedUsers) { 1822 removeUserData(userId); 1823 } 1824 } 1825 1826 private void handlePasswordExpirationNotification(int userHandle) { 1827 synchronized (this) { 1828 final long now = System.currentTimeMillis(); 1829 1830 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1831 for (UserInfo ui : profiles) { 1832 int profileUserHandle = ui.id; 1833 final DevicePolicyData policy = getUserData(profileUserHandle); 1834 final int count = policy.mAdminList.size(); 1835 if (count > 0) { 1836 for (int i = 0; i < count; i++) { 1837 final ActiveAdmin admin = policy.mAdminList.get(i); 1838 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 1839 && admin.passwordExpirationTimeout > 0L 1840 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 1841 && admin.passwordExpirationDate > 0L) { 1842 sendAdminCommandLocked(admin, 1843 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 1844 } 1845 } 1846 } 1847 } 1848 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 1849 } 1850 } 1851 1852 private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { 1853 @Override 1854 protected Void doInBackground(Intent... params) { 1855 int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 1856 1857 if (userHandle == UserHandle.USER_ALL) { 1858 for (UserInfo userInfo : mUserManager.getUsers()) { 1859 manageNotification(userInfo.getUserHandle()); 1860 } 1861 } else { 1862 manageNotification(new UserHandle(userHandle)); 1863 } 1864 return null; 1865 } 1866 1867 private void manageNotification(UserHandle userHandle) { 1868 if (!mUserManager.isUserRunning(userHandle)) { 1869 return; 1870 } 1871 1872 // Call out to KeyChain to check for user-added CAs 1873 boolean hasCert = false; 1874 try { 1875 KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); 1876 try { 1877 if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { 1878 hasCert = true; 1879 } 1880 } catch (RemoteException e) { 1881 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1882 } finally { 1883 kcs.close(); 1884 } 1885 } catch (InterruptedException e) { 1886 Thread.currentThread().interrupt(); 1887 } catch (RuntimeException e) { 1888 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1889 } 1890 if (!hasCert) { 1891 getNotificationManager().cancelAsUser( 1892 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 1893 return; 1894 } 1895 1896 // Build and show a warning notification 1897 int smallIconId; 1898 String contentText; 1899 final String ownerName = getDeviceOwnerName(); 1900 if (isManagedProfile(userHandle.getIdentifier())) { 1901 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); 1902 smallIconId = R.drawable.stat_sys_certificate_info; 1903 } else if (ownerName != null) { 1904 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); 1905 smallIconId = R.drawable.stat_sys_certificate_info; 1906 } else { 1907 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 1908 smallIconId = android.R.drawable.stat_sys_warning; 1909 } 1910 1911 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 1912 dialogIntent.setFlags( 1913 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 1914 dialogIntent.setPackage("com.android.settings"); 1915 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 1916 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 1917 1918 final Context userContext; 1919 try { 1920 userContext = mContext.createPackageContextAsUser("android", 0, userHandle); 1921 } catch (PackageManager.NameNotFoundException e) { 1922 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 1923 return; 1924 } 1925 final Notification noti = new Notification.Builder(userContext) 1926 .setSmallIcon(smallIconId) 1927 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 1928 .setContentText(contentText) 1929 .setContentIntent(notifyIntent) 1930 .setPriority(Notification.PRIORITY_HIGH) 1931 .setShowWhen(false) 1932 .setColor(mContext.getColor( 1933 com.android.internal.R.color.system_notification_accent_color)) 1934 .build(); 1935 1936 getNotificationManager().notifyAsUser( 1937 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 1938 } 1939 } 1940 1941 /** 1942 * @param adminReceiver The admin to add 1943 * @param refreshing true = update an active admin, no error 1944 */ 1945 @Override 1946 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 1947 if (!mHasFeature) { 1948 return; 1949 } 1950 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 1951 } 1952 1953 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 1954 Bundle onEnableData) { 1955 mContext.enforceCallingOrSelfPermission( 1956 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1957 enforceCrossUserPermission(userHandle); 1958 1959 DevicePolicyData policy = getUserData(userHandle); 1960 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle); 1961 if (info == null) { 1962 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 1963 } 1964 synchronized (this) { 1965 long ident = Binder.clearCallingIdentity(); 1966 try { 1967 if (!refreshing 1968 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 1969 throw new IllegalArgumentException("Admin is already added"); 1970 } 1971 ActiveAdmin newAdmin = new ActiveAdmin(info); 1972 policy.mAdminMap.put(adminReceiver, newAdmin); 1973 int replaceIndex = -1; 1974 final int N = policy.mAdminList.size(); 1975 for (int i=0; i < N; i++) { 1976 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 1977 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 1978 replaceIndex = i; 1979 break; 1980 } 1981 } 1982 if (replaceIndex == -1) { 1983 policy.mAdminList.add(newAdmin); 1984 enableIfNecessary(info.getPackageName(), userHandle); 1985 } else { 1986 policy.mAdminList.set(replaceIndex, newAdmin); 1987 } 1988 saveSettingsLocked(userHandle); 1989 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 1990 onEnableData, null); 1991 } finally { 1992 Binder.restoreCallingIdentity(ident); 1993 } 1994 } 1995 } 1996 1997 @Override 1998 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 1999 if (!mHasFeature) { 2000 return false; 2001 } 2002 enforceCrossUserPermission(userHandle); 2003 synchronized (this) { 2004 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2005 } 2006 } 2007 2008 @Override 2009 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2010 if (!mHasFeature) { 2011 return false; 2012 } 2013 enforceCrossUserPermission(userHandle); 2014 synchronized (this) { 2015 DevicePolicyData policyData = getUserData(userHandle); 2016 return policyData.mRemovingAdmins.contains(adminReceiver); 2017 } 2018 } 2019 2020 @Override 2021 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2022 if (!mHasFeature) { 2023 return false; 2024 } 2025 enforceCrossUserPermission(userHandle); 2026 synchronized (this) { 2027 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2028 if (administrator == null) { 2029 throw new SecurityException("No active admin " + adminReceiver); 2030 } 2031 return administrator.info.usesPolicy(policyId); 2032 } 2033 } 2034 2035 @Override 2036 @SuppressWarnings("unchecked") 2037 public List<ComponentName> getActiveAdmins(int userHandle) { 2038 if (!mHasFeature) { 2039 return Collections.EMPTY_LIST; 2040 } 2041 2042 enforceCrossUserPermission(userHandle); 2043 synchronized (this) { 2044 DevicePolicyData policy = getUserData(userHandle); 2045 final int N = policy.mAdminList.size(); 2046 if (N <= 0) { 2047 return null; 2048 } 2049 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2050 for (int i=0; i<N; i++) { 2051 res.add(policy.mAdminList.get(i).info.getComponent()); 2052 } 2053 return res; 2054 } 2055 } 2056 2057 @Override 2058 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2059 if (!mHasFeature) { 2060 return false; 2061 } 2062 enforceCrossUserPermission(userHandle); 2063 synchronized (this) { 2064 DevicePolicyData policy = getUserData(userHandle); 2065 final int N = policy.mAdminList.size(); 2066 for (int i=0; i<N; i++) { 2067 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2068 return true; 2069 } 2070 } 2071 return false; 2072 } 2073 } 2074 2075 @Override 2076 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2077 if (!mHasFeature) { 2078 return; 2079 } 2080 enforceCrossUserPermission(userHandle); 2081 synchronized (this) { 2082 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2083 if (admin == null) { 2084 return; 2085 } 2086 if (admin.getUid() != Binder.getCallingUid()) { 2087 // Active device owners must remain active admins. 2088 if (isDeviceOwner(adminReceiver.getPackageName())) { 2089 return; 2090 } 2091 mContext.enforceCallingOrSelfPermission( 2092 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2093 } 2094 long ident = Binder.clearCallingIdentity(); 2095 try { 2096 removeActiveAdminLocked(adminReceiver, userHandle); 2097 } finally { 2098 Binder.restoreCallingIdentity(ident); 2099 } 2100 } 2101 } 2102 2103 @Override 2104 public void setPasswordQuality(ComponentName who, int quality) { 2105 if (!mHasFeature) { 2106 return; 2107 } 2108 Preconditions.checkNotNull(who, "ComponentName is null"); 2109 final int userHandle = UserHandle.getCallingUserId(); 2110 validateQualityConstant(quality); 2111 2112 synchronized (this) { 2113 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2114 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2115 if (ap.passwordQuality != quality) { 2116 ap.passwordQuality = quality; 2117 saveSettingsLocked(userHandle); 2118 } 2119 } 2120 } 2121 2122 @Override 2123 public int getPasswordQuality(ComponentName who, int userHandle) { 2124 if (!mHasFeature) { 2125 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2126 } 2127 enforceCrossUserPermission(userHandle); 2128 synchronized (this) { 2129 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2130 2131 if (who != null) { 2132 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2133 return admin != null ? admin.passwordQuality : mode; 2134 } 2135 2136 // Return strictest policy for this user and profiles that are visible from this user. 2137 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2138 for (UserInfo userInfo : profiles) { 2139 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2140 final int N = policy.mAdminList.size(); 2141 for (int i=0; i<N; i++) { 2142 ActiveAdmin admin = policy.mAdminList.get(i); 2143 if (mode < admin.passwordQuality) { 2144 mode = admin.passwordQuality; 2145 } 2146 } 2147 } 2148 return mode; 2149 } 2150 } 2151 2152 @Override 2153 public void setPasswordMinimumLength(ComponentName who, int length) { 2154 if (!mHasFeature) { 2155 return; 2156 } 2157 Preconditions.checkNotNull(who, "ComponentName is null"); 2158 final int userHandle = UserHandle.getCallingUserId(); 2159 synchronized (this) { 2160 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2161 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2162 if (ap.minimumPasswordLength != length) { 2163 ap.minimumPasswordLength = length; 2164 saveSettingsLocked(userHandle); 2165 } 2166 } 2167 } 2168 2169 @Override 2170 public int getPasswordMinimumLength(ComponentName who, int userHandle) { 2171 if (!mHasFeature) { 2172 return 0; 2173 } 2174 enforceCrossUserPermission(userHandle); 2175 synchronized (this) { 2176 int length = 0; 2177 2178 if (who != null) { 2179 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2180 return admin != null ? admin.minimumPasswordLength : length; 2181 } 2182 2183 // Return strictest policy for this user and profiles that are visible from this user. 2184 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2185 for (UserInfo userInfo : profiles) { 2186 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2187 final int N = policy.mAdminList.size(); 2188 for (int i=0; i<N; i++) { 2189 ActiveAdmin admin = policy.mAdminList.get(i); 2190 if (length < admin.minimumPasswordLength) { 2191 length = admin.minimumPasswordLength; 2192 } 2193 } 2194 } 2195 return length; 2196 } 2197 } 2198 2199 @Override 2200 public void setPasswordHistoryLength(ComponentName who, int length) { 2201 if (!mHasFeature) { 2202 return; 2203 } 2204 Preconditions.checkNotNull(who, "ComponentName is null"); 2205 final int userHandle = UserHandle.getCallingUserId(); 2206 synchronized (this) { 2207 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2208 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2209 if (ap.passwordHistoryLength != length) { 2210 ap.passwordHistoryLength = length; 2211 saveSettingsLocked(userHandle); 2212 } 2213 } 2214 } 2215 2216 @Override 2217 public int getPasswordHistoryLength(ComponentName who, int userHandle) { 2218 if (!mHasFeature) { 2219 return 0; 2220 } 2221 enforceCrossUserPermission(userHandle); 2222 synchronized (this) { 2223 int length = 0; 2224 2225 if (who != null) { 2226 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2227 return admin != null ? admin.passwordHistoryLength : length; 2228 } 2229 2230 // Return strictest policy for this user and profiles that are visible from this user. 2231 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2232 for (UserInfo userInfo : profiles) { 2233 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2234 final int N = policy.mAdminList.size(); 2235 for (int i = 0; i < N; i++) { 2236 ActiveAdmin admin = policy.mAdminList.get(i); 2237 if (length < admin.passwordHistoryLength) { 2238 length = admin.passwordHistoryLength; 2239 } 2240 } 2241 } 2242 return length; 2243 } 2244 } 2245 2246 @Override 2247 public void setPasswordExpirationTimeout(ComponentName who, long timeout) { 2248 if (!mHasFeature) { 2249 return; 2250 } 2251 Preconditions.checkNotNull(who, "ComponentName is null"); 2252 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 2253 final int userHandle = UserHandle.getCallingUserId(); 2254 synchronized (this) { 2255 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2256 DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); 2257 // Calling this API automatically bumps the expiration date 2258 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 2259 ap.passwordExpirationDate = expiration; 2260 ap.passwordExpirationTimeout = timeout; 2261 if (timeout > 0L) { 2262 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 2263 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 2264 .format(new Date(expiration))); 2265 } 2266 saveSettingsLocked(userHandle); 2267 // in case this is the first one 2268 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 2269 } 2270 } 2271 2272 /** 2273 * Return a single admin's expiration cycle time, or the min of all cycle times. 2274 * Returns 0 if not configured. 2275 */ 2276 @Override 2277 public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { 2278 if (!mHasFeature) { 2279 return 0L; 2280 } 2281 enforceCrossUserPermission(userHandle); 2282 synchronized (this) { 2283 long timeout = 0L; 2284 2285 if (who != null) { 2286 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2287 return admin != null ? admin.passwordExpirationTimeout : timeout; 2288 } 2289 2290 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2291 for (UserInfo userInfo : profiles) { 2292 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2293 final int N = policy.mAdminList.size(); 2294 for (int i = 0; i < N; i++) { 2295 ActiveAdmin admin = policy.mAdminList.get(i); 2296 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 2297 && timeout > admin.passwordExpirationTimeout)) { 2298 timeout = admin.passwordExpirationTimeout; 2299 } 2300 } 2301 } 2302 return timeout; 2303 } 2304 } 2305 2306 @Override 2307 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2308 final int userId = UserHandle.getCallingUserId(); 2309 List<String> changedProviders = null; 2310 2311 synchronized (this) { 2312 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2313 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2314 if (activeAdmin.crossProfileWidgetProviders == null) { 2315 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 2316 } 2317 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2318 if (!providers.contains(packageName)) { 2319 providers.add(packageName); 2320 changedProviders = new ArrayList<>(providers); 2321 saveSettingsLocked(userId); 2322 } 2323 } 2324 2325 if (changedProviders != null) { 2326 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2327 return true; 2328 } 2329 2330 return false; 2331 } 2332 2333 @Override 2334 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2335 final int userId = UserHandle.getCallingUserId(); 2336 List<String> changedProviders = null; 2337 2338 synchronized (this) { 2339 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2340 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2341 if (activeAdmin.crossProfileWidgetProviders == null) { 2342 return false; 2343 } 2344 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2345 if (providers.remove(packageName)) { 2346 changedProviders = new ArrayList<>(providers); 2347 saveSettingsLocked(userId); 2348 } 2349 } 2350 2351 if (changedProviders != null) { 2352 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2353 return true; 2354 } 2355 2356 return false; 2357 } 2358 2359 @Override 2360 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 2361 synchronized (this) { 2362 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2363 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2364 if (activeAdmin.crossProfileWidgetProviders == null 2365 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 2366 return null; 2367 } 2368 if (Binder.getCallingUid() == Process.myUid()) { 2369 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 2370 } else { 2371 return activeAdmin.crossProfileWidgetProviders; 2372 } 2373 } 2374 } 2375 2376 /** 2377 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 2378 * Returns 0 if not configured. 2379 */ 2380 private long getPasswordExpirationLocked(ComponentName who, int userHandle) { 2381 long timeout = 0L; 2382 2383 if (who != null) { 2384 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2385 return admin != null ? admin.passwordExpirationDate : timeout; 2386 } 2387 2388 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2389 for (UserInfo userInfo : profiles) { 2390 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2391 final int N = policy.mAdminList.size(); 2392 for (int i = 0; i < N; i++) { 2393 ActiveAdmin admin = policy.mAdminList.get(i); 2394 if (timeout == 0L || (admin.passwordExpirationDate != 0 2395 && timeout > admin.passwordExpirationDate)) { 2396 timeout = admin.passwordExpirationDate; 2397 } 2398 } 2399 } 2400 return timeout; 2401 } 2402 2403 @Override 2404 public long getPasswordExpiration(ComponentName who, int userHandle) { 2405 if (!mHasFeature) { 2406 return 0L; 2407 } 2408 enforceCrossUserPermission(userHandle); 2409 synchronized (this) { 2410 return getPasswordExpirationLocked(who, userHandle); 2411 } 2412 } 2413 2414 @Override 2415 public void setPasswordMinimumUpperCase(ComponentName who, int length) { 2416 if (!mHasFeature) { 2417 return; 2418 } 2419 Preconditions.checkNotNull(who, "ComponentName is null"); 2420 final int userHandle = UserHandle.getCallingUserId(); 2421 synchronized (this) { 2422 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2423 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2424 if (ap.minimumPasswordUpperCase != length) { 2425 ap.minimumPasswordUpperCase = length; 2426 saveSettingsLocked(userHandle); 2427 } 2428 } 2429 } 2430 2431 @Override 2432 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { 2433 if (!mHasFeature) { 2434 return 0; 2435 } 2436 enforceCrossUserPermission(userHandle); 2437 synchronized (this) { 2438 int length = 0; 2439 2440 if (who != null) { 2441 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2442 return admin != null ? admin.minimumPasswordUpperCase : length; 2443 } 2444 2445 // Return strictest policy for this user and profiles that are visible from this user. 2446 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2447 for (UserInfo userInfo : profiles) { 2448 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2449 final int N = policy.mAdminList.size(); 2450 for (int i=0; i<N; i++) { 2451 ActiveAdmin admin = policy.mAdminList.get(i); 2452 if (length < admin.minimumPasswordUpperCase) { 2453 length = admin.minimumPasswordUpperCase; 2454 } 2455 } 2456 } 2457 return length; 2458 } 2459 } 2460 2461 @Override 2462 public void setPasswordMinimumLowerCase(ComponentName who, int length) { 2463 Preconditions.checkNotNull(who, "ComponentName is null"); 2464 final int userHandle = UserHandle.getCallingUserId(); 2465 synchronized (this) { 2466 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2467 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2468 if (ap.minimumPasswordLowerCase != length) { 2469 ap.minimumPasswordLowerCase = length; 2470 saveSettingsLocked(userHandle); 2471 } 2472 } 2473 } 2474 2475 @Override 2476 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { 2477 if (!mHasFeature) { 2478 return 0; 2479 } 2480 enforceCrossUserPermission(userHandle); 2481 synchronized (this) { 2482 int length = 0; 2483 2484 if (who != null) { 2485 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2486 return admin != null ? admin.minimumPasswordLowerCase : length; 2487 } 2488 2489 // Return strictest policy for this user and profiles that are visible from this user. 2490 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2491 for (UserInfo userInfo : profiles) { 2492 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2493 final int N = policy.mAdminList.size(); 2494 for (int i=0; i<N; i++) { 2495 ActiveAdmin admin = policy.mAdminList.get(i); 2496 if (length < admin.minimumPasswordLowerCase) { 2497 length = admin.minimumPasswordLowerCase; 2498 } 2499 } 2500 } 2501 return length; 2502 } 2503 } 2504 2505 @Override 2506 public void setPasswordMinimumLetters(ComponentName who, int length) { 2507 if (!mHasFeature) { 2508 return; 2509 } 2510 Preconditions.checkNotNull(who, "ComponentName is null"); 2511 final int userHandle = UserHandle.getCallingUserId(); 2512 synchronized (this) { 2513 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2514 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2515 if (ap.minimumPasswordLetters != length) { 2516 ap.minimumPasswordLetters = length; 2517 saveSettingsLocked(userHandle); 2518 } 2519 } 2520 } 2521 2522 @Override 2523 public int getPasswordMinimumLetters(ComponentName who, int userHandle) { 2524 if (!mHasFeature) { 2525 return 0; 2526 } 2527 enforceCrossUserPermission(userHandle); 2528 synchronized (this) { 2529 int length = 0; 2530 2531 if (who != null) { 2532 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2533 return admin != null ? admin.minimumPasswordLetters : length; 2534 } 2535 2536 // Return strictest policy for this user and profiles that are visible from this user. 2537 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2538 for (UserInfo userInfo : profiles) { 2539 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2540 final int N = policy.mAdminList.size(); 2541 for (int i=0; i<N; i++) { 2542 ActiveAdmin admin = policy.mAdminList.get(i); 2543 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2544 continue; 2545 } 2546 if (length < admin.minimumPasswordLetters) { 2547 length = admin.minimumPasswordLetters; 2548 } 2549 } 2550 } 2551 return length; 2552 } 2553 } 2554 2555 @Override 2556 public void setPasswordMinimumNumeric(ComponentName who, int length) { 2557 if (!mHasFeature) { 2558 return; 2559 } 2560 Preconditions.checkNotNull(who, "ComponentName is null"); 2561 final int userHandle = UserHandle.getCallingUserId(); 2562 synchronized (this) { 2563 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2564 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2565 if (ap.minimumPasswordNumeric != length) { 2566 ap.minimumPasswordNumeric = length; 2567 saveSettingsLocked(userHandle); 2568 } 2569 } 2570 } 2571 2572 @Override 2573 public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { 2574 if (!mHasFeature) { 2575 return 0; 2576 } 2577 enforceCrossUserPermission(userHandle); 2578 synchronized (this) { 2579 int length = 0; 2580 2581 if (who != null) { 2582 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2583 return admin != null ? admin.minimumPasswordNumeric : length; 2584 } 2585 2586 // Return strictest policy for this user and profiles that are visible from this user. 2587 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2588 for (UserInfo userInfo : profiles) { 2589 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2590 final int N = policy.mAdminList.size(); 2591 for (int i = 0; i < N; i++) { 2592 ActiveAdmin admin = policy.mAdminList.get(i); 2593 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2594 continue; 2595 } 2596 if (length < admin.minimumPasswordNumeric) { 2597 length = admin.minimumPasswordNumeric; 2598 } 2599 } 2600 } 2601 return length; 2602 } 2603 } 2604 2605 @Override 2606 public void setPasswordMinimumSymbols(ComponentName who, int length) { 2607 if (!mHasFeature) { 2608 return; 2609 } 2610 Preconditions.checkNotNull(who, "ComponentName is null"); 2611 final int userHandle = UserHandle.getCallingUserId(); 2612 synchronized (this) { 2613 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2614 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2615 if (ap.minimumPasswordSymbols != length) { 2616 ap.minimumPasswordSymbols = length; 2617 saveSettingsLocked(userHandle); 2618 } 2619 } 2620 } 2621 2622 @Override 2623 public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { 2624 if (!mHasFeature) { 2625 return 0; 2626 } 2627 enforceCrossUserPermission(userHandle); 2628 synchronized (this) { 2629 int length = 0; 2630 2631 if (who != null) { 2632 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2633 return admin != null ? admin.minimumPasswordSymbols : length; 2634 } 2635 2636 // Return strictest policy for this user and profiles that are visible from this user. 2637 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2638 for (UserInfo userInfo : profiles) { 2639 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2640 final int N = policy.mAdminList.size(); 2641 for (int i=0; i<N; i++) { 2642 ActiveAdmin admin = policy.mAdminList.get(i); 2643 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2644 continue; 2645 } 2646 if (length < admin.minimumPasswordSymbols) { 2647 length = admin.minimumPasswordSymbols; 2648 } 2649 } 2650 } 2651 return length; 2652 } 2653 } 2654 2655 @Override 2656 public void setPasswordMinimumNonLetter(ComponentName who, int length) { 2657 if (!mHasFeature) { 2658 return; 2659 } 2660 Preconditions.checkNotNull(who, "ComponentName is null"); 2661 final int userHandle = UserHandle.getCallingUserId(); 2662 synchronized (this) { 2663 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2664 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2665 if (ap.minimumPasswordNonLetter != length) { 2666 ap.minimumPasswordNonLetter = length; 2667 saveSettingsLocked(userHandle); 2668 } 2669 } 2670 } 2671 2672 @Override 2673 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { 2674 if (!mHasFeature) { 2675 return 0; 2676 } 2677 enforceCrossUserPermission(userHandle); 2678 synchronized (this) { 2679 int length = 0; 2680 2681 if (who != null) { 2682 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2683 return admin != null ? admin.minimumPasswordNonLetter : length; 2684 } 2685 2686 // Return strictest policy for this user and profiles that are visible from this user. 2687 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2688 for (UserInfo userInfo : profiles) { 2689 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2690 final int N = policy.mAdminList.size(); 2691 for (int i=0; i<N; i++) { 2692 ActiveAdmin admin = policy.mAdminList.get(i); 2693 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2694 continue; 2695 } 2696 if (length < admin.minimumPasswordNonLetter) { 2697 length = admin.minimumPasswordNonLetter; 2698 } 2699 } 2700 } 2701 return length; 2702 } 2703 } 2704 2705 @Override 2706 public boolean isActivePasswordSufficient(int userHandle) { 2707 if (!mHasFeature) { 2708 return true; 2709 } 2710 enforceCrossUserPermission(userHandle); 2711 2712 synchronized (this) { 2713 2714 // The active password is stored in the user that runs the launcher 2715 // If the user this is called from is part of a profile group, that is the parent 2716 // of the group. 2717 UserInfo parent = getProfileParent(userHandle); 2718 int id = (parent == null) ? userHandle : parent.id; 2719 DevicePolicyData policy = getUserDataUnchecked(id); 2720 2721 // This API can only be called by an active device admin, 2722 // so try to retrieve it to check that the caller is one. 2723 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2724 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle) 2725 || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { 2726 return false; 2727 } 2728 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2729 return true; 2730 } 2731 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) 2732 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) 2733 && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) 2734 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) 2735 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) 2736 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); 2737 } 2738 } 2739 2740 @Override 2741 public int getCurrentFailedPasswordAttempts(int userHandle) { 2742 synchronized (this) { 2743 // This API can only be called by an active device admin, 2744 // so try to retrieve it to check that the caller is one. 2745 getActiveAdminForCallerLocked(null, 2746 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2747 2748 // The active password is stored in the parent. 2749 UserInfo parent = getProfileParent(userHandle); 2750 int id = (parent == null) ? userHandle : parent.id; 2751 DevicePolicyData policy = getUserDataUnchecked(id); 2752 2753 return policy.mFailedPasswordAttempts; 2754 } 2755 } 2756 2757 @Override 2758 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num) { 2759 if (!mHasFeature) { 2760 return; 2761 } 2762 Preconditions.checkNotNull(who, "ComponentName is null"); 2763 final int userHandle = UserHandle.getCallingUserId(); 2764 synchronized (this) { 2765 // This API can only be called by an active device admin, 2766 // so try to retrieve it to check that the caller is one. 2767 getActiveAdminForCallerLocked(who, 2768 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2769 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2770 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2771 if (ap.maximumFailedPasswordsForWipe != num) { 2772 ap.maximumFailedPasswordsForWipe = num; 2773 saveSettingsLocked(userHandle); 2774 } 2775 } 2776 } 2777 2778 @Override 2779 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { 2780 if (!mHasFeature) { 2781 return 0; 2782 } 2783 enforceCrossUserPermission(userHandle); 2784 synchronized (this) { 2785 ActiveAdmin admin = (who != null) ? getActiveAdminUncheckedLocked(who, userHandle) 2786 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2787 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 2788 } 2789 } 2790 2791 @Override 2792 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle) { 2793 if (!mHasFeature) { 2794 return UserHandle.USER_NULL; 2795 } 2796 enforceCrossUserPermission(userHandle); 2797 synchronized (this) { 2798 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2799 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 2800 } 2801 } 2802 2803 /** 2804 * Returns the admin with the strictest policy on maximum failed passwords for this user and all 2805 * profiles that are visible from this user. If the policy for the primary and any other profile 2806 * are equal, it returns the admin for the primary profile. 2807 * Returns {@code null} if none of them have that policy set. 2808 */ 2809 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked(int userHandle) { 2810 int count = 0; 2811 ActiveAdmin strictestAdmin = null; 2812 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2813 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2814 for (ActiveAdmin admin : policy.mAdminList) { 2815 if (admin.maximumFailedPasswordsForWipe == 2816 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 2817 continue; // No max number of failed passwords policy set for this profile. 2818 } 2819 2820 // We always favor the primary profile if several profiles have the same value set. 2821 if (count == 0 || 2822 count > admin.maximumFailedPasswordsForWipe || 2823 (userInfo.isPrimary() && count >= admin.maximumFailedPasswordsForWipe)) { 2824 count = admin.maximumFailedPasswordsForWipe; 2825 strictestAdmin = admin; 2826 } 2827 } 2828 } 2829 return strictestAdmin; 2830 } 2831 2832 @Override 2833 public boolean resetPassword(String passwordOrNull, int flags) { 2834 if (!mHasFeature) { 2835 return false; 2836 } 2837 final int userHandle = UserHandle.getCallingUserId(); 2838 enforceNotManagedProfile(userHandle, "reset the password"); 2839 2840 String password = passwordOrNull != null ? passwordOrNull : ""; 2841 2842 int quality; 2843 synchronized (this) { 2844 // This api can only be called by an active device admin, 2845 // so try to retrieve it to check that the caller is one. 2846 getActiveAdminForCallerLocked(null, 2847 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 2848 quality = getPasswordQuality(null, userHandle); 2849 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 2850 int realQuality = LockPatternUtils.computePasswordQuality(password); 2851 if (realQuality < quality 2852 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2853 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 2854 + Integer.toHexString(realQuality) 2855 + " does not meet required quality 0x" 2856 + Integer.toHexString(quality)); 2857 return false; 2858 } 2859 quality = Math.max(realQuality, quality); 2860 } 2861 int length = getPasswordMinimumLength(null, userHandle); 2862 if (password.length() < length) { 2863 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 2864 + " does not meet required length " + length); 2865 return false; 2866 } 2867 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2868 int letters = 0; 2869 int uppercase = 0; 2870 int lowercase = 0; 2871 int numbers = 0; 2872 int symbols = 0; 2873 int nonletter = 0; 2874 for (int i = 0; i < password.length(); i++) { 2875 char c = password.charAt(i); 2876 if (c >= 'A' && c <= 'Z') { 2877 letters++; 2878 uppercase++; 2879 } else if (c >= 'a' && c <= 'z') { 2880 letters++; 2881 lowercase++; 2882 } else if (c >= '0' && c <= '9') { 2883 numbers++; 2884 nonletter++; 2885 } else { 2886 symbols++; 2887 nonletter++; 2888 } 2889 } 2890 int neededLetters = getPasswordMinimumLetters(null, userHandle); 2891 if(letters < neededLetters) { 2892 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 2893 + " does not meet required number of letters " + neededLetters); 2894 return false; 2895 } 2896 int neededNumbers = getPasswordMinimumNumeric(null, userHandle); 2897 if (numbers < neededNumbers) { 2898 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 2899 + " does not meet required number of numerical digits " 2900 + neededNumbers); 2901 return false; 2902 } 2903 int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); 2904 if (lowercase < neededLowerCase) { 2905 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 2906 + " does not meet required number of lowercase letters " 2907 + neededLowerCase); 2908 return false; 2909 } 2910 int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); 2911 if (uppercase < neededUpperCase) { 2912 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 2913 + " does not meet required number of uppercase letters " 2914 + neededUpperCase); 2915 return false; 2916 } 2917 int neededSymbols = getPasswordMinimumSymbols(null, userHandle); 2918 if (symbols < neededSymbols) { 2919 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 2920 + " does not meet required number of special symbols " + neededSymbols); 2921 return false; 2922 } 2923 int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); 2924 if (nonletter < neededNonLetter) { 2925 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 2926 + " does not meet required number of non-letter characters " 2927 + neededNonLetter); 2928 return false; 2929 } 2930 } 2931 } 2932 2933 int callingUid = Binder.getCallingUid(); 2934 DevicePolicyData policy = getUserData(userHandle); 2935 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 2936 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 2937 return false; 2938 } 2939 2940 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwnerOrInitializer(callingUid); 2941 boolean doNotAskCredentialsOnBoot = 2942 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 2943 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 2944 setDoNotAskCredentialsOnBoot(); 2945 } 2946 2947 // Don't do this with the lock held, because it is going to call 2948 // back in to the service. 2949 long ident = Binder.clearCallingIdentity(); 2950 try { 2951 LockPatternUtils utils = new LockPatternUtils(mContext); 2952 if (!TextUtils.isEmpty(password)) { 2953 utils.saveLockPassword(password, null, quality, userHandle); 2954 } else { 2955 utils.clearLock(userHandle); 2956 } 2957 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 2958 if (requireEntry) { 2959 utils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 2960 UserHandle.USER_ALL); 2961 } 2962 synchronized (this) { 2963 int newOwner = requireEntry ? callingUid : -1; 2964 if (policy.mPasswordOwner != newOwner) { 2965 policy.mPasswordOwner = newOwner; 2966 saveSettingsLocked(userHandle); 2967 } 2968 } 2969 } finally { 2970 Binder.restoreCallingIdentity(ident); 2971 } 2972 2973 return true; 2974 } 2975 2976 private void setDoNotAskCredentialsOnBoot() { 2977 synchronized (this) { 2978 DevicePolicyData policyData = getUserData(UserHandle.USER_OWNER); 2979 if (!policyData.doNotAskCredentialsOnBoot) { 2980 policyData.doNotAskCredentialsOnBoot = true; 2981 saveSettingsLocked(UserHandle.USER_OWNER); 2982 } 2983 } 2984 } 2985 2986 @Override 2987 public boolean getDoNotAskCredentialsOnBoot() { 2988 mContext.enforceCallingOrSelfPermission( 2989 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 2990 synchronized (this) { 2991 DevicePolicyData policyData = getUserData(UserHandle.USER_OWNER); 2992 return policyData.doNotAskCredentialsOnBoot; 2993 } 2994 } 2995 2996 @Override 2997 public void setMaximumTimeToLock(ComponentName who, long timeMs) { 2998 if (!mHasFeature) { 2999 return; 3000 } 3001 Preconditions.checkNotNull(who, "ComponentName is null"); 3002 final int userHandle = UserHandle.getCallingUserId(); 3003 synchronized (this) { 3004 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3005 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 3006 if (ap.maximumTimeToUnlock != timeMs) { 3007 ap.maximumTimeToUnlock = timeMs; 3008 saveSettingsLocked(userHandle); 3009 updateMaximumTimeToLockLocked(getUserData(userHandle)); 3010 } 3011 } 3012 } 3013 3014 void updateMaximumTimeToLockLocked(DevicePolicyData policy) { 3015 long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); 3016 if (policy.mLastMaximumTimeToLock == timeMs) { 3017 return; 3018 } 3019 3020 long ident = Binder.clearCallingIdentity(); 3021 try { 3022 if (timeMs <= 0) { 3023 timeMs = Integer.MAX_VALUE; 3024 } else { 3025 // Make sure KEEP_SCREEN_ON is disabled, since that 3026 // would allow bypassing of the maximum time to lock. 3027 Settings.Global.putInt(mContext.getContentResolver(), 3028 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 3029 } 3030 3031 policy.mLastMaximumTimeToLock = timeMs; 3032 mPowerManagerInternal.setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); 3033 } finally { 3034 Binder.restoreCallingIdentity(ident); 3035 } 3036 } 3037 3038 @Override 3039 public long getMaximumTimeToLock(ComponentName who, int userHandle) { 3040 if (!mHasFeature) { 3041 return 0; 3042 } 3043 enforceCrossUserPermission(userHandle); 3044 synchronized (this) { 3045 long time = 0; 3046 3047 if (who != null) { 3048 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3049 return admin != null ? admin.maximumTimeToUnlock : time; 3050 } 3051 3052 // Return strictest policy for this user and profiles that are visible from this user. 3053 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3054 for (UserInfo userInfo : profiles) { 3055 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3056 final int N = policy.mAdminList.size(); 3057 for (int i=0; i<N; i++) { 3058 ActiveAdmin admin = policy.mAdminList.get(i); 3059 if (time == 0) { 3060 time = admin.maximumTimeToUnlock; 3061 } else if (admin.maximumTimeToUnlock != 0 3062 && time > admin.maximumTimeToUnlock) { 3063 time = admin.maximumTimeToUnlock; 3064 } 3065 } 3066 } 3067 return time; 3068 } 3069 } 3070 3071 @Override 3072 public void lockNow() { 3073 if (!mHasFeature) { 3074 return; 3075 } 3076 synchronized (this) { 3077 // This API can only be called by an active device admin, 3078 // so try to retrieve it to check that the caller is one. 3079 getActiveAdminForCallerLocked(null, 3080 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 3081 lockNowUnchecked(); 3082 } 3083 } 3084 3085 private void lockNowUnchecked() { 3086 long ident = Binder.clearCallingIdentity(); 3087 try { 3088 // Power off the display 3089 mPowerManager.goToSleep(SystemClock.uptimeMillis(), 3090 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 3091 // Ensure the device is locked 3092 new LockPatternUtils(mContext).requireStrongAuth( 3093 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, UserHandle.USER_ALL); 3094 getWindowManager().lockNow(null); 3095 } catch (RemoteException e) { 3096 } finally { 3097 Binder.restoreCallingIdentity(ident); 3098 } 3099 } 3100 3101 private boolean isExtStorageEncrypted() { 3102 String state = SystemProperties.get("vold.decrypt"); 3103 return !"".equals(state); 3104 } 3105 3106 @Override 3107 public void enforceCanManageCaCerts(ComponentName who) { 3108 if (who == null) { 3109 if (!isCallerDelegatedCertInstaller()) { 3110 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 3111 } 3112 } else { 3113 synchronized (this) { 3114 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3115 } 3116 } 3117 } 3118 3119 private boolean isCallerDelegatedCertInstaller() { 3120 final int callingUid = Binder.getCallingUid(); 3121 final int userHandle = UserHandle.getUserId(callingUid); 3122 synchronized (this) { 3123 final DevicePolicyData policy = getUserData(userHandle); 3124 if (policy.mDelegatedCertInstallerPackage == null) { 3125 return false; 3126 } 3127 3128 try { 3129 int uid = mContext.getPackageManager().getPackageUid( 3130 policy.mDelegatedCertInstallerPackage, userHandle); 3131 return uid == callingUid; 3132 } catch (NameNotFoundException e) { 3133 return false; 3134 } 3135 } 3136 } 3137 3138 @Override 3139 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 3140 enforceCanManageCaCerts(admin); 3141 3142 byte[] pemCert; 3143 try { 3144 X509Certificate cert = parseCert(certBuffer); 3145 pemCert = Credentials.convertToPem(cert); 3146 } catch (CertificateException ce) { 3147 Log.e(LOG_TAG, "Problem converting cert", ce); 3148 return false; 3149 } catch (IOException ioe) { 3150 Log.e(LOG_TAG, "Problem reading cert", ioe); 3151 return false; 3152 } 3153 3154 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3155 final long id = Binder.clearCallingIdentity(); 3156 try { 3157 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3158 try { 3159 keyChainConnection.getService().installCaCertificate(pemCert); 3160 return true; 3161 } catch (RemoteException e) { 3162 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 3163 } finally { 3164 keyChainConnection.close(); 3165 } 3166 } catch (InterruptedException e1) { 3167 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 3168 Thread.currentThread().interrupt(); 3169 } finally { 3170 Binder.restoreCallingIdentity(id); 3171 } 3172 return false; 3173 } 3174 3175 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 3176 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 3177 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 3178 certBuffer)); 3179 } 3180 3181 @Override 3182 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 3183 enforceCanManageCaCerts(admin); 3184 3185 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3186 final long id = Binder.clearCallingIdentity(); 3187 try { 3188 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3189 try { 3190 for (int i = 0 ; i < aliases.length; i++) { 3191 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 3192 } 3193 } catch (RemoteException e) { 3194 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 3195 } finally { 3196 keyChainConnection.close(); 3197 } 3198 } catch (InterruptedException ie) { 3199 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 3200 Thread.currentThread().interrupt(); 3201 } finally { 3202 Binder.restoreCallingIdentity(id); 3203 } 3204 } 3205 3206 @Override 3207 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias) { 3208 if (who == null) { 3209 if (!isCallerDelegatedCertInstaller()) { 3210 throw new SecurityException("who == null, but caller is not cert installer"); 3211 } 3212 } else { 3213 synchronized (this) { 3214 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3215 } 3216 } 3217 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3218 final long id = Binder.clearCallingIdentity(); 3219 try { 3220 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3221 try { 3222 IKeyChainService keyChain = keyChainConnection.getService(); 3223 return keyChain.installKeyPair(privKey, cert, alias); 3224 } catch (RemoteException e) { 3225 Log.e(LOG_TAG, "Installing certificate", e); 3226 } finally { 3227 keyChainConnection.close(); 3228 } 3229 } catch (InterruptedException e) { 3230 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 3231 Thread.currentThread().interrupt(); 3232 } finally { 3233 Binder.restoreCallingIdentity(id); 3234 } 3235 return false; 3236 } 3237 3238 @Override 3239 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 3240 final IBinder response) { 3241 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 3242 if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID) { 3243 return; 3244 } 3245 3246 final UserHandle caller = Binder.getCallingUserHandle(); 3247 // If there is a profile owner, redirect to that; otherwise query the device owner. 3248 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 3249 if (aliasChooser == null && caller.isOwner()) { 3250 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdmin(); 3251 if (deviceOwnerAdmin != null) { 3252 aliasChooser = deviceOwnerAdmin.info.getComponent(); 3253 } 3254 } 3255 if (aliasChooser == null) { 3256 sendPrivateKeyAliasResponse(null, response); 3257 return; 3258 } 3259 3260 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 3261 intent.setComponent(aliasChooser); 3262 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 3263 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 3264 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 3265 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 3266 3267 final long id = Binder.clearCallingIdentity(); 3268 try { 3269 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 3270 @Override 3271 public void onReceive(Context context, Intent intent) { 3272 final String chosenAlias = getResultData(); 3273 sendPrivateKeyAliasResponse(chosenAlias, response); 3274 } 3275 }, null, Activity.RESULT_OK, null, null); 3276 } finally { 3277 Binder.restoreCallingIdentity(id); 3278 } 3279 } 3280 3281 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 3282 final IKeyChainAliasCallback keyChainAliasResponse = 3283 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 3284 new AsyncTask<Void, Void, Void>() { 3285 @Override 3286 protected Void doInBackground(Void... unused) { 3287 try { 3288 keyChainAliasResponse.alias(alias); 3289 } catch (Exception e) { 3290 // Catch everything (not just RemoteException): caller could throw a 3291 // RuntimeException back across processes. 3292 Log.e(LOG_TAG, "error while responding to callback", e); 3293 } 3294 return null; 3295 } 3296 }.execute(); 3297 } 3298 3299 @Override 3300 public void setCertInstallerPackage(ComponentName who, String installerPackage) 3301 throws SecurityException { 3302 int userHandle = UserHandle.getCallingUserId(); 3303 synchronized (this) { 3304 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3305 DevicePolicyData policy = getUserData(userHandle); 3306 policy.mDelegatedCertInstallerPackage = installerPackage; 3307 saveSettingsLocked(userHandle); 3308 } 3309 } 3310 3311 @Override 3312 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 3313 int userHandle = UserHandle.getCallingUserId(); 3314 synchronized (this) { 3315 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3316 DevicePolicyData policy = getUserData(userHandle); 3317 return policy.mDelegatedCertInstallerPackage; 3318 } 3319 } 3320 3321 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 3322 if (wipeExtRequested) { 3323 StorageManager sm = (StorageManager) mContext.getSystemService( 3324 Context.STORAGE_SERVICE); 3325 sm.wipeAdoptableDisks(); 3326 } 3327 try { 3328 RecoverySystem.rebootWipeUserData(mContext, reason); 3329 } catch (IOException | SecurityException e) { 3330 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 3331 } 3332 } 3333 3334 @Override 3335 public void wipeData(int flags, final int userHandle) { 3336 if (!mHasFeature) { 3337 return; 3338 } 3339 enforceCrossUserPermission(userHandle); 3340 synchronized (this) { 3341 // This API can only be called by an active device admin, 3342 // so try to retrieve it to check that the caller is one. 3343 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 3344 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 3345 3346 final String source; 3347 final ComponentName cname = admin.info.getComponent(); 3348 if (cname != null) { 3349 source = cname.flattenToShortString(); 3350 } else { 3351 source = admin.info.getPackageName(); 3352 } 3353 3354 long ident = Binder.clearCallingIdentity(); 3355 try { 3356 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 3357 boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) 3358 && !hasUserSetupCompleted(userHandle); 3359 if (userHandle != UserHandle.USER_OWNER 3360 || !(isDeviceOwner(admin.info.getPackageName()) 3361 || ownsInitialization)) { 3362 throw new SecurityException( 3363 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 3364 } 3365 PersistentDataBlockManager manager = (PersistentDataBlockManager) 3366 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 3367 if (manager != null) { 3368 manager.wipe(); 3369 } 3370 } 3371 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 3372 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 3373 "DevicePolicyManager.wipeData() from " + source); 3374 } finally { 3375 Binder.restoreCallingIdentity(ident); 3376 } 3377 } 3378 } 3379 3380 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 3381 if (userHandle == UserHandle.USER_OWNER) { 3382 wipeDataLocked(wipeExtRequested, reason); 3383 } else { 3384 mHandler.post(new Runnable() { 3385 @Override 3386 public void run() { 3387 try { 3388 IActivityManager am = ActivityManagerNative.getDefault(); 3389 if (am.getCurrentUser().id == userHandle) { 3390 am.switchUser(UserHandle.USER_OWNER); 3391 } 3392 3393 boolean isManagedProfile = isManagedProfile(userHandle); 3394 if (!mUserManager.removeUser(userHandle)) { 3395 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 3396 } else if (isManagedProfile) { 3397 sendWipeProfileNotification(); 3398 } 3399 } catch (RemoteException re) { 3400 // Shouldn't happen 3401 } 3402 } 3403 }); 3404 } 3405 } 3406 3407 private void sendWipeProfileNotification() { 3408 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 3409 Notification notification = new Notification.Builder(mContext) 3410 .setSmallIcon(android.R.drawable.stat_sys_warning) 3411 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 3412 .setContentText(contentText) 3413 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 3414 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 3415 .build(); 3416 getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 3417 } 3418 3419 private void clearWipeProfileNotification() { 3420 getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 3421 } 3422 3423 @Override 3424 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 3425 if (!mHasFeature) { 3426 return; 3427 } 3428 enforceCrossUserPermission(userHandle); 3429 mContext.enforceCallingOrSelfPermission( 3430 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3431 3432 synchronized (this) { 3433 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 3434 if (admin == null) { 3435 try { 3436 result.sendResult(null); 3437 } catch (RemoteException e) { 3438 } 3439 return; 3440 } 3441 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 3442 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 3443 intent.setComponent(admin.info.getComponent()); 3444 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 3445 null, new BroadcastReceiver() { 3446 @Override 3447 public void onReceive(Context context, Intent intent) { 3448 try { 3449 result.sendResult(getResultExtras(false)); 3450 } catch (RemoteException e) { 3451 } 3452 } 3453 }, null, Activity.RESULT_OK, null, null); 3454 } 3455 } 3456 3457 @Override 3458 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 3459 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 3460 if (!mHasFeature) { 3461 return; 3462 } 3463 enforceCrossUserPermission(userHandle); 3464 enforceNotManagedProfile(userHandle, "set the active password"); 3465 3466 mContext.enforceCallingOrSelfPermission( 3467 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3468 DevicePolicyData p = getUserData(userHandle); 3469 3470 validateQualityConstant(quality); 3471 3472 synchronized (this) { 3473 if (p.mActivePasswordQuality != quality || p.mActivePasswordLength != length 3474 || p.mFailedPasswordAttempts != 0 || p.mActivePasswordLetters != letters 3475 || p.mActivePasswordUpperCase != uppercase 3476 || p.mActivePasswordLowerCase != lowercase 3477 || p.mActivePasswordNumeric != numbers 3478 || p.mActivePasswordSymbols != symbols 3479 || p.mActivePasswordNonLetter != nonletter) { 3480 long ident = Binder.clearCallingIdentity(); 3481 try { 3482 p.mActivePasswordQuality = quality; 3483 p.mActivePasswordLength = length; 3484 p.mActivePasswordLetters = letters; 3485 p.mActivePasswordLowerCase = lowercase; 3486 p.mActivePasswordUpperCase = uppercase; 3487 p.mActivePasswordNumeric = numbers; 3488 p.mActivePasswordSymbols = symbols; 3489 p.mActivePasswordNonLetter = nonletter; 3490 p.mFailedPasswordAttempts = 0; 3491 saveSettingsLocked(userHandle); 3492 updatePasswordExpirationsLocked(userHandle); 3493 setExpirationAlarmCheckLocked(mContext, p); 3494 sendAdminCommandToSelfAndProfilesLocked( 3495 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 3496 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 3497 } finally { 3498 Binder.restoreCallingIdentity(ident); 3499 } 3500 } 3501 } 3502 } 3503 3504 /** 3505 * Called any time the device password is updated. Resets all password expiration clocks. 3506 */ 3507 private void updatePasswordExpirationsLocked(int userHandle) { 3508 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3509 for (UserInfo userInfo : profiles) { 3510 int profileId = userInfo.id; 3511 DevicePolicyData policy = getUserDataUnchecked(profileId); 3512 final int N = policy.mAdminList.size(); 3513 if (N > 0) { 3514 for (int i=0; i<N; i++) { 3515 ActiveAdmin admin = policy.mAdminList.get(i); 3516 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 3517 long timeout = admin.passwordExpirationTimeout; 3518 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3519 admin.passwordExpirationDate = expiration; 3520 } 3521 } 3522 } 3523 saveSettingsLocked(profileId); 3524 } 3525 } 3526 3527 @Override 3528 public void reportFailedPasswordAttempt(int userHandle) { 3529 enforceCrossUserPermission(userHandle); 3530 enforceNotManagedProfile(userHandle, "report failed password attempt"); 3531 mContext.enforceCallingOrSelfPermission( 3532 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3533 3534 long ident = Binder.clearCallingIdentity(); 3535 try { 3536 boolean wipeData = false; 3537 int identifier = 0; 3538 synchronized (this) { 3539 DevicePolicyData policy = getUserData(userHandle); 3540 policy.mFailedPasswordAttempts++; 3541 saveSettingsLocked(userHandle); 3542 if (mHasFeature) { 3543 ActiveAdmin strictestAdmin = 3544 getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 3545 int max = strictestAdmin != null 3546 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 3547 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 3548 // Wipe the user/profile associated with the policy that was violated. This 3549 // is not necessarily calling user: if the policy that fired was from a 3550 // managed profile rather than the main user profile, we wipe former only. 3551 wipeData = true; 3552 identifier = strictestAdmin.getUserHandle().getIdentifier(); 3553 } 3554 sendAdminCommandToSelfAndProfilesLocked( 3555 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 3556 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3557 } 3558 } 3559 if (wipeData) { 3560 // Call without holding lock. 3561 wipeDeviceOrUserLocked(false, identifier, 3562 "reportFailedPasswordAttempt()"); 3563 } 3564 } finally { 3565 Binder.restoreCallingIdentity(ident); 3566 } 3567 } 3568 3569 @Override 3570 public void reportSuccessfulPasswordAttempt(int userHandle) { 3571 enforceCrossUserPermission(userHandle); 3572 mContext.enforceCallingOrSelfPermission( 3573 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3574 3575 synchronized (this) { 3576 DevicePolicyData policy = getUserData(userHandle); 3577 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 3578 long ident = Binder.clearCallingIdentity(); 3579 try { 3580 policy.mFailedPasswordAttempts = 0; 3581 policy.mPasswordOwner = -1; 3582 saveSettingsLocked(userHandle); 3583 if (mHasFeature) { 3584 sendAdminCommandToSelfAndProfilesLocked( 3585 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 3586 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3587 } 3588 } finally { 3589 Binder.restoreCallingIdentity(ident); 3590 } 3591 } 3592 } 3593 } 3594 3595 @Override 3596 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 3597 String exclusionList) { 3598 if (!mHasFeature) { 3599 return null; 3600 } 3601 synchronized(this) { 3602 Preconditions.checkNotNull(who, "ComponentName is null"); 3603 3604 // Only check if owner has set global proxy. We don't allow other users to set it. 3605 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3606 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3607 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 3608 3609 // Scan through active admins and find if anyone has already 3610 // set the global proxy. 3611 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 3612 for (ComponentName component : compSet) { 3613 ActiveAdmin ap = policy.mAdminMap.get(component); 3614 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 3615 // Another admin already sets the global proxy 3616 // Return it to the caller. 3617 return component; 3618 } 3619 } 3620 3621 // If the user is not the owner, don't set the global proxy. Fail silently. 3622 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3623 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 3624 + UserHandle.getCallingUserId() + " is not permitted."); 3625 return null; 3626 } 3627 if (proxySpec == null) { 3628 admin.specifiesGlobalProxy = false; 3629 admin.globalProxySpec = null; 3630 admin.globalProxyExclusionList = null; 3631 } else { 3632 3633 admin.specifiesGlobalProxy = true; 3634 admin.globalProxySpec = proxySpec; 3635 admin.globalProxyExclusionList = exclusionList; 3636 } 3637 3638 // Reset the global proxy accordingly 3639 // Do this using system permissions, as apps cannot write to secure settings 3640 long origId = Binder.clearCallingIdentity(); 3641 try { 3642 resetGlobalProxyLocked(policy); 3643 } finally { 3644 Binder.restoreCallingIdentity(origId); 3645 } 3646 return null; 3647 } 3648 } 3649 3650 @Override 3651 public ComponentName getGlobalProxyAdmin(int userHandle) { 3652 if (!mHasFeature) { 3653 return null; 3654 } 3655 enforceCrossUserPermission(userHandle); 3656 synchronized(this) { 3657 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3658 // Scan through active admins and find if anyone has already 3659 // set the global proxy. 3660 final int N = policy.mAdminList.size(); 3661 for (int i = 0; i < N; i++) { 3662 ActiveAdmin ap = policy.mAdminList.get(i); 3663 if (ap.specifiesGlobalProxy) { 3664 // Device admin sets the global proxy 3665 // Return it to the caller. 3666 return ap.info.getComponent(); 3667 } 3668 } 3669 } 3670 // No device admin sets the global proxy. 3671 return null; 3672 } 3673 3674 @Override 3675 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 3676 synchronized (this) { 3677 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3678 } 3679 long token = Binder.clearCallingIdentity(); 3680 try { 3681 ConnectivityManager connectivityManager = (ConnectivityManager) 3682 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 3683 connectivityManager.setGlobalProxy(proxyInfo); 3684 } finally { 3685 Binder.restoreCallingIdentity(token); 3686 } 3687 } 3688 3689 private void resetGlobalProxyLocked(DevicePolicyData policy) { 3690 final int N = policy.mAdminList.size(); 3691 for (int i = 0; i < N; i++) { 3692 ActiveAdmin ap = policy.mAdminList.get(i); 3693 if (ap.specifiesGlobalProxy) { 3694 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 3695 return; 3696 } 3697 } 3698 // No device admins defining global proxies - reset global proxy settings to none 3699 saveGlobalProxyLocked(null, null); 3700 } 3701 3702 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 3703 if (exclusionList == null) { 3704 exclusionList = ""; 3705 } 3706 if (proxySpec == null) { 3707 proxySpec = ""; 3708 } 3709 // Remove white spaces 3710 proxySpec = proxySpec.trim(); 3711 String data[] = proxySpec.split(":"); 3712 int proxyPort = 8080; 3713 if (data.length > 1) { 3714 try { 3715 proxyPort = Integer.parseInt(data[1]); 3716 } catch (NumberFormatException e) {} 3717 } 3718 exclusionList = exclusionList.trim(); 3719 ContentResolver res = mContext.getContentResolver(); 3720 3721 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 3722 if (!proxyProperties.isValid()) { 3723 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 3724 return; 3725 } 3726 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 3727 Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 3728 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 3729 exclusionList); 3730 } 3731 3732 /** 3733 * Set the storage encryption request for a single admin. Returns the new total request 3734 * status (for all admins). 3735 */ 3736 @Override 3737 public int setStorageEncryption(ComponentName who, boolean encrypt) { 3738 if (!mHasFeature) { 3739 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3740 } 3741 Preconditions.checkNotNull(who, "ComponentName is null"); 3742 final int userHandle = UserHandle.getCallingUserId(); 3743 synchronized (this) { 3744 // Check for permissions 3745 // Only owner can set storage encryption 3746 if (userHandle != UserHandle.USER_OWNER 3747 || UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3748 Slog.w(LOG_TAG, "Only owner is allowed to set storage encryption. User " 3749 + UserHandle.getCallingUserId() + " is not permitted."); 3750 return 0; 3751 } 3752 3753 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3754 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 3755 3756 // Quick exit: If the filesystem does not support encryption, we can exit early. 3757 if (!isEncryptionSupported()) { 3758 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3759 } 3760 3761 // (1) Record the value for the admin so it's sticky 3762 if (ap.encryptionRequested != encrypt) { 3763 ap.encryptionRequested = encrypt; 3764 saveSettingsLocked(userHandle); 3765 } 3766 3767 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3768 // (2) Compute "max" for all admins 3769 boolean newRequested = false; 3770 final int N = policy.mAdminList.size(); 3771 for (int i = 0; i < N; i++) { 3772 newRequested |= policy.mAdminList.get(i).encryptionRequested; 3773 } 3774 3775 // Notify OS of new request 3776 setEncryptionRequested(newRequested); 3777 3778 // Return the new global request status 3779 return newRequested 3780 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3781 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3782 } 3783 } 3784 3785 /** 3786 * Get the current storage encryption request status for a given admin, or aggregate of all 3787 * active admins. 3788 */ 3789 @Override 3790 public boolean getStorageEncryption(ComponentName who, int userHandle) { 3791 if (!mHasFeature) { 3792 return false; 3793 } 3794 enforceCrossUserPermission(userHandle); 3795 synchronized (this) { 3796 // Check for permissions if a particular caller is specified 3797 if (who != null) { 3798 // When checking for a single caller, status is based on caller's request 3799 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 3800 return ap != null ? ap.encryptionRequested : false; 3801 } 3802 3803 // If no particular caller is specified, return the aggregate set of requests. 3804 // This is short circuited by returning true on the first hit. 3805 DevicePolicyData policy = getUserData(userHandle); 3806 final int N = policy.mAdminList.size(); 3807 for (int i = 0; i < N; i++) { 3808 if (policy.mAdminList.get(i).encryptionRequested) { 3809 return true; 3810 } 3811 } 3812 return false; 3813 } 3814 } 3815 3816 /** 3817 * Get the current encryption status of the device. 3818 */ 3819 @Override 3820 public int getStorageEncryptionStatus(int userHandle) { 3821 if (!mHasFeature) { 3822 // Ok to return current status. 3823 } 3824 enforceCrossUserPermission(userHandle); 3825 return getEncryptionStatus(); 3826 } 3827 3828 /** 3829 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 3830 */ 3831 private boolean isEncryptionSupported() { 3832 // Note, this can be implemented as 3833 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3834 // But is provided as a separate internal method if there's a faster way to do a 3835 // simple check for supported-or-not. 3836 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3837 } 3838 3839 /** 3840 * Hook to low-levels: Reporting the current status of encryption. 3841 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 3842 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 3843 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, or 3844 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 3845 */ 3846 private int getEncryptionStatus() { 3847 String status = SystemProperties.get("ro.crypto.state", "unsupported"); 3848 if ("encrypted".equalsIgnoreCase(status)) { 3849 final long token = Binder.clearCallingIdentity(); 3850 try { 3851 return LockPatternUtils.isDeviceEncrypted() 3852 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3853 : DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 3854 } finally { 3855 Binder.restoreCallingIdentity(token); 3856 } 3857 } else if ("unencrypted".equalsIgnoreCase(status)) { 3858 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3859 } else { 3860 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3861 } 3862 } 3863 3864 /** 3865 * Hook to low-levels: If needed, record the new admin setting for encryption. 3866 */ 3867 private void setEncryptionRequested(boolean encrypt) { 3868 } 3869 3870 3871 /** 3872 * Set whether the screen capture is disabled for the user managed by the specified admin. 3873 */ 3874 @Override 3875 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 3876 if (!mHasFeature) { 3877 return; 3878 } 3879 Preconditions.checkNotNull(who, "ComponentName is null"); 3880 final int userHandle = UserHandle.getCallingUserId(); 3881 synchronized (this) { 3882 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3883 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3884 if (ap.disableScreenCapture != disabled) { 3885 ap.disableScreenCapture = disabled; 3886 saveSettingsLocked(userHandle); 3887 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 3888 } 3889 } 3890 } 3891 3892 /** 3893 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 3894 * active admin (if given admin is null). 3895 */ 3896 @Override 3897 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 3898 if (!mHasFeature) { 3899 return false; 3900 } 3901 synchronized (this) { 3902 if (who != null) { 3903 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3904 return (admin != null) ? admin.disableScreenCapture : false; 3905 } 3906 3907 DevicePolicyData policy = getUserData(userHandle); 3908 final int N = policy.mAdminList.size(); 3909 for (int i = 0; i < N; i++) { 3910 ActiveAdmin admin = policy.mAdminList.get(i); 3911 if (admin.disableScreenCapture) { 3912 return true; 3913 } 3914 } 3915 return false; 3916 } 3917 } 3918 3919 private void updateScreenCaptureDisabledInWindowManager(int userHandle, boolean disabled) { 3920 long ident = Binder.clearCallingIdentity(); 3921 try { 3922 getWindowManager().setScreenCaptureDisabled(userHandle, disabled); 3923 } catch (RemoteException e) { 3924 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 3925 } finally { 3926 Binder.restoreCallingIdentity(ident); 3927 } 3928 } 3929 3930 /** 3931 * Set whether auto time is required by the specified admin (must be device owner). 3932 */ 3933 @Override 3934 public void setAutoTimeRequired(ComponentName who, boolean required) { 3935 if (!mHasFeature) { 3936 return; 3937 } 3938 Preconditions.checkNotNull(who, "ComponentName is null"); 3939 final int userHandle = UserHandle.getCallingUserId(); 3940 synchronized (this) { 3941 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3942 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3943 if (admin.requireAutoTime != required) { 3944 admin.requireAutoTime = required; 3945 saveSettingsLocked(userHandle); 3946 } 3947 } 3948 3949 // Turn AUTO_TIME on in settings if it is required 3950 if (required) { 3951 long ident = Binder.clearCallingIdentity(); 3952 try { 3953 Settings.Global.putInt(mContext.getContentResolver(), 3954 Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 3955 } finally { 3956 Binder.restoreCallingIdentity(ident); 3957 } 3958 } 3959 } 3960 3961 /** 3962 * Returns whether or not auto time is required by the device owner. 3963 */ 3964 @Override 3965 public boolean getAutoTimeRequired() { 3966 if (!mHasFeature) { 3967 return false; 3968 } 3969 synchronized (this) { 3970 ActiveAdmin deviceOwner = getDeviceOwnerAdmin(); 3971 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 3972 } 3973 } 3974 3975 /** 3976 * The system property used to share the state of the camera. The native camera service 3977 * is expected to read this property and act accordingly. The userId should be appended 3978 * to this key. 3979 */ 3980 public static final String SYSTEM_PROP_DISABLE_CAMERA_PREFIX = "sys.secpolicy.camera.off_"; 3981 3982 /** 3983 * Disables all device cameras according to the specified admin. 3984 */ 3985 @Override 3986 public void setCameraDisabled(ComponentName who, boolean disabled) { 3987 if (!mHasFeature) { 3988 return; 3989 } 3990 Preconditions.checkNotNull(who, "ComponentName is null"); 3991 final int userHandle = UserHandle.getCallingUserId(); 3992 synchronized (this) { 3993 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3994 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 3995 if (ap.disableCamera != disabled) { 3996 ap.disableCamera = disabled; 3997 saveSettingsLocked(userHandle); 3998 } 3999 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4000 } 4001 } 4002 4003 /** 4004 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 4005 * active admins. 4006 */ 4007 @Override 4008 public boolean getCameraDisabled(ComponentName who, int userHandle) { 4009 if (!mHasFeature) { 4010 return false; 4011 } 4012 synchronized (this) { 4013 if (who != null) { 4014 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 4015 return (admin != null) ? admin.disableCamera : false; 4016 } 4017 4018 DevicePolicyData policy = getUserData(userHandle); 4019 // Determine whether or not the device camera is disabled for any active admins. 4020 final int N = policy.mAdminList.size(); 4021 for (int i = 0; i < N; i++) { 4022 ActiveAdmin admin = policy.mAdminList.get(i); 4023 if (admin.disableCamera) { 4024 return true; 4025 } 4026 } 4027 return false; 4028 } 4029 } 4030 4031 /** 4032 * Selectively disable keyguard features. 4033 */ 4034 @Override 4035 public void setKeyguardDisabledFeatures(ComponentName who, int which) { 4036 if (!mHasFeature) { 4037 return; 4038 } 4039 Preconditions.checkNotNull(who, "ComponentName is null"); 4040 final int userHandle = UserHandle.getCallingUserId(); 4041 if (isManagedProfile(userHandle)) { 4042 which = which & PROFILE_KEYGUARD_FEATURES; 4043 } 4044 synchronized (this) { 4045 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4046 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4047 if (ap.disabledKeyguardFeatures != which) { 4048 ap.disabledKeyguardFeatures = which; 4049 saveSettingsLocked(userHandle); 4050 } 4051 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4052 } 4053 } 4054 4055 /** 4056 * Gets the disabled state for features in keyguard for the given admin, 4057 * or the aggregate of all active admins if who is null. 4058 */ 4059 @Override 4060 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { 4061 if (!mHasFeature) { 4062 return 0; 4063 } 4064 enforceCrossUserPermission(userHandle); 4065 long ident = Binder.clearCallingIdentity(); 4066 try { 4067 synchronized (this) { 4068 if (who != null) { 4069 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 4070 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 4071 } 4072 4073 UserInfo user = mUserManager.getUserInfo(userHandle); 4074 final List<UserInfo> profiles; 4075 if (user.isManagedProfile()) { 4076 // If we are being asked about a managed profile just return 4077 // keyguard features disabled by admins in the profile. 4078 profiles = new ArrayList<UserInfo>(1); 4079 profiles.add(user); 4080 } else { 4081 // Otherwise return those set by admins in the user 4082 // and its profiles. 4083 profiles = mUserManager.getProfiles(userHandle); 4084 } 4085 4086 // Determine which keyguard features are disabled by any active admin. 4087 int which = 0; 4088 for (UserInfo userInfo : profiles) { 4089 DevicePolicyData policy = getUserData(userInfo.id); 4090 final int N = policy.mAdminList.size(); 4091 for (int i = 0; i < N; i++) { 4092 ActiveAdmin admin = policy.mAdminList.get(i); 4093 if (userInfo.id == userHandle || !userInfo.isManagedProfile()) { 4094 // If we are being asked explictly about this user 4095 // return all disabled features even if its a managed profile. 4096 which |= admin.disabledKeyguardFeatures; 4097 } else { 4098 // Otherwise a managed profile is only allowed to disable 4099 // some features on the parent user. 4100 which |= (admin.disabledKeyguardFeatures 4101 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 4102 } 4103 } 4104 } 4105 return which; 4106 } 4107 } finally { 4108 Binder.restoreCallingIdentity(ident); 4109 } 4110 } 4111 4112 @Override 4113 public boolean setDeviceOwner(String packageName, String ownerName) { 4114 if (!mHasFeature) { 4115 return false; 4116 } 4117 if (packageName == null 4118 || !Owners.isInstalled(packageName, mContext.getPackageManager())) { 4119 throw new IllegalArgumentException("Invalid package name " + packageName 4120 + " for device owner"); 4121 } 4122 synchronized (this) { 4123 enforceCanSetDeviceOwner(); 4124 4125 // Shutting down backup manager service permanently. 4126 long ident = Binder.clearCallingIdentity(); 4127 try { 4128 IBackupManager ibm = IBackupManager.Stub.asInterface( 4129 ServiceManager.getService(Context.BACKUP_SERVICE)); 4130 ibm.setBackupServiceActive(UserHandle.USER_OWNER, false); 4131 } catch (RemoteException e) { 4132 throw new IllegalStateException("Failed deactivating backup service.", e); 4133 } finally { 4134 Binder.restoreCallingIdentity(ident); 4135 } 4136 4137 mOwners.setDeviceOwner(packageName, ownerName); 4138 mOwners.writeDeviceOwner(); 4139 updateDeviceOwnerLocked(); 4140 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 4141 4142 ident = Binder.clearCallingIdentity(); 4143 try { 4144 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 4145 } finally { 4146 Binder.restoreCallingIdentity(ident); 4147 } 4148 return true; 4149 } 4150 } 4151 4152 @Override 4153 public boolean isDeviceOwner(String packageName) { 4154 if (!mHasFeature) { 4155 return false; 4156 } 4157 synchronized (this) { 4158 return mOwners.hasDeviceOwner() 4159 && mOwners.getDeviceOwnerPackageName().equals(packageName); 4160 } 4161 } 4162 4163 @Override 4164 public String getDeviceOwner() { 4165 if (!mHasFeature) { 4166 return null; 4167 } 4168 synchronized (this) { 4169 return mOwners.getDeviceOwnerPackageName(); 4170 } 4171 } 4172 4173 @Override 4174 public String getDeviceOwnerName() { 4175 if (!mHasFeature) { 4176 return null; 4177 } 4178 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4179 synchronized (this) { 4180 if (!mOwners.hasDeviceOwner()) { 4181 return null; 4182 } 4183 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 4184 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_OWNER); 4185 } 4186 } 4187 4188 // Returns the active device owner or null if there is no device owner. 4189 private ActiveAdmin getDeviceOwnerAdmin() { 4190 String deviceOwnerPackageName = getDeviceOwner(); 4191 if (deviceOwnerPackageName == null) { 4192 return null; 4193 } 4194 4195 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 4196 final int n = policy.mAdminList.size(); 4197 for (int i = 0; i < n; i++) { 4198 ActiveAdmin admin = policy.mAdminList.get(i); 4199 if (deviceOwnerPackageName.equals(admin.info.getPackageName())) { 4200 return admin; 4201 } 4202 } 4203 return null; 4204 } 4205 4206 @Override 4207 public void clearDeviceOwner(String packageName) { 4208 Preconditions.checkNotNull(packageName, "packageName is null"); 4209 try { 4210 int uid = mContext.getPackageManager().getPackageUid(packageName, 0); 4211 if (uid != Binder.getCallingUid()) { 4212 throw new SecurityException("Invalid packageName"); 4213 } 4214 } catch (NameNotFoundException e) { 4215 throw new SecurityException(e); 4216 } 4217 if (!isDeviceOwner(packageName)) { 4218 throw new SecurityException("clearDeviceOwner can only be called by the device owner"); 4219 } 4220 synchronized (this) { 4221 clearUserPoliciesLocked(new UserHandle(UserHandle.USER_OWNER)); 4222 4223 mOwners.clearDeviceOwner(); 4224 mOwners.writeDeviceOwner(); 4225 updateDeviceOwnerLocked(); 4226 // Reactivate backup service. 4227 long ident = Binder.clearCallingIdentity(); 4228 try { 4229 IBackupManager ibm = IBackupManager.Stub.asInterface( 4230 ServiceManager.getService(Context.BACKUP_SERVICE)); 4231 ibm.setBackupServiceActive(UserHandle.USER_OWNER, true); 4232 } catch (RemoteException e) { 4233 throw new IllegalStateException("Failed reactivating backup service.", e); 4234 } finally { 4235 Binder.restoreCallingIdentity(ident); 4236 } 4237 } 4238 } 4239 4240 @Override 4241 public boolean setDeviceInitializer(ComponentName who, ComponentName initializer) { 4242 if (!mHasFeature) { 4243 return false; 4244 } 4245 if (initializer == null || !Owners.isInstalled( 4246 initializer.getPackageName(), mContext.getPackageManager())) { 4247 throw new IllegalArgumentException("Invalid component name " + initializer 4248 + " for device initializer"); 4249 } 4250 boolean isInitializerSystemApp; 4251 try { 4252 isInitializerSystemApp = isSystemApp(AppGlobals.getPackageManager(), 4253 initializer.getPackageName(), Binder.getCallingUserHandle().getIdentifier()); 4254 } catch (RemoteException | IllegalArgumentException e) { 4255 isInitializerSystemApp = false; 4256 Slog.e(LOG_TAG, "Fail to check if device initialzer is system app.", e); 4257 } 4258 if (!isInitializerSystemApp) { 4259 throw new IllegalArgumentException("Only system app can be set as device initializer."); 4260 } 4261 synchronized (this) { 4262 enforceCanSetDeviceInitializer(who); 4263 4264 if (mOwners.hasDeviceInitializer()) { 4265 throw new IllegalStateException( 4266 "Trying to set device initializer but device initializer is already set."); 4267 } 4268 4269 mOwners.setDeviceInitializer(initializer); 4270 4271 addDeviceInitializerToLockTaskPackagesLocked(UserHandle.USER_OWNER); 4272 mOwners.writeDeviceOwner(); 4273 return true; 4274 } 4275 } 4276 4277 private void enforceCanSetDeviceInitializer(ComponentName who) { 4278 if (who == null) { 4279 mContext.enforceCallingOrSelfPermission( 4280 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 4281 if (hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4282 throw new IllegalStateException( 4283 "Trying to set device initializer but device is already provisioned."); 4284 } 4285 } else { 4286 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4287 } 4288 } 4289 4290 @Override 4291 public boolean isDeviceInitializer(String packageName) { 4292 if (!mHasFeature) { 4293 return false; 4294 } 4295 synchronized (this) { 4296 return mOwners.hasDeviceInitializer() 4297 && mOwners.getDeviceInitializerPackageName().equals(packageName); 4298 } 4299 } 4300 4301 @Override 4302 public String getDeviceInitializer() { 4303 if (!mHasFeature) { 4304 return null; 4305 } 4306 synchronized (this) { 4307 if (mOwners.hasDeviceInitializer()) { 4308 return mOwners.getDeviceInitializerPackageName(); 4309 } 4310 } 4311 return null; 4312 } 4313 4314 @Override 4315 public ComponentName getDeviceInitializerComponent() { 4316 if (!mHasFeature) { 4317 return null; 4318 } 4319 synchronized (this) { 4320 if (mOwners.hasDeviceInitializer()) { 4321 return mOwners.getDeviceInitializerComponent(); 4322 } 4323 } 4324 return null; 4325 } 4326 4327 @Override 4328 public void clearDeviceInitializer(ComponentName who) { 4329 if (!mHasFeature) { 4330 return; 4331 } 4332 Preconditions.checkNotNull(who, "ComponentName is null"); 4333 4334 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, UserHandle.getCallingUserId()); 4335 4336 if (admin.getUid() != Binder.getCallingUid()) { 4337 throw new SecurityException("Admin " + who + " is not owned by uid " 4338 + Binder.getCallingUid()); 4339 } 4340 4341 if (!isDeviceInitializer(admin.info.getPackageName()) 4342 && !isDeviceOwner(admin.info.getPackageName())) { 4343 throw new SecurityException( 4344 "clearDeviceInitializer can only be called by the device initializer/owner"); 4345 } 4346 synchronized (this) { 4347 long ident = Binder.clearCallingIdentity(); 4348 try { 4349 mOwners.clearDeviceInitializer(); 4350 mOwners.writeDeviceOwner(); 4351 } finally { 4352 Binder.restoreCallingIdentity(ident); 4353 } 4354 } 4355 } 4356 4357 @Override 4358 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 4359 if (!mHasFeature) { 4360 return false; 4361 } 4362 if (who == null 4363 || !Owners.isInstalledForUser(who.getPackageName(), userHandle)) { 4364 throw new IllegalArgumentException("Component " + who 4365 + " not installed for userId:" + userHandle); 4366 } 4367 synchronized (this) { 4368 enforceCanSetProfileOwner(userHandle); 4369 mOwners.setProfileOwner(who, ownerName, userHandle); 4370 mOwners.writeProfileOwner(userHandle); 4371 return true; 4372 } 4373 } 4374 4375 @Override 4376 public void clearProfileOwner(ComponentName who) { 4377 if (!mHasFeature) { 4378 return; 4379 } 4380 UserHandle callingUser = Binder.getCallingUserHandle(); 4381 // Check if this is the profile owner who is calling 4382 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4383 synchronized (this) { 4384 clearUserPoliciesLocked(callingUser); 4385 final int userId = callingUser.getIdentifier(); 4386 mOwners.removeProfileOwner(userId); 4387 mOwners.writeProfileOwner(userId); 4388 } 4389 } 4390 4391 private void clearUserPoliciesLocked(UserHandle userHandle) { 4392 int userId = userHandle.getIdentifier(); 4393 // Reset some of the user-specific policies 4394 DevicePolicyData policy = getUserData(userId); 4395 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 4396 policy.mDelegatedCertInstallerPackage = null; 4397 policy.mStatusBarDisabled = false; 4398 saveSettingsLocked(userId); 4399 4400 final long ident = Binder.clearCallingIdentity(); 4401 try { 4402 clearUserRestrictions(userHandle); 4403 AppGlobals.getPackageManager().updatePermissionFlagsForAllApps( 4404 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 4405 0 /* flagValues */, userHandle.getIdentifier()); 4406 } catch (RemoteException re) { 4407 } finally { 4408 Binder.restoreCallingIdentity(ident); 4409 } 4410 } 4411 4412 4413 private void clearUserRestrictions(UserHandle userHandle) { 4414 Bundle userRestrictions = mUserManager.getUserRestrictions(); 4415 mUserManager.setUserRestrictions(new Bundle(), userHandle); 4416 IAudioService iAudioService = IAudioService.Stub.asInterface( 4417 ServiceManager.getService(Context.AUDIO_SERVICE)); 4418 if (userRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)) { 4419 try { 4420 iAudioService.setMasterMute(true, 0, mContext.getPackageName(), 4421 userHandle.getIdentifier()); 4422 } catch (RemoteException e) { 4423 // Not much we can do here. 4424 } 4425 } 4426 if (userRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE)) { 4427 try { 4428 iAudioService.setMicrophoneMute(true, mContext.getPackageName(), 4429 userHandle.getIdentifier()); 4430 } catch (RemoteException e) { 4431 // Not much we can do here. 4432 } 4433 } 4434 } 4435 4436 @Override 4437 public boolean hasUserSetupCompleted() { 4438 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 4439 } 4440 4441 private boolean hasUserSetupCompleted(int userHandle) { 4442 if (!mHasFeature) { 4443 return true; 4444 } 4445 DevicePolicyData policy = getUserData(userHandle); 4446 // If policy is null, return true, else check if the setup has completed. 4447 return policy == null || policy.mUserSetupComplete; 4448 } 4449 4450 @Override 4451 public boolean setUserEnabled(ComponentName who) { 4452 if (!mHasFeature) { 4453 return false; 4454 } 4455 synchronized (this) { 4456 if (who == null) { 4457 throw new NullPointerException("ComponentName is null"); 4458 } 4459 int userId = UserHandle.getCallingUserId(); 4460 4461 ActiveAdmin activeAdmin = 4462 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4463 if (!isDeviceInitializer(activeAdmin.info.getPackageName())) { 4464 throw new SecurityException( 4465 "This method can only be called by device initializers"); 4466 } 4467 4468 long id = Binder.clearCallingIdentity(); 4469 try { 4470 if (!isDeviceOwner(activeAdmin.info.getPackageName())) { 4471 IPackageManager ipm = AppGlobals.getPackageManager(); 4472 ipm.setComponentEnabledSetting(who, 4473 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 4474 PackageManager.DONT_KILL_APP, userId); 4475 4476 removeActiveAdmin(who, userId); 4477 } 4478 4479 if (userId == UserHandle.USER_OWNER) { 4480 Settings.Global.putInt(mContext.getContentResolver(), 4481 Settings.Global.DEVICE_PROVISIONED, 1); 4482 } 4483 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4484 Settings.Secure.USER_SETUP_COMPLETE, 1, userId); 4485 } catch (RemoteException e) { 4486 Log.i(LOG_TAG, "Can't talk to package manager", e); 4487 return false; 4488 } finally { 4489 restoreCallingIdentity(id); 4490 } 4491 return true; 4492 } 4493 } 4494 4495 @Override 4496 public void setProfileEnabled(ComponentName who) { 4497 if (!mHasFeature) { 4498 return; 4499 } 4500 Preconditions.checkNotNull(who, "ComponentName is null"); 4501 final int userHandle = UserHandle.getCallingUserId(); 4502 synchronized (this) { 4503 // Check if this is the profile owner who is calling 4504 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4505 int userId = UserHandle.getCallingUserId(); 4506 4507 long id = Binder.clearCallingIdentity(); 4508 try { 4509 mUserManager.setUserEnabled(userId); 4510 UserInfo parent = mUserManager.getProfileParent(userId); 4511 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 4512 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userHandle)); 4513 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 4514 Intent.FLAG_RECEIVER_FOREGROUND); 4515 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 4516 } finally { 4517 restoreCallingIdentity(id); 4518 } 4519 } 4520 } 4521 4522 @Override 4523 public void setProfileName(ComponentName who, String profileName) { 4524 Preconditions.checkNotNull(who, "ComponentName is null"); 4525 int userId = UserHandle.getCallingUserId(); 4526 // Check if this is the profile owner (includes device owner). 4527 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4528 4529 long id = Binder.clearCallingIdentity(); 4530 try { 4531 mUserManager.setUserName(userId, profileName); 4532 } finally { 4533 restoreCallingIdentity(id); 4534 } 4535 } 4536 4537 @Override 4538 public ComponentName getProfileOwner(int userHandle) { 4539 if (!mHasFeature) { 4540 return null; 4541 } 4542 4543 synchronized (this) { 4544 return mOwners.getProfileOwnerComponent(userHandle); 4545 } 4546 } 4547 4548 // Returns the active profile owner for this user or null if the current user has no 4549 // profile owner. 4550 private ActiveAdmin getProfileOwnerAdmin(int userHandle) { 4551 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 4552 if (profileOwner == null) { 4553 return null; 4554 } 4555 DevicePolicyData policy = getUserData(userHandle); 4556 final int n = policy.mAdminList.size(); 4557 for (int i = 0; i < n; i++) { 4558 ActiveAdmin admin = policy.mAdminList.get(i); 4559 if (profileOwner.equals(admin.info.getComponent())) { 4560 return admin; 4561 } 4562 } 4563 return null; 4564 } 4565 4566 @Override 4567 public String getProfileOwnerName(int userHandle) { 4568 if (!mHasFeature) { 4569 return null; 4570 } 4571 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4572 ComponentName profileOwner = getProfileOwner(userHandle); 4573 if (profileOwner == null) { 4574 return null; 4575 } 4576 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 4577 } 4578 4579 /** 4580 * Canonical name for a given package. 4581 */ 4582 private String getApplicationLabel(String packageName, int userHandle) { 4583 long token = Binder.clearCallingIdentity(); 4584 try { 4585 final Context userContext; 4586 try { 4587 UserHandle handle = new UserHandle(userHandle); 4588 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 4589 } catch (PackageManager.NameNotFoundException nnfe) { 4590 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 4591 return null; 4592 } 4593 ApplicationInfo appInfo = userContext.getApplicationInfo(); 4594 CharSequence result = null; 4595 if (appInfo != null) { 4596 PackageManager pm = userContext.getPackageManager(); 4597 result = pm.getApplicationLabel(appInfo); 4598 } 4599 return result != null ? result.toString() : null; 4600 } finally { 4601 Binder.restoreCallingIdentity(token); 4602 } 4603 } 4604 4605 /** 4606 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 4607 * permission. 4608 * The profile owner can only be set before the user setup phase has completed, 4609 * except for: 4610 * - SYSTEM_UID 4611 * - adb if there are not accounts. 4612 */ 4613 private void enforceCanSetProfileOwner(int userHandle) { 4614 UserInfo info = mUserManager.getUserInfo(userHandle); 4615 if (info == null) { 4616 // User doesn't exist. 4617 throw new IllegalArgumentException( 4618 "Attempted to set profile owner for invalid userId: " + userHandle); 4619 } 4620 if (info.isGuest()) { 4621 throw new IllegalStateException("Cannot set a profile owner on a guest"); 4622 } 4623 if (getProfileOwner(userHandle) != null) { 4624 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 4625 + "is already set."); 4626 } 4627 int callingUid = Binder.getCallingUid(); 4628 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 4629 if (hasUserSetupCompleted(userHandle) && 4630 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 4631 throw new IllegalStateException("Not allowed to set the profile owner because " 4632 + "there are already some accounts on the profile"); 4633 } 4634 return; 4635 } 4636 mContext.enforceCallingOrSelfPermission( 4637 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 4638 if (hasUserSetupCompleted(userHandle) 4639 && UserHandle.getAppId(callingUid) != Process.SYSTEM_UID) { 4640 throw new IllegalStateException("Cannot set the profile owner on a user which is " 4641 + "already set-up"); 4642 } 4643 } 4644 4645 /** 4646 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 4647 * permission. 4648 * The device owner can only be set before the setup phase of the primary user has completed, 4649 * except for adb if no accounts or additional users are present on the device. 4650 */ 4651 private void enforceCanSetDeviceOwner() { 4652 if (mOwners != null && mOwners.hasDeviceOwner()) { 4653 throw new IllegalStateException("Trying to set the device owner, but device owner " 4654 + "is already set."); 4655 } 4656 int callingUid = Binder.getCallingUid(); 4657 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 4658 if (!hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4659 return; 4660 } 4661 if (mUserManager.getUserCount() > 1) { 4662 throw new IllegalStateException("Not allowed to set the device owner because there " 4663 + "are already several users on the device"); 4664 } 4665 if (AccountManager.get(mContext).getAccounts().length > 0) { 4666 throw new IllegalStateException("Not allowed to set the device owner because there " 4667 + "are already some accounts on the device"); 4668 } 4669 return; 4670 } 4671 mContext.enforceCallingOrSelfPermission( 4672 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 4673 if (hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4674 throw new IllegalStateException("Cannot set the device owner if the device is " 4675 + "already set-up"); 4676 } 4677 } 4678 4679 private void enforceCrossUserPermission(int userHandle) { 4680 if (userHandle < 0) { 4681 throw new IllegalArgumentException("Invalid userId " + userHandle); 4682 } 4683 final int callingUid = Binder.getCallingUid(); 4684 if (userHandle == UserHandle.getUserId(callingUid)) return; 4685 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4686 mContext.enforceCallingOrSelfPermission( 4687 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "Must be system or have" 4688 + " INTERACT_ACROSS_USERS_FULL permission"); 4689 } 4690 } 4691 4692 private void enforceSystemProcess(String message) { 4693 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4694 throw new SecurityException(message); 4695 } 4696 } 4697 4698 private void enforceNotManagedProfile(int userHandle, String message) { 4699 if(isManagedProfile(userHandle)) { 4700 throw new SecurityException("You can not " + message + " for a managed profile. "); 4701 } 4702 } 4703 4704 private UserInfo getProfileParent(int userHandle) { 4705 long ident = Binder.clearCallingIdentity(); 4706 try { 4707 return mUserManager.getProfileParent(userHandle); 4708 } finally { 4709 Binder.restoreCallingIdentity(ident); 4710 } 4711 } 4712 4713 private boolean isManagedProfile(int userHandle) { 4714 long ident = Binder.clearCallingIdentity(); 4715 try { 4716 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 4717 } finally { 4718 Binder.restoreCallingIdentity(ident); 4719 } 4720 } 4721 4722 private void enableIfNecessary(String packageName, int userId) { 4723 try { 4724 IPackageManager ipm = AppGlobals.getPackageManager(); 4725 ApplicationInfo ai = ipm.getApplicationInfo(packageName, 4726 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 4727 userId); 4728 if (ai.enabledSetting 4729 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 4730 ipm.setApplicationEnabledSetting(packageName, 4731 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 4732 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 4733 } 4734 } catch (RemoteException e) { 4735 } 4736 } 4737 4738 @Override 4739 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4740 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4741 != PackageManager.PERMISSION_GRANTED) { 4742 4743 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 4744 + Binder.getCallingPid() 4745 + ", uid=" + Binder.getCallingUid()); 4746 return; 4747 } 4748 4749 final Printer p = new PrintWriterPrinter(pw); 4750 4751 synchronized (this) { 4752 p.println("Current Device Policy Manager state:"); 4753 mOwners.dump(" ", pw); 4754 int userCount = mUserData.size(); 4755 for (int u = 0; u < userCount; u++) { 4756 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 4757 p.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); 4758 final int N = policy.mAdminList.size(); 4759 for (int i=0; i<N; i++) { 4760 ActiveAdmin ap = policy.mAdminList.get(i); 4761 if (ap != null) { 4762 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 4763 pw.println(":"); 4764 ap.dump(" ", pw); 4765 } 4766 } 4767 if (!policy.mRemovingAdmins.isEmpty()) { 4768 p.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 4769 + policy.mRemovingAdmins); 4770 } 4771 4772 pw.println(" "); 4773 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 4774 } 4775 } 4776 } 4777 4778 @Override 4779 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 4780 ComponentName activity) { 4781 Preconditions.checkNotNull(who, "ComponentName is null"); 4782 final int userHandle = UserHandle.getCallingUserId(); 4783 synchronized (this) { 4784 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4785 4786 IPackageManager pm = AppGlobals.getPackageManager(); 4787 long id = Binder.clearCallingIdentity(); 4788 try { 4789 pm.addPersistentPreferredActivity(filter, activity, userHandle); 4790 } catch (RemoteException re) { 4791 // Shouldn't happen 4792 } finally { 4793 restoreCallingIdentity(id); 4794 } 4795 } 4796 } 4797 4798 @Override 4799 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 4800 Preconditions.checkNotNull(who, "ComponentName is null"); 4801 final int userHandle = UserHandle.getCallingUserId(); 4802 synchronized (this) { 4803 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4804 4805 IPackageManager pm = AppGlobals.getPackageManager(); 4806 long id = Binder.clearCallingIdentity(); 4807 try { 4808 pm.clearPackagePersistentPreferredActivities(packageName, userHandle); 4809 } catch (RemoteException re) { 4810 // Shouldn't happen 4811 } finally { 4812 restoreCallingIdentity(id); 4813 } 4814 } 4815 } 4816 4817 @Override 4818 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 4819 Preconditions.checkNotNull(who, "ComponentName is null"); 4820 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4821 synchronized (this) { 4822 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4823 4824 long id = Binder.clearCallingIdentity(); 4825 try { 4826 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 4827 } finally { 4828 restoreCallingIdentity(id); 4829 } 4830 } 4831 } 4832 4833 @Override 4834 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 4835 PersistableBundle args) { 4836 if (!mHasFeature) { 4837 return; 4838 } 4839 Preconditions.checkNotNull(admin, "admin is null"); 4840 Preconditions.checkNotNull(agent, "agent is null"); 4841 final int userHandle = UserHandle.getCallingUserId(); 4842 enforceNotManagedProfile(userHandle, "set trust agent configuration"); 4843 synchronized (this) { 4844 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 4845 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4846 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 4847 saveSettingsLocked(userHandle); 4848 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4849 } 4850 } 4851 4852 @Override 4853 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 4854 ComponentName agent, int userHandle) { 4855 if (!mHasFeature) { 4856 return null; 4857 } 4858 Preconditions.checkNotNull(agent, "agent null"); 4859 enforceCrossUserPermission(userHandle); 4860 4861 synchronized (this) { 4862 final String componentName = agent.flattenToString(); 4863 if (admin != null) { 4864 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 4865 if (ap == null) return null; 4866 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 4867 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 4868 List<PersistableBundle> result = new ArrayList<PersistableBundle>(); 4869 result.add(trustAgentInfo.options); 4870 return result; 4871 } 4872 4873 // Return strictest policy for this user and profiles that are visible from this user. 4874 final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 4875 List<PersistableBundle> result = null; 4876 4877 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 4878 // of the options. If any admin doesn't have options, discard options for the rest 4879 // and return null. 4880 boolean allAdminsHaveOptions = true; 4881 for (UserInfo userInfo : profiles) { 4882 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 4883 final int N = policy.mAdminList.size(); 4884 for (int i=0; i < N; i++) { 4885 final ActiveAdmin active = policy.mAdminList.get(i); 4886 final boolean disablesTrust = (active.disabledKeyguardFeatures 4887 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 4888 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 4889 if (info != null && info.options != null && !info.options.isEmpty()) { 4890 if (disablesTrust) { 4891 if (result == null) { 4892 result = new ArrayList<PersistableBundle>(); 4893 } 4894 result.add(info.options); 4895 } else { 4896 Log.w(LOG_TAG, "Ignoring admin " + active.info 4897 + " because it has trust options but doesn't declare " 4898 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 4899 } 4900 } else if (disablesTrust) { 4901 allAdminsHaveOptions = false; 4902 break; 4903 } 4904 } 4905 } 4906 return allAdminsHaveOptions ? result : null; 4907 } 4908 } 4909 4910 @Override 4911 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 4912 Preconditions.checkNotNull(who, "ComponentName is null"); 4913 synchronized (this) { 4914 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4915 4916 int userHandle = UserHandle.getCallingUserId(); 4917 DevicePolicyData userData = getUserData(userHandle); 4918 userData.mRestrictionsProvider = permissionProvider; 4919 saveSettingsLocked(userHandle); 4920 } 4921 } 4922 4923 @Override 4924 public ComponentName getRestrictionsProvider(int userHandle) { 4925 synchronized (this) { 4926 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4927 throw new SecurityException("Only the system can query the permission provider"); 4928 } 4929 DevicePolicyData userData = getUserData(userHandle); 4930 return userData != null ? userData.mRestrictionsProvider : null; 4931 } 4932 } 4933 4934 @Override 4935 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 4936 Preconditions.checkNotNull(who, "ComponentName is null"); 4937 int callingUserId = UserHandle.getCallingUserId(); 4938 synchronized (this) { 4939 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4940 4941 IPackageManager pm = AppGlobals.getPackageManager(); 4942 long id = Binder.clearCallingIdentity(); 4943 try { 4944 UserInfo parent = mUserManager.getProfileParent(callingUserId); 4945 if (parent == null) { 4946 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 4947 + "parent"); 4948 return; 4949 } 4950 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 4951 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), callingUserId, 4952 parent.id, 0); 4953 } 4954 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 4955 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4956 parent.id, callingUserId, 0); 4957 } 4958 } catch (RemoteException re) { 4959 // Shouldn't happen 4960 } finally { 4961 restoreCallingIdentity(id); 4962 } 4963 } 4964 } 4965 4966 @Override 4967 public void clearCrossProfileIntentFilters(ComponentName who) { 4968 Preconditions.checkNotNull(who, "ComponentName is null"); 4969 int callingUserId = UserHandle.getCallingUserId(); 4970 synchronized (this) { 4971 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4972 IPackageManager pm = AppGlobals.getPackageManager(); 4973 long id = Binder.clearCallingIdentity(); 4974 try { 4975 UserInfo parent = mUserManager.getProfileParent(callingUserId); 4976 if (parent == null) { 4977 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 4978 + "parent"); 4979 return; 4980 } 4981 // Removing those that go from the managed profile to the parent. 4982 pm.clearCrossProfileIntentFilters(callingUserId, who.getPackageName()); 4983 // And those that go from the parent to the managed profile. 4984 // If we want to support multiple managed profiles, we will have to only remove 4985 // those that have callingUserId as their target. 4986 pm.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 4987 } catch (RemoteException re) { 4988 // Shouldn't happen 4989 } finally { 4990 restoreCallingIdentity(id); 4991 } 4992 } 4993 } 4994 4995 /** 4996 * @return true if all packages in enabledPackages are either in the list 4997 * permittedList or are a system app. 4998 */ 4999 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 5000 List<String> permittedList) { 5001 int userIdToCheck = UserHandle.getCallingUserId(); 5002 long id = Binder.clearCallingIdentity(); 5003 try { 5004 // If we have an enabled packages list for a managed profile the packages 5005 // we should check are installed for the parent user. 5006 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 5007 if (user.isManagedProfile()) { 5008 userIdToCheck = user.profileGroupId; 5009 } 5010 5011 IPackageManager pm = AppGlobals.getPackageManager(); 5012 for (String enabledPackage : enabledPackages) { 5013 boolean systemService = false; 5014 try { 5015 ApplicationInfo applicationInfo = pm.getApplicationInfo(enabledPackage, 5016 PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 5017 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 5018 } catch (RemoteException e) { 5019 Log.i(LOG_TAG, "Can't talk to package managed", e); 5020 } 5021 if (!systemService && !permittedList.contains(enabledPackage)) { 5022 return false; 5023 } 5024 } 5025 } finally { 5026 restoreCallingIdentity(id); 5027 } 5028 return true; 5029 } 5030 5031 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 5032 // Not using AccessibilityManager.getInstance because that guesses 5033 // at the user you require based on callingUid and caches for a given 5034 // process. 5035 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 5036 IAccessibilityManager service = iBinder == null 5037 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 5038 return new AccessibilityManager(mContext, service, userId); 5039 } 5040 5041 @Override 5042 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 5043 if (!mHasFeature) { 5044 return false; 5045 } 5046 Preconditions.checkNotNull(who, "ComponentName is null"); 5047 5048 if (packageList != null) { 5049 int userId = UserHandle.getCallingUserId(); 5050 List<AccessibilityServiceInfo> enabledServices = null; 5051 long id = Binder.clearCallingIdentity(); 5052 try { 5053 UserInfo user = mUserManager.getUserInfo(userId); 5054 if (user.isManagedProfile()) { 5055 userId = user.profileGroupId; 5056 } 5057 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 5058 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 5059 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 5060 } finally { 5061 restoreCallingIdentity(id); 5062 } 5063 5064 if (enabledServices != null) { 5065 List<String> enabledPackages = new ArrayList<String>(); 5066 for (AccessibilityServiceInfo service : enabledServices) { 5067 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 5068 } 5069 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 5070 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 5071 + "because it contains already enabled accesibility services."); 5072 return false; 5073 } 5074 } 5075 } 5076 5077 synchronized (this) { 5078 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5079 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5080 admin.permittedAccessiblityServices = packageList; 5081 saveSettingsLocked(UserHandle.getCallingUserId()); 5082 } 5083 return true; 5084 } 5085 5086 @Override 5087 public List getPermittedAccessibilityServices(ComponentName who) { 5088 if (!mHasFeature) { 5089 return null; 5090 } 5091 Preconditions.checkNotNull(who, "ComponentName is null"); 5092 5093 synchronized (this) { 5094 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5095 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5096 return admin.permittedAccessiblityServices; 5097 } 5098 } 5099 5100 @Override 5101 public List getPermittedAccessibilityServicesForUser(int userId) { 5102 if (!mHasFeature) { 5103 return null; 5104 } 5105 synchronized (this) { 5106 List<String> result = null; 5107 // If we have multiple profiles we return the intersection of the 5108 // permitted lists. This can happen in cases where we have a device 5109 // and profile owner. 5110 List<UserInfo> profiles = mUserManager.getProfiles(userId); 5111 final int PROFILES_SIZE = profiles.size(); 5112 for (int i = 0; i < PROFILES_SIZE; ++i) { 5113 // Just loop though all admins, only device or profiles 5114 // owners can have permitted lists set. 5115 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 5116 final int N = policy.mAdminList.size(); 5117 for (int j = 0; j < N; j++) { 5118 ActiveAdmin admin = policy.mAdminList.get(j); 5119 List<String> fromAdmin = admin.permittedAccessiblityServices; 5120 if (fromAdmin != null) { 5121 if (result == null) { 5122 result = new ArrayList<String>(fromAdmin); 5123 } else { 5124 result.retainAll(fromAdmin); 5125 } 5126 } 5127 } 5128 } 5129 5130 // If we have a permitted list add all system accessibility services. 5131 if (result != null) { 5132 long id = Binder.clearCallingIdentity(); 5133 try { 5134 UserInfo user = mUserManager.getUserInfo(userId); 5135 if (user.isManagedProfile()) { 5136 userId = user.profileGroupId; 5137 } 5138 AccessibilityManager accessibilityManager = 5139 getAccessibilityManagerForUser(userId); 5140 List<AccessibilityServiceInfo> installedServices = 5141 accessibilityManager.getInstalledAccessibilityServiceList(); 5142 5143 IPackageManager pm = AppGlobals.getPackageManager(); 5144 if (installedServices != null) { 5145 for (AccessibilityServiceInfo service : installedServices) { 5146 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 5147 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 5148 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 5149 result.add(serviceInfo.packageName); 5150 } 5151 } 5152 } 5153 } finally { 5154 restoreCallingIdentity(id); 5155 } 5156 } 5157 5158 return result; 5159 } 5160 } 5161 5162 private boolean checkCallerIsCurrentUserOrProfile() { 5163 int callingUserId = UserHandle.getCallingUserId(); 5164 long token = Binder.clearCallingIdentity(); 5165 try { 5166 UserInfo currentUser; 5167 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 5168 try { 5169 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 5170 } catch (RemoteException e) { 5171 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 5172 return false; 5173 } 5174 5175 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 5176 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 5177 + "of a user that isn't the foreground user."); 5178 return false; 5179 } 5180 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 5181 Slog.e(LOG_TAG, "Cannot set permitted input methods " 5182 + "of a user that isn't the foreground user."); 5183 return false; 5184 } 5185 } finally { 5186 Binder.restoreCallingIdentity(token); 5187 } 5188 return true; 5189 } 5190 5191 @Override 5192 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 5193 if (!mHasFeature) { 5194 return false; 5195 } 5196 Preconditions.checkNotNull(who, "ComponentName is null"); 5197 5198 // TODO When InputMethodManager supports per user calls remove 5199 // this restriction. 5200 if (!checkCallerIsCurrentUserOrProfile()) { 5201 return false; 5202 } 5203 5204 if (packageList != null) { 5205 // InputMethodManager fetches input methods for current user. 5206 // So this can only be set when calling user is the current user 5207 // or parent is current user in case of managed profiles. 5208 InputMethodManager inputMethodManager = (InputMethodManager) mContext 5209 .getSystemService(Context.INPUT_METHOD_SERVICE); 5210 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 5211 5212 if (enabledImes != null) { 5213 List<String> enabledPackages = new ArrayList<String>(); 5214 for (InputMethodInfo ime : enabledImes) { 5215 enabledPackages.add(ime.getPackageName()); 5216 } 5217 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 5218 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 5219 + "because it contains already enabled input method."); 5220 return false; 5221 } 5222 } 5223 } 5224 5225 synchronized (this) { 5226 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5227 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5228 admin.permittedInputMethods = packageList; 5229 saveSettingsLocked(UserHandle.getCallingUserId()); 5230 } 5231 return true; 5232 } 5233 5234 @Override 5235 public List getPermittedInputMethods(ComponentName who) { 5236 if (!mHasFeature) { 5237 return null; 5238 } 5239 Preconditions.checkNotNull(who, "ComponentName is null"); 5240 5241 synchronized (this) { 5242 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5243 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5244 return admin.permittedInputMethods; 5245 } 5246 } 5247 5248 @Override 5249 public List getPermittedInputMethodsForCurrentUser() { 5250 UserInfo currentUser; 5251 try { 5252 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 5253 } catch (RemoteException e) { 5254 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 5255 // Activity managed is dead, just allow all IMEs 5256 return null; 5257 } 5258 5259 int userId = currentUser.id; 5260 synchronized (this) { 5261 List<String> result = null; 5262 // If we have multiple profiles we return the intersection of the 5263 // permitted lists. This can happen in cases where we have a device 5264 // and profile owner. 5265 List<UserInfo> profiles = mUserManager.getProfiles(userId); 5266 final int PROFILES_SIZE = profiles.size(); 5267 for (int i = 0; i < PROFILES_SIZE; ++i) { 5268 // Just loop though all admins, only device or profiles 5269 // owners can have permitted lists set. 5270 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 5271 final int N = policy.mAdminList.size(); 5272 for (int j = 0; j < N; j++) { 5273 ActiveAdmin admin = policy.mAdminList.get(j); 5274 List<String> fromAdmin = admin.permittedInputMethods; 5275 if (fromAdmin != null) { 5276 if (result == null) { 5277 result = new ArrayList<String>(fromAdmin); 5278 } else { 5279 result.retainAll(fromAdmin); 5280 } 5281 } 5282 } 5283 } 5284 5285 // If we have a permitted list add all system input methods. 5286 if (result != null) { 5287 InputMethodManager inputMethodManager = (InputMethodManager) mContext 5288 .getSystemService(Context.INPUT_METHOD_SERVICE); 5289 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 5290 long id = Binder.clearCallingIdentity(); 5291 try { 5292 IPackageManager pm = AppGlobals.getPackageManager(); 5293 if (imes != null) { 5294 for (InputMethodInfo ime : imes) { 5295 ServiceInfo serviceInfo = ime.getServiceInfo(); 5296 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 5297 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 5298 result.add(serviceInfo.packageName); 5299 } 5300 } 5301 } 5302 } finally { 5303 restoreCallingIdentity(id); 5304 } 5305 } 5306 return result; 5307 } 5308 } 5309 5310 @Override 5311 public UserHandle createUser(ComponentName who, String name) { 5312 Preconditions.checkNotNull(who, "ComponentName is null"); 5313 synchronized (this) { 5314 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5315 5316 long id = Binder.clearCallingIdentity(); 5317 try { 5318 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 5319 if (userInfo != null) { 5320 return userInfo.getUserHandle(); 5321 } 5322 return null; 5323 } finally { 5324 restoreCallingIdentity(id); 5325 } 5326 } 5327 } 5328 5329 @Override 5330 public UserHandle createAndInitializeUser(ComponentName who, String name, 5331 String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { 5332 UserHandle user = createUser(who, name); 5333 if (user == null) { 5334 return null; 5335 } 5336 long id = Binder.clearCallingIdentity(); 5337 try { 5338 String profileOwnerPkg = profileOwnerComponent.getPackageName(); 5339 final IPackageManager ipm = AppGlobals.getPackageManager(); 5340 IActivityManager activityManager = ActivityManagerNative.getDefault(); 5341 5342 final int userHandle = user.getIdentifier(); 5343 try { 5344 // Install the profile owner if not present. 5345 if (!ipm.isPackageAvailable(profileOwnerPkg, userHandle)) { 5346 ipm.installExistingPackageAsUser(profileOwnerPkg, userHandle); 5347 } 5348 5349 // Start user in background. 5350 activityManager.startUserInBackground(userHandle); 5351 } catch (RemoteException e) { 5352 Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); 5353 } 5354 5355 setActiveAdmin(profileOwnerComponent, true, userHandle, adminExtras); 5356 setProfileOwner(profileOwnerComponent, ownerName, userHandle); 5357 return user; 5358 } finally { 5359 restoreCallingIdentity(id); 5360 } 5361 } 5362 5363 @Override 5364 public boolean removeUser(ComponentName who, UserHandle userHandle) { 5365 Preconditions.checkNotNull(who, "ComponentName is null"); 5366 synchronized (this) { 5367 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5368 5369 long id = Binder.clearCallingIdentity(); 5370 try { 5371 return mUserManager.removeUser(userHandle.getIdentifier()); 5372 } finally { 5373 restoreCallingIdentity(id); 5374 } 5375 } 5376 } 5377 5378 @Override 5379 public boolean switchUser(ComponentName who, UserHandle userHandle) { 5380 Preconditions.checkNotNull(who, "ComponentName is null"); 5381 synchronized (this) { 5382 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5383 5384 long id = Binder.clearCallingIdentity(); 5385 try { 5386 int userId = UserHandle.USER_OWNER; 5387 if (userHandle != null) { 5388 userId = userHandle.getIdentifier(); 5389 } 5390 return ActivityManagerNative.getDefault().switchUser(userId); 5391 } catch (RemoteException e) { 5392 Log.e(LOG_TAG, "Couldn't switch user", e); 5393 return false; 5394 } finally { 5395 restoreCallingIdentity(id); 5396 } 5397 } 5398 } 5399 5400 @Override 5401 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 5402 Preconditions.checkNotNull(who, "ComponentName is null"); 5403 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 5404 5405 synchronized (this) { 5406 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5407 5408 long id = Binder.clearCallingIdentity(); 5409 try { 5410 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 5411 // if no restrictions were saved, mUserManager.getApplicationRestrictions 5412 // returns null, but DPM method should return an empty Bundle as per JavaDoc 5413 return bundle != null ? bundle : Bundle.EMPTY; 5414 } finally { 5415 restoreCallingIdentity(id); 5416 } 5417 } 5418 } 5419 5420 @Override 5421 public void setUserRestriction(ComponentName who, String key, boolean enabled) { 5422 Preconditions.checkNotNull(who, "ComponentName is null"); 5423 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 5424 final int userHandle = user.getIdentifier(); 5425 synchronized (this) { 5426 ActiveAdmin activeAdmin = 5427 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5428 boolean isDeviceOwner = isDeviceOwner(activeAdmin.info.getPackageName()); 5429 if (!isDeviceOwner && userHandle != UserHandle.USER_OWNER 5430 && DEVICE_OWNER_USER_RESTRICTIONS.contains(key)) { 5431 throw new SecurityException("Profile owners cannot set user restriction " + key); 5432 } 5433 if (IMMUTABLE_USER_RESTRICTIONS.contains(key)) { 5434 throw new SecurityException("User restriction " + key + " cannot be changed"); 5435 } 5436 boolean alreadyRestricted = mUserManager.hasUserRestriction(key, user); 5437 5438 IAudioService iAudioService = null; 5439 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key) 5440 || UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5441 iAudioService = IAudioService.Stub.asInterface( 5442 ServiceManager.getService(Context.AUDIO_SERVICE)); 5443 } 5444 5445 long id = Binder.clearCallingIdentity(); 5446 try { 5447 if (enabled && !alreadyRestricted) { 5448 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 5449 iAudioService.setMicrophoneMute(true, mContext.getPackageName(), 5450 userHandle); 5451 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5452 iAudioService.setMasterMute(true, 0, mContext.getPackageName(), 5453 userHandle); 5454 } 5455 if (UserManager.DISALLOW_CONFIG_WIFI.equals(key)) { 5456 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5457 Settings.Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0, 5458 userHandle); 5459 } else if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 5460 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5461 Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF, 5462 userHandle); 5463 Settings.Secure.putStringForUser(mContext.getContentResolver(), 5464 Settings.Secure.LOCATION_PROVIDERS_ALLOWED, "", 5465 userHandle); 5466 } else if (UserManager.DISALLOW_DEBUGGING_FEATURES.equals(key)) { 5467 // Only disable adb if changing for primary user, since it is global 5468 if (userHandle == UserHandle.USER_OWNER) { 5469 Settings.Global.putStringForUser(mContext.getContentResolver(), 5470 Settings.Global.ADB_ENABLED, "0", userHandle); 5471 } 5472 } else if (UserManager.ENSURE_VERIFY_APPS.equals(key)) { 5473 Settings.Global.putStringForUser(mContext.getContentResolver(), 5474 Settings.Global.PACKAGE_VERIFIER_ENABLE, "1", 5475 userHandle); 5476 Settings.Global.putStringForUser(mContext.getContentResolver(), 5477 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, "1", 5478 userHandle); 5479 } else if (UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES.equals(key)) { 5480 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5481 Settings.Secure.INSTALL_NON_MARKET_APPS, 0, 5482 userHandle); 5483 } 5484 } 5485 mUserManager.setUserRestriction(key, enabled, user); 5486 if (enabled != alreadyRestricted) { 5487 if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 5488 // Send out notifications however as some clients may want to reread the 5489 // value which actually changed due to a restriction having been applied. 5490 final String property = Settings.Secure.SYS_PROP_SETTING_VERSION; 5491 long version = SystemProperties.getLong(property, 0) + 1; 5492 SystemProperties.set(property, Long.toString(version)); 5493 5494 final String name = Settings.Secure.LOCATION_PROVIDERS_ALLOWED; 5495 Uri url = Uri.withAppendedPath(Settings.Secure.CONTENT_URI, name); 5496 mContext.getContentResolver().notifyChange(url, null, true, userHandle); 5497 } 5498 } 5499 if (!enabled && alreadyRestricted) { 5500 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 5501 iAudioService.setMicrophoneMute(false, mContext.getPackageName(), 5502 userHandle); 5503 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5504 iAudioService.setMasterMute(false, 0, mContext.getPackageName(), 5505 userHandle); 5506 } 5507 } 5508 } catch (RemoteException re) { 5509 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 5510 } finally { 5511 restoreCallingIdentity(id); 5512 } 5513 sendChangedNotification(userHandle); 5514 } 5515 } 5516 5517 @Override 5518 public boolean setApplicationHidden(ComponentName who, String packageName, 5519 boolean hidden) { 5520 Preconditions.checkNotNull(who, "ComponentName is null"); 5521 int callingUserId = UserHandle.getCallingUserId(); 5522 synchronized (this) { 5523 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5524 5525 long id = Binder.clearCallingIdentity(); 5526 try { 5527 IPackageManager pm = AppGlobals.getPackageManager(); 5528 return pm.setApplicationHiddenSettingAsUser(packageName, hidden, callingUserId); 5529 } catch (RemoteException re) { 5530 // shouldn't happen 5531 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 5532 } finally { 5533 restoreCallingIdentity(id); 5534 } 5535 return false; 5536 } 5537 } 5538 5539 @Override 5540 public boolean isApplicationHidden(ComponentName who, String packageName) { 5541 Preconditions.checkNotNull(who, "ComponentName is null"); 5542 int callingUserId = UserHandle.getCallingUserId(); 5543 synchronized (this) { 5544 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5545 5546 long id = Binder.clearCallingIdentity(); 5547 try { 5548 IPackageManager pm = AppGlobals.getPackageManager(); 5549 return pm.getApplicationHiddenSettingAsUser(packageName, callingUserId); 5550 } catch (RemoteException re) { 5551 // shouldn't happen 5552 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 5553 } finally { 5554 restoreCallingIdentity(id); 5555 } 5556 return false; 5557 } 5558 } 5559 5560 @Override 5561 public void enableSystemApp(ComponentName who, String packageName) { 5562 Preconditions.checkNotNull(who, "ComponentName is null"); 5563 synchronized (this) { 5564 // This API can only be called by an active device admin, 5565 // so try to retrieve it to check that the caller is one. 5566 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5567 5568 int userId = UserHandle.getCallingUserId(); 5569 long id = Binder.clearCallingIdentity(); 5570 5571 try { 5572 if (DBG) { 5573 Slog.v(LOG_TAG, "installing " + packageName + " for " 5574 + userId); 5575 } 5576 5577 UserManager um = UserManager.get(mContext); 5578 UserInfo primaryUser = um.getProfileParent(userId); 5579 5580 // Call did not come from a managed profile 5581 if (primaryUser == null) { 5582 primaryUser = um.getUserInfo(userId); 5583 } 5584 5585 IPackageManager pm = AppGlobals.getPackageManager(); 5586 if (!isSystemApp(pm, packageName, primaryUser.id)) { 5587 throw new IllegalArgumentException("Only system apps can be enabled this way."); 5588 } 5589 5590 // Install the app. 5591 pm.installExistingPackageAsUser(packageName, userId); 5592 5593 } catch (RemoteException re) { 5594 // shouldn't happen 5595 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 5596 } finally { 5597 restoreCallingIdentity(id); 5598 } 5599 } 5600 } 5601 5602 @Override 5603 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 5604 Preconditions.checkNotNull(who, "ComponentName is null"); 5605 synchronized (this) { 5606 // This API can only be called by an active device admin, 5607 // so try to retrieve it to check that the caller is one. 5608 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5609 5610 int userId = UserHandle.getCallingUserId(); 5611 long id = Binder.clearCallingIdentity(); 5612 5613 try { 5614 UserManager um = UserManager.get(mContext); 5615 UserInfo primaryUser = um.getProfileParent(userId); 5616 5617 // Call did not come from a managed profile. 5618 if (primaryUser == null) { 5619 primaryUser = um.getUserInfo(userId); 5620 } 5621 5622 IPackageManager pm = AppGlobals.getPackageManager(); 5623 List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent, 5624 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 5625 0, // no flags 5626 primaryUser.id); 5627 5628 if (DBG) Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 5629 int numberOfAppsInstalled = 0; 5630 if (activitiesToEnable != null) { 5631 for (ResolveInfo info : activitiesToEnable) { 5632 if (info.activityInfo != null) { 5633 String packageName = info.activityInfo.packageName; 5634 if (isSystemApp(pm, packageName, primaryUser.id)) { 5635 numberOfAppsInstalled++; 5636 pm.installExistingPackageAsUser(packageName, userId); 5637 } else { 5638 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 5639 + " system app"); 5640 } 5641 } 5642 } 5643 } 5644 return numberOfAppsInstalled; 5645 } catch (RemoteException e) { 5646 // shouldn't happen 5647 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 5648 return 0; 5649 } finally { 5650 restoreCallingIdentity(id); 5651 } 5652 } 5653 } 5654 5655 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 5656 throws RemoteException { 5657 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 5658 userId); 5659 if (appInfo == null) { 5660 throw new IllegalArgumentException("The application " + packageName + 5661 " is not present on this device"); 5662 } 5663 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 5664 } 5665 5666 @Override 5667 public void setAccountManagementDisabled(ComponentName who, String accountType, 5668 boolean disabled) { 5669 if (!mHasFeature) { 5670 return; 5671 } 5672 Preconditions.checkNotNull(who, "ComponentName is null"); 5673 synchronized (this) { 5674 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5675 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5676 if (disabled) { 5677 ap.accountTypesWithManagementDisabled.add(accountType); 5678 } else { 5679 ap.accountTypesWithManagementDisabled.remove(accountType); 5680 } 5681 saveSettingsLocked(UserHandle.getCallingUserId()); 5682 } 5683 } 5684 5685 @Override 5686 public String[] getAccountTypesWithManagementDisabled() { 5687 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 5688 } 5689 5690 @Override 5691 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 5692 enforceCrossUserPermission(userId); 5693 if (!mHasFeature) { 5694 return null; 5695 } 5696 synchronized (this) { 5697 DevicePolicyData policy = getUserData(userId); 5698 final int N = policy.mAdminList.size(); 5699 HashSet<String> resultSet = new HashSet<String>(); 5700 for (int i = 0; i < N; i++) { 5701 ActiveAdmin admin = policy.mAdminList.get(i); 5702 resultSet.addAll(admin.accountTypesWithManagementDisabled); 5703 } 5704 return resultSet.toArray(new String[resultSet.size()]); 5705 } 5706 } 5707 5708 @Override 5709 public void setUninstallBlocked(ComponentName who, String packageName, 5710 boolean uninstallBlocked) { 5711 Preconditions.checkNotNull(who, "ComponentName is null"); 5712 final int userId = UserHandle.getCallingUserId(); 5713 synchronized (this) { 5714 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5715 5716 long id = Binder.clearCallingIdentity(); 5717 try { 5718 IPackageManager pm = AppGlobals.getPackageManager(); 5719 pm.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 5720 } catch (RemoteException re) { 5721 // Shouldn't happen. 5722 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 5723 } finally { 5724 restoreCallingIdentity(id); 5725 } 5726 } 5727 } 5728 5729 @Override 5730 public boolean isUninstallBlocked(ComponentName who, String packageName) { 5731 // This function should return true if and only if the package is blocked by 5732 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 5733 // when the package is a system app, or when it is an active device admin. 5734 final int userId = UserHandle.getCallingUserId(); 5735 5736 synchronized (this) { 5737 if (who != null) { 5738 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5739 } 5740 5741 long id = Binder.clearCallingIdentity(); 5742 try { 5743 IPackageManager pm = AppGlobals.getPackageManager(); 5744 return pm.getBlockUninstallForUser(packageName, userId); 5745 } catch (RemoteException re) { 5746 // Shouldn't happen. 5747 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 5748 } finally { 5749 restoreCallingIdentity(id); 5750 } 5751 } 5752 return false; 5753 } 5754 5755 @Override 5756 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 5757 if (!mHasFeature) { 5758 return; 5759 } 5760 Preconditions.checkNotNull(who, "ComponentName is null"); 5761 synchronized (this) { 5762 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5763 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5764 if (admin.disableCallerId != disabled) { 5765 admin.disableCallerId = disabled; 5766 saveSettingsLocked(UserHandle.getCallingUserId()); 5767 } 5768 } 5769 } 5770 5771 @Override 5772 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 5773 if (!mHasFeature) { 5774 return false; 5775 } 5776 Preconditions.checkNotNull(who, "ComponentName is null"); 5777 synchronized (this) { 5778 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5779 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5780 return admin.disableCallerId; 5781 } 5782 } 5783 5784 @Override 5785 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 5786 // TODO: Should there be a check to make sure this relationship is within a profile group? 5787 //enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5788 synchronized (this) { 5789 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5790 return (admin != null) ? admin.disableCallerId : false; 5791 } 5792 } 5793 5794 @Override 5795 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 5796 Intent originalIntent) { 5797 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent( 5798 actualLookupKey, actualContactId, originalIntent); 5799 final int callingUserId = UserHandle.getCallingUserId(); 5800 5801 final long ident = Binder.clearCallingIdentity(); 5802 try { 5803 synchronized (this) { 5804 final int managedUserId = getManagedUserId(callingUserId); 5805 if (managedUserId < 0) { 5806 return; 5807 } 5808 if (getCrossProfileCallerIdDisabledForUser(managedUserId)) { 5809 if (VERBOSE_LOG) { 5810 Log.v(LOG_TAG, 5811 "Cross-profile contacts access disabled for user " + managedUserId); 5812 } 5813 return; 5814 } 5815 ContactsInternal.startQuickContactWithErrorToastForUser( 5816 mContext, intent, new UserHandle(managedUserId)); 5817 } 5818 } finally { 5819 Binder.restoreCallingIdentity(ident); 5820 } 5821 } 5822 5823 /** 5824 * @return the user ID of the managed user that is linked to the current user, if any. 5825 * Otherwise -1. 5826 */ 5827 public int getManagedUserId(int callingUserId) { 5828 if (VERBOSE_LOG) { 5829 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 5830 } 5831 5832 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 5833 if (ui.id == callingUserId || !ui.isManagedProfile()) { 5834 continue; // Caller user self, or not a managed profile. Skip. 5835 } 5836 if (VERBOSE_LOG) { 5837 Log.v(LOG_TAG, "Managed user=" + ui.id); 5838 } 5839 return ui.id; 5840 } 5841 if (VERBOSE_LOG) { 5842 Log.v(LOG_TAG, "Managed user not found."); 5843 } 5844 return -1; 5845 } 5846 5847 @Override 5848 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 5849 if (!mHasFeature) { 5850 return; 5851 } 5852 Preconditions.checkNotNull(who, "ComponentName is null"); 5853 synchronized (this) { 5854 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5855 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5856 if (admin.disableBluetoothContactSharing != disabled) { 5857 admin.disableBluetoothContactSharing = disabled; 5858 saveSettingsLocked(UserHandle.getCallingUserId()); 5859 } 5860 } 5861 } 5862 5863 @Override 5864 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 5865 if (!mHasFeature) { 5866 return false; 5867 } 5868 Preconditions.checkNotNull(who, "ComponentName is null"); 5869 synchronized (this) { 5870 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5871 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5872 return admin.disableBluetoothContactSharing; 5873 } 5874 } 5875 5876 @Override 5877 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 5878 // TODO: Should there be a check to make sure this relationship is 5879 // within a profile group? 5880 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5881 synchronized (this) { 5882 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5883 return (admin != null) ? admin.disableBluetoothContactSharing : false; 5884 } 5885 } 5886 5887 /** 5888 * Sets which packages may enter lock task mode. 5889 * 5890 * This function can only be called by the device owner. 5891 * @param packages The list of packages allowed to enter lock task mode. 5892 */ 5893 @Override 5894 public void setLockTaskPackages(ComponentName who, String[] packages) 5895 throws SecurityException { 5896 Preconditions.checkNotNull(who, "ComponentName is null"); 5897 synchronized (this) { 5898 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5899 5900 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5901 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 5902 } 5903 } 5904 5905 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 5906 DevicePolicyData policy = getUserData(userHandle); 5907 policy.mLockTaskPackages = packages; 5908 5909 // Store the settings persistently. 5910 saveSettingsLocked(userHandle); 5911 updateLockTaskPackagesLocked(packages, userHandle); 5912 } 5913 5914 /** 5915 * This function returns the list of components allowed to start the task lock mode. 5916 */ 5917 @Override 5918 public String[] getLockTaskPackages(ComponentName who) { 5919 Preconditions.checkNotNull(who, "ComponentName is null"); 5920 synchronized (this) { 5921 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5922 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5923 final List<String> packages = getLockTaskPackagesLocked(userHandle); 5924 return packages.toArray(new String[packages.size()]); 5925 } 5926 } 5927 5928 private List<String> getLockTaskPackagesLocked(int userHandle) { 5929 final DevicePolicyData policy = getUserData(userHandle); 5930 return policy.mLockTaskPackages; 5931 } 5932 5933 /** 5934 * This function lets the caller know whether the given package is allowed to start the 5935 * lock task mode. 5936 * @param pkg The package to check 5937 */ 5938 @Override 5939 public boolean isLockTaskPermitted(String pkg) { 5940 // Get current user's devicepolicy 5941 int uid = Binder.getCallingUid(); 5942 int userHandle = UserHandle.getUserId(uid); 5943 DevicePolicyData policy = getUserData(userHandle); 5944 synchronized (this) { 5945 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 5946 String lockTaskPackage = policy.mLockTaskPackages.get(i); 5947 5948 // If the given package equals one of the packages stored our list, 5949 // we allow this package to start lock task mode. 5950 if (lockTaskPackage.equals(pkg)) { 5951 return true; 5952 } 5953 } 5954 } 5955 return false; 5956 } 5957 5958 @Override 5959 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 5960 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 5961 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 5962 } 5963 synchronized (this) { 5964 final DevicePolicyData policy = getUserData(userHandle); 5965 Bundle adminExtras = new Bundle(); 5966 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 5967 for (ActiveAdmin admin : policy.mAdminList) { 5968 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 5969 boolean ownsProfile = (getProfileOwner(userHandle) != null 5970 && getProfileOwner(userHandle).equals(admin.info.getPackageName())); 5971 if (ownsDevice || ownsProfile) { 5972 if (isEnabled) { 5973 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 5974 adminExtras, null); 5975 } else { 5976 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 5977 } 5978 } 5979 } 5980 } 5981 } 5982 5983 @Override 5984 public void setGlobalSetting(ComponentName who, String setting, String value) { 5985 final ContentResolver contentResolver = mContext.getContentResolver(); 5986 Preconditions.checkNotNull(who, "ComponentName is null"); 5987 5988 synchronized (this) { 5989 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5990 5991 // Some settings are no supported any more. However we do not want to throw a 5992 // SecurityException to avoid breaking apps. 5993 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 5994 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 5995 return; 5996 } 5997 5998 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 5999 throw new SecurityException(String.format( 6000 "Permission denial: device owners cannot update %1$s", setting)); 6001 } 6002 6003 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 6004 // ignore if it contradicts an existing policy 6005 long timeMs = getMaximumTimeToLock(who, UserHandle.getCallingUserId()); 6006 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 6007 return; 6008 } 6009 } 6010 6011 long id = Binder.clearCallingIdentity(); 6012 try { 6013 Settings.Global.putString(contentResolver, setting, value); 6014 } finally { 6015 restoreCallingIdentity(id); 6016 } 6017 } 6018 } 6019 6020 @Override 6021 public void setSecureSetting(ComponentName who, String setting, String value) { 6022 Preconditions.checkNotNull(who, "ComponentName is null"); 6023 int callingUserId = UserHandle.getCallingUserId(); 6024 final ContentResolver contentResolver = mContext.getContentResolver(); 6025 6026 synchronized (this) { 6027 ActiveAdmin activeAdmin = 6028 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6029 6030 if (isDeviceOwner(activeAdmin.info.getPackageName())) { 6031 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 6032 throw new SecurityException(String.format( 6033 "Permission denial: Device owners cannot update %1$s", setting)); 6034 } 6035 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 6036 throw new SecurityException(String.format( 6037 "Permission denial: Profile owners cannot update %1$s", setting)); 6038 } 6039 6040 long id = Binder.clearCallingIdentity(); 6041 try { 6042 Settings.Secure.putStringForUser(contentResolver, setting, value, callingUserId); 6043 } finally { 6044 restoreCallingIdentity(id); 6045 } 6046 } 6047 } 6048 6049 @Override 6050 public void setMasterVolumeMuted(ComponentName who, boolean on) { 6051 Preconditions.checkNotNull(who, "ComponentName is null"); 6052 synchronized (this) { 6053 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6054 int userId = UserHandle.getCallingUserId(); 6055 long identity = Binder.clearCallingIdentity(); 6056 try { 6057 IAudioService iAudioService = IAudioService.Stub.asInterface( 6058 ServiceManager.getService(Context.AUDIO_SERVICE)); 6059 iAudioService.setMasterMute(on, 0, mContext.getPackageName(), userId); 6060 } catch (RemoteException re) { 6061 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 6062 } finally { 6063 Binder.restoreCallingIdentity(identity); 6064 } 6065 } 6066 } 6067 6068 @Override 6069 public boolean isMasterVolumeMuted(ComponentName who) { 6070 Preconditions.checkNotNull(who, "ComponentName is null"); 6071 synchronized (this) { 6072 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6073 6074 AudioManager audioManager = 6075 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 6076 return audioManager.isMasterMute(); 6077 } 6078 } 6079 6080 @Override 6081 public void setUserIcon(ComponentName who, Bitmap icon) { 6082 synchronized (this) { 6083 Preconditions.checkNotNull(who, "ComponentName is null"); 6084 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6085 6086 int userId = UserHandle.getCallingUserId(); 6087 long id = Binder.clearCallingIdentity(); 6088 try { 6089 mUserManager.setUserIcon(userId, icon); 6090 } finally { 6091 restoreCallingIdentity(id); 6092 } 6093 } 6094 } 6095 6096 @Override 6097 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 6098 Preconditions.checkNotNull(who, "ComponentName is null"); 6099 synchronized (this) { 6100 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6101 } 6102 final int userId = UserHandle.getCallingUserId(); 6103 LockPatternUtils utils = new LockPatternUtils(mContext); 6104 6105 long ident = Binder.clearCallingIdentity(); 6106 try { 6107 // disallow disabling the keyguard if a password is currently set 6108 if (disabled && utils.isSecure(userId)) { 6109 return false; 6110 } 6111 utils.setLockScreenDisabled(disabled, userId); 6112 } finally { 6113 Binder.restoreCallingIdentity(ident); 6114 } 6115 return true; 6116 } 6117 6118 @Override 6119 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 6120 int userId = UserHandle.getCallingUserId(); 6121 synchronized (this) { 6122 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6123 DevicePolicyData policy = getUserData(userId); 6124 if (policy.mStatusBarDisabled != disabled) { 6125 if (!setStatusBarDisabledInternal(disabled, userId)) { 6126 return false; 6127 } 6128 policy.mStatusBarDisabled = disabled; 6129 saveSettingsLocked(userId); 6130 } 6131 } 6132 return true; 6133 } 6134 6135 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 6136 long ident = Binder.clearCallingIdentity(); 6137 try { 6138 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 6139 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 6140 if (statusBarService != null) { 6141 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 6142 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 6143 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 6144 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 6145 return true; 6146 } 6147 } catch (RemoteException e) { 6148 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 6149 } finally { 6150 Binder.restoreCallingIdentity(ident); 6151 } 6152 return false; 6153 } 6154 6155 /** 6156 * We need to update the internal state of whether a user has completed setup once. After 6157 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 6158 * as we don't trust any apps that might try to reset it. 6159 * <p> 6160 * Unfortunately, we don't know which user's setup state was changed, so we write all of 6161 * them. 6162 */ 6163 void updateUserSetupComplete() { 6164 List<UserInfo> users = mUserManager.getUsers(true); 6165 ContentResolver resolver = mContext.getContentResolver(); 6166 final int N = users.size(); 6167 for (int i = 0; i < N; i++) { 6168 int userHandle = users.get(i).id; 6169 if (Settings.Secure.getIntForUser(resolver, Settings.Secure.USER_SETUP_COMPLETE, 0, 6170 userHandle) != 0) { 6171 DevicePolicyData policy = getUserData(userHandle); 6172 if (!policy.mUserSetupComplete) { 6173 policy.mUserSetupComplete = true; 6174 synchronized (this) { 6175 // The DeviceInitializer was whitelisted but now should be removed. 6176 removeDeviceInitializerFromLockTaskPackages(userHandle); 6177 saveSettingsLocked(userHandle); 6178 } 6179 } 6180 } 6181 } 6182 } 6183 6184 private void addDeviceInitializerToLockTaskPackagesLocked(int userHandle) { 6185 if (hasUserSetupCompleted(userHandle)) { 6186 return; 6187 } 6188 6189 final String deviceInitializerPackage = getDeviceInitializer(); 6190 if (deviceInitializerPackage == null) { 6191 return; 6192 } 6193 6194 final List<String> packages = getLockTaskPackagesLocked(userHandle); 6195 if (!packages.contains(deviceInitializerPackage)) { 6196 packages.add(deviceInitializerPackage); 6197 setLockTaskPackagesLocked(userHandle, packages); 6198 } 6199 } 6200 6201 private void removeDeviceInitializerFromLockTaskPackages(int userHandle) { 6202 final String deviceInitializerPackage = getDeviceInitializer(); 6203 if (deviceInitializerPackage == null) { 6204 return; 6205 } 6206 6207 List<String> packages = getLockTaskPackagesLocked(userHandle); 6208 if (packages.remove(deviceInitializerPackage)) { 6209 setLockTaskPackagesLocked(userHandle, packages); 6210 } 6211 } 6212 6213 private class SetupContentObserver extends ContentObserver { 6214 6215 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 6216 Settings.Secure.USER_SETUP_COMPLETE); 6217 6218 public SetupContentObserver(Handler handler) { 6219 super(handler); 6220 } 6221 6222 void register(ContentResolver resolver) { 6223 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 6224 } 6225 6226 @Override 6227 public void onChange(boolean selfChange, Uri uri) { 6228 if (mUserSetupComplete.equals(uri)) { 6229 updateUserSetupComplete(); 6230 } 6231 } 6232 } 6233 6234 private final class LocalService extends DevicePolicyManagerInternal { 6235 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 6236 6237 @Override 6238 public List<String> getCrossProfileWidgetProviders(int profileId) { 6239 synchronized (DevicePolicyManagerService.this) { 6240 if (mOwners == null) { 6241 return Collections.emptyList(); 6242 } 6243 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 6244 if (ownerComponent == null) { 6245 return Collections.emptyList(); 6246 } 6247 6248 DevicePolicyData policy = getUserDataUnchecked(profileId); 6249 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 6250 6251 if (admin == null || admin.crossProfileWidgetProviders == null 6252 || admin.crossProfileWidgetProviders.isEmpty()) { 6253 return Collections.emptyList(); 6254 } 6255 6256 return admin.crossProfileWidgetProviders; 6257 } 6258 } 6259 6260 @Override 6261 public void addOnCrossProfileWidgetProvidersChangeListener( 6262 OnCrossProfileWidgetProvidersChangeListener listener) { 6263 synchronized (DevicePolicyManagerService.this) { 6264 if (mWidgetProviderListeners == null) { 6265 mWidgetProviderListeners = new ArrayList<>(); 6266 } 6267 if (!mWidgetProviderListeners.contains(listener)) { 6268 mWidgetProviderListeners.add(listener); 6269 } 6270 } 6271 } 6272 6273 @Override 6274 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 6275 final int userId = UserHandle.getUserId(uid); 6276 synchronized(DevicePolicyManagerService.this) { 6277 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 6278 } 6279 } 6280 6281 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 6282 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 6283 synchronized (DevicePolicyManagerService.this) { 6284 listeners = new ArrayList<>(mWidgetProviderListeners); 6285 } 6286 final int listenerCount = listeners.size(); 6287 for (int i = 0; i < listenerCount; i++) { 6288 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 6289 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 6290 } 6291 } 6292 } 6293 6294 /** 6295 * Returns true if specified admin is allowed to limit passwords and has a 6296 * {@code passwordQuality} of at least {@code minPasswordQuality} 6297 */ 6298 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 6299 if (admin.passwordQuality < minPasswordQuality) { 6300 return false; 6301 } 6302 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 6303 } 6304 6305 @Override 6306 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 6307 if (policy != null && !policy.isValid()) { 6308 throw new IllegalArgumentException("Invalid system update policy."); 6309 } 6310 synchronized (this) { 6311 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6312 if (policy == null) { 6313 mOwners.clearSystemUpdatePolicy(); 6314 } else { 6315 mOwners.setSystemUpdatePolicy(policy); 6316 } 6317 mOwners.writeDeviceOwner(); 6318 } 6319 mContext.sendBroadcastAsUser( 6320 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 6321 UserHandle.OWNER); 6322 } 6323 6324 @Override 6325 public SystemUpdatePolicy getSystemUpdatePolicy() { 6326 synchronized (this) { 6327 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 6328 if (policy != null && !policy.isValid()) { 6329 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 6330 return null; 6331 } 6332 return policy; 6333 } 6334 } 6335 6336 /** 6337 * Checks if the caller of the method is the device owner app or device initialization app. 6338 * 6339 * @param callerUid UID of the caller. 6340 * @return true if the caller is the device owner app or device initializer. 6341 */ 6342 private boolean isCallerDeviceOwnerOrInitializer(int callerUid) { 6343 String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 6344 for (String pkg : pkgs) { 6345 if (isDeviceOwner(pkg) || isDeviceInitializer(pkg)) { 6346 return true; 6347 } 6348 } 6349 return false; 6350 } 6351 6352 @Override 6353 public void notifyPendingSystemUpdate(long updateReceivedTime) { 6354 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 6355 "Only the system update service can broadcast update information"); 6356 6357 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 6358 Slog.w(LOG_TAG, "Only the system update service in the primary user" + 6359 "can broadcast update information."); 6360 return; 6361 } 6362 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 6363 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 6364 updateReceivedTime); 6365 6366 synchronized (this) { 6367 String deviceOwnerPackage = getDeviceOwner(); 6368 if (deviceOwnerPackage == null) { 6369 return; 6370 } 6371 6372 ActivityInfo[] receivers = null; 6373 try { 6374 receivers = mContext.getPackageManager().getPackageInfo( 6375 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 6376 } catch (NameNotFoundException e) { 6377 Log.e(LOG_TAG, "Cannot find device owner package", e); 6378 } 6379 if (receivers != null) { 6380 long ident = Binder.clearCallingIdentity(); 6381 try { 6382 for (int i = 0; i < receivers.length; i++) { 6383 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 6384 intent.setComponent(new ComponentName(deviceOwnerPackage, 6385 receivers[i].name)); 6386 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 6387 } 6388 } 6389 } finally { 6390 Binder.restoreCallingIdentity(ident); 6391 } 6392 } 6393 } 6394 } 6395 6396 @Override 6397 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 6398 int userId = UserHandle.getCallingUserId(); 6399 synchronized (this) { 6400 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6401 DevicePolicyData userPolicy = getUserData(userId); 6402 if (userPolicy.mPermissionPolicy != policy) { 6403 userPolicy.mPermissionPolicy = policy; 6404 saveSettingsLocked(userId); 6405 } 6406 } 6407 } 6408 6409 @Override 6410 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 6411 int userId = UserHandle.getCallingUserId(); 6412 synchronized (this) { 6413 DevicePolicyData userPolicy = getUserData(userId); 6414 return userPolicy.mPermissionPolicy; 6415 } 6416 } 6417 6418 @Override 6419 public boolean setPermissionGrantState(ComponentName admin, String packageName, 6420 String permission, int grantState) throws RemoteException { 6421 UserHandle user = Binder.getCallingUserHandle(); 6422 synchronized (this) { 6423 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6424 long ident = Binder.clearCallingIdentity(); 6425 try { 6426 final ApplicationInfo ai = AppGlobals.getPackageManager() 6427 .getApplicationInfo(packageName, 0, user.getIdentifier()); 6428 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 6429 if (targetSdkVersion < android.os.Build.VERSION_CODES.M) { 6430 return false; 6431 } 6432 final PackageManager packageManager = mContext.getPackageManager(); 6433 switch (grantState) { 6434 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 6435 packageManager.grantRuntimePermission(packageName, permission, user); 6436 packageManager.updatePermissionFlags(permission, packageName, 6437 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6438 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 6439 } break; 6440 6441 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 6442 packageManager.revokeRuntimePermission(packageName, 6443 permission, user); 6444 packageManager.updatePermissionFlags(permission, packageName, 6445 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6446 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 6447 } break; 6448 6449 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 6450 packageManager.updatePermissionFlags(permission, packageName, 6451 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 6452 } break; 6453 } 6454 return true; 6455 } catch (SecurityException se) { 6456 return false; 6457 } finally { 6458 Binder.restoreCallingIdentity(ident); 6459 } 6460 } 6461 } 6462 6463 @Override 6464 public int getPermissionGrantState(ComponentName admin, String packageName, 6465 String permission) throws RemoteException { 6466 PackageManager packageManager = mContext.getPackageManager(); 6467 6468 UserHandle user = Binder.getCallingUserHandle(); 6469 synchronized (this) { 6470 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6471 long ident = Binder.clearCallingIdentity(); 6472 try { 6473 int granted = AppGlobals.getPackageManager().checkPermission(permission, 6474 packageName, user.getIdentifier()); 6475 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 6476 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 6477 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 6478 // Not controlled by policy 6479 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 6480 } else { 6481 // Policy controlled so return result based on permission grant state 6482 return granted == PackageManager.PERMISSION_GRANTED 6483 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 6484 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 6485 } 6486 } finally { 6487 Binder.restoreCallingIdentity(ident); 6488 } 6489 } 6490 } 6491} 6492