DevicePolicyManagerService.java revision 467eb0566ff1df320c9a9be3da0f44ee3d6bc9fa
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 21import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24 25import android.Manifest.permission; 26import android.accessibilityservice.AccessibilityServiceInfo; 27import android.accounts.AccountManager; 28import android.app.Activity; 29import android.app.ActivityManagerNative; 30import android.app.AlarmManager; 31import android.app.AppGlobals; 32import android.app.IActivityManager; 33import android.app.Notification; 34import android.app.NotificationManager; 35import android.app.PendingIntent; 36import android.app.StatusBarManager; 37import android.app.admin.DeviceAdminInfo; 38import android.app.admin.DeviceAdminReceiver; 39import android.app.admin.DevicePolicyManager; 40import android.app.admin.DevicePolicyManagerInternal; 41import android.app.admin.IDevicePolicyManager; 42import android.app.admin.SystemUpdatePolicy; 43import android.app.backup.IBackupManager; 44import android.content.BroadcastReceiver; 45import android.content.ComponentName; 46import android.content.ContentResolver; 47import android.content.Context; 48import android.content.Intent; 49import android.content.IntentFilter; 50import android.content.pm.ActivityInfo; 51import android.content.pm.ApplicationInfo; 52import android.content.pm.IPackageManager; 53import android.content.pm.PackageManager; 54import android.content.pm.PackageManager.NameNotFoundException; 55import android.content.pm.ResolveInfo; 56import android.content.pm.ServiceInfo; 57import android.content.pm.UserInfo; 58import android.database.ContentObserver; 59import android.graphics.Bitmap; 60import android.hardware.usb.UsbManager; 61import android.media.AudioManager; 62import android.media.IAudioService; 63import android.net.ConnectivityManager; 64import android.net.ProxyInfo; 65import android.net.Uri; 66import android.os.AsyncTask; 67import android.os.Binder; 68import android.os.Bundle; 69import android.os.Environment; 70import android.os.FileUtils; 71import android.os.Handler; 72import android.os.IBinder; 73import android.os.PersistableBundle; 74import android.os.PowerManager; 75import android.os.PowerManagerInternal; 76import android.os.Process; 77import android.os.RecoverySystem; 78import android.os.RemoteCallback; 79import android.os.RemoteException; 80import android.os.ServiceManager; 81import android.os.SystemClock; 82import android.os.SystemProperties; 83import android.os.UserHandle; 84import android.os.UserManager; 85import android.provider.ContactsContract.QuickContact; 86import android.provider.ContactsInternal; 87import android.provider.Settings; 88import android.security.Credentials; 89import android.security.IKeyChainAliasCallback; 90import android.security.IKeyChainService; 91import android.security.KeyChain; 92import android.security.KeyChain.KeyChainConnection; 93import android.text.TextUtils; 94import android.service.persistentdata.PersistentDataBlockManager; 95import android.util.Log; 96import android.util.PrintWriterPrinter; 97import android.util.Printer; 98import android.util.Slog; 99import android.util.SparseArray; 100import android.util.Xml; 101import android.view.accessibility.AccessibilityManager; 102import android.view.accessibility.IAccessibilityManager; 103import android.view.inputmethod.InputMethodInfo; 104import android.view.inputmethod.InputMethodManager; 105import android.view.IWindowManager; 106 107import com.android.internal.R; 108import com.android.internal.os.storage.ExternalStorageFormatter; 109import com.android.internal.statusbar.IStatusBarService; 110import com.android.internal.util.FastXmlSerializer; 111import com.android.internal.util.JournaledFile; 112import com.android.internal.util.Preconditions; 113import com.android.internal.util.XmlUtils; 114import com.android.internal.widget.LockPatternUtils; 115import com.android.server.LocalServices; 116import com.android.server.SystemService; 117import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 118 119import org.xmlpull.v1.XmlPullParser; 120 121import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 122import static org.xmlpull.v1.XmlPullParser.END_TAG; 123import static org.xmlpull.v1.XmlPullParser.TEXT; 124 125import org.xmlpull.v1.XmlPullParserException; 126import org.xmlpull.v1.XmlSerializer; 127 128import java.io.ByteArrayInputStream; 129import java.io.File; 130import java.io.FileDescriptor; 131import java.io.FileInputStream; 132import java.io.FileNotFoundException; 133import java.io.FileOutputStream; 134import java.io.IOException; 135import java.io.PrintWriter; 136import java.security.cert.CertificateException; 137import java.security.cert.CertificateFactory; 138import java.security.cert.X509Certificate; 139import java.text.DateFormat; 140import java.util.ArrayList; 141import java.util.Arrays; 142import java.util.Collections; 143import java.util.Date; 144import java.util.HashMap; 145import java.util.HashSet; 146import java.util.List; 147import java.util.Map.Entry; 148import java.util.Set; 149 150/** 151 * Implementation of the device policy APIs. 152 */ 153public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 154 155 private static final String LOG_TAG = "DevicePolicyManagerService"; 156 157 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 158 159 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 160 161 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 162 163 private static final String TAG_STATUS_BAR = "statusbar"; 164 165 private static final String ATTR_DISABLED = "disabled"; 166 167 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 168 "do-not-ask-credentials-on-boot"; 169 170 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 171 172 private static final long MS_PER_DAY = 86400 * 1000; 173 174 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 175 176 protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 177 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 178 179 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 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_PREFERRED_SETUP_ACTIVITY = "setup-activity"; 186 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 187 188 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 189 190 private static final int STATUS_BAR_DISABLE_MASK = 191 StatusBarManager.DISABLE_EXPAND | 192 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 193 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 194 StatusBarManager.DISABLE_SEARCH; 195 196 private static final int STATUS_BAR_DISABLE2_MASK = 197 StatusBarManager.DISABLE2_QUICK_SETTINGS; 198 199 private static final Set<String> DEVICE_OWNER_USER_RESTRICTIONS; 200 static { 201 DEVICE_OWNER_USER_RESTRICTIONS = new HashSet(); 202 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_USB_FILE_TRANSFER); 203 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_TETHERING); 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_SAFE_BOOT); 213 } 214 215 // The following user restrictions cannot be changed by any active admin, including device 216 // owner and profile owner. 217 private static final Set<String> IMMUTABLE_USER_RESTRICTIONS; 218 static { 219 IMMUTABLE_USER_RESTRICTIONS = new HashSet(); 220 IMMUTABLE_USER_RESTRICTIONS.add(UserManager.DISALLOW_WALLPAPER); 221 } 222 223 private static final Set<String> SECURE_SETTINGS_WHITELIST; 224 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 225 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 226 static { 227 SECURE_SETTINGS_WHITELIST = new HashSet(); 228 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 229 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 230 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 231 232 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new HashSet(); 233 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 234 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 235 236 GLOBAL_SETTINGS_WHITELIST = new HashSet(); 237 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 238 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 239 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 240 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 241 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 242 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.MODE_RINGER); 243 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.NETWORK_PREFERENCE); 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 } 248 249 // Keyguard features that when set of a profile will affect the profiles 250 // parent user. 251 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 252 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 253 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 254 255 // Keyguard features that are allowed to be set on a managed profile 256 private static final int PROFILE_KEYGUARD_FEATURES = 257 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER 258 | DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 259 260 final Context mContext; 261 final UserManager mUserManager; 262 final PowerManager.WakeLock mWakeLock; 263 264 final LocalService mLocalService; 265 266 final PowerManager mPowerManager; 267 final PowerManagerInternal mPowerManagerInternal; 268 269 IWindowManager mIWindowManager; 270 NotificationManager mNotificationManager; 271 272 // Stores and loads state on device and profile owners. 273 private DeviceOwner mDeviceOwner; 274 275 private final Binder mToken = new Binder(); 276 277 /** 278 * Whether or not device admin feature is supported. If it isn't return defaults for all 279 * public methods. 280 */ 281 private boolean mHasFeature; 282 283 public static final class Lifecycle extends SystemService { 284 private DevicePolicyManagerService mService; 285 286 public Lifecycle(Context context) { 287 super(context); 288 mService = new DevicePolicyManagerService(context); 289 } 290 291 @Override 292 public void onStart() { 293 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 294 } 295 296 @Override 297 public void onBootPhase(int phase) { 298 if (phase == PHASE_LOCK_SETTINGS_READY) { 299 mService.systemReady(); 300 } 301 } 302 } 303 304 public static class DevicePolicyData { 305 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 306 int mActivePasswordLength = 0; 307 int mActivePasswordUpperCase = 0; 308 int mActivePasswordLowerCase = 0; 309 int mActivePasswordLetters = 0; 310 int mActivePasswordNumeric = 0; 311 int mActivePasswordSymbols = 0; 312 int mActivePasswordNonLetter = 0; 313 int mFailedPasswordAttempts = 0; 314 315 int mUserHandle; 316 int mPasswordOwner = -1; 317 long mLastMaximumTimeToLock = -1; 318 boolean mUserSetupComplete = false; 319 int mPermissionPolicy; 320 321 final HashMap<ComponentName, ActiveAdmin> mAdminMap = new HashMap<>(); 322 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 323 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 324 325 // This is the list of component allowed to start lock task mode. 326 List<String> mLockTaskPackages = new ArrayList<>(); 327 328 boolean mStatusBarDisabled = false; 329 330 ComponentName mRestrictionsProvider; 331 332 String mDelegatedCertInstallerPackage; 333 334 boolean doNotAskCredentialsOnBoot = false; 335 336 ComponentName mPreferredSetupActivity; 337 338 public DevicePolicyData(int userHandle) { 339 mUserHandle = userHandle; 340 } 341 } 342 343 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 344 345 Handler mHandler = new Handler(); 346 347 BroadcastReceiver mReceiver = new BroadcastReceiver() { 348 @Override 349 public void onReceive(Context context, Intent intent) { 350 final String action = intent.getAction(); 351 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 352 getSendingUserId()); 353 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 354 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 355 if (DBG) Slog.v(LOG_TAG, "Sending password expiration notifications for action " 356 + action + " for user " + userHandle); 357 mHandler.post(new Runnable() { 358 public void run() { 359 handlePasswordExpirationNotification(userHandle); 360 } 361 }); 362 } 363 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 364 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 365 new MonitoringCertNotificationTask().execute(intent); 366 } 367 if (Intent.ACTION_USER_REMOVED.equals(action)) { 368 removeUserData(userHandle); 369 } else if (Intent.ACTION_USER_STARTED.equals(action) 370 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 371 372 if (Intent.ACTION_USER_STARTED.equals(action)) { 373 // Reset the policy data 374 synchronized (DevicePolicyManagerService.this) { 375 mUserData.remove(userHandle); 376 } 377 } 378 handlePackagesChanged(null /* check all admins */, userHandle); 379 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 380 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 381 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 382 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 383 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 384 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 385 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 386 } 387 } 388 }; 389 390 static class ActiveAdmin { 391 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 392 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 393 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 394 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 395 = "disable-bt-contacts-sharing"; 396 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 397 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 398 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 399 private static final String TAG_ACCOUNT_TYPE = "account-type"; 400 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 401 = "permitted-accessiblity-services"; 402 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 403 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 404 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 405 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 406 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 407 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 408 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 409 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 410 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 411 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 412 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 413 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 414 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 415 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 416 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 417 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 418 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 419 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 420 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 421 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 422 private static final String ATTR_VALUE = "value"; 423 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 424 private static final String TAG_POLICIES = "policies"; 425 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 426 "cross-profile-widget-providers"; 427 private static final String TAG_PROVIDER = "provider"; 428 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 429 430 final DeviceAdminInfo info; 431 432 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 433 434 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 435 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 436 437 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 438 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 439 440 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 441 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 442 443 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 444 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 445 446 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 447 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 448 449 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 450 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 451 452 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 453 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 454 455 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 456 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 457 458 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 459 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 460 461 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 462 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 463 464 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 465 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 466 467 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 468 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 469 470 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 471 472 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 473 474 boolean encryptionRequested = false; 475 boolean disableCamera = false; 476 boolean disableCallerId = false; 477 boolean disableBluetoothContactSharing = true; 478 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 479 boolean requireAutoTime = false; // Can only be set by a device owner. 480 481 static class TrustAgentInfo { 482 public PersistableBundle options; 483 TrustAgentInfo(PersistableBundle bundle) { 484 options = bundle; 485 } 486 } 487 488 Set<String> accountTypesWithManagementDisabled = new HashSet<String>(); 489 490 // The list of permitted accessibility services package namesas set by a profile 491 // or device owner. Null means all accessibility services are allowed, empty means 492 // none except system services are allowed. 493 List<String> permittedAccessiblityServices; 494 495 // The list of permitted input methods package names as set by a profile or device owner. 496 // Null means all input methods are allowed, empty means none except system imes are 497 // allowed. 498 List<String> permittedInputMethods; 499 500 // TODO: review implementation decisions with frameworks team 501 boolean specifiesGlobalProxy = false; 502 String globalProxySpec = null; 503 String globalProxyExclusionList = null; 504 505 HashMap<String, TrustAgentInfo> trustAgentInfos = new HashMap<String, TrustAgentInfo>(); 506 507 List<String> crossProfileWidgetProviders; 508 509 ActiveAdmin(DeviceAdminInfo _info) { 510 info = _info; 511 } 512 513 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 514 515 public UserHandle getUserHandle() { 516 return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 517 } 518 519 void writeToXml(XmlSerializer out) 520 throws IllegalArgumentException, IllegalStateException, IOException { 521 out.startTag(null, TAG_POLICIES); 522 info.writePoliciesToXml(out); 523 out.endTag(null, TAG_POLICIES); 524 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 525 out.startTag(null, TAG_PASSWORD_QUALITY); 526 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 527 out.endTag(null, TAG_PASSWORD_QUALITY); 528 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 529 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 530 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 531 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 532 } 533 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 534 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 535 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 536 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 537 } 538 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 539 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 540 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 541 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 542 } 543 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 544 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 545 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 546 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 547 } 548 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 549 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 550 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 551 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 552 } 553 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 554 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 555 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 556 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 557 } 558 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 559 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 560 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 561 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 562 } 563 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 564 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 565 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 566 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 567 } 568 } 569 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 570 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 571 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 572 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 573 } 574 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 575 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 576 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 577 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 578 } 579 if (specifiesGlobalProxy) { 580 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 581 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 582 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 583 if (globalProxySpec != null) { 584 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 585 out.attribute(null, ATTR_VALUE, globalProxySpec); 586 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 587 } 588 if (globalProxyExclusionList != null) { 589 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 590 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 591 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 592 } 593 } 594 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 595 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 596 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 597 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 598 } 599 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 600 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 601 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 602 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 603 } 604 if (encryptionRequested) { 605 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 606 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 607 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 608 } 609 if (disableCamera) { 610 out.startTag(null, TAG_DISABLE_CAMERA); 611 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 612 out.endTag(null, TAG_DISABLE_CAMERA); 613 } 614 if (disableCallerId) { 615 out.startTag(null, TAG_DISABLE_CALLER_ID); 616 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 617 out.endTag(null, TAG_DISABLE_CALLER_ID); 618 } 619 if (disableBluetoothContactSharing) { 620 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 621 out.attribute(null, ATTR_VALUE, 622 Boolean.toString(disableBluetoothContactSharing)); 623 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 624 } 625 if (disableScreenCapture) { 626 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 627 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 628 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 629 } 630 if (requireAutoTime) { 631 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 632 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 633 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 634 } 635 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 636 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 637 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 638 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 639 } 640 if (!accountTypesWithManagementDisabled.isEmpty()) { 641 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 642 for (String ac : accountTypesWithManagementDisabled) { 643 out.startTag(null, TAG_ACCOUNT_TYPE); 644 out.attribute(null, ATTR_VALUE, ac); 645 out.endTag(null, TAG_ACCOUNT_TYPE); 646 } 647 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 648 } 649 if (!trustAgentInfos.isEmpty()) { 650 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 651 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 652 for (Entry<String, TrustAgentInfo> entry : set) { 653 TrustAgentInfo trustAgentInfo = entry.getValue(); 654 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 655 out.attribute(null, ATTR_VALUE, entry.getKey()); 656 if (trustAgentInfo.options != null) { 657 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 658 try { 659 trustAgentInfo.options.saveToXml(out); 660 } catch (XmlPullParserException e) { 661 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 662 } 663 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 664 } 665 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 666 } 667 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 668 } 669 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 670 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 671 final int providerCount = crossProfileWidgetProviders.size(); 672 for (int i = 0; i < providerCount; i++) { 673 String provider = crossProfileWidgetProviders.get(i); 674 out.startTag(null, TAG_PROVIDER); 675 out.attribute(null, ATTR_VALUE, provider); 676 out.endTag(null, TAG_PROVIDER); 677 } 678 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 679 } 680 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 681 permittedAccessiblityServices); 682 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 683 } 684 685 void writePackageListToXml(XmlSerializer out, String outerTag, 686 List<String> packageList) 687 throws IllegalArgumentException, IllegalStateException, IOException { 688 if (packageList == null) { 689 return; 690 } 691 692 out.startTag(null, outerTag); 693 for (String packageName : packageList) { 694 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 695 out.attribute(null, ATTR_VALUE, packageName); 696 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 697 } 698 out.endTag(null, outerTag); 699 } 700 701 void readFromXml(XmlPullParser parser) 702 throws XmlPullParserException, IOException { 703 int outerDepth = parser.getDepth(); 704 int type; 705 while ((type=parser.next()) != END_DOCUMENT 706 && (type != END_TAG || parser.getDepth() > outerDepth)) { 707 if (type == END_TAG || type == TEXT) { 708 continue; 709 } 710 String tag = parser.getName(); 711 if (TAG_POLICIES.equals(tag)) { 712 info.readPoliciesFromXml(parser); 713 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 714 passwordQuality = Integer.parseInt( 715 parser.getAttributeValue(null, ATTR_VALUE)); 716 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 717 minimumPasswordLength = Integer.parseInt( 718 parser.getAttributeValue(null, ATTR_VALUE)); 719 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 720 passwordHistoryLength = Integer.parseInt( 721 parser.getAttributeValue(null, ATTR_VALUE)); 722 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 723 minimumPasswordUpperCase = Integer.parseInt( 724 parser.getAttributeValue(null, ATTR_VALUE)); 725 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 726 minimumPasswordLowerCase = Integer.parseInt( 727 parser.getAttributeValue(null, ATTR_VALUE)); 728 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 729 minimumPasswordLetters = Integer.parseInt( 730 parser.getAttributeValue(null, ATTR_VALUE)); 731 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 732 minimumPasswordNumeric = Integer.parseInt( 733 parser.getAttributeValue(null, ATTR_VALUE)); 734 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 735 minimumPasswordSymbols = Integer.parseInt( 736 parser.getAttributeValue(null, ATTR_VALUE)); 737 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 738 minimumPasswordNonLetter = Integer.parseInt( 739 parser.getAttributeValue(null, ATTR_VALUE)); 740 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 741 maximumTimeToUnlock = Long.parseLong( 742 parser.getAttributeValue(null, ATTR_VALUE)); 743 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 744 maximumFailedPasswordsForWipe = Integer.parseInt( 745 parser.getAttributeValue(null, ATTR_VALUE)); 746 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 747 specifiesGlobalProxy = Boolean.parseBoolean( 748 parser.getAttributeValue(null, ATTR_VALUE)); 749 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 750 globalProxySpec = 751 parser.getAttributeValue(null, ATTR_VALUE); 752 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 753 globalProxyExclusionList = 754 parser.getAttributeValue(null, ATTR_VALUE); 755 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 756 passwordExpirationTimeout = Long.parseLong( 757 parser.getAttributeValue(null, ATTR_VALUE)); 758 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 759 passwordExpirationDate = Long.parseLong( 760 parser.getAttributeValue(null, ATTR_VALUE)); 761 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 762 encryptionRequested = Boolean.parseBoolean( 763 parser.getAttributeValue(null, ATTR_VALUE)); 764 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 765 disableCamera = Boolean.parseBoolean( 766 parser.getAttributeValue(null, ATTR_VALUE)); 767 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 768 disableCallerId = Boolean.parseBoolean( 769 parser.getAttributeValue(null, ATTR_VALUE)); 770 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 771 disableBluetoothContactSharing = Boolean.parseBoolean(parser 772 .getAttributeValue(null, ATTR_VALUE)); 773 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 774 disableScreenCapture = Boolean.parseBoolean( 775 parser.getAttributeValue(null, ATTR_VALUE)); 776 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 777 requireAutoTime= Boolean.parseBoolean( 778 parser.getAttributeValue(null, ATTR_VALUE)); 779 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 780 disabledKeyguardFeatures = Integer.parseInt( 781 parser.getAttributeValue(null, ATTR_VALUE)); 782 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 783 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 784 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 785 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 786 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 787 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 788 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 789 permittedAccessiblityServices = readPackageList(parser, tag); 790 } else if (TAG_PERMITTED_IMES.equals(tag)) { 791 permittedInputMethods = readPackageList(parser, tag); 792 } else { 793 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 794 XmlUtils.skipCurrentTag(parser); 795 } 796 } 797 } 798 799 private List<String> readPackageList(XmlPullParser parser, 800 String tag) throws XmlPullParserException, IOException { 801 List<String> result = new ArrayList<String>(); 802 int outerDepth = parser.getDepth(); 803 int outerType; 804 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 805 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 806 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 807 continue; 808 } 809 String outerTag = parser.getName(); 810 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 811 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 812 if (packageName != null) { 813 result.add(packageName); 814 } else { 815 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 816 } 817 } else { 818 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 819 } 820 } 821 return result; 822 } 823 824 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 825 throws XmlPullParserException, IOException { 826 int outerDepthDAM = parser.getDepth(); 827 int typeDAM; 828 Set<String> result = new HashSet<String>(); 829 while ((typeDAM=parser.next()) != END_DOCUMENT 830 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 831 if (typeDAM == END_TAG || typeDAM == TEXT) { 832 continue; 833 } 834 String tagDAM = parser.getName(); 835 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 836 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 837 } else { 838 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 839 } 840 } 841 return result; 842 } 843 844 private HashMap<String, TrustAgentInfo> getAllTrustAgentInfos( 845 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 846 int outerDepthDAM = parser.getDepth(); 847 int typeDAM; 848 HashMap<String, TrustAgentInfo> result = new HashMap<String, TrustAgentInfo>(); 849 while ((typeDAM=parser.next()) != END_DOCUMENT 850 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 851 if (typeDAM == END_TAG || typeDAM == TEXT) { 852 continue; 853 } 854 String tagDAM = parser.getName(); 855 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 856 final String component = parser.getAttributeValue(null, ATTR_VALUE); 857 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 858 result.put(component, trustAgentInfo); 859 } else { 860 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 861 } 862 } 863 return result; 864 } 865 866 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 867 throws XmlPullParserException, IOException { 868 int outerDepthDAM = parser.getDepth(); 869 int typeDAM; 870 TrustAgentInfo result = new TrustAgentInfo(null); 871 while ((typeDAM=parser.next()) != END_DOCUMENT 872 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 873 if (typeDAM == END_TAG || typeDAM == TEXT) { 874 continue; 875 } 876 String tagDAM = parser.getName(); 877 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 878 PersistableBundle bundle = new PersistableBundle(); 879 bundle.restoreFromXml(parser); 880 result.options = bundle; 881 } else { 882 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 883 } 884 } 885 return result; 886 } 887 888 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 889 throws XmlPullParserException, IOException { 890 int outerDepthDAM = parser.getDepth(); 891 int typeDAM; 892 ArrayList<String> result = null; 893 while ((typeDAM=parser.next()) != END_DOCUMENT 894 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 895 if (typeDAM == END_TAG || typeDAM == TEXT) { 896 continue; 897 } 898 String tagDAM = parser.getName(); 899 if (TAG_PROVIDER.equals(tagDAM)) { 900 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 901 if (result == null) { 902 result = new ArrayList<>(); 903 } 904 result.add(provider); 905 } else { 906 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 907 } 908 } 909 return result; 910 } 911 912 void dump(String prefix, PrintWriter pw) { 913 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 914 pw.print(prefix); pw.println("policies:"); 915 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 916 if (pols != null) { 917 for (int i=0; i<pols.size(); i++) { 918 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 919 } 920 } 921 pw.print(prefix); pw.print("passwordQuality=0x"); 922 pw.println(Integer.toHexString(passwordQuality)); 923 pw.print(prefix); pw.print("minimumPasswordLength="); 924 pw.println(minimumPasswordLength); 925 pw.print(prefix); pw.print("passwordHistoryLength="); 926 pw.println(passwordHistoryLength); 927 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 928 pw.println(minimumPasswordUpperCase); 929 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 930 pw.println(minimumPasswordLowerCase); 931 pw.print(prefix); pw.print("minimumPasswordLetters="); 932 pw.println(minimumPasswordLetters); 933 pw.print(prefix); pw.print("minimumPasswordNumeric="); 934 pw.println(minimumPasswordNumeric); 935 pw.print(prefix); pw.print("minimumPasswordSymbols="); 936 pw.println(minimumPasswordSymbols); 937 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 938 pw.println(minimumPasswordNonLetter); 939 pw.print(prefix); pw.print("maximumTimeToUnlock="); 940 pw.println(maximumTimeToUnlock); 941 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 942 pw.println(maximumFailedPasswordsForWipe); 943 pw.print(prefix); pw.print("specifiesGlobalProxy="); 944 pw.println(specifiesGlobalProxy); 945 pw.print(prefix); pw.print("passwordExpirationTimeout="); 946 pw.println(passwordExpirationTimeout); 947 pw.print(prefix); pw.print("passwordExpirationDate="); 948 pw.println(passwordExpirationDate); 949 if (globalProxySpec != null) { 950 pw.print(prefix); pw.print("globalProxySpec="); 951 pw.println(globalProxySpec); 952 } 953 if (globalProxyExclusionList != null) { 954 pw.print(prefix); pw.print("globalProxyEclusionList="); 955 pw.println(globalProxyExclusionList); 956 } 957 pw.print(prefix); pw.print("encryptionRequested="); 958 pw.println(encryptionRequested); 959 pw.print(prefix); pw.print("disableCamera="); 960 pw.println(disableCamera); 961 pw.print(prefix); pw.print("disableCallerId="); 962 pw.println(disableCallerId); 963 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 964 pw.println(disableBluetoothContactSharing); 965 pw.print(prefix); pw.print("disableScreenCapture="); 966 pw.println(disableScreenCapture); 967 pw.print(prefix); pw.print("requireAutoTime="); 968 pw.println(requireAutoTime); 969 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 970 pw.println(disabledKeyguardFeatures); 971 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 972 pw.println(crossProfileWidgetProviders); 973 if (!(permittedAccessiblityServices == null)) { 974 pw.print(prefix); pw.print("permittedAccessibilityServices="); 975 pw.println(permittedAccessiblityServices.toString()); 976 } 977 if (!(permittedInputMethods == null)) { 978 pw.print(prefix); pw.print("permittedInputMethods="); 979 pw.println(permittedInputMethods.toString()); 980 } 981 } 982 } 983 984 private void handlePackagesChanged(String packageName, int userHandle) { 985 boolean removed = false; 986 if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 987 DevicePolicyData policy = getUserData(userHandle); 988 IPackageManager pm = AppGlobals.getPackageManager(); 989 synchronized (this) { 990 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 991 ActiveAdmin aa = policy.mAdminList.get(i); 992 try { 993 // If we're checking all packages or if the specific one we're checking matches, 994 // then check if the package and receiver still exist. 995 final String adminPackage = aa.info.getPackageName(); 996 if (packageName == null || packageName.equals(adminPackage)) { 997 if (pm.getPackageInfo(adminPackage, 0, userHandle) == null 998 || pm.getReceiverInfo(aa.info.getComponent(), 0, userHandle) 999 == null) { 1000 removed = true; 1001 policy.mAdminList.remove(i); 1002 policy.mAdminMap.remove(aa.info.getComponent()); 1003 } 1004 } 1005 } catch (RemoteException re) { 1006 // Shouldn't happen 1007 } 1008 } 1009 if (removed) { 1010 validatePasswordOwnerLocked(policy); 1011 syncDeviceCapabilitiesLocked(policy); 1012 saveSettingsLocked(policy.mUserHandle); 1013 } 1014 1015 if (policy.mDelegatedCertInstallerPackage != null && 1016 (packageName == null 1017 || packageName.equals(policy.mDelegatedCertInstallerPackage))) { 1018 try { 1019 // Check if delegated cert installer package is removed. 1020 if (pm.getPackageInfo( 1021 policy.mDelegatedCertInstallerPackage, 0, userHandle) == null) { 1022 policy.mDelegatedCertInstallerPackage = null; 1023 saveSettingsLocked(policy.mUserHandle); 1024 } 1025 } catch (RemoteException e) { 1026 // Shouldn't happen 1027 } 1028 } 1029 } 1030 } 1031 1032 /** 1033 * Instantiates the service. 1034 */ 1035 public DevicePolicyManagerService(Context context) { 1036 mContext = context; 1037 mUserManager = UserManager.get(mContext); 1038 mHasFeature = context.getPackageManager().hasSystemFeature( 1039 PackageManager.FEATURE_DEVICE_ADMIN); 1040 mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 1041 mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class); 1042 mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM"); 1043 mLocalService = new LocalService(); 1044 if (!mHasFeature) { 1045 // Skip the rest of the initialization 1046 return; 1047 } 1048 IntentFilter filter = new IntentFilter(); 1049 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1050 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1051 filter.addAction(Intent.ACTION_USER_REMOVED); 1052 filter.addAction(Intent.ACTION_USER_STARTED); 1053 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1054 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1055 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1056 filter = new IntentFilter(); 1057 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1058 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1059 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1060 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1061 filter.addDataScheme("package"); 1062 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1063 1064 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1065 } 1066 1067 /** 1068 * Creates and loads the policy data from xml. 1069 * @param userHandle the user for whom to load the policy data 1070 * @return 1071 */ 1072 DevicePolicyData getUserData(int userHandle) { 1073 synchronized (this) { 1074 DevicePolicyData policy = mUserData.get(userHandle); 1075 if (policy == null) { 1076 policy = new DevicePolicyData(userHandle); 1077 mUserData.append(userHandle, policy); 1078 loadSettingsLocked(policy, userHandle); 1079 } 1080 return policy; 1081 } 1082 } 1083 1084 /** 1085 * Creates and loads the policy data from xml for data that is shared between 1086 * various profiles of a user. In contrast to {@link #getUserData(int)} 1087 * it allows access to data of users other than the calling user. 1088 * 1089 * This function should only be used for shared data, e.g. everything regarding 1090 * passwords and should be removed once multiple screen locks are present. 1091 * @param userHandle the user for whom to load the policy data 1092 * @return 1093 */ 1094 DevicePolicyData getUserDataUnchecked(int userHandle) { 1095 long ident = Binder.clearCallingIdentity(); 1096 try { 1097 return getUserData(userHandle); 1098 } finally { 1099 Binder.restoreCallingIdentity(ident); 1100 } 1101 } 1102 1103 void removeUserData(int userHandle) { 1104 synchronized (this) { 1105 if (userHandle == UserHandle.USER_OWNER) { 1106 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1107 return; 1108 } 1109 if (mDeviceOwner != null) { 1110 mDeviceOwner.removeProfileOwner(userHandle); 1111 mDeviceOwner.writeOwnerFile(); 1112 } 1113 1114 DevicePolicyData policy = mUserData.get(userHandle); 1115 if (policy != null) { 1116 mUserData.remove(userHandle); 1117 } 1118 File policyFile = new File(Environment.getUserSystemDirectory(userHandle), 1119 DEVICE_POLICIES_XML); 1120 policyFile.delete(); 1121 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1122 } 1123 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1124 } 1125 1126 void loadDeviceOwner() { 1127 synchronized (this) { 1128 mDeviceOwner = DeviceOwner.load(); 1129 updateDeviceOwnerLocked(); 1130 } 1131 } 1132 1133 /** 1134 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1135 * reminders. Clears alarm if no expirations are configured. 1136 */ 1137 protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { 1138 final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); 1139 final long now = System.currentTimeMillis(); 1140 final long timeToExpire = expiration - now; 1141 final long alarmTime; 1142 if (expiration == 0) { 1143 // No expirations are currently configured: Cancel alarm. 1144 alarmTime = 0; 1145 } else if (timeToExpire <= 0) { 1146 // The password has already expired: Repeat every 24 hours. 1147 alarmTime = now + MS_PER_DAY; 1148 } else { 1149 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1150 // the expiration time. 1151 long alarmInterval = timeToExpire % MS_PER_DAY; 1152 if (alarmInterval == 0) { 1153 alarmInterval = MS_PER_DAY; 1154 } 1155 alarmTime = now + alarmInterval; 1156 } 1157 1158 long token = Binder.clearCallingIdentity(); 1159 try { 1160 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1161 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1162 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1163 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1164 new UserHandle(policy.mUserHandle)); 1165 am.cancel(pi); 1166 if (alarmTime != 0) { 1167 am.set(AlarmManager.RTC, alarmTime, pi); 1168 } 1169 } finally { 1170 Binder.restoreCallingIdentity(token); 1171 } 1172 } 1173 1174 private IWindowManager getWindowManager() { 1175 if (mIWindowManager == null) { 1176 IBinder b = ServiceManager.getService(Context.WINDOW_SERVICE); 1177 mIWindowManager = IWindowManager.Stub.asInterface(b); 1178 } 1179 return mIWindowManager; 1180 } 1181 1182 private NotificationManager getNotificationManager() { 1183 if (mNotificationManager == null) { 1184 mNotificationManager = 1185 (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); 1186 } 1187 return mNotificationManager; 1188 } 1189 1190 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1191 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1192 if (admin != null 1193 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1194 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1195 return admin; 1196 } 1197 return null; 1198 } 1199 1200 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1201 throws SecurityException { 1202 final int callingUid = Binder.getCallingUid(); 1203 1204 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1205 if (result != null) { 1206 return result; 1207 } 1208 1209 if (who != null) { 1210 final int userId = UserHandle.getUserId(callingUid); 1211 final DevicePolicyData policy = getUserData(userId); 1212 ActiveAdmin admin = policy.mAdminMap.get(who); 1213 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1214 throw new SecurityException("Admin " + admin.info.getComponent() 1215 + " does not own the device"); 1216 } 1217 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1218 throw new SecurityException("Admin " + admin.info.getComponent() 1219 + " does not own the profile"); 1220 } 1221 throw new SecurityException("Admin " + admin.info.getComponent() 1222 + " did not specify uses-policy for: " 1223 + admin.info.getTagForPolicy(reqPolicy)); 1224 } else { 1225 throw new SecurityException("No active admin owned by uid " 1226 + Binder.getCallingUid() + " for policy #" + reqPolicy); 1227 } 1228 } 1229 1230 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1231 int uid) { 1232 // Try to find an admin which can use reqPolicy 1233 final int userId = UserHandle.getUserId(uid); 1234 final DevicePolicyData policy = getUserData(userId); 1235 if (who != null) { 1236 ActiveAdmin admin = policy.mAdminMap.get(who); 1237 if (admin == null) { 1238 throw new SecurityException("No active admin " + who); 1239 } 1240 if (admin.getUid() != uid) { 1241 throw new SecurityException("Admin " + who + " is not owned by uid " 1242 + Binder.getCallingUid()); 1243 } 1244 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1245 return admin; 1246 } 1247 } else { 1248 for (ActiveAdmin admin : policy.mAdminList) { 1249 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 1250 userId)) { 1251 return admin; 1252 } 1253 } 1254 } 1255 1256 return null; 1257 } 1258 1259 private boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 1260 int userId) { 1261 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 1262 boolean ownsProfile = (getProfileOwner(userId) != null 1263 && getProfileOwner(userId).getPackageName() 1264 .equals(admin.info.getPackageName())); 1265 boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) 1266 && !hasUserSetupCompleted(userId); 1267 1268 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1269 if (ownsDevice || (userId == UserHandle.USER_OWNER && ownsInitialization)) { 1270 return true; 1271 } 1272 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1273 if (ownsDevice || ownsProfile || ownsInitialization) { 1274 return true; 1275 } 1276 } else { 1277 if (admin.info.usesPolicy(reqPolicy)) { 1278 return true; 1279 } 1280 } 1281 return false; 1282 } 1283 1284 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1285 sendAdminCommandLocked(admin, action, null); 1286 } 1287 1288 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1289 sendAdminCommandLocked(admin, action, null, result); 1290 } 1291 1292 /** 1293 * Send an update to one specific admin, get notified when that admin returns a result. 1294 */ 1295 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1296 BroadcastReceiver result) { 1297 Intent intent = new Intent(action); 1298 intent.setComponent(admin.info.getComponent()); 1299 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1300 intent.putExtra("expiration", admin.passwordExpirationDate); 1301 } 1302 if (adminExtras != null) { 1303 intent.putExtras(adminExtras); 1304 } 1305 if (result != null) { 1306 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1307 null, result, mHandler, Activity.RESULT_OK, null, null); 1308 } else { 1309 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 1310 } 1311 } 1312 1313 /** 1314 * Send an update to all admins of a user that enforce a specified policy. 1315 */ 1316 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 1317 final DevicePolicyData policy = getUserData(userHandle); 1318 final int count = policy.mAdminList.size(); 1319 if (count > 0) { 1320 for (int i = 0; i < count; i++) { 1321 final ActiveAdmin admin = policy.mAdminList.get(i); 1322 if (admin.info.usesPolicy(reqPolicy)) { 1323 sendAdminCommandLocked(admin, action); 1324 } 1325 } 1326 } 1327 } 1328 1329 /** 1330 * Send an update intent to all admins of a user and its profiles. Only send to admins that 1331 * enforce a specified policy. 1332 */ 1333 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 1334 int userHandle) { 1335 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1336 for (UserInfo ui : profiles) { 1337 int id = ui.id; 1338 sendAdminCommandLocked(action, reqPolicy, id); 1339 } 1340 } 1341 1342 void removeActiveAdminLocked(final ComponentName adminReceiver, int userHandle) { 1343 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1344 if (admin != null) { 1345 synchronized (this) { 1346 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 1347 } 1348 sendAdminCommandLocked(admin, 1349 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 1350 new BroadcastReceiver() { 1351 @Override 1352 public void onReceive(Context context, Intent intent) { 1353 synchronized (DevicePolicyManagerService.this) { 1354 int userHandle = admin.getUserHandle().getIdentifier(); 1355 DevicePolicyData policy = getUserData(userHandle); 1356 boolean doProxyCleanup = admin.info.usesPolicy( 1357 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 1358 policy.mAdminList.remove(admin); 1359 policy.mAdminMap.remove(adminReceiver); 1360 validatePasswordOwnerLocked(policy); 1361 syncDeviceCapabilitiesLocked(policy); 1362 if (doProxyCleanup) { 1363 resetGlobalProxyLocked(getUserData(userHandle)); 1364 } 1365 saveSettingsLocked(userHandle); 1366 updateMaximumTimeToLockLocked(policy); 1367 policy.mRemovingAdmins.remove(adminReceiver); 1368 } 1369 } 1370 }); 1371 } 1372 } 1373 1374 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle) { 1375 if (!mHasFeature) { 1376 return null; 1377 } 1378 enforceCrossUserPermission(userHandle); 1379 Intent resolveIntent = new Intent(); 1380 resolveIntent.setComponent(adminName); 1381 List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceivers( 1382 resolveIntent, 1383 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1384 userHandle); 1385 if (infos == null || infos.size() <= 0) { 1386 throw new IllegalArgumentException("Unknown admin: " + adminName); 1387 } 1388 1389 try { 1390 return new DeviceAdminInfo(mContext, infos.get(0)); 1391 } catch (XmlPullParserException e) { 1392 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1393 e); 1394 return null; 1395 } catch (IOException e) { 1396 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1397 e); 1398 return null; 1399 } 1400 } 1401 1402 private static JournaledFile makeJournaledFile(int userHandle) { 1403 final String base = userHandle == 0 1404 ? "/data/system/" + DEVICE_POLICIES_XML 1405 : new File(Environment.getUserSystemDirectory(userHandle), DEVICE_POLICIES_XML) 1406 .getAbsolutePath(); 1407 return new JournaledFile(new File(base), new File(base + ".tmp")); 1408 } 1409 1410 private void saveSettingsLocked(int userHandle) { 1411 DevicePolicyData policy = getUserData(userHandle); 1412 JournaledFile journal = makeJournaledFile(userHandle); 1413 FileOutputStream stream = null; 1414 try { 1415 stream = new FileOutputStream(journal.chooseForWrite(), false); 1416 XmlSerializer out = new FastXmlSerializer(); 1417 out.setOutput(stream, "utf-8"); 1418 out.startDocument(null, true); 1419 1420 out.startTag(null, "policies"); 1421 if (policy.mRestrictionsProvider != null) { 1422 out.attribute(null, ATTR_PERMISSION_PROVIDER, 1423 policy.mRestrictionsProvider.flattenToString()); 1424 } 1425 if (policy.mUserSetupComplete) { 1426 out.attribute(null, ATTR_SETUP_COMPLETE, 1427 Boolean.toString(true)); 1428 } 1429 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 1430 out.attribute(null, ATTR_PERMISSION_POLICY, 1431 Integer.toString(policy.mPermissionPolicy)); 1432 } 1433 if (policy.mDelegatedCertInstallerPackage != null) { 1434 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 1435 policy.mDelegatedCertInstallerPackage); 1436 } 1437 if (policy.mPreferredSetupActivity != null) { 1438 out.attribute(null, ATTR_PREFERRED_SETUP_ACTIVITY, 1439 policy.mPreferredSetupActivity.flattenToString()); 1440 } else { 1441 out.attribute(null, ATTR_PREFERRED_SETUP_ACTIVITY, ""); 1442 } 1443 1444 final int N = policy.mAdminList.size(); 1445 for (int i=0; i<N; i++) { 1446 ActiveAdmin ap = policy.mAdminList.get(i); 1447 if (ap != null) { 1448 out.startTag(null, "admin"); 1449 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 1450 ap.writeToXml(out); 1451 out.endTag(null, "admin"); 1452 } 1453 } 1454 1455 if (policy.mPasswordOwner >= 0) { 1456 out.startTag(null, "password-owner"); 1457 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 1458 out.endTag(null, "password-owner"); 1459 } 1460 1461 if (policy.mFailedPasswordAttempts != 0) { 1462 out.startTag(null, "failed-password-attempts"); 1463 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 1464 out.endTag(null, "failed-password-attempts"); 1465 } 1466 1467 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 1468 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 1469 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 1470 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 1471 out.startTag(null, "active-password"); 1472 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 1473 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 1474 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 1475 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 1476 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 1477 out.attribute(null, "numeric", Integer 1478 .toString(policy.mActivePasswordNumeric)); 1479 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 1480 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 1481 out.endTag(null, "active-password"); 1482 } 1483 1484 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 1485 String component = policy.mLockTaskPackages.get(i); 1486 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 1487 out.attribute(null, "name", component); 1488 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 1489 } 1490 1491 if (policy.mStatusBarDisabled) { 1492 out.startTag(null, TAG_STATUS_BAR); 1493 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 1494 out.endTag(null, TAG_STATUS_BAR); 1495 } 1496 1497 if (policy.doNotAskCredentialsOnBoot) { 1498 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 1499 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 1500 } 1501 1502 out.endTag(null, "policies"); 1503 1504 out.endDocument(); 1505 stream.flush(); 1506 FileUtils.sync(stream); 1507 stream.close(); 1508 journal.commit(); 1509 sendChangedNotification(userHandle); 1510 } catch (IOException e) { 1511 try { 1512 if (stream != null) { 1513 stream.close(); 1514 } 1515 } catch (IOException ex) { 1516 // Ignore 1517 } 1518 journal.rollback(); 1519 } 1520 } 1521 1522 private void sendChangedNotification(int userHandle) { 1523 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 1524 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 1525 long ident = Binder.clearCallingIdentity(); 1526 try { 1527 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 1528 } finally { 1529 Binder.restoreCallingIdentity(ident); 1530 } 1531 } 1532 1533 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 1534 JournaledFile journal = makeJournaledFile(userHandle); 1535 FileInputStream stream = null; 1536 File file = journal.chooseForRead(); 1537 try { 1538 stream = new FileInputStream(file); 1539 XmlPullParser parser = Xml.newPullParser(); 1540 parser.setInput(stream, null); 1541 1542 int type; 1543 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1544 && type != XmlPullParser.START_TAG) { 1545 } 1546 String tag = parser.getName(); 1547 if (!"policies".equals(tag)) { 1548 throw new XmlPullParserException( 1549 "Settings do not start with policies tag: found " + tag); 1550 } 1551 1552 // Extract the permission provider component name if available 1553 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 1554 if (permissionProvider != null) { 1555 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 1556 } 1557 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 1558 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 1559 policy.mUserSetupComplete = true; 1560 } 1561 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 1562 if (!TextUtils.isEmpty(permissionPolicy)) { 1563 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 1564 } 1565 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 1566 ATTR_DELEGATED_CERT_INSTALLER); 1567 String preferredSetupActivity = 1568 parser.getAttributeValue(null, ATTR_PREFERRED_SETUP_ACTIVITY); 1569 if (preferredSetupActivity != null) { 1570 policy.mPreferredSetupActivity = 1571 ComponentName.unflattenFromString(preferredSetupActivity); 1572 } 1573 1574 type = parser.next(); 1575 int outerDepth = parser.getDepth(); 1576 policy.mLockTaskPackages.clear(); 1577 policy.mAdminList.clear(); 1578 policy.mAdminMap.clear(); 1579 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1580 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1581 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 1582 continue; 1583 } 1584 tag = parser.getName(); 1585 if ("admin".equals(tag)) { 1586 String name = parser.getAttributeValue(null, "name"); 1587 try { 1588 DeviceAdminInfo dai = findAdmin( 1589 ComponentName.unflattenFromString(name), userHandle); 1590 if (DBG && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 1591 != userHandle)) { 1592 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 1593 + dai.getActivityInfo().applicationInfo.uid + " for user " 1594 + userHandle); 1595 } 1596 if (dai != null) { 1597 ActiveAdmin ap = new ActiveAdmin(dai); 1598 ap.readFromXml(parser); 1599 policy.mAdminMap.put(ap.info.getComponent(), ap); 1600 } 1601 } catch (RuntimeException e) { 1602 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 1603 } 1604 } else if ("failed-password-attempts".equals(tag)) { 1605 policy.mFailedPasswordAttempts = Integer.parseInt( 1606 parser.getAttributeValue(null, "value")); 1607 } else if ("password-owner".equals(tag)) { 1608 policy.mPasswordOwner = Integer.parseInt( 1609 parser.getAttributeValue(null, "value")); 1610 } else if ("active-password".equals(tag)) { 1611 policy.mActivePasswordQuality = Integer.parseInt( 1612 parser.getAttributeValue(null, "quality")); 1613 policy.mActivePasswordLength = Integer.parseInt( 1614 parser.getAttributeValue(null, "length")); 1615 policy.mActivePasswordUpperCase = Integer.parseInt( 1616 parser.getAttributeValue(null, "uppercase")); 1617 policy.mActivePasswordLowerCase = Integer.parseInt( 1618 parser.getAttributeValue(null, "lowercase")); 1619 policy.mActivePasswordLetters = Integer.parseInt( 1620 parser.getAttributeValue(null, "letters")); 1621 policy.mActivePasswordNumeric = Integer.parseInt( 1622 parser.getAttributeValue(null, "numeric")); 1623 policy.mActivePasswordSymbols = Integer.parseInt( 1624 parser.getAttributeValue(null, "symbols")); 1625 policy.mActivePasswordNonLetter = Integer.parseInt( 1626 parser.getAttributeValue(null, "nonletter")); 1627 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 1628 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 1629 } else if (TAG_STATUS_BAR.equals(tag)) { 1630 policy.mStatusBarDisabled = Boolean.parseBoolean( 1631 parser.getAttributeValue(null, ATTR_DISABLED)); 1632 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 1633 policy.doNotAskCredentialsOnBoot = true; 1634 } else { 1635 Slog.w(LOG_TAG, "Unknown tag: " + tag); 1636 XmlUtils.skipCurrentTag(parser); 1637 } 1638 } 1639 } catch (NullPointerException e) { 1640 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1641 } catch (NumberFormatException e) { 1642 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1643 } catch (XmlPullParserException e) { 1644 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1645 } catch (FileNotFoundException e) { 1646 // Don't be noisy, this is normal if we haven't defined any policies. 1647 } catch (IOException e) { 1648 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1649 } catch (IndexOutOfBoundsException e) { 1650 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1651 } 1652 try { 1653 if (stream != null) { 1654 stream.close(); 1655 } 1656 } catch (IOException e) { 1657 // Ignore 1658 } 1659 1660 // Generate a list of admins from the admin map 1661 policy.mAdminList.addAll(policy.mAdminMap.values()); 1662 1663 // Validate that what we stored for the password quality matches 1664 // sufficiently what is currently set. Note that this is only 1665 // a sanity check in case the two get out of sync; this should 1666 // never normally happen. 1667 final long identity = Binder.clearCallingIdentity(); 1668 try { 1669 LockPatternUtils utils = new LockPatternUtils(mContext); 1670 if (utils.getActivePasswordQuality(userHandle) < policy.mActivePasswordQuality) { 1671 Slog.w(LOG_TAG, "Active password quality 0x" 1672 + Integer.toHexString(policy.mActivePasswordQuality) 1673 + " does not match actual quality 0x" 1674 + Integer.toHexString(utils.getActivePasswordQuality(userHandle))); 1675 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1676 policy.mActivePasswordLength = 0; 1677 policy.mActivePasswordUpperCase = 0; 1678 policy.mActivePasswordLowerCase = 0; 1679 policy.mActivePasswordLetters = 0; 1680 policy.mActivePasswordNumeric = 0; 1681 policy.mActivePasswordSymbols = 0; 1682 policy.mActivePasswordNonLetter = 0; 1683 } 1684 } finally { 1685 Binder.restoreCallingIdentity(identity); 1686 } 1687 1688 validatePasswordOwnerLocked(policy); 1689 syncDeviceCapabilitiesLocked(policy); 1690 updateMaximumTimeToLockLocked(policy); 1691 addDeviceInitializerToLockTaskPackagesLocked(userHandle); 1692 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 1693 if (policy.mStatusBarDisabled) { 1694 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 1695 } 1696 updatePreferredSetupActivityLocked(userHandle); 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 = mDeviceOwner != null 1808 ? mDeviceOwner.getProfileOwnerKeys() : new HashSet<Integer>(); 1809 usersWithData = new HashSet<Integer>(); 1810 for (int i = 0; i < mUserData.size(); i++) { 1811 usersWithData.add(mUserData.keyAt(i)); 1812 } 1813 } 1814 List<UserInfo> allUsers = mUserManager.getUsers(); 1815 1816 Set<Integer> deletedUsers = new HashSet<Integer>(); 1817 deletedUsers.addAll(usersWithProfileOwners); 1818 deletedUsers.addAll(usersWithData); 1819 for (UserInfo userInfo : allUsers) { 1820 deletedUsers.remove(userInfo.id); 1821 } 1822 for (Integer userId : deletedUsers) { 1823 removeUserData(userId); 1824 } 1825 } 1826 1827 private void handlePasswordExpirationNotification(int userHandle) { 1828 synchronized (this) { 1829 final long now = System.currentTimeMillis(); 1830 1831 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1832 for (UserInfo ui : profiles) { 1833 int profileUserHandle = ui.id; 1834 final DevicePolicyData policy = getUserData(profileUserHandle); 1835 final int count = policy.mAdminList.size(); 1836 if (count > 0) { 1837 for (int i = 0; i < count; i++) { 1838 final ActiveAdmin admin = policy.mAdminList.get(i); 1839 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 1840 && admin.passwordExpirationTimeout > 0L 1841 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 1842 && admin.passwordExpirationDate > 0L) { 1843 sendAdminCommandLocked(admin, 1844 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 1845 } 1846 } 1847 } 1848 } 1849 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 1850 } 1851 } 1852 1853 private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { 1854 @Override 1855 protected Void doInBackground(Intent... params) { 1856 int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 1857 1858 if (userHandle == UserHandle.USER_ALL) { 1859 for (UserInfo userInfo : mUserManager.getUsers()) { 1860 manageNotification(userInfo.getUserHandle()); 1861 } 1862 } else { 1863 manageNotification(new UserHandle(userHandle)); 1864 } 1865 return null; 1866 } 1867 1868 private void manageNotification(UserHandle userHandle) { 1869 if (!mUserManager.isUserRunning(userHandle)) { 1870 return; 1871 } 1872 1873 // Call out to KeyChain to check for user-added CAs 1874 boolean hasCert = false; 1875 try { 1876 KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); 1877 try { 1878 if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { 1879 hasCert = true; 1880 } 1881 } catch (RemoteException e) { 1882 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1883 } finally { 1884 kcs.close(); 1885 } 1886 } catch (InterruptedException e) { 1887 Thread.currentThread().interrupt(); 1888 } catch (RuntimeException e) { 1889 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1890 } 1891 if (!hasCert) { 1892 getNotificationManager().cancelAsUser( 1893 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 1894 return; 1895 } 1896 1897 // Build and show a warning notification 1898 int smallIconId; 1899 String contentText; 1900 final String ownerName = getDeviceOwnerName(); 1901 if (isManagedProfile(userHandle.getIdentifier())) { 1902 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); 1903 smallIconId = R.drawable.stat_sys_certificate_info; 1904 } else if (ownerName != null) { 1905 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); 1906 smallIconId = R.drawable.stat_sys_certificate_info; 1907 } else { 1908 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 1909 smallIconId = android.R.drawable.stat_sys_warning; 1910 } 1911 1912 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 1913 dialogIntent.setFlags( 1914 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 1915 dialogIntent.setPackage("com.android.settings"); 1916 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 1917 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 1918 1919 final Context userContext; 1920 try { 1921 userContext = mContext.createPackageContextAsUser("android", 0, userHandle); 1922 } catch (PackageManager.NameNotFoundException e) { 1923 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 1924 return; 1925 } 1926 final Notification noti = new Notification.Builder(userContext) 1927 .setSmallIcon(smallIconId) 1928 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 1929 .setContentText(contentText) 1930 .setContentIntent(notifyIntent) 1931 .setPriority(Notification.PRIORITY_HIGH) 1932 .setShowWhen(false) 1933 .setColor(mContext.getColor( 1934 com.android.internal.R.color.system_notification_accent_color)) 1935 .build(); 1936 1937 getNotificationManager().notifyAsUser( 1938 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 1939 } 1940 } 1941 1942 /** 1943 * @param adminReceiver The admin to add 1944 * @param refreshing true = update an active admin, no error 1945 */ 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 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 1998 if (!mHasFeature) { 1999 return false; 2000 } 2001 enforceCrossUserPermission(userHandle); 2002 synchronized (this) { 2003 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2004 } 2005 } 2006 2007 @Override 2008 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2009 if (!mHasFeature) { 2010 return false; 2011 } 2012 enforceCrossUserPermission(userHandle); 2013 synchronized (this) { 2014 DevicePolicyData policyData = getUserData(userHandle); 2015 return policyData.mRemovingAdmins.contains(adminReceiver); 2016 } 2017 } 2018 2019 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2020 if (!mHasFeature) { 2021 return false; 2022 } 2023 enforceCrossUserPermission(userHandle); 2024 synchronized (this) { 2025 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2026 if (administrator == null) { 2027 throw new SecurityException("No active admin " + adminReceiver); 2028 } 2029 return administrator.info.usesPolicy(policyId); 2030 } 2031 } 2032 2033 @SuppressWarnings("unchecked") 2034 public List<ComponentName> getActiveAdmins(int userHandle) { 2035 if (!mHasFeature) { 2036 return Collections.EMPTY_LIST; 2037 } 2038 2039 enforceCrossUserPermission(userHandle); 2040 synchronized (this) { 2041 DevicePolicyData policy = getUserData(userHandle); 2042 final int N = policy.mAdminList.size(); 2043 if (N <= 0) { 2044 return null; 2045 } 2046 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2047 for (int i=0; i<N; i++) { 2048 res.add(policy.mAdminList.get(i).info.getComponent()); 2049 } 2050 return res; 2051 } 2052 } 2053 2054 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2055 if (!mHasFeature) { 2056 return false; 2057 } 2058 enforceCrossUserPermission(userHandle); 2059 synchronized (this) { 2060 DevicePolicyData policy = getUserData(userHandle); 2061 final int N = policy.mAdminList.size(); 2062 for (int i=0; i<N; i++) { 2063 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2064 return true; 2065 } 2066 } 2067 return false; 2068 } 2069 } 2070 2071 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2072 if (!mHasFeature) { 2073 return; 2074 } 2075 enforceCrossUserPermission(userHandle); 2076 synchronized (this) { 2077 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2078 if (admin == null) { 2079 return; 2080 } 2081 if (admin.getUid() != Binder.getCallingUid()) { 2082 // Active device owners must remain active admins. 2083 if (isDeviceOwner(adminReceiver.getPackageName())) { 2084 return; 2085 } 2086 mContext.enforceCallingOrSelfPermission( 2087 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2088 } 2089 long ident = Binder.clearCallingIdentity(); 2090 try { 2091 removeActiveAdminLocked(adminReceiver, userHandle); 2092 } finally { 2093 Binder.restoreCallingIdentity(ident); 2094 } 2095 } 2096 } 2097 2098 public void setPasswordQuality(ComponentName who, int quality) { 2099 if (!mHasFeature) { 2100 return; 2101 } 2102 Preconditions.checkNotNull(who, "ComponentName is null"); 2103 final int userHandle = UserHandle.getCallingUserId(); 2104 validateQualityConstant(quality); 2105 2106 synchronized (this) { 2107 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2108 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2109 if (ap.passwordQuality != quality) { 2110 ap.passwordQuality = quality; 2111 saveSettingsLocked(userHandle); 2112 } 2113 } 2114 } 2115 2116 public int getPasswordQuality(ComponentName who, int userHandle) { 2117 if (!mHasFeature) { 2118 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2119 } 2120 enforceCrossUserPermission(userHandle); 2121 synchronized (this) { 2122 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2123 2124 if (who != null) { 2125 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2126 return admin != null ? admin.passwordQuality : mode; 2127 } 2128 2129 // Return strictest policy for this user and profiles that are visible from this user. 2130 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2131 for (UserInfo userInfo : profiles) { 2132 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2133 final int N = policy.mAdminList.size(); 2134 for (int i=0; i<N; i++) { 2135 ActiveAdmin admin = policy.mAdminList.get(i); 2136 if (mode < admin.passwordQuality) { 2137 mode = admin.passwordQuality; 2138 } 2139 } 2140 } 2141 return mode; 2142 } 2143 } 2144 2145 public void setPasswordMinimumLength(ComponentName who, int length) { 2146 if (!mHasFeature) { 2147 return; 2148 } 2149 Preconditions.checkNotNull(who, "ComponentName is null"); 2150 final int userHandle = UserHandle.getCallingUserId(); 2151 synchronized (this) { 2152 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2153 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2154 if (ap.minimumPasswordLength != length) { 2155 ap.minimumPasswordLength = length; 2156 saveSettingsLocked(userHandle); 2157 } 2158 } 2159 } 2160 2161 public int getPasswordMinimumLength(ComponentName who, int userHandle) { 2162 if (!mHasFeature) { 2163 return 0; 2164 } 2165 enforceCrossUserPermission(userHandle); 2166 synchronized (this) { 2167 int length = 0; 2168 2169 if (who != null) { 2170 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2171 return admin != null ? admin.minimumPasswordLength : length; 2172 } 2173 2174 // Return strictest policy for this user and profiles that are visible from this user. 2175 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2176 for (UserInfo userInfo : profiles) { 2177 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2178 final int N = policy.mAdminList.size(); 2179 for (int i=0; i<N; i++) { 2180 ActiveAdmin admin = policy.mAdminList.get(i); 2181 if (length < admin.minimumPasswordLength) { 2182 length = admin.minimumPasswordLength; 2183 } 2184 } 2185 } 2186 return length; 2187 } 2188 } 2189 2190 public void setPasswordHistoryLength(ComponentName who, int length) { 2191 if (!mHasFeature) { 2192 return; 2193 } 2194 Preconditions.checkNotNull(who, "ComponentName is null"); 2195 final int userHandle = UserHandle.getCallingUserId(); 2196 synchronized (this) { 2197 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2198 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2199 if (ap.passwordHistoryLength != length) { 2200 ap.passwordHistoryLength = length; 2201 saveSettingsLocked(userHandle); 2202 } 2203 } 2204 } 2205 2206 public int getPasswordHistoryLength(ComponentName who, int userHandle) { 2207 if (!mHasFeature) { 2208 return 0; 2209 } 2210 enforceCrossUserPermission(userHandle); 2211 synchronized (this) { 2212 int length = 0; 2213 2214 if (who != null) { 2215 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2216 return admin != null ? admin.passwordHistoryLength : length; 2217 } 2218 2219 // Return strictest policy for this user and profiles that are visible from this user. 2220 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2221 for (UserInfo userInfo : profiles) { 2222 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2223 final int N = policy.mAdminList.size(); 2224 for (int i = 0; i < N; i++) { 2225 ActiveAdmin admin = policy.mAdminList.get(i); 2226 if (length < admin.passwordHistoryLength) { 2227 length = admin.passwordHistoryLength; 2228 } 2229 } 2230 } 2231 return length; 2232 } 2233 } 2234 2235 public void setPasswordExpirationTimeout(ComponentName who, long timeout) { 2236 if (!mHasFeature) { 2237 return; 2238 } 2239 Preconditions.checkNotNull(who, "ComponentName is null"); 2240 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 2241 final int userHandle = UserHandle.getCallingUserId(); 2242 synchronized (this) { 2243 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2244 DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); 2245 // Calling this API automatically bumps the expiration date 2246 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 2247 ap.passwordExpirationDate = expiration; 2248 ap.passwordExpirationTimeout = timeout; 2249 if (timeout > 0L) { 2250 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 2251 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 2252 .format(new Date(expiration))); 2253 } 2254 saveSettingsLocked(userHandle); 2255 // in case this is the first one 2256 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 2257 } 2258 } 2259 2260 /** 2261 * Return a single admin's expiration cycle time, or the min of all cycle times. 2262 * Returns 0 if not configured. 2263 */ 2264 public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { 2265 if (!mHasFeature) { 2266 return 0L; 2267 } 2268 enforceCrossUserPermission(userHandle); 2269 synchronized (this) { 2270 long timeout = 0L; 2271 2272 if (who != null) { 2273 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2274 return admin != null ? admin.passwordExpirationTimeout : timeout; 2275 } 2276 2277 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2278 for (UserInfo userInfo : profiles) { 2279 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2280 final int N = policy.mAdminList.size(); 2281 for (int i = 0; i < N; i++) { 2282 ActiveAdmin admin = policy.mAdminList.get(i); 2283 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 2284 && timeout > admin.passwordExpirationTimeout)) { 2285 timeout = admin.passwordExpirationTimeout; 2286 } 2287 } 2288 } 2289 return timeout; 2290 } 2291 } 2292 2293 @Override 2294 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2295 final int userId = UserHandle.getCallingUserId(); 2296 List<String> changedProviders = null; 2297 2298 synchronized (this) { 2299 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2300 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2301 if (activeAdmin.crossProfileWidgetProviders == null) { 2302 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 2303 } 2304 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2305 if (!providers.contains(packageName)) { 2306 providers.add(packageName); 2307 changedProviders = new ArrayList<>(providers); 2308 saveSettingsLocked(userId); 2309 } 2310 } 2311 2312 if (changedProviders != null) { 2313 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2314 return true; 2315 } 2316 2317 return false; 2318 } 2319 2320 @Override 2321 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2322 final int userId = UserHandle.getCallingUserId(); 2323 List<String> changedProviders = null; 2324 2325 synchronized (this) { 2326 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2327 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2328 if (activeAdmin.crossProfileWidgetProviders == null) { 2329 return false; 2330 } 2331 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2332 if (providers.remove(packageName)) { 2333 changedProviders = new ArrayList<>(providers); 2334 saveSettingsLocked(userId); 2335 } 2336 } 2337 2338 if (changedProviders != null) { 2339 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2340 return true; 2341 } 2342 2343 return false; 2344 } 2345 2346 @Override 2347 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 2348 synchronized (this) { 2349 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2350 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2351 if (activeAdmin.crossProfileWidgetProviders == null 2352 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 2353 return null; 2354 } 2355 if (Binder.getCallingUid() == Process.myUid()) { 2356 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 2357 } else { 2358 return activeAdmin.crossProfileWidgetProviders; 2359 } 2360 } 2361 } 2362 2363 /** 2364 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 2365 * Returns 0 if not configured. 2366 */ 2367 private long getPasswordExpirationLocked(ComponentName who, int userHandle) { 2368 long timeout = 0L; 2369 2370 if (who != null) { 2371 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2372 return admin != null ? admin.passwordExpirationDate : timeout; 2373 } 2374 2375 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2376 for (UserInfo userInfo : profiles) { 2377 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2378 final int N = policy.mAdminList.size(); 2379 for (int i = 0; i < N; i++) { 2380 ActiveAdmin admin = policy.mAdminList.get(i); 2381 if (timeout == 0L || (admin.passwordExpirationDate != 0 2382 && timeout > admin.passwordExpirationDate)) { 2383 timeout = admin.passwordExpirationDate; 2384 } 2385 } 2386 } 2387 return timeout; 2388 } 2389 2390 public long getPasswordExpiration(ComponentName who, int userHandle) { 2391 if (!mHasFeature) { 2392 return 0L; 2393 } 2394 enforceCrossUserPermission(userHandle); 2395 synchronized (this) { 2396 return getPasswordExpirationLocked(who, userHandle); 2397 } 2398 } 2399 2400 public void setPasswordMinimumUpperCase(ComponentName who, int length) { 2401 if (!mHasFeature) { 2402 return; 2403 } 2404 Preconditions.checkNotNull(who, "ComponentName is null"); 2405 final int userHandle = UserHandle.getCallingUserId(); 2406 synchronized (this) { 2407 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2408 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2409 if (ap.minimumPasswordUpperCase != length) { 2410 ap.minimumPasswordUpperCase = length; 2411 saveSettingsLocked(userHandle); 2412 } 2413 } 2414 } 2415 2416 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { 2417 if (!mHasFeature) { 2418 return 0; 2419 } 2420 enforceCrossUserPermission(userHandle); 2421 synchronized (this) { 2422 int length = 0; 2423 2424 if (who != null) { 2425 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2426 return admin != null ? admin.minimumPasswordUpperCase : length; 2427 } 2428 2429 // Return strictest policy for this user and profiles that are visible from this user. 2430 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2431 for (UserInfo userInfo : profiles) { 2432 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2433 final int N = policy.mAdminList.size(); 2434 for (int i=0; i<N; i++) { 2435 ActiveAdmin admin = policy.mAdminList.get(i); 2436 if (length < admin.minimumPasswordUpperCase) { 2437 length = admin.minimumPasswordUpperCase; 2438 } 2439 } 2440 } 2441 return length; 2442 } 2443 } 2444 2445 public void setPasswordMinimumLowerCase(ComponentName who, int length) { 2446 Preconditions.checkNotNull(who, "ComponentName is null"); 2447 final int userHandle = UserHandle.getCallingUserId(); 2448 synchronized (this) { 2449 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2450 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2451 if (ap.minimumPasswordLowerCase != length) { 2452 ap.minimumPasswordLowerCase = length; 2453 saveSettingsLocked(userHandle); 2454 } 2455 } 2456 } 2457 2458 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { 2459 if (!mHasFeature) { 2460 return 0; 2461 } 2462 enforceCrossUserPermission(userHandle); 2463 synchronized (this) { 2464 int length = 0; 2465 2466 if (who != null) { 2467 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2468 return admin != null ? admin.minimumPasswordLowerCase : length; 2469 } 2470 2471 // Return strictest policy for this user and profiles that are visible from this user. 2472 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2473 for (UserInfo userInfo : profiles) { 2474 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2475 final int N = policy.mAdminList.size(); 2476 for (int i=0; i<N; i++) { 2477 ActiveAdmin admin = policy.mAdminList.get(i); 2478 if (length < admin.minimumPasswordLowerCase) { 2479 length = admin.minimumPasswordLowerCase; 2480 } 2481 } 2482 } 2483 return length; 2484 } 2485 } 2486 2487 public void setPasswordMinimumLetters(ComponentName who, int length) { 2488 if (!mHasFeature) { 2489 return; 2490 } 2491 Preconditions.checkNotNull(who, "ComponentName is null"); 2492 final int userHandle = UserHandle.getCallingUserId(); 2493 synchronized (this) { 2494 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2495 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2496 if (ap.minimumPasswordLetters != length) { 2497 ap.minimumPasswordLetters = length; 2498 saveSettingsLocked(userHandle); 2499 } 2500 } 2501 } 2502 2503 public int getPasswordMinimumLetters(ComponentName who, int userHandle) { 2504 if (!mHasFeature) { 2505 return 0; 2506 } 2507 enforceCrossUserPermission(userHandle); 2508 synchronized (this) { 2509 int length = 0; 2510 2511 if (who != null) { 2512 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2513 return admin != null ? admin.minimumPasswordLetters : length; 2514 } 2515 2516 // Return strictest policy for this user and profiles that are visible from this user. 2517 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2518 for (UserInfo userInfo : profiles) { 2519 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2520 final int N = policy.mAdminList.size(); 2521 for (int i=0; i<N; i++) { 2522 ActiveAdmin admin = policy.mAdminList.get(i); 2523 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2524 continue; 2525 } 2526 if (length < admin.minimumPasswordLetters) { 2527 length = admin.minimumPasswordLetters; 2528 } 2529 } 2530 } 2531 return length; 2532 } 2533 } 2534 2535 public void setPasswordMinimumNumeric(ComponentName who, int length) { 2536 if (!mHasFeature) { 2537 return; 2538 } 2539 Preconditions.checkNotNull(who, "ComponentName is null"); 2540 final int userHandle = UserHandle.getCallingUserId(); 2541 synchronized (this) { 2542 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2543 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2544 if (ap.minimumPasswordNumeric != length) { 2545 ap.minimumPasswordNumeric = length; 2546 saveSettingsLocked(userHandle); 2547 } 2548 } 2549 } 2550 2551 public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { 2552 if (!mHasFeature) { 2553 return 0; 2554 } 2555 enforceCrossUserPermission(userHandle); 2556 synchronized (this) { 2557 int length = 0; 2558 2559 if (who != null) { 2560 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2561 return admin != null ? admin.minimumPasswordNumeric : length; 2562 } 2563 2564 // Return strictest policy for this user and profiles that are visible from this user. 2565 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2566 for (UserInfo userInfo : profiles) { 2567 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2568 final int N = policy.mAdminList.size(); 2569 for (int i = 0; i < N; i++) { 2570 ActiveAdmin admin = policy.mAdminList.get(i); 2571 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2572 continue; 2573 } 2574 if (length < admin.minimumPasswordNumeric) { 2575 length = admin.minimumPasswordNumeric; 2576 } 2577 } 2578 } 2579 return length; 2580 } 2581 } 2582 2583 public void setPasswordMinimumSymbols(ComponentName who, int length) { 2584 if (!mHasFeature) { 2585 return; 2586 } 2587 Preconditions.checkNotNull(who, "ComponentName is null"); 2588 final int userHandle = UserHandle.getCallingUserId(); 2589 synchronized (this) { 2590 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2591 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2592 if (ap.minimumPasswordSymbols != length) { 2593 ap.minimumPasswordSymbols = length; 2594 saveSettingsLocked(userHandle); 2595 } 2596 } 2597 } 2598 2599 public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { 2600 if (!mHasFeature) { 2601 return 0; 2602 } 2603 enforceCrossUserPermission(userHandle); 2604 synchronized (this) { 2605 int length = 0; 2606 2607 if (who != null) { 2608 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2609 return admin != null ? admin.minimumPasswordSymbols : length; 2610 } 2611 2612 // Return strictest policy for this user and profiles that are visible from this user. 2613 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2614 for (UserInfo userInfo : profiles) { 2615 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2616 final int N = policy.mAdminList.size(); 2617 for (int i=0; i<N; i++) { 2618 ActiveAdmin admin = policy.mAdminList.get(i); 2619 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2620 continue; 2621 } 2622 if (length < admin.minimumPasswordSymbols) { 2623 length = admin.minimumPasswordSymbols; 2624 } 2625 } 2626 } 2627 return length; 2628 } 2629 } 2630 2631 public void setPasswordMinimumNonLetter(ComponentName who, int length) { 2632 if (!mHasFeature) { 2633 return; 2634 } 2635 Preconditions.checkNotNull(who, "ComponentName is null"); 2636 final int userHandle = UserHandle.getCallingUserId(); 2637 synchronized (this) { 2638 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2639 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2640 if (ap.minimumPasswordNonLetter != length) { 2641 ap.minimumPasswordNonLetter = length; 2642 saveSettingsLocked(userHandle); 2643 } 2644 } 2645 } 2646 2647 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { 2648 if (!mHasFeature) { 2649 return 0; 2650 } 2651 enforceCrossUserPermission(userHandle); 2652 synchronized (this) { 2653 int length = 0; 2654 2655 if (who != null) { 2656 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2657 return admin != null ? admin.minimumPasswordNonLetter : length; 2658 } 2659 2660 // Return strictest policy for this user and profiles that are visible from this user. 2661 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2662 for (UserInfo userInfo : profiles) { 2663 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2664 final int N = policy.mAdminList.size(); 2665 for (int i=0; i<N; i++) { 2666 ActiveAdmin admin = policy.mAdminList.get(i); 2667 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2668 continue; 2669 } 2670 if (length < admin.minimumPasswordNonLetter) { 2671 length = admin.minimumPasswordNonLetter; 2672 } 2673 } 2674 } 2675 return length; 2676 } 2677 } 2678 2679 public boolean isActivePasswordSufficient(int userHandle) { 2680 if (!mHasFeature) { 2681 return true; 2682 } 2683 enforceCrossUserPermission(userHandle); 2684 2685 synchronized (this) { 2686 2687 // The active password is stored in the user that runs the launcher 2688 // If the user this is called from is part of a profile group, that is the parent 2689 // of the group. 2690 UserInfo parent = getProfileParent(userHandle); 2691 int id = (parent == null) ? userHandle : parent.id; 2692 DevicePolicyData policy = getUserDataUnchecked(id); 2693 2694 // This API can only be called by an active device admin, 2695 // so try to retrieve it to check that the caller is one. 2696 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2697 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle) 2698 || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { 2699 return false; 2700 } 2701 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2702 return true; 2703 } 2704 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) 2705 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) 2706 && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) 2707 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) 2708 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) 2709 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); 2710 } 2711 } 2712 2713 public int getCurrentFailedPasswordAttempts(int userHandle) { 2714 synchronized (this) { 2715 // This API can only be called by an active device admin, 2716 // so try to retrieve it to check that the caller is one. 2717 getActiveAdminForCallerLocked(null, 2718 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2719 2720 // The active password is stored in the parent. 2721 UserInfo parent = getProfileParent(userHandle); 2722 int id = (parent == null) ? userHandle : parent.id; 2723 DevicePolicyData policy = getUserDataUnchecked(id); 2724 2725 return policy.mFailedPasswordAttempts; 2726 } 2727 } 2728 2729 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num) { 2730 if (!mHasFeature) { 2731 return; 2732 } 2733 Preconditions.checkNotNull(who, "ComponentName is null"); 2734 final int userHandle = UserHandle.getCallingUserId(); 2735 synchronized (this) { 2736 // This API can only be called by an active device admin, 2737 // so try to retrieve it to check that the caller is one. 2738 getActiveAdminForCallerLocked(who, 2739 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2740 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2741 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2742 if (ap.maximumFailedPasswordsForWipe != num) { 2743 ap.maximumFailedPasswordsForWipe = num; 2744 saveSettingsLocked(userHandle); 2745 } 2746 } 2747 } 2748 2749 @Override 2750 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { 2751 if (!mHasFeature) { 2752 return 0; 2753 } 2754 enforceCrossUserPermission(userHandle); 2755 synchronized (this) { 2756 ActiveAdmin admin = (who != null) ? getActiveAdminUncheckedLocked(who, userHandle) 2757 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2758 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 2759 } 2760 } 2761 2762 @Override 2763 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle) { 2764 if (!mHasFeature) { 2765 return UserHandle.USER_NULL; 2766 } 2767 enforceCrossUserPermission(userHandle); 2768 synchronized (this) { 2769 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2770 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 2771 } 2772 } 2773 2774 /** 2775 * Returns the admin with the strictest policy on maximum failed passwords for this user and all 2776 * profiles that are visible from this user. If the policy for the primary and any other profile 2777 * are equal, it returns the admin for the primary profile. 2778 * Returns {@code null} if none of them have that policy set. 2779 */ 2780 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked(int userHandle) { 2781 int count = 0; 2782 ActiveAdmin strictestAdmin = null; 2783 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2784 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2785 for (ActiveAdmin admin : policy.mAdminList) { 2786 if (admin.maximumFailedPasswordsForWipe == 2787 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 2788 continue; // No max number of failed passwords policy set for this profile. 2789 } 2790 2791 // We always favor the primary profile if several profiles have the same value set. 2792 if (count == 0 || 2793 count > admin.maximumFailedPasswordsForWipe || 2794 (userInfo.isPrimary() && count >= admin.maximumFailedPasswordsForWipe)) { 2795 count = admin.maximumFailedPasswordsForWipe; 2796 strictestAdmin = admin; 2797 } 2798 } 2799 } 2800 return strictestAdmin; 2801 } 2802 2803 public boolean resetPassword(String passwordOrNull, int flags) { 2804 if (!mHasFeature) { 2805 return false; 2806 } 2807 final int userHandle = UserHandle.getCallingUserId(); 2808 enforceNotManagedProfile(userHandle, "reset the password"); 2809 2810 String password = passwordOrNull != null ? passwordOrNull : ""; 2811 2812 int quality; 2813 synchronized (this) { 2814 // This api can only be called by an active device admin, 2815 // so try to retrieve it to check that the caller is one. 2816 getActiveAdminForCallerLocked(null, 2817 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 2818 quality = getPasswordQuality(null, userHandle); 2819 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 2820 int realQuality = LockPatternUtils.computePasswordQuality(password); 2821 if (realQuality < quality 2822 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2823 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 2824 + Integer.toHexString(realQuality) 2825 + " does not meet required quality 0x" 2826 + Integer.toHexString(quality)); 2827 return false; 2828 } 2829 quality = Math.max(realQuality, quality); 2830 } 2831 int length = getPasswordMinimumLength(null, userHandle); 2832 if (password.length() < length) { 2833 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 2834 + " does not meet required length " + length); 2835 return false; 2836 } 2837 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2838 int letters = 0; 2839 int uppercase = 0; 2840 int lowercase = 0; 2841 int numbers = 0; 2842 int symbols = 0; 2843 int nonletter = 0; 2844 for (int i = 0; i < password.length(); i++) { 2845 char c = password.charAt(i); 2846 if (c >= 'A' && c <= 'Z') { 2847 letters++; 2848 uppercase++; 2849 } else if (c >= 'a' && c <= 'z') { 2850 letters++; 2851 lowercase++; 2852 } else if (c >= '0' && c <= '9') { 2853 numbers++; 2854 nonletter++; 2855 } else { 2856 symbols++; 2857 nonletter++; 2858 } 2859 } 2860 int neededLetters = getPasswordMinimumLetters(null, userHandle); 2861 if(letters < neededLetters) { 2862 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 2863 + " does not meet required number of letters " + neededLetters); 2864 return false; 2865 } 2866 int neededNumbers = getPasswordMinimumNumeric(null, userHandle); 2867 if (numbers < neededNumbers) { 2868 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 2869 + " does not meet required number of numerical digits " 2870 + neededNumbers); 2871 return false; 2872 } 2873 int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); 2874 if (lowercase < neededLowerCase) { 2875 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 2876 + " does not meet required number of lowercase letters " 2877 + neededLowerCase); 2878 return false; 2879 } 2880 int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); 2881 if (uppercase < neededUpperCase) { 2882 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 2883 + " does not meet required number of uppercase letters " 2884 + neededUpperCase); 2885 return false; 2886 } 2887 int neededSymbols = getPasswordMinimumSymbols(null, userHandle); 2888 if (symbols < neededSymbols) { 2889 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 2890 + " does not meet required number of special symbols " + neededSymbols); 2891 return false; 2892 } 2893 int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); 2894 if (nonletter < neededNonLetter) { 2895 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 2896 + " does not meet required number of non-letter characters " 2897 + neededNonLetter); 2898 return false; 2899 } 2900 } 2901 } 2902 2903 int callingUid = Binder.getCallingUid(); 2904 DevicePolicyData policy = getUserData(userHandle); 2905 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 2906 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 2907 return false; 2908 } 2909 2910 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwnerOrInitializer(callingUid); 2911 boolean doNotAskCredentialsOnBoot = 2912 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 2913 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 2914 setDoNotAskCredentialsOnBoot(); 2915 } 2916 2917 // Don't do this with the lock held, because it is going to call 2918 // back in to the service. 2919 long ident = Binder.clearCallingIdentity(); 2920 try { 2921 LockPatternUtils utils = new LockPatternUtils(mContext); 2922 if (!TextUtils.isEmpty(password)) { 2923 utils.saveLockPassword(password, null, quality, userHandle); 2924 } else { 2925 utils.clearLock(userHandle); 2926 } 2927 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 2928 if (requireEntry) { 2929 utils.requireCredentialEntry(UserHandle.USER_ALL); 2930 } 2931 synchronized (this) { 2932 int newOwner = requireEntry ? callingUid : -1; 2933 if (policy.mPasswordOwner != newOwner) { 2934 policy.mPasswordOwner = newOwner; 2935 saveSettingsLocked(userHandle); 2936 } 2937 } 2938 } finally { 2939 Binder.restoreCallingIdentity(ident); 2940 } 2941 2942 return true; 2943 } 2944 2945 private void setDoNotAskCredentialsOnBoot() { 2946 synchronized (this) { 2947 DevicePolicyData policyData = getUserData(UserHandle.USER_OWNER); 2948 if (!policyData.doNotAskCredentialsOnBoot) { 2949 policyData.doNotAskCredentialsOnBoot = true; 2950 saveSettingsLocked(UserHandle.USER_OWNER); 2951 } 2952 } 2953 } 2954 2955 public boolean getDoNotAskCredentialsOnBoot() { 2956 mContext.enforceCallingOrSelfPermission( 2957 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 2958 synchronized (this) { 2959 DevicePolicyData policyData = getUserData(UserHandle.USER_OWNER); 2960 return policyData.doNotAskCredentialsOnBoot; 2961 } 2962 } 2963 2964 public void setMaximumTimeToLock(ComponentName who, long timeMs) { 2965 if (!mHasFeature) { 2966 return; 2967 } 2968 Preconditions.checkNotNull(who, "ComponentName is null"); 2969 final int userHandle = UserHandle.getCallingUserId(); 2970 synchronized (this) { 2971 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2972 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2973 if (ap.maximumTimeToUnlock != timeMs) { 2974 ap.maximumTimeToUnlock = timeMs; 2975 saveSettingsLocked(userHandle); 2976 updateMaximumTimeToLockLocked(getUserData(userHandle)); 2977 } 2978 } 2979 } 2980 2981 void updateMaximumTimeToLockLocked(DevicePolicyData policy) { 2982 long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); 2983 if (policy.mLastMaximumTimeToLock == timeMs) { 2984 return; 2985 } 2986 2987 long ident = Binder.clearCallingIdentity(); 2988 try { 2989 if (timeMs <= 0) { 2990 timeMs = Integer.MAX_VALUE; 2991 } else { 2992 // Make sure KEEP_SCREEN_ON is disabled, since that 2993 // would allow bypassing of the maximum time to lock. 2994 Settings.Global.putInt(mContext.getContentResolver(), 2995 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 2996 } 2997 2998 policy.mLastMaximumTimeToLock = timeMs; 2999 mPowerManagerInternal.setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); 3000 } finally { 3001 Binder.restoreCallingIdentity(ident); 3002 } 3003 } 3004 3005 public long getMaximumTimeToLock(ComponentName who, int userHandle) { 3006 if (!mHasFeature) { 3007 return 0; 3008 } 3009 enforceCrossUserPermission(userHandle); 3010 synchronized (this) { 3011 long time = 0; 3012 3013 if (who != null) { 3014 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3015 return admin != null ? admin.maximumTimeToUnlock : time; 3016 } 3017 3018 // Return strictest policy for this user and profiles that are visible from this user. 3019 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3020 for (UserInfo userInfo : profiles) { 3021 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3022 final int N = policy.mAdminList.size(); 3023 for (int i=0; i<N; i++) { 3024 ActiveAdmin admin = policy.mAdminList.get(i); 3025 if (time == 0) { 3026 time = admin.maximumTimeToUnlock; 3027 } else if (admin.maximumTimeToUnlock != 0 3028 && time > admin.maximumTimeToUnlock) { 3029 time = admin.maximumTimeToUnlock; 3030 } 3031 } 3032 } 3033 return time; 3034 } 3035 } 3036 3037 public void lockNow() { 3038 if (!mHasFeature) { 3039 return; 3040 } 3041 synchronized (this) { 3042 // This API can only be called by an active device admin, 3043 // so try to retrieve it to check that the caller is one. 3044 getActiveAdminForCallerLocked(null, 3045 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 3046 lockNowUnchecked(); 3047 } 3048 } 3049 3050 private void lockNowUnchecked() { 3051 long ident = Binder.clearCallingIdentity(); 3052 try { 3053 // Power off the display 3054 mPowerManager.goToSleep(SystemClock.uptimeMillis(), 3055 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 3056 // Ensure the device is locked 3057 new LockPatternUtils(mContext).requireCredentialEntry(UserHandle.USER_ALL); 3058 getWindowManager().lockNow(null); 3059 } catch (RemoteException e) { 3060 } finally { 3061 Binder.restoreCallingIdentity(ident); 3062 } 3063 } 3064 3065 private boolean isExtStorageEncrypted() { 3066 String state = SystemProperties.get("vold.decrypt"); 3067 return !"".equals(state); 3068 } 3069 3070 @Override 3071 public void enforceCanManageCaCerts(ComponentName who) { 3072 if (who == null) { 3073 if (!isCallerDelegatedCertInstaller()) { 3074 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 3075 } 3076 } else { 3077 synchronized (this) { 3078 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3079 } 3080 } 3081 } 3082 3083 private boolean isCallerDelegatedCertInstaller() { 3084 final int callingUid = Binder.getCallingUid(); 3085 final int userHandle = UserHandle.getUserId(callingUid); 3086 synchronized (this) { 3087 final DevicePolicyData policy = getUserData(userHandle); 3088 if (policy.mDelegatedCertInstallerPackage == null) { 3089 return false; 3090 } 3091 3092 try { 3093 int uid = mContext.getPackageManager().getPackageUid( 3094 policy.mDelegatedCertInstallerPackage, userHandle); 3095 return uid == callingUid; 3096 } catch (NameNotFoundException e) { 3097 return false; 3098 } 3099 } 3100 } 3101 3102 @Override 3103 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 3104 enforceCanManageCaCerts(admin); 3105 3106 byte[] pemCert; 3107 try { 3108 X509Certificate cert = parseCert(certBuffer); 3109 pemCert = Credentials.convertToPem(cert); 3110 } catch (CertificateException ce) { 3111 Log.e(LOG_TAG, "Problem converting cert", ce); 3112 return false; 3113 } catch (IOException ioe) { 3114 Log.e(LOG_TAG, "Problem reading cert", ioe); 3115 return false; 3116 } 3117 3118 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3119 final long id = Binder.clearCallingIdentity(); 3120 try { 3121 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3122 try { 3123 keyChainConnection.getService().installCaCertificate(pemCert); 3124 return true; 3125 } catch (RemoteException e) { 3126 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 3127 } finally { 3128 keyChainConnection.close(); 3129 } 3130 } catch (InterruptedException e1) { 3131 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 3132 Thread.currentThread().interrupt(); 3133 } finally { 3134 Binder.restoreCallingIdentity(id); 3135 } 3136 return false; 3137 } 3138 3139 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 3140 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 3141 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 3142 certBuffer)); 3143 } 3144 3145 @Override 3146 public void uninstallCaCert(ComponentName admin, String alias) { 3147 enforceCanManageCaCerts(admin); 3148 3149 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3150 final long id = Binder.clearCallingIdentity(); 3151 try { 3152 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3153 try { 3154 keyChainConnection.getService().deleteCaCertificate(alias); 3155 } catch (RemoteException e) { 3156 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 3157 } finally { 3158 keyChainConnection.close(); 3159 } 3160 } catch (InterruptedException ie) { 3161 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 3162 Thread.currentThread().interrupt(); 3163 } finally { 3164 Binder.restoreCallingIdentity(id); 3165 } 3166 } 3167 3168 @Override 3169 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias) { 3170 if (who == null) { 3171 if (!isCallerDelegatedCertInstaller()) { 3172 throw new SecurityException("who == null, but caller is not cert installer"); 3173 } 3174 } else { 3175 synchronized (this) { 3176 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3177 } 3178 } 3179 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3180 final long id = Binder.clearCallingIdentity(); 3181 try { 3182 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3183 try { 3184 IKeyChainService keyChain = keyChainConnection.getService(); 3185 return keyChain.installKeyPair(privKey, cert, alias); 3186 } catch (RemoteException e) { 3187 Log.e(LOG_TAG, "Installing certificate", e); 3188 } finally { 3189 keyChainConnection.close(); 3190 } 3191 } catch (InterruptedException e) { 3192 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 3193 Thread.currentThread().interrupt(); 3194 } finally { 3195 Binder.restoreCallingIdentity(id); 3196 } 3197 return false; 3198 } 3199 3200 @Override 3201 public void choosePrivateKeyAlias(final int uid, final String host, int port, final String url, 3202 final String alias, final IBinder response) { 3203 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 3204 if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID) { 3205 return; 3206 } 3207 3208 final UserHandle caller = Binder.getCallingUserHandle(); 3209 final ComponentName profileOwner = getProfileOwner(caller.getIdentifier()); 3210 3211 if (profileOwner == null) { 3212 sendPrivateKeyAliasResponse(null, response); 3213 return; 3214 } 3215 3216 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 3217 intent.setComponent(profileOwner); 3218 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 3219 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_HOST, host); 3220 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_PORT, port); 3221 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URL, url); 3222 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 3223 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 3224 3225 final long id = Binder.clearCallingIdentity(); 3226 try { 3227 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 3228 @Override 3229 public void onReceive(Context context, Intent intent) { 3230 final String chosenAlias = getResultData(); 3231 sendPrivateKeyAliasResponse(chosenAlias, response); 3232 } 3233 }, null, Activity.RESULT_OK, null, null); 3234 } finally { 3235 Binder.restoreCallingIdentity(id); 3236 } 3237 } 3238 3239 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 3240 final IKeyChainAliasCallback keyChainAliasResponse = 3241 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 3242 new AsyncTask<Void, Void, Void>() { 3243 @Override 3244 protected Void doInBackground(Void... unused) { 3245 try { 3246 keyChainAliasResponse.alias(alias); 3247 } catch (Exception e) { 3248 // Catch everything (not just RemoteException): caller could throw a 3249 // RuntimeException back across processes. 3250 Log.e(LOG_TAG, "error while responding to callback", e); 3251 } 3252 return null; 3253 } 3254 }.execute(); 3255 } 3256 3257 @Override 3258 public void setCertInstallerPackage(ComponentName who, String installerPackage) 3259 throws SecurityException { 3260 int userHandle = UserHandle.getCallingUserId(); 3261 synchronized (this) { 3262 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3263 DevicePolicyData policy = getUserData(userHandle); 3264 policy.mDelegatedCertInstallerPackage = installerPackage; 3265 saveSettingsLocked(userHandle); 3266 } 3267 } 3268 3269 @Override 3270 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 3271 int userHandle = UserHandle.getCallingUserId(); 3272 synchronized (this) { 3273 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3274 DevicePolicyData policy = getUserData(userHandle); 3275 return policy.mDelegatedCertInstallerPackage; 3276 } 3277 } 3278 3279 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 3280 // TODO: wipe all public volumes on device 3281 3282 // If the SD card is encrypted and non-removable, we have to force a wipe. 3283 boolean forceExtWipe = !Environment.isExternalStorageRemovable() && isExtStorageEncrypted(); 3284 3285 // Note: we can only do the wipe via ExternalStorageFormatter if the volume is not emulated. 3286 if ((forceExtWipe || wipeExtRequested) && !Environment.isExternalStorageEmulated()) { 3287 Intent intent = new Intent(ExternalStorageFormatter.FORMAT_AND_FACTORY_RESET); 3288 intent.putExtra(ExternalStorageFormatter.EXTRA_ALWAYS_RESET, true); 3289 intent.putExtra(Intent.EXTRA_REASON, reason); 3290 intent.setComponent(ExternalStorageFormatter.COMPONENT_NAME); 3291 mWakeLock.acquire(10000); 3292 mContext.startService(intent); 3293 } else { 3294 try { 3295 RecoverySystem.rebootWipeUserData(mContext, reason); 3296 } catch (IOException | SecurityException e) { 3297 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 3298 } 3299 } 3300 } 3301 3302 @Override 3303 public void wipeData(int flags, final int userHandle) { 3304 if (!mHasFeature) { 3305 return; 3306 } 3307 enforceCrossUserPermission(userHandle); 3308 synchronized (this) { 3309 // This API can only be called by an active device admin, 3310 // so try to retrieve it to check that the caller is one. 3311 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 3312 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 3313 3314 final String source; 3315 final ComponentName cname = admin.info.getComponent(); 3316 if (cname != null) { 3317 source = cname.flattenToShortString(); 3318 } else { 3319 source = admin.info.getPackageName(); 3320 } 3321 3322 long ident = Binder.clearCallingIdentity(); 3323 try { 3324 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 3325 boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) 3326 && !hasUserSetupCompleted(userHandle); 3327 if (userHandle != UserHandle.USER_OWNER 3328 || !(isDeviceOwner(admin.info.getPackageName()) 3329 || ownsInitialization)) { 3330 throw new SecurityException( 3331 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 3332 } 3333 PersistentDataBlockManager manager = (PersistentDataBlockManager) 3334 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 3335 if (manager != null) { 3336 manager.wipe(); 3337 } 3338 } 3339 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 3340 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 3341 "DevicePolicyManager.wipeData() from " + source); 3342 } finally { 3343 Binder.restoreCallingIdentity(ident); 3344 } 3345 } 3346 } 3347 3348 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 3349 if (userHandle == UserHandle.USER_OWNER) { 3350 wipeDataLocked(wipeExtRequested, reason); 3351 } else { 3352 mHandler.post(new Runnable() { 3353 public void run() { 3354 try { 3355 IActivityManager am = ActivityManagerNative.getDefault(); 3356 if (am.getCurrentUser().id == userHandle) { 3357 am.switchUser(UserHandle.USER_OWNER); 3358 } 3359 if (!mUserManager.removeUser(userHandle)) { 3360 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 3361 } 3362 } catch (RemoteException re) { 3363 // Shouldn't happen 3364 } 3365 } 3366 }); 3367 } 3368 } 3369 3370 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 3371 if (!mHasFeature) { 3372 return; 3373 } 3374 enforceCrossUserPermission(userHandle); 3375 mContext.enforceCallingOrSelfPermission( 3376 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3377 3378 synchronized (this) { 3379 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 3380 if (admin == null) { 3381 try { 3382 result.sendResult(null); 3383 } catch (RemoteException e) { 3384 } 3385 return; 3386 } 3387 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 3388 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 3389 intent.setComponent(admin.info.getComponent()); 3390 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 3391 null, new BroadcastReceiver() { 3392 @Override 3393 public void onReceive(Context context, Intent intent) { 3394 try { 3395 result.sendResult(getResultExtras(false)); 3396 } catch (RemoteException e) { 3397 } 3398 } 3399 }, null, Activity.RESULT_OK, null, null); 3400 } 3401 } 3402 3403 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 3404 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 3405 if (!mHasFeature) { 3406 return; 3407 } 3408 enforceCrossUserPermission(userHandle); 3409 enforceNotManagedProfile(userHandle, "set the active password"); 3410 3411 mContext.enforceCallingOrSelfPermission( 3412 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3413 DevicePolicyData p = getUserData(userHandle); 3414 3415 validateQualityConstant(quality); 3416 3417 synchronized (this) { 3418 if (p.mActivePasswordQuality != quality || p.mActivePasswordLength != length 3419 || p.mFailedPasswordAttempts != 0 || p.mActivePasswordLetters != letters 3420 || p.mActivePasswordUpperCase != uppercase 3421 || p.mActivePasswordLowerCase != lowercase 3422 || p.mActivePasswordNumeric != numbers 3423 || p.mActivePasswordSymbols != symbols 3424 || p.mActivePasswordNonLetter != nonletter) { 3425 long ident = Binder.clearCallingIdentity(); 3426 try { 3427 p.mActivePasswordQuality = quality; 3428 p.mActivePasswordLength = length; 3429 p.mActivePasswordLetters = letters; 3430 p.mActivePasswordLowerCase = lowercase; 3431 p.mActivePasswordUpperCase = uppercase; 3432 p.mActivePasswordNumeric = numbers; 3433 p.mActivePasswordSymbols = symbols; 3434 p.mActivePasswordNonLetter = nonletter; 3435 p.mFailedPasswordAttempts = 0; 3436 saveSettingsLocked(userHandle); 3437 updatePasswordExpirationsLocked(userHandle); 3438 setExpirationAlarmCheckLocked(mContext, p); 3439 sendAdminCommandToSelfAndProfilesLocked( 3440 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 3441 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 3442 } finally { 3443 Binder.restoreCallingIdentity(ident); 3444 } 3445 } 3446 } 3447 } 3448 3449 /** 3450 * Called any time the device password is updated. Resets all password expiration clocks. 3451 */ 3452 private void updatePasswordExpirationsLocked(int userHandle) { 3453 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3454 for (UserInfo userInfo : profiles) { 3455 int profileId = userInfo.id; 3456 DevicePolicyData policy = getUserDataUnchecked(profileId); 3457 final int N = policy.mAdminList.size(); 3458 if (N > 0) { 3459 for (int i=0; i<N; i++) { 3460 ActiveAdmin admin = policy.mAdminList.get(i); 3461 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 3462 long timeout = admin.passwordExpirationTimeout; 3463 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3464 admin.passwordExpirationDate = expiration; 3465 } 3466 } 3467 } 3468 saveSettingsLocked(profileId); 3469 } 3470 } 3471 3472 public void reportFailedPasswordAttempt(int userHandle) { 3473 enforceCrossUserPermission(userHandle); 3474 enforceNotManagedProfile(userHandle, "report failed password attempt"); 3475 mContext.enforceCallingOrSelfPermission( 3476 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3477 3478 long ident = Binder.clearCallingIdentity(); 3479 try { 3480 boolean wipeData = false; 3481 int identifier = 0; 3482 synchronized (this) { 3483 DevicePolicyData policy = getUserData(userHandle); 3484 policy.mFailedPasswordAttempts++; 3485 saveSettingsLocked(userHandle); 3486 if (mHasFeature) { 3487 ActiveAdmin strictestAdmin = 3488 getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 3489 int max = strictestAdmin != null 3490 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 3491 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 3492 // Wipe the user/profile associated with the policy that was violated. This 3493 // is not necessarily calling user: if the policy that fired was from a 3494 // managed profile rather than the main user profile, we wipe former only. 3495 wipeData = true; 3496 identifier = strictestAdmin.getUserHandle().getIdentifier(); 3497 } 3498 sendAdminCommandToSelfAndProfilesLocked( 3499 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 3500 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3501 } 3502 } 3503 if (wipeData) { 3504 // Call without holding lock. 3505 wipeDeviceOrUserLocked(false, identifier, 3506 "reportFailedPasswordAttempt()"); 3507 } 3508 } finally { 3509 Binder.restoreCallingIdentity(ident); 3510 } 3511 } 3512 3513 public void reportSuccessfulPasswordAttempt(int userHandle) { 3514 enforceCrossUserPermission(userHandle); 3515 mContext.enforceCallingOrSelfPermission( 3516 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3517 3518 synchronized (this) { 3519 DevicePolicyData policy = getUserData(userHandle); 3520 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 3521 long ident = Binder.clearCallingIdentity(); 3522 try { 3523 policy.mFailedPasswordAttempts = 0; 3524 policy.mPasswordOwner = -1; 3525 saveSettingsLocked(userHandle); 3526 if (mHasFeature) { 3527 sendAdminCommandToSelfAndProfilesLocked( 3528 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 3529 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3530 } 3531 } finally { 3532 Binder.restoreCallingIdentity(ident); 3533 } 3534 } 3535 } 3536 } 3537 3538 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 3539 String exclusionList) { 3540 if (!mHasFeature) { 3541 return null; 3542 } 3543 synchronized(this) { 3544 Preconditions.checkNotNull(who, "ComponentName is null"); 3545 3546 // Only check if owner has set global proxy. We don't allow other users to set it. 3547 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3548 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3549 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 3550 3551 // Scan through active admins and find if anyone has already 3552 // set the global proxy. 3553 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 3554 for (ComponentName component : compSet) { 3555 ActiveAdmin ap = policy.mAdminMap.get(component); 3556 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 3557 // Another admin already sets the global proxy 3558 // Return it to the caller. 3559 return component; 3560 } 3561 } 3562 3563 // If the user is not the owner, don't set the global proxy. Fail silently. 3564 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3565 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 3566 + UserHandle.getCallingUserId() + " is not permitted."); 3567 return null; 3568 } 3569 if (proxySpec == null) { 3570 admin.specifiesGlobalProxy = false; 3571 admin.globalProxySpec = null; 3572 admin.globalProxyExclusionList = null; 3573 } else { 3574 3575 admin.specifiesGlobalProxy = true; 3576 admin.globalProxySpec = proxySpec; 3577 admin.globalProxyExclusionList = exclusionList; 3578 } 3579 3580 // Reset the global proxy accordingly 3581 // Do this using system permissions, as apps cannot write to secure settings 3582 long origId = Binder.clearCallingIdentity(); 3583 try { 3584 resetGlobalProxyLocked(policy); 3585 } finally { 3586 Binder.restoreCallingIdentity(origId); 3587 } 3588 return null; 3589 } 3590 } 3591 3592 public ComponentName getGlobalProxyAdmin(int userHandle) { 3593 if (!mHasFeature) { 3594 return null; 3595 } 3596 enforceCrossUserPermission(userHandle); 3597 synchronized(this) { 3598 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3599 // Scan through active admins and find if anyone has already 3600 // set the global proxy. 3601 final int N = policy.mAdminList.size(); 3602 for (int i = 0; i < N; i++) { 3603 ActiveAdmin ap = policy.mAdminList.get(i); 3604 if (ap.specifiesGlobalProxy) { 3605 // Device admin sets the global proxy 3606 // Return it to the caller. 3607 return ap.info.getComponent(); 3608 } 3609 } 3610 } 3611 // No device admin sets the global proxy. 3612 return null; 3613 } 3614 3615 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 3616 synchronized (this) { 3617 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3618 } 3619 long token = Binder.clearCallingIdentity(); 3620 try { 3621 ConnectivityManager connectivityManager = (ConnectivityManager) 3622 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 3623 connectivityManager.setGlobalProxy(proxyInfo); 3624 } finally { 3625 Binder.restoreCallingIdentity(token); 3626 } 3627 } 3628 3629 private void resetGlobalProxyLocked(DevicePolicyData policy) { 3630 final int N = policy.mAdminList.size(); 3631 for (int i = 0; i < N; i++) { 3632 ActiveAdmin ap = policy.mAdminList.get(i); 3633 if (ap.specifiesGlobalProxy) { 3634 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 3635 return; 3636 } 3637 } 3638 // No device admins defining global proxies - reset global proxy settings to none 3639 saveGlobalProxyLocked(null, null); 3640 } 3641 3642 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 3643 if (exclusionList == null) { 3644 exclusionList = ""; 3645 } 3646 if (proxySpec == null) { 3647 proxySpec = ""; 3648 } 3649 // Remove white spaces 3650 proxySpec = proxySpec.trim(); 3651 String data[] = proxySpec.split(":"); 3652 int proxyPort = 8080; 3653 if (data.length > 1) { 3654 try { 3655 proxyPort = Integer.parseInt(data[1]); 3656 } catch (NumberFormatException e) {} 3657 } 3658 exclusionList = exclusionList.trim(); 3659 ContentResolver res = mContext.getContentResolver(); 3660 3661 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 3662 if (!proxyProperties.isValid()) { 3663 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 3664 return; 3665 } 3666 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 3667 Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 3668 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 3669 exclusionList); 3670 } 3671 3672 /** 3673 * Set the storage encryption request for a single admin. Returns the new total request 3674 * status (for all admins). 3675 */ 3676 public int setStorageEncryption(ComponentName who, boolean encrypt) { 3677 if (!mHasFeature) { 3678 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3679 } 3680 Preconditions.checkNotNull(who, "ComponentName is null"); 3681 final int userHandle = UserHandle.getCallingUserId(); 3682 synchronized (this) { 3683 // Check for permissions 3684 // Only owner can set storage encryption 3685 if (userHandle != UserHandle.USER_OWNER 3686 || UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3687 Slog.w(LOG_TAG, "Only owner is allowed to set storage encryption. User " 3688 + UserHandle.getCallingUserId() + " is not permitted."); 3689 return 0; 3690 } 3691 3692 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3693 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 3694 3695 // Quick exit: If the filesystem does not support encryption, we can exit early. 3696 if (!isEncryptionSupported()) { 3697 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3698 } 3699 3700 // (1) Record the value for the admin so it's sticky 3701 if (ap.encryptionRequested != encrypt) { 3702 ap.encryptionRequested = encrypt; 3703 saveSettingsLocked(userHandle); 3704 } 3705 3706 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3707 // (2) Compute "max" for all admins 3708 boolean newRequested = false; 3709 final int N = policy.mAdminList.size(); 3710 for (int i = 0; i < N; i++) { 3711 newRequested |= policy.mAdminList.get(i).encryptionRequested; 3712 } 3713 3714 // Notify OS of new request 3715 setEncryptionRequested(newRequested); 3716 3717 // Return the new global request status 3718 return newRequested 3719 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3720 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3721 } 3722 } 3723 3724 /** 3725 * Get the current storage encryption request status for a given admin, or aggregate of all 3726 * active admins. 3727 */ 3728 public boolean getStorageEncryption(ComponentName who, int userHandle) { 3729 if (!mHasFeature) { 3730 return false; 3731 } 3732 enforceCrossUserPermission(userHandle); 3733 synchronized (this) { 3734 // Check for permissions if a particular caller is specified 3735 if (who != null) { 3736 // When checking for a single caller, status is based on caller's request 3737 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 3738 return ap != null ? ap.encryptionRequested : false; 3739 } 3740 3741 // If no particular caller is specified, return the aggregate set of requests. 3742 // This is short circuited by returning true on the first hit. 3743 DevicePolicyData policy = getUserData(userHandle); 3744 final int N = policy.mAdminList.size(); 3745 for (int i = 0; i < N; i++) { 3746 if (policy.mAdminList.get(i).encryptionRequested) { 3747 return true; 3748 } 3749 } 3750 return false; 3751 } 3752 } 3753 3754 /** 3755 * Get the current encryption status of the device. 3756 */ 3757 public int getStorageEncryptionStatus(int userHandle) { 3758 if (!mHasFeature) { 3759 // Ok to return current status. 3760 } 3761 enforceCrossUserPermission(userHandle); 3762 return getEncryptionStatus(); 3763 } 3764 3765 /** 3766 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 3767 */ 3768 private boolean isEncryptionSupported() { 3769 // Note, this can be implemented as 3770 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3771 // But is provided as a separate internal method if there's a faster way to do a 3772 // simple check for supported-or-not. 3773 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3774 } 3775 3776 /** 3777 * Hook to low-levels: Reporting the current status of encryption. 3778 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 3779 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 3780 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, or 3781 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 3782 */ 3783 private int getEncryptionStatus() { 3784 String status = SystemProperties.get("ro.crypto.state", "unsupported"); 3785 if ("encrypted".equalsIgnoreCase(status)) { 3786 final long token = Binder.clearCallingIdentity(); 3787 try { 3788 return LockPatternUtils.isDeviceEncrypted() 3789 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3790 : DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 3791 } finally { 3792 Binder.restoreCallingIdentity(token); 3793 } 3794 } else if ("unencrypted".equalsIgnoreCase(status)) { 3795 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3796 } else { 3797 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3798 } 3799 } 3800 3801 /** 3802 * Hook to low-levels: If needed, record the new admin setting for encryption. 3803 */ 3804 private void setEncryptionRequested(boolean encrypt) { 3805 } 3806 3807 3808 /** 3809 * Set whether the screen capture is disabled for the user managed by the specified admin. 3810 */ 3811 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 3812 if (!mHasFeature) { 3813 return; 3814 } 3815 Preconditions.checkNotNull(who, "ComponentName is null"); 3816 final int userHandle = UserHandle.getCallingUserId(); 3817 synchronized (this) { 3818 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3819 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3820 if (ap.disableScreenCapture != disabled) { 3821 ap.disableScreenCapture = disabled; 3822 saveSettingsLocked(userHandle); 3823 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 3824 } 3825 } 3826 } 3827 3828 /** 3829 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 3830 * active admin (if given admin is null). 3831 */ 3832 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 3833 if (!mHasFeature) { 3834 return false; 3835 } 3836 synchronized (this) { 3837 if (who != null) { 3838 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3839 return (admin != null) ? admin.disableScreenCapture : false; 3840 } 3841 3842 DevicePolicyData policy = getUserData(userHandle); 3843 final int N = policy.mAdminList.size(); 3844 for (int i = 0; i < N; i++) { 3845 ActiveAdmin admin = policy.mAdminList.get(i); 3846 if (admin.disableScreenCapture) { 3847 return true; 3848 } 3849 } 3850 return false; 3851 } 3852 } 3853 3854 private void updateScreenCaptureDisabledInWindowManager(int userHandle, boolean disabled) { 3855 long ident = Binder.clearCallingIdentity(); 3856 try { 3857 getWindowManager().setScreenCaptureDisabled(userHandle, disabled); 3858 } catch (RemoteException e) { 3859 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 3860 } finally { 3861 Binder.restoreCallingIdentity(ident); 3862 } 3863 } 3864 3865 /** 3866 * Set whether auto time is required by the specified admin (must be device owner). 3867 */ 3868 public void setAutoTimeRequired(ComponentName who, boolean required) { 3869 if (!mHasFeature) { 3870 return; 3871 } 3872 Preconditions.checkNotNull(who, "ComponentName is null"); 3873 final int userHandle = UserHandle.getCallingUserId(); 3874 synchronized (this) { 3875 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3876 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3877 if (admin.requireAutoTime != required) { 3878 admin.requireAutoTime = required; 3879 saveSettingsLocked(userHandle); 3880 } 3881 } 3882 3883 // Turn AUTO_TIME on in settings if it is required 3884 if (required) { 3885 long ident = Binder.clearCallingIdentity(); 3886 try { 3887 Settings.Global.putInt(mContext.getContentResolver(), 3888 Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 3889 } finally { 3890 Binder.restoreCallingIdentity(ident); 3891 } 3892 } 3893 } 3894 3895 /** 3896 * Returns whether or not auto time is required by the device owner. 3897 */ 3898 public boolean getAutoTimeRequired() { 3899 if (!mHasFeature) { 3900 return false; 3901 } 3902 synchronized (this) { 3903 ActiveAdmin deviceOwner = getDeviceOwnerAdmin(); 3904 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 3905 } 3906 } 3907 3908 /** 3909 * The system property used to share the state of the camera. The native camera service 3910 * is expected to read this property and act accordingly. The userId should be appended 3911 * to this key. 3912 */ 3913 public static final String SYSTEM_PROP_DISABLE_CAMERA_PREFIX = "sys.secpolicy.camera.off_"; 3914 3915 /** 3916 * Disables all device cameras according to the specified admin. 3917 */ 3918 public void setCameraDisabled(ComponentName who, boolean disabled) { 3919 if (!mHasFeature) { 3920 return; 3921 } 3922 Preconditions.checkNotNull(who, "ComponentName is null"); 3923 final int userHandle = UserHandle.getCallingUserId(); 3924 synchronized (this) { 3925 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3926 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 3927 if (ap.disableCamera != disabled) { 3928 ap.disableCamera = disabled; 3929 saveSettingsLocked(userHandle); 3930 } 3931 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3932 } 3933 } 3934 3935 /** 3936 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 3937 * active admins. 3938 */ 3939 public boolean getCameraDisabled(ComponentName who, int userHandle) { 3940 if (!mHasFeature) { 3941 return false; 3942 } 3943 synchronized (this) { 3944 if (who != null) { 3945 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3946 return (admin != null) ? admin.disableCamera : false; 3947 } 3948 3949 DevicePolicyData policy = getUserData(userHandle); 3950 // Determine whether or not the device camera is disabled for any active admins. 3951 final int N = policy.mAdminList.size(); 3952 for (int i = 0; i < N; i++) { 3953 ActiveAdmin admin = policy.mAdminList.get(i); 3954 if (admin.disableCamera) { 3955 return true; 3956 } 3957 } 3958 return false; 3959 } 3960 } 3961 3962 /** 3963 * Selectively disable keyguard features. 3964 */ 3965 public void setKeyguardDisabledFeatures(ComponentName who, int which) { 3966 if (!mHasFeature) { 3967 return; 3968 } 3969 Preconditions.checkNotNull(who, "ComponentName is null"); 3970 final int userHandle = UserHandle.getCallingUserId(); 3971 if (isManagedProfile(userHandle)) { 3972 which = which & PROFILE_KEYGUARD_FEATURES; 3973 } 3974 synchronized (this) { 3975 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3976 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 3977 if (ap.disabledKeyguardFeatures != which) { 3978 ap.disabledKeyguardFeatures = which; 3979 saveSettingsLocked(userHandle); 3980 } 3981 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3982 } 3983 } 3984 3985 /** 3986 * Gets the disabled state for features in keyguard for the given admin, 3987 * or the aggregate of all active admins if who is null. 3988 */ 3989 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { 3990 if (!mHasFeature) { 3991 return 0; 3992 } 3993 enforceCrossUserPermission(userHandle); 3994 long ident = Binder.clearCallingIdentity(); 3995 try { 3996 synchronized (this) { 3997 if (who != null) { 3998 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3999 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 4000 } 4001 4002 UserInfo user = mUserManager.getUserInfo(userHandle); 4003 final List<UserInfo> profiles; 4004 if (user.isManagedProfile()) { 4005 // If we are being asked about a managed profile just return 4006 // keyguard features disabled by admins in the profile. 4007 profiles = new ArrayList<UserInfo>(1); 4008 profiles.add(user); 4009 } else { 4010 // Otherwise return those set by admins in the user 4011 // and its profiles. 4012 profiles = mUserManager.getProfiles(userHandle); 4013 } 4014 4015 // Determine which keyguard features are disabled by any active admin. 4016 int which = 0; 4017 for (UserInfo userInfo : profiles) { 4018 DevicePolicyData policy = getUserData(userInfo.id); 4019 final int N = policy.mAdminList.size(); 4020 for (int i = 0; i < N; i++) { 4021 ActiveAdmin admin = policy.mAdminList.get(i); 4022 if (userInfo.id == userHandle || !userInfo.isManagedProfile()) { 4023 // If we are being asked explictly about this user 4024 // return all disabled features even if its a managed profile. 4025 which |= admin.disabledKeyguardFeatures; 4026 } else { 4027 // Otherwise a managed profile is only allowed to disable 4028 // some features on the parent user. 4029 which |= (admin.disabledKeyguardFeatures 4030 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 4031 } 4032 } 4033 } 4034 return which; 4035 } 4036 } finally { 4037 Binder.restoreCallingIdentity(ident); 4038 } 4039 } 4040 4041 @Override 4042 public boolean setDeviceOwner(String packageName, String ownerName) { 4043 if (!mHasFeature) { 4044 return false; 4045 } 4046 if (packageName == null 4047 || !DeviceOwner.isInstalled(packageName, mContext.getPackageManager())) { 4048 throw new IllegalArgumentException("Invalid package name " + packageName 4049 + " for device owner"); 4050 } 4051 synchronized (this) { 4052 enforceCanSetDeviceOwner(); 4053 4054 // Shutting down backup manager service permanently. 4055 long ident = Binder.clearCallingIdentity(); 4056 try { 4057 IBackupManager ibm = IBackupManager.Stub.asInterface( 4058 ServiceManager.getService(Context.BACKUP_SERVICE)); 4059 ibm.setBackupServiceActive(UserHandle.USER_OWNER, false); 4060 } catch (RemoteException e) { 4061 throw new IllegalStateException("Failed deactivating backup service.", e); 4062 } finally { 4063 Binder.restoreCallingIdentity(ident); 4064 } 4065 4066 if (mDeviceOwner == null) { 4067 // Device owner is not set and does not exist, set it. 4068 mDeviceOwner = DeviceOwner.createWithDeviceOwner(packageName, ownerName); 4069 } else { 4070 // Device owner state already exists, update it. 4071 mDeviceOwner.setDeviceOwner(packageName, ownerName); 4072 } 4073 mDeviceOwner.writeOwnerFile(); 4074 updateDeviceOwnerLocked(); 4075 return true; 4076 } 4077 } 4078 4079 @Override 4080 public boolean isDeviceOwner(String packageName) { 4081 if (!mHasFeature) { 4082 return false; 4083 } 4084 synchronized (this) { 4085 return mDeviceOwner != null 4086 && mDeviceOwner.hasDeviceOwner() 4087 && mDeviceOwner.getDeviceOwnerPackageName().equals(packageName); 4088 } 4089 } 4090 4091 @Override 4092 public String getDeviceOwner() { 4093 if (!mHasFeature) { 4094 return null; 4095 } 4096 synchronized (this) { 4097 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 4098 return mDeviceOwner.getDeviceOwnerPackageName(); 4099 } 4100 } 4101 return null; 4102 } 4103 4104 @Override 4105 public String getDeviceOwnerName() { 4106 if (!mHasFeature) { 4107 return null; 4108 } 4109 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4110 synchronized (this) { 4111 if (mDeviceOwner == null || !mDeviceOwner.hasDeviceOwner()) { 4112 return null; 4113 } 4114 String deviceOwnerPackage = mDeviceOwner.getDeviceOwnerPackageName(); 4115 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_OWNER); 4116 } 4117 } 4118 4119 // Returns the active device owner or null if there is no device owner. 4120 private ActiveAdmin getDeviceOwnerAdmin() { 4121 String deviceOwnerPackageName = getDeviceOwner(); 4122 if (deviceOwnerPackageName == null) { 4123 return null; 4124 } 4125 4126 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 4127 final int n = policy.mAdminList.size(); 4128 for (int i = 0; i < n; i++) { 4129 ActiveAdmin admin = policy.mAdminList.get(i); 4130 if (deviceOwnerPackageName.equals(admin.info.getPackageName())) { 4131 return admin; 4132 } 4133 } 4134 return null; 4135 } 4136 4137 @Override 4138 public void clearDeviceOwner(String packageName) { 4139 Preconditions.checkNotNull(packageName, "packageName is null"); 4140 try { 4141 int uid = mContext.getPackageManager().getPackageUid(packageName, 0); 4142 if (uid != Binder.getCallingUid()) { 4143 throw new SecurityException("Invalid packageName"); 4144 } 4145 } catch (NameNotFoundException e) { 4146 throw new SecurityException(e); 4147 } 4148 if (!isDeviceOwner(packageName)) { 4149 throw new SecurityException("clearDeviceOwner can only be called by the device owner"); 4150 } 4151 synchronized (this) { 4152 long ident = Binder.clearCallingIdentity(); 4153 try { 4154 clearUserRestrictions(new UserHandle(UserHandle.USER_OWNER)); 4155 if (mDeviceOwner != null) { 4156 mDeviceOwner.clearDeviceOwner(); 4157 mDeviceOwner.writeOwnerFile(); 4158 updateDeviceOwnerLocked(); 4159 } 4160 } finally { 4161 Binder.restoreCallingIdentity(ident); 4162 } 4163 } 4164 } 4165 4166 @Override 4167 public boolean setDeviceInitializer(ComponentName who, ComponentName initializer) { 4168 if (!mHasFeature) { 4169 return false; 4170 } 4171 if (initializer == null || !DeviceOwner.isInstalled( 4172 initializer.getPackageName(), mContext.getPackageManager())) { 4173 throw new IllegalArgumentException("Invalid component name " + initializer 4174 + " for device initializer"); 4175 } 4176 synchronized (this) { 4177 enforceCanSetDeviceInitializer(who); 4178 4179 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4180 throw new IllegalStateException( 4181 "Trying to set device initializer but device initializer is already set."); 4182 } 4183 4184 if (mDeviceOwner == null) { 4185 // Device owner state does not exist, create it. 4186 mDeviceOwner = DeviceOwner.createWithDeviceInitializer(initializer); 4187 } else { 4188 // Device owner already exists, update it. 4189 mDeviceOwner.setDeviceInitializer(initializer); 4190 } 4191 4192 addDeviceInitializerToLockTaskPackagesLocked(UserHandle.USER_OWNER); 4193 mDeviceOwner.writeOwnerFile(); 4194 return true; 4195 } 4196 } 4197 4198 private void enforceCanSetDeviceInitializer(ComponentName who) { 4199 if (who == null) { 4200 mContext.enforceCallingOrSelfPermission( 4201 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 4202 if (hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4203 throw new IllegalStateException( 4204 "Trying to set device initializer but device is already provisioned."); 4205 } 4206 } else { 4207 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4208 } 4209 } 4210 4211 @Override 4212 public boolean isDeviceInitializer(String packageName) { 4213 if (!mHasFeature) { 4214 return false; 4215 } 4216 synchronized (this) { 4217 return mDeviceOwner != null 4218 && mDeviceOwner.hasDeviceInitializer() 4219 && mDeviceOwner.getDeviceInitializerPackageName().equals(packageName); 4220 } 4221 } 4222 4223 @Override 4224 public String getDeviceInitializer() { 4225 if (!mHasFeature) { 4226 return null; 4227 } 4228 synchronized (this) { 4229 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4230 return mDeviceOwner.getDeviceInitializerPackageName(); 4231 } 4232 } 4233 return null; 4234 } 4235 4236 @Override 4237 public ComponentName getDeviceInitializerComponent() { 4238 if (!mHasFeature) { 4239 return null; 4240 } 4241 synchronized (this) { 4242 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4243 return mDeviceOwner.getDeviceInitializerComponent(); 4244 } 4245 } 4246 return null; 4247 } 4248 4249 @Override 4250 public void clearDeviceInitializer(ComponentName who) { 4251 if (!mHasFeature) { 4252 return; 4253 } 4254 Preconditions.checkNotNull(who, "ComponentName is null"); 4255 4256 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, UserHandle.getCallingUserId()); 4257 4258 if (admin.getUid() != Binder.getCallingUid()) { 4259 throw new SecurityException("Admin " + who + " is not owned by uid " 4260 + Binder.getCallingUid()); 4261 } 4262 4263 if (!isDeviceInitializer(admin.info.getPackageName()) 4264 && !isDeviceOwner(admin.info.getPackageName())) { 4265 throw new SecurityException( 4266 "clearDeviceInitializer can only be called by the device initializer/owner"); 4267 } 4268 synchronized (this) { 4269 long ident = Binder.clearCallingIdentity(); 4270 try { 4271 if (mDeviceOwner != null) { 4272 mDeviceOwner.clearDeviceInitializer(); 4273 mDeviceOwner.writeOwnerFile(); 4274 } 4275 } finally { 4276 Binder.restoreCallingIdentity(ident); 4277 } 4278 } 4279 } 4280 4281 @Override 4282 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 4283 if (!mHasFeature) { 4284 return false; 4285 } 4286 if (who == null 4287 || !DeviceOwner.isInstalledForUser(who.getPackageName(), userHandle)) { 4288 throw new IllegalArgumentException("Component " + who 4289 + " not installed for userId:" + userHandle); 4290 } 4291 synchronized (this) { 4292 enforceCanSetProfileOwner(userHandle); 4293 if (mDeviceOwner == null) { 4294 // Device owner state does not exist, create it. 4295 mDeviceOwner = DeviceOwner.createWithProfileOwner(who, ownerName, 4296 userHandle); 4297 } else { 4298 // Device owner state already exists, update it. 4299 mDeviceOwner.setProfileOwner(who, ownerName, userHandle); 4300 } 4301 mDeviceOwner.writeOwnerFile(); 4302 return true; 4303 } 4304 } 4305 4306 @Override 4307 public void clearProfileOwner(ComponentName who) { 4308 if (!mHasFeature) { 4309 return; 4310 } 4311 UserHandle callingUser = Binder.getCallingUserHandle(); 4312 int userId = callingUser.getIdentifier(); 4313 // Check if this is the profile owner who is calling 4314 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4315 synchronized (this) { 4316 // Reset some of the profile-owner policies 4317 DevicePolicyData policy = getUserData(userId); 4318 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 4319 policy.mDelegatedCertInstallerPackage = null; 4320 policy.mStatusBarDisabled = false; 4321 saveSettingsLocked(userId); 4322 4323 long ident = Binder.clearCallingIdentity(); 4324 try { 4325 clearUserRestrictions(callingUser); 4326 if (mDeviceOwner != null) { 4327 mDeviceOwner.removeProfileOwner(userId); 4328 mDeviceOwner.writeOwnerFile(); 4329 } 4330 } finally { 4331 Binder.restoreCallingIdentity(ident); 4332 } 4333 } 4334 } 4335 4336 private void clearUserRestrictions(UserHandle userHandle) { 4337 AudioManager audioManager = 4338 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 4339 Bundle userRestrictions = mUserManager.getUserRestrictions(); 4340 mUserManager.setUserRestrictions(new Bundle(), userHandle); 4341 if (userRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)) { 4342 audioManager.setMasterMute(false, 0); 4343 } 4344 if (userRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE)) { 4345 audioManager.setMicrophoneMute(false); 4346 } 4347 } 4348 4349 @Override 4350 public boolean hasUserSetupCompleted() { 4351 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 4352 } 4353 4354 private boolean hasUserSetupCompleted(int userHandle) { 4355 if (!mHasFeature) { 4356 return true; 4357 } 4358 DevicePolicyData policy = getUserData(userHandle); 4359 // If policy is null, return true, else check if the setup has completed. 4360 return policy == null || policy.mUserSetupComplete; 4361 } 4362 4363 @Override 4364 public boolean setUserEnabled(ComponentName who) { 4365 if (!mHasFeature) { 4366 return false; 4367 } 4368 synchronized (this) { 4369 if (who == null) { 4370 throw new NullPointerException("ComponentName is null"); 4371 } 4372 int userId = UserHandle.getCallingUserId(); 4373 4374 ActiveAdmin activeAdmin = 4375 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4376 if (!isDeviceInitializer(activeAdmin.info.getPackageName())) { 4377 throw new SecurityException( 4378 "This method can only be called by device initializers"); 4379 } 4380 4381 long id = Binder.clearCallingIdentity(); 4382 try { 4383 if (!isDeviceOwner(activeAdmin.info.getPackageName())) { 4384 IPackageManager ipm = AppGlobals.getPackageManager(); 4385 ipm.setComponentEnabledSetting(who, 4386 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 4387 PackageManager.DONT_KILL_APP, userId); 4388 4389 removeActiveAdmin(who, userId); 4390 } 4391 4392 if (userId == UserHandle.USER_OWNER) { 4393 Settings.Global.putInt(mContext.getContentResolver(), 4394 Settings.Global.DEVICE_PROVISIONED, 1); 4395 } 4396 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4397 Settings.Secure.USER_SETUP_COMPLETE, 1, userId); 4398 } catch (RemoteException e) { 4399 Log.i(LOG_TAG, "Can't talk to package manager", e); 4400 return false; 4401 } finally { 4402 restoreCallingIdentity(id); 4403 } 4404 return true; 4405 } 4406 } 4407 4408 @Override 4409 public void setProfileEnabled(ComponentName who) { 4410 if (!mHasFeature) { 4411 return; 4412 } 4413 Preconditions.checkNotNull(who, "ComponentName is null"); 4414 final int userHandle = UserHandle.getCallingUserId(); 4415 synchronized (this) { 4416 // Check if this is the profile owner who is calling 4417 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4418 int userId = UserHandle.getCallingUserId(); 4419 4420 long id = Binder.clearCallingIdentity(); 4421 try { 4422 mUserManager.setUserEnabled(userId); 4423 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 4424 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userHandle)); 4425 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 4426 Intent.FLAG_RECEIVER_FOREGROUND); 4427 // TODO This should send to parent of profile (which is always owner at the moment). 4428 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 4429 } finally { 4430 restoreCallingIdentity(id); 4431 } 4432 } 4433 } 4434 4435 @Override 4436 public void setProfileName(ComponentName who, String profileName) { 4437 Preconditions.checkNotNull(who, "ComponentName is null"); 4438 int userId = UserHandle.getCallingUserId(); 4439 // Check if this is the profile owner (includes device owner). 4440 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4441 4442 long id = Binder.clearCallingIdentity(); 4443 try { 4444 mUserManager.setUserName(userId, profileName); 4445 } finally { 4446 restoreCallingIdentity(id); 4447 } 4448 } 4449 4450 @Override 4451 public ComponentName getProfileOwner(int userHandle) { 4452 if (!mHasFeature) { 4453 return null; 4454 } 4455 4456 synchronized (this) { 4457 if (mDeviceOwner != null) { 4458 return mDeviceOwner.getProfileOwnerComponent(userHandle); 4459 } 4460 } 4461 return null; 4462 } 4463 4464 // Returns the active profile owner for this user or null if the current user has no 4465 // profile owner. 4466 private ActiveAdmin getProfileOwnerAdmin(int userHandle) { 4467 ComponentName profileOwner = 4468 mDeviceOwner != null ? mDeviceOwner.getProfileOwnerComponent(userHandle) : null; 4469 if (profileOwner == null) { 4470 return null; 4471 } 4472 DevicePolicyData policy = getUserData(userHandle); 4473 final int n = policy.mAdminList.size(); 4474 for (int i = 0; i < n; i++) { 4475 ActiveAdmin admin = policy.mAdminList.get(i); 4476 if (profileOwner.equals(admin.info.getComponent())) { 4477 return admin; 4478 } 4479 } 4480 return null; 4481 } 4482 4483 @Override 4484 public String getProfileOwnerName(int userHandle) { 4485 if (!mHasFeature) { 4486 return null; 4487 } 4488 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4489 ComponentName profileOwner = getProfileOwner(userHandle); 4490 if (profileOwner == null) { 4491 return null; 4492 } 4493 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 4494 } 4495 4496 /** 4497 * Canonical name for a given package. 4498 */ 4499 private String getApplicationLabel(String packageName, int userHandle) { 4500 long token = Binder.clearCallingIdentity(); 4501 try { 4502 final Context userContext; 4503 try { 4504 UserHandle handle = new UserHandle(userHandle); 4505 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 4506 } catch (PackageManager.NameNotFoundException nnfe) { 4507 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 4508 return null; 4509 } 4510 ApplicationInfo appInfo = userContext.getApplicationInfo(); 4511 CharSequence result = null; 4512 if (appInfo != null) { 4513 PackageManager pm = userContext.getPackageManager(); 4514 result = pm.getApplicationLabel(appInfo); 4515 } 4516 return result != null ? result.toString() : null; 4517 } finally { 4518 Binder.restoreCallingIdentity(token); 4519 } 4520 } 4521 4522 /** 4523 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 4524 * permission. 4525 * The profile owner can only be set before the user setup phase has completed, 4526 * except for: 4527 * - SYSTEM_UID 4528 * - adb if there are not accounts. 4529 */ 4530 private void enforceCanSetProfileOwner(int userHandle) { 4531 UserInfo info = mUserManager.getUserInfo(userHandle); 4532 if (info == null) { 4533 // User doesn't exist. 4534 throw new IllegalArgumentException( 4535 "Attempted to set profile owner for invalid userId: " + userHandle); 4536 } 4537 if (info.isGuest()) { 4538 throw new IllegalStateException("Cannot set a profile owner on a guest"); 4539 } 4540 if (getProfileOwner(userHandle) != null) { 4541 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 4542 + "is already set."); 4543 } 4544 int callingUid = Binder.getCallingUid(); 4545 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 4546 if (hasUserSetupCompleted(userHandle) && 4547 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 4548 throw new IllegalStateException("Not allowed to set the profile owner because " 4549 + "there are already some accounts on the profile"); 4550 } 4551 return; 4552 } 4553 mContext.enforceCallingOrSelfPermission( 4554 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 4555 if (hasUserSetupCompleted(userHandle) 4556 && UserHandle.getAppId(callingUid) != Process.SYSTEM_UID) { 4557 throw new IllegalStateException("Cannot set the profile owner on a user which is " 4558 + "already set-up"); 4559 } 4560 } 4561 4562 /** 4563 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 4564 * permission. 4565 * The device owner can only be set before the setup phase of the primary user has completed, 4566 * except for adb if no accounts or additional users are present on the device. 4567 */ 4568 private void enforceCanSetDeviceOwner() { 4569 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 4570 throw new IllegalStateException("Trying to set the device owner, but device owner " 4571 + "is already set."); 4572 } 4573 int callingUid = Binder.getCallingUid(); 4574 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 4575 if (!hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4576 return; 4577 } 4578 if (mUserManager.getUserCount() > 1) { 4579 throw new IllegalStateException("Not allowed to set the device owner because there " 4580 + "are already several users on the device"); 4581 } 4582 if (AccountManager.get(mContext).getAccounts().length > 0) { 4583 throw new IllegalStateException("Not allowed to set the device owner because there " 4584 + "are already some accounts on the device"); 4585 } 4586 return; 4587 } 4588 mContext.enforceCallingOrSelfPermission( 4589 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 4590 if (hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4591 throw new IllegalStateException("Cannot set the device owner if the device is " 4592 + "already set-up"); 4593 } 4594 } 4595 4596 private void enforceCrossUserPermission(int userHandle) { 4597 if (userHandle < 0) { 4598 throw new IllegalArgumentException("Invalid userId " + userHandle); 4599 } 4600 final int callingUid = Binder.getCallingUid(); 4601 if (userHandle == UserHandle.getUserId(callingUid)) return; 4602 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4603 mContext.enforceCallingOrSelfPermission( 4604 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "Must be system or have" 4605 + " INTERACT_ACROSS_USERS_FULL permission"); 4606 } 4607 } 4608 4609 private void enforceSystemProcess(String message) { 4610 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4611 throw new SecurityException(message); 4612 } 4613 } 4614 4615 private void enforceNotManagedProfile(int userHandle, String message) { 4616 if(isManagedProfile(userHandle)) { 4617 throw new SecurityException("You can not " + message + " for a managed profile. "); 4618 } 4619 } 4620 4621 private UserInfo getProfileParent(int userHandle) { 4622 long ident = Binder.clearCallingIdentity(); 4623 try { 4624 return mUserManager.getProfileParent(userHandle); 4625 } finally { 4626 Binder.restoreCallingIdentity(ident); 4627 } 4628 } 4629 4630 private boolean isManagedProfile(int userHandle) { 4631 long ident = Binder.clearCallingIdentity(); 4632 try { 4633 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 4634 } finally { 4635 Binder.restoreCallingIdentity(ident); 4636 } 4637 } 4638 4639 private void enableIfNecessary(String packageName, int userId) { 4640 try { 4641 IPackageManager ipm = AppGlobals.getPackageManager(); 4642 ApplicationInfo ai = ipm.getApplicationInfo(packageName, 4643 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 4644 userId); 4645 if (ai.enabledSetting 4646 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 4647 ipm.setApplicationEnabledSetting(packageName, 4648 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 4649 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 4650 } 4651 } catch (RemoteException e) { 4652 } 4653 } 4654 4655 @Override 4656 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4657 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4658 != PackageManager.PERMISSION_GRANTED) { 4659 4660 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 4661 + Binder.getCallingPid() 4662 + ", uid=" + Binder.getCallingUid()); 4663 return; 4664 } 4665 4666 final Printer p = new PrintWriterPrinter(pw); 4667 4668 synchronized (this) { 4669 p.println("Current Device Policy Manager state:"); 4670 if (mDeviceOwner != null) { 4671 mDeviceOwner.dump(" ", pw); 4672 } 4673 int userCount = mUserData.size(); 4674 for (int u = 0; u < userCount; u++) { 4675 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 4676 p.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); 4677 final int N = policy.mAdminList.size(); 4678 for (int i=0; i<N; i++) { 4679 ActiveAdmin ap = policy.mAdminList.get(i); 4680 if (ap != null) { 4681 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 4682 pw.println(":"); 4683 ap.dump(" ", pw); 4684 } 4685 } 4686 if (!policy.mRemovingAdmins.isEmpty()) { 4687 p.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 4688 + policy.mRemovingAdmins); 4689 } 4690 4691 pw.println(" "); 4692 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 4693 } 4694 } 4695 } 4696 4697 @Override 4698 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 4699 ComponentName activity) { 4700 Preconditions.checkNotNull(who, "ComponentName is null"); 4701 final int userHandle = UserHandle.getCallingUserId(); 4702 synchronized (this) { 4703 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4704 4705 IPackageManager pm = AppGlobals.getPackageManager(); 4706 long id = Binder.clearCallingIdentity(); 4707 try { 4708 pm.addPersistentPreferredActivity(filter, activity, userHandle); 4709 } catch (RemoteException re) { 4710 // Shouldn't happen 4711 } finally { 4712 restoreCallingIdentity(id); 4713 } 4714 } 4715 } 4716 4717 @Override 4718 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 4719 Preconditions.checkNotNull(who, "ComponentName is null"); 4720 final int userHandle = UserHandle.getCallingUserId(); 4721 synchronized (this) { 4722 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4723 4724 IPackageManager pm = AppGlobals.getPackageManager(); 4725 long id = Binder.clearCallingIdentity(); 4726 try { 4727 pm.clearPackagePersistentPreferredActivities(packageName, userHandle); 4728 } catch (RemoteException re) { 4729 // Shouldn't happen 4730 } finally { 4731 restoreCallingIdentity(id); 4732 } 4733 } 4734 } 4735 4736 @Override 4737 public void setPreferredSetupActivity(ComponentName who, ComponentName activity) { 4738 if (!mHasFeature) { 4739 return; 4740 } 4741 Preconditions.checkNotNull(who, "ComponentName is null"); 4742 synchronized (this) { 4743 ActiveAdmin activeAdmin = 4744 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4745 if (!isDeviceInitializer(activeAdmin.info.getPackageName())) { 4746 throw new SecurityException( 4747 "This method can only be called by device initializers"); 4748 } 4749 int userHandle = UserHandle.getCallingUserId(); 4750 DevicePolicyData userData = getUserData(userHandle); 4751 userData.mPreferredSetupActivity = activity; 4752 saveSettingsLocked(userHandle); 4753 updatePreferredSetupActivityLocked(userHandle); 4754 } 4755 } 4756 4757 private void updatePreferredSetupActivityLocked(int userHandle) { 4758 if (!mHasFeature) { 4759 return; 4760 } 4761 IActivityManager am = ActivityManagerNative.getDefault(); 4762 long ident = Binder.clearCallingIdentity(); 4763 try { 4764 am.updatePreferredSetupActivity( 4765 getUserData(userHandle).mPreferredSetupActivity, userHandle); 4766 } catch (RemoteException e) { 4767 // Not gonna happen. 4768 } finally { 4769 Binder.restoreCallingIdentity(ident); 4770 } 4771 } 4772 4773 @Override 4774 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 4775 Preconditions.checkNotNull(who, "ComponentName is null"); 4776 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4777 synchronized (this) { 4778 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4779 4780 long id = Binder.clearCallingIdentity(); 4781 try { 4782 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 4783 } finally { 4784 restoreCallingIdentity(id); 4785 } 4786 } 4787 } 4788 4789 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 4790 PersistableBundle args) { 4791 if (!mHasFeature) { 4792 return; 4793 } 4794 Preconditions.checkNotNull(admin, "admin is null"); 4795 Preconditions.checkNotNull(agent, "agent is null"); 4796 final int userHandle = UserHandle.getCallingUserId(); 4797 enforceNotManagedProfile(userHandle, "set trust agent configuration"); 4798 synchronized (this) { 4799 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 4800 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4801 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 4802 saveSettingsLocked(userHandle); 4803 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4804 } 4805 } 4806 4807 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 4808 ComponentName agent, int userHandle) { 4809 if (!mHasFeature) { 4810 return null; 4811 } 4812 Preconditions.checkNotNull(agent, "agent null"); 4813 enforceCrossUserPermission(userHandle); 4814 4815 synchronized (this) { 4816 final String componentName = agent.flattenToString(); 4817 if (admin != null) { 4818 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 4819 if (ap == null) return null; 4820 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 4821 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 4822 List<PersistableBundle> result = new ArrayList<PersistableBundle>(); 4823 result.add(trustAgentInfo.options); 4824 return result; 4825 } 4826 4827 // Return strictest policy for this user and profiles that are visible from this user. 4828 final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 4829 List<PersistableBundle> result = null; 4830 4831 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 4832 // of the options. If any admin doesn't have options, discard options for the rest 4833 // and return null. 4834 boolean allAdminsHaveOptions = true; 4835 for (UserInfo userInfo : profiles) { 4836 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 4837 final int N = policy.mAdminList.size(); 4838 for (int i=0; i < N; i++) { 4839 final ActiveAdmin active = policy.mAdminList.get(i); 4840 final boolean disablesTrust = (active.disabledKeyguardFeatures 4841 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 4842 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 4843 if (info != null && info.options != null && !info.options.isEmpty()) { 4844 if (disablesTrust) { 4845 if (result == null) { 4846 result = new ArrayList<PersistableBundle>(); 4847 } 4848 result.add(info.options); 4849 } else { 4850 Log.w(LOG_TAG, "Ignoring admin " + active.info 4851 + " because it has trust options but doesn't declare " 4852 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 4853 } 4854 } else if (disablesTrust) { 4855 allAdminsHaveOptions = false; 4856 break; 4857 } 4858 } 4859 } 4860 return allAdminsHaveOptions ? result : null; 4861 } 4862 } 4863 4864 @Override 4865 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 4866 Preconditions.checkNotNull(who, "ComponentName is null"); 4867 synchronized (this) { 4868 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4869 4870 int userHandle = UserHandle.getCallingUserId(); 4871 DevicePolicyData userData = getUserData(userHandle); 4872 userData.mRestrictionsProvider = permissionProvider; 4873 saveSettingsLocked(userHandle); 4874 } 4875 } 4876 4877 @Override 4878 public ComponentName getRestrictionsProvider(int userHandle) { 4879 synchronized (this) { 4880 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4881 throw new SecurityException("Only the system can query the permission provider"); 4882 } 4883 DevicePolicyData userData = getUserData(userHandle); 4884 return userData != null ? userData.mRestrictionsProvider : null; 4885 } 4886 } 4887 4888 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 4889 Preconditions.checkNotNull(who, "ComponentName is null"); 4890 int callingUserId = UserHandle.getCallingUserId(); 4891 synchronized (this) { 4892 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4893 4894 IPackageManager pm = AppGlobals.getPackageManager(); 4895 long id = Binder.clearCallingIdentity(); 4896 try { 4897 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 4898 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), callingUserId, 4899 UserHandle.USER_OWNER, 0); 4900 } 4901 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 4902 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4903 UserHandle.USER_OWNER, callingUserId, 0); 4904 } 4905 } catch (RemoteException re) { 4906 // Shouldn't happen 4907 } finally { 4908 restoreCallingIdentity(id); 4909 } 4910 } 4911 } 4912 4913 public void clearCrossProfileIntentFilters(ComponentName who) { 4914 Preconditions.checkNotNull(who, "ComponentName is null"); 4915 int callingUserId = UserHandle.getCallingUserId(); 4916 synchronized (this) { 4917 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4918 IPackageManager pm = AppGlobals.getPackageManager(); 4919 long id = Binder.clearCallingIdentity(); 4920 try { 4921 // Removing those that go from the managed profile to the primary user. 4922 pm.clearCrossProfileIntentFilters(callingUserId, who.getPackageName()); 4923 // And those that go from the primary user to the managed profile. 4924 // If we want to support multiple managed profiles, we will have to only remove 4925 // those that have callingUserId as their target. 4926 pm.clearCrossProfileIntentFilters(UserHandle.USER_OWNER, who.getPackageName()); 4927 } catch (RemoteException re) { 4928 // Shouldn't happen 4929 } finally { 4930 restoreCallingIdentity(id); 4931 } 4932 } 4933 } 4934 4935 /** 4936 * @return true if all packages in enabledPackages are either in the list 4937 * permittedList or are a system app. 4938 */ 4939 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 4940 List<String> permittedList) { 4941 int userIdToCheck = UserHandle.getCallingUserId(); 4942 long id = Binder.clearCallingIdentity(); 4943 try { 4944 // If we have an enabled packages list for a managed profile the packages 4945 // we should check are installed for the parent user. 4946 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 4947 if (user.isManagedProfile()) { 4948 userIdToCheck = user.profileGroupId; 4949 } 4950 4951 IPackageManager pm = AppGlobals.getPackageManager(); 4952 for (String enabledPackage : enabledPackages) { 4953 boolean systemService = false; 4954 try { 4955 ApplicationInfo applicationInfo = pm.getApplicationInfo(enabledPackage, 4956 PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 4957 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 4958 } catch (RemoteException e) { 4959 Log.i(LOG_TAG, "Can't talk to package managed", e); 4960 } 4961 if (!systemService && !permittedList.contains(enabledPackage)) { 4962 return false; 4963 } 4964 } 4965 } finally { 4966 restoreCallingIdentity(id); 4967 } 4968 return true; 4969 } 4970 4971 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 4972 // Not using AccessibilityManager.getInstance because that guesses 4973 // at the user you require based on callingUid and caches for a given 4974 // process. 4975 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 4976 IAccessibilityManager service = iBinder == null 4977 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 4978 return new AccessibilityManager(mContext, service, userId); 4979 } 4980 4981 @Override 4982 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 4983 if (!mHasFeature) { 4984 return false; 4985 } 4986 Preconditions.checkNotNull(who, "ComponentName is null"); 4987 4988 if (packageList != null) { 4989 int userId = UserHandle.getCallingUserId(); 4990 List<AccessibilityServiceInfo> enabledServices = null; 4991 long id = Binder.clearCallingIdentity(); 4992 try { 4993 UserInfo user = mUserManager.getUserInfo(userId); 4994 if (user.isManagedProfile()) { 4995 userId = user.profileGroupId; 4996 } 4997 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 4998 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 4999 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 5000 } finally { 5001 restoreCallingIdentity(id); 5002 } 5003 5004 if (enabledServices != null) { 5005 List<String> enabledPackages = new ArrayList<String>(); 5006 for (AccessibilityServiceInfo service : enabledServices) { 5007 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 5008 } 5009 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 5010 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 5011 + "because it contains already enabled accesibility services."); 5012 return false; 5013 } 5014 } 5015 } 5016 5017 synchronized (this) { 5018 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5019 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5020 admin.permittedAccessiblityServices = packageList; 5021 saveSettingsLocked(UserHandle.getCallingUserId()); 5022 } 5023 return true; 5024 } 5025 5026 @Override 5027 public List getPermittedAccessibilityServices(ComponentName who) { 5028 if (!mHasFeature) { 5029 return null; 5030 } 5031 Preconditions.checkNotNull(who, "ComponentName is null"); 5032 5033 synchronized (this) { 5034 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5035 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5036 return admin.permittedAccessiblityServices; 5037 } 5038 } 5039 5040 @Override 5041 public List getPermittedAccessibilityServicesForUser(int userId) { 5042 if (!mHasFeature) { 5043 return null; 5044 } 5045 synchronized (this) { 5046 List<String> result = null; 5047 // If we have multiple profiles we return the intersection of the 5048 // permitted lists. This can happen in cases where we have a device 5049 // and profile owner. 5050 List<UserInfo> profiles = mUserManager.getProfiles(userId); 5051 final int PROFILES_SIZE = profiles.size(); 5052 for (int i = 0; i < PROFILES_SIZE; ++i) { 5053 // Just loop though all admins, only device or profiles 5054 // owners can have permitted lists set. 5055 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 5056 final int N = policy.mAdminList.size(); 5057 for (int j = 0; j < N; j++) { 5058 ActiveAdmin admin = policy.mAdminList.get(j); 5059 List<String> fromAdmin = admin.permittedAccessiblityServices; 5060 if (fromAdmin != null) { 5061 if (result == null) { 5062 result = new ArrayList<String>(fromAdmin); 5063 } else { 5064 result.retainAll(fromAdmin); 5065 } 5066 } 5067 } 5068 } 5069 5070 // If we have a permitted list add all system accessibility services. 5071 if (result != null) { 5072 long id = Binder.clearCallingIdentity(); 5073 try { 5074 UserInfo user = mUserManager.getUserInfo(userId); 5075 if (user.isManagedProfile()) { 5076 userId = user.profileGroupId; 5077 } 5078 AccessibilityManager accessibilityManager = 5079 getAccessibilityManagerForUser(userId); 5080 List<AccessibilityServiceInfo> installedServices = 5081 accessibilityManager.getInstalledAccessibilityServiceList(); 5082 5083 IPackageManager pm = AppGlobals.getPackageManager(); 5084 if (installedServices != null) { 5085 for (AccessibilityServiceInfo service : installedServices) { 5086 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 5087 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 5088 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 5089 result.add(serviceInfo.packageName); 5090 } 5091 } 5092 } 5093 } finally { 5094 restoreCallingIdentity(id); 5095 } 5096 } 5097 5098 return result; 5099 } 5100 } 5101 5102 private boolean checkCallerIsCurrentUserOrProfile() { 5103 int callingUserId = UserHandle.getCallingUserId(); 5104 long token = Binder.clearCallingIdentity(); 5105 try { 5106 UserInfo currentUser; 5107 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 5108 try { 5109 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 5110 } catch (RemoteException e) { 5111 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 5112 return false; 5113 } 5114 5115 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 5116 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 5117 + "of a user that isn't the foreground user."); 5118 return false; 5119 } 5120 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 5121 Slog.e(LOG_TAG, "Cannot set permitted input methods " 5122 + "of a user that isn't the foreground user."); 5123 return false; 5124 } 5125 } finally { 5126 Binder.restoreCallingIdentity(token); 5127 } 5128 return true; 5129 } 5130 5131 @Override 5132 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 5133 if (!mHasFeature) { 5134 return false; 5135 } 5136 Preconditions.checkNotNull(who, "ComponentName is null"); 5137 5138 // TODO When InputMethodManager supports per user calls remove 5139 // this restriction. 5140 if (!checkCallerIsCurrentUserOrProfile()) { 5141 return false; 5142 } 5143 5144 if (packageList != null) { 5145 // InputMethodManager fetches input methods for current user. 5146 // So this can only be set when calling user is the current user 5147 // or parent is current user in case of managed profiles. 5148 InputMethodManager inputMethodManager = (InputMethodManager) mContext 5149 .getSystemService(Context.INPUT_METHOD_SERVICE); 5150 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 5151 5152 if (enabledImes != null) { 5153 List<String> enabledPackages = new ArrayList<String>(); 5154 for (InputMethodInfo ime : enabledImes) { 5155 enabledPackages.add(ime.getPackageName()); 5156 } 5157 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 5158 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 5159 + "because it contains already enabled input method."); 5160 return false; 5161 } 5162 } 5163 } 5164 5165 synchronized (this) { 5166 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5167 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5168 admin.permittedInputMethods = packageList; 5169 saveSettingsLocked(UserHandle.getCallingUserId()); 5170 } 5171 return true; 5172 } 5173 5174 @Override 5175 public List getPermittedInputMethods(ComponentName who) { 5176 if (!mHasFeature) { 5177 return null; 5178 } 5179 Preconditions.checkNotNull(who, "ComponentName is null"); 5180 5181 synchronized (this) { 5182 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5183 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5184 return admin.permittedInputMethods; 5185 } 5186 } 5187 5188 @Override 5189 public List getPermittedInputMethodsForCurrentUser() { 5190 UserInfo currentUser; 5191 try { 5192 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 5193 } catch (RemoteException e) { 5194 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 5195 // Activity managed is dead, just allow all IMEs 5196 return null; 5197 } 5198 5199 int userId = currentUser.id; 5200 synchronized (this) { 5201 List<String> result = null; 5202 // If we have multiple profiles we return the intersection of the 5203 // permitted lists. This can happen in cases where we have a device 5204 // and profile owner. 5205 List<UserInfo> profiles = mUserManager.getProfiles(userId); 5206 final int PROFILES_SIZE = profiles.size(); 5207 for (int i = 0; i < PROFILES_SIZE; ++i) { 5208 // Just loop though all admins, only device or profiles 5209 // owners can have permitted lists set. 5210 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 5211 final int N = policy.mAdminList.size(); 5212 for (int j = 0; j < N; j++) { 5213 ActiveAdmin admin = policy.mAdminList.get(j); 5214 List<String> fromAdmin = admin.permittedInputMethods; 5215 if (fromAdmin != null) { 5216 if (result == null) { 5217 result = new ArrayList<String>(fromAdmin); 5218 } else { 5219 result.retainAll(fromAdmin); 5220 } 5221 } 5222 } 5223 } 5224 5225 // If we have a permitted list add all system input methods. 5226 if (result != null) { 5227 InputMethodManager inputMethodManager = (InputMethodManager) mContext 5228 .getSystemService(Context.INPUT_METHOD_SERVICE); 5229 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 5230 long id = Binder.clearCallingIdentity(); 5231 try { 5232 IPackageManager pm = AppGlobals.getPackageManager(); 5233 if (imes != null) { 5234 for (InputMethodInfo ime : imes) { 5235 ServiceInfo serviceInfo = ime.getServiceInfo(); 5236 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 5237 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 5238 result.add(serviceInfo.packageName); 5239 } 5240 } 5241 } 5242 } finally { 5243 restoreCallingIdentity(id); 5244 } 5245 } 5246 return result; 5247 } 5248 } 5249 5250 @Override 5251 public UserHandle createUser(ComponentName who, String name) { 5252 Preconditions.checkNotNull(who, "ComponentName is null"); 5253 synchronized (this) { 5254 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5255 5256 long id = Binder.clearCallingIdentity(); 5257 try { 5258 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 5259 if (userInfo != null) { 5260 return userInfo.getUserHandle(); 5261 } 5262 return null; 5263 } finally { 5264 restoreCallingIdentity(id); 5265 } 5266 } 5267 } 5268 5269 @Override 5270 public UserHandle createAndInitializeUser(ComponentName who, String name, 5271 String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { 5272 UserHandle user = createUser(who, name); 5273 if (user == null) { 5274 return null; 5275 } 5276 long id = Binder.clearCallingIdentity(); 5277 try { 5278 String profileOwnerPkg = profileOwnerComponent.getPackageName(); 5279 final IPackageManager ipm = AppGlobals.getPackageManager(); 5280 IActivityManager activityManager = ActivityManagerNative.getDefault(); 5281 5282 final int userHandle = user.getIdentifier(); 5283 try { 5284 // Install the profile owner if not present. 5285 if (!ipm.isPackageAvailable(profileOwnerPkg, userHandle)) { 5286 ipm.installExistingPackageAsUser(profileOwnerPkg, userHandle); 5287 } 5288 5289 // Start user in background. 5290 activityManager.startUserInBackground(userHandle); 5291 } catch (RemoteException e) { 5292 Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); 5293 } 5294 5295 setActiveAdmin(profileOwnerComponent, true, userHandle, adminExtras); 5296 setProfileOwner(profileOwnerComponent, ownerName, userHandle); 5297 return user; 5298 } finally { 5299 restoreCallingIdentity(id); 5300 } 5301 } 5302 5303 @Override 5304 public boolean removeUser(ComponentName who, UserHandle userHandle) { 5305 Preconditions.checkNotNull(who, "ComponentName is null"); 5306 synchronized (this) { 5307 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5308 5309 long id = Binder.clearCallingIdentity(); 5310 try { 5311 return mUserManager.removeUser(userHandle.getIdentifier()); 5312 } finally { 5313 restoreCallingIdentity(id); 5314 } 5315 } 5316 } 5317 5318 @Override 5319 public boolean switchUser(ComponentName who, UserHandle userHandle) { 5320 Preconditions.checkNotNull(who, "ComponentName is null"); 5321 synchronized (this) { 5322 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5323 5324 long id = Binder.clearCallingIdentity(); 5325 try { 5326 int userId = UserHandle.USER_OWNER; 5327 if (userHandle != null) { 5328 userId = userHandle.getIdentifier(); 5329 } 5330 return ActivityManagerNative.getDefault().switchUser(userId); 5331 } catch (RemoteException e) { 5332 Log.e(LOG_TAG, "Couldn't switch user", e); 5333 return false; 5334 } finally { 5335 restoreCallingIdentity(id); 5336 } 5337 } 5338 } 5339 5340 @Override 5341 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 5342 Preconditions.checkNotNull(who, "ComponentName is null"); 5343 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 5344 5345 synchronized (this) { 5346 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5347 5348 long id = Binder.clearCallingIdentity(); 5349 try { 5350 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 5351 // if no restrictions were saved, mUserManager.getApplicationRestrictions 5352 // returns null, but DPM method should return an empty Bundle as per JavaDoc 5353 return bundle != null ? bundle : Bundle.EMPTY; 5354 } finally { 5355 restoreCallingIdentity(id); 5356 } 5357 } 5358 } 5359 5360 @Override 5361 public void setUserRestriction(ComponentName who, String key, boolean enabled) { 5362 Preconditions.checkNotNull(who, "ComponentName is null"); 5363 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 5364 final int userHandle = user.getIdentifier(); 5365 synchronized (this) { 5366 ActiveAdmin activeAdmin = 5367 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5368 boolean isDeviceOwner = isDeviceOwner(activeAdmin.info.getPackageName()); 5369 if (!isDeviceOwner && userHandle != UserHandle.USER_OWNER 5370 && DEVICE_OWNER_USER_RESTRICTIONS.contains(key)) { 5371 throw new SecurityException("Profile owners cannot set user restriction " + key); 5372 } 5373 if (IMMUTABLE_USER_RESTRICTIONS.contains(key)) { 5374 throw new SecurityException("User restriction " + key + " cannot be changed"); 5375 } 5376 boolean alreadyRestricted = mUserManager.hasUserRestriction(key, user); 5377 5378 IAudioService iAudioService = null; 5379 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key) 5380 || UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5381 iAudioService = IAudioService.Stub.asInterface( 5382 ServiceManager.getService(Context.AUDIO_SERVICE)); 5383 } 5384 5385 if (enabled && !alreadyRestricted) { 5386 try { 5387 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 5388 iAudioService.setMicrophoneMute(true, who.getPackageName()); 5389 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5390 iAudioService.setMasterMute(true, 0, who.getPackageName()); 5391 } 5392 } catch (RemoteException re) { 5393 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 5394 } 5395 } 5396 long id = Binder.clearCallingIdentity(); 5397 try { 5398 if (enabled && !alreadyRestricted) { 5399 if (UserManager.DISALLOW_CONFIG_WIFI.equals(key)) { 5400 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5401 Settings.Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0, 5402 userHandle); 5403 } else if (UserManager.DISALLOW_USB_FILE_TRANSFER.equals(key)) { 5404 UsbManager manager = 5405 (UsbManager) mContext.getSystemService(Context.USB_SERVICE); 5406 manager.setCurrentFunction("none", false); 5407 } else if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 5408 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5409 Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF, 5410 userHandle); 5411 Settings.Secure.putStringForUser(mContext.getContentResolver(), 5412 Settings.Secure.LOCATION_PROVIDERS_ALLOWED, "", 5413 userHandle); 5414 } else if (UserManager.DISALLOW_DEBUGGING_FEATURES.equals(key)) { 5415 // Only disable adb if changing for primary user, since it is global 5416 if (userHandle == UserHandle.USER_OWNER) { 5417 Settings.Global.putStringForUser(mContext.getContentResolver(), 5418 Settings.Global.ADB_ENABLED, "0", userHandle); 5419 } 5420 } else if (UserManager.ENSURE_VERIFY_APPS.equals(key)) { 5421 Settings.Global.putStringForUser(mContext.getContentResolver(), 5422 Settings.Global.PACKAGE_VERIFIER_ENABLE, "1", 5423 userHandle); 5424 Settings.Global.putStringForUser(mContext.getContentResolver(), 5425 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, "1", 5426 userHandle); 5427 } else if (UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES.equals(key)) { 5428 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5429 Settings.Secure.INSTALL_NON_MARKET_APPS, 0, 5430 userHandle); 5431 } 5432 } 5433 mUserManager.setUserRestriction(key, enabled, user); 5434 if (enabled != alreadyRestricted) { 5435 if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 5436 // Send out notifications however as some clients may want to reread the 5437 // value which actually changed due to a restriction having been applied. 5438 final String property = Settings.Secure.SYS_PROP_SETTING_VERSION; 5439 long version = SystemProperties.getLong(property, 0) + 1; 5440 SystemProperties.set(property, Long.toString(version)); 5441 5442 final String name = Settings.Secure.LOCATION_PROVIDERS_ALLOWED; 5443 Uri url = Uri.withAppendedPath(Settings.Secure.CONTENT_URI, name); 5444 mContext.getContentResolver().notifyChange(url, null, true, userHandle); 5445 } 5446 } 5447 } finally { 5448 restoreCallingIdentity(id); 5449 } 5450 if (!enabled && alreadyRestricted) { 5451 try { 5452 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 5453 iAudioService.setMicrophoneMute(false, who.getPackageName()); 5454 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5455 iAudioService.setMasterMute(false, 0, who.getPackageName()); 5456 } 5457 } catch (RemoteException re) { 5458 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 5459 } 5460 } 5461 sendChangedNotification(userHandle); 5462 } 5463 } 5464 5465 @Override 5466 public boolean setApplicationHidden(ComponentName who, String packageName, 5467 boolean hidden) { 5468 Preconditions.checkNotNull(who, "ComponentName is null"); 5469 int callingUserId = UserHandle.getCallingUserId(); 5470 synchronized (this) { 5471 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5472 5473 long id = Binder.clearCallingIdentity(); 5474 try { 5475 IPackageManager pm = AppGlobals.getPackageManager(); 5476 return pm.setApplicationHiddenSettingAsUser(packageName, hidden, callingUserId); 5477 } catch (RemoteException re) { 5478 // shouldn't happen 5479 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 5480 } finally { 5481 restoreCallingIdentity(id); 5482 } 5483 return false; 5484 } 5485 } 5486 5487 @Override 5488 public boolean isApplicationHidden(ComponentName who, String packageName) { 5489 Preconditions.checkNotNull(who, "ComponentName is null"); 5490 int callingUserId = UserHandle.getCallingUserId(); 5491 synchronized (this) { 5492 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5493 5494 long id = Binder.clearCallingIdentity(); 5495 try { 5496 IPackageManager pm = AppGlobals.getPackageManager(); 5497 return pm.getApplicationHiddenSettingAsUser(packageName, callingUserId); 5498 } catch (RemoteException re) { 5499 // shouldn't happen 5500 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 5501 } finally { 5502 restoreCallingIdentity(id); 5503 } 5504 return false; 5505 } 5506 } 5507 5508 @Override 5509 public void enableSystemApp(ComponentName who, String packageName) { 5510 Preconditions.checkNotNull(who, "ComponentName is null"); 5511 synchronized (this) { 5512 // This API can only be called by an active device admin, 5513 // so try to retrieve it to check that the caller is one. 5514 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5515 5516 int userId = UserHandle.getCallingUserId(); 5517 long id = Binder.clearCallingIdentity(); 5518 5519 try { 5520 if (DBG) { 5521 Slog.v(LOG_TAG, "installing " + packageName + " for " 5522 + userId); 5523 } 5524 5525 UserManager um = UserManager.get(mContext); 5526 UserInfo primaryUser = um.getProfileParent(userId); 5527 5528 // Call did not come from a managed profile 5529 if (primaryUser == null) { 5530 primaryUser = um.getUserInfo(userId); 5531 } 5532 5533 IPackageManager pm = AppGlobals.getPackageManager(); 5534 if (!isSystemApp(pm, packageName, primaryUser.id)) { 5535 throw new IllegalArgumentException("Only system apps can be enabled this way."); 5536 } 5537 5538 // Install the app. 5539 pm.installExistingPackageAsUser(packageName, userId); 5540 5541 } catch (RemoteException re) { 5542 // shouldn't happen 5543 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 5544 } finally { 5545 restoreCallingIdentity(id); 5546 } 5547 } 5548 } 5549 5550 @Override 5551 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 5552 Preconditions.checkNotNull(who, "ComponentName is null"); 5553 synchronized (this) { 5554 // This API can only be called by an active device admin, 5555 // so try to retrieve it to check that the caller is one. 5556 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5557 5558 int userId = UserHandle.getCallingUserId(); 5559 long id = Binder.clearCallingIdentity(); 5560 5561 try { 5562 UserManager um = UserManager.get(mContext); 5563 UserInfo primaryUser = um.getProfileParent(userId); 5564 5565 // Call did not come from a managed profile. 5566 if (primaryUser == null) { 5567 primaryUser = um.getUserInfo(userId); 5568 } 5569 5570 IPackageManager pm = AppGlobals.getPackageManager(); 5571 List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent, 5572 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 5573 0, // no flags 5574 primaryUser.id); 5575 5576 if (DBG) Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 5577 int numberOfAppsInstalled = 0; 5578 if (activitiesToEnable != null) { 5579 for (ResolveInfo info : activitiesToEnable) { 5580 if (info.activityInfo != null) { 5581 String packageName = info.activityInfo.packageName; 5582 if (isSystemApp(pm, packageName, primaryUser.id)) { 5583 numberOfAppsInstalled++; 5584 pm.installExistingPackageAsUser(packageName, userId); 5585 } else { 5586 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 5587 + " system app"); 5588 } 5589 } 5590 } 5591 } 5592 return numberOfAppsInstalled; 5593 } catch (RemoteException e) { 5594 // shouldn't happen 5595 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 5596 return 0; 5597 } finally { 5598 restoreCallingIdentity(id); 5599 } 5600 } 5601 } 5602 5603 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 5604 throws RemoteException { 5605 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 5606 userId); 5607 if (appInfo == null) { 5608 throw new IllegalArgumentException("The application " + packageName + 5609 " is not present on this device"); 5610 } 5611 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 5612 } 5613 5614 @Override 5615 public void setAccountManagementDisabled(ComponentName who, String accountType, 5616 boolean disabled) { 5617 if (!mHasFeature) { 5618 return; 5619 } 5620 Preconditions.checkNotNull(who, "ComponentName is null"); 5621 synchronized (this) { 5622 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5623 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5624 if (disabled) { 5625 ap.accountTypesWithManagementDisabled.add(accountType); 5626 } else { 5627 ap.accountTypesWithManagementDisabled.remove(accountType); 5628 } 5629 saveSettingsLocked(UserHandle.getCallingUserId()); 5630 } 5631 } 5632 5633 @Override 5634 public String[] getAccountTypesWithManagementDisabled() { 5635 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 5636 } 5637 5638 @Override 5639 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 5640 enforceCrossUserPermission(userId); 5641 if (!mHasFeature) { 5642 return null; 5643 } 5644 synchronized (this) { 5645 DevicePolicyData policy = getUserData(userId); 5646 final int N = policy.mAdminList.size(); 5647 HashSet<String> resultSet = new HashSet<String>(); 5648 for (int i = 0; i < N; i++) { 5649 ActiveAdmin admin = policy.mAdminList.get(i); 5650 resultSet.addAll(admin.accountTypesWithManagementDisabled); 5651 } 5652 return resultSet.toArray(new String[resultSet.size()]); 5653 } 5654 } 5655 5656 @Override 5657 public void setUninstallBlocked(ComponentName who, String packageName, 5658 boolean uninstallBlocked) { 5659 Preconditions.checkNotNull(who, "ComponentName is null"); 5660 final int userId = UserHandle.getCallingUserId(); 5661 synchronized (this) { 5662 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5663 5664 long id = Binder.clearCallingIdentity(); 5665 try { 5666 IPackageManager pm = AppGlobals.getPackageManager(); 5667 pm.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 5668 } catch (RemoteException re) { 5669 // Shouldn't happen. 5670 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 5671 } finally { 5672 restoreCallingIdentity(id); 5673 } 5674 } 5675 } 5676 5677 @Override 5678 public boolean isUninstallBlocked(ComponentName who, String packageName) { 5679 // This function should return true if and only if the package is blocked by 5680 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 5681 // when the package is a system app, or when it is an active device admin. 5682 final int userId = UserHandle.getCallingUserId(); 5683 5684 synchronized (this) { 5685 if (who != null) { 5686 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5687 } 5688 5689 long id = Binder.clearCallingIdentity(); 5690 try { 5691 IPackageManager pm = AppGlobals.getPackageManager(); 5692 return pm.getBlockUninstallForUser(packageName, userId); 5693 } catch (RemoteException re) { 5694 // Shouldn't happen. 5695 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 5696 } finally { 5697 restoreCallingIdentity(id); 5698 } 5699 } 5700 return false; 5701 } 5702 5703 @Override 5704 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 5705 if (!mHasFeature) { 5706 return; 5707 } 5708 Preconditions.checkNotNull(who, "ComponentName is null"); 5709 synchronized (this) { 5710 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5711 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5712 if (admin.disableCallerId != disabled) { 5713 admin.disableCallerId = disabled; 5714 saveSettingsLocked(UserHandle.getCallingUserId()); 5715 } 5716 } 5717 } 5718 5719 @Override 5720 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 5721 if (!mHasFeature) { 5722 return false; 5723 } 5724 Preconditions.checkNotNull(who, "ComponentName is null"); 5725 synchronized (this) { 5726 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5727 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5728 return admin.disableCallerId; 5729 } 5730 } 5731 5732 @Override 5733 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 5734 // TODO: Should there be a check to make sure this relationship is within a profile group? 5735 //enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5736 synchronized (this) { 5737 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5738 return (admin != null) ? admin.disableCallerId : false; 5739 } 5740 } 5741 5742 @Override 5743 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 5744 Intent originalIntent) { 5745 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent( 5746 actualLookupKey, actualContactId, originalIntent); 5747 final int callingUserId = UserHandle.getCallingUserId(); 5748 5749 final long ident = Binder.clearCallingIdentity(); 5750 try { 5751 synchronized (this) { 5752 final int managedUserId = getManagedUserId(callingUserId); 5753 if (managedUserId < 0) { 5754 return; 5755 } 5756 if (getCrossProfileCallerIdDisabledForUser(managedUserId)) { 5757 if (VERBOSE_LOG) { 5758 Log.v(LOG_TAG, 5759 "Cross-profile contacts access disabled for user " + managedUserId); 5760 } 5761 return; 5762 } 5763 ContactsInternal.startQuickContactWithErrorToastForUser( 5764 mContext, intent, new UserHandle(managedUserId)); 5765 } 5766 } finally { 5767 Binder.restoreCallingIdentity(ident); 5768 } 5769 } 5770 5771 /** 5772 * @return the user ID of the managed user that is linked to the current user, if any. 5773 * Otherwise -1. 5774 */ 5775 public int getManagedUserId(int callingUserId) { 5776 if (VERBOSE_LOG) { 5777 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 5778 } 5779 5780 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 5781 if (ui.id == callingUserId || !ui.isManagedProfile()) { 5782 continue; // Caller user self, or not a managed profile. Skip. 5783 } 5784 if (VERBOSE_LOG) { 5785 Log.v(LOG_TAG, "Managed user=" + ui.id); 5786 } 5787 return ui.id; 5788 } 5789 if (VERBOSE_LOG) { 5790 Log.v(LOG_TAG, "Managed user not found."); 5791 } 5792 return -1; 5793 } 5794 5795 @Override 5796 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 5797 if (!mHasFeature) { 5798 return; 5799 } 5800 Preconditions.checkNotNull(who, "ComponentName is null"); 5801 synchronized (this) { 5802 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5803 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5804 if (admin.disableBluetoothContactSharing != disabled) { 5805 admin.disableBluetoothContactSharing = disabled; 5806 saveSettingsLocked(UserHandle.getCallingUserId()); 5807 } 5808 } 5809 } 5810 5811 @Override 5812 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 5813 if (!mHasFeature) { 5814 return false; 5815 } 5816 Preconditions.checkNotNull(who, "ComponentName is null"); 5817 synchronized (this) { 5818 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5819 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5820 return admin.disableBluetoothContactSharing; 5821 } 5822 } 5823 5824 @Override 5825 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 5826 // TODO: Should there be a check to make sure this relationship is 5827 // within a profile group? 5828 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5829 synchronized (this) { 5830 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5831 return (admin != null) ? admin.disableBluetoothContactSharing : false; 5832 } 5833 } 5834 5835 /** 5836 * Sets which packages may enter lock task mode. 5837 * 5838 * This function can only be called by the device owner. 5839 * @param packages The list of packages allowed to enter lock task mode. 5840 */ 5841 public void setLockTaskPackages(ComponentName who, String[] packages) 5842 throws SecurityException { 5843 Preconditions.checkNotNull(who, "ComponentName is null"); 5844 synchronized (this) { 5845 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5846 5847 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5848 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 5849 } 5850 } 5851 5852 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 5853 DevicePolicyData policy = getUserData(userHandle); 5854 policy.mLockTaskPackages = packages; 5855 5856 // Store the settings persistently. 5857 saveSettingsLocked(userHandle); 5858 updateLockTaskPackagesLocked(packages, userHandle); 5859 } 5860 5861 /** 5862 * This function returns the list of components allowed to start the task lock mode. 5863 */ 5864 public String[] getLockTaskPackages(ComponentName who) { 5865 Preconditions.checkNotNull(who, "ComponentName is null"); 5866 synchronized (this) { 5867 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5868 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5869 final List<String> packages = getLockTaskPackagesLocked(userHandle); 5870 return packages.toArray(new String[packages.size()]); 5871 } 5872 } 5873 5874 private List<String> getLockTaskPackagesLocked(int userHandle) { 5875 final DevicePolicyData policy = getUserData(userHandle); 5876 return policy.mLockTaskPackages; 5877 } 5878 5879 /** 5880 * This function lets the caller know whether the given package is allowed to start the 5881 * lock task mode. 5882 * @param pkg The package to check 5883 */ 5884 public boolean isLockTaskPermitted(String pkg) { 5885 // Get current user's devicepolicy 5886 int uid = Binder.getCallingUid(); 5887 int userHandle = UserHandle.getUserId(uid); 5888 DevicePolicyData policy = getUserData(userHandle); 5889 synchronized (this) { 5890 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 5891 String lockTaskPackage = policy.mLockTaskPackages.get(i); 5892 5893 // If the given package equals one of the packages stored our list, 5894 // we allow this package to start lock task mode. 5895 if (lockTaskPackage.equals(pkg)) { 5896 return true; 5897 } 5898 } 5899 } 5900 return false; 5901 } 5902 5903 @Override 5904 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 5905 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 5906 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 5907 } 5908 synchronized (this) { 5909 final DevicePolicyData policy = getUserData(userHandle); 5910 Bundle adminExtras = new Bundle(); 5911 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 5912 for (ActiveAdmin admin : policy.mAdminList) { 5913 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 5914 boolean ownsProfile = (getProfileOwner(userHandle) != null 5915 && getProfileOwner(userHandle).equals(admin.info.getPackageName())); 5916 if (ownsDevice || ownsProfile) { 5917 if (isEnabled) { 5918 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 5919 adminExtras, null); 5920 } else { 5921 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 5922 } 5923 } 5924 } 5925 } 5926 } 5927 5928 @Override 5929 public void setGlobalSetting(ComponentName who, String setting, String value) { 5930 final ContentResolver contentResolver = mContext.getContentResolver(); 5931 Preconditions.checkNotNull(who, "ComponentName is null"); 5932 5933 synchronized (this) { 5934 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5935 5936 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 5937 // BLUETOOTH_ON and WIFI_ON used to be supported but not any more. We do not want to 5938 // throw a SecurityException not to break apps. 5939 if (!Settings.Global.BLUETOOTH_ON.equals(setting) 5940 && !Settings.Global.WIFI_ON.equals(setting)) { 5941 throw new SecurityException(String.format( 5942 "Permission denial: device owners cannot update %1$s", setting)); 5943 } 5944 } 5945 5946 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 5947 // ignore if it contradicts an existing policy 5948 long timeMs = getMaximumTimeToLock(who, UserHandle.getCallingUserId()); 5949 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 5950 return; 5951 } 5952 } 5953 5954 long id = Binder.clearCallingIdentity(); 5955 try { 5956 Settings.Global.putString(contentResolver, setting, value); 5957 } finally { 5958 restoreCallingIdentity(id); 5959 } 5960 } 5961 } 5962 5963 @Override 5964 public void setSecureSetting(ComponentName who, String setting, String value) { 5965 Preconditions.checkNotNull(who, "ComponentName is null"); 5966 int callingUserId = UserHandle.getCallingUserId(); 5967 final ContentResolver contentResolver = mContext.getContentResolver(); 5968 5969 synchronized (this) { 5970 ActiveAdmin activeAdmin = 5971 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5972 5973 if (isDeviceOwner(activeAdmin.info.getPackageName())) { 5974 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 5975 throw new SecurityException(String.format( 5976 "Permission denial: Device owners cannot update %1$s", setting)); 5977 } 5978 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 5979 throw new SecurityException(String.format( 5980 "Permission denial: Profile owners cannot update %1$s", setting)); 5981 } 5982 5983 long id = Binder.clearCallingIdentity(); 5984 try { 5985 Settings.Secure.putStringForUser(contentResolver, setting, value, callingUserId); 5986 } finally { 5987 restoreCallingIdentity(id); 5988 } 5989 } 5990 } 5991 5992 @Override 5993 public void setMasterVolumeMuted(ComponentName who, boolean on) { 5994 Preconditions.checkNotNull(who, "ComponentName is null"); 5995 synchronized (this) { 5996 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5997 5998 IAudioService iAudioService = IAudioService.Stub.asInterface( 5999 ServiceManager.getService(Context.AUDIO_SERVICE)); 6000 try { 6001 iAudioService.setMasterMute(on, 0, who.getPackageName()); 6002 } catch (RemoteException re) { 6003 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 6004 } 6005 } 6006 } 6007 6008 @Override 6009 public boolean isMasterVolumeMuted(ComponentName who) { 6010 Preconditions.checkNotNull(who, "ComponentName is null"); 6011 synchronized (this) { 6012 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6013 6014 AudioManager audioManager = 6015 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 6016 return audioManager.isMasterMute(); 6017 } 6018 } 6019 6020 @Override 6021 public void setUserIcon(ComponentName who, Bitmap icon) { 6022 synchronized (this) { 6023 Preconditions.checkNotNull(who, "ComponentName is null"); 6024 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6025 6026 int userId = UserHandle.getCallingUserId(); 6027 long id = Binder.clearCallingIdentity(); 6028 try { 6029 mUserManager.setUserIcon(userId, icon); 6030 } finally { 6031 restoreCallingIdentity(id); 6032 } 6033 } 6034 } 6035 6036 @Override 6037 public void sendDeviceInitializerStatus(int statusCode, String description) { 6038 synchronized (this) { 6039 String packageName = getDeviceInitializer(); 6040 if (packageName == null) { 6041 throw new SecurityException("No device initializers"); 6042 } 6043 UserHandle callingUser = Binder.getCallingUserHandle(); 6044 int deviceInitializerUid = -1; 6045 try { 6046 deviceInitializerUid = mContext.getPackageManager().getPackageUid( 6047 packageName, callingUser.getIdentifier()); 6048 } catch (NameNotFoundException e) { 6049 throw new SecurityException(e); 6050 } 6051 if (Binder.getCallingUid() != deviceInitializerUid) { 6052 throw new SecurityException("Caller must be a device initializer"); 6053 } 6054 long id = Binder.clearCallingIdentity(); 6055 try { 6056 Intent intent = new Intent( 6057 DevicePolicyManager.ACTION_SEND_DEVICE_INITIALIZER_STATUS); 6058 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_INITIALIZER_STATUS_CODE, 6059 statusCode); 6060 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_INITIALIZER_STATUS_DESCRIPTION, 6061 description); 6062 mContext.sendBroadcastAsUser(intent, callingUser, 6063 android.Manifest.permission.RECEIVE_DEVICE_INITIALIZER_STATUS); 6064 } finally { 6065 restoreCallingIdentity(id); 6066 } 6067 } 6068 } 6069 6070 @Override 6071 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 6072 Preconditions.checkNotNull(who, "ComponentName is null"); 6073 synchronized (this) { 6074 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6075 } 6076 final int userId = UserHandle.getCallingUserId(); 6077 LockPatternUtils utils = new LockPatternUtils(mContext); 6078 6079 long ident = Binder.clearCallingIdentity(); 6080 try { 6081 // disallow disabling the keyguard if a password is currently set 6082 if (disabled && utils.isSecure(userId)) { 6083 return false; 6084 } 6085 utils.setLockScreenDisabled(disabled, userId); 6086 } finally { 6087 Binder.restoreCallingIdentity(ident); 6088 } 6089 return true; 6090 } 6091 6092 @Override 6093 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 6094 int userId = UserHandle.getCallingUserId(); 6095 synchronized (this) { 6096 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6097 DevicePolicyData policy = getUserData(userId); 6098 if (policy.mStatusBarDisabled != disabled) { 6099 if (!setStatusBarDisabledInternal(disabled, userId)) { 6100 return false; 6101 } 6102 policy.mStatusBarDisabled = disabled; 6103 saveSettingsLocked(userId); 6104 } 6105 } 6106 return true; 6107 } 6108 6109 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 6110 long ident = Binder.clearCallingIdentity(); 6111 try { 6112 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 6113 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 6114 if (statusBarService != null) { 6115 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 6116 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 6117 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 6118 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 6119 return true; 6120 } 6121 } catch (RemoteException e) { 6122 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 6123 } finally { 6124 Binder.restoreCallingIdentity(ident); 6125 } 6126 return false; 6127 } 6128 6129 /** 6130 * We need to update the internal state of whether a user has completed setup once. After 6131 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 6132 * as we don't trust any apps that might try to reset it. 6133 * <p> 6134 * Unfortunately, we don't know which user's setup state was changed, so we write all of 6135 * them. 6136 */ 6137 void updateUserSetupComplete() { 6138 List<UserInfo> users = mUserManager.getUsers(true); 6139 ContentResolver resolver = mContext.getContentResolver(); 6140 final int N = users.size(); 6141 for (int i = 0; i < N; i++) { 6142 int userHandle = users.get(i).id; 6143 if (Settings.Secure.getIntForUser(resolver, Settings.Secure.USER_SETUP_COMPLETE, 0, 6144 userHandle) != 0) { 6145 DevicePolicyData policy = getUserData(userHandle); 6146 if (!policy.mUserSetupComplete) { 6147 policy.mUserSetupComplete = true; 6148 synchronized (this) { 6149 // Clear the preferred setup activity. 6150 policy.mPreferredSetupActivity = null; 6151 updatePreferredSetupActivityLocked(userHandle); 6152 // The DeviceInitializer was whitelisted but now should be removed. 6153 removeDeviceInitializerFromLockTaskPackages(userHandle); 6154 saveSettingsLocked(userHandle); 6155 } 6156 } 6157 } 6158 } 6159 } 6160 6161 private void addDeviceInitializerToLockTaskPackagesLocked(int userHandle) { 6162 if (hasUserSetupCompleted(userHandle)) { 6163 return; 6164 } 6165 6166 final String deviceInitializerPackage = getDeviceInitializer(); 6167 if (deviceInitializerPackage == null) { 6168 return; 6169 } 6170 6171 final List<String> packages = getLockTaskPackagesLocked(userHandle); 6172 if (!packages.contains(deviceInitializerPackage)) { 6173 packages.add(deviceInitializerPackage); 6174 setLockTaskPackagesLocked(userHandle, packages); 6175 } 6176 } 6177 6178 private void removeDeviceInitializerFromLockTaskPackages(int userHandle) { 6179 final String deviceInitializerPackage = getDeviceInitializer(); 6180 if (deviceInitializerPackage == null) { 6181 return; 6182 } 6183 6184 List<String> packages = getLockTaskPackagesLocked(userHandle); 6185 if (packages.remove(deviceInitializerPackage)) { 6186 setLockTaskPackagesLocked(userHandle, packages); 6187 } 6188 } 6189 6190 private class SetupContentObserver extends ContentObserver { 6191 6192 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 6193 Settings.Secure.USER_SETUP_COMPLETE); 6194 6195 public SetupContentObserver(Handler handler) { 6196 super(handler); 6197 } 6198 6199 void register(ContentResolver resolver) { 6200 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 6201 } 6202 6203 @Override 6204 public void onChange(boolean selfChange, Uri uri) { 6205 if (mUserSetupComplete.equals(uri)) { 6206 updateUserSetupComplete(); 6207 } 6208 } 6209 } 6210 6211 private final class LocalService extends DevicePolicyManagerInternal { 6212 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 6213 6214 @Override 6215 public List<String> getCrossProfileWidgetProviders(int profileId) { 6216 synchronized (DevicePolicyManagerService.this) { 6217 if (mDeviceOwner == null) { 6218 return Collections.emptyList(); 6219 } 6220 ComponentName ownerComponent = mDeviceOwner.getProfileOwnerComponent(profileId); 6221 if (ownerComponent == null) { 6222 return Collections.emptyList(); 6223 } 6224 6225 DevicePolicyData policy = getUserDataUnchecked(profileId); 6226 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 6227 6228 if (admin == null || admin.crossProfileWidgetProviders == null 6229 || admin.crossProfileWidgetProviders.isEmpty()) { 6230 return Collections.emptyList(); 6231 } 6232 6233 return admin.crossProfileWidgetProviders; 6234 } 6235 } 6236 6237 @Override 6238 public void addOnCrossProfileWidgetProvidersChangeListener( 6239 OnCrossProfileWidgetProvidersChangeListener listener) { 6240 synchronized (DevicePolicyManagerService.this) { 6241 if (mWidgetProviderListeners == null) { 6242 mWidgetProviderListeners = new ArrayList<>(); 6243 } 6244 if (!mWidgetProviderListeners.contains(listener)) { 6245 mWidgetProviderListeners.add(listener); 6246 } 6247 } 6248 } 6249 6250 @Override 6251 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 6252 final int userId = UserHandle.getUserId(uid); 6253 synchronized(DevicePolicyManagerService.this) { 6254 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 6255 } 6256 } 6257 6258 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 6259 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 6260 synchronized (DevicePolicyManagerService.this) { 6261 listeners = new ArrayList<>(mWidgetProviderListeners); 6262 } 6263 final int listenerCount = listeners.size(); 6264 for (int i = 0; i < listenerCount; i++) { 6265 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 6266 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 6267 } 6268 } 6269 } 6270 6271 /** 6272 * Returns true if specified admin is allowed to limit passwords and has a 6273 * {@code passwordQuality} of at least {@code minPasswordQuality} 6274 */ 6275 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 6276 if (admin.passwordQuality < minPasswordQuality) { 6277 return false; 6278 } 6279 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 6280 } 6281 6282 @Override 6283 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 6284 if (policy != null && !policy.isValid()) { 6285 throw new IllegalArgumentException("Invalid system update policy."); 6286 } 6287 synchronized (this) { 6288 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6289 if (policy == null) { 6290 mDeviceOwner.clearSystemUpdatePolicy(); 6291 } else { 6292 mDeviceOwner.setSystemUpdatePolicy(policy); 6293 } 6294 mDeviceOwner.writeOwnerFile(); 6295 } 6296 mContext.sendBroadcastAsUser( 6297 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 6298 UserHandle.OWNER); 6299 } 6300 6301 @Override 6302 public SystemUpdatePolicy getSystemUpdatePolicy() { 6303 synchronized (this) { 6304 SystemUpdatePolicy policy = mDeviceOwner.getSystemUpdatePolicy(); 6305 if (policy != null && !policy.isValid()) { 6306 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 6307 return null; 6308 } 6309 return policy; 6310 } 6311 } 6312 6313 /** 6314 * Checks if the caller of the method is the device owner app or device initialization app. 6315 * 6316 * @param callerUid UID of the caller. 6317 * @return true if the caller is the device owner app or device initializer. 6318 */ 6319 private boolean isCallerDeviceOwnerOrInitializer(int callerUid) { 6320 String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 6321 for (String pkg : pkgs) { 6322 if (isDeviceOwner(pkg) || isDeviceInitializer(pkg)) { 6323 return true; 6324 } 6325 } 6326 return false; 6327 } 6328 6329 @Override 6330 public void notifyPendingSystemUpdate(long updateReceivedTime) { 6331 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 6332 "Only the system update service can broadcast update information"); 6333 6334 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 6335 Slog.w(LOG_TAG, "Only the system update service in the primary user" + 6336 "can broadcast update information."); 6337 return; 6338 } 6339 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 6340 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 6341 updateReceivedTime); 6342 6343 synchronized (this) { 6344 String deviceOwnerPackage = getDeviceOwner(); 6345 if (deviceOwnerPackage == null) { 6346 return; 6347 } 6348 6349 try { 6350 ActivityInfo[] receivers = mContext.getPackageManager().getPackageInfo( 6351 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 6352 if (receivers != null) { 6353 for (int i = 0; i < receivers.length; i++) { 6354 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 6355 intent.setComponent(new ComponentName(deviceOwnerPackage, 6356 receivers[i].name)); 6357 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 6358 } 6359 } 6360 } 6361 } catch (NameNotFoundException e) { 6362 Log.e(LOG_TAG, "Cannot find device owner package", e); 6363 } 6364 } 6365 } 6366 6367 @Override 6368 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 6369 int userId = UserHandle.getCallingUserId(); 6370 synchronized (this) { 6371 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6372 DevicePolicyData userPolicy = getUserData(userId); 6373 if (userPolicy.mPermissionPolicy != policy) { 6374 userPolicy.mPermissionPolicy = policy; 6375 saveSettingsLocked(userId); 6376 } 6377 } 6378 } 6379 6380 @Override 6381 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 6382 int userId = UserHandle.getCallingUserId(); 6383 synchronized (this) { 6384 DevicePolicyData userPolicy = getUserData(userId); 6385 return userPolicy.mPermissionPolicy; 6386 } 6387 } 6388 6389 @Override 6390 public boolean setPermissionGranted(ComponentName admin, String packageName, 6391 String permission, boolean granted) throws RemoteException { 6392 UserHandle user = Binder.getCallingUserHandle(); 6393 synchronized (this) { 6394 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6395 long ident = Binder.clearCallingIdentity(); 6396 try { 6397 PackageManager packageManager = mContext.getPackageManager(); 6398 if (granted) { 6399 packageManager.grantRuntimePermission(packageName, permission, user); 6400 packageManager.updatePermissionFlags(permission, packageName, 6401 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6402 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 6403 } else { 6404 packageManager.revokeRuntimePermission(packageName, 6405 permission, user); 6406 packageManager.updatePermissionFlags(permission, packageName, 6407 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6408 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 6409 } 6410 return true; 6411 } catch (SecurityException se) { 6412 return false; 6413 } finally { 6414 Binder.restoreCallingIdentity(ident); 6415 } 6416 } 6417 } 6418} 6419