DevicePolicyManagerService.java revision dc105cc91c63c27479d73a21702cd4ba0304acc4
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.backup.IBackupManager; 43import android.content.BroadcastReceiver; 44import android.content.ComponentName; 45import android.content.ContentResolver; 46import android.content.Context; 47import android.content.Intent; 48import android.content.IntentFilter; 49import android.content.pm.ActivityInfo; 50import android.content.pm.ApplicationInfo; 51import android.content.pm.IPackageManager; 52import android.content.pm.PackageManager; 53import android.content.pm.PackageManager.NameNotFoundException; 54import android.content.pm.ResolveInfo; 55import android.content.pm.ServiceInfo; 56import android.content.pm.UserInfo; 57import android.database.ContentObserver; 58import android.graphics.Bitmap; 59import android.hardware.usb.UsbManager; 60import android.media.AudioManager; 61import android.media.IAudioService; 62import android.net.ConnectivityManager; 63import android.net.ProxyInfo; 64import android.net.Uri; 65import android.os.AsyncTask; 66import android.os.Binder; 67import android.os.Bundle; 68import android.os.Environment; 69import android.os.FileUtils; 70import android.os.Handler; 71import android.os.IBinder; 72import android.os.PersistableBundle; 73import android.os.PowerManager; 74import android.os.PowerManagerInternal; 75import android.os.Process; 76import android.os.RecoverySystem; 77import android.os.RemoteCallback; 78import android.os.RemoteException; 79import android.os.ServiceManager; 80import android.os.SystemClock; 81import android.os.SystemProperties; 82import android.os.UserHandle; 83import android.os.UserManager; 84import android.provider.ContactsContract.QuickContact; 85import android.provider.ContactsInternal; 86import android.provider.Settings; 87import android.security.Credentials; 88import android.security.IKeyChainAliasCallback; 89import android.security.IKeyChainService; 90import android.security.KeyChain; 91import android.security.KeyChain.KeyChainConnection; 92import android.text.TextUtils; 93import android.service.persistentdata.PersistentDataBlockManager; 94import android.util.Log; 95import android.util.PrintWriterPrinter; 96import android.util.Printer; 97import android.util.Slog; 98import android.util.SparseArray; 99import android.util.Xml; 100import android.view.accessibility.AccessibilityManager; 101import android.view.accessibility.IAccessibilityManager; 102import android.view.inputmethod.InputMethodInfo; 103import android.view.inputmethod.InputMethodManager; 104import android.view.IWindowManager; 105 106import com.android.internal.R; 107import com.android.internal.os.storage.ExternalStorageFormatter; 108import com.android.internal.statusbar.IStatusBarService; 109import com.android.internal.util.FastXmlSerializer; 110import com.android.internal.util.JournaledFile; 111import com.android.internal.util.Preconditions; 112import com.android.internal.util.XmlUtils; 113import com.android.internal.widget.LockPatternUtils; 114import com.android.server.LocalServices; 115import com.android.server.SystemService; 116import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 117 118import org.xmlpull.v1.XmlPullParser; 119 120import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 121import static org.xmlpull.v1.XmlPullParser.END_TAG; 122import static org.xmlpull.v1.XmlPullParser.TEXT; 123 124import org.xmlpull.v1.XmlPullParserException; 125import org.xmlpull.v1.XmlSerializer; 126 127import java.io.ByteArrayInputStream; 128import java.io.File; 129import java.io.FileDescriptor; 130import java.io.FileInputStream; 131import java.io.FileNotFoundException; 132import java.io.FileOutputStream; 133import java.io.IOException; 134import java.io.PrintWriter; 135import java.security.cert.CertificateException; 136import java.security.cert.CertificateFactory; 137import java.security.cert.X509Certificate; 138import java.text.DateFormat; 139import java.util.ArrayList; 140import java.util.Collections; 141import java.util.Date; 142import java.util.HashMap; 143import java.util.HashSet; 144import java.util.List; 145import java.util.Map.Entry; 146import java.util.Set; 147 148/** 149 * Implementation of the device policy APIs. 150 */ 151public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 152 153 private static final String LOG_TAG = "DevicePolicyManagerService"; 154 155 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 156 157 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 158 159 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 160 161 private static final String TAG_STATUS_BAR = "statusbar"; 162 163 private static final String ATTR_ENABLED = "enabled"; 164 165 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 166 "do-not-ask-credentials-on-boot"; 167 168 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 169 170 private static final long MS_PER_DAY = 86400 * 1000; 171 172 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 173 174 protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 175 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 176 177 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 178 179 private static final boolean DBG = false; 180 181 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 182 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 183 184 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 185 186 private static final int STATUS_BAR_DISABLE_MASK = 187 StatusBarManager.DISABLE_EXPAND | 188 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 189 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 190 StatusBarManager.DISABLE_SEARCH; 191 192 private static final Set<String> DEVICE_OWNER_USER_RESTRICTIONS; 193 static { 194 DEVICE_OWNER_USER_RESTRICTIONS = new HashSet(); 195 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_USB_FILE_TRANSFER); 196 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_TETHERING); 197 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_FACTORY_RESET); 198 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADD_USER); 199 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_CELL_BROADCASTS); 200 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS); 201 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_MOUNT_PHYSICAL_MEDIA); 202 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_UNMUTE_MICROPHONE); 203 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADJUST_VOLUME); 204 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SMS); 205 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SAFE_BOOT); 206 } 207 208 // The following user restrictions cannot be changed by any active admin, including device 209 // owner and profile owner. 210 private static final Set<String> IMMUTABLE_USER_RESTRICTIONS; 211 static { 212 IMMUTABLE_USER_RESTRICTIONS = new HashSet(); 213 IMMUTABLE_USER_RESTRICTIONS.add(UserManager.DISALLOW_WALLPAPER); 214 } 215 216 private static final Set<String> SECURE_SETTINGS_WHITELIST; 217 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 218 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 219 static { 220 SECURE_SETTINGS_WHITELIST = new HashSet(); 221 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 222 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 223 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 224 225 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new HashSet(); 226 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 227 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 228 229 GLOBAL_SETTINGS_WHITELIST = new HashSet(); 230 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 231 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 232 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 233 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 234 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 235 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.MODE_RINGER); 236 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.NETWORK_PREFERENCE); 237 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 238 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 239 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 240 } 241 242 final Context mContext; 243 final UserManager mUserManager; 244 final PowerManager.WakeLock mWakeLock; 245 246 final LocalService mLocalService; 247 248 final PowerManager mPowerManager; 249 final PowerManagerInternal mPowerManagerInternal; 250 251 IWindowManager mIWindowManager; 252 NotificationManager mNotificationManager; 253 254 // Stores and loads state on device and profile owners. 255 private DeviceOwner mDeviceOwner; 256 257 private final Binder mToken = new Binder(); 258 259 /** 260 * Whether or not device admin feature is supported. If it isn't return defaults for all 261 * public methods. 262 */ 263 private boolean mHasFeature; 264 265 public static final class Lifecycle extends SystemService { 266 private DevicePolicyManagerService mService; 267 268 public Lifecycle(Context context) { 269 super(context); 270 mService = new DevicePolicyManagerService(context); 271 } 272 273 @Override 274 public void onStart() { 275 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 276 } 277 278 @Override 279 public void onBootPhase(int phase) { 280 if (phase == PHASE_LOCK_SETTINGS_READY) { 281 mService.systemReady(); 282 } 283 } 284 } 285 286 public static class DevicePolicyData { 287 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 288 int mActivePasswordLength = 0; 289 int mActivePasswordUpperCase = 0; 290 int mActivePasswordLowerCase = 0; 291 int mActivePasswordLetters = 0; 292 int mActivePasswordNumeric = 0; 293 int mActivePasswordSymbols = 0; 294 int mActivePasswordNonLetter = 0; 295 int mFailedPasswordAttempts = 0; 296 297 int mUserHandle; 298 int mPasswordOwner = -1; 299 long mLastMaximumTimeToLock = -1; 300 boolean mUserSetupComplete = false; 301 302 final HashMap<ComponentName, ActiveAdmin> mAdminMap = new HashMap<>(); 303 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 304 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 305 306 // This is the list of component allowed to start lock task mode. 307 final List<String> mLockTaskPackages = new ArrayList<>(); 308 309 boolean mStatusBarEnabledState = true; 310 311 ComponentName mRestrictionsProvider; 312 313 String mDelegatedCertInstallerPackage; 314 315 boolean doNotAskCredentialsOnBoot = false; 316 317 public DevicePolicyData(int userHandle) { 318 mUserHandle = userHandle; 319 } 320 } 321 322 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 323 324 Handler mHandler = new Handler(); 325 326 BroadcastReceiver mReceiver = new BroadcastReceiver() { 327 @Override 328 public void onReceive(Context context, Intent intent) { 329 final String action = intent.getAction(); 330 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 331 getSendingUserId()); 332 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 333 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 334 if (DBG) Slog.v(LOG_TAG, "Sending password expiration notifications for action " 335 + action + " for user " + userHandle); 336 mHandler.post(new Runnable() { 337 public void run() { 338 handlePasswordExpirationNotification(userHandle); 339 } 340 }); 341 } 342 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 343 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 344 new MonitoringCertNotificationTask().execute(intent); 345 } 346 if (Intent.ACTION_USER_REMOVED.equals(action)) { 347 removeUserData(userHandle); 348 } else if (Intent.ACTION_USER_STARTED.equals(action) 349 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 350 351 if (Intent.ACTION_USER_STARTED.equals(action)) { 352 // Reset the policy data 353 synchronized (DevicePolicyManagerService.this) { 354 mUserData.remove(userHandle); 355 } 356 } 357 handlePackagesChanged(null /* check all admins */, userHandle); 358 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 359 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 360 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 361 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 362 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 363 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 364 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 365 } 366 } 367 }; 368 369 static class ActiveAdmin { 370 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 371 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 372 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 373 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 374 = "disable-bt-contacts-sharing"; 375 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 376 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 377 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 378 private static final String TAG_ACCOUNT_TYPE = "account-type"; 379 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 380 = "permitted-accessiblity-services"; 381 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 382 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 383 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 384 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 385 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 386 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 387 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 388 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 389 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 390 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 391 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 392 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 393 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 394 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 395 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 396 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 397 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 398 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 399 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 400 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 401 private static final String ATTR_VALUE = "value"; 402 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 403 private static final String TAG_POLICIES = "policies"; 404 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 405 "cross-profile-widget-providers"; 406 private static final String TAG_PROVIDER = "provider"; 407 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 408 409 final DeviceAdminInfo info; 410 411 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 412 413 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 414 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 415 416 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 417 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 418 419 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 420 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 421 422 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 423 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 424 425 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 426 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 427 428 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 429 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 430 431 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 432 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 433 434 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 435 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 436 437 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 438 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 439 440 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 441 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 442 443 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 444 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 445 446 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 447 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 448 449 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 450 451 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 452 453 boolean encryptionRequested = false; 454 boolean disableCamera = false; 455 boolean disableCallerId = false; 456 boolean disableBluetoothContactSharing = true; 457 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 458 boolean requireAutoTime = false; // Can only be set by a device owner. 459 460 static class TrustAgentInfo { 461 public PersistableBundle options; 462 TrustAgentInfo(PersistableBundle bundle) { 463 options = bundle; 464 } 465 } 466 467 Set<String> accountTypesWithManagementDisabled = new HashSet<String>(); 468 469 // The list of permitted accessibility services package namesas set by a profile 470 // or device owner. Null means all accessibility services are allowed, empty means 471 // none except system services are allowed. 472 List<String> permittedAccessiblityServices; 473 474 // The list of permitted input methods package names as set by a profile or device owner. 475 // Null means all input methods are allowed, empty means none except system imes are 476 // allowed. 477 List<String> permittedInputMethods; 478 479 // TODO: review implementation decisions with frameworks team 480 boolean specifiesGlobalProxy = false; 481 String globalProxySpec = null; 482 String globalProxyExclusionList = null; 483 484 HashMap<String, TrustAgentInfo> trustAgentInfos = new HashMap<String, TrustAgentInfo>(); 485 486 List<String> crossProfileWidgetProviders; 487 488 ActiveAdmin(DeviceAdminInfo _info) { 489 info = _info; 490 } 491 492 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 493 494 public UserHandle getUserHandle() { 495 return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 496 } 497 498 void writeToXml(XmlSerializer out) 499 throws IllegalArgumentException, IllegalStateException, IOException { 500 out.startTag(null, TAG_POLICIES); 501 info.writePoliciesToXml(out); 502 out.endTag(null, TAG_POLICIES); 503 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 504 out.startTag(null, TAG_PASSWORD_QUALITY); 505 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 506 out.endTag(null, TAG_PASSWORD_QUALITY); 507 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 508 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 509 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 510 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 511 } 512 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 513 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 514 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 515 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 516 } 517 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 518 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 519 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 520 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 521 } 522 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 523 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 524 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 525 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 526 } 527 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 528 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 529 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 530 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 531 } 532 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 533 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 534 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 535 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 536 } 537 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 538 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 539 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 540 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 541 } 542 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 543 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 544 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 545 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 546 } 547 } 548 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 549 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 550 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 551 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 552 } 553 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 554 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 555 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 556 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 557 } 558 if (specifiesGlobalProxy) { 559 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 560 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 561 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 562 if (globalProxySpec != null) { 563 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 564 out.attribute(null, ATTR_VALUE, globalProxySpec); 565 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 566 } 567 if (globalProxyExclusionList != null) { 568 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 569 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 570 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 571 } 572 } 573 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 574 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 575 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 576 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 577 } 578 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 579 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 580 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 581 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 582 } 583 if (encryptionRequested) { 584 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 585 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 586 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 587 } 588 if (disableCamera) { 589 out.startTag(null, TAG_DISABLE_CAMERA); 590 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 591 out.endTag(null, TAG_DISABLE_CAMERA); 592 } 593 if (disableCallerId) { 594 out.startTag(null, TAG_DISABLE_CALLER_ID); 595 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 596 out.endTag(null, TAG_DISABLE_CALLER_ID); 597 } 598 if (disableBluetoothContactSharing) { 599 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 600 out.attribute(null, ATTR_VALUE, 601 Boolean.toString(disableBluetoothContactSharing)); 602 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 603 } 604 if (disableScreenCapture) { 605 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 606 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 607 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 608 } 609 if (requireAutoTime) { 610 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 611 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 612 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 613 } 614 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 615 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 616 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 617 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 618 } 619 if (!accountTypesWithManagementDisabled.isEmpty()) { 620 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 621 for (String ac : accountTypesWithManagementDisabled) { 622 out.startTag(null, TAG_ACCOUNT_TYPE); 623 out.attribute(null, ATTR_VALUE, ac); 624 out.endTag(null, TAG_ACCOUNT_TYPE); 625 } 626 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 627 } 628 if (!trustAgentInfos.isEmpty()) { 629 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 630 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 631 for (Entry<String, TrustAgentInfo> entry : set) { 632 TrustAgentInfo trustAgentInfo = entry.getValue(); 633 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 634 out.attribute(null, ATTR_VALUE, entry.getKey()); 635 if (trustAgentInfo.options != null) { 636 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 637 try { 638 trustAgentInfo.options.saveToXml(out); 639 } catch (XmlPullParserException e) { 640 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 641 } 642 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 643 } 644 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 645 } 646 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 647 } 648 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 649 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 650 final int providerCount = crossProfileWidgetProviders.size(); 651 for (int i = 0; i < providerCount; i++) { 652 String provider = crossProfileWidgetProviders.get(i); 653 out.startTag(null, TAG_PROVIDER); 654 out.attribute(null, ATTR_VALUE, provider); 655 out.endTag(null, TAG_PROVIDER); 656 } 657 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 658 } 659 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 660 permittedAccessiblityServices); 661 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 662 } 663 664 void writePackageListToXml(XmlSerializer out, String outerTag, 665 List<String> packageList) 666 throws IllegalArgumentException, IllegalStateException, IOException { 667 if (packageList == null) { 668 return; 669 } 670 671 out.startTag(null, outerTag); 672 for (String packageName : packageList) { 673 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 674 out.attribute(null, ATTR_VALUE, packageName); 675 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 676 } 677 out.endTag(null, outerTag); 678 } 679 680 void readFromXml(XmlPullParser parser) 681 throws XmlPullParserException, IOException { 682 int outerDepth = parser.getDepth(); 683 int type; 684 while ((type=parser.next()) != END_DOCUMENT 685 && (type != END_TAG || parser.getDepth() > outerDepth)) { 686 if (type == END_TAG || type == TEXT) { 687 continue; 688 } 689 String tag = parser.getName(); 690 if (TAG_POLICIES.equals(tag)) { 691 info.readPoliciesFromXml(parser); 692 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 693 passwordQuality = Integer.parseInt( 694 parser.getAttributeValue(null, ATTR_VALUE)); 695 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 696 minimumPasswordLength = Integer.parseInt( 697 parser.getAttributeValue(null, ATTR_VALUE)); 698 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 699 passwordHistoryLength = Integer.parseInt( 700 parser.getAttributeValue(null, ATTR_VALUE)); 701 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 702 minimumPasswordUpperCase = Integer.parseInt( 703 parser.getAttributeValue(null, ATTR_VALUE)); 704 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 705 minimumPasswordLowerCase = Integer.parseInt( 706 parser.getAttributeValue(null, ATTR_VALUE)); 707 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 708 minimumPasswordLetters = Integer.parseInt( 709 parser.getAttributeValue(null, ATTR_VALUE)); 710 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 711 minimumPasswordNumeric = Integer.parseInt( 712 parser.getAttributeValue(null, ATTR_VALUE)); 713 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 714 minimumPasswordSymbols = Integer.parseInt( 715 parser.getAttributeValue(null, ATTR_VALUE)); 716 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 717 minimumPasswordNonLetter = Integer.parseInt( 718 parser.getAttributeValue(null, ATTR_VALUE)); 719 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 720 maximumTimeToUnlock = Long.parseLong( 721 parser.getAttributeValue(null, ATTR_VALUE)); 722 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 723 maximumFailedPasswordsForWipe = Integer.parseInt( 724 parser.getAttributeValue(null, ATTR_VALUE)); 725 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 726 specifiesGlobalProxy = Boolean.parseBoolean( 727 parser.getAttributeValue(null, ATTR_VALUE)); 728 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 729 globalProxySpec = 730 parser.getAttributeValue(null, ATTR_VALUE); 731 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 732 globalProxyExclusionList = 733 parser.getAttributeValue(null, ATTR_VALUE); 734 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 735 passwordExpirationTimeout = Long.parseLong( 736 parser.getAttributeValue(null, ATTR_VALUE)); 737 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 738 passwordExpirationDate = Long.parseLong( 739 parser.getAttributeValue(null, ATTR_VALUE)); 740 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 741 encryptionRequested = Boolean.parseBoolean( 742 parser.getAttributeValue(null, ATTR_VALUE)); 743 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 744 disableCamera = Boolean.parseBoolean( 745 parser.getAttributeValue(null, ATTR_VALUE)); 746 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 747 disableCallerId = Boolean.parseBoolean( 748 parser.getAttributeValue(null, ATTR_VALUE)); 749 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 750 disableBluetoothContactSharing = Boolean.parseBoolean(parser 751 .getAttributeValue(null, ATTR_VALUE)); 752 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 753 disableScreenCapture = Boolean.parseBoolean( 754 parser.getAttributeValue(null, ATTR_VALUE)); 755 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 756 requireAutoTime= Boolean.parseBoolean( 757 parser.getAttributeValue(null, ATTR_VALUE)); 758 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 759 disabledKeyguardFeatures = Integer.parseInt( 760 parser.getAttributeValue(null, ATTR_VALUE)); 761 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 762 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 763 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 764 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 765 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 766 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 767 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 768 permittedAccessiblityServices = readPackageList(parser, tag); 769 } else if (TAG_PERMITTED_IMES.equals(tag)) { 770 permittedInputMethods = readPackageList(parser, tag); 771 } else { 772 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 773 } 774 XmlUtils.skipCurrentTag(parser); 775 } 776 } 777 778 private List<String> readPackageList(XmlPullParser parser, 779 String tag) throws XmlPullParserException, IOException { 780 List<String> result = new ArrayList<String>(); 781 int outerDepth = parser.getDepth(); 782 int outerType; 783 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 784 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 785 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 786 continue; 787 } 788 String outerTag = parser.getName(); 789 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 790 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 791 if (packageName != null) { 792 result.add(packageName); 793 } else { 794 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 795 } 796 } else { 797 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 798 } 799 } 800 return result; 801 } 802 803 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 804 throws XmlPullParserException, IOException { 805 int outerDepthDAM = parser.getDepth(); 806 int typeDAM; 807 Set<String> result = new HashSet<String>(); 808 while ((typeDAM=parser.next()) != END_DOCUMENT 809 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 810 if (typeDAM == END_TAG || typeDAM == TEXT) { 811 continue; 812 } 813 String tagDAM = parser.getName(); 814 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 815 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 816 } else { 817 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 818 } 819 } 820 return result; 821 } 822 823 private HashMap<String, TrustAgentInfo> getAllTrustAgentInfos( 824 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 825 int outerDepthDAM = parser.getDepth(); 826 int typeDAM; 827 HashMap<String, TrustAgentInfo> result = new HashMap<String, TrustAgentInfo>(); 828 while ((typeDAM=parser.next()) != END_DOCUMENT 829 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 830 if (typeDAM == END_TAG || typeDAM == TEXT) { 831 continue; 832 } 833 String tagDAM = parser.getName(); 834 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 835 final String component = parser.getAttributeValue(null, ATTR_VALUE); 836 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 837 result.put(component, trustAgentInfo); 838 } else { 839 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 840 } 841 } 842 return result; 843 } 844 845 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 846 throws XmlPullParserException, IOException { 847 int outerDepthDAM = parser.getDepth(); 848 int typeDAM; 849 TrustAgentInfo result = new TrustAgentInfo(null); 850 while ((typeDAM=parser.next()) != END_DOCUMENT 851 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 852 if (typeDAM == END_TAG || typeDAM == TEXT) { 853 continue; 854 } 855 String tagDAM = parser.getName(); 856 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 857 PersistableBundle bundle = new PersistableBundle(); 858 bundle.restoreFromXml(parser); 859 result.options = bundle; 860 } else { 861 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 862 } 863 } 864 return result; 865 } 866 867 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 868 throws XmlPullParserException, IOException { 869 int outerDepthDAM = parser.getDepth(); 870 int typeDAM; 871 ArrayList<String> result = null; 872 while ((typeDAM=parser.next()) != END_DOCUMENT 873 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 874 if (typeDAM == END_TAG || typeDAM == TEXT) { 875 continue; 876 } 877 String tagDAM = parser.getName(); 878 if (TAG_PROVIDER.equals(tagDAM)) { 879 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 880 if (result == null) { 881 result = new ArrayList<>(); 882 } 883 result.add(provider); 884 } else { 885 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 886 } 887 } 888 return result; 889 } 890 891 void dump(String prefix, PrintWriter pw) { 892 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 893 pw.print(prefix); pw.println("policies:"); 894 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 895 if (pols != null) { 896 for (int i=0; i<pols.size(); i++) { 897 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 898 } 899 } 900 pw.print(prefix); pw.print("passwordQuality=0x"); 901 pw.println(Integer.toHexString(passwordQuality)); 902 pw.print(prefix); pw.print("minimumPasswordLength="); 903 pw.println(minimumPasswordLength); 904 pw.print(prefix); pw.print("passwordHistoryLength="); 905 pw.println(passwordHistoryLength); 906 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 907 pw.println(minimumPasswordUpperCase); 908 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 909 pw.println(minimumPasswordLowerCase); 910 pw.print(prefix); pw.print("minimumPasswordLetters="); 911 pw.println(minimumPasswordLetters); 912 pw.print(prefix); pw.print("minimumPasswordNumeric="); 913 pw.println(minimumPasswordNumeric); 914 pw.print(prefix); pw.print("minimumPasswordSymbols="); 915 pw.println(minimumPasswordSymbols); 916 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 917 pw.println(minimumPasswordNonLetter); 918 pw.print(prefix); pw.print("maximumTimeToUnlock="); 919 pw.println(maximumTimeToUnlock); 920 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 921 pw.println(maximumFailedPasswordsForWipe); 922 pw.print(prefix); pw.print("specifiesGlobalProxy="); 923 pw.println(specifiesGlobalProxy); 924 pw.print(prefix); pw.print("passwordExpirationTimeout="); 925 pw.println(passwordExpirationTimeout); 926 pw.print(prefix); pw.print("passwordExpirationDate="); 927 pw.println(passwordExpirationDate); 928 if (globalProxySpec != null) { 929 pw.print(prefix); pw.print("globalProxySpec="); 930 pw.println(globalProxySpec); 931 } 932 if (globalProxyExclusionList != null) { 933 pw.print(prefix); pw.print("globalProxyEclusionList="); 934 pw.println(globalProxyExclusionList); 935 } 936 pw.print(prefix); pw.print("encryptionRequested="); 937 pw.println(encryptionRequested); 938 pw.print(prefix); pw.print("disableCamera="); 939 pw.println(disableCamera); 940 pw.print(prefix); pw.print("disableCallerId="); 941 pw.println(disableCallerId); 942 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 943 pw.println(disableBluetoothContactSharing); 944 pw.print(prefix); pw.print("disableScreenCapture="); 945 pw.println(disableScreenCapture); 946 pw.print(prefix); pw.print("requireAutoTime="); 947 pw.println(requireAutoTime); 948 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 949 pw.println(disabledKeyguardFeatures); 950 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 951 pw.println(crossProfileWidgetProviders); 952 if (!(permittedAccessiblityServices == null)) { 953 pw.print(prefix); pw.print("permittedAccessibilityServices="); 954 pw.println(permittedAccessiblityServices.toString()); 955 } 956 if (!(permittedInputMethods == null)) { 957 pw.print(prefix); pw.print("permittedInputMethods="); 958 pw.println(permittedInputMethods.toString()); 959 } 960 } 961 } 962 963 private void handlePackagesChanged(String packageName, int userHandle) { 964 boolean removed = false; 965 if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 966 DevicePolicyData policy = getUserData(userHandle); 967 IPackageManager pm = AppGlobals.getPackageManager(); 968 synchronized (this) { 969 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 970 ActiveAdmin aa = policy.mAdminList.get(i); 971 try { 972 // If we're checking all packages or if the specific one we're checking matches, 973 // then check if the package and receiver still exist. 974 final String adminPackage = aa.info.getPackageName(); 975 if (packageName == null || packageName.equals(adminPackage)) { 976 if (pm.getPackageInfo(adminPackage, 0, userHandle) == null 977 || pm.getReceiverInfo(aa.info.getComponent(), 0, userHandle) 978 == null) { 979 removed = true; 980 policy.mAdminList.remove(i); 981 policy.mAdminMap.remove(aa.info.getComponent()); 982 } 983 } 984 } catch (RemoteException re) { 985 // Shouldn't happen 986 } 987 } 988 if (removed) { 989 validatePasswordOwnerLocked(policy); 990 syncDeviceCapabilitiesLocked(policy); 991 saveSettingsLocked(policy.mUserHandle); 992 } 993 994 if (policy.mDelegatedCertInstallerPackage != null && 995 (packageName == null 996 || packageName.equals(policy.mDelegatedCertInstallerPackage))) { 997 try { 998 // Check if delegated cert installer package is removed. 999 if (pm.getPackageInfo( 1000 policy.mDelegatedCertInstallerPackage, 0, userHandle) == null) { 1001 policy.mDelegatedCertInstallerPackage = null; 1002 saveSettingsLocked(policy.mUserHandle); 1003 } 1004 } catch (RemoteException e) { 1005 // Shouldn't happen 1006 } 1007 } 1008 } 1009 } 1010 1011 /** 1012 * Instantiates the service. 1013 */ 1014 public DevicePolicyManagerService(Context context) { 1015 mContext = context; 1016 mUserManager = UserManager.get(mContext); 1017 mHasFeature = context.getPackageManager().hasSystemFeature( 1018 PackageManager.FEATURE_DEVICE_ADMIN); 1019 mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 1020 mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class); 1021 mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM"); 1022 mLocalService = new LocalService(); 1023 if (!mHasFeature) { 1024 // Skip the rest of the initialization 1025 return; 1026 } 1027 IntentFilter filter = new IntentFilter(); 1028 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1029 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1030 filter.addAction(Intent.ACTION_USER_REMOVED); 1031 filter.addAction(Intent.ACTION_USER_STARTED); 1032 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1033 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1034 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1035 filter = new IntentFilter(); 1036 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1037 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1038 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1039 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1040 filter.addDataScheme("package"); 1041 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1042 1043 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1044 } 1045 1046 /** 1047 * Creates and loads the policy data from xml. 1048 * @param userHandle the user for whom to load the policy data 1049 * @return 1050 */ 1051 DevicePolicyData getUserData(int userHandle) { 1052 synchronized (this) { 1053 DevicePolicyData policy = mUserData.get(userHandle); 1054 if (policy == null) { 1055 policy = new DevicePolicyData(userHandle); 1056 mUserData.append(userHandle, policy); 1057 loadSettingsLocked(policy, userHandle); 1058 } 1059 return policy; 1060 } 1061 } 1062 1063 /** 1064 * Creates and loads the policy data from xml for data that is shared between 1065 * various profiles of a user. In contrast to {@link #getUserData(int)} 1066 * it allows access to data of users other than the calling user. 1067 * 1068 * This function should only be used for shared data, e.g. everything regarding 1069 * passwords and should be removed once multiple screen locks are present. 1070 * @param userHandle the user for whom to load the policy data 1071 * @return 1072 */ 1073 DevicePolicyData getUserDataUnchecked(int userHandle) { 1074 long ident = Binder.clearCallingIdentity(); 1075 try { 1076 return getUserData(userHandle); 1077 } finally { 1078 Binder.restoreCallingIdentity(ident); 1079 } 1080 } 1081 1082 void removeUserData(int userHandle) { 1083 synchronized (this) { 1084 if (userHandle == UserHandle.USER_OWNER) { 1085 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1086 return; 1087 } 1088 if (mDeviceOwner != null) { 1089 mDeviceOwner.removeProfileOwner(userHandle); 1090 mDeviceOwner.writeOwnerFile(); 1091 } 1092 1093 DevicePolicyData policy = mUserData.get(userHandle); 1094 if (policy != null) { 1095 mUserData.remove(userHandle); 1096 } 1097 File policyFile = new File(Environment.getUserSystemDirectory(userHandle), 1098 DEVICE_POLICIES_XML); 1099 policyFile.delete(); 1100 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1101 } 1102 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1103 } 1104 1105 void loadDeviceOwner() { 1106 synchronized (this) { 1107 mDeviceOwner = DeviceOwner.load(); 1108 } 1109 } 1110 1111 /** 1112 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1113 * reminders. Clears alarm if no expirations are configured. 1114 */ 1115 protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { 1116 final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); 1117 final long now = System.currentTimeMillis(); 1118 final long timeToExpire = expiration - now; 1119 final long alarmTime; 1120 if (expiration == 0) { 1121 // No expirations are currently configured: Cancel alarm. 1122 alarmTime = 0; 1123 } else if (timeToExpire <= 0) { 1124 // The password has already expired: Repeat every 24 hours. 1125 alarmTime = now + MS_PER_DAY; 1126 } else { 1127 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1128 // the expiration time. 1129 long alarmInterval = timeToExpire % MS_PER_DAY; 1130 if (alarmInterval == 0) { 1131 alarmInterval = MS_PER_DAY; 1132 } 1133 alarmTime = now + alarmInterval; 1134 } 1135 1136 long token = Binder.clearCallingIdentity(); 1137 try { 1138 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1139 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1140 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1141 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1142 new UserHandle(policy.mUserHandle)); 1143 am.cancel(pi); 1144 if (alarmTime != 0) { 1145 am.set(AlarmManager.RTC, alarmTime, pi); 1146 } 1147 } finally { 1148 Binder.restoreCallingIdentity(token); 1149 } 1150 } 1151 1152 private IWindowManager getWindowManager() { 1153 if (mIWindowManager == null) { 1154 IBinder b = ServiceManager.getService(Context.WINDOW_SERVICE); 1155 mIWindowManager = IWindowManager.Stub.asInterface(b); 1156 } 1157 return mIWindowManager; 1158 } 1159 1160 private NotificationManager getNotificationManager() { 1161 if (mNotificationManager == null) { 1162 mNotificationManager = 1163 (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); 1164 } 1165 return mNotificationManager; 1166 } 1167 1168 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1169 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1170 if (admin != null 1171 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1172 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1173 return admin; 1174 } 1175 return null; 1176 } 1177 1178 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1179 throws SecurityException { 1180 final int callingUid = Binder.getCallingUid(); 1181 1182 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1183 if (result != null) { 1184 return result; 1185 } 1186 1187 if (who != null) { 1188 final int userId = UserHandle.getUserId(callingUid); 1189 final DevicePolicyData policy = getUserData(userId); 1190 ActiveAdmin admin = policy.mAdminMap.get(who); 1191 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1192 throw new SecurityException("Admin " + admin.info.getComponent() 1193 + " does not own the device"); 1194 } 1195 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1196 throw new SecurityException("Admin " + admin.info.getComponent() 1197 + " does not own the profile"); 1198 } 1199 throw new SecurityException("Admin " + admin.info.getComponent() 1200 + " did not specify uses-policy for: " 1201 + admin.info.getTagForPolicy(reqPolicy)); 1202 } else { 1203 throw new SecurityException("No active admin owned by uid " 1204 + Binder.getCallingUid() + " for policy #" + reqPolicy); 1205 } 1206 } 1207 1208 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1209 int uid) { 1210 // Try to find an admin which can use reqPolicy 1211 final int userId = UserHandle.getUserId(uid); 1212 final DevicePolicyData policy = getUserData(userId); 1213 if (who != null) { 1214 ActiveAdmin admin = policy.mAdminMap.get(who); 1215 if (admin == null) { 1216 throw new SecurityException("No active admin " + who); 1217 } 1218 if (admin.getUid() != uid) { 1219 throw new SecurityException("Admin " + who + " is not owned by uid " 1220 + Binder.getCallingUid()); 1221 } 1222 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1223 return admin; 1224 } 1225 } else { 1226 for (ActiveAdmin admin : policy.mAdminList) { 1227 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 1228 userId)) { 1229 return admin; 1230 } 1231 } 1232 } 1233 1234 return null; 1235 } 1236 1237 private boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 1238 int userId) { 1239 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 1240 boolean ownsProfile = (getProfileOwner(userId) != null 1241 && getProfileOwner(userId).getPackageName() 1242 .equals(admin.info.getPackageName())); 1243 boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) 1244 && !hasUserSetupCompleted(userId); 1245 1246 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1247 if (ownsDevice || (userId == UserHandle.USER_OWNER && ownsInitialization)) { 1248 return true; 1249 } 1250 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1251 if (ownsDevice || ownsProfile || ownsInitialization) { 1252 return true; 1253 } 1254 } else { 1255 if (admin.info.usesPolicy(reqPolicy)) { 1256 return true; 1257 } 1258 } 1259 return false; 1260 } 1261 1262 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1263 sendAdminCommandLocked(admin, action, null); 1264 } 1265 1266 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1267 sendAdminCommandLocked(admin, action, null, result); 1268 } 1269 1270 /** 1271 * Send an update to one specific admin, get notified when that admin returns a result. 1272 */ 1273 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1274 BroadcastReceiver result) { 1275 Intent intent = new Intent(action); 1276 intent.setComponent(admin.info.getComponent()); 1277 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1278 intent.putExtra("expiration", admin.passwordExpirationDate); 1279 } 1280 if (adminExtras != null) { 1281 intent.putExtras(adminExtras); 1282 } 1283 if (result != null) { 1284 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1285 null, result, mHandler, Activity.RESULT_OK, null, null); 1286 } else { 1287 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 1288 } 1289 } 1290 1291 /** 1292 * Send an update to all admins of a user that enforce a specified policy. 1293 */ 1294 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 1295 final DevicePolicyData policy = getUserData(userHandle); 1296 final int count = policy.mAdminList.size(); 1297 if (count > 0) { 1298 for (int i = 0; i < count; i++) { 1299 final ActiveAdmin admin = policy.mAdminList.get(i); 1300 if (admin.info.usesPolicy(reqPolicy)) { 1301 sendAdminCommandLocked(admin, action); 1302 } 1303 } 1304 } 1305 } 1306 1307 /** 1308 * Send an update intent to all admins of a user and its profiles. Only send to admins that 1309 * enforce a specified policy. 1310 */ 1311 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 1312 int userHandle) { 1313 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1314 for (UserInfo ui : profiles) { 1315 int id = ui.id; 1316 sendAdminCommandLocked(action, reqPolicy, id); 1317 } 1318 } 1319 1320 void removeActiveAdminLocked(final ComponentName adminReceiver, int userHandle) { 1321 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1322 if (admin != null) { 1323 synchronized (this) { 1324 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 1325 } 1326 sendAdminCommandLocked(admin, 1327 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 1328 new BroadcastReceiver() { 1329 @Override 1330 public void onReceive(Context context, Intent intent) { 1331 synchronized (DevicePolicyManagerService.this) { 1332 int userHandle = admin.getUserHandle().getIdentifier(); 1333 DevicePolicyData policy = getUserData(userHandle); 1334 boolean doProxyCleanup = admin.info.usesPolicy( 1335 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 1336 policy.mAdminList.remove(admin); 1337 policy.mAdminMap.remove(adminReceiver); 1338 validatePasswordOwnerLocked(policy); 1339 syncDeviceCapabilitiesLocked(policy); 1340 if (doProxyCleanup) { 1341 resetGlobalProxyLocked(getUserData(userHandle)); 1342 } 1343 saveSettingsLocked(userHandle); 1344 updateMaximumTimeToLockLocked(policy); 1345 policy.mRemovingAdmins.remove(adminReceiver); 1346 } 1347 } 1348 }); 1349 } 1350 } 1351 1352 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle) { 1353 if (!mHasFeature) { 1354 return null; 1355 } 1356 enforceCrossUserPermission(userHandle); 1357 Intent resolveIntent = new Intent(); 1358 resolveIntent.setComponent(adminName); 1359 List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceivers( 1360 resolveIntent, 1361 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1362 userHandle); 1363 if (infos == null || infos.size() <= 0) { 1364 throw new IllegalArgumentException("Unknown admin: " + adminName); 1365 } 1366 1367 try { 1368 return new DeviceAdminInfo(mContext, infos.get(0)); 1369 } catch (XmlPullParserException e) { 1370 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1371 e); 1372 return null; 1373 } catch (IOException e) { 1374 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1375 e); 1376 return null; 1377 } 1378 } 1379 1380 private static JournaledFile makeJournaledFile(int userHandle) { 1381 final String base = userHandle == 0 1382 ? "/data/system/" + DEVICE_POLICIES_XML 1383 : new File(Environment.getUserSystemDirectory(userHandle), DEVICE_POLICIES_XML) 1384 .getAbsolutePath(); 1385 return new JournaledFile(new File(base), new File(base + ".tmp")); 1386 } 1387 1388 private void saveSettingsLocked(int userHandle) { 1389 DevicePolicyData policy = getUserData(userHandle); 1390 JournaledFile journal = makeJournaledFile(userHandle); 1391 FileOutputStream stream = null; 1392 try { 1393 stream = new FileOutputStream(journal.chooseForWrite(), false); 1394 XmlSerializer out = new FastXmlSerializer(); 1395 out.setOutput(stream, "utf-8"); 1396 out.startDocument(null, true); 1397 1398 out.startTag(null, "policies"); 1399 if (policy.mRestrictionsProvider != null) { 1400 out.attribute(null, ATTR_PERMISSION_PROVIDER, 1401 policy.mRestrictionsProvider.flattenToString()); 1402 } 1403 if (policy.mUserSetupComplete) { 1404 out.attribute(null, ATTR_SETUP_COMPLETE, 1405 Boolean.toString(true)); 1406 } 1407 if (policy.mDelegatedCertInstallerPackage != null) { 1408 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 1409 policy.mDelegatedCertInstallerPackage); 1410 } 1411 1412 1413 final int N = policy.mAdminList.size(); 1414 for (int i=0; i<N; i++) { 1415 ActiveAdmin ap = policy.mAdminList.get(i); 1416 if (ap != null) { 1417 out.startTag(null, "admin"); 1418 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 1419 ap.writeToXml(out); 1420 out.endTag(null, "admin"); 1421 } 1422 } 1423 1424 if (policy.mPasswordOwner >= 0) { 1425 out.startTag(null, "password-owner"); 1426 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 1427 out.endTag(null, "password-owner"); 1428 } 1429 1430 if (policy.mFailedPasswordAttempts != 0) { 1431 out.startTag(null, "failed-password-attempts"); 1432 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 1433 out.endTag(null, "failed-password-attempts"); 1434 } 1435 1436 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 1437 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 1438 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 1439 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 1440 out.startTag(null, "active-password"); 1441 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 1442 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 1443 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 1444 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 1445 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 1446 out.attribute(null, "numeric", Integer 1447 .toString(policy.mActivePasswordNumeric)); 1448 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 1449 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 1450 out.endTag(null, "active-password"); 1451 } 1452 1453 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 1454 String component = policy.mLockTaskPackages.get(i); 1455 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 1456 out.attribute(null, "name", component); 1457 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 1458 } 1459 1460 if (!policy.mStatusBarEnabledState) { 1461 out.startTag(null, TAG_STATUS_BAR); 1462 out.attribute(null, ATTR_ENABLED, Boolean.toString(policy.mStatusBarEnabledState)); 1463 out.endTag(null, TAG_STATUS_BAR); 1464 } 1465 1466 if (policy.doNotAskCredentialsOnBoot) { 1467 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 1468 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 1469 } 1470 1471 out.endTag(null, "policies"); 1472 1473 out.endDocument(); 1474 stream.flush(); 1475 FileUtils.sync(stream); 1476 stream.close(); 1477 journal.commit(); 1478 sendChangedNotification(userHandle); 1479 } catch (IOException e) { 1480 try { 1481 if (stream != null) { 1482 stream.close(); 1483 } 1484 } catch (IOException ex) { 1485 // Ignore 1486 } 1487 journal.rollback(); 1488 } 1489 } 1490 1491 private void sendChangedNotification(int userHandle) { 1492 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 1493 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 1494 long ident = Binder.clearCallingIdentity(); 1495 try { 1496 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 1497 } finally { 1498 Binder.restoreCallingIdentity(ident); 1499 } 1500 } 1501 1502 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 1503 JournaledFile journal = makeJournaledFile(userHandle); 1504 FileInputStream stream = null; 1505 File file = journal.chooseForRead(); 1506 try { 1507 stream = new FileInputStream(file); 1508 XmlPullParser parser = Xml.newPullParser(); 1509 parser.setInput(stream, null); 1510 1511 int type; 1512 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1513 && type != XmlPullParser.START_TAG) { 1514 } 1515 String tag = parser.getName(); 1516 if (!"policies".equals(tag)) { 1517 throw new XmlPullParserException( 1518 "Settings do not start with policies tag: found " + tag); 1519 } 1520 1521 // Extract the permission provider component name if available 1522 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 1523 if (permissionProvider != null) { 1524 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 1525 } 1526 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 1527 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 1528 policy.mUserSetupComplete = true; 1529 } 1530 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 1531 ATTR_DELEGATED_CERT_INSTALLER); 1532 1533 type = parser.next(); 1534 int outerDepth = parser.getDepth(); 1535 policy.mLockTaskPackages.clear(); 1536 policy.mAdminList.clear(); 1537 policy.mAdminMap.clear(); 1538 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1539 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1540 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 1541 continue; 1542 } 1543 tag = parser.getName(); 1544 if ("admin".equals(tag)) { 1545 String name = parser.getAttributeValue(null, "name"); 1546 try { 1547 DeviceAdminInfo dai = findAdmin( 1548 ComponentName.unflattenFromString(name), userHandle); 1549 if (DBG && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 1550 != userHandle)) { 1551 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 1552 + dai.getActivityInfo().applicationInfo.uid + " for user " 1553 + userHandle); 1554 } 1555 if (dai != null) { 1556 ActiveAdmin ap = new ActiveAdmin(dai); 1557 ap.readFromXml(parser); 1558 policy.mAdminMap.put(ap.info.getComponent(), ap); 1559 } 1560 } catch (RuntimeException e) { 1561 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 1562 } 1563 } else if ("failed-password-attempts".equals(tag)) { 1564 policy.mFailedPasswordAttempts = Integer.parseInt( 1565 parser.getAttributeValue(null, "value")); 1566 XmlUtils.skipCurrentTag(parser); 1567 } else if ("password-owner".equals(tag)) { 1568 policy.mPasswordOwner = Integer.parseInt( 1569 parser.getAttributeValue(null, "value")); 1570 XmlUtils.skipCurrentTag(parser); 1571 } else if ("active-password".equals(tag)) { 1572 policy.mActivePasswordQuality = Integer.parseInt( 1573 parser.getAttributeValue(null, "quality")); 1574 policy.mActivePasswordLength = Integer.parseInt( 1575 parser.getAttributeValue(null, "length")); 1576 policy.mActivePasswordUpperCase = Integer.parseInt( 1577 parser.getAttributeValue(null, "uppercase")); 1578 policy.mActivePasswordLowerCase = Integer.parseInt( 1579 parser.getAttributeValue(null, "lowercase")); 1580 policy.mActivePasswordLetters = Integer.parseInt( 1581 parser.getAttributeValue(null, "letters")); 1582 policy.mActivePasswordNumeric = Integer.parseInt( 1583 parser.getAttributeValue(null, "numeric")); 1584 policy.mActivePasswordSymbols = Integer.parseInt( 1585 parser.getAttributeValue(null, "symbols")); 1586 policy.mActivePasswordNonLetter = Integer.parseInt( 1587 parser.getAttributeValue(null, "nonletter")); 1588 XmlUtils.skipCurrentTag(parser); 1589 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 1590 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 1591 XmlUtils.skipCurrentTag(parser); 1592 } else if (TAG_STATUS_BAR.equals(tag)) { 1593 policy.mStatusBarEnabledState = Boolean.parseBoolean( 1594 parser.getAttributeValue(null, ATTR_ENABLED)); 1595 XmlUtils.skipCurrentTag(parser); 1596 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 1597 policy.doNotAskCredentialsOnBoot = true; 1598 } else { 1599 Slog.w(LOG_TAG, "Unknown tag: " + tag); 1600 XmlUtils.skipCurrentTag(parser); 1601 } 1602 } 1603 } catch (NullPointerException e) { 1604 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1605 } catch (NumberFormatException e) { 1606 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1607 } catch (XmlPullParserException e) { 1608 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1609 } catch (FileNotFoundException e) { 1610 // Don't be noisy, this is normal if we haven't defined any policies. 1611 } catch (IOException e) { 1612 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1613 } catch (IndexOutOfBoundsException e) { 1614 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1615 } 1616 try { 1617 if (stream != null) { 1618 stream.close(); 1619 } 1620 } catch (IOException e) { 1621 // Ignore 1622 } 1623 1624 // Generate a list of admins from the admin map 1625 policy.mAdminList.addAll(policy.mAdminMap.values()); 1626 1627 // Validate that what we stored for the password quality matches 1628 // sufficiently what is currently set. Note that this is only 1629 // a sanity check in case the two get out of sync; this should 1630 // never normally happen. 1631 LockPatternUtils utils = new LockPatternUtils(mContext); 1632 if (utils.getActivePasswordQuality(userHandle) < policy.mActivePasswordQuality) { 1633 Slog.w(LOG_TAG, "Active password quality 0x" 1634 + Integer.toHexString(policy.mActivePasswordQuality) 1635 + " does not match actual quality 0x" 1636 + Integer.toHexString(utils.getActivePasswordQuality(userHandle))); 1637 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1638 policy.mActivePasswordLength = 0; 1639 policy.mActivePasswordUpperCase = 0; 1640 policy.mActivePasswordLowerCase = 0; 1641 policy.mActivePasswordLetters = 0; 1642 policy.mActivePasswordNumeric = 0; 1643 policy.mActivePasswordSymbols = 0; 1644 policy.mActivePasswordNonLetter = 0; 1645 } 1646 1647 validatePasswordOwnerLocked(policy); 1648 syncDeviceCapabilitiesLocked(policy); 1649 updateMaximumTimeToLockLocked(policy); 1650 updateLockTaskPackagesLocked(policy, userHandle); 1651 if (!policy.mStatusBarEnabledState) { 1652 setStatusBarEnabledStateInternal(policy.mStatusBarEnabledState, userHandle); 1653 } 1654 } 1655 1656 private void updateLockTaskPackagesLocked(DevicePolicyData policy, int userId) { 1657 IActivityManager am = ActivityManagerNative.getDefault(); 1658 long ident = Binder.clearCallingIdentity(); 1659 try { 1660 am.updateLockTaskPackages(userId, policy.mLockTaskPackages.toArray(new String[0])); 1661 } catch (RemoteException e) { 1662 // Not gonna happen. 1663 } finally { 1664 Binder.restoreCallingIdentity(ident); 1665 } 1666 } 1667 1668 static void validateQualityConstant(int quality) { 1669 switch (quality) { 1670 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 1671 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 1672 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 1673 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 1674 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 1675 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 1676 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 1677 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 1678 return; 1679 } 1680 throw new IllegalArgumentException("Invalid quality constant: 0x" 1681 + Integer.toHexString(quality)); 1682 } 1683 1684 void validatePasswordOwnerLocked(DevicePolicyData policy) { 1685 if (policy.mPasswordOwner >= 0) { 1686 boolean haveOwner = false; 1687 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1688 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 1689 haveOwner = true; 1690 break; 1691 } 1692 } 1693 if (!haveOwner) { 1694 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 1695 + " no longer active; disabling"); 1696 policy.mPasswordOwner = -1; 1697 } 1698 } 1699 } 1700 1701 /** 1702 * Pushes down policy information to the system for any policies related to general device 1703 * capabilities that need to be enforced by lower level services (e.g. Camera services). 1704 */ 1705 void syncDeviceCapabilitiesLocked(DevicePolicyData policy) { 1706 // Ensure the status of the camera is synced down to the system. Interested native services 1707 // should monitor this value and act accordingly. 1708 String cameraPropertyForUser = SYSTEM_PROP_DISABLE_CAMERA_PREFIX + policy.mUserHandle; 1709 boolean systemState = SystemProperties.getBoolean(cameraPropertyForUser, false); 1710 boolean cameraDisabled = getCameraDisabled(null, policy.mUserHandle); 1711 if (cameraDisabled != systemState) { 1712 long token = Binder.clearCallingIdentity(); 1713 try { 1714 String value = cameraDisabled ? "1" : "0"; 1715 if (DBG) Slog.v(LOG_TAG, "Change in camera state [" 1716 + cameraPropertyForUser + "] = " + value); 1717 SystemProperties.set(cameraPropertyForUser, value); 1718 } finally { 1719 Binder.restoreCallingIdentity(token); 1720 } 1721 } 1722 } 1723 1724 public void systemReady() { 1725 if (!mHasFeature) { 1726 return; 1727 } 1728 getUserData(UserHandle.USER_OWNER); 1729 loadDeviceOwner(); 1730 cleanUpOldUsers(); 1731 // Register an observer for watching for user setup complete. 1732 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 1733 // Initialize the user setup state, to handle the upgrade case. 1734 updateUserSetupComplete(); 1735 1736 // Update the screen capture disabled cache in the window manager 1737 List<UserInfo> users = mUserManager.getUsers(true); 1738 final int N = users.size(); 1739 for (int i = 0; i < N; i++) { 1740 int userHandle = users.get(i).id; 1741 updateScreenCaptureDisabledInWindowManager(userHandle, 1742 getScreenCaptureDisabled(null, userHandle)); 1743 } 1744 } 1745 1746 private void cleanUpOldUsers() { 1747 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 1748 // before reboot 1749 Set<Integer> usersWithProfileOwners; 1750 Set<Integer> usersWithData; 1751 synchronized(this) { 1752 usersWithProfileOwners = mDeviceOwner != null 1753 ? mDeviceOwner.getProfileOwnerKeys() : new HashSet<Integer>(); 1754 usersWithData = new HashSet<Integer>(); 1755 for (int i = 0; i < mUserData.size(); i++) { 1756 usersWithData.add(mUserData.keyAt(i)); 1757 } 1758 } 1759 List<UserInfo> allUsers = mUserManager.getUsers(); 1760 1761 Set<Integer> deletedUsers = new HashSet<Integer>(); 1762 deletedUsers.addAll(usersWithProfileOwners); 1763 deletedUsers.addAll(usersWithData); 1764 for (UserInfo userInfo : allUsers) { 1765 deletedUsers.remove(userInfo.id); 1766 } 1767 for (Integer userId : deletedUsers) { 1768 removeUserData(userId); 1769 } 1770 } 1771 1772 private void handlePasswordExpirationNotification(int userHandle) { 1773 synchronized (this) { 1774 final long now = System.currentTimeMillis(); 1775 1776 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1777 for (UserInfo ui : profiles) { 1778 int profileUserHandle = ui.id; 1779 final DevicePolicyData policy = getUserData(profileUserHandle); 1780 final int count = policy.mAdminList.size(); 1781 if (count > 0) { 1782 for (int i = 0; i < count; i++) { 1783 final ActiveAdmin admin = policy.mAdminList.get(i); 1784 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 1785 && admin.passwordExpirationTimeout > 0L 1786 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 1787 && admin.passwordExpirationDate > 0L) { 1788 sendAdminCommandLocked(admin, 1789 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 1790 } 1791 } 1792 } 1793 } 1794 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 1795 } 1796 } 1797 1798 private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { 1799 @Override 1800 protected Void doInBackground(Intent... params) { 1801 int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 1802 1803 if (userHandle == UserHandle.USER_ALL) { 1804 for (UserInfo userInfo : mUserManager.getUsers()) { 1805 manageNotification(userInfo.getUserHandle()); 1806 } 1807 } else { 1808 manageNotification(new UserHandle(userHandle)); 1809 } 1810 return null; 1811 } 1812 1813 private void manageNotification(UserHandle userHandle) { 1814 if (!mUserManager.isUserRunning(userHandle)) { 1815 return; 1816 } 1817 1818 // Call out to KeyChain to check for user-added CAs 1819 boolean hasCert = false; 1820 try { 1821 KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); 1822 try { 1823 if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { 1824 hasCert = true; 1825 } 1826 } catch (RemoteException e) { 1827 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1828 } finally { 1829 kcs.close(); 1830 } 1831 } catch (InterruptedException e) { 1832 Thread.currentThread().interrupt(); 1833 } catch (RuntimeException e) { 1834 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1835 } 1836 if (!hasCert) { 1837 getNotificationManager().cancelAsUser( 1838 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 1839 return; 1840 } 1841 1842 // Build and show a warning notification 1843 int smallIconId; 1844 String contentText; 1845 final String ownerName = getDeviceOwnerName(); 1846 if (isManagedProfile(userHandle.getIdentifier())) { 1847 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); 1848 smallIconId = R.drawable.stat_sys_certificate_info; 1849 } else if (ownerName != null) { 1850 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); 1851 smallIconId = R.drawable.stat_sys_certificate_info; 1852 } else { 1853 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 1854 smallIconId = android.R.drawable.stat_sys_warning; 1855 } 1856 1857 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 1858 dialogIntent.setFlags( 1859 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 1860 dialogIntent.setPackage("com.android.settings"); 1861 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 1862 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 1863 1864 final Context userContext; 1865 try { 1866 userContext = mContext.createPackageContextAsUser("android", 0, userHandle); 1867 } catch (PackageManager.NameNotFoundException e) { 1868 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 1869 return; 1870 } 1871 final Notification noti = new Notification.Builder(userContext) 1872 .setSmallIcon(smallIconId) 1873 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 1874 .setContentText(contentText) 1875 .setContentIntent(notifyIntent) 1876 .setPriority(Notification.PRIORITY_HIGH) 1877 .setShowWhen(false) 1878 .setColor(mContext.getColor( 1879 com.android.internal.R.color.system_notification_accent_color)) 1880 .build(); 1881 1882 getNotificationManager().notifyAsUser( 1883 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 1884 } 1885 } 1886 1887 /** 1888 * @param adminReceiver The admin to add 1889 * @param refreshing true = update an active admin, no error 1890 */ 1891 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 1892 if (!mHasFeature) { 1893 return; 1894 } 1895 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 1896 } 1897 1898 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 1899 Bundle onEnableData) { 1900 mContext.enforceCallingOrSelfPermission( 1901 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1902 enforceCrossUserPermission(userHandle); 1903 1904 DevicePolicyData policy = getUserData(userHandle); 1905 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle); 1906 if (info == null) { 1907 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 1908 } 1909 synchronized (this) { 1910 long ident = Binder.clearCallingIdentity(); 1911 try { 1912 if (!refreshing 1913 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 1914 throw new IllegalArgumentException("Admin is already added"); 1915 } 1916 ActiveAdmin newAdmin = new ActiveAdmin(info); 1917 policy.mAdminMap.put(adminReceiver, newAdmin); 1918 int replaceIndex = -1; 1919 final int N = policy.mAdminList.size(); 1920 for (int i=0; i < N; i++) { 1921 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 1922 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 1923 replaceIndex = i; 1924 break; 1925 } 1926 } 1927 if (replaceIndex == -1) { 1928 policy.mAdminList.add(newAdmin); 1929 enableIfNecessary(info.getPackageName(), userHandle); 1930 } else { 1931 policy.mAdminList.set(replaceIndex, newAdmin); 1932 } 1933 saveSettingsLocked(userHandle); 1934 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 1935 onEnableData, null); 1936 } finally { 1937 Binder.restoreCallingIdentity(ident); 1938 } 1939 } 1940 } 1941 1942 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 1943 if (!mHasFeature) { 1944 return false; 1945 } 1946 enforceCrossUserPermission(userHandle); 1947 synchronized (this) { 1948 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 1949 } 1950 } 1951 1952 @Override 1953 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 1954 if (!mHasFeature) { 1955 return false; 1956 } 1957 enforceCrossUserPermission(userHandle); 1958 synchronized (this) { 1959 DevicePolicyData policyData = getUserData(userHandle); 1960 return policyData.mRemovingAdmins.contains(adminReceiver); 1961 } 1962 } 1963 1964 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 1965 if (!mHasFeature) { 1966 return false; 1967 } 1968 enforceCrossUserPermission(userHandle); 1969 synchronized (this) { 1970 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1971 if (administrator == null) { 1972 throw new SecurityException("No active admin " + adminReceiver); 1973 } 1974 return administrator.info.usesPolicy(policyId); 1975 } 1976 } 1977 1978 @SuppressWarnings("unchecked") 1979 public List<ComponentName> getActiveAdmins(int userHandle) { 1980 if (!mHasFeature) { 1981 return Collections.EMPTY_LIST; 1982 } 1983 1984 enforceCrossUserPermission(userHandle); 1985 synchronized (this) { 1986 DevicePolicyData policy = getUserData(userHandle); 1987 final int N = policy.mAdminList.size(); 1988 if (N <= 0) { 1989 return null; 1990 } 1991 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 1992 for (int i=0; i<N; i++) { 1993 res.add(policy.mAdminList.get(i).info.getComponent()); 1994 } 1995 return res; 1996 } 1997 } 1998 1999 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2000 if (!mHasFeature) { 2001 return false; 2002 } 2003 enforceCrossUserPermission(userHandle); 2004 synchronized (this) { 2005 DevicePolicyData policy = getUserData(userHandle); 2006 final int N = policy.mAdminList.size(); 2007 for (int i=0; i<N; i++) { 2008 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2009 return true; 2010 } 2011 } 2012 return false; 2013 } 2014 } 2015 2016 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2017 if (!mHasFeature) { 2018 return; 2019 } 2020 enforceCrossUserPermission(userHandle); 2021 synchronized (this) { 2022 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2023 if (admin == null) { 2024 return; 2025 } 2026 if (admin.getUid() != Binder.getCallingUid()) { 2027 // Active device owners must remain active admins. 2028 if (isDeviceOwner(adminReceiver.getPackageName())) { 2029 return; 2030 } 2031 mContext.enforceCallingOrSelfPermission( 2032 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2033 } 2034 long ident = Binder.clearCallingIdentity(); 2035 try { 2036 removeActiveAdminLocked(adminReceiver, userHandle); 2037 } finally { 2038 Binder.restoreCallingIdentity(ident); 2039 } 2040 } 2041 } 2042 2043 public void setPasswordQuality(ComponentName who, int quality) { 2044 if (!mHasFeature) { 2045 return; 2046 } 2047 Preconditions.checkNotNull(who, "ComponentName is null"); 2048 final int userHandle = UserHandle.getCallingUserId(); 2049 validateQualityConstant(quality); 2050 2051 synchronized (this) { 2052 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2053 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2054 if (ap.passwordQuality != quality) { 2055 ap.passwordQuality = quality; 2056 saveSettingsLocked(userHandle); 2057 } 2058 } 2059 } 2060 2061 public int getPasswordQuality(ComponentName who, int userHandle) { 2062 if (!mHasFeature) { 2063 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2064 } 2065 enforceCrossUserPermission(userHandle); 2066 synchronized (this) { 2067 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2068 2069 if (who != null) { 2070 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2071 return admin != null ? admin.passwordQuality : mode; 2072 } 2073 2074 // Return strictest policy for this user and profiles that are visible from this user. 2075 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2076 for (UserInfo userInfo : profiles) { 2077 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2078 final int N = policy.mAdminList.size(); 2079 for (int i=0; i<N; i++) { 2080 ActiveAdmin admin = policy.mAdminList.get(i); 2081 if (mode < admin.passwordQuality) { 2082 mode = admin.passwordQuality; 2083 } 2084 } 2085 } 2086 return mode; 2087 } 2088 } 2089 2090 public void setPasswordMinimumLength(ComponentName who, int length) { 2091 if (!mHasFeature) { 2092 return; 2093 } 2094 Preconditions.checkNotNull(who, "ComponentName is null"); 2095 final int userHandle = UserHandle.getCallingUserId(); 2096 synchronized (this) { 2097 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2098 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2099 if (ap.minimumPasswordLength != length) { 2100 ap.minimumPasswordLength = length; 2101 saveSettingsLocked(userHandle); 2102 } 2103 } 2104 } 2105 2106 public int getPasswordMinimumLength(ComponentName who, int userHandle) { 2107 if (!mHasFeature) { 2108 return 0; 2109 } 2110 enforceCrossUserPermission(userHandle); 2111 synchronized (this) { 2112 int length = 0; 2113 2114 if (who != null) { 2115 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2116 return admin != null ? admin.minimumPasswordLength : length; 2117 } 2118 2119 // Return strictest policy for this user and profiles that are visible from this user. 2120 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2121 for (UserInfo userInfo : profiles) { 2122 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2123 final int N = policy.mAdminList.size(); 2124 for (int i=0; i<N; i++) { 2125 ActiveAdmin admin = policy.mAdminList.get(i); 2126 if (length < admin.minimumPasswordLength) { 2127 length = admin.minimumPasswordLength; 2128 } 2129 } 2130 } 2131 return length; 2132 } 2133 } 2134 2135 public void setPasswordHistoryLength(ComponentName who, int length) { 2136 if (!mHasFeature) { 2137 return; 2138 } 2139 Preconditions.checkNotNull(who, "ComponentName is null"); 2140 final int userHandle = UserHandle.getCallingUserId(); 2141 synchronized (this) { 2142 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2143 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2144 if (ap.passwordHistoryLength != length) { 2145 ap.passwordHistoryLength = length; 2146 saveSettingsLocked(userHandle); 2147 } 2148 } 2149 } 2150 2151 public int getPasswordHistoryLength(ComponentName who, int userHandle) { 2152 if (!mHasFeature) { 2153 return 0; 2154 } 2155 enforceCrossUserPermission(userHandle); 2156 synchronized (this) { 2157 int length = 0; 2158 2159 if (who != null) { 2160 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2161 return admin != null ? admin.passwordHistoryLength : length; 2162 } 2163 2164 // Return strictest policy for this user and profiles that are visible from this user. 2165 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2166 for (UserInfo userInfo : profiles) { 2167 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2168 final int N = policy.mAdminList.size(); 2169 for (int i = 0; i < N; i++) { 2170 ActiveAdmin admin = policy.mAdminList.get(i); 2171 if (length < admin.passwordHistoryLength) { 2172 length = admin.passwordHistoryLength; 2173 } 2174 } 2175 } 2176 return length; 2177 } 2178 } 2179 2180 public void setPasswordExpirationTimeout(ComponentName who, long timeout) { 2181 if (!mHasFeature) { 2182 return; 2183 } 2184 Preconditions.checkNotNull(who, "ComponentName is null"); 2185 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 2186 final int userHandle = UserHandle.getCallingUserId(); 2187 synchronized (this) { 2188 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2189 DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); 2190 // Calling this API automatically bumps the expiration date 2191 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 2192 ap.passwordExpirationDate = expiration; 2193 ap.passwordExpirationTimeout = timeout; 2194 if (timeout > 0L) { 2195 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 2196 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 2197 .format(new Date(expiration))); 2198 } 2199 saveSettingsLocked(userHandle); 2200 // in case this is the first one 2201 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 2202 } 2203 } 2204 2205 /** 2206 * Return a single admin's expiration cycle time, or the min of all cycle times. 2207 * Returns 0 if not configured. 2208 */ 2209 public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { 2210 if (!mHasFeature) { 2211 return 0L; 2212 } 2213 enforceCrossUserPermission(userHandle); 2214 synchronized (this) { 2215 long timeout = 0L; 2216 2217 if (who != null) { 2218 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2219 return admin != null ? admin.passwordExpirationTimeout : timeout; 2220 } 2221 2222 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2223 for (UserInfo userInfo : profiles) { 2224 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2225 final int N = policy.mAdminList.size(); 2226 for (int i = 0; i < N; i++) { 2227 ActiveAdmin admin = policy.mAdminList.get(i); 2228 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 2229 && timeout > admin.passwordExpirationTimeout)) { 2230 timeout = admin.passwordExpirationTimeout; 2231 } 2232 } 2233 } 2234 return timeout; 2235 } 2236 } 2237 2238 @Override 2239 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2240 final int userId = UserHandle.getCallingUserId(); 2241 List<String> changedProviders = null; 2242 2243 synchronized (this) { 2244 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2245 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2246 if (activeAdmin.crossProfileWidgetProviders == null) { 2247 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 2248 } 2249 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2250 if (!providers.contains(packageName)) { 2251 providers.add(packageName); 2252 changedProviders = new ArrayList<>(providers); 2253 saveSettingsLocked(userId); 2254 } 2255 } 2256 2257 if (changedProviders != null) { 2258 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2259 return true; 2260 } 2261 2262 return false; 2263 } 2264 2265 @Override 2266 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2267 final int userId = UserHandle.getCallingUserId(); 2268 List<String> changedProviders = null; 2269 2270 synchronized (this) { 2271 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2272 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2273 if (activeAdmin.crossProfileWidgetProviders == null) { 2274 return false; 2275 } 2276 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2277 if (providers.remove(packageName)) { 2278 changedProviders = new ArrayList<>(providers); 2279 saveSettingsLocked(userId); 2280 } 2281 } 2282 2283 if (changedProviders != null) { 2284 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2285 return true; 2286 } 2287 2288 return false; 2289 } 2290 2291 @Override 2292 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 2293 synchronized (this) { 2294 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2295 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2296 if (activeAdmin.crossProfileWidgetProviders == null 2297 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 2298 return null; 2299 } 2300 if (Binder.getCallingUid() == Process.myUid()) { 2301 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 2302 } else { 2303 return activeAdmin.crossProfileWidgetProviders; 2304 } 2305 } 2306 } 2307 2308 /** 2309 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 2310 * Returns 0 if not configured. 2311 */ 2312 private long getPasswordExpirationLocked(ComponentName who, int userHandle) { 2313 long timeout = 0L; 2314 2315 if (who != null) { 2316 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2317 return admin != null ? admin.passwordExpirationDate : timeout; 2318 } 2319 2320 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2321 for (UserInfo userInfo : profiles) { 2322 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2323 final int N = policy.mAdminList.size(); 2324 for (int i = 0; i < N; i++) { 2325 ActiveAdmin admin = policy.mAdminList.get(i); 2326 if (timeout == 0L || (admin.passwordExpirationDate != 0 2327 && timeout > admin.passwordExpirationDate)) { 2328 timeout = admin.passwordExpirationDate; 2329 } 2330 } 2331 } 2332 return timeout; 2333 } 2334 2335 public long getPasswordExpiration(ComponentName who, int userHandle) { 2336 if (!mHasFeature) { 2337 return 0L; 2338 } 2339 enforceCrossUserPermission(userHandle); 2340 synchronized (this) { 2341 return getPasswordExpirationLocked(who, userHandle); 2342 } 2343 } 2344 2345 public void setPasswordMinimumUpperCase(ComponentName who, int length) { 2346 if (!mHasFeature) { 2347 return; 2348 } 2349 Preconditions.checkNotNull(who, "ComponentName is null"); 2350 final int userHandle = UserHandle.getCallingUserId(); 2351 synchronized (this) { 2352 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2353 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2354 if (ap.minimumPasswordUpperCase != length) { 2355 ap.minimumPasswordUpperCase = length; 2356 saveSettingsLocked(userHandle); 2357 } 2358 } 2359 } 2360 2361 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { 2362 if (!mHasFeature) { 2363 return 0; 2364 } 2365 enforceCrossUserPermission(userHandle); 2366 synchronized (this) { 2367 int length = 0; 2368 2369 if (who != null) { 2370 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2371 return admin != null ? admin.minimumPasswordUpperCase : length; 2372 } 2373 2374 // Return strictest policy for this user and profiles that are visible from this user. 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 (length < admin.minimumPasswordUpperCase) { 2382 length = admin.minimumPasswordUpperCase; 2383 } 2384 } 2385 } 2386 return length; 2387 } 2388 } 2389 2390 public void setPasswordMinimumLowerCase(ComponentName who, int length) { 2391 Preconditions.checkNotNull(who, "ComponentName is null"); 2392 final int userHandle = UserHandle.getCallingUserId(); 2393 synchronized (this) { 2394 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2395 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2396 if (ap.minimumPasswordLowerCase != length) { 2397 ap.minimumPasswordLowerCase = length; 2398 saveSettingsLocked(userHandle); 2399 } 2400 } 2401 } 2402 2403 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { 2404 if (!mHasFeature) { 2405 return 0; 2406 } 2407 enforceCrossUserPermission(userHandle); 2408 synchronized (this) { 2409 int length = 0; 2410 2411 if (who != null) { 2412 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2413 return admin != null ? admin.minimumPasswordLowerCase : length; 2414 } 2415 2416 // Return strictest policy for this user and profiles that are visible from this user. 2417 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2418 for (UserInfo userInfo : profiles) { 2419 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2420 final int N = policy.mAdminList.size(); 2421 for (int i=0; i<N; i++) { 2422 ActiveAdmin admin = policy.mAdminList.get(i); 2423 if (length < admin.minimumPasswordLowerCase) { 2424 length = admin.minimumPasswordLowerCase; 2425 } 2426 } 2427 } 2428 return length; 2429 } 2430 } 2431 2432 public void setPasswordMinimumLetters(ComponentName who, int length) { 2433 if (!mHasFeature) { 2434 return; 2435 } 2436 Preconditions.checkNotNull(who, "ComponentName is null"); 2437 final int userHandle = UserHandle.getCallingUserId(); 2438 synchronized (this) { 2439 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2440 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2441 if (ap.minimumPasswordLetters != length) { 2442 ap.minimumPasswordLetters = length; 2443 saveSettingsLocked(userHandle); 2444 } 2445 } 2446 } 2447 2448 public int getPasswordMinimumLetters(ComponentName who, int userHandle) { 2449 if (!mHasFeature) { 2450 return 0; 2451 } 2452 enforceCrossUserPermission(userHandle); 2453 synchronized (this) { 2454 int length = 0; 2455 2456 if (who != null) { 2457 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2458 return admin != null ? admin.minimumPasswordLetters : length; 2459 } 2460 2461 // Return strictest policy for this user and profiles that are visible from this user. 2462 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2463 for (UserInfo userInfo : profiles) { 2464 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2465 final int N = policy.mAdminList.size(); 2466 for (int i=0; i<N; i++) { 2467 ActiveAdmin admin = policy.mAdminList.get(i); 2468 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2469 continue; 2470 } 2471 if (length < admin.minimumPasswordLetters) { 2472 length = admin.minimumPasswordLetters; 2473 } 2474 } 2475 } 2476 return length; 2477 } 2478 } 2479 2480 public void setPasswordMinimumNumeric(ComponentName who, int length) { 2481 if (!mHasFeature) { 2482 return; 2483 } 2484 Preconditions.checkNotNull(who, "ComponentName is null"); 2485 final int userHandle = UserHandle.getCallingUserId(); 2486 synchronized (this) { 2487 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2488 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2489 if (ap.minimumPasswordNumeric != length) { 2490 ap.minimumPasswordNumeric = length; 2491 saveSettingsLocked(userHandle); 2492 } 2493 } 2494 } 2495 2496 public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { 2497 if (!mHasFeature) { 2498 return 0; 2499 } 2500 enforceCrossUserPermission(userHandle); 2501 synchronized (this) { 2502 int length = 0; 2503 2504 if (who != null) { 2505 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2506 return admin != null ? admin.minimumPasswordNumeric : length; 2507 } 2508 2509 // Return strictest policy for this user and profiles that are visible from this user. 2510 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2511 for (UserInfo userInfo : profiles) { 2512 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2513 final int N = policy.mAdminList.size(); 2514 for (int i = 0; i < N; i++) { 2515 ActiveAdmin admin = policy.mAdminList.get(i); 2516 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2517 continue; 2518 } 2519 if (length < admin.minimumPasswordNumeric) { 2520 length = admin.minimumPasswordNumeric; 2521 } 2522 } 2523 } 2524 return length; 2525 } 2526 } 2527 2528 public void setPasswordMinimumSymbols(ComponentName who, int length) { 2529 if (!mHasFeature) { 2530 return; 2531 } 2532 Preconditions.checkNotNull(who, "ComponentName is null"); 2533 final int userHandle = UserHandle.getCallingUserId(); 2534 synchronized (this) { 2535 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2536 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2537 if (ap.minimumPasswordSymbols != length) { 2538 ap.minimumPasswordSymbols = length; 2539 saveSettingsLocked(userHandle); 2540 } 2541 } 2542 } 2543 2544 public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { 2545 if (!mHasFeature) { 2546 return 0; 2547 } 2548 enforceCrossUserPermission(userHandle); 2549 synchronized (this) { 2550 int length = 0; 2551 2552 if (who != null) { 2553 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2554 return admin != null ? admin.minimumPasswordSymbols : length; 2555 } 2556 2557 // Return strictest policy for this user and profiles that are visible from this user. 2558 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2559 for (UserInfo userInfo : profiles) { 2560 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2561 final int N = policy.mAdminList.size(); 2562 for (int i=0; i<N; i++) { 2563 ActiveAdmin admin = policy.mAdminList.get(i); 2564 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2565 continue; 2566 } 2567 if (length < admin.minimumPasswordSymbols) { 2568 length = admin.minimumPasswordSymbols; 2569 } 2570 } 2571 } 2572 return length; 2573 } 2574 } 2575 2576 public void setPasswordMinimumNonLetter(ComponentName who, int length) { 2577 if (!mHasFeature) { 2578 return; 2579 } 2580 Preconditions.checkNotNull(who, "ComponentName is null"); 2581 final int userHandle = UserHandle.getCallingUserId(); 2582 synchronized (this) { 2583 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2584 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2585 if (ap.minimumPasswordNonLetter != length) { 2586 ap.minimumPasswordNonLetter = length; 2587 saveSettingsLocked(userHandle); 2588 } 2589 } 2590 } 2591 2592 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { 2593 if (!mHasFeature) { 2594 return 0; 2595 } 2596 enforceCrossUserPermission(userHandle); 2597 synchronized (this) { 2598 int length = 0; 2599 2600 if (who != null) { 2601 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2602 return admin != null ? admin.minimumPasswordNonLetter : length; 2603 } 2604 2605 // Return strictest policy for this user and profiles that are visible from this user. 2606 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2607 for (UserInfo userInfo : profiles) { 2608 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2609 final int N = policy.mAdminList.size(); 2610 for (int i=0; i<N; i++) { 2611 ActiveAdmin admin = policy.mAdminList.get(i); 2612 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2613 continue; 2614 } 2615 if (length < admin.minimumPasswordNonLetter) { 2616 length = admin.minimumPasswordNonLetter; 2617 } 2618 } 2619 } 2620 return length; 2621 } 2622 } 2623 2624 public boolean isActivePasswordSufficient(int userHandle) { 2625 if (!mHasFeature) { 2626 return true; 2627 } 2628 enforceCrossUserPermission(userHandle); 2629 2630 synchronized (this) { 2631 2632 // The active password is stored in the user that runs the launcher 2633 // If the user this is called from is part of a profile group, that is the parent 2634 // of the group. 2635 UserInfo parent = getProfileParent(userHandle); 2636 int id = (parent == null) ? userHandle : parent.id; 2637 DevicePolicyData policy = getUserDataUnchecked(id); 2638 2639 // This API can only be called by an active device admin, 2640 // so try to retrieve it to check that the caller is one. 2641 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2642 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle) 2643 || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { 2644 return false; 2645 } 2646 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2647 return true; 2648 } 2649 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) 2650 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) 2651 && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) 2652 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) 2653 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) 2654 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); 2655 } 2656 } 2657 2658 public int getCurrentFailedPasswordAttempts(int userHandle) { 2659 synchronized (this) { 2660 // This API can only be called by an active device admin, 2661 // so try to retrieve it to check that the caller is one. 2662 getActiveAdminForCallerLocked(null, 2663 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2664 2665 // The active password is stored in the parent. 2666 UserInfo parent = getProfileParent(userHandle); 2667 int id = (parent == null) ? userHandle : parent.id; 2668 DevicePolicyData policy = getUserDataUnchecked(id); 2669 2670 return policy.mFailedPasswordAttempts; 2671 } 2672 } 2673 2674 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num) { 2675 if (!mHasFeature) { 2676 return; 2677 } 2678 Preconditions.checkNotNull(who, "ComponentName is null"); 2679 final int userHandle = UserHandle.getCallingUserId(); 2680 synchronized (this) { 2681 // This API can only be called by an active device admin, 2682 // so try to retrieve it to check that the caller is one. 2683 getActiveAdminForCallerLocked(who, 2684 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2685 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2686 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2687 if (ap.maximumFailedPasswordsForWipe != num) { 2688 ap.maximumFailedPasswordsForWipe = num; 2689 saveSettingsLocked(userHandle); 2690 } 2691 } 2692 } 2693 2694 @Override 2695 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { 2696 if (!mHasFeature) { 2697 return 0; 2698 } 2699 enforceCrossUserPermission(userHandle); 2700 synchronized (this) { 2701 ActiveAdmin admin = (who != null) ? getActiveAdminUncheckedLocked(who, userHandle) 2702 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2703 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 2704 } 2705 } 2706 2707 @Override 2708 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle) { 2709 if (!mHasFeature) { 2710 return UserHandle.USER_NULL; 2711 } 2712 enforceCrossUserPermission(userHandle); 2713 synchronized (this) { 2714 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2715 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 2716 } 2717 } 2718 2719 /** 2720 * Returns the admin with the strictest policy on maximum failed passwords for this user and all 2721 * profiles that are visible from this user. If the policy for the primary and any other profile 2722 * are equal, it returns the admin for the primary profile. 2723 * Returns {@code null} if none of them have that policy set. 2724 */ 2725 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked(int userHandle) { 2726 int count = 0; 2727 ActiveAdmin strictestAdmin = null; 2728 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2729 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2730 for (ActiveAdmin admin : policy.mAdminList) { 2731 if (admin.maximumFailedPasswordsForWipe == 2732 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 2733 continue; // No max number of failed passwords policy set for this profile. 2734 } 2735 2736 // We always favor the primary profile if several profiles have the same value set. 2737 if (count == 0 || 2738 count > admin.maximumFailedPasswordsForWipe || 2739 (userInfo.isPrimary() && count >= admin.maximumFailedPasswordsForWipe)) { 2740 count = admin.maximumFailedPasswordsForWipe; 2741 strictestAdmin = admin; 2742 } 2743 } 2744 } 2745 return strictestAdmin; 2746 } 2747 2748 public boolean resetPassword(String passwordOrNull, int flags) { 2749 if (!mHasFeature) { 2750 return false; 2751 } 2752 final int userHandle = UserHandle.getCallingUserId(); 2753 enforceNotManagedProfile(userHandle, "reset the password"); 2754 2755 String password = passwordOrNull != null ? passwordOrNull : ""; 2756 2757 int quality; 2758 synchronized (this) { 2759 // This api can only be called by an active device admin, 2760 // so try to retrieve it to check that the caller is one. 2761 getActiveAdminForCallerLocked(null, 2762 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 2763 quality = getPasswordQuality(null, userHandle); 2764 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 2765 int realQuality = LockPatternUtils.computePasswordQuality(password); 2766 if (realQuality < quality 2767 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2768 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 2769 + Integer.toHexString(realQuality) 2770 + " does not meet required quality 0x" 2771 + Integer.toHexString(quality)); 2772 return false; 2773 } 2774 quality = Math.max(realQuality, quality); 2775 } 2776 int length = getPasswordMinimumLength(null, userHandle); 2777 if (password.length() < length) { 2778 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 2779 + " does not meet required length " + length); 2780 return false; 2781 } 2782 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2783 int letters = 0; 2784 int uppercase = 0; 2785 int lowercase = 0; 2786 int numbers = 0; 2787 int symbols = 0; 2788 int nonletter = 0; 2789 for (int i = 0; i < password.length(); i++) { 2790 char c = password.charAt(i); 2791 if (c >= 'A' && c <= 'Z') { 2792 letters++; 2793 uppercase++; 2794 } else if (c >= 'a' && c <= 'z') { 2795 letters++; 2796 lowercase++; 2797 } else if (c >= '0' && c <= '9') { 2798 numbers++; 2799 nonletter++; 2800 } else { 2801 symbols++; 2802 nonletter++; 2803 } 2804 } 2805 int neededLetters = getPasswordMinimumLetters(null, userHandle); 2806 if(letters < neededLetters) { 2807 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 2808 + " does not meet required number of letters " + neededLetters); 2809 return false; 2810 } 2811 int neededNumbers = getPasswordMinimumNumeric(null, userHandle); 2812 if (numbers < neededNumbers) { 2813 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 2814 + " does not meet required number of numerical digits " 2815 + neededNumbers); 2816 return false; 2817 } 2818 int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); 2819 if (lowercase < neededLowerCase) { 2820 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 2821 + " does not meet required number of lowercase letters " 2822 + neededLowerCase); 2823 return false; 2824 } 2825 int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); 2826 if (uppercase < neededUpperCase) { 2827 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 2828 + " does not meet required number of uppercase letters " 2829 + neededUpperCase); 2830 return false; 2831 } 2832 int neededSymbols = getPasswordMinimumSymbols(null, userHandle); 2833 if (symbols < neededSymbols) { 2834 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 2835 + " does not meet required number of special symbols " + neededSymbols); 2836 return false; 2837 } 2838 int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); 2839 if (nonletter < neededNonLetter) { 2840 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 2841 + " does not meet required number of non-letter characters " 2842 + neededNonLetter); 2843 return false; 2844 } 2845 } 2846 } 2847 2848 int callingUid = Binder.getCallingUid(); 2849 DevicePolicyData policy = getUserData(userHandle); 2850 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 2851 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 2852 return false; 2853 } 2854 2855 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwnerOrInitializer(callingUid); 2856 boolean doNotAskCredentialsOnBoot = 2857 (flags & DevicePolicyManager.DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 2858 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 2859 setDoNotAskCredentialsOnBoot(); 2860 } 2861 2862 // Don't do this with the lock held, because it is going to call 2863 // back in to the service. 2864 long ident = Binder.clearCallingIdentity(); 2865 try { 2866 LockPatternUtils utils = new LockPatternUtils(mContext); 2867 if (!TextUtils.isEmpty(password)) { 2868 utils.saveLockPassword(password, null, quality, userHandle); 2869 } else { 2870 utils.clearLock(userHandle); 2871 } 2872 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 2873 if (requireEntry) { 2874 utils.requireCredentialEntry(UserHandle.USER_ALL); 2875 } 2876 synchronized (this) { 2877 int newOwner = requireEntry ? callingUid : -1; 2878 if (policy.mPasswordOwner != newOwner) { 2879 policy.mPasswordOwner = newOwner; 2880 saveSettingsLocked(userHandle); 2881 } 2882 } 2883 } finally { 2884 Binder.restoreCallingIdentity(ident); 2885 } 2886 2887 return true; 2888 } 2889 2890 private void setDoNotAskCredentialsOnBoot() { 2891 synchronized (this) { 2892 DevicePolicyData policyData = getUserData(UserHandle.USER_OWNER); 2893 if (!policyData.doNotAskCredentialsOnBoot) { 2894 policyData.doNotAskCredentialsOnBoot = true; 2895 saveSettingsLocked(UserHandle.USER_OWNER); 2896 } 2897 } 2898 } 2899 2900 public boolean getDoNotAskCredentialsOnBoot() { 2901 mContext.enforceCallingOrSelfPermission( 2902 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 2903 synchronized (this) { 2904 DevicePolicyData policyData = getUserData(UserHandle.USER_OWNER); 2905 return policyData.doNotAskCredentialsOnBoot; 2906 } 2907 } 2908 2909 public void setMaximumTimeToLock(ComponentName who, long timeMs) { 2910 if (!mHasFeature) { 2911 return; 2912 } 2913 Preconditions.checkNotNull(who, "ComponentName is null"); 2914 final int userHandle = UserHandle.getCallingUserId(); 2915 synchronized (this) { 2916 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2917 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2918 if (ap.maximumTimeToUnlock != timeMs) { 2919 ap.maximumTimeToUnlock = timeMs; 2920 saveSettingsLocked(userHandle); 2921 updateMaximumTimeToLockLocked(getUserData(userHandle)); 2922 } 2923 } 2924 } 2925 2926 void updateMaximumTimeToLockLocked(DevicePolicyData policy) { 2927 long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); 2928 if (policy.mLastMaximumTimeToLock == timeMs) { 2929 return; 2930 } 2931 2932 long ident = Binder.clearCallingIdentity(); 2933 try { 2934 if (timeMs <= 0) { 2935 timeMs = Integer.MAX_VALUE; 2936 } else { 2937 // Make sure KEEP_SCREEN_ON is disabled, since that 2938 // would allow bypassing of the maximum time to lock. 2939 Settings.Global.putInt(mContext.getContentResolver(), 2940 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 2941 } 2942 2943 policy.mLastMaximumTimeToLock = timeMs; 2944 mPowerManagerInternal.setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); 2945 } finally { 2946 Binder.restoreCallingIdentity(ident); 2947 } 2948 } 2949 2950 public long getMaximumTimeToLock(ComponentName who, int userHandle) { 2951 if (!mHasFeature) { 2952 return 0; 2953 } 2954 enforceCrossUserPermission(userHandle); 2955 synchronized (this) { 2956 long time = 0; 2957 2958 if (who != null) { 2959 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2960 return admin != null ? admin.maximumTimeToUnlock : time; 2961 } 2962 2963 // Return strictest policy for this user and profiles that are visible from this user. 2964 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2965 for (UserInfo userInfo : profiles) { 2966 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2967 final int N = policy.mAdminList.size(); 2968 for (int i=0; i<N; i++) { 2969 ActiveAdmin admin = policy.mAdminList.get(i); 2970 if (time == 0) { 2971 time = admin.maximumTimeToUnlock; 2972 } else if (admin.maximumTimeToUnlock != 0 2973 && time > admin.maximumTimeToUnlock) { 2974 time = admin.maximumTimeToUnlock; 2975 } 2976 } 2977 } 2978 return time; 2979 } 2980 } 2981 2982 public void lockNow() { 2983 if (!mHasFeature) { 2984 return; 2985 } 2986 synchronized (this) { 2987 // This API can only be called by an active device admin, 2988 // so try to retrieve it to check that the caller is one. 2989 getActiveAdminForCallerLocked(null, 2990 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2991 lockNowUnchecked(); 2992 } 2993 } 2994 2995 private void lockNowUnchecked() { 2996 long ident = Binder.clearCallingIdentity(); 2997 try { 2998 // Power off the display 2999 mPowerManager.goToSleep(SystemClock.uptimeMillis(), 3000 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 3001 // Ensure the device is locked 3002 new LockPatternUtils(mContext).requireCredentialEntry(UserHandle.USER_ALL); 3003 getWindowManager().lockNow(null); 3004 } catch (RemoteException e) { 3005 } finally { 3006 Binder.restoreCallingIdentity(ident); 3007 } 3008 } 3009 3010 private boolean isExtStorageEncrypted() { 3011 String state = SystemProperties.get("vold.decrypt"); 3012 return !"".equals(state); 3013 } 3014 3015 @Override 3016 public void enforceCanManageCaCerts(ComponentName who) { 3017 if (who == null) { 3018 if (!isCallerDelegatedCertInstaller()) { 3019 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 3020 } 3021 } else { 3022 synchronized (this) { 3023 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3024 } 3025 } 3026 } 3027 3028 private boolean isCallerDelegatedCertInstaller() { 3029 final int callingUid = Binder.getCallingUid(); 3030 final int userHandle = UserHandle.getUserId(callingUid); 3031 synchronized (this) { 3032 final DevicePolicyData policy = getUserData(userHandle); 3033 if (policy.mDelegatedCertInstallerPackage == null) { 3034 return false; 3035 } 3036 3037 try { 3038 int uid = mContext.getPackageManager().getPackageUid( 3039 policy.mDelegatedCertInstallerPackage, userHandle); 3040 return uid == callingUid; 3041 } catch (NameNotFoundException e) { 3042 return false; 3043 } 3044 } 3045 } 3046 3047 @Override 3048 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 3049 enforceCanManageCaCerts(admin); 3050 3051 byte[] pemCert; 3052 try { 3053 X509Certificate cert = parseCert(certBuffer); 3054 pemCert = Credentials.convertToPem(cert); 3055 } catch (CertificateException ce) { 3056 Log.e(LOG_TAG, "Problem converting cert", ce); 3057 return false; 3058 } catch (IOException ioe) { 3059 Log.e(LOG_TAG, "Problem reading cert", ioe); 3060 return false; 3061 } 3062 3063 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3064 final long id = Binder.clearCallingIdentity(); 3065 try { 3066 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3067 try { 3068 keyChainConnection.getService().installCaCertificate(pemCert); 3069 return true; 3070 } catch (RemoteException e) { 3071 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 3072 } finally { 3073 keyChainConnection.close(); 3074 } 3075 } catch (InterruptedException e1) { 3076 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 3077 Thread.currentThread().interrupt(); 3078 } finally { 3079 Binder.restoreCallingIdentity(id); 3080 } 3081 return false; 3082 } 3083 3084 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 3085 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 3086 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 3087 certBuffer)); 3088 } 3089 3090 @Override 3091 public void uninstallCaCert(ComponentName admin, String alias) { 3092 enforceCanManageCaCerts(admin); 3093 3094 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3095 final long id = Binder.clearCallingIdentity(); 3096 try { 3097 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3098 try { 3099 keyChainConnection.getService().deleteCaCertificate(alias); 3100 } catch (RemoteException e) { 3101 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 3102 } finally { 3103 keyChainConnection.close(); 3104 } 3105 } catch (InterruptedException ie) { 3106 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 3107 Thread.currentThread().interrupt(); 3108 } finally { 3109 Binder.restoreCallingIdentity(id); 3110 } 3111 } 3112 3113 @Override 3114 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias) { 3115 if (who == null) { 3116 if (!isCallerDelegatedCertInstaller()) { 3117 throw new SecurityException("who == null, but caller is not cert installer"); 3118 } 3119 } else { 3120 synchronized (this) { 3121 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3122 } 3123 } 3124 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3125 final long id = Binder.clearCallingIdentity(); 3126 try { 3127 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3128 try { 3129 IKeyChainService keyChain = keyChainConnection.getService(); 3130 return keyChain.installKeyPair(privKey, cert, alias); 3131 } catch (RemoteException e) { 3132 Log.e(LOG_TAG, "Installing certificate", e); 3133 } finally { 3134 keyChainConnection.close(); 3135 } 3136 } catch (InterruptedException e) { 3137 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 3138 Thread.currentThread().interrupt(); 3139 } finally { 3140 Binder.restoreCallingIdentity(id); 3141 } 3142 return false; 3143 } 3144 3145 @Override 3146 public void choosePrivateKeyAlias(final int uid, final String host, int port, final String url, 3147 final String alias, final IBinder response) { 3148 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 3149 if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID) { 3150 return; 3151 } 3152 3153 final UserHandle caller = Binder.getCallingUserHandle(); 3154 final ComponentName profileOwner = getProfileOwner(caller.getIdentifier()); 3155 3156 if (profileOwner == null) { 3157 sendPrivateKeyAliasResponse(null, response); 3158 return; 3159 } 3160 3161 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 3162 intent.setComponent(profileOwner); 3163 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 3164 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_HOST, host); 3165 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_PORT, port); 3166 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URL, url); 3167 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 3168 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 3169 3170 final long id = Binder.clearCallingIdentity(); 3171 try { 3172 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 3173 @Override 3174 public void onReceive(Context context, Intent intent) { 3175 final String chosenAlias = getResultData(); 3176 sendPrivateKeyAliasResponse(chosenAlias, response); 3177 } 3178 }, null, Activity.RESULT_OK, null, null); 3179 } finally { 3180 Binder.restoreCallingIdentity(id); 3181 } 3182 } 3183 3184 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 3185 final IKeyChainAliasCallback keyChainAliasResponse = 3186 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 3187 new AsyncTask<Void, Void, Void>() { 3188 @Override 3189 protected Void doInBackground(Void... unused) { 3190 try { 3191 keyChainAliasResponse.alias(alias); 3192 } catch (Exception e) { 3193 // Catch everything (not just RemoteException): caller could throw a 3194 // RuntimeException back across processes. 3195 Log.e(LOG_TAG, "error while responding to callback", e); 3196 } 3197 return null; 3198 } 3199 }.execute(); 3200 } 3201 3202 @Override 3203 public void setCertInstallerPackage(ComponentName who, String installerPackage) 3204 throws SecurityException { 3205 int userHandle = UserHandle.getCallingUserId(); 3206 synchronized (this) { 3207 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3208 DevicePolicyData policy = getUserData(userHandle); 3209 policy.mDelegatedCertInstallerPackage = installerPackage; 3210 saveSettingsLocked(userHandle); 3211 } 3212 } 3213 3214 @Override 3215 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 3216 int userHandle = UserHandle.getCallingUserId(); 3217 synchronized (this) { 3218 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3219 DevicePolicyData policy = getUserData(userHandle); 3220 return policy.mDelegatedCertInstallerPackage; 3221 } 3222 } 3223 3224 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 3225 // TODO: wipe all public volumes on device 3226 3227 // If the SD card is encrypted and non-removable, we have to force a wipe. 3228 boolean forceExtWipe = !Environment.isExternalStorageRemovable() && isExtStorageEncrypted(); 3229 3230 // Note: we can only do the wipe via ExternalStorageFormatter if the volume is not emulated. 3231 if ((forceExtWipe || wipeExtRequested) && !Environment.isExternalStorageEmulated()) { 3232 Intent intent = new Intent(ExternalStorageFormatter.FORMAT_AND_FACTORY_RESET); 3233 intent.putExtra(ExternalStorageFormatter.EXTRA_ALWAYS_RESET, true); 3234 intent.putExtra(Intent.EXTRA_REASON, reason); 3235 intent.setComponent(ExternalStorageFormatter.COMPONENT_NAME); 3236 mWakeLock.acquire(10000); 3237 mContext.startService(intent); 3238 } else { 3239 try { 3240 RecoverySystem.rebootWipeUserData(mContext, reason); 3241 } catch (IOException | SecurityException e) { 3242 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 3243 } 3244 } 3245 } 3246 3247 @Override 3248 public void wipeData(int flags, final int userHandle) { 3249 if (!mHasFeature) { 3250 return; 3251 } 3252 enforceCrossUserPermission(userHandle); 3253 synchronized (this) { 3254 // This API can only be called by an active device admin, 3255 // so try to retrieve it to check that the caller is one. 3256 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 3257 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 3258 3259 final String source; 3260 final ComponentName cname = admin.info.getComponent(); 3261 if (cname != null) { 3262 source = cname.flattenToShortString(); 3263 } else { 3264 source = admin.info.getPackageName(); 3265 } 3266 3267 long ident = Binder.clearCallingIdentity(); 3268 try { 3269 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 3270 boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) 3271 && !hasUserSetupCompleted(userHandle); 3272 if (userHandle != UserHandle.USER_OWNER 3273 || !(isDeviceOwner(admin.info.getPackageName()) 3274 || ownsInitialization)) { 3275 throw new SecurityException( 3276 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 3277 } 3278 PersistentDataBlockManager manager = (PersistentDataBlockManager) 3279 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 3280 if (manager != null) { 3281 manager.wipe(); 3282 } 3283 } 3284 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 3285 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 3286 "DevicePolicyManager.wipeData() from " + source); 3287 } finally { 3288 Binder.restoreCallingIdentity(ident); 3289 } 3290 } 3291 } 3292 3293 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 3294 if (userHandle == UserHandle.USER_OWNER) { 3295 wipeDataLocked(wipeExtRequested, reason); 3296 } else { 3297 mHandler.post(new Runnable() { 3298 public void run() { 3299 try { 3300 IActivityManager am = ActivityManagerNative.getDefault(); 3301 if (am.getCurrentUser().id == userHandle) { 3302 am.switchUser(UserHandle.USER_OWNER); 3303 } 3304 if (!mUserManager.removeUser(userHandle)) { 3305 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 3306 } 3307 } catch (RemoteException re) { 3308 // Shouldn't happen 3309 } 3310 } 3311 }); 3312 } 3313 } 3314 3315 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 3316 if (!mHasFeature) { 3317 return; 3318 } 3319 enforceCrossUserPermission(userHandle); 3320 mContext.enforceCallingOrSelfPermission( 3321 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3322 3323 synchronized (this) { 3324 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 3325 if (admin == null) { 3326 try { 3327 result.sendResult(null); 3328 } catch (RemoteException e) { 3329 } 3330 return; 3331 } 3332 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 3333 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 3334 intent.setComponent(admin.info.getComponent()); 3335 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 3336 null, new BroadcastReceiver() { 3337 @Override 3338 public void onReceive(Context context, Intent intent) { 3339 try { 3340 result.sendResult(getResultExtras(false)); 3341 } catch (RemoteException e) { 3342 } 3343 } 3344 }, null, Activity.RESULT_OK, null, null); 3345 } 3346 } 3347 3348 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 3349 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 3350 if (!mHasFeature) { 3351 return; 3352 } 3353 enforceCrossUserPermission(userHandle); 3354 enforceNotManagedProfile(userHandle, "set the active password"); 3355 3356 mContext.enforceCallingOrSelfPermission( 3357 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3358 DevicePolicyData p = getUserData(userHandle); 3359 3360 validateQualityConstant(quality); 3361 3362 synchronized (this) { 3363 if (p.mActivePasswordQuality != quality || p.mActivePasswordLength != length 3364 || p.mFailedPasswordAttempts != 0 || p.mActivePasswordLetters != letters 3365 || p.mActivePasswordUpperCase != uppercase 3366 || p.mActivePasswordLowerCase != lowercase 3367 || p.mActivePasswordNumeric != numbers 3368 || p.mActivePasswordSymbols != symbols 3369 || p.mActivePasswordNonLetter != nonletter) { 3370 long ident = Binder.clearCallingIdentity(); 3371 try { 3372 p.mActivePasswordQuality = quality; 3373 p.mActivePasswordLength = length; 3374 p.mActivePasswordLetters = letters; 3375 p.mActivePasswordLowerCase = lowercase; 3376 p.mActivePasswordUpperCase = uppercase; 3377 p.mActivePasswordNumeric = numbers; 3378 p.mActivePasswordSymbols = symbols; 3379 p.mActivePasswordNonLetter = nonletter; 3380 p.mFailedPasswordAttempts = 0; 3381 saveSettingsLocked(userHandle); 3382 updatePasswordExpirationsLocked(userHandle); 3383 setExpirationAlarmCheckLocked(mContext, p); 3384 sendAdminCommandToSelfAndProfilesLocked( 3385 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 3386 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 3387 } finally { 3388 Binder.restoreCallingIdentity(ident); 3389 } 3390 } 3391 } 3392 } 3393 3394 /** 3395 * Called any time the device password is updated. Resets all password expiration clocks. 3396 */ 3397 private void updatePasswordExpirationsLocked(int userHandle) { 3398 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3399 for (UserInfo userInfo : profiles) { 3400 int profileId = userInfo.id; 3401 DevicePolicyData policy = getUserDataUnchecked(profileId); 3402 final int N = policy.mAdminList.size(); 3403 if (N > 0) { 3404 for (int i=0; i<N; i++) { 3405 ActiveAdmin admin = policy.mAdminList.get(i); 3406 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 3407 long timeout = admin.passwordExpirationTimeout; 3408 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3409 admin.passwordExpirationDate = expiration; 3410 } 3411 } 3412 } 3413 saveSettingsLocked(profileId); 3414 } 3415 } 3416 3417 public void reportFailedPasswordAttempt(int userHandle) { 3418 enforceCrossUserPermission(userHandle); 3419 enforceNotManagedProfile(userHandle, "report failed password attempt"); 3420 mContext.enforceCallingOrSelfPermission( 3421 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3422 3423 long ident = Binder.clearCallingIdentity(); 3424 try { 3425 boolean wipeData = false; 3426 int identifier = 0; 3427 synchronized (this) { 3428 DevicePolicyData policy = getUserData(userHandle); 3429 policy.mFailedPasswordAttempts++; 3430 saveSettingsLocked(userHandle); 3431 if (mHasFeature) { 3432 ActiveAdmin strictestAdmin = 3433 getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 3434 int max = strictestAdmin != null 3435 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 3436 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 3437 // Wipe the user/profile associated with the policy that was violated. This 3438 // is not necessarily calling user: if the policy that fired was from a 3439 // managed profile rather than the main user profile, we wipe former only. 3440 wipeData = true; 3441 identifier = strictestAdmin.getUserHandle().getIdentifier(); 3442 } 3443 sendAdminCommandToSelfAndProfilesLocked( 3444 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 3445 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3446 } 3447 } 3448 if (wipeData) { 3449 // Call without holding lock. 3450 wipeDeviceOrUserLocked(false, identifier, 3451 "reportFailedPasswordAttempt()"); 3452 } 3453 } finally { 3454 Binder.restoreCallingIdentity(ident); 3455 } 3456 } 3457 3458 public void reportSuccessfulPasswordAttempt(int userHandle) { 3459 enforceCrossUserPermission(userHandle); 3460 mContext.enforceCallingOrSelfPermission( 3461 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3462 3463 synchronized (this) { 3464 DevicePolicyData policy = getUserData(userHandle); 3465 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 3466 long ident = Binder.clearCallingIdentity(); 3467 try { 3468 policy.mFailedPasswordAttempts = 0; 3469 policy.mPasswordOwner = -1; 3470 saveSettingsLocked(userHandle); 3471 if (mHasFeature) { 3472 sendAdminCommandToSelfAndProfilesLocked( 3473 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 3474 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3475 } 3476 } finally { 3477 Binder.restoreCallingIdentity(ident); 3478 } 3479 } 3480 } 3481 } 3482 3483 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 3484 String exclusionList) { 3485 if (!mHasFeature) { 3486 return null; 3487 } 3488 synchronized(this) { 3489 Preconditions.checkNotNull(who, "ComponentName is null"); 3490 3491 // Only check if owner has set global proxy. We don't allow other users to set it. 3492 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3493 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3494 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 3495 3496 // Scan through active admins and find if anyone has already 3497 // set the global proxy. 3498 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 3499 for (ComponentName component : compSet) { 3500 ActiveAdmin ap = policy.mAdminMap.get(component); 3501 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 3502 // Another admin already sets the global proxy 3503 // Return it to the caller. 3504 return component; 3505 } 3506 } 3507 3508 // If the user is not the owner, don't set the global proxy. Fail silently. 3509 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3510 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 3511 + UserHandle.getCallingUserId() + " is not permitted."); 3512 return null; 3513 } 3514 if (proxySpec == null) { 3515 admin.specifiesGlobalProxy = false; 3516 admin.globalProxySpec = null; 3517 admin.globalProxyExclusionList = null; 3518 } else { 3519 3520 admin.specifiesGlobalProxy = true; 3521 admin.globalProxySpec = proxySpec; 3522 admin.globalProxyExclusionList = exclusionList; 3523 } 3524 3525 // Reset the global proxy accordingly 3526 // Do this using system permissions, as apps cannot write to secure settings 3527 long origId = Binder.clearCallingIdentity(); 3528 try { 3529 resetGlobalProxyLocked(policy); 3530 } finally { 3531 Binder.restoreCallingIdentity(origId); 3532 } 3533 return null; 3534 } 3535 } 3536 3537 public ComponentName getGlobalProxyAdmin(int userHandle) { 3538 if (!mHasFeature) { 3539 return null; 3540 } 3541 enforceCrossUserPermission(userHandle); 3542 synchronized(this) { 3543 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3544 // Scan through active admins and find if anyone has already 3545 // set the global proxy. 3546 final int N = policy.mAdminList.size(); 3547 for (int i = 0; i < N; i++) { 3548 ActiveAdmin ap = policy.mAdminList.get(i); 3549 if (ap.specifiesGlobalProxy) { 3550 // Device admin sets the global proxy 3551 // Return it to the caller. 3552 return ap.info.getComponent(); 3553 } 3554 } 3555 } 3556 // No device admin sets the global proxy. 3557 return null; 3558 } 3559 3560 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 3561 synchronized (this) { 3562 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3563 } 3564 long token = Binder.clearCallingIdentity(); 3565 try { 3566 ConnectivityManager connectivityManager = (ConnectivityManager) 3567 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 3568 connectivityManager.setGlobalProxy(proxyInfo); 3569 } finally { 3570 Binder.restoreCallingIdentity(token); 3571 } 3572 } 3573 3574 private void resetGlobalProxyLocked(DevicePolicyData policy) { 3575 final int N = policy.mAdminList.size(); 3576 for (int i = 0; i < N; i++) { 3577 ActiveAdmin ap = policy.mAdminList.get(i); 3578 if (ap.specifiesGlobalProxy) { 3579 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 3580 return; 3581 } 3582 } 3583 // No device admins defining global proxies - reset global proxy settings to none 3584 saveGlobalProxyLocked(null, null); 3585 } 3586 3587 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 3588 if (exclusionList == null) { 3589 exclusionList = ""; 3590 } 3591 if (proxySpec == null) { 3592 proxySpec = ""; 3593 } 3594 // Remove white spaces 3595 proxySpec = proxySpec.trim(); 3596 String data[] = proxySpec.split(":"); 3597 int proxyPort = 8080; 3598 if (data.length > 1) { 3599 try { 3600 proxyPort = Integer.parseInt(data[1]); 3601 } catch (NumberFormatException e) {} 3602 } 3603 exclusionList = exclusionList.trim(); 3604 ContentResolver res = mContext.getContentResolver(); 3605 3606 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 3607 if (!proxyProperties.isValid()) { 3608 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 3609 return; 3610 } 3611 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 3612 Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 3613 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 3614 exclusionList); 3615 } 3616 3617 /** 3618 * Set the storage encryption request for a single admin. Returns the new total request 3619 * status (for all admins). 3620 */ 3621 public int setStorageEncryption(ComponentName who, boolean encrypt) { 3622 if (!mHasFeature) { 3623 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3624 } 3625 Preconditions.checkNotNull(who, "ComponentName is null"); 3626 final int userHandle = UserHandle.getCallingUserId(); 3627 synchronized (this) { 3628 // Check for permissions 3629 // Only owner can set storage encryption 3630 if (userHandle != UserHandle.USER_OWNER 3631 || UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3632 Slog.w(LOG_TAG, "Only owner is allowed to set storage encryption. User " 3633 + UserHandle.getCallingUserId() + " is not permitted."); 3634 return 0; 3635 } 3636 3637 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3638 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 3639 3640 // Quick exit: If the filesystem does not support encryption, we can exit early. 3641 if (!isEncryptionSupported()) { 3642 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3643 } 3644 3645 // (1) Record the value for the admin so it's sticky 3646 if (ap.encryptionRequested != encrypt) { 3647 ap.encryptionRequested = encrypt; 3648 saveSettingsLocked(userHandle); 3649 } 3650 3651 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3652 // (2) Compute "max" for all admins 3653 boolean newRequested = false; 3654 final int N = policy.mAdminList.size(); 3655 for (int i = 0; i < N; i++) { 3656 newRequested |= policy.mAdminList.get(i).encryptionRequested; 3657 } 3658 3659 // Notify OS of new request 3660 setEncryptionRequested(newRequested); 3661 3662 // Return the new global request status 3663 return newRequested 3664 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3665 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3666 } 3667 } 3668 3669 /** 3670 * Get the current storage encryption request status for a given admin, or aggregate of all 3671 * active admins. 3672 */ 3673 public boolean getStorageEncryption(ComponentName who, int userHandle) { 3674 if (!mHasFeature) { 3675 return false; 3676 } 3677 enforceCrossUserPermission(userHandle); 3678 synchronized (this) { 3679 // Check for permissions if a particular caller is specified 3680 if (who != null) { 3681 // When checking for a single caller, status is based on caller's request 3682 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 3683 return ap != null ? ap.encryptionRequested : false; 3684 } 3685 3686 // If no particular caller is specified, return the aggregate set of requests. 3687 // This is short circuited by returning true on the first hit. 3688 DevicePolicyData policy = getUserData(userHandle); 3689 final int N = policy.mAdminList.size(); 3690 for (int i = 0; i < N; i++) { 3691 if (policy.mAdminList.get(i).encryptionRequested) { 3692 return true; 3693 } 3694 } 3695 return false; 3696 } 3697 } 3698 3699 /** 3700 * Get the current encryption status of the device. 3701 */ 3702 public int getStorageEncryptionStatus(int userHandle) { 3703 if (!mHasFeature) { 3704 // Ok to return current status. 3705 } 3706 enforceCrossUserPermission(userHandle); 3707 return getEncryptionStatus(); 3708 } 3709 3710 /** 3711 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 3712 */ 3713 private boolean isEncryptionSupported() { 3714 // Note, this can be implemented as 3715 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3716 // But is provided as a separate internal method if there's a faster way to do a 3717 // simple check for supported-or-not. 3718 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3719 } 3720 3721 /** 3722 * Hook to low-levels: Reporting the current status of encryption. 3723 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 3724 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 3725 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, or 3726 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 3727 */ 3728 private int getEncryptionStatus() { 3729 String status = SystemProperties.get("ro.crypto.state", "unsupported"); 3730 if ("encrypted".equalsIgnoreCase(status)) { 3731 final long token = Binder.clearCallingIdentity(); 3732 try { 3733 return LockPatternUtils.isDeviceEncrypted() 3734 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3735 : DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 3736 } finally { 3737 Binder.restoreCallingIdentity(token); 3738 } 3739 } else if ("unencrypted".equalsIgnoreCase(status)) { 3740 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3741 } else { 3742 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3743 } 3744 } 3745 3746 /** 3747 * Hook to low-levels: If needed, record the new admin setting for encryption. 3748 */ 3749 private void setEncryptionRequested(boolean encrypt) { 3750 } 3751 3752 3753 /** 3754 * Set whether the screen capture is disabled for the user managed by the specified admin. 3755 */ 3756 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 3757 if (!mHasFeature) { 3758 return; 3759 } 3760 Preconditions.checkNotNull(who, "ComponentName is null"); 3761 final int userHandle = UserHandle.getCallingUserId(); 3762 synchronized (this) { 3763 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3764 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3765 if (ap.disableScreenCapture != disabled) { 3766 ap.disableScreenCapture = disabled; 3767 saveSettingsLocked(userHandle); 3768 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 3769 } 3770 } 3771 } 3772 3773 /** 3774 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 3775 * active admin (if given admin is null). 3776 */ 3777 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 3778 if (!mHasFeature) { 3779 return false; 3780 } 3781 synchronized (this) { 3782 if (who != null) { 3783 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3784 return (admin != null) ? admin.disableScreenCapture : false; 3785 } 3786 3787 DevicePolicyData policy = getUserData(userHandle); 3788 final int N = policy.mAdminList.size(); 3789 for (int i = 0; i < N; i++) { 3790 ActiveAdmin admin = policy.mAdminList.get(i); 3791 if (admin.disableScreenCapture) { 3792 return true; 3793 } 3794 } 3795 return false; 3796 } 3797 } 3798 3799 private void updateScreenCaptureDisabledInWindowManager(int userHandle, boolean disabled) { 3800 long ident = Binder.clearCallingIdentity(); 3801 try { 3802 getWindowManager().setScreenCaptureDisabled(userHandle, disabled); 3803 } catch (RemoteException e) { 3804 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 3805 } finally { 3806 Binder.restoreCallingIdentity(ident); 3807 } 3808 } 3809 3810 /** 3811 * Set whether auto time is required by the specified admin (must be device owner). 3812 */ 3813 public void setAutoTimeRequired(ComponentName who, boolean required) { 3814 if (!mHasFeature) { 3815 return; 3816 } 3817 Preconditions.checkNotNull(who, "ComponentName is null"); 3818 final int userHandle = UserHandle.getCallingUserId(); 3819 synchronized (this) { 3820 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3821 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3822 if (admin.requireAutoTime != required) { 3823 admin.requireAutoTime = required; 3824 saveSettingsLocked(userHandle); 3825 } 3826 } 3827 3828 // Turn AUTO_TIME on in settings if it is required 3829 if (required) { 3830 long ident = Binder.clearCallingIdentity(); 3831 try { 3832 Settings.Global.putInt(mContext.getContentResolver(), 3833 Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 3834 } finally { 3835 Binder.restoreCallingIdentity(ident); 3836 } 3837 } 3838 } 3839 3840 /** 3841 * Returns whether or not auto time is required by the device owner. 3842 */ 3843 public boolean getAutoTimeRequired() { 3844 if (!mHasFeature) { 3845 return false; 3846 } 3847 synchronized (this) { 3848 ActiveAdmin deviceOwner = getDeviceOwnerAdmin(); 3849 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 3850 } 3851 } 3852 3853 /** 3854 * The system property used to share the state of the camera. The native camera service 3855 * is expected to read this property and act accordingly. The userId should be appended 3856 * to this key. 3857 */ 3858 public static final String SYSTEM_PROP_DISABLE_CAMERA_PREFIX = "sys.secpolicy.camera.off_"; 3859 3860 /** 3861 * Disables all device cameras according to the specified admin. 3862 */ 3863 public void setCameraDisabled(ComponentName who, boolean disabled) { 3864 if (!mHasFeature) { 3865 return; 3866 } 3867 Preconditions.checkNotNull(who, "ComponentName is null"); 3868 final int userHandle = UserHandle.getCallingUserId(); 3869 synchronized (this) { 3870 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3871 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 3872 if (ap.disableCamera != disabled) { 3873 ap.disableCamera = disabled; 3874 saveSettingsLocked(userHandle); 3875 } 3876 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3877 } 3878 } 3879 3880 /** 3881 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 3882 * active admins. 3883 */ 3884 public boolean getCameraDisabled(ComponentName who, int userHandle) { 3885 if (!mHasFeature) { 3886 return false; 3887 } 3888 synchronized (this) { 3889 if (who != null) { 3890 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3891 return (admin != null) ? admin.disableCamera : false; 3892 } 3893 3894 DevicePolicyData policy = getUserData(userHandle); 3895 // Determine whether or not the device camera is disabled for any active admins. 3896 final int N = policy.mAdminList.size(); 3897 for (int i = 0; i < N; i++) { 3898 ActiveAdmin admin = policy.mAdminList.get(i); 3899 if (admin.disableCamera) { 3900 return true; 3901 } 3902 } 3903 return false; 3904 } 3905 } 3906 3907 /** 3908 * Selectively disable keyguard features. 3909 */ 3910 public void setKeyguardDisabledFeatures(ComponentName who, int which) { 3911 if (!mHasFeature) { 3912 return; 3913 } 3914 Preconditions.checkNotNull(who, "ComponentName is null"); 3915 final int userHandle = UserHandle.getCallingUserId(); 3916 enforceNotManagedProfile(userHandle, "disable keyguard features"); 3917 synchronized (this) { 3918 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3919 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 3920 if (ap.disabledKeyguardFeatures != which) { 3921 ap.disabledKeyguardFeatures = which; 3922 saveSettingsLocked(userHandle); 3923 } 3924 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3925 } 3926 } 3927 3928 /** 3929 * Gets the disabled state for features in keyguard for the given admin, 3930 * or the aggregate of all active admins if who is null. 3931 */ 3932 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { 3933 if (!mHasFeature) { 3934 return 0; 3935 } 3936 enforceCrossUserPermission(userHandle); 3937 synchronized (this) { 3938 if (who != null) { 3939 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3940 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 3941 } 3942 3943 // Determine which keyguard features are disabled for any active admins. 3944 DevicePolicyData policy = getUserData(userHandle); 3945 final int N = policy.mAdminList.size(); 3946 int which = 0; 3947 for (int i = 0; i < N; i++) { 3948 ActiveAdmin admin = policy.mAdminList.get(i); 3949 which |= admin.disabledKeyguardFeatures; 3950 } 3951 return which; 3952 } 3953 } 3954 3955 @Override 3956 public boolean setDeviceOwner(String packageName, String ownerName) { 3957 if (!mHasFeature) { 3958 return false; 3959 } 3960 if (packageName == null 3961 || !DeviceOwner.isInstalled(packageName, mContext.getPackageManager())) { 3962 throw new IllegalArgumentException("Invalid package name " + packageName 3963 + " for device owner"); 3964 } 3965 synchronized (this) { 3966 if (!allowedToSetDeviceOwnerOnDevice()) { 3967 throw new IllegalStateException( 3968 "Trying to set device owner but device is already provisioned."); 3969 } 3970 3971 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 3972 throw new IllegalStateException( 3973 "Trying to set device owner but device owner is already set."); 3974 } 3975 3976 // Shutting down backup manager service permanently. 3977 long ident = Binder.clearCallingIdentity(); 3978 try { 3979 IBackupManager ibm = IBackupManager.Stub.asInterface( 3980 ServiceManager.getService(Context.BACKUP_SERVICE)); 3981 ibm.setBackupServiceActive(UserHandle.USER_OWNER, false); 3982 } catch (RemoteException e) { 3983 throw new IllegalStateException("Failed deactivating backup service.", e); 3984 } finally { 3985 Binder.restoreCallingIdentity(ident); 3986 } 3987 3988 if (mDeviceOwner == null) { 3989 // Device owner is not set and does not exist, set it. 3990 mDeviceOwner = DeviceOwner.createWithDeviceOwner(packageName, ownerName); 3991 mDeviceOwner.writeOwnerFile(); 3992 return true; 3993 } else { 3994 // Device owner is not set but a profile owner exists, update Device owner state. 3995 mDeviceOwner.setDeviceOwner(packageName, ownerName); 3996 mDeviceOwner.writeOwnerFile(); 3997 return true; 3998 } 3999 } 4000 } 4001 4002 @Override 4003 public boolean isDeviceOwner(String packageName) { 4004 if (!mHasFeature) { 4005 return false; 4006 } 4007 synchronized (this) { 4008 return mDeviceOwner != null 4009 && mDeviceOwner.hasDeviceOwner() 4010 && mDeviceOwner.getDeviceOwnerPackageName().equals(packageName); 4011 } 4012 } 4013 4014 @Override 4015 public String getDeviceOwner() { 4016 if (!mHasFeature) { 4017 return null; 4018 } 4019 synchronized (this) { 4020 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 4021 return mDeviceOwner.getDeviceOwnerPackageName(); 4022 } 4023 } 4024 return null; 4025 } 4026 4027 @Override 4028 public String getDeviceOwnerName() { 4029 if (!mHasFeature) { 4030 return null; 4031 } 4032 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4033 synchronized (this) { 4034 if (mDeviceOwner != null) { 4035 return mDeviceOwner.getDeviceOwnerName(); 4036 } 4037 } 4038 return null; 4039 } 4040 4041 // Returns the active device owner or null if there is no device owner. 4042 private ActiveAdmin getDeviceOwnerAdmin() { 4043 String deviceOwnerPackageName = getDeviceOwner(); 4044 if (deviceOwnerPackageName == null) { 4045 return null; 4046 } 4047 4048 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 4049 final int n = policy.mAdminList.size(); 4050 for (int i = 0; i < n; i++) { 4051 ActiveAdmin admin = policy.mAdminList.get(i); 4052 if (deviceOwnerPackageName.equals(admin.info.getPackageName())) { 4053 return admin; 4054 } 4055 } 4056 return null; 4057 } 4058 4059 @Override 4060 public void clearDeviceOwner(String packageName) { 4061 Preconditions.checkNotNull(packageName, "packageName is null"); 4062 try { 4063 int uid = mContext.getPackageManager().getPackageUid(packageName, 0); 4064 if (uid != Binder.getCallingUid()) { 4065 throw new SecurityException("Invalid packageName"); 4066 } 4067 } catch (NameNotFoundException e) { 4068 throw new SecurityException(e); 4069 } 4070 if (!isDeviceOwner(packageName)) { 4071 throw new SecurityException("clearDeviceOwner can only be called by the device owner"); 4072 } 4073 synchronized (this) { 4074 long ident = Binder.clearCallingIdentity(); 4075 try { 4076 clearUserRestrictions(new UserHandle(UserHandle.USER_OWNER)); 4077 if (mDeviceOwner != null) { 4078 mDeviceOwner.clearDeviceOwner(); 4079 mDeviceOwner.writeOwnerFile(); 4080 } 4081 } finally { 4082 Binder.restoreCallingIdentity(ident); 4083 } 4084 } 4085 } 4086 4087 @Override 4088 public boolean setDeviceInitializer(ComponentName who, ComponentName initializer, 4089 String ownerName) { 4090 if (!mHasFeature) { 4091 return false; 4092 } 4093 if (initializer == null || !DeviceOwner.isInstalled( 4094 initializer.getPackageName(), mContext.getPackageManager())) { 4095 throw new IllegalArgumentException("Invalid component name " + initializer 4096 + " for device initializer"); 4097 } 4098 synchronized (this) { 4099 enforceCanSetDeviceInitializer(who); 4100 4101 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4102 throw new IllegalStateException( 4103 "Trying to set device initializer but device initializer is already set."); 4104 } 4105 4106 if (mDeviceOwner == null) { 4107 // Device owner state does not exist, create it. 4108 mDeviceOwner = DeviceOwner.createWithDeviceInitializer( 4109 initializer, ownerName); 4110 mDeviceOwner.writeOwnerFile(); 4111 return true; 4112 } else { 4113 // Device owner already exists, update it. 4114 mDeviceOwner.setDeviceInitializer(initializer, ownerName); 4115 mDeviceOwner.writeOwnerFile(); 4116 return true; 4117 } 4118 } 4119 } 4120 4121 private void enforceCanSetDeviceInitializer(ComponentName who) { 4122 if (who == null) { 4123 mContext.enforceCallingOrSelfPermission( 4124 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 4125 if (hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4126 throw new IllegalStateException( 4127 "Trying to set device initializer but device is already provisioned."); 4128 } 4129 } else { 4130 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4131 } 4132 } 4133 4134 @Override 4135 public boolean isDeviceInitializer(String packageName) { 4136 if (!mHasFeature) { 4137 return false; 4138 } 4139 synchronized (this) { 4140 return mDeviceOwner != null 4141 && mDeviceOwner.hasDeviceInitializer() 4142 && mDeviceOwner.getDeviceInitializerPackageName().equals(packageName); 4143 } 4144 } 4145 4146 @Override 4147 public String getDeviceInitializer() { 4148 if (!mHasFeature) { 4149 return null; 4150 } 4151 synchronized (this) { 4152 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4153 return mDeviceOwner.getDeviceInitializerPackageName(); 4154 } 4155 } 4156 return null; 4157 } 4158 4159 @Override 4160 public ComponentName getDeviceInitializerComponent() { 4161 if (!mHasFeature) { 4162 return null; 4163 } 4164 synchronized (this) { 4165 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4166 return mDeviceOwner.getDeviceInitializerComponent(); 4167 } 4168 } 4169 return null; 4170 } 4171 4172 @Override 4173 public void clearDeviceInitializer(ComponentName who) { 4174 if (!mHasFeature) { 4175 return; 4176 } 4177 Preconditions.checkNotNull(who, "ComponentName is null"); 4178 4179 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, UserHandle.getCallingUserId()); 4180 4181 if (admin.getUid() != Binder.getCallingUid()) { 4182 throw new SecurityException("Admin " + who + " is not owned by uid " 4183 + Binder.getCallingUid()); 4184 } 4185 4186 if (!isDeviceInitializer(admin.info.getPackageName()) 4187 && !isDeviceOwner(admin.info.getPackageName())) { 4188 throw new SecurityException( 4189 "clearDeviceInitializer can only be called by the device initializer/owner"); 4190 } 4191 synchronized (this) { 4192 long ident = Binder.clearCallingIdentity(); 4193 try { 4194 if (mDeviceOwner != null) { 4195 mDeviceOwner.clearDeviceInitializer(); 4196 mDeviceOwner.writeOwnerFile(); 4197 } 4198 } finally { 4199 Binder.restoreCallingIdentity(ident); 4200 } 4201 } 4202 } 4203 4204 @Override 4205 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 4206 if (!mHasFeature) { 4207 return false; 4208 } 4209 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4210 4211 UserInfo info = mUserManager.getUserInfo(userHandle); 4212 if (info == null) { 4213 // User doesn't exist. 4214 throw new IllegalArgumentException( 4215 "Attempted to set profile owner for invalid userId: " + userHandle); 4216 } 4217 if (info.isGuest()) { 4218 throw new IllegalStateException("Cannot set a profile owner on a guest"); 4219 } 4220 4221 if (who == null 4222 || !DeviceOwner.isInstalledForUser(who.getPackageName(), userHandle)) { 4223 throw new IllegalArgumentException("Component " + who 4224 + " not installed for userId:" + userHandle); 4225 } 4226 synchronized (this) { 4227 // Only SYSTEM_UID can override the userSetupComplete 4228 if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID 4229 && hasUserSetupCompleted(userHandle)) { 4230 throw new IllegalStateException( 4231 "Trying to set profile owner but user is already set-up."); 4232 } 4233 4234 if (mDeviceOwner == null) { 4235 // Device owner state does not exist, create it. 4236 mDeviceOwner = DeviceOwner.createWithProfileOwner(who, ownerName, 4237 userHandle); 4238 mDeviceOwner.writeOwnerFile(); 4239 return true; 4240 } else { 4241 // Device owner already exists, update it. 4242 mDeviceOwner.setProfileOwner(who, ownerName, userHandle); 4243 mDeviceOwner.writeOwnerFile(); 4244 return true; 4245 } 4246 } 4247 } 4248 4249 @Override 4250 public void clearProfileOwner(ComponentName who) { 4251 if (!mHasFeature) { 4252 return; 4253 } 4254 UserHandle callingUser = Binder.getCallingUserHandle(); 4255 // Check if this is the profile owner who is calling 4256 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4257 synchronized (this) { 4258 long ident = Binder.clearCallingIdentity(); 4259 try { 4260 clearUserRestrictions(callingUser); 4261 if (mDeviceOwner != null) { 4262 mDeviceOwner.removeProfileOwner(callingUser.getIdentifier()); 4263 mDeviceOwner.writeOwnerFile(); 4264 } 4265 } finally { 4266 Binder.restoreCallingIdentity(ident); 4267 } 4268 } 4269 } 4270 4271 private void clearUserRestrictions(UserHandle userHandle) { 4272 AudioManager audioManager = 4273 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 4274 Bundle userRestrictions = mUserManager.getUserRestrictions(); 4275 mUserManager.setUserRestrictions(new Bundle(), userHandle); 4276 if (userRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)) { 4277 audioManager.setMasterMute(false, 0); 4278 } 4279 if (userRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE)) { 4280 audioManager.setMicrophoneMute(false); 4281 } 4282 } 4283 4284 @Override 4285 public boolean hasUserSetupCompleted() { 4286 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 4287 } 4288 4289 private boolean hasUserSetupCompleted(int userHandle) { 4290 if (!mHasFeature) { 4291 return true; 4292 } 4293 DevicePolicyData policy = getUserData(userHandle); 4294 // If policy is null, return true, else check if the setup has completed. 4295 return policy == null || policy.mUserSetupComplete; 4296 } 4297 4298 @Override 4299 public boolean setUserEnabled(ComponentName who) { 4300 if (!mHasFeature) { 4301 return false; 4302 } 4303 synchronized (this) { 4304 if (who == null) { 4305 throw new NullPointerException("ComponentName is null"); 4306 } 4307 int userId = UserHandle.getCallingUserId(); 4308 4309 ActiveAdmin activeAdmin = 4310 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4311 if (!isDeviceInitializer(activeAdmin.info.getPackageName())) { 4312 throw new SecurityException( 4313 "This method can only be called by device initializers"); 4314 } 4315 4316 long id = Binder.clearCallingIdentity(); 4317 try { 4318 if (!isDeviceOwner(activeAdmin.info.getPackageName())) { 4319 IPackageManager ipm = AppGlobals.getPackageManager(); 4320 ipm.setComponentEnabledSetting(who, 4321 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 4322 PackageManager.DONT_KILL_APP, userId); 4323 4324 removeActiveAdmin(who, userId); 4325 } 4326 4327 if (userId == UserHandle.USER_OWNER) { 4328 Settings.Global.putInt(mContext.getContentResolver(), 4329 Settings.Global.DEVICE_PROVISIONED, 1); 4330 } 4331 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4332 Settings.Secure.USER_SETUP_COMPLETE, 1, userId); 4333 } catch (RemoteException e) { 4334 Log.i(LOG_TAG, "Can't talk to package manager", e); 4335 return false; 4336 } finally { 4337 restoreCallingIdentity(id); 4338 } 4339 return true; 4340 } 4341 } 4342 4343 @Override 4344 public void setProfileEnabled(ComponentName who) { 4345 if (!mHasFeature) { 4346 return; 4347 } 4348 Preconditions.checkNotNull(who, "ComponentName is null"); 4349 final int userHandle = UserHandle.getCallingUserId(); 4350 synchronized (this) { 4351 // Check if this is the profile owner who is calling 4352 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4353 int userId = UserHandle.getCallingUserId(); 4354 4355 long id = Binder.clearCallingIdentity(); 4356 try { 4357 mUserManager.setUserEnabled(userId); 4358 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 4359 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userHandle)); 4360 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 4361 Intent.FLAG_RECEIVER_FOREGROUND); 4362 // TODO This should send to parent of profile (which is always owner at the moment). 4363 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 4364 } finally { 4365 restoreCallingIdentity(id); 4366 } 4367 } 4368 } 4369 4370 @Override 4371 public void setProfileName(ComponentName who, String profileName) { 4372 Preconditions.checkNotNull(who, "ComponentName is null"); 4373 int userId = UserHandle.getCallingUserId(); 4374 // Check if this is the profile owner (includes device owner). 4375 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4376 4377 long id = Binder.clearCallingIdentity(); 4378 try { 4379 mUserManager.setUserName(userId, profileName); 4380 } finally { 4381 restoreCallingIdentity(id); 4382 } 4383 } 4384 4385 @Override 4386 public ComponentName getProfileOwner(int userHandle) { 4387 if (!mHasFeature) { 4388 return null; 4389 } 4390 4391 synchronized (this) { 4392 if (mDeviceOwner != null) { 4393 return mDeviceOwner.getProfileOwnerComponent(userHandle); 4394 } 4395 } 4396 return null; 4397 } 4398 4399 // Returns the active profile owner for this user or null if the current user has no 4400 // profile owner. 4401 private ActiveAdmin getProfileOwnerAdmin(int userHandle) { 4402 ComponentName profileOwner = 4403 mDeviceOwner != null ? mDeviceOwner.getProfileOwnerComponent(userHandle) : null; 4404 if (profileOwner == null) { 4405 return null; 4406 } 4407 4408 DevicePolicyData policy = getUserData(userHandle); 4409 final int n = policy.mAdminList.size(); 4410 for (int i = 0; i < n; i++) { 4411 ActiveAdmin admin = policy.mAdminList.get(i); 4412 if (profileOwner.equals(admin.info.getComponent())) { 4413 return admin; 4414 } 4415 } 4416 return null; 4417 } 4418 4419 @Override 4420 public String getProfileOwnerName(int userHandle) { 4421 if (!mHasFeature) { 4422 return null; 4423 } 4424 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4425 4426 synchronized (this) { 4427 if (mDeviceOwner != null) { 4428 return mDeviceOwner.getProfileOwnerName(userHandle); 4429 } 4430 } 4431 return null; 4432 } 4433 4434 /** 4435 * Device owner can only be set on an unprovisioned device. However, if initiated via "adb", 4436 * we also allow it if no accounts or additional users are present on the device. 4437 */ 4438 private boolean allowedToSetDeviceOwnerOnDevice() { 4439 if (!hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4440 return true; 4441 } 4442 4443 int callingId = Binder.getCallingUid(); 4444 return (callingId == Process.SHELL_UID || callingId == Process.ROOT_UID) 4445 && mUserManager.getUserCount() == 1 4446 && AccountManager.get(mContext).getAccounts().length == 0; 4447 } 4448 4449 private void enforceCrossUserPermission(int userHandle) { 4450 if (userHandle < 0) { 4451 throw new IllegalArgumentException("Invalid userId " + userHandle); 4452 } 4453 final int callingUid = Binder.getCallingUid(); 4454 if (userHandle == UserHandle.getUserId(callingUid)) return; 4455 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4456 mContext.enforceCallingOrSelfPermission( 4457 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "Must be system or have" 4458 + " INTERACT_ACROSS_USERS_FULL permission"); 4459 } 4460 } 4461 4462 private void enforceSystemProcess(String message) { 4463 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4464 throw new SecurityException(message); 4465 } 4466 } 4467 4468 private void enforceNotManagedProfile(int userHandle, String message) { 4469 if(isManagedProfile(userHandle)) { 4470 throw new SecurityException("You can not " + message + " for a managed profile. "); 4471 } 4472 } 4473 4474 private UserInfo getProfileParent(int userHandle) { 4475 long ident = Binder.clearCallingIdentity(); 4476 try { 4477 return mUserManager.getProfileParent(userHandle); 4478 } finally { 4479 Binder.restoreCallingIdentity(ident); 4480 } 4481 } 4482 4483 private boolean isManagedProfile(int userHandle) { 4484 long ident = Binder.clearCallingIdentity(); 4485 try { 4486 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 4487 } finally { 4488 Binder.restoreCallingIdentity(ident); 4489 } 4490 } 4491 4492 private void enableIfNecessary(String packageName, int userId) { 4493 try { 4494 IPackageManager ipm = AppGlobals.getPackageManager(); 4495 ApplicationInfo ai = ipm.getApplicationInfo(packageName, 4496 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 4497 userId); 4498 if (ai.enabledSetting 4499 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 4500 ipm.setApplicationEnabledSetting(packageName, 4501 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 4502 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 4503 } 4504 } catch (RemoteException e) { 4505 } 4506 } 4507 4508 @Override 4509 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4510 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4511 != PackageManager.PERMISSION_GRANTED) { 4512 4513 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 4514 + Binder.getCallingPid() 4515 + ", uid=" + Binder.getCallingUid()); 4516 return; 4517 } 4518 4519 final Printer p = new PrintWriterPrinter(pw); 4520 4521 synchronized (this) { 4522 p.println("Current Device Policy Manager state:"); 4523 if (mDeviceOwner != null) { 4524 mDeviceOwner.dump(" ", pw); 4525 } 4526 int userCount = mUserData.size(); 4527 for (int u = 0; u < userCount; u++) { 4528 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 4529 p.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); 4530 final int N = policy.mAdminList.size(); 4531 for (int i=0; i<N; i++) { 4532 ActiveAdmin ap = policy.mAdminList.get(i); 4533 if (ap != null) { 4534 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 4535 pw.println(":"); 4536 ap.dump(" ", pw); 4537 } 4538 } 4539 if (!policy.mRemovingAdmins.isEmpty()) { 4540 p.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 4541 + policy.mRemovingAdmins); 4542 } 4543 4544 pw.println(" "); 4545 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 4546 } 4547 } 4548 } 4549 4550 @Override 4551 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 4552 ComponentName activity) { 4553 Preconditions.checkNotNull(who, "ComponentName is null"); 4554 final int userHandle = UserHandle.getCallingUserId(); 4555 synchronized (this) { 4556 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4557 4558 IPackageManager pm = AppGlobals.getPackageManager(); 4559 long id = Binder.clearCallingIdentity(); 4560 try { 4561 pm.addPersistentPreferredActivity(filter, activity, userHandle); 4562 } catch (RemoteException re) { 4563 // Shouldn't happen 4564 } finally { 4565 restoreCallingIdentity(id); 4566 } 4567 } 4568 } 4569 4570 @Override 4571 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 4572 Preconditions.checkNotNull(who, "ComponentName is null"); 4573 final int userHandle = UserHandle.getCallingUserId(); 4574 synchronized (this) { 4575 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4576 4577 IPackageManager pm = AppGlobals.getPackageManager(); 4578 long id = Binder.clearCallingIdentity(); 4579 try { 4580 pm.clearPackagePersistentPreferredActivities(packageName, userHandle); 4581 } catch (RemoteException re) { 4582 // Shouldn't happen 4583 } finally { 4584 restoreCallingIdentity(id); 4585 } 4586 } 4587 } 4588 4589 @Override 4590 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 4591 Preconditions.checkNotNull(who, "ComponentName is null"); 4592 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4593 synchronized (this) { 4594 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4595 4596 long id = Binder.clearCallingIdentity(); 4597 try { 4598 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 4599 } finally { 4600 restoreCallingIdentity(id); 4601 } 4602 } 4603 } 4604 4605 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 4606 PersistableBundle args) { 4607 if (!mHasFeature) { 4608 return; 4609 } 4610 Preconditions.checkNotNull(admin, "admin is null"); 4611 Preconditions.checkNotNull(agent, "agent is null"); 4612 final int userHandle = UserHandle.getCallingUserId(); 4613 enforceNotManagedProfile(userHandle, "set trust agent configuration"); 4614 synchronized (this) { 4615 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 4616 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4617 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 4618 saveSettingsLocked(userHandle); 4619 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4620 } 4621 } 4622 4623 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 4624 ComponentName agent, int userHandle) { 4625 if (!mHasFeature) { 4626 return null; 4627 } 4628 Preconditions.checkNotNull(agent, "agent null"); 4629 enforceCrossUserPermission(userHandle); 4630 4631 synchronized (this) { 4632 final String componentName = agent.flattenToString(); 4633 if (admin != null) { 4634 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 4635 if (ap == null) return null; 4636 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 4637 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 4638 List<PersistableBundle> result = new ArrayList<PersistableBundle>(); 4639 result.add(trustAgentInfo.options); 4640 return result; 4641 } 4642 4643 // Return strictest policy for this user and profiles that are visible from this user. 4644 final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 4645 List<PersistableBundle> result = null; 4646 4647 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 4648 // of the options. If any admin doesn't have options, discard options for the rest 4649 // and return null. 4650 boolean allAdminsHaveOptions = true; 4651 for (UserInfo userInfo : profiles) { 4652 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 4653 final int N = policy.mAdminList.size(); 4654 for (int i=0; i < N; i++) { 4655 final ActiveAdmin active = policy.mAdminList.get(i); 4656 final boolean disablesTrust = (active.disabledKeyguardFeatures 4657 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 4658 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 4659 if (info != null && info.options != null && !info.options.isEmpty()) { 4660 if (disablesTrust) { 4661 if (result == null) { 4662 result = new ArrayList<PersistableBundle>(); 4663 } 4664 result.add(info.options); 4665 } else { 4666 Log.w(LOG_TAG, "Ignoring admin " + active.info 4667 + " because it has trust options but doesn't declare " 4668 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 4669 } 4670 } else if (disablesTrust) { 4671 allAdminsHaveOptions = false; 4672 break; 4673 } 4674 } 4675 } 4676 return allAdminsHaveOptions ? result : null; 4677 } 4678 } 4679 4680 @Override 4681 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 4682 Preconditions.checkNotNull(who, "ComponentName is null"); 4683 synchronized (this) { 4684 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4685 4686 int userHandle = UserHandle.getCallingUserId(); 4687 DevicePolicyData userData = getUserData(userHandle); 4688 userData.mRestrictionsProvider = permissionProvider; 4689 saveSettingsLocked(userHandle); 4690 } 4691 } 4692 4693 @Override 4694 public ComponentName getRestrictionsProvider(int userHandle) { 4695 synchronized (this) { 4696 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4697 throw new SecurityException("Only the system can query the permission provider"); 4698 } 4699 DevicePolicyData userData = getUserData(userHandle); 4700 return userData != null ? userData.mRestrictionsProvider : null; 4701 } 4702 } 4703 4704 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 4705 Preconditions.checkNotNull(who, "ComponentName is null"); 4706 int callingUserId = UserHandle.getCallingUserId(); 4707 synchronized (this) { 4708 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4709 4710 IPackageManager pm = AppGlobals.getPackageManager(); 4711 long id = Binder.clearCallingIdentity(); 4712 try { 4713 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 4714 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), callingUserId, 4715 UserHandle.USER_OWNER, 0); 4716 } 4717 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 4718 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4719 UserHandle.USER_OWNER, callingUserId, 0); 4720 } 4721 } catch (RemoteException re) { 4722 // Shouldn't happen 4723 } finally { 4724 restoreCallingIdentity(id); 4725 } 4726 } 4727 } 4728 4729 public void clearCrossProfileIntentFilters(ComponentName who) { 4730 Preconditions.checkNotNull(who, "ComponentName is null"); 4731 int callingUserId = UserHandle.getCallingUserId(); 4732 synchronized (this) { 4733 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4734 IPackageManager pm = AppGlobals.getPackageManager(); 4735 long id = Binder.clearCallingIdentity(); 4736 try { 4737 // Removing those that go from the managed profile to the primary user. 4738 pm.clearCrossProfileIntentFilters(callingUserId, who.getPackageName()); 4739 // And those that go from the primary user to the managed profile. 4740 // If we want to support multiple managed profiles, we will have to only remove 4741 // those that have callingUserId as their target. 4742 pm.clearCrossProfileIntentFilters(UserHandle.USER_OWNER, who.getPackageName()); 4743 } catch (RemoteException re) { 4744 // Shouldn't happen 4745 } finally { 4746 restoreCallingIdentity(id); 4747 } 4748 } 4749 } 4750 4751 /** 4752 * @return true if all packages in enabledPackages are either in the list 4753 * permittedList or are a system app. 4754 */ 4755 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 4756 List<String> permittedList) { 4757 int userIdToCheck = UserHandle.getCallingUserId(); 4758 long id = Binder.clearCallingIdentity(); 4759 try { 4760 // If we have an enabled packages list for a managed profile the packages 4761 // we should check are installed for the parent user. 4762 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 4763 if (user.isManagedProfile()) { 4764 userIdToCheck = user.profileGroupId; 4765 } 4766 4767 IPackageManager pm = AppGlobals.getPackageManager(); 4768 for (String enabledPackage : enabledPackages) { 4769 boolean systemService = false; 4770 try { 4771 ApplicationInfo applicationInfo = pm.getApplicationInfo(enabledPackage, 4772 PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 4773 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 4774 } catch (RemoteException e) { 4775 Log.i(LOG_TAG, "Can't talk to package managed", e); 4776 } 4777 if (!systemService && !permittedList.contains(enabledPackage)) { 4778 return false; 4779 } 4780 } 4781 } finally { 4782 restoreCallingIdentity(id); 4783 } 4784 return true; 4785 } 4786 4787 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 4788 // Not using AccessibilityManager.getInstance because that guesses 4789 // at the user you require based on callingUid and caches for a given 4790 // process. 4791 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 4792 IAccessibilityManager service = iBinder == null 4793 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 4794 return new AccessibilityManager(mContext, service, userId); 4795 } 4796 4797 @Override 4798 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 4799 if (!mHasFeature) { 4800 return false; 4801 } 4802 Preconditions.checkNotNull(who, "ComponentName is null"); 4803 4804 if (packageList != null) { 4805 int userId = UserHandle.getCallingUserId(); 4806 List<AccessibilityServiceInfo> enabledServices = null; 4807 long id = Binder.clearCallingIdentity(); 4808 try { 4809 UserInfo user = mUserManager.getUserInfo(userId); 4810 if (user.isManagedProfile()) { 4811 userId = user.profileGroupId; 4812 } 4813 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 4814 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 4815 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 4816 } finally { 4817 restoreCallingIdentity(id); 4818 } 4819 4820 if (enabledServices != null) { 4821 List<String> enabledPackages = new ArrayList<String>(); 4822 for (AccessibilityServiceInfo service : enabledServices) { 4823 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 4824 } 4825 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 4826 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 4827 + "because it contains already enabled accesibility services."); 4828 return false; 4829 } 4830 } 4831 } 4832 4833 synchronized (this) { 4834 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4835 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4836 admin.permittedAccessiblityServices = packageList; 4837 saveSettingsLocked(UserHandle.getCallingUserId()); 4838 } 4839 return true; 4840 } 4841 4842 @Override 4843 public List getPermittedAccessibilityServices(ComponentName who) { 4844 if (!mHasFeature) { 4845 return null; 4846 } 4847 Preconditions.checkNotNull(who, "ComponentName is null"); 4848 4849 synchronized (this) { 4850 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4851 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4852 return admin.permittedAccessiblityServices; 4853 } 4854 } 4855 4856 @Override 4857 public List getPermittedAccessibilityServicesForUser(int userId) { 4858 if (!mHasFeature) { 4859 return null; 4860 } 4861 synchronized (this) { 4862 List<String> result = null; 4863 // If we have multiple profiles we return the intersection of the 4864 // permitted lists. This can happen in cases where we have a device 4865 // and profile owner. 4866 List<UserInfo> profiles = mUserManager.getProfiles(userId); 4867 final int PROFILES_SIZE = profiles.size(); 4868 for (int i = 0; i < PROFILES_SIZE; ++i) { 4869 // Just loop though all admins, only device or profiles 4870 // owners can have permitted lists set. 4871 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 4872 final int N = policy.mAdminList.size(); 4873 for (int j = 0; j < N; j++) { 4874 ActiveAdmin admin = policy.mAdminList.get(j); 4875 List<String> fromAdmin = admin.permittedAccessiblityServices; 4876 if (fromAdmin != null) { 4877 if (result == null) { 4878 result = new ArrayList<String>(fromAdmin); 4879 } else { 4880 result.retainAll(fromAdmin); 4881 } 4882 } 4883 } 4884 } 4885 4886 // If we have a permitted list add all system accessibility services. 4887 if (result != null) { 4888 long id = Binder.clearCallingIdentity(); 4889 try { 4890 UserInfo user = mUserManager.getUserInfo(userId); 4891 if (user.isManagedProfile()) { 4892 userId = user.profileGroupId; 4893 } 4894 AccessibilityManager accessibilityManager = 4895 getAccessibilityManagerForUser(userId); 4896 List<AccessibilityServiceInfo> installedServices = 4897 accessibilityManager.getInstalledAccessibilityServiceList(); 4898 4899 IPackageManager pm = AppGlobals.getPackageManager(); 4900 if (installedServices != null) { 4901 for (AccessibilityServiceInfo service : installedServices) { 4902 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 4903 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 4904 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 4905 result.add(serviceInfo.packageName); 4906 } 4907 } 4908 } 4909 } finally { 4910 restoreCallingIdentity(id); 4911 } 4912 } 4913 4914 return result; 4915 } 4916 } 4917 4918 private boolean checkCallerIsCurrentUserOrProfile() { 4919 int callingUserId = UserHandle.getCallingUserId(); 4920 long token = Binder.clearCallingIdentity(); 4921 try { 4922 UserInfo currentUser; 4923 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 4924 try { 4925 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 4926 } catch (RemoteException e) { 4927 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 4928 return false; 4929 } 4930 4931 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 4932 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 4933 + "of a user that isn't the foreground user."); 4934 return false; 4935 } 4936 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 4937 Slog.e(LOG_TAG, "Cannot set permitted input methods " 4938 + "of a user that isn't the foreground user."); 4939 return false; 4940 } 4941 } finally { 4942 Binder.restoreCallingIdentity(token); 4943 } 4944 return true; 4945 } 4946 4947 @Override 4948 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 4949 if (!mHasFeature) { 4950 return false; 4951 } 4952 Preconditions.checkNotNull(who, "ComponentName is null"); 4953 4954 // TODO When InputMethodManager supports per user calls remove 4955 // this restriction. 4956 if (!checkCallerIsCurrentUserOrProfile()) { 4957 return false; 4958 } 4959 4960 if (packageList != null) { 4961 // InputMethodManager fetches input methods for current user. 4962 // So this can only be set when calling user is the current user 4963 // or parent is current user in case of managed profiles. 4964 InputMethodManager inputMethodManager = (InputMethodManager) mContext 4965 .getSystemService(Context.INPUT_METHOD_SERVICE); 4966 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 4967 4968 if (enabledImes != null) { 4969 List<String> enabledPackages = new ArrayList<String>(); 4970 for (InputMethodInfo ime : enabledImes) { 4971 enabledPackages.add(ime.getPackageName()); 4972 } 4973 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 4974 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 4975 + "because it contains already enabled input method."); 4976 return false; 4977 } 4978 } 4979 } 4980 4981 synchronized (this) { 4982 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4983 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4984 admin.permittedInputMethods = packageList; 4985 saveSettingsLocked(UserHandle.getCallingUserId()); 4986 } 4987 return true; 4988 } 4989 4990 @Override 4991 public List getPermittedInputMethods(ComponentName who) { 4992 if (!mHasFeature) { 4993 return null; 4994 } 4995 Preconditions.checkNotNull(who, "ComponentName is null"); 4996 4997 synchronized (this) { 4998 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4999 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5000 return admin.permittedInputMethods; 5001 } 5002 } 5003 5004 @Override 5005 public List getPermittedInputMethodsForCurrentUser() { 5006 UserInfo currentUser; 5007 try { 5008 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 5009 } catch (RemoteException e) { 5010 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 5011 // Activity managed is dead, just allow all IMEs 5012 return null; 5013 } 5014 5015 int userId = currentUser.id; 5016 synchronized (this) { 5017 List<String> result = null; 5018 // If we have multiple profiles we return the intersection of the 5019 // permitted lists. This can happen in cases where we have a device 5020 // and profile owner. 5021 List<UserInfo> profiles = mUserManager.getProfiles(userId); 5022 final int PROFILES_SIZE = profiles.size(); 5023 for (int i = 0; i < PROFILES_SIZE; ++i) { 5024 // Just loop though all admins, only device or profiles 5025 // owners can have permitted lists set. 5026 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 5027 final int N = policy.mAdminList.size(); 5028 for (int j = 0; j < N; j++) { 5029 ActiveAdmin admin = policy.mAdminList.get(j); 5030 List<String> fromAdmin = admin.permittedInputMethods; 5031 if (fromAdmin != null) { 5032 if (result == null) { 5033 result = new ArrayList<String>(fromAdmin); 5034 } else { 5035 result.retainAll(fromAdmin); 5036 } 5037 } 5038 } 5039 } 5040 5041 // If we have a permitted list add all system input methods. 5042 if (result != null) { 5043 InputMethodManager inputMethodManager = (InputMethodManager) mContext 5044 .getSystemService(Context.INPUT_METHOD_SERVICE); 5045 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 5046 long id = Binder.clearCallingIdentity(); 5047 try { 5048 IPackageManager pm = AppGlobals.getPackageManager(); 5049 if (imes != null) { 5050 for (InputMethodInfo ime : imes) { 5051 ServiceInfo serviceInfo = ime.getServiceInfo(); 5052 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 5053 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 5054 result.add(serviceInfo.packageName); 5055 } 5056 } 5057 } 5058 } finally { 5059 restoreCallingIdentity(id); 5060 } 5061 } 5062 return result; 5063 } 5064 } 5065 5066 @Override 5067 public UserHandle createUser(ComponentName who, String name) { 5068 Preconditions.checkNotNull(who, "ComponentName is null"); 5069 synchronized (this) { 5070 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5071 5072 long id = Binder.clearCallingIdentity(); 5073 try { 5074 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 5075 if (userInfo != null) { 5076 return userInfo.getUserHandle(); 5077 } 5078 return null; 5079 } finally { 5080 restoreCallingIdentity(id); 5081 } 5082 } 5083 } 5084 5085 @Override 5086 public UserHandle createAndInitializeUser(ComponentName who, String name, 5087 String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { 5088 UserHandle user = createUser(who, name); 5089 if (user == null) { 5090 return null; 5091 } 5092 long id = Binder.clearCallingIdentity(); 5093 try { 5094 String profileOwnerPkg = profileOwnerComponent.getPackageName(); 5095 final IPackageManager ipm = AppGlobals.getPackageManager(); 5096 IActivityManager activityManager = ActivityManagerNative.getDefault(); 5097 5098 try { 5099 // Install the profile owner if not present. 5100 if (!ipm.isPackageAvailable(profileOwnerPkg, user.getIdentifier())) { 5101 ipm.installExistingPackageAsUser(profileOwnerPkg, user.getIdentifier()); 5102 } 5103 5104 // Start user in background. 5105 activityManager.startUserInBackground(user.getIdentifier()); 5106 } catch (RemoteException e) { 5107 Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); 5108 } 5109 5110 setActiveAdmin(profileOwnerComponent, true, user.getIdentifier(), adminExtras); 5111 setProfileOwner(profileOwnerComponent, ownerName, user.getIdentifier()); 5112 return user; 5113 } finally { 5114 restoreCallingIdentity(id); 5115 } 5116 } 5117 5118 @Override 5119 public boolean removeUser(ComponentName who, UserHandle userHandle) { 5120 Preconditions.checkNotNull(who, "ComponentName is null"); 5121 synchronized (this) { 5122 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5123 5124 long id = Binder.clearCallingIdentity(); 5125 try { 5126 return mUserManager.removeUser(userHandle.getIdentifier()); 5127 } finally { 5128 restoreCallingIdentity(id); 5129 } 5130 } 5131 } 5132 5133 @Override 5134 public boolean switchUser(ComponentName who, UserHandle userHandle) { 5135 Preconditions.checkNotNull(who, "ComponentName is null"); 5136 synchronized (this) { 5137 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5138 5139 long id = Binder.clearCallingIdentity(); 5140 try { 5141 int userId = UserHandle.USER_OWNER; 5142 if (userHandle != null) { 5143 userId = userHandle.getIdentifier(); 5144 } 5145 return ActivityManagerNative.getDefault().switchUser(userId); 5146 } catch (RemoteException e) { 5147 Log.e(LOG_TAG, "Couldn't switch user", e); 5148 return false; 5149 } finally { 5150 restoreCallingIdentity(id); 5151 } 5152 } 5153 } 5154 5155 @Override 5156 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 5157 Preconditions.checkNotNull(who, "ComponentName is null"); 5158 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 5159 5160 synchronized (this) { 5161 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5162 5163 long id = Binder.clearCallingIdentity(); 5164 try { 5165 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 5166 // if no restrictions were saved, mUserManager.getApplicationRestrictions 5167 // returns null, but DPM method should return an empty Bundle as per JavaDoc 5168 return bundle != null ? bundle : Bundle.EMPTY; 5169 } finally { 5170 restoreCallingIdentity(id); 5171 } 5172 } 5173 } 5174 5175 @Override 5176 public void setUserRestriction(ComponentName who, String key, boolean enabled) { 5177 Preconditions.checkNotNull(who, "ComponentName is null"); 5178 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 5179 final int userHandle = user.getIdentifier(); 5180 synchronized (this) { 5181 ActiveAdmin activeAdmin = 5182 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5183 boolean isDeviceOwner = isDeviceOwner(activeAdmin.info.getPackageName()); 5184 if (!isDeviceOwner && userHandle != UserHandle.USER_OWNER 5185 && DEVICE_OWNER_USER_RESTRICTIONS.contains(key)) { 5186 throw new SecurityException("Profile owners cannot set user restriction " + key); 5187 } 5188 if (IMMUTABLE_USER_RESTRICTIONS.contains(key)) { 5189 throw new SecurityException("User restriction " + key + " cannot be changed"); 5190 } 5191 boolean alreadyRestricted = mUserManager.hasUserRestriction(key, user); 5192 5193 IAudioService iAudioService = null; 5194 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key) 5195 || UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5196 iAudioService = IAudioService.Stub.asInterface( 5197 ServiceManager.getService(Context.AUDIO_SERVICE)); 5198 } 5199 5200 if (enabled && !alreadyRestricted) { 5201 try { 5202 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 5203 iAudioService.setMicrophoneMute(true, who.getPackageName()); 5204 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5205 iAudioService.setMasterMute(true, 0, who.getPackageName()); 5206 } 5207 } catch (RemoteException re) { 5208 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 5209 } 5210 } 5211 long id = Binder.clearCallingIdentity(); 5212 try { 5213 if (enabled && !alreadyRestricted) { 5214 if (UserManager.DISALLOW_CONFIG_WIFI.equals(key)) { 5215 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5216 Settings.Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0, 5217 userHandle); 5218 } else if (UserManager.DISALLOW_USB_FILE_TRANSFER.equals(key)) { 5219 UsbManager manager = 5220 (UsbManager) mContext.getSystemService(Context.USB_SERVICE); 5221 manager.setCurrentFunction("none", false); 5222 } else if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 5223 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5224 Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF, 5225 userHandle); 5226 Settings.Secure.putStringForUser(mContext.getContentResolver(), 5227 Settings.Secure.LOCATION_PROVIDERS_ALLOWED, "", 5228 userHandle); 5229 } else if (UserManager.DISALLOW_DEBUGGING_FEATURES.equals(key)) { 5230 // Only disable adb if changing for primary user, since it is global 5231 if (userHandle == UserHandle.USER_OWNER) { 5232 Settings.Global.putStringForUser(mContext.getContentResolver(), 5233 Settings.Global.ADB_ENABLED, "0", userHandle); 5234 } 5235 } else if (UserManager.ENSURE_VERIFY_APPS.equals(key)) { 5236 Settings.Global.putStringForUser(mContext.getContentResolver(), 5237 Settings.Global.PACKAGE_VERIFIER_ENABLE, "1", 5238 userHandle); 5239 Settings.Global.putStringForUser(mContext.getContentResolver(), 5240 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, "1", 5241 userHandle); 5242 } else if (UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES.equals(key)) { 5243 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5244 Settings.Secure.INSTALL_NON_MARKET_APPS, 0, 5245 userHandle); 5246 } 5247 } 5248 mUserManager.setUserRestriction(key, enabled, user); 5249 if (enabled != alreadyRestricted) { 5250 if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 5251 // Send out notifications however as some clients may want to reread the 5252 // value which actually changed due to a restriction having been applied. 5253 final String property = Settings.Secure.SYS_PROP_SETTING_VERSION; 5254 long version = SystemProperties.getLong(property, 0) + 1; 5255 SystemProperties.set(property, Long.toString(version)); 5256 5257 final String name = Settings.Secure.LOCATION_PROVIDERS_ALLOWED; 5258 Uri url = Uri.withAppendedPath(Settings.Secure.CONTENT_URI, name); 5259 mContext.getContentResolver().notifyChange(url, null, true, userHandle); 5260 } 5261 } 5262 } finally { 5263 restoreCallingIdentity(id); 5264 } 5265 if (!enabled && alreadyRestricted) { 5266 try { 5267 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 5268 iAudioService.setMicrophoneMute(false, who.getPackageName()); 5269 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5270 iAudioService.setMasterMute(false, 0, who.getPackageName()); 5271 } 5272 } catch (RemoteException re) { 5273 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 5274 } 5275 } 5276 sendChangedNotification(userHandle); 5277 } 5278 } 5279 5280 @Override 5281 public boolean setApplicationHidden(ComponentName who, String packageName, 5282 boolean hidden) { 5283 Preconditions.checkNotNull(who, "ComponentName is null"); 5284 int callingUserId = UserHandle.getCallingUserId(); 5285 synchronized (this) { 5286 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5287 5288 long id = Binder.clearCallingIdentity(); 5289 try { 5290 IPackageManager pm = AppGlobals.getPackageManager(); 5291 return pm.setApplicationHiddenSettingAsUser(packageName, hidden, callingUserId); 5292 } catch (RemoteException re) { 5293 // shouldn't happen 5294 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 5295 } finally { 5296 restoreCallingIdentity(id); 5297 } 5298 return false; 5299 } 5300 } 5301 5302 @Override 5303 public boolean isApplicationHidden(ComponentName who, String packageName) { 5304 Preconditions.checkNotNull(who, "ComponentName is null"); 5305 int callingUserId = UserHandle.getCallingUserId(); 5306 synchronized (this) { 5307 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5308 5309 long id = Binder.clearCallingIdentity(); 5310 try { 5311 IPackageManager pm = AppGlobals.getPackageManager(); 5312 return pm.getApplicationHiddenSettingAsUser(packageName, callingUserId); 5313 } catch (RemoteException re) { 5314 // shouldn't happen 5315 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 5316 } finally { 5317 restoreCallingIdentity(id); 5318 } 5319 return false; 5320 } 5321 } 5322 5323 @Override 5324 public void enableSystemApp(ComponentName who, String packageName) { 5325 Preconditions.checkNotNull(who, "ComponentName is null"); 5326 synchronized (this) { 5327 // This API can only be called by an active device admin, 5328 // so try to retrieve it to check that the caller is one. 5329 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5330 5331 int userId = UserHandle.getCallingUserId(); 5332 long id = Binder.clearCallingIdentity(); 5333 5334 try { 5335 if (DBG) { 5336 Slog.v(LOG_TAG, "installing " + packageName + " for " 5337 + userId); 5338 } 5339 5340 UserManager um = UserManager.get(mContext); 5341 UserInfo primaryUser = um.getProfileParent(userId); 5342 5343 // Call did not come from a managed profile 5344 if (primaryUser == null) { 5345 primaryUser = um.getUserInfo(userId); 5346 } 5347 5348 IPackageManager pm = AppGlobals.getPackageManager(); 5349 if (!isSystemApp(pm, packageName, primaryUser.id)) { 5350 throw new IllegalArgumentException("Only system apps can be enabled this way."); 5351 } 5352 5353 // Install the app. 5354 pm.installExistingPackageAsUser(packageName, userId); 5355 5356 } catch (RemoteException re) { 5357 // shouldn't happen 5358 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 5359 } finally { 5360 restoreCallingIdentity(id); 5361 } 5362 } 5363 } 5364 5365 @Override 5366 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 5367 Preconditions.checkNotNull(who, "ComponentName is null"); 5368 synchronized (this) { 5369 // This API can only be called by an active device admin, 5370 // so try to retrieve it to check that the caller is one. 5371 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5372 5373 int userId = UserHandle.getCallingUserId(); 5374 long id = Binder.clearCallingIdentity(); 5375 5376 try { 5377 UserManager um = UserManager.get(mContext); 5378 UserInfo primaryUser = um.getProfileParent(userId); 5379 5380 // Call did not come from a managed profile. 5381 if (primaryUser == null) { 5382 primaryUser = um.getUserInfo(userId); 5383 } 5384 5385 IPackageManager pm = AppGlobals.getPackageManager(); 5386 List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent, 5387 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 5388 0, // no flags 5389 primaryUser.id); 5390 5391 if (DBG) Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 5392 int numberOfAppsInstalled = 0; 5393 if (activitiesToEnable != null) { 5394 for (ResolveInfo info : activitiesToEnable) { 5395 if (info.activityInfo != null) { 5396 String packageName = info.activityInfo.packageName; 5397 if (isSystemApp(pm, packageName, primaryUser.id)) { 5398 numberOfAppsInstalled++; 5399 pm.installExistingPackageAsUser(packageName, userId); 5400 } else { 5401 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 5402 + " system app"); 5403 } 5404 } 5405 } 5406 } 5407 return numberOfAppsInstalled; 5408 } catch (RemoteException e) { 5409 // shouldn't happen 5410 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 5411 return 0; 5412 } finally { 5413 restoreCallingIdentity(id); 5414 } 5415 } 5416 } 5417 5418 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 5419 throws RemoteException { 5420 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 5421 userId); 5422 if (appInfo == null) { 5423 throw new IllegalArgumentException("The application " + packageName + 5424 " is not present on this device"); 5425 } 5426 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 5427 } 5428 5429 @Override 5430 public void setAccountManagementDisabled(ComponentName who, String accountType, 5431 boolean disabled) { 5432 if (!mHasFeature) { 5433 return; 5434 } 5435 Preconditions.checkNotNull(who, "ComponentName is null"); 5436 synchronized (this) { 5437 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5438 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5439 if (disabled) { 5440 ap.accountTypesWithManagementDisabled.add(accountType); 5441 } else { 5442 ap.accountTypesWithManagementDisabled.remove(accountType); 5443 } 5444 saveSettingsLocked(UserHandle.getCallingUserId()); 5445 } 5446 } 5447 5448 @Override 5449 public String[] getAccountTypesWithManagementDisabled() { 5450 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 5451 } 5452 5453 @Override 5454 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 5455 enforceCrossUserPermission(userId); 5456 if (!mHasFeature) { 5457 return null; 5458 } 5459 synchronized (this) { 5460 DevicePolicyData policy = getUserData(userId); 5461 final int N = policy.mAdminList.size(); 5462 HashSet<String> resultSet = new HashSet<String>(); 5463 for (int i = 0; i < N; i++) { 5464 ActiveAdmin admin = policy.mAdminList.get(i); 5465 resultSet.addAll(admin.accountTypesWithManagementDisabled); 5466 } 5467 return resultSet.toArray(new String[resultSet.size()]); 5468 } 5469 } 5470 5471 @Override 5472 public void setUninstallBlocked(ComponentName who, String packageName, 5473 boolean uninstallBlocked) { 5474 Preconditions.checkNotNull(who, "ComponentName is null"); 5475 final int userId = UserHandle.getCallingUserId(); 5476 synchronized (this) { 5477 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5478 5479 long id = Binder.clearCallingIdentity(); 5480 try { 5481 IPackageManager pm = AppGlobals.getPackageManager(); 5482 pm.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 5483 } catch (RemoteException re) { 5484 // Shouldn't happen. 5485 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 5486 } finally { 5487 restoreCallingIdentity(id); 5488 } 5489 } 5490 } 5491 5492 @Override 5493 public boolean isUninstallBlocked(ComponentName who, String packageName) { 5494 // This function should return true if and only if the package is blocked by 5495 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 5496 // when the package is a system app, or when it is an active device admin. 5497 final int userId = UserHandle.getCallingUserId(); 5498 5499 synchronized (this) { 5500 if (who != null) { 5501 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5502 } 5503 5504 long id = Binder.clearCallingIdentity(); 5505 try { 5506 IPackageManager pm = AppGlobals.getPackageManager(); 5507 return pm.getBlockUninstallForUser(packageName, userId); 5508 } catch (RemoteException re) { 5509 // Shouldn't happen. 5510 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 5511 } finally { 5512 restoreCallingIdentity(id); 5513 } 5514 } 5515 return false; 5516 } 5517 5518 @Override 5519 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 5520 if (!mHasFeature) { 5521 return; 5522 } 5523 Preconditions.checkNotNull(who, "ComponentName is null"); 5524 synchronized (this) { 5525 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5526 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5527 if (admin.disableCallerId != disabled) { 5528 admin.disableCallerId = disabled; 5529 saveSettingsLocked(UserHandle.getCallingUserId()); 5530 } 5531 } 5532 } 5533 5534 @Override 5535 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 5536 if (!mHasFeature) { 5537 return false; 5538 } 5539 Preconditions.checkNotNull(who, "ComponentName is null"); 5540 synchronized (this) { 5541 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5542 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5543 return admin.disableCallerId; 5544 } 5545 } 5546 5547 @Override 5548 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 5549 // TODO: Should there be a check to make sure this relationship is within a profile group? 5550 //enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5551 synchronized (this) { 5552 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5553 return (admin != null) ? admin.disableCallerId : false; 5554 } 5555 } 5556 5557 @Override 5558 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 5559 Intent originalIntent) { 5560 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent( 5561 actualLookupKey, actualContactId, originalIntent); 5562 final int callingUserId = UserHandle.getCallingUserId(); 5563 5564 final long ident = Binder.clearCallingIdentity(); 5565 try { 5566 synchronized (this) { 5567 final int managedUserId = getManagedUserId(callingUserId); 5568 if (managedUserId < 0) { 5569 return; 5570 } 5571 if (getCrossProfileCallerIdDisabledForUser(managedUserId)) { 5572 if (VERBOSE_LOG) { 5573 Log.v(LOG_TAG, 5574 "Cross-profile contacts access disabled for user " + managedUserId); 5575 } 5576 return; 5577 } 5578 ContactsInternal.startQuickContactWithErrorToastForUser( 5579 mContext, intent, new UserHandle(managedUserId)); 5580 } 5581 } finally { 5582 Binder.restoreCallingIdentity(ident); 5583 } 5584 } 5585 5586 /** 5587 * @return the user ID of the managed user that is linked to the current user, if any. 5588 * Otherwise -1. 5589 */ 5590 public int getManagedUserId(int callingUserId) { 5591 if (VERBOSE_LOG) { 5592 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 5593 } 5594 5595 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 5596 if (ui.id == callingUserId || !ui.isManagedProfile()) { 5597 continue; // Caller user self, or not a managed profile. Skip. 5598 } 5599 if (VERBOSE_LOG) { 5600 Log.v(LOG_TAG, "Managed user=" + ui.id); 5601 } 5602 return ui.id; 5603 } 5604 if (VERBOSE_LOG) { 5605 Log.v(LOG_TAG, "Managed user not found."); 5606 } 5607 return -1; 5608 } 5609 5610 @Override 5611 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 5612 if (!mHasFeature) { 5613 return; 5614 } 5615 Preconditions.checkNotNull(who, "ComponentName is null"); 5616 synchronized (this) { 5617 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5618 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5619 if (admin.disableBluetoothContactSharing != disabled) { 5620 admin.disableBluetoothContactSharing = disabled; 5621 saveSettingsLocked(UserHandle.getCallingUserId()); 5622 } 5623 } 5624 } 5625 5626 @Override 5627 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 5628 if (!mHasFeature) { 5629 return false; 5630 } 5631 Preconditions.checkNotNull(who, "ComponentName is null"); 5632 synchronized (this) { 5633 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5634 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5635 return admin.disableBluetoothContactSharing; 5636 } 5637 } 5638 5639 @Override 5640 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 5641 // TODO: Should there be a check to make sure this relationship is 5642 // within a profile group? 5643 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5644 synchronized (this) { 5645 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5646 return (admin != null) ? admin.disableBluetoothContactSharing : false; 5647 } 5648 } 5649 5650 /** 5651 * Sets which packages may enter lock task mode. 5652 * 5653 * This function can only be called by the device owner. 5654 * @param packages The list of packages allowed to enter lock task mode. 5655 */ 5656 public void setLockTaskPackages(ComponentName who, String[] packages) throws SecurityException { 5657 Preconditions.checkNotNull(who, "ComponentName is null"); 5658 synchronized (this) { 5659 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5660 5661 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5662 DevicePolicyData policy = getUserData(userHandle); 5663 policy.mLockTaskPackages.clear(); 5664 if (packages != null) { 5665 for (int j = 0; j < packages.length; j++) { 5666 String pkg = packages[j]; 5667 if (pkg != null) { 5668 policy.mLockTaskPackages.add(pkg); 5669 } 5670 } 5671 } 5672 5673 // Store the settings persistently. 5674 saveSettingsLocked(userHandle); 5675 updateLockTaskPackagesLocked(policy, userHandle); 5676 } 5677 } 5678 5679 /** 5680 * This function returns the list of components allowed to start the task lock mode. 5681 */ 5682 public String[] getLockTaskPackages(ComponentName who) { 5683 Preconditions.checkNotNull(who, "ComponentName is null"); 5684 synchronized (this) { 5685 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5686 5687 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5688 DevicePolicyData policy = getUserData(userHandle); 5689 return policy.mLockTaskPackages.toArray(new String[policy.mLockTaskPackages.size()]); 5690 } 5691 } 5692 5693 /** 5694 * This function lets the caller know whether the given package is allowed to start the 5695 * lock task mode. 5696 * @param pkg The package to check 5697 */ 5698 public boolean isLockTaskPermitted(String pkg) { 5699 // Get current user's devicepolicy 5700 int uid = Binder.getCallingUid(); 5701 int userHandle = UserHandle.getUserId(uid); 5702 DevicePolicyData policy = getUserData(userHandle); 5703 synchronized (this) { 5704 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 5705 String lockTaskPackage = policy.mLockTaskPackages.get(i); 5706 5707 // If the given package equals one of the packages stored our list, 5708 // we allow this package to start lock task mode. 5709 if (lockTaskPackage.equals(pkg)) { 5710 return true; 5711 } 5712 } 5713 } 5714 return false; 5715 } 5716 5717 @Override 5718 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 5719 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 5720 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 5721 } 5722 synchronized (this) { 5723 final DevicePolicyData policy = getUserData(userHandle); 5724 Bundle adminExtras = new Bundle(); 5725 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 5726 for (ActiveAdmin admin : policy.mAdminList) { 5727 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 5728 boolean ownsProfile = (getProfileOwner(userHandle) != null 5729 && getProfileOwner(userHandle).equals(admin.info.getPackageName())); 5730 if (ownsDevice || ownsProfile) { 5731 if (isEnabled) { 5732 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 5733 adminExtras, null); 5734 } else { 5735 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 5736 } 5737 } 5738 } 5739 } 5740 } 5741 5742 @Override 5743 public void setGlobalSetting(ComponentName who, String setting, String value) { 5744 final ContentResolver contentResolver = mContext.getContentResolver(); 5745 Preconditions.checkNotNull(who, "ComponentName is null"); 5746 5747 synchronized (this) { 5748 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5749 5750 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 5751 // BLUETOOTH_ON and WIFI_ON used to be supported but not any more. We do not want to 5752 // throw a SecurityException not to break apps. 5753 if (!Settings.Global.BLUETOOTH_ON.equals(setting) 5754 && !Settings.Global.WIFI_ON.equals(setting)) { 5755 throw new SecurityException(String.format( 5756 "Permission denial: device owners cannot update %1$s", setting)); 5757 } 5758 } 5759 5760 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 5761 // ignore if it contradicts an existing policy 5762 long timeMs = getMaximumTimeToLock(who, UserHandle.getCallingUserId()); 5763 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 5764 return; 5765 } 5766 } 5767 5768 long id = Binder.clearCallingIdentity(); 5769 try { 5770 Settings.Global.putString(contentResolver, setting, value); 5771 } finally { 5772 restoreCallingIdentity(id); 5773 } 5774 } 5775 } 5776 5777 @Override 5778 public void setSecureSetting(ComponentName who, String setting, String value) { 5779 Preconditions.checkNotNull(who, "ComponentName is null"); 5780 int callingUserId = UserHandle.getCallingUserId(); 5781 final ContentResolver contentResolver = mContext.getContentResolver(); 5782 5783 synchronized (this) { 5784 ActiveAdmin activeAdmin = 5785 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5786 5787 if (isDeviceOwner(activeAdmin.info.getPackageName())) { 5788 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 5789 throw new SecurityException(String.format( 5790 "Permission denial: Device owners cannot update %1$s", setting)); 5791 } 5792 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 5793 throw new SecurityException(String.format( 5794 "Permission denial: Profile owners cannot update %1$s", setting)); 5795 } 5796 5797 long id = Binder.clearCallingIdentity(); 5798 try { 5799 Settings.Secure.putStringForUser(contentResolver, setting, value, callingUserId); 5800 } finally { 5801 restoreCallingIdentity(id); 5802 } 5803 } 5804 } 5805 5806 @Override 5807 public void setMasterVolumeMuted(ComponentName who, boolean on) { 5808 Preconditions.checkNotNull(who, "ComponentName is null"); 5809 synchronized (this) { 5810 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5811 5812 IAudioService iAudioService = IAudioService.Stub.asInterface( 5813 ServiceManager.getService(Context.AUDIO_SERVICE)); 5814 try { 5815 iAudioService.setMasterMute(on, 0, who.getPackageName()); 5816 } catch (RemoteException re) { 5817 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 5818 } 5819 } 5820 } 5821 5822 @Override 5823 public boolean isMasterVolumeMuted(ComponentName who) { 5824 Preconditions.checkNotNull(who, "ComponentName is null"); 5825 synchronized (this) { 5826 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5827 5828 AudioManager audioManager = 5829 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 5830 return audioManager.isMasterMute(); 5831 } 5832 } 5833 5834 @Override 5835 public void setUserIcon(ComponentName who, Bitmap icon) { 5836 synchronized (this) { 5837 Preconditions.checkNotNull(who, "ComponentName is null"); 5838 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5839 5840 int userId = UserHandle.getCallingUserId(); 5841 long id = Binder.clearCallingIdentity(); 5842 try { 5843 mUserManager.setUserIcon(userId, icon); 5844 } finally { 5845 restoreCallingIdentity(id); 5846 } 5847 } 5848 } 5849 5850 @Override 5851 public void sendDeviceInitializerStatus(int statusCode, String description) { 5852 synchronized (this) { 5853 String packageName = getDeviceInitializer(); 5854 if (packageName == null) { 5855 throw new SecurityException("No device initializers"); 5856 } 5857 UserHandle callingUser = Binder.getCallingUserHandle(); 5858 int deviceInitializerUid = -1; 5859 try { 5860 deviceInitializerUid = mContext.getPackageManager().getPackageUid( 5861 packageName, callingUser.getIdentifier()); 5862 } catch (NameNotFoundException e) { 5863 throw new SecurityException(e); 5864 } 5865 if (Binder.getCallingUid() != deviceInitializerUid) { 5866 throw new SecurityException("Caller must be a device initializer"); 5867 } 5868 long id = Binder.clearCallingIdentity(); 5869 try { 5870 Intent intent = new Intent( 5871 DevicePolicyManager.ACTION_SEND_DEVICE_INITIALIZER_STATUS); 5872 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_INITIALIZER_STATUS_CODE, 5873 statusCode); 5874 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_INITIALIZER_STATUS_DESCRIPTION, 5875 description); 5876 mContext.sendBroadcastAsUser(intent, callingUser, 5877 android.Manifest.permission.RECEIVE_DEVICE_INITIALIZER_STATUS); 5878 } finally { 5879 restoreCallingIdentity(id); 5880 } 5881 } 5882 } 5883 5884 @Override 5885 public boolean setKeyguardEnabledState(ComponentName who, boolean enabled) { 5886 Preconditions.checkNotNull(who, "ComponentName is null"); 5887 synchronized (this) { 5888 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5889 } 5890 final int userId = UserHandle.getCallingUserId(); 5891 LockPatternUtils utils = new LockPatternUtils(mContext); 5892 5893 long ident = Binder.clearCallingIdentity(); 5894 try { 5895 // disallow disabling the keyguard if a password is currently set 5896 if (!enabled && utils.isSecure(userId)) { 5897 return false; 5898 } 5899 utils.setLockScreenDisabled(!enabled, userId); 5900 } finally { 5901 Binder.restoreCallingIdentity(ident); 5902 } 5903 return true; 5904 } 5905 5906 @Override 5907 public void setStatusBarEnabledState(ComponentName who, boolean enabled) { 5908 int userId = UserHandle.getCallingUserId(); 5909 synchronized (this) { 5910 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5911 DevicePolicyData policy = getUserData(userId); 5912 if (policy.mStatusBarEnabledState != enabled) { 5913 policy.mStatusBarEnabledState = enabled; 5914 setStatusBarEnabledStateInternal(enabled, userId); 5915 saveSettingsLocked(userId); 5916 } 5917 } 5918 } 5919 5920 private void setStatusBarEnabledStateInternal(boolean enabled, int userId) { 5921 long ident = Binder.clearCallingIdentity(); 5922 try { 5923 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 5924 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 5925 if (statusBarService != null) { 5926 int flags = enabled ? StatusBarManager.DISABLE_NONE : STATUS_BAR_DISABLE_MASK; 5927 statusBarService.disableForUser(flags, mToken, mContext.getPackageName(), userId); 5928 } 5929 } catch (RemoteException e) { 5930 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 5931 } finally { 5932 Binder.restoreCallingIdentity(ident); 5933 } 5934 } 5935 5936 /** 5937 * We need to update the internal state of whether a user has completed setup once. After 5938 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 5939 * as we don't trust any apps that might try to reset it. 5940 * <p> 5941 * Unfortunately, we don't know which user's setup state was changed, so we write all of 5942 * them. 5943 */ 5944 void updateUserSetupComplete() { 5945 List<UserInfo> users = mUserManager.getUsers(true); 5946 ContentResolver resolver = mContext.getContentResolver(); 5947 final int N = users.size(); 5948 for (int i = 0; i < N; i++) { 5949 int userHandle = users.get(i).id; 5950 if (Settings.Secure.getIntForUser(resolver, Settings.Secure.USER_SETUP_COMPLETE, 0, 5951 userHandle) != 0) { 5952 DevicePolicyData policy = getUserData(userHandle); 5953 if (!policy.mUserSetupComplete) { 5954 policy.mUserSetupComplete = true; 5955 synchronized (this) { 5956 saveSettingsLocked(userHandle); 5957 } 5958 } 5959 } 5960 } 5961 } 5962 5963 private class SetupContentObserver extends ContentObserver { 5964 5965 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 5966 Settings.Secure.USER_SETUP_COMPLETE); 5967 5968 public SetupContentObserver(Handler handler) { 5969 super(handler); 5970 } 5971 5972 void register(ContentResolver resolver) { 5973 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 5974 } 5975 5976 @Override 5977 public void onChange(boolean selfChange, Uri uri) { 5978 if (mUserSetupComplete.equals(uri)) { 5979 updateUserSetupComplete(); 5980 } 5981 } 5982 } 5983 5984 private final class LocalService extends DevicePolicyManagerInternal { 5985 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 5986 5987 @Override 5988 public List<String> getCrossProfileWidgetProviders(int profileId) { 5989 synchronized (DevicePolicyManagerService.this) { 5990 if (mDeviceOwner == null) { 5991 return Collections.emptyList(); 5992 } 5993 ComponentName ownerComponent = mDeviceOwner.getProfileOwnerComponent(profileId); 5994 if (ownerComponent == null) { 5995 return Collections.emptyList(); 5996 } 5997 5998 DevicePolicyData policy = getUserDataUnchecked(profileId); 5999 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 6000 6001 if (admin == null || admin.crossProfileWidgetProviders == null 6002 || admin.crossProfileWidgetProviders.isEmpty()) { 6003 return Collections.emptyList(); 6004 } 6005 6006 return admin.crossProfileWidgetProviders; 6007 } 6008 } 6009 6010 @Override 6011 public void addOnCrossProfileWidgetProvidersChangeListener( 6012 OnCrossProfileWidgetProvidersChangeListener listener) { 6013 synchronized (DevicePolicyManagerService.this) { 6014 if (mWidgetProviderListeners == null) { 6015 mWidgetProviderListeners = new ArrayList<>(); 6016 } 6017 if (!mWidgetProviderListeners.contains(listener)) { 6018 mWidgetProviderListeners.add(listener); 6019 } 6020 } 6021 } 6022 6023 @Override 6024 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 6025 final int userId = UserHandle.getUserId(uid); 6026 synchronized(DevicePolicyManagerService.this) { 6027 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 6028 } 6029 } 6030 6031 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 6032 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 6033 synchronized (DevicePolicyManagerService.this) { 6034 listeners = new ArrayList<>(mWidgetProviderListeners); 6035 } 6036 final int listenerCount = listeners.size(); 6037 for (int i = 0; i < listenerCount; i++) { 6038 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 6039 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 6040 } 6041 } 6042 } 6043 6044 /** 6045 * Returns true if specified admin is allowed to limit passwords and has a 6046 * {@code passwordQuality} of at least {@code minPasswordQuality} 6047 */ 6048 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 6049 if (admin.passwordQuality < minPasswordQuality) { 6050 return false; 6051 } 6052 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 6053 } 6054 6055 @Override 6056 public void setSystemUpdatePolicy(ComponentName who, PersistableBundle policy) { 6057 synchronized (this) { 6058 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6059 if (policy == null) { 6060 mDeviceOwner.clearSystemUpdatePolicy(); 6061 } else { 6062 mDeviceOwner.setSystemUpdatePolicy(policy); 6063 } 6064 mDeviceOwner.writeOwnerFile(); 6065 } 6066 mContext.sendBroadcastAsUser( 6067 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 6068 UserHandle.OWNER); 6069 } 6070 6071 @Override 6072 public PersistableBundle getSystemUpdatePolicy() { 6073 synchronized (this) { 6074 return mDeviceOwner.getSystemUpdatePolicy(); 6075 } 6076 } 6077 6078 /** 6079 * Checks if the caller of the method is the device owner app or device initialization app. 6080 * 6081 * @param callerUid UID of the caller. 6082 * @return true if the caller is the device owner app or device initializer. 6083 */ 6084 private boolean isCallerDeviceOwnerOrInitializer(int callerUid) { 6085 String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 6086 for (String pkg : pkgs) { 6087 if (isDeviceOwner(pkg) || isDeviceInitializer(pkg)) { 6088 return true; 6089 } 6090 } 6091 return false; 6092 } 6093 6094 @Override 6095 public void notifyPendingSystemUpdate(long updateReceivedTime) { 6096 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 6097 "Only the system update service can broadcast update information"); 6098 6099 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 6100 Slog.w(LOG_TAG, "Only the system update service in the primary user" + 6101 "can broadcast update information."); 6102 return; 6103 } 6104 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 6105 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 6106 updateReceivedTime); 6107 6108 synchronized (this) { 6109 String deviceOwnerPackage = getDeviceOwner(); 6110 if (deviceOwnerPackage == null) { 6111 return; 6112 } 6113 6114 try { 6115 ActivityInfo[] receivers = mContext.getPackageManager().getPackageInfo( 6116 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 6117 if (receivers != null) { 6118 for (int i = 0; i < receivers.length; i++) { 6119 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 6120 intent.setComponent(new ComponentName(deviceOwnerPackage, 6121 receivers[i].name)); 6122 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 6123 } 6124 } 6125 } 6126 } catch (NameNotFoundException e) { 6127 Log.e(LOG_TAG, "Cannot find device owner package", e); 6128 } 6129 } 6130 } 6131} 6132