DevicePolicyManagerService.java revision 0c606812c5102fd19eda4b3e1ffbc9e61fec6430
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.accessibilityservice.AccessibilityServiceInfo; 26import android.accounts.AccountManager; 27import android.app.Activity; 28import android.app.ActivityManagerNative; 29import android.app.AlarmManager; 30import android.app.AppGlobals; 31import android.app.IActivityManager; 32import android.app.Notification; 33import android.app.NotificationManager; 34import android.app.PendingIntent; 35import android.app.admin.DeviceAdminInfo; 36import android.app.admin.DeviceAdminReceiver; 37import android.app.admin.DevicePolicyManager; 38import android.app.admin.DevicePolicyManagerInternal; 39import android.app.admin.IDevicePolicyManager; 40import android.app.backup.IBackupManager; 41import android.content.BroadcastReceiver; 42import android.content.ComponentName; 43import android.content.ContentResolver; 44import android.content.Context; 45import android.content.Intent; 46import android.content.IntentFilter; 47import android.content.pm.ApplicationInfo; 48import android.content.pm.IPackageManager; 49import android.content.pm.PackageManager; 50import android.content.pm.PackageManager.NameNotFoundException; 51import android.content.pm.ResolveInfo; 52import android.content.pm.ServiceInfo; 53import android.content.pm.UserInfo; 54import android.database.ContentObserver; 55import android.graphics.Bitmap; 56import android.hardware.usb.UsbManager; 57import android.media.AudioManager; 58import android.media.IAudioService; 59import android.net.ConnectivityManager; 60import android.net.ProxyInfo; 61import android.net.Uri; 62import android.os.AsyncTask; 63import android.os.Binder; 64import android.os.Bundle; 65import android.os.Environment; 66import android.os.FileUtils; 67import android.os.Handler; 68import android.os.IBinder; 69import android.os.PersistableBundle; 70import android.os.PowerManager; 71import android.os.PowerManagerInternal; 72import android.os.Process; 73import android.os.RecoverySystem; 74import android.os.RemoteCallback; 75import android.os.RemoteException; 76import android.os.ServiceManager; 77import android.os.SystemClock; 78import android.os.SystemProperties; 79import android.os.UserHandle; 80import android.os.UserManager; 81import android.provider.ContactsContract.QuickContact; 82import android.provider.ContactsInternal; 83import android.provider.Settings; 84import android.security.Credentials; 85import android.security.IKeyChainAliasCallback; 86import android.security.IKeyChainService; 87import android.security.KeyChain; 88import android.security.KeyChain.KeyChainConnection; 89import android.text.TextUtils; 90import android.service.persistentdata.PersistentDataBlockManager; 91import android.util.Log; 92import android.util.PrintWriterPrinter; 93import android.util.Printer; 94import android.util.Slog; 95import android.util.SparseArray; 96import android.util.Xml; 97import android.view.accessibility.AccessibilityManager; 98import android.view.accessibility.IAccessibilityManager; 99import android.view.inputmethod.InputMethodInfo; 100import android.view.inputmethod.InputMethodManager; 101import android.view.IWindowManager; 102 103import com.android.internal.R; 104import com.android.internal.os.storage.ExternalStorageFormatter; 105import com.android.internal.util.FastXmlSerializer; 106import com.android.internal.util.JournaledFile; 107import com.android.internal.util.Preconditions; 108import com.android.internal.util.XmlUtils; 109import com.android.internal.widget.LockPatternUtils; 110import com.android.server.LocalServices; 111import com.android.server.SystemService; 112import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 113 114import org.xmlpull.v1.XmlPullParser; 115 116import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 117import static org.xmlpull.v1.XmlPullParser.END_TAG; 118import static org.xmlpull.v1.XmlPullParser.TEXT; 119 120import org.xmlpull.v1.XmlPullParserException; 121import org.xmlpull.v1.XmlSerializer; 122 123import java.io.ByteArrayInputStream; 124import java.io.File; 125import java.io.FileDescriptor; 126import java.io.FileInputStream; 127import java.io.FileNotFoundException; 128import java.io.FileOutputStream; 129import java.io.IOException; 130import java.io.PrintWriter; 131import java.security.cert.CertificateException; 132import java.security.cert.CertificateFactory; 133import java.security.cert.X509Certificate; 134import java.text.DateFormat; 135import java.util.ArrayList; 136import java.util.Collections; 137import java.util.Date; 138import java.util.HashMap; 139import java.util.HashSet; 140import java.util.List; 141import java.util.Map.Entry; 142import java.util.Set; 143 144/** 145 * Implementation of the device policy APIs. 146 */ 147public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 148 149 private static final String LOG_TAG = "DevicePolicyManagerService"; 150 151 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 152 153 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 154 155 private static final String LOCK_TASK_COMPONENTS_XML = "lock-task-component"; 156 157 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 158 159 private static final long MS_PER_DAY = 86400 * 1000; 160 161 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 162 163 protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 164 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 165 166 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 167 168 private static final boolean DBG = false; 169 170 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 171 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 172 173 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 174 175 private static final Set<String> DEVICE_OWNER_USER_RESTRICTIONS; 176 static { 177 DEVICE_OWNER_USER_RESTRICTIONS = new HashSet(); 178 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_USB_FILE_TRANSFER); 179 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_TETHERING); 180 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_FACTORY_RESET); 181 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADD_USER); 182 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_CELL_BROADCASTS); 183 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS); 184 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_MOUNT_PHYSICAL_MEDIA); 185 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_UNMUTE_MICROPHONE); 186 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADJUST_VOLUME); 187 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SMS); 188 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SAFE_BOOT); 189 } 190 191 // The following user restrictions cannot be changed by any active admin, including device 192 // owner and profile owner. 193 private static final Set<String> IMMUTABLE_USER_RESTRICTIONS; 194 static { 195 IMMUTABLE_USER_RESTRICTIONS = new HashSet(); 196 IMMUTABLE_USER_RESTRICTIONS.add(UserManager.DISALLOW_WALLPAPER); 197 } 198 199 private static final Set<String> SECURE_SETTINGS_WHITELIST; 200 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 201 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 202 static { 203 SECURE_SETTINGS_WHITELIST = new HashSet(); 204 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 205 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 206 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 207 208 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new HashSet(); 209 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 210 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 211 212 GLOBAL_SETTINGS_WHITELIST = new HashSet(); 213 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 214 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 215 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 216 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 217 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 218 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.MODE_RINGER); 219 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.NETWORK_PREFERENCE); 220 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 221 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 222 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 223 } 224 225 final Context mContext; 226 final UserManager mUserManager; 227 final PowerManager.WakeLock mWakeLock; 228 229 final LocalService mLocalService; 230 231 final PowerManager mPowerManager; 232 final PowerManagerInternal mPowerManagerInternal; 233 234 IWindowManager mIWindowManager; 235 NotificationManager mNotificationManager; 236 237 // Stores and loads state on device and profile owners. 238 private DeviceOwner mDeviceOwner; 239 240 /** 241 * Whether or not device admin feature is supported. If it isn't return defaults for all 242 * public methods. 243 */ 244 private boolean mHasFeature; 245 246 public static final class Lifecycle extends SystemService { 247 private DevicePolicyManagerService mService; 248 249 public Lifecycle(Context context) { 250 super(context); 251 mService = new DevicePolicyManagerService(context); 252 } 253 254 @Override 255 public void onStart() { 256 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 257 } 258 259 @Override 260 public void onBootPhase(int phase) { 261 if (phase == PHASE_LOCK_SETTINGS_READY) { 262 mService.systemReady(); 263 } 264 } 265 } 266 267 public static class DevicePolicyData { 268 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 269 int mActivePasswordLength = 0; 270 int mActivePasswordUpperCase = 0; 271 int mActivePasswordLowerCase = 0; 272 int mActivePasswordLetters = 0; 273 int mActivePasswordNumeric = 0; 274 int mActivePasswordSymbols = 0; 275 int mActivePasswordNonLetter = 0; 276 int mFailedPasswordAttempts = 0; 277 278 int mUserHandle; 279 int mPasswordOwner = -1; 280 long mLastMaximumTimeToLock = -1; 281 boolean mUserSetupComplete = false; 282 283 final HashMap<ComponentName, ActiveAdmin> mAdminMap = new HashMap<>(); 284 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 285 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 286 287 // This is the list of component allowed to start lock task mode. 288 final List<String> mLockTaskPackages = new ArrayList<>(); 289 290 ComponentName mRestrictionsProvider; 291 292 String mDelegatedCertInstallerPackage; 293 294 public DevicePolicyData(int userHandle) { 295 mUserHandle = userHandle; 296 } 297 } 298 299 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 300 301 Handler mHandler = new Handler(); 302 303 BroadcastReceiver mReceiver = new BroadcastReceiver() { 304 @Override 305 public void onReceive(Context context, Intent intent) { 306 final String action = intent.getAction(); 307 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 308 getSendingUserId()); 309 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 310 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 311 if (DBG) Slog.v(LOG_TAG, "Sending password expiration notifications for action " 312 + action + " for user " + userHandle); 313 mHandler.post(new Runnable() { 314 public void run() { 315 handlePasswordExpirationNotification(userHandle); 316 } 317 }); 318 } 319 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 320 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 321 new MonitoringCertNotificationTask().execute(intent); 322 } 323 if (Intent.ACTION_USER_REMOVED.equals(action)) { 324 removeUserData(userHandle); 325 } else if (Intent.ACTION_USER_STARTED.equals(action) 326 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 327 328 if (Intent.ACTION_USER_STARTED.equals(action)) { 329 // Reset the policy data 330 synchronized (DevicePolicyManagerService.this) { 331 mUserData.remove(userHandle); 332 } 333 } 334 handlePackagesChanged(null /* check all admins */, userHandle); 335 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 336 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 337 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 338 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 339 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 340 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 341 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 342 } 343 } 344 }; 345 346 static class ActiveAdmin { 347 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 348 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 349 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 350 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 351 = "disable-bt-contacts-sharing"; 352 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 353 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 354 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 355 private static final String TAG_ACCOUNT_TYPE = "account-type"; 356 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 357 = "permitted-accessiblity-services"; 358 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 359 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 360 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 361 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 362 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 363 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 364 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 365 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 366 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 367 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 368 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 369 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 370 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 371 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 372 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 373 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 374 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 375 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 376 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 377 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 378 private static final String ATTR_VALUE = "value"; 379 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 380 private static final String TAG_POLICIES = "policies"; 381 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 382 "cross-profile-widget-providers"; 383 private static final String TAG_PROVIDER = "provider"; 384 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 385 386 final DeviceAdminInfo info; 387 388 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 389 390 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 391 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 392 393 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 394 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 395 396 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 397 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 398 399 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 400 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 401 402 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 403 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 404 405 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 406 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 407 408 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 409 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 410 411 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 412 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 413 414 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 415 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 416 417 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 418 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 419 420 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 421 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 422 423 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 424 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 425 426 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 427 428 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 429 430 boolean encryptionRequested = false; 431 boolean disableCamera = false; 432 boolean disableCallerId = false; 433 boolean disableBluetoothContactSharing = true; 434 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 435 boolean requireAutoTime = false; // Can only be set by a device owner. 436 437 static class TrustAgentInfo { 438 public PersistableBundle options; 439 TrustAgentInfo(PersistableBundle bundle) { 440 options = bundle; 441 } 442 } 443 444 Set<String> accountTypesWithManagementDisabled = new HashSet<String>(); 445 446 // The list of permitted accessibility services package namesas set by a profile 447 // or device owner. Null means all accessibility services are allowed, empty means 448 // none except system services are allowed. 449 List<String> permittedAccessiblityServices; 450 451 // The list of permitted input methods package names as set by a profile or device owner. 452 // Null means all input methods are allowed, empty means none except system imes are 453 // allowed. 454 List<String> permittedInputMethods; 455 456 // TODO: review implementation decisions with frameworks team 457 boolean specifiesGlobalProxy = false; 458 String globalProxySpec = null; 459 String globalProxyExclusionList = null; 460 461 HashMap<String, TrustAgentInfo> trustAgentInfos = new HashMap<String, TrustAgentInfo>(); 462 463 List<String> crossProfileWidgetProviders; 464 465 ActiveAdmin(DeviceAdminInfo _info) { 466 info = _info; 467 } 468 469 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 470 471 public UserHandle getUserHandle() { 472 return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 473 } 474 475 void writeToXml(XmlSerializer out) 476 throws IllegalArgumentException, IllegalStateException, IOException { 477 out.startTag(null, TAG_POLICIES); 478 info.writePoliciesToXml(out); 479 out.endTag(null, TAG_POLICIES); 480 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 481 out.startTag(null, TAG_PASSWORD_QUALITY); 482 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 483 out.endTag(null, TAG_PASSWORD_QUALITY); 484 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 485 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 486 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 487 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 488 } 489 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 490 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 491 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 492 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 493 } 494 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 495 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 496 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 497 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 498 } 499 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 500 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 501 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 502 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 503 } 504 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 505 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 506 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 507 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 508 } 509 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 510 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 511 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 512 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 513 } 514 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 515 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 516 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 517 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 518 } 519 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 520 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 521 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 522 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 523 } 524 } 525 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 526 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 527 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 528 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 529 } 530 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 531 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 532 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 533 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 534 } 535 if (specifiesGlobalProxy) { 536 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 537 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 538 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 539 if (globalProxySpec != null) { 540 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 541 out.attribute(null, ATTR_VALUE, globalProxySpec); 542 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 543 } 544 if (globalProxyExclusionList != null) { 545 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 546 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 547 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 548 } 549 } 550 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 551 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 552 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 553 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 554 } 555 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 556 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 557 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 558 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 559 } 560 if (encryptionRequested) { 561 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 562 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 563 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 564 } 565 if (disableCamera) { 566 out.startTag(null, TAG_DISABLE_CAMERA); 567 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 568 out.endTag(null, TAG_DISABLE_CAMERA); 569 } 570 if (disableCallerId) { 571 out.startTag(null, TAG_DISABLE_CALLER_ID); 572 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 573 out.endTag(null, TAG_DISABLE_CALLER_ID); 574 } 575 if (disableBluetoothContactSharing) { 576 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 577 out.attribute(null, ATTR_VALUE, 578 Boolean.toString(disableBluetoothContactSharing)); 579 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 580 } 581 if (disableScreenCapture) { 582 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 583 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 584 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 585 } 586 if (requireAutoTime) { 587 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 588 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 589 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 590 } 591 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 592 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 593 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 594 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 595 } 596 if (!accountTypesWithManagementDisabled.isEmpty()) { 597 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 598 for (String ac : accountTypesWithManagementDisabled) { 599 out.startTag(null, TAG_ACCOUNT_TYPE); 600 out.attribute(null, ATTR_VALUE, ac); 601 out.endTag(null, TAG_ACCOUNT_TYPE); 602 } 603 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 604 } 605 if (!trustAgentInfos.isEmpty()) { 606 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 607 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 608 for (Entry<String, TrustAgentInfo> entry : set) { 609 TrustAgentInfo trustAgentInfo = entry.getValue(); 610 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 611 out.attribute(null, ATTR_VALUE, entry.getKey()); 612 if (trustAgentInfo.options != null) { 613 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 614 try { 615 trustAgentInfo.options.saveToXml(out); 616 } catch (XmlPullParserException e) { 617 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 618 } 619 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 620 } 621 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 622 } 623 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 624 } 625 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 626 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 627 final int providerCount = crossProfileWidgetProviders.size(); 628 for (int i = 0; i < providerCount; i++) { 629 String provider = crossProfileWidgetProviders.get(i); 630 out.startTag(null, TAG_PROVIDER); 631 out.attribute(null, ATTR_VALUE, provider); 632 out.endTag(null, TAG_PROVIDER); 633 } 634 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 635 } 636 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 637 permittedAccessiblityServices); 638 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 639 } 640 641 void writePackageListToXml(XmlSerializer out, String outerTag, 642 List<String> packageList) 643 throws IllegalArgumentException, IllegalStateException, IOException { 644 if (packageList == null) { 645 return; 646 } 647 648 out.startTag(null, outerTag); 649 for (String packageName : packageList) { 650 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 651 out.attribute(null, ATTR_VALUE, packageName); 652 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 653 } 654 out.endTag(null, outerTag); 655 } 656 657 void readFromXml(XmlPullParser parser) 658 throws XmlPullParserException, IOException { 659 int outerDepth = parser.getDepth(); 660 int type; 661 while ((type=parser.next()) != END_DOCUMENT 662 && (type != END_TAG || parser.getDepth() > outerDepth)) { 663 if (type == END_TAG || type == TEXT) { 664 continue; 665 } 666 String tag = parser.getName(); 667 if (TAG_POLICIES.equals(tag)) { 668 info.readPoliciesFromXml(parser); 669 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 670 passwordQuality = Integer.parseInt( 671 parser.getAttributeValue(null, ATTR_VALUE)); 672 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 673 minimumPasswordLength = Integer.parseInt( 674 parser.getAttributeValue(null, ATTR_VALUE)); 675 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 676 passwordHistoryLength = Integer.parseInt( 677 parser.getAttributeValue(null, ATTR_VALUE)); 678 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 679 minimumPasswordUpperCase = Integer.parseInt( 680 parser.getAttributeValue(null, ATTR_VALUE)); 681 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 682 minimumPasswordLowerCase = Integer.parseInt( 683 parser.getAttributeValue(null, ATTR_VALUE)); 684 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 685 minimumPasswordLetters = Integer.parseInt( 686 parser.getAttributeValue(null, ATTR_VALUE)); 687 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 688 minimumPasswordNumeric = Integer.parseInt( 689 parser.getAttributeValue(null, ATTR_VALUE)); 690 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 691 minimumPasswordSymbols = Integer.parseInt( 692 parser.getAttributeValue(null, ATTR_VALUE)); 693 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 694 minimumPasswordNonLetter = Integer.parseInt( 695 parser.getAttributeValue(null, ATTR_VALUE)); 696 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 697 maximumTimeToUnlock = Long.parseLong( 698 parser.getAttributeValue(null, ATTR_VALUE)); 699 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 700 maximumFailedPasswordsForWipe = Integer.parseInt( 701 parser.getAttributeValue(null, ATTR_VALUE)); 702 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 703 specifiesGlobalProxy = Boolean.parseBoolean( 704 parser.getAttributeValue(null, ATTR_VALUE)); 705 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 706 globalProxySpec = 707 parser.getAttributeValue(null, ATTR_VALUE); 708 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 709 globalProxyExclusionList = 710 parser.getAttributeValue(null, ATTR_VALUE); 711 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 712 passwordExpirationTimeout = Long.parseLong( 713 parser.getAttributeValue(null, ATTR_VALUE)); 714 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 715 passwordExpirationDate = Long.parseLong( 716 parser.getAttributeValue(null, ATTR_VALUE)); 717 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 718 encryptionRequested = Boolean.parseBoolean( 719 parser.getAttributeValue(null, ATTR_VALUE)); 720 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 721 disableCamera = Boolean.parseBoolean( 722 parser.getAttributeValue(null, ATTR_VALUE)); 723 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 724 disableCallerId = Boolean.parseBoolean( 725 parser.getAttributeValue(null, ATTR_VALUE)); 726 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 727 disableBluetoothContactSharing = Boolean.parseBoolean(parser 728 .getAttributeValue(null, ATTR_VALUE)); 729 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 730 disableScreenCapture = Boolean.parseBoolean( 731 parser.getAttributeValue(null, ATTR_VALUE)); 732 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 733 requireAutoTime= Boolean.parseBoolean( 734 parser.getAttributeValue(null, ATTR_VALUE)); 735 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 736 disabledKeyguardFeatures = Integer.parseInt( 737 parser.getAttributeValue(null, ATTR_VALUE)); 738 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 739 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 740 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 741 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 742 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 743 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 744 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 745 permittedAccessiblityServices = readPackageList(parser, tag); 746 } else if (TAG_PERMITTED_IMES.equals(tag)) { 747 permittedInputMethods = readPackageList(parser, tag); 748 } else { 749 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 750 } 751 XmlUtils.skipCurrentTag(parser); 752 } 753 } 754 755 private List<String> readPackageList(XmlPullParser parser, 756 String tag) throws XmlPullParserException, IOException { 757 List<String> result = new ArrayList<String>(); 758 int outerDepth = parser.getDepth(); 759 int outerType; 760 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 761 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 762 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 763 continue; 764 } 765 String outerTag = parser.getName(); 766 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 767 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 768 if (packageName != null) { 769 result.add(packageName); 770 } else { 771 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 772 } 773 } else { 774 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 775 } 776 } 777 return result; 778 } 779 780 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 781 throws XmlPullParserException, IOException { 782 int outerDepthDAM = parser.getDepth(); 783 int typeDAM; 784 Set<String> result = new HashSet<String>(); 785 while ((typeDAM=parser.next()) != END_DOCUMENT 786 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 787 if (typeDAM == END_TAG || typeDAM == TEXT) { 788 continue; 789 } 790 String tagDAM = parser.getName(); 791 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 792 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 793 } else { 794 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 795 } 796 } 797 return result; 798 } 799 800 private HashMap<String, TrustAgentInfo> getAllTrustAgentInfos( 801 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 802 int outerDepthDAM = parser.getDepth(); 803 int typeDAM; 804 HashMap<String, TrustAgentInfo> result = new HashMap<String, TrustAgentInfo>(); 805 while ((typeDAM=parser.next()) != END_DOCUMENT 806 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 807 if (typeDAM == END_TAG || typeDAM == TEXT) { 808 continue; 809 } 810 String tagDAM = parser.getName(); 811 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 812 final String component = parser.getAttributeValue(null, ATTR_VALUE); 813 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 814 result.put(component, trustAgentInfo); 815 } else { 816 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 817 } 818 } 819 return result; 820 } 821 822 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 823 throws XmlPullParserException, IOException { 824 int outerDepthDAM = parser.getDepth(); 825 int typeDAM; 826 TrustAgentInfo result = new TrustAgentInfo(null); 827 while ((typeDAM=parser.next()) != END_DOCUMENT 828 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 829 if (typeDAM == END_TAG || typeDAM == TEXT) { 830 continue; 831 } 832 String tagDAM = parser.getName(); 833 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 834 PersistableBundle bundle = new PersistableBundle(); 835 bundle.restoreFromXml(parser); 836 result.options = bundle; 837 } else { 838 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 839 } 840 } 841 return result; 842 } 843 844 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 845 throws XmlPullParserException, IOException { 846 int outerDepthDAM = parser.getDepth(); 847 int typeDAM; 848 ArrayList<String> result = null; 849 while ((typeDAM=parser.next()) != END_DOCUMENT 850 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 851 if (typeDAM == END_TAG || typeDAM == TEXT) { 852 continue; 853 } 854 String tagDAM = parser.getName(); 855 if (TAG_PROVIDER.equals(tagDAM)) { 856 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 857 if (result == null) { 858 result = new ArrayList<>(); 859 } 860 result.add(provider); 861 } else { 862 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 863 } 864 } 865 return result; 866 } 867 868 void dump(String prefix, PrintWriter pw) { 869 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 870 pw.print(prefix); pw.println("policies:"); 871 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 872 if (pols != null) { 873 for (int i=0; i<pols.size(); i++) { 874 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 875 } 876 } 877 pw.print(prefix); pw.print("passwordQuality=0x"); 878 pw.println(Integer.toHexString(passwordQuality)); 879 pw.print(prefix); pw.print("minimumPasswordLength="); 880 pw.println(minimumPasswordLength); 881 pw.print(prefix); pw.print("passwordHistoryLength="); 882 pw.println(passwordHistoryLength); 883 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 884 pw.println(minimumPasswordUpperCase); 885 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 886 pw.println(minimumPasswordLowerCase); 887 pw.print(prefix); pw.print("minimumPasswordLetters="); 888 pw.println(minimumPasswordLetters); 889 pw.print(prefix); pw.print("minimumPasswordNumeric="); 890 pw.println(minimumPasswordNumeric); 891 pw.print(prefix); pw.print("minimumPasswordSymbols="); 892 pw.println(minimumPasswordSymbols); 893 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 894 pw.println(minimumPasswordNonLetter); 895 pw.print(prefix); pw.print("maximumTimeToUnlock="); 896 pw.println(maximumTimeToUnlock); 897 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 898 pw.println(maximumFailedPasswordsForWipe); 899 pw.print(prefix); pw.print("specifiesGlobalProxy="); 900 pw.println(specifiesGlobalProxy); 901 pw.print(prefix); pw.print("passwordExpirationTimeout="); 902 pw.println(passwordExpirationTimeout); 903 pw.print(prefix); pw.print("passwordExpirationDate="); 904 pw.println(passwordExpirationDate); 905 if (globalProxySpec != null) { 906 pw.print(prefix); pw.print("globalProxySpec="); 907 pw.println(globalProxySpec); 908 } 909 if (globalProxyExclusionList != null) { 910 pw.print(prefix); pw.print("globalProxyEclusionList="); 911 pw.println(globalProxyExclusionList); 912 } 913 pw.print(prefix); pw.print("encryptionRequested="); 914 pw.println(encryptionRequested); 915 pw.print(prefix); pw.print("disableCamera="); 916 pw.println(disableCamera); 917 pw.print(prefix); pw.print("disableCallerId="); 918 pw.println(disableCallerId); 919 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 920 pw.println(disableBluetoothContactSharing); 921 pw.print(prefix); pw.print("disableScreenCapture="); 922 pw.println(disableScreenCapture); 923 pw.print(prefix); pw.print("requireAutoTime="); 924 pw.println(requireAutoTime); 925 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 926 pw.println(disabledKeyguardFeatures); 927 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 928 pw.println(crossProfileWidgetProviders); 929 if (!(permittedAccessiblityServices == null)) { 930 pw.print(prefix); pw.print("permittedAccessibilityServices="); 931 pw.println(permittedAccessiblityServices.toString()); 932 } 933 if (!(permittedInputMethods == null)) { 934 pw.print(prefix); pw.print("permittedInputMethods="); 935 pw.println(permittedInputMethods.toString()); 936 } 937 } 938 } 939 940 private void handlePackagesChanged(String packageName, int userHandle) { 941 boolean removed = false; 942 if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 943 DevicePolicyData policy = getUserData(userHandle); 944 IPackageManager pm = AppGlobals.getPackageManager(); 945 synchronized (this) { 946 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 947 ActiveAdmin aa = policy.mAdminList.get(i); 948 try { 949 // If we're checking all packages or if the specific one we're checking matches, 950 // then check if the package and receiver still exist. 951 final String adminPackage = aa.info.getPackageName(); 952 if (packageName == null || packageName.equals(adminPackage)) { 953 if (pm.getPackageInfo(adminPackage, 0, userHandle) == null 954 || pm.getReceiverInfo(aa.info.getComponent(), 0, userHandle) 955 == null) { 956 removed = true; 957 policy.mAdminList.remove(i); 958 policy.mAdminMap.remove(aa.info.getComponent()); 959 } 960 } 961 } catch (RemoteException re) { 962 // Shouldn't happen 963 } 964 } 965 if (removed) { 966 validatePasswordOwnerLocked(policy); 967 syncDeviceCapabilitiesLocked(policy); 968 saveSettingsLocked(policy.mUserHandle); 969 } 970 971 if (policy.mDelegatedCertInstallerPackage != null && 972 (packageName == null 973 || packageName.equals(policy.mDelegatedCertInstallerPackage))) { 974 try { 975 // Check if delegated cert installer package is removed. 976 if (pm.getPackageInfo( 977 policy.mDelegatedCertInstallerPackage, 0, userHandle) == null) { 978 policy.mDelegatedCertInstallerPackage = null; 979 saveSettingsLocked(policy.mUserHandle); 980 } 981 } catch (RemoteException e) { 982 // Shouldn't happen 983 } 984 } 985 } 986 } 987 988 /** 989 * Instantiates the service. 990 */ 991 public DevicePolicyManagerService(Context context) { 992 mContext = context; 993 mUserManager = UserManager.get(mContext); 994 mHasFeature = context.getPackageManager().hasSystemFeature( 995 PackageManager.FEATURE_DEVICE_ADMIN); 996 mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 997 mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class); 998 mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM"); 999 mLocalService = new LocalService(); 1000 if (!mHasFeature) { 1001 // Skip the rest of the initialization 1002 return; 1003 } 1004 IntentFilter filter = new IntentFilter(); 1005 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1006 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1007 filter.addAction(Intent.ACTION_USER_REMOVED); 1008 filter.addAction(Intent.ACTION_USER_STARTED); 1009 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1010 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1011 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1012 filter = new IntentFilter(); 1013 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1014 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1015 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1016 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1017 filter.addDataScheme("package"); 1018 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1019 1020 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1021 } 1022 1023 /** 1024 * Creates and loads the policy data from xml. 1025 * @param userHandle the user for whom to load the policy data 1026 * @return 1027 */ 1028 DevicePolicyData getUserData(int userHandle) { 1029 synchronized (this) { 1030 DevicePolicyData policy = mUserData.get(userHandle); 1031 if (policy == null) { 1032 policy = new DevicePolicyData(userHandle); 1033 mUserData.append(userHandle, policy); 1034 loadSettingsLocked(policy, userHandle); 1035 } 1036 return policy; 1037 } 1038 } 1039 1040 /** 1041 * Creates and loads the policy data from xml for data that is shared between 1042 * various profiles of a user. In contrast to {@link #getUserData(int)} 1043 * it allows access to data of users other than the calling user. 1044 * 1045 * This function should only be used for shared data, e.g. everything regarding 1046 * passwords and should be removed once multiple screen locks are present. 1047 * @param userHandle the user for whom to load the policy data 1048 * @return 1049 */ 1050 DevicePolicyData getUserDataUnchecked(int userHandle) { 1051 long ident = Binder.clearCallingIdentity(); 1052 try { 1053 return getUserData(userHandle); 1054 } finally { 1055 Binder.restoreCallingIdentity(ident); 1056 } 1057 } 1058 1059 void removeUserData(int userHandle) { 1060 synchronized (this) { 1061 if (userHandle == UserHandle.USER_OWNER) { 1062 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1063 return; 1064 } 1065 if (mDeviceOwner != null) { 1066 mDeviceOwner.removeProfileOwner(userHandle); 1067 mDeviceOwner.writeOwnerFile(); 1068 } 1069 1070 DevicePolicyData policy = mUserData.get(userHandle); 1071 if (policy != null) { 1072 mUserData.remove(userHandle); 1073 } 1074 File policyFile = new File(Environment.getUserSystemDirectory(userHandle), 1075 DEVICE_POLICIES_XML); 1076 policyFile.delete(); 1077 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1078 } 1079 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1080 } 1081 1082 void loadDeviceOwner() { 1083 synchronized (this) { 1084 mDeviceOwner = DeviceOwner.load(); 1085 } 1086 } 1087 1088 /** 1089 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1090 * reminders. Clears alarm if no expirations are configured. 1091 */ 1092 protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { 1093 final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); 1094 final long now = System.currentTimeMillis(); 1095 final long timeToExpire = expiration - now; 1096 final long alarmTime; 1097 if (expiration == 0) { 1098 // No expirations are currently configured: Cancel alarm. 1099 alarmTime = 0; 1100 } else if (timeToExpire <= 0) { 1101 // The password has already expired: Repeat every 24 hours. 1102 alarmTime = now + MS_PER_DAY; 1103 } else { 1104 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1105 // the expiration time. 1106 long alarmInterval = timeToExpire % MS_PER_DAY; 1107 if (alarmInterval == 0) { 1108 alarmInterval = MS_PER_DAY; 1109 } 1110 alarmTime = now + alarmInterval; 1111 } 1112 1113 long token = Binder.clearCallingIdentity(); 1114 try { 1115 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1116 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1117 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1118 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1119 new UserHandle(policy.mUserHandle)); 1120 am.cancel(pi); 1121 if (alarmTime != 0) { 1122 am.set(AlarmManager.RTC, alarmTime, pi); 1123 } 1124 } finally { 1125 Binder.restoreCallingIdentity(token); 1126 } 1127 } 1128 1129 private IWindowManager getWindowManager() { 1130 if (mIWindowManager == null) { 1131 IBinder b = ServiceManager.getService(Context.WINDOW_SERVICE); 1132 mIWindowManager = IWindowManager.Stub.asInterface(b); 1133 } 1134 return mIWindowManager; 1135 } 1136 1137 private NotificationManager getNotificationManager() { 1138 if (mNotificationManager == null) { 1139 mNotificationManager = 1140 (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); 1141 } 1142 return mNotificationManager; 1143 } 1144 1145 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1146 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1147 if (admin != null 1148 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1149 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1150 return admin; 1151 } 1152 return null; 1153 } 1154 1155 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1156 throws SecurityException { 1157 final int callingUid = Binder.getCallingUid(); 1158 1159 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1160 if (result != null) { 1161 return result; 1162 } 1163 1164 if (who != null) { 1165 final int userId = UserHandle.getUserId(callingUid); 1166 final DevicePolicyData policy = getUserData(userId); 1167 ActiveAdmin admin = policy.mAdminMap.get(who); 1168 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1169 throw new SecurityException("Admin " + admin.info.getComponent() 1170 + " does not own the device"); 1171 } 1172 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1173 throw new SecurityException("Admin " + admin.info.getComponent() 1174 + " does not own the profile"); 1175 } 1176 throw new SecurityException("Admin " + admin.info.getComponent() 1177 + " did not specify uses-policy for: " 1178 + admin.info.getTagForPolicy(reqPolicy)); 1179 } else { 1180 throw new SecurityException("No active admin owned by uid " 1181 + Binder.getCallingUid() + " for policy #" + reqPolicy); 1182 } 1183 } 1184 1185 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1186 int uid) { 1187 // Try to find an admin which can use reqPolicy 1188 final int userId = UserHandle.getUserId(uid); 1189 final DevicePolicyData policy = getUserData(userId); 1190 if (who != null) { 1191 ActiveAdmin admin = policy.mAdminMap.get(who); 1192 if (admin == null) { 1193 throw new SecurityException("No active admin " + who); 1194 } 1195 if (admin.getUid() != uid) { 1196 throw new SecurityException("Admin " + who + " is not owned by uid " 1197 + Binder.getCallingUid()); 1198 } 1199 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1200 return admin; 1201 } 1202 } else { 1203 for (ActiveAdmin admin : policy.mAdminList) { 1204 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 1205 userId)) { 1206 return admin; 1207 } 1208 } 1209 } 1210 1211 return null; 1212 } 1213 1214 private boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 1215 int userId) { 1216 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 1217 boolean ownsProfile = (getProfileOwner(userId) != null 1218 && getProfileOwner(userId).getPackageName() 1219 .equals(admin.info.getPackageName())); 1220 boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) 1221 && !hasUserSetupCompleted(userId); 1222 1223 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1224 if (ownsDevice || (userId == UserHandle.USER_OWNER && ownsInitialization)) { 1225 return true; 1226 } 1227 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1228 if (ownsDevice || ownsProfile || ownsInitialization) { 1229 return true; 1230 } 1231 } else { 1232 if (admin.info.usesPolicy(reqPolicy)) { 1233 return true; 1234 } 1235 } 1236 return false; 1237 } 1238 1239 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1240 sendAdminCommandLocked(admin, action, null); 1241 } 1242 1243 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1244 sendAdminCommandLocked(admin, action, null, result); 1245 } 1246 1247 /** 1248 * Send an update to one specific admin, get notified when that admin returns a result. 1249 */ 1250 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1251 BroadcastReceiver result) { 1252 Intent intent = new Intent(action); 1253 intent.setComponent(admin.info.getComponent()); 1254 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1255 intent.putExtra("expiration", admin.passwordExpirationDate); 1256 } 1257 if (adminExtras != null) { 1258 intent.putExtras(adminExtras); 1259 } 1260 if (result != null) { 1261 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1262 null, result, mHandler, Activity.RESULT_OK, null, null); 1263 } else { 1264 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 1265 } 1266 } 1267 1268 /** 1269 * Send an update to all admins of a user that enforce a specified policy. 1270 */ 1271 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 1272 final DevicePolicyData policy = getUserData(userHandle); 1273 final int count = policy.mAdminList.size(); 1274 if (count > 0) { 1275 for (int i = 0; i < count; i++) { 1276 final ActiveAdmin admin = policy.mAdminList.get(i); 1277 if (admin.info.usesPolicy(reqPolicy)) { 1278 sendAdminCommandLocked(admin, action); 1279 } 1280 } 1281 } 1282 } 1283 1284 /** 1285 * Send an update intent to all admins of a user and its profiles. Only send to admins that 1286 * enforce a specified policy. 1287 */ 1288 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 1289 int userHandle) { 1290 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1291 for (UserInfo ui : profiles) { 1292 int id = ui.id; 1293 sendAdminCommandLocked(action, reqPolicy, id); 1294 } 1295 } 1296 1297 void removeActiveAdminLocked(final ComponentName adminReceiver, int userHandle) { 1298 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1299 if (admin != null) { 1300 synchronized (this) { 1301 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 1302 } 1303 sendAdminCommandLocked(admin, 1304 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 1305 new BroadcastReceiver() { 1306 @Override 1307 public void onReceive(Context context, Intent intent) { 1308 synchronized (DevicePolicyManagerService.this) { 1309 int userHandle = admin.getUserHandle().getIdentifier(); 1310 DevicePolicyData policy = getUserData(userHandle); 1311 boolean doProxyCleanup = admin.info.usesPolicy( 1312 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 1313 policy.mAdminList.remove(admin); 1314 policy.mAdminMap.remove(adminReceiver); 1315 validatePasswordOwnerLocked(policy); 1316 syncDeviceCapabilitiesLocked(policy); 1317 if (doProxyCleanup) { 1318 resetGlobalProxyLocked(getUserData(userHandle)); 1319 } 1320 saveSettingsLocked(userHandle); 1321 updateMaximumTimeToLockLocked(policy); 1322 policy.mRemovingAdmins.remove(adminReceiver); 1323 } 1324 } 1325 }); 1326 } 1327 } 1328 1329 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle) { 1330 if (!mHasFeature) { 1331 return null; 1332 } 1333 enforceCrossUserPermission(userHandle); 1334 Intent resolveIntent = new Intent(); 1335 resolveIntent.setComponent(adminName); 1336 List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceivers( 1337 resolveIntent, 1338 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1339 userHandle); 1340 if (infos == null || infos.size() <= 0) { 1341 throw new IllegalArgumentException("Unknown admin: " + adminName); 1342 } 1343 1344 try { 1345 return new DeviceAdminInfo(mContext, infos.get(0)); 1346 } catch (XmlPullParserException e) { 1347 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1348 e); 1349 return null; 1350 } catch (IOException e) { 1351 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1352 e); 1353 return null; 1354 } 1355 } 1356 1357 private static JournaledFile makeJournaledFile(int userHandle) { 1358 final String base = userHandle == 0 1359 ? "/data/system/" + DEVICE_POLICIES_XML 1360 : new File(Environment.getUserSystemDirectory(userHandle), DEVICE_POLICIES_XML) 1361 .getAbsolutePath(); 1362 return new JournaledFile(new File(base), new File(base + ".tmp")); 1363 } 1364 1365 private void saveSettingsLocked(int userHandle) { 1366 DevicePolicyData policy = getUserData(userHandle); 1367 JournaledFile journal = makeJournaledFile(userHandle); 1368 FileOutputStream stream = null; 1369 try { 1370 stream = new FileOutputStream(journal.chooseForWrite(), false); 1371 XmlSerializer out = new FastXmlSerializer(); 1372 out.setOutput(stream, "utf-8"); 1373 out.startDocument(null, true); 1374 1375 out.startTag(null, "policies"); 1376 if (policy.mRestrictionsProvider != null) { 1377 out.attribute(null, ATTR_PERMISSION_PROVIDER, 1378 policy.mRestrictionsProvider.flattenToString()); 1379 } 1380 if (policy.mUserSetupComplete) { 1381 out.attribute(null, ATTR_SETUP_COMPLETE, 1382 Boolean.toString(true)); 1383 } 1384 if (policy.mDelegatedCertInstallerPackage != null) { 1385 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 1386 policy.mDelegatedCertInstallerPackage); 1387 } 1388 1389 1390 final int N = policy.mAdminList.size(); 1391 for (int i=0; i<N; i++) { 1392 ActiveAdmin ap = policy.mAdminList.get(i); 1393 if (ap != null) { 1394 out.startTag(null, "admin"); 1395 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 1396 ap.writeToXml(out); 1397 out.endTag(null, "admin"); 1398 } 1399 } 1400 1401 if (policy.mPasswordOwner >= 0) { 1402 out.startTag(null, "password-owner"); 1403 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 1404 out.endTag(null, "password-owner"); 1405 } 1406 1407 if (policy.mFailedPasswordAttempts != 0) { 1408 out.startTag(null, "failed-password-attempts"); 1409 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 1410 out.endTag(null, "failed-password-attempts"); 1411 } 1412 1413 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 1414 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 1415 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 1416 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 1417 out.startTag(null, "active-password"); 1418 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 1419 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 1420 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 1421 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 1422 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 1423 out.attribute(null, "numeric", Integer 1424 .toString(policy.mActivePasswordNumeric)); 1425 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 1426 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 1427 out.endTag(null, "active-password"); 1428 } 1429 1430 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 1431 String component = policy.mLockTaskPackages.get(i); 1432 out.startTag(null, LOCK_TASK_COMPONENTS_XML); 1433 out.attribute(null, "name", component); 1434 out.endTag(null, LOCK_TASK_COMPONENTS_XML); 1435 } 1436 1437 out.endTag(null, "policies"); 1438 1439 out.endDocument(); 1440 stream.flush(); 1441 FileUtils.sync(stream); 1442 stream.close(); 1443 journal.commit(); 1444 sendChangedNotification(userHandle); 1445 } catch (IOException e) { 1446 try { 1447 if (stream != null) { 1448 stream.close(); 1449 } 1450 } catch (IOException ex) { 1451 // Ignore 1452 } 1453 journal.rollback(); 1454 } 1455 } 1456 1457 private void sendChangedNotification(int userHandle) { 1458 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 1459 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 1460 long ident = Binder.clearCallingIdentity(); 1461 try { 1462 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 1463 } finally { 1464 Binder.restoreCallingIdentity(ident); 1465 } 1466 } 1467 1468 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 1469 JournaledFile journal = makeJournaledFile(userHandle); 1470 FileInputStream stream = null; 1471 File file = journal.chooseForRead(); 1472 try { 1473 stream = new FileInputStream(file); 1474 XmlPullParser parser = Xml.newPullParser(); 1475 parser.setInput(stream, null); 1476 1477 int type; 1478 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1479 && type != XmlPullParser.START_TAG) { 1480 } 1481 String tag = parser.getName(); 1482 if (!"policies".equals(tag)) { 1483 throw new XmlPullParserException( 1484 "Settings do not start with policies tag: found " + tag); 1485 } 1486 1487 // Extract the permission provider component name if available 1488 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 1489 if (permissionProvider != null) { 1490 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 1491 } 1492 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 1493 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 1494 policy.mUserSetupComplete = true; 1495 } 1496 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 1497 ATTR_DELEGATED_CERT_INSTALLER); 1498 1499 type = parser.next(); 1500 int outerDepth = parser.getDepth(); 1501 policy.mLockTaskPackages.clear(); 1502 policy.mAdminList.clear(); 1503 policy.mAdminMap.clear(); 1504 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1505 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1506 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 1507 continue; 1508 } 1509 tag = parser.getName(); 1510 if ("admin".equals(tag)) { 1511 String name = parser.getAttributeValue(null, "name"); 1512 try { 1513 DeviceAdminInfo dai = findAdmin( 1514 ComponentName.unflattenFromString(name), userHandle); 1515 if (DBG && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 1516 != userHandle)) { 1517 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 1518 + dai.getActivityInfo().applicationInfo.uid + " for user " 1519 + userHandle); 1520 } 1521 if (dai != null) { 1522 ActiveAdmin ap = new ActiveAdmin(dai); 1523 ap.readFromXml(parser); 1524 policy.mAdminMap.put(ap.info.getComponent(), ap); 1525 } 1526 } catch (RuntimeException e) { 1527 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 1528 } 1529 } else if ("failed-password-attempts".equals(tag)) { 1530 policy.mFailedPasswordAttempts = Integer.parseInt( 1531 parser.getAttributeValue(null, "value")); 1532 XmlUtils.skipCurrentTag(parser); 1533 } else if ("password-owner".equals(tag)) { 1534 policy.mPasswordOwner = Integer.parseInt( 1535 parser.getAttributeValue(null, "value")); 1536 XmlUtils.skipCurrentTag(parser); 1537 } else if ("active-password".equals(tag)) { 1538 policy.mActivePasswordQuality = Integer.parseInt( 1539 parser.getAttributeValue(null, "quality")); 1540 policy.mActivePasswordLength = Integer.parseInt( 1541 parser.getAttributeValue(null, "length")); 1542 policy.mActivePasswordUpperCase = Integer.parseInt( 1543 parser.getAttributeValue(null, "uppercase")); 1544 policy.mActivePasswordLowerCase = Integer.parseInt( 1545 parser.getAttributeValue(null, "lowercase")); 1546 policy.mActivePasswordLetters = Integer.parseInt( 1547 parser.getAttributeValue(null, "letters")); 1548 policy.mActivePasswordNumeric = Integer.parseInt( 1549 parser.getAttributeValue(null, "numeric")); 1550 policy.mActivePasswordSymbols = Integer.parseInt( 1551 parser.getAttributeValue(null, "symbols")); 1552 policy.mActivePasswordNonLetter = Integer.parseInt( 1553 parser.getAttributeValue(null, "nonletter")); 1554 XmlUtils.skipCurrentTag(parser); 1555 } else if (LOCK_TASK_COMPONENTS_XML.equals(tag)) { 1556 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 1557 XmlUtils.skipCurrentTag(parser); 1558 } else { 1559 Slog.w(LOG_TAG, "Unknown tag: " + tag); 1560 XmlUtils.skipCurrentTag(parser); 1561 } 1562 } 1563 } catch (NullPointerException e) { 1564 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1565 } catch (NumberFormatException e) { 1566 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1567 } catch (XmlPullParserException e) { 1568 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1569 } catch (FileNotFoundException e) { 1570 // Don't be noisy, this is normal if we haven't defined any policies. 1571 } catch (IOException e) { 1572 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1573 } catch (IndexOutOfBoundsException e) { 1574 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1575 } 1576 try { 1577 if (stream != null) { 1578 stream.close(); 1579 } 1580 } catch (IOException e) { 1581 // Ignore 1582 } 1583 1584 // Generate a list of admins from the admin map 1585 policy.mAdminList.addAll(policy.mAdminMap.values()); 1586 1587 // Validate that what we stored for the password quality matches 1588 // sufficiently what is currently set. Note that this is only 1589 // a sanity check in case the two get out of sync; this should 1590 // never normally happen. 1591 LockPatternUtils utils = new LockPatternUtils(mContext); 1592 if (utils.getActivePasswordQuality(userHandle) < policy.mActivePasswordQuality) { 1593 Slog.w(LOG_TAG, "Active password quality 0x" 1594 + Integer.toHexString(policy.mActivePasswordQuality) 1595 + " does not match actual quality 0x" 1596 + Integer.toHexString(utils.getActivePasswordQuality(userHandle))); 1597 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1598 policy.mActivePasswordLength = 0; 1599 policy.mActivePasswordUpperCase = 0; 1600 policy.mActivePasswordLowerCase = 0; 1601 policy.mActivePasswordLetters = 0; 1602 policy.mActivePasswordNumeric = 0; 1603 policy.mActivePasswordSymbols = 0; 1604 policy.mActivePasswordNonLetter = 0; 1605 } 1606 1607 validatePasswordOwnerLocked(policy); 1608 syncDeviceCapabilitiesLocked(policy); 1609 updateMaximumTimeToLockLocked(policy); 1610 updateLockTaskPackagesLocked(policy, userHandle); 1611 } 1612 1613 private void updateLockTaskPackagesLocked(DevicePolicyData policy, int userId) { 1614 IActivityManager am = ActivityManagerNative.getDefault(); 1615 try { 1616 am.updateLockTaskPackages(userId, policy.mLockTaskPackages.toArray(new String[0])); 1617 } catch (RemoteException e) { 1618 // Not gonna happen. 1619 } 1620 } 1621 1622 static void validateQualityConstant(int quality) { 1623 switch (quality) { 1624 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 1625 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 1626 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 1627 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 1628 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 1629 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 1630 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 1631 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 1632 return; 1633 } 1634 throw new IllegalArgumentException("Invalid quality constant: 0x" 1635 + Integer.toHexString(quality)); 1636 } 1637 1638 void validatePasswordOwnerLocked(DevicePolicyData policy) { 1639 if (policy.mPasswordOwner >= 0) { 1640 boolean haveOwner = false; 1641 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1642 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 1643 haveOwner = true; 1644 break; 1645 } 1646 } 1647 if (!haveOwner) { 1648 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 1649 + " no longer active; disabling"); 1650 policy.mPasswordOwner = -1; 1651 } 1652 } 1653 } 1654 1655 /** 1656 * Pushes down policy information to the system for any policies related to general device 1657 * capabilities that need to be enforced by lower level services (e.g. Camera services). 1658 */ 1659 void syncDeviceCapabilitiesLocked(DevicePolicyData policy) { 1660 // Ensure the status of the camera is synced down to the system. Interested native services 1661 // should monitor this value and act accordingly. 1662 String cameraPropertyForUser = SYSTEM_PROP_DISABLE_CAMERA_PREFIX + policy.mUserHandle; 1663 boolean systemState = SystemProperties.getBoolean(cameraPropertyForUser, false); 1664 boolean cameraDisabled = getCameraDisabled(null, policy.mUserHandle); 1665 if (cameraDisabled != systemState) { 1666 long token = Binder.clearCallingIdentity(); 1667 try { 1668 String value = cameraDisabled ? "1" : "0"; 1669 if (DBG) Slog.v(LOG_TAG, "Change in camera state [" 1670 + cameraPropertyForUser + "] = " + value); 1671 SystemProperties.set(cameraPropertyForUser, value); 1672 } finally { 1673 Binder.restoreCallingIdentity(token); 1674 } 1675 } 1676 } 1677 1678 public void systemReady() { 1679 if (!mHasFeature) { 1680 return; 1681 } 1682 getUserData(UserHandle.USER_OWNER); 1683 loadDeviceOwner(); 1684 cleanUpOldUsers(); 1685 // Register an observer for watching for user setup complete. 1686 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 1687 // Initialize the user setup state, to handle the upgrade case. 1688 updateUserSetupComplete(); 1689 1690 // Update the screen capture disabled cache in the window manager 1691 List<UserInfo> users = mUserManager.getUsers(true); 1692 final int N = users.size(); 1693 for (int i = 0; i < N; i++) { 1694 int userHandle = users.get(i).id; 1695 updateScreenCaptureDisabledInWindowManager(userHandle, 1696 getScreenCaptureDisabled(null, userHandle)); 1697 } 1698 1699 } 1700 1701 private void cleanUpOldUsers() { 1702 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 1703 // before reboot 1704 Set<Integer> usersWithProfileOwners; 1705 Set<Integer> usersWithData; 1706 synchronized(this) { 1707 usersWithProfileOwners = mDeviceOwner != null 1708 ? mDeviceOwner.getProfileOwnerKeys() : new HashSet<Integer>(); 1709 usersWithData = new HashSet<Integer>(); 1710 for (int i = 0; i < mUserData.size(); i++) { 1711 usersWithData.add(mUserData.keyAt(i)); 1712 } 1713 } 1714 List<UserInfo> allUsers = mUserManager.getUsers(); 1715 1716 Set<Integer> deletedUsers = new HashSet<Integer>(); 1717 deletedUsers.addAll(usersWithProfileOwners); 1718 deletedUsers.addAll(usersWithData); 1719 for (UserInfo userInfo : allUsers) { 1720 deletedUsers.remove(userInfo.id); 1721 } 1722 for (Integer userId : deletedUsers) { 1723 removeUserData(userId); 1724 } 1725 } 1726 1727 private void handlePasswordExpirationNotification(int userHandle) { 1728 synchronized (this) { 1729 final long now = System.currentTimeMillis(); 1730 1731 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1732 for (UserInfo ui : profiles) { 1733 int profileUserHandle = ui.id; 1734 final DevicePolicyData policy = getUserData(profileUserHandle); 1735 final int count = policy.mAdminList.size(); 1736 if (count > 0) { 1737 for (int i = 0; i < count; i++) { 1738 final ActiveAdmin admin = policy.mAdminList.get(i); 1739 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 1740 && admin.passwordExpirationTimeout > 0L 1741 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 1742 && admin.passwordExpirationDate > 0L) { 1743 sendAdminCommandLocked(admin, 1744 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 1745 } 1746 } 1747 } 1748 } 1749 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 1750 } 1751 } 1752 1753 private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { 1754 @Override 1755 protected Void doInBackground(Intent... params) { 1756 int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 1757 1758 if (userHandle == UserHandle.USER_ALL) { 1759 for (UserInfo userInfo : mUserManager.getUsers()) { 1760 manageNotification(userInfo.getUserHandle()); 1761 } 1762 } else { 1763 manageNotification(new UserHandle(userHandle)); 1764 } 1765 return null; 1766 } 1767 1768 private void manageNotification(UserHandle userHandle) { 1769 if (!mUserManager.isUserRunning(userHandle)) { 1770 return; 1771 } 1772 1773 // Call out to KeyChain to check for user-added CAs 1774 boolean hasCert = false; 1775 try { 1776 KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); 1777 try { 1778 if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { 1779 hasCert = true; 1780 } 1781 } catch (RemoteException e) { 1782 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1783 } finally { 1784 kcs.close(); 1785 } 1786 } catch (InterruptedException e) { 1787 Thread.currentThread().interrupt(); 1788 } catch (RuntimeException e) { 1789 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1790 } 1791 if (!hasCert) { 1792 getNotificationManager().cancelAsUser( 1793 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 1794 return; 1795 } 1796 1797 // Build and show a warning notification 1798 int smallIconId; 1799 String contentText; 1800 final String ownerName = getDeviceOwnerName(); 1801 if (isManagedProfile(userHandle.getIdentifier())) { 1802 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); 1803 smallIconId = R.drawable.stat_sys_certificate_info; 1804 } else if (ownerName != null) { 1805 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); 1806 smallIconId = R.drawable.stat_sys_certificate_info; 1807 } else { 1808 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 1809 smallIconId = android.R.drawable.stat_sys_warning; 1810 } 1811 1812 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 1813 dialogIntent.setFlags( 1814 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 1815 dialogIntent.setPackage("com.android.settings"); 1816 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 1817 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 1818 1819 final Context userContext; 1820 try { 1821 userContext = mContext.createPackageContextAsUser("android", 0, userHandle); 1822 } catch (PackageManager.NameNotFoundException e) { 1823 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 1824 return; 1825 } 1826 final Notification noti = new Notification.Builder(userContext) 1827 .setSmallIcon(smallIconId) 1828 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 1829 .setContentText(contentText) 1830 .setContentIntent(notifyIntent) 1831 .setPriority(Notification.PRIORITY_HIGH) 1832 .setShowWhen(false) 1833 .setColor(mContext.getColor( 1834 com.android.internal.R.color.system_notification_accent_color)) 1835 .build(); 1836 1837 getNotificationManager().notifyAsUser( 1838 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 1839 } 1840 } 1841 1842 /** 1843 * @param adminReceiver The admin to add 1844 * @param refreshing true = update an active admin, no error 1845 */ 1846 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 1847 if (!mHasFeature) { 1848 return; 1849 } 1850 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 1851 } 1852 1853 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 1854 Bundle onEnableData) { 1855 mContext.enforceCallingOrSelfPermission( 1856 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1857 enforceCrossUserPermission(userHandle); 1858 1859 DevicePolicyData policy = getUserData(userHandle); 1860 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle); 1861 if (info == null) { 1862 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 1863 } 1864 synchronized (this) { 1865 long ident = Binder.clearCallingIdentity(); 1866 try { 1867 if (!refreshing 1868 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 1869 throw new IllegalArgumentException("Admin is already added"); 1870 } 1871 ActiveAdmin newAdmin = new ActiveAdmin(info); 1872 policy.mAdminMap.put(adminReceiver, newAdmin); 1873 int replaceIndex = -1; 1874 final int N = policy.mAdminList.size(); 1875 for (int i=0; i < N; i++) { 1876 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 1877 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 1878 replaceIndex = i; 1879 break; 1880 } 1881 } 1882 if (replaceIndex == -1) { 1883 policy.mAdminList.add(newAdmin); 1884 enableIfNecessary(info.getPackageName(), userHandle); 1885 } else { 1886 policy.mAdminList.set(replaceIndex, newAdmin); 1887 } 1888 saveSettingsLocked(userHandle); 1889 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 1890 onEnableData, null); 1891 } finally { 1892 Binder.restoreCallingIdentity(ident); 1893 } 1894 } 1895 } 1896 1897 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 1898 if (!mHasFeature) { 1899 return false; 1900 } 1901 enforceCrossUserPermission(userHandle); 1902 synchronized (this) { 1903 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 1904 } 1905 } 1906 1907 @Override 1908 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 1909 if (!mHasFeature) { 1910 return false; 1911 } 1912 enforceCrossUserPermission(userHandle); 1913 synchronized (this) { 1914 DevicePolicyData policyData = getUserData(userHandle); 1915 return policyData.mRemovingAdmins.contains(adminReceiver); 1916 } 1917 } 1918 1919 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 1920 if (!mHasFeature) { 1921 return false; 1922 } 1923 enforceCrossUserPermission(userHandle); 1924 synchronized (this) { 1925 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1926 if (administrator == null) { 1927 throw new SecurityException("No active admin " + adminReceiver); 1928 } 1929 return administrator.info.usesPolicy(policyId); 1930 } 1931 } 1932 1933 @SuppressWarnings("unchecked") 1934 public List<ComponentName> getActiveAdmins(int userHandle) { 1935 if (!mHasFeature) { 1936 return Collections.EMPTY_LIST; 1937 } 1938 1939 enforceCrossUserPermission(userHandle); 1940 synchronized (this) { 1941 DevicePolicyData policy = getUserData(userHandle); 1942 final int N = policy.mAdminList.size(); 1943 if (N <= 0) { 1944 return null; 1945 } 1946 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 1947 for (int i=0; i<N; i++) { 1948 res.add(policy.mAdminList.get(i).info.getComponent()); 1949 } 1950 return res; 1951 } 1952 } 1953 1954 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 1955 if (!mHasFeature) { 1956 return false; 1957 } 1958 enforceCrossUserPermission(userHandle); 1959 synchronized (this) { 1960 DevicePolicyData policy = getUserData(userHandle); 1961 final int N = policy.mAdminList.size(); 1962 for (int i=0; i<N; i++) { 1963 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 1964 return true; 1965 } 1966 } 1967 return false; 1968 } 1969 } 1970 1971 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 1972 if (!mHasFeature) { 1973 return; 1974 } 1975 enforceCrossUserPermission(userHandle); 1976 synchronized (this) { 1977 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1978 if (admin == null) { 1979 return; 1980 } 1981 if (admin.getUid() != Binder.getCallingUid()) { 1982 // Active device owners must remain active admins. 1983 if (isDeviceOwner(adminReceiver.getPackageName())) { 1984 return; 1985 } 1986 mContext.enforceCallingOrSelfPermission( 1987 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1988 } 1989 long ident = Binder.clearCallingIdentity(); 1990 try { 1991 removeActiveAdminLocked(adminReceiver, userHandle); 1992 } finally { 1993 Binder.restoreCallingIdentity(ident); 1994 } 1995 } 1996 } 1997 1998 public void setPasswordQuality(ComponentName who, int quality) { 1999 if (!mHasFeature) { 2000 return; 2001 } 2002 Preconditions.checkNotNull(who, "ComponentName is null"); 2003 final int userHandle = UserHandle.getCallingUserId(); 2004 validateQualityConstant(quality); 2005 2006 synchronized (this) { 2007 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2008 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2009 if (ap.passwordQuality != quality) { 2010 ap.passwordQuality = quality; 2011 saveSettingsLocked(userHandle); 2012 } 2013 } 2014 } 2015 2016 public int getPasswordQuality(ComponentName who, int userHandle) { 2017 if (!mHasFeature) { 2018 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2019 } 2020 enforceCrossUserPermission(userHandle); 2021 synchronized (this) { 2022 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2023 2024 if (who != null) { 2025 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2026 return admin != null ? admin.passwordQuality : mode; 2027 } 2028 2029 // Return strictest policy for this user and profiles that are visible from this user. 2030 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2031 for (UserInfo userInfo : profiles) { 2032 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2033 final int N = policy.mAdminList.size(); 2034 for (int i=0; i<N; i++) { 2035 ActiveAdmin admin = policy.mAdminList.get(i); 2036 if (mode < admin.passwordQuality) { 2037 mode = admin.passwordQuality; 2038 } 2039 } 2040 } 2041 return mode; 2042 } 2043 } 2044 2045 public void setPasswordMinimumLength(ComponentName who, int length) { 2046 if (!mHasFeature) { 2047 return; 2048 } 2049 Preconditions.checkNotNull(who, "ComponentName is null"); 2050 final int userHandle = UserHandle.getCallingUserId(); 2051 synchronized (this) { 2052 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2053 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2054 if (ap.minimumPasswordLength != length) { 2055 ap.minimumPasswordLength = length; 2056 saveSettingsLocked(userHandle); 2057 } 2058 } 2059 } 2060 2061 public int getPasswordMinimumLength(ComponentName who, int userHandle) { 2062 if (!mHasFeature) { 2063 return 0; 2064 } 2065 enforceCrossUserPermission(userHandle); 2066 synchronized (this) { 2067 int length = 0; 2068 2069 if (who != null) { 2070 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2071 return admin != null ? admin.minimumPasswordLength : length; 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 (length < admin.minimumPasswordLength) { 2082 length = admin.minimumPasswordLength; 2083 } 2084 } 2085 } 2086 return length; 2087 } 2088 } 2089 2090 public void setPasswordHistoryLength(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.passwordHistoryLength != length) { 2100 ap.passwordHistoryLength = length; 2101 saveSettingsLocked(userHandle); 2102 } 2103 } 2104 } 2105 2106 public int getPasswordHistoryLength(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.passwordHistoryLength : 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.passwordHistoryLength) { 2127 length = admin.passwordHistoryLength; 2128 } 2129 } 2130 } 2131 return length; 2132 } 2133 } 2134 2135 public void setPasswordExpirationTimeout(ComponentName who, long timeout) { 2136 if (!mHasFeature) { 2137 return; 2138 } 2139 Preconditions.checkNotNull(who, "ComponentName is null"); 2140 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 2141 final int userHandle = UserHandle.getCallingUserId(); 2142 synchronized (this) { 2143 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2144 DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); 2145 // Calling this API automatically bumps the expiration date 2146 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 2147 ap.passwordExpirationDate = expiration; 2148 ap.passwordExpirationTimeout = timeout; 2149 if (timeout > 0L) { 2150 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 2151 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 2152 .format(new Date(expiration))); 2153 } 2154 saveSettingsLocked(userHandle); 2155 // in case this is the first one 2156 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 2157 } 2158 } 2159 2160 /** 2161 * Return a single admin's expiration cycle time, or the min of all cycle times. 2162 * Returns 0 if not configured. 2163 */ 2164 public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { 2165 if (!mHasFeature) { 2166 return 0L; 2167 } 2168 enforceCrossUserPermission(userHandle); 2169 synchronized (this) { 2170 long timeout = 0L; 2171 2172 if (who != null) { 2173 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2174 return admin != null ? admin.passwordExpirationTimeout : timeout; 2175 } 2176 2177 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2178 for (UserInfo userInfo : profiles) { 2179 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2180 final int N = policy.mAdminList.size(); 2181 for (int i = 0; i < N; i++) { 2182 ActiveAdmin admin = policy.mAdminList.get(i); 2183 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 2184 && timeout > admin.passwordExpirationTimeout)) { 2185 timeout = admin.passwordExpirationTimeout; 2186 } 2187 } 2188 } 2189 return timeout; 2190 } 2191 } 2192 2193 @Override 2194 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2195 final int userId = UserHandle.getCallingUserId(); 2196 List<String> changedProviders = null; 2197 2198 synchronized (this) { 2199 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2200 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2201 if (activeAdmin.crossProfileWidgetProviders == null) { 2202 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 2203 } 2204 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2205 if (!providers.contains(packageName)) { 2206 providers.add(packageName); 2207 changedProviders = new ArrayList<>(providers); 2208 saveSettingsLocked(userId); 2209 } 2210 } 2211 2212 if (changedProviders != null) { 2213 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2214 return true; 2215 } 2216 2217 return false; 2218 } 2219 2220 @Override 2221 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2222 final int userId = UserHandle.getCallingUserId(); 2223 List<String> changedProviders = null; 2224 2225 synchronized (this) { 2226 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2227 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2228 if (activeAdmin.crossProfileWidgetProviders == null) { 2229 return false; 2230 } 2231 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2232 if (providers.remove(packageName)) { 2233 changedProviders = new ArrayList<>(providers); 2234 saveSettingsLocked(userId); 2235 } 2236 } 2237 2238 if (changedProviders != null) { 2239 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2240 return true; 2241 } 2242 2243 return false; 2244 } 2245 2246 @Override 2247 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 2248 synchronized (this) { 2249 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2250 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2251 if (activeAdmin.crossProfileWidgetProviders == null 2252 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 2253 return null; 2254 } 2255 if (Binder.getCallingUid() == Process.myUid()) { 2256 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 2257 } else { 2258 return activeAdmin.crossProfileWidgetProviders; 2259 } 2260 } 2261 } 2262 2263 /** 2264 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 2265 * Returns 0 if not configured. 2266 */ 2267 private long getPasswordExpirationLocked(ComponentName who, int userHandle) { 2268 long timeout = 0L; 2269 2270 if (who != null) { 2271 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2272 return admin != null ? admin.passwordExpirationDate : timeout; 2273 } 2274 2275 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2276 for (UserInfo userInfo : profiles) { 2277 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2278 final int N = policy.mAdminList.size(); 2279 for (int i = 0; i < N; i++) { 2280 ActiveAdmin admin = policy.mAdminList.get(i); 2281 if (timeout == 0L || (admin.passwordExpirationDate != 0 2282 && timeout > admin.passwordExpirationDate)) { 2283 timeout = admin.passwordExpirationDate; 2284 } 2285 } 2286 } 2287 return timeout; 2288 } 2289 2290 public long getPasswordExpiration(ComponentName who, int userHandle) { 2291 if (!mHasFeature) { 2292 return 0L; 2293 } 2294 enforceCrossUserPermission(userHandle); 2295 synchronized (this) { 2296 return getPasswordExpirationLocked(who, userHandle); 2297 } 2298 } 2299 2300 public void setPasswordMinimumUpperCase(ComponentName who, int length) { 2301 if (!mHasFeature) { 2302 return; 2303 } 2304 Preconditions.checkNotNull(who, "ComponentName is null"); 2305 final int userHandle = UserHandle.getCallingUserId(); 2306 synchronized (this) { 2307 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2308 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2309 if (ap.minimumPasswordUpperCase != length) { 2310 ap.minimumPasswordUpperCase = length; 2311 saveSettingsLocked(userHandle); 2312 } 2313 } 2314 } 2315 2316 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { 2317 if (!mHasFeature) { 2318 return 0; 2319 } 2320 enforceCrossUserPermission(userHandle); 2321 synchronized (this) { 2322 int length = 0; 2323 2324 if (who != null) { 2325 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2326 return admin != null ? admin.minimumPasswordUpperCase : length; 2327 } 2328 2329 // Return strictest policy for this user and profiles that are visible from this user. 2330 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2331 for (UserInfo userInfo : profiles) { 2332 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2333 final int N = policy.mAdminList.size(); 2334 for (int i=0; i<N; i++) { 2335 ActiveAdmin admin = policy.mAdminList.get(i); 2336 if (length < admin.minimumPasswordUpperCase) { 2337 length = admin.minimumPasswordUpperCase; 2338 } 2339 } 2340 } 2341 return length; 2342 } 2343 } 2344 2345 public void setPasswordMinimumLowerCase(ComponentName who, int length) { 2346 Preconditions.checkNotNull(who, "ComponentName is null"); 2347 final int userHandle = UserHandle.getCallingUserId(); 2348 synchronized (this) { 2349 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2350 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2351 if (ap.minimumPasswordLowerCase != length) { 2352 ap.minimumPasswordLowerCase = length; 2353 saveSettingsLocked(userHandle); 2354 } 2355 } 2356 } 2357 2358 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { 2359 if (!mHasFeature) { 2360 return 0; 2361 } 2362 enforceCrossUserPermission(userHandle); 2363 synchronized (this) { 2364 int length = 0; 2365 2366 if (who != null) { 2367 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2368 return admin != null ? admin.minimumPasswordLowerCase : length; 2369 } 2370 2371 // Return strictest policy for this user and profiles that are visible from this user. 2372 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2373 for (UserInfo userInfo : profiles) { 2374 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2375 final int N = policy.mAdminList.size(); 2376 for (int i=0; i<N; i++) { 2377 ActiveAdmin admin = policy.mAdminList.get(i); 2378 if (length < admin.minimumPasswordLowerCase) { 2379 length = admin.minimumPasswordLowerCase; 2380 } 2381 } 2382 } 2383 return length; 2384 } 2385 } 2386 2387 public void setPasswordMinimumLetters(ComponentName who, int length) { 2388 if (!mHasFeature) { 2389 return; 2390 } 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.minimumPasswordLetters != length) { 2397 ap.minimumPasswordLetters = length; 2398 saveSettingsLocked(userHandle); 2399 } 2400 } 2401 } 2402 2403 public int getPasswordMinimumLetters(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.minimumPasswordLetters : 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 (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2424 continue; 2425 } 2426 if (length < admin.minimumPasswordLetters) { 2427 length = admin.minimumPasswordLetters; 2428 } 2429 } 2430 } 2431 return length; 2432 } 2433 } 2434 2435 public void setPasswordMinimumNumeric(ComponentName who, int length) { 2436 if (!mHasFeature) { 2437 return; 2438 } 2439 Preconditions.checkNotNull(who, "ComponentName is null"); 2440 final int userHandle = UserHandle.getCallingUserId(); 2441 synchronized (this) { 2442 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2443 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2444 if (ap.minimumPasswordNumeric != length) { 2445 ap.minimumPasswordNumeric = length; 2446 saveSettingsLocked(userHandle); 2447 } 2448 } 2449 } 2450 2451 public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { 2452 if (!mHasFeature) { 2453 return 0; 2454 } 2455 enforceCrossUserPermission(userHandle); 2456 synchronized (this) { 2457 int length = 0; 2458 2459 if (who != null) { 2460 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2461 return admin != null ? admin.minimumPasswordNumeric : length; 2462 } 2463 2464 // Return strictest policy for this user and profiles that are visible from this user. 2465 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2466 for (UserInfo userInfo : profiles) { 2467 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2468 final int N = policy.mAdminList.size(); 2469 for (int i = 0; i < N; i++) { 2470 ActiveAdmin admin = policy.mAdminList.get(i); 2471 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2472 continue; 2473 } 2474 if (length < admin.minimumPasswordNumeric) { 2475 length = admin.minimumPasswordNumeric; 2476 } 2477 } 2478 } 2479 return length; 2480 } 2481 } 2482 2483 public void setPasswordMinimumSymbols(ComponentName who, int length) { 2484 if (!mHasFeature) { 2485 return; 2486 } 2487 Preconditions.checkNotNull(who, "ComponentName is null"); 2488 final int userHandle = UserHandle.getCallingUserId(); 2489 synchronized (this) { 2490 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2491 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2492 if (ap.minimumPasswordSymbols != length) { 2493 ap.minimumPasswordSymbols = length; 2494 saveSettingsLocked(userHandle); 2495 } 2496 } 2497 } 2498 2499 public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { 2500 if (!mHasFeature) { 2501 return 0; 2502 } 2503 enforceCrossUserPermission(userHandle); 2504 synchronized (this) { 2505 int length = 0; 2506 2507 if (who != null) { 2508 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2509 return admin != null ? admin.minimumPasswordSymbols : length; 2510 } 2511 2512 // Return strictest policy for this user and profiles that are visible from this user. 2513 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2514 for (UserInfo userInfo : profiles) { 2515 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2516 final int N = policy.mAdminList.size(); 2517 for (int i=0; i<N; i++) { 2518 ActiveAdmin admin = policy.mAdminList.get(i); 2519 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2520 continue; 2521 } 2522 if (length < admin.minimumPasswordSymbols) { 2523 length = admin.minimumPasswordSymbols; 2524 } 2525 } 2526 } 2527 return length; 2528 } 2529 } 2530 2531 public void setPasswordMinimumNonLetter(ComponentName who, int length) { 2532 if (!mHasFeature) { 2533 return; 2534 } 2535 Preconditions.checkNotNull(who, "ComponentName is null"); 2536 final int userHandle = UserHandle.getCallingUserId(); 2537 synchronized (this) { 2538 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2539 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2540 if (ap.minimumPasswordNonLetter != length) { 2541 ap.minimumPasswordNonLetter = length; 2542 saveSettingsLocked(userHandle); 2543 } 2544 } 2545 } 2546 2547 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { 2548 if (!mHasFeature) { 2549 return 0; 2550 } 2551 enforceCrossUserPermission(userHandle); 2552 synchronized (this) { 2553 int length = 0; 2554 2555 if (who != null) { 2556 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2557 return admin != null ? admin.minimumPasswordNonLetter : length; 2558 } 2559 2560 // Return strictest policy for this user and profiles that are visible from this user. 2561 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2562 for (UserInfo userInfo : profiles) { 2563 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2564 final int N = policy.mAdminList.size(); 2565 for (int i=0; i<N; i++) { 2566 ActiveAdmin admin = policy.mAdminList.get(i); 2567 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2568 continue; 2569 } 2570 if (length < admin.minimumPasswordNonLetter) { 2571 length = admin.minimumPasswordNonLetter; 2572 } 2573 } 2574 } 2575 return length; 2576 } 2577 } 2578 2579 public boolean isActivePasswordSufficient(int userHandle) { 2580 if (!mHasFeature) { 2581 return true; 2582 } 2583 enforceCrossUserPermission(userHandle); 2584 2585 synchronized (this) { 2586 2587 // The active password is stored in the user that runs the launcher 2588 // If the user this is called from is part of a profile group, that is the parent 2589 // of the group. 2590 UserInfo parent = getProfileParent(userHandle); 2591 int id = (parent == null) ? userHandle : parent.id; 2592 DevicePolicyData policy = getUserDataUnchecked(id); 2593 2594 // This API can only be called by an active device admin, 2595 // so try to retrieve it to check that the caller is one. 2596 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2597 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle) 2598 || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { 2599 return false; 2600 } 2601 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2602 return true; 2603 } 2604 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) 2605 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) 2606 && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) 2607 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) 2608 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) 2609 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); 2610 } 2611 } 2612 2613 public int getCurrentFailedPasswordAttempts(int userHandle) { 2614 synchronized (this) { 2615 // This API can only be called by an active device admin, 2616 // so try to retrieve it to check that the caller is one. 2617 getActiveAdminForCallerLocked(null, 2618 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2619 2620 // The active password is stored in the parent. 2621 UserInfo parent = getProfileParent(userHandle); 2622 int id = (parent == null) ? userHandle : parent.id; 2623 DevicePolicyData policy = getUserDataUnchecked(id); 2624 2625 return policy.mFailedPasswordAttempts; 2626 } 2627 } 2628 2629 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num) { 2630 if (!mHasFeature) { 2631 return; 2632 } 2633 Preconditions.checkNotNull(who, "ComponentName is null"); 2634 final int userHandle = UserHandle.getCallingUserId(); 2635 synchronized (this) { 2636 // This API can only be called by an active device admin, 2637 // so try to retrieve it to check that the caller is one. 2638 getActiveAdminForCallerLocked(who, 2639 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2640 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2641 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2642 if (ap.maximumFailedPasswordsForWipe != num) { 2643 ap.maximumFailedPasswordsForWipe = num; 2644 saveSettingsLocked(userHandle); 2645 } 2646 } 2647 } 2648 2649 @Override 2650 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { 2651 if (!mHasFeature) { 2652 return 0; 2653 } 2654 enforceCrossUserPermission(userHandle); 2655 synchronized (this) { 2656 ActiveAdmin admin = (who != null) ? getActiveAdminUncheckedLocked(who, userHandle) 2657 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2658 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 2659 } 2660 } 2661 2662 @Override 2663 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle) { 2664 if (!mHasFeature) { 2665 return UserHandle.USER_NULL; 2666 } 2667 enforceCrossUserPermission(userHandle); 2668 synchronized (this) { 2669 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2670 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 2671 } 2672 } 2673 2674 /** 2675 * Returns the admin with the strictest policy on maximum failed passwords for this user and all 2676 * profiles that are visible from this user. If the policy for the primary and any other profile 2677 * are equal, it returns the admin for the primary profile. 2678 * Returns {@code null} if none of them have that policy set. 2679 */ 2680 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked(int userHandle) { 2681 int count = 0; 2682 ActiveAdmin strictestAdmin = null; 2683 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2684 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2685 for (ActiveAdmin admin : policy.mAdminList) { 2686 if (admin.maximumFailedPasswordsForWipe == 2687 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 2688 continue; // No max number of failed passwords policy set for this profile. 2689 } 2690 2691 // We always favor the primary profile if several profiles have the same value set. 2692 if (count == 0 || 2693 count > admin.maximumFailedPasswordsForWipe || 2694 (userInfo.isPrimary() && count >= admin.maximumFailedPasswordsForWipe)) { 2695 count = admin.maximumFailedPasswordsForWipe; 2696 strictestAdmin = admin; 2697 } 2698 } 2699 } 2700 return strictestAdmin; 2701 } 2702 2703 public boolean resetPassword(String passwordOrNull, int flags) { 2704 if (!mHasFeature) { 2705 return false; 2706 } 2707 final int userHandle = UserHandle.getCallingUserId(); 2708 enforceNotManagedProfile(userHandle, "reset the password"); 2709 2710 String password = passwordOrNull != null ? passwordOrNull : ""; 2711 2712 int quality; 2713 synchronized (this) { 2714 // This api can only be called by an active device admin, 2715 // so try to retrieve it to check that the caller is one. 2716 getActiveAdminForCallerLocked(null, 2717 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 2718 quality = getPasswordQuality(null, userHandle); 2719 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 2720 int realQuality = LockPatternUtils.computePasswordQuality(password); 2721 if (realQuality < quality 2722 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2723 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 2724 + Integer.toHexString(realQuality) 2725 + " does not meet required quality 0x" 2726 + Integer.toHexString(quality)); 2727 return false; 2728 } 2729 quality = Math.max(realQuality, quality); 2730 } 2731 int length = getPasswordMinimumLength(null, userHandle); 2732 if (password.length() < length) { 2733 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 2734 + " does not meet required length " + length); 2735 return false; 2736 } 2737 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2738 int letters = 0; 2739 int uppercase = 0; 2740 int lowercase = 0; 2741 int numbers = 0; 2742 int symbols = 0; 2743 int nonletter = 0; 2744 for (int i = 0; i < password.length(); i++) { 2745 char c = password.charAt(i); 2746 if (c >= 'A' && c <= 'Z') { 2747 letters++; 2748 uppercase++; 2749 } else if (c >= 'a' && c <= 'z') { 2750 letters++; 2751 lowercase++; 2752 } else if (c >= '0' && c <= '9') { 2753 numbers++; 2754 nonletter++; 2755 } else { 2756 symbols++; 2757 nonletter++; 2758 } 2759 } 2760 int neededLetters = getPasswordMinimumLetters(null, userHandle); 2761 if(letters < neededLetters) { 2762 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 2763 + " does not meet required number of letters " + neededLetters); 2764 return false; 2765 } 2766 int neededNumbers = getPasswordMinimumNumeric(null, userHandle); 2767 if (numbers < neededNumbers) { 2768 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 2769 + " does not meet required number of numerical digits " 2770 + neededNumbers); 2771 return false; 2772 } 2773 int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); 2774 if (lowercase < neededLowerCase) { 2775 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 2776 + " does not meet required number of lowercase letters " 2777 + neededLowerCase); 2778 return false; 2779 } 2780 int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); 2781 if (uppercase < neededUpperCase) { 2782 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 2783 + " does not meet required number of uppercase letters " 2784 + neededUpperCase); 2785 return false; 2786 } 2787 int neededSymbols = getPasswordMinimumSymbols(null, userHandle); 2788 if (symbols < neededSymbols) { 2789 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 2790 + " does not meet required number of special symbols " + neededSymbols); 2791 return false; 2792 } 2793 int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); 2794 if (nonletter < neededNonLetter) { 2795 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 2796 + " does not meet required number of non-letter characters " 2797 + neededNonLetter); 2798 return false; 2799 } 2800 } 2801 } 2802 2803 int callingUid = Binder.getCallingUid(); 2804 DevicePolicyData policy = getUserData(userHandle); 2805 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 2806 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 2807 return false; 2808 } 2809 2810 // Don't do this with the lock held, because it is going to call 2811 // back in to the service. 2812 long ident = Binder.clearCallingIdentity(); 2813 try { 2814 LockPatternUtils utils = new LockPatternUtils(mContext); 2815 if (!TextUtils.isEmpty(password)) { 2816 utils.saveLockPassword(password, quality, userHandle); 2817 } else { 2818 utils.clearLock(userHandle); 2819 } 2820 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 2821 if (requireEntry) { 2822 utils.requireCredentialEntry(UserHandle.USER_ALL); 2823 } 2824 synchronized (this) { 2825 int newOwner = requireEntry ? callingUid : -1; 2826 if (policy.mPasswordOwner != newOwner) { 2827 policy.mPasswordOwner = newOwner; 2828 saveSettingsLocked(userHandle); 2829 } 2830 } 2831 } finally { 2832 Binder.restoreCallingIdentity(ident); 2833 } 2834 2835 return true; 2836 } 2837 2838 public void setMaximumTimeToLock(ComponentName who, long timeMs) { 2839 if (!mHasFeature) { 2840 return; 2841 } 2842 Preconditions.checkNotNull(who, "ComponentName is null"); 2843 final int userHandle = UserHandle.getCallingUserId(); 2844 synchronized (this) { 2845 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2846 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2847 if (ap.maximumTimeToUnlock != timeMs) { 2848 ap.maximumTimeToUnlock = timeMs; 2849 saveSettingsLocked(userHandle); 2850 updateMaximumTimeToLockLocked(getUserData(userHandle)); 2851 } 2852 } 2853 } 2854 2855 void updateMaximumTimeToLockLocked(DevicePolicyData policy) { 2856 long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); 2857 if (policy.mLastMaximumTimeToLock == timeMs) { 2858 return; 2859 } 2860 2861 long ident = Binder.clearCallingIdentity(); 2862 try { 2863 if (timeMs <= 0) { 2864 timeMs = Integer.MAX_VALUE; 2865 } else { 2866 // Make sure KEEP_SCREEN_ON is disabled, since that 2867 // would allow bypassing of the maximum time to lock. 2868 Settings.Global.putInt(mContext.getContentResolver(), 2869 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 2870 } 2871 2872 policy.mLastMaximumTimeToLock = timeMs; 2873 mPowerManagerInternal.setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); 2874 } finally { 2875 Binder.restoreCallingIdentity(ident); 2876 } 2877 } 2878 2879 public long getMaximumTimeToLock(ComponentName who, int userHandle) { 2880 if (!mHasFeature) { 2881 return 0; 2882 } 2883 enforceCrossUserPermission(userHandle); 2884 synchronized (this) { 2885 long time = 0; 2886 2887 if (who != null) { 2888 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2889 return admin != null ? admin.maximumTimeToUnlock : time; 2890 } 2891 2892 // Return strictest policy for this user and profiles that are visible from this user. 2893 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2894 for (UserInfo userInfo : profiles) { 2895 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2896 final int N = policy.mAdminList.size(); 2897 for (int i=0; i<N; i++) { 2898 ActiveAdmin admin = policy.mAdminList.get(i); 2899 if (time == 0) { 2900 time = admin.maximumTimeToUnlock; 2901 } else if (admin.maximumTimeToUnlock != 0 2902 && time > admin.maximumTimeToUnlock) { 2903 time = admin.maximumTimeToUnlock; 2904 } 2905 } 2906 } 2907 return time; 2908 } 2909 } 2910 2911 public void lockNow() { 2912 if (!mHasFeature) { 2913 return; 2914 } 2915 synchronized (this) { 2916 // This API can only be called by an active device admin, 2917 // so try to retrieve it to check that the caller is one. 2918 getActiveAdminForCallerLocked(null, 2919 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2920 lockNowUnchecked(); 2921 } 2922 } 2923 2924 private void lockNowUnchecked() { 2925 long ident = Binder.clearCallingIdentity(); 2926 try { 2927 // Power off the display 2928 mPowerManager.goToSleep(SystemClock.uptimeMillis(), 2929 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 2930 // Ensure the device is locked 2931 new LockPatternUtils(mContext).requireCredentialEntry(UserHandle.USER_ALL); 2932 getWindowManager().lockNow(null); 2933 } catch (RemoteException e) { 2934 } finally { 2935 Binder.restoreCallingIdentity(ident); 2936 } 2937 } 2938 2939 private boolean isExtStorageEncrypted() { 2940 String state = SystemProperties.get("vold.decrypt"); 2941 return !"".equals(state); 2942 } 2943 2944 @Override 2945 public void enforceCanManageCaCerts(ComponentName who) { 2946 if (who == null) { 2947 if (!isCallerDelegatedCertInstaller()) { 2948 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 2949 } 2950 } else { 2951 synchronized (this) { 2952 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2953 } 2954 } 2955 } 2956 2957 private boolean isCallerDelegatedCertInstaller() { 2958 final int callingUid = Binder.getCallingUid(); 2959 final int userHandle = UserHandle.getUserId(callingUid); 2960 synchronized (this) { 2961 final DevicePolicyData policy = getUserData(userHandle); 2962 if (policy.mDelegatedCertInstallerPackage == null) { 2963 return false; 2964 } 2965 2966 try { 2967 int uid = mContext.getPackageManager().getPackageUid( 2968 policy.mDelegatedCertInstallerPackage, userHandle); 2969 return uid == callingUid; 2970 } catch (NameNotFoundException e) { 2971 return false; 2972 } 2973 } 2974 } 2975 2976 @Override 2977 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 2978 enforceCanManageCaCerts(admin); 2979 2980 byte[] pemCert; 2981 try { 2982 X509Certificate cert = parseCert(certBuffer); 2983 pemCert = Credentials.convertToPem(cert); 2984 } catch (CertificateException ce) { 2985 Log.e(LOG_TAG, "Problem converting cert", ce); 2986 return false; 2987 } catch (IOException ioe) { 2988 Log.e(LOG_TAG, "Problem reading cert", ioe); 2989 return false; 2990 } 2991 2992 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 2993 final long id = Binder.clearCallingIdentity(); 2994 try { 2995 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 2996 try { 2997 keyChainConnection.getService().installCaCertificate(pemCert); 2998 return true; 2999 } catch (RemoteException e) { 3000 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 3001 } finally { 3002 keyChainConnection.close(); 3003 } 3004 } catch (InterruptedException e1) { 3005 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 3006 Thread.currentThread().interrupt(); 3007 } finally { 3008 Binder.restoreCallingIdentity(id); 3009 } 3010 return false; 3011 } 3012 3013 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 3014 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 3015 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 3016 certBuffer)); 3017 } 3018 3019 @Override 3020 public void uninstallCaCert(ComponentName admin, String alias) { 3021 enforceCanManageCaCerts(admin); 3022 3023 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3024 final long id = Binder.clearCallingIdentity(); 3025 try { 3026 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3027 try { 3028 keyChainConnection.getService().deleteCaCertificate(alias); 3029 } catch (RemoteException e) { 3030 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 3031 } finally { 3032 keyChainConnection.close(); 3033 } 3034 } catch (InterruptedException ie) { 3035 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 3036 Thread.currentThread().interrupt(); 3037 } finally { 3038 Binder.restoreCallingIdentity(id); 3039 } 3040 } 3041 3042 @Override 3043 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias) { 3044 if (who == null) { 3045 if (!isCallerDelegatedCertInstaller()) { 3046 throw new SecurityException("who == null, but caller is not cert installer"); 3047 } 3048 } else { 3049 synchronized (this) { 3050 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3051 } 3052 } 3053 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3054 final long id = Binder.clearCallingIdentity(); 3055 try { 3056 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3057 try { 3058 IKeyChainService keyChain = keyChainConnection.getService(); 3059 return keyChain.installKeyPair(privKey, cert, alias); 3060 } catch (RemoteException e) { 3061 Log.e(LOG_TAG, "Installing certificate", e); 3062 } finally { 3063 keyChainConnection.close(); 3064 } 3065 } catch (InterruptedException e) { 3066 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 3067 Thread.currentThread().interrupt(); 3068 } finally { 3069 Binder.restoreCallingIdentity(id); 3070 } 3071 return false; 3072 } 3073 3074 @Override 3075 public void choosePrivateKeyAlias(final int uid, final String host, int port, final String url, 3076 final String alias, final IBinder response) { 3077 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 3078 if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID) { 3079 return; 3080 } 3081 3082 final UserHandle caller = Binder.getCallingUserHandle(); 3083 final ComponentName profileOwner = getProfileOwner(caller.getIdentifier()); 3084 3085 if (profileOwner == null) { 3086 sendPrivateKeyAliasResponse(null, response); 3087 return; 3088 } 3089 3090 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 3091 intent.setComponent(profileOwner); 3092 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 3093 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_HOST, host); 3094 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_PORT, port); 3095 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URL, url); 3096 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 3097 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 3098 3099 final long id = Binder.clearCallingIdentity(); 3100 try { 3101 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 3102 @Override 3103 public void onReceive(Context context, Intent intent) { 3104 final String chosenAlias = getResultData(); 3105 sendPrivateKeyAliasResponse(chosenAlias, response); 3106 } 3107 }, null, Activity.RESULT_OK, null, null); 3108 } finally { 3109 Binder.restoreCallingIdentity(id); 3110 } 3111 } 3112 3113 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 3114 final IKeyChainAliasCallback keyChainAliasResponse = 3115 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 3116 new AsyncTask<Void, Void, Void>() { 3117 @Override 3118 protected Void doInBackground(Void... unused) { 3119 try { 3120 keyChainAliasResponse.alias(alias); 3121 } catch (Exception e) { 3122 // Catch everything (not just RemoteException): caller could throw a 3123 // RuntimeException back across processes. 3124 Log.e(LOG_TAG, "error while responding to callback", e); 3125 } 3126 return null; 3127 } 3128 }.execute(); 3129 } 3130 3131 @Override 3132 public void setCertInstallerPackage(ComponentName who, String installerPackage) 3133 throws SecurityException { 3134 int userHandle = UserHandle.getCallingUserId(); 3135 synchronized (this) { 3136 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3137 DevicePolicyData policy = getUserData(userHandle); 3138 policy.mDelegatedCertInstallerPackage = installerPackage; 3139 saveSettingsLocked(userHandle); 3140 } 3141 } 3142 3143 @Override 3144 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 3145 int userHandle = UserHandle.getCallingUserId(); 3146 synchronized (this) { 3147 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3148 DevicePolicyData policy = getUserData(userHandle); 3149 return policy.mDelegatedCertInstallerPackage; 3150 } 3151 } 3152 3153 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 3154 // TODO: wipe all public volumes on device 3155 3156 // If the SD card is encrypted and non-removable, we have to force a wipe. 3157 boolean forceExtWipe = !Environment.isExternalStorageRemovable() && isExtStorageEncrypted(); 3158 3159 // Note: we can only do the wipe via ExternalStorageFormatter if the volume is not emulated. 3160 if ((forceExtWipe || wipeExtRequested) && !Environment.isExternalStorageEmulated()) { 3161 Intent intent = new Intent(ExternalStorageFormatter.FORMAT_AND_FACTORY_RESET); 3162 intent.putExtra(ExternalStorageFormatter.EXTRA_ALWAYS_RESET, true); 3163 intent.putExtra(Intent.EXTRA_REASON, reason); 3164 intent.setComponent(ExternalStorageFormatter.COMPONENT_NAME); 3165 mWakeLock.acquire(10000); 3166 mContext.startService(intent); 3167 } else { 3168 try { 3169 RecoverySystem.rebootWipeUserData(mContext, reason); 3170 } catch (IOException | SecurityException e) { 3171 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 3172 } 3173 } 3174 } 3175 3176 @Override 3177 public void wipeData(int flags, final int userHandle) { 3178 if (!mHasFeature) { 3179 return; 3180 } 3181 enforceCrossUserPermission(userHandle); 3182 synchronized (this) { 3183 // This API can only be called by an active device admin, 3184 // so try to retrieve it to check that the caller is one. 3185 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 3186 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 3187 3188 final String source; 3189 final ComponentName cname = admin.info.getComponent(); 3190 if (cname != null) { 3191 source = cname.flattenToShortString(); 3192 } else { 3193 source = admin.info.getPackageName(); 3194 } 3195 3196 long ident = Binder.clearCallingIdentity(); 3197 try { 3198 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 3199 boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) 3200 && !hasUserSetupCompleted(userHandle); 3201 if (userHandle != UserHandle.USER_OWNER 3202 || !(isDeviceOwner(admin.info.getPackageName()) 3203 || ownsInitialization)) { 3204 throw new SecurityException( 3205 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 3206 } 3207 PersistentDataBlockManager manager = (PersistentDataBlockManager) 3208 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 3209 if (manager != null) { 3210 manager.wipe(); 3211 } 3212 } 3213 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 3214 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 3215 "DevicePolicyManager.wipeData() from " + source); 3216 } finally { 3217 Binder.restoreCallingIdentity(ident); 3218 } 3219 } 3220 } 3221 3222 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 3223 if (userHandle == UserHandle.USER_OWNER) { 3224 wipeDataLocked(wipeExtRequested, reason); 3225 } else { 3226 mHandler.post(new Runnable() { 3227 public void run() { 3228 try { 3229 IActivityManager am = ActivityManagerNative.getDefault(); 3230 if (am.getCurrentUser().id == userHandle) { 3231 am.switchUser(UserHandle.USER_OWNER); 3232 } 3233 if (!mUserManager.removeUser(userHandle)) { 3234 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 3235 } 3236 } catch (RemoteException re) { 3237 // Shouldn't happen 3238 } 3239 } 3240 }); 3241 } 3242 } 3243 3244 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 3245 if (!mHasFeature) { 3246 return; 3247 } 3248 enforceCrossUserPermission(userHandle); 3249 mContext.enforceCallingOrSelfPermission( 3250 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3251 3252 synchronized (this) { 3253 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 3254 if (admin == null) { 3255 try { 3256 result.sendResult(null); 3257 } catch (RemoteException e) { 3258 } 3259 return; 3260 } 3261 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 3262 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 3263 intent.setComponent(admin.info.getComponent()); 3264 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 3265 null, new BroadcastReceiver() { 3266 @Override 3267 public void onReceive(Context context, Intent intent) { 3268 try { 3269 result.sendResult(getResultExtras(false)); 3270 } catch (RemoteException e) { 3271 } 3272 } 3273 }, null, Activity.RESULT_OK, null, null); 3274 } 3275 } 3276 3277 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 3278 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 3279 if (!mHasFeature) { 3280 return; 3281 } 3282 enforceCrossUserPermission(userHandle); 3283 enforceNotManagedProfile(userHandle, "set the active password"); 3284 3285 mContext.enforceCallingOrSelfPermission( 3286 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3287 DevicePolicyData p = getUserData(userHandle); 3288 3289 validateQualityConstant(quality); 3290 3291 synchronized (this) { 3292 if (p.mActivePasswordQuality != quality || p.mActivePasswordLength != length 3293 || p.mFailedPasswordAttempts != 0 || p.mActivePasswordLetters != letters 3294 || p.mActivePasswordUpperCase != uppercase 3295 || p.mActivePasswordLowerCase != lowercase 3296 || p.mActivePasswordNumeric != numbers 3297 || p.mActivePasswordSymbols != symbols 3298 || p.mActivePasswordNonLetter != nonletter) { 3299 long ident = Binder.clearCallingIdentity(); 3300 try { 3301 p.mActivePasswordQuality = quality; 3302 p.mActivePasswordLength = length; 3303 p.mActivePasswordLetters = letters; 3304 p.mActivePasswordLowerCase = lowercase; 3305 p.mActivePasswordUpperCase = uppercase; 3306 p.mActivePasswordNumeric = numbers; 3307 p.mActivePasswordSymbols = symbols; 3308 p.mActivePasswordNonLetter = nonletter; 3309 p.mFailedPasswordAttempts = 0; 3310 saveSettingsLocked(userHandle); 3311 updatePasswordExpirationsLocked(userHandle); 3312 setExpirationAlarmCheckLocked(mContext, p); 3313 sendAdminCommandToSelfAndProfilesLocked( 3314 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 3315 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 3316 } finally { 3317 Binder.restoreCallingIdentity(ident); 3318 } 3319 } 3320 } 3321 } 3322 3323 /** 3324 * Called any time the device password is updated. Resets all password expiration clocks. 3325 */ 3326 private void updatePasswordExpirationsLocked(int userHandle) { 3327 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3328 for (UserInfo userInfo : profiles) { 3329 int profileId = userInfo.id; 3330 DevicePolicyData policy = getUserDataUnchecked(profileId); 3331 final int N = policy.mAdminList.size(); 3332 if (N > 0) { 3333 for (int i=0; i<N; i++) { 3334 ActiveAdmin admin = policy.mAdminList.get(i); 3335 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 3336 long timeout = admin.passwordExpirationTimeout; 3337 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3338 admin.passwordExpirationDate = expiration; 3339 } 3340 } 3341 } 3342 saveSettingsLocked(profileId); 3343 } 3344 } 3345 3346 public void reportFailedPasswordAttempt(int userHandle) { 3347 enforceCrossUserPermission(userHandle); 3348 enforceNotManagedProfile(userHandle, "report failed password attempt"); 3349 mContext.enforceCallingOrSelfPermission( 3350 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3351 3352 long ident = Binder.clearCallingIdentity(); 3353 try { 3354 boolean wipeData = false; 3355 int identifier = 0; 3356 synchronized (this) { 3357 DevicePolicyData policy = getUserData(userHandle); 3358 policy.mFailedPasswordAttempts++; 3359 saveSettingsLocked(userHandle); 3360 if (mHasFeature) { 3361 ActiveAdmin strictestAdmin = 3362 getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 3363 int max = strictestAdmin != null 3364 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 3365 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 3366 // Wipe the user/profile associated with the policy that was violated. This 3367 // is not necessarily calling user: if the policy that fired was from a 3368 // managed profile rather than the main user profile, we wipe former only. 3369 wipeData = true; 3370 identifier = strictestAdmin.getUserHandle().getIdentifier(); 3371 } 3372 sendAdminCommandToSelfAndProfilesLocked( 3373 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 3374 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3375 } 3376 } 3377 if (wipeData) { 3378 // Call without holding lock. 3379 wipeDeviceOrUserLocked(false, identifier, 3380 "reportFailedPasswordAttempt()"); 3381 } 3382 } finally { 3383 Binder.restoreCallingIdentity(ident); 3384 } 3385 } 3386 3387 public void reportSuccessfulPasswordAttempt(int userHandle) { 3388 enforceCrossUserPermission(userHandle); 3389 mContext.enforceCallingOrSelfPermission( 3390 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3391 3392 synchronized (this) { 3393 DevicePolicyData policy = getUserData(userHandle); 3394 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 3395 long ident = Binder.clearCallingIdentity(); 3396 try { 3397 policy.mFailedPasswordAttempts = 0; 3398 policy.mPasswordOwner = -1; 3399 saveSettingsLocked(userHandle); 3400 if (mHasFeature) { 3401 sendAdminCommandToSelfAndProfilesLocked( 3402 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 3403 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3404 } 3405 } finally { 3406 Binder.restoreCallingIdentity(ident); 3407 } 3408 } 3409 } 3410 } 3411 3412 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 3413 String exclusionList) { 3414 if (!mHasFeature) { 3415 return null; 3416 } 3417 synchronized(this) { 3418 Preconditions.checkNotNull(who, "ComponentName is null"); 3419 3420 // Only check if owner has set global proxy. We don't allow other users to set it. 3421 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3422 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3423 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 3424 3425 // Scan through active admins and find if anyone has already 3426 // set the global proxy. 3427 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 3428 for (ComponentName component : compSet) { 3429 ActiveAdmin ap = policy.mAdminMap.get(component); 3430 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 3431 // Another admin already sets the global proxy 3432 // Return it to the caller. 3433 return component; 3434 } 3435 } 3436 3437 // If the user is not the owner, don't set the global proxy. Fail silently. 3438 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3439 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 3440 + UserHandle.getCallingUserId() + " is not permitted."); 3441 return null; 3442 } 3443 if (proxySpec == null) { 3444 admin.specifiesGlobalProxy = false; 3445 admin.globalProxySpec = null; 3446 admin.globalProxyExclusionList = null; 3447 } else { 3448 3449 admin.specifiesGlobalProxy = true; 3450 admin.globalProxySpec = proxySpec; 3451 admin.globalProxyExclusionList = exclusionList; 3452 } 3453 3454 // Reset the global proxy accordingly 3455 // Do this using system permissions, as apps cannot write to secure settings 3456 long origId = Binder.clearCallingIdentity(); 3457 try { 3458 resetGlobalProxyLocked(policy); 3459 } finally { 3460 Binder.restoreCallingIdentity(origId); 3461 } 3462 return null; 3463 } 3464 } 3465 3466 public ComponentName getGlobalProxyAdmin(int userHandle) { 3467 if (!mHasFeature) { 3468 return null; 3469 } 3470 enforceCrossUserPermission(userHandle); 3471 synchronized(this) { 3472 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3473 // Scan through active admins and find if anyone has already 3474 // set the global proxy. 3475 final int N = policy.mAdminList.size(); 3476 for (int i = 0; i < N; i++) { 3477 ActiveAdmin ap = policy.mAdminList.get(i); 3478 if (ap.specifiesGlobalProxy) { 3479 // Device admin sets the global proxy 3480 // Return it to the caller. 3481 return ap.info.getComponent(); 3482 } 3483 } 3484 } 3485 // No device admin sets the global proxy. 3486 return null; 3487 } 3488 3489 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 3490 synchronized (this) { 3491 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3492 } 3493 long token = Binder.clearCallingIdentity(); 3494 try { 3495 ConnectivityManager connectivityManager = (ConnectivityManager) 3496 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 3497 connectivityManager.setGlobalProxy(proxyInfo); 3498 } finally { 3499 Binder.restoreCallingIdentity(token); 3500 } 3501 } 3502 3503 private void resetGlobalProxyLocked(DevicePolicyData policy) { 3504 final int N = policy.mAdminList.size(); 3505 for (int i = 0; i < N; i++) { 3506 ActiveAdmin ap = policy.mAdminList.get(i); 3507 if (ap.specifiesGlobalProxy) { 3508 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 3509 return; 3510 } 3511 } 3512 // No device admins defining global proxies - reset global proxy settings to none 3513 saveGlobalProxyLocked(null, null); 3514 } 3515 3516 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 3517 if (exclusionList == null) { 3518 exclusionList = ""; 3519 } 3520 if (proxySpec == null) { 3521 proxySpec = ""; 3522 } 3523 // Remove white spaces 3524 proxySpec = proxySpec.trim(); 3525 String data[] = proxySpec.split(":"); 3526 int proxyPort = 8080; 3527 if (data.length > 1) { 3528 try { 3529 proxyPort = Integer.parseInt(data[1]); 3530 } catch (NumberFormatException e) {} 3531 } 3532 exclusionList = exclusionList.trim(); 3533 ContentResolver res = mContext.getContentResolver(); 3534 3535 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 3536 if (!proxyProperties.isValid()) { 3537 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 3538 return; 3539 } 3540 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 3541 Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 3542 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 3543 exclusionList); 3544 } 3545 3546 /** 3547 * Set the storage encryption request for a single admin. Returns the new total request 3548 * status (for all admins). 3549 */ 3550 public int setStorageEncryption(ComponentName who, boolean encrypt) { 3551 if (!mHasFeature) { 3552 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3553 } 3554 Preconditions.checkNotNull(who, "ComponentName is null"); 3555 final int userHandle = UserHandle.getCallingUserId(); 3556 synchronized (this) { 3557 // Check for permissions 3558 // Only owner can set storage encryption 3559 if (userHandle != UserHandle.USER_OWNER 3560 || UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3561 Slog.w(LOG_TAG, "Only owner is allowed to set storage encryption. User " 3562 + UserHandle.getCallingUserId() + " is not permitted."); 3563 return 0; 3564 } 3565 3566 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3567 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 3568 3569 // Quick exit: If the filesystem does not support encryption, we can exit early. 3570 if (!isEncryptionSupported()) { 3571 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3572 } 3573 3574 // (1) Record the value for the admin so it's sticky 3575 if (ap.encryptionRequested != encrypt) { 3576 ap.encryptionRequested = encrypt; 3577 saveSettingsLocked(userHandle); 3578 } 3579 3580 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3581 // (2) Compute "max" for all admins 3582 boolean newRequested = false; 3583 final int N = policy.mAdminList.size(); 3584 for (int i = 0; i < N; i++) { 3585 newRequested |= policy.mAdminList.get(i).encryptionRequested; 3586 } 3587 3588 // Notify OS of new request 3589 setEncryptionRequested(newRequested); 3590 3591 // Return the new global request status 3592 return newRequested 3593 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3594 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3595 } 3596 } 3597 3598 /** 3599 * Get the current storage encryption request status for a given admin, or aggregate of all 3600 * active admins. 3601 */ 3602 public boolean getStorageEncryption(ComponentName who, int userHandle) { 3603 if (!mHasFeature) { 3604 return false; 3605 } 3606 enforceCrossUserPermission(userHandle); 3607 synchronized (this) { 3608 // Check for permissions if a particular caller is specified 3609 if (who != null) { 3610 // When checking for a single caller, status is based on caller's request 3611 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 3612 return ap != null ? ap.encryptionRequested : false; 3613 } 3614 3615 // If no particular caller is specified, return the aggregate set of requests. 3616 // This is short circuited by returning true on the first hit. 3617 DevicePolicyData policy = getUserData(userHandle); 3618 final int N = policy.mAdminList.size(); 3619 for (int i = 0; i < N; i++) { 3620 if (policy.mAdminList.get(i).encryptionRequested) { 3621 return true; 3622 } 3623 } 3624 return false; 3625 } 3626 } 3627 3628 /** 3629 * Get the current encryption status of the device. 3630 */ 3631 public int getStorageEncryptionStatus(int userHandle) { 3632 if (!mHasFeature) { 3633 // Ok to return current status. 3634 } 3635 enforceCrossUserPermission(userHandle); 3636 return getEncryptionStatus(); 3637 } 3638 3639 /** 3640 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 3641 */ 3642 private boolean isEncryptionSupported() { 3643 // Note, this can be implemented as 3644 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3645 // But is provided as a separate internal method if there's a faster way to do a 3646 // simple check for supported-or-not. 3647 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3648 } 3649 3650 /** 3651 * Hook to low-levels: Reporting the current status of encryption. 3652 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 3653 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 3654 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, or 3655 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 3656 */ 3657 private int getEncryptionStatus() { 3658 String status = SystemProperties.get("ro.crypto.state", "unsupported"); 3659 if ("encrypted".equalsIgnoreCase(status)) { 3660 final long token = Binder.clearCallingIdentity(); 3661 try { 3662 return LockPatternUtils.isDeviceEncrypted() 3663 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3664 : DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 3665 } finally { 3666 Binder.restoreCallingIdentity(token); 3667 } 3668 } else if ("unencrypted".equalsIgnoreCase(status)) { 3669 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3670 } else { 3671 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3672 } 3673 } 3674 3675 /** 3676 * Hook to low-levels: If needed, record the new admin setting for encryption. 3677 */ 3678 private void setEncryptionRequested(boolean encrypt) { 3679 } 3680 3681 3682 /** 3683 * Set whether the screen capture is disabled for the user managed by the specified admin. 3684 */ 3685 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 3686 if (!mHasFeature) { 3687 return; 3688 } 3689 Preconditions.checkNotNull(who, "ComponentName is null"); 3690 final int userHandle = UserHandle.getCallingUserId(); 3691 synchronized (this) { 3692 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3693 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3694 if (ap.disableScreenCapture != disabled) { 3695 ap.disableScreenCapture = disabled; 3696 saveSettingsLocked(userHandle); 3697 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 3698 } 3699 } 3700 } 3701 3702 /** 3703 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 3704 * active admin (if given admin is null). 3705 */ 3706 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 3707 if (!mHasFeature) { 3708 return false; 3709 } 3710 synchronized (this) { 3711 if (who != null) { 3712 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3713 return (admin != null) ? admin.disableScreenCapture : false; 3714 } 3715 3716 DevicePolicyData policy = getUserData(userHandle); 3717 final int N = policy.mAdminList.size(); 3718 for (int i = 0; i < N; i++) { 3719 ActiveAdmin admin = policy.mAdminList.get(i); 3720 if (admin.disableScreenCapture) { 3721 return true; 3722 } 3723 } 3724 return false; 3725 } 3726 } 3727 3728 private void updateScreenCaptureDisabledInWindowManager(int userHandle, boolean disabled) { 3729 long ident = Binder.clearCallingIdentity(); 3730 try { 3731 getWindowManager().setScreenCaptureDisabled(userHandle, disabled); 3732 } catch (RemoteException e) { 3733 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 3734 } finally { 3735 Binder.restoreCallingIdentity(ident); 3736 } 3737 } 3738 3739 /** 3740 * Set whether auto time is required by the specified admin (must be device owner). 3741 */ 3742 public void setAutoTimeRequired(ComponentName who, boolean required) { 3743 if (!mHasFeature) { 3744 return; 3745 } 3746 Preconditions.checkNotNull(who, "ComponentName is null"); 3747 final int userHandle = UserHandle.getCallingUserId(); 3748 synchronized (this) { 3749 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3750 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3751 if (admin.requireAutoTime != required) { 3752 admin.requireAutoTime = required; 3753 saveSettingsLocked(userHandle); 3754 } 3755 } 3756 3757 // Turn AUTO_TIME on in settings if it is required 3758 if (required) { 3759 long ident = Binder.clearCallingIdentity(); 3760 try { 3761 Settings.Global.putInt(mContext.getContentResolver(), 3762 Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 3763 } finally { 3764 Binder.restoreCallingIdentity(ident); 3765 } 3766 } 3767 } 3768 3769 /** 3770 * Returns whether or not auto time is required by the device owner. 3771 */ 3772 public boolean getAutoTimeRequired() { 3773 if (!mHasFeature) { 3774 return false; 3775 } 3776 synchronized (this) { 3777 ActiveAdmin deviceOwner = getDeviceOwnerAdmin(); 3778 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 3779 } 3780 } 3781 3782 /** 3783 * The system property used to share the state of the camera. The native camera service 3784 * is expected to read this property and act accordingly. The userId should be appended 3785 * to this key. 3786 */ 3787 public static final String SYSTEM_PROP_DISABLE_CAMERA_PREFIX = "sys.secpolicy.camera.off_"; 3788 3789 /** 3790 * Disables all device cameras according to the specified admin. 3791 */ 3792 public void setCameraDisabled(ComponentName who, boolean disabled) { 3793 if (!mHasFeature) { 3794 return; 3795 } 3796 Preconditions.checkNotNull(who, "ComponentName is null"); 3797 final int userHandle = UserHandle.getCallingUserId(); 3798 synchronized (this) { 3799 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3800 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 3801 if (ap.disableCamera != disabled) { 3802 ap.disableCamera = disabled; 3803 saveSettingsLocked(userHandle); 3804 } 3805 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3806 } 3807 } 3808 3809 /** 3810 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 3811 * active admins. 3812 */ 3813 public boolean getCameraDisabled(ComponentName who, int userHandle) { 3814 if (!mHasFeature) { 3815 return false; 3816 } 3817 synchronized (this) { 3818 if (who != null) { 3819 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3820 return (admin != null) ? admin.disableCamera : false; 3821 } 3822 3823 DevicePolicyData policy = getUserData(userHandle); 3824 // Determine whether or not the device camera is disabled for any active admins. 3825 final int N = policy.mAdminList.size(); 3826 for (int i = 0; i < N; i++) { 3827 ActiveAdmin admin = policy.mAdminList.get(i); 3828 if (admin.disableCamera) { 3829 return true; 3830 } 3831 } 3832 return false; 3833 } 3834 } 3835 3836 /** 3837 * Selectively disable keyguard features. 3838 */ 3839 public void setKeyguardDisabledFeatures(ComponentName who, int which) { 3840 if (!mHasFeature) { 3841 return; 3842 } 3843 Preconditions.checkNotNull(who, "ComponentName is null"); 3844 final int userHandle = UserHandle.getCallingUserId(); 3845 enforceNotManagedProfile(userHandle, "disable keyguard features"); 3846 synchronized (this) { 3847 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3848 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 3849 if (ap.disabledKeyguardFeatures != which) { 3850 ap.disabledKeyguardFeatures = which; 3851 saveSettingsLocked(userHandle); 3852 } 3853 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3854 } 3855 } 3856 3857 /** 3858 * Gets the disabled state for features in keyguard for the given admin, 3859 * or the aggregate of all active admins if who is null. 3860 */ 3861 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { 3862 if (!mHasFeature) { 3863 return 0; 3864 } 3865 enforceCrossUserPermission(userHandle); 3866 synchronized (this) { 3867 if (who != null) { 3868 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3869 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 3870 } 3871 3872 // Determine which keyguard features are disabled for any active admins. 3873 DevicePolicyData policy = getUserData(userHandle); 3874 final int N = policy.mAdminList.size(); 3875 int which = 0; 3876 for (int i = 0; i < N; i++) { 3877 ActiveAdmin admin = policy.mAdminList.get(i); 3878 which |= admin.disabledKeyguardFeatures; 3879 } 3880 return which; 3881 } 3882 } 3883 3884 @Override 3885 public boolean setDeviceOwner(String packageName, String ownerName) { 3886 if (!mHasFeature) { 3887 return false; 3888 } 3889 if (packageName == null 3890 || !DeviceOwner.isInstalled(packageName, mContext.getPackageManager())) { 3891 throw new IllegalArgumentException("Invalid package name " + packageName 3892 + " for device owner"); 3893 } 3894 synchronized (this) { 3895 if (!allowedToSetDeviceOwnerOnDevice()) { 3896 throw new IllegalStateException( 3897 "Trying to set device owner but device is already provisioned."); 3898 } 3899 3900 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 3901 throw new IllegalStateException( 3902 "Trying to set device owner but device owner is already set."); 3903 } 3904 3905 // Shutting down backup manager service permanently. 3906 long ident = Binder.clearCallingIdentity(); 3907 try { 3908 IBackupManager ibm = IBackupManager.Stub.asInterface( 3909 ServiceManager.getService(Context.BACKUP_SERVICE)); 3910 ibm.setBackupServiceActive(UserHandle.USER_OWNER, false); 3911 } catch (RemoteException e) { 3912 throw new IllegalStateException("Failed deactivating backup service.", e); 3913 } finally { 3914 Binder.restoreCallingIdentity(ident); 3915 } 3916 3917 if (mDeviceOwner == null) { 3918 // Device owner is not set and does not exist, set it. 3919 mDeviceOwner = DeviceOwner.createWithDeviceOwner(packageName, ownerName); 3920 mDeviceOwner.writeOwnerFile(); 3921 return true; 3922 } else { 3923 // Device owner is not set but a profile owner exists, update Device owner state. 3924 mDeviceOwner.setDeviceOwner(packageName, ownerName); 3925 mDeviceOwner.writeOwnerFile(); 3926 return true; 3927 } 3928 } 3929 } 3930 3931 @Override 3932 public boolean isDeviceOwner(String packageName) { 3933 if (!mHasFeature) { 3934 return false; 3935 } 3936 synchronized (this) { 3937 return mDeviceOwner != null 3938 && mDeviceOwner.hasDeviceOwner() 3939 && mDeviceOwner.getDeviceOwnerPackageName().equals(packageName); 3940 } 3941 } 3942 3943 @Override 3944 public String getDeviceOwner() { 3945 if (!mHasFeature) { 3946 return null; 3947 } 3948 synchronized (this) { 3949 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 3950 return mDeviceOwner.getDeviceOwnerPackageName(); 3951 } 3952 } 3953 return null; 3954 } 3955 3956 @Override 3957 public String getDeviceOwnerName() { 3958 if (!mHasFeature) { 3959 return null; 3960 } 3961 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 3962 synchronized (this) { 3963 if (mDeviceOwner != null) { 3964 return mDeviceOwner.getDeviceOwnerName(); 3965 } 3966 } 3967 return null; 3968 } 3969 3970 // Returns the active device owner or null if there is no device owner. 3971 private ActiveAdmin getDeviceOwnerAdmin() { 3972 String deviceOwnerPackageName = getDeviceOwner(); 3973 if (deviceOwnerPackageName == null) { 3974 return null; 3975 } 3976 3977 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3978 final int n = policy.mAdminList.size(); 3979 for (int i = 0; i < n; i++) { 3980 ActiveAdmin admin = policy.mAdminList.get(i); 3981 if (deviceOwnerPackageName.equals(admin.info.getPackageName())) { 3982 return admin; 3983 } 3984 } 3985 return null; 3986 } 3987 3988 @Override 3989 public void clearDeviceOwner(String packageName) { 3990 Preconditions.checkNotNull(packageName, "packageName is null"); 3991 try { 3992 int uid = mContext.getPackageManager().getPackageUid(packageName, 0); 3993 if (uid != Binder.getCallingUid()) { 3994 throw new SecurityException("Invalid packageName"); 3995 } 3996 } catch (NameNotFoundException e) { 3997 throw new SecurityException(e); 3998 } 3999 if (!isDeviceOwner(packageName)) { 4000 throw new SecurityException("clearDeviceOwner can only be called by the device owner"); 4001 } 4002 synchronized (this) { 4003 long ident = Binder.clearCallingIdentity(); 4004 try { 4005 clearUserRestrictions(new UserHandle(UserHandle.USER_OWNER)); 4006 if (mDeviceOwner != null) { 4007 mDeviceOwner.clearDeviceOwner(); 4008 mDeviceOwner.writeOwnerFile(); 4009 } 4010 } finally { 4011 Binder.restoreCallingIdentity(ident); 4012 } 4013 } 4014 } 4015 4016 @Override 4017 public boolean setDeviceInitializer(ComponentName who, ComponentName initializer, 4018 String ownerName) { 4019 if (!mHasFeature) { 4020 return false; 4021 } 4022 if (initializer == null || !DeviceOwner.isInstalled( 4023 initializer.getPackageName(), mContext.getPackageManager())) { 4024 throw new IllegalArgumentException("Invalid component name " + initializer 4025 + " for device initializer"); 4026 } 4027 synchronized (this) { 4028 enforceCanSetDeviceInitializer(who); 4029 4030 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4031 throw new IllegalStateException( 4032 "Trying to set device initializer but device initializer is already set."); 4033 } 4034 4035 if (mDeviceOwner == null) { 4036 // Device owner state does not exist, create it. 4037 mDeviceOwner = DeviceOwner.createWithDeviceInitializer( 4038 initializer, ownerName); 4039 mDeviceOwner.writeOwnerFile(); 4040 return true; 4041 } else { 4042 // Device owner already exists, update it. 4043 mDeviceOwner.setDeviceInitializer(initializer, ownerName); 4044 mDeviceOwner.writeOwnerFile(); 4045 return true; 4046 } 4047 } 4048 } 4049 4050 private void enforceCanSetDeviceInitializer(ComponentName who) { 4051 if (who == null) { 4052 mContext.enforceCallingOrSelfPermission( 4053 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 4054 if (hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4055 throw new IllegalStateException( 4056 "Trying to set device initializer but device is already provisioned."); 4057 } 4058 } else { 4059 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4060 } 4061 } 4062 4063 @Override 4064 public boolean isDeviceInitializer(String packageName) { 4065 if (!mHasFeature) { 4066 return false; 4067 } 4068 synchronized (this) { 4069 return mDeviceOwner != null 4070 && mDeviceOwner.hasDeviceInitializer() 4071 && mDeviceOwner.getDeviceInitializerPackageName().equals(packageName); 4072 } 4073 } 4074 4075 @Override 4076 public String getDeviceInitializer() { 4077 if (!mHasFeature) { 4078 return null; 4079 } 4080 synchronized (this) { 4081 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4082 return mDeviceOwner.getDeviceInitializerPackageName(); 4083 } 4084 } 4085 return null; 4086 } 4087 4088 @Override 4089 public ComponentName getDeviceInitializerComponent() { 4090 if (!mHasFeature) { 4091 return null; 4092 } 4093 synchronized (this) { 4094 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4095 return mDeviceOwner.getDeviceInitializerComponent(); 4096 } 4097 } 4098 return null; 4099 } 4100 4101 @Override 4102 public void clearDeviceInitializer(ComponentName who) { 4103 if (!mHasFeature) { 4104 return; 4105 } 4106 Preconditions.checkNotNull(who, "ComponentName is null"); 4107 4108 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, UserHandle.getCallingUserId()); 4109 4110 if (admin.getUid() != Binder.getCallingUid()) { 4111 throw new SecurityException("Admin " + who + " is not owned by uid " 4112 + Binder.getCallingUid()); 4113 } 4114 4115 if (!isDeviceInitializer(admin.info.getPackageName()) 4116 && !isDeviceOwner(admin.info.getPackageName())) { 4117 throw new SecurityException( 4118 "clearDeviceInitializer can only be called by the device initializer/owner"); 4119 } 4120 synchronized (this) { 4121 long ident = Binder.clearCallingIdentity(); 4122 try { 4123 if (mDeviceOwner != null) { 4124 mDeviceOwner.clearDeviceInitializer(); 4125 mDeviceOwner.writeOwnerFile(); 4126 } 4127 } finally { 4128 Binder.restoreCallingIdentity(ident); 4129 } 4130 } 4131 } 4132 4133 @Override 4134 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 4135 if (!mHasFeature) { 4136 return false; 4137 } 4138 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4139 4140 UserInfo info = mUserManager.getUserInfo(userHandle); 4141 if (info == null) { 4142 // User doesn't exist. 4143 throw new IllegalArgumentException( 4144 "Attempted to set profile owner for invalid userId: " + userHandle); 4145 } 4146 if (info.isGuest()) { 4147 throw new IllegalStateException("Cannot set a profile owner on a guest"); 4148 } 4149 4150 if (who == null 4151 || !DeviceOwner.isInstalledForUser(who.getPackageName(), userHandle)) { 4152 throw new IllegalArgumentException("Component " + who 4153 + " not installed for userId:" + userHandle); 4154 } 4155 synchronized (this) { 4156 // Only SYSTEM_UID can override the userSetupComplete 4157 if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID 4158 && hasUserSetupCompleted(userHandle)) { 4159 throw new IllegalStateException( 4160 "Trying to set profile owner but user is already set-up."); 4161 } 4162 4163 if (mDeviceOwner == null) { 4164 // Device owner state does not exist, create it. 4165 mDeviceOwner = DeviceOwner.createWithProfileOwner(who, ownerName, 4166 userHandle); 4167 mDeviceOwner.writeOwnerFile(); 4168 return true; 4169 } else { 4170 // Device owner already exists, update it. 4171 mDeviceOwner.setProfileOwner(who, ownerName, userHandle); 4172 mDeviceOwner.writeOwnerFile(); 4173 return true; 4174 } 4175 } 4176 } 4177 4178 @Override 4179 public void clearProfileOwner(ComponentName who) { 4180 if (!mHasFeature) { 4181 return; 4182 } 4183 UserHandle callingUser = Binder.getCallingUserHandle(); 4184 // Check if this is the profile owner who is calling 4185 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4186 synchronized (this) { 4187 long ident = Binder.clearCallingIdentity(); 4188 try { 4189 clearUserRestrictions(callingUser); 4190 if (mDeviceOwner != null) { 4191 mDeviceOwner.removeProfileOwner(callingUser.getIdentifier()); 4192 mDeviceOwner.writeOwnerFile(); 4193 } 4194 } finally { 4195 Binder.restoreCallingIdentity(ident); 4196 } 4197 } 4198 } 4199 4200 private void clearUserRestrictions(UserHandle userHandle) { 4201 AudioManager audioManager = 4202 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 4203 Bundle userRestrictions = mUserManager.getUserRestrictions(); 4204 mUserManager.setUserRestrictions(new Bundle(), userHandle); 4205 if (userRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)) { 4206 audioManager.setMasterMute(false, 0); 4207 } 4208 if (userRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE)) { 4209 audioManager.setMicrophoneMute(false); 4210 } 4211 } 4212 4213 @Override 4214 public boolean hasUserSetupCompleted() { 4215 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 4216 } 4217 4218 private boolean hasUserSetupCompleted(int userHandle) { 4219 if (!mHasFeature) { 4220 return true; 4221 } 4222 DevicePolicyData policy = getUserData(userHandle); 4223 // If policy is null, return true, else check if the setup has completed. 4224 return policy == null || policy.mUserSetupComplete; 4225 } 4226 4227 @Override 4228 public boolean setUserEnabled(ComponentName who) { 4229 if (!mHasFeature) { 4230 return false; 4231 } 4232 synchronized (this) { 4233 if (who == null) { 4234 throw new NullPointerException("ComponentName is null"); 4235 } 4236 int userId = UserHandle.getCallingUserId(); 4237 4238 ActiveAdmin activeAdmin = 4239 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4240 if (!isDeviceInitializer(activeAdmin.info.getPackageName())) { 4241 throw new SecurityException( 4242 "This method can only be called by device initializers"); 4243 } 4244 4245 long id = Binder.clearCallingIdentity(); 4246 try { 4247 if (!isDeviceOwner(activeAdmin.info.getPackageName())) { 4248 IPackageManager ipm = AppGlobals.getPackageManager(); 4249 ipm.setComponentEnabledSetting(who, 4250 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 4251 PackageManager.DONT_KILL_APP, userId); 4252 4253 removeActiveAdmin(who, userId); 4254 } 4255 4256 if (userId == UserHandle.USER_OWNER) { 4257 Settings.Global.putInt(mContext.getContentResolver(), 4258 Settings.Global.DEVICE_PROVISIONED, 1); 4259 } 4260 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4261 Settings.Secure.USER_SETUP_COMPLETE, 1, userId); 4262 } catch (RemoteException e) { 4263 Log.i(LOG_TAG, "Can't talk to package manager", e); 4264 return false; 4265 } finally { 4266 restoreCallingIdentity(id); 4267 } 4268 return true; 4269 } 4270 } 4271 4272 @Override 4273 public void setProfileEnabled(ComponentName who) { 4274 if (!mHasFeature) { 4275 return; 4276 } 4277 Preconditions.checkNotNull(who, "ComponentName is null"); 4278 final int userHandle = UserHandle.getCallingUserId(); 4279 synchronized (this) { 4280 // Check if this is the profile owner who is calling 4281 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4282 int userId = UserHandle.getCallingUserId(); 4283 4284 long id = Binder.clearCallingIdentity(); 4285 try { 4286 mUserManager.setUserEnabled(userId); 4287 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 4288 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userHandle)); 4289 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 4290 Intent.FLAG_RECEIVER_FOREGROUND); 4291 // TODO This should send to parent of profile (which is always owner at the moment). 4292 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 4293 } finally { 4294 restoreCallingIdentity(id); 4295 } 4296 } 4297 } 4298 4299 @Override 4300 public void setProfileName(ComponentName who, String profileName) { 4301 Preconditions.checkNotNull(who, "ComponentName is null"); 4302 int userId = UserHandle.getCallingUserId(); 4303 // Check if this is the profile owner (includes device owner). 4304 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4305 4306 long id = Binder.clearCallingIdentity(); 4307 try { 4308 mUserManager.setUserName(userId, profileName); 4309 } finally { 4310 restoreCallingIdentity(id); 4311 } 4312 } 4313 4314 @Override 4315 public ComponentName getProfileOwner(int userHandle) { 4316 if (!mHasFeature) { 4317 return null; 4318 } 4319 4320 synchronized (this) { 4321 if (mDeviceOwner != null) { 4322 return mDeviceOwner.getProfileOwnerComponent(userHandle); 4323 } 4324 } 4325 return null; 4326 } 4327 4328 // Returns the active profile owner for this user or null if the current user has no 4329 // profile owner. 4330 private ActiveAdmin getProfileOwnerAdmin(int userHandle) { 4331 ComponentName profileOwner = 4332 mDeviceOwner != null ? mDeviceOwner.getProfileOwnerComponent(userHandle) : null; 4333 if (profileOwner == null) { 4334 return null; 4335 } 4336 4337 DevicePolicyData policy = getUserData(userHandle); 4338 final int n = policy.mAdminList.size(); 4339 for (int i = 0; i < n; i++) { 4340 ActiveAdmin admin = policy.mAdminList.get(i); 4341 if (profileOwner.equals(admin.info.getComponent())) { 4342 return admin; 4343 } 4344 } 4345 return null; 4346 } 4347 4348 @Override 4349 public String getProfileOwnerName(int userHandle) { 4350 if (!mHasFeature) { 4351 return null; 4352 } 4353 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4354 4355 synchronized (this) { 4356 if (mDeviceOwner != null) { 4357 return mDeviceOwner.getProfileOwnerName(userHandle); 4358 } 4359 } 4360 return null; 4361 } 4362 4363 /** 4364 * Device owner can only be set on an unprovisioned device. However, if initiated via "adb", 4365 * we also allow it if no accounts or additional users are present on the device. 4366 */ 4367 private boolean allowedToSetDeviceOwnerOnDevice() { 4368 if (!hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4369 return true; 4370 } 4371 4372 int callingId = Binder.getCallingUid(); 4373 return (callingId == Process.SHELL_UID || callingId == Process.ROOT_UID) 4374 && mUserManager.getUserCount() == 1 4375 && AccountManager.get(mContext).getAccounts().length == 0; 4376 } 4377 4378 private void enforceCrossUserPermission(int userHandle) { 4379 if (userHandle < 0) { 4380 throw new IllegalArgumentException("Invalid userId " + userHandle); 4381 } 4382 final int callingUid = Binder.getCallingUid(); 4383 if (userHandle == UserHandle.getUserId(callingUid)) return; 4384 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4385 mContext.enforceCallingOrSelfPermission( 4386 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "Must be system or have" 4387 + " INTERACT_ACROSS_USERS_FULL permission"); 4388 } 4389 } 4390 4391 private void enforceSystemProcess(String message) { 4392 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4393 throw new SecurityException(message); 4394 } 4395 } 4396 4397 private void enforceNotManagedProfile(int userHandle, String message) { 4398 if(isManagedProfile(userHandle)) { 4399 throw new SecurityException("You can not " + message + " for a managed profile. "); 4400 } 4401 } 4402 4403 private UserInfo getProfileParent(int userHandle) { 4404 long ident = Binder.clearCallingIdentity(); 4405 try { 4406 return mUserManager.getProfileParent(userHandle); 4407 } finally { 4408 Binder.restoreCallingIdentity(ident); 4409 } 4410 } 4411 4412 private boolean isManagedProfile(int userHandle) { 4413 long ident = Binder.clearCallingIdentity(); 4414 try { 4415 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 4416 } finally { 4417 Binder.restoreCallingIdentity(ident); 4418 } 4419 } 4420 4421 private void enableIfNecessary(String packageName, int userId) { 4422 try { 4423 IPackageManager ipm = AppGlobals.getPackageManager(); 4424 ApplicationInfo ai = ipm.getApplicationInfo(packageName, 4425 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 4426 userId); 4427 if (ai.enabledSetting 4428 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 4429 ipm.setApplicationEnabledSetting(packageName, 4430 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 4431 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 4432 } 4433 } catch (RemoteException e) { 4434 } 4435 } 4436 4437 @Override 4438 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4439 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4440 != PackageManager.PERMISSION_GRANTED) { 4441 4442 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 4443 + Binder.getCallingPid() 4444 + ", uid=" + Binder.getCallingUid()); 4445 return; 4446 } 4447 4448 final Printer p = new PrintWriterPrinter(pw); 4449 4450 synchronized (this) { 4451 p.println("Current Device Policy Manager state:"); 4452 if (mDeviceOwner != null) { 4453 mDeviceOwner.dump(" ", pw); 4454 } 4455 int userCount = mUserData.size(); 4456 for (int u = 0; u < userCount; u++) { 4457 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 4458 p.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); 4459 final int N = policy.mAdminList.size(); 4460 for (int i=0; i<N; i++) { 4461 ActiveAdmin ap = policy.mAdminList.get(i); 4462 if (ap != null) { 4463 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 4464 pw.println(":"); 4465 ap.dump(" ", pw); 4466 } 4467 } 4468 if (!policy.mRemovingAdmins.isEmpty()) { 4469 p.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 4470 + policy.mRemovingAdmins); 4471 } 4472 4473 pw.println(" "); 4474 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 4475 } 4476 } 4477 } 4478 4479 @Override 4480 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 4481 ComponentName activity) { 4482 Preconditions.checkNotNull(who, "ComponentName is null"); 4483 final int userHandle = UserHandle.getCallingUserId(); 4484 synchronized (this) { 4485 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4486 4487 IPackageManager pm = AppGlobals.getPackageManager(); 4488 long id = Binder.clearCallingIdentity(); 4489 try { 4490 pm.addPersistentPreferredActivity(filter, activity, userHandle); 4491 } catch (RemoteException re) { 4492 // Shouldn't happen 4493 } finally { 4494 restoreCallingIdentity(id); 4495 } 4496 } 4497 } 4498 4499 @Override 4500 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 4501 Preconditions.checkNotNull(who, "ComponentName is null"); 4502 final int userHandle = UserHandle.getCallingUserId(); 4503 synchronized (this) { 4504 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4505 4506 IPackageManager pm = AppGlobals.getPackageManager(); 4507 long id = Binder.clearCallingIdentity(); 4508 try { 4509 pm.clearPackagePersistentPreferredActivities(packageName, userHandle); 4510 } catch (RemoteException re) { 4511 // Shouldn't happen 4512 } finally { 4513 restoreCallingIdentity(id); 4514 } 4515 } 4516 } 4517 4518 @Override 4519 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 4520 Preconditions.checkNotNull(who, "ComponentName is null"); 4521 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4522 synchronized (this) { 4523 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4524 4525 long id = Binder.clearCallingIdentity(); 4526 try { 4527 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 4528 } finally { 4529 restoreCallingIdentity(id); 4530 } 4531 } 4532 } 4533 4534 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 4535 PersistableBundle args) { 4536 if (!mHasFeature) { 4537 return; 4538 } 4539 Preconditions.checkNotNull(admin, "admin is null"); 4540 Preconditions.checkNotNull(agent, "agent is null"); 4541 final int userHandle = UserHandle.getCallingUserId(); 4542 enforceNotManagedProfile(userHandle, "set trust agent configuration"); 4543 synchronized (this) { 4544 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 4545 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4546 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 4547 saveSettingsLocked(userHandle); 4548 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4549 } 4550 } 4551 4552 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 4553 ComponentName agent, int userHandle) { 4554 if (!mHasFeature) { 4555 return null; 4556 } 4557 Preconditions.checkNotNull(agent, "agent null"); 4558 enforceCrossUserPermission(userHandle); 4559 4560 synchronized (this) { 4561 final String componentName = agent.flattenToString(); 4562 if (admin != null) { 4563 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 4564 if (ap == null) return null; 4565 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 4566 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 4567 List<PersistableBundle> result = new ArrayList<PersistableBundle>(); 4568 result.add(trustAgentInfo.options); 4569 return result; 4570 } 4571 4572 // Return strictest policy for this user and profiles that are visible from this user. 4573 final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 4574 List<PersistableBundle> result = null; 4575 4576 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 4577 // of the options. If any admin doesn't have options, discard options for the rest 4578 // and return null. 4579 boolean allAdminsHaveOptions = true; 4580 for (UserInfo userInfo : profiles) { 4581 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 4582 final int N = policy.mAdminList.size(); 4583 for (int i=0; i < N; i++) { 4584 final ActiveAdmin active = policy.mAdminList.get(i); 4585 final boolean disablesTrust = (active.disabledKeyguardFeatures 4586 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 4587 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 4588 if (info != null && info.options != null && !info.options.isEmpty()) { 4589 if (disablesTrust) { 4590 if (result == null) { 4591 result = new ArrayList<PersistableBundle>(); 4592 } 4593 result.add(info.options); 4594 } else { 4595 Log.w(LOG_TAG, "Ignoring admin " + active.info 4596 + " because it has trust options but doesn't declare " 4597 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 4598 } 4599 } else if (disablesTrust) { 4600 allAdminsHaveOptions = false; 4601 break; 4602 } 4603 } 4604 } 4605 return allAdminsHaveOptions ? result : null; 4606 } 4607 } 4608 4609 @Override 4610 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 4611 Preconditions.checkNotNull(who, "ComponentName is null"); 4612 synchronized (this) { 4613 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4614 4615 int userHandle = UserHandle.getCallingUserId(); 4616 DevicePolicyData userData = getUserData(userHandle); 4617 userData.mRestrictionsProvider = permissionProvider; 4618 saveSettingsLocked(userHandle); 4619 } 4620 } 4621 4622 @Override 4623 public ComponentName getRestrictionsProvider(int userHandle) { 4624 synchronized (this) { 4625 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4626 throw new SecurityException("Only the system can query the permission provider"); 4627 } 4628 DevicePolicyData userData = getUserData(userHandle); 4629 return userData != null ? userData.mRestrictionsProvider : null; 4630 } 4631 } 4632 4633 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 4634 Preconditions.checkNotNull(who, "ComponentName is null"); 4635 int callingUserId = UserHandle.getCallingUserId(); 4636 synchronized (this) { 4637 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4638 4639 IPackageManager pm = AppGlobals.getPackageManager(); 4640 long id = Binder.clearCallingIdentity(); 4641 try { 4642 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 4643 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), callingUserId, 4644 UserHandle.USER_OWNER, 0); 4645 } 4646 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 4647 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4648 UserHandle.USER_OWNER, callingUserId, 0); 4649 } 4650 } catch (RemoteException re) { 4651 // Shouldn't happen 4652 } finally { 4653 restoreCallingIdentity(id); 4654 } 4655 } 4656 } 4657 4658 public void clearCrossProfileIntentFilters(ComponentName who) { 4659 Preconditions.checkNotNull(who, "ComponentName is null"); 4660 int callingUserId = UserHandle.getCallingUserId(); 4661 synchronized (this) { 4662 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4663 IPackageManager pm = AppGlobals.getPackageManager(); 4664 long id = Binder.clearCallingIdentity(); 4665 try { 4666 // Removing those that go from the managed profile to the primary user. 4667 pm.clearCrossProfileIntentFilters(callingUserId, who.getPackageName()); 4668 // And those that go from the primary user to the managed profile. 4669 // If we want to support multiple managed profiles, we will have to only remove 4670 // those that have callingUserId as their target. 4671 pm.clearCrossProfileIntentFilters(UserHandle.USER_OWNER, who.getPackageName()); 4672 } catch (RemoteException re) { 4673 // Shouldn't happen 4674 } finally { 4675 restoreCallingIdentity(id); 4676 } 4677 } 4678 } 4679 4680 /** 4681 * @return true if all packages in enabledPackages are either in the list 4682 * permittedList or are a system app. 4683 */ 4684 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 4685 List<String> permittedList) { 4686 int userIdToCheck = UserHandle.getCallingUserId(); 4687 long id = Binder.clearCallingIdentity(); 4688 try { 4689 // If we have an enabled packages list for a managed profile the packages 4690 // we should check are installed for the parent user. 4691 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 4692 if (user.isManagedProfile()) { 4693 userIdToCheck = user.profileGroupId; 4694 } 4695 4696 IPackageManager pm = AppGlobals.getPackageManager(); 4697 for (String enabledPackage : enabledPackages) { 4698 boolean systemService = false; 4699 try { 4700 ApplicationInfo applicationInfo = pm.getApplicationInfo(enabledPackage, 4701 PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 4702 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 4703 } catch (RemoteException e) { 4704 Log.i(LOG_TAG, "Can't talk to package managed", e); 4705 } 4706 if (!systemService && !permittedList.contains(enabledPackage)) { 4707 return false; 4708 } 4709 } 4710 } finally { 4711 restoreCallingIdentity(id); 4712 } 4713 return true; 4714 } 4715 4716 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 4717 // Not using AccessibilityManager.getInstance because that guesses 4718 // at the user you require based on callingUid and caches for a given 4719 // process. 4720 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 4721 IAccessibilityManager service = iBinder == null 4722 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 4723 return new AccessibilityManager(mContext, service, userId); 4724 } 4725 4726 @Override 4727 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 4728 if (!mHasFeature) { 4729 return false; 4730 } 4731 Preconditions.checkNotNull(who, "ComponentName is null"); 4732 4733 if (packageList != null) { 4734 int userId = UserHandle.getCallingUserId(); 4735 List<AccessibilityServiceInfo> enabledServices = null; 4736 long id = Binder.clearCallingIdentity(); 4737 try { 4738 UserInfo user = mUserManager.getUserInfo(userId); 4739 if (user.isManagedProfile()) { 4740 userId = user.profileGroupId; 4741 } 4742 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 4743 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 4744 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 4745 } finally { 4746 restoreCallingIdentity(id); 4747 } 4748 4749 if (enabledServices != null) { 4750 List<String> enabledPackages = new ArrayList<String>(); 4751 for (AccessibilityServiceInfo service : enabledServices) { 4752 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 4753 } 4754 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 4755 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 4756 + "because it contains already enabled accesibility services."); 4757 return false; 4758 } 4759 } 4760 } 4761 4762 synchronized (this) { 4763 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4764 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4765 admin.permittedAccessiblityServices = packageList; 4766 saveSettingsLocked(UserHandle.getCallingUserId()); 4767 } 4768 return true; 4769 } 4770 4771 @Override 4772 public List getPermittedAccessibilityServices(ComponentName who) { 4773 if (!mHasFeature) { 4774 return null; 4775 } 4776 Preconditions.checkNotNull(who, "ComponentName is null"); 4777 4778 synchronized (this) { 4779 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4780 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4781 return admin.permittedAccessiblityServices; 4782 } 4783 } 4784 4785 @Override 4786 public List getPermittedAccessibilityServicesForUser(int userId) { 4787 if (!mHasFeature) { 4788 return null; 4789 } 4790 synchronized (this) { 4791 List<String> result = null; 4792 // If we have multiple profiles we return the intersection of the 4793 // permitted lists. This can happen in cases where we have a device 4794 // and profile owner. 4795 List<UserInfo> profiles = mUserManager.getProfiles(userId); 4796 final int PROFILES_SIZE = profiles.size(); 4797 for (int i = 0; i < PROFILES_SIZE; ++i) { 4798 // Just loop though all admins, only device or profiles 4799 // owners can have permitted lists set. 4800 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 4801 final int N = policy.mAdminList.size(); 4802 for (int j = 0; j < N; j++) { 4803 ActiveAdmin admin = policy.mAdminList.get(j); 4804 List<String> fromAdmin = admin.permittedAccessiblityServices; 4805 if (fromAdmin != null) { 4806 if (result == null) { 4807 result = new ArrayList<String>(fromAdmin); 4808 } else { 4809 result.retainAll(fromAdmin); 4810 } 4811 } 4812 } 4813 } 4814 4815 // If we have a permitted list add all system accessibility services. 4816 if (result != null) { 4817 long id = Binder.clearCallingIdentity(); 4818 try { 4819 UserInfo user = mUserManager.getUserInfo(userId); 4820 if (user.isManagedProfile()) { 4821 userId = user.profileGroupId; 4822 } 4823 AccessibilityManager accessibilityManager = 4824 getAccessibilityManagerForUser(userId); 4825 List<AccessibilityServiceInfo> installedServices = 4826 accessibilityManager.getInstalledAccessibilityServiceList(); 4827 4828 IPackageManager pm = AppGlobals.getPackageManager(); 4829 if (installedServices != null) { 4830 for (AccessibilityServiceInfo service : installedServices) { 4831 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 4832 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 4833 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 4834 result.add(serviceInfo.packageName); 4835 } 4836 } 4837 } 4838 } finally { 4839 restoreCallingIdentity(id); 4840 } 4841 } 4842 4843 return result; 4844 } 4845 } 4846 4847 private boolean checkCallerIsCurrentUserOrProfile() { 4848 int callingUserId = UserHandle.getCallingUserId(); 4849 long token = Binder.clearCallingIdentity(); 4850 try { 4851 UserInfo currentUser; 4852 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 4853 try { 4854 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 4855 } catch (RemoteException e) { 4856 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 4857 return false; 4858 } 4859 4860 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 4861 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 4862 + "of a user that isn't the foreground user."); 4863 return false; 4864 } 4865 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 4866 Slog.e(LOG_TAG, "Cannot set permitted input methods " 4867 + "of a user that isn't the foreground user."); 4868 return false; 4869 } 4870 } finally { 4871 Binder.restoreCallingIdentity(token); 4872 } 4873 return true; 4874 } 4875 4876 @Override 4877 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 4878 if (!mHasFeature) { 4879 return false; 4880 } 4881 Preconditions.checkNotNull(who, "ComponentName is null"); 4882 4883 // TODO When InputMethodManager supports per user calls remove 4884 // this restriction. 4885 if (!checkCallerIsCurrentUserOrProfile()) { 4886 return false; 4887 } 4888 4889 if (packageList != null) { 4890 // InputMethodManager fetches input methods for current user. 4891 // So this can only be set when calling user is the current user 4892 // or parent is current user in case of managed profiles. 4893 InputMethodManager inputMethodManager = (InputMethodManager) mContext 4894 .getSystemService(Context.INPUT_METHOD_SERVICE); 4895 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 4896 4897 if (enabledImes != null) { 4898 List<String> enabledPackages = new ArrayList<String>(); 4899 for (InputMethodInfo ime : enabledImes) { 4900 enabledPackages.add(ime.getPackageName()); 4901 } 4902 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 4903 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 4904 + "because it contains already enabled input method."); 4905 return false; 4906 } 4907 } 4908 } 4909 4910 synchronized (this) { 4911 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4912 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4913 admin.permittedInputMethods = packageList; 4914 saveSettingsLocked(UserHandle.getCallingUserId()); 4915 } 4916 return true; 4917 } 4918 4919 @Override 4920 public List getPermittedInputMethods(ComponentName who) { 4921 if (!mHasFeature) { 4922 return null; 4923 } 4924 Preconditions.checkNotNull(who, "ComponentName is null"); 4925 4926 synchronized (this) { 4927 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4928 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4929 return admin.permittedInputMethods; 4930 } 4931 } 4932 4933 @Override 4934 public List getPermittedInputMethodsForCurrentUser() { 4935 UserInfo currentUser; 4936 try { 4937 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 4938 } catch (RemoteException e) { 4939 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 4940 // Activity managed is dead, just allow all IMEs 4941 return null; 4942 } 4943 4944 int userId = currentUser.id; 4945 synchronized (this) { 4946 List<String> result = null; 4947 // If we have multiple profiles we return the intersection of the 4948 // permitted lists. This can happen in cases where we have a device 4949 // and profile owner. 4950 List<UserInfo> profiles = mUserManager.getProfiles(userId); 4951 final int PROFILES_SIZE = profiles.size(); 4952 for (int i = 0; i < PROFILES_SIZE; ++i) { 4953 // Just loop though all admins, only device or profiles 4954 // owners can have permitted lists set. 4955 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 4956 final int N = policy.mAdminList.size(); 4957 for (int j = 0; j < N; j++) { 4958 ActiveAdmin admin = policy.mAdminList.get(j); 4959 List<String> fromAdmin = admin.permittedInputMethods; 4960 if (fromAdmin != null) { 4961 if (result == null) { 4962 result = new ArrayList<String>(fromAdmin); 4963 } else { 4964 result.retainAll(fromAdmin); 4965 } 4966 } 4967 } 4968 } 4969 4970 // If we have a permitted list add all system input methods. 4971 if (result != null) { 4972 InputMethodManager inputMethodManager = (InputMethodManager) mContext 4973 .getSystemService(Context.INPUT_METHOD_SERVICE); 4974 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 4975 long id = Binder.clearCallingIdentity(); 4976 try { 4977 IPackageManager pm = AppGlobals.getPackageManager(); 4978 if (imes != null) { 4979 for (InputMethodInfo ime : imes) { 4980 ServiceInfo serviceInfo = ime.getServiceInfo(); 4981 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 4982 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 4983 result.add(serviceInfo.packageName); 4984 } 4985 } 4986 } 4987 } finally { 4988 restoreCallingIdentity(id); 4989 } 4990 } 4991 return result; 4992 } 4993 } 4994 4995 @Override 4996 public UserHandle createUser(ComponentName who, String name) { 4997 Preconditions.checkNotNull(who, "ComponentName is null"); 4998 synchronized (this) { 4999 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5000 5001 long id = Binder.clearCallingIdentity(); 5002 try { 5003 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 5004 if (userInfo != null) { 5005 return userInfo.getUserHandle(); 5006 } 5007 return null; 5008 } finally { 5009 restoreCallingIdentity(id); 5010 } 5011 } 5012 } 5013 5014 @Override 5015 public UserHandle createAndInitializeUser(ComponentName who, String name, 5016 String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { 5017 UserHandle user = createUser(who, name); 5018 if (user == null) { 5019 return null; 5020 } 5021 long id = Binder.clearCallingIdentity(); 5022 try { 5023 String profileOwnerPkg = profileOwnerComponent.getPackageName(); 5024 final IPackageManager ipm = AppGlobals.getPackageManager(); 5025 IActivityManager activityManager = ActivityManagerNative.getDefault(); 5026 5027 try { 5028 // Install the profile owner if not present. 5029 if (!ipm.isPackageAvailable(profileOwnerPkg, user.getIdentifier())) { 5030 ipm.installExistingPackageAsUser(profileOwnerPkg, user.getIdentifier()); 5031 } 5032 5033 // Start user in background. 5034 activityManager.startUserInBackground(user.getIdentifier()); 5035 } catch (RemoteException e) { 5036 Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); 5037 } 5038 5039 setActiveAdmin(profileOwnerComponent, true, user.getIdentifier(), adminExtras); 5040 setProfileOwner(profileOwnerComponent, ownerName, user.getIdentifier()); 5041 return user; 5042 } finally { 5043 restoreCallingIdentity(id); 5044 } 5045 } 5046 5047 @Override 5048 public boolean removeUser(ComponentName who, UserHandle userHandle) { 5049 Preconditions.checkNotNull(who, "ComponentName is null"); 5050 synchronized (this) { 5051 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5052 5053 long id = Binder.clearCallingIdentity(); 5054 try { 5055 return mUserManager.removeUser(userHandle.getIdentifier()); 5056 } finally { 5057 restoreCallingIdentity(id); 5058 } 5059 } 5060 } 5061 5062 @Override 5063 public boolean switchUser(ComponentName who, UserHandle userHandle) { 5064 Preconditions.checkNotNull(who, "ComponentName is null"); 5065 synchronized (this) { 5066 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5067 5068 long id = Binder.clearCallingIdentity(); 5069 try { 5070 int userId = UserHandle.USER_OWNER; 5071 if (userHandle != null) { 5072 userId = userHandle.getIdentifier(); 5073 } 5074 return ActivityManagerNative.getDefault().switchUser(userId); 5075 } catch (RemoteException e) { 5076 Log.e(LOG_TAG, "Couldn't switch user", e); 5077 return false; 5078 } finally { 5079 restoreCallingIdentity(id); 5080 } 5081 } 5082 } 5083 5084 @Override 5085 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 5086 Preconditions.checkNotNull(who, "ComponentName is null"); 5087 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 5088 5089 synchronized (this) { 5090 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5091 5092 long id = Binder.clearCallingIdentity(); 5093 try { 5094 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 5095 // if no restrictions were saved, mUserManager.getApplicationRestrictions 5096 // returns null, but DPM method should return an empty Bundle as per JavaDoc 5097 return bundle != null ? bundle : Bundle.EMPTY; 5098 } finally { 5099 restoreCallingIdentity(id); 5100 } 5101 } 5102 } 5103 5104 @Override 5105 public void setUserRestriction(ComponentName who, String key, boolean enabled) { 5106 Preconditions.checkNotNull(who, "ComponentName is null"); 5107 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 5108 final int userHandle = user.getIdentifier(); 5109 synchronized (this) { 5110 ActiveAdmin activeAdmin = 5111 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5112 boolean isDeviceOwner = isDeviceOwner(activeAdmin.info.getPackageName()); 5113 if (!isDeviceOwner && userHandle != UserHandle.USER_OWNER 5114 && DEVICE_OWNER_USER_RESTRICTIONS.contains(key)) { 5115 throw new SecurityException("Profile owners cannot set user restriction " + key); 5116 } 5117 if (IMMUTABLE_USER_RESTRICTIONS.contains(key)) { 5118 throw new SecurityException("User restriction " + key + " cannot be changed"); 5119 } 5120 boolean alreadyRestricted = mUserManager.hasUserRestriction(key, user); 5121 5122 IAudioService iAudioService = null; 5123 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key) 5124 || UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5125 iAudioService = IAudioService.Stub.asInterface( 5126 ServiceManager.getService(Context.AUDIO_SERVICE)); 5127 } 5128 5129 if (enabled && !alreadyRestricted) { 5130 try { 5131 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 5132 iAudioService.setMicrophoneMute(true, who.getPackageName()); 5133 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5134 iAudioService.setMasterMute(true, 0, who.getPackageName()); 5135 } 5136 } catch (RemoteException re) { 5137 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 5138 } 5139 } 5140 long id = Binder.clearCallingIdentity(); 5141 try { 5142 if (enabled && !alreadyRestricted) { 5143 if (UserManager.DISALLOW_CONFIG_WIFI.equals(key)) { 5144 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5145 Settings.Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0, 5146 userHandle); 5147 } else if (UserManager.DISALLOW_USB_FILE_TRANSFER.equals(key)) { 5148 UsbManager manager = 5149 (UsbManager) mContext.getSystemService(Context.USB_SERVICE); 5150 manager.setCurrentFunction("none", false); 5151 } else if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 5152 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5153 Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF, 5154 userHandle); 5155 Settings.Secure.putStringForUser(mContext.getContentResolver(), 5156 Settings.Secure.LOCATION_PROVIDERS_ALLOWED, "", 5157 userHandle); 5158 } else if (UserManager.DISALLOW_DEBUGGING_FEATURES.equals(key)) { 5159 // Only disable adb if changing for primary user, since it is global 5160 if (userHandle == UserHandle.USER_OWNER) { 5161 Settings.Global.putStringForUser(mContext.getContentResolver(), 5162 Settings.Global.ADB_ENABLED, "0", userHandle); 5163 } 5164 } else if (UserManager.ENSURE_VERIFY_APPS.equals(key)) { 5165 Settings.Global.putStringForUser(mContext.getContentResolver(), 5166 Settings.Global.PACKAGE_VERIFIER_ENABLE, "1", 5167 userHandle); 5168 Settings.Global.putStringForUser(mContext.getContentResolver(), 5169 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, "1", 5170 userHandle); 5171 } else if (UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES.equals(key)) { 5172 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5173 Settings.Secure.INSTALL_NON_MARKET_APPS, 0, 5174 userHandle); 5175 } 5176 } 5177 mUserManager.setUserRestriction(key, enabled, user); 5178 if (enabled != alreadyRestricted) { 5179 if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 5180 // Send out notifications however as some clients may want to reread the 5181 // value which actually changed due to a restriction having been applied. 5182 final String property = Settings.Secure.SYS_PROP_SETTING_VERSION; 5183 long version = SystemProperties.getLong(property, 0) + 1; 5184 SystemProperties.set(property, Long.toString(version)); 5185 5186 final String name = Settings.Secure.LOCATION_PROVIDERS_ALLOWED; 5187 Uri url = Uri.withAppendedPath(Settings.Secure.CONTENT_URI, name); 5188 mContext.getContentResolver().notifyChange(url, null, true, userHandle); 5189 } 5190 } 5191 } finally { 5192 restoreCallingIdentity(id); 5193 } 5194 if (!enabled && alreadyRestricted) { 5195 try { 5196 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 5197 iAudioService.setMicrophoneMute(false, who.getPackageName()); 5198 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5199 iAudioService.setMasterMute(false, 0, who.getPackageName()); 5200 } 5201 } catch (RemoteException re) { 5202 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 5203 } 5204 } 5205 sendChangedNotification(userHandle); 5206 } 5207 } 5208 5209 @Override 5210 public boolean setApplicationHidden(ComponentName who, String packageName, 5211 boolean hidden) { 5212 Preconditions.checkNotNull(who, "ComponentName is null"); 5213 int callingUserId = UserHandle.getCallingUserId(); 5214 synchronized (this) { 5215 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5216 5217 long id = Binder.clearCallingIdentity(); 5218 try { 5219 IPackageManager pm = AppGlobals.getPackageManager(); 5220 return pm.setApplicationHiddenSettingAsUser(packageName, hidden, callingUserId); 5221 } catch (RemoteException re) { 5222 // shouldn't happen 5223 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 5224 } finally { 5225 restoreCallingIdentity(id); 5226 } 5227 return false; 5228 } 5229 } 5230 5231 @Override 5232 public boolean isApplicationHidden(ComponentName who, String packageName) { 5233 Preconditions.checkNotNull(who, "ComponentName is null"); 5234 int callingUserId = UserHandle.getCallingUserId(); 5235 synchronized (this) { 5236 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5237 5238 long id = Binder.clearCallingIdentity(); 5239 try { 5240 IPackageManager pm = AppGlobals.getPackageManager(); 5241 return pm.getApplicationHiddenSettingAsUser(packageName, callingUserId); 5242 } catch (RemoteException re) { 5243 // shouldn't happen 5244 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 5245 } finally { 5246 restoreCallingIdentity(id); 5247 } 5248 return false; 5249 } 5250 } 5251 5252 @Override 5253 public void enableSystemApp(ComponentName who, String packageName) { 5254 Preconditions.checkNotNull(who, "ComponentName is null"); 5255 synchronized (this) { 5256 // This API can only be called by an active device admin, 5257 // so try to retrieve it to check that the caller is one. 5258 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5259 5260 int userId = UserHandle.getCallingUserId(); 5261 long id = Binder.clearCallingIdentity(); 5262 5263 try { 5264 if (DBG) { 5265 Slog.v(LOG_TAG, "installing " + packageName + " for " 5266 + userId); 5267 } 5268 5269 UserManager um = UserManager.get(mContext); 5270 UserInfo primaryUser = um.getProfileParent(userId); 5271 5272 // Call did not come from a managed profile 5273 if (primaryUser == null) { 5274 primaryUser = um.getUserInfo(userId); 5275 } 5276 5277 IPackageManager pm = AppGlobals.getPackageManager(); 5278 if (!isSystemApp(pm, packageName, primaryUser.id)) { 5279 throw new IllegalArgumentException("Only system apps can be enabled this way."); 5280 } 5281 5282 // Install the app. 5283 pm.installExistingPackageAsUser(packageName, userId); 5284 5285 } catch (RemoteException re) { 5286 // shouldn't happen 5287 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 5288 } finally { 5289 restoreCallingIdentity(id); 5290 } 5291 } 5292 } 5293 5294 @Override 5295 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 5296 Preconditions.checkNotNull(who, "ComponentName is null"); 5297 synchronized (this) { 5298 // This API can only be called by an active device admin, 5299 // so try to retrieve it to check that the caller is one. 5300 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5301 5302 int userId = UserHandle.getCallingUserId(); 5303 long id = Binder.clearCallingIdentity(); 5304 5305 try { 5306 UserManager um = UserManager.get(mContext); 5307 UserInfo primaryUser = um.getProfileParent(userId); 5308 5309 // Call did not come from a managed profile. 5310 if (primaryUser == null) { 5311 primaryUser = um.getUserInfo(userId); 5312 } 5313 5314 IPackageManager pm = AppGlobals.getPackageManager(); 5315 List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent, 5316 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 5317 0, // no flags 5318 primaryUser.id); 5319 5320 if (DBG) Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 5321 int numberOfAppsInstalled = 0; 5322 if (activitiesToEnable != null) { 5323 for (ResolveInfo info : activitiesToEnable) { 5324 if (info.activityInfo != null) { 5325 String packageName = info.activityInfo.packageName; 5326 if (isSystemApp(pm, packageName, primaryUser.id)) { 5327 numberOfAppsInstalled++; 5328 pm.installExistingPackageAsUser(packageName, userId); 5329 } else { 5330 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 5331 + " system app"); 5332 } 5333 } 5334 } 5335 } 5336 return numberOfAppsInstalled; 5337 } catch (RemoteException e) { 5338 // shouldn't happen 5339 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 5340 return 0; 5341 } finally { 5342 restoreCallingIdentity(id); 5343 } 5344 } 5345 } 5346 5347 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 5348 throws RemoteException { 5349 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 5350 userId); 5351 if (appInfo == null) { 5352 throw new IllegalArgumentException("The application " + packageName + 5353 " is not present on this device"); 5354 } 5355 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 5356 } 5357 5358 @Override 5359 public void setAccountManagementDisabled(ComponentName who, String accountType, 5360 boolean disabled) { 5361 if (!mHasFeature) { 5362 return; 5363 } 5364 Preconditions.checkNotNull(who, "ComponentName is null"); 5365 synchronized (this) { 5366 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5367 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5368 if (disabled) { 5369 ap.accountTypesWithManagementDisabled.add(accountType); 5370 } else { 5371 ap.accountTypesWithManagementDisabled.remove(accountType); 5372 } 5373 saveSettingsLocked(UserHandle.getCallingUserId()); 5374 } 5375 } 5376 5377 @Override 5378 public String[] getAccountTypesWithManagementDisabled() { 5379 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 5380 } 5381 5382 @Override 5383 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 5384 enforceCrossUserPermission(userId); 5385 if (!mHasFeature) { 5386 return null; 5387 } 5388 synchronized (this) { 5389 DevicePolicyData policy = getUserData(userId); 5390 final int N = policy.mAdminList.size(); 5391 HashSet<String> resultSet = new HashSet<String>(); 5392 for (int i = 0; i < N; i++) { 5393 ActiveAdmin admin = policy.mAdminList.get(i); 5394 resultSet.addAll(admin.accountTypesWithManagementDisabled); 5395 } 5396 return resultSet.toArray(new String[resultSet.size()]); 5397 } 5398 } 5399 5400 @Override 5401 public void setUninstallBlocked(ComponentName who, String packageName, 5402 boolean uninstallBlocked) { 5403 Preconditions.checkNotNull(who, "ComponentName is null"); 5404 final int userId = UserHandle.getCallingUserId(); 5405 synchronized (this) { 5406 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5407 5408 long id = Binder.clearCallingIdentity(); 5409 try { 5410 IPackageManager pm = AppGlobals.getPackageManager(); 5411 pm.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 5412 } catch (RemoteException re) { 5413 // Shouldn't happen. 5414 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 5415 } finally { 5416 restoreCallingIdentity(id); 5417 } 5418 } 5419 } 5420 5421 @Override 5422 public boolean isUninstallBlocked(ComponentName who, String packageName) { 5423 // This function should return true if and only if the package is blocked by 5424 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 5425 // when the package is a system app, or when it is an active device admin. 5426 final int userId = UserHandle.getCallingUserId(); 5427 5428 synchronized (this) { 5429 if (who != null) { 5430 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5431 } 5432 5433 long id = Binder.clearCallingIdentity(); 5434 try { 5435 IPackageManager pm = AppGlobals.getPackageManager(); 5436 return pm.getBlockUninstallForUser(packageName, userId); 5437 } catch (RemoteException re) { 5438 // Shouldn't happen. 5439 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 5440 } finally { 5441 restoreCallingIdentity(id); 5442 } 5443 } 5444 return false; 5445 } 5446 5447 @Override 5448 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 5449 if (!mHasFeature) { 5450 return; 5451 } 5452 Preconditions.checkNotNull(who, "ComponentName is null"); 5453 synchronized (this) { 5454 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5455 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5456 if (admin.disableCallerId != disabled) { 5457 admin.disableCallerId = disabled; 5458 saveSettingsLocked(UserHandle.getCallingUserId()); 5459 } 5460 } 5461 } 5462 5463 @Override 5464 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 5465 if (!mHasFeature) { 5466 return false; 5467 } 5468 Preconditions.checkNotNull(who, "ComponentName is null"); 5469 synchronized (this) { 5470 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5471 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5472 return admin.disableCallerId; 5473 } 5474 } 5475 5476 @Override 5477 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 5478 // TODO: Should there be a check to make sure this relationship is within a profile group? 5479 //enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5480 synchronized (this) { 5481 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5482 return (admin != null) ? admin.disableCallerId : false; 5483 } 5484 } 5485 5486 @Override 5487 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 5488 Intent originalIntent) { 5489 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent( 5490 actualLookupKey, actualContactId, originalIntent); 5491 final int callingUserId = UserHandle.getCallingUserId(); 5492 5493 final long ident = Binder.clearCallingIdentity(); 5494 try { 5495 synchronized (this) { 5496 final int managedUserId = getManagedUserId(callingUserId); 5497 if (managedUserId < 0) { 5498 return; 5499 } 5500 if (getCrossProfileCallerIdDisabledForUser(managedUserId)) { 5501 if (VERBOSE_LOG) { 5502 Log.v(LOG_TAG, 5503 "Cross-profile contacts access disabled for user " + managedUserId); 5504 } 5505 return; 5506 } 5507 ContactsInternal.startQuickContactWithErrorToastForUser( 5508 mContext, intent, new UserHandle(managedUserId)); 5509 } 5510 } finally { 5511 Binder.restoreCallingIdentity(ident); 5512 } 5513 } 5514 5515 /** 5516 * @return the user ID of the managed user that is linked to the current user, if any. 5517 * Otherwise -1. 5518 */ 5519 public int getManagedUserId(int callingUserId) { 5520 if (VERBOSE_LOG) { 5521 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 5522 } 5523 5524 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 5525 if (ui.id == callingUserId || !ui.isManagedProfile()) { 5526 continue; // Caller user self, or not a managed profile. Skip. 5527 } 5528 if (VERBOSE_LOG) { 5529 Log.v(LOG_TAG, "Managed user=" + ui.id); 5530 } 5531 return ui.id; 5532 } 5533 if (VERBOSE_LOG) { 5534 Log.v(LOG_TAG, "Managed user not found."); 5535 } 5536 return -1; 5537 } 5538 5539 @Override 5540 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 5541 if (!mHasFeature) { 5542 return; 5543 } 5544 Preconditions.checkNotNull(who, "ComponentName is null"); 5545 synchronized (this) { 5546 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5547 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5548 if (admin.disableBluetoothContactSharing != disabled) { 5549 admin.disableBluetoothContactSharing = disabled; 5550 saveSettingsLocked(UserHandle.getCallingUserId()); 5551 } 5552 } 5553 } 5554 5555 @Override 5556 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 5557 if (!mHasFeature) { 5558 return false; 5559 } 5560 Preconditions.checkNotNull(who, "ComponentName is null"); 5561 synchronized (this) { 5562 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5563 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5564 return admin.disableBluetoothContactSharing; 5565 } 5566 } 5567 5568 @Override 5569 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 5570 // TODO: Should there be a check to make sure this relationship is 5571 // within a profile group? 5572 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5573 synchronized (this) { 5574 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5575 return (admin != null) ? admin.disableBluetoothContactSharing : false; 5576 } 5577 } 5578 5579 /** 5580 * Sets which packages may enter lock task mode. 5581 * 5582 * This function can only be called by the device owner. 5583 * @param packages The list of packages allowed to enter lock task mode. 5584 */ 5585 public void setLockTaskPackages(ComponentName who, String[] packages) throws SecurityException { 5586 Preconditions.checkNotNull(who, "ComponentName is null"); 5587 synchronized (this) { 5588 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5589 5590 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5591 DevicePolicyData policy = getUserData(userHandle); 5592 policy.mLockTaskPackages.clear(); 5593 if (packages != null) { 5594 for (int j = 0; j < packages.length; j++) { 5595 String pkg = packages[j]; 5596 policy.mLockTaskPackages.add(pkg); 5597 } 5598 } 5599 5600 // Store the settings persistently. 5601 saveSettingsLocked(userHandle); 5602 updateLockTaskPackagesLocked(policy, userHandle); 5603 } 5604 } 5605 5606 /** 5607 * This function returns the list of components allowed to start the task lock mode. 5608 */ 5609 public String[] getLockTaskPackages(ComponentName who) { 5610 Preconditions.checkNotNull(who, "ComponentName is null"); 5611 synchronized (this) { 5612 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5613 5614 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5615 DevicePolicyData policy = getUserData(userHandle); 5616 return policy.mLockTaskPackages.toArray(new String[policy.mLockTaskPackages.size()]); 5617 } 5618 } 5619 5620 /** 5621 * This function lets the caller know whether the given package is allowed to start the 5622 * lock task mode. 5623 * @param pkg The package to check 5624 */ 5625 public boolean isLockTaskPermitted(String pkg) { 5626 // Get current user's devicepolicy 5627 int uid = Binder.getCallingUid(); 5628 int userHandle = UserHandle.getUserId(uid); 5629 DevicePolicyData policy = getUserData(userHandle); 5630 synchronized (this) { 5631 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 5632 String lockTaskPackage = policy.mLockTaskPackages.get(i); 5633 5634 // If the given package equals one of the packages stored our list, 5635 // we allow this package to start lock task mode. 5636 if (lockTaskPackage.equals(pkg)) { 5637 return true; 5638 } 5639 } 5640 } 5641 return false; 5642 } 5643 5644 @Override 5645 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 5646 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 5647 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 5648 } 5649 synchronized (this) { 5650 final DevicePolicyData policy = getUserData(userHandle); 5651 Bundle adminExtras = new Bundle(); 5652 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 5653 for (ActiveAdmin admin : policy.mAdminList) { 5654 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 5655 boolean ownsProfile = (getProfileOwner(userHandle) != null 5656 && getProfileOwner(userHandle).equals(admin.info.getPackageName())); 5657 if (ownsDevice || ownsProfile) { 5658 if (isEnabled) { 5659 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 5660 adminExtras, null); 5661 } else { 5662 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 5663 } 5664 } 5665 } 5666 } 5667 } 5668 5669 @Override 5670 public void setGlobalSetting(ComponentName who, String setting, String value) { 5671 final ContentResolver contentResolver = mContext.getContentResolver(); 5672 Preconditions.checkNotNull(who, "ComponentName is null"); 5673 5674 synchronized (this) { 5675 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5676 5677 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 5678 // BLUETOOTH_ON and WIFI_ON used to be supported but not any more. We do not want to 5679 // throw a SecurityException not to break apps. 5680 if (!Settings.Global.BLUETOOTH_ON.equals(setting) 5681 && !Settings.Global.WIFI_ON.equals(setting)) { 5682 throw new SecurityException(String.format( 5683 "Permission denial: device owners cannot update %1$s", setting)); 5684 } 5685 } 5686 5687 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 5688 // ignore if it contradicts an existing policy 5689 long timeMs = getMaximumTimeToLock(who, UserHandle.getCallingUserId()); 5690 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 5691 return; 5692 } 5693 } 5694 5695 long id = Binder.clearCallingIdentity(); 5696 try { 5697 Settings.Global.putString(contentResolver, setting, value); 5698 } finally { 5699 restoreCallingIdentity(id); 5700 } 5701 } 5702 } 5703 5704 @Override 5705 public void setSecureSetting(ComponentName who, String setting, String value) { 5706 Preconditions.checkNotNull(who, "ComponentName is null"); 5707 int callingUserId = UserHandle.getCallingUserId(); 5708 final ContentResolver contentResolver = mContext.getContentResolver(); 5709 5710 synchronized (this) { 5711 ActiveAdmin activeAdmin = 5712 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5713 5714 if (isDeviceOwner(activeAdmin.info.getPackageName())) { 5715 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 5716 throw new SecurityException(String.format( 5717 "Permission denial: Device owners cannot update %1$s", setting)); 5718 } 5719 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 5720 throw new SecurityException(String.format( 5721 "Permission denial: Profile owners cannot update %1$s", setting)); 5722 } 5723 5724 long id = Binder.clearCallingIdentity(); 5725 try { 5726 Settings.Secure.putStringForUser(contentResolver, setting, value, callingUserId); 5727 } finally { 5728 restoreCallingIdentity(id); 5729 } 5730 } 5731 } 5732 5733 @Override 5734 public void setMasterVolumeMuted(ComponentName who, boolean on) { 5735 Preconditions.checkNotNull(who, "ComponentName is null"); 5736 synchronized (this) { 5737 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5738 5739 IAudioService iAudioService = IAudioService.Stub.asInterface( 5740 ServiceManager.getService(Context.AUDIO_SERVICE)); 5741 try { 5742 iAudioService.setMasterMute(on, 0, who.getPackageName()); 5743 } catch (RemoteException re) { 5744 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 5745 } 5746 } 5747 } 5748 5749 @Override 5750 public boolean isMasterVolumeMuted(ComponentName who) { 5751 Preconditions.checkNotNull(who, "ComponentName is null"); 5752 synchronized (this) { 5753 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5754 5755 AudioManager audioManager = 5756 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 5757 return audioManager.isMasterMute(); 5758 } 5759 } 5760 5761 @Override 5762 public void setUserIcon(ComponentName who, Bitmap icon) { 5763 synchronized (this) { 5764 Preconditions.checkNotNull(who, "ComponentName is null"); 5765 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5766 5767 int userId = UserHandle.getCallingUserId(); 5768 long id = Binder.clearCallingIdentity(); 5769 try { 5770 mUserManager.setUserIcon(userId, icon); 5771 } finally { 5772 restoreCallingIdentity(id); 5773 } 5774 } 5775 } 5776 5777 @Override 5778 public void sendDeviceInitializerStatus(int statusCode, String description) { 5779 synchronized (this) { 5780 String packageName = getDeviceInitializer(); 5781 if (packageName == null) { 5782 throw new SecurityException("No device initializers"); 5783 } 5784 UserHandle callingUser = Binder.getCallingUserHandle(); 5785 int deviceInitializerUid = -1; 5786 try { 5787 deviceInitializerUid = mContext.getPackageManager().getPackageUid( 5788 packageName, callingUser.getIdentifier()); 5789 } catch (NameNotFoundException e) { 5790 throw new SecurityException(e); 5791 } 5792 if (Binder.getCallingUid() != deviceInitializerUid) { 5793 throw new SecurityException("Caller must be a device initializer"); 5794 } 5795 long id = Binder.clearCallingIdentity(); 5796 try { 5797 Intent intent = new Intent( 5798 DevicePolicyManager.ACTION_SEND_DEVICE_INITIALIZER_STATUS); 5799 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_INITIALIZER_STATUS_CODE, 5800 statusCode); 5801 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_INITIALIZER_STATUS_DESCRIPTION, 5802 description); 5803 mContext.sendBroadcastAsUser(intent, callingUser, 5804 android.Manifest.permission.RECEIVE_DEVICE_INITIALIZER_STATUS); 5805 } finally { 5806 restoreCallingIdentity(id); 5807 } 5808 } 5809 } 5810 5811 /** 5812 * We need to update the internal state of whether a user has completed setup once. After 5813 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 5814 * as we don't trust any apps that might try to reset it. 5815 * <p> 5816 * Unfortunately, we don't know which user's setup state was changed, so we write all of 5817 * them. 5818 */ 5819 void updateUserSetupComplete() { 5820 List<UserInfo> users = mUserManager.getUsers(true); 5821 ContentResolver resolver = mContext.getContentResolver(); 5822 final int N = users.size(); 5823 for (int i = 0; i < N; i++) { 5824 int userHandle = users.get(i).id; 5825 if (Settings.Secure.getIntForUser(resolver, Settings.Secure.USER_SETUP_COMPLETE, 0, 5826 userHandle) != 0) { 5827 DevicePolicyData policy = getUserData(userHandle); 5828 if (!policy.mUserSetupComplete) { 5829 policy.mUserSetupComplete = true; 5830 synchronized (this) { 5831 saveSettingsLocked(userHandle); 5832 } 5833 } 5834 } 5835 } 5836 } 5837 5838 private class SetupContentObserver extends ContentObserver { 5839 5840 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 5841 Settings.Secure.USER_SETUP_COMPLETE); 5842 5843 public SetupContentObserver(Handler handler) { 5844 super(handler); 5845 } 5846 5847 void register(ContentResolver resolver) { 5848 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 5849 } 5850 5851 @Override 5852 public void onChange(boolean selfChange, Uri uri) { 5853 if (mUserSetupComplete.equals(uri)) { 5854 updateUserSetupComplete(); 5855 } 5856 } 5857 } 5858 5859 private final class LocalService extends DevicePolicyManagerInternal { 5860 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 5861 5862 @Override 5863 public List<String> getCrossProfileWidgetProviders(int profileId) { 5864 synchronized (DevicePolicyManagerService.this) { 5865 if (mDeviceOwner == null) { 5866 return Collections.emptyList(); 5867 } 5868 ComponentName ownerComponent = mDeviceOwner.getProfileOwnerComponent(profileId); 5869 if (ownerComponent == null) { 5870 return Collections.emptyList(); 5871 } 5872 5873 DevicePolicyData policy = getUserDataUnchecked(profileId); 5874 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 5875 5876 if (admin == null || admin.crossProfileWidgetProviders == null 5877 || admin.crossProfileWidgetProviders.isEmpty()) { 5878 return Collections.emptyList(); 5879 } 5880 5881 return admin.crossProfileWidgetProviders; 5882 } 5883 } 5884 5885 @Override 5886 public void addOnCrossProfileWidgetProvidersChangeListener( 5887 OnCrossProfileWidgetProvidersChangeListener listener) { 5888 synchronized (DevicePolicyManagerService.this) { 5889 if (mWidgetProviderListeners == null) { 5890 mWidgetProviderListeners = new ArrayList<>(); 5891 } 5892 if (!mWidgetProviderListeners.contains(listener)) { 5893 mWidgetProviderListeners.add(listener); 5894 } 5895 } 5896 } 5897 5898 @Override 5899 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 5900 final int userId = UserHandle.getUserId(uid); 5901 synchronized(DevicePolicyManagerService.this) { 5902 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 5903 } 5904 } 5905 5906 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 5907 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 5908 synchronized (DevicePolicyManagerService.this) { 5909 listeners = new ArrayList<>(mWidgetProviderListeners); 5910 } 5911 final int listenerCount = listeners.size(); 5912 for (int i = 0; i < listenerCount; i++) { 5913 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 5914 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 5915 } 5916 } 5917 } 5918 5919 /** 5920 * Returns true if specified admin is allowed to limit passwords and has a 5921 * {@code passwordQuality} of at least {@code minPasswordQuality} 5922 */ 5923 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 5924 if (admin.passwordQuality < minPasswordQuality) { 5925 return false; 5926 } 5927 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 5928 } 5929} 5930